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067c13c70b
Add weak callback to allow board specific behavior - flush - initiated This patch prepare usage of DFU back end for communication with STM32CubeProgrammer on stm32mp1 platform with stm32prog command. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
347 lines
8.5 KiB
C
347 lines
8.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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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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#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 <spi_flash.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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DFU_DEV_SF,
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DFU_DEV_MTD,
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DFU_DEV_VIRT,
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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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DFU_OP_SIZE,
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};
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struct mmc_internal_data {
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int dev_num;
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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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/* eMMC HW partition access */
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int hw_partition;
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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 mtd_internal_data {
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struct mtd_info *info;
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/* RAW programming */
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u64 start;
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u64 size;
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/* for ubi partition */
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unsigned int ubi;
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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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struct sf_internal_data {
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struct spi_flash *dev;
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/* RAW programming */
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u64 start;
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u64 size;
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/* for sf/ubi use */
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unsigned int ubi;
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};
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struct virt_internal_data {
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int dev_num;
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};
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#define DFU_NAME_SIZE 32
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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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#ifndef DFU_DEFAULT_POLL_TIMEOUT
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#define DFU_DEFAULT_POLL_TIMEOUT 0
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#endif
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#ifndef DFU_MANIFEST_POLL_TIMEOUT
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#define DFU_MANIFEST_POLL_TIMEOUT DFU_DEFAULT_POLL_TIMEOUT
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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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enum dfu_device_type dev_type;
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enum dfu_layout layout;
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unsigned long max_buf_size;
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union {
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struct mmc_internal_data mmc;
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struct mtd_internal_data mtd;
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struct nand_internal_data nand;
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struct ram_internal_data ram;
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struct sf_internal_data sf;
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struct virt_internal_data virt;
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} data;
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int (*get_medium_size)(struct dfu_entity *dfu, u64 *size);
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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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unsigned int (*poll_timeout)(struct dfu_entity *dfu);
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void (*free_entity)(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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u64 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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#ifdef CONFIG_SET_DFU_ALT_INFO
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void set_dfu_alt_info(char *interface, char *devstr);
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#endif
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int dfu_alt_init(int num, struct dfu_entity **dfu);
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int dfu_alt_add(struct dfu_entity *dfu, char *interface, char *devstr, char *s);
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int dfu_config_entities(char *s, char *interface, char *devstr);
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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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int dfu_init_env_entities(char *interface, char *devstr);
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unsigned char *dfu_get_buf(struct dfu_entity *dfu);
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unsigned char *dfu_free_buf(void);
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unsigned long dfu_get_buf_size(void);
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bool dfu_usb_get_reset(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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int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
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/**
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* dfu_initiated_callback - weak callback called on DFU transaction start
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*
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* It is a callback function called by DFU stack when a DFU transaction is
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* initiated. This function allows to manage some board specific behavior on
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* DFU targets.
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*
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* @param dfu - pointer to the dfu_entity, which should be initialized
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*
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*/
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void dfu_initiated_callback(struct dfu_entity *dfu);
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/**
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* dfu_flush_callback - weak callback called at the end of the DFU write
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*
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* It is a callback function called by DFU stack after DFU manifestation.
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* This function allows to manage some board specific behavior on DFU targets
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*
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* @param dfu - pointer to the dfu_entity, which should be flushed
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*
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*/
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void dfu_flush_callback(struct dfu_entity *dfu);
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/*
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* dfu_defer_flush - pointer to store dfu_entity for deferred flashing.
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* It should be NULL when not used.
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*/
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extern struct dfu_entity *dfu_defer_flush;
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/**
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* dfu_get_defer_flush - get current value of dfu_defer_flush pointer
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*
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* @return - value of the dfu_defer_flush pointer
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*/
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static inline struct dfu_entity *dfu_get_defer_flush(void)
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{
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return dfu_defer_flush;
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}
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/**
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* dfu_set_defer_flush - set the dfu_defer_flush pointer
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*
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* @param dfu - pointer to the dfu_entity, which should be written
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*/
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static inline void dfu_set_defer_flush(struct dfu_entity *dfu)
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{
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dfu_defer_flush = dfu;
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}
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/**
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* dfu_write_from_mem_addr - write data from memory to DFU managed medium
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*
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* This function adds support for writing data starting from fixed memory
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* address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system)
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*
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* @param dfu - dfu entity to which we want to store data
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* @param buf - fixed memory addres from where data starts
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* @param size - number of bytes to write
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*
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* @return - 0 on success, other value on failure
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*/
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int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size);
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/* Device specific */
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#if CONFIG_IS_ENABLED(DFU_MMC)
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extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);
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#else
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static inline int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr,
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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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#if CONFIG_IS_ENABLED(DFU_NAND)
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extern int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s);
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#else
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static inline int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr,
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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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#if CONFIG_IS_ENABLED(DFU_RAM)
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extern int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr, char *s);
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#else
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static inline int dfu_fill_entity_ram(struct dfu_entity *dfu, char *devstr,
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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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#if CONFIG_IS_ENABLED(DFU_SF)
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extern int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, char *s);
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#else
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static inline int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr,
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char *s)
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{
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puts("SF support not available!\n");
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return -1;
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}
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#endif
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#if CONFIG_IS_ENABLED(DFU_MTD)
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int dfu_fill_entity_mtd(struct dfu_entity *dfu, char *devstr, char *s);
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#else
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static inline int dfu_fill_entity_mtd(struct dfu_entity *dfu, char *devstr,
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char *s)
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{
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puts("MTD 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_VIRT
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int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr, char *s);
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int dfu_write_medium_virt(struct dfu_entity *dfu, u64 offset,
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void *buf, long *len);
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int dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size);
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int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
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void *buf, long *len);
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#else
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static inline int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr,
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char *s)
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{
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puts("VIRT support not available!\n");
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return -1;
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}
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#endif
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/**
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* dfu_tftp_write - Write TFTP data to DFU medium
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*
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* This function is storing data received via TFTP on DFU supported medium.
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*
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* @param dfu_entity_name - name of DFU entity to write
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* @param addr - address of data buffer to write
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* @param len - number of bytes
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* @param interface - destination DFU medium (e.g. "mmc")
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* @param devstring - instance number of destination DFU medium (e.g. "1")
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*
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* @return 0 on success, otherwise error code
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*/
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#if CONFIG_IS_ENABLED(DFU_TFTP)
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int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, unsigned int len,
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char *interface, char *devstring);
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#else
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static inline int dfu_tftp_write(char *dfu_entity_name, unsigned int addr,
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unsigned int len, char *interface,
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char *devstring)
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{
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puts("TFTP write support for DFU not available!\n");
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return -ENOSYS;
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}
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#endif
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int dfu_add(struct usb_configuration *c);
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#endif /* __DFU_ENTITY_H_ */
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