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authorMichael5 Chen1 <michael5_chen1@pegatron.corp-partner.google.com>2021-08-12 15:43:38 +0800
committerCommit Bot <commit-bot@chromium.org>2021-08-24 04:54:30 +0000
commitc97daf56d5d5d57594bf61a7a316b6e26c143179 (patch)
treec82e108487da47bf818d2a855b960009646f399f
parent723a85ef14d8c41c329e34ddc79312cb5654ae0f (diff)
downloadchrome-ec-c97daf56d5d5d57594bf61a7a316b6e26c143179.tar.gz
helios: gyro sensor add 2nd source icm40608
gyro sensor add 2nd source icm-40608 BUG=b:196286603 BRANCH=hatch TEST=make BAORD=helios Using command "watch ectool motionsense lid_angle". Signed-off-by: Michael5 Chen1 <michael5_chen1@pegatron.corp-partner.google.com> Change-Id: I06c1ea21b353959f07dd16a3732d23c638d031bc Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3089086 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com> Commit-Queue: Tim Wawrzynczak <twawrzynczak@chromium.org>
-rw-r--r--board/helios/board.c94
-rw-r--r--board/helios/board.h5
-rw-r--r--board/helios/gpio.inc2
3 files changed, 100 insertions, 1 deletions
diff --git a/board/helios/board.c b/board/helios/board.c
index 16107d8884..11f2edb466 100644
--- a/board/helios/board.c
+++ b/board/helios/board.c
@@ -12,6 +12,8 @@
#include "cros_board_info.h"
#include "driver/accel_bma2x2.h"
#include "driver/accelgyro_bmi_common.h"
+#include "driver/accelgyro_icm_common.h"
+#include "driver/accelgyro_icm426xx.h"
#include "driver/als_opt3001.h"
#include "driver/bc12/pi3usb9201.h"
#include "driver/ppc/sn5s330.h"
@@ -200,10 +202,19 @@ static struct mutex g_lid_mutex;
/* Base accel private data */
static struct bmi_drv_data_t g_bmi160_data;
+static struct icm_drv_data_t g_icm426xx_data;
/* BMA255 private data */
static struct accelgyro_saved_data_t g_bma255_data;
+enum base_accelgyro_type {
+ BASE_GYRO_NONE = 0,
+ BASE_GYRO_BMI160 = 1,
+ BASE_GYRO_ICM426XX = 2,
+};
+
+static enum base_accelgyro_type base_accelgyro_config;
+
/* Matrix to rotate accelrator into standard reference frame */
static const mat33_fp_t base_standard_ref = {
{ 0, FLOAT_TO_FP(1), 0},
@@ -217,6 +228,57 @@ static const mat33_fp_t lid_standard_ref = {
{ 0, 0, FLOAT_TO_FP(-1)}
};
+static const mat33_fp_t base_standard_ref_icm = {
+ { FLOAT_TO_FP(-1), 0, 0},
+ { 0, FLOAT_TO_FP(1), 0},
+ { 0, 0, FLOAT_TO_FP(-1)},
+};
+
+struct motion_sensor_t icm426xx_base_accel = {
+ .name = "Base Accel",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_ICM426XX,
+ .type = MOTIONSENSE_TYPE_ACCEL,
+ .location = MOTIONSENSE_LOC_BASE,
+ .drv = &icm426xx_drv,
+ .mutex = &g_base_mutex,
+ .drv_data = &g_icm426xx_data,
+ .port = I2C_PORT_ACCEL,
+ .i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS,
+ .rot_standard_ref = &base_standard_ref_icm,
+ .min_frequency = ICM426XX_ACCEL_MIN_FREQ,
+ .max_frequency = ICM426XX_ACCEL_MAX_FREQ,
+ .default_range = 4, /* g, to meet CDD 7.3.1/C-1-4 reqs. */
+ .config = {
+ [SENSOR_CONFIG_EC_S0] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ .ec_rate = 100 * MSEC,
+ },
+ /* Sensor on in S3 */
+ [SENSOR_CONFIG_EC_S3] = {
+ .odr = 10000 | ROUND_UP_FLAG,
+ .ec_rate = 100 * MSEC,
+ },
+ },
+};
+
+struct motion_sensor_t icm426xx_base_gyro = {
+ .name = "Base Gyro",
+ .active_mask = SENSOR_ACTIVE_S0_S3,
+ .chip = MOTIONSENSE_CHIP_ICM426XX,
+ .type = MOTIONSENSE_TYPE_GYRO,
+ .location = MOTIONSENSE_LOC_BASE,
+ .drv = &icm426xx_drv,
+ .mutex = &g_base_mutex,
+ .drv_data = &g_icm426xx_data,
+ .port = I2C_PORT_ACCEL,
+ .i2c_spi_addr_flags = ICM426XX_ADDR0_FLAGS,
+ .default_range = 1000, /* dps */
+ .rot_standard_ref = &base_standard_ref_icm,
+ .min_frequency = ICM426XX_GYRO_MIN_FREQ,
+ .max_frequency = ICM426XX_GYRO_MAX_FREQ,
+};
+
struct motion_sensor_t motion_sensors[] = {
[LID_ACCEL] = {
.name = "Lid Accel",
@@ -290,6 +352,38 @@ struct motion_sensor_t motion_sensors[] = {
};
unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
+void motion_interrupt(enum gpio_signal signal)
+{
+ if (base_accelgyro_config == BASE_GYRO_ICM426XX)
+ icm426xx_interrupt(signal);
+ else
+ bmi160_interrupt(signal);
+}
+
+static void board_detect_motionsense(void)
+{
+ int val;
+
+ if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
+ return;
+ if (base_accelgyro_config != BASE_GYRO_NONE)
+ return;
+
+ icm_read8(&icm426xx_base_accel, ICM426XX_REG_WHO_AM_I, &val);
+ if (val == ICM426XX_CHIP_ICM40608) {
+ motion_sensors[BASE_ACCEL] = icm426xx_base_accel;
+ motion_sensors[BASE_GYRO] = icm426xx_base_gyro;
+ base_accelgyro_config = BASE_GYRO_ICM426XX;
+ ccprints("Base Accelgyro: ICM40608");
+ } else {
+ base_accelgyro_config = BASE_GYRO_BMI160;
+ ccprints("Base Accelgyro: BMI160");
+ }
+}
+DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_detect_motionsense,
+ HOOK_PRIO_DEFAULT);
+DECLARE_HOOK(HOOK_INIT, board_detect_motionsense, HOOK_PRIO_INIT_I2C + 1);
+
/******************************************************************************/
/* Physical fans. These are logically separate from pwm_channels. */
diff --git a/board/helios/board.h b/board/helios/board.h
index 307405ef8b..1534b69c48 100644
--- a/board/helios/board.h
+++ b/board/helios/board.h
@@ -30,6 +30,9 @@
#define CONFIG_ACCELGYRO_BMI160
#define CONFIG_ACCELGYRO_BMI160_INT_EVENT \
TASK_EVENT_MOTION_SENSOR_INTERRUPT(BASE_ACCEL)
+#define CONFIG_ACCELGYRO_ICM426XX
+#define CONFIG_ACCELGYRO_ICM426XX_INT_EVENT \
+ TASK_EVENT_MOTION_SENSOR_INTERRUPT(BASE_ACCEL)
#define CONFIG_ACCELGYRO_BMI160_INT2_OUTPUT
/* BMA253 Lid accel */
#define CONFIG_ACCEL_BMA255
@@ -148,6 +151,8 @@ enum battery_type {
BATTERY_TYPE_COUNT,
};
+void motion_interrupt(enum gpio_signal signal);
+
#endif /* !__ASSEMBLER__ */
#endif /* __CROS_EC_BOARD_H */
diff --git a/board/helios/gpio.inc b/board/helios/gpio.inc
index ab8d9f4388..d16e1643be 100644
--- a/board/helios/gpio.inc
+++ b/board/helios/gpio.inc
@@ -28,7 +28,7 @@ GPIO_INT(PG_EC_ALL_SYS_PWRGD, PIN(F, 4), GPIO_INT_BOTH, power_signal_interrupt)
GPIO_INT(PP5000_A_PG_OD, PIN(D, 7), GPIO_INT_BOTH, power_signal_interrupt)
/* Sensor Interrupts */
-GPIO_INT(BASE_SIXAXIS_INT_L, PIN(5, 6), GPIO_INT_FALLING, bmi160_interrupt)
+GPIO_INT(BASE_SIXAXIS_INT_L, PIN(5, 6), GPIO_INT_FALLING, motion_interrupt)
/* USB-C interrupts */
GPIO_INT(USB_C0_PPC_INT_ODL, PIN(E, 0), GPIO_INT_FALLING, ppc_interrupt)