summaryrefslogtreecommitdiff
path: root/board/taniks/sensors.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/taniks/sensors.c')
-rw-r--r--board/taniks/sensors.c436
1 files changed, 436 insertions, 0 deletions
diff --git a/board/taniks/sensors.c b/board/taniks/sensors.c
new file mode 100644
index 0000000000..ca8afa7f8d
--- /dev/null
+++ b/board/taniks/sensors.c
@@ -0,0 +1,436 @@
+/* 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_chip.h"
+#include "driver/accel_bma422.h"
+#include "driver/accel_bma4xx.h"
+#include "driver/accel_lis2dw12.h"
+#include "driver/accelgyro_lsm6dsm.h"
+#include "driver/accelgyro_lsm6dso.h"
+#include "fw_config.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "motion_sense.h"
+#include "temp_sensor.h"
+#include "thermal.h"
+#include "temp_sensor/thermistor.h"
+
+#if 0
+#define CPRINTS(format, args...) ccprints(format, ## args)
+#define CPRINTF(format, args...) ccprintf(format, ## args)
+#else
+#define CPRINTS(format, args...)
+#define CPRINTF(format, args...)
+#endif
+
+/* ADC configuration */
+const 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_FAN] = {
+ .name = "TEMP_FAN",
+ .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_CPUCHOKE] = {
+ .name = "CPU_CHOKE",
+ .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 accelgyro_saved_data_t g_bma422_data;
+static struct lsm6dso_data lsm6dso_data;
+static struct lsm6dsm_data lsm6dsm_data = LSM6DSM_DATA;
+
+/* Matrix to rotate lid and base sensor into standard reference frame */
+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)}
+};
+
+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)}
+};
+
+struct motion_sensor_t bma422_lid_accel = {
+ .name = "Lid Accel - BMA",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_BMA422,
+ .type = MOTIONSENSE_TYPE_ACCEL,
+ .location = MOTIONSENSE_LOC_LID,
+ .drv = &bma4_accel_drv,
+ .mutex = &g_lid_accel_mutex,
+ .drv_data = &g_bma422_data,
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = BMA4_I2C_ADDR_PRIMARY, /* 0x18 */
+ .rot_standard_ref = &lid_standard_ref, /* identity matrix */
+ .default_range = 2, /* g, enough for laptop. */
+ .min_frequency = BMA4_ACCEL_MIN_FREQ,
+ .max_frequency = BMA4_ACCEL_MAX_FREQ,
+ .config = {
+ /* EC use accel for angle detection */
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 12500 | ROUND_UP_FLAG,
+ .ec_rate = 100 * MSEC,
+ },
+ /* Sensor on in S3 */
+ [SENSOR_CONFIG_EC_S3] = {
+ .odr = 12500 | ROUND_UP_FLAG,
+ .ec_rate = 0,
+ },
+ },
+};
+
+struct motion_sensor_t lsm6dsm_base_accel = {
+ .name = "Base Accel",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_LSM6DSM,
+ .type = MOTIONSENSE_TYPE_ACCEL,
+ .location = MOTIONSENSE_LOC_BASE,
+ .drv = &lsm6dsm_drv,
+ .mutex = &g_base_accel_mutex,
+ .drv_data = LSM6DSM_ST_DATA(lsm6dsm_data,
+ MOTIONSENSE_TYPE_ACCEL),
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
+ .rot_standard_ref = &base_standard_ref,
+ .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs */
+ .min_frequency = LSM6DSM_ODR_MIN_VAL,
+ .max_frequency = LSM6DSM_ODR_MAX_VAL,
+ .config = {
+ /* EC use accel for angle detection */
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 13000 | ROUND_UP_FLAG,
+ .ec_rate = 100 * MSEC,
+ },
+ /* Sensor on for angle detection */
+ [SENSOR_CONFIG_EC_S3] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ .ec_rate = 100 * MSEC,
+ },
+ },
+};
+
+struct motion_sensor_t lsm6dsm_base_gyro = {
+ .name = "Base Gyro",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_LSM6DSM,
+ .type = MOTIONSENSE_TYPE_GYRO,
+ .location = MOTIONSENSE_LOC_BASE,
+ .drv = &lsm6dsm_drv,
+ .mutex = &g_base_accel_mutex,
+ .drv_data = LSM6DSM_ST_DATA(lsm6dsm_data, MOTIONSENSE_TYPE_GYRO),
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = LSM6DSM_ADDR0_FLAGS,
+ .default_range = 1000 | ROUND_UP_FLAG, /* dps */
+ .rot_standard_ref = &base_standard_ref,
+ .min_frequency = LSM6DSM_ODR_MIN_VAL,
+ .max_frequency = LSM6DSM_ODR_MAX_VAL,
+};
+
+struct motion_sensor_t motion_sensors[] = {
+ [LID_ACCEL] = {
+ .name = "Lid Accel - ST",
+ .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,
+ .port = I2C_PORT_SENSOR,
+ .i2c_spi_addr_flags = LIS2DW12_ADDR1, /* 0x19 */
+ .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 = 12500 | 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_data,
+ .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_data,
+ .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,
+ },
+
+};
+
+#ifdef CONFIG_DYNAMIC_MOTION_SENSOR_COUNT
+unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+#else
+const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+#endif
+
+
+static void board_detect_motionsensor(void)
+{
+ int ret;
+ int val;
+
+ if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
+ return;
+
+ /*
+ * b/194765820 - Dynamic motion sensor count
+ * All board supports tablet mode if board id > 0
+ */
+ if (get_board_id() == 0 && !ec_cfg_has_tabletmode())
+ return;
+
+ /* Check lid accel chip */
+ ret = i2c_read8(I2C_PORT_SENSOR, LIS2DW12_ADDR1,
+ LIS2DW12_WHO_AM_I_REG, &val);
+ if (ret == 0 && val == LIS2DW12_WHO_AM_I) {
+ CPRINTS("LID_ACCEL is IS2DW12");
+ /* Enable gpio interrupt for lid accel sensor */
+ gpio_enable_interrupt(GPIO_EC_ACCEL_INT_R_L);
+ return;
+ }
+
+ ret = i2c_read8(I2C_PORT_SENSOR, BMA4_I2C_ADDR_PRIMARY,
+ BMA4_CHIP_ID_ADDR, &val);
+ if (ret == 0 && val == BMA422_CHIP_ID) {
+ CPRINTS("LID_ACCEL is BMA422");
+ motion_sensors[LID_ACCEL] = bma422_lid_accel;
+ /*
+ * The driver for BMA422 doesn't have code to support
+ * INT1. So, it doesn't need to enable interrupt.
+ * Vendor recommend to configure EC gpio as high-z if
+ * we don't use INT1. Keep this pin as input w/o enable
+ * interrupt.
+ */
+ return;
+ }
+
+ /* Lid accel is not stuffed, don't allow line to float */
+ gpio_disable_interrupt(GPIO_EC_ACCEL_INT_R_L);
+ gpio_set_flags(GPIO_EC_ACCEL_INT_R_L, GPIO_INPUT | GPIO_PULL_DOWN);
+ CPRINTS("No LID_ACCEL are detected");
+}
+DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_detect_motionsensor,
+ HOOK_PRIO_DEFAULT);
+
+static void baseboard_sensors_init(void)
+{
+ CPRINTS("baseboard_sensors_init");
+ /* b/194765820
+ * Dynamic motion sensor count
+ * All board supports tablet mode if board id > 0
+ */
+ if (ec_cfg_has_tabletmode()) {
+ /*
+ * GPIO_EC_ACCEL_INT_R_L
+ * The interrupt of lid accel is disabled by default.
+ * We'll enable it later if lid accel is LIS2DW12.
+ */
+
+ /* Change Request (b/199529373)
+ * GYRO sensor change from ST LSM6DSOETR3TR to ST LSM6DS3TR-C
+ * LSM6DSOETR3TR base accel/gyro if board id = 0
+ * LSM6DS3TR-C Base accel/gyro if board id > 0
+ */
+ if (get_board_id() > 0) {
+ motion_sensors[BASE_ACCEL] = lsm6dsm_base_accel;
+ motion_sensors[BASE_GYRO] = lsm6dsm_base_gyro;
+ }
+
+ /* Enable gpio interrupt for base accelgyro sensor */
+ gpio_enable_interrupt(GPIO_EC_IMU_INT_R_L);
+ } else {
+ CPRINTS("Clamshell");
+ motion_sensor_count = 0;
+ /* Gyro is not present, don't allow line to float */
+ gpio_set_flags(GPIO_EC_IMU_INT_R_L, GPIO_INPUT |
+ GPIO_PULL_DOWN);
+ }
+}
+DECLARE_HOOK(HOOK_INIT, baseboard_sensors_init, HOOK_PRIO_INIT_I2C + 1);
+
+void motion_interrupt(enum gpio_signal signal)
+{
+ if (motion_sensors[LID_ACCEL].chip == MOTIONSENSE_CHIP_LIS2DW12) {
+ lis2dw12_interrupt(signal);
+ CPRINTS("IS2DW12 interrupt");
+ return;
+ }
+
+ /*
+ * From other project, ex. guybrush, it seem BMA422 doesn't have
+ * interrupt handler when EC_ACCEL_INT_R_L is asserted.
+ * However, I don't see BMA422 assert EC_ACCEL_INT_R_L when it has
+ * power. That could be the reason EC code doesn't register any
+ * interrupt handler.
+ */
+ CPRINTS("BMA422 interrupt");
+
+}
+
+/* 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_FAN] = {
+ .name = "FAN",
+ .type = TEMP_SENSOR_TYPE_BOARD,
+ .read = get_temp_3v3_30k9_47k_4050b,
+ .idx = ADC_TEMP_SENSOR_2_FAN
+ },
+ [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_CPUCHOKE] = {
+ .name = "CPU CHOKE",
+ .type = TEMP_SENSOR_TYPE_BOARD,
+ .read = get_temp_3v3_30k9_47k_4050b,
+ .idx = ADC_TEMP_SENSOR_4_CPUCHOKE
+ },
+};
+
+
+BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
+
+/*
+ * TODO(b/201021109): update for Alder Lake/brya
+ *
+ * Tiger 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 (100 C)
+ */
+/*
+ * TODO(b/202062363): Remove when clang is fixed.
+ */
+#define THERMAL_CPU \
+ { \
+ .temp_host = { \
+ [EC_TEMP_THRESH_HIGH] = C_TO_K(90), \
+ [EC_TEMP_THRESH_HALT] = C_TO_K(100), \
+ }, \
+ .temp_host_release = { \
+ [EC_TEMP_THRESH_HIGH] = C_TO_K(85), \
+ }, \
+ .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/201021109): 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 100c
+ */
+/*
+ * TODO(b/202062363): Remove when clang is fixed.
+ */
+#define THERMAL_FAN \
+ { \
+ .temp_host = { \
+ [EC_TEMP_THRESH_HIGH] = C_TO_K(90), \
+ [EC_TEMP_THRESH_HALT] = C_TO_K(100), \
+ }, \
+ .temp_host_release = { \
+ [EC_TEMP_THRESH_HIGH] = C_TO_K(85), \
+ }, \
+ .temp_fan_off = C_TO_K(35), \
+ .temp_fan_max = C_TO_K(60), \
+ }
+__maybe_unused static const struct ec_thermal_config thermal_fan = THERMAL_FAN;
+
+/* this should really be "const" */
+struct ec_thermal_config thermal_params[] = {
+ [TEMP_SENSOR_1_DDR_SOC] = THERMAL_CPU,
+ [TEMP_SENSOR_2_FAN] = THERMAL_FAN,
+ [TEMP_SENSOR_3_CHARGER] = THERMAL_FAN,
+ [TEMP_SENSOR_4_CPUCHOKE] = THERMAL_FAN,
+};
+
+BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT);
View Lorry Controller Status