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Linux/drivers/media/Kconfig

  1 #
  2 # Multimedia device configuration
  3 #
  4 
  5 menuconfig MEDIA_SUPPORT
  6         tristate "Multimedia support"
  7         depends on HAS_IOMEM
  8         help
  9           If you want to use Webcams, Video grabber devices and/or TV devices
 10           enable this option and other options below.
 11           Additional info and docs are available on the web at
 12           <https://linuxtv.org>
 13 
 14 if MEDIA_SUPPORT
 15 
 16 comment "Multimedia core support"
 17 
 18 #
 19 # Multimedia support - automatically enable V4L2 and DVB core
 20 #
 21 config MEDIA_CAMERA_SUPPORT
 22         bool "Cameras/video grabbers support"
 23         ---help---
 24           Enable support for webcams and video grabbers.
 25 
 26           Say Y when you have a webcam or a video capture grabber board.
 27 
 28 config MEDIA_ANALOG_TV_SUPPORT
 29         bool "Analog TV support"
 30         ---help---
 31           Enable analog TV support.
 32 
 33           Say Y when you have a TV board with analog support or with a
 34           hybrid analog/digital TV chipset.
 35 
 36           Note: There are several DVB cards that are based on chips that
 37                 support both analog and digital TV. Disabling this option
 38                 will disable support for them.
 39 
 40 config MEDIA_DIGITAL_TV_SUPPORT
 41         bool "Digital TV support"
 42         ---help---
 43           Enable digital TV support.
 44 
 45           Say Y when you have a board with digital support or a board with
 46           hybrid digital TV and analog TV.
 47 
 48 config MEDIA_RADIO_SUPPORT
 49         bool "AM/FM radio receivers/transmitters support"
 50         ---help---
 51           Enable AM/FM radio support.
 52 
 53           Additional info and docs are available on the web at
 54           <https://linuxtv.org>
 55 
 56           Say Y when you have a board with radio support.
 57 
 58           Note: There are several TV cards that are based on chips that
 59                 support radio reception. Disabling this option will
 60                 disable support for them.
 61 
 62 config MEDIA_SDR_SUPPORT
 63         bool "Software defined radio support"
 64         ---help---
 65           Enable software defined radio support.
 66 
 67           Say Y when you have a software defined radio device.
 68 
 69 config MEDIA_RC_SUPPORT
 70         bool "Remote Controller support"
 71         depends on INPUT
 72         ---help---
 73           Enable support for Remote Controllers on Linux. This is
 74           needed in order to support several video capture adapters,
 75           standalone IR receivers/transmitters, and RF receivers.
 76 
 77           Enable this option if you have a video capture board even
 78           if you don't need IR, as otherwise, you may not be able to
 79           compile the driver for your adapter.
 80 
 81           Say Y when you have a TV or an IR device.
 82 
 83 config MEDIA_CEC_EDID
 84         bool
 85 
 86 #
 87 # Media controller
 88 #       Selectable only for webcam/grabbers, as other drivers don't use it
 89 #
 90 
 91 config MEDIA_CONTROLLER
 92         bool "Media Controller API"
 93         depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT
 94         ---help---
 95           Enable the media controller API used to query media devices internal
 96           topology and configure it dynamically.
 97 
 98           This API is mostly used by camera interfaces in embedded platforms.
 99 
100 config MEDIA_CONTROLLER_DVB
101         bool "Enable Media controller for DVB (EXPERIMENTAL)"
102         depends on MEDIA_CONTROLLER
103         ---help---
104           Enable the media controller API support for DVB.
105 
106           This is currently experimental.
107 
108 #
109 # Video4Linux support
110 #       Only enables if one of the V4L2 types (ATV, webcam, radio) is selected
111 #
112 
113 config VIDEO_DEV
114         tristate
115         depends on MEDIA_SUPPORT
116         depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
117         default y
118 
119 config VIDEO_V4L2_SUBDEV_API
120         bool "V4L2 sub-device userspace API"
121         depends on VIDEO_DEV && MEDIA_CONTROLLER
122         ---help---
123           Enables the V4L2 sub-device pad-level userspace API used to configure
124           video format, size and frame rate between hardware blocks.
125 
126           This API is mostly used by camera interfaces in embedded platforms.
127 
128 source "drivers/media/v4l2-core/Kconfig"
129 
130 #
131 # DVB Core
132 #       Only enables if one of DTV is selected
133 #
134 
135 config DVB_CORE
136         tristate
137         depends on MEDIA_SUPPORT
138         depends on MEDIA_DIGITAL_TV_SUPPORT
139         default y
140         select CRC32
141 
142 config DVB_NET
143         bool "DVB Network Support"
144         default (NET && INET)
145         depends on NET && INET && DVB_CORE
146         help
147           This option enables DVB Network Support which is a part of the DVB
148           standard. It is used, for example, by automatic firmware updates used
149           on Set-Top-Boxes. It can also be used to access the Internet via the
150           DVB card, if the network provider supports it.
151 
152           You may want to disable the network support on embedded devices. If
153           unsure say Y.
154 
155 # This Kconfig option is used by both PCI and USB drivers
156 config TTPCI_EEPROM
157         tristate
158         depends on I2C
159         default n
160 
161 source "drivers/media/dvb-core/Kconfig"
162 
163 comment "Media drivers"
164 source "drivers/media/rc/Kconfig"
165 
166 #
167 # V4L platform/mem2mem drivers
168 #
169 
170 source "drivers/media/usb/Kconfig"
171 source "drivers/media/pci/Kconfig"
172 source "drivers/media/platform/Kconfig"
173 source "drivers/media/mmc/Kconfig"
174 source "drivers/media/radio/Kconfig"
175 
176 comment "Supported FireWire (IEEE 1394) Adapters"
177         depends on DVB_CORE && FIREWIRE
178 source "drivers/media/firewire/Kconfig"
179 
180 # Common driver options
181 source "drivers/media/common/Kconfig"
182 
183 comment "Media ancillary drivers (tuners, sensors, i2c, frontends)"
184 
185 #
186 # Ancillary drivers (tuners, i2c, frontends)
187 #
188 
189 config MEDIA_SUBDRV_AUTOSELECT
190         bool "Autoselect ancillary drivers (tuners, sensors, i2c, frontends)"
191         depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT
192         depends on HAS_IOMEM
193         select I2C
194         select I2C_MUX
195         default y
196         help
197           By default, a media driver auto-selects all possible ancillary
198           devices such as tuners, sensors, video encoders/decoders and
199           frontends, that are used by any of the supported devices.
200 
201           This is generally the right thing to do, except when there
202           are strict constraints with regards to the kernel size,
203           like on embedded systems.
204 
205           Use this option with care, as deselecting ancillary drivers which
206           are, in fact, necessary will result in the lack of the needed
207           functionality for your device (it may not tune or may not have
208           the needed demodulators).
209 
210           If unsure say Y.
211 
212 config MEDIA_ATTACH
213         bool
214         depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
215         depends on MODULES
216         default MODULES
217 
218 source "drivers/media/i2c/Kconfig"
219 source "drivers/media/tuners/Kconfig"
220 source "drivers/media/dvb-frontends/Kconfig"
221 
222 endif # MEDIA_SUPPORT

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