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

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