1/* SPDX-License-Identifier: GPL-2.0+ */
2
3/*
4 * Core definitions for RAVE SP MFD driver.
5 *
6 * Copyright (C) 2017 Zodiac Inflight Innovations
7 */
8
9#ifndef _LINUX_RAVE_SP_H_
10#define _LINUX_RAVE_SP_H_
11
12#include <linux/notifier.h>
13
14enum rave_sp_command {
15 RAVE_SP_CMD_GET_FIRMWARE_VERSION = 0x20,
16 RAVE_SP_CMD_GET_BOOTLOADER_VERSION = 0x21,
17 RAVE_SP_CMD_BOOT_SOURCE = 0x26,
18 RAVE_SP_CMD_GET_BOARD_COPPER_REV = 0x2B,
19 RAVE_SP_CMD_GET_GPIO_STATE = 0x2F,
20
21 RAVE_SP_CMD_STATUS = 0xA0,
22 RAVE_SP_CMD_SW_WDT = 0xA1,
23 RAVE_SP_CMD_PET_WDT = 0xA2,
24 RAVE_SP_CMD_RMB_EEPROM = 0xA4,
25 RAVE_SP_CMD_SET_BACKLIGHT = 0xA6,
26 RAVE_SP_CMD_RESET = 0xA7,
27 RAVE_SP_CMD_RESET_REASON = 0xA8,
28
29 RAVE_SP_CMD_REQ_COPPER_REV = 0xB6,
30 RAVE_SP_CMD_GET_I2C_DEVICE_STATUS = 0xBA,
31 RAVE_SP_CMD_GET_SP_SILICON_REV = 0xB9,
32 RAVE_SP_CMD_CONTROL_EVENTS = 0xBB,
33
34 RAVE_SP_EVNT_BASE = 0xE0,
35};
36
37struct rave_sp;
38
39static inline unsigned long rave_sp_action_pack(u8 event, u8 value)
40{
41 return ((unsigned long)value << 8) | event;
42}
43
44static inline u8 rave_sp_action_unpack_event(unsigned long action)
45{
46 return action;
47}
48
49static inline u8 rave_sp_action_unpack_value(unsigned long action)
50{
51 return action >> 8;
52}
53
54int rave_sp_exec(struct rave_sp *sp,
55 void *__data, size_t data_size,
56 void *reply_data, size_t reply_data_size);
57
58struct device;
59int devm_rave_sp_register_event_notifier(struct device *dev,
60 struct notifier_block *nb);
61
62#endif /* _LINUX_RAVE_SP_H_ */
63