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