/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
/* MediaTek Inc. (C) 2018. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
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* THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
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* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* The following software/firmware and/or related documentation ("MediaTek Software")
* have been modified by MediaTek Inc. All revisions are subject to any receiver\'s
* applicable license agreements with MediaTek Inc.
*/

#ifndef _MMC_RPMB_H
#define _MMC_RPMB_H

#include "mmc_core.h"

/* ==================================================================================

   RPMB definition

====================================================================================*/
#define RPMB_SZ_STUFF 196
#define RPMB_SZ_MAC   32
#define RPMB_SZ_DATA  256
#define RPMB_SZ_NONCE 16

#define RPMB_PROGRAM_KEY       1       /* Program RPMB Authentication Key */
#define RPMB_GET_WRITE_COUNTER 2       /* Read RPMB write counter */
#define RPMB_WRITE_DATA        3       /* Write data to RPMB partition */
#define RPMB_READ_DATA         4       /* Read data from RPMB partition */
#define RPMB_RESULT_READ       5       /* Read result request */
#define RPMB_REQ               1       /* RPMB request mark */
#define RPMB_RESP              (1 << 1)/* RPMB response mark */
#define RPMB_AVALIABLE_SECTORS 8       /* 4K page size */

#define RPMB_TYPE_BEG          510
#define RPMB_RES_BEG           508
#define RPMB_BLKS_BEG          506
#define RPMB_ADDR_BEG          504
#define RPMB_WCOUNTER_BEG      500

#define RPMB_NONCE_BEG         484
#define RPMB_DATA_BEG          228
#define RPMB_MAC_BEG           196

struct mmc_rpmb_cfg {
	u16 type;                     /* RPMB request type */
	u16 result;                   /* response or request result */
	u16 blk_cnt;                  /* Number of blocks(half sector 256B) */
	u16 addr;                     /* data address */
	u32 wc;                       /* write counter */
	u8 *nonce;                    /* Ramdom number */
	u8 *data;                     /* Buffer of the user data */
	u8 *mac;                      /* Message Authentication Code */
};

struct mmc_rpmb_req {
	struct mmc_rpmb_cfg *rpmb_cfg;
	u8 *data_frame;
};

#if CFG_RPMB_KEY_PROGRAMED_IN_KERNEL
extern int mmc_rpmb_set_key(u8 *key, int *rpmb_result);
#else
extern int mmc_rpmb_set_key(u8 *key);
#endif
extern int mmc_rpmb_read_data(u32 blkAddr, u32 *buf, u32 bufLen);
extern int mmc_rpmb_write_data(u32 blkAddr, u32 *buf, u32 bufLen);
extern u32 mmc_rpmb_get_size(void);
extern u32 mmc_rpmb_get_rel_wr_sec_c(void);

#endif