47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* tm6000-buf.c - driver for TM5600/TM6000/TM6010 USB video capture devices
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*
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* Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation version 2
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/videodev2.h>
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#define TM6000_URB_MSG_LEN 180
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struct usb_isoc_ctl {
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/* max packet size of isoc transaction */
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int max_pkt_size;
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/* number of allocated urbs */
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int num_bufs;
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/* urb for isoc transfers */
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struct urb **urb;
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/* transfer buffers for isoc transfer */
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char **transfer_buffer;
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/* Last buffer command and region */
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u8 cmd;
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int pos, size, pktsize;
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/* Last field: ODD or EVEN? */
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int vfield, field;
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/* Stores incomplete commands */
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u32 tmp_buf;
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int tmp_buf_len;
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/* Stores already requested buffers */
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struct tm6000_buffer *buf;
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};
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