Commit | Line | Data |
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9701dc94 | 1 | /* |
e28f49b0 | 2 | tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
9701dc94 MCC |
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. | |
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? */ | |
42 | int 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 */ | |
49 | struct tm6000_buffer *buf; | |
50 | ||
51 | /* Stores the number of received fields */ | |
52 | int nfields; | |
9701dc94 | 53 | }; |