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

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