1 /*
2  *  Copyright (C) 2008, cozybit Inc.
3  *  Copyright (C) 2003-2006, Marvell International Ltd.
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or (at
8  *  your option) any later version.
9  */
10 #include <linux/wait.h>
11 #include <linux/timer.h>
12 
13 struct lbtf_private;
14 
15 /**
16   * This file contains definition for USB interface.
17   */
18 #define CMD_TYPE_REQUEST		0xF00DFACE
19 #define CMD_TYPE_DATA			0xBEADC0DE
20 #define CMD_TYPE_INDICATION		0xBEEFFACE
21 
22 #define BOOT_CMD_FW_BY_USB		0x01
23 #define BOOT_CMD_FW_IN_EEPROM		0x02
24 #define BOOT_CMD_UPDATE_BOOT2		0x03
25 #define BOOT_CMD_UPDATE_FW		0x04
26 #define BOOT_CMD_MAGIC_NUMBER		0x4C56524D   /* LVRM */
27 
28 struct bootcmd {
29 	__le32	magic;
30 	uint8_t	cmd;
31 	uint8_t	pad[11];
32 };
33 
34 #define BOOT_CMD_RESP_OK		0x0001
35 #define BOOT_CMD_RESP_FAIL		0x0000
36 
37 struct bootcmdresp {
38 	__le32	magic;
39 	uint8_t	cmd;
40 	uint8_t	result;
41 	uint8_t	pad[2];
42 };
43 
44 /** USB card description structure*/
45 struct if_usb_card {
46 	struct usb_device *udev;
47 	struct urb *rx_urb, *tx_urb, *cmd_urb;
48 	struct lbtf_private *priv;
49 
50 	struct sk_buff *rx_skb;
51 
52 	uint8_t ep_in;
53 	uint8_t ep_out;
54 
55 	int8_t bootcmdresp;
56 
57 	int ep_in_size;
58 
59 	void *ep_out_buf;
60 	int ep_out_size;
61 
62 	const struct firmware *fw;
63 	struct timer_list fw_timeout;
64 	wait_queue_head_t fw_wq;
65 	uint32_t fwseqnum;
66 	uint32_t totalbytes;
67 	uint32_t fwlastblksent;
68 	uint8_t CRC_OK;
69 	uint8_t fwdnldover;
70 	uint8_t fwfinalblk;
71 
72 	__le16 boot2_version;
73 };
74 
75 /** fwheader */
76 struct fwheader {
77 	__le32 dnldcmd;
78 	__le32 baseaddr;
79 	__le32 datalength;
80 	__le32 CRC;
81 };
82 
83 #define FW_MAX_DATA_BLK_SIZE	600
84 /** FWData */
85 struct fwdata {
86 	struct fwheader hdr;
87 	__le32 seqnum;
88 	uint8_t data[0];
89 };
90 
91 /** fwsyncheader */
92 struct fwsyncheader {
93 	__le32 cmd;
94 	__le32 seqnum;
95 };
96 
97 #define FW_HAS_DATA_TO_RECV		0x00000001
98 #define FW_HAS_LAST_BLOCK		0x00000004
99