projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 004cc378 MS |
1 | /* |
| 2 | * videobuf2-memops.h - generic memory handling routines for videobuf2 | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Samsung Electronics | |
| 5 | * | |
| 95072084 | 6 | * Author: Pawel Osciak <pawel@osciak.com> |
| 004cc378 MS |
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 | ||
| 19 | /** | |
| 20 | * vb2_vmarea_handler - common vma refcount tracking handler | |
| 21 | * @refcount: pointer to refcount entry in the buffer | |
| 22 | * @put: callback to function that decreases buffer refcount | |
| 23 | * @arg: argument for @put callback | |
| 24 | */ | |
| 25 | struct vb2_vmarea_handler { | |
| 26 | atomic_t *refcount; | |
| 27 | void (*put)(void *arg); | |
| 28 | void *arg; | |
| 29 | }; | |
| 30 | ||
| 31 | extern const struct vm_operations_struct vb2_common_vm_ops; | |
| 32 | ||
| 33 | int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size, | |
| 34 | struct vm_area_struct **res_vma, dma_addr_t *res_pa); | |
| 35 | ||
| 004cc378 MS |
36 | struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma); |
| 37 | void vb2_put_vma(struct vm_area_struct *vma); | |
| 38 | ||
| 39 | ||
| 40 | #endif |