mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
synced 2024-10-31 18:09:19 +00:00
3b21244e0c
- Sensor class interface is required for sensor HAL to discover the sensor. This change creates sensor class interface for AKM8963 magnetometer sensor. - Auto-report support added for AKM8963 driver. CRs-fixed: 631108 Change-Id: I45dd4406a46469fe193579ee931bb266a68739e9 Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
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* Definitions for akm8963 compass chip.
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*/
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#ifndef AKM8963_H
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#define AKM8963_H
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#include <linux/ioctl.h>
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/* Device specific constant values */
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#define AK8963_REG_WIA 0x00
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#define AK8963_REG_INFO 0x01
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#define AK8963_REG_ST1 0x02
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#define AK8963_REG_HXL 0x03
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#define AK8963_REG_HXH 0x04
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#define AK8963_REG_HYL 0x05
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#define AK8963_REG_HYH 0x06
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#define AK8963_REG_HZL 0x07
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#define AK8963_REG_HZH 0x08
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#define AK8963_REG_ST2 0x09
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#define AK8963_REG_CNTL1 0x0A
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#define AK8963_REG_CNTL2 0x0B
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#define AK8963_REG_ASTC 0x0C
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#define AK8963_REG_TS1 0x0D
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#define AK8963_REG_TS2 0x0E
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#define AK8963_REG_I2CDIS 0x0F
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#define AK8963_FUSE_ASAX 0x10
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#define AK8963_FUSE_ASAY 0x11
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#define AK8963_FUSE_ASAZ 0x12
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#define AK8963_MODE_POWERDOWN 0x00
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#define AK8963_MODE_SNG_MEASURE 0x01
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#define AK8963_MODE_CONT1_MEASURE 0x02
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#define AK8963_MODE_EXT_TRIG_MEASURE 0x04
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#define AK8963_MODE_CONT2_MEASURE 0x06
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#define AK8963_MODE_SELF_TEST 0x08
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#define AK8963_MODE_FUSE_ACCESS 0x0F
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#define AKM8963_BIT_OP_14 0x00
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#define AKM8963_BIT_OP_16 0x10
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#define AK8963_RESET_DATA 0x01
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#define AK8963_REGS_SIZE 13
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#define AK8963_WIA_VALUE 0x48
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#define AKM8963_ST1_DRDY 0x01
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#define AKM8963_ST1_DOR 0x02
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#define AKM8963_ST2_HOLF 0x08
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#define AKM8963_ST2_BITM 0x10
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/* To avoid device dependency, convert to general name */
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#define AKM_I2C_NAME "akm8963"
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#define AKM_MISCDEV_NAME "akm8963_dev"
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#define AKM_SYSCLS_NAME "compass"
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#define AKM_SYSDEV_NAME "akm8963"
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#define AKM_REG_MODE AK8963_REG_CNTL1
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#define AKM_REG_RESET AK8963_REG_CNTL2
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#define AKM_REG_STATUS AK8963_REG_ST1
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#define AKM_MEASURE_TIME_US 10000
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#define AKM_DRDY_IS_HIGH(x) ((x) & 0x01)
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#define AKM_SENSOR_INFO_SIZE 2
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#define AKM_SENSOR_CONF_SIZE 3
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#define AKM_SENSOR_DATA_SIZE 8
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#define AKM_YPR_DATA_SIZE 16
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#define AKM_RWBUF_SIZE 16
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#define AKM_REGS_SIZE AK8963_REGS_SIZE
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#define AKM_REGS_1ST_ADDR AK8963_REG_WIA
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#define AKM_FUSE_1ST_ADDR AK8963_FUSE_ASAX
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#define AKM_MODE_SNG_MEASURE AK8963_MODE_SNG_MEASURE
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#define AKM_MODE_SELF_TEST AK8963_MODE_SELF_TEST
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#define AKM_MODE_FUSE_ACCESS AK8963_MODE_FUSE_ACCESS
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#define AKM_MODE_POWERDOWN AK8963_MODE_POWERDOWN
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#define AKM_RESET_DATA AK8963_RESET_DATA
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#define ACC_DATA_FLAG 0
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#define MAG_DATA_FLAG 1
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#define FUSION_DATA_FLAG 2
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#define AKM_NUM_SENSORS 3
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#define ACC_DATA_READY (1<<(ACC_DATA_FLAG))
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#define MAG_DATA_READY (1<<(MAG_DATA_FLAG))
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#define FUSION_DATA_READY (1<<(FUSION_DATA_FLAG))
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#define AKMIO 0xA1
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/* IOCTLs for AKM library */
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#define ECS_IOCTL_READ _IOWR(AKMIO, 0x01, char)
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#define ECS_IOCTL_WRITE _IOW(AKMIO, 0x02, char)
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#define ECS_IOCTL_RESET _IO(AKMIO, 0x03)
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#define ECS_IOCTL_SET_MODE _IOW(AKMIO, 0x10, char)
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#define ECS_IOCTL_SET_YPR _IOW(AKMIO, 0x11, int[AKM_YPR_DATA_SIZE])
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#define ECS_IOCTL_GET_INFO _IOR(AKMIO, 0x20, unsigned char[AKM_SENSOR_INFO_SIZE])
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#define ECS_IOCTL_GET_CONF _IOR(AKMIO, 0x21, unsigned char[AKM_SENSOR_CONF_SIZE])
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#define ECS_IOCTL_GET_DATA _IOR(AKMIO, 0x22, unsigned char[AKM_SENSOR_DATA_SIZE])
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#define ECS_IOCTL_GET_OPEN_STATUS _IOR(AKMIO, 0x23, int)
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#define ECS_IOCTL_GET_CLOSE_STATUS _IOR(AKMIO, 0x24, int)
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#define ECS_IOCTL_GET_DELAY _IOR(AKMIO, 0x25, long long int)
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#define ECS_IOCTL_GET_LAYOUT _IOR(AKMIO, 0x26, char)
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#define ECS_IOCTL_GET_ACCEL _IOR(AKMIO, 0x30, short[3])
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struct akm8963_platform_data {
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char layout;
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int auto_report;
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int gpio_DRDY;
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int gpio_rstn;
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int gpio_int;
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unsigned int int_flags;
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bool use_int;
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};
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#endif
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