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cb132cd5d7
videobuf_queue_dma_contig_init_cached() is not used anywhere. Drop support for it, cleaning up the code a little bit. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
/*
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* helper functions for physically contiguous capture buffers
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*
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* The functions support hardware lacking scatter gather support
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* (i.e. the buffers must be linear in physical memory)
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*
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* Copyright (c) 2008 Magnus Damm
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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; either version 2
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*/
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#ifndef _VIDEOBUF_DMA_CONTIG_H
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#define _VIDEOBUF_DMA_CONTIG_H
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#include <linux/dma-mapping.h>
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#include <media/videobuf-core.h>
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void videobuf_queue_dma_contig_init(struct videobuf_queue *q,
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const struct videobuf_queue_ops *ops,
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struct device *dev,
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spinlock_t *irqlock,
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enum v4l2_buf_type type,
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enum v4l2_field field,
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unsigned int msize,
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void *priv,
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struct mutex *ext_lock);
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dma_addr_t videobuf_to_dma_contig(struct videobuf_buffer *buf);
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void videobuf_dma_contig_free(struct videobuf_queue *q,
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struct videobuf_buffer *buf);
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#endif /* _VIDEOBUF_DMA_CONTIG_H */
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