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>
17 #include <linux/usb/composite.h>
19 enum dfu_device_type {
40 struct mmc_internal_data {
42 unsigned int lba_start;
43 unsigned int lba_size;
44 unsigned int lba_blk_size;
51 struct nand_internal_data {
58 /* for nand/ubi use */
62 struct ram_internal_data {
67 static inline unsigned int get_mmc_blk_size(int dev)
69 return find_mmc_device(dev)->read_bl_len;
72 #define DFU_NAME_SIZE 32
73 #define DFU_CMD_BUF_SIZE 128
74 #ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
75 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
77 #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
78 #define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
82 char name[DFU_NAME_SIZE];
86 enum dfu_device_type dev_type;
87 enum dfu_layout layout;
90 struct mmc_internal_data mmc;
91 struct nand_internal_data nand;
92 struct ram_internal_data ram;
95 int (*read_medium)(struct dfu_entity *dfu,
96 u64 offset, void *buf, long *len);
98 int (*write_medium)(struct dfu_entity *dfu,
99 u64 offset, void *buf, long *len);
101 int (*flush_medium)(struct dfu_entity *dfu);
103 struct list_head list;
105 /* on the fly state */
115 u32 bad_skip; /* for nand use */
117 unsigned int inited:1;
120 int dfu_config_entities(char *s, char *interface, int num);
121 void dfu_free_entities(void);
122 void dfu_show_entities(void);
123 int dfu_get_alt_number(void);
124 const char *dfu_get_dev_type(enum dfu_device_type t);
125 const char *dfu_get_layout(enum dfu_layout l);
126 struct dfu_entity *dfu_get_entity(int alt);
127 char *dfu_extract_token(char** e, int *n);
128 void dfu_trigger_reset(void);
129 int dfu_get_alt(char *name);
130 bool dfu_reset(void);
131 int dfu_init_env_entities(char *interface, int dev);
133 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
134 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
135 /* Device specific */
136 #ifdef CONFIG_DFU_MMC
137 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
139 static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
141 puts("MMC support not available!\n");
146 #ifdef CONFIG_DFU_NAND
147 extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
149 static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
151 puts("NAND support not available!\n");
156 #ifdef CONFIG_DFU_RAM
157 extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s);
159 static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s)
161 puts("RAM support not available!\n");
166 #ifdef CONFIG_DFU_FUNCTION
167 int dfu_add(struct usb_configuration *c);
169 int dfu_add(struct usb_configuration *c)
174 #endif /* __DFU_ENTITY_H_ */