| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* Copyright Statement: |
| 2 | * |
| 3 | * This software/firmware and related documentation ("MediaTek Software") are |
| 4 | * protected under relevant copyright laws. The information contained herein is |
| 5 | * confidential and proprietary to MediaTek Inc. and/or its licensors. Without |
| 6 | * the prior written permission of MediaTek inc. and/or its licensors, any |
| 7 | * reproduction, modification, use or disclosure of MediaTek Software, and |
| 8 | * information contained herein, in whole or in part, shall be strictly |
| 9 | * prohibited. |
| 10 | * |
| 11 | * MediaTek Inc. (C) 2016. All rights reserved. |
| 12 | * |
| 13 | * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES |
| 14 | * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") |
| 15 | * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER |
| 16 | * ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL |
| 17 | * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED |
| 18 | * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR |
| 19 | * NONINFRINGEMENT. NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH |
| 20 | * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, |
| 21 | * INCORPORATED IN, OR SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES |
| 22 | * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. |
| 23 | * RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO |
| 24 | * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN MEDIATEK |
| 25 | * SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE |
| 26 | * RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR |
| 27 | * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S |
| 28 | * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE |
| 29 | * RELEASED HEREUNDER WILL BE, AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE |
| 30 | * MEDIATEK SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE |
| 31 | * CHARGE PAID BY RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. |
| 32 | * |
| 33 | * The following software/firmware and/or related documentation ("MediaTek |
| 34 | * Software") have been modified by MediaTek Inc. All revisions are subject to |
| 35 | * any receiver's applicable license agreements with MediaTek Inc. |
| 36 | */ |
| 37 | |
| 38 | #ifndef BLKDEV_H |
| 39 | #define BLKDEV_H |
| 40 | |
| 41 | #include "typedefs.h" |
| 42 | |
| 43 | typedef struct blkdev blkdev_t; |
| 44 | |
| 45 | struct blkdev { |
| 46 | u32 type; /* block device type */ |
| 47 | u32 blksz; /* block size. (read/write unit) */ |
| 48 | u32 erasesz; /* erase size */ |
| 49 | u32 blks; /* number of blocks in the device */ |
| 50 | u32 offset; /* user area offset in blksz unit */ |
| 51 | u8 *blkbuf; /* block size buffer */ |
| 52 | void *priv; /* device private data */ |
| 53 | blkdev_t *next; /* next block device */ |
| 54 | int (*bread)(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id); |
| 55 | int (*bwrite)(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id); |
| 56 | }; |
| 57 | |
| 58 | extern int blkdev_register(blkdev_t *bdev); |
| 59 | extern int blkdev_read(blkdev_t *bdev, u64 src, u32 size, u8 *dst, u32 part_id); |
| 60 | extern int blkdev_write(blkdev_t *bdev, u64 dst, u32 size, u8 *src, u32 part_id); |
| 61 | extern int blkdev_bread(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id); |
| 62 | extern int blkdev_bwrite(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id); |
| 63 | extern blkdev_t *blkdev_get(u32 type); |
| 64 | |
| 65 | #endif /* BLKDEV_H */ |