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https://github.com/AsahiLinux/u-boot
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d42782631d
Define the dfu_get_buf() and dfu_free_buf() as global functions. They are necessary for zero copy buffer management, when DFU backend is used for storing data. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
176 lines
3.7 KiB
C
176 lines
3.7 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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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __DFU_ENTITY_H_
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#define __DFU_ENTITY_H_
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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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#include <linux/usb/composite.h>
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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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DFU_DEV_RAM,
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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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DFU_RAM_ADDR,
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};
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enum dfu_op {
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DFU_OP_READ = 1,
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DFU_OP_WRITE,
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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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/* FAT/EXT */
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unsigned int dev;
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unsigned int part;
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};
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struct nand_internal_data {
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/* RAW programming */
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u64 start;
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u64 size;
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unsigned int dev;
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unsigned int part;
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/* for nand/ubi use */
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unsigned int ubi;
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};
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struct ram_internal_data {
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void *start;
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unsigned int size;
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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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#define DFU_NAME_SIZE 32
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#define DFU_CMD_BUF_SIZE 128
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#ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
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#define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */
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#endif
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#ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
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#define CONFIG_SYS_DFU_MAX_FILE_SIZE CONFIG_SYS_DFU_DATA_BUF_SIZE
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#endif
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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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union {
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struct mmc_internal_data mmc;
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struct nand_internal_data nand;
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struct ram_internal_data ram;
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} data;
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int (*read_medium)(struct dfu_entity *dfu,
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u64 offset, void *buf, long *len);
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int (*write_medium)(struct dfu_entity *dfu,
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u64 offset, void *buf, long *len);
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int (*flush_medium)(struct dfu_entity *dfu);
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struct list_head list;
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/* on the fly state */
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u32 crc;
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u64 offset;
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int i_blk_seq_num;
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u8 *i_buf;
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u8 *i_buf_start;
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u8 *i_buf_end;
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long r_left;
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long b_left;
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u32 bad_skip; /* for nand use */
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unsigned int inited:1;
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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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void dfu_trigger_reset(void);
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int dfu_get_alt(char *name);
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bool dfu_reset(void);
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int dfu_init_env_entities(char *interface, int dev);
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unsigned char *dfu_get_buf(void);
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unsigned char *dfu_free_buf(void);
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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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#ifdef CONFIG_DFU_NAND
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extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s);
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#else
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static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
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{
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puts("NAND support not available!\n");
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return -1;
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}
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#endif
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#ifdef CONFIG_DFU_RAM
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extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s);
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#else
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static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *s)
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{
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puts("RAM support not available!\n");
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return -1;
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}
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#endif
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#ifdef CONFIG_DFU_FUNCTION
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int dfu_add(struct usb_configuration *c);
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#else
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int dfu_add(struct usb_configuration *c)
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{
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return 0;
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}
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#endif
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#endif /* __DFU_ENTITY_H_ */
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