Commit | Line | Data |
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9701dc94 | 1 | /* |
d0058645 RP |
2 | * tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
3 | * | |
4 | * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation version 2 | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
9701dc94 MCC |
18 | */ |
19 | ||
20 | #include <linux/videodev2.h> | |
21 | ||
6eb5c8a6 MCC |
22 | #define TM6000_URB_MSG_LEN 180 |
23 | ||
9701dc94 MCC |
24 | struct usb_isoc_ctl { |
25 | /* max packet size of isoc transaction */ | |
26 | int max_pkt_size; | |
27 | ||
28 | /* number of allocated urbs */ | |
29 | int num_bufs; | |
30 | ||
31 | /* urb for isoc transfers */ | |
32 | struct urb **urb; | |
33 | ||
34 | /* transfer buffers for isoc transfer */ | |
35 | char **transfer_buffer; | |
36 | ||
ed0236af MCC |
37 | /* Last buffer command and region */ |
38 | u8 cmd; | |
39 | int pos, size, pktsize; | |
9701dc94 MCC |
40 | |
41 | /* Last field: ODD or EVEN? */ | |
423c79e3 | 42 | int vfield, field; |
cc6c60d9 | 43 | |
a228618c | 44 | /* Stores incomplete commands */ |
ed0236af MCC |
45 | u32 tmp_buf; |
46 | int tmp_buf_len; | |
a228618c MCC |
47 | |
48 | /* Stores already requested buffers */ | |
45dbf0db | 49 | struct tm6000_buffer *buf; |
9701dc94 | 50 | }; |