admin-guide/media/building.rst

1 .. SPDX-License-Identifier: GPL-2.0
8 distribution-specific source file or via the Kernel's main git tree\ [1]_.
12 - you're a braveheart and want to experiment with new stuff;
13 - if you want to report a bug;
14 - if you're developing new patches
23     https://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers
50     Device Drivers --->
51 	<M> Remote Controller support  --->
52 	[ ] HDMI CEC RC integration
53 	[ ] Enable CEC error injection support
54 	[*] HDMI CEC drivers  --->
55 	<*> Multimedia support  --->
60 The ``HDMI CEC RC integration`` option enables integration of HDMI CEC
61 with Linux, allowing to receive data via HDMI CEC as if it were produced
64 The ``HDMI CEC drivers`` option allow selecting platform and USB drivers
65 that receives and/or transmits CEC codes via HDMI interfaces\ [3]_.
80 	$ scripts/config -m RC_CORE
81 	$ scripts/config -m MEDIA_SUPPORT
88        that use the media HDMI CEC support.
90        Those GPU-specific drivers are selected via the ``Graphics support``
93        When a GPU driver supports HDMI CEC, it will automatically
94        enable the CEC core support at the media subsystem.
97 ------------------
105 (Inter-Integrated Circuit). In order to be able to build support
109     ./scripts/config -m I2C
114     ./scripts/config -m INPUT
120 ----------------------------------
125          --- Remote Controller support
129          [*]   Remote controller decoders  --->
130          [*]   Remote Controller devices  --->
146 sub-options enabled.
155 	$ scripts/config -e INPUT
156 	$ scripts/config -e ACPI
157 	$ scripts/config -e MODULES
158 	$ scripts/config -m RC_CORE
159 	$ scripts/config -e RC_DEVICES
160 	$ scripts/config -e RC_DECODERS
161 	$ scripts/config -m IR_RC5_DECODER
162 	$ scripts/config -m IR_ITE_CIR
164 Enabling HDMI CEC Support
165 -------------------------
167 The HDMI CEC support is set automatically when a driver requires it. So,
171 The HDMI-specific drivers are available at the ``HDMI CEC drivers``
174 	--- HDMI CEC drivers
175 	< >   ChromeOS EC CEC driver
176 	< >   Amlogic Meson AO CEC driver
177 	< >   Amlogic Meson G12A AO CEC driver
178 	< >   Generic GPIO-based CEC driver
179 	< >   Samsung S5P CEC driver
180 	< >   STMicroelectronics STiH4xx HDMI CEC driver
181 	< >   STMicroelectronics STM32 HDMI CEC driver
182 	< >   Tegra HDMI CEC driver
183 	< >   SECO Boards HDMI CEC driver
185 	< >   Pulse Eight HDMI CEC
186 	< >   RainShadow Tech HDMI CEC
193 ----------------------
198 	--- Media support
201 	    Media device types --->
202 	    Media core support --->
203 	    Video4Linux options --->
204 	    Media controller options --->
205 	    Digital TV options --->
206 	    HDMI CEC options --->
207 	    Media drivers --->
208 	    Media ancillary drivers --->
212 ``Autoselect ancillary drivers`` option turned on, as it will auto-select
230 	[ ] Platform-specific devices
237 auto-select the needed core drivers in order to support the selected
251 ``Media support`` sub-menus::
253 	    Media core support --->
254 	    Video4Linux options --->
255 	    Media controller options --->
256 	    Digital TV options --->
257 	    HDMI CEC options --->
260 criteria will be available at the ``Media support->Media drivers`` sub-menu.
274 -------
277 :doc:`this table <cx231xx-cardlist>`, with modular media core modules, the
326 using a "best-efforts" principle, as time permits us to fix issues there.
330 add ``[PATCH media-build]`` at the e-mail's subject if you submit a new
331 patch for the media-build.
339     1) you may need to run it twice if the ``media-build`` tree gets