linux/drivers/iio/accel/mma9551_core.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Common code for Freescale MMA955x Intelligent Sensor Platform drivers
 * Copyright (c) 2014, Intel Corporation.
 */

#ifndef _MMA9551_CORE_H_
#define _MMA9551_CORE_H_

/* Applications IDs */
#define MMA9551_APPID_VERSION …
#define MMA9551_APPID_GPIO …
#define MMA9551_APPID_AFE …
#define MMA9551_APPID_TILT …
#define MMA9551_APPID_SLEEP_WAKE …
#define MMA9551_APPID_PEDOMETER …
#define MMA9551_APPID_RSC …
#define MMA9551_APPID_NONE …

/* Reset/Suspend/Clear application app masks */
#define MMA9551_RSC_PED …

#define MMA9551_AUTO_SUSPEND_DELAY_MS …

enum mma9551_gpio_pin { … };

#define MMA9551_ACCEL_CHANNEL(axis) …

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_ */