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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * (C) Copyright 2017
- *
- * Eddie Cai <eddie.cai.linux@gmail.com>
- */
- #ifndef _F_ROCKUSB_H_
- #define _F_ROCKUSB_H_
- #include <blk.h>
- #define ROCKUSB_VERSION "0.1"
- #define ROCKUSB_INTERFACE_CLASS 0xff
- #define ROCKUSB_INTERFACE_SUB_CLASS 0x06
- #define ROCKUSB_INTERFACE_PROTOCOL 0x05
- #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 0x0200
- #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 0x0040
- #define TX_ENDPOINT_MAXIMUM_PACKET_SIZE 0x0040
- #define EP_BUFFER_SIZE 4096
- /*
- * EP_BUFFER_SIZE must always be an integral multiple of maxpacket size
- * (64 or 512 or 1024), else we break on certain controllers like DWC3
- * that expect bulk OUT requests to be divisible by maxpacket size.
- */
- #define RKUSB_BUF_SIZE EP_BUFFER_SIZE * 2
- #define RKBLOCK_BUF_SIZE 4096
- #define RKUSB_STATUS_IDLE 0
- #define RKUSB_STATUS_CMD 1
- #define RKUSB_STATUS_RXDATA 2
- #define RKUSB_STATUS_TXDATA 3
- #define RKUSB_STATUS_CSW 4
- #define RKUSB_STATUS_RXDATA_PREPARE 5
- #define RKUSB_STATUS_TXDATA_PREPARE 6
- enum rkusb_command {
- K_FW_TEST_UNIT_READY = 0x00,
- K_FW_READ_FLASH_ID = 0x01,
- K_FW_SET_DEVICE_ID = 0x02,
- K_FW_TEST_BAD_BLOCK = 0x03,
- K_FW_READ_10 = 0x04,
- K_FW_WRITE_10 = 0x05,
- K_FW_ERASE_10 = 0x06,
- K_FW_WRITE_SPARE = 0x07,
- K_FW_READ_SPARE = 0x08,
- K_FW_ERASE_10_FORCE = 0x0b,
- K_FW_GET_VERSION = 0x0c,
- K_FW_LBA_READ_10 = 0x14,
- K_FW_LBA_WRITE_10 = 0x15,
- K_FW_ERASE_SYS_DISK = 0x16,
- K_FW_SDRAM_READ_10 = 0x17,
- K_FW_SDRAM_WRITE_10 = 0x18,
- K_FW_SDRAM_EXECUTE = 0x19,
- K_FW_READ_FLASH_INFO = 0x1A,
- K_FW_GET_CHIP_VER = 0x1B,
- K_FW_LOW_FORMAT = 0x1C,
- K_FW_SET_RESET_FLAG = 0x1E,
- K_FW_SPI_READ_10 = 0x21,
- K_FW_SPI_WRITE_10 = 0x22,
- K_FW_LBA_ERASE_10 = 0x25,
- K_FW_SESSION = 0X30,
- K_FW_RESET = 0xff,
- };
- #define CBW_DIRECTION_OUT 0x00
- #define CBW_DIRECTION_IN 0x80
- struct cmd_dispatch_info {
- enum rkusb_command cmd;
- /* call back function to handle rockusb command */
- void (*cb)(struct usb_ep *ep, struct usb_request *req);
- };
- /* Bulk-only data structures */
- /* Command Block Wrapper */
- struct fsg_bulk_cb_wrap {
- __le32 signature; /* Contains 'USBC' */
- u32 tag; /* Unique per command id */
- __le32 data_transfer_length; /* Size of the data */
- u8 flags; /* Direction in bit 7 */
- u8 lun; /* lun (normally 0) */
- u8 length; /* Of the CDB, <= MAX_COMMAND_SIZE */
- u8 CDB[16]; /* Command Data Block */
- };
- #define USB_BULK_CB_WRAP_LEN 31
- #define USB_BULK_CB_SIG 0x43425355 /* Spells out USBC */
- #define USB_BULK_IN_FLAG 0x80
- /* Command status Wrapper */
- struct bulk_cs_wrap {
- __le32 signature; /* Should = 'USBS' */
- u32 tag; /* Same as original command */
- __le32 residue; /* Amount not transferred */
- u8 status; /* See below */
- };
- #define USB_BULK_CS_WRAP_LEN 13
- #define USB_BULK_CS_SIG 0x53425355 /* Spells out 'USBS' */
- #define USB_STATUS_PASS 0
- #define USB_STATUS_FAIL 1
- #define USB_STATUS_PHASE_ERROR 2
- #define CSW_GOOD 0x00
- #define CSW_FAIL 0x01
- struct f_rockusb {
- struct usb_function usb_function;
- struct usb_ep *in_ep, *out_ep;
- struct usb_request *in_req, *out_req;
- char *dev_type;
- unsigned int dev_index;
- unsigned int tag;
- unsigned int lba;
- unsigned int dl_size;
- unsigned int dl_bytes;
- unsigned int ul_size;
- unsigned int ul_bytes;
- struct blk_desc *desc;
- int reboot_flag;
- void *buf;
- void *buf_head;
- };
- /* init rockusb device, tell rockusb which device you want to read/write*/
- void rockusb_dev_init(char *dev_type, int dev_index);
- #endif /* _F_ROCKUSB_H_ */
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