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_ */ 61