sensors: add bmi160 & kionix orientation driver

BRANCH=none
BUG=chromium:718919
TEST=make buildall -j works, orientation works when enabled on gru
and scarlet.

Change-Id: I16dcfa5d9dea39c082d98190fa1bb6e496168b17
Signed-off-by: Nick Vaccaro <nvaccaro@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/540124
Tested-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>

3 files changed, 48 insertions, 1 deletions

diff --git a/include/config.h b/include/config.h
index b557b7b8be..ee4ebf0967 100644
--- a/include/config.h
+++ b/include/config.h
@@ -69,6 +69,21 @@
 #undef CONFIG_ACCELGYRO_BMI160
 #undef CONFIG_ACCELGYRO_LSM6DSM
 
+/* Support for BMI160 hardware orientation sensor */
+#undef CONFIG_BMI160_ORIENTATION_SENSOR
+
+/* Support for KIONIX KX022 hardware orientation sensor */
+#undef CONFIG_KX022_ORIENTATION_SENSOR
+
+/*
+ * Define if either CONFIG_BMI160_ORIENTATION_SUPPORT or
+ * CONFIG_KX022_ORIENTATION_SUPPORT is set.
+ */
+#undef CONFIG_ORIENTATION_SENSOR
+
+/* Support the orientation gesture */
+#undef CONFIG_GESTURE_ORIENTATION
+
 /* Specify barometer attached */
 #undef CONFIG_BARO_BMP280
 
@@ -943,6 +958,12 @@
  */
 #define CONFIG_DEBUG_EXCEPTIONS
 
+/*
+ * Print orientation when device orientation changes
+ * (requires CONFIG_SENSOR_ORIENTATION)
+ */
+#undef CONFIG_DEBUG_ORIENTATION
+
 /* Support Synchronous UART debug printf. */
 #undef CONFIG_DEBUG_PRINTF
 
@@ -2916,6 +2937,16 @@
 #define CONFIG_MKBP_EVENT
 #endif
 
+/******************************************************************************/
+/* Set generic orientation config if a specific orientation config is set. */
+#if defined(CONFIG_KX022_ORIENTATION_SENSOR) || \
+	defined(CONFIG_BMI160_ORIENTATION_SENSOR)
+#ifndef CONFIG_ACCEL_FIFO
+#error CONFIG_ACCEL_FIFO must be defined to use hw orientation sensor support
+#endif
+#define CONFIG_ORIENTATION_SENSOR
+#endif
+
 /*****************************************************************************/
 /*
  * Handle task-dependent configs.
diff --git a/include/ec_commands.h b/include/ec_commands.h
index d15c213e98..5be3892d66 100644
--- a/include/ec_commands.h
+++ b/include/ec_commands.h
@@ -2080,6 +2080,15 @@ enum motionsensor_chip {
 	MOTIONSENSE_CHIP_OPT3001 = 10,
 };
 
+/* List of orientation positions */
+enum motionsensor_orientation {
+	MOTIONSENSE_ORIENTATION_LANDSCAPE = 0,
+	MOTIONSENSE_ORIENTATION_PORTRAIT = 1,
+	MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_PORTRAIT = 2,
+	MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_LANDSCAPE = 3,
+	MOTIONSENSE_ORIENTATION_UNKNOWN = 4,
+};
+
 struct __ec_todo_packed ec_response_motion_sensor_data {
 	/* Flags for each sensor. */
 	uint8_t flags;
@@ -2124,6 +2133,7 @@ enum motionsensor_activity {
 	MOTIONSENSE_ACTIVITY_RESERVED = 0,
 	MOTIONSENSE_ACTIVITY_SIG_MOTION = 1,
 	MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2,
+	MOTIONSENSE_ACTIVITY_ORIENTATION = 3,
 };
 
 struct __ec_todo_unpacked ec_motion_sense_activity {
diff --git a/include/motion_sense.h b/include/motion_sense.h
index ef5340122f..553cf0ca7e 100644
--- a/include/motion_sense.h
+++ b/include/motion_sense.h
@@ -203,7 +203,13 @@ void sensor_init_done(const struct motion_sensor_t *sensor, int range);
  */
 void sensor_board_proc_double_tap(void);
 
-#ifdef CONFIG_GESTURE_HOST_DETECTION
+#ifdef CONFIG_ORIENTATION_SENSOR
+enum motionsensor_orientation motion_sense_remap_orientation(
+		const struct motion_sensor_t *s,
+		enum motionsensor_orientation orientation);
+#endif
+
+#if defined(CONFIG_GESTURE_HOST_DETECTION) || defined(CONFIG_ORIENTATION_SENSOR)
 /* Add an extra sensor. We may need to add more */
 #define MOTION_SENSE_ACTIVITY_SENSOR_ID (motion_sensor_count)
 #define ALL_MOTION_SENSORS (MOTION_SENSE_ACTIVITY_SENSOR_ID + 1)