LXR linux/drivers/iio/accel/mma9551

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Common code for Freescale MMA955x Intelligent Sensor Platform drivers
   4 * 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           0x00
  12#define MMA9551_APPID_GPIO              0x03
  13#define MMA9551_APPID_AFE               0x06
  14#define MMA9551_APPID_TILT              0x0B
  15#define MMA9551_APPID_SLEEP_WAKE        0x12
  16#define MMA9551_APPID_PEDOMETER         0x15
  17#define MMA9551_APPID_RSC               0x17
  18#define MMA9551_APPID_NONE              0xff
  19
  20/* Reset/Suspend/Clear application app masks */
  21#define MMA9551_RSC_PED                 BIT(21)
  22
  23#define MMA9551_AUTO_SUSPEND_DELAY_MS   2000
  24
  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