# SPDX-License-Identifier: GPL-2.0-only # # Multimedia device configuration # config CEC_CORE tristate config CEC_NOTIFIER bool config CEC_PIN bool source "drivers/media/rc/Kconfig" menuconfig MEDIA_SUPPORT tristate "Multimedia support" depends on HAS_IOMEM help If you want to use Webcams, Video grabber devices and/or TV devices enable this option and other options below. Additional info and docs are available on the web at <https://linuxtv.org> if MEDIA_SUPPORT comment "Multimedia core support" # # Multimedia support - automatically enable V4L2 and DVB core # config MEDIA_CAMERA_SUPPORT bool "Cameras/video grabbers support" 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 "Analog TV support" 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 "Digital TV support" 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 "AM/FM radio receivers/transmitters support" 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 "Software defined radio support" help Enable software defined radio support. Say Y when you have a software defined radio device. config MEDIA_CEC_SUPPORT bool "HDMI CEC support" help Enable support for HDMI CEC (Consumer Electronics Control), which is an optional HDMI feature. Say Y when you have an HDMI receiver, transmitter or a USB CEC adapter that supports HDMI CEC. source "drivers/media/cec/Kconfig" # # Media controller # Selectable only for webcam/grabbers, as other drivers don't use it # config MEDIA_CONTROLLER bool "Media Controller API" depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_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. config MEDIA_CONTROLLER_DVB bool "Enable Media controller for DVB (EXPERIMENTAL)" depends on MEDIA_CONTROLLER && DVB_CORE help Enable the media controller API support for DVB. This is currently experimental. config MEDIA_CONTROLLER_REQUEST_API bool "Enable Media controller Request API (EXPERIMENTAL)" depends on MEDIA_CONTROLLER && STAGING_MEDIA default n help DO NOT ENABLE THIS OPTION UNLESS YOU KNOW WHAT YOU'RE DOING. This option enables the Request API for the Media controller and V4L2 interfaces. It is currently needed by a few stateless codec drivers. There is currently no intention to provide API or ABI stability for this new API as of yet. # # Video4Linux support # Only enables if one of the V4L2 types (ATV, webcam, radio) is selected # config VIDEO_DEV tristate depends on MEDIA_SUPPORT depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT default y config VIDEO_V4L2_SUBDEV_API bool "V4L2 sub-device userspace API" depends on VIDEO_DEV && MEDIA_CONTROLLER help Enables the V4L2 sub-device pad-level userspace API used to configure video format, size and frame rate between hardware blocks. This API is mostly used by camera interfaces in embedded platforms. source "drivers/media/v4l2-core/Kconfig" # # DVB Core # Only enables if one of DTV is selected # config DVB_CORE tristate depends on MEDIA_SUPPORT depends on MEDIA_DIGITAL_TV_SUPPORT depends on (I2C || I2C=n) default y select CRC32 config DVB_MMAP bool "Enable DVB memory-mapped API (EXPERIMENTAL)" depends on DVB_CORE depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE select VIDEOBUF2_VMALLOC default n help This option enables DVB experimental memory-mapped API, which reduces the number of context switches to read DVB buffers, as the buffers can use mmap() syscalls. Support for it is experimental. Use with care. If unsure, say N. config DVB_NET bool "DVB Network Support" default (NET && INET) depends on NET && INET && DVB_CORE help This option enables DVB Network Support which is a part of the DVB standard. It is used, for example, by automatic firmware updates used on Set-Top-Boxes. It can also be used to access the Internet via the DVB card, if the network provider supports it. You may want to disable the network support on embedded devices. If unsure say Y. # This Kconfig option is used by both PCI and USB drivers config TTPCI_EEPROM tristate depends on I2C default n source "drivers/media/dvb-core/Kconfig" comment "Media drivers" # # V4L platform/mem2mem drivers # source "drivers/media/usb/Kconfig" source "drivers/media/pci/Kconfig" source "drivers/media/platform/Kconfig" source "drivers/media/mmc/Kconfig" source "drivers/media/radio/Kconfig" comment "Supported FireWire (IEEE 1394) Adapters" depends on DVB_CORE && FIREWIRE source "drivers/media/firewire/Kconfig" # Common driver options source "drivers/media/common/Kconfig" comment "Media ancillary drivers (tuners, sensors, i2c, spi, frontends)" # # Ancillary drivers (tuners, i2c, spi, frontends) # config MEDIA_SUBDRV_AUTOSELECT bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)" depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT depends on HAS_IOMEM select I2C select I2C_MUX default y 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. 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" endif # MEDIA_SUPPORT