| Marek Szyprowski | 004cc37 | 2010-12-09 10:20:47 -0300 | [diff] [blame] | 1 | /* |
| 2 | * videobuf2-memops.h - generic memory handling routines for videobuf2 |
| 3 | * |
| 4 | * Copyright (C) 2010 Samsung Electronics |
| 5 | * |
| Pawel Osciak | 9507208 | 2011-03-13 15:23:32 -0300 | [diff] [blame] | 6 | * Author: Pawel Osciak <pawel@osciak.com> |
| Marek Szyprowski | 004cc37 | 2010-12-09 10:20:47 -0300 | [diff] [blame] | 7 | * Marek Szyprowski <m.szyprowski@samsung.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #ifndef _MEDIA_VIDEOBUF2_MEMOPS_H |
| 15 | #define _MEDIA_VIDEOBUF2_MEMOPS_H |
| 16 | |
| 17 | #include <media/videobuf2-core.h> |
| 18 | |
| Marek Szyprowski | 004cc37 | 2010-12-09 10:20:47 -0300 | [diff] [blame] | 19 | struct vb2_vmarea_handler { |
| 20 | atomic_t *refcount; |
| 21 | void (*put)(void *arg); |
| 22 | void *arg; |
| 23 | }; |
| 24 | |
| 25 | extern const struct vm_operations_struct vb2_common_vm_ops; |
| 26 | |
| 27 | int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size, |
| 28 | struct vm_area_struct **res_vma, dma_addr_t *res_pa); |
| 29 | |
| 30 | int vb2_mmap_pfn_range(struct vm_area_struct *vma, unsigned long paddr, |
| 31 | unsigned long size, |
| 32 | const struct vm_operations_struct *vm_ops, |
| 33 | void *priv); |
| 34 | |
| 35 | struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma); |
| 36 | void vb2_put_vma(struct vm_area_struct *vma); |
| 37 | |
| 38 | |
| 39 | #endif |