diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_pm.c | 259 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_pm.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_temp.c | 272 |
5 files changed, 518 insertions, 39 deletions
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 3cedabe..bdbde72 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -25,7 +25,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ nv04_crtc.o nv04_display.o nv04_cursor.o nv04_fbcon.o \ nv10_gpio.o nv50_gpio.o \ nv50_calc.o \ - nv04_pm.o nv50_pm.o + nv04_pm.o nv50_pm.o nouveau_temp.o nouveau-$(CONFIG_DRM_NOUVEAU_DEBUG) += nouveau_debugfs.o nouveau-$(CONFIG_COMPAT) += nouveau_ioc32.o diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 8d36ed6..3fc5596 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -387,10 +387,26 @@ struct nouveau_pm_level { u8 fanspeed; }; +struct nouveau_pm_temp_sensor_constants { + u16 offset_constant; + s16 offset_mult; + u16 offset_div; + u16 slope_mult; + u16 slope_div; +}; + +struct nouveau_pm_threshold_temp { + s16 critical; + s16 down_clock; + s16 fan_boost; +}; + struct nouveau_pm_engine { struct nouveau_pm_voltage voltage; struct nouveau_pm_level perflvl[NOUVEAU_PM_MAX_LEVEL]; int nr_perflvl; + struct nouveau_pm_temp_sensor_constants sensor_constants; + struct nouveau_pm_threshold_temp threshold_temp; struct nouveau_pm_level boot; struct nouveau_pm_level *cur; @@ -663,6 +679,8 @@ struct drm_nouveau_private { struct nouveau_fbdev *nfbdev; struct apertures_struct *apertures; + + struct device *int_hwmon_dev; }; static inline struct drm_nouveau_private * diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index a07f274..09b6384 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -27,6 +27,9 @@ #include "nouveau_drv.h" #include "nouveau_pm.h" +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> + static int nouveau_pm_clock_set(struct drm_device *dev, u8 id, u32 khz) { @@ -189,7 +192,7 @@ nouveau_pm_get_perflvl_info(struct device *d, static ssize_t nouveau_pm_get_perflvl(struct device *d, struct device_attribute *a, char *buf) { - struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); + struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pm_engine *pm = &dev_priv->engine.pm; struct nouveau_pm_level cur; @@ -215,7 +218,7 @@ static ssize_t nouveau_pm_set_perflvl(struct device *d, struct device_attribute *a, const char *buf, size_t count) { - struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); + struct drm_device *dev = pci_get_drvdata(to_pci_dev(d)); int ret; ret = nouveau_pm_profile_set(dev, buf); @@ -227,43 +230,14 @@ nouveau_pm_set_perflvl(struct device *d, struct device_attribute *a, DEVICE_ATTR(performance_level, S_IRUGO | S_IWUSR, nouveau_pm_get_perflvl, nouveau_pm_set_perflvl); -int -nouveau_pm_init(struct drm_device *dev) +static int +nouveau_sysfs_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pm_engine *pm = &dev_priv->engine.pm; struct device *d = &dev->pdev->dev; - char info[256]; int ret, i; - nouveau_volt_init(dev); - nouveau_perf_init(dev); - - NV_INFO(dev, "%d available performance level(s)\n", pm->nr_perflvl); - for (i = 0; i < pm->nr_perflvl; i++) { - nouveau_pm_perflvl_info(&pm->perflvl[i], info, sizeof(info)); - NV_INFO(dev, "%d: %s", pm->perflvl[i].id, info); - } - - /* determine current ("boot") performance level */ - ret = nouveau_pm_perflvl_get(dev, &pm->boot); - if (ret == 0) { - pm->cur = &pm->boot; - - nouveau_pm_perflvl_info(&pm->boot, info, sizeof(info)); - NV_INFO(dev, "c: %s", info); - } - - /* switch performance levels now if requested */ - if (nouveau_perflvl != NULL) { - ret = nouveau_pm_profile_set(dev, nouveau_perflvl); - if (ret) { - NV_ERROR(dev, "error setting perflvl \"%s\": %d\n", - nouveau_perflvl, ret); - } - } - - /* initialise sysfs */ ret = device_create_file(d, &dev_attr_performance_level); if (ret) return ret; @@ -290,17 +264,14 @@ nouveau_pm_init(struct drm_device *dev) return 0; } -void -nouveau_pm_fini(struct drm_device *dev) +static void +nouveau_sysfs_fini(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pm_engine *pm = &dev_priv->engine.pm; struct device *d = &dev->pdev->dev; int i; - if (pm->cur != &pm->boot) - nouveau_pm_perflvl_set(dev, &pm->boot); - device_remove_file(d, &dev_attr_performance_level); for (i = 0; i < pm->nr_perflvl; i++) { struct nouveau_pm_level *pl = &pm->perflvl[i]; @@ -310,9 +281,221 @@ nouveau_pm_fini(struct drm_device *dev) device_remove_file(d, &pl->dev_attr); } +} + + + +static ssize_t +nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) +{ + struct drm_device *dev = dev_get_drvdata(d); + + return snprintf(buf, PAGE_SIZE, "%d\n", nouveau_temp_get(dev)*1000); +} +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp, + NULL, 0); + +static ssize_t +nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf) +{ + struct drm_device *dev = dev_get_drvdata(d); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_threshold_temp *temp = &pm->threshold_temp; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp->down_clock*1000); +} +static ssize_t +nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a, + const char *buf, size_t count) +{ + struct drm_device *dev = dev_get_drvdata(d); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_threshold_temp *temp = &pm->threshold_temp; + long value; + + if (strict_strtoul(buf, 10, &value) == -EINVAL) + return count; + + temp->down_clock = value/1000; + + nouveau_temp_safety_checks(dev); + + return count; +} +static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp, + nouveau_hwmon_set_max_temp, + 0); + +static ssize_t +nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a, + char *buf) +{ + struct drm_device *dev = dev_get_drvdata(d); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_threshold_temp *temp = &pm->threshold_temp; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp->critical*1000); +} +static ssize_t +nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a, + const char *buf, + size_t count) +{ + struct drm_device *dev = dev_get_drvdata(d); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_threshold_temp *temp = &pm->threshold_temp; + long value; + + if (strict_strtoul(buf, 10, &value) == -EINVAL) + return count; + + temp->critical = value/1000; + + nouveau_temp_safety_checks(dev); + + return count; +} +static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, + nouveau_hwmon_critical_temp, + nouveau_hwmon_set_critical_temp, + 0); + +static ssize_t nouveau_hwmon_show_name(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "nouveau\n"); +} +static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0); + +static ssize_t nouveau_hwmon_show_update_rate(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "1000\n"); +} +static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO, + nouveau_hwmon_show_update_rate, + NULL, 0); + +static struct attribute *hwmon_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_name.dev_attr.attr, + &sensor_dev_attr_update_rate.dev_attr.attr, + NULL +}; + +static const struct attribute_group hwmon_attrgroup = { + .attrs = hwmon_attributes, +}; + +static int +nouveau_hwmon_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct device *hwmon_dev; + int ret; + + dev_priv->int_hwmon_dev = NULL; + + hwmon_dev = hwmon_device_register(&dev->pdev->dev); + if (IS_ERR(hwmon_dev)) { + ret = PTR_ERR(hwmon_dev); + NV_ERROR(dev, + "Unable to register hwmon device: %d\n", ret); + return ret; + } + dev_set_drvdata(hwmon_dev, dev); + ret = sysfs_create_group(&hwmon_dev->kobj, + &hwmon_attrgroup); + if (ret) { + NV_ERROR(dev, + "Unable to create hwmon sysfs file: %d\n", ret); + hwmon_device_unregister(hwmon_dev); + return ret; + } + + dev_priv->int_hwmon_dev = hwmon_dev; + + return 0; +} + +static void +nouveau_hwmon_fini(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->int_hwmon_dev) { + sysfs_remove_group(&dev_priv->int_hwmon_dev->kobj, + &hwmon_attrgroup); + hwmon_device_unregister(dev_priv->int_hwmon_dev); + } +} + + +int +nouveau_pm_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + char info[256]; + int ret, i; + + nouveau_volt_init(dev); + nouveau_perf_init(dev); + nouveau_temp_init(dev); + + NV_INFO(dev, "%d available performance level(s)\n", pm->nr_perflvl); + for (i = 0; i < pm->nr_perflvl; i++) { + nouveau_pm_perflvl_info(&pm->perflvl[i], info, sizeof(info)); + NV_INFO(dev, "%d: %s", pm->perflvl[i].id, info); + } + + /* determine current ("boot") performance level */ + ret = nouveau_pm_perflvl_get(dev, &pm->boot); + if (ret == 0) { + pm->cur = &pm->boot; + + nouveau_pm_perflvl_info(&pm->boot, info, sizeof(info)); + NV_INFO(dev, "c: %s", info); + } + + /* switch performance levels now if requested */ + if (nouveau_perflvl != NULL) { + ret = nouveau_pm_profile_set(dev, nouveau_perflvl); + if (ret) { + NV_ERROR(dev, "error setting perflvl \"%s\": %d\n", + nouveau_perflvl, ret); + } + } + + nouveau_sysfs_init(dev); + nouveau_hwmon_init(dev); + + return 0; +} + +void +nouveau_pm_fini(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + + if (pm->cur != &pm->boot) + nouveau_pm_perflvl_set(dev, &pm->boot); nouveau_perf_fini(dev); nouveau_volt_fini(dev); + nouveau_temp_fini(dev); + + nouveau_hwmon_fini(dev); + nouveau_sysfs_fini(dev); } void diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.h b/drivers/gpu/drm/nouveau/nouveau_pm.h index f3de5a6..d048b75 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.h +++ b/drivers/gpu/drm/nouveau/nouveau_pm.h @@ -52,4 +52,10 @@ int nv50_pm_clock_get(struct drm_device *, u32 id); void *nv50_pm_clock_pre(struct drm_device *, u32 id, int khz); void nv50_pm_clock_set(struct drm_device *, void *); +/* nouveau_temp.c */ +void nouveau_temp_init(struct drm_device *dev); +void nouveau_temp_fini(struct drm_device *dev); +void nouveau_temp_safety_checks(struct drm_device *dev); +int16_t nouveau_temp_get(struct drm_device *dev); + #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_temp.c b/drivers/gpu/drm/nouveau/nouveau_temp.c new file mode 100644 index 0000000..3394075 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_temp.c @@ -0,0 +1,272 @@ +/* + * Copyright 2010 PathScale inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Martin Peres + */ + +#include "drmP.h" + +#include "nouveau_drv.h" +#include "nouveau_pm.h" + +void +nouveau_temp_vbios_parse(struct drm_device *dev, u8 *temp) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_temp_sensor_constants *sensor = &pm->sensor_constants; + struct nouveau_pm_threshold_temp *temps = &pm->threshold_temp; + int i, headerlen, recordlen, entries; + + if (!temp) { + NV_DEBUG(dev, "temperature table pointer invalid\n"); + return; + } + + /* Set the default sensor's contants */ + sensor->offset_constant = 0; + sensor->offset_mult = 1; + sensor->offset_div = 1; + sensor->slope_mult = 1; + sensor->slope_div = 1; + + /* Set the default temperature thresholds */ + temps->critical = 110; + temps->down_clock = 100; + temps->fan_boost = 90; + + /* Set the known default values to setup the temperature sensor */ + if (dev_priv->card_type >= NV_40) { + switch (dev_priv->chipset) { + case 0x43: + sensor->offset_mult = 32060; + sensor->offset_div = 1000; + sensor->slope_mult = 792; + sensor->slope_div = 1000; + break; + + case 0x44: + case 0x47: + sensor->offset_mult = 27839; + sensor->offset_div = 1000; + sensor->slope_mult = 780; + sensor->slope_div = 1000; + break; + + case 0x46: + sensor->offset_mult = -24775; + sensor->offset_div = 100; + sensor->slope_mult = 467; + sensor->slope_div = 10000; + break; + + case 0x49: + sensor->offset_mult = -25051; + sensor->offset_div = 100; + sensor->slope_mult = 458; + sensor->slope_div = 10000; + break; + + case 0x4b: + sensor->offset_mult = -24088; + sensor->offset_div = 100; + sensor->slope_mult = 442; + sensor->slope_div = 10000; + break; + + case 0x50: + sensor->offset_mult = -22749; + sensor->offset_div = 100; + sensor->slope_mult = 431; + sensor->slope_div = 10000; + break; + } + } + + headerlen = temp[1]; + recordlen = temp[2]; + entries = temp[3]; + temp = temp + headerlen; + + /* Read the entries from the table */ + for (i = 0; i < entries; i++) { + u16 value = ROM16(temp[1]); + + switch (temp[0]) { + case 0x01: + value = (value&0x8f) == 0 ? (value >> 9) & 0x7f : 0; + sensor->offset_constant = value; + break; + + case 0x04: + if ((value & 0xf00f) == 0xa000) /* core */ + temps->critical = (value&0x0ff0) >> 4; + break; + + case 0x07: + if ((value & 0xf00f) == 0xa000) /* core */ + temps->down_clock = (value&0x0ff0) >> 4; + break; + + case 0x08: + if ((value & 0xf00f) == 0xa000) /* core */ + temps->fan_boost = (value&0x0ff0) >> 4; + break; + + case 0x10: + sensor->offset_mult = value; + break; + + case 0x11: + sensor->offset_div = value; + break; + + case 0x12: + sensor->slope_mult = value; + break; + + case 0x13: + sensor->slope_div = value; + break; + } + temp += recordlen; + } + + nouveau_temp_safety_checks(dev); +} + +static s16 +nouveau_nv40_sensor_setup(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_temp_sensor_constants *sensor = &pm->sensor_constants; + u32 offset = sensor->offset_mult / sensor->offset_div; + u32 sensor_calibration; + + /* set up the sensors */ + sensor_calibration = 120 - offset - sensor->offset_constant; + sensor_calibration = sensor_calibration * sensor->slope_div / + sensor->slope_mult; + + if (dev_priv->chipset >= 0x46) + sensor_calibration |= 0x80000000; + else + sensor_calibration |= 0x10000000; + + nv_wr32(dev, 0x0015b0, sensor_calibration); + + /* Wait for the sensor to update */ + msleep(5); + + /* read */ + return nv_rd32(dev, 0x0015b4); +} + +s16 +nouveau_temp_get(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_temp_sensor_constants *sensor = &pm->sensor_constants; + + if (dev_priv->chipset >= 0x84) { + return nv_rd32(dev, 0x20400); + } else if (dev_priv->chipset >= 0x40) { + u32 offset = sensor->offset_mult / sensor->offset_div; + u32 core_temp; + + if (dev_priv->chipset >= 0x50) { + core_temp = nv_rd32(dev, 0x20008); + } else { + core_temp = nv_rd32(dev, 0x0015b4); + /* Setup the sensor if the temperature is 0 */ + if (core_temp == 0) + core_temp = nouveau_nv40_sensor_setup(dev); + } + + core_temp = core_temp * sensor->slope_mult / sensor->slope_div; + core_temp = core_temp + offset + sensor->offset_constant; + + return core_temp; + } else { + NV_ERROR(dev, + "Temperature cannot be retrieved from an nv%x card\n", + dev_priv->chipset); + return 0; + } + + return 0; +} + +void +nouveau_temp_safety_checks(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_threshold_temp *temps = &pm->threshold_temp; + + if (temps->critical > 120) + temps->critical = 120; + else if (temps->critical < 80) + temps->critical = 80; + + if (temps->down_clock > 110) + temps->down_clock = 110; + else if (temps->down_clock < 60) + temps->down_clock = 60; + + if (temps->fan_boost > 100) + temps->fan_boost = 100; + else if (temps->fan_boost < 40) + temps->fan_boost = 40; +} + +void +nouveau_temp_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nvbios *bios = &dev_priv->vbios; + struct bit_entry P; + u8 *temp = NULL; + + if (bios->type == NVBIOS_BIT) { + if (bit_table(dev, 'P', &P)) + return; + + if (P.version == 1) + temp = ROMPTR(bios, P.data[12]); + else if (P.version == 2) + temp = ROMPTR(bios, P.data[16]); + else + NV_WARN(dev, "unknown temp for BIT P %d\n", P.version); + } else { + NV_WARN(dev, "BMP entry unknown for temperature table.\n"); + } + + nouveau_temp_vbios_parse(dev, temp); +} + +void +nouveau_temp_fini(struct drm_device *dev) +{ + +} |