diff options
Diffstat (limited to 'drivers/hwmon')
84 files changed, 7820 insertions, 3640 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 700e93a..9be8e17 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -170,6 +170,16 @@ config SENSORS_ADM9240 This driver can also be built as a module. If so, the module will be called adm9240. +config SENSORS_ADT7411 + tristate "Analog Devices ADT7411" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Analog Devices + ADT7411 voltage and temperature monitoring chip. + + This driver can also be built as a module. If so, the module + will be called adt7411. + config SENSORS_ADT7462 tristate "Analog Devices ADT7462" depends on I2C && EXPERIMENTAL @@ -190,26 +200,31 @@ config SENSORS_ADT7470 This driver can also be built as a module. If so, the module will be called adt7470. -config SENSORS_ADT7473 - tristate "Analog Devices ADT7473" - depends on I2C && EXPERIMENTAL - help - If you say yes here you get support for the Analog Devices - ADT7473 temperature monitoring chips. - - This driver can also be built as a module. If so, the module - will be called adt7473. - config SENSORS_ADT7475 - tristate "Analog Devices ADT7475" + tristate "Analog Devices ADT7473, ADT7475, ADT7476 and ADT7490" depends on I2C && EXPERIMENTAL + select HWMON_VID help If you say yes here you get support for the Analog Devices - ADT7475 hardware monitoring chips. + ADT7473, ADT7475, ADT7476 and ADT7490 hardware monitoring + chips. This driver can also be build as a module. If so, the module will be called adt7475. +config SENSORS_ASC7621 + tristate "Andigilog aSC7621" + depends on HWMON && I2C + help + If you say yes here you get support for the aSC7621 + family of SMBus sensors chip found on most Intel X38, X48, X58, + 945, 965 and 975 desktop boards. Currently supported chips: + aSC7621 + aSC7621a + + This driver can also be built as a module. If so, the module + will be called asc7621. + config SENSORS_K8TEMP tristate "AMD Athlon64/FX or Opteron temperature sensor" depends on X86 && PCI && EXPERIMENTAL @@ -222,6 +237,18 @@ config SENSORS_K8TEMP This driver can also be built as a module. If so, the module will be called k8temp. +config SENSORS_K10TEMP + tristate "AMD Phenom/Sempron/Turion/Opteron temperature sensor" + depends on X86 && PCI + help + If you say yes here you get support for the temperature + sensor(s) inside your CPU. Supported are later revisions of + the AMD Family 10h and all revisions of the AMD Family 11h + microarchitectures. + + This driver can also be built as a module. If so, the module + will be called k10temp. + config SENSORS_AMS tristate "Apple Motion Sensor driver" depends on PPC_PMAC && !PPC64 && INPUT && ((ADB_PMU && I2C = y) || (ADB_PMU && !I2C) || I2C) && EXPERIMENTAL @@ -305,12 +332,12 @@ config SENSORS_F71805F will be called f71805f. config SENSORS_F71882FG - tristate "Fintek F71858FG, F71862FG, F71882FG and F8000" + tristate "Fintek F71858FG, F71862FG, F71882FG, F71889FG and F8000" depends on EXPERIMENTAL help If you say yes here you get support for hardware monitoring - features of the Fintek F71858FG, F71862FG/71863FG, F71882FG/F71883FG - and F8000 Super-I/O chips. + features of the Fintek F71858FG, F71862FG/71863FG, F71882FG/F71883FG, + F71889FG and F8000 Super-I/O chips. This driver can also be built as a module. If so, the module will be called f71882fg. @@ -374,7 +401,7 @@ config SENSORS_GL520SM config SENSORS_CORETEMP tristate "Intel Core/Core2/Atom temperature sensor" - depends on X86 && EXPERIMENTAL + depends on X86 && PCI && EXPERIMENTAL help If you say yes here you get support for the temperature sensor inside your CPU. Most of the family 6 CPUs @@ -442,6 +469,15 @@ config SENSORS_LM70 This driver can also be built as a module. If so, the module will be called lm70. +config SENSORS_LM73 + tristate "National Semiconductor LM73" + depends on I2C + help + If you say yes here you get support for National Semiconductor LM73 + sensor chips. + This driver can also be built as a module. If so, the module + will be called lm73. + config SENSORS_LM75 tristate "National Semiconductor LM75 and compatibles" depends on I2C @@ -536,9 +572,10 @@ config SENSORS_LM90 depends on I2C help If you say yes here you get support for National Semiconductor LM90, - LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim + LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659, - MAX6680, MAX6681 and MAX6692 sensor chips. + MAX6680, MAX6681 and MAX6692, and Winbond/Nuvoton W83L771AWG/ASG + sensor chips. This driver can also be built as a module. If so, the module will be called lm90. @@ -765,6 +802,16 @@ config SENSORS_ADS7828 This driver can also be built as a module. If so, the module will be called ads7828. +config SENSORS_AMC6821 + tristate "Texas Instruments AMC6821" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Texas Instruments + AMC6821 hardware monitoring chips. + + This driver can also be build as a module. If so, the module + will be called amc6821. + config SENSORS_THMC50 tristate "Texas Instruments THMC50 / Analog Devices ADM1022" depends on I2C && EXPERIMENTAL @@ -795,6 +842,14 @@ config SENSORS_TMP421 This driver can also be built as a module. If so, the module will be called tmp421. +config SENSORS_VIA_CPUTEMP + tristate "VIA CPU temperature sensor" + depends on X86 + help + If you say yes here you get support for the temperature + sensor inside your CPU. Supported are all known variants of + the VIA C7 and Nano. + config SENSORS_VIA686A tristate "VIA686A" depends on PCI @@ -841,7 +896,7 @@ config SENSORS_W83781D config SENSORS_W83791D tristate "Winbond W83791D" - depends on I2C && EXPERIMENTAL + depends on I2C select HWMON_VID help If you say yes here you get support for the Winbond W83791D chip. @@ -864,7 +919,8 @@ config SENSORS_W83793 select HWMON_VID help If you say yes here you get support for the Winbond W83793 - hardware monitoring chip. + hardware monitoring chip, including support for the integrated + watchdog. This driver can also be built as a module. If so, the module will be called w83793. @@ -983,6 +1039,23 @@ config SENSORS_LIS3_SPI will be called lis3lv02d and a specific module for the SPI transport is called lis3lv02d_spi. +config SENSORS_LIS3_I2C + tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (I2C)" + depends on I2C && INPUT + select INPUT_POLLDEV + default n + help + This driver provides support for the LIS3LV02Dx accelerometer connected + via I2C. The accelerometer data is readable via + /sys/devices/platform/lis3lv02d. + + This driver also provides an absolute input class device, allowing + the device to act as a pinball machine-esque joystick. + + This driver can also be built as modules. If so, the core module + will be called lis3lv02d and a specific module for the I2C transport + is called lis3lv02d_i2c. + config SENSORS_APPLESMC tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" depends on INPUT && X86 @@ -1008,6 +1081,12 @@ config SENSORS_APPLESMC Say Y here if you have an applicable laptop and want to experience the awesome power of applesmc. +config SENSORS_MC13783_ADC + tristate "Freescale MC13783 ADC" + depends on MFD_MC13783 + help + Support for the A/D converter on MC13783 PMIC. + if ACPI comment "ACPI drivers" @@ -1025,25 +1104,27 @@ config SENSORS_ATK0110 will be called asus_atk0110. config SENSORS_LIS3LV02D - tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer" + tristate "STMicroeletronics LIS3* three-axis digital accelerometer" depends on INPUT select INPUT_POLLDEV select NEW_LEDS select LEDS_CLASS default n help - This driver provides support for the LIS3LV02Dx accelerometer. In - particular, it can be found in a number of HP laptops, which have the - "Mobile Data Protection System 3D" or "3D DriveGuard" feature. On such - systems the driver should load automatically (via ACPI). The - accelerometer might also be found in other systems, connected via SPI - or I2C. The accelerometer data is readable via - /sys/devices/platform/lis3lv02d. + This driver provides support for the LIS3* accelerometers, such as the + LIS3LV02DL or the LIS331DL. In particular, it can be found in a number + of HP laptops, which have the "Mobile Data Protection System 3D" or + "3D DriveGuard" feature. On such systems the driver should load + automatically (via ACPI alias). The accelerometer might also be found + in other systems, connected via SPI or I2C. The accelerometer data is + readable via /sys/devices/platform/lis3lv02d. This driver also provides an absolute input class device, allowing - the laptop to act as a pinball machine-esque joystick. On HP laptops, + a laptop to act as a pinball machine-esque joystick. It provides also + a misc device which can be used to detect free-fall. On HP laptops, if the led infrastructure is activated, support for a led indicating - disk protection will be provided as hp:red:hddprotection. + disk protection will be provided as hp::hddprotect. For more + information on the feature, refer to Documentation/hwmon/lis3lv02d. This driver can also be built as modules. If so, the core module will be called lis3lv02d and a specific module for HP laptops will be diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 9f46cb0..4aa1a3d 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -29,12 +29,13 @@ obj-$(CONFIG_SENSORS_ADM1029) += adm1029.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o obj-$(CONFIG_SENSORS_ADS7828) += ads7828.o +obj-$(CONFIG_SENSORS_ADT7411) += adt7411.o obj-$(CONFIG_SENSORS_ADT7462) += adt7462.o obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o -obj-$(CONFIG_SENSORS_ADT7473) += adt7473.o obj-$(CONFIG_SENSORS_ADT7475) += adt7475.o obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o obj-$(CONFIG_SENSORS_AMS) += ams/ +obj-$(CONFIG_SENSORS_ASC7621) += asc7621.o obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o obj-$(CONFIG_SENSORS_CORETEMP) += coretemp.o obj-$(CONFIG_SENSORS_DME1737) += dme1737.o @@ -53,10 +54,13 @@ obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o +obj-$(CONFIG_SENSORS_K10TEMP) += k10temp.o obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o hp_accel.o obj-$(CONFIG_SENSORS_LIS3_SPI) += lis3lv02d.o lis3lv02d_spi.o +obj-$(CONFIG_SENSORS_LIS3_I2C) += lis3lv02d.o lis3lv02d_i2c.o obj-$(CONFIG_SENSORS_LM63) += lm63.o obj-$(CONFIG_SENSORS_LM70) += lm70.o +obj-$(CONFIG_SENSORS_LM73) += lm73.o obj-$(CONFIG_SENSORS_LM75) += lm75.o obj-$(CONFIG_SENSORS_LM77) += lm77.o obj-$(CONFIG_SENSORS_LM78) += lm78.o @@ -73,6 +77,7 @@ obj-$(CONFIG_SENSORS_LTC4245) += ltc4245.o obj-$(CONFIG_SENSORS_MAX1111) += max1111.o obj-$(CONFIG_SENSORS_MAX1619) += max1619.o obj-$(CONFIG_SENSORS_MAX6650) += max6650.o +obj-$(CONFIG_SENSORS_MC13783_ADC)+= mc13783-adc.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o obj-$(CONFIG_SENSORS_PC87427) += pc87427.o obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o @@ -82,9 +87,11 @@ obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o obj-$(CONFIG_SENSORS_SMSC47M192)+= smsc47m192.o +obj-$(CONFIG_SENSORS_AMC6821) += amc6821.o obj-$(CONFIG_SENSORS_THMC50) += thmc50.o obj-$(CONFIG_SENSORS_TMP401) += tmp401.o obj-$(CONFIG_SENSORS_TMP421) += tmp421.o +obj-$(CONFIG_SENSORS_VIA_CPUTEMP)+= via-cputemp.o obj-$(CONFIG_SENSORS_VIA686A) += via686a.o obj-$(CONFIG_SENSORS_VT1211) += vt1211.o obj-$(CONFIG_SENSORS_VT8231) += vt8231.o diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c index bfda8c8..1e4c21f 100644 --- a/drivers/hwmon/ad7414.c +++ b/drivers/hwmon/ad7414.c @@ -27,6 +27,7 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> +#include <linux/slab.h> /* AD7414 registers */ diff --git a/drivers/hwmon/ad7418.c b/drivers/hwmon/ad7418.c index f97b5b3..ffc781f 100644 --- a/drivers/hwmon/ad7418.c +++ b/drivers/hwmon/ad7418.c @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/delay.h> +#include <linux/slab.h> #include "lm75.h" diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c index 5e9e095..fbdc765 100644 --- a/drivers/hwmon/adcxx.c +++ b/drivers/hwmon/adcxx.c @@ -37,6 +37,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/device.h> #include <linux/err.h> #include <linux/sysfs.h> @@ -62,18 +63,23 @@ static ssize_t adcxx_read(struct device *dev, struct spi_device *spi = to_spi_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct adcxx *adc = dev_get_drvdata(&spi->dev); - u8 tx_buf[2] = { attr->index << 3 }; /* other bits are don't care */ + u8 tx_buf[2]; u8 rx_buf[2]; int status; - int value; + u32 value; if (mutex_lock_interruptible(&adc->lock)) return -ERESTARTSYS; - status = spi_write_then_read(spi, tx_buf, sizeof(tx_buf), - rx_buf, sizeof(rx_buf)); + if (adc->channels == 1) { + status = spi_read(spi, rx_buf, sizeof(rx_buf)); + } else { + tx_buf[0] = attr->index << 3; /* other bits are don't care */ + status = spi_write_then_read(spi, tx_buf, sizeof(tx_buf), + rx_buf, sizeof(rx_buf)); + } if (status < 0) { - dev_warn(dev, "spi_write_then_read failed with status %d\n", + dev_warn(dev, "SPI synch. transfer failed with status %d\n", status); goto out; } diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index afc5943..1ad0a88 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -34,9 +34,8 @@ static const unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, - mc1066); +enum chips { + adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, mc1066 }; /* adm1021 constants specified below */ @@ -97,7 +96,7 @@ struct adm1021_data { static int adm1021_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm1021_detect(struct i2c_client *client, int kind, +static int adm1021_detect(struct i2c_client *client, struct i2c_board_info *info); static void adm1021_init_client(struct i2c_client *client); static int adm1021_remove(struct i2c_client *client); @@ -130,7 +129,7 @@ static struct i2c_driver adm1021_driver = { .remove = adm1021_remove, .id_table = adm1021_id, .detect = adm1021_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static ssize_t show_temp(struct device *dev, @@ -284,13 +283,12 @@ static const struct attribute_group adm1021_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm1021_detect(struct i2c_client *client, int kind, +static int adm1021_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - int i; - const char *type_name = ""; - int conv_rate, status, config; + const char *type_name; + int conv_rate, status, config, man_id, dev_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { pr_debug("adm1021: detect failed, " @@ -303,62 +301,37 @@ static int adm1021_detect(struct i2c_client *client, int kind, ADM1021_REG_CONV_RATE_R); config = i2c_smbus_read_byte_data(client, ADM1021_REG_CONFIG_R); - /* Now, we do the remaining detection. */ - if (kind < 0) { - if ((status & 0x03) != 0x00 || (config & 0x3F) != 0x00 - || (conv_rate & 0xF8) != 0x00) { - pr_debug("adm1021: detect failed, " - "chip not detected!\n"); - return -ENODEV; - } + /* Check unused bits */ + if ((status & 0x03) || (config & 0x3F) || (conv_rate & 0xF8)) { + pr_debug("adm1021: detect failed, chip not detected!\n"); + return -ENODEV; } /* Determine the chip type. */ - if (kind <= 0) { - i = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID); - if (i == 0x41) - if ((i2c_smbus_read_byte_data(client, - ADM1021_REG_DEV_ID) & 0xF0) == 0x30) - kind = adm1023; - else - kind = adm1021; - else if (i == 0x49) - kind = thmc10; - else if (i == 0x23) - kind = gl523sm; - else if ((i == 0x4d) && - (i2c_smbus_read_byte_data(client, - ADM1021_REG_DEV_ID) == 0x01)) - kind = max1617a; - else if (i == 0x54) - kind = mc1066; - /* LM84 Mfr ID in a different place, and it has more unused bits */ - else if (conv_rate == 0x00 - && (kind == 0 /* skip extra detection */ - || ((config & 0x7F) == 0x00 - && (status & 0xAB) == 0x00))) - kind = lm84; - else - kind = max1617; - } + man_id = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID); + dev_id = i2c_smbus_read_byte_data(client, ADM1021_REG_DEV_ID); - if (kind == max1617) { - type_name = "max1617"; - } else if (kind == max1617a) { + if (man_id == 0x4d && dev_id == 0x01) type_name = "max1617a"; - } else if (kind == adm1021) { - type_name = "adm1021"; - } else if (kind == adm1023) { - type_name = "adm1023"; - } else if (kind == thmc10) { + else if (man_id == 0x41) { + if ((dev_id & 0xF0) == 0x30) + type_name = "adm1023"; + else + type_name = "adm1021"; + } else if (man_id == 0x49) type_name = "thmc10"; - } else if (kind == lm84) { - type_name = "lm84"; - } else if (kind == gl523sm) { + else if (man_id == 0x23) type_name = "gl523sm"; - } else if (kind == mc1066) { + else if (man_id == 0x54) type_name = "mc1066"; - } + /* LM84 Mfr ID in a different place, and it has more unused bits */ + else if (conv_rate == 0x00 + && (config & 0x7F) == 0x00 + && (status & 0xAB) == 0x00) + type_name = "lm84"; + else + type_name = "max1617"; + pr_debug("adm1021: Detected chip %s at adapter %d, address 0x%02x.\n", type_name, i2c_adapter_id(adapter), client->addr); strlcpy(info->type, type_name, I2C_NAME_SIZE); diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 4db04d6..251b631 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -2,7 +2,7 @@ * adm1025.c * * Copyright (C) 2000 Chen-Yuan Wu <gwu@esoft.com> - * Copyright (C) 2003-2008 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2009 Jean Delvare <khali@linux-fr.org> * * The ADM1025 is a sensor chip made by Analog Devices. It reports up to 6 * voltages (including its own power source) and up to two temperatures @@ -64,11 +64,7 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -/* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_2(adm1025, ne1619); +enum chips { adm1025, ne1619 }; /* * The ADM1025 registers @@ -111,7 +107,7 @@ static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 }; static int adm1025_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm1025_detect(struct i2c_client *client, int kind, +static int adm1025_detect(struct i2c_client *client, struct i2c_board_info *info); static void adm1025_init_client(struct i2c_client *client); static int adm1025_remove(struct i2c_client *client); @@ -137,7 +133,7 @@ static struct i2c_driver adm1025_driver = { .remove = adm1025_remove, .id_table = adm1025_id, .detect = adm1025_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -409,71 +405,38 @@ static const struct attribute_group adm1025_group_in4 = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm1025_detect(struct i2c_client *client, int kind, +static int adm1025_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - const char *name = ""; - u8 config; + const char *name; + u8 man_id, chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip. A zero kind means that - * the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG); - if (kind < 0) { /* detection */ - if ((config & 0x80) != 0x00 - || (i2c_smbus_read_byte_data(client, - ADM1025_REG_STATUS1) & 0xC0) != 0x00 - || (i2c_smbus_read_byte_data(client, - ADM1025_REG_STATUS2) & 0xBC) != 0x00) { - dev_dbg(&adapter->dev, - "ADM1025 detection failed at 0x%02x.\n", - client->addr); - return -ENODEV; - } + /* Check for unused bits */ + if ((i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG) & 0x80) + || (i2c_smbus_read_byte_data(client, ADM1025_REG_STATUS1) & 0xC0) + || (i2c_smbus_read_byte_data(client, ADM1025_REG_STATUS2) & 0xBC)) { + dev_dbg(&adapter->dev, "ADM1025 detection failed at 0x%02x\n", + client->addr); + return -ENODEV; } - if (kind <= 0) { /* identification */ - u8 man_id, chip_id; - - man_id = i2c_smbus_read_byte_data(client, ADM1025_REG_MAN_ID); - chip_id = i2c_smbus_read_byte_data(client, ADM1025_REG_CHIP_ID); - - if (man_id == 0x41) { /* Analog Devices */ - if ((chip_id & 0xF0) == 0x20) { /* ADM1025/ADM1025A */ - kind = adm1025; - } - } else - if (man_id == 0xA1) { /* Philips */ - if (client->addr != 0x2E - && (chip_id & 0xF0) == 0x20) { /* NE1619 */ - kind = ne1619; - } - } - - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, - "Unsupported chip (man_id=0x%02X, " - "chip_id=0x%02X).\n", man_id, chip_id); - return -ENODEV; - } - } + /* Identification */ + chip_id = i2c_smbus_read_byte_data(client, ADM1025_REG_CHIP_ID); + if ((chip_id & 0xF0) != 0x20) + return -ENODEV; - if (kind == adm1025) { + man_id = i2c_smbus_read_byte_data(client, ADM1025_REG_MAN_ID); + if (man_id == 0x41) name = "adm1025"; - } else if (kind == ne1619) { + else if (man_id == 0xA1 && client->addr != 0x2E) name = "ne1619"; - } + else + return -ENODEV; + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index ff7de40..65335b2 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -37,9 +37,6 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(adm1026); - static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, @@ -293,7 +290,7 @@ struct adm1026_data { static int adm1026_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm1026_detect(struct i2c_client *client, int kind, +static int adm1026_detect(struct i2c_client *client, struct i2c_board_info *info); static int adm1026_remove(struct i2c_client *client); static int adm1026_read_value(struct i2c_client *client, u8 reg); @@ -305,7 +302,7 @@ static void adm1026_init_client(struct i2c_client *client); static const struct i2c_device_id adm1026_id[] = { - { "adm1026", adm1026 }, + { "adm1026", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, adm1026_id); @@ -319,7 +316,7 @@ static struct i2c_driver adm1026_driver = { .remove = adm1026_remove, .id_table = adm1026_id, .detect = adm1026_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int adm1026_read_value(struct i2c_client *client, u8 reg) @@ -1650,7 +1647,7 @@ static const struct attribute_group adm1026_group_in8_9 = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm1026_detect(struct i2c_client *client, int kind, +static int adm1026_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -1672,35 +1669,26 @@ static int adm1026_detect(struct i2c_client *client, int kind, i2c_adapter_id(client->adapter), client->addr, company, verstep); - /* If auto-detecting, Determine the chip type. */ - if (kind <= 0) { - dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x " - "...\n", i2c_adapter_id(adapter), address); - if (company == ADM1026_COMPANY_ANALOG_DEV - && verstep == ADM1026_VERSTEP_ADM1026) { - kind = adm1026; - } else if (company == ADM1026_COMPANY_ANALOG_DEV - && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { - dev_err(&adapter->dev, "Unrecognized stepping " - "0x%02x. Defaulting to ADM1026.\n", verstep); - kind = adm1026; - } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { - dev_err(&adapter->dev, "Found version/stepping " - "0x%02x. Assuming generic ADM1026.\n", - verstep); - kind = any_chip; - } else { - dev_dbg(&adapter->dev, "Autodetection failed\n"); - /* Not an ADM1026 ... */ - if (kind == 0) { /* User used force=x,y */ - dev_err(&adapter->dev, "Generic ADM1026 not " - "found at %d,0x%02x. Try " - "force_adm1026.\n", - i2c_adapter_id(adapter), address); - } - return -ENODEV; - } + /* Determine the chip type. */ + dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n", + i2c_adapter_id(adapter), address); + if (company == ADM1026_COMPANY_ANALOG_DEV + && verstep == ADM1026_VERSTEP_ADM1026) { + /* Analog Devices ADM1026 */ + } else if (company == ADM1026_COMPANY_ANALOG_DEV + && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { + dev_err(&adapter->dev, "Unrecognized stepping " + "0x%02x. Defaulting to ADM1026.\n", verstep); + } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { + dev_err(&adapter->dev, "Found version/stepping " + "0x%02x. Assuming generic ADM1026.\n", + verstep); + } else { + dev_dbg(&adapter->dev, "Autodetection failed\n"); + /* Not an ADM1026... */ + return -ENODEV; } + strlcpy(info->type, "adm1026", I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c index 3671815..0b8a3b1 100644 --- a/drivers/hwmon/adm1029.c +++ b/drivers/hwmon/adm1029.c @@ -44,12 +44,6 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, }; /* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_1(adm1029); - -/* * The ADM1029 registers * Manufacturer ID is 0x41 for Analog Devices */ @@ -117,7 +111,7 @@ static const u8 ADM1029_REG_FAN_DIV[] = { static int adm1029_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm1029_detect(struct i2c_client *client, int kind, +static int adm1029_detect(struct i2c_client *client, struct i2c_board_info *info); static int adm1029_remove(struct i2c_client *client); static struct adm1029_data *adm1029_update_device(struct device *dev); @@ -128,7 +122,7 @@ static int adm1029_init_client(struct i2c_client *client); */ static const struct i2c_device_id adm1029_id[] = { - { "adm1029", adm1029 }, + { "adm1029", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, adm1029_id); @@ -142,7 +136,7 @@ static struct i2c_driver adm1029_driver = { .remove = adm1029_remove, .id_table = adm1029_id, .detect = adm1029_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -297,63 +291,40 @@ static const struct attribute_group adm1029_group = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm1029_detect(struct i2c_client *client, int kind, +static int adm1029_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + u8 man_id, chip_id, temp_devices_installed, nb_fan_support; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* Now we do the detection and identification. A negative kind - * means that the driver was loaded with no force parameter - * (default), so we must both detect and identify the chip - * (actually there is only one possible kind of chip for now, adm1029). - * A zero kind means that the driver was loaded with the force - * parameter, the detection step shall be skipped. A positive kind - * means that the driver was loaded with the force parameter and a - * given kind of chip is requested, so both the detection and the - * identification steps are skipped. */ - - /* Default to an adm1029 if forced */ - if (kind == 0) - kind = adm1029; - /* ADM1029 doesn't have CHIP ID, check just MAN ID * For better detection we check also ADM1029_TEMP_DEVICES_INSTALLED, * ADM1029_REG_NB_FAN_SUPPORT and compare it with possible values * documented */ - if (kind <= 0) { /* identification */ - u8 man_id, chip_id, temp_devices_installed, nb_fan_support; - - man_id = i2c_smbus_read_byte_data(client, ADM1029_REG_MAN_ID); - chip_id = i2c_smbus_read_byte_data(client, ADM1029_REG_CHIP_ID); - temp_devices_installed = i2c_smbus_read_byte_data(client, + man_id = i2c_smbus_read_byte_data(client, ADM1029_REG_MAN_ID); + chip_id = i2c_smbus_read_byte_data(client, ADM1029_REG_CHIP_ID); + temp_devices_installed = i2c_smbus_read_byte_data(client, ADM1029_REG_TEMP_DEVICES_INSTALLED); - nb_fan_support = i2c_smbus_read_byte_data(client, + nb_fan_support = i2c_smbus_read_byte_data(client, ADM1029_REG_NB_FAN_SUPPORT); - /* 0x41 is Analog Devices */ - if (man_id == 0x41 && (temp_devices_installed & 0xf9) == 0x01 - && nb_fan_support == 0x03) { - if ((chip_id & 0xF0) == 0x00) { - kind = adm1029; - } else { - /* There are no "official" CHIP ID, so actually - * we use Major/Minor revision for that */ - printk(KERN_INFO - "adm1029: Unknown major revision %x, " - "please let us know\n", chip_id); - } - } + /* 0x41 is Analog Devices */ + if (man_id != 0x41 || (temp_devices_installed & 0xf9) != 0x01 + || nb_fan_support != 0x03) + return -ENODEV; - if (kind <= 0) { /* identification failed */ - pr_debug("adm1029: Unsupported chip (man_id=0x%02X, " - "chip_id=0x%02X)\n", man_id, chip_id); - return -ENODEV; - } + if ((chip_id & 0xF0) != 0x00) { + /* There are no "official" CHIP ID, so actually + * we use Major/Minor revision for that */ + pr_info("adm1029: Unknown major revision %x, " + "please let us know\n", chip_id); + return -ENODEV; } + strlcpy(info->type, "adm1029", I2C_NAME_SIZE); return 0; @@ -432,7 +403,7 @@ static int adm1029_remove(struct i2c_client *client) } /* -function that update the status of the chips (temperature for exemple) +function that update the status of the chips (temperature for example) */ static struct adm1029_data *adm1029_update_device(struct device *dev) { diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 5690595..1644b92 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -64,8 +64,7 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_2(adm1030, adm1031); +enum chips { adm1030, adm1031 }; typedef u8 auto_chan_table_t[8][2]; @@ -102,7 +101,7 @@ struct adm1031_data { static int adm1031_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm1031_detect(struct i2c_client *client, int kind, +static int adm1031_detect(struct i2c_client *client, struct i2c_board_info *info); static void adm1031_init_client(struct i2c_client *client); static int adm1031_remove(struct i2c_client *client); @@ -125,7 +124,7 @@ static struct i2c_driver adm1031_driver = { .remove = adm1031_remove, .id_table = adm1031_id, .detect = adm1031_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static inline u8 adm1031_read_value(struct i2c_client *client, u8 reg) @@ -813,35 +812,23 @@ static const struct attribute_group adm1031_group_opt = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm1031_detect(struct i2c_client *client, int kind, +static int adm1031_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - const char *name = ""; + const char *name; + int id, co; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind < 0) { - int id, co; - id = i2c_smbus_read_byte_data(client, 0x3d); - co = i2c_smbus_read_byte_data(client, 0x3e); + id = i2c_smbus_read_byte_data(client, 0x3d); + co = i2c_smbus_read_byte_data(client, 0x3e); - if (!((id == 0x31 || id == 0x30) && co == 0x41)) - return -ENODEV; - kind = (id == 0x30) ? adm1030 : adm1031; - } - - if (kind <= 0) - kind = adm1031; + if (!((id == 0x31 || id == 0x30) && co == 0x41)) + return -ENODEV; + name = (id == 0x30) ? "adm1030" : "adm1031"; - /* Given the detected chip type, set the chip name and the - * auto fan control helper table. */ - if (kind == adm1030) { - name = "adm1030"; - } else if (kind == adm1031) { - name = "adm1031"; - } strlcpy(info->type, name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c index 2444b15..0727ad2 100644 --- a/drivers/hwmon/adm9240.c +++ b/drivers/hwmon/adm9240.c @@ -55,8 +55,7 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_3(adm9240, ds1780, lm81); +enum chips { adm9240, ds1780, lm81 }; /* ADM9240 registers */ #define ADM9240_REG_MAN_ID 0x3e @@ -132,7 +131,7 @@ static inline unsigned int AOUT_FROM_REG(u8 reg) static int adm9240_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adm9240_detect(struct i2c_client *client, int kind, +static int adm9240_detect(struct i2c_client *client, struct i2c_board_info *info); static void adm9240_init_client(struct i2c_client *client); static int adm9240_remove(struct i2c_client *client); @@ -156,7 +155,7 @@ static struct i2c_driver adm9240_driver = { .remove = adm9240_remove, .id_table = adm9240_id, .detect = adm9240_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* per client data */ @@ -545,7 +544,7 @@ static const struct attribute_group adm9240_group = { /*** sensor chip detect and driver install ***/ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adm9240_detect(struct i2c_client *new_client, int kind, +static int adm9240_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; @@ -556,51 +555,34 @@ static int adm9240_detect(struct i2c_client *new_client, int kind, if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind == 0) { - kind = adm9240; - } - - if (kind < 0) { - - /* verify chip: reg address should match i2c address */ - if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR) - != address) { - dev_err(&adapter->dev, "detect fail: address match, " - "0x%02x\n", address); - return -ENODEV; - } - - /* check known chip manufacturer */ - man_id = i2c_smbus_read_byte_data(new_client, - ADM9240_REG_MAN_ID); - if (man_id == 0x23) { - kind = adm9240; - } else if (man_id == 0xda) { - kind = ds1780; - } else if (man_id == 0x01) { - kind = lm81; - } else { - dev_err(&adapter->dev, "detect fail: unknown manuf, " - "0x%02x\n", man_id); - return -ENODEV; - } - - /* successful detect, print chip info */ - die_rev = i2c_smbus_read_byte_data(new_client, - ADM9240_REG_DIE_REV); - dev_info(&adapter->dev, "found %s revision %u\n", - man_id == 0x23 ? "ADM9240" : - man_id == 0xda ? "DS1780" : "LM81", die_rev); + /* verify chip: reg address should match i2c address */ + if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR) + != address) { + dev_err(&adapter->dev, "detect fail: address match, 0x%02x\n", + address); + return -ENODEV; } - /* either forced or detected chip kind */ - if (kind == adm9240) { + /* check known chip manufacturer */ + man_id = i2c_smbus_read_byte_data(new_client, ADM9240_REG_MAN_ID); + if (man_id == 0x23) { name = "adm9240"; - } else if (kind == ds1780) { + } else if (man_id == 0xda) { name = "ds1780"; - } else if (kind == lm81) { + } else if (man_id == 0x01) { name = "lm81"; + } else { + dev_err(&adapter->dev, "detect fail: unknown manuf, 0x%02x\n", + man_id); + return -ENODEV; } + + /* successful detect, print chip info */ + die_rev = i2c_smbus_read_byte_data(new_client, ADM9240_REG_DIE_REV); + dev_info(&adapter->dev, "found %s revision %u\n", + man_id == 0x23 ? "ADM9240" : + man_id == 0xda ? "DS1780" : "LM81", die_rev); + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c index 5c39b4a..aac85f3 100644 --- a/drivers/hwmon/ads7828.c +++ b/drivers/hwmon/ads7828.c @@ -47,10 +47,7 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(ads7828); - -/* Other module parameters */ +/* Module parameters */ static int se_input = 1; /* Default is SE, 0 == diff */ static int int_vref = 1; /* Default is internal ref ON */ static int vref_mv = ADS7828_INT_VREF_MV; /* set if vref != 2.5V */ @@ -72,7 +69,7 @@ struct ads7828_data { }; /* Function declaration - necessary due to function dependencies */ -static int ads7828_detect(struct i2c_client *client, int kind, +static int ads7828_detect(struct i2c_client *client, struct i2c_board_info *info); static int ads7828_probe(struct i2c_client *client, const struct i2c_device_id *id); @@ -168,7 +165,7 @@ static int ads7828_remove(struct i2c_client *client) } static const struct i2c_device_id ads7828_id[] = { - { "ads7828", ads7828 }, + { "ads7828", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, ads7828_id); @@ -183,14 +180,15 @@ static struct i2c_driver ads7828_driver = { .remove = ads7828_remove, .id_table = ads7828_id, .detect = ads7828_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int ads7828_detect(struct i2c_client *client, int kind, +static int ads7828_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int ch; /* Check we have a valid client */ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA)) @@ -202,20 +200,17 @@ static int ads7828_detect(struct i2c_client *client, int kind, - Read from the 8 channel addresses - Check the top 4 bits of each result are not set (12 data bits) */ - if (kind < 0) { - int ch; - for (ch = 0; ch < ADS7828_NCH; ch++) { - u16 in_data; - u8 cmd = channel_cmd_byte(ch); - in_data = ads7828_read_value(client, cmd); - if (in_data & 0xF000) { - printk(KERN_DEBUG - "%s : Doesn't look like an ads7828 device\n", - __func__); - return -ENODEV; - } + for (ch = 0; ch < ADS7828_NCH; ch++) { + u16 in_data; + u8 cmd = channel_cmd_byte(ch); + in_data = ads7828_read_value(client, cmd); + if (in_data & 0xF000) { + pr_debug("%s : Doesn't look like an ads7828 device\n", + __func__); + return -ENODEV; } } + strlcpy(info->type, "ads7828", I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c new file mode 100644 index 0000000..4086c72 --- /dev/null +++ b/drivers/hwmon/adt7411.c @@ -0,0 +1,367 @@ +/* + * Driver for the ADT7411 (I2C/SPI 8 channel 10 bit ADC & temperature-sensor) + * + * Copyright (C) 2008, 2010 Pengutronix + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * TODO: SPI, support for external temperature sensor + * use power-down mode for suspend?, interrupt handling? + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/mutex.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/slab.h> + +#define ADT7411_REG_INT_TEMP_VDD_LSB 0x03 +#define ADT7411_REG_EXT_TEMP_AIN14_LSB 0x04 +#define ADT7411_REG_VDD_MSB 0x06 +#define ADT7411_REG_INT_TEMP_MSB 0x07 +#define ADT7411_REG_EXT_TEMP_AIN1_MSB 0x08 + +#define ADT7411_REG_CFG1 0x18 +#define ADT7411_CFG1_START_MONITOR (1 << 0) + +#define ADT7411_REG_CFG2 0x19 +#define ADT7411_CFG2_DISABLE_AVG (1 << 5) + +#define ADT7411_REG_CFG3 0x1a +#define ADT7411_CFG3_ADC_CLK_225 (1 << 0) +#define ADT7411_CFG3_REF_VDD (1 << 4) + +#define ADT7411_REG_DEVICE_ID 0x4d +#define ADT7411_REG_MANUFACTURER_ID 0x4e + +#define ADT7411_DEVICE_ID 0x2 +#define ADT7411_MANUFACTURER_ID 0x41 + +static const unsigned short normal_i2c[] = { 0x48, 0x4a, 0x4b, I2C_CLIENT_END }; + +struct adt7411_data { + struct mutex device_lock; /* for "atomic" device accesses */ + struct mutex update_lock; + unsigned long next_update; + int vref_cached; + struct device *hwmon_dev; +}; + +/* + * When reading a register containing (up to 4) lsb, all associated + * msb-registers get locked by the hardware. After _one_ of those msb is read, + * _all_ are unlocked. In order to use this locking correctly, reading lsb/msb + * is protected here with a mutex, too. + */ +static int adt7411_read_10_bit(struct i2c_client *client, u8 lsb_reg, + u8 msb_reg, u8 lsb_shift) +{ + struct adt7411_data *data = i2c_get_clientdata(client); + int val, tmp; + + mutex_lock(&data->device_lock); + + val = i2c_smbus_read_byte_data(client, lsb_reg); + if (val < 0) + goto exit_unlock; + + tmp = (val >> lsb_shift) & 3; + val = i2c_smbus_read_byte_data(client, msb_reg); + + if (val >= 0) + val = (val << 2) | tmp; + + exit_unlock: + mutex_unlock(&data->device_lock); + + return val; +} + +static int adt7411_modify_bit(struct i2c_client *client, u8 reg, u8 bit, + bool flag) +{ + struct adt7411_data *data = i2c_get_clientdata(client); + int ret, val; + + mutex_lock(&data->device_lock); + + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) + goto exit_unlock; + + if (flag) + val = ret | bit; + else + val = ret & ~bit; + + ret = i2c_smbus_write_byte_data(client, reg, val); + + exit_unlock: + mutex_unlock(&data->device_lock); + return ret; +} + +static ssize_t adt7411_show_vdd(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + int ret = adt7411_read_10_bit(client, ADT7411_REG_INT_TEMP_VDD_LSB, + ADT7411_REG_VDD_MSB, 2); + + return ret < 0 ? ret : sprintf(buf, "%u\n", ret * 7000 / 1024); +} + +static ssize_t adt7411_show_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + int val = adt7411_read_10_bit(client, ADT7411_REG_INT_TEMP_VDD_LSB, + ADT7411_REG_INT_TEMP_MSB, 0); + + if (val < 0) + return val; + + val = val & 0x200 ? val - 0x400 : val; /* 10 bit signed */ + + return sprintf(buf, "%d\n", val * 250); +} + +static ssize_t adt7411_show_input(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int nr = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adt7411_data *data = i2c_get_clientdata(client); + int val; + u8 lsb_reg, lsb_shift; + + mutex_lock(&data->update_lock); + if (time_after_eq(jiffies, data->next_update)) { + val = i2c_smbus_read_byte_data(client, ADT7411_REG_CFG3); + if (val < 0) + goto exit_unlock; + + if (val & ADT7411_CFG3_REF_VDD) { + val = adt7411_read_10_bit(client, + ADT7411_REG_INT_TEMP_VDD_LSB, + ADT7411_REG_VDD_MSB, 2); + if (val < 0) + goto exit_unlock; + + data->vref_cached = val * 7000 / 1024; + } else { + data->vref_cached = 2250; + } + + data->next_update = jiffies + HZ; + } + + lsb_reg = ADT7411_REG_EXT_TEMP_AIN14_LSB + (nr >> 2); + lsb_shift = 2 * (nr & 0x03); + val = adt7411_read_10_bit(client, lsb_reg, + ADT7411_REG_EXT_TEMP_AIN1_MSB + nr, lsb_shift); + if (val < 0) + goto exit_unlock; + + val = sprintf(buf, "%u\n", val * data->vref_cached / 1024); + exit_unlock: + mutex_unlock(&data->update_lock); + return val; +} + +static ssize_t adt7411_show_bit(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr); + struct i2c_client *client = to_i2c_client(dev); + int ret = i2c_smbus_read_byte_data(client, attr2->index); + + return ret < 0 ? ret : sprintf(buf, "%u\n", !!(ret & attr2->nr)); +} + +static ssize_t adt7411_set_bit(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + struct sensor_device_attribute_2 *s_attr2 = to_sensor_dev_attr_2(attr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7411_data *data = i2c_get_clientdata(client); + int ret; + unsigned long flag; + + ret = strict_strtoul(buf, 0, &flag); + if (ret || flag > 1) + return -EINVAL; + + ret = adt7411_modify_bit(client, s_attr2->index, s_attr2->nr, flag); + + /* force update */ + mutex_lock(&data->update_lock); + data->next_update = jiffies; + mutex_unlock(&data->update_lock); + + return ret < 0 ? ret : count; +} + +#define ADT7411_BIT_ATTR(__name, __reg, __bit) \ + SENSOR_DEVICE_ATTR_2(__name, S_IRUGO | S_IWUSR, adt7411_show_bit, \ + adt7411_set_bit, __bit, __reg) + +static DEVICE_ATTR(temp1_input, S_IRUGO, adt7411_show_temp, NULL); +static DEVICE_ATTR(in0_input, S_IRUGO, adt7411_show_vdd, NULL); +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, adt7411_show_input, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, adt7411_show_input, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, adt7411_show_input, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, adt7411_show_input, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, adt7411_show_input, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, adt7411_show_input, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, adt7411_show_input, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, adt7411_show_input, NULL, 7); +static ADT7411_BIT_ATTR(no_average, ADT7411_REG_CFG2, ADT7411_CFG2_DISABLE_AVG); +static ADT7411_BIT_ATTR(fast_sampling, ADT7411_REG_CFG3, ADT7411_CFG3_ADC_CLK_225); +static ADT7411_BIT_ATTR(adc_ref_vdd, ADT7411_REG_CFG3, ADT7411_CFG3_REF_VDD); + +static struct attribute *adt7411_attrs[] = { + &dev_attr_temp1_input.attr, + &dev_attr_in0_input.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_no_average.dev_attr.attr, + &sensor_dev_attr_fast_sampling.dev_attr.attr, + &sensor_dev_attr_adc_ref_vdd.dev_attr.attr, + NULL +}; + +static const struct attribute_group adt7411_attr_grp = { + .attrs = adt7411_attrs, +}; + +static int adt7411_detect(struct i2c_client *client, + struct i2c_board_info *info) +{ + int val; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + val = i2c_smbus_read_byte_data(client, ADT7411_REG_MANUFACTURER_ID); + if (val < 0 || val != ADT7411_MANUFACTURER_ID) { + dev_dbg(&client->dev, "Wrong manufacturer ID. Got %d, " + "expected %d\n", val, ADT7411_MANUFACTURER_ID); + return -ENODEV; + } + + val = i2c_smbus_read_byte_data(client, ADT7411_REG_DEVICE_ID); + if (val < 0 || val != ADT7411_DEVICE_ID) { + dev_dbg(&client->dev, "Wrong device ID. Got %d, " + "expected %d\n", val, ADT7411_DEVICE_ID); + return -ENODEV; + } + + strlcpy(info->type, "adt7411", I2C_NAME_SIZE); + + return 0; +} + +static int __devinit adt7411_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adt7411_data *data; + int ret; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + i2c_set_clientdata(client, data); + mutex_init(&data->device_lock); + mutex_init(&data->update_lock); + + ret = adt7411_modify_bit(client, ADT7411_REG_CFG1, + ADT7411_CFG1_START_MONITOR, 1); + if (ret < 0) + goto exit_free; + + /* force update on first occasion */ + data->next_update = jiffies; + + ret = sysfs_create_group(&client->dev.kobj, &adt7411_attr_grp); + if (ret) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + ret = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + dev_info(&client->dev, "successfully registered\n"); + + return 0; + + exit_remove: + sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp); + exit_free: + i2c_set_clientdata(client, NULL); + kfree(data); + return ret; +} + +static int __devexit adt7411_remove(struct i2c_client *client) +{ + struct adt7411_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp); + i2c_set_clientdata(client, NULL); + kfree(data); + return 0; +} + +static const struct i2c_device_id adt7411_id[] = { + { "adt7411", 0 }, + { } +}; + +static struct i2c_driver adt7411_driver = { + .driver = { + .name = "adt7411", + }, + .probe = adt7411_probe, + .remove = __devexit_p(adt7411_remove), + .id_table = adt7411_id, + .detect = adt7411_detect, + .address_list = normal_i2c, + .class = I2C_CLASS_HWMON, +}; + +static int __init sensors_adt7411_init(void) +{ + return i2c_add_driver(&adt7411_driver); +} +module_init(sensors_adt7411_init) + +static void __exit sensors_adt7411_exit(void) +{ + i2c_del_driver(&adt7411_driver); +} +module_exit(sensors_adt7411_exit) + +MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de> and " + "Wolfram Sang <w.sang@pengutronix.de>"); +MODULE_DESCRIPTION("ADT7411 driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c index 1852f27..2af0c7b 100644 --- a/drivers/hwmon/adt7462.c +++ b/drivers/hwmon/adt7462.c @@ -28,13 +28,11 @@ #include <linux/mutex.h> #include <linux/delay.h> #include <linux/log2.h> +#include <linux/slab.h> /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(adt7462); - /* ADT7462 registers */ #define ADT7462_REG_DEVICE 0x3D #define ADT7462_REG_VENDOR 0x3E @@ -97,7 +95,7 @@ I2C_CLIENT_INSMOD_1(adt7462); #define ADT7462_PIN24_SHIFT 6 #define ADT7462_PIN26_VOLT_INPUT 0x08 #define ADT7462_PIN25_VOLT_INPUT 0x20 -#define ADT7462_PIN28_SHIFT 6 /* cfg3 */ +#define ADT7462_PIN28_SHIFT 4 /* cfg3 */ #define ADT7462_PIN28_VOLT 0x5 #define ADT7462_REG_ALARM1 0xB8 @@ -182,7 +180,7 @@ I2C_CLIENT_INSMOD_1(adt7462); * * Some, but not all, of these voltages have low/high limits. */ -#define ADT7462_VOLT_COUNT 12 +#define ADT7462_VOLT_COUNT 13 #define ADT7462_VENDOR 0x41 #define ADT7462_DEVICE 0x62 @@ -237,12 +235,12 @@ struct adt7462_data { static int adt7462_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adt7462_detect(struct i2c_client *client, int kind, +static int adt7462_detect(struct i2c_client *client, struct i2c_board_info *info); static int adt7462_remove(struct i2c_client *client); static const struct i2c_device_id adt7462_id[] = { - { "adt7462", adt7462 }, + { "adt7462", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, adt7462_id); @@ -256,7 +254,7 @@ static struct i2c_driver adt7462_driver = { .remove = adt7462_remove, .id_table = adt7462_id, .detect = adt7462_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -1902,31 +1900,26 @@ static struct attribute *adt7462_attr[] = }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adt7462_detect(struct i2c_client *client, int kind, +static int adt7462_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendor, device, revision; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); - if (vendor != ADT7462_VENDOR) - return -ENODEV; + vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); + if (vendor != ADT7462_VENDOR) + return -ENODEV; - device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); - if (device != ADT7462_DEVICE) - return -ENODEV; + device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); + if (device != ADT7462_DEVICE) + return -ENODEV; - revision = i2c_smbus_read_byte_data(client, - ADT7462_REG_REVISION); - if (revision != ADT7462_REVISION) - return -ENODEV; - } else - dev_dbg(&adapter->dev, "detection forced\n"); + revision = i2c_smbus_read_byte_data(client, ADT7462_REG_REVISION); + if (revision != ADT7462_REVISION) + return -ENODEV; strlcpy(info->type, "adt7462", I2C_NAME_SIZE); diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 633e1a1..9e77571 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -29,13 +29,11 @@ #include <linux/delay.h> #include <linux/log2.h> #include <linux/kthread.h> +#include <linux/slab.h> /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2C, 0x2E, 0x2F, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(adt7470); - /* ADT7470 registers */ #define ADT7470_REG_BASE_ADDR 0x20 #define ADT7470_REG_TEMP_BASE_ADDR 0x20 @@ -177,12 +175,12 @@ struct adt7470_data { static int adt7470_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int adt7470_detect(struct i2c_client *client, int kind, +static int adt7470_detect(struct i2c_client *client, struct i2c_board_info *info); static int adt7470_remove(struct i2c_client *client); static const struct i2c_device_id adt7470_id[] = { - { "adt7470", adt7470 }, + { "adt7470", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, adt7470_id); @@ -196,7 +194,7 @@ static struct i2c_driver adt7470_driver = { .remove = adt7470_remove, .id_table = adt7470_id, .detect = adt7470_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -1225,31 +1223,26 @@ static struct attribute *adt7470_attr[] = }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int adt7470_detect(struct i2c_client *client, int kind, +static int adt7470_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendor, device, revision; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_byte_data(client, ADT7470_REG_VENDOR); - if (vendor != ADT7470_VENDOR) - return -ENODEV; + vendor = i2c_smbus_read_byte_data(client, ADT7470_REG_VENDOR); + if (vendor != ADT7470_VENDOR) + return -ENODEV; - device = i2c_smbus_read_byte_data(client, ADT7470_REG_DEVICE); - if (device != ADT7470_DEVICE) - return -ENODEV; + device = i2c_smbus_read_byte_data(client, ADT7470_REG_DEVICE); + if (device != ADT7470_DEVICE) + return -ENODEV; - revision = i2c_smbus_read_byte_data(client, - ADT7470_REG_REVISION); - if (revision != ADT7470_REVISION) - return -ENODEV; - } else - dev_dbg(&adapter->dev, "detection forced\n"); + revision = i2c_smbus_read_byte_data(client, ADT7470_REG_REVISION); + if (revision != ADT7470_REVISION) + return -ENODEV; strlcpy(info->type, "adt7470", I2C_NAME_SIZE); diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c deleted file mode 100644 index 0a6ce23..0000000 --- a/drivers/hwmon/adt7473.c +++ /dev/null @@ -1,1187 +0,0 @@ -/* - * A hwmon driver for the Analog Devices ADT7473 - * Copyright (C) 2007 IBM - * - * Author: Darrick J. Wong <djwong@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/module.h> -#include <linux/jiffies.h> -#include <linux/i2c.h> -#include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> -#include <linux/err.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/log2.h> - -/* Addresses to scan */ -static const unsigned short normal_i2c[] = { 0x2C, 0x2D, 0x2E, I2C_CLIENT_END }; - -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(adt7473); - -/* ADT7473 registers */ -#define ADT7473_REG_BASE_ADDR 0x20 - -#define ADT7473_REG_VOLT_BASE_ADDR 0x21 -#define ADT7473_REG_VOLT_MIN_BASE_ADDR 0x46 - -#define ADT7473_REG_TEMP_BASE_ADDR 0x25 -#define ADT7473_REG_TEMP_LIMITS_BASE_ADDR 0x4E -#define ADT7473_REG_TEMP_TMIN_BASE_ADDR 0x67 -#define ADT7473_REG_TEMP_TMAX_BASE_ADDR 0x6A - -#define ADT7473_REG_FAN_BASE_ADDR 0x28 -#define ADT7473_REG_FAN_MIN_BASE_ADDR 0x54 - -#define ADT7473_REG_PWM_BASE_ADDR 0x30 -#define ADT7473_REG_PWM_MIN_BASE_ADDR 0x64 -#define ADT7473_REG_PWM_MAX_BASE_ADDR 0x38 -#define ADT7473_REG_PWM_BHVR_BASE_ADDR 0x5C -#define ADT7473_PWM_BHVR_MASK 0xE0 -#define ADT7473_PWM_BHVR_SHIFT 5 - -#define ADT7473_REG_CFG1 0x40 -#define ADT7473_CFG1_START 0x01 -#define ADT7473_CFG1_READY 0x04 -#define ADT7473_REG_CFG2 0x73 -#define ADT7473_REG_CFG3 0x78 -#define ADT7473_REG_CFG4 0x7D -#define ADT7473_CFG4_MAX_DUTY_AT_OVT 0x08 -#define ADT7473_REG_CFG5 0x7C -#define ADT7473_CFG5_TEMP_TWOS 0x01 -#define ADT7473_CFG5_TEMP_OFFSET 0x02 - -#define ADT7473_REG_DEVICE 0x3D -#define ADT7473_VENDOR 0x41 -#define ADT7473_REG_VENDOR 0x3E -#define ADT7473_DEVICE 0x73 -#define ADT7473_REG_REVISION 0x3F -#define ADT7473_REV_68 0x68 -#define ADT7473_REV_69 0x69 - -#define ADT7473_REG_ALARM1 0x41 -#define ADT7473_VCCP_ALARM 0x02 -#define ADT7473_VCC_ALARM 0x04 -#define ADT7473_R1T_ALARM 0x10 -#define ADT7473_LT_ALARM 0x20 -#define ADT7473_R2T_ALARM 0x40 -#define ADT7473_OOL 0x80 -#define ADT7473_REG_ALARM2 0x42 -#define ADT7473_OVT_ALARM 0x02 -#define ADT7473_FAN1_ALARM 0x04 -#define ADT7473_FAN2_ALARM 0x08 -#define ADT7473_FAN3_ALARM 0x10 -#define ADT7473_FAN4_ALARM 0x20 -#define ADT7473_R1T_SHORT 0x40 -#define ADT7473_R2T_SHORT 0x80 - -#define ALARM2(x) ((x) << 8) - -#define ADT7473_VOLT_COUNT 2 -#define ADT7473_REG_VOLT(x) (ADT7473_REG_VOLT_BASE_ADDR + (x)) -#define ADT7473_REG_VOLT_MIN(x) (ADT7473_REG_VOLT_MIN_BASE_ADDR + ((x) * 2)) -#define ADT7473_REG_VOLT_MAX(x) (ADT7473_REG_VOLT_MIN_BASE_ADDR + \ - ((x) * 2) + 1) - -#define ADT7473_TEMP_COUNT 3 -#define ADT7473_REG_TEMP(x) (ADT7473_REG_TEMP_BASE_ADDR + (x)) -#define ADT7473_REG_TEMP_MIN(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + ((x) * 2)) -#define ADT7473_REG_TEMP_MAX(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + \ - ((x) * 2) + 1) -#define ADT7473_REG_TEMP_TMIN(x) (ADT7473_REG_TEMP_TMIN_BASE_ADDR + (x)) -#define ADT7473_REG_TEMP_TMAX(x) (ADT7473_REG_TEMP_TMAX_BASE_ADDR + (x)) - -#define ADT7473_FAN_COUNT 4 -#define ADT7473_REG_FAN(x) (ADT7473_REG_FAN_BASE_ADDR + ((x) * 2)) -#define ADT7473_REG_FAN_MIN(x) (ADT7473_REG_FAN_MIN_BASE_ADDR + ((x) * 2)) - -#define ADT7473_PWM_COUNT 3 -#define ADT7473_REG_PWM(x) (ADT7473_REG_PWM_BASE_ADDR + (x)) -#define ADT7473_REG_PWM_MAX(x) (ADT7473_REG_PWM_MAX_BASE_ADDR + (x)) -#define ADT7473_REG_PWM_MIN(x) (ADT7473_REG_PWM_MIN_BASE_ADDR + (x)) -#define ADT7473_REG_PWM_BHVR(x) (ADT7473_REG_PWM_BHVR_BASE_ADDR + (x)) - -/* How often do we reread sensors values? (In jiffies) */ -#define SENSOR_REFRESH_INTERVAL (2 * HZ) - -/* How often do we reread sensor limit values? (In jiffies) */ -#define LIMIT_REFRESH_INTERVAL (60 * HZ) - -/* datasheet says to divide this number by the fan reading to get fan rpm */ -#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) -#define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM -#define FAN_PERIOD_INVALID 65535 -#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) - -struct adt7473_data { - struct device *hwmon_dev; - struct attribute_group attrs; - struct mutex lock; - char sensors_valid; - char limits_valid; - unsigned long sensors_last_updated; /* In jiffies */ - unsigned long limits_last_updated; /* In jiffies */ - - u8 volt[ADT7473_VOLT_COUNT]; - s8 volt_min[ADT7473_VOLT_COUNT]; - s8 volt_max[ADT7473_VOLT_COUNT]; - - s8 temp[ADT7473_TEMP_COUNT]; - s8 temp_min[ADT7473_TEMP_COUNT]; - s8 temp_max[ADT7473_TEMP_COUNT]; - s8 temp_tmin[ADT7473_TEMP_COUNT]; - /* This is called the !THERM limit in the datasheet */ - s8 temp_tmax[ADT7473_TEMP_COUNT]; - - u16 fan[ADT7473_FAN_COUNT]; - u16 fan_min[ADT7473_FAN_COUNT]; - - u8 pwm[ADT7473_PWM_COUNT]; - u8 pwm_max[ADT7473_PWM_COUNT]; - u8 pwm_min[ADT7473_PWM_COUNT]; - u8 pwm_behavior[ADT7473_PWM_COUNT]; - - u8 temp_twos_complement; - u8 temp_offset; - - u16 alarm; - u8 max_duty_at_overheat; -}; - -static int adt7473_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int adt7473_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); -static int adt7473_remove(struct i2c_client *client); - -static const struct i2c_device_id adt7473_id[] = { - { "adt7473", adt7473 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, adt7473_id); - -static struct i2c_driver adt7473_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "adt7473", - }, - .probe = adt7473_probe, - .remove = adt7473_remove, - .id_table = adt7473_id, - .detect = adt7473_detect, - .address_data = &addr_data, -}; - -/* - * 16-bit registers on the ADT7473 are low-byte first. The data sheet says - * that the low byte must be read before the high byte. - */ -static inline int adt7473_read_word_data(struct i2c_client *client, u8 reg) -{ - u16 foo; - foo = i2c_smbus_read_byte_data(client, reg); - foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); - return foo; -} - -static inline int adt7473_write_word_data(struct i2c_client *client, u8 reg, - u16 value) -{ - return i2c_smbus_write_byte_data(client, reg, value & 0xFF) - && i2c_smbus_write_byte_data(client, reg + 1, value >> 8); -} - -static void adt7473_init_client(struct i2c_client *client) -{ - int reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG1); - - if (!(reg & ADT7473_CFG1_READY)) { - dev_err(&client->dev, "Chip not ready.\n"); - } else { - /* start monitoring */ - i2c_smbus_write_byte_data(client, ADT7473_REG_CFG1, - reg | ADT7473_CFG1_START); - } -} - -static struct adt7473_data *adt7473_update_device(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - unsigned long local_jiffies = jiffies; - u8 cfg; - int i; - - mutex_lock(&data->lock); - if (time_before(local_jiffies, data->sensors_last_updated + - SENSOR_REFRESH_INTERVAL) - && data->sensors_valid) - goto no_sensor_update; - - for (i = 0; i < ADT7473_VOLT_COUNT; i++) - data->volt[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_VOLT(i)); - - /* Determine temperature encoding */ - cfg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG5); - data->temp_twos_complement = (cfg & ADT7473_CFG5_TEMP_TWOS); - - /* - * What does this do? it implies a variable temperature sensor - * offset, but the datasheet doesn't say anything about this bit - * and other parts of the datasheet imply that "offset64" mode - * means that you shift temp values by -64 if the above bit was set. - */ - data->temp_offset = (cfg & ADT7473_CFG5_TEMP_OFFSET); - - for (i = 0; i < ADT7473_TEMP_COUNT; i++) - data->temp[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_TEMP(i)); - - for (i = 0; i < ADT7473_FAN_COUNT; i++) - data->fan[i] = adt7473_read_word_data(client, - ADT7473_REG_FAN(i)); - - for (i = 0; i < ADT7473_PWM_COUNT; i++) - data->pwm[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_PWM(i)); - - data->alarm = i2c_smbus_read_byte_data(client, ADT7473_REG_ALARM1); - if (data->alarm & ADT7473_OOL) - data->alarm |= ALARM2(i2c_smbus_read_byte_data(client, - ADT7473_REG_ALARM2)); - - data->sensors_last_updated = local_jiffies; - data->sensors_valid = 1; - -no_sensor_update: - if (time_before(local_jiffies, data->limits_last_updated + - LIMIT_REFRESH_INTERVAL) - && data->limits_valid) - goto out; - - for (i = 0; i < ADT7473_VOLT_COUNT; i++) { - data->volt_min[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_VOLT_MIN(i)); - data->volt_max[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_VOLT_MAX(i)); - } - - for (i = 0; i < ADT7473_TEMP_COUNT; i++) { - data->temp_min[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_TEMP_MIN(i)); - data->temp_max[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_TEMP_MAX(i)); - data->temp_tmin[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_TEMP_TMIN(i)); - data->temp_tmax[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_TEMP_TMAX(i)); - } - - for (i = 0; i < ADT7473_FAN_COUNT; i++) - data->fan_min[i] = adt7473_read_word_data(client, - ADT7473_REG_FAN_MIN(i)); - - for (i = 0; i < ADT7473_PWM_COUNT; i++) { - data->pwm_max[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_PWM_MAX(i)); - data->pwm_min[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_PWM_MIN(i)); - data->pwm_behavior[i] = i2c_smbus_read_byte_data(client, - ADT7473_REG_PWM_BHVR(i)); - } - - i = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4); - data->max_duty_at_overheat = !!(i & ADT7473_CFG4_MAX_DUTY_AT_OVT); - - data->limits_last_updated = local_jiffies; - data->limits_valid = 1; - -out: - mutex_unlock(&data->lock); - return data; -} - -/* - * Conversions - */ - -/* IN are scaled acording to built-in resistors */ -static const int adt7473_scaling[] = { /* .001 Volts */ - 2250, 3300 -}; -#define SCALE(val, from, to) (((val) * (to) + ((from) / 2)) / (from)) - -static int decode_volt(int volt_index, u8 raw) -{ - return SCALE(raw, 192, adt7473_scaling[volt_index]); -} - -static u8 encode_volt(int volt_index, int cooked) -{ - int raw = SCALE(cooked, adt7473_scaling[volt_index], 192); - return SENSORS_LIMIT(raw, 0, 255); -} - -static ssize_t show_volt_min(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", - decode_volt(attr->index, data->volt_min[attr->index])); -} - -static ssize_t set_volt_min(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long volt; - - if (strict_strtol(buf, 10, &volt)) - return -EINVAL; - - volt = encode_volt(attr->index, volt); - - mutex_lock(&data->lock); - data->volt_min[attr->index] = volt; - i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MIN(attr->index), - volt); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_volt_max(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", - decode_volt(attr->index, data->volt_max[attr->index])); -} - -static ssize_t set_volt_max(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long volt; - - if (strict_strtol(buf, 10, &volt)) - return -EINVAL; - - volt = encode_volt(attr->index, volt); - - mutex_lock(&data->lock); - data->volt_max[attr->index] = volt; - i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MAX(attr->index), - volt); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_volt(struct device *dev, struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - - return sprintf(buf, "%d\n", - decode_volt(attr->index, data->volt[attr->index])); -} - -/* - * This chip can report temperature data either as a two's complement - * number in the range -128 to 127, or as an unsigned number that must - * be offset by 64. - */ -static int decode_temp(u8 twos_complement, u8 raw) -{ - return twos_complement ? (s8)raw : raw - 64; -} - -static u8 encode_temp(u8 twos_complement, int cooked) -{ - u8 ret = twos_complement ? cooked & 0xFF : cooked + 64; - return SENSORS_LIMIT(ret, 0, 255); -} - -static ssize_t show_temp_min(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", 1000 * decode_temp( - data->temp_twos_complement, - data->temp_min[attr->index])); -} - -static ssize_t set_temp_min(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = encode_temp(data->temp_twos_complement, temp); - - mutex_lock(&data->lock); - data->temp_min[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MIN(attr->index), - temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_temp_max(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", 1000 * decode_temp( - data->temp_twos_complement, - data->temp_max[attr->index])); -} - -static ssize_t set_temp_max(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = encode_temp(data->temp_twos_complement, temp); - - mutex_lock(&data->lock); - data->temp_max[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MAX(attr->index), - temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", 1000 * decode_temp( - data->temp_twos_complement, - data->temp[attr->index])); -} - -static ssize_t show_fan_min(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - - if (FAN_DATA_VALID(data->fan_min[attr->index])) - return sprintf(buf, "%d\n", - FAN_PERIOD_TO_RPM(data->fan_min[attr->index])); - else - return sprintf(buf, "0\n"); -} - -static ssize_t set_fan_min(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp) || !temp) - return -EINVAL; - - temp = FAN_RPM_TO_PERIOD(temp); - temp = SENSORS_LIMIT(temp, 1, 65534); - - mutex_lock(&data->lock); - data->fan_min[attr->index] = temp; - adt7473_write_word_data(client, ADT7473_REG_FAN_MIN(attr->index), temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - - if (FAN_DATA_VALID(data->fan[attr->index])) - return sprintf(buf, "%d\n", - FAN_PERIOD_TO_RPM(data->fan[attr->index])); - else - return sprintf(buf, "0\n"); -} - -static ssize_t show_max_duty_at_crit(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", data->max_duty_at_overheat); -} - -static ssize_t set_max_duty_at_crit(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - u8 reg; - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - mutex_lock(&data->lock); - data->max_duty_at_overheat = !!temp; - reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4); - if (temp) - reg |= ADT7473_CFG4_MAX_DUTY_AT_OVT; - else - reg &= ~ADT7473_CFG4_MAX_DUTY_AT_OVT; - i2c_smbus_write_byte_data(client, ADT7473_REG_CFG4, reg); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", data->pwm[attr->index]); -} - -static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = SENSORS_LIMIT(temp, 0, 255); - - mutex_lock(&data->lock); - data->pwm[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_PWM(attr->index), temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_pwm_max(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", data->pwm_max[attr->index]); -} - -static ssize_t set_pwm_max(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = SENSORS_LIMIT(temp, 0, 255); - - mutex_lock(&data->lock); - data->pwm_max[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MAX(attr->index), - temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_pwm_min(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", data->pwm_min[attr->index]); -} - -static ssize_t set_pwm_min(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = SENSORS_LIMIT(temp, 0, 255); - - mutex_lock(&data->lock); - data->pwm_min[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MIN(attr->index), - temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_temp_tmax(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", 1000 * decode_temp( - data->temp_twos_complement, - data->temp_tmax[attr->index])); -} - -static ssize_t set_temp_tmax(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = encode_temp(data->temp_twos_complement, temp); - - mutex_lock(&data->lock); - data->temp_tmax[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMAX(attr->index), - temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_temp_tmin(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - return sprintf(buf, "%d\n", 1000 * decode_temp( - data->temp_twos_complement, - data->temp_tmin[attr->index])); -} - -static ssize_t set_temp_tmin(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = encode_temp(data->temp_twos_complement, temp); - - mutex_lock(&data->lock); - data->temp_tmin[attr->index] = temp; - i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMIN(attr->index), - temp); - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_pwm_enable(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - - switch (data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT) { - case 3: - return sprintf(buf, "0\n"); - case 7: - return sprintf(buf, "1\n"); - default: - return sprintf(buf, "2\n"); - } -} - -static ssize_t set_pwm_enable(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - u8 reg; - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - switch (temp) { - case 0: - temp = 3; - break; - case 1: - temp = 7; - break; - case 2: - /* Enter automatic mode with fans off */ - temp = 4; - break; - default: - return -EINVAL; - } - - mutex_lock(&data->lock); - reg = i2c_smbus_read_byte_data(client, - ADT7473_REG_PWM_BHVR(attr->index)); - reg = (temp << ADT7473_PWM_BHVR_SHIFT) | - (reg & ~ADT7473_PWM_BHVR_MASK); - i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index), - reg); - data->pwm_behavior[attr->index] = reg; - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_pwm_auto_temp(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - int bhvr = data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT; - - switch (bhvr) { - case 3: - case 4: - case 7: - return sprintf(buf, "0\n"); - case 0: - case 1: - case 5: - case 6: - return sprintf(buf, "%d\n", bhvr + 1); - case 2: - return sprintf(buf, "4\n"); - } - /* shouldn't ever get here */ - BUG(); -} - -static ssize_t set_pwm_auto_temp(struct device *dev, - struct device_attribute *devattr, - const char *buf, - size_t count) -{ - u8 reg; - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct adt7473_data *data = i2c_get_clientdata(client); - long temp; - - if (strict_strtol(buf, 10, &temp)) - return -EINVAL; - - switch (temp) { - case 1: - case 2: - case 6: - case 7: - temp--; - break; - case 0: - temp = 4; - break; - default: - return -EINVAL; - } - - mutex_lock(&data->lock); - reg = i2c_smbus_read_byte_data(client, - ADT7473_REG_PWM_BHVR(attr->index)); - reg = (temp << ADT7473_PWM_BHVR_SHIFT) | - (reg & ~ADT7473_PWM_BHVR_MASK); - i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index), - reg); - data->pwm_behavior[attr->index] = reg; - mutex_unlock(&data->lock); - - return count; -} - -static ssize_t show_alarm(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct adt7473_data *data = adt7473_update_device(dev); - - if (data->alarm & attr->index) - return sprintf(buf, "1\n"); - else - return sprintf(buf, "0\n"); -} - - -static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, - set_volt_max, 0); -static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, - set_volt_max, 1); - -static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, - set_volt_min, 0); -static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, - set_volt_min, 1); - -static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_volt, NULL, 0); -static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_volt, NULL, 1); - -static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, - ADT7473_VCCP_ALARM); -static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, - ADT7473_VCC_ALARM); - -static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, - set_temp_max, 0); -static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, - set_temp_max, 1); -static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, - set_temp_max, 2); - -static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, - set_temp_min, 0); -static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, - set_temp_min, 1); -static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, - set_temp_min, 2); - -static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); -static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); -static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); - -static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, - ADT7473_R1T_ALARM | ALARM2(ADT7473_R1T_SHORT)); -static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, - ADT7473_LT_ALARM); -static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, - ADT7473_R2T_ALARM | ALARM2(ADT7473_R2T_SHORT)); - -static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, - set_fan_min, 0); -static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, - set_fan_min, 1); -static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, - set_fan_min, 2); -static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, - set_fan_min, 3); - -static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); -static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); -static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); -static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); - -static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, - ALARM2(ADT7473_FAN1_ALARM)); -static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, - ALARM2(ADT7473_FAN2_ALARM)); -static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, - ALARM2(ADT7473_FAN3_ALARM)); -static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, - ALARM2(ADT7473_FAN4_ALARM)); - -static SENSOR_DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, - show_max_duty_at_crit, set_max_duty_at_crit, 0); - -static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); -static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); -static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); - -static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, - show_pwm_min, set_pwm_min, 0); -static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, - show_pwm_min, set_pwm_min, 1); -static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, - show_pwm_min, set_pwm_min, 2); - -static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, - show_pwm_max, set_pwm_max, 0); -static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, - show_pwm_max, set_pwm_max, 1); -static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, - show_pwm_max, set_pwm_max, 2); - -static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, - show_temp_tmin, set_temp_tmin, 0); -static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, - show_temp_tmin, set_temp_tmin, 1); -static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, - show_temp_tmin, set_temp_tmin, 2); - -static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, - show_temp_tmax, set_temp_tmax, 0); -static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, - show_temp_tmax, set_temp_tmax, 1); -static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, - show_temp_tmax, set_temp_tmax, 2); - -static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, - set_pwm_enable, 0); -static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, - set_pwm_enable, 1); -static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, - set_pwm_enable, 2); - -static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, - show_pwm_auto_temp, set_pwm_auto_temp, 0); -static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, - show_pwm_auto_temp, set_pwm_auto_temp, 1); -static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, - show_pwm_auto_temp, set_pwm_auto_temp, 2); - -static struct attribute *adt7473_attr[] = -{ - &sensor_dev_attr_in1_max.dev_attr.attr, - &sensor_dev_attr_in2_max.dev_attr.attr, - &sensor_dev_attr_in1_min.dev_attr.attr, - &sensor_dev_attr_in2_min.dev_attr.attr, - &sensor_dev_attr_in1_input.dev_attr.attr, - &sensor_dev_attr_in2_input.dev_attr.attr, - &sensor_dev_attr_in1_alarm.dev_attr.attr, - &sensor_dev_attr_in2_alarm.dev_attr.attr, - - &sensor_dev_attr_temp1_max.dev_attr.attr, - &sensor_dev_attr_temp2_max.dev_attr.attr, - &sensor_dev_attr_temp3_max.dev_attr.attr, - &sensor_dev_attr_temp1_min.dev_attr.attr, - &sensor_dev_attr_temp2_min.dev_attr.attr, - &sensor_dev_attr_temp3_min.dev_attr.attr, - &sensor_dev_attr_temp1_input.dev_attr.attr, - &sensor_dev_attr_temp2_input.dev_attr.attr, - &sensor_dev_attr_temp3_input.dev_attr.attr, - &sensor_dev_attr_temp1_alarm.dev_attr.attr, - &sensor_dev_attr_temp2_alarm.dev_attr.attr, - &sensor_dev_attr_temp3_alarm.dev_attr.attr, - &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, - &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, - &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, - &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, - &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, - &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, - - &sensor_dev_attr_fan1_min.dev_attr.attr, - &sensor_dev_attr_fan2_min.dev_attr.attr, - &sensor_dev_attr_fan3_min.dev_attr.attr, - &sensor_dev_attr_fan4_min.dev_attr.attr, - &sensor_dev_attr_fan1_input.dev_attr.attr, - &sensor_dev_attr_fan2_input.dev_attr.attr, - &sensor_dev_attr_fan3_input.dev_attr.attr, - &sensor_dev_attr_fan4_input.dev_attr.attr, - &sensor_dev_attr_fan1_alarm.dev_attr.attr, - &sensor_dev_attr_fan2_alarm.dev_attr.attr, - &sensor_dev_attr_fan3_alarm.dev_attr.attr, - &sensor_dev_attr_fan4_alarm.dev_attr.attr, - - &sensor_dev_attr_pwm_use_point2_pwm_at_crit.dev_attr.attr, - - &sensor_dev_attr_pwm1.dev_attr.attr, - &sensor_dev_attr_pwm2.dev_attr.attr, - &sensor_dev_attr_pwm3.dev_attr.attr, - &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, - &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, - &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, - &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, - - &sensor_dev_attr_pwm1_enable.dev_attr.attr, - &sensor_dev_attr_pwm2_enable.dev_attr.attr, - &sensor_dev_attr_pwm3_enable.dev_attr.attr, - &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, - &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, - - NULL -}; - -/* Return 0 if detection is successful, -ENODEV otherwise */ -static int adt7473_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) -{ - struct i2c_adapter *adapter = client->adapter; - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -ENODEV; - - if (kind <= 0) { - int vendor, device, revision; - - vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR); - if (vendor != ADT7473_VENDOR) - return -ENODEV; - - device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE); - if (device != ADT7473_DEVICE) - return -ENODEV; - - revision = i2c_smbus_read_byte_data(client, - ADT7473_REG_REVISION); - if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) - return -ENODEV; - } else - dev_dbg(&adapter->dev, "detection forced\n"); - - strlcpy(info->type, "adt7473", I2C_NAME_SIZE); - - return 0; -} - -static int adt7473_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct adt7473_data *data; - int err; - - data = kzalloc(sizeof(struct adt7473_data), GFP_KERNEL); - if (!data) { - err = -ENOMEM; - goto exit; - } - - i2c_set_clientdata(client, data); - mutex_init(&data->lock); - - dev_info(&client->dev, "%s chip found\n", client->name); - - /* Initialize the ADT7473 chip */ - adt7473_init_client(client); - - /* Register sysfs hooks */ - data->attrs.attrs = adt7473_attr; - err = sysfs_create_group(&client->dev.kobj, &data->attrs); - if (err) - goto exit_free; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } - - return 0; - -exit_remove: - sysfs_remove_group(&client->dev.kobj, &data->attrs); -exit_free: - kfree(data); -exit: - return err; -} - -static int adt7473_remove(struct i2c_client *client) -{ - struct adt7473_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &data->attrs); - kfree(data); - return 0; -} - -static int __init adt7473_init(void) -{ - return i2c_add_driver(&adt7473_driver); -} - -static void __exit adt7473_exit(void) -{ - i2c_del_driver(&adt7473_driver); -} - -MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); -MODULE_DESCRIPTION("ADT7473 driver"); -MODULE_LICENSE("GPL"); - -module_init(adt7473_init); -module_exit(adt7473_exit); diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index b5a9519..a0c3851 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -3,7 +3,8 @@ * Copyright (C) 2007-2008, Advanced Micro Devices, Inc. * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net> * Copyright (C) 2008 Hans de Goede <hdegoede@redhat.com> - + * Copyright (C) 2009 Jean Delvare <khali@linux-fr.org> + * * Derived from the lm83 driver by Jean Delvare * * This program is free software; you can redistribute it and/or modify @@ -17,6 +18,7 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> +#include <linux/hwmon-vid.h> #include <linux/err.h> /* Indexes for the sysfs hooks */ @@ -39,7 +41,12 @@ /* 7475 Common Registers */ -#define REG_VOLTAGE_BASE 0x21 +#define REG_DEVREV2 0x12 /* ADT7490 only */ + +#define REG_VTT 0x1E /* ADT7490 only */ +#define REG_EXTEND3 0x1F /* ADT7490 only */ + +#define REG_VOLTAGE_BASE 0x20 #define REG_TEMP_BASE 0x25 #define REG_TACH_BASE 0x28 #define REG_PWM_BASE 0x30 @@ -47,12 +54,15 @@ #define REG_DEVID 0x3D #define REG_VENDID 0x3E +#define REG_DEVID2 0x3F #define REG_STATUS1 0x41 #define REG_STATUS2 0x42 -#define REG_VOLTAGE_MIN_BASE 0x46 -#define REG_VOLTAGE_MAX_BASE 0x47 +#define REG_VID 0x43 /* ADT7476 only */ + +#define REG_VOLTAGE_MIN_BASE 0x44 +#define REG_VOLTAGE_MAX_BASE 0x45 #define REG_TEMP_MIN_BASE 0x4E #define REG_TEMP_MAX_BASE 0x4F @@ -73,16 +83,39 @@ #define REG_TEMP_OFFSET_BASE 0x70 +#define REG_CONFIG2 0x73 + #define REG_EXTEND1 0x76 #define REG_EXTEND2 0x77 + +#define REG_CONFIG3 0x78 #define REG_CONFIG5 0x7C +#define REG_CONFIG4 0x7D + +#define REG_STATUS4 0x81 /* ADT7490 only */ + +#define REG_VTT_MIN 0x84 /* ADT7490 only */ +#define REG_VTT_MAX 0x86 /* ADT7490 only */ + +#define VID_VIDSEL 0x80 /* ADT7476 only */ + +#define CONFIG2_ATTN 0x20 + +#define CONFIG3_SMBALERT 0x01 +#define CONFIG3_THERM 0x02 + +#define CONFIG4_PINFUNC 0x03 +#define CONFIG4_MAXDUTY 0x08 +#define CONFIG4_ATTN_IN10 0x30 +#define CONFIG4_ATTN_IN43 0xC0 #define CONFIG5_TWOSCOMP 0x01 #define CONFIG5_TEMPOFFSET 0x02 +#define CONFIG5_VIDGPIO 0x10 /* ADT7476 only */ /* ADT7475 Settings */ -#define ADT7475_VOLTAGE_COUNT 2 +#define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt */ #define ADT7475_TEMP_COUNT 3 #define ADT7475_TACH_COUNT 4 #define ADT7475_PWM_COUNT 3 @@ -113,12 +146,15 @@ #define TEMP_OFFSET_REG(idx) (REG_TEMP_OFFSET_BASE + (idx)) #define TEMP_TRANGE_REG(idx) (REG_TEMP_TRANGE_BASE + (idx)) -static unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END }; +static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -I2C_CLIENT_INSMOD_1(adt7475); +enum chips { adt7473, adt7475, adt7476, adt7490 }; static const struct i2c_device_id adt7475_id[] = { + { "adt7473", adt7473 }, { "adt7475", adt7475 }, + { "adt7476", adt7476 }, + { "adt7490", adt7490 }, { } }; MODULE_DEVICE_TABLE(i2c, adt7475_id); @@ -131,15 +167,24 @@ struct adt7475_data { unsigned long limits_updated; char valid; + u8 config4; u8 config5; - u16 alarms; - u16 voltage[3][3]; + u8 has_voltage; + u8 bypass_attn; /* Bypass voltage attenuator */ + u8 has_pwm2:1; + u8 has_fan4:1; + u8 has_vid:1; + u32 alarms; + u16 voltage[3][6]; u16 temp[7][3]; u16 tach[2][4]; u8 pwm[4][3]; u8 range[3]; u8 pwmctl[3]; u8 pwmchan[3]; + + u8 vid; + u8 vrm; }; static struct i2c_driver adt7475_driver; @@ -196,26 +241,35 @@ static inline u16 rpm2tach(unsigned long rpm) return SENSORS_LIMIT((90000 * 60) / rpm, 1, 0xFFFF); } -static inline int reg2vcc(u16 reg) -{ - return (4296 * reg) / 1000; -} +/* Scaling factors for voltage inputs, taken from the ADT7490 datasheet */ +static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 1][2] = { + { 45, 94 }, /* +2.5V */ + { 175, 525 }, /* Vccp */ + { 68, 71 }, /* Vcc */ + { 93, 47 }, /* +5V */ + { 120, 20 }, /* +12V */ + { 45, 45 }, /* Vtt */ +}; -static inline int reg2vccp(u16 reg) +static inline int reg2volt(int channel, u16 reg, u8 bypass_attn) { - return (2929 * reg) / 1000; -} + const int *r = adt7473_in_scaling[channel]; -static inline u16 vcc2reg(long vcc) -{ - vcc = SENSORS_LIMIT(vcc, 0, 4396); - return (vcc * 1000) / 4296; + if (bypass_attn & (1 << channel)) + return DIV_ROUND_CLOSEST(reg * 2250, 1024); + return DIV_ROUND_CLOSEST(reg * (r[0] + r[1]) * 2250, r[1] * 1024); } -static inline u16 vccp2reg(long vcc) +static inline u16 volt2reg(int channel, long volt, u8 bypass_attn) { - vcc = SENSORS_LIMIT(vcc, 0, 2998); - return (vcc * 1000) / 2929; + const int *r = adt7473_in_scaling[channel]; + long reg; + + if (bypass_attn & (1 << channel)) + reg = (volt * 1024) / 2250; + else + reg = (volt * r[1] * 1024) / ((r[0] + r[1]) * 2250); + return SENSORS_LIMIT(reg, 0, 1023) & (0xff << 2); } static u16 adt7475_read_word(struct i2c_client *client, int reg) @@ -271,12 +325,11 @@ static ssize_t show_voltage(struct device *dev, struct device_attribute *attr, switch (sattr->nr) { case ALARM: return sprintf(buf, "%d\n", - (data->alarms >> (sattr->index + 1)) & 1); + (data->alarms >> sattr->index) & 1); default: val = data->voltage[sattr->nr][sattr->index]; return sprintf(buf, "%d\n", - sattr->index == - 0 ? reg2vccp(val) : reg2vcc(val)); + reg2volt(sattr->index, val, data->bypass_attn)); } } @@ -296,12 +349,19 @@ static ssize_t set_voltage(struct device *dev, struct device_attribute *attr, mutex_lock(&data->lock); data->voltage[sattr->nr][sattr->index] = - sattr->index ? vcc2reg(val) : vccp2reg(val); + volt2reg(sattr->index, val, data->bypass_attn); - if (sattr->nr == MIN) - reg = VOLTAGE_MIN_REG(sattr->index); - else - reg = VOLTAGE_MAX_REG(sattr->index); + if (sattr->index < ADT7475_VOLTAGE_COUNT) { + if (sattr->nr == MIN) + reg = VOLTAGE_MIN_REG(sattr->index); + else + reg = VOLTAGE_MAX_REG(sattr->index); + } else { + if (sattr->nr == MIN) + reg = REG_VTT_MIN; + else + reg = REG_VTT_MAX; + } i2c_smbus_write_byte_data(client, reg, data->voltage[sattr->nr][sattr->index] >> 2); @@ -778,18 +838,103 @@ static ssize_t set_pwmfreq(struct device *dev, struct device_attribute *attr, return count; } -static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_voltage, NULL, INPUT, 0); -static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_voltage, +static ssize_t show_pwm_at_crit(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct adt7475_data *data = adt7475_update_device(dev); + return sprintf(buf, "%d\n", !!(data->config4 & CONFIG4_MAXDUTY)); +} + +static ssize_t set_pwm_at_crit(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7475_data *data = i2c_get_clientdata(client); + long val; + + if (strict_strtol(buf, 10, &val)) + return -EINVAL; + if (val != 0 && val != 1) + return -EINVAL; + + mutex_lock(&data->lock); + data->config4 = i2c_smbus_read_byte_data(client, REG_CONFIG4); + if (val) + data->config4 |= CONFIG4_MAXDUTY; + else + data->config4 &= ~CONFIG4_MAXDUTY; + i2c_smbus_write_byte_data(client, REG_CONFIG4, data->config4); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_vrm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct adt7475_data *data = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", (int)data->vrm); +} + +static ssize_t set_vrm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct adt7475_data *data = dev_get_drvdata(dev); + long val; + + if (strict_strtol(buf, 10, &val)) + return -EINVAL; + if (val < 0 || val > 255) + return -EINVAL; + data->vrm = val; + + return count; +} + +static ssize_t show_vid(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct adt7475_data *data = adt7475_update_device(dev); + return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); +} + +static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_voltage, NULL, INPUT, 0); +static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MAX, 0); -static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_voltage, +static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MIN, 0); -static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, show_voltage, NULL, ALARM, 0); -static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_voltage, NULL, INPUT, 1); -static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_voltage, +static SENSOR_DEVICE_ATTR_2(in0_alarm, S_IRUGO, show_voltage, NULL, ALARM, 0); +static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_voltage, NULL, INPUT, 1); +static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MAX, 1); -static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_voltage, +static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_voltage, set_voltage, MIN, 1); -static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, show_voltage, NULL, ALARM, 1); +static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, show_voltage, NULL, ALARM, 1); +static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_voltage, NULL, INPUT, 2); +static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MAX, 2); +static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MIN, 2); +static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, show_voltage, NULL, ALARM, 2); +static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_voltage, NULL, INPUT, 3); +static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MAX, 3); +static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MIN, 3); +static SENSOR_DEVICE_ATTR_2(in3_alarm, S_IRUGO, show_voltage, NULL, ALARM, 3); +static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_voltage, NULL, INPUT, 4); +static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MAX, 4); +static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MIN, 4); +static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, show_voltage, NULL, ALARM, 8); +static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_voltage, NULL, INPUT, 5); +static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MAX, 5); +static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_voltage, + set_voltage, MIN, 5); +static SENSOR_DEVICE_ATTR_2(in5_alarm, S_IRUGO, show_voltage, NULL, ALARM, 31); static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, INPUT, 0); static SENSOR_DEVICE_ATTR_2(temp1_alarm, S_IRUGO, show_temp, NULL, ALARM, 0); static SENSOR_DEVICE_ATTR_2(temp1_fault, S_IRUGO, show_temp, NULL, FAULT, 0); @@ -893,6 +1038,13 @@ static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MAX, 2); +/* Non-standard name, might need revisiting */ +static DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, + show_pwm_at_crit, set_pwm_at_crit); + +static DEVICE_ATTR(vrm, S_IWUSR | S_IRUGO, show_vrm, set_vrm); +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); + static struct attribute *adt7475_attrs[] = { &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_in1_max.dev_attr.attr, @@ -940,60 +1092,156 @@ static struct attribute *adt7475_attrs[] = { &sensor_dev_attr_fan3_input.dev_attr.attr, &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_alarm.dev_attr.attr, - &sensor_dev_attr_fan4_input.dev_attr.attr, - &sensor_dev_attr_fan4_min.dev_attr.attr, - &sensor_dev_attr_fan4_alarm.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_freq.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, - &sensor_dev_attr_pwm2.dev_attr.attr, - &sensor_dev_attr_pwm2_freq.dev_attr.attr, - &sensor_dev_attr_pwm2_enable.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, &sensor_dev_attr_pwm3_freq.dev_attr.attr, &sensor_dev_attr_pwm3_enable.dev_attr.attr, &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + &dev_attr_pwm_use_point2_pwm_at_crit.attr, NULL, }; -struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; +static struct attribute *fan4_attrs[] = { + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + NULL +}; + +static struct attribute *pwm2_attrs[] = { + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_freq.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + NULL +}; + +static struct attribute *in0_attrs[] = { + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + NULL +}; + +static struct attribute *in3_attrs[] = { + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + NULL +}; + +static struct attribute *in4_attrs[] = { + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + NULL +}; -static int adt7475_detect(struct i2c_client *client, int kind, +static struct attribute *in5_attrs[] = { + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + NULL +}; + +static struct attribute *vid_attrs[] = { + &dev_attr_cpu0_vid.attr, + &dev_attr_vrm.attr, + NULL +}; + +static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; +static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs }; +static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs }; +static struct attribute_group in0_attr_group = { .attrs = in0_attrs }; +static struct attribute_group in3_attr_group = { .attrs = in3_attrs }; +static struct attribute_group in4_attr_group = { .attrs = in4_attrs }; +static struct attribute_group in5_attr_group = { .attrs = in5_attrs }; +static struct attribute_group vid_attr_group = { .attrs = vid_attrs }; + +static int adt7475_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int vendid, devid, devid2; + const char *name; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - if (adt7475_read(REG_VENDID) != 0x41 || - adt7475_read(REG_DEVID) != 0x75) { - dev_err(&adapter->dev, - "Couldn't detect a adt7475 part at 0x%02x\n", - (unsigned int)client->addr); - return -ENODEV; - } + vendid = adt7475_read(REG_VENDID); + devid2 = adt7475_read(REG_DEVID2); + if (vendid != 0x41 || /* Analog Devices */ + (devid2 & 0xf8) != 0x68) + return -ENODEV; + + devid = adt7475_read(REG_DEVID); + if (devid == 0x73) + name = "adt7473"; + else if (devid == 0x75 && client->addr == 0x2e) + name = "adt7475"; + else if (devid == 0x76) + name = "adt7476"; + else if ((devid2 & 0xfc) == 0x6c) + name = "adt7490"; + else { + dev_dbg(&adapter->dev, + "Couldn't detect an ADT7473/75/76/90 part at " + "0x%02x\n", (unsigned int)client->addr); + return -ENODEV; } - strlcpy(info->type, adt7475_id[0].name, I2C_NAME_SIZE); + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; } +static void adt7475_remove_files(struct i2c_client *client, + struct adt7475_data *data) +{ + sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group); + if (data->has_fan4) + sysfs_remove_group(&client->dev.kobj, &fan4_attr_group); + if (data->has_pwm2) + sysfs_remove_group(&client->dev.kobj, &pwm2_attr_group); + if (data->has_voltage & (1 << 0)) + sysfs_remove_group(&client->dev.kobj, &in0_attr_group); + if (data->has_voltage & (1 << 3)) + sysfs_remove_group(&client->dev.kobj, &in3_attr_group); + if (data->has_voltage & (1 << 4)) + sysfs_remove_group(&client->dev.kobj, &in4_attr_group); + if (data->has_voltage & (1 << 5)) + sysfs_remove_group(&client->dev.kobj, &in5_attr_group); + if (data->has_vid) + sysfs_remove_group(&client->dev.kobj, &vid_attr_group); +} + static int adt7475_probe(struct i2c_client *client, const struct i2c_device_id *id) { + static const char *names[] = { + [adt7473] = "ADT7473", + [adt7475] = "ADT7475", + [adt7476] = "ADT7476", + [adt7490] = "ADT7490", + }; + struct adt7475_data *data; - int i, ret = 0; + int i, ret = 0, revision; + u8 config2, config3; data = kzalloc(sizeof(*data), GFP_KERNEL); if (data == NULL) @@ -1002,6 +1250,70 @@ static int adt7475_probe(struct i2c_client *client, mutex_init(&data->lock); i2c_set_clientdata(client, data); + /* Initialize device-specific values */ + switch (id->driver_data) { + case adt7476: + data->has_voltage = 0x0e; /* in1 to in3 */ + revision = adt7475_read(REG_DEVID2) & 0x07; + break; + case adt7490: + data->has_voltage = 0x3e; /* in1 to in5 */ + revision = adt7475_read(REG_DEVID2) & 0x03; + if (revision == 0x03) + revision += adt7475_read(REG_DEVREV2); + break; + default: + data->has_voltage = 0x06; /* in1, in2 */ + revision = adt7475_read(REG_DEVID2) & 0x07; + } + + config3 = adt7475_read(REG_CONFIG3); + /* Pin PWM2 may alternatively be used for ALERT output */ + if (!(config3 & CONFIG3_SMBALERT)) + data->has_pwm2 = 1; + /* Meaning of this bit is inverted for the ADT7473-1 */ + if (id->driver_data == adt7473 && revision >= 1) + data->has_pwm2 = !data->has_pwm2; + + data->config4 = adt7475_read(REG_CONFIG4); + /* Pin TACH4 may alternatively be used for THERM */ + if ((data->config4 & CONFIG4_PINFUNC) == 0x0) + data->has_fan4 = 1; + + /* THERM configuration is more complex on the ADT7476 and ADT7490, + because 2 different pins (TACH4 and +2.5 Vin) can be used for + this function */ + if (id->driver_data == adt7490) { + if ((data->config4 & CONFIG4_PINFUNC) == 0x1 && + !(config3 & CONFIG3_THERM)) + data->has_fan4 = 1; + } + if (id->driver_data == adt7476 || id->driver_data == adt7490) { + if (!(config3 & CONFIG3_THERM) || + (data->config4 & CONFIG4_PINFUNC) == 0x1) + data->has_voltage |= (1 << 0); /* in0 */ + } + + /* On the ADT7476, the +12V input pin may instead be used as VID5, + and VID pins may alternatively be used as GPIO */ + if (id->driver_data == adt7476) { + u8 vid = adt7475_read(REG_VID); + if (!(vid & VID_VIDSEL)) + data->has_voltage |= (1 << 4); /* in4 */ + + data->has_vid = !(adt7475_read(REG_CONFIG5) & CONFIG5_VIDGPIO); + } + + /* Voltage attenuators can be bypassed, globally or individually */ + config2 = adt7475_read(REG_CONFIG2); + if (config2 & CONFIG2_ATTN) { + data->bypass_attn = (0x3 << 3) | 0x3; + } else { + data->bypass_attn = ((data->config4 & CONFIG4_ATTN_IN10) >> 4) | + ((data->config4 & CONFIG4_ATTN_IN43) >> 3); + } + data->bypass_attn &= data->has_voltage; + /* Call adt7475_read_pwm for all pwm's as this will reprogram any pwm's which are disabled to manual mode with 0% duty cycle */ for (i = 0; i < ADT7475_PWM_COUNT; i++) @@ -1011,16 +1323,70 @@ static int adt7475_probe(struct i2c_client *client, if (ret) goto efree; + /* Features that can be disabled individually */ + if (data->has_fan4) { + ret = sysfs_create_group(&client->dev.kobj, &fan4_attr_group); + if (ret) + goto eremove; + } + if (data->has_pwm2) { + ret = sysfs_create_group(&client->dev.kobj, &pwm2_attr_group); + if (ret) + goto eremove; + } + if (data->has_voltage & (1 << 0)) { + ret = sysfs_create_group(&client->dev.kobj, &in0_attr_group); + if (ret) + goto eremove; + } + if (data->has_voltage & (1 << 3)) { + ret = sysfs_create_group(&client->dev.kobj, &in3_attr_group); + if (ret) + goto eremove; + } + if (data->has_voltage & (1 << 4)) { + ret = sysfs_create_group(&client->dev.kobj, &in4_attr_group); + if (ret) + goto eremove; + } + if (data->has_voltage & (1 << 5)) { + ret = sysfs_create_group(&client->dev.kobj, &in5_attr_group); + if (ret) + goto eremove; + } + if (data->has_vid) { + data->vrm = vid_which_vrm(); + ret = sysfs_create_group(&client->dev.kobj, &vid_attr_group); + if (ret) + goto eremove; + } + data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { ret = PTR_ERR(data->hwmon_dev); goto eremove; } + dev_info(&client->dev, "%s device, revision %d\n", + names[id->driver_data], revision); + if ((data->has_voltage & 0x11) || data->has_fan4 || data->has_pwm2) + dev_info(&client->dev, "Optional features:%s%s%s%s%s\n", + (data->has_voltage & (1 << 0)) ? " in0" : "", + (data->has_voltage & (1 << 4)) ? " in4" : "", + data->has_fan4 ? " fan4" : "", + data->has_pwm2 ? " pwm2" : "", + data->has_vid ? " vid" : ""); + if (data->bypass_attn) + dev_info(&client->dev, "Bypassing attenuators on:%s%s%s%s\n", + (data->bypass_attn & (1 << 0)) ? " in0" : "", + (data->bypass_attn & (1 << 1)) ? " in1" : "", + (data->bypass_attn & (1 << 3)) ? " in3" : "", + (data->bypass_attn & (1 << 4)) ? " in4" : ""); + return 0; eremove: - sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group); + adt7475_remove_files(client, data); efree: kfree(data); return ret; @@ -1031,7 +1397,7 @@ static int adt7475_remove(struct i2c_client *client) struct adt7475_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group); + adt7475_remove_files(client, data); kfree(data); return 0; @@ -1046,7 +1412,7 @@ static struct i2c_driver adt7475_driver = { .remove = adt7475_remove, .id_table = adt7475_id, .detect = adt7475_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static void adt7475_read_hystersis(struct i2c_client *client) @@ -1116,7 +1482,7 @@ static struct adt7475_data *adt7475_update_device(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct adt7475_data *data = i2c_get_clientdata(client); - u8 ext; + u16 ext; int i; mutex_lock(&data->lock); @@ -1127,25 +1493,44 @@ static struct adt7475_data *adt7475_update_device(struct device *dev) data->alarms = adt7475_read(REG_STATUS2) << 8; data->alarms |= adt7475_read(REG_STATUS1); - ext = adt7475_read(REG_EXTEND1); - for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) + ext = (adt7475_read(REG_EXTEND2) << 8) | + adt7475_read(REG_EXTEND1); + for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { + if (!(data->has_voltage & (1 << i))) + continue; data->voltage[INPUT][i] = (adt7475_read(VOLTAGE_REG(i)) << 2) | - ((ext >> ((i + 1) * 2)) & 3); + ((ext >> (i * 2)) & 3); + } - ext = adt7475_read(REG_EXTEND2); for (i = 0; i < ADT7475_TEMP_COUNT; i++) data->temp[INPUT][i] = (adt7475_read(TEMP_REG(i)) << 2) | - ((ext >> ((i + 1) * 2)) & 3); + ((ext >> ((i + 5) * 2)) & 3); - for (i = 0; i < ADT7475_TACH_COUNT; i++) + if (data->has_voltage & (1 << 5)) { + data->alarms |= adt7475_read(REG_STATUS4) << 24; + ext = adt7475_read(REG_EXTEND3); + data->voltage[INPUT][5] = adt7475_read(REG_VTT) << 2 | + ((ext >> 4) & 3); + } + + for (i = 0; i < ADT7475_TACH_COUNT; i++) { + if (i == 3 && !data->has_fan4) + continue; data->tach[INPUT][i] = adt7475_read_word(client, TACH_REG(i)); + } /* Updated by hw when in auto mode */ - for (i = 0; i < ADT7475_PWM_COUNT; i++) + for (i = 0; i < ADT7475_PWM_COUNT; i++) { + if (i == 1 && !data->has_pwm2) + continue; data->pwm[INPUT][i] = adt7475_read(PWM_REG(i)); + } + + if (data->has_vid) + data->vid = adt7475_read(REG_VID) & 0x3f; data->measure_updated = jiffies; } @@ -1153,9 +1538,12 @@ static struct adt7475_data *adt7475_update_device(struct device *dev) /* Limits and settings, should never change update every 60 seconds */ if (time_after(jiffies, data->limits_updated + HZ * 60) || !data->valid) { + data->config4 = adt7475_read(REG_CONFIG4); data->config5 = adt7475_read(REG_CONFIG5); for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { + if (!(data->has_voltage & (1 << i))) + continue; /* Adjust values so they match the input precision */ data->voltage[MIN][i] = adt7475_read(VOLTAGE_MIN_REG(i)) << 2; @@ -1163,6 +1551,11 @@ static struct adt7475_data *adt7475_update_device(struct device *dev) adt7475_read(VOLTAGE_MAX_REG(i)) << 2; } + if (data->has_voltage & (1 << 5)) { + data->voltage[MIN][5] = adt7475_read(REG_VTT_MIN) << 2; + data->voltage[MAX][5] = adt7475_read(REG_VTT_MAX) << 2; + } + for (i = 0; i < ADT7475_TEMP_COUNT; i++) { /* Adjust values so they match the input precision */ data->temp[MIN][i] = @@ -1178,11 +1571,16 @@ static struct adt7475_data *adt7475_update_device(struct device *dev) } adt7475_read_hystersis(client); - for (i = 0; i < ADT7475_TACH_COUNT; i++) + for (i = 0; i < ADT7475_TACH_COUNT; i++) { + if (i == 3 && !data->has_fan4) + continue; data->tach[MIN][i] = adt7475_read_word(client, TACH_MIN_REG(i)); + } for (i = 0; i < ADT7475_PWM_COUNT; i++) { + if (i == 1 && !data->has_pwm2) + continue; data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i)); data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i)); /* Set the channel and control information */ diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c new file mode 100644 index 0000000..fa9708c --- /dev/null +++ b/drivers/hwmon/amc6821.c @@ -0,0 +1,1115 @@ +/* + amc6821.c - Part of lm_sensors, Linux kernel modules for hardware + monitoring + Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si> + + Based on max6650.c: + Copyright (C) 2007 Hans J. Koch <hjk@linutronix.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + + +#include <linux/kernel.h> /* Needed for KERN_INFO */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> + + +/* + * Addresses to scan. + */ + +static const unsigned short normal_i2c[] = {0x18, 0x19, 0x1a, 0x2c, 0x2d, 0x2e, + 0x4c, 0x4d, 0x4e, I2C_CLIENT_END}; + + + +/* + * Insmod parameters + */ + +static int pwminv = 0; /*Inverted PWM output. */ +module_param(pwminv, int, S_IRUGO); + +static int init = 1; /*Power-on initialization.*/ +module_param(init, int, S_IRUGO); + + +enum chips { amc6821 }; + +#define AMC6821_REG_DEV_ID 0x3D +#define AMC6821_REG_COMP_ID 0x3E +#define AMC6821_REG_CONF1 0x00 +#define AMC6821_REG_CONF2 0x01 +#define AMC6821_REG_CONF3 0x3F +#define AMC6821_REG_CONF4 0x04 +#define AMC6821_REG_STAT1 0x02 +#define AMC6821_REG_STAT2 0x03 +#define AMC6821_REG_TDATA_LOW 0x08 +#define AMC6821_REG_TDATA_HI 0x09 +#define AMC6821_REG_LTEMP_HI 0x0A +#define AMC6821_REG_RTEMP_HI 0x0B +#define AMC6821_REG_LTEMP_LIMIT_MIN 0x15 +#define AMC6821_REG_LTEMP_LIMIT_MAX 0x14 +#define AMC6821_REG_RTEMP_LIMIT_MIN 0x19 +#define AMC6821_REG_RTEMP_LIMIT_MAX 0x18 +#define AMC6821_REG_LTEMP_CRIT 0x1B +#define AMC6821_REG_RTEMP_CRIT 0x1D +#define AMC6821_REG_PSV_TEMP 0x1C +#define AMC6821_REG_DCY 0x22 +#define AMC6821_REG_LTEMP_FAN_CTRL 0x24 +#define AMC6821_REG_RTEMP_FAN_CTRL 0x25 +#define AMC6821_REG_DCY_LOW_TEMP 0x21 + +#define AMC6821_REG_TACH_LLIMITL 0x10 +#define AMC6821_REG_TACH_LLIMITH 0x11 +#define AMC6821_REG_TACH_HLIMITL 0x12 +#define AMC6821_REG_TACH_HLIMITH 0x13 + +#define AMC6821_CONF1_START 0x01 +#define AMC6821_CONF1_FAN_INT_EN 0x02 +#define AMC6821_CONF1_FANIE 0x04 +#define AMC6821_CONF1_PWMINV 0x08 +#define AMC6821_CONF1_FAN_FAULT_EN 0x10 +#define AMC6821_CONF1_FDRC0 0x20 +#define AMC6821_CONF1_FDRC1 0x40 +#define AMC6821_CONF1_THERMOVIE 0x80 + +#define AMC6821_CONF2_PWM_EN 0x01 +#define AMC6821_CONF2_TACH_MODE 0x02 +#define AMC6821_CONF2_TACH_EN 0x04 +#define AMC6821_CONF2_RTFIE 0x08 +#define AMC6821_CONF2_LTOIE 0x10 +#define AMC6821_CONF2_RTOIE 0x20 +#define AMC6821_CONF2_PSVIE 0x40 +#define AMC6821_CONF2_RST 0x80 + +#define AMC6821_CONF3_THERM_FAN_EN 0x80 +#define AMC6821_CONF3_REV_MASK 0x0F + +#define AMC6821_CONF4_OVREN 0x10 +#define AMC6821_CONF4_TACH_FAST 0x20 +#define AMC6821_CONF4_PSPR 0x40 +#define AMC6821_CONF4_MODE 0x80 + +#define AMC6821_STAT1_RPM_ALARM 0x01 +#define AMC6821_STAT1_FANS 0x02 +#define AMC6821_STAT1_RTH 0x04 +#define AMC6821_STAT1_RTL 0x08 +#define AMC6821_STAT1_R_THERM 0x10 +#define AMC6821_STAT1_RTF 0x20 +#define AMC6821_STAT1_LTH 0x40 +#define AMC6821_STAT1_LTL 0x80 + +#define AMC6821_STAT2_RTC 0x08 +#define AMC6821_STAT2_LTC 0x10 +#define AMC6821_STAT2_LPSV 0x20 +#define AMC6821_STAT2_L_THERM 0x40 +#define AMC6821_STAT2_THERM_IN 0x80 + +enum {IDX_TEMP1_INPUT = 0, IDX_TEMP1_MIN, IDX_TEMP1_MAX, + IDX_TEMP1_CRIT, IDX_TEMP2_INPUT, IDX_TEMP2_MIN, + IDX_TEMP2_MAX, IDX_TEMP2_CRIT, + TEMP_IDX_LEN, }; + +static const u8 temp_reg[] = {AMC6821_REG_LTEMP_HI, + AMC6821_REG_LTEMP_LIMIT_MIN, + AMC6821_REG_LTEMP_LIMIT_MAX, + AMC6821_REG_LTEMP_CRIT, + AMC6821_REG_RTEMP_HI, + AMC6821_REG_RTEMP_LIMIT_MIN, + AMC6821_REG_RTEMP_LIMIT_MAX, + AMC6821_REG_RTEMP_CRIT, }; + +enum {IDX_FAN1_INPUT = 0, IDX_FAN1_MIN, IDX_FAN1_MAX, + FAN1_IDX_LEN, }; + +static const u8 fan_reg_low[] = {AMC6821_REG_TDATA_LOW, + AMC6821_REG_TACH_LLIMITL, + AMC6821_REG_TACH_HLIMITL, }; + + +static const u8 fan_reg_hi[] = {AMC6821_REG_TDATA_HI, + AMC6821_REG_TACH_LLIMITH, + AMC6821_REG_TACH_HLIMITH, }; + +static int amc6821_probe( + struct i2c_client *client, + const struct i2c_device_id *id); +static int amc6821_detect( + struct i2c_client *client, + struct i2c_board_info *info); +static int amc6821_init_client(struct i2c_client *client); +static int amc6821_remove(struct i2c_client *client); +static struct amc6821_data *amc6821_update_device(struct device *dev); + +/* + * Driver data (common to all clients) + */ + +static const struct i2c_device_id amc6821_id[] = { + { "amc6821", amc6821 }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, amc6821_id); + +static struct i2c_driver amc6821_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "amc6821", + }, + .probe = amc6821_probe, + .remove = amc6821_remove, + .id_table = amc6821_id, + .detect = amc6821_detect, + .address_list = normal_i2c, +}; + + +/* + * Client data (each client gets its own) + */ + +struct amc6821_data { + struct device *hwmon_dev; + struct mutex update_lock; + char valid; /* zero until following fields are valid */ + unsigned long last_updated; /* in jiffies */ + + /* register values */ + int temp[TEMP_IDX_LEN]; + + u16 fan[FAN1_IDX_LEN]; + u8 fan1_div; + + u8 pwm1; + u8 temp1_auto_point_temp[3]; + u8 temp2_auto_point_temp[3]; + u8 pwm1_auto_point_pwm[3]; + u8 pwm1_enable; + u8 pwm1_auto_channels_temp; + + u8 stat1; + u8 stat2; +}; + + +static ssize_t get_temp( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + int ix = to_sensor_dev_attr(devattr)->index; + + return sprintf(buf, "%d\n", data->temp[ix] * 1000); +} + + + +static ssize_t set_temp( + struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + int ix = to_sensor_dev_attr(attr)->index; + long val; + + int ret = strict_strtol(buf, 10, &val); + if (ret) + return ret; + val = SENSORS_LIMIT(val / 1000, -128, 127); + + mutex_lock(&data->update_lock); + data->temp[ix] = val; + if (i2c_smbus_write_byte_data(client, temp_reg[ix], data->temp[ix])) { + dev_err(&client->dev, "Register write error, aborting.\n"); + count = -EIO; + } + mutex_unlock(&data->update_lock); + return count; +} + + + + +static ssize_t get_temp_alarm( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + int ix = to_sensor_dev_attr(devattr)->index; + u8 flag; + + switch (ix) { + case IDX_TEMP1_MIN: + flag = data->stat1 & AMC6821_STAT1_LTL; + break; + case IDX_TEMP1_MAX: + flag = data->stat1 & AMC6821_STAT1_LTH; + break; + case IDX_TEMP1_CRIT: + flag = data->stat2 & AMC6821_STAT2_LTC; + break; + case IDX_TEMP2_MIN: + flag = data->stat1 & AMC6821_STAT1_RTL; + break; + case IDX_TEMP2_MAX: + flag = data->stat1 & AMC6821_STAT1_RTH; + break; + case IDX_TEMP2_CRIT: + flag = data->stat2 & AMC6821_STAT2_RTC; + break; + default: + dev_dbg(dev, "Unknown attr->index (%d).\n", ix); + return -EINVAL; + } + if (flag) + return sprintf(buf, "1"); + else + return sprintf(buf, "0"); +} + + + + +static ssize_t get_temp2_fault( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + if (data->stat1 & AMC6821_STAT1_RTF) + return sprintf(buf, "1"); + else + return sprintf(buf, "0"); +} + +static ssize_t get_pwm1( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + return sprintf(buf, "%d\n", data->pwm1); +} + +static ssize_t set_pwm1( + struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + long val; + int ret = strict_strtol(buf, 10, &val); + if (ret) + return ret; + + mutex_lock(&data->update_lock); + data->pwm1 = SENSORS_LIMIT(val , 0, 255); + i2c_smbus_write_byte_data(client, AMC6821_REG_DCY, data->pwm1); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t get_pwm1_enable( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + return sprintf(buf, "%d\n", data->pwm1_enable); +} + +static ssize_t set_pwm1_enable( + struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + long val; + int config = strict_strtol(buf, 10, &val); + if (config) + return config; + + config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF1); + if (config < 0) { + dev_err(&client->dev, + "Error reading configuration register, aborting.\n"); + return -EIO; + } + + switch (val) { + case 1: + config &= ~AMC6821_CONF1_FDRC0; + config &= ~AMC6821_CONF1_FDRC1; + break; + case 2: + config &= ~AMC6821_CONF1_FDRC0; + config |= AMC6821_CONF1_FDRC1; + break; + case 3: + config |= AMC6821_CONF1_FDRC0; + config |= AMC6821_CONF1_FDRC1; + break; + default: + return -EINVAL; + } + mutex_lock(&data->update_lock); + if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF1, config)) { + dev_err(&client->dev, + "Configuration register write error, aborting.\n"); + count = -EIO; + } + mutex_unlock(&data->update_lock); + return count; +} + + +static ssize_t get_pwm1_auto_channels_temp( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + return sprintf(buf, "%d\n", data->pwm1_auto_channels_temp); +} + + +static ssize_t get_temp_auto_point_temp( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + int ix = to_sensor_dev_attr_2(devattr)->index; + int nr = to_sensor_dev_attr_2(devattr)->nr; + struct amc6821_data *data = amc6821_update_device(dev); + switch (nr) { + case 1: + return sprintf(buf, "%d\n", + data->temp1_auto_point_temp[ix] * 1000); + break; + case 2: + return sprintf(buf, "%d\n", + data->temp2_auto_point_temp[ix] * 1000); + break; + default: + dev_dbg(dev, "Unknown attr->nr (%d).\n", nr); + return -EINVAL; + } +} + + +static ssize_t get_pwm1_auto_point_pwm( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + int ix = to_sensor_dev_attr(devattr)->index; + struct amc6821_data *data = amc6821_update_device(dev); + return sprintf(buf, "%d\n", data->pwm1_auto_point_pwm[ix]); +} + + +static inline ssize_t set_slope_register(struct i2c_client *client, + u8 reg, + u8 dpwm, + u8 *ptemp) +{ + int dt; + u8 tmp; + + dt = ptemp[2]-ptemp[1]; + for (tmp = 4; tmp > 0; tmp--) { + if (dt * (0x20 >> tmp) >= dpwm) + break; + } + tmp |= (ptemp[1] & 0x7C) << 1; + if (i2c_smbus_write_byte_data(client, + reg, tmp)) { + dev_err(&client->dev, "Register write error, aborting.\n"); + return -EIO; + } + return 0; +} + + + +static ssize_t set_temp_auto_point_temp( + struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = amc6821_update_device(dev); + int ix = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + u8 *ptemp; + u8 reg; + int dpwm; + long val; + int ret = strict_strtol(buf, 10, &val); + if (ret) + return ret; + + switch (nr) { + case 1: + ptemp = data->temp1_auto_point_temp; + reg = AMC6821_REG_LTEMP_FAN_CTRL; + break; + case 2: + ptemp = data->temp2_auto_point_temp; + reg = AMC6821_REG_RTEMP_FAN_CTRL; + break; + default: + dev_dbg(dev, "Unknown attr->nr (%d).\n", nr); + return -EINVAL; + } + + data->valid = 0; + mutex_lock(&data->update_lock); + switch (ix) { + case 0: + ptemp[0] = SENSORS_LIMIT(val / 1000, 0, + data->temp1_auto_point_temp[1]); + ptemp[0] = SENSORS_LIMIT(ptemp[0], 0, + data->temp2_auto_point_temp[1]); + ptemp[0] = SENSORS_LIMIT(ptemp[0], 0, 63); + if (i2c_smbus_write_byte_data( + client, + AMC6821_REG_PSV_TEMP, + ptemp[0])) { + dev_err(&client->dev, + "Register write error, aborting.\n"); + count = -EIO; + } + goto EXIT; + break; + case 1: + ptemp[1] = SENSORS_LIMIT( + val / 1000, + (ptemp[0] & 0x7C) + 4, + 124); + ptemp[1] &= 0x7C; + ptemp[2] = SENSORS_LIMIT( + ptemp[2], ptemp[1] + 1, + 255); + break; + case 2: + ptemp[2] = SENSORS_LIMIT( + val / 1000, + ptemp[1]+1, + 255); + break; + default: + dev_dbg(dev, "Unknown attr->index (%d).\n", ix); + count = -EINVAL; + goto EXIT; + } + dpwm = data->pwm1_auto_point_pwm[2] - data->pwm1_auto_point_pwm[1]; + if (set_slope_register(client, reg, dpwm, ptemp)) + count = -EIO; + +EXIT: + mutex_unlock(&data->update_lock); + return count; +} + + + +static ssize_t set_pwm1_auto_point_pwm( + struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + int dpwm; + long val; + int ret = strict_strtol(buf, 10, &val); + if (ret) + return ret; + + mutex_lock(&data->update_lock); + data->pwm1_auto_point_pwm[1] = SENSORS_LIMIT(val, 0, 254); + if (i2c_smbus_write_byte_data(client, AMC6821_REG_DCY_LOW_TEMP, + data->pwm1_auto_point_pwm[1])) { + dev_err(&client->dev, "Register write error, aborting.\n"); + count = -EIO; + goto EXIT; + } + dpwm = data->pwm1_auto_point_pwm[2] - data->pwm1_auto_point_pwm[1]; + if (set_slope_register(client, AMC6821_REG_LTEMP_FAN_CTRL, dpwm, + data->temp1_auto_point_temp)) { + count = -EIO; + goto EXIT; + } + if (set_slope_register(client, AMC6821_REG_RTEMP_FAN_CTRL, dpwm, + data->temp2_auto_point_temp)) { + count = -EIO; + goto EXIT; + } + +EXIT: + data->valid = 0; + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t get_fan( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + int ix = to_sensor_dev_attr(devattr)->index; + if (0 == data->fan[ix]) + return sprintf(buf, "0"); + return sprintf(buf, "%d\n", (int)(6000000 / data->fan[ix])); +} + + + +static ssize_t get_fan1_fault( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + if (data->stat1 & AMC6821_STAT1_FANS) + return sprintf(buf, "1"); + else + return sprintf(buf, "0"); +} + + + +static ssize_t set_fan( + struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + long val; + int ix = to_sensor_dev_attr(attr)->index; + int ret = strict_strtol(buf, 10, &val); + if (ret) + return ret; + val = 1 > val ? 0xFFFF : 6000000/val; + + mutex_lock(&data->update_lock); + data->fan[ix] = (u16) SENSORS_LIMIT(val, 1, 0xFFFF); + if (i2c_smbus_write_byte_data(client, fan_reg_low[ix], + data->fan[ix] & 0xFF)) { + dev_err(&client->dev, "Register write error, aborting.\n"); + count = -EIO; + goto EXIT; + } + if (i2c_smbus_write_byte_data(client, + fan_reg_hi[ix], data->fan[ix] >> 8)) { + dev_err(&client->dev, "Register write error, aborting.\n"); + count = -EIO; + } +EXIT: + mutex_unlock(&data->update_lock); + return count; +} + + + +static ssize_t get_fan1_div( + struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct amc6821_data *data = amc6821_update_device(dev); + return sprintf(buf, "%d\n", data->fan1_div); +} + +static ssize_t set_fan1_div( + struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + long val; + int config = strict_strtol(buf, 10, &val); + if (config) + return config; + + config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF4); + if (config < 0) { + dev_err(&client->dev, + "Error reading configuration register, aborting.\n"); + return -EIO; + } + mutex_lock(&data->update_lock); + switch (val) { + case 2: + config &= ~AMC6821_CONF4_PSPR; + data->fan1_div = 2; + break; + case 4: + config |= AMC6821_CONF4_PSPR; + data->fan1_div = 4; + break; + default: + count = -EINVAL; + goto EXIT; + } + if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF4, config)) { + dev_err(&client->dev, + "Configuration register write error, aborting.\n"); + count = -EIO; + } +EXIT: + mutex_unlock(&data->update_lock); + return count; +} + + + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, + get_temp, NULL, IDX_TEMP1_INPUT); +static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO | S_IWUSR, get_temp, + set_temp, IDX_TEMP1_MIN); +static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, get_temp, + set_temp, IDX_TEMP1_MAX); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, get_temp, + set_temp, IDX_TEMP1_CRIT); +static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, + get_temp_alarm, NULL, IDX_TEMP1_MIN); +static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, + get_temp_alarm, NULL, IDX_TEMP1_MAX); +static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, + get_temp_alarm, NULL, IDX_TEMP1_CRIT); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR, + get_temp, NULL, IDX_TEMP2_INPUT); +static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp, + set_temp, IDX_TEMP2_MIN); +static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, get_temp, + set_temp, IDX_TEMP2_MAX); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO | S_IWUSR, get_temp, + set_temp, IDX_TEMP2_CRIT); +static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, + get_temp2_fault, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, + get_temp_alarm, NULL, IDX_TEMP2_MIN); +static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, + get_temp_alarm, NULL, IDX_TEMP2_MAX); +static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, + get_temp_alarm, NULL, IDX_TEMP2_CRIT); +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, get_fan, NULL, IDX_FAN1_INPUT); +static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, + get_fan, set_fan, IDX_FAN1_MIN); +static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO | S_IWUSR, + get_fan, set_fan, IDX_FAN1_MAX); +static SENSOR_DEVICE_ATTR(fan1_fault, S_IRUGO, get_fan1_fault, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, + get_fan1_div, set_fan1_div, 0); + +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, get_pwm1, set_pwm1, 0); +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, + get_pwm1_enable, set_pwm1_enable, 0); +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IRUGO, + get_pwm1_auto_point_pwm, NULL, 0); +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + get_pwm1_auto_point_pwm, set_pwm1_auto_point_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, S_IRUGO, + get_pwm1_auto_point_pwm, NULL, 2); +static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO, + get_pwm1_auto_channels_temp, NULL, 0); +static SENSOR_DEVICE_ATTR_2(temp1_auto_point1_temp, S_IRUGO, + get_temp_auto_point_temp, NULL, 1, 0); +static SENSOR_DEVICE_ATTR_2(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, + get_temp_auto_point_temp, set_temp_auto_point_temp, 1, 1); +static SENSOR_DEVICE_ATTR_2(temp1_auto_point3_temp, S_IWUSR | S_IRUGO, + get_temp_auto_point_temp, set_temp_auto_point_temp, 1, 2); + +static SENSOR_DEVICE_ATTR_2(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, + get_temp_auto_point_temp, set_temp_auto_point_temp, 2, 0); +static SENSOR_DEVICE_ATTR_2(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, + get_temp_auto_point_temp, set_temp_auto_point_temp, 2, 1); +static SENSOR_DEVICE_ATTR_2(temp2_auto_point3_temp, S_IWUSR | S_IRUGO, + get_temp_auto_point_temp, set_temp_auto_point_temp, 2, 2); + + + +static struct attribute *amc6821_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_crit.dev_attr.attr, + &sensor_dev_attr_temp2_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_fault.dev_attr.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_max.dev_attr.attr, + &sensor_dev_attr_fan1_fault.dev_attr.attr, + &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp1_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point3_temp.dev_attr.attr, + NULL +}; + +static struct attribute_group amc6821_attr_grp = { + .attrs = amc6821_attrs, +}; + + + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int amc6821_detect( + struct i2c_client *client, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + int address = client->addr; + int dev_id, comp_id; + + dev_dbg(&adapter->dev, "amc6821_detect called.\n"); + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { + dev_dbg(&adapter->dev, + "amc6821: I2C bus doesn't support byte mode, " + "skipping.\n"); + return -ENODEV; + } + + dev_id = i2c_smbus_read_byte_data(client, AMC6821_REG_DEV_ID); + comp_id = i2c_smbus_read_byte_data(client, AMC6821_REG_COMP_ID); + if (dev_id != 0x21 || comp_id != 0x49) { + dev_dbg(&adapter->dev, + "amc6821: detection failed at 0x%02x.\n", + address); + return -ENODEV; + } + + /* Bit 7 of the address register is ignored, so we can check the + ID registers again */ + dev_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_DEV_ID); + comp_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_COMP_ID); + if (dev_id != 0x21 || comp_id != 0x49) { + dev_dbg(&adapter->dev, + "amc6821: detection failed at 0x%02x.\n", + address); + return -ENODEV; + } + + dev_info(&adapter->dev, "amc6821: chip found at 0x%02x.\n", address); + strlcpy(info->type, "amc6821", I2C_NAME_SIZE); + + return 0; +} + +static int amc6821_probe( + struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct amc6821_data *data; + int err; + + data = kzalloc(sizeof(struct amc6821_data), GFP_KERNEL); + if (!data) { + dev_err(&client->dev, "out of memory.\n"); + return -ENOMEM; + } + + + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); + + /* + * Initialize the amc6821 chip + */ + err = amc6821_init_client(client); + if (err) + goto err_free; + + err = sysfs_create_group(&client->dev.kobj, &amc6821_attr_grp); + if (err) + goto err_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (!IS_ERR(data->hwmon_dev)) + return 0; + + err = PTR_ERR(data->hwmon_dev); + dev_err(&client->dev, "error registering hwmon device.\n"); + sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp); +err_free: + kfree(data); + return err; +} + +static int amc6821_remove(struct i2c_client *client) +{ + struct amc6821_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &amc6821_attr_grp); + + kfree(data); + + return 0; +} + + +static int amc6821_init_client(struct i2c_client *client) +{ + int config; + int err = -EIO; + + if (init) { + config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF4); + + if (config < 0) { + dev_err(&client->dev, + "Error reading configuration register, aborting.\n"); + return err; + } + + config |= AMC6821_CONF4_MODE; + + if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF4, + config)) { + dev_err(&client->dev, + "Configuration register write error, aborting.\n"); + return err; + } + + config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF3); + + if (config < 0) { + dev_err(&client->dev, + "Error reading configuration register, aborting.\n"); + return err; + } + + dev_info(&client->dev, "Revision %d\n", config & 0x0f); + + config &= ~AMC6821_CONF3_THERM_FAN_EN; + + if (i2c_smbus_write_byte_data(client, AMC6821_REG_CONF3, + config)) { + dev_err(&client->dev, + "Configuration register write error, aborting.\n"); + return err; + } + + config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF2); + + if (config < 0) { + dev_err(&client->dev, + "Error reading configuration register, aborting.\n"); + return err; + } + + config &= ~AMC6821_CONF2_RTFIE; + config &= ~AMC6821_CONF2_LTOIE; + config &= ~AMC6821_CONF2_RTOIE; + if (i2c_smbus_write_byte_data(client, + AMC6821_REG_CONF2, config)) { + dev_err(&client->dev, + "Configuration register write error, aborting.\n"); + return err; + } + + config = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF1); + + if (config < 0) { + dev_err(&client->dev, + "Error reading configuration register, aborting.\n"); + return err; + } + + config &= ~AMC6821_CONF1_THERMOVIE; + config &= ~AMC6821_CONF1_FANIE; + config |= AMC6821_CONF1_START; + if (pwminv) + config |= AMC6821_CONF1_PWMINV; + else + config &= ~AMC6821_CONF1_PWMINV; + + if (i2c_smbus_write_byte_data( + client, AMC6821_REG_CONF1, config)) { + dev_err(&client->dev, + "Configuration register write error, aborting.\n"); + return err; + } + } + return 0; +} + + +static struct amc6821_data *amc6821_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct amc6821_data *data = i2c_get_clientdata(client); + int timeout = HZ; + u8 reg; + int i; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + timeout) || + !data->valid) { + + for (i = 0; i < TEMP_IDX_LEN; i++) + data->temp[i] = i2c_smbus_read_byte_data(client, + temp_reg[i]); + + data->stat1 = i2c_smbus_read_byte_data(client, + AMC6821_REG_STAT1); + data->stat2 = i2c_smbus_read_byte_data(client, + AMC6821_REG_STAT2); + + data->pwm1 = i2c_smbus_read_byte_data(client, + AMC6821_REG_DCY); + for (i = 0; i < FAN1_IDX_LEN; i++) { + data->fan[i] = i2c_smbus_read_byte_data( + client, + fan_reg_low[i]); + data->fan[i] += i2c_smbus_read_byte_data( + client, + fan_reg_hi[i]) << 8; + } + data->fan1_div = i2c_smbus_read_byte_data(client, + AMC6821_REG_CONF4); + data->fan1_div = data->fan1_div & AMC6821_CONF4_PSPR ? 4 : 2; + + data->pwm1_auto_point_pwm[0] = 0; + data->pwm1_auto_point_pwm[2] = 255; + data->pwm1_auto_point_pwm[1] = i2c_smbus_read_byte_data(client, + AMC6821_REG_DCY_LOW_TEMP); + + data->temp1_auto_point_temp[0] = + i2c_smbus_read_byte_data(client, + AMC6821_REG_PSV_TEMP); + data->temp2_auto_point_temp[0] = + data->temp1_auto_point_temp[0]; + reg = i2c_smbus_read_byte_data(client, + AMC6821_REG_LTEMP_FAN_CTRL); + data->temp1_auto_point_temp[1] = (reg & 0xF8) >> 1; + reg &= 0x07; + reg = 0x20 >> reg; + if (reg > 0) + data->temp1_auto_point_temp[2] = + data->temp1_auto_point_temp[1] + + (data->pwm1_auto_point_pwm[2] - + data->pwm1_auto_point_pwm[1]) / reg; + else + data->temp1_auto_point_temp[2] = 255; + + reg = i2c_smbus_read_byte_data(client, + AMC6821_REG_RTEMP_FAN_CTRL); + data->temp2_auto_point_temp[1] = (reg & 0xF8) >> 1; + reg &= 0x07; + reg = 0x20 >> reg; + if (reg > 0) + data->temp2_auto_point_temp[2] = + data->temp2_auto_point_temp[1] + + (data->pwm1_auto_point_pwm[2] - + data->pwm1_auto_point_pwm[1]) / reg; + else + data->temp2_auto_point_temp[2] = 255; + + reg = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF1); + reg = (reg >> 5) & 0x3; + switch (reg) { + case 0: /*open loop: software sets pwm1*/ + data->pwm1_auto_channels_temp = 0; + data->pwm1_enable = 1; + break; + case 2: /*closed loop: remote T (temp2)*/ + data->pwm1_auto_channels_temp = 2; + data->pwm1_enable = 2; + break; + case 3: /*closed loop: local and remote T (temp2)*/ + data->pwm1_auto_channels_temp = 3; + data->pwm1_enable = 3; + break; + case 1: /*semi-open loop: software sets rpm, chip controls pwm1, + *currently not implemented + */ + data->pwm1_auto_channels_temp = 0; + data->pwm1_enable = 0; + break; + } + + data->last_updated = jiffies; + data->valid = 1; + } + mutex_unlock(&data->update_lock); + return data; +} + + +static int __init amc6821_init(void) +{ + return i2c_add_driver(&amc6821_driver); +} + +static void __exit amc6821_exit(void) +{ + i2c_del_driver(&amc6821_driver); +} + +module_init(amc6821_init); +module_exit(amc6821_exit); + + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("T. Mertelj <tomaz.mertelj@guest.arnes.si>"); +MODULE_DESCRIPTION("Texas Instruments amc6821 hwmon driver"); diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c index 6c9ace1..2ad62c3 100644 --- a/drivers/hwmon/ams/ams-core.c +++ b/drivers/hwmon/ams/ams-core.c @@ -213,7 +213,7 @@ int __init ams_init(void) return -ENODEV; } -void ams_exit(void) +void ams_sensor_detach(void) { /* Remove input device */ ams_input_exit(); @@ -221,9 +221,6 @@ void ams_exit(void) /* Remove attributes */ device_remove_file(&ams_info.of_dev->dev, &dev_attr_current); - /* Shut down implementation */ - ams_info.exit(); - /* Flush interrupt worker * * We do this after ams_info.exit(), because an interrupt might @@ -239,6 +236,12 @@ void ams_exit(void) pmf_unregister_irq_client(&ams_freefall_client); } +static void __exit ams_exit(void) +{ + /* Shut down implementation */ + ams_info.exit(); +} + MODULE_AUTHOR("Stelian Pop, Michael Hanselmann"); MODULE_DESCRIPTION("Apple Motion Sensor driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c index 2cbf8a65..abeecd2 100644 --- a/drivers/hwmon/ams/ams-i2c.c +++ b/drivers/hwmon/ams/ams-i2c.c @@ -238,6 +238,8 @@ static int ams_i2c_probe(struct i2c_client *client, static int ams_i2c_remove(struct i2c_client *client) { if (ams_info.has_device) { + ams_sensor_detach(); + /* Disable interrupts */ ams_i2c_set_irq(AMS_IRQ_ALL, 0); diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c index fb18b3d..4f61b3e 100644 --- a/drivers/hwmon/ams/ams-pmu.c +++ b/drivers/hwmon/ams/ams-pmu.c @@ -133,6 +133,8 @@ static void ams_pmu_get_xyz(s8 *x, s8 *y, s8 *z) static void ams_pmu_exit(void) { + ams_sensor_detach(); + /* Disable interrupts */ ams_pmu_set_irq(AMS_IRQ_ALL, 0); diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h index 5ed387b..b28d7e2 100644 --- a/drivers/hwmon/ams/ams.h +++ b/drivers/hwmon/ams/ams.h @@ -61,6 +61,7 @@ extern struct ams ams_info; extern void ams_sensors(s8 *x, s8 *y, s8 *z); extern int ams_sensor_attach(void); +extern void ams_sensor_detach(void); extern int ams_pmu_init(struct device_node *np); extern int ams_i2c_init(struct device_node *np); diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 7ea6a8f..c1605b5 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -518,7 +518,7 @@ static int applesmc_pm_restore(struct device *dev) return applesmc_pm_resume(dev); } -static struct dev_pm_ops applesmc_pm_ops = { +static const struct dev_pm_ops applesmc_pm_ops = { .resume = applesmc_pm_resume, .restore = applesmc_pm_restore, }; diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index 8acf829..7dada55 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -51,9 +51,6 @@ /* I2C addresses to scan */ static const unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(asb100); - static unsigned short force_subclients[4]; module_param_array(force_subclients, short, NULL, 0); MODULE_PARM_DESC(force_subclients, "List of subclient addresses: " @@ -209,14 +206,14 @@ static void asb100_write_value(struct i2c_client *client, u16 reg, u16 val); static int asb100_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int asb100_detect(struct i2c_client *client, int kind, +static int asb100_detect(struct i2c_client *client, struct i2c_board_info *info); static int asb100_remove(struct i2c_client *client); static struct asb100_data *asb100_update_device(struct device *dev); static void asb100_init_client(struct i2c_client *client); static const struct i2c_device_id asb100_id[] = { - { "asb100", asb100 }, + { "asb100", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, asb100_id); @@ -230,7 +227,7 @@ static struct i2c_driver asb100_driver = { .remove = asb100_remove, .id_table = asb100_id, .detect = asb100_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* 7 Voltages */ @@ -697,10 +694,11 @@ ERROR_SC_2: } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int asb100_detect(struct i2c_client *client, int kind, +static int asb100_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int val1, val2; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { pr_debug("asb100.o: detect failed, " @@ -708,50 +706,30 @@ static int asb100_detect(struct i2c_client *client, int kind, return -ENODEV; } - /* The chip may be stuck in some other bank than bank 0. This may - make reading other information impossible. Specify a force=... or - force_*=... parameter, and the chip will be reset to the right - bank. */ - if (kind < 0) { - - int val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK); - int val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); - - /* If we're in bank 0 */ - if ((!(val1 & 0x07)) && - /* Check for ASB100 ID (low byte) */ - (((!(val1 & 0x80)) && (val2 != 0x94)) || - /* Check for ASB100 ID (high byte ) */ - ((val1 & 0x80) && (val2 != 0x06)))) { - pr_debug("asb100.o: detect failed, " - "bad chip id 0x%02x!\n", val2); - return -ENODEV; - } + val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK); + val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); - } /* kind < 0 */ + /* If we're in bank 0 */ + if ((!(val1 & 0x07)) && + /* Check for ASB100 ID (low byte) */ + (((!(val1 & 0x80)) && (val2 != 0x94)) || + /* Check for ASB100 ID (high byte ) */ + ((val1 & 0x80) && (val2 != 0x06)))) { + pr_debug("asb100: detect failed, bad chip id 0x%02x!\n", val2); + return -ENODEV; + } - /* We have either had a force parameter, or we have already detected - Winbond. Put it now into bank 0 and Vendor ID High Byte */ + /* Put it now into bank 0 and Vendor ID High Byte */ i2c_smbus_write_byte_data(client, ASB100_REG_BANK, (i2c_smbus_read_byte_data(client, ASB100_REG_BANK) & 0x78) | 0x80); /* Determine the chip type. */ - if (kind <= 0) { - int val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID); - int val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); - - if ((val1 == 0x31) && (val2 == 0x06)) - kind = asb100; - else { - if (kind == 0) - dev_warn(&adapter->dev, "ignoring " - "'force' parameter for unknown chip " - "at adapter %d, address 0x%02x.\n", - i2c_adapter_id(adapter), client->addr); - return -ENODEV; - } - } + val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID); + val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); + + if (val1 != 0x31 || val2 != 0x06) + return -ENODEV; strlcpy(info->type, "asb100", I2C_NAME_SIZE); diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c new file mode 100644 index 0000000..7f94810 --- /dev/null +++ b/drivers/hwmon/asc7621.c @@ -0,0 +1,1255 @@ +/* + * asc7621.c - Part of lm_sensors, Linux kernel modules for hardware monitoring + * Copyright (c) 2007, 2010 George Joseph <george.joseph@fairview5.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { + 0x2c, 0x2d, 0x2e, I2C_CLIENT_END +}; + +enum asc7621_type { + asc7621, + asc7621a +}; + +#define INTERVAL_HIGH (HZ + HZ / 2) +#define INTERVAL_LOW (1 * 60 * HZ) +#define PRI_NONE 0 +#define PRI_LOW 1 +#define PRI_HIGH 2 +#define FIRST_CHIP asc7621 +#define LAST_CHIP asc7621a + +struct asc7621_chip { + char *name; + enum asc7621_type chip_type; + u8 company_reg; + u8 company_id; + u8 verstep_reg; + u8 verstep_id; + unsigned short *addresses; +}; + +static struct asc7621_chip asc7621_chips[] = { + { + .name = "asc7621", + .chip_type = asc7621, + .company_reg = 0x3e, + .company_id = 0x61, + .verstep_reg = 0x3f, + .verstep_id = 0x6c, + .addresses = normal_i2c, + }, + { + .name = "asc7621a", + .chip_type = asc7621a, + .company_reg = 0x3e, + .company_id = 0x61, + .verstep_reg = 0x3f, + .verstep_id = 0x6d, + .addresses = normal_i2c, + }, +}; + +/* + * Defines the highest register to be used, not the count. + * The actual count will probably be smaller because of gaps + * in the implementation (unused register locations). + * This define will safely set the array size of both the parameter + * and data arrays. + * This comes from the data sheet register description table. + */ +#define LAST_REGISTER 0xff + +struct asc7621_data { + struct i2c_client client; + struct device *class_dev; + struct mutex update_lock; + int valid; /* !=0 if following fields are valid */ + unsigned long last_high_reading; /* In jiffies */ + unsigned long last_low_reading; /* In jiffies */ + /* + * Registers we care about occupy the corresponding index + * in the array. Registers we don't care about are left + * at 0. + */ + u8 reg[LAST_REGISTER + 1]; +}; + +/* + * Macro to get the parent asc7621_param structure + * from a sensor_device_attribute passed into the + * show/store functions. + */ +#define to_asc7621_param(_sda) \ + container_of(_sda, struct asc7621_param, sda) + +/* + * Each parameter to be retrieved needs an asc7621_param structure + * allocated. It contains the sensor_device_attribute structure + * and the control info needed to retrieve the value from the register map. + */ +struct asc7621_param { + struct sensor_device_attribute sda; + u8 priority; + u8 msb[3]; + u8 lsb[3]; + u8 mask[3]; + u8 shift[3]; +}; + +/* + * This is the map that ultimately indicates whether we'll be + * retrieving a register value or not, and at what frequency. + */ +static u8 asc7621_register_priorities[255]; + +static struct asc7621_data *asc7621_update_device(struct device *dev); + +static inline u8 read_byte(struct i2c_client *client, u8 reg) +{ + int res = i2c_smbus_read_byte_data(client, reg); + if (res < 0) { + dev_err(&client->dev, + "Unable to read from register 0x%02x.\n", reg); + return 0; + }; + return res & 0xff; +} + +static inline int write_byte(struct i2c_client *client, u8 reg, u8 data) +{ + int res = i2c_smbus_write_byte_data(client, reg, data); + if (res < 0) { + dev_err(&client->dev, + "Unable to write value 0x%02x to register 0x%02x.\n", + data, reg); + }; + return res; +} + +/* + * Data Handlers + * Each function handles the formatting, storage + * and retrieval of like parameters. + */ + +#define SETUP_SHOW_data_param(d, a) \ + struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \ + struct asc7621_data *data = asc7621_update_device(d); \ + struct asc7621_param *param = to_asc7621_param(sda) + +#define SETUP_STORE_data_param(d, a) \ + struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \ + struct i2c_client *client = to_i2c_client(d); \ + struct asc7621_data *data = i2c_get_clientdata(client); \ + struct asc7621_param *param = to_asc7621_param(sda) + +/* + * u8 is just what it sounds like...an unsigned byte with no + * special formatting. + */ +static ssize_t show_u8(struct device *dev, struct device_attribute *attr, + char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + + return sprintf(buf, "%u\n", data->reg[param->msb[0]]); +} + +static ssize_t store_u8(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + reqval = SENSORS_LIMIT(reqval, 0, 255); + + mutex_lock(&data->update_lock); + data->reg[param->msb[0]] = reqval; + write_byte(client, param->msb[0], reqval); + mutex_unlock(&data->update_lock); + return count; +} + +/* + * Many of the config values occupy only a few bits of a register. + */ +static ssize_t show_bitmask(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + + return sprintf(buf, "%u\n", + (data->reg[param->msb[0]] >> param-> + shift[0]) & param->mask[0]); +} + +static ssize_t store_bitmask(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + u8 currval; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + reqval = SENSORS_LIMIT(reqval, 0, param->mask[0]); + + reqval = (reqval & param->mask[0]) << param->shift[0]; + + mutex_lock(&data->update_lock); + currval = read_byte(client, param->msb[0]); + reqval |= (currval & ~(param->mask[0] << param->shift[0])); + data->reg[param->msb[0]] = reqval; + write_byte(client, param->msb[0], reqval); + mutex_unlock(&data->update_lock); + return count; +} + +/* + * 16 bit fan rpm values + * reported by the device as the number of 11.111us periods (90khz) + * between full fan rotations. Therefore... + * RPM = (90000 * 60) / register value + */ +static ssize_t show_fan16(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u16 regval; + + mutex_lock(&data->update_lock); + regval = (data->reg[param->msb[0]] << 8) | data->reg[param->lsb[0]]; + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%u\n", + (regval == 0 ? -1 : (regval) == + 0xffff ? 0 : 5400000 / regval)); +} + +static ssize_t store_fan16(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + reqval = + (SENSORS_LIMIT((reqval) <= 0 ? 0 : 5400000 / (reqval), 0, 65534)); + + mutex_lock(&data->update_lock); + data->reg[param->msb[0]] = (reqval >> 8) & 0xff; + data->reg[param->lsb[0]] = reqval & 0xff; + write_byte(client, param->msb[0], data->reg[param->msb[0]]); + write_byte(client, param->lsb[0], data->reg[param->lsb[0]]); + mutex_unlock(&data->update_lock); + + return count; +} + +/* + * Voltages are scaled in the device so that the nominal voltage + * is 3/4ths of the 0-255 range (i.e. 192). + * If all voltages are 'normal' then all voltage registers will + * read 0xC0. This doesn't help us if we don't have a point of refernce. + * The data sheet however provides us with the full scale value for each + * which is stored in in_scaling. The sda->index parameter value provides + * the index into in_scaling. + * + * NOTE: The chip expects the first 2 inputs be 2.5 and 2.25 volts + * respectively. That doesn't mean that's what the motherboard provides. :) + */ + +static int asc7621_in_scaling[] = { + 3320, 3000, 4380, 6640, 16000 +}; + +static ssize_t show_in10(struct device *dev, struct device_attribute *attr, + char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u16 regval; + u8 nr = sda->index; + + mutex_lock(&data->update_lock); + regval = (data->reg[param->msb[0]] * asc7621_in_scaling[nr]) / 256; + + /* The LSB value is a 2-bit scaling of the MSB's LSbit value. + * I.E. If the maximim voltage for this input is 6640 millivolts then + * a MSB register value of 0 = 0mv and 255 = 6640mv. + * A 1 step change therefore represents 25.9mv (6640 / 256). + * The extra 2-bits therefore represent increments of 6.48mv. + */ + regval += ((asc7621_in_scaling[nr] / 256) / 4) * + (data->reg[param->lsb[0]] >> 6); + + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%u\n", regval); +} + +/* 8 bit voltage values (the mins and maxs) */ +static ssize_t show_in8(struct device *dev, struct device_attribute *attr, + char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 nr = sda->index; + + return sprintf(buf, "%u\n", + ((data->reg[param->msb[0]] * + asc7621_in_scaling[nr]) / 256)); +} + +static ssize_t store_in8(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + u8 nr = sda->index; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + reqval = SENSORS_LIMIT(reqval, 0, asc7621_in_scaling[nr]); + + reqval = (reqval * 255 + 128) / asc7621_in_scaling[nr]; + + mutex_lock(&data->update_lock); + data->reg[param->msb[0]] = reqval; + write_byte(client, param->msb[0], reqval); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t show_temp8(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + + return sprintf(buf, "%d\n", ((s8) data->reg[param->msb[0]]) * 1000); +} + +static ssize_t store_temp8(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + s8 temp; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + reqval = SENSORS_LIMIT(reqval, -127000, 127000); + + temp = reqval / 1000; + + mutex_lock(&data->update_lock); + data->reg[param->msb[0]] = temp; + write_byte(client, param->msb[0], temp); + mutex_unlock(&data->update_lock); + return count; +} + +/* + * Temperatures that occupy 2 bytes always have the whole + * number of degrees in the MSB with some part of the LSB + * indicating fractional degrees. + */ + +/* mmmmmmmm.llxxxxxx */ +static ssize_t show_temp10(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 msb, lsb; + int temp; + + mutex_lock(&data->update_lock); + msb = data->reg[param->msb[0]]; + lsb = (data->reg[param->lsb[0]] >> 6) & 0x03; + temp = (((s8) msb) * 1000) + (lsb * 250); + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%d\n", temp); +} + +/* mmmmmm.ll */ +static ssize_t show_temp62(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 regval = data->reg[param->msb[0]]; + int temp = ((s8) (regval & 0xfc) * 1000) + ((regval & 0x03) * 250); + + return sprintf(buf, "%d\n", temp); +} + +static ssize_t store_temp62(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval, i, f; + s8 temp; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + reqval = SENSORS_LIMIT(reqval, -32000, 31750); + i = reqval / 1000; + f = reqval - (i * 1000); + temp = i << 2; + temp |= f / 250; + + mutex_lock(&data->update_lock); + data->reg[param->msb[0]] = temp; + write_byte(client, param->msb[0], temp); + mutex_unlock(&data->update_lock); + return count; +} + +/* + * The aSC7621 doesn't provide an "auto_point2". Instead, you + * specify the auto_point1 and a range. To keep with the sysfs + * hwmon specs, we synthesize the auto_point_2 from them. + */ + +static u32 asc7621_range_map[] = { + 2000, 2500, 3330, 4000, 5000, 6670, 8000, 10000, + 13330, 16000, 20000, 26670, 32000, 40000, 53330, 80000, +}; + +static ssize_t show_ap2_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + long auto_point1; + u8 regval; + int temp; + + mutex_lock(&data->update_lock); + auto_point1 = ((s8) data->reg[param->msb[1]]) * 1000; + regval = + ((data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]); + temp = auto_point1 + asc7621_range_map[SENSORS_LIMIT(regval, 0, 15)]; + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%d\n", temp); + +} + +static ssize_t store_ap2_temp(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval, auto_point1; + int i; + u8 currval, newval = 0; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + mutex_lock(&data->update_lock); + auto_point1 = data->reg[param->msb[1]] * 1000; + reqval = SENSORS_LIMIT(reqval, auto_point1 + 2000, auto_point1 + 80000); + + for (i = ARRAY_SIZE(asc7621_range_map) - 1; i >= 0; i--) { + if (reqval >= auto_point1 + asc7621_range_map[i]) { + newval = i; + break; + } + } + + newval = (newval & param->mask[0]) << param->shift[0]; + currval = read_byte(client, param->msb[0]); + newval |= (currval & ~(param->mask[0] << param->shift[0])); + data->reg[param->msb[0]] = newval; + write_byte(client, param->msb[0], newval); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t show_pwm_ac(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 config, altbit, regval; + u8 map[] = { + 0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10, + 0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f + }; + + mutex_lock(&data->update_lock); + config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; + altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; + regval = config | (altbit << 3); + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%u\n", map[SENSORS_LIMIT(regval, 0, 15)]); +} + +static ssize_t store_pwm_ac(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + unsigned long reqval; + u8 currval, config, altbit, newval; + u16 map[] = { + 0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06, + 0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, + 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03, + }; + + if (strict_strtoul(buf, 10, &reqval)) + return -EINVAL; + + if (reqval > 31) + return -EINVAL; + + reqval = map[reqval]; + if (reqval == 0xff) + return -EINVAL; + + config = reqval & 0x07; + altbit = (reqval >> 3) & 0x01; + + config = (config & param->mask[0]) << param->shift[0]; + altbit = (altbit & param->mask[1]) << param->shift[1]; + + mutex_lock(&data->update_lock); + currval = read_byte(client, param->msb[0]); + newval = config | (currval & ~(param->mask[0] << param->shift[0])); + newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); + data->reg[param->msb[0]] = newval; + write_byte(client, param->msb[0], newval); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t show_pwm_enable(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 config, altbit, minoff, val, newval; + + mutex_lock(&data->update_lock); + config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; + altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1]; + minoff = (data->reg[param->msb[2]] >> param->shift[2]) & param->mask[2]; + mutex_unlock(&data->update_lock); + + val = config | (altbit << 3); + newval = 0; + + if (val == 3 || val >= 10) + newval = 255; + else if (val == 4) + newval = 0; + else if (val == 7) + newval = 1; + else if (minoff == 1) + newval = 2; + else + newval = 3; + + return sprintf(buf, "%u\n", newval); +} + +static ssize_t store_pwm_enable(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + u8 currval, config, altbit, newval, minoff = 255; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + switch (reqval) { + case 0: + newval = 0x04; + break; + case 1: + newval = 0x07; + break; + case 2: + newval = 0x00; + minoff = 1; + break; + case 3: + newval = 0x00; + minoff = 0; + break; + case 255: + newval = 0x03; + break; + default: + return -EINVAL; + } + + config = newval & 0x07; + altbit = (newval >> 3) & 0x01; + + mutex_lock(&data->update_lock); + config = (config & param->mask[0]) << param->shift[0]; + altbit = (altbit & param->mask[1]) << param->shift[1]; + currval = read_byte(client, param->msb[0]); + newval = config | (currval & ~(param->mask[0] << param->shift[0])); + newval = altbit | (newval & ~(param->mask[1] << param->shift[1])); + data->reg[param->msb[0]] = newval; + write_byte(client, param->msb[0], newval); + if (minoff < 255) { + minoff = (minoff & param->mask[2]) << param->shift[2]; + currval = read_byte(client, param->msb[2]); + newval = + minoff | (currval & ~(param->mask[2] << param->shift[2])); + data->reg[param->msb[2]] = newval; + write_byte(client, param->msb[2], newval); + } + mutex_unlock(&data->update_lock); + return count; +} + +static u32 asc7621_pwm_freq_map[] = { + 10, 15, 23, 30, 38, 47, 62, 94, + 23000, 24000, 25000, 26000, 27000, 28000, 29000, 30000 +}; + +static ssize_t show_pwm_freq(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 regval = + (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; + + regval = SENSORS_LIMIT(regval, 0, 15); + + return sprintf(buf, "%u\n", asc7621_pwm_freq_map[regval]); +} + +static ssize_t store_pwm_freq(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + unsigned long reqval; + u8 currval, newval = 255; + int i; + + if (strict_strtoul(buf, 10, &reqval)) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(asc7621_pwm_freq_map); i++) { + if (reqval == asc7621_pwm_freq_map[i]) { + newval = i; + break; + } + } + if (newval == 255) + return -EINVAL; + + newval = (newval & param->mask[0]) << param->shift[0]; + + mutex_lock(&data->update_lock); + currval = read_byte(client, param->msb[0]); + newval |= (currval & ~(param->mask[0] << param->shift[0])); + data->reg[param->msb[0]] = newval; + write_byte(client, param->msb[0], newval); + mutex_unlock(&data->update_lock); + return count; +} + +static u32 asc7621_pwm_auto_spinup_map[] = { + 0, 100, 250, 400, 700, 1000, 2000, 4000 +}; + +static ssize_t show_pwm_ast(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 regval = + (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; + + regval = SENSORS_LIMIT(regval, 0, 7); + + return sprintf(buf, "%u\n", asc7621_pwm_auto_spinup_map[regval]); + +} + +static ssize_t store_pwm_ast(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + u8 currval, newval = 255; + u32 i; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(asc7621_pwm_auto_spinup_map); i++) { + if (reqval == asc7621_pwm_auto_spinup_map[i]) { + newval = i; + break; + } + } + if (newval == 255) + return -EINVAL; + + newval = (newval & param->mask[0]) << param->shift[0]; + + mutex_lock(&data->update_lock); + currval = read_byte(client, param->msb[0]); + newval |= (currval & ~(param->mask[0] << param->shift[0])); + data->reg[param->msb[0]] = newval; + write_byte(client, param->msb[0], newval); + mutex_unlock(&data->update_lock); + return count; +} + +static u32 asc7621_temp_smoothing_time_map[] = { + 35000, 17600, 11800, 7000, 4400, 3000, 1600, 800 +}; + +static ssize_t show_temp_st(struct device *dev, + struct device_attribute *attr, char *buf) +{ + SETUP_SHOW_data_param(dev, attr); + u8 regval = + (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]; + regval = SENSORS_LIMIT(regval, 0, 7); + + return sprintf(buf, "%u\n", asc7621_temp_smoothing_time_map[regval]); +} + +static ssize_t store_temp_st(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + SETUP_STORE_data_param(dev, attr); + long reqval; + u8 currval, newval = 255; + u32 i; + + if (strict_strtol(buf, 10, &reqval)) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(asc7621_temp_smoothing_time_map); i++) { + if (reqval == asc7621_temp_smoothing_time_map[i]) { + newval = i; + break; + } + } + + if (newval == 255) + return -EINVAL; + + newval = (newval & param->mask[0]) << param->shift[0]; + + mutex_lock(&data->update_lock); + currval = read_byte(client, param->msb[0]); + newval |= (currval & ~(param->mask[0] << param->shift[0])); + data->reg[param->msb[0]] = newval; + write_byte(client, param->msb[0], newval); + mutex_unlock(&data->update_lock); + return count; +} + +/* + * End of data handlers + * + * These defines do nothing more than make the table easier + * to read when wrapped at column 80. + */ + +/* + * Creates a variable length array inititalizer. + * VAA(1,3,5,7) would produce {1,3,5,7} + */ +#define VAA(args...) {args} + +#define PREAD(name, n, pri, rm, rl, m, s, r) \ + {.sda = SENSOR_ATTR(name, S_IRUGO, show_##r, NULL, n), \ + .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ + .shift[0] = s,} + +#define PWRITE(name, n, pri, rm, rl, m, s, r) \ + {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ + .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \ + .shift[0] = s,} + +/* + * PWRITEM assumes that the initializers for the .msb, .lsb, .mask and .shift + * were created using the VAA macro. + */ +#define PWRITEM(name, n, pri, rm, rl, m, s, r) \ + {.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \ + .priority = pri, .msb = rm, .lsb = rl, .mask = m, .shift = s,} + +static struct asc7621_param asc7621_params[] = { + PREAD(in0_input, 0, PRI_HIGH, 0x20, 0x13, 0, 0, in10), + PREAD(in1_input, 1, PRI_HIGH, 0x21, 0x18, 0, 0, in10), + PREAD(in2_input, 2, PRI_HIGH, 0x22, 0x11, 0, 0, in10), + PREAD(in3_input, 3, PRI_HIGH, 0x23, 0x12, 0, 0, in10), + PREAD(in4_input, 4, PRI_HIGH, 0x24, 0x14, 0, 0, in10), + + PWRITE(in0_min, 0, PRI_LOW, 0x44, 0, 0, 0, in8), + PWRITE(in1_min, 1, PRI_LOW, 0x46, 0, 0, 0, in8), + PWRITE(in2_min, 2, PRI_LOW, 0x48, 0, 0, 0, in8), + PWRITE(in3_min, 3, PRI_LOW, 0x4a, 0, 0, 0, in8), + PWRITE(in4_min, 4, PRI_LOW, 0x4c, 0, 0, 0, in8), + + PWRITE(in0_max, 0, PRI_LOW, 0x45, 0, 0, 0, in8), + PWRITE(in1_max, 1, PRI_LOW, 0x47, 0, 0, 0, in8), + PWRITE(in2_max, 2, PRI_LOW, 0x49, 0, 0, 0, in8), + PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8), + PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8), + + PREAD(in0_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 0, bitmask), + PREAD(in1_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 1, bitmask), + PREAD(in2_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 2, bitmask), + PREAD(in3_alarm, 3, PRI_LOW, 0x41, 0, 0x01, 3, bitmask), + PREAD(in4_alarm, 4, PRI_LOW, 0x42, 0, 0x01, 0, bitmask), + + PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16), + PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16), + PREAD(fan3_input, 2, PRI_HIGH, 0x2d, 0x2c, 0, 0, fan16), + PREAD(fan4_input, 3, PRI_HIGH, 0x2f, 0x2e, 0, 0, fan16), + + PWRITE(fan1_min, 0, PRI_LOW, 0x55, 0x54, 0, 0, fan16), + PWRITE(fan2_min, 1, PRI_LOW, 0x57, 0x56, 0, 0, fan16), + PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16), + PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16), + + PREAD(fan1_alarm, 0, PRI_LOW, 0x42, 0, 0x01, 0, bitmask), + PREAD(fan2_alarm, 1, PRI_LOW, 0x42, 0, 0x01, 1, bitmask), + PREAD(fan3_alarm, 2, PRI_LOW, 0x42, 0, 0x01, 2, bitmask), + PREAD(fan4_alarm, 3, PRI_LOW, 0x42, 0, 0x01, 3, bitmask), + + PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10), + PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10), + PREAD(temp3_input, 2, PRI_HIGH, 0x27, 0x16, 0, 0, temp10), + PREAD(temp4_input, 3, PRI_HIGH, 0x33, 0x17, 0, 0, temp10), + PREAD(temp5_input, 4, PRI_HIGH, 0xf7, 0xf6, 0, 0, temp10), + PREAD(temp6_input, 5, PRI_HIGH, 0xf9, 0xf8, 0, 0, temp10), + PREAD(temp7_input, 6, PRI_HIGH, 0xfb, 0xfa, 0, 0, temp10), + PREAD(temp8_input, 7, PRI_HIGH, 0xfd, 0xfc, 0, 0, temp10), + + PWRITE(temp1_min, 0, PRI_LOW, 0x4e, 0, 0, 0, temp8), + PWRITE(temp2_min, 1, PRI_LOW, 0x50, 0, 0, 0, temp8), + PWRITE(temp3_min, 2, PRI_LOW, 0x52, 0, 0, 0, temp8), + PWRITE(temp4_min, 3, PRI_LOW, 0x34, 0, 0, 0, temp8), + + PWRITE(temp1_max, 0, PRI_LOW, 0x4f, 0, 0, 0, temp8), + PWRITE(temp2_max, 1, PRI_LOW, 0x51, 0, 0, 0, temp8), + PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8), + PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8), + + PREAD(temp1_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 4, bitmask), + PREAD(temp2_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 5, bitmask), + PREAD(temp3_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 6, bitmask), + PREAD(temp4_alarm, 3, PRI_LOW, 0x43, 0, 0x01, 0, bitmask), + + PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask), + PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask), + PWRITE(temp3_source, 2, PRI_LOW, 0x03, 0, 0x07, 4, bitmask), + PWRITE(temp4_source, 3, PRI_LOW, 0x03, 0, 0x07, 0, bitmask), + + PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask), + PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask), + PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x64, 0, 0x01, 3, bitmask), + PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask), + + PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st), + PWRITE(temp2_smoothing_time, 1, PRI_LOW, 0x63, 0, 0x07, 4, temp_st), + PWRITE(temp3_smoothing_time, 2, PRI_LOW, 0x63, 0, 0x07, 0, temp_st), + PWRITE(temp4_smoothing_time, 3, PRI_LOW, 0x3c, 0, 0x07, 0, temp_st), + + PWRITE(temp1_auto_point1_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, + bitmask), + PWRITE(temp2_auto_point1_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, + bitmask), + PWRITE(temp3_auto_point1_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, + bitmask), + PWRITE(temp4_auto_point1_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, + bitmask), + + PREAD(temp1_auto_point2_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4, + bitmask), + PREAD(temp2_auto_point2_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0, + bitmask), + PREAD(temp3_auto_point2_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4, + bitmask), + PREAD(temp4_auto_point2_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0, + bitmask), + + PWRITE(temp1_auto_point1_temp, 0, PRI_LOW, 0x67, 0, 0, 0, temp8), + PWRITE(temp2_auto_point1_temp, 1, PRI_LOW, 0x68, 0, 0, 0, temp8), + PWRITE(temp3_auto_point1_temp, 2, PRI_LOW, 0x69, 0, 0, 0, temp8), + PWRITE(temp4_auto_point1_temp, 3, PRI_LOW, 0x3b, 0, 0, 0, temp8), + + PWRITEM(temp1_auto_point2_temp, 0, PRI_LOW, VAA(0x5f, 0x67), VAA(0), + VAA(0x0f), VAA(4), ap2_temp), + PWRITEM(temp2_auto_point2_temp, 1, PRI_LOW, VAA(0x60, 0x68), VAA(0), + VAA(0x0f), VAA(4), ap2_temp), + PWRITEM(temp3_auto_point2_temp, 2, PRI_LOW, VAA(0x61, 0x69), VAA(0), + VAA(0x0f), VAA(4), ap2_temp), + PWRITEM(temp4_auto_point2_temp, 3, PRI_LOW, VAA(0x3c, 0x3b), VAA(0), + VAA(0x0f), VAA(4), ap2_temp), + + PWRITE(temp1_crit, 0, PRI_LOW, 0x6a, 0, 0, 0, temp8), + PWRITE(temp2_crit, 1, PRI_LOW, 0x6b, 0, 0, 0, temp8), + PWRITE(temp3_crit, 2, PRI_LOW, 0x6c, 0, 0, 0, temp8), + PWRITE(temp4_crit, 3, PRI_LOW, 0x3d, 0, 0, 0, temp8), + + PWRITE(temp5_enable, 4, PRI_LOW, 0x0e, 0, 0x01, 0, bitmask), + PWRITE(temp6_enable, 5, PRI_LOW, 0x0e, 0, 0x01, 1, bitmask), + PWRITE(temp7_enable, 6, PRI_LOW, 0x0e, 0, 0x01, 2, bitmask), + PWRITE(temp8_enable, 7, PRI_LOW, 0x0e, 0, 0x01, 3, bitmask), + + PWRITE(remote1_offset, 0, PRI_LOW, 0x1c, 0, 0, 0, temp62), + PWRITE(remote2_offset, 1, PRI_LOW, 0x1d, 0, 0, 0, temp62), + + PWRITE(pwm1, 0, PRI_HIGH, 0x30, 0, 0, 0, u8), + PWRITE(pwm2, 1, PRI_HIGH, 0x31, 0, 0, 0, u8), + PWRITE(pwm3, 2, PRI_HIGH, 0x32, 0, 0, 0, u8), + + PWRITE(pwm1_invert, 0, PRI_LOW, 0x5c, 0, 0x01, 4, bitmask), + PWRITE(pwm2_invert, 1, PRI_LOW, 0x5d, 0, 0x01, 4, bitmask), + PWRITE(pwm3_invert, 2, PRI_LOW, 0x5e, 0, 0x01, 4, bitmask), + + PWRITEM(pwm1_enable, 0, PRI_LOW, VAA(0x5c, 0x5c, 0x62), VAA(0, 0, 0), + VAA(0x07, 0x01, 0x01), VAA(5, 3, 5), pwm_enable), + PWRITEM(pwm2_enable, 1, PRI_LOW, VAA(0x5d, 0x5d, 0x62), VAA(0, 0, 0), + VAA(0x07, 0x01, 0x01), VAA(5, 3, 6), pwm_enable), + PWRITEM(pwm3_enable, 2, PRI_LOW, VAA(0x5e, 0x5e, 0x62), VAA(0, 0, 0), + VAA(0x07, 0x01, 0x01), VAA(5, 3, 7), pwm_enable), + + PWRITEM(pwm1_auto_channels, 0, PRI_LOW, VAA(0x5c, 0x5c), VAA(0, 0), + VAA(0x07, 0x01), VAA(5, 3), pwm_ac), + PWRITEM(pwm2_auto_channels, 1, PRI_LOW, VAA(0x5d, 0x5d), VAA(0, 0), + VAA(0x07, 0x01), VAA(5, 3), pwm_ac), + PWRITEM(pwm3_auto_channels, 2, PRI_LOW, VAA(0x5e, 0x5e), VAA(0, 0), + VAA(0x07, 0x01), VAA(5, 3), pwm_ac), + + PWRITE(pwm1_auto_point1_pwm, 0, PRI_LOW, 0x64, 0, 0, 0, u8), + PWRITE(pwm2_auto_point1_pwm, 1, PRI_LOW, 0x65, 0, 0, 0, u8), + PWRITE(pwm3_auto_point1_pwm, 2, PRI_LOW, 0x66, 0, 0, 0, u8), + + PWRITE(pwm1_auto_point2_pwm, 0, PRI_LOW, 0x38, 0, 0, 0, u8), + PWRITE(pwm2_auto_point2_pwm, 1, PRI_LOW, 0x39, 0, 0, 0, u8), + PWRITE(pwm3_auto_point2_pwm, 2, PRI_LOW, 0x3a, 0, 0, 0, u8), + + PWRITE(pwm1_freq, 0, PRI_LOW, 0x5f, 0, 0x0f, 0, pwm_freq), + PWRITE(pwm2_freq, 1, PRI_LOW, 0x60, 0, 0x0f, 0, pwm_freq), + PWRITE(pwm3_freq, 2, PRI_LOW, 0x61, 0, 0x0f, 0, pwm_freq), + + PREAD(pwm1_auto_zone_assigned, 0, PRI_LOW, 0, 0, 0x03, 2, bitmask), + PREAD(pwm2_auto_zone_assigned, 1, PRI_LOW, 0, 0, 0x03, 4, bitmask), + PREAD(pwm3_auto_zone_assigned, 2, PRI_LOW, 0, 0, 0x03, 6, bitmask), + + PWRITE(pwm1_auto_spinup_time, 0, PRI_LOW, 0x5c, 0, 0x07, 0, pwm_ast), + PWRITE(pwm2_auto_spinup_time, 1, PRI_LOW, 0x5d, 0, 0x07, 0, pwm_ast), + PWRITE(pwm3_auto_spinup_time, 2, PRI_LOW, 0x5e, 0, 0x07, 0, pwm_ast), + + PWRITE(peci_enable, 0, PRI_LOW, 0x40, 0, 0x01, 4, bitmask), + PWRITE(peci_avg, 0, PRI_LOW, 0x36, 0, 0x07, 0, bitmask), + PWRITE(peci_domain, 0, PRI_LOW, 0x36, 0, 0x01, 3, bitmask), + PWRITE(peci_legacy, 0, PRI_LOW, 0x36, 0, 0x01, 4, bitmask), + PWRITE(peci_diode, 0, PRI_LOW, 0x0e, 0, 0x07, 4, bitmask), + PWRITE(peci_4domain, 0, PRI_LOW, 0x0e, 0, 0x01, 4, bitmask), + +}; + +static struct asc7621_data *asc7621_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct asc7621_data *data = i2c_get_clientdata(client); + int i; + +/* + * The asc7621 chips guarantee consistent reads of multi-byte values + * regardless of the order of the reads. No special logic is needed + * so we can just read the registers in whatever order they appear + * in the asc7621_params array. + */ + + mutex_lock(&data->update_lock); + + /* Read all the high priority registers */ + + if (!data->valid || + time_after(jiffies, data->last_high_reading + INTERVAL_HIGH)) { + + for (i = 0; i < ARRAY_SIZE(asc7621_register_priorities); i++) { + if (asc7621_register_priorities[i] == PRI_HIGH) { + data->reg[i] = + i2c_smbus_read_byte_data(client, i) & 0xff; + } + } + data->last_high_reading = jiffies; + }; /* last_reading */ + + /* Read all the low priority registers. */ + + if (!data->valid || + time_after(jiffies, data->last_low_reading + INTERVAL_LOW)) { + + for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { + if (asc7621_register_priorities[i] == PRI_LOW) { + data->reg[i] = + i2c_smbus_read_byte_data(client, i) & 0xff; + } + } + data->last_low_reading = jiffies; + }; /* last_reading */ + + data->valid = 1; + + mutex_unlock(&data->update_lock); + + return data; +} + +/* + * Standard detection and initialization below + * + * Helper function that checks if an address is valid + * for a particular chip. + */ + +static inline int valid_address_for_chip(int chip_type, int address) +{ + int i; + + for (i = 0; asc7621_chips[chip_type].addresses[i] != I2C_CLIENT_END; + i++) { + if (asc7621_chips[chip_type].addresses[i] == address) + return 1; + } + return 0; +} + +static void asc7621_init_client(struct i2c_client *client) +{ + int value; + + /* Warn if part was not "READY" */ + + value = read_byte(client, 0x40); + + if (value & 0x02) { + dev_err(&client->dev, + "Client (%d,0x%02x) config is locked.\n", + i2c_adapter_id(client->adapter), client->addr); + }; + if (!(value & 0x04)) { + dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", + i2c_adapter_id(client->adapter), client->addr); + }; + +/* + * Start monitoring + * + * Try to clear LOCK, Set START, save everything else + */ + value = (value & ~0x02) | 0x01; + write_byte(client, 0x40, value & 0xff); + +} + +static int +asc7621_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct asc7621_data *data; + int i, err; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EIO; + + data = kzalloc(sizeof(struct asc7621_data), GFP_KERNEL); + if (data == NULL) + return -ENOMEM; + + i2c_set_clientdata(client, data); + data->valid = 0; + mutex_init(&data->update_lock); + + /* Initialize the asc7621 chip */ + asc7621_init_client(client); + + /* Create the sysfs entries */ + for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { + err = + device_create_file(&client->dev, + &(asc7621_params[i].sda.dev_attr)); + if (err) + goto exit_remove; + } + + data->class_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_remove; + } + + return 0; + +exit_remove: + for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { + device_remove_file(&client->dev, + &(asc7621_params[i].sda.dev_attr)); + } + + i2c_set_clientdata(client, NULL); + kfree(data); + return err; +} + +static int asc7621_detect(struct i2c_client *client, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + int company, verstep, chip_index; + struct device *dev; + + dev = &client->dev; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + for (chip_index = FIRST_CHIP; chip_index <= LAST_CHIP; chip_index++) { + + if (!valid_address_for_chip(chip_index, client->addr)) + continue; + + company = read_byte(client, + asc7621_chips[chip_index].company_reg); + verstep = read_byte(client, + asc7621_chips[chip_index].verstep_reg); + + if (company == asc7621_chips[chip_index].company_id && + verstep == asc7621_chips[chip_index].verstep_id) { + strlcpy(client->name, asc7621_chips[chip_index].name, + I2C_NAME_SIZE); + strlcpy(info->type, asc7621_chips[chip_index].name, + I2C_NAME_SIZE); + + dev_info(&adapter->dev, "Matched %s\n", + asc7621_chips[chip_index].name); + return 0; + } + } + + return -ENODEV; +} + +static int asc7621_remove(struct i2c_client *client) +{ + struct asc7621_data *data = i2c_get_clientdata(client); + int i; + + hwmon_device_unregister(data->class_dev); + + for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { + device_remove_file(&client->dev, + &(asc7621_params[i].sda.dev_attr)); + } + + i2c_set_clientdata(client, NULL); + kfree(data); + return 0; +} + +static const struct i2c_device_id asc7621_id[] = { + {"asc7621", asc7621}, + {"asc7621a", asc7621a}, + {}, +}; + +MODULE_DEVICE_TABLE(i2c, asc7621_id); + +static struct i2c_driver asc7621_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "asc7621", + }, + .probe = asc7621_probe, + .remove = asc7621_remove, + .id_table = asc7621_id, + .detect = asc7621_detect, + .address_list = normal_i2c, +}; + +static int __init sm_asc7621_init(void) +{ + int i, j; +/* + * Collect all the registers needed into a single array. + * This way, if a register isn't actually used for anything, + * we don't retrieve it. + */ + + for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) { + for (j = 0; j < ARRAY_SIZE(asc7621_params[i].msb); j++) + asc7621_register_priorities[asc7621_params[i].msb[j]] = + asc7621_params[i].priority; + for (j = 0; j < ARRAY_SIZE(asc7621_params[i].lsb); j++) + asc7621_register_priorities[asc7621_params[i].lsb[j]] = + asc7621_params[i].priority; + } + return i2c_add_driver(&asc7621_driver); +} + +static void __exit sm_asc7621_exit(void) +{ + i2c_del_driver(&asc7621_driver); +} + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("George Joseph"); +MODULE_DESCRIPTION("Andigilog aSC7621 and aSC7621a driver"); + +module_init(sm_asc7621_init); +module_exit(sm_asc7621_exit); diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index 5a3ee00..75f3fa5 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -5,10 +5,12 @@ * See COPYING in the top level directory of the kernel tree. */ +#include <linux/debugfs.h> #include <linux/kernel.h> #include <linux/hwmon.h> #include <linux/list.h> #include <linux/module.h> +#include <linux/slab.h> #include <acpi/acpi.h> #include <acpi/acpixf.h> @@ -101,6 +103,11 @@ struct atk_data { int temperature_count; int fan_count; struct list_head sensor_list; + + struct { + struct dentry *root; + u32 id; + } debugfs; }; @@ -624,6 +631,187 @@ static int atk_read_value(struct atk_sensor_data *sensor, u64 *value) return err; } +#ifdef CONFIG_DEBUG_FS +static int atk_debugfs_gitm_get(void *p, u64 *val) +{ + struct atk_data *data = p; + union acpi_object *ret; + struct atk_acpi_ret_buffer *buf; + int err = 0; + + if (!data->read_handle) + return -ENODEV; + + if (!data->debugfs.id) + return -EINVAL; + + ret = atk_gitm(data, data->debugfs.id); + if (IS_ERR(ret)) + return PTR_ERR(ret); + + buf = (struct atk_acpi_ret_buffer *)ret->buffer.pointer; + if (buf->flags) + *val = buf->value; + else + err = -EIO; + + return err; +} + +DEFINE_SIMPLE_ATTRIBUTE(atk_debugfs_gitm, + atk_debugfs_gitm_get, + NULL, + "0x%08llx\n") + +static int atk_acpi_print(char *buf, size_t sz, union acpi_object *obj) +{ + int ret = 0; + + switch (obj->type) { + case ACPI_TYPE_INTEGER: + ret = snprintf(buf, sz, "0x%08llx\n", obj->integer.value); + break; + case ACPI_TYPE_STRING: + ret = snprintf(buf, sz, "%s\n", obj->string.pointer); + break; + } + + return ret; +} + +static void atk_pack_print(char *buf, size_t sz, union acpi_object *pack) +{ + int ret; + int i; + + for (i = 0; i < pack->package.count; i++) { + union acpi_object *obj = &pack->package.elements[i]; + + ret = atk_acpi_print(buf, sz, obj); + if (ret >= sz) + break; + buf += ret; + sz -= ret; + } +} + +static int atk_debugfs_ggrp_open(struct inode *inode, struct file *file) +{ + struct atk_data *data = inode->i_private; + char *buf = NULL; + union acpi_object *ret; + u8 cls; + int i; + + if (!data->enumerate_handle) + return -ENODEV; + if (!data->debugfs.id) + return -EINVAL; + + cls = (data->debugfs.id & 0xff000000) >> 24; + ret = atk_ggrp(data, cls); + if (IS_ERR(ret)) + return PTR_ERR(ret); + + for (i = 0; i < ret->package.count; i++) { + union acpi_object *pack = &ret->package.elements[i]; + union acpi_object *id; + + if (pack->type != ACPI_TYPE_PACKAGE) + continue; + if (!pack->package.count) + continue; + id = &pack->package.elements[0]; + if (id->integer.value == data->debugfs.id) { + /* Print the package */ + buf = kzalloc(512, GFP_KERNEL); + if (!buf) { + ACPI_FREE(ret); + return -ENOMEM; + } + atk_pack_print(buf, 512, pack); + break; + } + } + ACPI_FREE(ret); + + if (!buf) + return -EINVAL; + + file->private_data = buf; + + return nonseekable_open(inode, file); +} + +static ssize_t atk_debugfs_ggrp_read(struct file *file, char __user *buf, + size_t count, loff_t *pos) +{ + char *str = file->private_data; + size_t len = strlen(str); + + return simple_read_from_buffer(buf, count, pos, str, len); +} + +static int atk_debugfs_ggrp_release(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + +static const struct file_operations atk_debugfs_ggrp_fops = { + .read = atk_debugfs_ggrp_read, + .open = atk_debugfs_ggrp_open, + .release = atk_debugfs_ggrp_release, +}; + +static void atk_debugfs_init(struct atk_data *data) +{ + struct dentry *d; + struct dentry *f; + + data->debugfs.id = 0; + + d = debugfs_create_dir("asus_atk0110", NULL); + if (!d || IS_ERR(d)) + return; + + f = debugfs_create_x32("id", S_IRUSR | S_IWUSR, d, &data->debugfs.id); + if (!f || IS_ERR(f)) + goto cleanup; + + f = debugfs_create_file("gitm", S_IRUSR, d, data, + &atk_debugfs_gitm); + if (!f || IS_ERR(f)) + goto cleanup; + + f = debugfs_create_file("ggrp", S_IRUSR, d, data, + &atk_debugfs_ggrp_fops); + if (!f || IS_ERR(f)) + goto cleanup; + + data->debugfs.root = d; + + return; +cleanup: + debugfs_remove_recursive(d); +} + +static void atk_debugfs_cleanup(struct atk_data *data) +{ + debugfs_remove_recursive(data->debugfs.root); +} + +#else /* CONFIG_DEBUG_FS */ + +static void atk_debugfs_init(struct atk_data *data) +{ +} + +static void atk_debugfs_cleanup(struct atk_data *data) +{ +} +#endif + static int atk_add_sensor(struct atk_data *data, union acpi_object *obj) { struct device *dev = &data->acpi_dev->dev; @@ -1047,76 +1235,75 @@ remove: return err; } -static int atk_check_old_if(struct atk_data *data) +static int atk_probe_if(struct atk_data *data) { struct device *dev = &data->acpi_dev->dev; acpi_handle ret; acpi_status status; + int err = 0; /* RTMP: read temperature */ status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_TMP, &ret); - if (status != AE_OK) { + if (ACPI_SUCCESS(status)) + data->rtmp_handle = ret; + else dev_dbg(dev, "method " METHOD_OLD_READ_TMP " not found: %s\n", acpi_format_exception(status)); - return -ENODEV; - } - data->rtmp_handle = ret; /* RVLT: read voltage */ status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_VLT, &ret); - if (status != AE_OK) { + if (ACPI_SUCCESS(status)) + data->rvlt_handle = ret; + else dev_dbg(dev, "method " METHOD_OLD_READ_VLT " not found: %s\n", acpi_format_exception(status)); - return -ENODEV; - } - data->rvlt_handle = ret; /* RFAN: read fan status */ status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_FAN, &ret); - if (status != AE_OK) { + if (ACPI_SUCCESS(status)) + data->rfan_handle = ret; + else dev_dbg(dev, "method " METHOD_OLD_READ_FAN " not found: %s\n", acpi_format_exception(status)); - return -ENODEV; - } - data->rfan_handle = ret; - - return 0; -} - -static int atk_check_new_if(struct atk_data *data) -{ - struct device *dev = &data->acpi_dev->dev; - acpi_handle ret; - acpi_status status; /* Enumeration */ status = acpi_get_handle(data->atk_handle, METHOD_ENUMERATE, &ret); - if (status != AE_OK) { + if (ACPI_SUCCESS(status)) + data->enumerate_handle = ret; + else dev_dbg(dev, "method " METHOD_ENUMERATE " not found: %s\n", acpi_format_exception(status)); - return -ENODEV; - } - data->enumerate_handle = ret; /* De-multiplexer (read) */ status = acpi_get_handle(data->atk_handle, METHOD_READ, &ret); - if (status != AE_OK) { + if (ACPI_SUCCESS(status)) + data->read_handle = ret; + else dev_dbg(dev, "method " METHOD_READ " not found: %s\n", acpi_format_exception(status)); - return -ENODEV; - } - data->read_handle = ret; /* De-multiplexer (write) */ status = acpi_get_handle(data->atk_handle, METHOD_WRITE, &ret); - if (status != AE_OK) { - dev_dbg(dev, "method " METHOD_READ " not found: %s\n", + if (ACPI_SUCCESS(status)) + data->write_handle = ret; + else + dev_dbg(dev, "method " METHOD_WRITE " not found: %s\n", acpi_format_exception(status)); - return -ENODEV; - } - data->write_handle = ret; - return 0; + /* Check for hwmon methods: first check "old" style methods; note that + * both may be present: in this case we stick to the old interface; + * analysis of multiple DSDTs indicates that when both interfaces + * are present the new one (GGRP/GITM) is not functional. + */ + if (data->rtmp_handle && data->rvlt_handle && data->rfan_handle) + data->old_interface = true; + else if (data->enumerate_handle && data->read_handle && + data->write_handle) + data->old_interface = false; + else + err = -ENODEV; + + return err; } static int atk_add(struct acpi_device *device) @@ -1143,40 +1330,30 @@ static int atk_add(struct acpi_device *device) &buf, ACPI_TYPE_PACKAGE); if (ret != AE_OK) { dev_dbg(&device->dev, "atk: method MBIF not found\n"); - err = -ENODEV; - goto out; + } else { + obj = buf.pointer; + if (obj->package.count >= 2) { + union acpi_object *id = &obj->package.elements[1]; + if (id->type == ACPI_TYPE_STRING) + dev_dbg(&device->dev, "board ID = %s\n", + id->string.pointer); + } + ACPI_FREE(buf.pointer); } - obj = buf.pointer; - if (obj->package.count >= 2 && - obj->package.elements[1].type == ACPI_TYPE_STRING) { - dev_dbg(&device->dev, "board ID = %s\n", - obj->package.elements[1].string.pointer); + err = atk_probe_if(data); + if (err) { + dev_err(&device->dev, "No usable hwmon interface detected\n"); + goto out; } - ACPI_FREE(buf.pointer); - /* Check for hwmon methods: first check "old" style methods; note that - * both may be present: in this case we stick to the old interface; - * analysis of multiple DSDTs indicates that when both interfaces - * are present the new one (GGRP/GITM) is not functional. - */ - err = atk_check_old_if(data); - if (!err) { + if (data->old_interface) { dev_dbg(&device->dev, "Using old hwmon interface\n"); - data->old_interface = true; + err = atk_enumerate_old_hwmon(data); } else { - err = atk_check_new_if(data); - if (err) - goto out; - dev_dbg(&device->dev, "Using new hwmon interface\n"); - data->old_interface = false; - } - - if (data->old_interface) - err = atk_enumerate_old_hwmon(data); - else err = atk_enumerate_new_hwmon(data); + } if (err < 0) goto out; if (err == 0) { @@ -1190,6 +1367,8 @@ static int atk_add(struct acpi_device *device) if (err) goto cleanup; + atk_debugfs_init(data); + device->driver_data = data; return 0; cleanup: @@ -1208,6 +1387,8 @@ static int atk_remove(struct acpi_device *device, int type) device->driver_data = NULL; + atk_debugfs_cleanup(data); + atk_remove_files(data); atk_free_sensors(data); hwmon_device_unregister(data->hwmon_dev); diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index d6b490d..33cc143 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -28,6 +28,7 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> +#include <linux/slab.h> MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("System voltages control via Attansic ATXP1"); @@ -44,17 +45,14 @@ MODULE_AUTHOR("Sebastian Witt <se.witt@gmx.net>"); static const unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END }; -I2C_CLIENT_INSMOD_1(atxp1); - static int atxp1_probe(struct i2c_client *client, const struct i2c_device_id *id); static int atxp1_remove(struct i2c_client *client); static struct atxp1_data * atxp1_update_device(struct device *dev); -static int atxp1_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int atxp1_detect(struct i2c_client *client, struct i2c_board_info *info); static const struct i2c_device_id atxp1_id[] = { - { "atxp1", atxp1 }, + { "atxp1", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, atxp1_id); @@ -68,7 +66,7 @@ static struct i2c_driver atxp1_driver = { .remove = atxp1_remove, .id_table = atxp1_id, .detect = atxp1_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; struct atxp1_data { @@ -275,7 +273,7 @@ static const struct attribute_group atxp1_group = { /* Return 0 if detection is successful, -ENODEV otherwise */ -static int atxp1_detect(struct i2c_client *new_client, int kind, +static int atxp1_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index caef39c..e9b7fbc 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -33,6 +33,7 @@ #include <linux/list.h> #include <linux/platform_device.h> #include <linux/cpu.h> +#include <linux/pci.h> #include <asm/msr.h> #include <asm/processor.h> @@ -161,6 +162,7 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device * int usemsr_ee = 1; int err; u32 eax, edx; + struct pci_dev *host_bridge; /* Early chips have no MSR for TjMax */ @@ -168,11 +170,21 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device * usemsr_ee = 0; } - /* Atoms seems to have TjMax at 90C */ + /* Atom CPUs */ if (c->x86_model == 0x1c) { usemsr_ee = 0; - tjmax = 90000; + + host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); + + if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL + && (host_bridge->device == 0xa000 /* NM10 based nettop */ + || host_bridge->device == 0xa010)) /* NM10 based netbook */ + tjmax = 100000; + else + tjmax = 90000; + + pci_dev_put(host_bridge); } if ((c->x86_model > 0xe) && (usemsr_ee)) { @@ -216,7 +228,7 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device * if (err) { dev_warn(dev, "Unable to access MSR 0xEE, for Tjmax, left" - " at default"); + " at default\n"); } else if (eax & 0x40000000) { tjmax = tjmax_ee; } @@ -454,7 +466,7 @@ static int __init coretemp_init(void) family 6 CPU */ if ((c->x86 == 0x6) && (c->x86_model > 0xf)) printk(KERN_WARNING DRVNAME ": Unknown CPU " - "model %x\n", c->x86_model); + "model 0x%x\n", c->x86_model); continue; } diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index 27d6257..823dd28 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -57,11 +57,7 @@ MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC " /* Addresses to scan */ static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END}; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_2(dme1737, sch5027); - -/* ISA chip types */ -enum isa_chips { sch311x = sch5027 + 1 }; +enum chips { dme1737, sch5027, sch311x }; /* --------------------------------------------------------------------- * Registers @@ -2208,7 +2204,7 @@ exit: } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int dme1737_i2c_detect(struct i2c_client *client, int kind, +static int dme1737_i2c_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -2220,33 +2216,23 @@ static int dme1737_i2c_detect(struct i2c_client *client, int kind, return -ENODEV; } - /* A negative kind means that the driver was loaded with no force - * parameter (default), so we must identify the chip. */ - if (kind < 0) { - company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY); - verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP); - - if (company == DME1737_COMPANY_SMSC && - (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { - kind = dme1737; - } else if (company == DME1737_COMPANY_SMSC && - verstep == SCH5027_VERSTEP) { - kind = sch5027; - } else { - return -ENODEV; - } - } + company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY); + verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP); - if (kind == sch5027) { + if (company == DME1737_COMPANY_SMSC && + verstep == SCH5027_VERSTEP) { name = "sch5027"; - } else { - kind = dme1737; + + } else if (company == DME1737_COMPANY_SMSC && + (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { name = "dme1737"; + } else { + return -ENODEV; } dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n", - kind == sch5027 ? "SCH5027" : "DME1737", client->addr, - verstep); + verstep == SCH5027_VERSTEP ? "SCH5027" : "DME1737", + client->addr, verstep); strlcpy(info->type, name, I2C_NAME_SIZE); return 0; @@ -2328,7 +2314,7 @@ static struct i2c_driver dme1737_i2c_driver = { .remove = dme1737_i2c_remove, .id_table = dme1737_id, .detect = dme1737_i2c_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* --------------------------------------------------------------------- diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index 53f88f5..e113634 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -38,7 +38,6 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(ds1621); static int polarity = -1; module_param(polarity, int, 0); MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low"); @@ -224,7 +223,7 @@ static const struct attribute_group ds1621_group = { /* Return 0 if detection is successful, -ENODEV otherwise */ -static int ds1621_detect(struct i2c_client *client, int kind, +static int ds1621_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -237,20 +236,16 @@ static int ds1621_detect(struct i2c_client *client, int kind, return -ENODEV; /* Now, we do the remaining detection. It is lousy. */ - if (kind < 0) { - /* The NVB bit should be low if no EEPROM write has been - requested during the latest 10ms, which is highly - improbable in our case. */ - conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); - if (conf < 0 || conf & DS1621_REG_CONFIG_NVB) + /* The NVB bit should be low if no EEPROM write has been requested + during the latest 10ms, which is highly improbable in our case. */ + conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); + if (conf < 0 || conf & DS1621_REG_CONFIG_NVB) + return -ENODEV; + /* The 7 lowest bits of a temperature should always be 0. */ + for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) { + temp = i2c_smbus_read_word_data(client, DS1621_REG_TEMP[i]); + if (temp < 0 || (temp & 0x7f00)) return -ENODEV; - /* The 7 lowest bits of a temperature should always be 0. */ - for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) { - temp = i2c_smbus_read_word_data(client, - DS1621_REG_TEMP[i]); - if (temp < 0 || (temp & 0x7f00)) - return -ENODEV; - } } strlcpy(info->type, "ds1621", I2C_NAME_SIZE); @@ -309,8 +304,8 @@ static int ds1621_remove(struct i2c_client *client) } static const struct i2c_device_id ds1621_id[] = { - { "ds1621", ds1621 }, - { "ds1625", ds1621 }, + { "ds1621", 0 }, + { "ds1625", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, ds1621_id); @@ -325,7 +320,7 @@ static struct i2c_driver ds1621_driver = { .remove = ds1621_remove, .id_table = ds1621_id, .detect = ds1621_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int __init ds1621_init(void) diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 4146105..a95fa42 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -48,6 +48,7 @@ #define SIO_F71858_ID 0x0507 /* Chipset ID */ #define SIO_F71862_ID 0x0601 /* Chipset ID */ #define SIO_F71882_ID 0x0541 /* Chipset ID */ +#define SIO_F71889_ID 0x0723 /* Chipset ID */ #define SIO_F8000_ID 0x0581 /* Chipset ID */ #define REGION_LENGTH 8 @@ -95,12 +96,13 @@ static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); -enum chips { f71858fg, f71862fg, f71882fg, f8000 }; +enum chips { f71858fg, f71862fg, f71882fg, f71889fg, f8000 }; static const char *f71882fg_names[] = { "f71858fg", "f71862fg", "f71882fg", + "f71889fg", "f8000", }; @@ -155,7 +157,7 @@ struct f71882fg_data { u8 pwm_auto_point_hyst[2]; u8 pwm_auto_point_mapping[4]; u8 pwm_auto_point_pwm[4][5]; - u8 pwm_auto_point_temp[4][4]; + s8 pwm_auto_point_temp[4][4]; }; /* Sysfs in */ @@ -258,7 +260,9 @@ static struct platform_driver f71882fg_driver = { static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -/* Temp and in attr for the f71858fg */ +/* Temp and in attr for the f71858fg, the f71858fg is special as it + has its temperature indexes start at 0 (the others start at 1) and + it only has 3 voltage inputs */ static struct sensor_device_attribute_2 f71858fg_in_temp_attr[] = { SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0), SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1), @@ -302,8 +306,8 @@ static struct sensor_device_attribute_2 f71858fg_in_temp_attr[] = { SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 2), }; -/* Temp and in attr common to both the f71862fg and f71882fg */ -static struct sensor_device_attribute_2 f718x2fg_in_temp_attr[] = { +/* Temp and in attr common to the f71862fg, f71882fg and f71889fg */ +static struct sensor_device_attribute_2 fxxxx_in_temp_attr[] = { SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0), SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1), SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2), @@ -371,8 +375,8 @@ static struct sensor_device_attribute_2 f718x2fg_in_temp_attr[] = { SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3), }; -/* Temp and in attr found only on the f71882fg */ -static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = { +/* For models with in1 alarm capability */ +static struct sensor_device_attribute_2 fxxxx_in1_alarm_attr[] = { SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max, 0, 1), SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep, @@ -383,6 +387,7 @@ static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = { /* Temp and in attr for the f8000 Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max) is used as hysteresis value to clear alarms + Also like the f71858fg its temperature indexes start at 0 */ static struct sensor_device_attribute_2 f8000_in_temp_attr[] = { SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0), @@ -413,61 +418,70 @@ static struct sensor_device_attribute_2 f8000_in_temp_attr[] = { }; /* Fan / PWM attr common to all models */ -static struct sensor_device_attribute_2 fxxxx_fan_attr[] = { +static struct sensor_device_attribute_2 fxxxx_fan_attr[4][6] = { { SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0), SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR, show_fan_full_speed, store_fan_full_speed, 0, 0), SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0), - SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1), - SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR, - show_fan_full_speed, - store_fan_full_speed, 0, 1), - SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1), - SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2), - SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR, - show_fan_full_speed, - store_fan_full_speed, 0, 2), - SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2), - SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0), SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable, store_pwm_enable, 0, 0), SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR, show_pwm_interpolate, store_pwm_interpolate, 0, 0), - SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR, - show_pwm_auto_point_channel, - store_pwm_auto_point_channel, 0, 0), - +}, { + SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1), + SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR, + show_fan_full_speed, + store_fan_full_speed, 0, 1), + SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1), SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1), SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable, store_pwm_enable, 0, 1), SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR, show_pwm_interpolate, store_pwm_interpolate, 0, 1), - SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR, - show_pwm_auto_point_channel, - store_pwm_auto_point_channel, 0, 1), - +}, { + SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2), + SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR, + show_fan_full_speed, + store_fan_full_speed, 0, 2), + SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2), SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2), SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable, store_pwm_enable, 0, 2), SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR, show_pwm_interpolate, store_pwm_interpolate, 0, 2), - SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR, - show_pwm_auto_point_channel, - store_pwm_auto_point_channel, 0, 2), -}; +}, { + SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3), + SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR, + show_fan_full_speed, + store_fan_full_speed, 0, 3), + SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3), + SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3), + SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable, + store_pwm_enable, 0, 3), + SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR, + show_pwm_interpolate, store_pwm_interpolate, 0, 3), +} }; -/* Fan / PWM attr for the f71862fg, less pwms and less zones per pwm than the - f71882fg */ -static struct sensor_device_attribute_2 f71862fg_fan_attr[] = { +/* Attr for models which can beep on Fan alarm */ +static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = { SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep, store_fan_beep, 0, 0), SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep, store_fan_beep, 0, 1), SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep, store_fan_beep, 0, 2), + SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep, + store_fan_beep, 0, 3), +}; +/* PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the + f71858fg / f71882fg / f71889fg */ +static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[] = { + SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 0), SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 1, 0), @@ -487,6 +501,9 @@ static struct sensor_device_attribute_2 f71862fg_fan_attr[] = { SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 0), + SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 1), SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 1, 1), @@ -506,6 +523,9 @@ static struct sensor_device_attribute_2 f71862fg_fan_attr[] = { SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 1), + SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 2), SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 1, 2), @@ -526,8 +546,11 @@ static struct sensor_device_attribute_2 f71862fg_fan_attr[] = { show_pwm_auto_point_temp_hyst, NULL, 3, 2), }; -/* Fan / PWM attr common to both the f71882fg and f71858fg */ -static struct sensor_device_attribute_2 f71882fg_f71858fg_fan_attr[] = { +/* PWM attr common to the f71858fg, f71882fg and f71889fg */ +static struct sensor_device_attribute_2 fxxxx_auto_pwm_attr[4][14] = { { + SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 0), SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 0, 0), @@ -565,7 +588,10 @@ static struct sensor_device_attribute_2 f71882fg_f71858fg_fan_attr[] = { show_pwm_auto_point_temp_hyst, NULL, 2, 0), SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 0), - +}, { + SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 1), SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 0, 1), @@ -603,7 +629,10 @@ static struct sensor_device_attribute_2 f71882fg_f71858fg_fan_attr[] = { show_pwm_auto_point_temp_hyst, NULL, 2, 1), SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 1), - +}, { + SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 2), SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 0, 2), @@ -641,30 +670,7 @@ static struct sensor_device_attribute_2 f71882fg_f71858fg_fan_attr[] = { show_pwm_auto_point_temp_hyst, NULL, 2, 2), SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 2), -}; - -/* Fan / PWM attr found on the f71882fg but not on the f71858fg */ -static struct sensor_device_attribute_2 f71882fg_fan_attr[] = { - SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep, - store_fan_beep, 0, 0), - SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep, - store_fan_beep, 0, 1), - SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep, - store_fan_beep, 0, 2), - - SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3), - SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR, - show_fan_full_speed, - store_fan_full_speed, 0, 3), - SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep, - store_fan_beep, 0, 3), - SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3), - - SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3), - SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable, - store_pwm_enable, 0, 3), - SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR, - show_pwm_interpolate, store_pwm_interpolate, 0, 3), +}, { SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR, show_pwm_auto_point_channel, store_pwm_auto_point_channel, 0, 3), @@ -705,14 +711,20 @@ static struct sensor_device_attribute_2 f71882fg_fan_attr[] = { show_pwm_auto_point_temp_hyst, NULL, 2, 3), SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 3), -}; +} }; -/* Fan / PWM attr for the f8000, zones mapped to temp instead of to pwm! - Also the register block at offset A0 maps to TEMP1 (so our temp2, as the - F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0 */ +/* Fan attr specific to the f8000 (4th fan input can only measure speed) */ static struct sensor_device_attribute_2 f8000_fan_attr[] = { SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3), +}; +/* PWM attr for the f8000, zones mapped to temp instead of to pwm! + Also the register block at offset A0 maps to TEMP1 (so our temp2, as the + F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0 */ +static struct sensor_device_attribute_2 f8000_auto_pwm_attr[] = { + SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 0), SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 0, 2), @@ -751,6 +763,9 @@ static struct sensor_device_attribute_2 f8000_fan_attr[] = { SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 2), + SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 1), SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 0, 0), @@ -789,6 +804,9 @@ static struct sensor_device_attribute_2 f8000_fan_attr[] = { SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO, show_pwm_auto_point_temp_hyst, NULL, 3, 0), + SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR, + show_pwm_auto_point_channel, + store_pwm_auto_point_channel, 0, 2), SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR, show_pwm_auto_point_pwm, store_pwm_auto_point_pwm, 0, 1), @@ -929,7 +947,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) /* Update once every 60 seconds */ if ( time_after(jiffies, data->last_limits + 60 * HZ ) || !data->valid) { - if (data->type == f71882fg) { + if (data->type == f71882fg || data->type == f71889fg) { data->in1_max = f71882fg_read8(data, F71882FG_REG_IN1_HIGH); data->in_beep = @@ -951,7 +969,8 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) F71882FG_REG_TEMP_HYST(1)); } - if (data->type == f71862fg || data->type == f71882fg) { + if (data->type == f71862fg || data->type == f71882fg || + data->type == f71889fg) { data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP); data->temp_beep = f71882fg_read8(data, @@ -961,15 +980,33 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) data->temp_type[2] = (reg & 0x04) ? 2 : 4; data->temp_type[3] = (reg & 0x08) ? 2 : 4; } - reg2 = f71882fg_read8(data, F71882FG_REG_PECI); - if ((reg2 & 0x03) == 0x01) - data->temp_type[1] = 6 /* PECI */; - else if ((reg2 & 0x03) == 0x02) - data->temp_type[1] = 5 /* AMDSI */; - else if (data->type == f71862fg || data->type == f71882fg) - data->temp_type[1] = (reg & 0x02) ? 2 : 4; - else - data->temp_type[1] = 2; /* Only supports BJT */ + /* Determine temp index 1 sensor type */ + if (data->type == f71889fg) { + reg2 = f71882fg_read8(data, F71882FG_REG_START); + switch ((reg2 & 0x60) >> 5) { + case 0x00: /* BJT / Thermistor */ + data->temp_type[1] = (reg & 0x02) ? 2 : 4; + break; + case 0x01: /* AMDSI */ + data->temp_type[1] = 5; + break; + case 0x02: /* PECI */ + case 0x03: /* Ibex Peak ?? Report as PECI for now */ + data->temp_type[1] = 6; + break; + } + } else { + reg2 = f71882fg_read8(data, F71882FG_REG_PECI); + if ((reg2 & 0x03) == 0x01) + data->temp_type[1] = 6; /* PECI */ + else if ((reg2 & 0x03) == 0x02) + data->temp_type[1] = 5; /* AMDSI */ + else if (data->type == f71862fg || + data->type == f71882fg) + data->temp_type[1] = (reg & 0x02) ? 2 : 4; + else /* f71858fg and f8000 only support BJT */ + data->temp_type[1] = 2; + } data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE); @@ -1046,7 +1083,7 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) if (data->type == f8000) data->fan[3] = f71882fg_read16(data, F71882FG_REG_FAN(3)); - if (data->type == f71882fg) + if (data->type == f71882fg || data->type == f71889fg) data->in_status = f71882fg_read8(data, F71882FG_REG_IN_STATUS); for (nr = 0; nr < nr_ins; nr++) @@ -1764,7 +1801,11 @@ static ssize_t store_pwm_auto_point_temp(struct device *dev, int pwm = to_sensor_dev_attr_2(devattr)->index; int point = to_sensor_dev_attr_2(devattr)->nr; long val = simple_strtol(buf, NULL, 10) / 1000; - val = SENSORS_LIMIT(val, 0, 255); + + if (data->type == f71889fg) + val = SENSORS_LIMIT(val, -128, 127); + else + val = SENSORS_LIMIT(val, 0, 127); mutex_lock(&data->update_lock); f71882fg_write8(data, F71882FG_REG_POINT_TEMP(pwm, point), val); @@ -1794,6 +1835,15 @@ static int __devinit f71882fg_create_sysfs_files(struct platform_device *pdev, return 0; } +static void f71882fg_remove_sysfs_files(struct platform_device *pdev, + struct sensor_device_attribute_2 *attr, int count) +{ + int i; + + for (i = 0; i < count; i++) + device_remove_file(&pdev->dev, &attr[i].dev_attr); +} + static int __devinit f71882fg_probe(struct platform_device *pdev) { struct f71882fg_data *data; @@ -1846,16 +1896,17 @@ static int __devinit f71882fg_probe(struct platform_device *pdev) ARRAY_SIZE(f71858fg_in_temp_attr)); break; case f71882fg: + case f71889fg: err = f71882fg_create_sysfs_files(pdev, - f71882fg_in_temp_attr, - ARRAY_SIZE(f71882fg_in_temp_attr)); + fxxxx_in1_alarm_attr, + ARRAY_SIZE(fxxxx_in1_alarm_attr)); if (err) goto exit_unregister_sysfs; /* fall through! */ case f71862fg: err = f71882fg_create_sysfs_files(pdev, - f718x2fg_in_temp_attr, - ARRAY_SIZE(f718x2fg_in_temp_attr)); + fxxxx_in_temp_attr, + ARRAY_SIZE(fxxxx_in_temp_attr)); break; case f8000: err = f71882fg_create_sysfs_files(pdev, @@ -1883,6 +1934,7 @@ static int __devinit f71882fg_probe(struct platform_device *pdev) err = (data->pwm_enable & 0x15) != 0x15; break; case f71882fg: + case f71889fg: err = 0; break; case f8000: @@ -1897,34 +1949,55 @@ static int __devinit f71882fg_probe(struct platform_device *pdev) goto exit_unregister_sysfs; } - err = f71882fg_create_sysfs_files(pdev, fxxxx_fan_attr, - ARRAY_SIZE(fxxxx_fan_attr)); + err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[0][0], + ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans); if (err) goto exit_unregister_sysfs; - switch (data->type) { - case f71862fg: - err = f71882fg_create_sysfs_files(pdev, - f71862fg_fan_attr, - ARRAY_SIZE(f71862fg_fan_attr)); - break; - case f71882fg: + if (data->type == f71862fg || data->type == f71882fg || + data->type == f71889fg) { err = f71882fg_create_sysfs_files(pdev, - f71882fg_fan_attr, - ARRAY_SIZE(f71882fg_fan_attr)); + fxxxx_fan_beep_attr, nr_fans); if (err) goto exit_unregister_sysfs; - /* fall through! */ - case f71858fg: + } + + switch (data->type) { + case f71862fg: err = f71882fg_create_sysfs_files(pdev, - f71882fg_f71858fg_fan_attr, - ARRAY_SIZE(f71882fg_f71858fg_fan_attr)); + f71862fg_auto_pwm_attr, + ARRAY_SIZE(f71862fg_auto_pwm_attr)); break; case f8000: err = f71882fg_create_sysfs_files(pdev, f8000_fan_attr, ARRAY_SIZE(f8000_fan_attr)); + if (err) + goto exit_unregister_sysfs; + err = f71882fg_create_sysfs_files(pdev, + f8000_auto_pwm_attr, + ARRAY_SIZE(f8000_auto_pwm_attr)); break; + case f71889fg: + for (i = 0; i < nr_fans; i++) { + data->pwm_auto_point_mapping[i] = + f71882fg_read8(data, + F71882FG_REG_POINT_MAPPING(i)); + if (data->pwm_auto_point_mapping[i] & 0x80) + break; + } + if (i != nr_fans) { + dev_warn(&pdev->dev, + "Auto pwm controlled by raw digital " + "data, disabling pwm auto_point " + "sysfs attributes\n"); + break; + } + /* fall through */ + default: /* f71858fg / f71882fg */ + err = f71882fg_create_sysfs_files(pdev, + &fxxxx_auto_pwm_attr[0][0], + ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans); } if (err) goto exit_unregister_sysfs; @@ -1954,33 +2027,76 @@ exit_free: static int f71882fg_remove(struct platform_device *pdev) { - int i; struct f71882fg_data *data = platform_get_drvdata(pdev); + int nr_fans = (data->type == f71882fg) ? 4 : 3; + u8 start_reg = f71882fg_read8(data, F71882FG_REG_START); platform_set_drvdata(pdev, NULL); if (data->hwmon_dev) hwmon_device_unregister(data->hwmon_dev); - /* Note we are not looping over all attr arrays we have as the ones - below are supersets of the ones skipped. */ device_remove_file(&pdev->dev, &dev_attr_name); - for (i = 0; i < ARRAY_SIZE(f718x2fg_in_temp_attr); i++) - device_remove_file(&pdev->dev, - &f718x2fg_in_temp_attr[i].dev_attr); - - for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) - device_remove_file(&pdev->dev, - &f71882fg_in_temp_attr[i].dev_attr); + if (start_reg & 0x01) { + switch (data->type) { + case f71858fg: + if (data->temp_config & 0x10) + f71882fg_remove_sysfs_files(pdev, + f8000_in_temp_attr, + ARRAY_SIZE(f8000_in_temp_attr)); + else + f71882fg_remove_sysfs_files(pdev, + f71858fg_in_temp_attr, + ARRAY_SIZE(f71858fg_in_temp_attr)); + break; + case f71882fg: + case f71889fg: + f71882fg_remove_sysfs_files(pdev, + fxxxx_in1_alarm_attr, + ARRAY_SIZE(fxxxx_in1_alarm_attr)); + /* fall through! */ + case f71862fg: + f71882fg_remove_sysfs_files(pdev, + fxxxx_in_temp_attr, + ARRAY_SIZE(fxxxx_in_temp_attr)); + break; + case f8000: + f71882fg_remove_sysfs_files(pdev, + f8000_in_temp_attr, + ARRAY_SIZE(f8000_in_temp_attr)); + break; + } + } - for (i = 0; i < ARRAY_SIZE(fxxxx_fan_attr); i++) - device_remove_file(&pdev->dev, &fxxxx_fan_attr[i].dev_attr); + if (start_reg & 0x02) { + f71882fg_remove_sysfs_files(pdev, &fxxxx_fan_attr[0][0], + ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans); - for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) - device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr); + if (data->type == f71862fg || data->type == f71882fg || + data->type == f71889fg) + f71882fg_remove_sysfs_files(pdev, + fxxxx_fan_beep_attr, nr_fans); - for (i = 0; i < ARRAY_SIZE(f8000_fan_attr); i++) - device_remove_file(&pdev->dev, &f8000_fan_attr[i].dev_attr); + switch (data->type) { + case f71862fg: + f71882fg_remove_sysfs_files(pdev, + f71862fg_auto_pwm_attr, + ARRAY_SIZE(f71862fg_auto_pwm_attr)); + break; + case f8000: + f71882fg_remove_sysfs_files(pdev, + f8000_fan_attr, + ARRAY_SIZE(f8000_fan_attr)); + f71882fg_remove_sysfs_files(pdev, + f8000_auto_pwm_attr, + ARRAY_SIZE(f8000_auto_pwm_attr)); + break; + default: /* f71858fg / f71882fg / f71889fg */ + f71882fg_remove_sysfs_files(pdev, + &fxxxx_auto_pwm_attr[0][0], + ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans); + } + } kfree(data); @@ -2012,11 +2128,15 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address, case SIO_F71882_ID: sio_data->type = f71882fg; break; + case SIO_F71889_ID: + sio_data->type = f71889fg; + break; case SIO_F8000_ID: sio_data->type = f8000; break; default: - printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n"); + printk(KERN_INFO DRVNAME ": Unsupported Fintek device: %04x\n", + (unsigned int)devid); goto exit; } diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index e2107e5..bad2cf3 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -35,12 +35,12 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/f75375s.h> +#include <linux/slab.h> /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_2(f75373, f75375); +enum chips { f75373, f75375 }; /* Fintek F75375 registers */ #define F75375_REG_CONFIG0 0x0 @@ -113,7 +113,7 @@ struct f75375_data { s8 temp_max_hyst[2]; }; -static int f75375_detect(struct i2c_client *client, int kind, +static int f75375_detect(struct i2c_client *client, struct i2c_board_info *info); static int f75375_probe(struct i2c_client *client, const struct i2c_device_id *id); @@ -135,7 +135,7 @@ static struct i2c_driver f75375_driver = { .remove = f75375_remove, .id_table = f75375_id, .detect = f75375_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static inline int f75375_read8(struct i2c_client *client, u8 reg) @@ -677,34 +677,24 @@ static int f75375_remove(struct i2c_client *client) } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int f75375_detect(struct i2c_client *client, int kind, +static int f75375_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - u8 version = 0; - const char *name = ""; - - if (kind < 0) { - u16 vendid = f75375_read16(client, F75375_REG_VENDOR); - u16 chipid = f75375_read16(client, F75375_CHIP_ID); - version = f75375_read8(client, F75375_REG_VERSION); - if (chipid == 0x0306 && vendid == 0x1934) { - kind = f75375; - } else if (chipid == 0x0204 && vendid == 0x1934) { - kind = f75373; - } else { - dev_err(&adapter->dev, - "failed,%02X,%02X,%02X\n", - chipid, version, vendid); - return -ENODEV; - } - } + u16 vendid, chipid; + u8 version; + const char *name; - if (kind == f75375) { + vendid = f75375_read16(client, F75375_REG_VENDOR); + chipid = f75375_read16(client, F75375_CHIP_ID); + if (chipid == 0x0306 && vendid == 0x1934) name = "f75375"; - } else if (kind == f75373) { + else if (chipid == 0x0204 && vendid == 0x1934) name = "f75373"; - } + else + return -ENODEV; + + version = f75375_read8(client, F75375_REG_VERSION); dev_info(&adapter->dev, "found %s version: %02X\n", name, version); strlcpy(info->type, name, I2C_NAME_SIZE); diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index da1b1f9..0627f7a 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -56,7 +56,8 @@ static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -I2C_CLIENT_INSMOD_7(fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl); + +enum chips { fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl }; /* * The FSCHMD registers and other defines @@ -221,7 +222,7 @@ static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 }; static int fschmd_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int fschmd_detect(struct i2c_client *client, int kind, +static int fschmd_detect(struct i2c_client *client, struct i2c_board_info *info); static int fschmd_remove(struct i2c_client *client); static struct fschmd_data *fschmd_update_device(struct device *dev); @@ -251,7 +252,7 @@ static struct i2c_driver fschmd_driver = { .remove = fschmd_remove, .id_table = fschmd_id, .detect = fschmd_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -266,7 +267,7 @@ struct fschmd_data { struct list_head list; /* member of the watchdog_data_list */ struct kref kref; struct miscdevice watchdog_miscdev; - int kind; + enum chips kind; unsigned long watchdog_is_open; char watchdog_expect_close; char watchdog_name[10]; /* must be unique to avoid sysfs conflict */ @@ -324,8 +325,7 @@ static ssize_t show_in_value(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = fschmd_update_device(dev); - /* fscher / fschrc - 1 as data->kind is an array index, not a chips */ - if (data->kind == (fscher - 1) || data->kind >= (fschrc - 1)) + if (data->kind == fscher || data->kind >= fschrc) return sprintf(buf, "%d\n", (data->volt[index] * dmi_vref * dmi_mult[index]) / 255 + dmi_offset[index]); else @@ -491,7 +491,7 @@ static ssize_t show_pwm_auto_point1_pwm(struct device *dev, int val = data->fan_min[index]; /* 0 = allow turning off (except on the syl), 1-255 = 50-100% */ - if (val || data->kind == fscsyl - 1) + if (val || data->kind == fscsyl) val = val / 2 + 128; return sprintf(buf, "%d\n", val); @@ -505,7 +505,7 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev, unsigned long v = simple_strtoul(buf, NULL, 10); /* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */ - if (v || data->kind == fscsyl - 1) { + if (v || data->kind == fscsyl) { v = SENSORS_LIMIT(v, 128, 255); v = (v - 128) * 2 + 1; } @@ -767,6 +767,7 @@ leave: static int watchdog_open(struct inode *inode, struct file *filp) { struct fschmd_data *pos, *data = NULL; + int watchdog_is_open; /* We get called from drivers/char/misc.c with misc_mtx hold, and we call misc_register() from fschmd_probe() with watchdog_data_mutex @@ -781,10 +782,12 @@ static int watchdog_open(struct inode *inode, struct file *filp) } } /* Note we can never not have found data, so we don't check for this */ - kref_get(&data->kref); + watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open); + if (!watchdog_is_open) + kref_get(&data->kref); mutex_unlock(&watchdog_data_mutex); - if (test_and_set_bit(0, &data->watchdog_is_open)) + if (watchdog_is_open) return -EBUSY; /* Start the watchdog */ @@ -1000,45 +1003,40 @@ static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy) } } -static int fschmd_detect(struct i2c_client *client, int kind, +static int fschmd_detect(struct i2c_client *client, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; + char id[4]; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; /* Detect & Identify the chip */ - if (kind <= 0) { - char id[4]; - - id[0] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_0); - id[1] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_1); - id[2] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_2); - id[3] = '\0'; - - if (!strcmp(id, "PEG")) - kind = fscpos; - else if (!strcmp(id, "HER")) - kind = fscher; - else if (!strcmp(id, "SCY")) - kind = fscscy; - else if (!strcmp(id, "HRC")) - kind = fschrc; - else if (!strcmp(id, "HMD")) - kind = fschmd; - else if (!strcmp(id, "HDS")) - kind = fschds; - else if (!strcmp(id, "SYL")) - kind = fscsyl; - else - return -ENODEV; - } + id[0] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_0); + id[1] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_1); + id[2] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_2); + id[3] = '\0'; + + if (!strcmp(id, "PEG")) + kind = fscpos; + else if (!strcmp(id, "HER")) + kind = fscher; + else if (!strcmp(id, "SCY")) + kind = fscscy; + else if (!strcmp(id, "HRC")) + kind = fschrc; + else if (!strcmp(id, "HMD")) + kind = fschmd; + else if (!strcmp(id, "HDS")) + kind = fschds; + else if (!strcmp(id, "SYL")) + kind = fscsyl; + else + return -ENODEV; - strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE); + strlcpy(info->type, fschmd_id[kind].name, I2C_NAME_SIZE); return 0; } @@ -1066,6 +1064,7 @@ static int fschmd_probe(struct i2c_client *client, (where the client is found through a data ptr instead of the otherway around) */ data->client = client; + data->kind = kind; if (kind == fscpos) { /* The Poseidon has hardwired temp limits, fill these @@ -1086,9 +1085,6 @@ static int fschmd_probe(struct i2c_client *client, } } - /* i2c kind goes from 1-6, we want from 0-5 to address arrays */ - data->kind = kind - 1; - /* Read in some never changing registers */ data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION); data->global_control = i2c_smbus_read_byte_data(client, diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c index 19c01a49..09ea12e 100644 --- a/drivers/hwmon/g760a.c +++ b/drivers/hwmon/g760a.c @@ -68,7 +68,7 @@ struct g760a_data { #define PWM_FROM_CNT(cnt) (0xff-(cnt)) #define PWM_TO_CNT(pwm) (0xff-(pwm)) -unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div) +static inline unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div) { return ((val == 0x00) ? 0 : ((clk*30)/(val*div))); } diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c index 7820df4..e7ae574 100644 --- a/drivers/hwmon/gl518sm.c +++ b/drivers/hwmon/gl518sm.c @@ -46,8 +46,7 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_2(gl518sm_r00, gl518sm_r80); +enum chips { gl518sm_r00, gl518sm_r80 }; /* Many GL518 constants specified below */ @@ -139,8 +138,7 @@ struct gl518_data { static int gl518_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int gl518_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int gl518_detect(struct i2c_client *client, struct i2c_board_info *info); static void gl518_init_client(struct i2c_client *client); static int gl518_remove(struct i2c_client *client); static int gl518_read_value(struct i2c_client *client, u8 reg); @@ -163,7 +161,7 @@ static struct i2c_driver gl518_driver = { .remove = gl518_remove, .id_table = gl518_id, .detect = gl518_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -484,40 +482,24 @@ static const struct attribute_group gl518_group_r80 = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int gl518_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +static int gl518_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; - int i; + int rev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; /* Now, we do the remaining detection. */ - - if (kind < 0) { - if ((gl518_read_value(client, GL518_REG_CHIP_ID) != 0x80) - || (gl518_read_value(client, GL518_REG_CONF) & 0x80)) - return -ENODEV; - } + if ((gl518_read_value(client, GL518_REG_CHIP_ID) != 0x80) + || (gl518_read_value(client, GL518_REG_CONF) & 0x80)) + return -ENODEV; /* Determine the chip type. */ - if (kind <= 0) { - i = gl518_read_value(client, GL518_REG_REVISION); - if (i == 0x00) { - kind = gl518sm_r00; - } else if (i == 0x80) { - kind = gl518sm_r80; - } else { - if (kind <= 0) - dev_info(&adapter->dev, - "Ignoring 'force' parameter for unknown " - "chip at adapter %d, address 0x%02x\n", - i2c_adapter_id(adapter), client->addr); - return -ENODEV; - } - } + rev = gl518_read_value(client, GL518_REG_REVISION); + if (rev != 0x00 && rev != 0x80) + return -ENODEV; strlcpy(info->type, "gl518sm", I2C_NAME_SIZE); diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c index 19616f2..ec58802 100644 --- a/drivers/hwmon/gl520sm.c +++ b/drivers/hwmon/gl520sm.c @@ -41,9 +41,6 @@ MODULE_PARM_DESC(extra_sensor_type, "Type of extra sensor (0=autodetect, 1=tempe /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(gl520sm); - /* Many GL520 constants specified below One of the inputs can be configured as either temp or voltage. That's why _TEMP2 and _IN4 access the same register @@ -81,8 +78,7 @@ static const u8 GL520_REG_TEMP_MAX_HYST[] = { 0x06, 0x18 }; static int gl520_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int gl520_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int gl520_detect(struct i2c_client *client, struct i2c_board_info *info); static void gl520_init_client(struct i2c_client *client); static int gl520_remove(struct i2c_client *client); static int gl520_read_value(struct i2c_client *client, u8 reg); @@ -91,7 +87,7 @@ static struct gl520_data *gl520_update_device(struct device *dev); /* Driver data */ static const struct i2c_device_id gl520_id[] = { - { "gl520sm", gl520sm }, + { "gl520sm", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, gl520_id); @@ -105,7 +101,7 @@ static struct i2c_driver gl520_driver = { .remove = gl520_remove, .id_table = gl520_id, .detect = gl520_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* Client data */ @@ -681,8 +677,7 @@ static const struct attribute_group gl520_group_opt = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int gl520_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +static int gl520_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -691,13 +686,11 @@ static int gl520_detect(struct i2c_client *client, int kind, return -ENODEV; /* Determine the chip type. */ - if (kind < 0) { - if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || - ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || - ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { - dev_dbg(&client->dev, "Unknown chip type, skipping\n"); - return -ENODEV; - } + if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || + ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || + ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { + dev_dbg(&client->dev, "Unknown chip type, skipping\n"); + return -ENODEV; } strlcpy(info->type, "gl520sm", I2C_NAME_SIZE); diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c index 27d7f72..e880e2c 100644 --- a/drivers/hwmon/i5k_amb.c +++ b/drivers/hwmon/i5k_amb.c @@ -30,6 +30,7 @@ #include <linux/log2.h> #include <linux/pci.h> #include <linux/platform_device.h> +#include <linux/slab.h> #define DRVNAME "i5k_amb" diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c index 405d3fb..eaee546 100644 --- a/drivers/hwmon/ibmaem.c +++ b/drivers/hwmon/ibmaem.c @@ -29,6 +29,7 @@ #include <linux/kdev_t.h> #include <linux/spinlock.h> #include <linux/idr.h> +#include <linux/slab.h> #include <linux/sched.h> #include <linux/platform_device.h> #include <linux/math64.h> diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c index a363633..06d4eaf 100644 --- a/drivers/hwmon/ibmpex.c +++ b/drivers/hwmon/ibmpex.c @@ -25,6 +25,7 @@ #include <linux/hwmon-sysfs.h> #include <linux/jiffies.h> #include <linux/mutex.h> +#include <linux/slab.h> #define REFRESH_INTERVAL (2 * HZ) #define DRVNAME "ibmpex" diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index a3749cb..1002bef 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -1,40 +1,40 @@ /* - it87.c - Part of lm_sensors, Linux kernel modules for hardware - monitoring. - - The IT8705F is an LPC-based Super I/O part that contains UARTs, a - parallel port, an IR port, a MIDI port, a floppy controller, etc., in - addition to an Environment Controller (Enhanced Hardware Monitor and - Fan Controller) - - This driver supports only the Environment Controller in the IT8705F and - similar parts. The other devices are supported by different drivers. - - Supports: IT8705F Super I/O chip w/LPC interface - IT8712F Super I/O chip w/LPC interface - IT8716F Super I/O chip w/LPC interface - IT8718F Super I/O chip w/LPC interface - IT8720F Super I/O chip w/LPC interface - IT8726F Super I/O chip w/LPC interface - Sis950 A clone of the IT8705F - - Copyright (C) 2001 Chris Gauthron - Copyright (C) 2005-2007 Jean Delvare <khali@linux-fr.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ + * it87.c - Part of lm_sensors, Linux kernel modules for hardware + * monitoring. + * + * The IT8705F is an LPC-based Super I/O part that contains UARTs, a + * parallel port, an IR port, a MIDI port, a floppy controller, etc., in + * addition to an Environment Controller (Enhanced Hardware Monitor and + * Fan Controller) + * + * This driver supports only the Environment Controller in the IT8705F and + * similar parts. The other devices are supported by different drivers. + * + * Supports: IT8705F Super I/O chip w/LPC interface + * IT8712F Super I/O chip w/LPC interface + * IT8716F Super I/O chip w/LPC interface + * IT8718F Super I/O chip w/LPC interface + * IT8720F Super I/O chip w/LPC interface + * IT8726F Super I/O chip w/LPC interface + * Sis950 A clone of the IT8705F + * + * Copyright (C) 2001 Chris Gauthron + * Copyright (C) 2005-2010 Jean Delvare <khali@linux-fr.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ #include <linux/module.h> #include <linux/init.h> @@ -124,8 +124,11 @@ superio_exit(void) #define IT87_BASE_REG 0x60 /* Logical device 7 registers (IT8712F and later) */ +#define IT87_SIO_GPIO3_REG 0x27 +#define IT87_SIO_GPIO5_REG 0x29 #define IT87_SIO_PINX2_REG 0x2c /* Pin selection */ #define IT87_SIO_VID_REG 0xfc /* VID value */ +#define IT87_SIO_BEEP_PIN_REG 0xf6 /* Beep pin mapping */ /* Update battery voltage after every reading if true */ static int update_vbat; @@ -185,9 +188,13 @@ static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 }; #define IT87_REG_VIN_ENABLE 0x50 #define IT87_REG_TEMP_ENABLE 0x51 +#define IT87_REG_BEEP_ENABLE 0x5c #define IT87_REG_CHIPID 0x58 +#define IT87_REG_AUTO_TEMP(nr, i) (0x60 + (nr) * 8 + (i)) +#define IT87_REG_AUTO_PWM(nr, i) (0x65 + (nr) * 8 + (i)) + #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) #define IN_FROM_REG(val) ((val) * 16) @@ -244,7 +251,10 @@ struct it87_sio_data { /* Values read from Super-I/O config space */ u8 revision; u8 vid_value; - /* Values set based on DMI strings */ + u8 beep_pin; + /* Features skipped based on config or DMI */ + u8 skip_vid; + u8 skip_fan; u8 skip_pwm; }; @@ -275,9 +285,21 @@ struct it87_data { u8 vid; /* Register encoding, combined */ u8 vrm; u32 alarms; /* Register encoding, combined */ + u8 beeps; /* Register encoding */ u8 fan_main_ctrl; /* Register value */ u8 fan_ctl; /* Register value */ - u8 manual_pwm_ctl[3]; /* manual PWM value set by user */ + + /* The following 3 arrays correspond to the same registers. The + * meaning of bits 6-0 depends on the value of bit 7, and we want + * to preserve settings on mode changes, so we have to track all + * values separately. */ + u8 pwm_ctrl[3]; /* Register value */ + u8 pwm_duty[3]; /* Manual PWM value set by user (bit 6-0) */ + u8 pwm_temp_map[3]; /* PWM to temp. chan. mapping (bits 1-0) */ + + /* Automatic fan speed control registers */ + u8 auto_pwm[3][4]; /* [nr][3] is hard-coded */ + s8 auto_temp[3][5]; /* [nr][0] is point1_temp_hyst */ }; static inline int has_16bit_fans(const struct it87_data *data) @@ -292,6 +314,15 @@ static inline int has_16bit_fans(const struct it87_data *data) || data->type == it8720; } +static inline int has_old_autopwm(const struct it87_data *data) +{ + /* The old automatic fan speed control interface is implemented + by IT8705F chips up to revision F and IT8712F chips up to + revision G. */ + return (data->type == it87 && data->revision < 0x03) + || (data->type == it8712 && data->revision < 0x08); +} + static int it87_probe(struct platform_device *pdev); static int __devexit it87_remove(struct platform_device *pdev); @@ -348,7 +379,10 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - unsigned long val = simple_strtoul(buf, NULL, 10); + unsigned long val; + + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; mutex_lock(&data->update_lock); data->in_min[nr] = IN_TO_REG(val); @@ -364,7 +398,10 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - unsigned long val = simple_strtoul(buf, NULL, 10); + unsigned long val; + + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; mutex_lock(&data->update_lock); data->in_max[nr] = IN_TO_REG(val); @@ -437,7 +474,10 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; + + if (strict_strtol(buf, 10, &val) < 0) + return -EINVAL; mutex_lock(&data->update_lock); data->temp_high[nr] = TEMP_TO_REG(val); @@ -452,7 +492,10 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; + + if (strict_strtol(buf, 10, &val) < 0) + return -EINVAL; mutex_lock(&data->update_lock); data->temp_low[nr] = TEMP_TO_REG(val); @@ -479,8 +522,9 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = it87_update_device(dev); - u8 reg = data->sensor; /* In case the value is updated while we use it */ - + u8 reg = data->sensor; /* In case the value is updated while + we use it */ + if (reg & (1 << nr)) return sprintf(buf, "3\n"); /* thermal diode */ if (reg & (8 << nr)) @@ -494,7 +538,10 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; + + if (strict_strtol(buf, 10, &val) < 0) + return -EINVAL; mutex_lock(&data->update_lock); @@ -507,9 +554,9 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr, } /* 3 = thermal diode; 4 = thermistor; 0 = disabled */ if (val == 3) - data->sensor |= 1 << nr; + data->sensor |= 1 << nr; else if (val == 4) - data->sensor |= 8 << nr; + data->sensor |= 8 << nr; else if (val != 0) { mutex_unlock(&data->update_lock); return -EINVAL; @@ -527,6 +574,19 @@ show_sensor_offset(2); show_sensor_offset(3); /* 3 Fans */ + +static int pwm_mode(const struct it87_data *data, int nr) +{ + int ctrl = data->fan_main_ctrl & (1 << nr); + + if (ctrl == 0) /* Full speed */ + return 0; + if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */ + return 2; + else /* Manual mode */ + return 1; +} + static ssize_t show_fan(struct device *dev, struct device_attribute *attr, char *buf) { @@ -534,7 +594,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = it87_update_device(dev); - return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); } static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, @@ -544,8 +604,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = it87_update_device(dev); - return sprintf(buf,"%d\n", - FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]))); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], + DIV_FROM_REG(data->fan_div[nr]))); } static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) @@ -556,14 +616,14 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr])); } -static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t show_pwm_enable(struct device *dev, + struct device_attribute *attr, char *buf) { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; struct it87_data *data = it87_update_device(dev); - return sprintf(buf,"%d\n", (data->fan_main_ctrl & (1 << nr)) ? 1 : 0); + return sprintf(buf, "%d\n", pwm_mode(data, nr)); } static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, char *buf) @@ -572,7 +632,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = it87_update_device(dev); - return sprintf(buf,"%d\n", data->manual_pwm_ctl[nr]); + return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm_duty[nr])); } static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr, char *buf) @@ -589,15 +649,24 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; u8 reg; + if (strict_strtol(buf, 10, &val) < 0) + return -EINVAL; + mutex_lock(&data->update_lock); reg = it87_read_value(data, IT87_REG_FAN_DIV); switch (nr) { - case 0: data->fan_div[nr] = reg & 0x07; break; - case 1: data->fan_div[nr] = (reg >> 3) & 0x07; break; - case 2: data->fan_div[nr] = (reg & 0x40) ? 3 : 1; break; + case 0: + data->fan_div[nr] = reg & 0x07; + break; + case 1: + data->fan_div[nr] = (reg >> 3) & 0x07; + break; + case 2: + data->fan_div[nr] = (reg & 0x40) ? 3 : 1; + break; } data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); @@ -612,10 +681,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - unsigned long val = simple_strtoul(buf, NULL, 10); + unsigned long val; int min; u8 old; + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; + mutex_lock(&data->update_lock); old = it87_read_value(data, IT87_REG_FAN_DIV); @@ -647,6 +719,32 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, mutex_unlock(&data->update_lock); return count; } + +/* Returns 0 if OK, -EINVAL otherwise */ +static int check_trip_points(struct device *dev, int nr) +{ + const struct it87_data *data = dev_get_drvdata(dev); + int i, err = 0; + + if (has_old_autopwm(data)) { + for (i = 0; i < 3; i++) { + if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) + err = -EINVAL; + } + for (i = 0; i < 2; i++) { + if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) + err = -EINVAL; + } + } + + if (err) { + dev_err(dev, "Inconsistent trip points, not switching to " + "automatic mode\n"); + dev_err(dev, "Adjust the trip points and try again\n"); + } + return err; +} + static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { @@ -654,7 +752,16 @@ static ssize_t set_pwm_enable(struct device *dev, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; + + if (strict_strtol(buf, 10, &val) < 0 || val < 0 || val > 2) + return -EINVAL; + + /* Check trip points before switching to automatic mode */ + if (val == 2) { + if (check_trip_points(dev, nr) < 0) + return -EINVAL; + } mutex_lock(&data->update_lock); @@ -665,16 +772,18 @@ static ssize_t set_pwm_enable(struct device *dev, it87_write_value(data, IT87_REG_FAN_CTL, tmp | (1 << nr)); /* set on/off mode */ data->fan_main_ctrl &= ~(1 << nr); - it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl); - } else if (val == 1) { + it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, + data->fan_main_ctrl); + } else { + if (val == 1) /* Manual mode */ + data->pwm_ctrl[nr] = data->pwm_duty[nr]; + else /* Automatic mode */ + data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr]; + it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]); /* set SmartGuardian mode */ data->fan_main_ctrl |= (1 << nr); - it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl); - /* set saved pwm value, clear FAN_CTLX PWM mode bit */ - it87_write_value(data, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr])); - } else { - mutex_unlock(&data->update_lock); - return -EINVAL; + it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, + data->fan_main_ctrl); } mutex_unlock(&data->update_lock); @@ -687,15 +796,19 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; - if (val < 0 || val > 255) + if (strict_strtol(buf, 10, &val) < 0 || val < 0 || val > 255) return -EINVAL; mutex_lock(&data->update_lock); - data->manual_pwm_ctl[nr] = val; - if (data->fan_main_ctrl & (1 << nr)) - it87_write_value(data, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr])); + data->pwm_duty[nr] = PWM_TO_REG(val); + /* If we are in manual mode, write the duty cycle immediately; + * otherwise, just store it for later use. */ + if (!(data->pwm_ctrl[nr] & 0x80)) { + data->pwm_ctrl[nr] = data->pwm_duty[nr]; + it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]); + } mutex_unlock(&data->update_lock); return count; } @@ -703,9 +816,12 @@ static ssize_t set_pwm_freq(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct it87_data *data = dev_get_drvdata(dev); - unsigned long val = simple_strtoul(buf, NULL, 10); + unsigned long val; int i; + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; + /* Search for the nearest available frequency */ for (i = 0; i < 7; i++) { if (val > (pwm_freq[i] + pwm_freq[i+1]) / 2) @@ -720,6 +836,132 @@ static ssize_t set_pwm_freq(struct device *dev, return count; } +static ssize_t show_pwm_temp_map(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + + struct it87_data *data = it87_update_device(dev); + int map; + + if (data->pwm_temp_map[nr] < 3) + map = 1 << data->pwm_temp_map[nr]; + else + map = 0; /* Should never happen */ + return sprintf(buf, "%d\n", map); +} +static ssize_t set_pwm_temp_map(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + + struct it87_data *data = dev_get_drvdata(dev); + long val; + u8 reg; + + /* This check can go away if we ever support automatic fan speed + control on newer chips. */ + if (!has_old_autopwm(data)) { + dev_notice(dev, "Mapping change disabled for safety reasons\n"); + return -EINVAL; + } + + if (strict_strtol(buf, 10, &val) < 0) + return -EINVAL; + + switch (val) { + case (1 << 0): + reg = 0x00; + break; + case (1 << 1): + reg = 0x01; + break; + case (1 << 2): + reg = 0x02; + break; + default: + return -EINVAL; + } + + mutex_lock(&data->update_lock); + data->pwm_temp_map[nr] = reg; + /* If we are in automatic mode, write the temp mapping immediately; + * otherwise, just store it for later use. */ + if (data->pwm_ctrl[nr] & 0x80) { + data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr]; + it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]); + } + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t show_auto_pwm(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct it87_data *data = it87_update_device(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int point = sensor_attr->index; + + return sprintf(buf, "%d\n", PWM_FROM_REG(data->auto_pwm[nr][point])); +} + +static ssize_t set_auto_pwm(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct it87_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int point = sensor_attr->index; + long val; + + if (strict_strtol(buf, 10, &val) < 0 || val < 0 || val > 255) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->auto_pwm[nr][point] = PWM_TO_REG(val); + it87_write_value(data, IT87_REG_AUTO_PWM(nr, point), + data->auto_pwm[nr][point]); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t show_auto_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct it87_data *data = it87_update_device(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int point = sensor_attr->index; + + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->auto_temp[nr][point])); +} + +static ssize_t set_auto_temp(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct it87_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + int nr = sensor_attr->nr; + int point = sensor_attr->index; + long val; + + if (strict_strtol(buf, 10, &val) < 0 || val < -128000 || val > 127000) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->auto_temp[nr][point] = TEMP_TO_REG(val); + it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point), + data->auto_temp[nr][point]); + mutex_unlock(&data->update_lock); + return count; +} #define show_fan_offset(offset) \ static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ @@ -740,7 +982,36 @@ static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ show_pwm, set_pwm, offset - 1); \ static DEVICE_ATTR(pwm##offset##_freq, \ (offset == 1 ? S_IRUGO | S_IWUSR : S_IRUGO), \ - show_pwm_freq, (offset == 1 ? set_pwm_freq : NULL)); + show_pwm_freq, (offset == 1 ? set_pwm_freq : NULL)); \ +static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels_temp, \ + S_IRUGO | S_IWUSR, show_pwm_temp_map, set_pwm_temp_map, \ + offset - 1); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_pwm, \ + S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \ + offset - 1, 0); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_pwm, \ + S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \ + offset - 1, 1); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_pwm, \ + S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \ + offset - 1, 2); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_pwm, \ + S_IRUGO, show_auto_pwm, NULL, offset - 1, 3); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp, \ + S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ + offset - 1, 1); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp_hyst, \ + S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ + offset - 1, 0); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_temp, \ + S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ + offset - 1, 2); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_temp, \ + S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ + offset - 1, 3); \ +static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_temp, \ + S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ + offset - 1, 4); show_pwm_offset(1); show_pwm_offset(2); @@ -771,7 +1042,10 @@ static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr, struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); - int val = simple_strtol(buf, NULL, 10); + long val; + + if (strict_strtol(buf, 10, &val) < 0) + return -EINVAL; mutex_lock(&data->update_lock); data->fan_min[nr] = FAN16_TO_REG(val); @@ -801,7 +1075,8 @@ show_fan16_offset(4); show_fan16_offset(5); /* Alarms */ -static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, + char *buf) { struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%u\n", data->alarms); @@ -832,27 +1107,78 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16); static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17); static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18); -static ssize_t -show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_beep(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct it87_data *data = it87_update_device(dev); + return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1); +} +static ssize_t set_beep(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int bitnr = to_sensor_dev_attr(attr)->index; + struct it87_data *data = dev_get_drvdata(dev); + long val; + + if (strict_strtol(buf, 10, &val) < 0 + || (val != 0 && val != 1)) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE); + if (val) + data->beeps |= (1 << bitnr); + else + data->beeps &= ~(1 << bitnr); + it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps); + mutex_unlock(&data->update_lock); + return count; +} + +static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, + show_beep, set_beep, 1); +static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO, show_beep, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO, show_beep, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO, show_beep, NULL, 1); +static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO, show_beep, NULL, 1); +static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO, show_beep, NULL, 1); +static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO, show_beep, NULL, 1); +static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO, show_beep, NULL, 1); +/* fanX_beep writability is set later */ +static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO, show_beep, set_beep, 0); +static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0); +static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0); +static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0); +static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0); +static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, + show_beep, set_beep, 2); +static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2); +static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_beep, NULL, 2); + +static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, + char *buf) { struct it87_data *data = dev_get_drvdata(dev); return sprintf(buf, "%u\n", data->vrm); } -static ssize_t -store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct it87_data *data = dev_get_drvdata(dev); - u32 val; + unsigned long val; + + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; - val = simple_strtoul(buf, NULL, 10); data->vrm = val; return count; } static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); -static ssize_t -show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, + char *buf) { struct it87_data *data = it87_update_device(dev); return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); @@ -927,51 +1253,176 @@ static const struct attribute_group it87_group = { .attrs = it87_attributes, }; -static struct attribute *it87_attributes_opt[] = { +static struct attribute *it87_attributes_beep[] = { + &sensor_dev_attr_in0_beep.dev_attr.attr, + &sensor_dev_attr_in1_beep.dev_attr.attr, + &sensor_dev_attr_in2_beep.dev_attr.attr, + &sensor_dev_attr_in3_beep.dev_attr.attr, + &sensor_dev_attr_in4_beep.dev_attr.attr, + &sensor_dev_attr_in5_beep.dev_attr.attr, + &sensor_dev_attr_in6_beep.dev_attr.attr, + &sensor_dev_attr_in7_beep.dev_attr.attr, + + &sensor_dev_attr_temp1_beep.dev_attr.attr, + &sensor_dev_attr_temp2_beep.dev_attr.attr, + &sensor_dev_attr_temp3_beep.dev_attr.attr, + NULL +}; + +static const struct attribute_group it87_group_beep = { + .attrs = it87_attributes_beep, +}; + +static struct attribute *it87_attributes_fan16[5][3+1] = { { &sensor_dev_attr_fan1_input16.dev_attr.attr, &sensor_dev_attr_fan1_min16.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + NULL +}, { &sensor_dev_attr_fan2_input16.dev_attr.attr, &sensor_dev_attr_fan2_min16.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + NULL +}, { &sensor_dev_attr_fan3_input16.dev_attr.attr, &sensor_dev_attr_fan3_min16.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + NULL +}, { &sensor_dev_attr_fan4_input16.dev_attr.attr, &sensor_dev_attr_fan4_min16.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + NULL +}, { &sensor_dev_attr_fan5_input16.dev_attr.attr, &sensor_dev_attr_fan5_min16.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + NULL +} }; + +static const struct attribute_group it87_group_fan16[5] = { + { .attrs = it87_attributes_fan16[0] }, + { .attrs = it87_attributes_fan16[1] }, + { .attrs = it87_attributes_fan16[2] }, + { .attrs = it87_attributes_fan16[3] }, + { .attrs = it87_attributes_fan16[4] }, +}; +static struct attribute *it87_attributes_fan[3][4+1] = { { &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan1_min.dev_attr.attr, &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + NULL +}, { &sensor_dev_attr_fan2_input.dev_attr.attr, &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + NULL +}, { &sensor_dev_attr_fan3_input.dev_attr.attr, &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_div.dev_attr.attr, - - &sensor_dev_attr_fan1_alarm.dev_attr.attr, - &sensor_dev_attr_fan2_alarm.dev_attr.attr, &sensor_dev_attr_fan3_alarm.dev_attr.attr, - &sensor_dev_attr_fan4_alarm.dev_attr.attr, - &sensor_dev_attr_fan5_alarm.dev_attr.attr, + NULL +} }; + +static const struct attribute_group it87_group_fan[3] = { + { .attrs = it87_attributes_fan[0] }, + { .attrs = it87_attributes_fan[1] }, + { .attrs = it87_attributes_fan[2] }, +}; + +static const struct attribute_group * +it87_get_fan_group(const struct it87_data *data) +{ + return has_16bit_fans(data) ? it87_group_fan16 : it87_group_fan; +} +static struct attribute *it87_attributes_pwm[3][4+1] = { { &sensor_dev_attr_pwm1_enable.dev_attr.attr, - &sensor_dev_attr_pwm2_enable.dev_attr.attr, - &sensor_dev_attr_pwm3_enable.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, - &sensor_dev_attr_pwm2.dev_attr.attr, - &sensor_dev_attr_pwm3.dev_attr.attr, &dev_attr_pwm1_freq.attr, + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, + NULL +}, { + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, &dev_attr_pwm2_freq.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, + NULL +}, { + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, &dev_attr_pwm3_freq.attr, + &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, + NULL +} }; + +static const struct attribute_group it87_group_pwm[3] = { + { .attrs = it87_attributes_pwm[0] }, + { .attrs = it87_attributes_pwm[1] }, + { .attrs = it87_attributes_pwm[2] }, +}; + +static struct attribute *it87_attributes_autopwm[3][9+1] = { { + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr, + NULL +}, { + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr, + NULL +}, { + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_temp_hyst.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr, + NULL +} }; + +static const struct attribute_group it87_group_autopwm[3] = { + { .attrs = it87_attributes_autopwm[0] }, + { .attrs = it87_attributes_autopwm[1] }, + { .attrs = it87_attributes_autopwm[2] }, +}; + +static struct attribute *it87_attributes_fan_beep[] = { + &sensor_dev_attr_fan1_beep.dev_attr.attr, + &sensor_dev_attr_fan2_beep.dev_attr.attr, + &sensor_dev_attr_fan3_beep.dev_attr.attr, + &sensor_dev_attr_fan4_beep.dev_attr.attr, + &sensor_dev_attr_fan5_beep.dev_attr.attr, +}; +static struct attribute *it87_attributes_vid[] = { &dev_attr_vrm.attr, &dev_attr_cpu0_vid.attr, NULL }; -static const struct attribute_group it87_group_opt = { - .attrs = it87_attributes_opt, +static const struct attribute_group it87_group_vid = { + .attrs = it87_attributes_vid, }; /* SuperIO detection - will change isa_address if a chip is found */ @@ -1028,11 +1479,39 @@ static int __init it87_find(unsigned short *address, chip_type, *address, sio_data->revision); /* Read GPIO config and VID value from LDN 7 (GPIO) */ - if (sio_data->type != it87) { + if (sio_data->type == it87) { + /* The IT8705F doesn't have VID pins at all */ + sio_data->skip_vid = 1; + + /* The IT8705F has a different LD number for GPIO */ + superio_select(5); + sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f; + } else { int reg; superio_select(GPIO); - if (sio_data->type == it8718 || sio_data->type == it8720) + /* We need at least 4 VID pins */ + reg = superio_inb(IT87_SIO_GPIO3_REG); + if (reg & 0x0f) { + pr_info("it87: VID is disabled (pins used for GPIO)\n"); + sio_data->skip_vid = 1; + } + + /* Check if fan3 is there or not */ + if (reg & (1 << 6)) + sio_data->skip_pwm |= (1 << 2); + if (reg & (1 << 7)) + sio_data->skip_fan |= (1 << 2); + + /* Check if fan2 is there or not */ + reg = superio_inb(IT87_SIO_GPIO5_REG); + if (reg & (1 << 1)) + sio_data->skip_pwm |= (1 << 1); + if (reg & (1 << 2)) + sio_data->skip_fan |= (1 << 1); + + if ((sio_data->type == it8718 || sio_data->type == it8720) + && !(sio_data->skip_vid)) sio_data->vid_value = superio_inb(IT87_SIO_VID_REG); reg = superio_inb(IT87_SIO_PINX2_REG); @@ -1040,7 +1519,11 @@ static int __init it87_find(unsigned short *address, pr_info("it87: in3 is VCC (+5V)\n"); if (reg & (1 << 1)) pr_info("it87: in7 is VCCH (+5V Stand-By)\n"); + + sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f; } + if (sio_data->beep_pin) + pr_info("it87: Beeping is supported\n"); /* Disable specific features based on DMI strings */ board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); @@ -1065,14 +1548,46 @@ exit: return err; } +static void it87_remove_files(struct device *dev) +{ + struct it87_data *data = platform_get_drvdata(pdev); + struct it87_sio_data *sio_data = dev->platform_data; + const struct attribute_group *fan_group = it87_get_fan_group(data); + int i; + + sysfs_remove_group(&dev->kobj, &it87_group); + if (sio_data->beep_pin) + sysfs_remove_group(&dev->kobj, &it87_group_beep); + for (i = 0; i < 5; i++) { + if (!(data->has_fan & (1 << i))) + continue; + sysfs_remove_group(&dev->kobj, &fan_group[i]); + if (sio_data->beep_pin) + sysfs_remove_file(&dev->kobj, + it87_attributes_fan_beep[i]); + } + for (i = 0; i < 3; i++) { + if (sio_data->skip_pwm & (1 << 0)) + continue; + sysfs_remove_group(&dev->kobj, &it87_group_pwm[i]); + if (has_old_autopwm(data)) + sysfs_remove_group(&dev->kobj, + &it87_group_autopwm[i]); + } + if (!sio_data->skip_vid) + sysfs_remove_group(&dev->kobj, &it87_group_vid); +} + static int __devinit it87_probe(struct platform_device *pdev) { struct it87_data *data; struct resource *res; struct device *dev = &pdev->dev; struct it87_sio_data *sio_data = dev->platform_data; - int err = 0; + const struct attribute_group *fan_group; + int err = 0, i; int enable_pwm_interface; + int fan_beep_need_rw; static const char *names[] = { "it87", "it8712", @@ -1090,7 +1605,8 @@ static int __devinit it87_probe(struct platform_device *pdev) goto ERROR0; } - if (!(data = kzalloc(sizeof(struct it87_data), GFP_KERNEL))) { + data = kzalloc(sizeof(struct it87_data), GFP_KERNEL); + if (!data) { err = -ENOMEM; goto ERROR1; } @@ -1118,133 +1634,70 @@ static int __devinit it87_probe(struct platform_device *pdev) it87_init_device(pdev); /* Register sysfs hooks */ - if ((err = sysfs_create_group(&dev->kobj, &it87_group))) + err = sysfs_create_group(&dev->kobj, &it87_group); + if (err) goto ERROR2; + if (sio_data->beep_pin) { + err = sysfs_create_group(&dev->kobj, &it87_group_beep); + if (err) + goto ERROR4; + } + /* Do not create fan files for disabled fans */ - if (has_16bit_fans(data)) { - /* 16-bit tachometers */ - if (data->has_fan & (1 << 0)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan1_input16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan1_min16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan1_alarm.dev_attr))) - goto ERROR4; - } - if (data->has_fan & (1 << 1)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan2_input16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan2_min16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan2_alarm.dev_attr))) - goto ERROR4; - } - if (data->has_fan & (1 << 2)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan3_input16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan3_min16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan3_alarm.dev_attr))) - goto ERROR4; - } - if (data->has_fan & (1 << 3)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan4_input16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan4_min16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan4_alarm.dev_attr))) - goto ERROR4; - } - if (data->has_fan & (1 << 4)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan5_input16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan5_min16.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan5_alarm.dev_attr))) - goto ERROR4; - } - } else { - /* 8-bit tachometers with clock divider */ - if (data->has_fan & (1 << 0)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan1_input.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan1_min.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan1_div.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan1_alarm.dev_attr))) - goto ERROR4; - } - if (data->has_fan & (1 << 1)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan2_input.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan2_min.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan2_div.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan2_alarm.dev_attr))) - goto ERROR4; - } - if (data->has_fan & (1 << 2)) { - if ((err = device_create_file(dev, - &sensor_dev_attr_fan3_input.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan3_min.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan3_div.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_fan3_alarm.dev_attr))) + fan_group = it87_get_fan_group(data); + fan_beep_need_rw = 1; + for (i = 0; i < 5; i++) { + if (!(data->has_fan & (1 << i))) + continue; + err = sysfs_create_group(&dev->kobj, &fan_group[i]); + if (err) + goto ERROR4; + + if (sio_data->beep_pin) { + err = sysfs_create_file(&dev->kobj, + it87_attributes_fan_beep[i]); + if (err) goto ERROR4; + if (!fan_beep_need_rw) + continue; + + /* As we have a single beep enable bit for all fans, + * only the first enabled fan has a writable attribute + * for it. */ + if (sysfs_chmod_file(&dev->kobj, + it87_attributes_fan_beep[i], + S_IRUGO | S_IWUSR)) + dev_dbg(dev, "chmod +w fan%d_beep failed\n", + i + 1); + fan_beep_need_rw = 0; } } if (enable_pwm_interface) { - if (!(sio_data->skip_pwm & (1 << 0))) { - if ((err = device_create_file(dev, - &sensor_dev_attr_pwm1_enable.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm1.dev_attr)) - || (err = device_create_file(dev, - &dev_attr_pwm1_freq))) - goto ERROR4; - } - if (!(sio_data->skip_pwm & (1 << 1))) { - if ((err = device_create_file(dev, - &sensor_dev_attr_pwm2_enable.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm2.dev_attr)) - || (err = device_create_file(dev, - &dev_attr_pwm2_freq))) + for (i = 0; i < 3; i++) { + if (sio_data->skip_pwm & (1 << i)) + continue; + err = sysfs_create_group(&dev->kobj, + &it87_group_pwm[i]); + if (err) goto ERROR4; - } - if (!(sio_data->skip_pwm & (1 << 2))) { - if ((err = device_create_file(dev, - &sensor_dev_attr_pwm3_enable.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm3.dev_attr)) - || (err = device_create_file(dev, - &dev_attr_pwm3_freq))) + + if (!has_old_autopwm(data)) + continue; + err = sysfs_create_group(&dev->kobj, + &it87_group_autopwm[i]); + if (err) goto ERROR4; } } - if (data->type == it8712 || data->type == it8716 - || data->type == it8718 || data->type == it8720) { + if (!sio_data->skip_vid) { data->vrm = vid_which_vrm(); /* VID reading from Super-I/O config space if available */ data->vid = sio_data->vid_value; - if ((err = device_create_file(dev, - &dev_attr_vrm)) - || (err = device_create_file(dev, - &dev_attr_cpu0_vid))) + err = sysfs_create_group(&dev->kobj, &it87_group_vid); + if (err) goto ERROR4; } @@ -1257,8 +1710,7 @@ static int __devinit it87_probe(struct platform_device *pdev) return 0; ERROR4: - sysfs_remove_group(&dev->kobj, &it87_group); - sysfs_remove_group(&dev->kobj, &it87_group_opt); + it87_remove_files(dev); ERROR2: platform_set_drvdata(pdev, NULL); kfree(data); @@ -1273,8 +1725,7 @@ static int __devexit it87_remove(struct platform_device *pdev) struct it87_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&pdev->dev.kobj, &it87_group); - sysfs_remove_group(&pdev->dev.kobj, &it87_group_opt); + it87_remove_files(&pdev->dev); release_region(data->addr, IT87_EC_EXTENT); platform_set_drvdata(pdev, NULL); @@ -1355,18 +1806,23 @@ static int __devinit it87_check_pwm(struct device *dev) /* Called when we have found a new IT87. */ static void __devinit it87_init_device(struct platform_device *pdev) { + struct it87_sio_data *sio_data = pdev->dev.platform_data; struct it87_data *data = platform_get_drvdata(pdev); int tmp, i; - - /* initialize to sane defaults: - * - if the chip is in manual pwm mode, this will be overwritten with - * the actual settings on the chip (so in this case, initialization - * is not needed) - * - if in automatic or on/off mode, we could switch to manual mode, - * read the registers and set manual_pwm_ctl accordingly, but currently - * this is not implemented, so we initialize to something sane */ + u8 mask; + + /* For each PWM channel: + * - If it is in automatic mode, setting to manual mode should set + * the fan to full speed by default. + * - If it is in manual mode, we need a mapping to temperature + * channels to use when later setting to automatic mode later. + * Use a 1:1 mapping by default (we are clueless.) + * In both cases, the value can (and should) be changed by the user + * prior to switching to a different mode. */ for (i = 0; i < 3; i++) { - data->manual_pwm_ctl[i] = 0xff; + data->pwm_temp_map[i] = i; + data->pwm_duty[i] = 0x7f; /* Full speed */ + data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */ } /* Some chips seem to have default value 0xff for all limit @@ -1402,11 +1858,13 @@ static void __devinit it87_init_device(struct platform_device *pdev) } /* Check if tachometers are reset manually or by some reason */ + mask = 0x70 & ~(sio_data->skip_fan << 4); data->fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL); - if ((data->fan_main_ctrl & 0x70) == 0) { + if ((data->fan_main_ctrl & mask) == 0) { /* Enable all fan tachometers */ - data->fan_main_ctrl |= 0x70; - it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl); + data->fan_main_ctrl |= mask; + it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, + data->fan_main_ctrl); } data->has_fan = (data->fan_main_ctrl >> 4) & 0x07; @@ -1428,23 +1886,8 @@ static void __devinit it87_init_device(struct platform_device *pdev) } } - /* Set current fan mode registers and the default settings for the - * other mode registers */ - for (i = 0; i < 3; i++) { - if (data->fan_main_ctrl & (1 << i)) { - /* pwm mode */ - tmp = it87_read_value(data, IT87_REG_PWM(i)); - if (tmp & 0x80) { - /* automatic pwm - not yet implemented, but - * leave the settings made by the BIOS alone - * until a change is requested via the sysfs - * interface */ - } else { - /* manual pwm */ - data->manual_pwm_ctl[i] = PWM_FROM_REG(tmp); - } - } - } + /* Fan input pins may be used for alternative functions */ + data->has_fan &= ~sio_data->skip_fan; /* Start monitoring */ it87_write_value(data, IT87_REG_CONFIG, @@ -1452,6 +1895,26 @@ static void __devinit it87_init_device(struct platform_device *pdev) | (update_vbat ? 0x41 : 0x01)); } +static void it87_update_pwm_ctrl(struct it87_data *data, int nr) +{ + data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM(nr)); + if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */ + data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03; + else /* Manual mode */ + data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f; + + if (has_old_autopwm(data)) { + int i; + + for (i = 0; i < 5 ; i++) + data->auto_temp[nr][i] = it87_read_value(data, + IT87_REG_AUTO_TEMP(nr, i)); + for (i = 0; i < 3 ; i++) + data->auto_pwm[nr][i] = it87_read_value(data, + IT87_REG_AUTO_PWM(nr, i)); + } +} + static struct it87_data *it87_update_device(struct device *dev) { struct it87_data *data = dev_get_drvdata(dev); @@ -1461,24 +1924,22 @@ static struct it87_data *it87_update_device(struct device *dev) if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { - if (update_vbat) { /* Cleared after each update, so reenable. Value - returned by this read will be previous value */ + returned by this read will be previous value */ it87_write_value(data, IT87_REG_CONFIG, - it87_read_value(data, IT87_REG_CONFIG) | 0x40); + it87_read_value(data, IT87_REG_CONFIG) | 0x40); } for (i = 0; i <= 7; i++) { data->in[i] = - it87_read_value(data, IT87_REG_VIN(i)); + it87_read_value(data, IT87_REG_VIN(i)); data->in_min[i] = - it87_read_value(data, IT87_REG_VIN_MIN(i)); + it87_read_value(data, IT87_REG_VIN_MIN(i)); data->in_max[i] = - it87_read_value(data, IT87_REG_VIN_MAX(i)); + it87_read_value(data, IT87_REG_VIN_MAX(i)); } /* in8 (battery) has no limit registers */ - data->in[8] = - it87_read_value(data, IT87_REG_VIN(8)); + data->in[8] = it87_read_value(data, IT87_REG_VIN(8)); for (i = 0; i < 5; i++) { /* Skip disabled fans */ @@ -1486,7 +1947,7 @@ static struct it87_data *it87_update_device(struct device *dev) continue; data->fan_min[i] = - it87_read_value(data, IT87_REG_FAN_MIN[i]); + it87_read_value(data, IT87_REG_FAN_MIN[i]); data->fan[i] = it87_read_value(data, IT87_REG_FAN[i]); /* Add high byte if in 16-bit mode */ @@ -1499,11 +1960,11 @@ static struct it87_data *it87_update_device(struct device *dev) } for (i = 0; i < 3; i++) { data->temp[i] = - it87_read_value(data, IT87_REG_TEMP(i)); + it87_read_value(data, IT87_REG_TEMP(i)); data->temp_high[i] = - it87_read_value(data, IT87_REG_TEMP_HIGH(i)); + it87_read_value(data, IT87_REG_TEMP_HIGH(i)); data->temp_low[i] = - it87_read_value(data, IT87_REG_TEMP_LOW(i)); + it87_read_value(data, IT87_REG_TEMP_LOW(i)); } /* Newer chips don't have clock dividers */ @@ -1518,9 +1979,13 @@ static struct it87_data *it87_update_device(struct device *dev) it87_read_value(data, IT87_REG_ALARM1) | (it87_read_value(data, IT87_REG_ALARM2) << 8) | (it87_read_value(data, IT87_REG_ALARM3) << 16); + data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE); + data->fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL); data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL); + for (i = 0; i < 3; i++) + it87_update_pwm_ctrl(data, i); data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE); /* The 8705 does not have VID capability. @@ -1595,7 +2060,7 @@ exit: static int __init sm_it87_init(void) { int err; - unsigned short isa_address=0; + unsigned short isa_address = 0; struct it87_sio_data sio_data; memset(&sio_data, 0, sizeof(struct it87_sio_data)); @@ -1607,7 +2072,7 @@ static int __init sm_it87_init(void) return err; err = it87_device_add(isa_address, &sio_data); - if (err){ + if (err) { platform_driver_unregister(&it87_driver); return err; } @@ -1628,7 +2093,8 @@ MODULE_DESCRIPTION("IT8705F/8712F/8716F/8718F/8720F/8726F, SiS950 driver"); module_param(update_vbat, bool, 0); MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value"); module_param(fix_pwm_polarity, bool, 0); -MODULE_PARM_DESC(fix_pwm_polarity, "Force PWM polarity to active high (DANGEROUS)"); +MODULE_PARM_DESC(fix_pwm_polarity, + "Force PWM polarity to active high (DANGEROUS)"); MODULE_LICENSE("GPL"); module_init(sm_it87_init); diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c new file mode 100644 index 0000000..099a213 --- /dev/null +++ b/drivers/hwmon/k10temp.c @@ -0,0 +1,223 @@ +/* + * k10temp.c - AMD Family 10h/11h processor hardware monitoring + * + * Copyright (c) 2009 Clemens Ladisch <clemens@ladisch.de> + * + * + * This driver is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License; either + * version 2 of the License, or (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this driver; if not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/err.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <asm/processor.h> + +MODULE_DESCRIPTION("AMD Family 10h/11h CPU core temperature monitor"); +MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); +MODULE_LICENSE("GPL"); + +static bool force; +module_param(force, bool, 0444); +MODULE_PARM_DESC(force, "force loading on processors with erratum 319"); + +/* CPUID function 0x80000001, ebx */ +#define CPUID_PKGTYPE_MASK 0xf0000000 +#define CPUID_PKGTYPE_F 0x00000000 +#define CPUID_PKGTYPE_AM2R2_AM3 0x10000000 + +/* DRAM controller (PCI function 2) */ +#define REG_DCT0_CONFIG_HIGH 0x094 +#define DDR3_MODE 0x00000100 + +/* miscellaneous (PCI function 3) */ +#define REG_HARDWARE_THERMAL_CONTROL 0x64 +#define HTC_ENABLE 0x00000001 + +#define REG_REPORTED_TEMPERATURE 0xa4 + +#define REG_NORTHBRIDGE_CAPABILITIES 0xe8 +#define NB_CAP_HTC 0x00000400 + +static ssize_t show_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u32 regval; + + pci_read_config_dword(to_pci_dev(dev), + REG_REPORTED_TEMPERATURE, ®val); + return sprintf(buf, "%u\n", (regval >> 21) * 125); +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", 70 * 1000); +} + +static ssize_t show_temp_crit(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + int show_hyst = attr->index; + u32 regval; + int value; + + pci_read_config_dword(to_pci_dev(dev), + REG_HARDWARE_THERMAL_CONTROL, ®val); + value = ((regval >> 16) & 0x7f) * 500 + 52000; + if (show_hyst) + value -= ((regval >> 24) & 0xf) * 500; + return sprintf(buf, "%d\n", value); +} + +static ssize_t show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "k10temp\n"); +} + +static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); +static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, NULL); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit, NULL, 1); +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +static bool __devinit has_erratum_319(struct pci_dev *pdev) +{ + u32 pkg_type, reg_dram_cfg; + + if (boot_cpu_data.x86 != 0x10) + return false; + + /* + * Erratum 319: The thermal sensor of Socket F/AM2+ processors + * may be unreliable. + */ + pkg_type = cpuid_ebx(0x80000001) & CPUID_PKGTYPE_MASK; + if (pkg_type == CPUID_PKGTYPE_F) + return true; + if (pkg_type != CPUID_PKGTYPE_AM2R2_AM3) + return false; + + /* Differentiate between AM2+ (bad) and AM3 (good) */ + pci_bus_read_config_dword(pdev->bus, + PCI_DEVFN(PCI_SLOT(pdev->devfn), 2), + REG_DCT0_CONFIG_HIGH, ®_dram_cfg); + return !(reg_dram_cfg & DDR3_MODE); +} + +static int __devinit k10temp_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct device *hwmon_dev; + u32 reg_caps, reg_htc; + int unreliable = has_erratum_319(pdev); + int err; + + if (unreliable && !force) { + dev_err(&pdev->dev, + "unreliable CPU thermal sensor; monitoring disabled\n"); + err = -ENODEV; + goto exit; + } + + err = device_create_file(&pdev->dev, &dev_attr_temp1_input); + if (err) + goto exit; + err = device_create_file(&pdev->dev, &dev_attr_temp1_max); + if (err) + goto exit_remove; + + pci_read_config_dword(pdev, REG_NORTHBRIDGE_CAPABILITIES, ®_caps); + pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, ®_htc); + if ((reg_caps & NB_CAP_HTC) && (reg_htc & HTC_ENABLE)) { + err = device_create_file(&pdev->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + if (err) + goto exit_remove; + err = device_create_file(&pdev->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); + if (err) + goto exit_remove; + } + + err = device_create_file(&pdev->dev, &dev_attr_name); + if (err) + goto exit_remove; + + hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(hwmon_dev)) { + err = PTR_ERR(hwmon_dev); + goto exit_remove; + } + dev_set_drvdata(&pdev->dev, hwmon_dev); + + if (unreliable && force) + dev_warn(&pdev->dev, + "unreliable CPU thermal sensor; check erratum 319\n"); + return 0; + +exit_remove: + device_remove_file(&pdev->dev, &dev_attr_name); + device_remove_file(&pdev->dev, &dev_attr_temp1_input); + device_remove_file(&pdev->dev, &dev_attr_temp1_max); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); +exit: + return err; +} + +static void __devexit k10temp_remove(struct pci_dev *pdev) +{ + hwmon_device_unregister(dev_get_drvdata(&pdev->dev)); + device_remove_file(&pdev->dev, &dev_attr_name); + device_remove_file(&pdev->dev, &dev_attr_temp1_input); + device_remove_file(&pdev->dev, &dev_attr_temp1_max); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit.dev_attr); + device_remove_file(&pdev->dev, + &sensor_dev_attr_temp1_crit_hyst.dev_attr); + dev_set_drvdata(&pdev->dev, NULL); +} + +static const struct pci_device_id k10temp_id_table[] = { + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) }, + {} +}; +MODULE_DEVICE_TABLE(pci, k10temp_id_table); + +static struct pci_driver k10temp_driver = { + .name = "k10temp", + .id_table = k10temp_id_table, + .probe = k10temp_probe, + .remove = __devexit_p(k10temp_remove), +}; + +static int __init k10temp_init(void) +{ + return pci_register_driver(&k10temp_driver); +} + +static void __exit k10temp_exit(void) +{ + pci_unregister_driver(&k10temp_driver); +} + +module_init(k10temp_init) +module_exit(k10temp_exit) diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c index 1fe9951..0ceb6d6 100644 --- a/drivers/hwmon/k8temp.c +++ b/drivers/hwmon/k8temp.c @@ -136,7 +136,7 @@ static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 1, 0); static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 1, 1); static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -static struct pci_device_id k8temp_ids[] = { +static const struct pci_device_id k8temp_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) }, { 0 }, }; diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index cf5afb9..b2f2277 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -43,13 +43,30 @@ #define MDPS_POLL_INTERVAL 50 /* * The sensor can also generate interrupts (DRDY) but it's pretty pointless - * because their are generated even if the data do not change. So it's better + * because they are generated even if the data do not change. So it's better * to keep the interrupt for the free-fall event. The values are updated at * 40Hz (at the lowest frequency), but as it can be pretty time consuming on * some low processor, we poll the sensor only at 20Hz... enough for the * joystick. */ +#define LIS3_PWRON_DELAY_WAI_12B (5000) +#define LIS3_PWRON_DELAY_WAI_8B (3000) + +/* + * LIS3LV02D spec says 1024 LSBs corresponds 1 G -> 1LSB is 1000/1024 mG + * LIS302D spec says: 18 mG / digit + * LIS3_ACCURACY is used to increase accuracy of the intermediate + * calculation results. + */ +#define LIS3_ACCURACY 1024 +/* Sensitivity values for -2G +2G scale */ +#define LIS3_SENSITIVITY_12B ((LIS3_ACCURACY * 1000) / 1024) +#define LIS3_SENSITIVITY_8B (18 * LIS3_ACCURACY) + +#define LIS3_DEFAULT_FUZZ 3 +#define LIS3_DEFAULT_FLAT 3 + struct lis3lv02d lis3_dev = { .misc_wait = __WAIT_QUEUE_HEAD_INITIALIZER(lis3_dev.misc_wait), }; @@ -65,7 +82,7 @@ static s16 lis3lv02d_read_8(struct lis3lv02d *lis3, int reg) return lo; } -static s16 lis3lv02d_read_16(struct lis3lv02d *lis3, int reg) +static s16 lis3lv02d_read_12(struct lis3lv02d *lis3, int reg) { u8 lo, hi; @@ -102,16 +119,106 @@ static inline int lis3lv02d_get_axis(s8 axis, int hw_values[3]) static void lis3lv02d_get_xyz(struct lis3lv02d *lis3, int *x, int *y, int *z) { int position[3]; + int i; + mutex_lock(&lis3->mutex); position[0] = lis3->read_data(lis3, OUTX); position[1] = lis3->read_data(lis3, OUTY); position[2] = lis3->read_data(lis3, OUTZ); + mutex_unlock(&lis3->mutex); + + for (i = 0; i < 3; i++) + position[i] = (position[i] * lis3->scale) / LIS3_ACCURACY; *x = lis3lv02d_get_axis(lis3->ac.x, position); *y = lis3lv02d_get_axis(lis3->ac.y, position); *z = lis3lv02d_get_axis(lis3->ac.z, position); } +/* conversion btw sampling rate and the register values */ +static int lis3_12_rates[4] = {40, 160, 640, 2560}; +static int lis3_8_rates[2] = {100, 400}; + +/* ODR is Output Data Rate */ +static int lis3lv02d_get_odr(void) +{ + u8 ctrl; + int shift; + + lis3_dev.read(&lis3_dev, CTRL_REG1, &ctrl); + ctrl &= lis3_dev.odr_mask; + shift = ffs(lis3_dev.odr_mask) - 1; + return lis3_dev.odrs[(ctrl >> shift)]; +} + +static int lis3lv02d_set_odr(int rate) +{ + u8 ctrl; + int i, len, shift; + + lis3_dev.read(&lis3_dev, CTRL_REG1, &ctrl); + ctrl &= ~lis3_dev.odr_mask; + len = 1 << hweight_long(lis3_dev.odr_mask); /* # of possible values */ + shift = ffs(lis3_dev.odr_mask) - 1; + + for (i = 0; i < len; i++) + if (lis3_dev.odrs[i] == rate) { + lis3_dev.write(&lis3_dev, CTRL_REG1, + ctrl | (i << shift)); + return 0; + } + return -EINVAL; +} + +static int lis3lv02d_selftest(struct lis3lv02d *lis3, s16 results[3]) +{ + u8 reg; + s16 x, y, z; + u8 selftest; + int ret; + + mutex_lock(&lis3->mutex); + if (lis3_dev.whoami == WAI_12B) + selftest = CTRL1_ST; + else + selftest = CTRL1_STP; + + lis3->read(lis3, CTRL_REG1, ®); + lis3->write(lis3, CTRL_REG1, (reg | selftest)); + msleep(lis3->pwron_delay / lis3lv02d_get_odr()); + + /* Read directly to avoid axis remap */ + x = lis3->read_data(lis3, OUTX); + y = lis3->read_data(lis3, OUTY); + z = lis3->read_data(lis3, OUTZ); + + /* back to normal settings */ + lis3->write(lis3, CTRL_REG1, reg); + msleep(lis3->pwron_delay / lis3lv02d_get_odr()); + + results[0] = x - lis3->read_data(lis3, OUTX); + results[1] = y - lis3->read_data(lis3, OUTY); + results[2] = z - lis3->read_data(lis3, OUTZ); + + ret = 0; + if (lis3->pdata) { + int i; + for (i = 0; i < 3; i++) { + /* Check against selftest acceptance limits */ + if ((results[i] < lis3->pdata->st_min_limits[i]) || + (results[i] > lis3->pdata->st_max_limits[i])) { + ret = -EIO; + goto fail; + } + } + } + + /* test passed */ +fail: + mutex_unlock(&lis3->mutex); + return ret; +} + void lis3lv02d_poweroff(struct lis3lv02d *lis3) { /* disable X,Y,Z axis and power down */ @@ -125,14 +232,19 @@ void lis3lv02d_poweron(struct lis3lv02d *lis3) lis3->init(lis3); + /* LIS3 power on delay is quite long */ + msleep(lis3->pwron_delay / lis3lv02d_get_odr()); + /* * Common configuration - * BDU: LSB and MSB values are not updated until both have been read. - * So the value read will always be correct. + * BDU: (12 bits sensors only) LSB and MSB values are not updated until + * both have been read. So the value read will always be correct. */ - lis3->read(lis3, CTRL_REG2, ®); - reg |= CTRL2_BDU; - lis3->write(lis3, CTRL_REG2, reg); + if (lis3->whoami == WAI_12B) { + lis3->read(lis3, CTRL_REG2, ®); + reg |= CTRL2_BDU; + lis3->write(lis3, CTRL_REG2, reg); + } } EXPORT_SYMBOL_GPL(lis3lv02d_poweron); @@ -273,22 +385,17 @@ static void lis3lv02d_joystick_poll(struct input_polled_dev *pidev) int x, y, z; lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z); - input_report_abs(pidev->input, ABS_X, x - lis3_dev.xcalib); - input_report_abs(pidev->input, ABS_Y, y - lis3_dev.ycalib); - input_report_abs(pidev->input, ABS_Z, z - lis3_dev.zcalib); -} - - -static inline void lis3lv02d_calibrate_joystick(void) -{ - lis3lv02d_get_xyz(&lis3_dev, - &lis3_dev.xcalib, &lis3_dev.ycalib, &lis3_dev.zcalib); + input_report_abs(pidev->input, ABS_X, x); + input_report_abs(pidev->input, ABS_Y, y); + input_report_abs(pidev->input, ABS_Z, z); + input_sync(pidev->input); } int lis3lv02d_joystick_enable(void) { struct input_dev *input_dev; int err; + int max_val, fuzz, flat; if (lis3_dev.idev) return -EINVAL; @@ -301,8 +408,6 @@ int lis3lv02d_joystick_enable(void) lis3_dev.idev->poll_interval = MDPS_POLL_INTERVAL; input_dev = lis3_dev.idev->input; - lis3lv02d_calibrate_joystick(); - input_dev->name = "ST LIS3LV02DL Accelerometer"; input_dev->phys = DRIVER_NAME "/input0"; input_dev->id.bustype = BUS_HOST; @@ -310,9 +415,12 @@ int lis3lv02d_joystick_enable(void) input_dev->dev.parent = &lis3_dev.pdev->dev; set_bit(EV_ABS, input_dev->evbit); - input_set_abs_params(input_dev, ABS_X, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3); - input_set_abs_params(input_dev, ABS_Y, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3); - input_set_abs_params(input_dev, ABS_Z, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3); + max_val = (lis3_dev.mdps_max_val * lis3_dev.scale) / LIS3_ACCURACY; + fuzz = (LIS3_DEFAULT_FUZZ * lis3_dev.scale) / LIS3_ACCURACY; + flat = (LIS3_DEFAULT_FLAT * lis3_dev.scale) / LIS3_ACCURACY; + input_set_abs_params(input_dev, ABS_X, -max_val, max_val, fuzz, flat); + input_set_abs_params(input_dev, ABS_Y, -max_val, max_val, fuzz, flat); + input_set_abs_params(input_dev, ABS_Z, -max_val, max_val, fuzz, flat); err = input_register_polled_device(lis3_dev.idev); if (err) { @@ -332,11 +440,23 @@ void lis3lv02d_joystick_disable(void) if (lis3_dev.irq) misc_deregister(&lis3lv02d_misc_device); input_unregister_polled_device(lis3_dev.idev); + input_free_polled_device(lis3_dev.idev); lis3_dev.idev = NULL; } EXPORT_SYMBOL_GPL(lis3lv02d_joystick_disable); /* Sysfs stuff */ +static ssize_t lis3lv02d_selftest_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int result; + s16 values[3]; + + result = lis3lv02d_selftest(&lis3_dev, values); + return sprintf(buf, "%s %d %d %d\n", result == 0 ? "OK" : "FAIL", + values[0], values[1], values[2]); +} + static ssize_t lis3lv02d_position_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -346,41 +466,35 @@ static ssize_t lis3lv02d_position_show(struct device *dev, return sprintf(buf, "(%d,%d,%d)\n", x, y, z); } -static ssize_t lis3lv02d_calibrate_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t lis3lv02d_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) { - return sprintf(buf, "(%d,%d,%d)\n", lis3_dev.xcalib, lis3_dev.ycalib, lis3_dev.zcalib); + return sprintf(buf, "%d\n", lis3lv02d_get_odr()); } -static ssize_t lis3lv02d_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t lis3lv02d_rate_set(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { - lis3lv02d_calibrate_joystick(); - return count; -} + unsigned long rate; -/* conversion btw sampling rate and the register values */ -static int lis3lv02dl_df_val[4] = {40, 160, 640, 2560}; -static ssize_t lis3lv02d_rate_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u8 ctrl; - int val; + if (strict_strtoul(buf, 0, &rate)) + return -EINVAL; - lis3_dev.read(&lis3_dev, CTRL_REG1, &ctrl); - val = (ctrl & (CTRL1_DF0 | CTRL1_DF1)) >> 4; - return sprintf(buf, "%d\n", lis3lv02dl_df_val[val]); + if (lis3lv02d_set_odr(rate)) + return -EINVAL; + + return count; } +static DEVICE_ATTR(selftest, S_IRUSR, lis3lv02d_selftest_show, NULL); static DEVICE_ATTR(position, S_IRUGO, lis3lv02d_position_show, NULL); -static DEVICE_ATTR(calibrate, S_IRUGO|S_IWUSR, lis3lv02d_calibrate_show, - lis3lv02d_calibrate_store); -static DEVICE_ATTR(rate, S_IRUGO, lis3lv02d_rate_show, NULL); +static DEVICE_ATTR(rate, S_IRUGO | S_IWUSR, lis3lv02d_rate_show, + lis3lv02d_rate_set); static struct attribute *lis3lv02d_attributes[] = { + &dev_attr_selftest.attr, &dev_attr_position.attr, - &dev_attr_calibrate.attr, &dev_attr_rate.attr, NULL }; @@ -409,22 +523,30 @@ EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs); /* * Initialise the accelerometer and the various subsystems. - * Should be rather independant of the bus system. + * Should be rather independent of the bus system. */ int lis3lv02d_init_device(struct lis3lv02d *dev) { dev->whoami = lis3lv02d_read_8(dev, WHO_AM_I); switch (dev->whoami) { - case LIS_DOUBLE_ID: - printk(KERN_INFO DRIVER_NAME ": 2-byte sensor found\n"); - dev->read_data = lis3lv02d_read_16; + case WAI_12B: + printk(KERN_INFO DRIVER_NAME ": 12 bits sensor found\n"); + dev->read_data = lis3lv02d_read_12; dev->mdps_max_val = 2048; + dev->pwron_delay = LIS3_PWRON_DELAY_WAI_12B; + dev->odrs = lis3_12_rates; + dev->odr_mask = CTRL1_DF0 | CTRL1_DF1; + dev->scale = LIS3_SENSITIVITY_12B; break; - case LIS_SINGLE_ID: - printk(KERN_INFO DRIVER_NAME ": 1-byte sensor found\n"); + case WAI_8B: + printk(KERN_INFO DRIVER_NAME ": 8 bits sensor found\n"); dev->read_data = lis3lv02d_read_8; dev->mdps_max_val = 128; + dev->pwron_delay = LIS3_PWRON_DELAY_WAI_8B; + dev->odrs = lis3_8_rates; + dev->odr_mask = CTRL1_DR; + dev->scale = LIS3_SENSITIVITY_8B; break; default: printk(KERN_ERR DRIVER_NAME @@ -432,6 +554,8 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) return -EINVAL; } + mutex_init(&dev->mutex); + lis3lv02d_add_fs(dev); lis3lv02d_poweron(dev); @@ -443,7 +567,7 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) if (dev->pdata) { struct lis3lv02d_platform_data *p = dev->pdata; - if (p->click_flags && (dev->whoami == LIS_SINGLE_ID)) { + if (p->click_flags && (dev->whoami == WAI_8B)) { dev->write(dev, CLICK_CFG, p->click_flags); dev->write(dev, CLICK_TIMELIMIT, p->click_time_limit); dev->write(dev, CLICK_LATENCY, p->click_latency); @@ -454,7 +578,7 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) (p->click_thresh_y << 4)); } - if (p->wakeup_flags && (dev->whoami == LIS_SINGLE_ID)) { + if (p->wakeup_flags && (dev->whoami == WAI_8B)) { dev->write(dev, FF_WU_CFG_1, p->wakeup_flags); dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f); /* default to 2.5ms for now */ @@ -484,4 +608,3 @@ EXPORT_SYMBOL_GPL(lis3lv02d_init_device); MODULE_DESCRIPTION("ST LIS3LV02Dx three-axis digital accelerometer driver"); MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek"); MODULE_LICENSE("GPL"); - diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index 3e1ff46..e6a01f4 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -2,7 +2,7 @@ * lis3lv02d.h - ST LIS3LV02DL accelerometer driver * * Copyright (C) 2007-2008 Yan Burman - * Copyright (C) 2008 Eric Piel + * Copyright (C) 2008-2009 Eric Piel * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,20 +22,18 @@ #include <linux/input-polldev.h> /* - * The actual chip is STMicroelectronics LIS3LV02DL or LIS3LV02DQ that seems to - * be connected via SPI. There exists also several similar chips (such as LIS302DL or - * LIS3L02DQ) and they have slightly different registers, but we can provide a - * common interface for all of them. - * They can also be connected via I²C. + * This driver tries to support the "digital" accelerometer chips from + * STMicroelectronics such as LIS3LV02DL, LIS302DL, LIS3L02DQ, LIS331DL, + * LIS35DE, or LIS202DL. They are very similar in terms of programming, with + * almost the same registers. In addition to differing on physical properties, + * they differ on the number of axes (2/3), precision (8/12 bits), and special + * features (freefall detection, click...). Unfortunately, not all the + * differences can be probed via a register. + * They can be connected either via I²C or SPI. */ #include <linux/lis3lv02d.h> -/* 2-byte registers */ -#define LIS_DOUBLE_ID 0x3A /* LIS3LV02D[LQ] */ -/* 1-byte registers */ -#define LIS_SINGLE_ID 0x3B /* LIS[32]02DL and others */ - enum lis3_reg { WHO_AM_I = 0x0F, OFFSET_X = 0x16, @@ -94,7 +92,13 @@ enum lis3lv02d_reg { DD_THSE_H = 0x3F, }; -enum lis3lv02d_ctrl1 { +enum lis3_who_am_i { + WAI_12B = 0x3A, /* 12 bits: LIS3LV02D[LQ]... */ + WAI_8B = 0x3B, /* 8 bits: LIS[23]02D[LQ]... */ + WAI_6B = 0x52, /* 6 bits: LIS331DLF - not supported */ +}; + +enum lis3lv02d_ctrl1_12b { CTRL1_Xen = 0x01, CTRL1_Yen = 0x02, CTRL1_Zen = 0x04, @@ -104,6 +108,16 @@ enum lis3lv02d_ctrl1 { CTRL1_PD0 = 0x40, CTRL1_PD1 = 0x80, }; + +/* Delta to ctrl1_12b version */ +enum lis3lv02d_ctrl1_8b { + CTRL1_STM = 0x08, + CTRL1_STP = 0x10, + CTRL1_FS = 0x20, + CTRL1_PD = 0x40, + CTRL1_DR = 0x80, +}; + enum lis3lv02d_ctrl2 { CTRL2_DAS = 0x01, CTRL2_SIM = 0x02, @@ -194,16 +208,20 @@ struct lis3lv02d { int (*write) (struct lis3lv02d *lis3, int reg, u8 val); int (*read) (struct lis3lv02d *lis3, int reg, u8 *ret); - u8 whoami; /* 3Ah: 2-byte registries, 3Bh: 1-byte registries */ + int *odrs; /* Supported output data rates */ + u8 odr_mask; /* ODR bit mask */ + u8 whoami; /* indicates measurement precision */ s16 (*read_data) (struct lis3lv02d *lis3, int reg); int mdps_max_val; + int pwron_delay; + int scale; /* + * relationship between 1 LBS and mG + * (1/1000th of earth gravity) + */ struct input_polled_dev *idev; /* input device */ struct platform_device *pdev; /* platform device */ atomic_t count; /* interrupt count after last read */ - int xcalib; /* calibrated null value for x */ - int ycalib; /* calibrated null value for y */ - int zcalib; /* calibrated null value for z */ struct axis_conversion ac; /* hw -> logical axis */ u32 irq; /* IRQ number */ @@ -212,6 +230,7 @@ struct lis3lv02d { unsigned long misc_opened; /* bit0: whether the device is open */ struct lis3lv02d_platform_data *pdata; /* for passing board config */ + struct mutex mutex; /* Serialize poll and selftest */ }; int lis3lv02d_init_device(struct lis3lv02d *lis3); diff --git a/drivers/hwmon/lis3lv02d_i2c.c b/drivers/hwmon/lis3lv02d_i2c.c new file mode 100644 index 0000000..dc1f540 --- /dev/null +++ b/drivers/hwmon/lis3lv02d_i2c.c @@ -0,0 +1,183 @@ +/* + * drivers/hwmon/lis3lv02d_i2c.c + * + * Implements I2C interface for lis3lv02d (STMicroelectronics) accelerometer. + * Driver is based on corresponding SPI driver written by Daniel Mack + * (lis3lv02d_spi.c (C) 2009 Daniel Mack <daniel@caiaq.de> ). + * + * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include "lis3lv02d.h" + +#define DRV_NAME "lis3lv02d_i2c" + +static inline s32 lis3_i2c_write(struct lis3lv02d *lis3, int reg, u8 value) +{ + struct i2c_client *c = lis3->bus_priv; + return i2c_smbus_write_byte_data(c, reg, value); +} + +static inline s32 lis3_i2c_read(struct lis3lv02d *lis3, int reg, u8 *v) +{ + struct i2c_client *c = lis3->bus_priv; + *v = i2c_smbus_read_byte_data(c, reg); + return 0; +} + +static int lis3_i2c_init(struct lis3lv02d *lis3) +{ + u8 reg; + int ret; + + /* power up the device */ + ret = lis3->read(lis3, CTRL_REG1, ®); + if (ret < 0) + return ret; + + reg |= CTRL1_PD0; + return lis3->write(lis3, CTRL_REG1, reg); +} + +/* Default axis mapping but it can be overwritten by platform data */ +static struct axis_conversion lis3lv02d_axis_map = { LIS3_DEV_X, + LIS3_DEV_Y, + LIS3_DEV_Z }; + +static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret = 0; + struct lis3lv02d_platform_data *pdata = client->dev.platform_data; + + if (pdata) { + if (pdata->axis_x) + lis3lv02d_axis_map.x = pdata->axis_x; + + if (pdata->axis_y) + lis3lv02d_axis_map.y = pdata->axis_y; + + if (pdata->axis_z) + lis3lv02d_axis_map.z = pdata->axis_z; + + if (pdata->setup_resources) + ret = pdata->setup_resources(); + + if (ret) + goto fail; + } + + lis3_dev.pdata = pdata; + lis3_dev.bus_priv = client; + lis3_dev.init = lis3_i2c_init; + lis3_dev.read = lis3_i2c_read; + lis3_dev.write = lis3_i2c_write; + lis3_dev.irq = client->irq; + lis3_dev.ac = lis3lv02d_axis_map; + + i2c_set_clientdata(client, &lis3_dev); + ret = lis3lv02d_init_device(&lis3_dev); +fail: + return ret; +} + +static int __devexit lis3lv02d_i2c_remove(struct i2c_client *client) +{ + struct lis3lv02d *lis3 = i2c_get_clientdata(client); + struct lis3lv02d_platform_data *pdata = client->dev.platform_data; + + if (pdata && pdata->release_resources) + pdata->release_resources(); + + lis3lv02d_joystick_disable(); + lis3lv02d_poweroff(lis3); + + return lis3lv02d_remove_fs(&lis3_dev); +} + +#ifdef CONFIG_PM +static int lis3lv02d_i2c_suspend(struct i2c_client *client, pm_message_t mesg) +{ + struct lis3lv02d *lis3 = i2c_get_clientdata(client); + + if (!lis3->pdata->wakeup_flags) + lis3lv02d_poweroff(lis3); + return 0; +} + +static int lis3lv02d_i2c_resume(struct i2c_client *client) +{ + struct lis3lv02d *lis3 = i2c_get_clientdata(client); + + if (!lis3->pdata->wakeup_flags) + lis3lv02d_poweron(lis3); + return 0; +} + +static void lis3lv02d_i2c_shutdown(struct i2c_client *client) +{ + lis3lv02d_i2c_suspend(client, PMSG_SUSPEND); +} +#else +#define lis3lv02d_i2c_suspend NULL +#define lis3lv02d_i2c_resume NULL +#define lis3lv02d_i2c_shutdown NULL +#endif + +static const struct i2c_device_id lis3lv02d_id[] = { + {"lis3lv02d", 0 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, lis3lv02d_id); + +static struct i2c_driver lis3lv02d_i2c_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .suspend = lis3lv02d_i2c_suspend, + .shutdown = lis3lv02d_i2c_shutdown, + .resume = lis3lv02d_i2c_resume, + .probe = lis3lv02d_i2c_probe, + .remove = __devexit_p(lis3lv02d_i2c_remove), + .id_table = lis3lv02d_id, +}; + +static int __init lis3lv02d_init(void) +{ + return i2c_add_driver(&lis3lv02d_i2c_driver); +} + +static void __exit lis3lv02d_exit(void) +{ + i2c_del_driver(&lis3lv02d_i2c_driver); +} + +MODULE_AUTHOR("Nokia Corporation"); +MODULE_DESCRIPTION("lis3lv02d I2C interface"); +MODULE_LICENSE("GPL"); + +module_init(lis3lv02d_init); +module_exit(lis3lv02d_exit); diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index 3195a26..bf81aff 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -56,12 +56,6 @@ static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END }; /* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_1(lm63); - -/* * The LM63 registers */ @@ -134,8 +128,7 @@ static int lm63_remove(struct i2c_client *client); static struct lm63_data *lm63_update_device(struct device *dev); -static int lm63_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int lm63_detect(struct i2c_client *client, struct i2c_board_info *info); static void lm63_init_client(struct i2c_client *client); /* @@ -143,7 +136,7 @@ static void lm63_init_client(struct i2c_client *client); */ static const struct i2c_device_id lm63_id[] = { - { "lm63", lm63 }, + { "lm63", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, lm63_id); @@ -157,7 +150,7 @@ static struct i2c_driver lm63_driver = { .remove = lm63_remove, .id_table = lm63_id, .detect = lm63_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -423,44 +416,38 @@ static const struct attribute_group lm63_group_fan1 = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm63_detect(struct i2c_client *new_client, int kind, +static int lm63_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; + u8 man_id, chip_id, reg_config1, reg_config2; + u8 reg_alert_status, reg_alert_mask; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind < 0) { /* must identify */ - u8 man_id, chip_id, reg_config1, reg_config2; - u8 reg_alert_status, reg_alert_mask; - - man_id = i2c_smbus_read_byte_data(new_client, - LM63_REG_MAN_ID); - chip_id = i2c_smbus_read_byte_data(new_client, - LM63_REG_CHIP_ID); - reg_config1 = i2c_smbus_read_byte_data(new_client, - LM63_REG_CONFIG1); - reg_config2 = i2c_smbus_read_byte_data(new_client, - LM63_REG_CONFIG2); - reg_alert_status = i2c_smbus_read_byte_data(new_client, - LM63_REG_ALERT_STATUS); - reg_alert_mask = i2c_smbus_read_byte_data(new_client, - LM63_REG_ALERT_MASK); - - if (man_id == 0x01 /* National Semiconductor */ - && chip_id == 0x41 /* LM63 */ - && (reg_config1 & 0x18) == 0x00 - && (reg_config2 & 0xF8) == 0x00 - && (reg_alert_status & 0x20) == 0x00 - && (reg_alert_mask & 0xA4) == 0xA4) { - kind = lm63; - } else { /* failed */ - dev_dbg(&adapter->dev, "Unsupported chip " - "(man_id=0x%02X, chip_id=0x%02X).\n", - man_id, chip_id); - return -ENODEV; - } + man_id = i2c_smbus_read_byte_data(new_client, LM63_REG_MAN_ID); + chip_id = i2c_smbus_read_byte_data(new_client, LM63_REG_CHIP_ID); + + reg_config1 = i2c_smbus_read_byte_data(new_client, + LM63_REG_CONFIG1); + reg_config2 = i2c_smbus_read_byte_data(new_client, + LM63_REG_CONFIG2); + reg_alert_status = i2c_smbus_read_byte_data(new_client, + LM63_REG_ALERT_STATUS); + reg_alert_mask = i2c_smbus_read_byte_data(new_client, + LM63_REG_ALERT_MASK); + + if (man_id != 0x01 /* National Semiconductor */ + || chip_id != 0x41 /* LM63 */ + || (reg_config1 & 0x18) != 0x00 + || (reg_config2 & 0xF8) != 0x00 + || (reg_alert_status & 0x20) != 0x00 + || (reg_alert_mask & 0xA4) != 0xA4) { + dev_dbg(&adapter->dev, + "Unsupported chip (man_id=0x%02X, chip_id=0x%02X)\n", + man_id, chip_id); + return -ENODEV; } strlcpy(info->type, "lm63", I2C_NAME_SIZE); diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index ab8a5d3..fd108cf 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -34,6 +34,7 @@ #include <linux/mutex.h> #include <linux/mod_devicetable.h> #include <linux/spi/spi.h> +#include <linux/slab.h> #define DRVNAME "lm70" diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c new file mode 100644 index 0000000..4d1b76b --- /dev/null +++ b/drivers/hwmon/lm73.c @@ -0,0 +1,201 @@ +/* + * LM73 Sensor driver + * Based on LM75 + * + * Copyright (C) 2007, CenoSYS (www.cenosys.com). + * Copyright (C) 2009, Bollore telecom (www.bolloretelecom.eu). + * + * Guillaume Ligneul <guillaume.ligneul@gmail.com> + * Adrien Demarez <adrien.demarez@bolloretelecom.eu> + * Jeremy Laine <jeremy.laine@bolloretelecom.eu> + * + * This software program is licensed subject to the GNU General Public License + * (GPL).Version 2,June 1991, available at + * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> + + +/* Addresses scanned */ +static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4c, + 0x4d, 0x4e, I2C_CLIENT_END }; + +/* LM73 registers */ +#define LM73_REG_INPUT 0x00 +#define LM73_REG_CONF 0x01 +#define LM73_REG_MAX 0x02 +#define LM73_REG_MIN 0x03 +#define LM73_REG_CTRL 0x04 +#define LM73_REG_ID 0x07 + +#define LM73_ID 0x9001 /* or 0x190 after a swab16() */ +#define DRVNAME "lm73" +#define LM73_TEMP_MIN (-40) +#define LM73_TEMP_MAX 150 + +/*-----------------------------------------------------------------------*/ + + +static ssize_t set_temp(struct device *dev, struct device_attribute *da, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct i2c_client *client = to_i2c_client(dev); + long temp; + short value; + + int status = strict_strtol(buf, 10, &temp); + if (status < 0) + return status; + + /* Write value */ + value = (short) SENSORS_LIMIT(temp/250, (LM73_TEMP_MIN*4), + (LM73_TEMP_MAX*4)) << 5; + i2c_smbus_write_word_data(client, attr->index, swab16(value)); + return count; +} + +static ssize_t show_temp(struct device *dev, struct device_attribute *da, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct i2c_client *client = to_i2c_client(dev); + /* use integer division instead of equivalent right shift to + guarantee arithmetic shift and preserve the sign */ + int temp = ((s16) (swab16(i2c_smbus_read_word_data(client, + attr->index)))*250) / 32; + return sprintf(buf, "%d\n", temp); +} + + +/*-----------------------------------------------------------------------*/ + +/* sysfs attributes for hwmon */ + +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, + show_temp, set_temp, LM73_REG_MAX); +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, + show_temp, set_temp, LM73_REG_MIN); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, + show_temp, NULL, LM73_REG_INPUT); + + +static struct attribute *lm73_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + + NULL +}; + +static const struct attribute_group lm73_group = { + .attrs = lm73_attributes, +}; + +/*-----------------------------------------------------------------------*/ + +/* device probe and removal */ + +static int +lm73_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct device *hwmon_dev; + int status; + + /* Register sysfs hooks */ + status = sysfs_create_group(&client->dev.kobj, &lm73_group); + if (status) + return status; + + hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(hwmon_dev)) { + status = PTR_ERR(hwmon_dev); + goto exit_remove; + } + i2c_set_clientdata(client, hwmon_dev); + + dev_info(&client->dev, "%s: sensor '%s'\n", + dev_name(hwmon_dev), client->name); + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &lm73_group); + return status; +} + +static int lm73_remove(struct i2c_client *client) +{ + struct device *hwmon_dev = i2c_get_clientdata(client); + + hwmon_device_unregister(hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &lm73_group); + i2c_set_clientdata(client, NULL); + return 0; +} + +static const struct i2c_device_id lm73_ids[] = { + { "lm73", 0 }, + { /* LIST END */ } +}; +MODULE_DEVICE_TABLE(i2c, lm73_ids); + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int lm73_detect(struct i2c_client *new_client, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = new_client->adapter; + u16 id; + u8 ctrl; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA)) + return -ENODEV; + + /* Check device ID */ + id = i2c_smbus_read_word_data(new_client, LM73_REG_ID); + ctrl = i2c_smbus_read_byte_data(new_client, LM73_REG_CTRL); + if ((id != LM73_ID) || (ctrl & 0x10)) + return -ENODEV; + + strlcpy(info->type, "lm73", I2C_NAME_SIZE); + + return 0; +} + +static struct i2c_driver lm73_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "lm73", + }, + .probe = lm73_probe, + .remove = lm73_remove, + .id_table = lm73_ids, + .detect = lm73_detect, + .address_list = normal_i2c, +}; + +/* module glue */ + +static int __init sensors_lm73_init(void) +{ + return i2c_add_driver(&lm73_driver); +} + +static void __exit sensors_lm73_exit(void) +{ + i2c_del_driver(&lm73_driver); +} + +MODULE_AUTHOR("Guillaume Ligneul <guillaume.ligneul@gmail.com>"); +MODULE_DESCRIPTION("LM73 driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_lm73_init); +module_exit(sensors_lm73_exit); diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 55bd87c..8ae2cfe 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -32,15 +32,12 @@ /* * This driver handles the LM75 and compatible digital temperature sensors. - * Only types which are _not_ listed in I2C_CLIENT_INSMOD_*() need to be - * listed here. We start at 9 since I2C_CLIENT_INSMOD_*() currently allow - * definition of up to 8 chip types (plus zero). */ enum lm75_type { /* keep sorted in alphabetical order */ - ds1775 = 9, + ds1775, ds75, - /* lm75 -- in I2C_CLIENT_INSMOD_1() */ + lm75, lm75a, max6625, max6626, @@ -58,9 +55,6 @@ enum lm75_type { /* keep sorted in alphabetical order */ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm75); - /* The LM75 registers */ #define LM75_REG_CONF 0x01 @@ -234,11 +228,12 @@ static const struct i2c_device_id lm75_ids[] = { MODULE_DEVICE_TABLE(i2c, lm75_ids); /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm75_detect(struct i2c_client *new_client, int kind, +static int lm75_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; int i; + int cur, conf, hyst, os; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) @@ -251,40 +246,35 @@ static int lm75_detect(struct i2c_client *new_client, int kind, The cycling+unused addresses combination is not tested, since it would significantly slow the detection down and would hardly add any value. */ - if (kind < 0) { - int cur, conf, hyst, os; - - /* Unused addresses */ - cur = i2c_smbus_read_word_data(new_client, 0); - conf = i2c_smbus_read_byte_data(new_client, 1); - hyst = i2c_smbus_read_word_data(new_client, 2); - if (i2c_smbus_read_word_data(new_client, 4) != hyst - || i2c_smbus_read_word_data(new_client, 5) != hyst - || i2c_smbus_read_word_data(new_client, 6) != hyst - || i2c_smbus_read_word_data(new_client, 7) != hyst) - return -ENODEV; - os = i2c_smbus_read_word_data(new_client, 3); - if (i2c_smbus_read_word_data(new_client, 4) != os - || i2c_smbus_read_word_data(new_client, 5) != os - || i2c_smbus_read_word_data(new_client, 6) != os - || i2c_smbus_read_word_data(new_client, 7) != os) - return -ENODEV; - /* Unused bits */ - if (conf & 0xe0) - return -ENODEV; + /* Unused addresses */ + cur = i2c_smbus_read_word_data(new_client, 0); + conf = i2c_smbus_read_byte_data(new_client, 1); + hyst = i2c_smbus_read_word_data(new_client, 2); + if (i2c_smbus_read_word_data(new_client, 4) != hyst + || i2c_smbus_read_word_data(new_client, 5) != hyst + || i2c_smbus_read_word_data(new_client, 6) != hyst + || i2c_smbus_read_word_data(new_client, 7) != hyst) + return -ENODEV; + os = i2c_smbus_read_word_data(new_client, 3); + if (i2c_smbus_read_word_data(new_client, 4) != os + || i2c_smbus_read_word_data(new_client, 5) != os + || i2c_smbus_read_word_data(new_client, 6) != os + || i2c_smbus_read_word_data(new_client, 7) != os) + return -ENODEV; + + /* Unused bits */ + if (conf & 0xe0) + return -ENODEV; - /* Addresses cycling */ - for (i = 8; i < 0xff; i += 8) - if (i2c_smbus_read_byte_data(new_client, i + 1) != conf - || i2c_smbus_read_word_data(new_client, i + 2) != hyst - || i2c_smbus_read_word_data(new_client, i + 3) != os) - return -ENODEV; + /* Addresses cycling */ + for (i = 8; i < 0xff; i += 8) { + if (i2c_smbus_read_byte_data(new_client, i + 1) != conf + || i2c_smbus_read_word_data(new_client, i + 2) != hyst + || i2c_smbus_read_word_data(new_client, i + 3) != os) + return -ENODEV; } - /* NOTE: we treat "force=..." and "force_lm75=..." the same. - * Only new-style driver binding distinguishes chip types. - */ strlcpy(info->type, "lm75", I2C_NAME_SIZE); return 0; @@ -299,7 +289,7 @@ static struct i2c_driver lm75_driver = { .remove = lm75_remove, .id_table = lm75_ids, .detect = lm75_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /*-----------------------------------------------------------------------*/ diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c index 866b401..b28a297 100644 --- a/drivers/hwmon/lm77.c +++ b/drivers/hwmon/lm77.c @@ -39,9 +39,6 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm77); - /* The LM77 registers */ #define LM77_REG_TEMP 0x00 #define LM77_REG_CONF 0x01 @@ -66,8 +63,7 @@ struct lm77_data { static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int lm77_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int lm77_detect(struct i2c_client *client, struct i2c_board_info *info); static void lm77_init_client(struct i2c_client *client); static int lm77_remove(struct i2c_client *client); static u16 lm77_read_value(struct i2c_client *client, u8 reg); @@ -77,7 +73,7 @@ static struct lm77_data *lm77_update_device(struct device *dev); static const struct i2c_device_id lm77_id[] = { - { "lm77", lm77 }, + { "lm77", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, lm77_id); @@ -92,7 +88,7 @@ static struct i2c_driver lm77_driver = { .remove = lm77_remove, .id_table = lm77_id, .detect = lm77_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* straight from the datasheet */ @@ -245,10 +241,11 @@ static const struct attribute_group lm77_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm77_detect(struct i2c_client *new_client, int kind, +static int lm77_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; + int i, cur, conf, hyst, crit, min, max; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) @@ -265,51 +262,48 @@ static int lm77_detect(struct i2c_client *new_client, int kind, 4. registers cycling over 8-address boundaries Word-sized registers are high-byte first. */ - if (kind < 0) { - int i, cur, conf, hyst, crit, min, max; - - /* addresses cycling */ - cur = i2c_smbus_read_word_data(new_client, 0); - conf = i2c_smbus_read_byte_data(new_client, 1); - hyst = i2c_smbus_read_word_data(new_client, 2); - crit = i2c_smbus_read_word_data(new_client, 3); - min = i2c_smbus_read_word_data(new_client, 4); - max = i2c_smbus_read_word_data(new_client, 5); - for (i = 8; i <= 0xff; i += 8) - if (i2c_smbus_read_byte_data(new_client, i + 1) != conf - || i2c_smbus_read_word_data(new_client, i + 2) != hyst - || i2c_smbus_read_word_data(new_client, i + 3) != crit - || i2c_smbus_read_word_data(new_client, i + 4) != min - || i2c_smbus_read_word_data(new_client, i + 5) != max) - return -ENODEV; - - /* sign bits */ - if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0) - || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0) - || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0) - || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0) - || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0)) - return -ENODEV; - /* unused bits */ - if (conf & 0xe0) + /* addresses cycling */ + cur = i2c_smbus_read_word_data(new_client, 0); + conf = i2c_smbus_read_byte_data(new_client, 1); + hyst = i2c_smbus_read_word_data(new_client, 2); + crit = i2c_smbus_read_word_data(new_client, 3); + min = i2c_smbus_read_word_data(new_client, 4); + max = i2c_smbus_read_word_data(new_client, 5); + for (i = 8; i <= 0xff; i += 8) { + if (i2c_smbus_read_byte_data(new_client, i + 1) != conf + || i2c_smbus_read_word_data(new_client, i + 2) != hyst + || i2c_smbus_read_word_data(new_client, i + 3) != crit + || i2c_smbus_read_word_data(new_client, i + 4) != min + || i2c_smbus_read_word_data(new_client, i + 5) != max) return -ENODEV; + } - /* 0x06 and 0x07 return the last read value */ - cur = i2c_smbus_read_word_data(new_client, 0); - if (i2c_smbus_read_word_data(new_client, 6) != cur - || i2c_smbus_read_word_data(new_client, 7) != cur) - return -ENODEV; - hyst = i2c_smbus_read_word_data(new_client, 2); - if (i2c_smbus_read_word_data(new_client, 6) != hyst - || i2c_smbus_read_word_data(new_client, 7) != hyst) - return -ENODEV; - min = i2c_smbus_read_word_data(new_client, 4); - if (i2c_smbus_read_word_data(new_client, 6) != min - || i2c_smbus_read_word_data(new_client, 7) != min) - return -ENODEV; + /* sign bits */ + if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0) + || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0) + || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0) + || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0) + || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0)) + return -ENODEV; - } + /* unused bits */ + if (conf & 0xe0) + return -ENODEV; + + /* 0x06 and 0x07 return the last read value */ + cur = i2c_smbus_read_word_data(new_client, 0); + if (i2c_smbus_read_word_data(new_client, 6) != cur + || i2c_smbus_read_word_data(new_client, 7) != cur) + return -ENODEV; + hyst = i2c_smbus_read_word_data(new_client, 2); + if (i2c_smbus_read_word_data(new_client, 6) != hyst + || i2c_smbus_read_word_data(new_client, 7) != hyst) + return -ENODEV; + min = i2c_smbus_read_word_data(new_client, 4); + if (i2c_smbus_read_word_data(new_client, 6) != min + || i2c_smbus_read_word_data(new_client, 7) != min) + return -ENODEV; strlcpy(info->type, "lm77", I2C_NAME_SIZE); diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index f7e7016..72ff2c4 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -41,8 +41,7 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; static unsigned short isa_address = 0x290; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_2(lm78, lm79); +enum chips { lm78, lm79 }; /* Many LM78 constants specified below */ @@ -142,7 +141,7 @@ struct lm78_data { }; -static int lm78_i2c_detect(struct i2c_client *client, int kind, +static int lm78_i2c_detect(struct i2c_client *client, struct i2c_board_info *info); static int lm78_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); @@ -173,7 +172,7 @@ static struct i2c_driver lm78_driver = { .remove = lm78_i2c_remove, .id_table = lm78_i2c_id, .detect = lm78_i2c_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static struct platform_driver lm78_isa_driver = { @@ -558,7 +557,7 @@ static int lm78_alias_detect(struct i2c_client *client, u8 chipid) return 1; } -static int lm78_i2c_detect(struct i2c_client *client, int kind, +static int lm78_i2c_detect(struct i2c_client *client, struct i2c_board_info *info) { int i; @@ -576,52 +575,34 @@ static int lm78_i2c_detect(struct i2c_client *client, int kind, if (isa) mutex_lock(&isa->update_lock); - if (kind < 0) { - if ((i2c_smbus_read_byte_data(client, LM78_REG_CONFIG) & 0x80) - || i2c_smbus_read_byte_data(client, LM78_REG_I2C_ADDR) - != address) - goto err_nodev; + if ((i2c_smbus_read_byte_data(client, LM78_REG_CONFIG) & 0x80) + || i2c_smbus_read_byte_data(client, LM78_REG_I2C_ADDR) != address) + goto err_nodev; - /* Explicitly prevent the misdetection of Winbond chips */ - i = i2c_smbus_read_byte_data(client, 0x4f); - if (i == 0xa3 || i == 0x5c) - goto err_nodev; - } + /* Explicitly prevent the misdetection of Winbond chips */ + i = i2c_smbus_read_byte_data(client, 0x4f); + if (i == 0xa3 || i == 0x5c) + goto err_nodev; /* Determine the chip type. */ - if (kind <= 0) { - i = i2c_smbus_read_byte_data(client, LM78_REG_CHIPID); - if (i == 0x00 || i == 0x20 /* LM78 */ - || i == 0x40) /* LM78-J */ - kind = lm78; - else if ((i & 0xfe) == 0xc0) - kind = lm79; - else { - if (kind == 0) - dev_warn(&adapter->dev, "Ignoring 'force' " - "parameter for unknown chip at " - "adapter %d, address 0x%02x\n", - i2c_adapter_id(adapter), address); - goto err_nodev; - } + i = i2c_smbus_read_byte_data(client, LM78_REG_CHIPID); + if (i == 0x00 || i == 0x20 /* LM78 */ + || i == 0x40) /* LM78-J */ + client_name = "lm78"; + else if ((i & 0xfe) == 0xc0) + client_name = "lm79"; + else + goto err_nodev; - if (lm78_alias_detect(client, i)) { - dev_dbg(&adapter->dev, "Device at 0x%02x appears to " - "be the same as ISA device\n", address); - goto err_nodev; - } + if (lm78_alias_detect(client, i)) { + dev_dbg(&adapter->dev, "Device at 0x%02x appears to " + "be the same as ISA device\n", address); + goto err_nodev; } if (isa) mutex_unlock(&isa->update_lock); - switch (kind) { - case lm79: - client_name = "lm79"; - break; - default: - client_name = "lm78"; - } strlcpy(info->type, client_name, I2C_NAME_SIZE); return 0; @@ -870,17 +851,16 @@ static struct lm78_data *lm78_update_device(struct device *dev) static int __init lm78_isa_found(unsigned short address) { int val, save, found = 0; - - /* We have to request the region in two parts because some - boards declare base+4 to base+7 as a PNP device */ - if (!request_region(address, 4, "lm78")) { - pr_debug("lm78: Failed to request low part of region\n"); - return 0; - } - if (!request_region(address + 4, 4, "lm78")) { - pr_debug("lm78: Failed to request high part of region\n"); - release_region(address, 4); - return 0; + int port; + + /* Some boards declare base+0 to base+7 as a PNP device, some base+4 + * to base+7 and some base+5 to base+6. So we better request each port + * individually for the probing phase. */ + for (port = address; port < address + LM78_EXTENT; port++) { + if (!request_region(port, 1, "lm78")) { + pr_debug("lm78: Failed to request port 0x%x\n", port); + goto release; + } } #define REALLY_SLOW_IO @@ -944,8 +924,8 @@ static int __init lm78_isa_found(unsigned short address) val & 0x80 ? "LM79" : "LM78", (int)address); release: - release_region(address + 4, 4); - release_region(address, 4); + for (port--; port >= address; port--) + release_region(port, 1); return found; } diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index bcffc18..18a0e6c 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -35,9 +35,6 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm80); - /* Many LM80 constants specified below */ /* The LM80 registers */ @@ -133,8 +130,7 @@ struct lm80_data { static int lm80_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int lm80_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info); static void lm80_init_client(struct i2c_client *client); static int lm80_remove(struct i2c_client *client); static struct lm80_data *lm80_update_device(struct device *dev); @@ -146,7 +142,7 @@ static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value); */ static const struct i2c_device_id lm80_id[] = { - { "lm80", lm80 }, + { "lm80", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, lm80_id); @@ -160,7 +156,7 @@ static struct i2c_driver lm80_driver = { .remove = lm80_remove, .id_table = lm80_id, .detect = lm80_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -447,8 +443,7 @@ static const struct attribute_group lm80_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm80_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; int i, cur; diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index e59e2d1..8290476 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -1,7 +1,7 @@ /* * lm83.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2008 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2009 Jean Delvare <khali@linux-fr.org> * * Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is * a sensor chip made by National Semiconductor. It reports up to four @@ -51,11 +51,7 @@ static const unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; -/* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_2(lm83, lm82); +enum chips { lm83, lm82 }; /* * The LM83 registers @@ -118,7 +114,7 @@ static const u8 LM83_REG_W_HIGH[] = { * Functions declaration */ -static int lm83_detect(struct i2c_client *new_client, int kind, +static int lm83_detect(struct i2c_client *new_client, struct i2c_board_info *info); static int lm83_probe(struct i2c_client *client, const struct i2c_device_id *id); @@ -145,7 +141,7 @@ static struct i2c_driver lm83_driver = { .remove = lm83_remove, .id_table = lm83_id, .detect = lm83_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -291,73 +287,44 @@ static const struct attribute_group lm83_group_opt = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm83_detect(struct i2c_client *new_client, int kind, +static int lm83_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; - const char *name = ""; + const char *name; + u8 man_id, chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* Now we do the detection and identification. A negative kind - * means that the driver was loaded with no force parameter - * (default), so we must both detect and identify the chip - * (actually there is only one possible kind of chip for now, LM83). - * A zero kind means that the driver was loaded with the force - * parameter, the detection step shall be skipped. A positive kind - * means that the driver was loaded with the force parameter and a - * given kind of chip is requested, so both the detection and the - * identification steps are skipped. */ - - /* Default to an LM83 if forced */ - if (kind == 0) - kind = lm83; - - if (kind < 0) { /* detection */ - if (((i2c_smbus_read_byte_data(new_client, LM83_REG_R_STATUS1) - & 0xA8) != 0x00) || - ((i2c_smbus_read_byte_data(new_client, LM83_REG_R_STATUS2) - & 0x48) != 0x00) || - ((i2c_smbus_read_byte_data(new_client, LM83_REG_R_CONFIG) - & 0x41) != 0x00)) { - dev_dbg(&adapter->dev, - "LM83 detection failed at 0x%02x.\n", - new_client->addr); - return -ENODEV; - } + /* Detection */ + if ((i2c_smbus_read_byte_data(new_client, LM83_REG_R_STATUS1) & 0xA8) || + (i2c_smbus_read_byte_data(new_client, LM83_REG_R_STATUS2) & 0x48) || + (i2c_smbus_read_byte_data(new_client, LM83_REG_R_CONFIG) & 0x41)) { + dev_dbg(&adapter->dev, "LM83 detection failed at 0x%02x\n", + new_client->addr); + return -ENODEV; } - if (kind <= 0) { /* identification */ - u8 man_id, chip_id; - - man_id = i2c_smbus_read_byte_data(new_client, - LM83_REG_R_MAN_ID); - chip_id = i2c_smbus_read_byte_data(new_client, - LM83_REG_R_CHIP_ID); - - if (man_id == 0x01) { /* National Semiconductor */ - if (chip_id == 0x03) { - kind = lm83; - } else - if (chip_id == 0x01) { - kind = lm82; - } - } - - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, - "Unsupported chip (man_id=0x%02X, " - "chip_id=0x%02X).\n", man_id, chip_id); - return -ENODEV; - } - } + /* Identification */ + man_id = i2c_smbus_read_byte_data(new_client, LM83_REG_R_MAN_ID); + if (man_id != 0x01) /* National Semiconductor */ + return -ENODEV; - if (kind == lm83) { + chip_id = i2c_smbus_read_byte_data(new_client, LM83_REG_R_CHIP_ID); + switch (chip_id) { + case 0x03: name = "lm83"; - } else - if (kind == lm82) { + break; + case 0x01: name = "lm82"; + break; + default: + /* identification failed */ + dev_info(&adapter->dev, + "Unsupported chip (man_id=0x%02X, chip_id=0x%02X)\n", + man_id, chip_id); + return -ENODEV; } strlcpy(info->type, name, I2C_NAME_SIZE); diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 6c53d98..b3841a6 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -5,7 +5,7 @@ Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com> - Copyright (C) 2007, 2008 Jean Delvare <khali@linux-fr.org> + Copyright (C) 2007--2009 Jean Delvare <khali@linux-fr.org> Chip details at <http://www.national.com/ds/LM/LM85.pdf> @@ -38,9 +38,11 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100, - emc6d102); +enum chips { + any_chip, lm85b, lm85c, + adm1027, adt7463, adt7468, + emc6d100, emc6d102 +}; /* The LM85 registers */ @@ -323,8 +325,7 @@ struct lm85_data { struct lm85_zone zone[3]; }; -static int lm85_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info); static int lm85_probe(struct i2c_client *client, const struct i2c_device_id *id); static int lm85_remove(struct i2c_client *client); @@ -357,7 +358,7 @@ static struct i2c_driver lm85_driver = { .remove = lm85_remove, .id_table = lm85_id, .detect = lm85_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; @@ -1156,113 +1157,85 @@ static int lm85_is_fake(struct i2c_client *client) } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm85_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; int address = client->addr; const char *type_name; + int company, verstep; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { /* We need to be able to do byte I/O */ return -ENODEV; } - /* If auto-detecting, determine the chip type */ - if (kind < 0) { - int company = lm85_read_value(client, LM85_REG_COMPANY); - int verstep = lm85_read_value(client, LM85_REG_VERSTEP); - - dev_dbg(&adapter->dev, "Detecting device at 0x%02x with " - "COMPANY: 0x%02x and VERSTEP: 0x%02x\n", - address, company, verstep); - - /* All supported chips have the version in common */ - if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC && - (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) { - dev_dbg(&adapter->dev, "Autodetection failed: " - "unsupported version\n"); - return -ENODEV; - } - kind = any_chip; - - /* Now, refine the detection */ - if (company == LM85_COMPANY_NATIONAL) { - switch (verstep) { - case LM85_VERSTEP_LM85C: - kind = lm85c; - break; - case LM85_VERSTEP_LM85B: - kind = lm85b; - break; - case LM85_VERSTEP_LM96000_1: - case LM85_VERSTEP_LM96000_2: - /* Check for Winbond WPCD377I */ - if (lm85_is_fake(client)) { - dev_dbg(&adapter->dev, - "Found Winbond WPCD377I, " - "ignoring\n"); - return -ENODEV; - } - break; - } - } else if (company == LM85_COMPANY_ANALOG_DEV) { - switch (verstep) { - case LM85_VERSTEP_ADM1027: - kind = adm1027; - break; - case LM85_VERSTEP_ADT7463: - case LM85_VERSTEP_ADT7463C: - kind = adt7463; - break; - case LM85_VERSTEP_ADT7468_1: - case LM85_VERSTEP_ADT7468_2: - kind = adt7468; - break; - } - } else if (company == LM85_COMPANY_SMSC) { - switch (verstep) { - case LM85_VERSTEP_EMC6D100_A0: - case LM85_VERSTEP_EMC6D100_A1: - /* Note: we can't tell a '100 from a '101 */ - kind = emc6d100; - break; - case LM85_VERSTEP_EMC6D102: - kind = emc6d102; - break; + /* Determine the chip type */ + company = lm85_read_value(client, LM85_REG_COMPANY); + verstep = lm85_read_value(client, LM85_REG_VERSTEP); + + dev_dbg(&adapter->dev, "Detecting device at 0x%02x with " + "COMPANY: 0x%02x and VERSTEP: 0x%02x\n", + address, company, verstep); + + /* All supported chips have the version in common */ + if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC && + (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) { + dev_dbg(&adapter->dev, + "Autodetection failed: unsupported version\n"); + return -ENODEV; + } + type_name = "lm85"; + + /* Now, refine the detection */ + if (company == LM85_COMPANY_NATIONAL) { + switch (verstep) { + case LM85_VERSTEP_LM85C: + type_name = "lm85c"; + break; + case LM85_VERSTEP_LM85B: + type_name = "lm85b"; + break; + case LM85_VERSTEP_LM96000_1: + case LM85_VERSTEP_LM96000_2: + /* Check for Winbond WPCD377I */ + if (lm85_is_fake(client)) { + dev_dbg(&adapter->dev, + "Found Winbond WPCD377I, ignoring\n"); + return -ENODEV; } - } else { - dev_dbg(&adapter->dev, "Autodetection failed: " - "unknown vendor\n"); - return -ENODEV; + break; + } + } else if (company == LM85_COMPANY_ANALOG_DEV) { + switch (verstep) { + case LM85_VERSTEP_ADM1027: + type_name = "adm1027"; + break; + case LM85_VERSTEP_ADT7463: + case LM85_VERSTEP_ADT7463C: + type_name = "adt7463"; + break; + case LM85_VERSTEP_ADT7468_1: + case LM85_VERSTEP_ADT7468_2: + type_name = "adt7468"; + break; + } + } else if (company == LM85_COMPANY_SMSC) { + switch (verstep) { + case LM85_VERSTEP_EMC6D100_A0: + case LM85_VERSTEP_EMC6D100_A1: + /* Note: we can't tell a '100 from a '101 */ + type_name = "emc6d100"; + break; + case LM85_VERSTEP_EMC6D102: + type_name = "emc6d102"; + break; } + } else { + dev_dbg(&adapter->dev, + "Autodetection failed: unknown vendor\n"); + return -ENODEV; } - switch (kind) { - case lm85b: - type_name = "lm85b"; - break; - case lm85c: - type_name = "lm85c"; - break; - case adm1027: - type_name = "adm1027"; - break; - case adt7463: - type_name = "adt7463"; - break; - case adt7468: - type_name = "adt7468"; - break; - case emc6d100: - type_name = "emc6d100"; - break; - case emc6d102: - type_name = "emc6d102"; - break; - default: - type_name = "lm85"; - } strlcpy(info->type, type_name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index 2e4a3ce..f1e6e75 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -74,11 +74,7 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -/* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_2(lm87, adm1024); +enum chips { lm87, adm1024 }; /* * The LM87 registers @@ -158,7 +154,7 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C }; static int lm87_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int lm87_detect(struct i2c_client *new_client, int kind, +static int lm87_detect(struct i2c_client *new_client, struct i2c_board_info *info); static void lm87_init_client(struct i2c_client *client); static int lm87_remove(struct i2c_client *client); @@ -184,7 +180,7 @@ static struct i2c_driver lm87_driver = { .remove = lm87_remove, .id_table = lm87_id, .detect = lm87_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -662,41 +658,36 @@ static const struct attribute_group lm87_group_opt = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm87_detect(struct i2c_client *new_client, int kind, +static int lm87_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; - static const char *names[] = { "lm87", "adm1024" }; + const char *name; + u8 cid, rev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* Default to an LM87 if forced */ - if (kind == 0) - kind = lm87; + if (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80) + return -ENODEV; /* Now, we do the remaining detection. */ - if (kind < 0) { - u8 cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); - u8 rev = lm87_read_value(new_client, LM87_REG_REVISION); - - if (cid == 0x02 /* National Semiconductor */ - && (rev >= 0x01 && rev <= 0x08)) - kind = lm87; - else if (cid == 0x41 /* Analog Devices */ - && (rev & 0xf0) == 0x10) - kind = adm1024; - - if (kind < 0 - || (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)) { - dev_dbg(&adapter->dev, - "LM87 detection failed at 0x%02x.\n", - new_client->addr); - return -ENODEV; - } + cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); + rev = lm87_read_value(new_client, LM87_REG_REVISION); + + if (cid == 0x02 /* National Semiconductor */ + && (rev >= 0x01 && rev <= 0x08)) + name = "lm87"; + else if (cid == 0x41 /* Analog Devices */ + && (rev & 0xf0) == 0x10) + name = "adm1024"; + else { + dev_dbg(&adapter->dev, "LM87 detection failed at 0x%02x\n", + new_client->addr); + return -ENODEV; } - strlcpy(info->type, names[kind - 1], I2C_NAME_SIZE); + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; } diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 1aff757..7cc2708 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -1,7 +1,7 @@ /* * lm90.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2008 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org> * * Based on the lm83 driver. The LM90 is a sensor chip made by National * Semiconductor. It reports up to two temperatures (its own plus up to @@ -93,12 +93,8 @@ static const unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; -/* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_8(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680, - max6646); +enum chips { lm90, adm1032, lm99, lm86, max6657, adt7461, max6680, max6646, + w83l771 }; /* * The LM90 registers @@ -152,11 +148,11 @@ I2C_CLIENT_INSMOD_8(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680, * Functions declaration */ -static int lm90_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info); +static int lm90_detect(struct i2c_client *client, struct i2c_board_info *info); static int lm90_probe(struct i2c_client *client, const struct i2c_device_id *id); static void lm90_init_client(struct i2c_client *client); +static void lm90_alert(struct i2c_client *client, unsigned int flag); static int lm90_remove(struct i2c_client *client); static struct lm90_data *lm90_update_device(struct device *dev); @@ -179,6 +175,7 @@ static const struct i2c_device_id lm90_id[] = { { "max6659", max6657 }, { "max6680", max6680 }, { "max6681", max6680 }, + { "w83l771", w83l771 }, { } }; MODULE_DEVICE_TABLE(i2c, lm90_id); @@ -190,9 +187,10 @@ static struct i2c_driver lm90_driver = { }, .probe = lm90_probe, .remove = lm90_remove, + .alert = lm90_alert, .id_table = lm90_id, .detect = lm90_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -207,6 +205,9 @@ struct lm90_data { int kind; int flags; + u8 config_orig; /* Original configuration register value */ + u8 alert_alarms; /* Which alarm bits trigger ALERT# */ + /* registers values */ s8 temp8[4]; /* 0: local low limit 1: local high limit @@ -656,159 +657,131 @@ static int lm90_read_reg(struct i2c_client* client, u8 reg, u8 *value) } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm90_detect(struct i2c_client *new_client, int kind, +static int lm90_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; int address = new_client->addr; - const char *name = ""; + const char *name = NULL; + int man_id, chip_id, reg_config1, reg_convrate; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip. A zero kind means that - * the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - - /* Default to an LM90 if forced */ - if (kind == 0) - kind = lm90; - - if (kind < 0) { /* detection and identification */ - int man_id, chip_id, reg_config1, reg_convrate; - - if ((man_id = i2c_smbus_read_byte_data(new_client, + /* detection and identification */ + if ((man_id = i2c_smbus_read_byte_data(new_client, LM90_REG_R_MAN_ID)) < 0 - || (chip_id = i2c_smbus_read_byte_data(new_client, + || (chip_id = i2c_smbus_read_byte_data(new_client, LM90_REG_R_CHIP_ID)) < 0 - || (reg_config1 = i2c_smbus_read_byte_data(new_client, + || (reg_config1 = i2c_smbus_read_byte_data(new_client, LM90_REG_R_CONFIG1)) < 0 - || (reg_convrate = i2c_smbus_read_byte_data(new_client, + || (reg_convrate = i2c_smbus_read_byte_data(new_client, LM90_REG_R_CONVRATE)) < 0) + return -ENODEV; + + if ((address == 0x4C || address == 0x4D) + && man_id == 0x01) { /* National Semiconductor */ + int reg_config2; + + reg_config2 = i2c_smbus_read_byte_data(new_client, + LM90_REG_R_CONFIG2); + if (reg_config2 < 0) return -ENODEV; - - if ((address == 0x4C || address == 0x4D) - && man_id == 0x01) { /* National Semiconductor */ - int reg_config2; - - if ((reg_config2 = i2c_smbus_read_byte_data(new_client, - LM90_REG_R_CONFIG2)) < 0) - return -ENODEV; - - if ((reg_config1 & 0x2A) == 0x00 - && (reg_config2 & 0xF8) == 0x00 - && reg_convrate <= 0x09) { - if (address == 0x4C - && (chip_id & 0xF0) == 0x20) { /* LM90 */ - kind = lm90; - } else - if ((chip_id & 0xF0) == 0x30) { /* LM89/LM99 */ - kind = lm99; - dev_info(&adapter->dev, - "Assuming LM99 chip at " - "0x%02x\n", address); - dev_info(&adapter->dev, - "If it is an LM89, pass " - "force_lm86=%d,0x%02x when " - "loading the lm90 driver\n", - i2c_adapter_id(adapter), - address); - } else - if (address == 0x4C - && (chip_id & 0xF0) == 0x10) { /* LM86 */ - kind = lm86; - } - } - } else - if ((address == 0x4C || address == 0x4D) - && man_id == 0x41) { /* Analog Devices */ - if ((chip_id & 0xF0) == 0x40 /* ADM1032 */ - && (reg_config1 & 0x3F) == 0x00 - && reg_convrate <= 0x0A) { - kind = adm1032; - } else - if (chip_id == 0x51 /* ADT7461 */ - && (reg_config1 & 0x1B) == 0x00 - && reg_convrate <= 0x0A) { - kind = adt7461; - } - } else - if (man_id == 0x4D) { /* Maxim */ - /* - * The MAX6657, MAX6658 and MAX6659 do NOT have a - * chip_id register. Reading from that address will - * return the last read value, which in our case is - * those of the man_id register. Likewise, the config1 - * register seems to lack a low nibble, so the value - * will be those of the previous read, so in our case - * those of the man_id register. - */ - if (chip_id == man_id - && (address == 0x4C || address == 0x4D) - && (reg_config1 & 0x1F) == (man_id & 0x0F) - && reg_convrate <= 0x09) { - kind = max6657; + + if ((reg_config1 & 0x2A) == 0x00 + && (reg_config2 & 0xF8) == 0x00 + && reg_convrate <= 0x09) { + if (address == 0x4C + && (chip_id & 0xF0) == 0x20) { /* LM90 */ + name = "lm90"; } else - /* The chip_id register of the MAX6680 and MAX6681 - * holds the revision of the chip. - * the lowest bit of the config1 register is unused - * and should return zero when read, so should the - * second to last bit of config1 (software reset) - */ - if (chip_id == 0x01 - && (reg_config1 & 0x03) == 0x00 - && reg_convrate <= 0x07) { - kind = max6680; + if ((chip_id & 0xF0) == 0x30) { /* LM89/LM99 */ + name = "lm99"; + dev_info(&adapter->dev, + "Assuming LM99 chip at 0x%02x\n", + address); + dev_info(&adapter->dev, + "If it is an LM89, instantiate it " + "with the new_device sysfs " + "interface\n"); } else - /* The chip_id register of the MAX6646/6647/6649 - * holds the revision of the chip. - * The lowest 6 bits of the config1 register are - * unused and should return zero when read. - */ - if (chip_id == 0x59 - && (reg_config1 & 0x3f) == 0x00 - && reg_convrate <= 0x07) { - kind = max6646; + if (address == 0x4C + && (chip_id & 0xF0) == 0x10) { /* LM86 */ + name = "lm86"; } } - - if (kind <= 0) { /* identification failed */ - dev_dbg(&adapter->dev, - "Unsupported chip at 0x%02x (man_id=0x%02X, " - "chip_id=0x%02X)\n", address, man_id, chip_id); - return -ENODEV; + } else + if ((address == 0x4C || address == 0x4D) + && man_id == 0x41) { /* Analog Devices */ + if ((chip_id & 0xF0) == 0x40 /* ADM1032 */ + && (reg_config1 & 0x3F) == 0x00 + && reg_convrate <= 0x0A) { + name = "adm1032"; + /* The ADM1032 supports PEC, but only if combined + transactions are not used. */ + if (i2c_check_functionality(adapter, + I2C_FUNC_SMBUS_BYTE)) + info->flags |= I2C_CLIENT_PEC; + } else + if (chip_id == 0x51 /* ADT7461 */ + && (reg_config1 & 0x1B) == 0x00 + && reg_convrate <= 0x0A) { + name = "adt7461"; + } + } else + if (man_id == 0x4D) { /* Maxim */ + /* + * The MAX6657, MAX6658 and MAX6659 do NOT have a chip_id + * register. Reading from that address will return the last + * read value, which in our case is those of the man_id + * register. Likewise, the config1 register seems to lack a + * low nibble, so the value will be those of the previous + * read, so in our case those of the man_id register. + */ + if (chip_id == man_id + && (address == 0x4C || address == 0x4D) + && (reg_config1 & 0x1F) == (man_id & 0x0F) + && reg_convrate <= 0x09) { + name = "max6657"; + } else + /* + * The chip_id register of the MAX6680 and MAX6681 holds the + * revision of the chip. The lowest bit of the config1 register + * is unused and should return zero when read, so should the + * second to last bit of config1 (software reset). + */ + if (chip_id == 0x01 + && (reg_config1 & 0x03) == 0x00 + && reg_convrate <= 0x07) { + name = "max6680"; + } else + /* + * The chip_id register of the MAX6646/6647/6649 holds the + * revision of the chip. The lowest 6 bits of the config1 + * register are unused and should return zero when read. + */ + if (chip_id == 0x59 + && (reg_config1 & 0x3f) == 0x00 + && reg_convrate <= 0x07) { + name = "max6646"; + } + } else + if (address == 0x4C + && man_id == 0x5C) { /* Winbond/Nuvoton */ + if ((chip_id & 0xFE) == 0x10 /* W83L771AWG/ASG */ + && (reg_config1 & 0x2A) == 0x00 + && reg_convrate <= 0x08) { + name = "w83l771"; } } - /* Fill the i2c board info */ - if (kind == lm90) { - name = "lm90"; - } else if (kind == adm1032) { - name = "adm1032"; - /* The ADM1032 supports PEC, but only if combined - transactions are not used. */ - if (i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE)) - info->flags |= I2C_CLIENT_PEC; - } else if (kind == lm99) { - name = "lm99"; - } else if (kind == lm86) { - name = "lm86"; - } else if (kind == max6657) { - name = "max6657"; - } else if (kind == max6680) { - name = "max6680"; - } else if (kind == adt7461) { - name = "adt7461"; - } else if (kind == max6646) { - name = "max6646"; + if (!name) { /* identification failed */ + dev_dbg(&adapter->dev, + "Unsupported chip at 0x%02x (man_id=0x%02X, " + "chip_id=0x%02X)\n", address, man_id, chip_id); + return -ENODEV; } + strlcpy(info->type, name, I2C_NAME_SIZE); return 0; @@ -836,6 +809,19 @@ static int lm90_probe(struct i2c_client *new_client, new_client->flags &= ~I2C_CLIENT_PEC; } + /* Different devices have different alarm bits triggering the + * ALERT# output */ + switch (data->kind) { + case lm90: + case lm99: + case lm86: + data->alert_alarms = 0x7b; + break; + default: + data->alert_alarms = 0x7c; + break; + } + /* Initialize the LM90 chip */ lm90_init_client(new_client); @@ -872,7 +858,7 @@ exit: static void lm90_init_client(struct i2c_client *client) { - u8 config, config_orig; + u8 config; struct lm90_data *data = i2c_get_clientdata(client); /* @@ -884,7 +870,7 @@ static void lm90_init_client(struct i2c_client *client) dev_warn(&client->dev, "Initialization failed!\n"); return; } - config_orig = config; + data->config_orig = config; /* Check Temperature Range Select */ if (data->kind == adt7461) { @@ -902,7 +888,7 @@ static void lm90_init_client(struct i2c_client *client) } config &= 0xBF; /* run */ - if (config != config_orig) /* Only write if changed */ + if (config != data->config_orig) /* Only write if changed */ i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config); } @@ -917,10 +903,46 @@ static int lm90_remove(struct i2c_client *client) device_remove_file(&client->dev, &sensor_dev_attr_temp2_offset.dev_attr); + /* Restore initial configuration */ + i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, + data->config_orig); + kfree(data); return 0; } +static void lm90_alert(struct i2c_client *client, unsigned int flag) +{ + struct lm90_data *data = i2c_get_clientdata(client); + u8 config, alarms; + + lm90_read_reg(client, LM90_REG_R_STATUS, &alarms); + if ((alarms & 0x7f) == 0) { + dev_info(&client->dev, "Everything OK\n"); + } else { + if (alarms & 0x61) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 1); + if (alarms & 0x1a) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 2); + if (alarms & 0x04) + dev_warn(&client->dev, + "temp%d diode open, please check!\n", 2); + + /* Disable ALERT# output, because these chips don't implement + SMBus alert correctly; they should only hold the alert line + low briefly. */ + if ((data->kind == adm1032 || data->kind == adt7461) + && (alarms & data->alert_alarms)) { + dev_dbg(&client->dev, "Disabling ALERT#\n"); + lm90_read_reg(client, LM90_REG_R_CONFIG1, &config); + i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, + config | 0x80); + } + } +} + static int lm90_read16(struct i2c_client *client, u8 regh, u8 regl, u16 *value) { int err; @@ -1008,6 +1030,21 @@ static struct lm90_data *lm90_update_device(struct device *dev) } lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms); + /* Re-enable ALERT# output if it was originally enabled and + * relevant alarms are all clear */ + if ((data->config_orig & 0x80) == 0 + && (data->alarms & data->alert_alarms) == 0) { + u8 config; + + lm90_read_reg(client, LM90_REG_R_CONFIG1, &config); + if (config & 0x80) { + dev_dbg(&client->dev, "Re-enabling ALERT#\n"); + i2c_smbus_write_byte_data(client, + LM90_REG_W_CONFIG1, + config & ~0x80); + } + } + data->last_updated = jiffies; data->valid = 1; } diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index b2e00c5..7c31e62 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -54,9 +54,6 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm92); - /* The LM92 registers */ #define LM92_REG_CONFIG 0x01 /* 8-bit, RW */ #define LM92_REG_TEMP 0x00 /* 16-bit, RO */ @@ -319,35 +316,26 @@ static const struct attribute_group lm92_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm92_detect(struct i2c_client *new_client, int kind, +static int lm92_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; + u8 config; + u16 man_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; - /* A negative kind means that the driver was loaded with no force - parameter (default), so we must identify the chip. */ - if (kind < 0) { - u8 config = i2c_smbus_read_byte_data(new_client, - LM92_REG_CONFIG); - u16 man_id = i2c_smbus_read_word_data(new_client, - LM92_REG_MAN_ID); - - if ((config & 0xe0) == 0x00 - && man_id == 0x0180) { - pr_info("lm92: Found National Semiconductor LM92 chip\n"); - kind = lm92; - } else - if (max6635_check(new_client)) { - pr_info("lm92: Found Maxim MAX6635 chip\n"); - kind = lm92; /* No separate prefix */ - } - else - return -ENODEV; - } + config = i2c_smbus_read_byte_data(new_client, LM92_REG_CONFIG); + man_id = i2c_smbus_read_word_data(new_client, LM92_REG_MAN_ID); + + if ((config & 0xe0) == 0x00 && man_id == 0x0180) + pr_info("lm92: Found National Semiconductor LM92 chip\n"); + else if (max6635_check(new_client)) + pr_info("lm92: Found Maxim MAX6635 chip\n"); + else + return -ENODEV; strlcpy(info->type, "lm92", I2C_NAME_SIZE); @@ -410,7 +398,7 @@ static int lm92_remove(struct i2c_client *client) */ static const struct i2c_device_id lm92_id[] = { - { "lm92", lm92 }, + { "lm92", 0 }, /* max6635 could be added here */ { } }; @@ -425,7 +413,7 @@ static struct i2c_driver lm92_driver = { .remove = lm92_remove, .id_table = lm92_id, .detect = lm92_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int __init sensors_lm92_init(void) diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c index fc36cad..6669255 100644 --- a/drivers/hwmon/lm93.c +++ b/drivers/hwmon/lm93.c @@ -145,7 +145,6 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm93); static int disable_block; module_param(disable_block, bool, 0); @@ -928,7 +927,7 @@ static void lm93_update_client_common(struct lm93_data *data, data->prochot_interval = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL); - /* Fan Boost Termperature registers */ + /* Fan Boost Temperature registers */ for (i = 0; i < 4; i++) data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i)); @@ -2501,38 +2500,27 @@ static void lm93_init_client(struct i2c_client *client) } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm93_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + int mfr, ver; if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN)) return -ENODEV; /* detection */ - if (kind < 0) { - int mfr = lm93_read_byte(client, LM93_REG_MFR_ID); - - if (mfr != 0x01) { - dev_dbg(&adapter->dev,"detect failed, " - "bad manufacturer id 0x%02x!\n", mfr); - return -ENODEV; - } + mfr = lm93_read_byte(client, LM93_REG_MFR_ID); + if (mfr != 0x01) { + dev_dbg(&adapter->dev, + "detect failed, bad manufacturer id 0x%02x!\n", mfr); + return -ENODEV; } - if (kind <= 0) { - int ver = lm93_read_byte(client, LM93_REG_VER); - - if ((ver == LM93_MFR_ID) || (ver == LM93_MFR_ID_PROTOTYPE)) { - kind = lm93; - } else { - dev_dbg(&adapter->dev,"detect failed, " - "bad version id 0x%02x!\n", ver); - if (kind == 0) - dev_dbg(&adapter->dev, - "(ignored 'force' parameter)\n"); - return -ENODEV; - } + ver = lm93_read_byte(client, LM93_REG_VER); + if (ver != LM93_MFR_ID && ver != LM93_MFR_ID_PROTOTYPE) { + dev_dbg(&adapter->dev, + "detect failed, bad version id 0x%02x!\n", ver); + return -ENODEV; } strlcpy(info->type, "lm93", I2C_NAME_SIZE); @@ -2613,7 +2601,7 @@ static int lm93_remove(struct i2c_client *client) } static const struct i2c_device_id lm93_id[] = { - { "lm93", lm93 }, + { "lm93", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, lm93_id); @@ -2627,7 +2615,7 @@ static struct i2c_driver lm93_driver = { .remove = lm93_remove, .id_table = lm93_id, .detect = lm93_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int __init lm93_init(void) diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index e34f9e4..8fc8eb8 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -39,9 +39,6 @@ static const unsigned short normal_i2c[] = { 0x19, 0x2a, 0x2b, I2C_CLIENT_END}; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm95241); - /* LM95241 registers */ #define LM95241_REG_R_MAN_ID 0xFE #define LM95241_REG_R_CHIP_ID 0xFF @@ -310,56 +307,28 @@ static const struct attribute_group lm95241_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int lm95241_detect(struct i2c_client *new_client, int kind, +static int lm95241_detect(struct i2c_client *new_client, struct i2c_board_info *info) { struct i2c_adapter *adapter = new_client->adapter; int address = new_client->addr; - const char *name = ""; + const char *name; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip. A zero kind means that - * the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - if (kind < 0) { /* detection */ - if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID) - != MANUFACTURER_ID) - || (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID) - < DEFAULT_REVISION)) { - dev_dbg(&adapter->dev, - "LM95241 detection failed at 0x%02x.\n", - address); - return -ENODEV; - } - } - - if (kind <= 0) { /* identification */ - if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID) - == MANUFACTURER_ID) - && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID) - >= DEFAULT_REVISION)) { - - kind = lm95241; - - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, "Unsupported chip\n"); - return -ENODEV; - } - } + if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID) + == MANUFACTURER_ID) + && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID) + >= DEFAULT_REVISION)) { + name = "lm95241"; + } else { + dev_dbg(&adapter->dev, "LM95241 detection failed at 0x%02x\n", + address); + return -ENODEV; } /* Fill the i2c board info */ - if (kind == lm95241) - name = "lm95241"; strlcpy(info->type, name, I2C_NAME_SIZE); return 0; } @@ -474,7 +443,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev) /* Driver data (common to all clients) */ static const struct i2c_device_id lm95241_id[] = { - { "lm95241", lm95241 }, + { "lm95241", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, lm95241_id); @@ -488,7 +457,7 @@ static struct i2c_driver lm95241_driver = { .remove = lm95241_remove, .id_table = lm95241_id, .detect = lm95241_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int __init sensors_lm95241_init(void) diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index 9ac4972..12a54aa 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -20,6 +20,7 @@ #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/spi/spi.h> +#include <linux/slab.h> #define MAX1111_TX_BUF_SIZE 1 #define MAX1111_RX_BUF_SIZE 2 diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 7897754..022ded0 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -41,12 +41,6 @@ static const unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END }; /* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_1(max1619); - -/* * The MAX1619 registers */ @@ -88,7 +82,7 @@ static int temp_to_reg(int val) static int max1619_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int max1619_detect(struct i2c_client *client, int kind, +static int max1619_detect(struct i2c_client *client, struct i2c_board_info *info); static void max1619_init_client(struct i2c_client *client); static int max1619_remove(struct i2c_client *client); @@ -99,7 +93,7 @@ static struct max1619_data *max1619_update_device(struct device *dev); */ static const struct i2c_device_id max1619_id[] = { - { "max1619", max1619 }, + { "max1619", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, max1619_id); @@ -113,7 +107,7 @@ static struct i2c_driver max1619_driver = { .remove = max1619_remove, .id_table = max1619_id, .detect = max1619_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -226,58 +220,34 @@ static const struct attribute_group max1619_group = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int max1619_detect(struct i2c_client *new_client, int kind, +static int max1619_detect(struct i2c_client *client, struct i2c_board_info *info) { - struct i2c_adapter *adapter = new_client->adapter; - u8 reg_config=0, reg_convrate=0, reg_status=0; + struct i2c_adapter *adapter = client->adapter; + u8 reg_config, reg_convrate, reg_status, man_id, chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip. A zero kind means that - * the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - if (kind < 0) { /* detection */ - reg_config = i2c_smbus_read_byte_data(new_client, - MAX1619_REG_R_CONFIG); - reg_convrate = i2c_smbus_read_byte_data(new_client, - MAX1619_REG_R_CONVRATE); - reg_status = i2c_smbus_read_byte_data(new_client, - MAX1619_REG_R_STATUS); - if ((reg_config & 0x03) != 0x00 - || reg_convrate > 0x07 || (reg_status & 0x61 ) !=0x00) { - dev_dbg(&adapter->dev, - "MAX1619 detection failed at 0x%02x.\n", - new_client->addr); - return -ENODEV; - } + /* detection */ + reg_config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG); + reg_convrate = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONVRATE); + reg_status = i2c_smbus_read_byte_data(client, MAX1619_REG_R_STATUS); + if ((reg_config & 0x03) != 0x00 + || reg_convrate > 0x07 || (reg_status & 0x61) != 0x00) { + dev_dbg(&adapter->dev, "MAX1619 detection failed at 0x%02x\n", + client->addr); + return -ENODEV; } - if (kind <= 0) { /* identification */ - u8 man_id, chip_id; - - man_id = i2c_smbus_read_byte_data(new_client, - MAX1619_REG_R_MAN_ID); - chip_id = i2c_smbus_read_byte_data(new_client, - MAX1619_REG_R_CHIP_ID); - - if ((man_id == 0x4D) && (chip_id == 0x04)) - kind = max1619; - - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, - "Unsupported chip (man_id=0x%02X, " - "chip_id=0x%02X).\n", man_id, chip_id); - return -ENODEV; - } + /* identification */ + man_id = i2c_smbus_read_byte_data(client, MAX1619_REG_R_MAN_ID); + chip_id = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CHIP_ID); + if (man_id != 0x4D || chip_id != 0x04) { + dev_info(&adapter->dev, + "Unsupported chip (man_id=0x%02X, chip_id=0x%02X).\n", + man_id, chip_id); + return -ENODEV; } strlcpy(info->type, "max1619", I2C_NAME_SIZE); diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c index 58f66be..a0160ee 100644 --- a/drivers/hwmon/max6650.c +++ b/drivers/hwmon/max6650.c @@ -62,8 +62,6 @@ module_param(fan_voltage, int, S_IRUGO); module_param(prescaler, int, S_IRUGO); module_param(clock, int, S_IRUGO); -I2C_CLIENT_INSMOD_1(max6650); - /* * MAX 6650/6651 registers */ @@ -116,7 +114,7 @@ I2C_CLIENT_INSMOD_1(max6650); static int max6650_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int max6650_detect(struct i2c_client *client, int kind, +static int max6650_detect(struct i2c_client *client, struct i2c_board_info *info); static int max6650_init_client(struct i2c_client *client); static int max6650_remove(struct i2c_client *client); @@ -127,7 +125,7 @@ static struct max6650_data *max6650_update_device(struct device *dev); */ static const struct i2c_device_id max6650_id[] = { - { "max6650", max6650 }, + { "max6650", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, max6650_id); @@ -141,7 +139,7 @@ static struct i2c_driver max6650_driver = { .remove = max6650_remove, .id_table = max6650_id, .detect = max6650_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -528,13 +526,13 @@ static struct attribute_group max6650_attr_grp = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int max6650_detect(struct i2c_client *client, int kind, +static int max6650_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; int address = client->addr; - dev_dbg(&adapter->dev, "max6650_detect called, kind = %d\n", kind); + dev_dbg(&adapter->dev, "max6650_detect called\n"); if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { dev_dbg(&adapter->dev, "max6650: I2C bus doesn't support " @@ -542,23 +540,7 @@ static int max6650_detect(struct i2c_client *client, int kind, return -ENODEV; } - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip (actually there is only - * one possible kind of chip for now, max6650). A zero kind means that - * the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - * - * Currently I can find no way to distinguish between a MAX6650 and - * a MAX6651. This driver has only been tried on the former. - */ - - if ((kind < 0) && - ( (i2c_smbus_read_byte_data(client, MAX6650_REG_CONFIG) & 0xC0) + if (((i2c_smbus_read_byte_data(client, MAX6650_REG_CONFIG) & 0xC0) ||(i2c_smbus_read_byte_data(client, MAX6650_REG_GPIO_STAT) & 0xE0) ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM_EN) & 0xE0) ||(i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM) & 0xE0) diff --git a/drivers/hwmon/mc13783-adc.c b/drivers/hwmon/mc13783-adc.c new file mode 100644 index 0000000..ce3c7bc --- /dev/null +++ b/drivers/hwmon/mc13783-adc.c @@ -0,0 +1,237 @@ +/* + * Driver for the Freescale Semiconductor MC13783 adc. + * + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2009 Sascha Hauer, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 51 + * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/mfd/mc13783-private.h> +#include <linux/platform_device.h> +#include <linux/hwmon-sysfs.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/hwmon.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/err.h> + +#define MC13783_ADC_NAME "mc13783-adc" + +struct mc13783_adc_priv { + struct mc13783 *mc13783; + struct device *hwmon_dev; +}; + +static ssize_t mc13783_adc_show_name(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + return sprintf(buf, "mc13783_adc\n"); +} + +static int mc13783_adc_read(struct device *dev, + struct device_attribute *devattr, unsigned int *val) +{ + struct platform_device *pdev = to_platform_device(dev); + struct mc13783_adc_priv *priv = platform_get_drvdata(pdev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + unsigned int channel = attr->index; + unsigned int sample[4]; + int ret; + + ret = mc13783_adc_do_conversion(priv->mc13783, + MC13783_ADC_MODE_MULT_CHAN, + channel, sample); + if (ret) + return ret; + + channel &= 0x7; + + *val = (sample[channel % 4] >> (channel > 3 ? 14 : 2)) & 0x3ff; + + return 0; +} + +static ssize_t mc13783_adc_read_bp(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + unsigned val; + int ret = mc13783_adc_read(dev, devattr, &val); + + if (ret) + return ret; + + /* + * BP (channel 2) reports with offset 2.4V to the actual value to fit + * the input range of the ADC. unit = 2.25mV = 9/4 mV. + */ + val = DIV_ROUND_CLOSEST(val * 9, 4) + 2400; + + return sprintf(buf, "%u\n", val); +} + +static ssize_t mc13783_adc_read_gp(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + unsigned val; + int ret = mc13783_adc_read(dev, devattr, &val); + + if (ret) + return ret; + + /* + * input range is [0, 2.3V], val has 10 bits, so each bit + * is worth 9/4 mV. + */ + val = DIV_ROUND_CLOSEST(val * 9, 4); + + return sprintf(buf, "%u\n", val); +} + +static DEVICE_ATTR(name, S_IRUGO, mc13783_adc_show_name, NULL); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, mc13783_adc_read_bp, NULL, 2); +static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, mc13783_adc_read_gp, NULL, 5); +static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, mc13783_adc_read_gp, NULL, 6); +static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, mc13783_adc_read_gp, NULL, 7); +static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, mc13783_adc_read_gp, NULL, 8); +static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, mc13783_adc_read_gp, NULL, 9); +static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, mc13783_adc_read_gp, NULL, 10); +static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, mc13783_adc_read_gp, NULL, 11); +static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, mc13783_adc_read_gp, NULL, 12); +static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, mc13783_adc_read_gp, NULL, 13); +static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, mc13783_adc_read_gp, NULL, 14); +static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, mc13783_adc_read_gp, NULL, 15); + +static struct attribute *mc13783_attr[] = { + &dev_attr_name.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in9_input.dev_attr.attr, + &sensor_dev_attr_in10_input.dev_attr.attr, + &sensor_dev_attr_in11_input.dev_attr.attr, + NULL +}; + +static const struct attribute_group mc13783_group = { + .attrs = mc13783_attr, +}; + +/* last four channels may be occupied by the touchscreen */ +static struct attribute *mc13783_attr_ts[] = { + &sensor_dev_attr_in12_input.dev_attr.attr, + &sensor_dev_attr_in13_input.dev_attr.attr, + &sensor_dev_attr_in14_input.dev_attr.attr, + &sensor_dev_attr_in15_input.dev_attr.attr, + NULL +}; + +static const struct attribute_group mc13783_group_ts = { + .attrs = mc13783_attr_ts, +}; + +static int __init mc13783_adc_probe(struct platform_device *pdev) +{ + struct mc13783_adc_priv *priv; + int ret; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->mc13783 = dev_get_drvdata(pdev->dev.parent); + + platform_set_drvdata(pdev, priv); + + /* Register sysfs hooks */ + ret = sysfs_create_group(&pdev->dev.kobj, &mc13783_group); + if (ret) + goto out_err_create1; + + if (!(priv->mc13783->flags & MC13783_USE_TOUCHSCREEN)) + ret = sysfs_create_group(&pdev->dev.kobj, &mc13783_group_ts); + if (ret) + goto out_err_create2; + + priv->hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(priv->hwmon_dev)) { + ret = PTR_ERR(priv->hwmon_dev); + dev_err(&pdev->dev, + "hwmon_device_register failed with %d.\n", ret); + goto out_err_register; + } + + + return 0; + +out_err_register: + + if (!(priv->mc13783->flags & MC13783_USE_TOUCHSCREEN)) + sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_ts); +out_err_create2: + + sysfs_remove_group(&pdev->dev.kobj, &mc13783_group); +out_err_create1: + + platform_set_drvdata(pdev, NULL); + kfree(priv); + + return ret; +} + +static int __devexit mc13783_adc_remove(struct platform_device *pdev) +{ + struct mc13783_adc_priv *priv = platform_get_drvdata(pdev); + + hwmon_device_unregister(priv->hwmon_dev); + + if (!(priv->mc13783->flags & MC13783_USE_TOUCHSCREEN)) + sysfs_remove_group(&pdev->dev.kobj, &mc13783_group_ts); + + sysfs_remove_group(&pdev->dev.kobj, &mc13783_group); + + platform_set_drvdata(pdev, NULL); + kfree(priv); + + return 0; +} + +static struct platform_driver mc13783_adc_driver = { + .remove = __devexit_p(mc13783_adc_remove), + .driver = { + .owner = THIS_MODULE, + .name = MC13783_ADC_NAME, + }, +}; + +static int __init mc13783_adc_init(void) +{ + return platform_driver_probe(&mc13783_adc_driver, mc13783_adc_probe); +} + +static void __exit mc13783_adc_exit(void) +{ + platform_driver_unregister(&mc13783_adc_driver); +} + +module_init(mc13783_adc_init); +module_exit(mc13783_adc_exit); + +MODULE_DESCRIPTION("MC13783 ADC driver"); +MODULE_AUTHOR("Luotao Fu <l.fu@pengutronix.de>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" MC13783_ADC_NAME); diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c index 1d7ffeb..d4478794 100644 --- a/drivers/hwmon/pcf8591.c +++ b/drivers/hwmon/pcf8591.c @@ -29,7 +29,6 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(pcf8591); static int input_mode; module_param(input_mode, int, 0); @@ -169,7 +168,7 @@ static const struct attribute_group pcf8591_attr_group_opt = { */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int pcf8591_detect(struct i2c_client *client, int kind, +static int pcf8591_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -299,7 +298,7 @@ static struct i2c_driver pcf8591_driver = { .class = I2C_CLASS_HWMON, /* Nearest choice */ .detect = pcf8591_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int __init pcf8591_init(void) diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c index 7183541..3f3f9a4 100644 --- a/drivers/hwmon/s3c-hwmon.c +++ b/drivers/hwmon/s3c-hwmon.c @@ -323,7 +323,7 @@ static int __devinit s3c_hwmon_probe(struct platform_device *dev) } for (i = 0; i < ARRAY_SIZE(pdata->in); i++) { - struct s3c24xx_adc_hwmon_incfg *cfg = pdata->in[i]; + struct s3c_hwmon_chcfg *cfg = pdata->in[i]; if (!cfg) continue; @@ -333,7 +333,7 @@ static int __devinit s3c_hwmon_probe(struct platform_device *dev) "channel %d multiplier too large\n", i); - if (cfg->divider == 0) { + if (cfg->div == 0) { dev_err(&dev->dev, "channel %d divider zero\n", i); continue; } diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index ebe38b6..6b2d8ae 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -36,6 +36,7 @@ #include <linux/err.h> #include <linux/sht15.h> #include <linux/regulator/consumer.h> +#include <linux/slab.h> #include <asm/atomic.h> #define SHT15_MEASURE_TEMP 3 @@ -305,7 +306,7 @@ static inline int sht15_calc_temp(struct sht15_data *data) int d1 = 0; int i; - for (i = 1; i < ARRAY_SIZE(temppoints) - 1; i++) + for (i = 1; i < ARRAY_SIZE(temppoints); i++) /* Find pointer to interpolate */ if (data->supply_uV > temppoints[i - 1].vdd) { d1 = (data->supply_uV/1000 - temppoints[i - 1].vdd) @@ -332,12 +333,12 @@ static inline int sht15_calc_humid(struct sht15_data *data) const int c1 = -4; const int c2 = 40500; /* x 10 ^ -6 */ - const int c3 = 2800; /* x10 ^ -9 */ + const int c3 = -2800; /* x10 ^ -9 */ RHlinear = c1*1000 + c2 * data->val_humid/1000 + (data->val_humid * data->val_humid * c3)/1000000; - return (temp - 25000) * (10000 + 800 * data->val_humid) + return (temp - 25000) * (10000 + 80 * data->val_humid) / 1000000 + RHlinear; } diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 12f2e70..79c2931 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -697,7 +697,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev) return data; } -static struct pci_device_id sis5595_pci_ids[] = { +static const struct pci_device_id sis5595_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) }, { 0, } }; diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index 8ad50fd..8fa462f 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -136,11 +136,11 @@ struct smsc47m1_data { struct smsc47m1_sio_data { enum chips type; + u8 activate; /* Remember initial device state */ }; -static int smsc47m1_probe(struct platform_device *pdev); -static int __devexit smsc47m1_remove(struct platform_device *pdev); +static int __exit smsc47m1_remove(struct platform_device *pdev); static struct smsc47m1_data *smsc47m1_update_device(struct device *dev, int init); @@ -160,8 +160,7 @@ static struct platform_driver smsc47m1_driver = { .owner = THIS_MODULE, .name = DRVNAME, }, - .probe = smsc47m1_probe, - .remove = __devexit_p(smsc47m1_remove), + .remove = __exit_p(smsc47m1_remove), }; static ssize_t get_fan(struct device *dev, struct device_attribute @@ -470,24 +469,126 @@ static int __init smsc47m1_find(unsigned short *addr, superio_select(); *addr = (superio_inb(SUPERIO_REG_BASE) << 8) | superio_inb(SUPERIO_REG_BASE + 1); - val = superio_inb(SUPERIO_REG_ACT); - if (*addr == 0 || (val & 0x01) == 0) { - pr_info(DRVNAME ": Device is disabled, will not use\n"); + if (*addr == 0) { + pr_info(DRVNAME ": Device address not set, will not use\n"); superio_exit(); return -ENODEV; } + /* Enable only if address is set (needed at least on the + * Compaq Presario S4000NX) */ + sio_data->activate = superio_inb(SUPERIO_REG_ACT); + if ((sio_data->activate & 0x01) == 0) { + pr_info(DRVNAME ": Enabling device\n"); + superio_outb(SUPERIO_REG_ACT, sio_data->activate | 0x01); + } + superio_exit(); return 0; } -static int __devinit smsc47m1_probe(struct platform_device *pdev) +/* Restore device to its initial state */ +static void smsc47m1_restore(const struct smsc47m1_sio_data *sio_data) +{ + if ((sio_data->activate & 0x01) == 0) { + superio_enter(); + superio_select(); + + pr_info(DRVNAME ": Disabling device\n"); + superio_outb(SUPERIO_REG_ACT, sio_data->activate); + + superio_exit(); + } +} + +#define CHECK 1 +#define REQUEST 2 +#define RELEASE 3 + +/* + * This function can be used to: + * - test for resource conflicts with ACPI + * - request the resources + * - release the resources + * We only allocate the I/O ports we really need, to minimize the risk of + * conflicts with ACPI or with other drivers. + */ +static int smsc47m1_handle_resources(unsigned short address, enum chips type, + int action, struct device *dev) +{ + static const u8 ports_m1[] = { + /* register, region length */ + 0x04, 1, + 0x33, 4, + 0x56, 7, + }; + + static const u8 ports_m2[] = { + /* register, region length */ + 0x04, 1, + 0x09, 1, + 0x2c, 2, + 0x35, 4, + 0x56, 7, + 0x69, 4, + }; + + int i, ports_size, err; + const u8 *ports; + + switch (type) { + case smsc47m1: + default: + ports = ports_m1; + ports_size = ARRAY_SIZE(ports_m1); + break; + case smsc47m2: + ports = ports_m2; + ports_size = ARRAY_SIZE(ports_m2); + break; + } + + for (i = 0; i + 1 < ports_size; i += 2) { + unsigned short start = address + ports[i]; + unsigned short len = ports[i + 1]; + + switch (action) { + case CHECK: + /* Only check for conflicts */ + err = acpi_check_region(start, len, DRVNAME); + if (err) + return err; + break; + case REQUEST: + /* Request the resources */ + if (!request_region(start, len, DRVNAME)) { + dev_err(dev, "Region 0x%hx-0x%hx already in " + "use!\n", start, start + len); + + /* Undo all requests */ + for (i -= 2; i >= 0; i -= 2) + release_region(address + ports[i], + ports[i + 1]); + return -EBUSY; + } + break; + case RELEASE: + /* Release the resources */ + release_region(start, len); + break; + } + } + + return 0; +} + +static int __init smsc47m1_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct smsc47m1_sio_data *sio_data = dev->platform_data; struct smsc47m1_data *data; struct resource *res; - int err = 0; + int err; int fan1, fan2, fan3, pwm1, pwm2, pwm3; static const char *names[] = { @@ -496,12 +597,10 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev) }; res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!request_region(res->start, SMSC_EXTENT, DRVNAME)) { - dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", - (unsigned long)res->start, - (unsigned long)res->end); - return -EBUSY; - } + err = smsc47m1_handle_resources(res->start, sio_data->type, + REQUEST, dev); + if (err < 0) + return err; if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) { err = -ENOMEM; @@ -637,11 +736,11 @@ error_free: platform_set_drvdata(pdev, NULL); kfree(data); error_release: - release_region(res->start, SMSC_EXTENT); + smsc47m1_handle_resources(res->start, sio_data->type, RELEASE, dev); return err; } -static int __devexit smsc47m1_remove(struct platform_device *pdev) +static int __exit smsc47m1_remove(struct platform_device *pdev) { struct smsc47m1_data *data = platform_get_drvdata(pdev); struct resource *res; @@ -650,7 +749,7 @@ static int __devexit smsc47m1_remove(struct platform_device *pdev) sysfs_remove_group(&pdev->dev.kobj, &smsc47m1_group); res = platform_get_resource(pdev, IORESOURCE_IO, 0); - release_region(res->start, SMSC_EXTENT); + smsc47m1_handle_resources(res->start, data->type, RELEASE, &pdev->dev); platform_set_drvdata(pdev, NULL); kfree(data); @@ -717,7 +816,7 @@ static int __init smsc47m1_device_add(unsigned short address, }; int err; - err = acpi_check_resource_conflict(&res); + err = smsc47m1_handle_resources(address, sio_data->type, CHECK, NULL); if (err) goto exit; @@ -766,27 +865,29 @@ static int __init sm_smsc47m1_init(void) if (smsc47m1_find(&address, &sio_data)) return -ENODEV; - err = platform_driver_register(&smsc47m1_driver); + /* Sets global pdev as a side effect */ + err = smsc47m1_device_add(address, &sio_data); if (err) goto exit; - /* Sets global pdev as a side effect */ - err = smsc47m1_device_add(address, &sio_data); + err = platform_driver_probe(&smsc47m1_driver, smsc47m1_probe); if (err) - goto exit_driver; + goto exit_device; return 0; -exit_driver: - platform_driver_unregister(&smsc47m1_driver); +exit_device: + platform_device_unregister(pdev); + smsc47m1_restore(&sio_data); exit: return err; } static void __exit sm_smsc47m1_exit(void) { - platform_device_unregister(pdev); platform_driver_unregister(&smsc47m1_driver); + smsc47m1_restore(pdev->dev.platform_data); + platform_device_unregister(pdev); } MODULE_AUTHOR("Mark D. Studebaker <mdsxyz123@yahoo.com>"); diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index 8bb5cb5..40b2667 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -36,9 +36,6 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_1(smsc47m192); - /* SMSC47M192 registers */ #define SMSC47M192_REG_IN(nr) ((nr)<6 ? (0x20 + (nr)) : \ (0x50 + (nr) - 6)) @@ -115,13 +112,13 @@ struct smsc47m192_data { static int smsc47m192_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int smsc47m192_detect(struct i2c_client *client, int kind, +static int smsc47m192_detect(struct i2c_client *client, struct i2c_board_info *info); static int smsc47m192_remove(struct i2c_client *client); static struct smsc47m192_data *smsc47m192_update_device(struct device *dev); static const struct i2c_device_id smsc47m192_id[] = { - { "smsc47m192", smsc47m192 }, + { "smsc47m192", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, smsc47m192_id); @@ -135,7 +132,7 @@ static struct i2c_driver smsc47m192_driver = { .remove = smsc47m192_remove, .id_table = smsc47m192_id, .detect = smsc47m192_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* Voltages */ @@ -481,7 +478,7 @@ static void smsc47m192_init_client(struct i2c_client *client) } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int smsc47m192_detect(struct i2c_client *client, int kind, +static int smsc47m192_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -491,24 +488,22 @@ static int smsc47m192_detect(struct i2c_client *client, int kind, return -ENODEV; /* Detection criteria from sensors_detect script */ - if (kind < 0) { - if (i2c_smbus_read_byte_data(client, + version = i2c_smbus_read_byte_data(client, SMSC47M192_REG_VERSION); + if (i2c_smbus_read_byte_data(client, SMSC47M192_REG_COMPANY_ID) == 0x55 - && ((version = i2c_smbus_read_byte_data(client, - SMSC47M192_REG_VERSION)) & 0xf0) == 0x20 - && (i2c_smbus_read_byte_data(client, + && (version & 0xf0) == 0x20 + && (i2c_smbus_read_byte_data(client, SMSC47M192_REG_VID) & 0x70) == 0x00 - && (i2c_smbus_read_byte_data(client, + && (i2c_smbus_read_byte_data(client, SMSC47M192_REG_VID4) & 0xfe) == 0x80) { - dev_info(&adapter->dev, - "found SMSC47M192 or compatible, " - "version 2, stepping A%d\n", version & 0x0f); - } else { - dev_dbg(&adapter->dev, - "SMSC47M192 detection failed at 0x%02x\n", - client->addr); - return -ENODEV; - } + dev_info(&adapter->dev, + "found SMSC47M192 or compatible, " + "version 2, stepping A%d\n", version & 0x0f); + } else { + dev_dbg(&adapter->dev, + "SMSC47M192 detection failed at 0x%02x\n", + client->addr); + return -ENODEV; } strlcpy(info->type, "smsc47m192", I2C_NAME_SIZE); diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c index 7d97431..7dfb4de 100644 --- a/drivers/hwmon/thmc50.c +++ b/drivers/hwmon/thmc50.c @@ -35,8 +35,12 @@ MODULE_LICENSE("GPL"); static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_2(thmc50, adm1022); -I2C_CLIENT_MODULE_PARM(adm1022_temp3, "List of adapter,address pairs " +enum chips { thmc50, adm1022 }; + +static unsigned short adm1022_temp3[16]; +static unsigned int adm1022_temp3_num; +module_param_array(adm1022_temp3, ushort, &adm1022_temp3_num, 0); +MODULE_PARM_DESC(adm1022_temp3, "List of adapter,address pairs " "to enable 3rd temperature (ADM1022 only)"); /* Many THMC50 constants specified below */ @@ -80,7 +84,7 @@ struct thmc50_data { u8 alarms; }; -static int thmc50_detect(struct i2c_client *client, int kind, +static int thmc50_detect(struct i2c_client *client, struct i2c_board_info *info); static int thmc50_probe(struct i2c_client *client, const struct i2c_device_id *id); @@ -104,7 +108,7 @@ static struct i2c_driver thmc50_driver = { .remove = thmc50_remove, .id_table = thmc50_id, .detect = thmc50_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static ssize_t show_analog_out(struct device *dev, @@ -282,14 +286,13 @@ static const struct attribute_group temp3_group = { }; /* Return 0 if detection is successful, -ENODEV otherwise */ -static int thmc50_detect(struct i2c_client *client, int kind, +static int thmc50_detect(struct i2c_client *client, struct i2c_board_info *info) { unsigned company; unsigned revision; unsigned config; struct i2c_adapter *adapter = client->adapter; - int err = 0; const char *type_name; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { @@ -301,31 +304,13 @@ static int thmc50_detect(struct i2c_client *client, int kind, pr_debug("thmc50: Probing for THMC50 at 0x%2X on bus %d\n", client->addr, i2c_adapter_id(client->adapter)); - /* Now, we do the remaining detection. */ company = i2c_smbus_read_byte_data(client, THMC50_REG_COMPANY_ID); revision = i2c_smbus_read_byte_data(client, THMC50_REG_DIE_CODE); config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); + if (revision < 0xc0 || (config & 0x10)) + return -ENODEV; - if (kind == 0) - kind = thmc50; - else if (kind < 0) { - err = -ENODEV; - if (revision >= 0xc0 && ((config & 0x10) == 0)) { - if (company == 0x49) { - kind = thmc50; - err = 0; - } else if (company == 0x41) { - kind = adm1022; - err = 0; - } - } - } - if (err == -ENODEV) { - pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n"); - return err; - } - - if (kind == adm1022) { + if (company == 0x41) { int id = i2c_adapter_id(client->adapter); int i; @@ -340,9 +325,13 @@ static int thmc50_detect(struct i2c_client *client, int kind, config); break; } - } else { + } else if (company == 0x49) { type_name = "thmc50"; + } else { + pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n"); + return -ENODEV; } + pr_debug("thmc50: Detected %s (version %x, revision %x)\n", type_name, (revision >> 4) - 0xc, revision & 0xf); diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c index 7b34f2c..d14a1af 100644 --- a/drivers/hwmon/tmp401.c +++ b/drivers/hwmon/tmp401.c @@ -42,8 +42,7 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_2(tmp401, tmp411); +enum chips { tmp401, tmp411 }; /* * The TMP401 registers, note some registers have different addresses for @@ -98,7 +97,7 @@ static const u8 TMP411_TEMP_HIGHEST_LSB[2] = { 0x33, 0x37 }; static int tmp401_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int tmp401_detect(struct i2c_client *client, int kind, +static int tmp401_detect(struct i2c_client *client, struct i2c_board_info *info); static int tmp401_remove(struct i2c_client *client); static struct tmp401_data *tmp401_update_device(struct device *dev); @@ -123,7 +122,7 @@ static struct i2c_driver tmp401_driver = { .remove = tmp401_remove, .id_table = tmp401_id, .detect = tmp401_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -135,7 +134,7 @@ struct tmp401_data { struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ - int kind; + enum chips kind; /* register values */ u8 status; @@ -488,47 +487,44 @@ static void tmp401_init_client(struct i2c_client *client) i2c_smbus_write_byte_data(client, TMP401_CONFIG_WRITE, config); } -static int tmp401_detect(struct i2c_client *client, int kind, +static int tmp401_detect(struct i2c_client *client, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; + u8 reg; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; /* Detect and identify the chip */ - if (kind <= 0) { - u8 reg; - - reg = i2c_smbus_read_byte_data(client, - TMP401_MANUFACTURER_ID_REG); - if (reg != TMP401_MANUFACTURER_ID) - return -ENODEV; - - reg = i2c_smbus_read_byte_data(client, TMP401_DEVICE_ID_REG); - - switch (reg) { - case TMP401_DEVICE_ID: - kind = tmp401; - break; - case TMP411_DEVICE_ID: - kind = tmp411; - break; - default: - return -ENODEV; - } + reg = i2c_smbus_read_byte_data(client, TMP401_MANUFACTURER_ID_REG); + if (reg != TMP401_MANUFACTURER_ID) + return -ENODEV; - reg = i2c_smbus_read_byte_data(client, TMP401_CONFIG_READ); - if (reg & 0x1b) - return -ENODEV; + reg = i2c_smbus_read_byte_data(client, TMP401_DEVICE_ID_REG); - reg = i2c_smbus_read_byte_data(client, - TMP401_CONVERSION_RATE_READ); - /* Datasheet says: 0x1-0x6 */ - if (reg > 15) - return -ENODEV; + switch (reg) { + case TMP401_DEVICE_ID: + kind = tmp401; + break; + case TMP411_DEVICE_ID: + kind = tmp411; + break; + default: + return -ENODEV; } - strlcpy(info->type, tmp401_id[kind - 1].name, I2C_NAME_SIZE); + + reg = i2c_smbus_read_byte_data(client, TMP401_CONFIG_READ); + if (reg & 0x1b) + return -ENODEV; + + reg = i2c_smbus_read_byte_data(client, TMP401_CONVERSION_RATE_READ); + /* Datasheet says: 0x1-0x6 */ + if (reg > 15) + return -ENODEV; + + strlcpy(info->type, tmp401_id[kind].name, I2C_NAME_SIZE); return 0; } @@ -576,8 +572,7 @@ static int tmp401_probe(struct i2c_client *client, goto exit_remove; } - dev_info(&client->dev, "Detected TI %s chip\n", - names[data->kind - 1]); + dev_info(&client->dev, "Detected TI %s chip\n", names[data->kind]); return 0; diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index 2092434..738c472 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -39,8 +39,7 @@ static unsigned short normal_i2c[] = { 0x2a, 0x4c, 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_3(tmp421, tmp422, tmp423); +enum chips { tmp421, tmp422, tmp423 }; /* The TMP421 registers */ #define TMP421_CONFIG_REG_1 0x09 @@ -62,9 +61,9 @@ static const u8 TMP421_TEMP_LSB[4] = { 0x10, 0x11, 0x12, 0x13 }; #define TMP423_DEVICE_ID 0x23 static const struct i2c_device_id tmp421_id[] = { - { "tmp421", tmp421 }, - { "tmp422", tmp422 }, - { "tmp423", tmp423 }, + { "tmp421", 2 }, + { "tmp422", 3 }, + { "tmp423", 4 }, { } }; MODULE_DEVICE_TABLE(i2c, tmp421_id); @@ -74,21 +73,23 @@ struct tmp421_data { struct mutex update_lock; char valid; unsigned long last_updated; - int kind; + int channels; u8 config; s16 temp[4]; }; static int temp_from_s16(s16 reg) { - int temp = reg; + /* Mask out status bits */ + int temp = reg & ~0xf; return (temp * 1000 + 128) / 256; } static int temp_from_u16(u16 reg) { - int temp = reg; + /* Mask out status bits */ + int temp = reg & ~0xf; /* Add offset for extended temperature range. */ temp -= 64 * 256; @@ -108,7 +109,7 @@ static struct tmp421_data *tmp421_update_device(struct device *dev) data->config = i2c_smbus_read_byte_data(client, TMP421_CONFIG_REG_1); - for (i = 0; i <= data->kind; i++) { + for (i = 0; i < data->channels; i++) { data->temp[i] = i2c_smbus_read_byte_data(client, TMP421_TEMP_MSB[i]) << 8; data->temp[i] |= i2c_smbus_read_byte_data(client, @@ -167,7 +168,7 @@ static mode_t tmp421_is_visible(struct kobject *kobj, struct attribute *a, devattr = container_of(a, struct device_attribute, attr); index = to_sensor_dev_attr(devattr)->index; - if (data->kind > index) + if (index < data->channels) return a->mode; return 0; @@ -223,42 +224,39 @@ static int tmp421_init_client(struct i2c_client *client) return 0; } -static int tmp421_detect(struct i2c_client *client, int kind, +static int tmp421_detect(struct i2c_client *client, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; const char *names[] = { "TMP421", "TMP422", "TMP423" }; + u8 reg; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - if (kind <= 0) { - u8 reg; - - reg = i2c_smbus_read_byte_data(client, - TMP421_MANUFACTURER_ID_REG); - if (reg != TMP421_MANUFACTURER_ID) - return -ENODEV; - - reg = i2c_smbus_read_byte_data(client, - TMP421_DEVICE_ID_REG); - switch (reg) { - case TMP421_DEVICE_ID: - kind = tmp421; - break; - case TMP422_DEVICE_ID: - kind = tmp422; - break; - case TMP423_DEVICE_ID: - kind = tmp423; - break; - default: - return -ENODEV; - } + reg = i2c_smbus_read_byte_data(client, TMP421_MANUFACTURER_ID_REG); + if (reg != TMP421_MANUFACTURER_ID) + return -ENODEV; + + reg = i2c_smbus_read_byte_data(client, TMP421_DEVICE_ID_REG); + switch (reg) { + case TMP421_DEVICE_ID: + kind = tmp421; + break; + case TMP422_DEVICE_ID: + kind = tmp422; + break; + case TMP423_DEVICE_ID: + kind = tmp423; + break; + default: + return -ENODEV; } - strlcpy(info->type, tmp421_id[kind - 1].name, I2C_NAME_SIZE); + + strlcpy(info->type, tmp421_id[kind].name, I2C_NAME_SIZE); dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n", - names[kind - 1], client->addr); + names[kind], client->addr); return 0; } @@ -275,7 +273,7 @@ static int tmp421_probe(struct i2c_client *client, i2c_set_clientdata(client, data); mutex_init(&data->update_lock); - data->kind = id->driver_data; + data->channels = id->driver_data; err = tmp421_init_client(client); if (err) @@ -325,7 +323,7 @@ static struct i2c_driver tmp421_driver = { .remove = tmp421_remove, .id_table = tmp421_id, .detect = tmp421_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static int __init tmp421_init(void) diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c new file mode 100644 index 0000000..7442cf7 --- /dev/null +++ b/drivers/hwmon/via-cputemp.c @@ -0,0 +1,356 @@ +/* + * via-cputemp.c - Driver for VIA CPU core temperature monitoring + * Copyright (C) 2009 VIA Technologies, Inc. + * + * based on existing coretemp.c, which is + * + * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA. + */ + +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/hwmon.h> +#include <linux/sysfs.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/list.h> +#include <linux/platform_device.h> +#include <linux/cpu.h> +#include <asm/msr.h> +#include <asm/processor.h> + +#define DRVNAME "via_cputemp" + +enum { SHOW_TEMP, SHOW_LABEL, SHOW_NAME } SHOW; + +/* + * Functions declaration + */ + +struct via_cputemp_data { + struct device *hwmon_dev; + const char *name; + u32 id; + u32 msr; +}; + +/* + * Sysfs stuff + */ + +static ssize_t show_name(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + int ret; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct via_cputemp_data *data = dev_get_drvdata(dev); + + if (attr->index == SHOW_NAME) + ret = sprintf(buf, "%s\n", data->name); + else /* show label */ + ret = sprintf(buf, "Core %d\n", data->id); + return ret; +} + +static ssize_t show_temp(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct via_cputemp_data *data = dev_get_drvdata(dev); + u32 eax, edx; + int err; + + err = rdmsr_safe_on_cpu(data->id, data->msr, &eax, &edx); + if (err) + return -EAGAIN; + + return sprintf(buf, "%lu\n", ((unsigned long)eax & 0xffffff) * 1000); +} + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, + SHOW_TEMP); +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_name, NULL, SHOW_LABEL); +static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, SHOW_NAME); + +static struct attribute *via_cputemp_attributes[] = { + &sensor_dev_attr_name.dev_attr.attr, + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL +}; + +static const struct attribute_group via_cputemp_group = { + .attrs = via_cputemp_attributes, +}; + +static int __devinit via_cputemp_probe(struct platform_device *pdev) +{ + struct via_cputemp_data *data; + struct cpuinfo_x86 *c = &cpu_data(pdev->id); + int err; + u32 eax, edx; + + data = kzalloc(sizeof(struct via_cputemp_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + dev_err(&pdev->dev, "Out of memory\n"); + goto exit; + } + + data->id = pdev->id; + data->name = "via_cputemp"; + + switch (c->x86_model) { + case 0xA: + /* C7 A */ + case 0xD: + /* C7 D */ + data->msr = 0x1169; + break; + case 0xF: + /* Nano */ + data->msr = 0x1423; + break; + default: + err = -ENODEV; + goto exit_free; + } + + /* test if we can access the TEMPERATURE MSR */ + err = rdmsr_safe_on_cpu(data->id, data->msr, &eax, &edx); + if (err) { + dev_err(&pdev->dev, + "Unable to access TEMPERATURE MSR, giving up\n"); + goto exit_free; + } + + platform_set_drvdata(pdev, data); + + err = sysfs_create_group(&pdev->dev.kobj, &via_cputemp_group); + if (err) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + dev_err(&pdev->dev, "Class registration failed (%d)\n", + err); + goto exit_remove; + } + + return 0; + +exit_remove: + sysfs_remove_group(&pdev->dev.kobj, &via_cputemp_group); +exit_free: + platform_set_drvdata(pdev, NULL); + kfree(data); +exit: + return err; +} + +static int __devexit via_cputemp_remove(struct platform_device *pdev) +{ + struct via_cputemp_data *data = platform_get_drvdata(pdev); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&pdev->dev.kobj, &via_cputemp_group); + platform_set_drvdata(pdev, NULL); + kfree(data); + return 0; +} + +static struct platform_driver via_cputemp_driver = { + .driver = { + .owner = THIS_MODULE, + .name = DRVNAME, + }, + .probe = via_cputemp_probe, + .remove = __devexit_p(via_cputemp_remove), +}; + +struct pdev_entry { + struct list_head list; + struct platform_device *pdev; + unsigned int cpu; +}; + +static LIST_HEAD(pdev_list); +static DEFINE_MUTEX(pdev_list_mutex); + +static int __cpuinit via_cputemp_device_add(unsigned int cpu) +{ + int err; + struct platform_device *pdev; + struct pdev_entry *pdev_entry; + + pdev = platform_device_alloc(DRVNAME, cpu); + if (!pdev) { + err = -ENOMEM; + printk(KERN_ERR DRVNAME ": Device allocation failed\n"); + goto exit; + } + + pdev_entry = kzalloc(sizeof(struct pdev_entry), GFP_KERNEL); + if (!pdev_entry) { + err = -ENOMEM; + goto exit_device_put; + } + + err = platform_device_add(pdev); + if (err) { + printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", + err); + goto exit_device_free; + } + + pdev_entry->pdev = pdev; + pdev_entry->cpu = cpu; + mutex_lock(&pdev_list_mutex); + list_add_tail(&pdev_entry->list, &pdev_list); + mutex_unlock(&pdev_list_mutex); + + return 0; + +exit_device_free: + kfree(pdev_entry); +exit_device_put: + platform_device_put(pdev); +exit: + return err; +} + +#ifdef CONFIG_HOTPLUG_CPU +static void via_cputemp_device_remove(unsigned int cpu) +{ + struct pdev_entry *p, *n; + mutex_lock(&pdev_list_mutex); + list_for_each_entry_safe(p, n, &pdev_list, list) { + if (p->cpu == cpu) { + platform_device_unregister(p->pdev); + list_del(&p->list); + kfree(p); + } + } + mutex_unlock(&pdev_list_mutex); +} + +static int __cpuinit via_cputemp_cpu_callback(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (unsigned long) hcpu; + + switch (action) { + case CPU_ONLINE: + case CPU_DOWN_FAILED: + via_cputemp_device_add(cpu); + break; + case CPU_DOWN_PREPARE: + via_cputemp_device_remove(cpu); + break; + } + return NOTIFY_OK; +} + +static struct notifier_block via_cputemp_cpu_notifier __refdata = { + .notifier_call = via_cputemp_cpu_callback, +}; +#endif /* !CONFIG_HOTPLUG_CPU */ + +static int __init via_cputemp_init(void) +{ + int i, err; + struct pdev_entry *p, *n; + + if (cpu_data(0).x86_vendor != X86_VENDOR_CENTAUR) { + printk(KERN_DEBUG DRVNAME ": Not a VIA CPU\n"); + err = -ENODEV; + goto exit; + } + + err = platform_driver_register(&via_cputemp_driver); + if (err) + goto exit; + + for_each_online_cpu(i) { + struct cpuinfo_x86 *c = &cpu_data(i); + + if (c->x86 != 6) + continue; + + if (c->x86_model < 0x0a) + continue; + + if (c->x86_model > 0x0f) { + printk(KERN_WARNING DRVNAME ": Unknown CPU " + "model 0x%x\n", c->x86_model); + continue; + } + + err = via_cputemp_device_add(i); + if (err) + goto exit_devices_unreg; + } + if (list_empty(&pdev_list)) { + err = -ENODEV; + goto exit_driver_unreg; + } + +#ifdef CONFIG_HOTPLUG_CPU + register_hotcpu_notifier(&via_cputemp_cpu_notifier); +#endif + return 0; + +exit_devices_unreg: + mutex_lock(&pdev_list_mutex); + list_for_each_entry_safe(p, n, &pdev_list, list) { + platform_device_unregister(p->pdev); + list_del(&p->list); + kfree(p); + } + mutex_unlock(&pdev_list_mutex); +exit_driver_unreg: + platform_driver_unregister(&via_cputemp_driver); +exit: + return err; +} + +static void __exit via_cputemp_exit(void) +{ + struct pdev_entry *p, *n; +#ifdef CONFIG_HOTPLUG_CPU + unregister_hotcpu_notifier(&via_cputemp_cpu_notifier); +#endif + mutex_lock(&pdev_list_mutex); + list_for_each_entry_safe(p, n, &pdev_list, list) { + platform_device_unregister(p->pdev); + list_del(&p->list); + kfree(p); + } + mutex_unlock(&pdev_list_mutex); + platform_driver_unregister(&via_cputemp_driver); +} + +MODULE_AUTHOR("Harald Welte <HaraldWelte@viatech.com>"); +MODULE_DESCRIPTION("VIA CPU temperature monitor"); +MODULE_LICENSE("GPL"); + +module_init(via_cputemp_init) +module_exit(via_cputemp_exit) diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c index 39e82a4..f397ce7 100644 --- a/drivers/hwmon/via686a.c +++ b/drivers/hwmon/via686a.c @@ -767,7 +767,7 @@ static struct via686a_data *via686a_update_device(struct device *dev) return data; } -static struct pci_device_id via686a_pci_ids[] = { +static const struct pci_device_id via686a_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) }, { 0, } }; diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index 470a122..e6078c9 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -697,7 +697,7 @@ static struct platform_driver vt8231_driver = { .remove = __devexit_p(vt8231_remove), }; -static struct pci_device_id vt8231_pci_ids[] = { +static const struct pci_device_id vt8231_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4) }, { 0, } }; @@ -948,8 +948,7 @@ static int __devinit vt8231_pci_probe(struct pci_dev *dev, address = val & ~(VT8231_EXTENT - 1); if (address == 0) { - dev_err(&dev->dev, "base address not set -\ - upgrade BIOS or use force_addr=0xaddr\n"); + dev_err(&dev->dev, "base address not set - upgrade BIOS or use force_addr=0xaddr\n"); return -ENODEV; } diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index bb5e787..0dcaba9 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -5,6 +5,7 @@ Copyright (C) 2006 Yuan Mu (Winbond), Rudolf Marek <r.marek@assembler.cz> David Hubbard <david.c.hubbard@gmail.com> + Daniel J Blueman <daniel.blueman@gmail.com> Shamelessly ripped from the w83627hf driver Copyright (C) 2003 Mark Studebaker @@ -177,12 +178,15 @@ static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; #define W83627EHF_REG_ALARM3 0x45B /* SmartFan registers */ +#define W83627EHF_REG_FAN_STEPUP_TIME 0x0f +#define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e + /* DC or PWM output fan configuration */ static const u8 W83627EHF_REG_PWM_ENABLE[] = { 0x04, /* SYS FAN0 output mode and PWM mode */ 0x04, /* CPU FAN0 output mode and PWM mode */ 0x12, /* AUX FAN mode */ - 0x62, /* CPU fan1 mode */ + 0x62, /* CPU FAN1 mode */ }; static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 }; @@ -193,10 +197,12 @@ static const u8 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 }; static const u8 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 }; static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 }; - /* Advanced Fan control, some values are common for all fans */ -static const u8 W83627EHF_REG_FAN_MIN_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; -static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0C, 0x0D, 0x17, 0x66 }; +static const u8 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 }; +static const u8 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; +static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 }; +static const u8 W83627EHF_REG_FAN_MAX_OUTPUT[] = { 0xff, 0x67, 0xff, 0x69 }; +static const u8 W83627EHF_REG_FAN_STEP_OUTPUT[] = { 0xff, 0x68, 0xff, 0x6a }; /* * Conversions @@ -295,14 +301,19 @@ struct w83627ehf_data { u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ u8 pwm_enable[4]; /* 1->manual - 2->thermal cruise (also called SmartFan I) */ + 2->thermal cruise mode (also called SmartFan I) + 3->fan speed cruise mode + 4->variable thermal cruise (also called SmartFan III) */ u8 pwm_num; /* number of pwm */ u8 pwm[4]; u8 target_temp[4]; u8 tolerance[4]; - u8 fan_min_output[4]; /* minimum fan speed */ - u8 fan_stop_time[4]; + u8 fan_start_output[4]; /* minimum fan speed when spinning up */ + u8 fan_stop_output[4]; /* minimum fan speed when spinning down */ + u8 fan_stop_time[4]; /* time at minimum before disabling fan */ + u8 fan_max_output[4]; /* maximum fan speed */ + u8 fan_step_output[4]; /* rate of change output value */ u8 vid; u8 vrm; @@ -529,8 +540,10 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) & 3) + 1; data->pwm[i] = w83627ehf_read_value(data, W83627EHF_REG_PWM[i]); - data->fan_min_output[i] = w83627ehf_read_value(data, - W83627EHF_REG_FAN_MIN_OUTPUT[i]); + data->fan_start_output[i] = w83627ehf_read_value(data, + W83627EHF_REG_FAN_START_OUTPUT[i]); + data->fan_stop_output[i] = w83627ehf_read_value(data, + W83627EHF_REG_FAN_STOP_OUTPUT[i]); data->fan_stop_time[i] = w83627ehf_read_value(data, W83627EHF_REG_FAN_STOP_TIME[i]); data->target_temp[i] = @@ -976,7 +989,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, u32 val = simple_strtoul(buf, NULL, 10); u16 reg; - if (!val || (val > 2)) /* only modes 1 and 2 are supported */ + if (!val || (val > 4)) return -EINVAL; mutex_lock(&data->update_lock); reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); @@ -1118,7 +1131,10 @@ store_##reg(struct device *dev, struct device_attribute *attr, \ return count; \ } -fan_functions(fan_min_output, FAN_MIN_OUTPUT) +fan_functions(fan_start_output, FAN_START_OUTPUT) +fan_functions(fan_stop_output, FAN_STOP_OUTPUT) +fan_functions(fan_max_output, FAN_MAX_OUTPUT) +fan_functions(fan_step_output, FAN_STEP_OUTPUT) #define fan_time_functions(reg, REG) \ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ @@ -1161,8 +1177,14 @@ static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); static struct sensor_device_attribute sda_sf3_arrays_fan4[] = { SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, store_fan_stop_time, 3), - SENSOR_ATTR(pwm4_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, - store_fan_min_output, 3), + SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, + store_fan_start_output, 3), + SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, + store_fan_stop_output, 3), + SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, + store_fan_max_output, 3), + SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, + store_fan_step_output, 3), }; static struct sensor_device_attribute sda_sf3_arrays[] = { @@ -1172,12 +1194,24 @@ static struct sensor_device_attribute sda_sf3_arrays[] = { store_fan_stop_time, 1), SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, store_fan_stop_time, 2), - SENSOR_ATTR(pwm1_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, - store_fan_min_output, 0), - SENSOR_ATTR(pwm2_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, - store_fan_min_output, 1), - SENSOR_ATTR(pwm3_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, - store_fan_min_output, 2), + SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, + store_fan_start_output, 0), + SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, + store_fan_start_output, 1), + SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, + store_fan_start_output, 2), + SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, + store_fan_stop_output, 0), + SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, + store_fan_stop_output, 1), + SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, + store_fan_stop_output, 2), + + /* pwm1 and pwm3 don't support max and step settings */ + SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, + store_fan_max_output, 1), + SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, + store_fan_step_output, 1), }; static ssize_t diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 2be28ac..38e2805 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -59,10 +59,11 @@ static struct platform_device *pdev; #define DRVNAME "w83627hf" enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; -static u16 force_addr; -module_param(force_addr, ushort, 0); -MODULE_PARM_DESC(force_addr, - "Initialize the base address of the sensors"); +struct w83627hf_sio_data { + enum chips type; + int sioaddr; +}; + static u8 force_i2c = 0x1f; module_param(force_i2c, byte, 0); MODULE_PARM_DESC(force_i2c, @@ -77,9 +78,7 @@ module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); /* modified from kernel/include/traps.c */ -static int REG; /* The register to read/write */ #define DEV 0x07 /* Register: Logical device select */ -static int VAL; /* The value to read/write */ /* logical device numbers for superio_select (below) */ #define W83627HF_LD_FDC 0x00 @@ -109,37 +108,37 @@ static int VAL; /* The value to read/write */ #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ static inline void -superio_outb(int reg, int val) +superio_outb(struct w83627hf_sio_data *sio, int reg, int val) { - outb(reg, REG); - outb(val, VAL); + outb(reg, sio->sioaddr); + outb(val, sio->sioaddr + 1); } static inline int -superio_inb(int reg) +superio_inb(struct w83627hf_sio_data *sio, int reg) { - outb(reg, REG); - return inb(VAL); + outb(reg, sio->sioaddr); + return inb(sio->sioaddr + 1); } static inline void -superio_select(int ld) +superio_select(struct w83627hf_sio_data *sio, int ld) { - outb(DEV, REG); - outb(ld, VAL); + outb(DEV, sio->sioaddr); + outb(ld, sio->sioaddr + 1); } static inline void -superio_enter(void) +superio_enter(struct w83627hf_sio_data *sio) { - outb(0x87, REG); - outb(0x87, REG); + outb(0x87, sio->sioaddr); + outb(0x87, sio->sioaddr); } static inline void -superio_exit(void) +superio_exit(struct w83627hf_sio_data *sio) { - outb(0xAA, REG); + outb(0xAA, sio->sioaddr); } #define W627_DEVID 0x52 @@ -380,10 +379,6 @@ struct w83627hf_data { u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ }; -struct w83627hf_sio_data { - enum chips type; -}; - static int w83627hf_probe(struct platform_device *pdev); static int __devexit w83627hf_remove(struct platform_device *pdev); @@ -1140,11 +1135,9 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, "W83687THF", }; - REG = sioaddr; - VAL = sioaddr + 1; - - superio_enter(); - val = force_id ? force_id : superio_inb(DEVID); + sio_data->sioaddr = sioaddr; + superio_enter(sio_data); + val = force_id ? force_id : superio_inb(sio_data, DEVID); switch (val) { case W627_DEVID: sio_data->type = w83627hf; @@ -1168,16 +1161,9 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, goto exit; } - superio_select(W83627HF_LD_HWM); - force_addr &= WINB_ALIGNMENT; - if (force_addr) { - printk(KERN_WARNING DRVNAME ": Forcing address 0x%x\n", - force_addr); - superio_outb(WINB_BASE_REG, force_addr >> 8); - superio_outb(WINB_BASE_REG + 1, force_addr & 0xff); - } - val = (superio_inb(WINB_BASE_REG) << 8) | - superio_inb(WINB_BASE_REG + 1); + superio_select(sio_data, W83627HF_LD_HWM); + val = (superio_inb(sio_data, WINB_BASE_REG) << 8) | + superio_inb(sio_data, WINB_BASE_REG + 1); *addr = val & WINB_ALIGNMENT; if (*addr == 0) { printk(KERN_WARNING DRVNAME ": Base address not set, " @@ -1185,10 +1171,10 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, goto exit; } - val = superio_inb(WINB_ACT_REG); + val = superio_inb(sio_data, WINB_ACT_REG); if (!(val & 0x01)) { printk(KERN_WARNING DRVNAME ": Enabling HWM logical device\n"); - superio_outb(WINB_ACT_REG, val | 0x01); + superio_outb(sio_data, WINB_ACT_REG, val | 0x01); } err = 0; @@ -1196,7 +1182,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr, names[sio_data->type], *addr); exit: - superio_exit(); + superio_exit(sio_data); return err; } @@ -1511,20 +1497,21 @@ static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) { + struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; int res = 0xff, sel; - superio_enter(); - superio_select(W83627HF_LD_GPIO5); + superio_enter(sio_data); + superio_select(sio_data, W83627HF_LD_GPIO5); /* Make sure these GPIO pins are enabled */ - if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { + if (!(superio_inb(sio_data, W83627THF_GPIO5_EN) & (1<<3))) { dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n"); goto exit; } /* Make sure the pins are configured for input There must be at least five (VRM 9), and possibly 6 (VRM 10) */ - sel = superio_inb(W83627THF_GPIO5_IOSR) & 0x3f; + sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f; if ((sel & 0x1f) != 0x1f) { dev_dbg(&pdev->dev, "GPIO5 not configured for VID " "function\n"); @@ -1532,37 +1519,38 @@ static int __devinit w83627thf_read_gpio5(struct platform_device *pdev) } dev_info(&pdev->dev, "Reading VID from GPIO5\n"); - res = superio_inb(W83627THF_GPIO5_DR) & sel; + res = superio_inb(sio_data, W83627THF_GPIO5_DR) & sel; exit: - superio_exit(); + superio_exit(sio_data); return res; } static int __devinit w83687thf_read_vid(struct platform_device *pdev) { + struct w83627hf_sio_data *sio_data = pdev->dev.platform_data; int res = 0xff; - superio_enter(); - superio_select(W83627HF_LD_HWM); + superio_enter(sio_data); + superio_select(sio_data, W83627HF_LD_HWM); /* Make sure these GPIO pins are enabled */ - if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) { + if (!(superio_inb(sio_data, W83687THF_VID_EN) & (1 << 2))) { dev_dbg(&pdev->dev, "VID disabled, no VID function\n"); goto exit; } /* Make sure the pins are configured for input */ - if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) { + if (!(superio_inb(sio_data, W83687THF_VID_CFG) & (1 << 4))) { dev_dbg(&pdev->dev, "VID configured as output, " "no VID function\n"); goto exit; } - res = superio_inb(W83687THF_VID_DATA) & 0x3f; + res = superio_inb(sio_data, W83687THF_VID_DATA) & 0x3f; exit: - superio_exit(); + superio_exit(sio_data); return res; } diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index d27ed1b..32d4ade 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -56,9 +56,10 @@ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; -/* Insmod parameters */ -I2C_CLIENT_INSMOD_4(w83781d, w83782d, w83783s, as99127f); +enum chips { w83781d, w83782d, w83783s, as99127f }; + +/* Insmod parameters */ static unsigned short force_subclients[4]; module_param_array(force_subclients, short, NULL, 0); MODULE_PARM_DESC(force_subclients, "List of subclient addresses: " @@ -1051,14 +1052,13 @@ w83781d_create_files(struct device *dev, int kind, int is_isa) /* Return 0 if detection is successful, -ENODEV otherwise */ static int -w83781d_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +w83781d_detect(struct i2c_client *client, struct i2c_board_info *info) { - int val1 = 0, val2; + int val1, val2; struct w83781d_data *isa = w83781d_data_if_isa(); struct i2c_adapter *adapter = client->adapter; int address = client->addr; - const char *client_name = ""; + const char *client_name; enum vendor { winbond, asus } vendid; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -1070,98 +1070,73 @@ w83781d_detect(struct i2c_client *client, int kind, if (isa) mutex_lock(&isa->update_lock); - /* The w8378?d may be stuck in some other bank than bank 0. This may - make reading other information impossible. Specify a force=... or - force_*=... parameter, and the Winbond will be reset to the right - bank. */ - if (kind < 0) { - if (i2c_smbus_read_byte_data - (client, W83781D_REG_CONFIG) & 0x80) { - dev_dbg(&adapter->dev, "Detection of w83781d chip " - "failed at step 3\n"); - goto err_nodev; - } - val1 = i2c_smbus_read_byte_data(client, W83781D_REG_BANK); - val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN); - /* Check for Winbond or Asus ID if in bank 0 */ - if ((!(val1 & 0x07)) && - (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3)) - || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) { - dev_dbg(&adapter->dev, "Detection of w83781d chip " - "failed at step 4\n"); + if (i2c_smbus_read_byte_data(client, W83781D_REG_CONFIG) & 0x80) { + dev_dbg(&adapter->dev, + "Detection of w83781d chip failed at step 3\n"); + goto err_nodev; + } + + val1 = i2c_smbus_read_byte_data(client, W83781D_REG_BANK); + val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN); + /* Check for Winbond or Asus ID if in bank 0 */ + if (!(val1 & 0x07) && + ((!(val1 & 0x80) && val2 != 0xa3 && val2 != 0xc3) || + ( (val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) { + dev_dbg(&adapter->dev, + "Detection of w83781d chip failed at step 4\n"); + goto err_nodev; + } + /* If Winbond SMBus, check address at 0x48. + Asus doesn't support, except for as99127f rev.2 */ + if ((!(val1 & 0x80) && val2 == 0xa3) || + ( (val1 & 0x80) && val2 == 0x5c)) { + if (i2c_smbus_read_byte_data(client, W83781D_REG_I2C_ADDR) + != address) { + dev_dbg(&adapter->dev, + "Detection of w83781d chip failed at step 5\n"); goto err_nodev; } - /* If Winbond SMBus, check address at 0x48. - Asus doesn't support, except for as99127f rev.2 */ - if ((!(val1 & 0x80) && (val2 == 0xa3)) || - ((val1 & 0x80) && (val2 == 0x5c))) { - if (i2c_smbus_read_byte_data - (client, W83781D_REG_I2C_ADDR) != address) { - dev_dbg(&adapter->dev, "Detection of w83781d " - "chip failed at step 5\n"); - goto err_nodev; - } - } } - /* We have either had a force parameter, or we have already detected the - Winbond. Put it now into bank 0 and Vendor ID High Byte */ + /* Put it now into bank 0 and Vendor ID High Byte */ i2c_smbus_write_byte_data(client, W83781D_REG_BANK, (i2c_smbus_read_byte_data(client, W83781D_REG_BANK) & 0x78) | 0x80); - /* Determine the chip type. */ - if (kind <= 0) { - /* get vendor ID */ - val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN); - if (val2 == 0x5c) - vendid = winbond; - else if (val2 == 0x12) - vendid = asus; - else { - dev_dbg(&adapter->dev, "w83781d chip vendor is " - "neither Winbond nor Asus\n"); - goto err_nodev; - } - - val1 = i2c_smbus_read_byte_data(client, W83781D_REG_WCHIPID); - if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) - kind = w83781d; - else if (val1 == 0x30 && vendid == winbond) - kind = w83782d; - else if (val1 == 0x40 && vendid == winbond && address == 0x2d) - kind = w83783s; - else if (val1 == 0x31) - kind = as99127f; - else { - if (kind == 0) - dev_warn(&adapter->dev, "Ignoring 'force' " - "parameter for unknown chip at " - "address 0x%02x\n", address); - goto err_nodev; - } - - if ((kind == w83781d || kind == w83782d) - && w83781d_alias_detect(client, val1)) { - dev_dbg(&adapter->dev, "Device at 0x%02x appears to " - "be the same as ISA device\n", address); - goto err_nodev; - } + /* Get the vendor ID */ + val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN); + if (val2 == 0x5c) + vendid = winbond; + else if (val2 == 0x12) + vendid = asus; + else { + dev_dbg(&adapter->dev, + "w83781d chip vendor is neither Winbond nor Asus\n"); + goto err_nodev; } - if (isa) - mutex_unlock(&isa->update_lock); - - if (kind == w83781d) { + /* Determine the chip type. */ + val1 = i2c_smbus_read_byte_data(client, W83781D_REG_WCHIPID); + if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) client_name = "w83781d"; - } else if (kind == w83782d) { + else if (val1 == 0x30 && vendid == winbond) client_name = "w83782d"; - } else if (kind == w83783s) { + else if (val1 == 0x40 && vendid == winbond && address == 0x2d) client_name = "w83783s"; - } else if (kind == as99127f) { + else if (val1 == 0x31) client_name = "as99127f"; + else + goto err_nodev; + + if (val1 <= 0x30 && w83781d_alias_detect(client, val1)) { + dev_dbg(&adapter->dev, "Device at 0x%02x appears to " + "be the same as ISA device\n", address); + goto err_nodev; } + if (isa) + mutex_unlock(&isa->update_lock); + strlcpy(info->type, client_name, I2C_NAME_SIZE); return 0; @@ -1562,7 +1537,7 @@ static struct i2c_driver w83781d_driver = { .remove = w83781d_remove, .id_table = w83781d_ids, .detect = w83781d_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -1818,17 +1793,17 @@ static int __init w83781d_isa_found(unsigned short address) { int val, save, found = 0; - - /* We have to request the region in two parts because some - boards declare base+4 to base+7 as a PNP device */ - if (!request_region(address, 4, "w83781d")) { - pr_debug("w83781d: Failed to request low part of region\n"); - return 0; - } - if (!request_region(address + 4, 4, "w83781d")) { - pr_debug("w83781d: Failed to request high part of region\n"); - release_region(address, 4); - return 0; + int port; + + /* Some boards declare base+0 to base+7 as a PNP device, some base+4 + * to base+7 and some base+5 to base+6. So we better request each port + * individually for the probing phase. */ + for (port = address; port < address + W83781D_EXTENT; port++) { + if (!request_region(port, 1, "w83781d")) { + pr_debug("w83781d: Failed to request port 0x%x\n", + port); + goto release; + } } #define REALLY_SLOW_IO @@ -1902,8 +1877,8 @@ w83781d_isa_found(unsigned short address) val == 0x30 ? "W83782D" : "W83781D", (int)address); release: - release_region(address + 4, 4); - release_region(address, 4); + for (port--; port >= address; port--) + release_region(port, 1); return found; } diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 97851c5..400a88b 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -52,7 +52,6 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(w83791d); static unsigned short force_subclients[4]; module_param_array(force_subclients, short, NULL, 0); @@ -326,7 +325,7 @@ struct w83791d_data { static int w83791d_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int w83791d_detect(struct i2c_client *client, int kind, +static int w83791d_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83791d_remove(struct i2c_client *client); @@ -341,7 +340,7 @@ static void w83791d_print_debug(struct w83791d_data *data, struct device *dev); static void w83791d_init_client(struct i2c_client *client); static const struct i2c_device_id w83791d_id[] = { - { "w83791d", w83791d }, + { "w83791d", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, w83791d_id); @@ -355,7 +354,7 @@ static struct i2c_driver w83791d_driver = { .remove = w83791d_remove, .id_table = w83791d_id, .detect = w83791d_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* following are the sysfs callback functions */ @@ -1259,7 +1258,7 @@ error_sc_0: /* Return 0 if detection is successful, -ENODEV otherwise */ -static int w83791d_detect(struct i2c_client *client, int kind, +static int w83791d_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; @@ -1270,56 +1269,32 @@ static int w83791d_detect(struct i2c_client *client, int kind, return -ENODEV; } - /* The w83791d may be stuck in some other bank than bank 0. This may - make reading other information impossible. Specify a force=... - parameter, and the Winbond will be reset to the right bank. */ - if (kind < 0) { - if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) { - return -ENODEV; - } - val1 = w83791d_read(client, W83791D_REG_BANK); - val2 = w83791d_read(client, W83791D_REG_CHIPMAN); - /* Check for Winbond ID if in bank 0 */ - if (!(val1 & 0x07)) { - /* yes it is Bank0 */ - if (((!(val1 & 0x80)) && (val2 != 0xa3)) || - ((val1 & 0x80) && (val2 != 0x5c))) { - return -ENODEV; - } - } - /* If Winbond chip, address of chip and W83791D_REG_I2C_ADDR - should match */ - if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) { + if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) + return -ENODEV; + + val1 = w83791d_read(client, W83791D_REG_BANK); + val2 = w83791d_read(client, W83791D_REG_CHIPMAN); + /* Check for Winbond ID if in bank 0 */ + if (!(val1 & 0x07)) { + if ((!(val1 & 0x80) && val2 != 0xa3) || + ( (val1 & 0x80) && val2 != 0x5c)) { return -ENODEV; } } + /* If Winbond chip, address of chip and W83791D_REG_I2C_ADDR + should match */ + if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) + return -ENODEV; - /* We either have a force parameter or we have reason to - believe it is a Winbond chip. Either way, we want bank 0 and - Vendor ID high byte */ + /* We want bank 0 and Vendor ID high byte */ val1 = w83791d_read(client, W83791D_REG_BANK) & 0x78; w83791d_write(client, W83791D_REG_BANK, val1 | 0x80); /* Verify it is a Winbond w83791d */ - if (kind <= 0) { - /* get vendor ID */ - val2 = w83791d_read(client, W83791D_REG_CHIPMAN); - if (val2 != 0x5c) { /* the vendor is NOT Winbond */ - return -ENODEV; - } - val1 = w83791d_read(client, W83791D_REG_WCHIPID); - if (val1 == 0x71) { - kind = w83791d; - } else { - if (kind == 0) - dev_warn(&adapter->dev, - "w83791d: Ignoring 'force' parameter " - "for unknown chip at adapter %d, " - "address 0x%02x\n", - i2c_adapter_id(adapter), address); - return -ENODEV; - } - } + val1 = w83791d_read(client, W83791D_REG_WCHIPID); + val2 = w83791d_read(client, W83791D_REG_CHIPMAN); + if (val1 != 0x71 || val2 != 0x5c) + return -ENODEV; strlcpy(info->type, "w83791d", I2C_NAME_SIZE); diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 2be1619..679718e 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -50,7 +50,6 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(w83792d); static unsigned short force_subclients[4]; module_param_array(force_subclients, short, NULL, 0); @@ -302,7 +301,7 @@ struct w83792d_data { static int w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int w83792d_detect(struct i2c_client *client, int kind, +static int w83792d_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83792d_remove(struct i2c_client *client); static struct w83792d_data *w83792d_update_device(struct device *dev); @@ -314,7 +313,7 @@ static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); static void w83792d_init_client(struct i2c_client *client); static const struct i2c_device_id w83792d_id[] = { - { "w83792d", w83792d }, + { "w83792d", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, w83792d_id); @@ -328,7 +327,7 @@ static struct i2c_driver w83792d_driver = { .remove = w83792d_remove, .id_table = w83792d_id, .detect = w83792d_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static inline long in_count_from_reg(int nr, struct w83792d_data *data) @@ -1263,7 +1262,7 @@ static const struct attribute_group w83792d_group = { /* Return 0 if detection is successful, -ENODEV otherwise */ static int -w83792d_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) +w83792d_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; int val1, val2; @@ -1273,58 +1272,33 @@ w83792d_detect(struct i2c_client *client, int kind, struct i2c_board_info *info) return -ENODEV; } - /* The w83792d may be stuck in some other bank than bank 0. This may - make reading other information impossible. Specify a force=... or - force_*=... parameter, and the Winbond will be reset to the right - bank. */ - if (kind < 0) { - if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { - return -ENODEV; - } - val1 = w83792d_read_value(client, W83792D_REG_BANK); - val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); - /* Check for Winbond ID if in bank 0 */ - if (!(val1 & 0x07)) { /* is Bank0 */ - if (((!(val1 & 0x80)) && (val2 != 0xa3)) || - ((val1 & 0x80) && (val2 != 0x5c))) { - return -ENODEV; - } - } - /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR - should match */ - if (w83792d_read_value(client, - W83792D_REG_I2C_ADDR) != address) { + if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) + return -ENODEV; + + val1 = w83792d_read_value(client, W83792D_REG_BANK); + val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); + /* Check for Winbond ID if in bank 0 */ + if (!(val1 & 0x07)) { /* is Bank0 */ + if ((!(val1 & 0x80) && val2 != 0xa3) || + ( (val1 & 0x80) && val2 != 0x5c)) return -ENODEV; - } } + /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR + should match */ + if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address) + return -ENODEV; - /* We have either had a force parameter, or we have already detected the - Winbond. Put it now into bank 0 and Vendor ID High Byte */ + /* Put it now into bank 0 and Vendor ID High Byte */ w83792d_write_value(client, W83792D_REG_BANK, (w83792d_read_value(client, W83792D_REG_BANK) & 0x78) | 0x80); /* Determine the chip type. */ - if (kind <= 0) { - /* get vendor ID */ - val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); - if (val2 != 0x5c) { /* the vendor is NOT Winbond */ - return -ENODEV; - } - val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); - if (val1 == 0x7a) { - kind = w83792d; - } else { - if (kind == 0) - dev_warn(&adapter->dev, - "w83792d: Ignoring 'force' parameter for" - " unknown chip at adapter %d, address" - " 0x%02x\n", i2c_adapter_id(adapter), - address); - return -ENODEV; - } - } + val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); + val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); + if (val1 != 0x7a || val2 != 0x5c) + return -ENODEV; strlcpy(info->type, "w83792d", I2C_NAME_SIZE); diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 47dd398..612807d 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -3,6 +3,10 @@ Copyright (C) 2006 Winbond Electronics Corp. Yuan Mu Rudolf Marek <r.marek@assembler.cz> + Copyright (C) 2009-2010 Sven Anders <anders@anduras.de>, ANDURAS AG. + Watchdog driver part + (Based partially on fschmd driver, + Copyright 2007-2008 by Hans de Goede) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -35,13 +39,22 @@ #include <linux/hwmon-sysfs.h> #include <linux/err.h> #include <linux/mutex.h> +#include <linux/fs.h> +#include <linux/watchdog.h> +#include <linux/miscdevice.h> +#include <linux/uaccess.h> +#include <linux/kref.h> +#include <linux/notifier.h> +#include <linux/reboot.h> + +/* Default values */ +#define WATCHDOG_TIMEOUT 2 /* 2 minute default timeout */ /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(w83793); static unsigned short force_subclients[4]; module_param_array(force_subclients, short, NULL, 0); @@ -52,6 +65,18 @@ static int reset; module_param(reset, bool, 0); MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended"); +static int timeout = WATCHDOG_TIMEOUT; /* default timeout in minutes */ +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, + "Watchdog timeout in minutes. 2<= timeout <=255 (default=" + __MODULE_STRING(WATCHDOG_TIMEOUT) ")"); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, + "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + /* Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved as ID, Bank Select registers @@ -73,6 +98,11 @@ MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended"); #define W83793_REG_VID_LATCHB 0x08 #define W83793_REG_VID_CTRL 0x59 +#define W83793_REG_WDT_LOCK 0x01 +#define W83793_REG_WDT_ENABLE 0x02 +#define W83793_REG_WDT_STATUS 0x03 +#define W83793_REG_WDT_TIMEOUT 0x04 + static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f }; #define TEMP_READ 0 @@ -224,13 +254,42 @@ struct w83793_data { u8 tolerance[3]; /* Temp tolerance(Smart Fan I/II) */ u8 sf2_pwm[6][7]; /* Smart FanII: Fan duty cycle */ u8 sf2_temp[6][7]; /* Smart FanII: Temp level point */ + + /* watchdog */ + struct i2c_client *client; + struct mutex watchdog_lock; + struct list_head list; /* member of the watchdog_data_list */ + struct kref kref; + struct miscdevice watchdog_miscdev; + unsigned long watchdog_is_open; + char watchdog_expect_close; + char watchdog_name[10]; /* must be unique to avoid sysfs conflict */ + unsigned int watchdog_caused_reboot; + int watchdog_timeout; /* watchdog timeout in minutes */ }; +/* Somewhat ugly :( global data pointer list with all devices, so that + we can find our device data as when using misc_register. There is no + other method to get to one's device data from the open file-op and + for usage in the reboot notifier callback. */ +static LIST_HEAD(watchdog_data_list); + +/* Note this lock not only protect list access, but also data.kref access */ +static DEFINE_MUTEX(watchdog_data_mutex); + +/* Release our data struct when we're detached from the i2c client *and* all + references to our watchdog device are released */ +static void w83793_release_resources(struct kref *ref) +{ + struct w83793_data *data = container_of(ref, struct w83793_data, kref); + kfree(data); +} + static u8 w83793_read_value(struct i2c_client *client, u16 reg); static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value); static int w83793_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int w83793_detect(struct i2c_client *client, int kind, +static int w83793_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83793_remove(struct i2c_client *client); static void w83793_init_client(struct i2c_client *client); @@ -238,7 +297,7 @@ static void w83793_update_nonvolatile(struct device *dev); static struct w83793_data *w83793_update_device(struct device *dev); static const struct i2c_device_id w83793_id[] = { - { "w83793", w83793 }, + { "w83793", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, w83793_id); @@ -252,7 +311,7 @@ static struct i2c_driver w83793_driver = { .remove = w83793_remove, .id_table = w83793_id, .detect = w83793_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static ssize_t @@ -1064,14 +1123,349 @@ static void w83793_init_client(struct i2c_client *client) /* Start monitoring */ w83793_write_value(client, W83793_REG_CONFIG, w83793_read_value(client, W83793_REG_CONFIG) | 0x01); +} + +/* + * Watchdog routines + */ + +static int watchdog_set_timeout(struct w83793_data *data, int timeout) +{ + int ret, mtimeout; + + mtimeout = DIV_ROUND_UP(timeout, 60); + + if (mtimeout > 255) + return -EINVAL; + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + data->watchdog_timeout = mtimeout; + + /* Set Timeout value (in Minutes) */ + w83793_write_value(data->client, W83793_REG_WDT_TIMEOUT, + data->watchdog_timeout); + + ret = mtimeout * 60; + +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_get_timeout(struct w83793_data *data) +{ + int timeout; + + mutex_lock(&data->watchdog_lock); + timeout = data->watchdog_timeout * 60; + mutex_unlock(&data->watchdog_lock); + + return timeout; +} + +static int watchdog_trigger(struct w83793_data *data) +{ + int ret = 0; + + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + /* Set Timeout value (in Minutes) */ + w83793_write_value(data->client, W83793_REG_WDT_TIMEOUT, + data->watchdog_timeout); + +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_enable(struct w83793_data *data) +{ + int ret = 0; + + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + /* Set initial timeout */ + w83793_write_value(data->client, W83793_REG_WDT_TIMEOUT, + data->watchdog_timeout); + + /* Enable Soft Watchdog */ + w83793_write_value(data->client, W83793_REG_WDT_LOCK, 0x55); + +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_disable(struct w83793_data *data) +{ + int ret = 0; + + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + /* Disable Soft Watchdog */ + w83793_write_value(data->client, W83793_REG_WDT_LOCK, 0xAA); + +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_open(struct inode *inode, struct file *filp) +{ + struct w83793_data *pos, *data = NULL; + int watchdog_is_open; + + /* We get called from drivers/char/misc.c with misc_mtx hold, and we + call misc_register() from w83793_probe() with watchdog_data_mutex + hold, as misc_register() takes the misc_mtx lock, this is a possible + deadlock, so we use mutex_trylock here. */ + if (!mutex_trylock(&watchdog_data_mutex)) + return -ERESTARTSYS; + list_for_each_entry(pos, &watchdog_data_list, list) { + if (pos->watchdog_miscdev.minor == iminor(inode)) { + data = pos; + break; + } + } + + /* Check, if device is already open */ + watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open); + + /* Increase data reference counter (if not already done). + Note we can never not have found data, so we don't check for this */ + if (!watchdog_is_open) + kref_get(&data->kref); + + mutex_unlock(&watchdog_data_mutex); + + /* Check, if device is already open and possibly issue error */ + if (watchdog_is_open) + return -EBUSY; + + /* Enable Soft Watchdog */ + watchdog_enable(data); + + /* Store pointer to data into filp's private data */ + filp->private_data = data; + + return nonseekable_open(inode, filp); +} + +static int watchdog_close(struct inode *inode, struct file *filp) +{ + struct w83793_data *data = filp->private_data; + + if (data->watchdog_expect_close) { + watchdog_disable(data); + data->watchdog_expect_close = 0; + } else { + watchdog_trigger(data); + dev_crit(&data->client->dev, + "unexpected close, not stopping watchdog!\n"); + } + + clear_bit(0, &data->watchdog_is_open); + + /* Decrease data reference counter */ + mutex_lock(&watchdog_data_mutex); + kref_put(&data->kref, w83793_release_resources); + mutex_unlock(&watchdog_data_mutex); + + return 0; } +static ssize_t watchdog_write(struct file *filp, const char __user *buf, + size_t count, loff_t *offset) +{ + ssize_t ret; + struct w83793_data *data = filp->private_data; + + if (count) { + if (!nowayout) { + size_t i; + + /* Clear it in case it was set with a previous write */ + data->watchdog_expect_close = 0; + + for (i = 0; i != count; i++) { + char c; + if (get_user(c, buf + i)) + return -EFAULT; + if (c == 'V') + data->watchdog_expect_close = 1; + } + } + ret = watchdog_trigger(data); + if (ret < 0) + return ret; + } + return count; +} + +static int watchdog_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + static struct watchdog_info ident = { + .options = WDIOF_KEEPALIVEPING | + WDIOF_SETTIMEOUT | + WDIOF_CARDRESET, + .identity = "w83793 watchdog" + }; + + int val, ret = 0; + struct w83793_data *data = filp->private_data; + + switch (cmd) { + case WDIOC_GETSUPPORT: + if (!nowayout) + ident.options |= WDIOF_MAGICCLOSE; + if (copy_to_user((void __user *)arg, &ident, sizeof(ident))) + ret = -EFAULT; + break; + + case WDIOC_GETSTATUS: + val = data->watchdog_caused_reboot ? WDIOF_CARDRESET : 0; + ret = put_user(val, (int __user *)arg); + break; + + case WDIOC_GETBOOTSTATUS: + ret = put_user(0, (int __user *)arg); + break; + + case WDIOC_KEEPALIVE: + ret = watchdog_trigger(data); + break; + + case WDIOC_GETTIMEOUT: + val = watchdog_get_timeout(data); + ret = put_user(val, (int __user *)arg); + break; + + case WDIOC_SETTIMEOUT: + if (get_user(val, (int __user *)arg)) { + ret = -EFAULT; + break; + } + ret = watchdog_set_timeout(data, val); + if (ret > 0) + ret = put_user(ret, (int __user *)arg); + break; + + case WDIOC_SETOPTIONS: + if (get_user(val, (int __user *)arg)) { + ret = -EFAULT; + break; + } + + if (val & WDIOS_DISABLECARD) + ret = watchdog_disable(data); + else if (val & WDIOS_ENABLECARD) + ret = watchdog_enable(data); + else + ret = -EINVAL; + + break; + default: + ret = -ENOTTY; + } + + return ret; +} + +static const struct file_operations watchdog_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .open = watchdog_open, + .release = watchdog_close, + .write = watchdog_write, + .ioctl = watchdog_ioctl, +}; + +/* + * Notifier for system down + */ + +static int watchdog_notify_sys(struct notifier_block *this, unsigned long code, + void *unused) +{ + struct w83793_data *data = NULL; + + if (code == SYS_DOWN || code == SYS_HALT) { + + /* Disable each registered watchdog */ + mutex_lock(&watchdog_data_mutex); + list_for_each_entry(data, &watchdog_data_list, list) { + if (data->watchdog_miscdev.minor) + watchdog_disable(data); + } + mutex_unlock(&watchdog_data_mutex); + } + + return NOTIFY_DONE; +} + +/* + * The WDT needs to learn about soft shutdowns in order to + * turn the timebomb registers off. + */ + +static struct notifier_block watchdog_notifier = { + .notifier_call = watchdog_notify_sys, +}; + +/* + * Init / remove routines + */ + static int w83793_remove(struct i2c_client *client) { struct w83793_data *data = i2c_get_clientdata(client); struct device *dev = &client->dev; - int i; + int i, tmp; + + /* Unregister the watchdog (if registered) */ + if (data->watchdog_miscdev.minor) { + misc_deregister(&data->watchdog_miscdev); + + if (data->watchdog_is_open) { + dev_warn(&client->dev, + "i2c client detached with watchdog open! " + "Stopping watchdog.\n"); + watchdog_disable(data); + } + + mutex_lock(&watchdog_data_mutex); + list_del(&data->list); + mutex_unlock(&watchdog_data_mutex); + + /* Tell the watchdog code the client is gone */ + mutex_lock(&data->watchdog_lock); + data->client = NULL; + mutex_unlock(&data->watchdog_lock); + } + + /* Reset Configuration Register to Disable Watch Dog Registers */ + tmp = w83793_read_value(client, W83793_REG_CONFIG); + w83793_write_value(client, W83793_REG_CONFIG, tmp & ~0x04); + + unregister_reboot_notifier(&watchdog_notifier); hwmon_device_unregister(data->hwmon_dev); @@ -1100,7 +1494,10 @@ static int w83793_remove(struct i2c_client *client) if (data->lm75[1] != NULL) i2c_unregister_device(data->lm75[1]); - kfree(data); + /* Decrease data reference counter */ + mutex_lock(&watchdog_data_mutex); + kref_put(&data->kref, w83793_release_resources); + mutex_unlock(&watchdog_data_mutex); return 0; } @@ -1161,10 +1558,10 @@ ERROR_SC_0: } /* Return 0 if detection is successful, -ENODEV otherwise */ -static int w83793_detect(struct i2c_client *client, int kind, +static int w83793_detect(struct i2c_client *client, struct i2c_board_info *info) { - u8 tmp, bank; + u8 tmp, bank, chip_id; struct i2c_adapter *adapter = client->adapter; unsigned short address = client->addr; @@ -1174,44 +1571,27 @@ static int w83793_detect(struct i2c_client *client, int kind, bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL); - if (kind < 0) { - tmp = bank & 0x80 ? 0x5c : 0xa3; - /* Check Winbond vendor ID */ - if (tmp != i2c_smbus_read_byte_data(client, - W83793_REG_VENDORID)) { - pr_debug("w83793: Detection failed at check " - "vendor id\n"); - return -ENODEV; - } - - /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR - should match */ - if ((bank & 0x07) == 0 - && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) != - (address << 1)) { - pr_debug("w83793: Detection failed at check " - "i2c addr\n"); - return -ENODEV; - } - + tmp = bank & 0x80 ? 0x5c : 0xa3; + /* Check Winbond vendor ID */ + if (tmp != i2c_smbus_read_byte_data(client, W83793_REG_VENDORID)) { + pr_debug("w83793: Detection failed at check vendor id\n"); + return -ENODEV; } - /* We have either had a force parameter, or we have already detected the - Winbond. Determine the chip type now */ - - if (kind <= 0) { - if (0x7b == i2c_smbus_read_byte_data(client, - W83793_REG_CHIPID)) { - kind = w83793; - } else { - if (kind == 0) - dev_warn(&adapter->dev, "w83793: Ignoring " - "'force' parameter for unknown chip " - "at address 0x%02x\n", address); - return -ENODEV; - } + /* If Winbond chip, address of chip and W83793_REG_I2C_ADDR + should match */ + if ((bank & 0x07) == 0 + && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) != + (address << 1)) { + pr_debug("w83793: Detection failed at check i2c addr\n"); + return -ENODEV; } + /* Determine the chip type now */ + chip_id = i2c_smbus_read_byte_data(client, W83793_REG_CHIPID); + if (chip_id != 0x7b) + return -ENODEV; + strlcpy(info->type, "w83793", I2C_NAME_SIZE); return 0; @@ -1221,6 +1601,7 @@ static int w83793_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; + const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 }; struct w83793_data *data; int i, tmp, val, err; int files_fan = ARRAY_SIZE(w83793_left_fan) / 7; @@ -1236,6 +1617,14 @@ static int w83793_probe(struct i2c_client *client, i2c_set_clientdata(client, data); data->bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL); mutex_init(&data->update_lock); + mutex_init(&data->watchdog_lock); + INIT_LIST_HEAD(&data->list); + kref_init(&data->kref); + + /* Store client pointer in our data struct for watchdog usage + (where the client is found through a data ptr instead of the + otherway around) */ + data->client = client; err = w83793_detect_subclients(client); if (err) @@ -1398,8 +1787,77 @@ static int w83793_probe(struct i2c_client *client, goto exit_remove; } + /* Watchdog initialization */ + + /* Register boot notifier */ + err = register_reboot_notifier(&watchdog_notifier); + if (err != 0) { + dev_err(&client->dev, + "cannot register reboot notifier (err=%d)\n", err); + goto exit_devunreg; + } + + /* Enable Watchdog registers. + Set Configuration Register to Enable Watch Dog Registers + (Bit 2) = XXXX, X1XX. */ + tmp = w83793_read_value(client, W83793_REG_CONFIG); + w83793_write_value(client, W83793_REG_CONFIG, tmp | 0x04); + + /* Set the default watchdog timeout */ + data->watchdog_timeout = timeout; + + /* Check, if last reboot was caused by watchdog */ + data->watchdog_caused_reboot = + w83793_read_value(data->client, W83793_REG_WDT_STATUS) & 0x01; + + /* Disable Soft Watchdog during initialiation */ + watchdog_disable(data); + + /* We take the data_mutex lock early so that watchdog_open() cannot + run when misc_register() has completed, but we've not yet added + our data to the watchdog_data_list (and set the default timeout) */ + mutex_lock(&watchdog_data_mutex); + for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) { + /* Register our watchdog part */ + snprintf(data->watchdog_name, sizeof(data->watchdog_name), + "watchdog%c", (i == 0) ? '\0' : ('0' + i)); + data->watchdog_miscdev.name = data->watchdog_name; + data->watchdog_miscdev.fops = &watchdog_fops; + data->watchdog_miscdev.minor = watchdog_minors[i]; + + err = misc_register(&data->watchdog_miscdev); + if (err == -EBUSY) + continue; + if (err) { + data->watchdog_miscdev.minor = 0; + dev_err(&client->dev, + "Registering watchdog chardev: %d\n", err); + break; + } + + list_add(&data->list, &watchdog_data_list); + + dev_info(&client->dev, + "Registered watchdog chardev major 10, minor: %d\n", + watchdog_minors[i]); + break; + } + if (i == ARRAY_SIZE(watchdog_minors)) { + data->watchdog_miscdev.minor = 0; + dev_warn(&client->dev, "Couldn't register watchdog chardev " + "(due to no free minor)\n"); + } + + mutex_unlock(&watchdog_data_mutex); + return 0; + /* Unregister hwmon device */ + +exit_devunreg: + + hwmon_device_unregister(data->hwmon_dev); + /* Unregister sysfs hooks */ exit_remove: @@ -1646,7 +2104,7 @@ static void __exit sensors_w83793_exit(void) i2c_del_driver(&w83793_driver); } -MODULE_AUTHOR("Yuan Mu"); +MODULE_AUTHOR("Yuan Mu, Sven Anders"); MODULE_DESCRIPTION("w83793 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index ea295b9..20781de 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -1,7 +1,7 @@ /* * w83l785ts.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2004 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2009 Jean Delvare <khali@linux-fr.org> * * Inspired from the lm83 driver. The W83L785TS-S is a sensor chip made * by Winbond. It reports a single external temperature with a 1 deg @@ -52,12 +52,6 @@ static const unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END }; /* - * Insmod parameters - */ - -I2C_CLIENT_INSMOD_1(w83l785ts); - -/* * The W83L785TS-S registers * Manufacturer ID is 0x5CA3 for Winbond. */ @@ -83,7 +77,7 @@ I2C_CLIENT_INSMOD_1(w83l785ts); static int w83l785ts_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int w83l785ts_detect(struct i2c_client *client, int kind, +static int w83l785ts_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83l785ts_remove(struct i2c_client *client); static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval); @@ -94,7 +88,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev); */ static const struct i2c_device_id w83l785ts_id[] = { - { "w83l785ts", w83l785ts }, + { "w83l785ts", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, w83l785ts_id); @@ -108,7 +102,7 @@ static struct i2c_driver w83l785ts_driver = { .remove = w83l785ts_remove, .id_table = w83l785ts_id, .detect = w83l785ts_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -146,60 +140,36 @@ static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, NULL, 1); */ /* Return 0 if detection is successful, -ENODEV otherwise */ -static int w83l785ts_detect(struct i2c_client *new_client, int kind, +static int w83l785ts_detect(struct i2c_client *client, struct i2c_board_info *info) { - struct i2c_adapter *adapter = new_client->adapter; + struct i2c_adapter *adapter = client->adapter; + u16 man_id; + u8 chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip (actually there is only - * one possible kind of chip for now, W83L785TS-S). A zero kind means - * that the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - if (kind < 0) { /* detection */ - if (((w83l785ts_read_value(new_client, - W83L785TS_REG_CONFIG, 0) & 0x80) != 0x00) - || ((w83l785ts_read_value(new_client, - W83L785TS_REG_TYPE, 0) & 0xFC) != 0x00)) { - dev_dbg(&adapter->dev, - "W83L785TS-S detection failed at 0x%02x.\n", - new_client->addr); - return -ENODEV; - } + /* detection */ + if ((w83l785ts_read_value(client, W83L785TS_REG_CONFIG, 0) & 0x80) + || (w83l785ts_read_value(client, W83L785TS_REG_TYPE, 0) & 0xFC)) { + dev_dbg(&adapter->dev, + "W83L785TS-S detection failed at 0x%02x\n", + client->addr); + return -ENODEV; } - if (kind <= 0) { /* identification */ - u16 man_id; - u8 chip_id; - - man_id = (w83l785ts_read_value(new_client, - W83L785TS_REG_MAN_ID1, 0) << 8) + - w83l785ts_read_value(new_client, - W83L785TS_REG_MAN_ID2, 0); - chip_id = w83l785ts_read_value(new_client, - W83L785TS_REG_CHIP_ID, 0); - - if (man_id == 0x5CA3) { /* Winbond */ - if (chip_id == 0x70) { /* W83L785TS-S */ - kind = w83l785ts; - } - } - - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, - "Unsupported chip (man_id=0x%04X, " - "chip_id=0x%02X).\n", man_id, chip_id); - return -ENODEV; - } + /* Identification */ + man_id = (w83l785ts_read_value(client, W83L785TS_REG_MAN_ID1, 0) << 8) + + w83l785ts_read_value(client, W83L785TS_REG_MAN_ID2, 0); + chip_id = w83l785ts_read_value(client, W83L785TS_REG_CHIP_ID, 0); + + if (man_id != 0x5CA3 /* Winbond */ + || chip_id != 0x70) { /* W83L785TS-S */ + dev_dbg(&adapter->dev, + "Unsupported chip (man_id=0x%04X, chip_id=0x%02X)\n", + man_id, chip_id); + return -ENODEV; } strlcpy(info->type, "w83l785ts", I2C_NAME_SIZE); diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index badca76..0254e18 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -38,7 +38,6 @@ static const unsigned short normal_i2c[] = { 0x2e, 0x2f, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_1(w83l786ng); static int reset; module_param(reset, bool, 0); @@ -147,14 +146,14 @@ struct w83l786ng_data { static int w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int w83l786ng_detect(struct i2c_client *client, int kind, +static int w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83l786ng_remove(struct i2c_client *client); static void w83l786ng_init_client(struct i2c_client *client); static struct w83l786ng_data *w83l786ng_update_device(struct device *dev); static const struct i2c_device_id w83l786ng_id[] = { - { "w83l786ng", w83l786ng }, + { "w83l786ng", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, w83l786ng_id); @@ -168,7 +167,7 @@ static struct i2c_driver w83l786ng_driver = { .remove = w83l786ng_remove, .id_table = w83l786ng_id, .detect = w83l786ng_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; static u8 @@ -586,57 +585,34 @@ static const struct attribute_group w83l786ng_group = { }; static int -w83l786ng_detect(struct i2c_client *client, int kind, - struct i2c_board_info *info) +w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; + u16 man_id; + u8 chip_id; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { return -ENODEV; } - /* - * Now we do the remaining detection. A negative kind means that - * the driver was loaded with no force parameter (default), so we - * must both detect and identify the chip (actually there is only - * one possible kind of chip for now, W83L786NG). A zero kind means - * that the driver was loaded with the force parameter, the detection - * step shall be skipped. A positive kind means that the driver - * was loaded with the force parameter and a given kind of chip is - * requested, so both the detection and the identification steps - * are skipped. - */ - if (kind < 0) { /* detection */ - if (((w83l786ng_read_value(client, - W83L786NG_REG_CONFIG) & 0x80) != 0x00)) { - dev_dbg(&adapter->dev, - "W83L786NG detection failed at 0x%02x.\n", - client->addr); - return -ENODEV; - } + /* Detection */ + if ((w83l786ng_read_value(client, W83L786NG_REG_CONFIG) & 0x80)) { + dev_dbg(&adapter->dev, "W83L786NG detection failed at 0x%02x\n", + client->addr); + return -ENODEV; } - if (kind <= 0) { /* identification */ - u16 man_id; - u8 chip_id; - - man_id = (w83l786ng_read_value(client, - W83L786NG_REG_MAN_ID1) << 8) + - w83l786ng_read_value(client, W83L786NG_REG_MAN_ID2); - chip_id = w83l786ng_read_value(client, W83L786NG_REG_CHIP_ID); - - if (man_id == 0x5CA3) { /* Winbond */ - if (chip_id == 0x80) { /* W83L786NG */ - kind = w83l786ng; - } - } + /* Identification */ + man_id = (w83l786ng_read_value(client, W83L786NG_REG_MAN_ID1) << 8) + + w83l786ng_read_value(client, W83L786NG_REG_MAN_ID2); + chip_id = w83l786ng_read_value(client, W83L786NG_REG_CHIP_ID); - if (kind <= 0) { /* identification failed */ - dev_info(&adapter->dev, - "Unsupported chip (man_id=0x%04X, " - "chip_id=0x%02X).\n", man_id, chip_id); - return -ENODEV; - } + if (man_id != 0x5CA3 || /* Winbond */ + chip_id != 0x80) { /* W83L786NG */ + dev_dbg(&adapter->dev, + "Unsupported chip (man_id=0x%04X, chip_id=0x%02X)\n", + man_id, chip_id); + return -ENODEV; } strlcpy(info->type, "w83l786ng", I2C_NAME_SIZE); diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c index c16e9e7..97b1f83 100644 --- a/drivers/hwmon/wm831x-hwmon.c +++ b/drivers/hwmon/wm831x-hwmon.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> +#include <linux/slab.h> #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/auxadc.h> |