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/Linux-v6.6/Documentation/driver-api/media/
Dv4l2-core.rst9 v4l2-intro
10 v4l2-dev
11 v4l2-device
12 v4l2-fh
13 v4l2-subdev
14 v4l2-event
15 v4l2-controls
16 v4l2-videobuf
17 v4l2-videobuf2
18 v4l2-dv-timings
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Dv4l2-common.rst6 .. kernel-doc:: include/media/v4l2-common.h
8 .. kernel-doc:: include/media/v4l2-ioctl.h
/Linux-v6.6/drivers/media/v4l2-core/
DMakefile11 videodev-objs := v4l2-dev.o v4l2-ioctl.o v4l2-device.o v4l2-fh.o \
12 v4l2-event.o v4l2-subdev.o v4l2-common.o \
13 v4l2-ctrls-core.o v4l2-ctrls-api.o \
14 v4l2-ctrls-request.o v4l2-ctrls-defs.o
18 videodev-$(CONFIG_COMPAT) += v4l2-compat-ioctl32.o
19 videodev-$(CONFIG_MEDIA_CONTROLLER) += v4l2-mc.o
20 videodev-$(CONFIG_SPI) += v4l2-spi.o
21 videodev-$(CONFIG_TRACEPOINTS) += v4l2-trace.o
22 videodev-$(CONFIG_VIDEO_V4L2_I2C) += v4l2-i2c.o
27 obj-$(CONFIG_V4L2_ASYNC) += v4l2-async.o
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DKconfig39 # Used by drivers that need v4l2-jpeg.ko
43 # Used by drivers that need v4l2-h264.ko
47 # Used by drivers that need v4l2-vp9.ko
51 # Used by drivers that need v4l2-mem2mem.ko
/Linux-v6.6/drivers/media/usb/em28xx/
Dem28xx-video.c128 struct em28xx_v4l2 *v4l2 = dev->v4l2; in norm_maxw() local
131 return v4l2->sensor_xres; in norm_maxw()
141 struct em28xx_v4l2 *v4l2 = dev->v4l2; in norm_maxh() local
144 return v4l2->sensor_yres; in norm_maxh()
149 return (v4l2->norm & V4L2_STD_625_50) ? 576 : 480; in norm_maxh()
177 struct v4l2_device *v4l2_dev = &dev->v4l2->v4l2_dev; in em28xx_wake_i2c()
206 struct em28xx_v4l2 *v4l2 = dev->v4l2; in em28xx_set_outfmt() local
208 fmt = v4l2->format->reg; in em28xx_set_outfmt()
224 ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, v4l2->vinmode); in em28xx_set_outfmt()
228 vinctrl = v4l2->vinctl; in em28xx_set_outfmt()
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Dem28xx-camera.c304 struct em28xx_v4l2 *v4l2 = dev->v4l2; in em28xx_init_camera() local
316 v4l2->sensor_xres = 640; in em28xx_init_camera()
317 v4l2->sensor_yres = 480; in em28xx_init_camera()
330 v4l2->sensor_xtal = 4300000; in em28xx_init_camera()
331 pdata.xtal = v4l2->sensor_xtal; in em28xx_init_camera()
333 v4l2_i2c_new_subdev_board(&v4l2->v4l2_dev, adap, in em28xx_init_camera()
336 v4l2->vinmode = EM28XX_VINMODE_RGB8_GRBG; in em28xx_init_camera()
337 v4l2->vinctl = 0x00; in em28xx_init_camera()
342 v4l2->sensor_xres = 1280; in em28xx_init_camera()
343 v4l2->sensor_yres = 1024; in em28xx_init_camera()
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Dem28xx-vbi.c26 struct em28xx_v4l2 *v4l2 = dev->v4l2; in vbi_queue_setup() local
27 unsigned long size = v4l2->vbi_width * v4l2->vbi_height * 2; in vbi_queue_setup()
47 struct em28xx_v4l2 *v4l2 = dev->v4l2; in vbi_buffer_prepare() local
50 size = v4l2->vbi_width * v4l2->vbi_height * 2; in vbi_buffer_prepare()
/Linux-v6.6/drivers/gpu/drm/renesas/rcar-du/
Drcar_du_kms.c44 .v4l2 = V4L2_PIX_FMT_RGB565,
52 .v4l2 = V4L2_PIX_FMT_ARGB555,
60 .v4l2 = V4L2_PIX_FMT_XRGB555,
67 .v4l2 = V4L2_PIX_FMT_XBGR32,
75 .v4l2 = V4L2_PIX_FMT_ABGR32,
83 .v4l2 = V4L2_PIX_FMT_UYVY,
91 .v4l2 = V4L2_PIX_FMT_YUYV,
99 .v4l2 = V4L2_PIX_FMT_NV12M,
107 .v4l2 = V4L2_PIX_FMT_NV21M,
115 .v4l2 = V4L2_PIX_FMT_NV16M,
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/Linux-v6.6/Documentation/userspace-api/media/
Dvideodev2.h.rst.exceptions266 replace define V4L2_STD_PAL_B v4l2-std-id
267 replace define V4L2_STD_PAL_B1 v4l2-std-id
268 replace define V4L2_STD_PAL_G v4l2-std-id
269 replace define V4L2_STD_PAL_H v4l2-std-id
270 replace define V4L2_STD_PAL_I v4l2-std-id
271 replace define V4L2_STD_PAL_D v4l2-std-id
272 replace define V4L2_STD_PAL_D1 v4l2-std-id
273 replace define V4L2_STD_PAL_K v4l2-std-id
274 replace define V4L2_STD_PAL_M v4l2-std-id
275 replace define V4L2_STD_PAL_N v4l2-std-id
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/Linux-v6.6/drivers/media/common/v4l2-tpg/
DMakefile2 v4l2-tpg-objs := v4l2-tpg-core.o v4l2-tpg-colors.o
4 obj-$(CONFIG_VIDEO_V4L2_TPG) += v4l2-tpg.o
/Linux-v6.6/drivers/media/platform/sunxi/sun6i-csi/
Dsun6i_csi.c78 struct sun6i_csi_v4l2 *v4l2 = &csi_dev->v4l2; in sun6i_csi_v4l2_setup() local
79 struct media_device *media_dev = &v4l2->media_dev; in sun6i_csi_v4l2_setup()
80 struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev; in sun6i_csi_v4l2_setup()
124 struct sun6i_csi_v4l2 *v4l2 = &csi_dev->v4l2; in sun6i_csi_v4l2_cleanup() local
126 media_device_unregister(&v4l2->media_dev); in sun6i_csi_v4l2_cleanup()
127 v4l2_device_unregister(&v4l2->v4l2_dev); in sun6i_csi_v4l2_cleanup()
128 media_device_cleanup(&v4l2->media_dev); in sun6i_csi_v4l2_cleanup()
/Linux-v6.6/Documentation/admin-guide/media/
Dsi4713.rst34 The I2C device driver exports a v4l2-subdev interface to the kernel.
35 All properties can also be accessed by v4l2 extended controls interface, by
36 using the v4l2-subdev calls (g_ext_ctrls, s_ext_ctrls).
38 The platform device driver exports a v4l2 radio device interface to user land.
42 Applications can use v4l2 radio API to specify frequency of operation, mute state,
45 When the v4l2 mute property is set to 1 (true), the driver will turn the chip off.
50 The properties can be accessed using v4l2 extended controls.
51 Here is an output from v4l2-ctl util:
55 / # v4l2-ctl -d /dev/radio0 --all -L
184 Testing is usually done with v4l2-ctl utility for managing FM tuner cards.
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Drkisp1.rst105 :ref:`V4L2_META_FMT_RK_ISP1_STAT_3A <v4l2-meta-fmt-rk-isp1-stat-3a>` as the
119 :ref:`V4L2_META_FMT_RK_ISP1_PARAMS <v4l2-meta-fmt-rk-isp1-params>` as the
142 "media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"imx219 4-0010":0 [fmt:SRGGB10_1X10/1640x1232]'
145 …"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_isp":0 [fmt:SRGGB10_1X10/1640x1232 crop: …
146 …"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_isp":2 [fmt:YUYV8_2X8/1600x1200 crop: (0,…
149 …"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_resizer_selfpath":0 [fmt:YUYV8_2X8/1500x1…
150 …"media-ctl" "-d" "platform:rkisp1" "--set-v4l2" '"rkisp1_resizer_selfpath":1 [fmt:YUYV8_2X8/900x80…
153 "v4l2-ctl" "-z" "platform:rkisp1" "-d" "rkisp1_selfpath" "-v" "width=900,height=800,"
154 "v4l2-ctl" "-z" "platform:rkisp1" "-d" "rkisp1_selfpath" "-v" "pixelformat=422P"
157 v4l2-ctl "-z" "platform:rkisp1" "-d" "rkisp1_selfpath" "--stream-mmap" "--stream-count" "10"
Dvimc.rst31 ``v4l2-ctl`` that can be used to configure the vimc configuration. This sequence
41 v4l2-ctl -z platform:vimc -d "RGB/YUV Capture" -v width=300,height=700
42 v4l2-ctl -z platform:vimc -d "Raw Capture 0" -v pixelformat=BA81
71 v4l2-ctl -d /dev/v4l-subdev7 -C focus_absolute
/Linux-v6.6/drivers/staging/media/atomisp/
DTODO44 * Remove/disable custom v4l2-ctrls
48 * Remove abuse of priv field in various v4l2 userspace API structs
51 picture, the exposure/gain needs to be tuned using v4l2-ctl on the sensor
73 * Ensure that the driver will pass v4l2-compliance tests
75 * Fix not all v4l2 apps working, e.g. cheese does not work
87 now is using v4l2-ctl to select the input and gstreamer for streaming.
91 v4l2-ctl -i <input>
111 v4l2-ctl on the sensor subdev to tweak the exposure ctrl; or by using a GUI
112 app for v4l2-controls which also supports subdev such as the Fedora patched
/Linux-v6.6/drivers/staging/media/sunxi/sun6i-isp/
Dsun6i_isp.c187 struct sun6i_isp_v4l2 *v4l2 = &isp_dev->v4l2; in sun6i_isp_v4l2_setup() local
188 struct v4l2_device *v4l2_dev = &v4l2->v4l2_dev; in sun6i_isp_v4l2_setup()
189 struct media_device *media_dev = &v4l2->media_dev; in sun6i_isp_v4l2_setup()
230 struct sun6i_isp_v4l2 *v4l2 = &isp_dev->v4l2; in sun6i_isp_v4l2_cleanup() local
232 media_device_unregister(&v4l2->media_dev); in sun6i_isp_v4l2_cleanup()
233 v4l2_device_unregister(&v4l2->v4l2_dev); in sun6i_isp_v4l2_cleanup()
234 media_device_cleanup(&v4l2->media_dev); in sun6i_isp_v4l2_cleanup()
/Linux-v6.6/Documentation/userspace-api/media/v4l/
Dselections-common.rst9 :ref:`V4L2 subdev selection APIs <v4l2-subdev-selections>` are very
22 v4l2-selection-targets
23 v4l2-selection-flags
Dvidioc-subdev-enum-mbus-code.rst82 :ref:`v4l2-mbus-format`. Filled in by the driver.
86 :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
89 - See :ref:`v4l2-subdev-mbus-code-flags`
119 See :ref:`v4l2-mbus-format` on how to do this.
126 See :ref:`v4l2-mbus-format` on how to do this.
133 See :ref:`v4l2-mbus-format` on how to do this.
140 See :ref:`v4l2-mbus-format` on how to do this.
147 See :ref:`v4l2-mbus-format` on how to do this.
Dvidioc-subdev-g-selection.rst69 :ref:`v4l2-selections-common`.
83 :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
89 - Target selection rectangle. See :ref:`v4l2-selections-common`.
92 - Flags. See :ref:`v4l2-selection-flags`.
Dpixfmt.rst22 pixfmt-v4l2
23 pixfmt-v4l2-mplane
/Linux-v6.6/drivers/staging/vc04_services/bcm2835-camera/
DMakefile2 bcm2835-v4l2-$(CONFIG_VIDEO_BCM2835) := \
6 obj-$(CONFIG_VIDEO_BCM2835) += bcm2835-v4l2.o
/Linux-v6.6/drivers/media/pci/solo6x10/
DMakefile2 solo6x10-y := solo6x10-core.o solo6x10-i2c.o solo6x10-p2m.o solo6x10-v4l2.o \
4 solo6x10-v4l2-enc.o solo6x10-g723.o solo6x10-eeprom.o
/Linux-v6.6/Documentation/translations/zh_CN/video4linux/
Dv4l2-framework.txt96 每个设备实例都通过 v4l2_device (v4l2-device.h)结构体来表示。
216 统一接口，v4l2_subdev 结构体（v4l2-subdev.h）产生了。
379 控制。这个区别仅在配置设备时有关系，一旦子设备注册完成，对于 v4l2
435 由于这些驱动很常见，所以内特提供了特定的辅助函数(v4l2-common.h)让这些
528 在 /dev 目录下的实际设备节点根据 video_device 结构体(v4l2-dev.h)
668 通常你可以传入-1，让 v4l2 框架自己选择第一个空闲的编号。但是有时用户
677 而 v4l2 框架会试图选择第一个的空闲编号（等于或大于你提供的编号）。
774 v4l2 核心 API 提供了一个处理视频缓冲的标准方法(称为“videobuf”)。
780 请参阅 Documentation/driver-api/media/v4l2-videobuf.rst，以获得更多关于 videobuf
923 关于 replace/merge 回调的一个不错的例子在 v4l2-event.c 中：用于
/Linux-v6.6/drivers/input/rmi4/
Drmi_f54.c120 struct v4l2_device v4l2; member
699 strscpy(f54->v4l2.name, F54_NAME, sizeof(f54->v4l2.name)); in rmi_f54_probe()
700 ret = v4l2_device_register(&fn->dev, &f54->v4l2); in rmi_f54_probe()
718 f54->vdev.v4l2_dev = &f54->v4l2; in rmi_f54_probe()
733 v4l2_device_unregister(&f54->v4l2); in rmi_f54_probe()
745 v4l2_device_unregister(&f54->v4l2); in rmi_f54_remove()
/Linux-v6.6/drivers/media/usb/au0828/
DKconfig23 bool "Auvitek AU0828 v4l2 analog video support"
32 Choose Y here to include support for v4l2 analog video

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