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#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/sensor/sensors_core.h>
#ifdef CONFIG_SENSORS_AK8975C
#include <linux/sensor/ak8975.h>
#endif
#ifdef CONFIG_SENSORS_AK8963C
#include <linux/sensor/ak8963.h>
#endif
#include <linux/sensor/k3dh.h>
#include <linux/sensor/gp2a.h>
#include <linux/sensor/lsm330dlc_accel.h>
#include <linux/sensor/lsm330dlc_gyro.h>
#include <linux/sensor/lps331ap.h>
#include <linux/sensor/cm36651.h>
#include <linux/sensor/cm3663.h>
#include <linux/sensor/bh1721.h>
#include <plat/gpio-cfg.h>
#include <mach/regs-gpio.h>
#include <mach/gpio.h>
#include "midas.h"
#if defined(CONFIG_SENSORS_LSM330DLC) ||\
defined(CONFIG_SENSORS_K3DH)
static int stm_get_position(void);
static struct accel_platform_data accel_pdata = {
.accel_get_position = stm_get_position,
.axis_adjust = true,
};
#endif
#ifdef CONFIG_SENSORS_LSM330DLC
static struct gyro_platform_data gyro_pdata = {
.gyro_get_position = stm_get_position,
.axis_adjust = true,
};
#endif
static struct i2c_board_info i2c_devs1[] __initdata = {
#ifdef CONFIG_SENSORS_LSM330DLC
{
I2C_BOARD_INFO("lsm330dlc_accel", (0x32 >> 1)),
.platform_data = &accel_pdata,
},
{
I2C_BOARD_INFO("lsm330dlc_gyro", (0xD6 >> 1)),
.platform_data = &gyro_pdata,
},
#elif defined(CONFIG_SENSORS_K3DH)
{
I2C_BOARD_INFO("k3dh", 0x19),
.platform_data = &accel_pdata,
},
#endif
};
static int stm_get_position(void)
{
int position = 0;
#if defined(CONFIG_MACH_M3)
if (system_rev == 1)
position = 3; /* top/lower-left */
else
position = 2; /* top/lower-right */
#elif defined(CONFIG_MACH_M0_CMCC)
if (system_rev == 2)
position = 0; /* top/upper-left */
else
position = 2; /* top/lower-right */
#elif defined(CONFIG_MACH_C1_KOR_SKT) || defined(CONFIG_MACH_C1_KOR_KT)
if (system_rev >= 6)
position = 6; /* bottom/lower-right */
else
position = 3; /* top/lower-left */
#elif defined(CONFIG_MACH_C1_KOR_LGT)
if (system_rev >= 6)
position = 2; /* top/lower-right */
else if (system_rev == 5)
position = 4; /* bottom/upper-left */
else
position = 3; /* top/lower-left */
#elif defined(CONFIG_MACH_P4NOTE)
position = 4; /* bottom/upper-left */
#elif defined(CONFIG_MACH_M0_GRANDECTC)
if (system_rev == 13)
position = 0; /* top/upper-left */
else
position = 4;
#elif defined(CONFIG_MACH_IRON)
position = 7; /* bottom/lower-left */
#elif defined(CONFIG_MACH_M0)
if (system_rev == 3 || system_rev == 0)
position = 6; /* bottom/lower-right */
else if (system_rev == 1 || system_rev == 2\
|| system_rev == 4 || system_rev == 5)
position = 0; /* top/upper-left */
else
position = 2; /* top/lower-right */
#elif defined(CONFIG_MACH_C1)
if (system_rev == 3 || system_rev == 0)
position = 7; /* bottom/lower-left */
else if (system_rev == 2)
position = 3; /* top/lower-left */
else
position = 2; /* top/lower-right */
#elif defined(CONFIG_MACH_GC1)
position = 1;
#else /* Common */
position = 2; /* top/lower-right */
#endif
return position;
}
#if defined(CONFIG_SENSORS_LSM330DLC) || \
defined(CONFIG_SENSORS_K3DH)
static int accel_gpio_init(void)
{
int ret = gpio_request(GPIO_ACC_INT, "accelerometer_irq");
pr_info("%s\n", __func__);
if (ret) {
pr_err("%s, Failed to request gpio accelerometer_irq(%d)\n",
__func__, ret);
return ret;
}
/* Accelerometer sensor interrupt pin initialization */
s3c_gpio_cfgpin(GPIO_ACC_INT, S3C_GPIO_INPUT);
gpio_set_value(GPIO_ACC_INT, 2);
s3c_gpio_setpull(GPIO_ACC_INT, S3C_GPIO_PULL_NONE);
s5p_gpio_set_drvstr(GPIO_ACC_INT, S5P_GPIO_DRVSTR_LV1);
i2c_devs1[0].irq = gpio_to_irq(GPIO_ACC_INT);
return ret;
}
#endif
#ifdef CONFIG_SENSORS_LSM330DLC
static int gyro_gpio_init(void)
{
int ret = gpio_request(GPIO_GYRO_INT, "lsm330dlc_gyro_irq");
pr_info("%s\n", __func__);
if (ret) {
pr_err("%s, Failed to request gpio lsm330dlc_gyro_irq(%d)\n",
__func__, ret);
return ret;
}
ret = gpio_request(GPIO_GYRO_DE, "lsm330dlc_gyro_data_enable");
if (ret) {
pr_err("%s, Failed to request gpio lsm330dlc_gyro_data_enable(%d)\n",
__func__, ret);
return ret;
}
/* Gyro sensor interrupt pin initialization */
#if 0
s5p_register_gpio_interrupt(GPIO_GYRO_INT);
s3c_gpio_cfgpin(GPIO_GYRO_INT, S3C_GPIO_SFN(0xF));
#else
s3c_gpio_cfgpin(GPIO_GYRO_INT, S3C_GPIO_INPUT);
#endif
gpio_set_value(GPIO_GYRO_INT, 2);
s3c_gpio_setpull(GPIO_GYRO_INT, S3C_GPIO_PULL_DOWN);
s5p_gpio_set_drvstr(GPIO_GYRO_INT, S5P_GPIO_DRVSTR_LV1);
#if 0
i2c_devs1[1].irq = gpio_to_irq(GPIO_GYRO_INT); /* interrupt */
#else
i2c_devs1[1].irq = -1; /* polling */
#endif
/* Gyro sensor data enable pin initialization */
s3c_gpio_cfgpin(GPIO_GYRO_DE, S3C_GPIO_OUTPUT);
gpio_set_value(GPIO_GYRO_DE, 0);
s3c_gpio_setpull(GPIO_GYRO_DE, S3C_GPIO_PULL_DOWN);
s5p_gpio_set_drvstr(GPIO_GYRO_DE, S5P_GPIO_DRVSTR_LV1);
return ret;
}
#endif
#if defined(CONFIG_SENSORS_GP2A) || defined(CONFIG_SENSORS_CM36651) || \
defined(CONFIG_SENSORS_CM3663)
static int proximity_leda_on(bool onoff)
{
pr_info("%s, onoff = %d\n", __func__, onoff);
gpio_set_value(GPIO_PS_ALS_EN, onoff);
return 0;
}
static int optical_gpio_init(void)
{
int ret = gpio_request(GPIO_PS_ALS_EN, "optical_power_supply_on");
pr_info("%s\n", __func__);
if (ret) {
pr_err("%s, Failed to request gpio optical power supply(%d)\n",
__func__, ret);
return ret;
}
/* configuring for gp2a gpio for LEDA power */
s3c_gpio_cfgpin(GPIO_PS_ALS_EN, S3C_GPIO_OUTPUT);
gpio_set_value(GPIO_PS_ALS_EN, 0);
s3c_gpio_setpull(GPIO_PS_ALS_EN, S3C_GPIO_PULL_NONE);
return ret;
}
#endif
#if defined(CONFIG_SENSORS_CM36651)
/* Depends window, threshold is needed to be set */
static u8 cm36651_get_threshold(void)
{
u8 threshold = 17;
/* Add model config and threshold here. */
#if defined(CONFIG_MACH_M0)
if (system_rev >= 12)
threshold = 13;
#elif defined(CONFIG_MACH_C1_KOR_SKT) || defined(CONFIG_MACH_C1_KOR_KT) ||\
defined(CONFIG_MACH_C1_KOR_LGT)
if (system_rev >= 6)
threshold = 13;
#elif defined(CONFIG_MACH_M3)
if (system_rev >= 11)
threshold = 13;
#elif defined(CONFIG_MACH_C1)
if (system_rev >= 7)
threshold = 13;
#endif
return threshold;
}
static struct cm36651_platform_data cm36651_pdata = {
.cm36651_led_on = proximity_leda_on,
.cm36651_get_threshold = cm36651_get_threshold,
.irq = GPIO_PS_ALS_INT,
};
#endif
#if defined(CONFIG_SENSORS_CM3663)
static struct cm3663_platform_data cm3663_pdata = {
.proximity_power = proximity_leda_on,
};
#endif
#if defined(CONFIG_SENSORS_GP2A)
static struct gp2a_platform_data gp2a_pdata = {
.gp2a_led_on = proximity_leda_on,
.p_out = GPIO_PS_ALS_INT,
};
static struct platform_device opt_gp2a = {
.name = "gp2a-opt",
.id = -1,
.dev = {
.platform_data = &gp2a_pdata,
},
};
#endif
static struct i2c_board_info i2c_devs9_emul[] __initdata = {
#if defined(CONFIG_SENSORS_GP2A)
{
I2C_BOARD_INFO("gp2a", (0x72 >> 1)),
},
#elif defined(CONFIG_SENSORS_CM36651)
{
I2C_BOARD_INFO("cm36651", (0x30 >> 1)),
.platform_data = &cm36651_pdata,
},
#elif defined(CONFIG_SENSORS_CM3663)
{
I2C_BOARD_INFO("cm3663", (0x20)),
.irq = GPIO_PS_ALS_INT,
.platform_data = &cm3663_pdata,
},
#elif defined(CONFIG_SENSORS_BH1721)
{
I2C_BOARD_INFO("bh1721fvc", 0x23),
},
#endif
};
#ifdef CONFIG_SENSORS_AK8975C
static struct akm8975_platform_data akm8975_pdata = {
.gpio_data_ready_int = GPIO_MSENSOR_INT,
};
static struct i2c_board_info i2c_devs10_emul[] __initdata = {
{
I2C_BOARD_INFO("ak8975", 0x0C),
.platform_data = &akm8975_pdata,
},
};
static int ak8975c_gpio_init(void)
{
int ret = gpio_request(GPIO_MSENSOR_INT, "gpio_akm_int");
pr_info("%s\n", __func__);
if (ret) {
pr_err("%s, Failed to request gpio akm_int.(%d)\n",
__func__, ret);
return ret;
}
s5p_register_gpio_interrupt(GPIO_MSENSOR_INT);
s3c_gpio_setpull(GPIO_MSENSOR_INT, S3C_GPIO_PULL_DOWN);
s3c_gpio_cfgpin(GPIO_MSENSOR_INT, S3C_GPIO_SFN(0xF));
i2c_devs10_emul[0].irq = gpio_to_irq(GPIO_MSENSOR_INT);
return ret;
}
#endif
#ifdef CONFIG_SENSORS_AK8963C
static struct akm8963_platform_data akm8963_pdata = {
.gpio_data_ready_int = GPIO_MSENSOR_INT,
.layout = 1,
.outbit = 1,
};
static struct i2c_board_info i2c_devs10_emul[] __initdata = {
{
I2C_BOARD_INFO("ak8963", 0x0C),
.platform_data = &akm8963_pdata,
},
};
static int ak8963c_gpio_init(void)
{
int ret = gpio_request(GPIO_MSENSOR_INT, "gpio_akm_int");
pr_info("%s\n", __func__);
if (ret) {
pr_err("%s, Failed to request gpio akm_int.(%d)\n",
__func__, ret);
return ret;
}
gpio_set_value(GPIO_MSENSE_RST_N, 1);
s5p_register_gpio_interrupt(GPIO_MSENSOR_INT);
s3c_gpio_setpull(GPIO_MSENSOR_INT, S3C_GPIO_PULL_DOWN);
s3c_gpio_cfgpin(GPIO_MSENSOR_INT, S3C_GPIO_SFN(0xF));
i2c_devs10_emul[0].irq = gpio_to_irq(GPIO_MSENSOR_INT);
return ret;
}
#endif
#ifdef CONFIG_SENSORS_LPS331
static int lps331_gpio_init(void)
{
int ret = gpio_request(GPIO_BARO_INT, "lps331_irq");
pr_info("%s\n", __func__);
if (ret) {
pr_err("%s, Failed to request gpio lps331_irq(%d)\n",
__func__, ret);
return ret;
}
s3c_gpio_cfgpin(GPIO_BARO_INT, S3C_GPIO_INPUT);
gpio_set_value(GPIO_BARO_INT, 2);
s3c_gpio_setpull(GPIO_BARO_INT, S3C_GPIO_PULL_NONE);
s5p_gpio_set_drvstr(GPIO_BARO_INT, S5P_GPIO_DRVSTR_LV1);
return ret;
}
static struct lps331ap_platform_data lps331ap_pdata = {
.irq = GPIO_BARO_INT,
};
static struct i2c_board_info i2c_devs11_emul[] __initdata = {
{
I2C_BOARD_INFO("lps331ap", 0x5D),
.platform_data = &lps331ap_pdata,
},
};
#endif
static int __init midas_sensor_init(void)
{
int ret = 0;
/* Gyro & Accelerometer Sensor */
#if defined(CONFIG_SENSORS_LSM330DLC)
ret = accel_gpio_init();
if (ret < 0) {
pr_err("%s, accel_gpio_init fail(err=%d)\n", __func__, ret);
return ret;
}
ret = gyro_gpio_init();
if (ret < 0) {
pr_err("%s, gyro_gpio_init(err=%d)\n", __func__, ret);
return ret;
}
#elif defined(CONFIG_SENSORS_K3DH)
ret = accel_gpio_init();
if (ret < 0) {
pr_err("%s, accel_gpio_init fail(err=%d)\n", __func__, ret);
return ret;
}
#endif
ret = i2c_add_devices(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
if (ret < 0) {
pr_err("%s, i2c1 adding i2c fail(err=%d)\n", __func__, ret);
return ret;
}
/* Optical Sensor */
#if defined(CONFIG_SENSORS_GP2A) || defined(CONFIG_SENSORS_CM36651) || \
defined(CONFIG_SENSORS_CM3663)
ret = optical_gpio_init();
if (ret) {
pr_err("%s, optical_gpio_init(err=%d)\n", __func__, ret);
return ret;
}
ret = i2c_add_devices(9, i2c_devs9_emul, ARRAY_SIZE(i2c_devs9_emul));
if (ret < 0) {
pr_err("%s, i2c9 adding i2c fail(err=%d)\n", __func__, ret);
return ret;
}
#elif defined(CONFIG_SENSORS_BH1721)
ret = i2c_add_devices(9, i2c_devs9_emul, ARRAY_SIZE(i2c_devs9_emul));
if (ret < 0) {
pr_err("%s, i2c9 adding i2c fail(err=%d)\n", __func__, ret);
return ret;
}
#endif
#if defined(CONFIG_SENSORS_GP2A)
ret = platform_device_register(&opt_gp2a);
if (ret < 0) {
pr_err("%s, failed to register opt_gp2a(err=%d)\n",
__func__, ret);
return ret;
}
#endif
/* Magnetic Sensor */
#ifdef CONFIG_SENSORS_AK8975C
ret = ak8975c_gpio_init();
if (ret < 0) {
pr_err("%s, ak8975c_gpio_init fail(err=%d)\n", __func__, ret);
return ret;
}
ret = i2c_add_devices(10, i2c_devs10_emul, ARRAY_SIZE(i2c_devs10_emul));
if (ret < 0) {
pr_err("%s, i2c10 adding i2c fail(err=%d)\n", __func__, ret);
return ret;
}
#endif
/* Magnetic Sensor */
#ifdef CONFIG_SENSORS_AK8963C
ret = ak8963c_gpio_init();
if (ret < 0) {
pr_err("%s, ak8975c_gpio_init fail(err=%d)\n", __func__, ret);
return ret;
}
ret = i2c_add_devices(10, i2c_devs10_emul, ARRAY_SIZE(i2c_devs10_emul));
if (ret < 0) {
pr_err("%s, i2c10 adding i2c fail(err=%d)\n", __func__, ret);
return ret;
}
#endif
/* Pressure Sensor */
#ifdef CONFIG_SENSORS_LPS331
ret = lps331_gpio_init();
if (ret < 0) {
pr_err("%s, ak8975c_gpio_init fail(err=%d)\n", __func__, ret);
return ret;
}
ret = i2c_add_devices(11, i2c_devs11_emul, ARRAY_SIZE(i2c_devs11_emul));
if (ret < 0) {
pr_err("%s, i2c1 adding i2c fail(err=%d)\n", __func__, ret);
return ret;
}
#endif
return ret;
}
module_init(midas_sensor_init);
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