/* 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_ */