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_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 | |
37 | struct rave_sp; |
38 | |
39 | static inline unsigned long rave_sp_action_pack(u8 event, u8 value) |
40 | { |
41 | return ((unsigned long)value << 8) | event; |
42 | } |
43 | |
44 | static inline u8 rave_sp_action_unpack_event(unsigned long action) |
45 | { |
46 | return action; |
47 | } |
48 | |
49 | static inline u8 rave_sp_action_unpack_value(unsigned long action) |
50 | { |
51 | return action >> 8; |
52 | } |
53 | |
54 | int rave_sp_exec(struct rave_sp *sp, |
55 | void *__data, size_t data_size, |
56 | void *reply_data, size_t reply_data_size); |
57 | |
58 | struct device; |
59 | int devm_rave_sp_register_event_notifier(struct device *dev, |
60 | struct notifier_block *nb); |
61 | |
62 | #endif /* _LINUX_RAVE_SP_H_ */ |
63 | |