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Used for storing subdev information per file handle and hold V4L2 file
handle.
Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Antti Koskipaa <akoskipa@gmail.com>
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>
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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>
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dabusb driver were conceived as an experimental driver for a test
device. The driver never supported any shipped product, and, while
there were some updates on it in 2003, for an ancient product,
those changes were never submitted upstream.
Also, there's no DocBook for its API, nor any upstream discussion.
So, better to remove it, on .39. If later needed, we may rescue it
from git logs. For now, let's move it to staging.
Acked-by: Deti Fliegl <deti@fliegl.de>
Cc: Deti Fliegl <deti@fliegl.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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There's no sense on keeping VIDEO_V4L1 Kconfig option just because of
two deprecated drivers moved to staging scheduled to die on 2.6.39.
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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All of the hard problems for BKL removal appear to be solved in the
v4l-dvb/master tree. This removes the BKL from the various open
functions that do not need it, or only use it to protect an
open count.
The zoran driver is nontrivial in this regard, so I introduce
a new mutex that locks both the open/release and the ioctl
functions. Someone with access to the hardware can probably
improve that by using the existing lock in all cases.
Finally, all drivers that still use the locked version of the
ioctl function now get called under a new mutex instead of
the BKL.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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With all the patches we have queued in the BKL removal tree, only a
few dozen modules are left that actually rely on the BKL, and even
there are lots of low-hanging fruit. We need to decide what to do
about them, this patch illustrates one of the options:
Every user of the BKL is marked as 'depends on BKL' in Kconfig,
and the CONFIG_BKL becomes a user-visible option. If it gets
disabled, no BKL using module can be built any more and the BKL
code itself is compiled out.
The one exception is file locking, which is practically always
enabled and does a 'select BKL' instead. This effectively forces
CONFIG_BKL to be enabled until we have solved the fs/lockd
mess and can apply the patch that removes the BKL from fs/locks.c.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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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>
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Add a kconfig symbol that allows someone to disable all
multimedia config options at one time.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix typo in "DAB adapters" section in Kconfig.
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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devices
initial driver drop, provided by Siano Mobile Silicon, Inc.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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If one of DVB_CORE or VIDEO_DEV is a module, the modules that can be used by
both DVB and V4L cores should also be a module, otherwise, it will break its
dependencies. This Kconfig logic implements the following:
CONFIG_VIDEO_DEV CONFIG_DVB_CORE CONFIG_VIDEO_MEDIA
N N N
N M M
N Y Y
M N M
M M M
M Y M
Y N Y
Y M M
Y Y Y
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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>
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VIDEO_V4L2_COMMON=m
This patch removes zoran checks for VIDEO_V4L2, since this API is always
present, when V4L is selected.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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tuner-simple is the only module that uses tuner-types - these will be
merged to a single module in the future. For now, build both of them
if TUNER_SIMPLE is selected.
This fixes the following build warning, if tuner-simple is selected
without tuner-types:
WARNING: "tuner_count" [tuner-simple.ko] undefined!
WARNING: "tuners" [tuner-simple.ko] undefined!
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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videobuf-dma-sg does not need to depend on PCI. Switch it to using generic
DMA API, convert all affected drivers, relax Kconfig restriction, improve
compile-time type checking, fix some Coding Style violations while at it.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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videobuf-dma-sg.c should be converted to the generic DMA API to make it
also useful for non-PCI configurations. Even now it can be used thanks
to compatibility macros in include/asm-generic/pci-dma-compat.h. This
has been verified to work on PXA270 CPU with the pxa_camera.c soc-camera
driver. For this the following temporary work-around is needed.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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tuner-types is needed for tuner-simple, and does not need to be bound
to tuner-core. Any caller of tuner-simple, including tuner-core, needs
to pass a structure from tuner-types into tuner-simple at attach-time.
Export the two needed symbols from tuner-types for now, so that card-level
drivers can attach tuner-simple for hybrid dvb_frontend devices. We will
remove this dependency altogether as tuner refactoring phase 3 progresses.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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As pointed by Adrian Bunk, with I2C=m and VIDEO_DEV=y, videodev brokes.
This patch moves the functions that videodev needs from v4l2-common. It also
fixes some Kconfig changes.
After this patch, I2C=m / VIDEO_DEV=y will make v4l2 core statically linked
into kernel. v4l2-common will be m, and all V4L drivers will also be m.
This approach is very conservative, since it is possible to have V4L drivers
that don't need I2C or v4l2-common. The better is to map what drivers really
need v4l2-common, making them to select v4l2-common, and allowing the others to
be 'y', 'm' and 'n'.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Adrian Bunk reported:
> > Commit 8ffbc6559493c64d6194c92d856196fdaeb8a5fb causes the following
> > compile error with CONFIG_VIDEO_DEV=y/m, CONFIG_I2C=n:
> >
> > <-- snip -->
> >
> > ...
> > MODPOST 26 modules
> > ERROR: "i2c_attach_client" [drivers/media/video/v4l2-common.ko] undefined!
> > make[2]: *** [__modpost] Error 1
> >
> > <-- snip -->
...
And what should happen if CONFIG_VIDEO_DEV=y, CONFIG_I2C=m?
CC: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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analog demod
Add basic support for NXP TDA8295 analog demod and TDA18271 tuner silicon.
TDA8295 + TDA8275a not yet tested.
TDA8290 + TDA18271 not yet supported.
Digital mode of TDA18271 not yet tested & needs more work.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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tda827x module
Add analog tuning support to tda827x dvb_frontend tuner module.
Convert tda8290 module back to native tuner interface.
The tda8290 analog demodulator will be handled the same way as tda9887.
The tuner.ko module (tuner-core) will pass commands to tda8290 via the
tuner_operations interface. tda8290 will communicate with tda827x via
the dvb_frontend interface, while passing a pointer to a private data
structure.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This changeset converts tuner-xc2028 to the newer hybrid approach. It also
prevents creating twice the xc3028 private struct by both DVB and V4L parts.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Media ir-functions uses input_(*) functions so it should depend
on the INPUT config symbol.
drivers/built-in.o: In function `ir_input_key_event':
ir-functions.c:(.text+0x10849a): undefined reference to `input_event'
ir-functions.c:(.text+0x1084ac): undefined reference to `input_event'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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It needs to select VIDEOBUF_GEN and VIDEOBUF_DMA_SG, since it uses those
modules.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Thanks to Michael Krufky for pointing this to me.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Adds a newer videobuf-vmalloc module. This module uses the same
videobuf controls, but implements memory allocation based on vmalloc
methods.
With this method, an USB driver can use video-buf, without needing to
request memory from the DMA-safe area.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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PCI-dependent videobuf_foo methods were renamed as videobuf_pci_foo.
Also, videobuf_dmabuf is now part of videobuf-dma-sg private struct.
So, to access it, a subroutine call is needed.
This patch renames all occurences of those function calls to be
consistent with the video-buf split.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981
Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
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Break tuner.ko into separate modules. This was a quick change -
Tuner sub-drivers are still static-linked to tuner.ko, this will
change after using dvb_attach and removing the probing functions.
After this change, one can deselect undesired tuner sub-drivers via Kconfig.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Mike Isely <isely@pobox.com>
Acked-by: Steven Toth <stoth@hauppauge.com>
Acked-by: Patrick Boettcher <pb@linuxtv.org>
Acked-by: Jarod Wilson <jwilson@redhat.com>
Acked-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Potentially, all board types with I2C and IR support can use an i2c
based IR. Currently, the driver is selected only if bt848 or saa7134
boards are selected.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (44 commits)
V4L/DVB (5571): V4l1-compat: Make VIDIOCSPICT return errors in a useful way
V4L/DVB (5624): Radio-maestro.c cleanup
V4L/DVB (5623): Dsbr100.c Replace usb_dsbr100_do_ioctl to use video_ioctl2
V4L/DVB (5622): Radio-zoltrix.c cleanup
V4L/DVB (5621): Radio-cadet.c Replace cadet_do_ioctl to use video_ioctl2
V4L/DVB (5619): Dvb-usb: fix typo
V4L/DVB (5618): Cx88: Drop the generic i2c client from cx88-vp3054-i2c
V4L/DVB (5617): V4L2: videodev, allow debugging
V4L/DVB (5614): M920x: Disable second adapter on LifeView TV Walker Twin
V4L/DVB (5613): M920x: loosen up 80-col limit
V4L/DVB (5612): M920x: rename function prefixes from m9206_foo to m920x_foo
V4L/DVB (5611): M920x: replace deb_rc with deb
V4L/DVB (5610): M920x: remove duplicated code
V4L/DVB (5609): M920x: group like functions together
V4L/DVB (5608): M920x: various whitespace cleanups
V4L/DVB (5607): M920x: Initial support for devices likely manufactured by Dposh
V4L/DVB (5606): M920x: add "c-basic-offset: 8" to help emacs to enforce tabbing
V4L/DVB (5605): M920x: Add support for LifeView TV Walker Twin
V4L/DVB (5603): V4L: Prevent queueing queued buffers.
V4L/DVB (5602): Enable DiSEqC in Starbox II (vp7021a)
...
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Add "depends on HAS_IOMEM" to a number of menus to make them
disappear for s390 which does not have I/O memory.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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DABUSB driver were a little lost at Multimedia core menu.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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m68k allmodconfig:
drivers/media/video/video-buf.c: In function 'videobuf_queue_pci':
drivers/media/video/video-buf.c:396: error: 'pci_map_sg' undeclared (first use in this function)
drivers/media/video/video-buf.c:396: error: (Each undeclared identifier is reported only once
drivers/media/video/video-buf.c:396: error: for each function it appears in.)
drivers/media/video/video-buf.c:399: error: 'pci_dma_sync_sg_for_cpu' undeclared (first use in this function)
drivers/media/video/video-buf.c:401: error: 'pci_unmap_sg' undeclared (first use in this function)
drivers/media/video/video-buf.c: In function 'videobuf_pci_dma_map':
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The VIDEO_V4L2 config setting is enabled unconditionally, even for
configurations with no support for this subsystem whatsoever. The
following patch adds the necessary dependency.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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V4L1 support should be disabled when no CONFIG_VIDEO_V4L1_COMPAT is defined,
to allow checking for broken V4L2 ports. This is very important during the
migration phase for V4L2 API.
However, userspace apps should be capable of using both APIs, since they need
to test at runtime, via VIDIOCGCAP ioctl, if V4L1 is supported. So, when
__KERNEL__ is not defined, those ioctls and corresponding structs should be
visible.
This patch also removes the obsolete defines HAVE_V4L1 and HAVE_V4L2, that
where causing some confusion, and were replaced by CONFIG_VIDEO_V4L1_COMPAT
and CONFIG_VIDEO_V4L2.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The cx2341x mpeg encoder module is used by cx88-blackbird, pvrusb2 and
the external ivtv driver. This patch allows for cx2341x to be selected without
having to also select cx88-blackbird. This will be needed to build the external
ivtv driver or the standalone pvrusb2 driver against kernel 2.6.18
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Adds the cx2341x.c module that handles the programming of the Conexant
cx23415/6 MPEG encoder chip used by cx88-blackbird, pvrusb2 and ivtv.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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V4L1 API is depreciated and should be removed soon from kernel. This patch
adds two new options, one to disable V4L1 drivers, and another to disable
V4L1 compat module. This way, it would be easy to check what still depends
on V4L1 stuff, allowing also to test if app works fine with V4L2 only support.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Because of historic reasons, there are two separate directories with
V4L stuff. Most drivers are located at driver/media/video. However, some
code for USB Webcams were inserted under drivers/usb/media.
This makes difficult for module authors to know were things should be.
Also, makes Kconfig menu confusing for normal users.
This patch moves all V4L content under drivers/usb/media to
drivers/media/video, and fixes Kconfig/Makefile entries.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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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