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1 | /* | |
2 | * dfu.h - DFU flashable area description | |
3 | * | |
4 | * Copyright (C) 2012 Samsung Electronics | |
5 | * authors: Andrzej Pietrasiewicz <[email protected]> | |
6 | * Lukasz Majewski <[email protected]> | |
7 | * | |
8 | * SPDX-License-Identifier: GPL-2.0+ | |
9 | */ | |
10 | ||
11 | #ifndef __DFU_ENTITY_H_ | |
12 | #define __DFU_ENTITY_H_ | |
13 | ||
14 | #include <common.h> | |
15 | #include <linux/list.h> | |
16 | #include <mmc.h> | |
17 | #include <spi_flash.h> | |
18 | #include <linux/usb/composite.h> | |
19 | ||
20 | enum dfu_device_type { | |
21 | DFU_DEV_MMC = 1, | |
22 | DFU_DEV_ONENAND, | |
23 | DFU_DEV_NAND, | |
24 | DFU_DEV_RAM, | |
25 | DFU_DEV_SF, | |
26 | }; | |
27 | ||
28 | enum dfu_layout { | |
29 | DFU_RAW_ADDR = 1, | |
30 | DFU_FS_FAT, | |
31 | DFU_FS_EXT2, | |
32 | DFU_FS_EXT3, | |
33 | DFU_FS_EXT4, | |
34 | DFU_RAM_ADDR, | |
35 | }; | |
36 | ||
37 | enum dfu_op { | |
38 | DFU_OP_READ = 1, | |
39 | DFU_OP_WRITE, | |
40 | DFU_OP_SIZE, | |
41 | }; | |
42 | ||
43 | struct mmc_internal_data { | |
44 | int dev_num; | |
45 | ||
46 | /* RAW programming */ | |
47 | unsigned int lba_start; | |
48 | unsigned int lba_size; | |
49 | unsigned int lba_blk_size; | |
50 | ||
51 | /* eMMC HW partition access */ | |
52 | int hw_partition; | |
53 | ||
54 | /* FAT/EXT */ | |
55 | unsigned int dev; | |
56 | unsigned int part; | |
57 | }; | |
58 | ||
59 | struct nand_internal_data { | |
60 | /* RAW programming */ | |
61 | u64 start; | |
62 | u64 size; | |
63 | ||
64 | unsigned int dev; | |
65 | unsigned int part; | |
66 | /* for nand/ubi use */ | |
67 | unsigned int ubi; | |
68 | }; | |
69 | ||
70 | struct ram_internal_data { | |
71 | void *start; | |
72 | unsigned int size; | |
73 | }; | |
74 | ||
75 | struct sf_internal_data { | |
76 | struct spi_flash *dev; | |
77 | ||
78 | /* RAW programming */ | |
79 | u64 start; | |
80 | u64 size; | |
81 | }; | |
82 | ||
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 */ | |
87 | #endif | |
88 | #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE | |
89 | #define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE | |
90 | #endif | |
91 | #ifndef DFU_DEFAULT_POLL_TIMEOUT | |
92 | #define DFU_DEFAULT_POLL_TIMEOUT 0 | |
93 | #endif | |
94 | #ifndef DFU_MANIFEST_POLL_TIMEOUT | |
95 | #define DFU_MANIFEST_POLL_TIMEOUT DFU_DEFAULT_POLL_TIMEOUT | |
96 | #endif | |
97 | ||
98 | struct dfu_entity { | |
99 | char name[DFU_NAME_SIZE]; | |
100 | int alt; | |
101 | void *dev_private; | |
102 | enum dfu_device_type dev_type; | |
103 | enum dfu_layout layout; | |
104 | unsigned long max_buf_size; | |
105 | ||
106 | union { | |
107 | struct mmc_internal_data mmc; | |
108 | struct nand_internal_data nand; | |
109 | struct ram_internal_data ram; | |
110 | struct sf_internal_data sf; | |
111 | } data; | |
112 | ||
113 | long (*get_medium_size)(struct dfu_entity *dfu); | |
114 | ||
115 | int (*read_medium)(struct dfu_entity *dfu, | |
116 | u64 offset, void *buf, long *len); | |
117 | ||
118 | int (*write_medium)(struct dfu_entity *dfu, | |
119 | u64 offset, void *buf, long *len); | |
120 | ||
121 | int (*flush_medium)(struct dfu_entity *dfu); | |
122 | unsigned int (*poll_timeout)(struct dfu_entity *dfu); | |
123 | ||
124 | void (*free_entity)(struct dfu_entity *dfu); | |
125 | ||
126 | struct list_head list; | |
127 | ||
128 | /* on the fly state */ | |
129 | u32 crc; | |
130 | u64 offset; | |
131 | int i_blk_seq_num; | |
132 | u8 *i_buf; | |
133 | u8 *i_buf_start; | |
134 | u8 *i_buf_end; | |
135 | long r_left; | |
136 | long b_left; | |
137 | ||
138 | u32 bad_skip; /* for nand use */ | |
139 | ||
140 | unsigned int inited:1; | |
141 | }; | |
142 | ||
143 | #ifdef CONFIG_SET_DFU_ALT_INFO | |
144 | void set_dfu_alt_info(char *interface, char *devstr); | |
145 | #endif | |
146 | int dfu_config_entities(char *s, char *interface, char *devstr); | |
147 | void dfu_free_entities(void); | |
148 | void dfu_show_entities(void); | |
149 | int dfu_get_alt_number(void); | |
150 | const char *dfu_get_dev_type(enum dfu_device_type t); | |
151 | const char *dfu_get_layout(enum dfu_layout l); | |
152 | struct dfu_entity *dfu_get_entity(int alt); | |
153 | char *dfu_extract_token(char** e, int *n); | |
154 | void dfu_trigger_reset(void); | |
155 | int dfu_get_alt(char *name); | |
156 | int dfu_init_env_entities(char *interface, char *devstr); | |
157 | unsigned char *dfu_get_buf(struct dfu_entity *dfu); | |
158 | unsigned char *dfu_free_buf(void); | |
159 | unsigned long dfu_get_buf_size(void); | |
160 | bool dfu_usb_get_reset(void); | |
161 | ||
162 | int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num); | |
163 | int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num); | |
164 | int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num); | |
165 | ||
166 | /** | |
167 | * dfu_write_from_mem_addr - write data from memory to DFU managed medium | |
168 | * | |
169 | * This function adds support for writing data starting from fixed memory | |
170 | * address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system) | |
171 | * | |
172 | * @param dfu - dfu entity to which we want to store data | |
173 | * @param buf - fixed memory addres from where data starts | |
174 | * @param size - number of bytes to write | |
175 | * | |
176 | * @return - 0 on success, other value on failure | |
177 | */ | |
178 | int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size); | |
179 | ||
180 | /* Device specific */ | |
181 | #ifdef CONFIG_DFU_MMC | |
182 | extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s); | |
183 | #else | |
184 | static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, | |
185 | char *s) | |
186 | { | |
187 | puts("MMC support not available!\n"); | |
188 | return -1; | |
189 | } | |
190 | #endif | |
191 | ||
192 | #ifdef CONFIG_DFU_NAND | |
193 | extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s); | |
194 | #else | |
195 | static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, | |
196 | char *s) | |
197 | { | |
198 | puts("NAND support not available!\n"); | |
199 | return -1; | |
200 | } | |
201 | #endif | |
202 | ||
203 | #ifdef CONFIG_DFU_RAM | |
204 | extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr, char *s); | |
205 | #else | |
206 | static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr, | |
207 | char *s) | |
208 | { | |
209 | puts("RAM support not available!\n"); | |
210 | return -1; | |
211 | } | |
212 | #endif | |
213 | ||
214 | #ifdef CONFIG_DFU_SF | |
215 | extern int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s); | |
216 | #else | |
217 | static inline int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, | |
218 | char *s) | |
219 | { | |
220 | puts("SF support not available!\n"); | |
221 | return -1; | |
222 | } | |
223 | #endif | |
224 | ||
225 | /** | |
226 | * dfu_tftp_write - Write TFTP data to DFU medium | |
227 | * | |
228 | * This function is storing data received via TFTP on DFU supported medium. | |
229 | * | |
230 | * @param dfu_entity_name - name of DFU entity to write | |
231 | * @param addr - address of data buffer to write | |
232 | * @param len - number of bytes | |
233 | * @param interface - destination DFU medium (e.g. "mmc") | |
234 | * @param devstring - instance number of destination DFU medium (e.g. "1") | |
235 | * | |
236 | * @return 0 on success, otherwise error code | |
237 | */ | |
238 | #ifdef CONFIG_DFU_TFTP | |
239 | int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, unsigned int len, | |
240 | char *interface, char *devstring); | |
241 | #else | |
242 | static inline int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, | |
243 | unsigned int len, char *interface, | |
244 | char *devstring) | |
245 | { | |
246 | puts("TFTP write support for DFU not available!\n"); | |
247 | return -ENOSYS; | |
248 | } | |
249 | #endif | |
250 | ||
251 | int dfu_add(struct usb_configuration *c); | |
252 | #endif /* __DFU_ENTITY_H_ */ |