2 * dfu.h - DFU flashable area description
4 * Copyright (C) 2012 Samsung Electronics
5 * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
6 * Lukasz Majewski <l.majewski@samsung.com>
8 * SPDX-License-Identifier: GPL-2.0+
11 #ifndef __DFU_ENTITY_H_
12 #define __DFU_ENTITY_H_
15 #include <linux/list.h>
18 enum dfu_device_type {
37 struct mmc_internal_data {
39 unsigned int lba_start;
40 unsigned int lba_size;
41 unsigned int lba_blk_size;
48 struct nand_internal_data {
55 /* for nand/ubi use */
59 static inline unsigned int get_mmc_blk_size(int dev)
61 return find_mmc_device(dev)->read_bl_len;
64 #define DFU_NAME_SIZE 32
65 #define DFU_CMD_BUF_SIZE 128
66 #ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
67 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
69 #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
70 #define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
74 char name[DFU_NAME_SIZE];
78 enum dfu_device_type dev_type;
79 enum dfu_layout layout;
82 struct mmc_internal_data mmc;
83 struct nand_internal_data nand;
86 int (*read_medium)(struct dfu_entity *dfu,
87 u64 offset, void *buf, long *len);
89 int (*write_medium)(struct dfu_entity *dfu,
90 u64 offset, void *buf, long *len);
92 int (*flush_medium)(struct dfu_entity *dfu);
94 struct list_head list;
96 /* on the fly state */
106 u32 bad_skip; /* for nand use */
108 unsigned int inited:1;
111 int dfu_config_entities(char *s, char *interface, int num);
112 void dfu_free_entities(void);
113 void dfu_show_entities(void);
114 int dfu_get_alt_number(void);
115 const char *dfu_get_dev_type(enum dfu_device_type t);
116 const char *dfu_get_layout(enum dfu_layout l);
117 struct dfu_entity *dfu_get_entity(int alt);
118 char *dfu_extract_token(char** e, int *n);
119 void dfu_trigger_reset(void);
120 bool dfu_reset(void);
121 int dfu_init_env_entities(char *interface, int dev);
123 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
124 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
125 /* Device specific */
126 #ifdef CONFIG_DFU_MMC
127 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
129 static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
131 puts("MMC support not available!\n");
136 #ifdef CONFIG_DFU_NAND
137 extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
139 static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
141 puts("NAND support not available!\n");
146 #endif /* __DFU_ENTITY_H_ */