add ak8975.h

diff --git a/drivers/staging/iio/magnetometer/ak8975.h b/drivers/staging/iio/magnetometer/ak8975.h
new file mode 100644 (file)
index 0000000..dd66285
--- /dev/null
+++ b/drivers/staging/iio/magnetometer/ak8975.h
@@ -0,0 +1,86 @@
+/*
+ * Definitions for akm8975 compass chip.
+ */
+#ifndef AKM8975_H
+#define AKM8975_H
+
+#include <linux/ioctl.h>
+
+#define AKM8975_I2C_NAME "ak8975"
+
+/*! \name AK8975 operation mode
+ \anchor AK8975_Mode
+ Defines an operation mode of the AK8975.*/
+/*! @{*/
+#define AK8975_MODE_SNG_MEASURE        0x01
+#define        AK8975_MODE_SELF_TEST   0x08
+#define        AK8975_MODE_FUSE_ACCESS 0x0F
+#define        AK8975_MODE_POWERDOWN   0x00
+/*! @}*/
+
+#define SENSOR_DATA_SIZE               8       /* Rx buffer size, i.e from ST1 to ST2 */
+#define RWBUF_SIZE                             16      /* Read/Write buffer size.*/
+
+
+/*! \name AK8975 register address
+\anchor AK8975_REG
+Defines a register address of the AK8975.*/
+/*! @{*/
+#define AK8975_REG_WIA         0x00
+#define AK8975_REG_INFO                0x01
+#define AK8975_REG_ST1         0x02
+#define AK8975_REG_HXL         0x03
+#define AK8975_REG_HXH         0x04
+#define AK8975_REG_HYL         0x05
+#define AK8975_REG_HYH         0x06
+#define AK8975_REG_HZL         0x07
+#define AK8975_REG_HZH         0x08
+#define AK8975_REG_ST2         0x09
+#define AK8975_REG_CNTL                0x0A
+#define AK8975_REG_RSV         0x0B
+#define AK8975_REG_ASTC                0x0C
+#define AK8975_REG_TS1         0x0D
+#define AK8975_REG_TS2         0x0E
+#define AK8975_REG_I2CDIS      0x0F
+/*! @}*/
+
+/*! \name AK8975 fuse-rom address
+\anchor AK8975_FUSE
+Defines a read-only address of the fuse ROM of the AK8975.*/
+/*! @{*/
+#define AK8975_FUSE_ASAX       0x10
+#define AK8975_FUSE_ASAY       0x11
+#define AK8975_FUSE_ASAZ       0x12
+/*! @}*/
+
+#define AKMIO                   0xA1
+
+/* IOCTLs for AKM library */
+#define ECS_IOCTL_WRITE                 _IOW(AKMIO, 0x01, char*)
+#define ECS_IOCTL_READ                  _IOWR(AKMIO, 0x02, char*)
+#define ECS_IOCTL_RESET                _IO(AKMIO, 0x03) /* NOT used in AK8975 */
+#define ECS_IOCTL_SET_MODE              _IOW(AKMIO, 0x04, short)
+#define ECS_IOCTL_GETDATA               _IOR(AKMIO, 0x05, char[SENSOR_DATA_SIZE])
+#define ECS_IOCTL_SET_YPR               _IOW(AKMIO, 0x06, short[12])
+#define ECS_IOCTL_GET_OPEN_STATUS       _IOR(AKMIO, 0x07, int)
+#define ECS_IOCTL_GET_CLOSE_STATUS      _IOR(AKMIO, 0x08, int)
+#define ECS_IOCTL_GET_DELAY             _IOR(AKMIO, 0x30, short)
+#define ECS_IOCTL_GET_PROJECT_NAME      _IOR(AKMIO, 0x0D, char[64])
+#define ECS_IOCTL_GET_MATRIX            _IOR(AKMIO, 0x0E, short [4][3][3])
+
+/* IOCTLs for APPs */
+#define ECS_IOCTL_APP_SET_MODE         _IOW(AKMIO, 0x10, short)
+#define ECS_IOCTL_APP_SET_MFLAG                _IOW(AKMIO, 0x11, short)
+#define ECS_IOCTL_APP_GET_MFLAG                _IOW(AKMIO, 0x12, short)
+#define ECS_IOCTL_APP_SET_AFLAG                _IOW(AKMIO, 0x13, short)
+#define ECS_IOCTL_APP_GET_AFLAG                _IOR(AKMIO, 0x14, short)
+#define ECS_IOCTL_APP_SET_TFLAG                _IOR(AKMIO, 0x15, short)/* NOT use */
+#define ECS_IOCTL_APP_GET_TFLAG                _IOR(AKMIO, 0x16, short)/* NOT use */
+#define ECS_IOCTL_APP_RESET_PEDOMETER   _IO(AKMIO, 0x17)       /* NOT use */
+#define ECS_IOCTL_APP_SET_DELAY                _IOW(AKMIO, 0x18, short)
+#define ECS_IOCTL_APP_GET_DELAY                ECS_IOCTL_GET_DELAY
+#define ECS_IOCTL_APP_SET_MVFLAG       _IOW(AKMIO, 0x19, short)
+#define ECS_IOCTL_APP_GET_MVFLAG       _IOR(AKMIO, 0x1A, short)
+
+#endif
+