/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * AMD Platform Security Processor (PSP) Dynamic Boost Control support
 *
 * Copyright (C) 2023 Advanced Micro Devices, Inc.
 *
 * Author: Mario Limonciello <mario.limonciello@amd.com>
 */

#ifndef __DBC_H__
#define __DBC_H__

#include <uapi/linux/psp-dbc.h>

#include <linux/device.h>
#include <linux/miscdevice.h>
#include <linux/psp-platform-access.h>

#include "psp-dev.h"

struct psp_dbc_device {
        struct device *dev;
        struct psp_device *psp;

        union dbc_buffer *mbox;

        struct mutex ioctl_mutex;

        struct miscdevice char_dev;

        /* used to abstract communication path */
        bool    use_ext;
        u32     header_size;
        u32     *payload_size;
        u32     *result;
        void    *payload;
};

union dbc_buffer {
        struct psp_request              pa_req;
        struct psp_ext_request          ext_req;
};

void dbc_dev_destroy(struct psp_device *psp);
int dbc_dev_init(struct psp_device *psp);

#endif /* __DBC_H */