diff options
Diffstat (limited to 'arch/arm/mach-exynos/kona-sensor.c')
| -rw-r--r-- | arch/arm/mach-exynos/kona-sensor.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/kona-sensor.c b/arch/arm/mach-exynos/kona-sensor.c new file mode 100644 index 0000000..4125321 --- /dev/null +++ b/arch/arm/mach-exynos/kona-sensor.c @@ -0,0 +1,256 @@ +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/i2c-gpio.h> +#include <linux/delay.h> +#include <plat/gpio-cfg.h> +#include <plat/iic.h> +#include <plat/devs.h> +#include <mach/regs-gpio.h> +#include <mach/gpio.h> +#include <mach/gpio-rev00-kona.h> +#include <linux/regulator/consumer.h> +#include <linux/err.h> +#include "midas.h" +#include <linux/sensor/sensors_core.h> +#include <linux/sensor/yas.h> +#include <linux/sensor/gp2a.h> +#include <mach/kona-sensor.h> + +#if defined(CONFIG_SENSORS_BMA254) || 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; + } + + 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); + + return ret; +} + +static int acceleromter_get_position(void) +{ + int position = 0; + +#if defined(CONFIG_TARGET_LOCALE_USA) + if (system_rev >= 3) + position = 4; + else if (system_rev >= 1) + position = 3; + else + position = 4; +#elif defined(CONFIG_MACH_KONA_EUR_LTE) + if (system_rev >= 3) + position = 4; + else if (system_rev >= 1) + position = 3; + else + position = 4; +#elif defined(CONFIG_MACH_KONA) + if (system_rev >= 1) + position = 4; + else + position = 4; +#else + position = 4; +#endif + return position; +} + +static struct accel_platform_data accel_pdata = { + .accel_get_position = acceleromter_get_position, + .axis_adjust = true, +}; + +#if defined(CONFIG_SENSORS_BMA254) +static struct i2c_board_info i2c_devs1_1[] __initdata = { + { + I2C_BOARD_INFO("bma254", 0x18), + .platform_data = &accel_pdata, + .irq = IRQ_EINT(0), + }, +}; +#endif +#if defined(CONFIG_SENSORS_K3DH) +static struct i2c_board_info i2c_devs1[] __initdata = { + { + I2C_BOARD_INFO("k3dh", 0x19), + .platform_data = &accel_pdata, + .irq = IRQ_EINT(0), + }, +}; +#endif +#endif + +#ifdef CONFIG_SENSORS_YAS532 +static struct i2c_gpio_platform_data gpio_i2c_data10 = { + .sda_pin = GPIO_MSENSOR_SDA_18V, + .scl_pin = GPIO_MSENSOR_SCL_18V, +}; + +struct platform_device s3c_device_i2c10 = { + .name = "i2c-gpio", + .id = 10, + .dev.platform_data = &gpio_i2c_data10, +}; + +static struct mag_platform_data magnetic_pdata = { + .offset_enable = 0, + .chg_status = CABLE_TYPE_NONE, + .ta_offset.v = {0, 0, 0}, + .usb_offset.v = {0, 0, 0}, + .full_offset.v = {0, 0, 0}, +}; + +static struct i2c_board_info i2c_devs10_emul[] __initdata = { + { + I2C_BOARD_INFO("yas532", 0x2e), + .platform_data = &magnetic_pdata, + }, +}; +#endif + +#ifdef CONFIG_SENSORS_GP2A +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; +} + +static unsigned long gp2a_get_threshold(u8 *thesh_diff) +{ + u8 threshold = 0x09; + + if (thesh_diff) + *thesh_diff = 1; + + if (thesh_diff) + pr_info("%s, threshold low = 0x%x, high = 0x%x\n", + __func__, threshold, (threshold + *thesh_diff)); + else + pr_info("%s, threshold = 0x%x\n", __func__, threshold); + return threshold; +} + +static struct gp2a_platform_data gp2a_pdata = { + .gp2a_led_on = proximity_leda_on, + .p_out = GPIO_PS_ALS_INT, + .gp2a_get_threshold = gp2a_get_threshold, +}; + +static struct platform_device opt_gp2a = { + .name = "gp2a-opt", + .id = -1, + .dev = { + .platform_data = &gp2a_pdata, + }, +}; +#endif + +#if defined(CONFIG_SENSORS_GP2A) || defined(CONFIG_SENSORS_AL3201) +static struct i2c_gpio_platform_data gpio_i2c_data12 = { + .sda_pin = GPIO_PS_ALS_SDA_28V, + .scl_pin = GPIO_PS_ALS_SCL_28V, +}; + +struct platform_device s3c_device_i2c12 = { + .name = "i2c-gpio", + .id = 12, + .dev.platform_data = &gpio_i2c_data12, +}; + +static struct i2c_board_info i2c_devs12_emul[] __initdata = { +#if defined(CONFIG_SENSORS_AL3201) + {I2C_BOARD_INFO("AL3201", 0x1c),}, +#endif +#if defined(CONFIG_SENSORS_GP2A) + {I2C_BOARD_INFO("gp2a", 0x39),}, +#endif +}; +#endif + +static struct platform_device *kona_sensor_devices[] __initdata = { +#if defined(CONFIG_SENSORS_BMA254) || defined(CONFIG_SENSORS_K3DH) + &s3c_device_i2c1, +#endif +#ifdef CONFIG_SENSORS_YAS532 + &s3c_device_i2c10, +#endif +#if defined(CONFIG_SENSORS_GP2A) || defined(CONFIG_SENSORS_AL3201) + &s3c_device_i2c12, +#endif +}; + +int kona_sensor_init(void) +{ + int ret = 0; + + /* accelerometer sensor */ + pr_info("%s, is called\n", __func__); + +#if defined(CONFIG_SENSORS_BMA254) || defined(CONFIG_SENSORS_K3DH) + s3c_i2c1_set_platdata(NULL); + i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); +#endif +#ifdef CONFIG_SENSORS_YAS532 + /* magnetic sensor */ + i2c_register_board_info(10, i2c_devs10_emul, + ARRAY_SIZE(i2c_devs10_emul)); +#endif +#ifdef CONFIG_SENSORS_GP2A + /* optical sensor */ + ret = optical_gpio_init(); + if (ret < 0) + pr_err("%s, optical_gpio_init fail(err=%d)\n", __func__, ret); + + i2c_register_board_info(12, i2c_devs12_emul, + ARRAY_SIZE(i2c_devs12_emul)); + + ret = platform_device_register(&opt_gp2a); + if (ret < 0) { + pr_err("%s, failed to register opt_gp2a(err=%d)\n", + __func__, ret); + return ret; + } +#elif defined(CONFIG_SENSORS_AL3201) + i2c_register_board_info(12, i2c_devs12_emul, + ARRAY_SIZE(i2c_devs12_emul)); +#endif + platform_add_devices(kona_sensor_devices, + ARRAY_SIZE(kona_sensor_devices)); + + return ret; +} + |