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/linux-6.12.1/Documentation/userspace-api/media/v4l/
Dext-ctrls-camera.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _camera-controls:
6 Camera Control Reference
9 The Camera class includes controls for mechanical (or equivalent
13 .. _camera-control-id:
15 Camera Control IDs
19 The Camera class descriptor. Calling
23 .. _v4l2-exposure-auto-type:
28 enum v4l2_exposure_auto_type -
37 .. flat-table::
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Dmetafmt-pisp-be.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. _v4l2-meta-fmt-rpi-be-cfg:
12 The Raspberry Pi PiSP Back End memory-to-memory image signal processor is
14 to the `pispbe-config` output video device node using the
22 <https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_
27 -------------------------
31 for example, LSC (Lens Shading Correction) or Denoise parameters would be common
38 ---------------
54 <https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf>`_.
56 .. kernel-doc:: include/uapi/linux/media/raspberrypi/pisp_be_config.h
/linux-6.12.1/drivers/media/i2c/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
8 comment "IR I2C driver auto-selected by 'Autoselect ancillary drivers'"
25 # V4L2 I2C drivers that are related with Camera support
29 bool "Camera sensor devices"
45 tristate "Allied Vision ALVIUM MIPI CSI-2 camera support"
48 This is a Video4Linux2 sensor-level driver for the Allied Vision
49 ALVIUM camera connected via MIPI CSI-2 interface.
52 module will be called alvium-csi2.
58 AR0521 camera.
68 GC0308 camera.
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Dad5820.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * AD5820 DAC driver for camera voice coil focus.
24 #include <media/v4l2-ctrls.h>
25 #include <media/v4l2-device.h>
26 #include <media/v4l2-subdev.h>
34 #define CODE_TO_RAMP_US(s) ((s) == 0 ? 0 : (1 << ((s) - 1)) * 50)
59 struct i2c_client *client = v4l2_get_subdevdata(&coil->subdev); in ad5820_write()
64 if (!client->adapter) in ad5820_write()
65 return -ENODEV; in ad5820_write()
68 msg.addr = client->addr; in ad5820_write()
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Dov772x.c1 // SPDX-License-Identifier: GPL-2.0
3 * ov772x Camera Driver
12 * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
26 #include <linux/v4l2-mediabus.h>
31 #include <media/v4l2-ctrls.h>
32 #include <media/v4l2-device.h>
33 #include <media/v4l2-event.h>
34 #include <media/v4l2-fwnode.h>
35 #include <media/v4l2-image-sizes.h>
36 #include <media/v4l2-subdev.h>
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/linux-6.12.1/Documentation/devicetree/bindings/media/
Dvideo-interface-devices.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/video-interface-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo@jmondi.org>
11 - Sakari Ailus <sakari.ailus@linux.intel.com>
14 flash-leds:
15 $ref: /schemas/types.yaml#/definitions/phandle-array
17 An array of phandles, each referring to a flash LED, a sub-node of the LED
20 lens-focus:
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Dsamsung,s5c73m3.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung S5C73M3 8Mp camera ISP
10 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
14 The S5C73M3 camera ISP supports MIPI CSI-2 and parallel (ITU-R BT.656)
31 clock-names:
33 - const: cis_extclk
35 clock-frequency:
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/linux-6.12.1/Documentation/devicetree/bindings/media/i2c/
Dasahi-kasei,ak7375.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/i2c/asahi-kasei,ak7375.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Asahi Kasei Microdevices AK7375 voice coil lens actuator
10 - Tianshu Qiu <tian.shu.qiu@intel.com>
13 AK7375 is a voice coil motor (VCM) camera lens actuator that
19 - asahi-kasei,ak7345
20 - asahi-kasei,ak7375
25 vdd-supply:
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Ddongwoon,dw9714.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Dongwoon Anatech DW9714 camera voice coil lens driver
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 DW9174 is a 10-bit DAC with current sink capability. It is intended for
14 driving voice coil lenses in camera modules.
23 powerdown-gpios:
27 vcc-supply:
31 - compatible
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Dmipi-ccs.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (C) 2014--2020 Intel Corporation
4 ---
5 $id: http://devicetree.org/schemas/media/i2c/mipi-ccs.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: MIPI CCS, SMIA++ and SMIA compliant camera sensors
11 - Sakari Ailus <sakari.ailus@linux.intel.com>
15 CCS (Camera Command Set) is a raw Bayer camera sensor standard defined by the
17 <URL:https://www.mipi.org/specifications/camera-command-set>.
24 Documentation/devicetree/bindings/media/video-interfaces.txt .
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Ddongwoon,dw9768.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Dongwoon Anatech DW9768 Voice Coil Motor (VCM) Lens
11 - Dongchun Zhu <dongchun.zhu@mediatek.com>
13 description: |-
14 The Dongwoon DW9768 is a single 10-bit digital-to-analog (DAC) converter
16 a linear mode driver. The DAC is controlled via a 2-wire (I2C-compatible)
19 driving voice coil lenses in camera modules.
24 - dongwoon,dw9768 # for DW9768 VCM
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Dsony,imx214.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Sony 1/3.06-Inch 13.13MP CMOS Digital Image Sensor
10 - Ricardo Ribalda <ribalda@kernel.org>
13 The Sony IMX214 is a 1/3.06-inch CMOS active pixel digital image sensor with
15 interface. Image data is sent through MIPI CSI-2, through 2 or 4 lanes at a
19 - $ref: /schemas/media/video-interface-devices.yaml#
27 - 0x10
28 - 0x1a
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Dtoshiba,et8ek8.txt6 Documentation/devicetree/bindings/media/video-interfaces.txt .
10 --------------------
12 - compatible: "toshiba,et8ek8"
13 - reg: I2C address (0x3e, or an alternative address)
14 - vana-supply: Analogue voltage supply (VANA), 2.8 volts
15 - clocks: External clock to the sensor
16 - clock-frequency: Frequency of the external clock to the sensor. Camera
18 a pre-determined frequency known to be suitable to the board.
19 - reset-gpios: XSHUTDOWN GPIO. The XSHUTDOWN signal is active low. The sensor
24 -------------------
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Dovti,ov9282.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Paul J. Murphy <paul.j.murphy@intel.com>
12 - Daniele Alessandrelli <daniele.alessandrelli@intel.com>
18 sheet. Image data is sent through MIPI CSI-2.
19 OV9281 has a different lens chief ray angle.
24 - ovti,ov9281
25 - ovti,ov9282
30 assigned-clocks: true
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Dsony,imx415.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Riesch <michael.riesch@wolfvision.net>
12 description: |-
14 solid-state image sensor with a square pixel array and 8.46 M effective
18 available via CSI-2 serial data output (two or four lanes).
21 - $ref: /schemas/media/video-interface-devices.yaml#
34 avdd-supply:
37 dvdd-supply:
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/linux-6.12.1/Documentation/userspace-api/media/mediactl/
Dmedia-controller-model.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _media-controller-model:
14 - An **entity** is a basic media hardware or software building block.
17 hardware devices (a building block in a System-on-Chip image
20 - An **interface** is a graph representation of a Linux Kernel
24 - A **pad** is a data connection endpoint through which an entity can
30 - A **data link** is a point-to-point oriented connection between two
34 - An **interface link** is a point-to-point bidirectional control
37 - An **ancillary link** is a point-to-point connection denoting that two
39 fact that a particular camera sensor and lens controller form a single
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Dmedia-types.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _media-controller-types:
10 .. _media-entity-functions:
11 .. _MEDIA-ENT-F-UNKNOWN:
12 .. _MEDIA-ENT-F-V4L2-SUBDEV-UNKNOWN:
13 .. _MEDIA-ENT-F-IO-V4L:
14 .. _MEDIA-ENT-F-IO-VBI:
15 .. _MEDIA-ENT-F-IO-SWRADIO:
16 .. _MEDIA-ENT-F-IO-DTV:
17 .. _MEDIA-ENT-F-DTV-DEMOD:
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/linux-6.12.1/Documentation/userspace-api/media/drivers/
Dthp7312.rst1 .. SPDX-License-Identifier: GPL-2.0-only
6 The THP7312 driver implements the following driver-specific controls:
9 Enable/Disable auto-adjustment, based on lighting conditions, of the frame
10 rate when auto-exposure is enabled.
13 Set method of auto-focus. Only takes effect when auto-focus is enabled.
15 .. flat-table::
16 :header-rows: 0
17 :stub-columns: 0
20 * - ``0``
21 - Contrast-based auto-focus
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Dccs.rst1 .. SPDX-License-Identifier: GPL-2.0-only
5 .. _media-ccs-uapi:
7 MIPI CCS camera sensor driver
10 The MIPI CCS camera sensor driver is a generic driver for `MIPI CCS
11 <https://www.mipi.org/specifications/camera-command-set>`_ compliant
12 camera sensors. It exposes three sub-devices representing the pixel array,
18 Also see :ref:`the CCS driver kernel documentation <media-ccs-driver>`.
20 Pixel Array sub-device
21 ----------------------
23 The pixel array sub-device represents the camera sensor's pixel matrix, as well
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/linux-6.12.1/drivers/staging/media/atomisp/pci/isp/kernels/sc/sc_1.0/
Dia_css_sc_types.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Support for Intel Camera Imaging ISP subsystem.
20 * CSS-API header file for Lens Shading Correction (SC) parameters.
30 IA_CSS_SC_COLOR_GR, /** Green on a green-red line */
33 IA_CSS_SC_COLOR_GB /** Green on a green-blue line */
36 /* Lens Shading Correction table.
39 * introduced by lens imperfections. To correct artefacts,
42 *------------ deprecated(bz675) : from ---------------------------
60 *------------ deprecated(bz675) : to ---------------------------
69 /* ------ deprecated(bz675) : from ------ */
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/linux-6.12.1/Documentation/admin-guide/media/
Di2c-cardlist.rst1 .. SPDX-License-Identifier: GPL-2.0
6 The I²C (Inter-Integrated Circuit) bus is a three-wires bus used internally
23 -------------------------------------
32 sony-btf-mpx Sony BTF's internal MPX
47 -----------------------------
52 saa6752hs Philips SAA6752HS MPEG-2 Audio/Video Encoder
55 Camera sensor devices
56 ---------------------
61 ccs MIPI CCS compliant camera sensors (also SMIA++ and SMIA)
62 et8ek8 ET8EK8 camera sensor
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Dipu3.rst1 .. SPDX-License-Identifier: GPL-2.0
24 ImgU). The CIO2 driver is available as drivers/media/pci/intel/ipu3/ipu3-cio2*
36 Both of the drivers implement V4L2, Media Controller and V4L2 sub-device
37 interfaces. The IPU3 CIO2 driver supports camera sensors connected to the CIO2
38 MIPI CSI-2 interfaces through V4L2 sub-device sensor drivers.
44 interface to the user space. There is a video node for each CSI-2 receiver,
47 The CIO2 contains four independent capture channel, each with its own MIPI CSI-2
48 receiver and DMA engine. Each channel is modelled as a V4L2 sub-device exposed
49 to userspace as a V4L2 sub-device node and has two pads:
53 .. flat-table::
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/linux-6.12.1/Documentation/userspace-api/media/
Dglossary.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
58 **Field-programmable Gate Array**
63 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
72 together make a larger user-facing functional peripheral. For
74 and the external camera sensors together make a camera hardware
80 **Inter-Integrated Circuit**
82 A multi-master, multi-slave, packet switched, single-ended,
84 like sub-device hardware components.
86 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
111 processing image data. ISPs may implement algorithms for lens
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/linux-6.12.1/drivers/media/usb/gspca/
Dstk1135.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 MODULE_DESCRIPTION("Syntek STK1135 USB Camera Driver");
45 /* -- read a register -- */
48 struct usb_device *dev = gspca_dev->dev; in reg_r()
51 if (gspca_dev->usb_err < 0) in reg_r()
58 gspca_dev->usb_buf, 1, in reg_r()
62 index, gspca_dev->usb_buf[0]); in reg_r()
65 gspca_dev->usb_err = ret; in reg_r()
69 return gspca_dev->usb_buf[0]; in reg_r()
72 /* -- write a register -- */
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/linux-6.12.1/arch/arm/boot/dts/ti/omap/
Domap3-n900.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2013-2014 Aaro Koskinen <aaro.koskinen@iki.fi>
7 /dts-v1/;
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/media/video-interfaces.h>
15 * Default secure signed bootloader (Nokia X-Loader) does not enable L3 firewall
17 * blocks then kernel receive "Unhandled fault: external abort on non-linefetch"
18 * and crash. Until somebody fix omap-aes.c and omap_hwmod_3xxx_data.c code (no
34 compatible = "nokia,omap3-n900", "ti,omap3430", "ti,omap3";
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