| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Common code for Freescale MMA955x Intelligent Sensor Platform drivers |
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| 4 | * Copyright (c) 2014, Intel Corporation. |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef _MMA9551_CORE_H_ |
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| 8 | #define _MMA9551_CORE_H_ |
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| 9 | |
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| 10 | /* Applications IDs */ |
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| 11 | #define MMA9551_APPID_VERSION 0x00 |
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| 12 | #define MMA9551_APPID_GPIO 0x03 |
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| 13 | #define MMA9551_APPID_AFE 0x06 |
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| 14 | #define MMA9551_APPID_TILT 0x0B |
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| 15 | #define MMA9551_APPID_SLEEP_WAKE 0x12 |
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| 16 | #define MMA9551_APPID_PEDOMETER 0x15 |
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| 17 | #define MMA9551_APPID_RSC 0x17 |
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| 18 | #define MMA9551_APPID_NONE 0xff |
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| 19 | |
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| 20 | /* Reset/Suspend/Clear application app masks */ |
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| 21 | #define MMA9551_RSC_PED BIT(21) |
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| 22 | |
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| 23 | #define MMA9551_AUTO_SUSPEND_DELAY_MS 2000 |
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| 24 | |
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| 25 | enum mma9551_gpio_pin { |
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| 26 | mma9551_gpio6 = 0, |
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| 27 | mma9551_gpio7, |
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| 28 | mma9551_gpio8, |
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| 29 | mma9551_gpio9, |
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| 30 | mma9551_gpio_max = mma9551_gpio9, |
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| 31 | }; |
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| 32 | |
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| 33 | #define MMA9551_ACCEL_CHANNEL(axis) { \ |
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| 34 | .type = IIO_ACCEL, \ |
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| 35 | .modified = 1, \ |
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| 36 | .channel2 = axis, \ |
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| 37 | .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ |
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| 38 | .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ |
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| 39 | } |
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| 40 | |
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| 41 | int mma9551_read_config_byte(struct i2c_client *client, u8 app_id, |
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| 42 | u16 reg, u8 *val); |
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| 43 | int mma9551_write_config_byte(struct i2c_client *client, u8 app_id, |
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| 44 | u16 reg, u8 val); |
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| 45 | int mma9551_read_status_byte(struct i2c_client *client, u8 app_id, |
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| 46 | u16 reg, u8 *val); |
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| 47 | int mma9551_read_config_word(struct i2c_client *client, u8 app_id, |
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| 48 | u16 reg, u16 *val); |
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| 49 | int mma9551_write_config_word(struct i2c_client *client, u8 app_id, |
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| 50 | u16 reg, u16 val); |
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| 51 | int mma9551_read_status_word(struct i2c_client *client, u8 app_id, |
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| 52 | u16 reg, u16 *val); |
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| 53 | int mma9551_read_config_words(struct i2c_client *client, u8 app_id, |
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| 54 | u16 reg, u8 len, u16 *buf); |
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| 55 | int mma9551_read_status_words(struct i2c_client *client, u8 app_id, |
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| 56 | u16 reg, u8 len, u16 *buf); |
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| 57 | int mma9551_write_config_words(struct i2c_client *client, u8 app_id, |
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| 58 | u16 reg, u8 len, u16 *buf); |
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| 59 | int mma9551_update_config_bits(struct i2c_client *client, u8 app_id, |
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| 60 | u16 reg, u8 mask, u8 val); |
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| 61 | int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin, |
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| 62 | u8 app_id, u8 bitnum, int polarity); |
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| 63 | int mma9551_read_version(struct i2c_client *client); |
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| 64 | int mma9551_set_device_state(struct i2c_client *client, bool enable); |
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| 65 | int mma9551_set_power_state(struct i2c_client *client, bool on); |
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| 66 | void mma9551_sleep(int freq); |
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| 67 | int mma9551_read_accel_chan(struct i2c_client *client, |
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| 68 | const struct iio_chan_spec *chan, |
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| 69 | int *val, int *val2); |
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| 70 | int mma9551_read_accel_scale(int *val, int *val2); |
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| 71 | int mma9551_app_reset(struct i2c_client *client, u32 app_mask); |
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| 72 | |
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| 73 | #endif /* _MMA9551_CORE_H_ */ |
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| 74 | |
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