input: akm8963_nst: Add HTC variant of AKM8963 compass

HTC kernel version: m7-kk-3.4.10-17db3b4

Change-Id: Idde00c0369157833aabcc444f0338062e566d1aa
diff --git a/include/linux/akm8963_nst.h b/include/linux/akm8963_nst.h
new file mode 100644
index 0000000..da1c51b
--- /dev/null
+++ b/include/linux/akm8963_nst.h
@@ -0,0 +1,74 @@
+#ifndef AKM8963_H
+#define AKM8963_H
+
+#include <linux/ioctl.h>
+
+#define AKM8963_I2C_NAME "akm8963"
+
+#define SENSOR_DATA_SIZE	8
+#define YPR_DATA_SIZE		22
+#define RWBUF_SIZE		16
+
+#define ACC_DATA_FLAG		0
+#define MAG_DATA_FLAG		1
+#define ORI_DATA_FLAG		2
+#define AKM_NUM_SENSORS		3
+
+#define ACC_DATA_READY		(1<<(ACC_DATA_FLAG))
+#define MAG_DATA_READY		(1<<(MAG_DATA_FLAG))
+#define ORI_DATA_READY		(1<<(ORI_DATA_FLAG))
+
+#define AK8963_MEASUREMENT_TIME_US	10000
+
+#define AK8963_MODE_SNG_MEASURE	0x01
+#define	AK8963_MODE_SELF_TEST	0x08
+#define	AK8963_MODE_FUSE_ACCESS	0x0F
+#define	AK8963_MODE_POWERDOWN	0x00
+
+
+#define AK8963_REG_WIA		0x00
+#define AK8963_REG_INFO		0x01
+#define AK8963_REG_ST1		0x02
+#define AK8963_REG_HXL		0x03
+#define AK8963_REG_HXH		0x04
+#define AK8963_REG_HYL		0x05
+#define AK8963_REG_HYH		0x06
+#define AK8963_REG_HZL		0x07
+#define AK8963_REG_HZH		0x08
+#define AK8963_REG_ST2		0x09
+#define AK8963_REG_CNTL1	0x0A
+#define AK8963_REG_CNTL2	0x0B
+#define AK8963_REG_ASTC		0x0C
+#define AK8963_REG_TS1		0x0D
+#define AK8963_REG_TS2		0x0E
+#define AK8963_REG_I2CDIS	0x0F
+
+#define AK8963_FUSE_ASAX	0x10
+#define AK8963_FUSE_ASAY	0x11
+#define AK8963_FUSE_ASAZ	0x12
+
+#define AKMIO                   0xA1
+
+#define ECS_IOCTL_READ              _IOWR(AKMIO, 0x01, char*)
+#define ECS_IOCTL_WRITE             _IOW(AKMIO, 0x02, char*)
+#define ECS_IOCTL_SET_MODE          _IOW(AKMIO, 0x03, short)
+#define ECS_IOCTL_GETDATA           _IOR(AKMIO, 0x04, char[SENSOR_DATA_SIZE])
+#define ECS_IOCTL_SET_YPR           _IOW(AKMIO, 0x05, int[YPR_DATA_SIZE])
+#define ECS_IOCTL_GET_OPEN_STATUS   _IOR(AKMIO, 0x06, int)
+#define ECS_IOCTL_GET_CLOSE_STATUS  _IOR(AKMIO, 0x07, int)
+#define ECS_IOCTL_GET_DELAY         _IOR(AKMIO, 0x08, long long int[AKM_NUM_SENSORS])
+#define ECS_IOCTL_GET_LAYOUT        _IOR(AKMIO, 0x09, char)
+#define ECS_IOCTL_GET_OUTBIT        _IOR(AKMIO, 0x0B, char)
+#define ECS_IOCTL_RESET             _IO(AKMIO, 0x0C)
+#define ECS_IOCTL_GET_ACCEL         _IOR(AKMIO, 0x30, short[3])
+
+struct akm8963_platform_data {
+	char layout;
+	char outbit;
+	int gpio_DRDY;
+	int gpio_RST;
+	int (*power_LPM)(int on);
+};
+
+#endif
+