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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LBS_IF_USB_H
#define _LBS_IF_USB_H
#include <linux/wait.h>
#include <linux/timer.h>
struct lbs_private;
/*
* This file contains definition for USB interface.
*/
#define CMD_TYPE_REQUEST 0xF00DFACE
#define CMD_TYPE_DATA 0xBEADC0DE
#define CMD_TYPE_INDICATION 0xBEEFFACE
#define IPFIELD_ALIGN_OFFSET 2
#define BOOT_CMD_FW_BY_USB 0x01
#define BOOT_CMD_FW_IN_EEPROM 0x02
#define BOOT_CMD_UPDATE_BOOT2 0x03
#define BOOT_CMD_UPDATE_FW 0x04
#define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* LVRM */
struct bootcmd
{
__le32 magic;
uint8_t cmd;
uint8_t pad[11];
};
#define BOOT_CMD_RESP_OK 0x0001
#define BOOT_CMD_RESP_FAIL 0x0000
#define BOOT_CMD_RESP_NOT_SUPPORTED 0x0002
struct bootcmdresp
{
__le32 magic;
uint8_t cmd;
uint8_t result;
uint8_t pad[2];
};
/* USB card description structure*/
struct if_usb_card {
struct usb_device *udev;
uint32_t model; /* MODEL_* */
struct urb *rx_urb, *tx_urb;
struct lbs_private *priv;
struct sk_buff *rx_skb;
uint8_t ep_in;
uint8_t ep_out;
/* bootcmdresp == 0 means command is pending
* bootcmdresp < 0 means error
* bootcmdresp > 0 is a BOOT_CMD_RESP_* from firmware
*/
int8_t bootcmdresp;
int ep_in_size;
void *ep_out_buf;
int ep_out_size;
const struct firmware *fw;
struct timer_list fw_timeout;
wait_queue_head_t fw_wq;
uint32_t fwseqnum;
uint32_t totalbytes;
uint32_t fwlastblksent;
uint8_t CRC_OK;
uint8_t fwdnldover;
uint8_t fwfinalblk;
uint8_t surprise_removed;
__le16 boot2_version;
};
/* fwheader */
struct fwheader {
__le32 dnldcmd;
__le32 baseaddr;
__le32 datalength;
__le32 CRC;
};
#define FW_MAX_DATA_BLK_SIZE 600
/* FWData */
struct fwdata {
struct fwheader hdr;
__le32 seqnum;
uint8_t data[];
};
/* fwsyncheader */
struct fwsyncheader {
__le32 cmd;
__le32 seqnum;
};
#define FW_HAS_DATA_TO_RECV 0x00000001
#define FW_HAS_LAST_BLOCK 0x00000004
#endif
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