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 {
45 #define DFU_NOT_SUPPORTED -1
47 struct mmc_internal_data {
49 unsigned int lba_start;
50 unsigned int lba_size;
51 unsigned int lba_blk_size;
53 /* Partition access */
61 struct nand_internal_data {
68 /* for nand/ubi use */
72 struct ram_internal_data {
77 static inline unsigned int get_mmc_blk_size(int dev)
79 return find_mmc_device(dev)->read_bl_len;
82 #define DFU_NAME_SIZE 32
83 #define DFU_CMD_BUF_SIZE 128
84 #ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
85 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
87 #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
88 #define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
90 #ifndef DFU_DEFAULT_POLL_TIMEOUT
91 #define DFU_DEFAULT_POLL_TIMEOUT 0
95 char name[DFU_NAME_SIZE];
99 enum dfu_device_type dev_type;
100 enum dfu_layout layout;
103 struct mmc_internal_data mmc;
104 struct nand_internal_data nand;
105 struct ram_internal_data ram;
108 int (*read_medium)(struct dfu_entity *dfu,
109 u64 offset, void *buf, long *len);
111 int (*write_medium)(struct dfu_entity *dfu,
112 u64 offset, void *buf, long *len);
114 int (*flush_medium)(struct dfu_entity *dfu);
116 struct list_head list;
118 /* on the fly state */
128 u32 bad_skip; /* for nand use */
130 unsigned int inited:1;
133 int dfu_config_entities(char *s, char *interface, int num);
134 void dfu_free_entities(void);
135 void dfu_show_entities(void);
136 int dfu_get_alt_number(void);
137 const char *dfu_get_dev_type(enum dfu_device_type t);
138 const char *dfu_get_layout(enum dfu_layout l);
139 struct dfu_entity *dfu_get_entity(int alt);
140 char *dfu_extract_token(char** e, int *n);
141 void dfu_trigger_reset(void);
142 int dfu_get_alt(char *name);
143 bool dfu_reset(void);
144 int dfu_init_env_entities(char *interface, int dev);
145 unsigned char *dfu_get_buf(void);
146 unsigned char *dfu_free_buf(void);
147 unsigned long dfu_get_buf_size(void);
149 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
150 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
151 /* Device specific */
152 #ifdef CONFIG_DFU_MMC
153 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s);
155 static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s)
157 puts("MMC support not available!\n");
162 #ifdef CONFIG_DFU_NAND
163 extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
165 static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
167 puts("NAND support not available!\n");
172 #ifdef CONFIG_DFU_RAM
173 extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s);
175 static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s)
177 puts("RAM support not available!\n");
182 #ifdef CONFIG_DFU_FUNCTION
183 int dfu_add(struct usb_configuration *c);
185 int dfu_add(struct usb_configuration *c)
190 #endif /* __DFU_ENTITY_H_ */