diff options
Diffstat (limited to 'arch/arm/mach-tegra/board-ventana-sensors.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-ventana-sensors.c | 149 |
1 files changed, 118 insertions, 31 deletions
diff --git a/arch/arm/mach-tegra/board-ventana-sensors.c b/arch/arm/mach-tegra/board-ventana-sensors.c index 574bdb25fc2a..db6ebfd2e137 100644 --- a/arch/arm/mach-tegra/board-ventana-sensors.c +++ b/arch/arm/mach-tegra/board-ventana-sensors.c @@ -186,7 +186,6 @@ static struct ssl3250a_platform_data ventana_ssl3250a_pdata = { static void ventana_isl29018_init(void) { - tegra_gpio_enable(ISL29018_IRQ_GPIO); gpio_request(ISL29018_IRQ_GPIO, "isl29018"); gpio_direction_input(ISL29018_IRQ_GPIO); } @@ -194,7 +193,6 @@ static void ventana_isl29018_init(void) #ifdef CONFIG_SENSORS_AK8975 static void ventana_akm8975_init(void) { - tegra_gpio_enable(AKM8975_IRQ_GPIO); gpio_request(AKM8975_IRQ_GPIO, "akm8975"); gpio_direction_input(AKM8975_IRQ_GPIO); } @@ -202,21 +200,118 @@ static void ventana_akm8975_init(void) static void ventana_nct1008_init(void) { - tegra_gpio_enable(NCT1008_THERM2_GPIO); gpio_request(NCT1008_THERM2_GPIO, "temp_alert"); gpio_direction_input(NCT1008_THERM2_GPIO); } +static long ventana_shutdown_temp = 115000; +static long ventana_throttle_temp = 90000; +static long ventana_throttle_hysteresis = 3000; +static struct nct1008_data *nct_data; + +static void ventana_thermal_alert(void *vdata) +{ + struct nct1008_data *data = vdata; + long temp; + long lo_limit, hi_limit; + bool is_above_throttle; + + nct1008_thermal_get_temp(data, &temp); + is_above_throttle = (temp >= ventana_throttle_temp); + + if (is_above_throttle != tegra_is_throttling()) + tegra_throttling_enable(is_above_throttle); + + if (is_above_throttle) { + lo_limit = ventana_throttle_temp - ventana_throttle_hysteresis; + hi_limit = ventana_shutdown_temp; + } else { + lo_limit = 0; + hi_limit = ventana_throttle_temp; + } + + nct1008_thermal_set_limits(data, lo_limit, hi_limit); +} + +static void nct1008_probe_callback(struct nct1008_data *data) +{ + nct_data = data; + nct1008_thermal_set_shutdown_temp(data, ventana_shutdown_temp); + nct1008_thermal_set_alert(data, ventana_thermal_alert, data); + nct1008_thermal_set_limits(data, 0, ventana_throttle_temp); +} + +#ifdef CONFIG_DEBUG_FS +static int ventana_thermal_get_throttle_temp(void *data, u64 *val) +{ + *val = (u64)ventana_throttle_temp; + return 0; +} + +static int ventana_thermal_set_throttle_temp(void *data, u64 val) +{ + ventana_throttle_temp = val; + if (nct_data) + ventana_thermal_alert(nct_data); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(throttle_fops, + ventana_thermal_get_throttle_temp, + ventana_thermal_set_throttle_temp, + "%llu\n"); + +static int ventana_thermal_get_shutdown_temp(void *data, u64 *val) +{ + *val = (u64)ventana_shutdown_temp; + return 0; +} + +static int ventana_thermal_set_shutdown_temp(void *data, u64 val) +{ + ventana_shutdown_temp = val; + if (nct_data) + nct1008_thermal_set_shutdown_temp(nct_data, + ventana_shutdown_temp); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(shutdown_fops, + ventana_thermal_get_shutdown_temp, + ventana_thermal_set_shutdown_temp, + "%llu\n"); + + +static int __init ventana_thermal_debug_init(void) +{ + struct dentry *thermal_debugfs_root; + + thermal_debugfs_root = debugfs_create_dir("thermal", 0); + + if (!debugfs_create_file("throttle", 0644, thermal_debugfs_root, + NULL, &throttle_fops)) + return -ENOMEM; + + if (!debugfs_create_file("shutdown", 0644, thermal_debugfs_root, + NULL, &shutdown_fops)) + return -ENOMEM; + + return 0; +} + +late_initcall(ventana_thermal_debug_init); + +#endif + + static struct nct1008_platform_data ventana_nct1008_pdata = { .supported_hwrev = true, .ext_range = false, .conv_rate = 0x08, .offset = 0, - .hysteresis = 0, - .shutdown_ext_limit = 115, - .shutdown_local_limit = 120, - .throttling_ext_limit = 90, - .alarm_fn = tegra_throttling_enable, + .probe_callback = nct1008_probe_callback, }; static const struct i2c_board_info ventana_i2c0_board_info[] = { @@ -379,7 +474,6 @@ static void mpuirq_init(void) #if (MPU_GYRO_TYPE == MPU_TYPE_MPU3050) #if MPU_ACCEL_IRQ_GPIO /* ACCEL-IRQ assignment */ - tegra_gpio_enable(MPU_ACCEL_IRQ_GPIO); ret = gpio_request(MPU_ACCEL_IRQ_GPIO, MPU_ACCEL_NAME); if (ret < 0) { pr_err("%s: gpio_request failed %d\n", __func__, ret); @@ -396,7 +490,6 @@ static void mpuirq_init(void) #endif /* MPU-IRQ assignment */ - tegra_gpio_enable(MPU_GYRO_IRQ_GPIO); ret = gpio_request(MPU_GYRO_IRQ_GPIO, MPU_GYRO_NAME); if (ret < 0) { pr_err("%s: gpio_request failed %d\n", __func__, ret); @@ -465,37 +558,35 @@ int __init ventana_sensors_init(void) struct tegra_camera_gpios { const char *name; int gpio; - bool tegra_internal_gpio; int enabled; }; -#define TEGRA_CAMERA_GPIO(_name, _gpio, _tegra_internal_gpio, _enabled) \ +#define TEGRA_CAMERA_GPIO(_name, _gpio, _enabled) \ { \ .name = _name, \ .gpio = _gpio, \ - .tegra_internal_gpio = _tegra_internal_gpio, \ .enabled = _enabled, \ } static struct tegra_camera_gpios ventana_camera_gpio_keys[] = { - [0] = TEGRA_CAMERA_GPIO("camera_power_en", CAMERA_POWER_GPIO, true, 1), - [1] = TEGRA_CAMERA_GPIO("camera_csi_sel", CAMERA_CSI_MUX_SEL_GPIO, true, 0), - [2] = TEGRA_CAMERA_GPIO("torch_gpio_act", CAMERA_FLASH_ACT_GPIO, true, 0), + [0] = TEGRA_CAMERA_GPIO("camera_power_en", CAMERA_POWER_GPIO, 1), + [1] = TEGRA_CAMERA_GPIO("camera_csi_sel", CAMERA_CSI_MUX_SEL_GPIO, 0), + [2] = TEGRA_CAMERA_GPIO("torch_gpio_act", CAMERA_FLASH_ACT_GPIO, 0), - [3] = TEGRA_CAMERA_GPIO("en_avdd_csi", AVDD_DSI_CSI_ENB_GPIO, false, 1), - [4] = TEGRA_CAMERA_GPIO("cam_i2c_mux_rst_lo", CAM_I2C_MUX_RST_GPIO, false, 1), + [3] = TEGRA_CAMERA_GPIO("en_avdd_csi", AVDD_DSI_CSI_ENB_GPIO, 1), + [4] = TEGRA_CAMERA_GPIO("cam_i2c_mux_rst_lo", CAM_I2C_MUX_RST_GPIO, 1), - [5] = TEGRA_CAMERA_GPIO("cam2_af_pwdn_lo", CAM2_AF_PWR_DN_L_GPIO, false, 0), - [6] = TEGRA_CAMERA_GPIO("cam2_pwdn", CAM2_PWR_DN_GPIO, false, 0), - [7] = TEGRA_CAMERA_GPIO("cam2_rst_lo", CAM2_RST_L_GPIO, false, 1), + [5] = TEGRA_CAMERA_GPIO("cam2_af_pwdn_lo", CAM2_AF_PWR_DN_L_GPIO, 0), + [6] = TEGRA_CAMERA_GPIO("cam2_pwdn", CAM2_PWR_DN_GPIO, 0), + [7] = TEGRA_CAMERA_GPIO("cam2_rst_lo", CAM2_RST_L_GPIO, 1), - [8] = TEGRA_CAMERA_GPIO("cam3_af_pwdn_lo", CAM3_AF_PWR_DN_L_GPIO, false, 0), - [9] = TEGRA_CAMERA_GPIO("cam3_pwdn", CAM3_PWR_DN_GPIO, false, 0), - [10] = TEGRA_CAMERA_GPIO("cam3_rst_lo", CAM3_RST_L_GPIO, false, 1), + [8] = TEGRA_CAMERA_GPIO("cam3_af_pwdn_lo", CAM3_AF_PWR_DN_L_GPIO, 0), + [9] = TEGRA_CAMERA_GPIO("cam3_pwdn", CAM3_PWR_DN_GPIO, 0), + [10] = TEGRA_CAMERA_GPIO("cam3_rst_lo", CAM3_RST_L_GPIO, 1), - [11] = TEGRA_CAMERA_GPIO("cam1_af_pwdn_lo", CAM1_AF_PWR_DN_L_GPIO, false, 0), - [12] = TEGRA_CAMERA_GPIO("cam1_pwdn", CAM1_PWR_DN_GPIO, false, 0), - [13] = TEGRA_CAMERA_GPIO("cam1_rst_lo", CAM1_RST_L_GPIO, false, 1), + [11] = TEGRA_CAMERA_GPIO("cam1_af_pwdn_lo", CAM1_AF_PWR_DN_L_GPIO, 0), + [12] = TEGRA_CAMERA_GPIO("cam1_pwdn", CAM1_PWR_DN_GPIO, 0), + [13] = TEGRA_CAMERA_GPIO("cam1_rst_lo", CAM1_RST_L_GPIO, 1), }; int __init ventana_camera_late_init(void) @@ -522,10 +613,6 @@ int __init ventana_camera_late_init(void) i2c_new_device(i2c_get_adapter(3), ventana_i2c3_board_info_tca6416); for (i = 0; i < ARRAY_SIZE(ventana_camera_gpio_keys); i++) { - - if (ventana_camera_gpio_keys[i].tegra_internal_gpio) - tegra_gpio_enable(ventana_camera_gpio_keys[i].gpio); - ret = gpio_request(ventana_camera_gpio_keys[i].gpio, ventana_camera_gpio_keys[i].name); if (ret < 0) { |