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38 lines
808 B
38 lines
808 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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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 <[email protected]> |
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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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