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 25 enum 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 41 int mma9551_read_config_byte(struct i2c_client *client, u8 app_id, 42 u16 reg, u8 *val); 43 int mma9551_write_config_byte(struct i2c_client *client, u8 app_id, 44 u16 reg, u8 val); 45 int mma9551_read_status_byte(struct i2c_client *client, u8 app_id, 46 u16 reg, u8 *val); 47 int mma9551_read_config_word(struct i2c_client *client, u8 app_id, 48 u16 reg, u16 *val); 49 int mma9551_write_config_word(struct i2c_client *client, u8 app_id, 50 u16 reg, u16 val); 51 int mma9551_read_status_word(struct i2c_client *client, u8 app_id, 52 u16 reg, u16 *val); 53 int mma9551_read_config_words(struct i2c_client *client, u8 app_id, 54 u16 reg, u8 len, u16 *buf); 55 int mma9551_read_status_words(struct i2c_client *client, u8 app_id, 56 u16 reg, u8 len, u16 *buf); 57 int mma9551_write_config_words(struct i2c_client *client, u8 app_id, 58 u16 reg, u8 len, u16 *buf); 59 int mma9551_update_config_bits(struct i2c_client *client, u8 app_id, 60 u16 reg, u8 mask, u8 val); 61 int mma9551_gpio_config(struct i2c_client *client, enum mma9551_gpio_pin pin, 62 u8 app_id, u8 bitnum, int polarity); 63 int mma9551_read_version(struct i2c_client *client); 64 int mma9551_set_device_state(struct i2c_client *client, bool enable); 65 int mma9551_set_power_state(struct i2c_client *client, bool on); 66 void mma9551_sleep(int freq); 67 int mma9551_read_accel_chan(struct i2c_client *client, 68 const struct iio_chan_spec *chan, 69 int *val, int *val2); 70 int mma9551_read_accel_scale(int *val, int *val2); 71 int mma9551_app_reset(struct i2c_client *client, u32 app_mask); 72 73 #endif /* _MMA9551_CORE_H_ */ 74