/* SPDX-License-Identifier: GPL-2.0+ */

/*
 * Core definitions for RAVE SP MFD driver.
 *
 * Copyright (C) 2017 Zodiac Inflight Innovations
 */

#ifndef _LINUX_RAVE_SP_H_
#define _LINUX_RAVE_SP_H_

#include <linux/notifier.h>

enum rave_sp_command {
 RAVE_SP_CMD_GET_FIRMWARE_VERSION = 0x20,
 RAVE_SP_CMD_GET_BOOTLOADER_VERSION = 0x21,
 RAVE_SP_CMD_BOOT_SOURCE   = 0x26,
 RAVE_SP_CMD_GET_BOARD_COPPER_REV = 0x2B,
 RAVE_SP_CMD_GET_GPIO_STATE  = 0x2F,

 RAVE_SP_CMD_STATUS   = 0xA0,
 RAVE_SP_CMD_SW_WDT   = 0xA1,
 RAVE_SP_CMD_PET_WDT   = 0xA2,
 RAVE_SP_CMD_RMB_EEPROM   = 0xA4,
 RAVE_SP_CMD_SET_BACKLIGHT  = 0xA6,
 RAVE_SP_CMD_RESET   = 0xA7,
 RAVE_SP_CMD_RESET_REASON  = 0xA8,

 RAVE_SP_CMD_REQ_COPPER_REV  = 0xB6,
 RAVE_SP_CMD_GET_I2C_DEVICE_STATUS = 0xBA,
 RAVE_SP_CMD_GET_SP_SILICON_REV  = 0xB9,
 RAVE_SP_CMD_CONTROL_EVENTS  = 0xBB,

 RAVE_SP_EVNT_BASE   = 0xE0,
};

struct rave_sp;

static inline unsigned long rave_sp_action_pack(u8 event, u8 value)
{
 return ((unsigned long)value << 8) | event;
}

static inline u8 rave_sp_action_unpack_event(unsigned long action)
{
 return action;
}

static inline u8 rave_sp_action_unpack_value(unsigned long action)
{
 return action >> 8;
}

int rave_sp_exec(struct rave_sp *sp,
   void *__data,  size_t data_size,
   void *reply_data, size_t reply_data_size);

struct device;
int devm_rave_sp_register_event_notifier(struct device *dev,
      struct notifier_block *nb);

#endif /* _LINUX_RAVE_SP_H_ */