1#ifndef _LBS_IF_USB_H
2#define _LBS_IF_USB_H
3
4#include <linux/wait.h>
5#include <linux/timer.h>
6
7struct lbs_private;
8
9/*
10 * This file contains definition for USB interface.
11 */
12#define CMD_TYPE_REQUEST		0xF00DFACE
13#define CMD_TYPE_DATA			0xBEADC0DE
14#define CMD_TYPE_INDICATION		0xBEEFFACE
15
16#define IPFIELD_ALIGN_OFFSET		2
17
18#define BOOT_CMD_FW_BY_USB		0x01
19#define BOOT_CMD_FW_IN_EEPROM		0x02
20#define BOOT_CMD_UPDATE_BOOT2		0x03
21#define BOOT_CMD_UPDATE_FW		0x04
22#define BOOT_CMD_MAGIC_NUMBER		0x4C56524D   /* LVRM */
23
24struct bootcmd
25{
26	__le32	magic;
27	uint8_t	cmd;
28	uint8_t	pad[11];
29};
30
31#define BOOT_CMD_RESP_OK		0x0001
32#define BOOT_CMD_RESP_FAIL		0x0000
33#define BOOT_CMD_RESP_NOT_SUPPORTED	0x0002
34
35struct bootcmdresp
36{
37	__le32	magic;
38	uint8_t	cmd;
39	uint8_t	result;
40	uint8_t	pad[2];
41};
42
43/* USB card description structure*/
44struct if_usb_card {
45	struct usb_device *udev;
46	uint32_t model;  /* MODEL_* */
47	struct urb *rx_urb, *tx_urb;
48	struct lbs_private *priv;
49
50	struct sk_buff *rx_skb;
51
52	uint8_t ep_in;
53	uint8_t ep_out;
54
55	/* bootcmdresp == 0 means command is pending
56	 * bootcmdresp < 0 means error
57	 * bootcmdresp > 0 is a BOOT_CMD_RESP_* from firmware
58	 */
59	int8_t bootcmdresp;
60
61	int ep_in_size;
62
63	void *ep_out_buf;
64	int ep_out_size;
65
66	const struct firmware *fw;
67	struct timer_list fw_timeout;
68	wait_queue_head_t fw_wq;
69	uint32_t fwseqnum;
70	uint32_t totalbytes;
71	uint32_t fwlastblksent;
72	uint8_t CRC_OK;
73	uint8_t fwdnldover;
74	uint8_t fwfinalblk;
75	uint8_t surprise_removed;
76
77	__le16 boot2_version;
78};
79
80/* fwheader */
81struct fwheader {
82	__le32 dnldcmd;
83	__le32 baseaddr;
84	__le32 datalength;
85	__le32 CRC;
86};
87
88#define FW_MAX_DATA_BLK_SIZE	600
89/* FWData */
90struct fwdata {
91	struct fwheader hdr;
92	__le32 seqnum;
93	uint8_t data[0];
94};
95
96/* fwsyncheader */
97struct fwsyncheader {
98	__le32 cmd;
99	__le32 seqnum;
100};
101
102#define FW_HAS_DATA_TO_RECV		0x00000001
103#define FW_HAS_LAST_BLOCK		0x00000004
104
105
106#endif
107