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 {
32 struct mmc_internal_data {
34 unsigned int lba_start;
35 unsigned int lba_size;
36 unsigned int lba_blk_size;
43 struct nand_internal_data {
50 /* for nand/ubi use */
54 static inline unsigned int get_mmc_blk_size(int dev)
56 return find_mmc_device(dev)->read_bl_len;
59 #define DFU_NAME_SIZE 32
60 #define DFU_CMD_BUF_SIZE 128
61 #ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
62 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
64 #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
65 #define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
69 char name[DFU_NAME_SIZE];
73 enum dfu_device_type dev_type;
74 enum dfu_layout layout;
77 struct mmc_internal_data mmc;
78 struct nand_internal_data nand;
81 int (*read_medium)(struct dfu_entity *dfu,
82 u64 offset, void *buf, long *len);
84 int (*write_medium)(struct dfu_entity *dfu,
85 u64 offset, void *buf, long *len);
87 int (*flush_medium)(struct dfu_entity *dfu);
89 struct list_head list;
91 /* on the fly state */
101 u32 bad_skip; /* for nand use */
103 unsigned int inited:1;
106 int dfu_config_entities(char *s, char *interface, int num);
107 void dfu_free_entities(void);
108 void dfu_show_entities(void);
109 int dfu_get_alt_number(void);
110 const char *dfu_get_dev_type(enum dfu_device_type t);
111 const char *dfu_get_layout(enum dfu_layout l);
112 struct dfu_entity *dfu_get_entity(int alt);
113 char *dfu_extract_token(char** e, int *n);
114 void dfu_trigger_reset(void);
115 bool dfu_reset(void);
116 int dfu_init_env_entities(char *interface, int dev);
118 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
119 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
120 /* Device specific */
121 #ifdef CONFIG_DFU_MMC
122 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
124 static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
126 puts("MMC support not available!\n");
131 #ifdef CONFIG_DFU_NAND
132 extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
134 static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
136 puts("NAND support not available!\n");
141 #endif /* __DFU_ENTITY_H_ */