85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*
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* Definitions for BMA150 G-sensor chip.
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*/
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#ifndef BMA150_H
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#define BMA150_H
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#include <linux/ioctl.h>
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#define BMA150_I2C_NAME "bma150"
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#ifdef CONFIG_MACH_HTCLEO
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#define BMA150_G_SENSOR_NAME "bma150" // To be compatible with other userspace
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#else
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#define BMA150_G_SENSOR_NAME "bma150_uP_spi"
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#endif
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#define BMAIO 0xA1
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/* BMA150 register address */
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#define CHIP_ID_REG 0x00
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#define VERSION_REG 0x01
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#define X_AXIS_LSB_REG 0x02
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#define X_AXIS_MSB_REG 0x03
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#define Y_AXIS_LSB_REG 0x04
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#define Y_AXIS_MSB_REG 0x05
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#define Z_AXIS_LSB_REG 0x06
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#define Z_AXIS_MSB_REG 0x07
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#define TEMP_RD_REG 0x08
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#define SMB150_STATUS_REG 0x09
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#define SMB150_CTRL_REG 0x0a
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#define SMB150_CONF1_REG 0x0b
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#define LG_THRESHOLD_REG 0x0c
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#define LG_DURATION_REG 0x0d
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#define HG_THRESHOLD_REG 0x0e
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#define HG_DURATION_REG 0x0f
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#define MOTION_THRS_REG 0x10
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#define HYSTERESIS_REG 0x11
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#define CUSTOMER1_REG 0x12
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#define CUSTOMER2_REG 0x13
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#define RANGE_BWIDTH_REG 0x14
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#define SMB150_CONF2_REG 0x15
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#define OFFS_GAIN_X_REG 0x16
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#define OFFS_GAIN_Y_REG 0x17
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#define OFFS_GAIN_Z_REG 0x18
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#define OFFS_GAIN_T_REG 0x19
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#define OFFSET_X_REG 0x1a
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#define OFFSET_Y_REG 0x1b
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#define OFFSET_Z_REG 0x1c
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#define OFFSET_T_REG 0x1d
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/* IOCTLs*/
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#define BMA_IOCTL_INIT _IO(BMAIO, 0x31)
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#define BMA_IOCTL_WRITE _IOW(BMAIO, 0x32, char[5])
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#define BMA_IOCTL_READ _IOWR(BMAIO, 0x33, char[5])
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#define BMA_IOCTL_READ_ACCELERATION _IOWR(BMAIO, 0x34, short[7])
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#define BMA_IOCTL_SET_MODE _IOW(BMAIO, 0x35, short)
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#define BMA_IOCTL_GET_INT _IOR(BMAIO, 0x36, short)
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#define BMA_IOCTL_GET_CHIP_LAYOUT _IOR(BMAIO, 0x37, short)
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/* range and bandwidth */
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#define BMA_RANGE_2G 0
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#define BMA_RANGE_4G 1
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#define BMA_RANGE_8G 2
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#define BMA_BW_25HZ 0
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#define BMA_BW_50HZ 1
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#define BMA_BW_100HZ 2
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#define BMA_BW_190HZ 3
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#define BMA_BW_375HZ 4
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#define BMA_BW_750HZ 5
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#define BMA_BW_1500HZ 6
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/* mode settings */
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#define BMA_MODE_NORMAL 0
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#define BMA_MODE_SLEEP 1
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struct bma150_platform_data {
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int intr;
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int microp_new_cmd;
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int chip_layout;
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};
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#endif
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