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- /*
- * 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_ */
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