/*
 * helper functions for physically contiguous capture buffers
 *
 * The functions support hardware lacking scatter gather support
 * (i.e. the buffers must be linear in physical memory)
 *
 * Copyright (c) 2008 Magnus Damm
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2
 */
#ifndef _VIDEOBUF_DMA_CONTIG_H
#define _VIDEOBUF_DMA_CONTIG_H

#include <linux/dma-mapping.h>
#include <media/videobuf-core.h>

void videobuf_queue_dma_contig_init(struct videobuf_queue *q,
				    const struct videobuf_queue_ops *ops,
				    struct device *dev,
				    spinlock_t *irqlock,
				    enum v4l2_buf_type type,
				    enum v4l2_field field,
				    unsigned int msize,
				    void *priv,
				    struct mutex *ext_lock);

dma_addr_t videobuf_to_dma_contig(struct videobuf_buffer *buf);
void videobuf_dma_contig_free(struct videobuf_queue *q,
			      struct videobuf_buffer *buf);

#endif /* _VIDEOBUF_DMA_CONTIG_H */
master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/include/trace/events/i2c.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/i2c.h?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/i2c.h?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/i2c.h?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/trace/events/i2c.h'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/trace?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/trace/events?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>events</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/trace/events/i2c.h?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee'>i2c.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/trace/events/i2c.h?h=nds-private-remove&amp;id=1ba1c41408df8a9d2f8b9b67e4c9e6f59b29d8ee&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>