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Revert "Revert "usb: rockchip: add the rockusb gadget""
This reverts commit 7a4b754.
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/* | ||
* (C) Copyright 2017 | ||
* | ||
* Eddie Cai <[email protected]> | ||
* | ||
* SPDX-License-Identifier: GPL-2.0+ | ||
*/ | ||
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#ifndef _F_ROCKUSB_H_ | ||
#define _F_ROCKUSB_H_ | ||
#include <blk.h> | ||
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#define ROCKUSB_VERSION "0.1" | ||
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#define ROCKUSB_INTERFACE_CLASS 0xff | ||
#define ROCKUSB_INTERFACE_SUB_CLASS 0x06 | ||
#define ROCKUSB_INTERFACE_PROTOCOL 0x05 | ||
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#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) | ||
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#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. | ||
*/ | ||
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#define CONFIG_ROCKUSB_BUF_ADDR CONFIG_SYS_LOAD_ADDR | ||
#define CONFIG_ROCKUSB_BUF_SIZE 0x08000000 | ||
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#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 | ||
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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, | ||
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K_FW_ERASE_10_FORCE = 0x0b, | ||
K_FW_GET_VERSION = 0x0c, | ||
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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, | ||
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K_FW_SESSION = 0X30, | ||
K_FW_RESET = 0xff, | ||
}; | ||
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#define CBW_DIRECTION_OUT 0x00 | ||
#define CBW_DIRECTION_IN 0x80 | ||
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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); | ||
}; | ||
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/* Bulk-only data structures */ | ||
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/* 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 */ | ||
}; | ||
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#define USB_BULK_CB_WRAP_LEN 31 | ||
#define USB_BULK_CB_SIG 0x43425355 /* Spells out USBC */ | ||
#define USB_BULK_IN_FLAG 0x80 | ||
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/* 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 */ | ||
}; | ||
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#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 | ||
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#define CSW_GOOD 0x00 | ||
#define CSW_FAIL 0x01 | ||
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struct f_rockusb { | ||
struct usb_function usb_function; | ||
struct usb_ep *in_ep, *out_ep; | ||
struct usb_request *in_req, *out_req; | ||
char *rockusb_dev_type; | ||
unsigned int rockusb_dev_index; | ||
unsigned int download_tag; | ||
unsigned int download_lba; | ||
unsigned int download_size; | ||
unsigned int download_bytes; | ||
struct blk_desc *download_desc; | ||
int reboot_flag; | ||
}; | ||
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/* 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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