diff options
Diffstat (limited to 'board/marasov/sensors.c')
-rw-r--r-- | board/marasov/sensors.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/board/marasov/sensors.c b/board/marasov/sensors.c new file mode 100644 index 0000000000..2a25141639 --- /dev/null +++ b/board/marasov/sensors.c @@ -0,0 +1,187 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "common.h" +#include "adc.h" +#include "gpio.h" +#include "hooks.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); + +/* 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); |