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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
Pantelis Antoniouc6631762013-03-14 05:32:52 +000055struct nand_internal_data {
56 /* RAW programming */
57 u64 start;
58 u64 size;
59
60 unsigned int dev;
61 unsigned int part;
62};
63
Lukasz Majewskif22b11c2012-08-06 14:41:07 +020064static inline unsigned int get_mmc_blk_size(int dev)
65{
66 return find_mmc_device(dev)->read_bl_len;
67}
68
Tom Rinia24c3152013-03-14 05:32:49 +000069#define DFU_NAME_SIZE 32
70#define DFU_CMD_BUF_SIZE 128
71#define DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
Pantelis Antoniouea2453d2013-03-14 05:32:48 +000072#ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
73#define CONFIG_SYS_DFU_MAX_FILE_SIZE (4 << 20) /* 4 MiB */
74#endif
Lukasz Majewskif22b11c2012-08-06 14:41:07 +020075
76struct dfu_entity {
77 char name[DFU_NAME_SIZE];
78 int alt;
79 void *dev_private;
80 int dev_num;
81 enum dfu_device_type dev_type;
82 enum dfu_layout layout;
83
84 union {
85 struct mmc_internal_data mmc;
Pantelis Antoniouc6631762013-03-14 05:32:52 +000086 struct nand_internal_data nand;
Lukasz Majewskif22b11c2012-08-06 14:41:07 +020087 } data;
88
Pantelis Antoniouea2453d2013-03-14 05:32:48 +000089 int (*read_medium)(struct dfu_entity *dfu,
90 u64 offset, void *buf, long *len);
91
92 int (*write_medium)(struct dfu_entity *dfu,
93 u64 offset, void *buf, long *len);
94
95 int (*flush_medium)(struct dfu_entity *dfu);
Lukasz Majewskif22b11c2012-08-06 14:41:07 +020096
97 struct list_head list;
Pantelis Antoniouea2453d2013-03-14 05:32:48 +000098
99 /* on the fly state */
100 u32 crc;
101 u64 offset;
102 int i_blk_seq_num;
103 u8 *i_buf;
104 u8 *i_buf_start;
105 u8 *i_buf_end;
106 long r_left;
107 long b_left;
108
Pantelis Antoniouc6631762013-03-14 05:32:52 +0000109 u32 bad_skip; /* for nand use */
110
Pantelis Antoniouea2453d2013-03-14 05:32:48 +0000111 unsigned int inited:1;
Lukasz Majewskif22b11c2012-08-06 14:41:07 +0200112};
113
114int dfu_config_entities(char *s, char *interface, int num);
115void dfu_free_entities(void);
116void dfu_show_entities(void);
117int dfu_get_alt_number(void);
118const char *dfu_get_dev_type(enum dfu_device_type t);
119const char *dfu_get_layout(enum dfu_layout l);
120struct dfu_entity *dfu_get_entity(int alt);
121char *dfu_extract_token(char** e, int *n);
122
123int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
124int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
125/* Device specific */
126#ifdef CONFIG_DFU_MMC
127extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
128#else
129static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
130{
131 puts("MMC support not available!\n");
132 return -1;
133}
134#endif
Pantelis Antoniouc6631762013-03-14 05:32:52 +0000135
136#ifdef CONFIG_DFU_NAND
137extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
138#else
139static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
140{
141 puts("NAND support not available!\n");
142 return -1;
143}
144#endif
145
Lukasz Majewskif22b11c2012-08-06 14:41:07 +0200146#endif /* __DFU_ENTITY_H_ */