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