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* msm: v4l2loopback: to create V4L2 loopback devicesE V Ravi2019-03-28
| | | | | | | | | | | | This module allows to create "virtual video devices". Normal (v4l2) applications will read these devices as if they were ordinary video devices. Signed-off-by: E V Ravi <evenka@codeaurora.org> Git-commit:541e3bc7aaf46dc9a21f92c7f527397fce03dfd8 Git-repo: https://github.com/umlaeute/v4l2loopback Revision: v0.12.1 Change-Id: I294a02ee282404ae84e0d7dc62373a172b4f0c23
* [media] media: add CEC notifier supportHans Verkuil2017-06-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for CEC notifiers, which is used to convey CEC physical address information from video drivers to their CEC counterpart driver(s). Based on an earlier version from Russell King: https://patchwork.kernel.org/patch/9277043/ The cec_notifier is a reference counted object containing the CEC physical address state of a video device. When a new notifier is registered the current state will be reported to that notifier at registration time. Change-Id: I00697db780b127a52512a6e55cabac745d8ebfa3 Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Git-commit: 6917a7b774133d60e0cfd8f9ac8bb62ae6ba10aa Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git [rayz@codeaurora.org: resolve merge conflicts by discarding the MAINTAINERS change.] Signed-off-by: Ray Zhang <rayz@codeaurora.org>
* [media] cec: move the CEC framework out of staging and to mediaHans Verkuil2017-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | | The last open issues have been addressed, so it is time to move this out of staging and into the mainline and to move the public cec headers to include/uapi/linux. Conflicts: Documentation/media/Makefile drivers/media/i2c/Kconfig drivers/media/platform/vivid/Kconfig drivers/staging/media/Makefile drivers/staging/media/pulse8-cec/Kconfig drivers/staging/media/s5p-cec/Kconfig drivers/staging/media/st-cec/Kconfig Change-Id: Ie46e780a7d29d773dbb9bd642059695eb580e8ad Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Git-commit: 0dbacebede1e4e44bf500f94d692fad05eb2c293 Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git [rayz@codeaurora.org: make some modifications to the original patch to fix the cherry-pick conflicts. (1) discard the changes in Documentation. (2) discard the CEC adapter driver changes for other vendors because they are not needed.] Signed-off-by: Ray Zhang <rayz@codeaurora.org>
* [media] cec: fix Kconfig dependency problemsHans Verkuil2017-05-24
| | | | | | | | | | | | | | | | | - Use IS_REACHABLE(RC_CORE) instead of IS_ENABLED: if cec is built-in and RC_CORE is a module, then CEC can't reach the RC symbols. - Both cec and cec-edid should be bool and use the same build 'mode' as MEDIA_SUPPORT (just as is done for the media controller code). - Add a note to staging that this should be changed once the cec framework is moved out of staging. Change-Id: If084eab2c2bbca7b9fa5b8959b27b1894b8ec2b7 Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Git-commit: 5bb2399a4fe4a1703c1497b4838c5e8e869d0822 Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git Signed-off-by: Ray Zhang <rayz@codeaurora.org>
* [media] cec-edid: add module for EDID CEC helper functionsHans Verkuil2017-05-22
| | | | | | | | | | | | | | The cec-edid module contains helper functions to find and manipulate the CEC physical address inside an EDID. Even if the CEC support itself is disabled, drivers will still need these functions. Which is the reason this is module is separate from the upcoming CEC framework. Change-Id: Ia20fb7ef771c0455d369029738c509d59f5e4adc Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Git-commit: 29fb44a58ac12bffe4c225f95afdc22364db070e Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git Signed-off-by: Ray Zhang <rayz@codeaurora.org>
* [media] bq/c-qcam, w9966, pms: move to staging in preparation for removalHans Verkuil2014-12-16
| | | | | | | | | | | | | | | | | | These drivers haven't been tested in a long, long time. The hardware is ancient and hopelessly obsolete. These drivers also need to be converted to newer media frameworks but due to the lack of hardware that's going to be impossible. In addition, cheaper and vastly better hardware is available today. So these drivers are a prime candidate for removal. If someone is interested in working on these drivers to prevent their removal, then please contact the linux-media mailinglist. Let's be honest, the age of parallel port webcams and ISA video capture boards is really gone. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] move i2c files into drivers/media/i2cMauro Carvalho Chehab2012-09-06
| | | | | | | | | | | | | | | | | | | | | | | | | | Based on a patch from Sylvester Nawrocki This fixes regression introduced with commmit cb7a01ac324bf2ee2, "[media] move i2c files into drivers/media/i2c". The linked order affect what drivers will be initialized first, when they're built-in at Kernel. While there are macros that allow changing the init order, like subsys_initcall(), late_initcall() & friends, when all drivers linked belong to the same subsystem, it is easier to change the order at the Makefile. All I2C modules must be linked before any drivers that actually use it, in order to ensure proper module initialization order. Also, the core drivers should be initialized before the drivers that use them. This patch reorders the drivers init, in order to fulfill the above requirements. Reported-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Acked-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] rename drivers/media/video as .../platformMauro Carvalho Chehab2012-08-15
| | | | | | | | | The remaining drivers are mostly platform drivers. Name the dir to reflect it. It makes sense to latter break it into a few other dirs. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] move i2c files into drivers/media/i2cMauro Carvalho Chehab2012-08-15
| | | | | | | Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] move parallel port/isa video drivers to drivers/media/parport/Mauro Carvalho Chehab2012-08-15
| | | | | | | We should keep just the I2C drivers under drivers/media/video, and then rename it to drivers/media/i2c. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] siano: break it into common, mmc and usbMauro Carvalho Chehab2012-08-13
| | | | | | | siano is, in fact, 2 drivers: one for MMC and one for USB, plus a common bus-independent code. Break it accordingly. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] common: move media/common/tuners to media/tunersMauro Carvalho Chehab2012-08-13
| | | | | | | Move the tuners one level up, as the "common" directory will be used by drivers that are shared between more than one driver. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] Rename media/dvb as media/pciMauro Carvalho Chehab2012-08-13
| | | | | | | The remaining dvb drivers are pci, so rename them to match the bus. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] dvb-usb: move it to drivers/media/usb/dvb-usbMauro Carvalho Chehab2012-08-13
| | | | | | As media/dvb will be removed, move it to a proper place. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] firewire: move it one level upMauro Carvalho Chehab2012-08-13
| | | | | | | Move firewire to one level up, as the dvb subdirectory will be removed. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] move the dvb/frontends to drivers/media/dvb-frontendsMauro Carvalho Chehab2012-08-13
| | | | | | | Raise the DVB frontends one level up, as the intention is to remove the drivers/media/dvb directory. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] dvb: move the dvb core one level upMauro Carvalho Chehab2012-08-13
| | | | | | | just like the V4L2 core, move the DVB core to drivers/media, as the intention is to get rid of both "video" and "dvb" directories. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] v4l: move v4l2 core into a separate directoryMauro Carvalho Chehab2012-08-13
| | | | | | | Currently, the v4l2 core is mixed together with other non-core drivers. Move them into a separate directory. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: Entities, pads and linksLaurent Pinchart2011-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As video hardware pipelines become increasingly complex and configurable, the current hardware description through v4l2 subdevices reaches its limits. In addition to enumerating and configuring subdevices, video camera drivers need a way to discover and modify at runtime how those subdevices are connected. This is done through new elements called entities, pads and links. An entity is a basic media hardware building block. It can correspond to a large variety of logical blocks such as physical hardware devices (CMOS sensor for instance), logical hardware devices (a building block in a System-on-Chip image processing pipeline), DMA channels or physical connectors. A pad is a connection endpoint through which an entity can interact with other entities. Data (not restricted to video) produced by an entity flows from the entity's output to one or more entity inputs. Pads should not be confused with physical pins at chip boundaries. A link is a point-to-point oriented connection between two pads, either on the same entity or on different entities. Data flows from a source pad to a sink pad. Links are stored in the source entity. To make backwards graph walk faster, a copy of all links is also stored in the sink entity. The copy is known as a backlink and is only used to help graph traversal. The entity API is made of three functions: - media_entity_init() initializes an entity. The caller must provide an array of pads as well as an estimated number of links. The links array is allocated dynamically and will be reallocated if it grows beyond the initial estimate. - media_entity_cleanup() frees resources allocated for an entity. It must be called during the cleanup phase after unregistering the entity and before freeing it. - media_entity_create_link() creates a link between two entities. An entry in the link array of each entity is allocated and stores pointers to source and sink pads. When a media device is unregistered, all its entities are unregistered automatically. The code is based on Hans Verkuil <hverkuil@xs4all.nl> initial work. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: Media deviceLaurent Pinchart2011-03-22
| | | | | | | | | | | The media_device structure abstracts functions common to all kind of media devices (v4l2, dvb, alsa, ...). It manages media entities and offers a userspace API to discover and configure the media device internal topology. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: Media device node supportLaurent Pinchart2011-03-22
| | | | | | | | | | | | | | | The media_devnode structure provides support for registering and unregistering character devices using a dynamic major number. Reference counting is handled internally, making device drivers easier to write without having to solve the open/disconnect race condition issue over and over again. The code is based on video/v4l2-dev.c. [mchehab@redhat.com: Remove linux/smp_lock.h include to not break compilation on bisect] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] rename drivers/media/IR to drives/media/rcMauro Carvalho Chehab2010-12-29
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (13612): IR: Move common IR code to drivers/media/IRMauro Carvalho Chehab2009-12-16
| | | | | | | | | | | | This is the first step of creating a common code for IR that can be used by other input devices. For now, keep IR dir at drivers/media, to easy the movement of the IR files, but later patches may move it to drivers/IR or drivers/input/IR. No functional changes is done on this patch. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (7908): always enter drivers/media/video/Adrian Bunk2008-06-05
| | | | | | | | | | | | | | | | | | | | | | | After commit 039d40019f3c5e26ea50ec5af4270189f63365e1 (V4L/DVB (7898): Fix VIDEO_MEDIA Kconfig logic) VIDEO_MEDIA is no longer usable in Makefile's for deciding which directories we enter, resulting in compile errors like the following with CONFIG_VIDEO_DEV=y, CONFIG_DVB_CORE=m: <-- snip --> ... MODPOST 187 modules ... make[2]: *** [__modpost] Error 1 <-- snip --> The easiest solution is to always enter video/ Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* Fix drivers/media build for modular buildsIngo Molnar2008-05-08
| | | | | | | | | | | | | | | | | | | | | | | | Fix allmodconfig build bug introduced in latest -git by commit 7c91f0624a9 ("V4L/DVB(7767): Move tuners to common/tuners"): LD kernel/built-in.o LD drivers/built-in.o ld: drivers/media/built-in.o: No such file: No such file or directory which happens if all media drivers are modular: http://redhat.com/~mingo/misc/config-Wed_Apr_30_09_24_48_CEST_2008.bad In that case there's no obj-y rule connecting all the built-in.o files and the link tree breaks. The fix is to add a guaranteed obj-y rule for the core vmlinux to build. (which results in an empty object file if all media drivers are modular) Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* V4L/DVB(7767): Move tuners to common/tunersMauro Carvalho Chehab2008-04-29
| | | | | | | | | There were several issues in the past, caused by the hybrid tuner design, since now, the same tuner can be used by drivers/media/dvb and drivers/media/video. Kconfig items were rearranged, to split V4L/DVB core from their drivers. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7499): v4l/dvb Kconfig: Fix bugzilla #10067Mauro Carvalho Chehab2008-04-06
| | | | | | tda8290 breaks if tuner is selected, but CONFIG_DVB=n. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (6814): Makefile: always enter video/Adrian Bunk2007-12-13
| | | | | | | | | Since not all code under drivers/media/video/ depends on CONFIG_VIDEO_DEV we cannot only enter it depending on CONFIG_VIDEO_DEV. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (5599): Use menuconfig objects II - DVBJan Engelhardt2007-05-09
| | | | | | | | | | | Change Kconfig objects from "menu, config" into "menuconfig" so that the user can disable the whole feature without having to enter the menu first. Also remove one indirection (CONFIG_DVB) that does not seem to be really used inside the kernel. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* [PATCH] dvb: avoid building empty built-in.oJohannes Stezenbach2005-09-09
| | | | | | | | | Don't build empty built-in.o when DVB/V4L is not configured. Thanks to Sam Ravnborg and Keith Owens. Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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