diff options
Diffstat (limited to 'board/vell/sensors.c')
| -rw-r--r-- | board/vell/sensors.c | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/board/vell/sensors.c b/board/vell/sensors.c new file mode 100644 index 0000000000..0a4b0198bd --- /dev/null +++ b/board/vell/sensors.c @@ -0,0 +1,418 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "common.h" +#include "accelgyro.h" +#include "adc.h" +#include "driver/accel_lis2dw12.h" +#include "driver/accelgyro_lsm6dso.h" +#include "driver/als_tcs3400_public.h" +#include "hooks.h" +#include "motion_sense.h" +#include "temp_sensor.h" +#include "thermal.h" +#include "temp_sensor/thermistor.h" + +/* ADC configuration */ +struct adc_t adc_channels[] = { + [ADC_TEMP_SENSOR_1_DDR_SOC] = { + .name = "TEMP_DDR_SOC", + .input_ch = NPCX_ADC_CH0, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, + [ADC_TEMP_SENSOR_2_AMBIENT] = { + .name = "TEMP_AMBIENT", + .input_ch = NPCX_ADC_CH1, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, + [ADC_TEMP_SENSOR_3_CHARGER] = { + .name = "TEMP_CHARGER", + .input_ch = NPCX_ADC_CH6, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, + [ADC_TEMP_SENSOR_4_WWAN] = { + .name = "TEMP_WWAN", + .input_ch = NPCX_ADC_CH7, + .factor_mul = ADC_MAX_VOLT, + .factor_div = ADC_READ_MAX + 1, + .shift = 0, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +K_MUTEX_DEFINE(g_lid_accel_mutex); +K_MUTEX_DEFINE(g_base_accel_mutex); +static struct stprivate_data g_lis2dw12_data; +static struct lsm6dso_data lsm6dso_data; + +/* TODO(b/184779333): calibrate the orientation matrix on later board stage */ +static const mat33_fp_t lid_standard_ref = { + { 0, FLOAT_TO_FP(1), 0}, + { FLOAT_TO_FP(1), 0, 0}, + { 0, 0, FLOAT_TO_FP(-1)} +}; + +/* TODO(b/184779743): verify orientation matrix */ +static const mat33_fp_t base_standard_ref = { + { FLOAT_TO_FP(1), 0, 0}, + { 0, FLOAT_TO_FP(-1), 0}, + { 0, 0, FLOAT_TO_FP(-1)} +}; + +/* TCS3400 private data */ +static struct als_drv_data_t g_tcs3400_data = { + .als_cal.scale = 1, + .als_cal.uscale = 0, + .als_cal.offset = 0, + .als_cal.channel_scale = { + .k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kc from VPD */ + .cover_scale = ALS_CHANNEL_SCALE(1.0), /* CT */ + }, +}; + +/* + * TODO: b/184702900 need to calibrate ALS/RGB sensor. At default settings, + * shining phone flashlight on sensor pegs all readings at 0xFFFF. + */ +static struct tcs3400_rgb_drv_data_t g_tcs3400_rgb_data = { + .calibration.rgb_cal[X] = { + .offset = 0, + .coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(1.0), + .scale = { + .k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kr */ + .cover_scale = ALS_CHANNEL_SCALE(1.0) + } + }, + .calibration.rgb_cal[Y] = { + .offset = 0, + .coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(1.0), + .scale = { + .k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kg */ + .cover_scale = ALS_CHANNEL_SCALE(1.0) + }, + }, + .calibration.rgb_cal[Z] = { + .offset = 0, + .coeff[TCS_RED_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_GREEN_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_BLUE_COEFF_IDX] = FLOAT_TO_FP(0), + .coeff[TCS_CLEAR_COEFF_IDX] = FLOAT_TO_FP(1.0), + .scale = { + .k_channel_scale = ALS_CHANNEL_SCALE(1.0), /* kb */ + .cover_scale = ALS_CHANNEL_SCALE(1.0) + } + }, + .calibration.irt = INT_TO_FP(1), + .saturation.again = TCS_DEFAULT_AGAIN, + .saturation.atime = TCS_DEFAULT_ATIME, +}; + +struct motion_sensor_t motion_sensors[] = { + [LID_ACCEL] = { + .name = "Lid Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_LIS2DW12, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_LID, + .drv = &lis2dw12_drv, + .mutex = &g_lid_accel_mutex, + .drv_data = &g_lis2dw12_data, + .int_signal = GPIO_EC_ACCEL_INT_R_L, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = LIS2DW12_ADDR0, + .flags = MOTIONSENSE_FLAG_INT_SIGNAL, + .rot_standard_ref = &lid_standard_ref, /* identity matrix */ + .default_range = 2, /* g */ + .min_frequency = LIS2DW12_ODR_MIN_VAL, + .max_frequency = LIS2DW12_ODR_MAX_VAL, + .config = { + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + /* Sensor on for lid angle detection */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + }, + }, + + [BASE_ACCEL] = { + .name = "Base Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_LSM6DSO, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_BASE, + .drv = &lsm6dso_drv, + .mutex = &g_base_accel_mutex, + .drv_data = LSM6DSO_ST_DATA(lsm6dso_data, + MOTIONSENSE_TYPE_ACCEL), + .int_signal = GPIO_EC_IMU_INT_R_L, + .flags = MOTIONSENSE_FLAG_INT_SIGNAL, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = LSM6DSO_ADDR0_FLAGS, + .rot_standard_ref = &base_standard_ref, + .default_range = 4, /* g */ + .min_frequency = LSM6DSO_ODR_MIN_VAL, + .max_frequency = LSM6DSO_ODR_MAX_VAL, + .config = { + [SENSOR_CONFIG_EC_S0] = { + .odr = 13000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100 * MSEC, + }, + }, + }, + + [BASE_GYRO] = { + .name = "Base Gyro", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_LSM6DSO, + .type = MOTIONSENSE_TYPE_GYRO, + .location = MOTIONSENSE_LOC_BASE, + .drv = &lsm6dso_drv, + .mutex = &g_base_accel_mutex, + .drv_data = LSM6DSO_ST_DATA(lsm6dso_data, + MOTIONSENSE_TYPE_GYRO), + .int_signal = GPIO_EC_IMU_INT_R_L, + .flags = MOTIONSENSE_FLAG_INT_SIGNAL, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = LSM6DSO_ADDR0_FLAGS, + .default_range = 1000 | ROUND_UP_FLAG, /* dps */ + .rot_standard_ref = &base_standard_ref, + .min_frequency = LSM6DSO_ODR_MIN_VAL, + .max_frequency = LSM6DSO_ODR_MAX_VAL, + }, + + [CLEAR_ALS] = { + .name = "Clear Light", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_TCS3400, + .type = MOTIONSENSE_TYPE_LIGHT, + .location = MOTIONSENSE_LOC_CAMERA, + .drv = &tcs3400_drv, + .drv_data = &g_tcs3400_data, + .port = I2C_PORT_SENSOR, + .i2c_spi_addr_flags = TCS3400_I2C_ADDR_FLAGS, + .rot_standard_ref = NULL, + .default_range = 0x10000, /* scale = 1x, uscale = 0 */ + .min_frequency = TCS3400_LIGHT_MIN_FREQ, + .max_frequency = TCS3400_LIGHT_MAX_FREQ, + .config = { + /* Run ALS sensor in S0 */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 1000, + }, + }, + }, + + [RGB_ALS] = { + /* + * RGB channels read by CLEAR_ALS and so the i2c port and + * address do not need to be defined for RGB_ALS. + */ + .name = "RGB Light", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_TCS3400, + .type = MOTIONSENSE_TYPE_LIGHT_RGB, + .location = MOTIONSENSE_LOC_CAMERA, + .drv = &tcs3400_rgb_drv, + .drv_data = &g_tcs3400_rgb_data, + .rot_standard_ref = NULL, + .default_range = 0x10000, /* scale = 1x, uscale = 0 */ + }, +}; +const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); + +/* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */ +const struct motion_sensor_t *motion_als_sensors[] = { + &motion_sensors[CLEAR_ALS], +}; +BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT); + +static void baseboard_sensors_init(void) +{ + /* Enable gpio interrupt for lid accel sensor */ + gpio_enable_interrupt(GPIO_EC_ACCEL_INT_R_L); + /* Enable interrupt for the TCS3400 color light sensor */ + gpio_enable_interrupt(GPIO_EC_ALS_RGB_INT_R_L); + /* Enable gpio interrupt for base accelgyro sensor */ + gpio_enable_interrupt(GPIO_EC_IMU_INT_R_L); +} +DECLARE_HOOK(HOOK_INIT, baseboard_sensors_init, HOOK_PRIO_INIT_I2C + 1); + +/* Temperature sensor configuration */ +const struct temp_sensor_t temp_sensors[] = { + [TEMP_SENSOR_1_DDR_SOC] = { + .name = "DDR and SOC", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_30k9_47k_4050b, + .idx = ADC_TEMP_SENSOR_1_DDR_SOC, + }, + [TEMP_SENSOR_2_AMBIENT] = { + .name = "Ambient", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_30k9_47k_4050b, + .idx = ADC_TEMP_SENSOR_2_AMBIENT, + }, + [TEMP_SENSOR_3_CHARGER] = { + .name = "Charger", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_30k9_47k_4050b, + .idx = ADC_TEMP_SENSOR_3_CHARGER, + }, + [TEMP_SENSOR_4_WWAN] = { + .name = "WWAN", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_30k9_47k_4050b, + .idx = ADC_TEMP_SENSOR_4_WWAN, + }, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +/* + * TODO(b/180681346): update for Alder Lake/brya + * + * Alder Lake specifies 100 C as maximum TDP temperature. THRMTRIP# occurs at + * 130 C. However, sensor is located next to DDR, so we need to use the lower + * DDR temperature limit (85 C) + */ +/* + * TODO(b/202062363): Remove when clang is fixed. + */ +#define THERMAL_CPU \ + { \ + .temp_host = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(85), \ + [EC_TEMP_THRESH_HALT] = C_TO_K(90), \ + }, \ + .temp_host_release = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(80), \ + }, \ + .temp_fan_off = C_TO_K(35), \ + .temp_fan_max = C_TO_K(60), \ + } +__maybe_unused static const struct ec_thermal_config thermal_cpu = THERMAL_CPU; + +/* + * TODO(b/180681346): update for Alder Lake/brya + * + * Inductor limits - used for both charger and PP3300 regulator + * + * Need to use the lower of the charger IC, PP3300 regulator, and the inductors + * + * Charger max recommended temperature 100C, max absolute temperature 125C + * PP3300 regulator: operating range -40 C to 145 C + * + * Inductors: limit of 125c + * PCB: limit is 80c + */ +/* + * TODO(b/202062363): Remove when clang is fixed. + */ +#define THERMAL_AMBIENT \ + { \ + .temp_host = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(85), \ + [EC_TEMP_THRESH_HALT] = C_TO_K(90), \ + }, \ + .temp_host_release = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(80), \ + }, \ + .temp_fan_off = C_TO_K(35), \ + .temp_fan_max = C_TO_K(60), \ + } +__maybe_unused static const struct ec_thermal_config thermal_ambient = + THERMAL_AMBIENT; + +/* + * Inductor limits - used for both charger and PP3300 regulator + * + * Need to use the lower of the charger IC, PP3300 regulator, and the inductors + * + * Charger max recommended temperature 125C, max absolute temperature 150C + * PP3300 regulator: operating range -40 C to 125 C + * + * Inductors: limit of 125c + * PCB: limit is 80c + */ +/* + * TODO(b/202062363): Remove when clang is fixed. + */ +#define THERMAL_CHARGER \ + { \ + .temp_host = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(105), \ + [EC_TEMP_THRESH_HALT] = C_TO_K(120), \ + }, \ + .temp_host_release = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(90), \ + }, \ + .temp_fan_off = C_TO_K(35), \ + .temp_fan_max = C_TO_K(65), \ + } +__maybe_unused static const struct ec_thermal_config thermal_charger = + THERMAL_CHARGER; + +/* + * TODO(b/180681346): update for brya WWAN module + */ +/* + * TODO(b/202062363): Remove when clang is fixed. + */ +#define THERMAL_WWAN \ + { \ + .temp_host = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(130), \ + [EC_TEMP_THRESH_HALT] = C_TO_K(130), \ + }, \ + .temp_host_release = { \ + [EC_TEMP_THRESH_HIGH] = C_TO_K(100), \ + }, \ + .temp_fan_off = C_TO_K(35), \ + .temp_fan_max = C_TO_K(60), \ + } +__maybe_unused static const struct ec_thermal_config thermal_wwan = + THERMAL_WWAN; + +struct ec_thermal_config thermal_params[] = { + [TEMP_SENSOR_1_DDR_SOC] = THERMAL_CPU, + [TEMP_SENSOR_2_AMBIENT] = THERMAL_AMBIENT, + [TEMP_SENSOR_3_CHARGER] = THERMAL_CHARGER, + [TEMP_SENSOR_4_WWAN] = THERMAL_WWAN, +}; +BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); + +static void board_thermals_init(void) +{ + if (get_board_id() == 1) { + /* + * Board ID 1 only has 3 sensors and the AMBIENT sensor + * ADC pins have been reassigned, so we're down to 2 + * sensors that can easily be configured. So, alias the + * AMBIENT sensor ADC channel to the unimplemented ADC + * slots. + */ + adc_channels[ADC_TEMP_SENSOR_3_CHARGER].input_ch = NPCX_ADC_CH1; + adc_channels[ADC_TEMP_SENSOR_4_WWAN].input_ch = NPCX_ADC_CH1; + } +} + +DECLARE_HOOK(HOOK_INIT, board_thermals_init, HOOK_PRIO_INIT_CHIPSET); |