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/linux-6.14.4/drivers/usb/gadget/function/
Duvc_video.c3 * uvc_video.c -- USB Video Class Gadget driver
14 #include <linux/usb/video.h>
25 * Video codecs
29 uvc_video_encode_header(struct uvc_video *video, struct uvc_buffer *buf, in uvc_video_encode_header() argument
32 struct uvc_device *uvc = container_of(video, struct uvc_device, video); in uvc_video_encode_header()
37 data[1] = UVC_STREAM_EOH | video->fid; in uvc_video_encode_header()
39 if (video->queue.flags & UVC_QUEUE_DROP_INCOMPLETE) in uvc_video_encode_header()
42 if (video->queue.buf_used == 0 && ts.tv_sec) { in uvc_video_encode_header()
66 if (buf->bytesused - video->queue.buf_used <= len - pos) in uvc_video_encode_header()
73 uvc_video_encode_data(struct uvc_video *video, struct uvc_buffer *buf, in uvc_video_encode_data() argument
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Duvc_v4l2.c3 * uvc_v4l2.c -- USB Video Class Gadget driver
149 struct uvc_video *video = &uvc->video; in find_closest_frame_by_size() local
184 uvcg_dbg(&video->uvc->func, "Unsupported size %ux%u\n", rw, rh); in find_closest_frame_by_size()
233 struct uvc_video *video = &uvc->video; in uvc_v4l2_get_format() local
235 fmt->fmt.pix.pixelformat = video->fcc; in uvc_v4l2_get_format()
236 fmt->fmt.pix.width = video->width; in uvc_v4l2_get_format()
237 fmt->fmt.pix.height = video->height; in uvc_v4l2_get_format()
239 fmt->fmt.pix.bytesperline = video->bpp * video->width / 8; in uvc_v4l2_get_format()
240 fmt->fmt.pix.sizeimage = video->imagesize; in uvc_v4l2_get_format()
252 struct uvc_video *video = &uvc->video; in uvc_v4l2_try_format() local
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/linux-6.14.4/drivers/media/platform/nuvoton/
Dnpcm-video.c3 * Driver for Video Capture/Differentiation Engine (VCD) and Encoding
39 #include <uapi/linux/npcm-video.h>
42 #define DEVICE_NAME "npcm-video"
68 * VIDEO_STREAMING: a flag indicating if the video has started streaming
71 * VIDEO_STOPPED: a flag indicating if the video has stopped streaming
210 static unsigned int npcm_video_ece_get_ed_size(struct npcm_video *video, in npcm_video_ece_get_ed_size() argument
213 struct regmap *ece = video->ece.regmap; in npcm_video_ece_get_ed_size()
222 dev_warn(video->dev, "Wait for ECE_DDA_STS_CDREADY timeout\n"); in npcm_video_ece_get_ed_size()
230 dev_dbg(video->dev, "offset = %u, ed_size = %u, gap = %u\n", offset, in npcm_video_ece_get_ed_size()
236 static void npcm_video_ece_enc_rect(struct npcm_video *video, in npcm_video_ece_enc_rect() argument
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/linux-6.14.4/drivers/media/platform/aspeed/
Daspeed-video.c35 #include <uapi/linux/aspeed-video.h>
39 #define DEVICE_NAME "aspeed-video"
267 * flags: holds the state of video
274 * format: holds the video format
279 * frame_bottom: end position of video data in vertical direction
280 * frame_left: start position of video data in horizontal direction
281 * frame_right: end position of video data in horizontal direction
282 * frame_top: start position of video data in vertical direction
491 static bool aspeed_video_alloc_buf(struct aspeed_video *video,
495 static void aspeed_video_free_buf(struct aspeed_video *video,
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/linux-6.14.4/drivers/media/platform/ti/omap3isp/
Dispvideo.c5 * TI OMAP3 ISP - Generic video node
129 * @video: ISP video instance
135 * per line value in the pix format and information from the video instance.
139 static unsigned int isp_video_mbus_to_pix(const struct isp_video *video, in isp_video_mbus_to_pix() argument
165 if (video->bpl_max) in isp_video_mbus_to_pix()
166 bpl = clamp(bpl, min_bpl, video->bpl_max); in isp_video_mbus_to_pix()
170 if (!video->bpl_zero_padding || bpl != min_bpl) in isp_video_mbus_to_pix()
171 bpl = ALIGN(bpl, video->bpl_alignment); in isp_video_mbus_to_pix()
205 isp_video_remote_subdev(struct isp_video *video, u32 *pad) in isp_video_remote_subdev() argument
209 remote = media_pad_remote_pad_first(&video->pad); in isp_video_remote_subdev()
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Dispvideo.h5 * TI OMAP3 ISP - Generic video node
60 /* The stream has been started on the input video node. */
62 /* The stream has been started on the output video node. */
64 /* At least one buffer is queued on the input video node. */
66 /* At least one buffer is queued on the output video node. */
123 * struct isp_buffer - ISP video buffer
143 #define isp_video_dmaqueue_flags_clr(video) \ argument
144 ({ (video)->dmaqueue_flags = 0; })
147 * struct isp_video_operations - ISP video operations
152 int(*queue)(struct isp_video *video, struct isp_buffer *buffer);
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/linux-6.14.4/drivers/staging/media/starfive/camss/
Dstf-video.c17 #include "stf-video.h"
30 video_g_fi_by_index(struct stfcamss_video *video, int index) in video_g_fi_by_index() argument
32 if (index >= video->nformats) in video_g_fi_by_index()
35 return &video->formats[index]; in video_g_fi_by_index()
39 video_g_fi_by_mcode(struct stfcamss_video *video, u32 mcode) in video_g_fi_by_mcode() argument
43 for (i = 0; i < video->nformats; i++) { in video_g_fi_by_mcode()
44 if (video->formats[i].code == mcode) in video_g_fi_by_mcode()
45 return &video->formats[i]; in video_g_fi_by_mcode()
52 video_g_fi_by_pfmt(struct stfcamss_video *video, u32 pixelformat) in video_g_fi_by_pfmt() argument
56 for (i = 0; i < video->nformats; i++) { in video_g_fi_by_pfmt()
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Dstf-capture.c58 static inline struct stf_capture *to_stf_capture(struct stfcamss_video *video) in to_stf_capture() argument
60 return container_of(video, struct stf_capture, video); in to_stf_capture()
76 static void stf_init_addrs(struct stfcamss_video *video) in stf_init_addrs() argument
78 struct stf_capture *cap = to_stf_capture(video); in stf_init_addrs()
91 stf_set_raw_addr(video->stfcamss, addr0); in stf_init_addrs()
93 stf_set_yuv_addr(video->stfcamss, addr0, addr1); in stf_init_addrs()
110 static void stf_cap_s_cfg(struct stfcamss_video *video) in stf_cap_s_cfg() argument
112 struct stf_capture *cap = to_stf_capture(video); in stf_cap_s_cfg()
130 stf_init_addrs(video); in stf_cap_s_cfg()
135 static int stf_cap_s_cleanup(struct stfcamss_video *video) in stf_cap_s_cleanup() argument
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/linux-6.14.4/drivers/media/platform/renesas/vsp1/
Dvsp1_video.c3 * vsp1_video.c -- R-Car VSP1 Video Node
63 static int vsp1_video_verify_format(struct vsp1_video *video) in vsp1_video_verify_format() argument
71 subdev = vsp1_video_remote_subdev(&video->pad, &fmt.pad); in vsp1_video_verify_format()
79 if (video->rwpf->fmtinfo->mbus != fmt.format.code || in vsp1_video_verify_format()
80 video->rwpf->format.height != fmt.format.height || in vsp1_video_verify_format()
81 video->rwpf->format.width != fmt.format.width) { in vsp1_video_verify_format()
82 dev_dbg(video->vsp1->dev, in vsp1_video_verify_format()
84 video->rwpf->fmtinfo->mbus, video->rwpf->format.width, in vsp1_video_verify_format()
85 video->rwpf->format.height, fmt.format.code, in vsp1_video_verify_format()
93 static int __vsp1_video_try_format(struct vsp1_video *video, in __vsp1_video_try_format() argument
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/linux-6.14.4/drivers/media/platform/qcom/camss/
Dcamss-video.c3 * camss-video.c
18 #include "camss-video.h"
67 static struct v4l2_subdev *video_remote_subdev(struct camss_video *video, in video_remote_subdev() argument
72 remote = media_pad_remote_pad_first(&video->pad); in video_remote_subdev()
83 static int video_get_subdev_format(struct camss_video *video, in video_get_subdev_format() argument
93 subdev = video_remote_subdev(video, &pad); in video_get_subdev_format()
104 video->formats, video->nformats); in video_get_subdev_format()
108 format->type = video->type; in video_get_subdev_format()
111 &video->formats[ret], video->bpl_alignment); in video_get_subdev_format()
115 * Video queue operations
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/linux-6.14.4/drivers/media/platform/nxp/imx8-isi/
Dimx8-isi-video.c494 struct mxc_isi_video *video = &pipe->video; in mxc_isi_video_frame_write_done() local
500 spin_lock(&video->buf_lock); in mxc_isi_video_frame_write_done()
560 buf = list_first_entry_or_null(&video->out_active, in mxc_isi_video_frame_write_done()
591 video->frame_count += 2; in mxc_isi_video_frame_write_done()
596 next_buf = list_first_entry_or_null(&video->out_pending, in mxc_isi_video_frame_write_done()
599 next_buf = list_first_entry_or_null(&video->out_discard, in mxc_isi_video_frame_write_done()
629 video->frame_count += 2; in mxc_isi_video_frame_write_done()
637 list_move_tail(&next_buf->list, &video->out_active); in mxc_isi_video_frame_write_done()
641 buf->v4l2_buf.sequence = video->frame_count; in mxc_isi_video_frame_write_done()
645 list_move_tail(&buf->list, &video->out_discard); in mxc_isi_video_frame_write_done()
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/linux-6.14.4/drivers/acpi/
Dacpi_video.c3 * video.c - ACPI Video Driver
10 #define pr_fmt(fmt) "ACPI: video: " fmt
28 #include <acpi/video.h>
31 #define ACPI_VIDEO_BUS_NAME "Video Bus"
32 #define ACPI_VIDEO_DEVICE_NAME "Video Device"
37 MODULE_DESCRIPTION("ACPI Video Driver");
44 * By default, we don't allow duplicate ACPI video bus devices
101 .name = "video",
111 u8 multihead:1; /* can switch video heads */
112 u8 rom:1; /* can retrieve a video rom */
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/linux-6.14.4/Documentation/userspace-api/media/mediactl/
Dmedia-types.rst34 .. _MEDIA-ENT-F-PROC-VIDEO-COMPOSER:
35 .. _MEDIA-ENT-F-PROC-VIDEO-PIXEL-FORMATTER:
36 .. _MEDIA-ENT-F-PROC-VIDEO-PIXEL-ENC-CONV:
37 .. _MEDIA-ENT-F-PROC-VIDEO-LUT:
38 .. _MEDIA-ENT-F-PROC-VIDEO-SCALER:
39 .. _MEDIA-ENT-F-PROC-VIDEO-STATISTICS:
40 .. _MEDIA-ENT-F-PROC-VIDEO-ENCODER:
41 .. _MEDIA-ENT-F-PROC-VIDEO-DECODER:
42 .. _MEDIA-ENT-F-PROC-VIDEO-ISP:
89 - Connector for a S-Video signal.
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/linux-6.14.4/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
22 Video IP and System Design Guide" [UG934]. How the format relates to the IP
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Dxlnx,v-tpg.txt1 Xilinx Video Test Pattern Generator (TPG)
16 - 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.
26 - xlnx,vtc: A phandle referencing the Video Timing Controller that generates
27 video timings for the TPG test patterns.
31 video timings.
53 xlnx,video-format = <XVIP_VF_YUV_422>;
54 xlnx,video-width = <8>;
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/linux-6.14.4/Documentation/userspace-api/media/v4l/
Ddv-timings.rst6 Digital Video (DV) Timings
9 The video standards discussed so far have been dealing with Analog TV
10 and the corresponding video timings. Today there are many more different
12 DVI connectors etc., that carry video signals and there is a need to
13 extend the API to select the video timings for these interfaces. Since
16 set/get video timings at the input and output.
18 These ioctls deal with the detailed digital video timings that define
19 each video format. This includes parameters such as the active video
33 the DV timings as seen by the video receiver applications use the
36 When the hardware detects a video source change (e.g. the video
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Dvidioc-g-fbuf.rst40 :ref:`Video Overlay <overlay>` or :ref:`Video Output Overlay <osd>`
47 destructive overlay copies captured video images into the video memory
48 of a graphics card. A non-destructive overlay blends video images into a
49 VGA signal or graphics into a video signal. *Video Output Overlays* are
60 To set the parameters for a *Video Output Overlay*, applications must
69 To set the parameters for a *Video Capture Overlay*
103 For *Video Output Overlays*
106 :ref:`osd`). For *Video Capture Overlays* this field will always be
127 - For *non-destructive Video Overlays* this field only defines a
133 - For *Video Output Overlays* the driver must return a valid
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/linux-6.14.4/Documentation/devicetree/bindings/media/
Dallwinner,sun4i-a10-video-engine.yaml4 $id: http://devicetree.org/schemas/media/allwinner,sun4i-a10-video-engine.yaml#
7 title: Allwinner A10 Video Engine
16 - allwinner,sun4i-a10-video-engine
17 - allwinner,sun5i-a13-video-engine
18 - allwinner,sun7i-a20-video-engine
19 - allwinner,sun8i-a33-video-engine
20 - allwinner,sun8i-h3-video-engine
21 - allwinner,sun8i-v3s-video-engine
22 - allwinner,sun8i-r40-video-engine
23 - allwinner,sun20i-d1-video-engine
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/linux-6.14.4/Documentation/devicetree/bindings/phy/
Dsamsung,mipi-video-phy.yaml4 $id: http://devicetree.org/schemas/phy/samsung,mipi-video-phy.yaml#
15 For samsung,s5pv210-mipi-video-phy compatible PHYs the second cell in the
22 samsung,exynos5420-mipi-video-phy and samsung,exynos5433-mipi-video-phy
29 - samsung,s5pv210-mipi-video-phy
30 - samsung,exynos5420-mipi-video-phy
31 - samsung,exynos5433-mipi-video-phy
41 samsung,s5pv210-mipi-video-phy and samsung,exynos5420-mipi-video-phy (if
49 samsung,exynos5433-mipi-video-phy (if not a child of PMU).
55 samsung,exynos5433-mipi-video-phy.
61 samsung,exynos5433-mipi-video-phy.
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/linux-6.14.4/drivers/media/pci/mgb4/
Dmgb4_vout.c7 * and creates the v4l2 video devices.
63 struct mgb4_regs *video = &voutdev->mgbdev->video; in get_timings() local
66 u32 hsync = mgb4_read_reg(video, regs->hsync); in get_timings()
67 u32 vsync = mgb4_read_reg(video, regs->vsync); in get_timings()
68 u32 resolution = mgb4_read_reg(video, regs->resolution); in get_timings()
106 struct mgb4_regs *video = &voutdev->mgbdev->video; in queue_setup() local
107 u32 config = mgb4_read_reg(video, voutdev->config->regs.config); in queue_setup()
142 struct mgb4_regs *video = &voutdev->mgbdev->video; in buffer_prepare() local
143 u32 config = mgb4_read_reg(video, voutdev->config->regs.config); in buffer_prepare()
180 mgb4_mask_reg(&mgbdev->video, voutdev->config->regs.config, 0x2, 0x0); in stop_streaming()
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Dmgb4_vin.c7 * and creates the v4l2 video devices. The input signal can change at any time
84 * Returns the video output connected with the given video input if the input
96 config = mgb4_read_reg(&voutdev->mgbdev->video, in loopback_dev()
121 * input when the video input is set to loopback mode. The paddings must be
126 struct mgb4_regs *video = &vindev->mgbdev->video; in set_loopback_padding() local
133 mgb4_write_reg(video, voutdev->config->regs.padding, in set_loopback_padding()
141 struct mgb4_regs *video = &vindev->mgbdev->video; in get_timings() local
144 u32 status = mgb4_read_reg(video, regs->status); in get_timings()
145 u32 pclk = mgb4_read_reg(video, regs->pclk); in get_timings()
146 u32 hsync = mgb4_read_reg(video, regs->hsync); in get_timings()
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/linux-6.14.4/Documentation/fb/
Duvesafb.rst2 uvesafb - A Generic Driver for VBE2+ compliant video cards
8 uvesafb should work with any video card that has a Video BIOS compliant
12 v86d. v86d is used to run the x86 Video BIOS code in a simulated and
32 uvesafb is a _generic_ driver which supports a wide variety of video
33 cards, but which is ultimately limited by the Video BIOS interface.
37 - A strict and limited set of supported video modes. Often the native
39 with uvesafb, simply because the Video BIOS doesn't support the
40 video mode you want to use. This can be especially painful with
41 widescreen panels, where native video modes don't have the 4:3 aspect
44 Video BIOS. Note that many nVidia Video BIOS-es claim to be VBE 3.0
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/linux-6.14.4/Documentation/admin-guide/media/
Dplatform-cardlist.rst18 aspeed-video Aspeed AST2400 and AST2500
27 dm355_ccdc TI DM355 CCDC video capture
28 dm644x_ccdc TI DM6446 CCDC video capture
34 isdf TI DM365 ISIF video capture
38 mtk-vcodec-dec Mediatek Video Codec
39 mtk-vpu Mediatek Video Processor Unit
50 rcar-vin R-Car Video Input (VIN)
58 s5p-mfc Samsung S5P MFC Video Codec
59 sh_veu SuperH VEU mem2mem video processing
60 sh_vou SuperH VOU video output
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Dvivid.rst3 The Virtual Video Test Driver (vivid)
6 This driver emulates video4linux hardware of various types: video capture, video
13 Each input can be a webcam, TV capture device, S-Video capture device or an HDMI
14 capture device. Each output can be an S-Video output device or an HDMI output
29 - Support for various pixel aspect ratios and video aspect ratios
47 By default the driver will create a single instance that has a video capture
48 device with webcam, TV, S-Video and HDMI inputs, a video output device with
49 S-Video and HDMI outputs, one vbi capture device, one vbi output device, one
52 The number of instances, devices, video inputs and outputs and their types are
66 - bit 0: Video Capture node
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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
32 S-Video/Composite and audio line-in.
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
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