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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Common code for Freescale MMA955x Intelligent Sensor Platform drivers4 * Copyright (c) 2014, Intel Corporation.5 */6 7#ifndef _MMA9551_CORE_H_8#define _MMA9551_CORE_H_9 10/* Applications IDs */11#define MMA9551_APPID_VERSION 0x0012#define MMA9551_APPID_GPIO 0x0313#define MMA9551_APPID_AFE 0x0614#define MMA9551_APPID_TILT 0x0B15#define MMA9551_APPID_SLEEP_WAKE 0x1216#define MMA9551_APPID_PEDOMETER 0x1517#define MMA9551_APPID_RSC 0x1718#define MMA9551_APPID_NONE 0xff19 20/* Reset/Suspend/Clear application app masks */21#define MMA9551_RSC_PED BIT(21)22 23#define MMA9551_AUTO_SUSPEND_DELAY_MS 200024 25enum mma9551_gpio_pin {26 mma9551_gpio6 = 0,27 mma9551_gpio7,28 mma9551_gpio8,29 mma9551_gpio9,30 mma9551_gpio_max = mma9551_gpio9,31};32 33#define MMA9551_ACCEL_CHANNEL(axis) { \34 .type = IIO_ACCEL, \35 .modified = 1, \36 .channel2 = axis, \37 .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \38 .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \39}40 41int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,42 u16 reg, u8 *val);43int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,44 u16 reg, u8 val);45int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,46 u16 reg, u8 *val);47int mma9551_read_config_word(struct i2c_client *client, u8 app_id,48 u16 reg, u16 *val);49int mma9551_write_config_word(struct i2c_client *client, u8 app_id,50 u16 reg, u16 val);51int mma9551_read_status_word(struct i2c_client *client, u8 app_id,52 u16 reg, u16 *val);53int mma9551_read_config_words(struct i2c_client *client, u8 app_id,54 u16 reg, u8 len, u16 *buf);55int mma9551_read_status_words(struct i2c_client *client, u8 app_id,56 u16 reg, u8 len, u16 *buf);57int mma9551_write_config_words(struct i2c_client *client, u8 app_id,58 u16 reg, u8 len, u16 *buf);59int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,60 u16 reg, u8 mask, u8 val);61int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,62 u8 app_id, u8 bitnum, int polarity);63int mma9551_read_version(struct i2c_client *client);64int mma9551_set_device_state(struct i2c_client *client, bool enable);65int mma9551_set_power_state(struct i2c_client *client, bool on);66void mma9551_sleep(int freq);67int mma9551_read_accel_chan(struct i2c_client *client,68 const struct iio_chan_spec *chan,69 int *val, int *val2);70int mma9551_read_accel_scale(int *val, int *val2);71int mma9551_app_reset(struct i2c_client *client, u32 app_mask);72 73#endif /* _MMA9551_CORE_H_ */74