diff options
author | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:51:56 -0800 |
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committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:51:56 -0800 |
commit | 68529c0f36074be88ee937634fb9433e69c96388 (patch) | |
tree | 00c842c0eff6a2b946e1c11a1bdf2d632535e0a7 /include/linux/akm8975.h | |
parent | f9a10833c7a12ce1244685eba88848bb88bbd43f (diff) | |
parent | 3ac6e2e8106ac304c56b9435c907b2b3bda27a09 (diff) |
Merge branch 'korg-android-tegra-3.1' into after-upstream-android
Conflicts:
arch/arm/mach-tegra/Kconfig
arch/arm/mach-tegra/board-ventana.c
drivers/misc/Kconfig
drivers/video/tegra/dc/hdmi.c
Signed-off-by: Dan Willemsen <dwillemsen@nvidia.com>
Diffstat (limited to 'include/linux/akm8975.h')
-rw-r--r-- | include/linux/akm8975.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/linux/akm8975.h b/include/linux/akm8975.h new file mode 100644 index 000000000000..6a7c43260018 --- /dev/null +++ b/include/linux/akm8975.h @@ -0,0 +1,87 @@ +/* + * Definitions for akm8975 compass chip. + */ +#ifndef AKM8975_H +#define AKM8975_H + +#include <linux/ioctl.h> + +/*! \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_POWER_DOWN 0x00 +/*! @}*/ + +#define RBUFF_SIZE 8 /* Rx 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, 0x02, char[5]) +#define ECS_IOCTL_READ _IOWR(AKMIO, 0x03, char[5]) +#define ECS_IOCTL_GETDATA _IOR(AKMIO, 0x08, char[RBUFF_SIZE]) +#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x0C, short[12]) +#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x0D, int) +#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x0E, int) +#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x30, short) + +/* IOCTLs for APPs */ +#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_DELAY _IOW(AKMIO, 0x18, short) +#define ECS_IOCTL_APP_GET_DELAY ECS_IOCTL_GET_DELAY +/* Set raw magnetic vector flag */ +#define ECS_IOCTL_APP_SET_MVFLAG _IOW(AKMIO, 0x19, short) +/* Get raw magnetic vector flag */ +#define ECS_IOCTL_APP_GET_MVFLAG _IOR(AKMIO, 0x1A, short) +#define ECS_IOCTL_APP_SET_TFLAG _IOR(AKMIO, 0x15, short) + + +struct akm8975_platform_data { + int intr; + + int (*init)(void); + void (*exit)(void); + int (*power_on)(void); + int (*power_off)(void); +}; + +#endif + |