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2025cf9e19
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 263 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Common code for Freescale MMA955x Intelligent Sensor Platform drivers
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* Copyright (c) 2014, Intel Corporation.
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*/
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#ifndef _MMA9551_CORE_H_
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#define _MMA9551_CORE_H_
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/* Applications IDs */
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#define MMA9551_APPID_VERSION 0x00
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#define MMA9551_APPID_GPIO 0x03
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#define MMA9551_APPID_AFE 0x06
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#define MMA9551_APPID_TILT 0x0B
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#define MMA9551_APPID_SLEEP_WAKE 0x12
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#define MMA9551_APPID_PEDOMETER 0x15
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#define MMA9551_APPID_RSC 0x17
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#define MMA9551_APPID_NONE 0xff
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/* Reset/Suspend/Clear application app masks */
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#define MMA9551_RSC_PED BIT(21)
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#define MMA9551_AUTO_SUSPEND_DELAY_MS 2000
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enum mma9551_gpio_pin {
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mma9551_gpio6 = 0,
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mma9551_gpio7,
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mma9551_gpio8,
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mma9551_gpio9,
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mma9551_gpio_max = mma9551_gpio9,
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};
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#define MMA9551_ACCEL_CHANNEL(axis) { \
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.type = IIO_ACCEL, \
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.modified = 1, \
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.channel2 = axis, \
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.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
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.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
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}
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int mma9551_read_config_byte(struct i2c_client *client, u8 app_id,
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u16 reg, u8 *val);
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int mma9551_write_config_byte(struct i2c_client *client, u8 app_id,
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u16 reg, u8 val);
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int mma9551_read_status_byte(struct i2c_client *client, u8 app_id,
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u16 reg, u8 *val);
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int mma9551_read_config_word(struct i2c_client *client, u8 app_id,
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u16 reg, u16 *val);
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int mma9551_write_config_word(struct i2c_client *client, u8 app_id,
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u16 reg, u16 val);
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int mma9551_read_status_word(struct i2c_client *client, u8 app_id,
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u16 reg, u16 *val);
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int mma9551_read_config_words(struct i2c_client *client, u8 app_id,
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u16 reg, u8 len, u16 *buf);
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int mma9551_read_status_words(struct i2c_client *client, u8 app_id,
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u16 reg, u8 len, u16 *buf);
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int mma9551_write_config_words(struct i2c_client *client, u8 app_id,
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u16 reg, u8 len, u16 *buf);
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int mma9551_update_config_bits(struct i2c_client *client, u8 app_id,
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u16 reg, u8 mask, u8 val);
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int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin,
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u8 app_id, u8 bitnum, int polarity);
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int mma9551_read_version(struct i2c_client *client);
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int mma9551_set_device_state(struct i2c_client *client, bool enable);
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int mma9551_set_power_state(struct i2c_client *client, bool on);
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void mma9551_sleep(int freq);
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int mma9551_read_accel_chan(struct i2c_client *client,
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const struct iio_chan_spec *chan,
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int *val, int *val2);
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int mma9551_read_accel_scale(int *val, int *val2);
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int mma9551_app_reset(struct i2c_client *client, u32 app_mask);
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#endif /* _MMA9551_CORE_H_ */
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