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/linux/Documentation/admin-guide/media/
H A Dfaq.rst1 .. SPDX-License-Identifier: GPL-2.0
8 1. With Digital TV, a single physical channel may have different
10 This is what a TV user would call "channel". So, in order to
21 Some very frequently asked questions about Linux Digital TV support
28 is closed). The ``dvb-core`` module parameter ``dvb_shutdown_timeout``
32 2. How can I watch TV?
34 Together with the Linux Kernel, the Digital TV developers support
37 tools and are grouped together with the ``v4l-utils`` git repository:
39 https://git.linuxtv.org/v4l-utils.git/
48 for example the ``dvbv5-scan`` tool. You can find more information
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H A Dvivid.rst1 .. SPDX-License-Identifier: GPL-2.0
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
23 - Support for read()/write(), MMAP, USERPTR and DMABUF streaming I/O.
24 - A large list of test patterns and variations thereof
25 - Working brightness, contrast, saturation and hue controls
26 - Support for the alpha color component
27 - Full colorspace support, including limited/full RGB range
28 - All possible control types are present
29 - Support for various pixel aspect ratios and video aspect ratios
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H A Dbttv.rst1 .. SPDX-License-Identifier: GPL-2.0
8 ----------------------
12 ./scripts/config -e PCI
13 ./scripts/config -m I2C
14 ./scripts/config -m INPUT
15 ./scripts/config -m MEDIA_SUPPORT
16 ./scripts/config -e MEDIA_PCI_SUPPORT
17 ./scripts/config -e MEDIA_ANALOG_TV_SUPPORT
18 ./scripts/config -e MEDIA_DIGITAL_TV_SUPPORT
19 ./scripts/config -e MEDIA_RADIO_SUPPORT
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/linux/drivers/gpu/drm/i915/display/
H A Dintel_tv_regs.h1 /* SPDX-License-Identifier: MIT */
11 /* TV port control */
13 /* Enables the TV encoder */
15 /* Sources the TV encoder input from pipe B instead of A. */
41 /* Sets the colorburst to PAL mode. Required for non-M PAL modes. */
56 /* Read-only state that reports all features enabled */
58 /* Read-only state that reports that Macrovision is disabled in hardware*/
60 /* Read-only state that reports that TV-out is disabled in hardware. */
64 /* Encoder test pattern 1 - combo pattern */
66 /* Encoder test pattern 2 - full screen vertical 75% color bars */
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H A Dintel_sdvo_regs.h2 * Copyright © 2006-2007 Intel Corporation
94 * bits 4-5 of vsync offset, and 2 high bits of vsync width.
99 /* bits 6-7 of vsync offset at bits 6-7 */
177 * Sets the current set of active outputs.
180 * on multi-output devices.
195 * Sets the current mapping of SDVO inputs to outputs on the device.
326 /* 6 bytes of bit flags for TV formats shared by all TV format functions */
385 /* Returns the resolutiosn that can be used with the given TV format */
550 * The high fields are bits 8:9 of the 10-bit values.
619 /* Picture enhancement limits below are dependent on the current TV format,
H A Dintel_sdvo.c3 * Copyright © 2006-2007 Intel Corporation
66 #define IS_TV(c) ((c)->output_flag & SDVO_TV_MASK)
67 #define IS_TMDS(c) ((c)->output_flag & SDVO_TMDS_MASK)
68 #define IS_LVDS(c) ((c)->output_flag & SDVO_LVDS_MASK)
69 #define IS_TV_OR_LVDS(c) ((c)->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
70 #define IS_DIGITAL(c) ((c)->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
72 #define HAS_DDC(c) ((c)->output_flag & (SDVO_RGB_MASK | SDVO_TMDS_MASK | \
123 * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
134 /* This contains all current supported TV format */
139 /* add the property for the SDVO-TV */
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/linux/drivers/media/v4l2-core/
H A Dtuner-core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * i2c tv tuner chip device driver
8 * Copyright(c) 2005-2011 by Mauro Carvalho Chehab
9 * - Added support for a separate Radio tuner
10 * - Major rework and cleanups at the code
15 * handle both radio and analog TV tuning.
31 #include <media/tuner-types.h>
32 #include <media/v4l2-device.h>
33 #include <media/v4l2-ioctl.h>
39 #include "tuner-simple.h"
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/linux/include/media/
H A Dtuner-types.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 * enum param_type - type of the tuner pameters
13 * @TUNER_PARAM_TYPE_PAL: Tuner params are for PAL color TV standard
14 * @TUNER_PARAM_TYPE_SECAM: Tuner params are for SECAM color TV standard
15 * @TUNER_PARAM_TYPE_NTSC: Tuner params are for NTSC color TV standard
16 * @TUNER_PARAM_TYPE_DIGITAL: Tuner params are for digital TV
27 * struct tuner_range - define the frequencies supported by the tuner
30 * (TV) or 62.5 Hz (Radio), as defined by
54 * struct tuner_params - Parameters to be used to setup the tuner. Those
55 * are used by drivers/media/tuners/tuner-types.c in
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/linux/Documentation/userspace-api/media/dvb/
H A Dfe-get-property.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 FE_SET_PROPERTY - FE_GET_PROPERTY - FE_SET_PROPERTY sets one or more frontend properties. - FE_GET_…
38 All Digital TV frontend devices support the ``FE_SET_PROPERTY`` and
42 - ``FE_SET_PROPERTY:``
44 - This ioctl is used to set one or more frontend properties.
46 - This is the basic command to request the frontend to tune into
47 some frequency and to start decoding the digital TV signal.
49 - This call requires read/write access to the device.
57 - ``FE_GET_PROPERTY:``
59 - This ioctl is used to get properties and statistics from the
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H A Dfe_property_parameters.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
6 Digital TV property parameters
9 There are several different Digital TV parameters that can be used by
15 .. _DTV-UNDEFINED:
24 .. _DTV-TUNE:
33 .. _DTV-CLEAR:
42 .. _DTV-FREQUENCY:
47 Frequency of the digital TV transponder/channel.
57 of the transponder/channel. The exception is for ISDB-T, where
60 #. For ISDB-T, the channels are usually transmitted with an offset of
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H A Dfe-set-tone.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 FE_SET_TONE - Sets/resets the generation of the continuous 22kHz tone.
37 Usually, satellite antenna subsystems require that the digital TV device
39 dual-band LNBf. It is also used to send signals to DiSEqC equipment, but
52 On error -1 is returned, and the ``errno`` variable is set
56 :ref:`Generic Error Codes <gen-errors>` chapter.
/linux/include/linux/raid/
H A Dpq.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* -*- linux-c -*- ------------------------------------------------------- *
4 * Copyright 2003 H. Peter Anvin - All Rights Reserved
6 * ----------------------------------------------------------------------- */
76 int priority; /* Relative priority ranking if non-zero */
82 /* Various routine sets */
184 struct timeval tv; in raid6_jiffies() local
185 gettimeofday(&tv, NULL); in raid6_jiffies()
186 return tv.tv_sec*1000 + tv.tv_usec/1000; in raid6_jiffies()
/linux/Documentation/userspace-api/media/v4l/
H A Dext-ctrls-dv.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _dv-controls:
15 only exposed on the ``/dev/v4l-subdev*`` device node.
23 Identification Data, :ref:`vesaedid`) and HDCP (High-bandwidth Digital
33 .. _dv-control-id:
47 read-only control is applicable to DVI-D, HDMI and DisplayPort
51 Rx Sense is the detection of pull-ups on the TMDS clock lines. This
56 that pad will be 0. This read-only control is applicable to DVI-D
64 EDIDs, then the bit for that pad will be 0. This read-only control
65 is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors.
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H A Dvidioc-querycap.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_QUERYCAP - Query device capabilities
47 .. flat-table:: struct v4l2_capability
48 :header-rows: 0
49 :stub-columns: 0
52 * - __u8
53 - ``driver``\ [16]
54 - Name of the driver, a unique NUL-terminated ASCII string. For
62 sure the strings are properly NUL-terminated.
63 * - __u8
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/linux/Documentation/fb/
H A Dmodedb.rst9 - one routine to probe for video modes, which can be used by all frame buffer
11 - one generic video mode database with a fair amount of standard videomodes
13 - the possibility to supply your own mode database for graphics hardware that
14 needs non-standard modes, like amifb and Mac frame buffer drivers (which
23 <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
24 <name>[-<bpp>][@<refresh>]
31 - NSTC: 480i output, with the CCIR System-M TV mode and NTSC color encoding
32 - NTSC-J: 480i output, with the CCIR System-M TV mode, the NTSC color
34 - PAL: 576i output, with the CCIR System-B TV mode and PAL color encoding
35 - PAL-M: 480i output, with the CCIR System-M TV mode and PAL color encoding
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/linux/Documentation/userspace-api/media/cec/
H A Dcec-ioc-adap-g-log-addrs.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
15 CEC_ADAP_G_LOG_ADDRS, CEC_ADAP_S_LOG_ADDRS - Get or set the logical addresses
59 addresses have been claimed. If the file descriptor is in non-blocking mode then it will
62 A :ref:`CEC_EVENT_STATE_CHANGE <CEC-EVENT-STATE-CHANGE>` event is sent when the
74 .. flat-table:: struct cec_log_addrs
75 :header-rows: 0
76 :stub-columns: 0
79 * - __u8
80 - ``log_addr[CEC_MAX_LOG_ADDRS]``
81 - The actual logical addresses that were claimed. This is set by the
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/linux/Documentation/devicetree/bindings/display/samsung/
H A Dsamsung,exynos-hdmi.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/samsung/samsung,exynos-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Inki Dae <inki.dae@samsung.com>
11 - Seung-Woo Kim <sw0312.kim@samsung.com>
12 - Kyungmin Park <kyungmin.park@samsung.com>
13 - Krzysztof Kozlowski <krzk@kernel.org>
18 - samsung,exynos4210-hdmi
19 - samsung,exynos4212-hdmi
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/linux/include/uapi/linux/
H A Dmedia.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
89 * Digital TV, analog TV, radio and/or software defined radio tuner functions.
93 * may require the usage of separate I2C chips to decode analog TV signals,
94 * when the master/bridge chipset doesn't have its own TV standard decoder.
95 * On such cases, the IF-PLL staging is mapped via one or two entities:
101 * Analog TV IF-PLL decoder functions
172 * appears that sets this information, special attention
202 /* Sub-device specifications */
/linux/tools/testing/selftests/kvm/aarch64/
H A Darch_timer_edge_cases.c
/linux/drivers/gpu/drm/gma500/
H A Dpsb_intel_sdvo_regs.h2 * Copyright ? 2006-2007 Intel Corporation
83 * bits 4-5 of vsync offset, and 2 high bits of vsync width.
88 /** bits 6-7 of vsync offset at bits 6-7 */
166 * Sets the current set of active outputs.
169 * on multi-output devices.
184 * Sets the current mapping of SDVO inputs to outputs on the device.
315 /** 6 bytes of bit flags for TV formats shared by all TV format functions */
374 /** Returns the resolutiosn that can be used with the given TV format */
539 * The high fields are bits 8:9 of the 10-bit values.
608 /* Picture enhancement limits below are dependent on the current TV format,
/linux/arch/sh/boards/mach-dreamcast/
H A Drtc.c1 // SPDX-License-Identifier: GPL-2.0
21 /* The AICA RTC is represented by a 32-bit seconds counter stored in 2 16-bit
27 * aica_rtc_gettimeofday - Get the time from the AICA RTC
47 t = (u32)(val1 - TWENTY_YEARS); in aica_rtc_gettimeofday()
55 * aica_rtc_settimeofday - Set the AICA RTC to the current time
59 * Adjusts the given @tv to the AICA Epoch and sets the RTC seconds counter.
90 pdev = platform_device_register_data(NULL, "rtc-generic", -1, in aica_time_init()
/linux/include/drm/
H A Ddrm_connector.h58 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
62 * enum drm_connector_status - status for a &drm_connector
77 * nothing there. It is driver-dependent whether a connector with this
84 * flicker (like load-detection when the connector is in use), or when a
85 * hardware resource isn't available (like when load-detection needs a
95 * enum drm_connector_registration_state - userspace registration status for
128 * - An unregistered connector may only have its DPMS changed from
129 * On->Off. Once DPMS is changed to Off, it may not be switched back
131 * - Modesets are not allowed on unregistered connectors, unless they
135 * - Removing a CRTC from an unregistered connector is OK, but new
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/linux/drivers/gpu/drm/display/
H A Ddrm_scdc_helper.c17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
37 * HDMI 2.0 specification. It is a point-to-point protocol that allows the
44 * a TV).
58 * drm_scdc_read - read a block of data from SCDC
91 return -EPROTO; in drm_scdc_read()
98 * drm_scdc_write - write a block of data to SCDC
123 return -ENOMEM; in drm_scdc_write()
137 return -EPROTO; in drm_scdc_write()
144 * drm_scdc_get_scrambling_status - what is status of scrambling?
158 ret = drm_scdc_readb(connector->ddc, SCDC_SCRAMBLER_STATUS, &status); in drm_scdc_get_scrambling_status()
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/linux/drivers/media/usb/pvrusb2/
H A Dpvrusb2-hdw-internal.h1 /* SPDX-License-Identifier: GPL-2.0-only */
11 This header sets up all the internal structures and definitions needed to
16 private, internal header. This means that pvrusb2-hdw, pvrusb2-encoder,
17 etc will include this, but pvrusb2-v4l should not.
25 #include "pvrusb2-hdw.h"
26 #include "pvrusb2-io.h"
27 #include <media/v4l2-device.h>
28 #include <media/drv-intf/cx2341x.h>
29 #include <media/i2c/ir-kbd-i2c.h>
30 #include "pvrusb2-devattr.h"
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/linux/arch/arm64/boot/dts/allwinner/
H A Dsun50i-h6.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/clock/sun50i-h6-ccu.h>
6 #include <dt-bindings/clock/sun50i-h6-r-ccu.h>
7 #include <dt-bindings/clock/sun6i-rtc.h>
8 #include <dt-bindings/clock/sun8i-de2.h>
9 #include <dt-bindings/clock/sun8i-tcon-top.h>
10 #include <dt-bindings/reset/sun50i-h6-ccu.h>
11 #include <dt-bindings/reset/sun50i-h6-r-ccu.h>
12 #include <dt-bindings/reset/sun8i-de2.h>
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