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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Definitions for mma8452 compass chip.
*/
#ifndef MMA8452_H
#define MMA8452_H
#include <linux/ioctl.h>
/* Default register settings */
#define RBUFF_SIZE 12 /* Rx buffer size */
#define MMA8452_REG_STATUS 0x0 //RO
#define MMA8452_REG_X_OUT_MSB 0x1 //RO
#define MMA8452_REG_X_OUT_LSB 0x2 //RO
#define MMA8452_REG_Y_OUT_MSB 0x3 //RO
#define MMA8452_REG_Y_OUT_LSB 0x4 //RO
#define MMA8452_REG_Z_OUT_MSB 0x5 //RO
#define MMA8452_REG_Z_OUT_LSB 0x6 //RO
#define MMA8452_REG_F_SETUP 0x9 //RW
#define MMA8452_REG_SYSMOD 0xB //RO
#define MMA8452_REG_INTSRC 0xC //RO
#define MMA8452_REG_WHO_AM_I 0xD //RO
#define MMA8452_REG_XYZ_DATA_CFG 0xE //RW
#define MMA8452_REG_HP_FILTER_CUTOFF 0xF //RW
#define MMA8452_REG_PL_STATUS 0x10 //RO
#define MMA8452_REG_PL_CFG 0x11 //RW
#define MMA8452_REG_PL_COUNT 0x12 //RW
#define MMA8452_REG_PL_BF_ZCOMP 0x13 //RW
#define MMA8452_REG_P_L_THS_REG 0x14 //RW
#define MMA8452_REG_FF_MT_CFG 0x15 //RW
#define MMA8452_REG_FF_MT_SRC 0x16 //RO
#define MMA8452_REG_FF_MT_THS 0x17 //RW
#define MMA8452_REG_FF_MT_COUNT 0x18 //RW
#define MMA8452_REG_TRANSIENT_CFG 0x1D //RW
#define MMA8452_REG_TRANSIENT_SRC 0x1E //RO
#define MMA8452_REG_TRANSIENT_THS 0x1F //RW
#define MMA8452_REG_TRANSIENT_COUNT 0x20 //RW
#define MMA8452_REG_PULSE_CFG 0x21 //RW
#define MMA8452_REG_PULSE_SRC 0x22 //RO
#define MMA8452_REG_PULSE_THSX 0x23 //RW
#define MMA8452_REG_PULSE_THSY 0x24 //RW
#define MMA8452_REG_PULSE_THSZ 0x25 //RW
#define MMA8452_REG_PULSE_TMLT 0x26 //RW
#define MMA8452_REG_PULSE_LTCY 0x27 //RW
#define MMA8452_REG_PULSE_WIND 0x28 //RW
#define MMA8452_REG_ASLP_COUNT 0x29 //RW
#define MMA8452_REG_CTRL_REG1 0x2A //RW
#define MMA8452_REG_CTRL_REG2 0x2B //RW
#define MMA8452_REG_CTRL_REG3 0x2C //RW
#define MMA8452_REG_CTRL_REG4 0x2D //RW
#define MMA8452_REG_CTRL_REG5 0x2E //RW
#define MMA8452_REG_OFF_X 0x2F //RW
#define MMA8452_REG_OFF_Y 0x30 //RW
#define MMA8452_REG_OFF_Z 0x31 //RW
#define MMAIO 0xA1
/* IOCTLs for MMA8452 library */
#define MMA_IOCTL_INIT _IO(MMAIO, 0x01)
#define MMA_IOCTL_RESET _IO(MMAIO, 0x04)
#define MMA_IOCTL_CLOSE _IO(MMAIO, 0x02)
#define MMA_IOCTL_START _IO(MMAIO, 0x03)
#define MMA_IOCTL_GETDATA _IOR(MMAIO, 0x08, char[RBUFF_SIZE+1])
/* IOCTLs for APPs */
#define MMA_IOCTL_APP_SET_RATE _IOW(MMAIO, 0x10, char)
/*rate*/
#define MMA8452_RATE_800 0
#define MMA8452_RATE_400 1
#define MMA8452_RATE_200 2
#define MMA8452_RATE_100 3
#define MMA8452_RATE_50 4
#define MMA8452_RATE_12P5 5
#define MMA8452_RATE_6P25 6
#define MMA8452_RATE_1P56 7
#define MMA8452_RATE_SHIFT 3
#define MMA8452_ASLP_RATE_50 0
#define MMA8452_ASLP_RATE_12P5 1
#define MMA8452_ASLP_RATE_6P25 2
#define MMA8452_ASLP_RATE_1P56 3
#define MMA8452_ASLP_RATE_SHIFT 6
/*Auto-adapt mma845x series*/
/*Modified by Yick @ROCKCHIP
xieyi@rockchips.com*/
/*
Range: unit(ug 1g=1 000 000 ug)
option(2g,4g,8g)
G would be defined on android HAL
Precision: bit wide of valid data
Boundary: Max positive count
Gravity_step: gravity value indicated by per count
*/
#define FREAD_MASK 0 /* enabled(1<<1) only if reading MSB 8bits*/
#define MMA845X_RANGE 2000000
/* mma8451 */
#define MMA8451_PRECISION 14
#define MMA8451_BOUNDARY (0x1 << (MMA8451_PRECISION - 1))
#define MMA8451_GRAVITY_STEP MMA845X_RANGE / MMA8451_BOUNDARY
/* mma8452 */
#define MMA8452_PRECISION 12
#define MMA8452_BOUNDARY (0x1 << (MMA8452_PRECISION - 1))
#define MMA8452_GRAVITY_STEP MMA845X_RANGE / MMA8452_BOUNDARY
/* mma8453 */
#define MMA8453_PRECISION 10
#define MMA8453_BOUNDARY (0x1 << (MMA8453_PRECISION - 1))
#define MMA8453_GRAVITY_STEP MMA845X_RANGE / MMA8453_BOUNDARY
/*End of precision adaption*/
#define MMA8452_TOTAL_TIME 10
#define ACTIVE_MASK 1
/*status*/
#define MMA8452_SUSPEND 2
#define MMA8452_OPEN 1
#define MMA8452_CLOSE 0
#define MMA8452_REG_LEN 11
struct mma8452_axis {
int x;
int y;
int z;
};
#define GSENSOR_DEV_PATH "/dev/mma8452_daemon"
#endif
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