/* * 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_ */