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