82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
|
/*
|
||
|
|
* Common code for Freescale MMA955x Intelligent Sensor Platform drivers
|
||
|
|
* Copyright (c) 2014, Intel Corporation.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms and conditions of the GNU General Public License,
|
||
|
|
* version 2, as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||
|
|
* more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _MMA9551_CORE_H_
|
||
|
|
#define _MMA9551_CORE_H_
|
||
|
|
|
||
|
|
/* Applications IDs */
|
||
|
|
#define MMA9551_APPID_VERSION 0x00
|
||
|
|
#define MMA9551_APPID_GPIO 0x03
|
||
|
|
#define MMA9551_APPID_AFE 0x06
|
||
|
|
#define MMA9551_APPID_TILT 0x0B
|
||
|
|
#define MMA9551_APPID_SLEEP_WAKE 0x12
|
||
|
|
#define MMA9551_APPID_PEDOMETER 0x15
|
||
|
|
#define MMA9551_APPID_RSC 0x17
|
||
|
|
#define MMA9551_APPID_NONE 0xff
|
||
|
|
|
||
|
|
/* Reset/Suspend/Clear application app masks */
|
||
|
|
#define MMA9551_RSC_PED BIT(21)
|
||
|
|
|
||
|
|
#define MMA9551_AUTO_SUSPEND_DELAY_MS 2000
|
||
|
|
|
||
|
|
enum mma9551_gpio_pin {
|
||
|
|
mma9551_gpio6 = 0,
|
||
|
|
mma9551_gpio7,
|
||
|
|
mma9551_gpio8,
|
||
|
|
mma9551_gpio9,
|
||
|
|
mma9551_gpio_max = mma9551_gpio9,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define MMA9551_ACCEL_CHANNEL(axis) { \
|
||
|
|
.type = IIO_ACCEL, \
|
||
|
|
.modified = 1, \
|
||
|
|
.channel2 = axis, \
|
||
|
|
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
|
||
|
|
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
|
||
|
|
}
|
||
|
|
|
||
|
|
int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 *val);
|
||
|
|
int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 val);
|
||
|
|
int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 *val);
|
||
|
|
int mma9551_read_config_word(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u16 *val);
|
||
|
|
int mma9551_write_config_word(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u16 val);
|
||
|
|
int mma9551_read_status_word(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u16 *val);
|
||
|
|
int mma9551_read_config_words(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 len, u16 *buf);
|
||
|
|
int mma9551_read_status_words(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 len, u16 *buf);
|
||
|
|
int mma9551_write_config_words(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 len, u16 *buf);
|
||
|
|
int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,
|
||
|
|
u16 reg, u8 mask, u8 val);
|
||
|
|
int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,
|
||
|
|
u8 app_id, u8 bitnum, int polarity);
|
||
|
|
int mma9551_read_version(struct i2c_client *client);
|
||
|
|
int mma9551_set_device_state(struct i2c_client *client, bool enable);
|
||
|
|
int mma9551_set_power_state(struct i2c_client *client, bool on);
|
||
|
|
void mma9551_sleep(int freq);
|
||
|
|
int mma9551_read_accel_chan(struct i2c_client *client,
|
||
|
|
const struct iio_chan_spec *chan,
|
||
|
|
int *val, int *val2);
|
||
|
|
int mma9551_read_accel_scale(int *val, int *val2);
|
||
|
|
int mma9551_app_reset(struct i2c_client *client, u32 app_mask);
|
||
|
|
|
||
|
|
#endif /* _MMA9551_CORE_H_ */
|