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73 lines
2.5 KiB
73 lines
2.5 KiB
/* 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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