xref: /openbmc/linux/drivers/media/Kconfig (revision ba61bb17)
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
113#
114# Video4Linux support
115#	Only enables if one of the V4L2 types (ATV, webcam, radio) is selected
116#
117
118config VIDEO_DEV
119	tristate
120	depends on MEDIA_SUPPORT
121	depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
122	default y
123
124config VIDEO_V4L2_SUBDEV_API
125	bool "V4L2 sub-device userspace API"
126	depends on VIDEO_DEV && MEDIA_CONTROLLER
127	---help---
128	  Enables the V4L2 sub-device pad-level userspace API used to configure
129	  video format, size and frame rate between hardware blocks.
130
131	  This API is mostly used by camera interfaces in embedded platforms.
132
133source "drivers/media/v4l2-core/Kconfig"
134
135#
136# DVB Core
137#	Only enables if one of DTV is selected
138#
139
140config DVB_CORE
141	tristate
142	depends on MEDIA_SUPPORT
143	depends on MEDIA_DIGITAL_TV_SUPPORT
144	depends on (I2C || I2C=n)
145	default y
146	select CRC32
147
148config DVB_MMAP
149	bool "Enable DVB memory-mapped API (EXPERIMENTAL)"
150	depends on DVB_CORE
151	depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE
152	select VIDEOBUF2_VMALLOC
153	default n
154	help
155	  This option enables DVB experimental memory-mapped API, which
156	  reduces the number of context switches to read DVB buffers, as
157	  the buffers can use mmap() syscalls.
158
159	  Support for it is experimental. Use with care. If unsure,
160	  say N.
161
162config DVB_NET
163	bool "DVB Network Support"
164	default (NET && INET)
165	depends on NET && INET && DVB_CORE
166	help
167	  This option enables DVB Network Support which is a part of the DVB
168	  standard. It is used, for example, by automatic firmware updates used
169	  on Set-Top-Boxes. It can also be used to access the Internet via the
170	  DVB card, if the network provider supports it.
171
172	  You may want to disable the network support on embedded devices. If
173	  unsure say Y.
174
175# This Kconfig option is used by both PCI and USB drivers
176config TTPCI_EEPROM
177	tristate
178	depends on I2C
179	default n
180
181source "drivers/media/dvb-core/Kconfig"
182
183comment "Media drivers"
184
185#
186# V4L platform/mem2mem drivers
187#
188
189source "drivers/media/usb/Kconfig"
190source "drivers/media/pci/Kconfig"
191source "drivers/media/platform/Kconfig"
192source "drivers/media/mmc/Kconfig"
193source "drivers/media/radio/Kconfig"
194
195comment "Supported FireWire (IEEE 1394) Adapters"
196	depends on DVB_CORE && FIREWIRE
197source "drivers/media/firewire/Kconfig"
198
199# Common driver options
200source "drivers/media/common/Kconfig"
201
202comment "Media ancillary drivers (tuners, sensors, i2c, spi, frontends)"
203
204#
205# Ancillary drivers (tuners, i2c, spi, frontends)
206#
207
208config MEDIA_SUBDRV_AUTOSELECT
209	bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)"
210	depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT
211	depends on HAS_IOMEM
212	select I2C
213	select I2C_MUX
214	default y
215	help
216	  By default, a media driver auto-selects all possible ancillary
217	  devices such as tuners, sensors, video encoders/decoders and
218	  frontends, that are used by any of the supported devices.
219
220	  This is generally the right thing to do, except when there
221	  are strict constraints with regards to the kernel size,
222	  like on embedded systems.
223
224	  Use this option with care, as deselecting ancillary drivers which
225	  are, in fact, necessary will result in the lack of the needed
226	  functionality for your device (it may not tune or may not have
227	  the needed demodulators).
228
229	  If unsure say Y.
230
231config MEDIA_ATTACH
232	bool
233	depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
234	depends on MODULES
235	default MODULES
236
237source "drivers/media/i2c/Kconfig"
238source "drivers/media/spi/Kconfig"
239source "drivers/media/tuners/Kconfig"
240source "drivers/media/dvb-frontends/Kconfig"
241
242endif # MEDIA_SUPPORT
243