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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* 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@kernel.org>
*/
#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);
#endif
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| davinci | Folder | 0755 |
|
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| drv-intf | Folder | 0755 |
|
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| i2c | Folder | 0755 |
|
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| tpg | Folder | 0755 |
|
|
| cec-notifier.h | File | 5.03 KB | 0644 |
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| cec-pin.h | File | 2.79 KB | 0644 |
|
| cec.h | File | 17.87 KB | 0644 |
|
| demux.h | File | 22.69 KB | 0644 |
|
| dmxdev.h | File | 5.87 KB | 0644 |
|
| dvb-usb-ids.h | File | 19.46 KB | 0644 |
|
| dvb_ca_en50221.h | File | 4.35 KB | 0644 |
|
| dvb_demux.h | File | 10.77 KB | 0644 |
|
| dvb_frontend.h | File | 30.03 KB | 0644 |
|
| dvb_net.h | File | 2.25 KB | 0644 |
|
| dvb_ringbuffer.h | File | 8.32 KB | 0644 |
|
| dvb_vb2.h | File | 7.65 KB | 0644 |
|
| dvbdev.h | File | 14.43 KB | 0644 |
|
| frame_vector.h | File | 1.42 KB | 0644 |
|
| hevc-ctrls.h | File | 9.81 KB | 0644 |
|
| imx.h | File | 190 B | 0644 |
|
| jpeg.h | File | 500 B | 0644 |
|
| media-dev-allocator.h | File | 2.21 KB | 0644 |
|
| media-device.h | File | 17.65 KB | 0644 |
|
| media-devnode.h | File | 5.29 KB | 0644 |
|
| media-entity.h | File | 47.11 KB | 0644 |
|
| media-request.h | File | 11.96 KB | 0644 |
|
| rc-core.h | File | 12.27 KB | 0644 |
|
| rc-map.h | File | 14.41 KB | 0644 |
|
| rcar-fcp.h | File | 1.1 KB | 0644 |
|
| tuner-types.h | File | 7.54 KB | 0644 |
|
| tuner.h | File | 8.4 KB | 0644 |
|
| tveeprom.h | File | 3.3 KB | 0644 |
|
| v4l2-async.h | File | 11.27 KB | 0644 |
|
| v4l2-common.h | File | 19.96 KB | 0644 |
|
| v4l2-ctrls.h | File | 54.21 KB | 0644 |
|
| v4l2-dev.h | File | 20.11 KB | 0644 |
|
| v4l2-device.h | File | 18.61 KB | 0644 |
|
| v4l2-dv-timings.h | File | 9.08 KB | 0644 |
|
| v4l2-event.h | File | 6.01 KB | 0644 |
|
| v4l2-fh.h | File | 4.22 KB | 0644 |
|
| v4l2-flash-led-class.h | File | 5.75 KB | 0644 |
|
| v4l2-fwnode.h | File | 18.25 KB | 0644 |
|
| v4l2-h264.h | File | 2.85 KB | 0644 |
|
| v4l2-image-sizes.h | File | 827 B | 0644 |
|
| v4l2-ioctl.h | File | 33.52 KB | 0644 |
|
| v4l2-jpeg.h | File | 5.08 KB | 0644 |
|
| v4l2-mc.h | File | 7.78 KB | 0644 |
|
| v4l2-mediabus.h | File | 8.65 KB | 0644 |
|
| v4l2-mem2mem.h | File | 29.4 KB | 0644 |
|
| v4l2-rect.h | File | 5.71 KB | 0644 |
|
| v4l2-subdev.h | File | 73.22 KB | 0644 |
|
| videobuf-core.h | File | 6.81 KB | 0644 |
|
| videobuf-dma-contig.h | File | 909 B | 0644 |
|
| videobuf-dma-sg.h | File | 2.79 KB | 0644 |
|
| videobuf-vmalloc.h | File | 1.14 KB | 0644 |
|
| videobuf2-core.h | File | 51.92 KB | 0644 |
|
| videobuf2-dma-contig.h | File | 883 B | 0644 |
|
| videobuf2-dma-sg.h | File | 698 B | 0644 |
|
| videobuf2-dvb.h | File | 1.81 KB | 0644 |
|
| videobuf2-memops.h | File | 1.09 KB | 0644 |
|
| videobuf2-v4l2.h | File | 14.48 KB | 0644 |
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| videobuf2-vmalloc.h | File | 509 B | 0644 |
|
| vsp1.h | File | 3.57 KB | 0644 |
|