hatch: Add support for OPT3001 ALS

This CL adds support for the OPT3001 to hatch.

BUG=b:124337208
BRANCH=none
TEST=Verfied that when shining phone light on sensor the numbers went
very high (~30k) and when covering sensor values dropped in low 100s.

Change-Id: I43842050273eb5c3e4e13d04a7ca679e5a875d91
Signed-off-by: Scott Collyer <scollyer@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1483894
Commit-Ready: Scott Collyer <scollyer@chromium.org>
Tested-by: Scott Collyer <scollyer@chromium.org>
Tested-by: Zack Yang <zack_yang@compal.corp-partner.google.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>

2 files changed, 44 insertions, 1 deletions

diff --git a/board/hatch/board.c b/board/hatch/board.c
index e936bb5cbf..cae726e504 100644
--- a/board/hatch/board.c
+++ b/board/hatch/board.c
@@ -10,6 +10,7 @@
 #include "common.h"
 #include "driver/accel_bma2x2.h"
 #include "driver/accelgyro_bmi160.h"
+#include "driver/als_opt3001.h"
 #include "driver/ppc/sn5s330.h"
 #include "ec_commands.h"
 #include "extpower.h"
@@ -123,6 +124,12 @@ static struct bmi160_drv_data_t g_bmi160_data;
 /* BMA255 private data */
 static struct accelgyro_saved_data_t g_bma255_data;
 
+static struct opt3001_drv_data_t g_opt3001_data = {
+	.scale = 1,
+	.uscale = 0,
+	.offset = 0,
+};
+
 /* Matrix to rotate accelrator into standard reference frame */
 static const mat33_fp_t base_standard_ref = {
 	{ 0, FLOAT_TO_FP(1), 0},
@@ -211,9 +218,37 @@ struct motion_sensor_t motion_sensors[] = {
 		.min_frequency = BMI160_GYRO_MIN_FREQ,
 		.max_frequency = BMI160_GYRO_MAX_FREQ,
 	},
+
+	[LID_ALS] = {
+		.name = "Light",
+		.active_mask = SENSOR_ACTIVE_S0_S3,
+		.chip = MOTIONSENSE_CHIP_OPT3001,
+		.type = MOTIONSENSE_TYPE_LIGHT,
+		.location = MOTIONSENSE_LOC_LID,
+		.drv = &opt3001_drv,
+		.drv_data = &g_opt3001_data,
+		.port = I2C_PORT_ACCEL,
+		.addr = OPT3001_I2C_ADDR,
+		.rot_standard_ref = NULL,
+		.default_range = 0x2b11a1,
+		.min_frequency = OPT3001_LIGHT_MIN_FREQ,
+		.max_frequency = OPT3001_LIGHT_MAX_FREQ,
+		.config = {
+			/* Run ALS sensor in S0 */
+			[SENSOR_CONFIG_EC_S0] = {
+				.odr = 1000,
+			},
+		},
+	},
 };
 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],
+};
+BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT);
+
 /******************************************************************************/
 /* Physical fans. These are logically separate from pwm_channels. */
 
diff --git a/board/hatch/board.h b/board/hatch/board.h
index 3f5ac8322a..f5730cccec 100644
--- a/board/hatch/board.h
+++ b/board/hatch/board.h
@@ -30,16 +30,23 @@
 #define CONFIG_PWM_KBLIGHT
 
 /* Sensors */
+/* BMI160 Base accel/gyro */
 #define CONFIG_ACCEL_INTERRUPTS
 #define CONFIG_ACCELGYRO_BMI160
 #define CONFIG_ACCELGYRO_BMI160_INT_EVENT TASK_EVENT_CUSTOM(4)
 #define CONFIG_ACCELGYRO_BMI160_INT2_OUTPUT
+/* BMA253 Lid accel */
 #define CONFIG_ACCEL_BMA255
-#define CONFIG_ACCEL_FORCE_MODE_MASK (1 << LID_ACCEL)
+#define CONFIG_ACCEL_FORCE_MODE_MASK ((1 << LID_ACCEL) | (1 << LID_ALS))
 #define CONFIG_LID_ANGLE
 #define CONFIG_LID_ANGLE_SENSOR_BASE BASE_ACCEL
 #define CONFIG_LID_ANGLE_SENSOR_LID LID_ACCEL
 #define CONFIG_LID_ANGLE_UPDATE
+/* OPT3001 ALS */
+#define CONFIG_ALS
+#define ALS_COUNT 1
+#define CONFIG_ALS_OPT3001
+#define OPT3001_I2C_ADDR OPT3001_I2C_ADDR1
 
 /* Fan features */
 #define CONFIG_FANS 1
@@ -87,6 +94,7 @@ enum sensor_id {
 	LID_ACCEL = 0,
 	BASE_ACCEL,
 	BASE_GYRO,
+	LID_ALS,
 	SENSOR_COUNT,
 };