diff options
Diffstat (limited to 'drivers/media/Kconfig')
| -rw-r--r-- | drivers/media/Kconfig | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig new file mode 100644 index 000000000..283b78b57 --- /dev/null +++ b/drivers/media/Kconfig @@ -0,0 +1,268 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Multimedia device configuration +# + +# +# NOTE: CEC and Remote Controller support should not depend on MEDIA_SUPPORT +# +source "drivers/media/rc/Kconfig" +source "drivers/media/cec/Kconfig" + +menuconfig MEDIA_SUPPORT + tristate "Multimedia support" + depends on HAS_IOMEM + help + If you want to use media devices, including Webcams, Video grabber + devices and/or TV devices, V4L2 codecs, etc, enable this option + and other options below. + + Additional info and docs are available on the web at + <https://linuxtv.org> + +if MEDIA_SUPPORT + +config MEDIA_SUPPORT_FILTER + bool "Filter media drivers" + default y if !EXPERT + help + Configuring the media subsystem can be complex, as there are + hundreds of drivers and other config options. + + This menu offers option that will help the Kernel's config + system to hide drivers that are out of the scope of the + user needs, and disabling core support for unused APIs. + + If not selected, all non-optional media core functionality + needed to support media drivers will be enabled. Also, all + media device drivers should be shown. + +config MEDIA_SUBDRV_AUTOSELECT + bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)" + depends on HAS_IOMEM + select I2C + select I2C_MUX + default y if MEDIA_SUPPORT_FILTER + help + By default, a media driver auto-selects all possible ancillary + devices such as tuners, sensors, video encoders/decoders and + frontends, that are used by any of the supported devices. + + This is generally the right thing to do, except when there + are strict constraints with regards to the kernel size, + like on embedded systems. + + Use this option with care, as deselecting ancillary drivers which + are, in fact, necessary will result in the lack of the needed + functionality for your device (it may not tune or may not have + the needed demodulators). + + If unsure say Y. + +menu "Media device types" + +# +# Multimedia support - automatically enable V4L2 and DVB core +# +config MEDIA_CAMERA_SUPPORT + bool + prompt "Cameras and video grabbers" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + Enable support for webcams and video grabbers. + + Say Y when you have a webcam or a video capture grabber board. + +config MEDIA_ANALOG_TV_SUPPORT + bool + prompt "Analog TV" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + Enable analog TV support. + + Say Y when you have a TV board with analog support or with a + hybrid analog/digital TV chipset. + + Note: There are several DVB cards that are based on chips that + support both analog and digital TV. Disabling this option + will disable support for them. + +config MEDIA_DIGITAL_TV_SUPPORT + bool + prompt "Digital TV" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + Enable digital TV support. + + Say Y when you have a board with digital support or a board with + hybrid digital TV and analog TV. + +config MEDIA_RADIO_SUPPORT + bool + prompt "AM/FM radio receivers/transmitters" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + Enable AM/FM radio support. + + Additional info and docs are available on the web at + <https://linuxtv.org> + + Say Y when you have a board with radio support. + + Note: There are several TV cards that are based on chips that + support radio reception. Disabling this option will + disable support for them. + +config MEDIA_SDR_SUPPORT + bool + prompt "Software defined radio" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + Enable software defined radio support. + + Say Y when you have a software defined radio device. + +config MEDIA_PLATFORM_SUPPORT + bool + prompt "Platform-specific devices" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + Enable support for complex cameras, codecs, and other hardware + that are integrated at the CPU, GPU or on Image Signalling Processor + and don't use PCI, USB or Firewire buses. + + This is found on Embedded hardware (SoC), on V4L2 codecs and + on some GPU and newer CPU chipsets. + + Say Y when you want to be able to see such devices. + +config MEDIA_TEST_SUPPORT + bool + prompt "Test drivers" if MEDIA_SUPPORT_FILTER + default y if !MEDIA_SUPPORT_FILTER + help + These drivers should not be used on production kernels, but + can be useful on debug ones. This option enables several dummy drivers + that simulate real hardware. Very useful to test userspace + applications and to validate if the subsystem core doesn't + have regressions. + + Say Y if you want to use some virtual test driver. + + In case of doubts, say N. + Say Y when you have a software defined radio device. +endmenu # media device types + + +menu "Media core support" + visible if !MEDIA_SUPPORT_FILTER + +config VIDEO_DEV + tristate "Video4Linux core" + default MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT || MEDIA_PLATFORM_SUPPORT || MEDIA_TEST_SUPPORT + depends on (I2C || I2C=n) + select RATIONAL + select VIDEOBUF2_V4L2 if VIDEOBUF2_CORE + help + Enables the V4L2 API, used by cameras, analog TV, video grabbers, + radio devices and by some input devices. + +config MEDIA_CONTROLLER + bool "Media Controller API" + default MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_PLATFORM_SUPPORT + help + Enable the media controller API used to query media devices internal + topology and configure it dynamically. + + This API is mostly used by camera interfaces in embedded platforms. + +# +# DVB Core +# Only enables if one of DTV is selected +# + +config DVB_CORE + tristate + depends on MEDIA_DIGITAL_TV_SUPPORT + depends on (I2C || I2C=n) + default MEDIA_DIGITAL_TV_SUPPORT + select CRC32 + help + Enables the DVB API, used by Digital TV devices. Supports several + standards, including DVB, ATSC, ISDB and CMDB. + +endmenu # Media core support + +# +# Extra per-media API core functionality + +menu "Video4Linux options" + visible if VIDEO_DEV + +source "drivers/media/v4l2-core/Kconfig" +endmenu + +menu "Media controller options" + visible if MEDIA_CONTROLLER + +source "drivers/media/mc/Kconfig" +endmenu + +menu "Digital TV options" + visible if DVB_CORE + +source "drivers/media/dvb-core/Kconfig" +endmenu + +menu "Media drivers" + +comment "Drivers filtered as selected at 'Filter media drivers'" + depends on MEDIA_SUPPORT_FILTER + +comment "Media drivers" + +source "drivers/media/usb/Kconfig" +source "drivers/media/pci/Kconfig" +source "drivers/media/radio/Kconfig" + +if MEDIA_PLATFORM_SUPPORT +source "drivers/media/platform/Kconfig" +source "drivers/media/mmc/Kconfig" +endif + +if MEDIA_TEST_SUPPORT +source "drivers/media/test-drivers/Kconfig" +endif + +source "drivers/media/firewire/Kconfig" + +# Common driver options +source "drivers/media/common/Kconfig" + +endmenu + +# +# Ancillary drivers (tuners, i2c, spi, frontends) +# + +config MEDIA_HIDE_ANCILLARY_SUBDRV + bool + depends on MEDIA_SUBDRV_AUTOSELECT && !COMPILE_TEST && !EXPERT + default y + +menu "Media ancillary drivers" + +config MEDIA_ATTACH + bool + depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT + depends on MODULES + default MODULES + +source "drivers/media/i2c/Kconfig" +source "drivers/media/spi/Kconfig" +source "drivers/media/tuners/Kconfig" +source "drivers/media/dvb-frontends/Kconfig" + +endmenu + +endif # MEDIA_SUPPORT |