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 <spi_flash.h>
18 #include <linux/usb/composite.h>
20 enum dfu_device_type {
43 struct mmc_internal_data {
47 unsigned int lba_start;
48 unsigned int lba_size;
49 unsigned int lba_blk_size;
51 /* eMMC HW partition access */
59 struct nand_internal_data {
66 /* for nand/ubi use */
70 struct ram_internal_data {
75 struct sf_internal_data {
76 struct spi_flash *dev;
83 #define DFU_NAME_SIZE 32
84 #define DFU_CMD_BUF_SIZE 128
85 #ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
86 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
88 #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
89 #define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
91 #ifndef DFU_DEFAULT_POLL_TIMEOUT
92 #define DFU_DEFAULT_POLL_TIMEOUT 0
94 #ifndef DFU_MANIFEST_POLL_TIMEOUT
95 #define DFU_MANIFEST_POLL_TIMEOUT DFU_DEFAULT_POLL_TIMEOUT
99 char name[DFU_NAME_SIZE];
102 enum dfu_device_type dev_type;
103 enum dfu_layout layout;
104 unsigned long max_buf_size;
107 struct mmc_internal_data mmc;
108 struct nand_internal_data nand;
109 struct ram_internal_data ram;
110 struct sf_internal_data sf;
113 long (*get_medium_size)(struct dfu_entity *dfu);
115 int (*read_medium)(struct dfu_entity *dfu,
116 u64 offset, void *buf, long *len);
118 int (*write_medium)(struct dfu_entity *dfu,
119 u64 offset, void *buf, long *len);
121 int (*flush_medium)(struct dfu_entity *dfu);
122 unsigned int (*poll_timeout)(struct dfu_entity *dfu);
124 void (*free_entity)(struct dfu_entity *dfu);
126 struct list_head list;
128 /* on the fly state */
138 u32 bad_skip; /* for nand use */
140 unsigned int inited:1;
143 int dfu_config_entities(char *s, char *interface, char *devstr);
144 void dfu_free_entities(void);
145 void dfu_show_entities(void);
146 int dfu_get_alt_number(void);
147 const char *dfu_get_dev_type(enum dfu_device_type t);
148 const char *dfu_get_layout(enum dfu_layout l);
149 struct dfu_entity *dfu_get_entity(int alt);
150 char *dfu_extract_token(char** e, int *n);
151 void dfu_trigger_reset(void);
152 int dfu_get_alt(char *name);
153 int dfu_init_env_entities(char *interface, char *devstr);
154 unsigned char *dfu_get_buf(struct dfu_entity *dfu);
155 unsigned char *dfu_free_buf(void);
156 unsigned long dfu_get_buf_size(void);
157 bool dfu_usb_get_reset(void);
159 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
160 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
161 int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
162 /* Device specific */
163 #ifdef CONFIG_DFU_MMC
164 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);
166 static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr,
169 puts("MMC support not available!\n");
174 #ifdef CONFIG_DFU_NAND
175 extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s);
177 static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr,
180 puts("NAND support not available!\n");
185 #ifdef CONFIG_DFU_RAM
186 extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr, char *s);
188 static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr,
191 puts("RAM support not available!\n");
197 extern int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s);
199 static inline int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr,
202 puts("SF support not available!\n");
207 int dfu_add(struct usb_configuration *c);
208 #endif /* __DFU_ENTITY_H_ */