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Diffstat (limited to 'include/dfu.h')
| -rw-r--r-- | include/dfu.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/dfu.h b/include/dfu.h new file mode 100644 index 0000000..5350d79 --- /dev/null +++ b/include/dfu.h @@ -0,0 +1,103 @@ +/* + * dfu.h - DFU flashable area description + * + * Copyright (C) 2012 Samsung Electronics + * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com> + * Lukasz Majewski <l.majewski@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __DFU_ENTITY_H_ +#define __DFU_ENTITY_H_ + +#include <common.h> +#include <linux/list.h> +#include <mmc.h> + +enum dfu_device_type { + DFU_DEV_MMC = 1, + DFU_DEV_ONENAND, + DFU_DEV_NAND, +}; + +enum dfu_layout { + DFU_RAW_ADDR = 1, + DFU_FS_FAT, + DFU_FS_EXT2, + DFU_FS_EXT3, + DFU_FS_EXT4, +}; + +struct mmc_internal_data { + /* RAW programming */ + unsigned int lba_start; + unsigned int lba_size; + unsigned int lba_blk_size; + + /* FAT/EXT */ + unsigned int dev; + unsigned int part; +}; + +static inline unsigned int get_mmc_blk_size(int dev) +{ + return find_mmc_device(dev)->read_bl_len; +} + +#define DFU_NAME_SIZE 32 +#define DFU_CMD_BUF_SIZE 128 +#define DFU_DATA_BUF_SIZE (1024*1024*4) /* 4 MiB */ + +struct dfu_entity { + char name[DFU_NAME_SIZE]; + int alt; + void *dev_private; + int dev_num; + enum dfu_device_type dev_type; + enum dfu_layout layout; + + union { + struct mmc_internal_data mmc; + } data; + + int (*read_medium)(struct dfu_entity *dfu, void *buf, long *len); + int (*write_medium)(struct dfu_entity *dfu, void *buf, long *len); + + struct list_head list; +}; + +int dfu_config_entities(char *s, char *interface, int num); +void dfu_free_entities(void); +void dfu_show_entities(void); +int dfu_get_alt_number(void); +const char *dfu_get_dev_type(enum dfu_device_type t); +const char *dfu_get_layout(enum dfu_layout l); +struct dfu_entity *dfu_get_entity(int alt); +char *dfu_extract_token(char** e, int *n); + +int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num); +int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num); +/* Device specific */ +#ifdef CONFIG_DFU_MMC +extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s); +#else +static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *s) +{ + puts("MMC support not available!\n"); + return -1; +} +#endif +#endif /* __DFU_ENTITY_H_ */ |