# SPDX-License-Identifier: GPL-2.0-only
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#
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# Multimedia device configuration
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#
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#
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# NOTE: CEC and Remote Controller support should not depend on MEDIA_SUPPORT
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#
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source "drivers/media/rc/Kconfig"
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source "drivers/media/cec/Kconfig"
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menuconfig MEDIA_SUPPORT
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tristate "Multimedia support"
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depends on HAS_IOMEM
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help
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If you want to use media devices, including Webcams, Video grabber
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devices and/or TV devices, V4L2 codecs, etc, enable this option
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and other options below.
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Additional info and docs are available on the web at
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<https://linuxtv.org>
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if MEDIA_SUPPORT
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config MEDIA_SUPPORT_FILTER
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bool "Filter media drivers"
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depends on MEDIA_SUPPORT
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default y if !EMBEDDED && !EXPERT
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help
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Configuring the media subsystem can be complex, as there are
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hundreds of drivers and other config options.
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This menu offers option that will help the Kernel's config
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system to hide drivers that are out of the scope of the
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user needs, and disabling core support for unused APIs.
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If not selected, all non-optional media core functionality
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needed to support media drivers will be enabled. Also, all
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media device drivers should be shown.
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config MEDIA_SUBDRV_AUTOSELECT
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bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)"
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depends on HAS_IOMEM
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select I2C
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select I2C_MUX
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default y if MEDIA_SUPPORT_FILTER
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help
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By default, a media driver auto-selects all possible ancillary
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devices such as tuners, sensors, video encoders/decoders and
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frontends, that are used by any of the supported devices.
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This is generally the right thing to do, except when there
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are strict constraints with regards to the kernel size,
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like on embedded systems.
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Use this option with care, as deselecting ancillary drivers which
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are, in fact, necessary will result in the lack of the needed
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functionality for your device (it may not tune or may not have
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the needed demodulators).
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If unsure say Y.
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menu "Media device types"
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#
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# Multimedia support - automatically enable V4L2 and DVB core
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#
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config MEDIA_CAMERA_SUPPORT
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bool "Cameras and video grabbers"
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default y if !MEDIA_SUPPORT_FILTER
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help
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Enable support for webcams and video grabbers.
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Say Y when you have a webcam or a video capture grabber board.
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config MEDIA_ANALOG_TV_SUPPORT
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bool "Analog TV"
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default y if !MEDIA_SUPPORT_FILTER
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help
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Enable analog TV support.
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Say Y when you have a TV board with analog support or with a
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hybrid analog/digital TV chipset.
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Note: There are several DVB cards that are based on chips that
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support both analog and digital TV. Disabling this option
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will disable support for them.
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config MEDIA_DIGITAL_TV_SUPPORT
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tristate "Digital TV"
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default y if !MEDIA_SUPPORT_FILTER
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help
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Enable digital TV support.
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Say Y when you have a board with digital support or a board with
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hybrid digital TV and analog TV.
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config MEDIA_RADIO_SUPPORT
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bool "AM/FM radio receivers/transmitters"
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default y if !MEDIA_SUPPORT_FILTER
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help
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Enable AM/FM radio support.
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Additional info and docs are available on the web at
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<https://linuxtv.org>
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Say Y when you have a board with radio support.
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Note: There are several TV cards that are based on chips that
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support radio reception. Disabling this option will
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disable support for them.
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config MEDIA_SDR_SUPPORT
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bool "Software defined radio"
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default y if !MEDIA_SUPPORT_FILTER
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help
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Enable software defined radio support.
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Say Y when you have a software defined radio device.
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config MEDIA_PLATFORM_SUPPORT
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bool "Platform-specific devices"
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default y if !MEDIA_SUPPORT_FILTER
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help
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Enable support for complex cameras, codecs, and other hardware
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that are integrated at the CPU, GPU or on Image Signalling Processor
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and don't use PCI, USB or Firewire buses.
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This is found on Embedded hardware (SoC), on V4L2 codecs and
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on some GPU and newer CPU chipsets.
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Say Y when you want to be able so see such devices.
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config MEDIA_TEST_SUPPORT
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bool "Test drivers"
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default y if !MEDIA_SUPPORT_FILTER
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help
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These drivers should not be used on production kernels, but
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can be useful on debug ones. This option enables several dummy drivers
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that simulate real hardware. Very useful to test userspace
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applications and to validate if the subsystem core doesn't
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have regressions.
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Say Y if you want to use some virtual test driver.
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In case of doubts, say N.
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Say Y when you have a software defined radio device.
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endmenu # media device types
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menu "Media core support"
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visible if !MEDIA_SUPPORT_FILTER
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config VIDEO_DEV
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tristate "Video4Linux core"
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default MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT || MEDIA_PLATFORM_SUPPORT || MEDIA_TEST_SUPPORT
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help
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Enables the V4L2 API, used by cameras, analog TV, video grabbers,
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radio devices and by some input devices.
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config MEDIA_CONTROLLER
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bool "Media Controller API"
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default MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_PLATFORM_SUPPORT
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help
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Enable the media controller API used to query media devices internal
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topology and configure it dynamically.
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This API is mostly used by camera interfaces in embedded platforms.
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#
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# DVB Core
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# Only enables if one of DTV is selected
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#
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config DVB_CORE
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tristate
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depends on MEDIA_DIGITAL_TV_SUPPORT
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depends on (I2C || I2C=n)
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default MEDIA_DIGITAL_TV_SUPPORT
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select CRC32
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help
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Enables the DVB API, used by Digital TV devices. Supports several
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standards, including DVB, ATSC, ISDB and CMDB.
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endmenu # Media core support
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#
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# Extra per-media API core functionality
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menu "Video4Linux options"
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visible if VIDEO_DEV
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source "drivers/media/v4l2-core/Kconfig"
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endmenu
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menu "Media controller options"
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visible if MEDIA_CONTROLLER
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source "drivers/media/mc/Kconfig"
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endmenu
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menu "Digital TV options"
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visible if DVB_CORE
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source "drivers/media/dvb-core/Kconfig"
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endmenu
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menu "Media drivers"
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comment "Drivers filtered as selected at 'Filter media drivers'"
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depends on MEDIA_SUPPORT_FILTER
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source "drivers/media/usb/Kconfig"
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source "drivers/media/pci/Kconfig"
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source "drivers/media/radio/Kconfig"
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# Common driver options
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source "drivers/media/common/Kconfig"
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if MEDIA_PLATFORM_SUPPORT
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source "drivers/media/platform/Kconfig"
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source "drivers/media/mmc/Kconfig"
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endif
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if MEDIA_TEST_SUPPORT
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source "drivers/media/test-drivers/Kconfig"
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endif
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source "drivers/media/firewire/Kconfig"
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endmenu
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#
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# Ancillary drivers (tuners, i2c, spi, frontends)
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#
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config MEDIA_HIDE_ANCILLARY_SUBDRV
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bool
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depends on MEDIA_SUBDRV_AUTOSELECT && !COMPILE_TEST && !EXPERT
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default y
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menu "Media ancillary drivers"
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config MEDIA_ATTACH
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bool
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depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
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depends on MODULES
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default MODULES
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source "drivers/media/i2c/Kconfig"
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source "drivers/media/spi/Kconfig"
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source "drivers/media/tuners/Kconfig"
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source "drivers/media/dvb-frontends/Kconfig"
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endmenu
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endif # MEDIA_SUPPORT
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