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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_SUPPORT
 84         bool "HDMI CEC support"
 85         select MEDIA_CEC_EDID
 86         ---help---
 87           Enable support for HDMI CEC (Consumer Electronics Control),
 88           which is an optional HDMI feature.
 89 
 90           Say Y when you have an HDMI receiver, transmitter or a USB CEC
 91           adapter that supports HDMI CEC.
 92 
 93 config MEDIA_CEC_DEBUG
 94         bool "HDMI CEC debugfs interface"
 95         depends on MEDIA_CEC_SUPPORT && DEBUG_FS
 96         ---help---
 97           Turns on the DebugFS interface for CEC devices.
 98 
 99 config MEDIA_CEC_EDID
100         bool
101 
102 #
103 # Media controller
104 #       Selectable only for webcam/grabbers, as other drivers don't use it
105 #
106 
107 config MEDIA_CONTROLLER
108         bool "Media Controller API"
109         depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT
110         ---help---
111           Enable the media controller API used to query media devices internal
112           topology and configure it dynamically.
113 
114           This API is mostly used by camera interfaces in embedded platforms.
115 
116 config MEDIA_CONTROLLER_DVB
117         bool "Enable Media controller for DVB (EXPERIMENTAL)"
118         depends on MEDIA_CONTROLLER && DVB_CORE
119         ---help---
120           Enable the media controller API support for DVB.
121 
122           This is currently experimental.
123 
124 #
125 # Video4Linux support
126 #       Only enables if one of the V4L2 types (ATV, webcam, radio) is selected
127 #
128 
129 config VIDEO_DEV
130         tristate
131         depends on MEDIA_SUPPORT
132         depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
133         default y
134 
135 config VIDEO_V4L2_SUBDEV_API
136         bool "V4L2 sub-device userspace API"
137         depends on VIDEO_DEV && MEDIA_CONTROLLER
138         ---help---
139           Enables the V4L2 sub-device pad-level userspace API used to configure
140           video format, size and frame rate between hardware blocks.
141 
142           This API is mostly used by camera interfaces in embedded platforms.
143 
144 source "drivers/media/v4l2-core/Kconfig"
145 
146 #
147 # DVB Core
148 #       Only enables if one of DTV is selected
149 #
150 
151 config DVB_CORE
152         tristate
153         depends on MEDIA_SUPPORT
154         depends on MEDIA_DIGITAL_TV_SUPPORT
155         default y
156         select CRC32
157 
158 config DVB_NET
159         bool "DVB Network Support"
160         default (NET && INET)
161         depends on NET && INET && DVB_CORE
162         help
163           This option enables DVB Network Support which is a part of the DVB
164           standard. It is used, for example, by automatic firmware updates used
165           on Set-Top-Boxes. It can also be used to access the Internet via the
166           DVB card, if the network provider supports it.
167 
168           You may want to disable the network support on embedded devices. If
169           unsure say Y.
170 
171 # This Kconfig option is used by both PCI and USB drivers
172 config TTPCI_EEPROM
173         tristate
174         depends on I2C
175         default n
176 
177 source "drivers/media/dvb-core/Kconfig"
178 
179 comment "Media drivers"
180 source "drivers/media/rc/Kconfig"
181 
182 #
183 # V4L platform/mem2mem drivers
184 #
185 
186 source "drivers/media/usb/Kconfig"
187 source "drivers/media/pci/Kconfig"
188 source "drivers/media/platform/Kconfig"
189 source "drivers/media/mmc/Kconfig"
190 source "drivers/media/radio/Kconfig"
191 
192 comment "Supported FireWire (IEEE 1394) Adapters"
193         depends on DVB_CORE && FIREWIRE
194 source "drivers/media/firewire/Kconfig"
195 
196 # Common driver options
197 source "drivers/media/common/Kconfig"
198 
199 comment "Media ancillary drivers (tuners, sensors, i2c, spi, frontends)"
200 
201 #
202 # Ancillary drivers (tuners, i2c, spi, frontends)
203 #
204 
205 config MEDIA_SUBDRV_AUTOSELECT
206         bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)"
207         depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT
208         depends on HAS_IOMEM
209         select I2C
210         select I2C_MUX
211         default y
212         help
213           By default, a media driver auto-selects all possible ancillary
214           devices such as tuners, sensors, video encoders/decoders and
215           frontends, that are used by any of the supported devices.
216 
217           This is generally the right thing to do, except when there
218           are strict constraints with regards to the kernel size,
219           like on embedded systems.
220 
221           Use this option with care, as deselecting ancillary drivers which
222           are, in fact, necessary will result in the lack of the needed
223           functionality for your device (it may not tune or may not have
224           the needed demodulators).
225 
226           If unsure say Y.
227 
228 config MEDIA_ATTACH
229         bool
230         depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
231         depends on MODULES
232         default MODULES
233 
234 source "drivers/media/i2c/Kconfig"
235 source "drivers/media/spi/Kconfig"
236 source "drivers/media/tuners/Kconfig"
237 source "drivers/media/dvb-frontends/Kconfig"
238 
239 endif # MEDIA_SUPPORT

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