/* * helper functions for vmalloc capture buffers * * The functions expect the hardware being able to scatter gather * (i.e. the buffers are not linear in physical memory, but fragmented * into PAGE_SIZE chunks). They also assume the driver does not need * to touch the video data. * * (c) 2007 Mauro Carvalho Chehab, <mchehab@infradead.org> * * 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_VMALLOC_H #define _VIDEOBUF_VMALLOC_H #include <media/videobuf-core.h> /* --------------------------------------------------------------------- */ struct videobuf_vmalloc_memory { u32 magic; void *vaddr; /* remap_vmalloc_range seems to need to run * after mmap() on some cases */ struct vm_area_struct *vma; }; void videobuf_queue_vmalloc_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); void *videobuf_to_vmalloc(struct videobuf_buffer *buf); void videobuf_vmalloc_free(struct videobuf_buffer *buf); #endifOverall Contributors
Person | Tokens | Prop | Commits | CommitProp | |
mauro carvalho chehab | mauro carvalho chehab | 83 | 87.37% | 2 | 22.22% |
hans verkuil | hans verkuil | 5 | 5.26% | 1 | 11.11% |
jonathan corbet | jonathan corbet | 3 | 3.16% | 2 | 22.22% |
magnus damm | magnus damm | 1 | 1.05% | 1 | 11.11% |
brandon philips | brandon philips | 1 | 1.05% | 1 | 11.11% |
pawel osciak | pawel osciak | 1 | 1.05% | 1 | 11.11% |
laurent pinchart | laurent pinchart | 1 | 1.05% | 1 | 11.11% |
Total | 95 | 100.00% | 9 | 100.00% |