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538ee272 AS |
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 | ||
14 | enum 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_RESET = 0xA7, | |
25 | RAVE_SP_CMD_RESET_REASON = 0xA8, | |
26 | ||
27 | RAVE_SP_CMD_REQ_COPPER_REV = 0xB6, | |
28 | RAVE_SP_CMD_GET_I2C_DEVICE_STATUS = 0xBA, | |
29 | RAVE_SP_CMD_GET_SP_SILICON_REV = 0xB9, | |
30 | RAVE_SP_CMD_CONTROL_EVENTS = 0xBB, | |
31 | ||
32 | RAVE_SP_EVNT_BASE = 0xE0, | |
33 | }; | |
34 | ||
35 | struct rave_sp; | |
36 | ||
37 | static inline unsigned long rave_sp_action_pack(u8 event, u8 value) | |
38 | { | |
39 | return ((unsigned long)value << 8) | event; | |
40 | } | |
41 | ||
42 | static inline u8 rave_sp_action_unpack_event(unsigned long action) | |
43 | { | |
44 | return action; | |
45 | } | |
46 | ||
47 | static inline u8 rave_sp_action_unpack_value(unsigned long action) | |
48 | { | |
49 | return action >> 8; | |
50 | } | |
51 | ||
52 | int rave_sp_exec(struct rave_sp *sp, | |
53 | void *__data, size_t data_size, | |
54 | void *reply_data, size_t reply_data_size); | |
55 | ||
56 | struct device; | |
57 | int devm_rave_sp_register_event_notifier(struct device *dev, | |
58 | struct notifier_block *nb); | |
59 | ||
60 | #endif /* _LINUX_RAVE_SP_H_ */ |