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Lukasz Majewskif22b11c2012-08-06 14:41:07 +02001/*
2 * dfu.h - DFU flashable area description
3 *
4 * Copyright (C) 2012 Samsung Electronics
5 * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
6 * Lukasz Majewski <l.majewski@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23#ifndef __DFU_ENTITY_H_
24#define __DFU_ENTITY_H_
25
26#include <common.h>
27#include <linux/list.h>
28#include <mmc.h>
29
30enum dfu_device_type {
31 DFU_DEV_MMC = 1,
32 DFU_DEV_ONENAND,
33 DFU_DEV_NAND,
34};
35
36enum dfu_layout {
37 DFU_RAW_ADDR = 1,
38 DFU_FS_FAT,
39 DFU_FS_EXT2,
40 DFU_FS_EXT3,
41 DFU_FS_EXT4,
42};
43
44struct mmc_internal_data {
45 /* RAW programming */
46 unsigned int lba_start;
47 unsigned int lba_size;
48 unsigned int lba_blk_size;
49
50 /* FAT/EXT */
51 unsigned int dev;
52 unsigned int part;
53};
54
55static inline unsigned int get_mmc_blk_size(int dev)
56{
57 return find_mmc_device(dev)->read_bl_len;
58}
59
60#define DFU_NAME_SIZE 32
61#define DFU_CMD_BUF_SIZE 128
62#define DFU_DATA_BUF_SIZE (1024*1024*4) /* 4 MiB */
63
64struct dfu_entity {
65 char name[DFU_NAME_SIZE];
66 int alt;
67 void *dev_private;
68 int dev_num;
69 enum dfu_device_type dev_type;
70 enum dfu_layout layout;
71
72 union {
73 struct mmc_internal_data mmc;
74 } data;
75
76 int (*read_medium)(struct dfu_entity *dfu, void *buf, long *len);
77 int (*write_medium)(struct dfu_entity *dfu, void *buf, long *len);
78
79 struct list_head list;
80};
81
82int dfu_config_entities(char *s, char *interface, int num);
83void dfu_free_entities(void);
84void dfu_show_entities(void);
85int dfu_get_alt_number(void);
86const char *dfu_get_dev_type(enum dfu_device_type t);
87const char *dfu_get_layout(enum dfu_layout l);
88struct dfu_entity *dfu_get_entity(int alt);
89char *dfu_extract_token(char** e, int *n);
90
91int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
92int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
93/* Device specific */
94#ifdef CONFIG_DFU_MMC
95extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
96#else
97static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
98{
99 puts("MMC support not available!\n");
100 return -1;
101}
102#endif
103#endif /* __DFU_ENTITY_H_ */