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/Linux-v5.4/drivers/usb/gadget/function/
Duvc_video.c27 uvc_video_encode_header(struct uvc_video *video, struct uvc_buffer *buf, in uvc_video_encode_header() argument
31 data[1] = UVC_STREAM_EOH | video->fid; in uvc_video_encode_header()
33 if (buf->bytesused - video->queue.buf_used <= len - 2) in uvc_video_encode_header()
40 uvc_video_encode_data(struct uvc_video *video, struct uvc_buffer *buf, in uvc_video_encode_data() argument
43 struct uvc_video_queue *queue = &video->queue; in uvc_video_encode_data()
58 uvc_video_encode_bulk(struct usb_request *req, struct uvc_video *video, in uvc_video_encode_bulk() argument
62 int len = video->req_size; in uvc_video_encode_bulk()
66 if (video->payload_size == 0) { in uvc_video_encode_bulk()
67 ret = uvc_video_encode_header(video, buf, mem, len); in uvc_video_encode_bulk()
68 video->payload_size += ret; in uvc_video_encode_bulk()
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Duvc_v4l2.c82 struct uvc_video *video = &uvc->video; in uvc_v4l2_get_format() local
84 fmt->fmt.pix.pixelformat = video->fcc; in uvc_v4l2_get_format()
85 fmt->fmt.pix.width = video->width; in uvc_v4l2_get_format()
86 fmt->fmt.pix.height = video->height; in uvc_v4l2_get_format()
88 fmt->fmt.pix.bytesperline = video->bpp * video->width / 8; in uvc_v4l2_get_format()
89 fmt->fmt.pix.sizeimage = video->imagesize; in uvc_v4l2_get_format()
101 struct uvc_video *video = &uvc->video; in uvc_v4l2_set_format() local
122 video->fcc = format->fcc; in uvc_v4l2_set_format()
123 video->bpp = format->bpp; in uvc_v4l2_set_format()
124 video->width = fmt->fmt.pix.width; in uvc_v4l2_set_format()
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/Linux-v5.4/drivers/media/platform/
Daspeed-video.c402 static void aspeed_video_update(struct aspeed_video *video, u32 reg, u32 clear, in aspeed_video_update() argument
405 u32 t = readl(video->base + reg); in aspeed_video_update()
410 writel(t, video->base + reg); in aspeed_video_update()
411 dev_dbg(video->dev, "update %03x[%08x -> %08x]\n", reg, before, in aspeed_video_update()
412 readl(video->base + reg)); in aspeed_video_update()
415 static u32 aspeed_video_read(struct aspeed_video *video, u32 reg) in aspeed_video_read() argument
417 u32 t = readl(video->base + reg); in aspeed_video_read()
419 dev_dbg(video->dev, "read %03x[%08x]\n", reg, t); in aspeed_video_read()
423 static void aspeed_video_write(struct aspeed_video *video, u32 reg, u32 val) in aspeed_video_write() argument
425 writel(val, video->base + reg); in aspeed_video_write()
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/Linux-v5.4/drivers/media/platform/omap3isp/
Dispvideo.c140 static unsigned int isp_video_mbus_to_pix(const struct isp_video *video, in isp_video_mbus_to_pix() argument
166 if (video->bpl_max) in isp_video_mbus_to_pix()
167 bpl = clamp(bpl, min_bpl, video->bpl_max); in isp_video_mbus_to_pix()
171 if (!video->bpl_zero_padding || bpl != min_bpl) in isp_video_mbus_to_pix()
172 bpl = ALIGN(bpl, video->bpl_alignment); in isp_video_mbus_to_pix()
206 isp_video_remote_subdev(struct isp_video *video, u32 *pad) in isp_video_remote_subdev() argument
210 remote = media_entity_remote_pad(&video->pad); in isp_video_remote_subdev()
222 static int isp_video_get_graph_data(struct isp_video *video, in isp_video_get_graph_data() argument
226 struct media_entity *entity = &video->video.entity; in isp_video_get_graph_data()
248 if (entity == &video->video.entity) in isp_video_get_graph_data()
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Dispvideo.h136 #define isp_video_dmaqueue_flags_clr(video) \ argument
137 ({ (video)->dmaqueue_flags = 0; })
145 int(*queue)(struct isp_video *video, struct isp_buffer *buffer);
149 struct video_device video; member
180 #define to_isp_video(vdev) container_of(vdev, struct isp_video, video)
184 struct isp_video *video; member
194 int omap3isp_video_init(struct isp_video *video, const char *name);
195 void omap3isp_video_cleanup(struct isp_video *video);
196 int omap3isp_video_register(struct isp_video *video,
198 void omap3isp_video_unregister(struct isp_video *video);
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/Linux-v5.4/drivers/media/platform/sunxi/sun6i-csi/
Dsun6i_video.c76 sun6i_video_remote_subdev(struct sun6i_video *video, u32 *pad) in sun6i_video_remote_subdev() argument
80 remote = media_entity_remote_pad(&video->pad); in sun6i_video_remote_subdev()
97 struct sun6i_video *video = vb2_get_drv_priv(vq); in sun6i_video_queue_setup() local
98 unsigned int size = video->fmt.fmt.pix.sizeimage; in sun6i_video_queue_setup()
114 struct sun6i_video *video = vb2_get_drv_priv(vb->vb2_queue); in sun6i_video_buffer_prepare() local
115 unsigned long size = video->fmt.fmt.pix.sizeimage; in sun6i_video_buffer_prepare()
118 v4l2_err(video->vdev.v4l2_dev, "buffer too small (%lu < %lu)\n", in sun6i_video_buffer_prepare()
127 vbuf->field = video->fmt.fmt.pix.field; in sun6i_video_buffer_prepare()
134 struct sun6i_video *video = vb2_get_drv_priv(vq); in sun6i_video_start_streaming() local
142 video->sequence = 0; in sun6i_video_start_streaming()
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/Linux-v5.4/drivers/staging/media/omap4iss/
Diss_video.c116 static unsigned int iss_video_mbus_to_pix(const struct iss_video *video, in iss_video_mbus_to_pix() argument
144 if (video->bpl_max) in iss_video_mbus_to_pix()
145 bpl = clamp(bpl, min_bpl, video->bpl_max); in iss_video_mbus_to_pix()
149 if (!video->bpl_zero_padding || bpl != min_bpl) in iss_video_mbus_to_pix()
150 bpl = ALIGN(bpl, video->bpl_alignment); in iss_video_mbus_to_pix()
189 iss_video_remote_subdev(struct iss_video *video, u32 *pad) in iss_video_remote_subdev() argument
193 remote = media_entity_remote_pad(&video->pad); in iss_video_remote_subdev()
206 iss_video_far_end(struct iss_video *video) in iss_video_far_end() argument
209 struct media_entity *entity = &video->video.entity; in iss_video_far_end()
223 if (entity == &video->video.entity) in iss_video_far_end()
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Diss_video.h128 #define iss_video_dmaqueue_flags_clr(video) \ argument
129 ({ (video)->dmaqueue_flags = 0; })
137 int (*queue)(struct iss_video *video, struct iss_buffer *buffer);
141 struct video_device video; member
171 #define to_iss_video(vdev) container_of(vdev, struct iss_video, video)
175 struct iss_video *video; member
185 int omap4iss_video_init(struct iss_video *video, const char *name);
186 void omap4iss_video_cleanup(struct iss_video *video);
187 int omap4iss_video_register(struct iss_video *video,
189 void omap4iss_video_unregister(struct iss_video *video);
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/Linux-v5.4/drivers/media/platform/vsp1/
Dvsp1_video.c63 static int vsp1_video_verify_format(struct vsp1_video *video) in vsp1_video_verify_format() argument
69 subdev = vsp1_video_remote_subdev(&video->pad, &fmt.pad); in vsp1_video_verify_format()
78 if (video->rwpf->fmtinfo->mbus != fmt.format.code || in vsp1_video_verify_format()
79 video->rwpf->format.height != fmt.format.height || in vsp1_video_verify_format()
80 video->rwpf->format.width != fmt.format.width) in vsp1_video_verify_format()
86 static int __vsp1_video_try_format(struct vsp1_video *video, in __vsp1_video_try_format() argument
118 info = vsp1_get_format_info(video->vsp1, pix->pixelformat); in __vsp1_video_try_format()
120 info = vsp1_get_format_info(video->vsp1, VSP1_VIDEO_DEF_FORMAT); in __vsp1_video_try_format()
313 vsp1_video_complete_buffer(struct vsp1_video *video) in vsp1_video_complete_buffer() argument
315 struct vsp1_pipeline *pipe = video->rwpf->entity.pipe; in vsp1_video_complete_buffer()
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/Linux-v5.4/Documentation/media/uapi/dvb/
Dvideo_function_calls.rst19 video-fopen
20 video-fclose
21 video-fwrite
22 video-stop
23 video-play
24 video-freeze
25 video-continue
26 video-select-source
27 video-set-blank
28 video-get-status
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/Linux-v5.4/drivers/media/platform/qcom/camss/
Dcamss-video.c269 static struct v4l2_subdev *video_remote_subdev(struct camss_video *video, in video_remote_subdev() argument
274 remote = media_entity_remote_pad(&video->pad); in video_remote_subdev()
285 static int video_get_subdev_format(struct camss_video *video, in video_get_subdev_format() argument
293 subdev = video_remote_subdev(video, &pad); in video_get_subdev_format()
306 video->formats, video->nformats); in video_get_subdev_format()
310 format->type = video->type; in video_get_subdev_format()
313 &video->formats[ret], video->bpl_alignment); in video_get_subdev_format()
324 struct camss_video *video = vb2_get_drv_priv(q); in video_queue_setup() local
326 &video->active_fmt.fmt.pix_mp; in video_queue_setup()
351 struct camss_video *video = vb2_get_drv_priv(vb->vb2_queue); in video_buf_init() local
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/Linux-v5.4/drivers/acpi/
Dacpi_video.c207 struct acpi_video_bus *video; member
215 static void acpi_video_device_rebind(struct acpi_video_bus *video);
216 static void acpi_video_device_bind(struct acpi_video_bus *video,
218 static int acpi_video_device_enumerate(struct acpi_video_bus *video);
264 struct acpi_video_device *video = acpi_driver_data(device); in video_get_max_state() local
266 *state = video->brightness->count - ACPI_VIDEO_FIRST_LEVEL - 1; in video_get_max_state()
274 struct acpi_video_device *video = acpi_driver_data(device); in video_get_cur_state() local
278 if (acpi_video_device_lcd_get_level_current(video, &level, false)) in video_get_cur_state()
280 for (offset = ACPI_VIDEO_FIRST_LEVEL; offset < video->brightness->count; in video_get_cur_state()
282 if (level == video->brightness->levels[offset]) { in video_get_cur_state()
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/Linux-v5.4/Documentation/devicetree/bindings/media/xilinx/
Dvideo.txt1 DT bindings for Xilinx video IP cores
4 Xilinx video IP cores process video streams by acting as video sinks and/or
6 creating a video pipeline.
8 Each video IP core is represented by an AMBA bus child node in the device
10 cores are represented as defined in ../video-interfaces.txt.
13 tree using bindings documented in ./xlnx,video.txt.
18 The following properties are common to all Xilinx video IP cores.
20 - xlnx,video-format: This property represents a video format transmitted on an
21 AXI bus between video IP cores, using its VF code as defined in "AXI4-Stream
25 - xlnx,video-width: This property qualifies the video format with the sample
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Dxlnx,v-tpg.txt16 - clocks: Reference to the video core clock.
18 - xlnx,video-format, xlnx,video-width: Video format and width, as defined in
19 video.txt.
21 - port: Video port, using the DT bindings defined in ../video-interfaces.txt.
27 video timings for the TPG test patterns.
31 video timings.
53 xlnx,video-format = <XVIP_VF_YUV_422>;
54 xlnx,video-width = <8>;
63 xlnx,video-format = <XVIP_VF_YUV_422>;
64 xlnx,video-width = <8>;
Dxlnx,video.txt7 Xilinx video IP pipeline processes video streams through one or more Xilinx
8 video IP cores. Each video IP core is represented as documented in video.txt
11 mappings between DMAs and the video IP cores.
15 - compatible: Must be "xlnx,video".
22 - ports: Video port, using the DT bindings defined in ../video-interfaces.txt.
32 compatible = "xlnx,video";
/Linux-v5.4/drivers/staging/fbtft/
DREADME13 cd drivers/video/fbdev/fbtft
16 Add to drivers/video/fbdev/Kconfig: source "drivers/video/fbdev/fbtft/Kconfig"
17 Add to drivers/video/fbdev/Makefile: obj-y += fbtft/
20 cd drivers/video
23 Add to drivers/video/Kconfig: source "drivers/video/fbtft/Kconfig"
24 Add to drivers/video/Makefile: obj-y += fbtft/
/Linux-v5.4/Documentation/devicetree/bindings/media/
Dcedrus.txt9 - "allwinner,sun4i-a10-video-engine"
10 - "allwinner,sun5i-a13-video-engine"
11 - "allwinner,sun7i-a20-video-engine"
12 - "allwinner,sun8i-a33-video-engine"
13 - "allwinner,sun8i-h3-video-engine"
14 - "allwinner,sun50i-a64-video-engine"
15 - "allwinner,sun50i-h5-video-engine"
16 - "allwinner,sun50i-h6-video-engine"
46 video-codec@1c0e000 {
47 compatible = "allwinner,sun7i-a20-video-engine";
Dqcom,venus.txt1 * Qualcomm Venus video encoder/decoder accelerators
27 - "core" Core video accelerator clock
34 - "core" Core video accelerator clock
55 The Venus video-codec node must contain two subnodes representing
56 video-decoder and video-encoder, and one optional firmware subnode.
59 Every of video-encoder or video-decoder subnode should have:
74 - "core" Subcore video accelerator clock
91 video-codec@1d00000 {
103 video-decoder {
110 video-encoder {
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/Linux-v5.4/drivers/media/platform/exynos4-is/
Dfimc-isp-video.c82 struct fimc_is_video *video = &isp->video_capture; in isp_video_capture_start_streaming() local
94 dma->buffer_number = video->reqbufs_count; in isp_video_capture_start_streaming()
95 dma->dma_out_mask = video->buf_mask; in isp_video_capture_start_streaming()
97 isp_dbg(2, &video->ve.vdev, in isp_video_capture_start_streaming()
99 video->buf_count, video->format->memplanes, in isp_video_capture_start_streaming()
111 ret = fimc_pipeline_call(&video->ve, set_stream, 1); in isp_video_capture_start_streaming()
154 struct fimc_is_video *video = &isp->video_capture; in isp_video_capture_buffer_prepare() local
157 if (video->format == NULL) in isp_video_capture_buffer_prepare()
160 for (i = 0; i < video->format->memplanes; i++) { in isp_video_capture_buffer_prepare()
161 unsigned long size = video->pixfmt.plane_fmt[i].sizeimage; in isp_video_capture_buffer_prepare()
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/Linux-v5.4/drivers/media/platform/xilinx/
Dxilinx-dma.c105 entity = &dma->video.entity; in xvip_pipeline_start_stop()
118 ret = v4l2_subdev_call(subdev, video, s_stream, start); in xvip_pipeline_start_stop()
178 struct media_entity *entity = &start->video.entity; in xvip_pipeline_validate()
406 pipe = dma->video.entity.pipe in xvip_dma_start_streaming()
407 ? to_xvip_pipeline(&dma->video.entity) : &dma->pipe; in xvip_dma_start_streaming()
409 ret = media_pipeline_start(&dma->video.entity, &pipe->pipe); in xvip_dma_start_streaming()
435 media_pipeline_stop(&dma->video.entity); in xvip_dma_start_streaming()
452 struct xvip_pipeline *pipe = to_xvip_pipeline(&dma->video.entity); in xvip_dma_stop_streaming()
463 media_pipeline_stop(&dma->video.entity); in xvip_dma_stop_streaming()
498 strscpy(cap->card, dma->video.name, sizeof(cap->card)); in xvip_dma_querycap()
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/Linux-v5.4/drivers/media/pci/tw686x/
DKconfig3 tristate "Intersil/Techwell TW686x video capture cards"
13 - TW6864 (4 video channels),
14 - TW6865 (4 video channels, not tested, second generation chip),
15 - TW6868 (8 video channels but only 4 first channels using
16 built-in video decoder are supported, not tested),
17 - TW6869 (8 video channels, second generation chip).
/Linux-v5.4/Documentation/media/v4l-drivers/
Divtv.rst25 Open Source driver implementation for video capture cards based on the
31 * Hardware mpeg2 capture of broadcast video (and sound) via the tuner or
46 video signal)
47 * Provides a framebuffer (allowing X applications to appear on the video
71 Cards that don't have a video output capability (i.e. non PVR350 cards)
82 crw-rw---- 1 root video 81, 0 Jun 19 22:22 /dev/video0
83 crw-rw---- 1 root video 81, 16 Jun 19 22:22 /dev/video16
84 crw-rw---- 1 root video 81, 24 Jun 19 22:22 /dev/video24
85 crw-rw---- 1 root video 81, 32 Jun 19 22:22 /dev/video32
86 crw-rw---- 1 root video 81, 48 Jun 19 22:22 /dev/video48
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Dfimc.rst32 instance to any parallel video input or any MIPI-CSI front-end);
47 - camera capture video device driver
53 - video post-processor (mem-to-mem)
81 Memory-to-memory video node
84 V4L2 memory-to-memory interface at /dev/video? device node. This is standalone
85 video device, it has no media pads. However please note the mem-to-mem and
86 capture video node operation on same FIMC instance is not allowed. The driver
90 Capture video node
96 At the capture and mem-to-mem video nodes only the multi-planar API is
114 sensor subdev -> mipi-csi subdev -> fimc subdev -> video node
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/Linux-v5.4/Documentation/media/uapi/v4l/
Ddv-timings.rst16 The video standards discussed so far have been dealing with Analog TV
17 and the corresponding video timings. Today there are many more different
19 DVI connectors etc., that carry video signals and there is a need to
20 extend the API to select the video timings for these interfaces. Since
23 set/get video timings at the input and output.
25 These ioctls deal with the detailed digital video timings that define
26 each video format. This includes parameters such as the active video
40 the DV timings as seen by the video receiver applications use the
45 video ioctls can be used with the given input or output.
/Linux-v5.4/Documentation/media/uapi/mediactl/
Dmedia-types.rst101 - Camera video sensor entity.
110 - Analog video decoder, the basic function of the video decoder is
111 to accept analogue video from a wide variety of sources such as
112 broadcast, DVD players, cameras and video cassette recorders, in
115 some digital video standard, with appropriate timing signals.
121 internally IF-PLL decoders for audio and video, but older models
125 - IF-PLL video decoder. It receives the IF from a PLL and decodes
126 the analog TV video signal. This is commonly found on some very
136 tuner PLL and should be controlled together with the IF-PLL video
149 - Video composer (blender). An entity capable of video
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