Initial file dump from open source releaseHEADmaster

1 files changed, 130 insertions, 0 deletions

diff --git a/include/linux/bst_sensor_common.h b/include/linux/bst_sensor_common.h
new file mode 100644
index 00000000..9d27bae3
--- /dev/null
+++ b/include/linux/bst_sensor_common.h
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2013 Bosch Sensortec GmbH * All Rights Reserved
+ *
+ * This software program is licensed subject to the GNU General Public License
+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
+ *
+ * @date        Sep 19th, 2012
+ * @version     v1.0
+ * @brief       Common APIs for Bosch MEMS sensor drivers
+ */
+
+
+#ifndef __BOSCH_SENSOR_COMMON_H
+#define __BOSCH_SENSOR_COMMON_H
+
+#ifdef __KERNEL__
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/unistd.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#else
+#include <unistd.h>
+#include <sys/types.h>
+#include <string.h>
+#endif
+
+/*!
+ * @Description:
+ * definitions of placement of sensors
+ * P0 - P3: view from top of device
+ * P4 - P7: view from bottom of device
+ *
+ * P0 / P4:
+ * Y of device aligned with Y of OS (i.e: Android)
+ *                  y
+ *                  ^
+ *                  |
+ *                  |
+ *                  |
+ *                  o------> x
+ *
+ *
+ * P1 / P5:
+ * Y of device aligned with Y of OS (i.e.: Android)
+ * rotated by 90 degrees clockwise
+ *
+ *                  o------> y
+ *                  |
+ *                  |
+ *                  |
+ *                  v x
+ *
+ *
+ * P2 / P6:
+ * Y of device aligned with Y of OS (i.e.: Android)
+ * rotated by 180 degrees clockwise
+ *
+ *         x <------o
+ *                  |
+ *                  |
+ *                  |
+ *                  v
+ *                  y
+ *
+ *
+ * P3 / P7:
+ * Y of device aligned with Y of OS (i.e.: Android)
+ * rotated by 270 degrees clockwise
+ *
+ *                  x
+ *                  ^
+ *                  |
+ *                  |
+ *                  |
+ *         y <------o
+ *
+ */
+
+
+struct bosch_sensor_specific {
+	char *name;
+	/* 0 to 7 */
+	unsigned int place:3;
+	int irq;
+};
+
+
+/*!
+ * we use a typedef to hide the detail,
+ * because this type might be changed
+ */
+struct bosch_sensor_axis_remap {
+	/* src means which source will be mapped to target x, y, z axis */
+	/* if an target OS axis is remapped from (-)x,
+	 * src is 0, sign_* is (-)1 */
+	/* if an target OS axis is remapped from (-)y,
+	 * src is 1, sign_* is (-)1 */
+	/* if an target OS axis is remapped from (-)z,
+	 * src is 2, sign_* is (-)1 */
+	int src_x:3;
+	int src_y:3;
+	int src_z:3;
+
+	int sign_x:2;
+	int sign_y:2;
+	int sign_z:2;
+};
+
+
+struct bosch_sensor_data {
+	union {
+		int32_t v[3];
+		struct {
+			int32_t x;
+			int32_t y;
+			int32_t z;
+		};
+	};
+};
+
+
+void bst_remap_sensor_data(struct bosch_sensor_data *data,
+		const struct bosch_sensor_axis_remap *remap);
+
+void bst_remap_sensor_data_dft_tab(struct bosch_sensor_data *data,
+		int place);
+
+#define BOSCH_SENSOR_PLACE_UNKNOWN (-1)
+#endif