| /* Copyright (c) 2011, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * helper functions for physically contiguous PMEM capture buffers |
| */ |
| |
| #ifndef _VIDEOBUF_PMEM_CONTIG_H |
| #define _VIDEOBUF_PMEM_CONTIG_H |
| |
| #include <media/videobuf-core.h> |
| |
| struct videobuf_contig_pmem { |
| u32 magic; |
| void *vaddr; |
| int phyaddr; |
| unsigned long size; |
| int is_userptr; |
| uint32_t y_off; |
| uint32_t cbcr_off; |
| int buffer_type; |
| struct file *file; |
| }; |
| |
| void videobuf_queue_pmem_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); |
| |
| int videobuf_to_pmem_contig(struct videobuf_buffer *buf); |
| int videobuf_pmem_contig_free(struct videobuf_queue *q, |
| struct videobuf_buffer *buf); |
| |
| #endif /* _VIDEOBUF_PMEM_CONTIG_H */ |