xref: /openbmc/linux/drivers/media/Kconfig (revision 023e4163)
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