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- /*
- * 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 */
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