diff options
author | Philip Chen <philipchen@google.com> | 2019-06-20 15:33:53 -0700 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2019-06-25 08:21:27 +0000 |
commit | 08429fb35a85944eb7314926a7cba3254b3de86a (patch) | |
tree | bcb5eacb54da415add3b610fa341d03a1b488637 /board/kohaku/board.c | |
parent | 71c5056bd1f27b52f99c1ed4cff01bdc8cee032e (diff) | |
download | chrome-ec-08429fb35a85944eb7314926a7cba3254b3de86a.tar.gz |
kohaku: Add support for TCS3400 as clear ALS and RGB sesnor
BUG=b:134207072, b:135216932
BRANCH=none
TEST=build kohaku
Change-Id: I7b3d01d5dfb193262055b6aff2d101844159aa94
Signed-off-by: Philip Chen <philipchen@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1670165
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Commit-Queue: Philip Chen <philipchen@chromium.org>
Tested-by: Philip Chen <philipchen@chromium.org>
Diffstat (limited to 'board/kohaku/board.c')
-rw-r--r-- | board/kohaku/board.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/board/kohaku/board.c b/board/kohaku/board.c index 543c656a52..5635cbf3f8 100644 --- a/board/kohaku/board.c +++ b/board/kohaku/board.c @@ -13,6 +13,7 @@ #include "driver/accel_bma2x2.h" #include "driver/accelgyro_bmi160.h" #include "driver/als_bh1730.h" +#include "driver/als_tcs3400.h" #include "driver/ppc/sn5s330.h" #include "driver/bc12/max14637.h" #include "driver/sync.h" @@ -170,6 +171,30 @@ static struct accelgyro_saved_data_t g_bma255_data; /* BH1730 private data */ struct bh1730_drv_data_t g_bh1730_data; +/* TCS3400 private data */ +static struct als_drv_data_t g_tcs3400_data = { + .als_cal.scale = 1, + .als_cal.uscale = 0, + .als_cal.offset = 0, +}; + +static struct tcs3400_rgb_drv_data_t g_tcs3400_rgb_data = { + .device_scale = 1, + .device_uscale = 0, + .rgb_cal[X] = { + .scale = ALS_CHANNEL_SCALE(1), + .offset = 0, + }, + .rgb_cal[Y] = { + .scale = ALS_CHANNEL_SCALE(1), + .offset = 0, + }, + .rgb_cal[Z] = { + .scale = ALS_CHANNEL_SCALE(1), + .offset = 0, + }, +}; + /* Matrix to rotate accelrator into standard reference frame */ static const mat33_fp_t base_standard_ref = { { 0, FLOAT_TO_FP(1), 0}, @@ -292,12 +317,51 @@ struct motion_sensor_t motion_sensors[] = { .min_frequency = 0, .max_frequency = 1, }, + + [CLEAR_ALS] = { + .name = "Clear Light", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_TCS3400, + .type = MOTIONSENSE_TYPE_LIGHT, + .location = MOTIONSENSE_LOC_LID, + .drv = &tcs3400_drv, + .drv_data = &g_tcs3400_data, + .port = I2C_PORT_ALS, + .addr = TCS3400_I2C_ADDR, + .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_LID, + .drv = &tcs3400_rgb_drv, + .drv_data = &g_tcs3400_rgb_data, + .rot_standard_ref = NULL, + .default_range = 0x10000, /* scale = 1x, uscale = 0 */ + }, }; 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[LID_ALS], + &motion_sensors[CLEAR_ALS], }; BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT); @@ -335,6 +399,8 @@ static void board_init(void) gpio_enable_interrupt(GPIO_BASE_SIXAXIS_INT_L); /* Enable gpio interrupt for camera vsync */ gpio_enable_interrupt(GPIO_WFCAM_VSYNC); + /* Enable interrupt for the TCS3400 color light sensor */ + gpio_enable_interrupt(GPIO_TCS3400_INT_ODL); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); |