1# 2# Multimedia device configuration 3# 4 5config CEC_CORE 6 tristate 7 8config CEC_NOTIFIER 9 bool 10 11config CEC_PIN 12 bool 13 14source "drivers/media/rc/Kconfig" 15 16menuconfig MEDIA_SUPPORT 17 tristate "Multimedia support" 18 depends on HAS_IOMEM 19 help 20 If you want to use Webcams, Video grabber devices and/or TV devices 21 enable this option and other options below. 22 Additional info and docs are available on the web at 23 <https://linuxtv.org> 24 25if MEDIA_SUPPORT 26 27comment "Multimedia core support" 28 29# 30# Multimedia support - automatically enable V4L2 and DVB core 31# 32config MEDIA_CAMERA_SUPPORT 33 bool "Cameras/video grabbers support" 34 help 35 Enable support for webcams and video grabbers. 36 37 Say Y when you have a webcam or a video capture grabber board. 38 39config MEDIA_ANALOG_TV_SUPPORT 40 bool "Analog TV support" 41 help 42 Enable analog TV support. 43 44 Say Y when you have a TV board with analog support or with a 45 hybrid analog/digital TV chipset. 46 47 Note: There are several DVB cards that are based on chips that 48 support both analog and digital TV. Disabling this option 49 will disable support for them. 50 51config MEDIA_DIGITAL_TV_SUPPORT 52 bool "Digital TV support" 53 help 54 Enable digital TV support. 55 56 Say Y when you have a board with digital support or a board with 57 hybrid digital TV and analog TV. 58 59config MEDIA_RADIO_SUPPORT 60 bool "AM/FM radio receivers/transmitters support" 61 help 62 Enable AM/FM radio support. 63 64 Additional info and docs are available on the web at 65 <https://linuxtv.org> 66 67 Say Y when you have a board with radio support. 68 69 Note: There are several TV cards that are based on chips that 70 support radio reception. Disabling this option will 71 disable support for them. 72 73config MEDIA_SDR_SUPPORT 74 bool "Software defined radio support" 75 help 76 Enable software defined radio support. 77 78 Say Y when you have a software defined radio device. 79 80config MEDIA_CEC_SUPPORT 81 bool "HDMI CEC support" 82 help 83 Enable support for HDMI CEC (Consumer Electronics Control), 84 which is an optional HDMI feature. 85 86 Say Y when you have an HDMI receiver, transmitter or a USB CEC 87 adapter that supports HDMI CEC. 88 89source "drivers/media/cec/Kconfig" 90 91# 92# Media controller 93# Selectable only for webcam/grabbers, as other drivers don't use it 94# 95 96config MEDIA_CONTROLLER 97 bool "Media Controller API" 98 depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT 99 help 100 Enable the media controller API used to query media devices internal 101 topology and configure it dynamically. 102 103 This API is mostly used by camera interfaces in embedded platforms. 104 105config MEDIA_CONTROLLER_DVB 106 bool "Enable Media controller for DVB (EXPERIMENTAL)" 107 depends on MEDIA_CONTROLLER && DVB_CORE 108 help 109 Enable the media controller API support for DVB. 110 111 This is currently experimental. 112 113config MEDIA_CONTROLLER_REQUEST_API 114 bool "Enable Media controller Request API (EXPERIMENTAL)" 115 depends on MEDIA_CONTROLLER && STAGING_MEDIA 116 default n 117 help 118 DO NOT ENABLE THIS OPTION UNLESS YOU KNOW WHAT YOU'RE DOING. 119 120 This option enables the Request API for the Media controller and V4L2 121 interfaces. It is currently needed by a few stateless codec drivers. 122 123 There is currently no intention to provide API or ABI stability for 124 this new API as of yet. 125 126# 127# Video4Linux support 128# Only enables if one of the V4L2 types (ATV, webcam, radio) is selected 129# 130 131config VIDEO_DEV 132 tristate 133 depends on MEDIA_SUPPORT 134 depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT 135 default y 136 137config VIDEO_V4L2_SUBDEV_API 138 bool "V4L2 sub-device userspace API" 139 depends on VIDEO_DEV && MEDIA_CONTROLLER 140 help 141 Enables the V4L2 sub-device pad-level userspace API used to configure 142 video format, size and frame rate between hardware blocks. 143 144 This API is mostly used by camera interfaces in embedded platforms. 145 146source "drivers/media/v4l2-core/Kconfig" 147 148# 149# DVB Core 150# Only enables if one of DTV is selected 151# 152 153config DVB_CORE 154 tristate 155 depends on MEDIA_SUPPORT 156 depends on MEDIA_DIGITAL_TV_SUPPORT 157 depends on (I2C || I2C=n) 158 default y 159 select CRC32 160 161config DVB_MMAP 162 bool "Enable DVB memory-mapped API (EXPERIMENTAL)" 163 depends on DVB_CORE 164 depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE 165 select VIDEOBUF2_VMALLOC 166 default n 167 help 168 This option enables DVB experimental memory-mapped API, which 169 reduces the number of context switches to read DVB buffers, as 170 the buffers can use mmap() syscalls. 171 172 Support for it is experimental. Use with care. If unsure, 173 say N. 174 175config DVB_NET 176 bool "DVB Network Support" 177 default (NET && INET) 178 depends on NET && INET && DVB_CORE 179 help 180 This option enables DVB Network Support which is a part of the DVB 181 standard. It is used, for example, by automatic firmware updates used 182 on Set-Top-Boxes. It can also be used to access the Internet via the 183 DVB card, if the network provider supports it. 184 185 You may want to disable the network support on embedded devices. If 186 unsure say Y. 187 188# This Kconfig option is used by both PCI and USB drivers 189config TTPCI_EEPROM 190 tristate 191 depends on I2C 192 default n 193 194source "drivers/media/dvb-core/Kconfig" 195 196comment "Media drivers" 197 198# 199# V4L platform/mem2mem drivers 200# 201 202source "drivers/media/usb/Kconfig" 203source "drivers/media/pci/Kconfig" 204source "drivers/media/platform/Kconfig" 205source "drivers/media/mmc/Kconfig" 206source "drivers/media/radio/Kconfig" 207 208comment "Supported FireWire (IEEE 1394) Adapters" 209 depends on DVB_CORE && FIREWIRE 210source "drivers/media/firewire/Kconfig" 211 212# Common driver options 213source "drivers/media/common/Kconfig" 214 215comment "Media ancillary drivers (tuners, sensors, i2c, spi, frontends)" 216 217# 218# Ancillary drivers (tuners, i2c, spi, frontends) 219# 220 221config MEDIA_SUBDRV_AUTOSELECT 222 bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)" 223 depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT 224 depends on HAS_IOMEM 225 select I2C 226 select I2C_MUX 227 default y 228 help 229 By default, a media driver auto-selects all possible ancillary 230 devices such as tuners, sensors, video encoders/decoders and 231 frontends, that are used by any of the supported devices. 232 233 This is generally the right thing to do, except when there 234 are strict constraints with regards to the kernel size, 235 like on embedded systems. 236 237 Use this option with care, as deselecting ancillary drivers which 238 are, in fact, necessary will result in the lack of the needed 239 functionality for your device (it may not tune or may not have 240 the needed demodulators). 241 242 If unsure say Y. 243 244config MEDIA_ATTACH 245 bool 246 depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT 247 depends on MODULES 248 default MODULES 249 250source "drivers/media/i2c/Kconfig" 251source "drivers/media/spi/Kconfig" 252source "drivers/media/tuners/Kconfig" 253source "drivers/media/dvb-frontends/Kconfig" 254 255endif # MEDIA_SUPPORT 256