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