+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* dfu.h - DFU flashable area description
*
* Copyright (C) 2012 Samsung Electronics
* authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
* Lukasz Majewski <l.majewski@samsung.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DFU_ENTITY_H_
struct sf_internal_data sf;
} data;
- long (*get_medium_size)(struct dfu_entity *dfu);
+ int (*get_medium_size)(struct dfu_entity *dfu, u64 *size);
int (*read_medium)(struct dfu_entity *dfu,
u64 offset, void *buf, long *len);
u8 *i_buf;
u8 *i_buf_start;
u8 *i_buf_end;
- long r_left;
+ u64 r_left;
long b_left;
u32 bad_skip; /* for nand use */
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);
int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
+
+/*
+ * dfu_defer_flush - pointer to store dfu_entity for deferred flashing.
+ * It should be NULL when not used.
+ */
+extern struct dfu_entity *dfu_defer_flush;
+/**
+ * dfu_get_defer_flush - get current value of dfu_defer_flush pointer
+ *
+ * @return - value of the dfu_defer_flush pointer
+ */
+static inline struct dfu_entity *dfu_get_defer_flush(void)
+{
+ return dfu_defer_flush;
+}
+
+/**
+ * dfu_set_defer_flush - set the dfu_defer_flush pointer
+ *
+ * @param dfu - pointer to the dfu_entity, which should be written
+ */
+static inline void dfu_set_defer_flush(struct dfu_entity *dfu)
+{
+ dfu_defer_flush = dfu;
+}
+
+/**
+ * dfu_write_from_mem_addr - write data from memory to DFU managed medium
+ *
+ * This function adds support for writing data starting from fixed memory
+ * address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system)
+ *
+ * @param dfu - dfu entity to which we want to store data
+ * @param buf - fixed memory addres from where data starts
+ * @param size - number of bytes to write
+ *
+ * @return - 0 on success, other value on failure
+ */
+int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size);
+
/* Device specific */
#ifdef CONFIG_DFU_MMC
extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);
}
#endif
+/**
+ * dfu_tftp_write - Write TFTP data to DFU medium
+ *
+ * This function is storing data received via TFTP on DFU supported medium.
+ *
+ * @param dfu_entity_name - name of DFU entity to write
+ * @param addr - address of data buffer to write
+ * @param len - number of bytes
+ * @param interface - destination DFU medium (e.g. "mmc")
+ * @param devstring - instance number of destination DFU medium (e.g. "1")
+ *
+ * @return 0 on success, otherwise error code
+ */
+#ifdef CONFIG_DFU_TFTP
+int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, unsigned int len,
+ char *interface, char *devstring);
+#else
+static inline int dfu_tftp_write(char *dfu_entity_name, unsigned int addr,
+ unsigned int len, char *interface,
+ char *devstring)
+{
+ puts("TFTP write support for DFU not available!\n");
+ return -ENOSYS;
+}
+#endif
+
int dfu_add(struct usb_configuration *c);
#endif /* __DFU_ENTITY_H_ */