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13 years ago[media] s5p-fimc: Add runtime PM support in the camera capture driver
Sylwester Nawrocki [Wed, 24 Aug 2011 23:45:34 +0000 (20:45 -0300)]
[media] s5p-fimc: Add runtime PM support in the camera capture driver

Add support for whole pipeline suspend/resume. Sensors must support
suspend/resume through s_power subdev operation.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Use consistent names for the buffer list functions
Sylwester Nawrocki [Fri, 10 Jun 2011 18:36:59 +0000 (15:36 -0300)]
[media] s5p-fimc: Use consistent names for the buffer list functions

Also correct and improve *_queue_add/pop functions description.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add v4l2_device notification support for single frame capture
Sylwester Nawrocki [Fri, 10 Jun 2011 18:36:58 +0000 (15:36 -0300)]
[media] s5p-fimc: Add v4l2_device notification support for single frame capture

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add support for JPEG capture
Sylwester Nawrocki [Fri, 26 Aug 2011 17:57:06 +0000 (14:57 -0300)]
[media] s5p-fimc: Add support for JPEG capture

Add support for transparent DMA transfer of JPEG data with MIPI-CSI2
USER1 format. In JPEG mode the color effect, scaling and cropping
is not supported as well as image rotation and flipping thus these
controls are marked as inactive if V4L2_PIX_FMT_JPEG pixel format
was selected.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add subdev for the FIMC processing block
Sylwester Nawrocki [Wed, 24 Aug 2011 23:35:30 +0000 (20:35 -0300)]
[media] s5p-fimc: Add subdev for the FIMC processing block

Add a subdev to expose the host's scaling and composition functions.
The camera frame composition onto an output buffer may be configured
through set/get_crop at FIMC.{n} source pad.
Additionally allow crop, composition and controls to be modified
during streaming. Make sure the default format is set when opening
the video capture node.
Rename struct fimc_vid_cap::fmt to more relevant 'mf' to avoid
confusion.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Convert to use media pipeline operations
Sylwester Nawrocki [Fri, 26 Aug 2011 17:51:00 +0000 (14:51 -0300)]
[media] s5p-fimc: Convert to use media pipeline operations

In the camera capture driver use fimc_pipeline_* calls provided by
the media device driver part, in place where v4l2_subdev_call() were
used. This way the capture driver don't need to differentiate between
various H/W pipeline setups, i.e. if the MIPI-CSI receiver subdev is
used or not.

Remove the sync_capture_fmt() function instead of which
fimc_pipeline_try_format() is introduced in the following patch adding
the FIMC capture subdev.

The TRY_FMT ioctl function is completed by a subsequent patch adding
the capture subdev, so the try_fmt routines can be reused in the subdev
and the video node ioctl handlers.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Correct color format enumeration
Sylwester Nawrocki [Mon, 13 Jun 2011 14:09:40 +0000 (11:09 -0300)]
[media] s5p-fimc: Correct color format enumeration

Replace fimc_find_format() and find_mbus_format() with single function
that can return a pointer to the private format description based
on fourcc, media bus code or index in the table.

Create separate VIDIOC_ENUM_FMT ioctl handlers for video capture
and mem-to-mem video node. This is needed because some formats are
valid only for the video capture and some only for the mem-to-mem
video node.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add PM helper function for streaming control
Sylwester Nawrocki [Fri, 10 Jun 2011 18:36:53 +0000 (15:36 -0300)]
[media] s5p-fimc: Add PM helper function for streaming control

Move the camera capture H/W initialization sequence to a separate
function. This is needed for reuse in the following runtime PM code.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add media operations in the capture entity driver
Sylwester Nawrocki [Wed, 24 Aug 2011 22:28:18 +0000 (19:28 -0300)]
[media] s5p-fimc: Add media operations in the capture entity driver

Add the link_setup handler for the camera capture video node.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Convert to the new control framework
Sylwester Nawrocki [Wed, 24 Aug 2011 22:25:10 +0000 (19:25 -0300)]
[media] s5p-fimc: Convert to the new control framework

Convert the v4l controls code to use the new control framework.

fimc_ctrls_activate/deactivate functions are introduced for the
transparent DMA transfer mode (JPEG), where the rotation and flipping
controls are not supported.

The capture video node does not inherit sensors' controls when the
subdevs are configured by the user space (user_subdev_api == true).
However by default after the driver's initialization
the 'user-subdev_api' flag is false and any sensor controls will
also be available at the video node.

When the pipeline links are disconnected through the media device
the FIMC and any sensor inherited controls are destroyed and then
again created when the pipeline connection completes.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Conversion to use struct v4l2_fh
Sylwester Nawrocki [Fri, 10 Jun 2011 18:36:50 +0000 (15:36 -0300)]
[media] s5p-fimc: Conversion to use struct v4l2_fh

This is a prerequisite for the patch converting the driver to use
the control framework. As the capture driver does not use per file
handle contexts, two separate ioctl handlers are created for it
(vidioc_try_fmt_mplane, and vidioc_g_fmt_mplane) so there is no
handlers shared between the memory-to-memory and capture video node.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add the media device driver
Sylwester Nawrocki [Thu, 1 Sep 2011 09:01:08 +0000 (06:01 -0300)]
[media] s5p-fimc: Add the media device driver

Add a top level media device driver aggregating FIMC video devnodes,
MIPI-CSIS and sensor subdevs. This driver gathers all media entities
and creates the possible links between them during initialization. By
default some links will be activated to enable access to all available
sensors in the system. For example if there are sensors S0, S1 listed
in the media device platform data definition they will be by default
assigned to FIMC0, FIMC1 respectively, which in turn will corresponds
to separate /dev/video?.
There is enough FIMC H/W entities to cover all available physical camera
interfaces in the system.

The fimc media device driver is bound to the "s5p-fimc-md" platform device.
Such platform device should be created by board initialization code
and camera sensors description array need to be specified as its
platform data.

The media device driver also implements various video pipeline operations,
for enabling subdevs power, streaming, etc., which will be used by the
capture video node driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Remove v4l2_device from video capture and m2m driver
Sylwester Nawrocki [Fri, 10 Jun 2011 18:36:48 +0000 (15:36 -0300)]
[media] s5p-fimc: Remove v4l2_device from video capture and m2m driver

Currently there is a v4l2_device instance being registered per each
(capture and memory-to-memory) video node created per FIMC H/W instance.
This patch is a prerequisite for using the top level v4l2_device
instantiated by the media device driver.
To retain current debug trace semantic (so it's possible to distinguish
between the capture and m2m FIMC) the video_device is used in place
of v4l2_device where appropriate.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Remove sensor management code from FIMC capture driver
Sylwester Nawrocki [Tue, 26 Jul 2011 21:29:50 +0000 (18:29 -0300)]
[media] s5p-fimc: Remove sensor management code from FIMC capture driver

The sensor subdevs need to be shared between all available FIMC instances.
Remove their registration from FIMC capture driver so they can then be
registered to the media device driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Limit number of available inputs to one
Sylwester Nawrocki [Tue, 26 Jul 2011 21:27:59 +0000 (18:27 -0300)]
[media] s5p-fimc: Limit number of available inputs to one

The current driver allowed camera sensors to be used only with single
FIMC H/W instance, FIMC0..FIMC2/3, designated at compile time. Remaining FIMC
entities could be used for video processing only, as mem-to-mem devices.
Required camera could be selected with S_INPUT ioctl at one devnode only.

However in that case it was not possible to use both cameras independently
at the same time, as all sensors were registered to single FIMC capture
driver. In most recent S5P SoC version there is enough FIMC H/W instances
to cover all physical camera interfaces.
Each FIMC instance exports its own video devnode. Thus we distribute
the camera sensors one per each /dev/video? by default. It will allow to
use both camera simultaneously by opening different video node.

The camera sensors at FIMC are now not selected with S_INPUT ioctl, there
is one input only available per /dev/video?.

By default a single sensor is connected at FIMC input as specified by the
media device platform data subdev description table. This assignment
can be changed at runtime through the pipeline reconfiguration at the media
device level.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Remove sclk_cam clock handling
Sylwester Nawrocki [Fri, 10 Jun 2011 18:36:45 +0000 (15:36 -0300)]
[media] s5p-fimc: Remove sclk_cam clock handling

There are 2 separate clock outputs available in the SoC for external sensors.
These two clocks can be shared among all FIMC entities and there is
currently no any arbitration of the clocks in the driver.

So make the capture driver not touching these clocks and let them be
be properly handled at the media device driver level, enabling proper
arbitration between FIMC entities.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Remove registration of video nodes from probe()
Sylwester Nawrocki [Fri, 26 Aug 2011 18:40:36 +0000 (15:40 -0300)]
[media] s5p-fimc: Remove registration of video nodes from probe()

Do not register video nodes during FIMC device probe. Also make
fimc_register_m2m_device() public for use by the media device driver.
The video nodes are to be registered during the media device driver
initialization, altogether with the subdev devnodes. The video
capture nodes need to be registered as last ones when the remaining
pipeline elements are already initialized.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add media entity initialization
Sylwester Nawrocki [Tue, 26 Jul 2011 21:08:21 +0000 (18:08 -0300)]
[media] s5p-fimc: Add media entity initialization

Add intialization of the media entities for video capture
and mem-to-mem video nodes. The mem-to-mem entity has no pads
whereas the capture entity has single sink pad.
Also clean up the video node naming for consistency.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-csis: Rework the system suspend/resume helpers
Sylwester Nawrocki [Thu, 7 Jul 2011 15:13:25 +0000 (12:13 -0300)]
[media] s5p-csis: Rework the system suspend/resume helpers

Do not resume the device during system resume if it was idle
before system suspend, as this causes resume from suspend
to RAM failures on Exynos4. For this purpose runtime PM and
system sleep helpers are separated.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-csis: Handle all available power supplies
Sylwester Nawrocki [Wed, 29 Jun 2011 16:08:49 +0000 (13:08 -0300)]
[media] s5p-csis: Handle all available power supplies

On the SoCs this driver is intended to support the are three separate
pins to supply the MIPI-CSIS subsystem: 1.1V or 1.2V, 1.8V and power
supply for an internal PLL.
This patch adds support for two separate voltage supplies to cover
properly board configurations where PMIC requires to configure
independently each external supply of the MIPI-CSI device. The 1.8V
and PLL supply are assigned a single "vdd18" regulator supply name
as it seems more reasonable than creating separate regulator supplies
for them.

While at here stop using the 'fixed_phy_vdd' platform_data field.
It has been introduced for boards where the MIPI-CSIS supplies are
not controllable. However it is not needed as those boards can use
the dummy regulator.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] s5p-fimc: Add runtime PM support in the mem-to-mem driver
Sylwester Nawrocki [Fri, 2 Sep 2011 09:25:32 +0000 (06:25 -0300)]
[media] s5p-fimc: Add runtime PM support in the mem-to-mem driver

Add runtime PM and system sleep support in the memory-to-memory
driver. It's required to enable the FIMC operation on Exynos4
SoCs. This patch prevents system boot failure when the driver
is compiled in, as it now tries to access its I/O memory without
first enabling the corresponding power domain.

The camera capture device suspend/resume is not fully covered,
the capture device is just powered on/off during the video
node open/close. However this enables it's normal operation
on Exynos4 SoCs.

[mchehab@redhat.com: fix a small checkpatch error]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: vb2: change queue initialization order
Marek Szyprowski [Mon, 29 Aug 2011 11:51:49 +0000 (08:51 -0300)]
[media] media: vb2: change queue initialization order

This patch changes the order of operations during stream on call. Now the
buffers are first queued to the driver and then the start_streaming method
is called.

This resolves the most common case when the driver needs to know buffer
addresses to enable dma engine and start streaming. Additional parameter
to start_streaming method have been added to simplify drivers code. The
driver are now obliged to check if the number of queued buffers is high
enough to enable hardware streaming. If not - it can return an error. In
such case all the buffers that have been pre-queued are invalidated.

This patch also updates all videobuf2 clients to work properly with the
changed order of operations.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
CC: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
CC: Hans Verkuil <hverkuil@xs4all.nl>
CC: Tomasz Stanislawski <t.stanislaws@samsung.com>
CC: Sylwester Nawrocki <s.nawrocki@samsung.com>
CC: Kamil Debski <k.debski@samsung.com>
CC: Jonathan Corbet <corbet@lwn.net>
CC: Josh Wu <josh.wu@atmel.com>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Paul Mundt <lethal@linux-sh.org>
Tested-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: vb2: fix userptr VMA release seq
Yu Tang [Tue, 30 Aug 2011 05:31:54 +0000 (02:31 -0300)]
[media] media: vb2: fix userptr VMA release seq

Align vb2 user pointer VMA release sequence with munmap.
Do vm_ops->vm_close before release file.

Signed-off-by: Yu Tang <ytang5@marvell.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: vb2: dma contig allocator: use dma_addr instread of paddr
Marek Szyprowski [Mon, 29 Aug 2011 06:20:56 +0000 (03:20 -0300)]
[media] media: vb2: dma contig allocator: use dma_addr instread of paddr

Use the correct 'dma_addr' name for the buffer address. 'paddr' suggested
that this is the physical address in system memory. For most ARM platforms
these two are the same, but this is not a generic rule. 'dma_addr' will
also point better to dma-mapping api.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: vb2: change plane sizes array to unsigned int[]
Marek Szyprowski [Wed, 24 Aug 2011 09:43:36 +0000 (06:43 -0300)]
[media] media: vb2: change plane sizes array to unsigned int[]

Plane sizes array was declared as unsigned long[], while unsigned int is
more than enough for storing size of the video buffer. This patch reduces
the size of the array by definiting it as unsigned int[].

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: vb2: fix handling MAPPED buffer flag
Marek Szyprowski [Wed, 24 Aug 2011 09:49:35 +0000 (06:49 -0300)]
[media] media: vb2: fix handling MAPPED buffer flag

MAPPED flag was set for the buffer only if all it's planes were mapped and
relied on a simple mapping counter. This assumption is really bogus,
especially because the buffers may be mapped multiple times. Also the
meaning of this flag for muliplane buffers was not really useful. This
patch fixes this issue by setting the MAPPED flag for the buffer if any of
it's planes is in use (what means that has been mapped at least once), so
MAPPED flag can be used as 'in_use' indicator.

Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: vb2: add a check if queued userptr buffer is large enough
Marek Szyprowski [Wed, 24 Aug 2011 09:36:26 +0000 (06:36 -0300)]
[media] media: vb2: add a check if queued userptr buffer is large enough

Videobuf2 accepted any userptr buffer without verifying if its size is
large enough to store the video data from the driver. The driver reports
the minimal size of video data once in queue_setup and expects that
videobuf2 provides buffers that match these requirements. This patch
adds the required check.

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: mem2mem: eliminate possible NULL pointer dereference
Andrzej Pietrasiewicz [Thu, 25 Aug 2011 10:21:21 +0000 (07:21 -0300)]
[media] media: mem2mem: eliminate possible NULL pointer dereference

This patch removes the possible NULL pointer dereference in mem2mem
code.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] media: v4l: remove single to multiplane conversion
Tomasz Stanislawski [Fri, 1 Jul 2011 09:25:46 +0000 (06:25 -0300)]
[media] media: v4l: remove single to multiplane conversion

This patch removes an implicit conversion between multi and single plane
formats from V4L2 framework. The conversion is to be performed by libv4l2.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] v4l2-ioctl: more -ENOTTY fixes
Hans Verkuil [Tue, 9 Aug 2011 12:32:06 +0000 (09:32 -0300)]
[media] v4l2-ioctl: more -ENOTTY fixes

  explicitly instead of using a macro.
  ioctls and the ENUMSTD, S_STD and G_PARM ioctls.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] ivtv: fill in service_set
Hans Verkuil [Fri, 29 Jul 2011 10:21:33 +0000 (07:21 -0300)]
[media] ivtv: fill in service_set

The service_set field of struct v4l2_sliced_vbi_cap was never filled in.
The v4l2-compliance tool complained about this, so this is now fixed.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] vivi: fill in colorspace
Hans Verkuil [Fri, 29 Jul 2011 10:19:46 +0000 (07:19 -0300)]
[media] vivi: fill in colorspace

The colorspace was never filled in, causing complaints from v4l2-compliance.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] dvb_frontend: fix compile warning
Hans Verkuil [Sat, 27 Aug 2011 14:30:25 +0000 (11:30 -0300)]
[media] dvb_frontend: fix compile warning

Andreas Oberritter <obi@linuxtv.org> has looked at this and agreed that it is
safe to remove the 'timeout' variable.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] si470x: fix compile warning
Hans Verkuil [Sat, 27 Aug 2011 14:25:31 +0000 (11:25 -0300)]
[media] si470x: fix compile warning

Tobias Lorenz <tobias.lorenz@gmx.net> has looked at this and agreed that the
'buf' variable could be removed.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] vpx3220, bt819: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 13:52:53 +0000 (10:52 -0300)]
[media] vpx3220, bt819: fix compiler warnings

Same status/res mixup.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] drxd_hard: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 13:47:15 +0000 (10:47 -0300)]
[media] drxd_hard: fix compiler warnings

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] mantis: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 13:40:07 +0000 (10:40 -0300)]
[media] mantis: fix compiler warnings

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] az6027: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 13:36:59 +0000 (10:36 -0300)]
[media] az6027: fix compiler warnings

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tvaudio: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 13:24:16 +0000 (10:24 -0300)]
[media] tvaudio: fix compiler warnings

This is indeed a bug: balance and volume must be used to set the left and right
channel volume. Fixed.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] af9005-fe: fix compiler warning
Hans Verkuil [Thu, 25 Aug 2011 13:17:39 +0000 (10:17 -0300)]
[media] af9005-fe: fix compiler warning

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] mxl5005s: fix compiler warning
Hans Verkuil [Thu, 25 Aug 2011 13:10:32 +0000 (10:10 -0300)]
[media] mxl5005s: fix compiler warning

Removed the unused Xtal_Int variable. That made it also possible to remove a
related function. However, the code of that function has been preserved in a
comment describing an equation. Without that function that comment would
have been hard to understand.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] ddbridge: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 12:59:16 +0000 (09:59 -0300)]
[media] ddbridge: fix compiler warnings

'off' was unused and 'ret' really had to be used to return -EFAULT.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] saa7146: fix compiler warning
Hans Verkuil [Thu, 25 Aug 2011 12:54:30 +0000 (09:54 -0300)]
[media] saa7146: fix compiler warning

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] wl128x: fix compiler warning + wrong write() return
Hans Verkuil [Thu, 25 Aug 2011 12:43:49 +0000 (09:43 -0300)]
[media] wl128x: fix compiler warning + wrong write() return

The fix is to check for ret and return -EFAULT if non-zero.

I also noticed that write() didn't return the number of bytes written.
Fixed as well.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] mt20xx.c: fix compiler warnings
Hans Verkuil [Thu, 25 Aug 2011 12:36:42 +0000 (09:36 -0300)]
[media] mt20xx.c: fix compiler warnings

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] radio-si4713.c: fix compiler warning
Hans Verkuil [Thu, 25 Aug 2011 12:14:57 +0000 (09:14 -0300)]
[media] radio-si4713.c: fix compiler warning

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] dvb-usb: refactor MFE code for individual streaming config per frontend
Michael Krufky [Tue, 6 Sep 2011 12:31:57 +0000 (09:31 -0300)]
[media] dvb-usb: refactor MFE code for individual streaming config per frontend

refactor MFE code to allow for individual streaming configuration
for each frontend

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] dvb-usb: add ATSC support for the Hauppauge WinTV-Aero-M
Michael Krufky [Mon, 29 Aug 2011 03:05:35 +0000 (00:05 -0300)]
[media] dvb-usb: add ATSC support for the Hauppauge WinTV-Aero-M

Adds new driver, mxl111sf, to support the WinTV-Aero-M

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Reviewed-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] drxd: fix divide error
Edward Sheldrake [Fri, 26 Aug 2011 15:59:30 +0000 (12:59 -0300)]
[media] drxd: fix divide error

Fix division by zero in drxd triggered by running "femon" before any DVB
tuning has been done (by "scandvb" or anything else).

Signed-off-by: Edward Sheldrake <ejsheldrake@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] gspca: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:57 +0000 (19:56 -0300)]
[media] gspca: Use current logging styles

Add pr_fmt.
Convert usb style logging macros to pr_<level>.
Remove now unused old usb style logging macros.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: check function pointers on reinitialize
Andreas Oberritter [Wed, 24 Aug 2011 17:33:52 +0000 (14:33 -0300)]
[media] DVB: dvb_frontend: check function pointers on reinitialize

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] t613: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:56 +0000 (19:56 -0300)]
[media] t613: Use current logging styles

Add pr_fmt.
Convert usb style logging macros to pr_<level>.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] sn9c20x: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:55 +0000 (19:56 -0300)]
[media] sn9c20x: Use current logging styles

Add pr_fmt.
Convert usb style logging macros to pr_<level>.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] pac207: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:54 +0000 (19:56 -0300)]
[media] pac207: Use current logging styles

Add pr_fmt.
Convert usb style logging macros to pr_<level>.
Coalesce formats.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] finepix: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:53 +0000 (19:56 -0300)]
[media] finepix: Use current logging styles

Add pr_fmt.
Convert usb style logging macros to pr_<level>.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] m5602: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:52 +0000 (19:56 -0300)]
[media] m5602: Use current logging styles

Add pr_fmt and convert usb style logging macro uses to pr_<level>.
Coalesce format strings.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] gl860: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:51 +0000 (19:56 -0300)]
[media] gl860: Use current logging styles

Add pr_fmt.
Convert err macro use to pr_err.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] et61x251: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:50 +0000 (19:56 -0300)]
[media] et61x251: Use current logging styles

Add pr_fmt and convert printks to pr_<level>
Remove explicit prefixes from logging messages.
One of the prefixes was defective, a copy/paste error.
Use ##__VA_ARGS__ for variadic macros.
Whitespace neatening.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] bt8xx: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:48 +0000 (19:56 -0300)]
[media] bt8xx: Use current logging styles

This converts some messages that were emitted at
KERN_INFO to KERN_DEBUG.  All of these messages
were guarded by bttv_debug tests.

Add pr_fmt.
Convert printks to pr_<level>
Convert printks without KERN_<level> to appropriate pr_<level>.
Removed embedded prefixes when pr_fmt was added.
Whitespace cleanups when around other conversions.
Macros coded with if statements should be do { if... } while (0)
so the macros can be used in other if tests.
Use ##__VA_ARGS__ for variadic macro as well.
Coalesce format strings.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] winbond-cir: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:47 +0000 (19:56 -0300)]
[media] winbond-cir: Use current logging styles

Add pr_fmt, convert printks to pr_<level>.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] ene_ir: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:46 +0000 (19:56 -0300)]
[media] ene_ir: Use current logging styles

Add pr_fmt.
Convert ene_warn and ene_notice to pr_<level>.
Use pr_debug in __dbg macro and a little neatening.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] rc-core.h: Surround macro with do {} while (0)
Joe Perches [Sun, 21 Aug 2011 22:56:45 +0000 (19:56 -0300)]
[media] rc-core.h: Surround macro with do {} while (0)

Macros coded with if statements should be do { if... } while (0)
so the macros can be used in other if tests.

Use ##__VA_ARGS__ for variadic macro as well.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] saa7146: Use current logging styles
Joe Perches [Sun, 21 Aug 2011 22:56:44 +0000 (19:56 -0300)]
[media] saa7146: Use current logging styles

Standardize the mechanisms to emit logging messages.

A few other modules used an #include from saa7146,
convert those at the same time.

Add pr_fmt.
Convert printks to pr_<level>
Convert printks without KERN_<level> to appropriate pr_<level>.
Convert logging macros requiring multiple parentheses to normal style.
Removed embedded prefixes when pr_fmt was added.
Whitespace cleanups when around other conversions.
Use printf extension %pM to print mac address.
Coalesce format strings.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Michael Hunold <michael@mihu.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] em28xx: don't sleep on disconnect
Chris Rankin [Sat, 20 Aug 2011 19:01:26 +0000 (16:01 -0300)]
[media] em28xx: don't sleep on disconnect

The DVB framework will try to power-down an adapter that no-one is using
any more, but this assumes that the adapter is still connected to the
machine. That's not always true for a USB adapter, so disable the sleep
operations when the adapter has been physically unplugged.

This prevents I2C write failures with error -19 from appearing
occasionally in the dmesg log.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] em28xx: move printk lines outside mutex lock
Chris Rankin [Sat, 20 Aug 2011 11:31:05 +0000 (08:31 -0300)]
[media] em28xx: move printk lines outside mutex lock

There's no reason to still be holding the device list mutex for either of these
printk statements.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] em28xx: clean up resources should init fail
Chris Rankin [Sat, 20 Aug 2011 11:28:17 +0000 (08:28 -0300)]
[media] em28xx: clean up resources should init fail

This patch ensures that the em28xx_init_dev() function cleans up after itself,
in the event that it fails. This isimportant because the struct em28xx will be
deallocated if em28xx_init_dev() returns an error.

[mchehab@redhat.com: Fix merge conflicts and simplify the goto labels]
Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] em28xx: use atomic bit operations for devices-in-use mask
Chris Rankin [Sat, 20 Aug 2011 11:21:03 +0000 (08:21 -0300)]
[media] em28xx: use atomic bit operations for devices-in-use mask

Use atomic bit operations for the em28xx_devused mask, to prevent an
unlikely race condition should two adapters be plugged in
simultaneously. The operations also clearer than explicit bit
manipulation anyway.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] em28xx: pass correct buffer size to snprintf
Chris Rankin [Sat, 20 Aug 2011 11:08:34 +0000 (08:08 -0300)]
[media] em28xx: pass correct buffer size to snprintf

snprintf()'s size parameter includes space for the terminating '\0' character.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: increment minor version after addition of SYS_TURBO
Andreas Oberritter [Tue, 16 Aug 2011 14:04:07 +0000 (11:04 -0300)]
[media] DVB: increment minor version after addition of SYS_TURBO

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: remove static assignments from dtv_property_cache_sync()
Andreas Oberritter [Tue, 16 Aug 2011 14:04:06 +0000 (11:04 -0300)]
[media] DVB: dvb_frontend: remove static assignments from dtv_property_cache_sync()

  dtv_property_cache_init().
  dtv_property_process_get().
  overwritten with invalid values, leading to partially incorrect
  results when calling FE_GET_PROPERTY.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] drivers/media: do not use EXTRA_CFLAGS
Arnaud Lacombe [Mon, 15 Aug 2011 05:07:08 +0000 (02:07 -0300)]
[media] drivers/media: do not use EXTRA_CFLAGS

Usage of these flags has been deprecated for nearly 4 years by:

    commit f77bf01425b11947eeb3b5b54685212c302741b8
    Author: Sam Ravnborg <sam@neptun.(none)>
    Date:   Mon Oct 15 22:25:06 2007 +0200

        kbuild: introduce ccflags-y, asflags-y and ldflags-y

Moreover, these flags (at least EXTRA_CFLAGS) have been documented for command
line use. By default, gmake(1) do not override command line setting, so this is
likely to result in build failure or unexpected behavior.

Replace their usage by Kbuild's `{as,cc,ld}flags-y'.

Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: linux-media@vger.kernel.org
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] Add missing OK key to PCTV IR keymap
Chris Rankin [Sun, 14 Aug 2011 12:18:46 +0000 (09:18 -0300)]
[media] Add missing OK key to PCTV IR keymap

Hi,

The following patch adds the IR code for the missing "OK" key to the Pinnacle
PCTV HD map. This map is now used by the PCTV 290e DVB-T2 device, whose remote
control has 26 buttons.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] drivers/media/video/zr364xx.c: add missing cleanup code
Julia Lawall [Fri, 12 Aug 2011 11:40:08 +0000 (08:40 -0300)]
[media] drivers/media/video/zr364xx.c: add missing cleanup code

It seems just as necessary to free cam->vdev and cam in this error case as
in the next one.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] MAINTAINERS: add entries for s5p-mfc and s5p-tv drivers
Marek Szyprowski [Wed, 10 Aug 2011 09:32:29 +0000 (06:32 -0300)]
[media] MAINTAINERS: add entries for s5p-mfc and s5p-tv drivers

Both driver has been merged to v3.1-rc1, so add its authors as maintainers.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] ddbridge: fix ddb_ioctl()
Dan Carpenter [Tue, 9 Aug 2011 15:52:38 +0000 (12:52 -0300)]
[media] ddbridge: fix ddb_ioctl()

There were a several problems in this function:

1) Potential integer overflow in the comparison:
if (fio.write_len + fio.read_len > 1028) {

2) If the user gave bogus values for write_len and read_len then
   returning -EINVAL is more appropriate than returning -ENOMEM.

3) wbuf was set to the address of an array and could never be NULL
   so I removed the pointless NULL check.

4) The call to vfree(wbuf) was improper.  That array is part of a
   larger struct and isn't allocated by itself.

5) flashio() can't actually fail, but we may as well add error
   handling in case this changes later.

6) In the default case where an ioctl is not implemented then
   returning -ENOTTY is more appropriate than returning -EFAULT.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] CXD2820R: Replace i2c message translation with repeater gate control
Steve Kerrison [Tue, 9 Aug 2011 10:16:21 +0000 (07:16 -0300)]
[media] CXD2820R: Replace i2c message translation with repeater gate control

This patch implements an i2c_gate_ctrl op for the cxd2820r. Thanks to Robert
Schlabbach for identifying the register address and field to set.

The old i2c intercept code that prefixed messages with a passthrough byte has
been removed and the PCTV nanoStick T2 290e entry in em28xx-dvb has been
updated appropriately.

Tested for DVB-T2 use; I would appreciate it if somebody with DVB-C capabilities
could test it as well - from inspection I cannot see any problems.

This is patch v2. It fixes some schoolboy style errors and removes superfluous
i2c entries in cxd2820r.h.

Signed-off-by: Steve Kerrison <steve@stevekerrison.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: Change API version in documentation: 3 -> 5.4
Andreas Oberritter [Sat, 3 Sep 2011 17:26:34 +0000 (14:26 -0300)]
[media] DVB: Change API version in documentation: 3 -> 5.4

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: improve documentation for satellite delivery systems
Andreas Oberritter [Sat, 3 Sep 2011 17:26:33 +0000 (14:26 -0300)]
[media] DVB: improve documentation for satellite delivery systems

- Move voltage and tone to DVB-S.
- Add turbo code.
- In DVB-S2 and turbo code sections, refer to DVB-S, as both
  are extensions to DVB-S.
- Add modulation to DVB-S2.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: gp8psk-fe: use SYS_TURBO
Andreas Oberritter [Mon, 8 Aug 2011 14:54:37 +0000 (11:54 -0300)]
[media] DVB: gp8psk-fe: use SYS_TURBO

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: Fix compatibility criteria for satellite receivers
Andreas Oberritter [Mon, 8 Aug 2011 14:54:36 +0000 (11:54 -0300)]
[media] DVB: dvb_frontend: Fix compatibility criteria for satellite receivers

  identify a satellite receiver by its 'delivery_system' instead of
  'modulation', which may overlap between different delivery systems.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: Add SYS_TURBO for north american turbo code FEC
Andreas Oberritter [Mon, 8 Aug 2011 14:54:35 +0000 (11:54 -0300)]
[media] DVB: Add SYS_TURBO for north american turbo code FEC

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] dib9000: return error code on failure
Dan Carpenter [Sat, 6 Aug 2011 08:01:51 +0000 (05:01 -0300)]
[media] dib9000: return error code on failure

The ret = -EIO needs to be before the goto.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] dib7000p: return error code on allocation failure
Dan Carpenter [Sat, 6 Aug 2011 08:00:34 +0000 (05:00 -0300)]
[media] dib7000p: return error code on allocation failure

The goto needs to be moved after the assignment.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] dvb-core, tda18271c2dd: define get_if_frequency() callback
Mauro Carvalho Chehab [Sat, 3 Sep 2011 14:40:02 +0000 (11:40 -0300)]
[media] dvb-core, tda18271c2dd: define get_if_frequency() callback

Tuners in general convert a high frequency carrier into an Intermediate
Frequency (IF).

Digital tuners like tda18271, xc3028, etc. generally allow changing the IF
frequency, although they generally have recommented settings for the IF.
Analog tuners, have a fixed IF frequency, that depends on the physical
characteristics of some analog components.

For digital tuners, it makes sense to have ways to configure IF,
via the tuner's configuration structure, like what's done inside the
tda18271-fe maps.

The demods need to know what IF is used by the tuner, as it will need
to convert internally from IF into baseband. Currently, the bridge driver
needs to fill a per-demod configuration struct for it, or pass it via
a dvb_attach parameter.

The tda18271 datasheet recommends to use different IF's for different
delivery system types and for different bandwidths.

The DRX-K demod also needs to know the IF frequency in order to work,
just like all other demods. However, as it accepts different delivery
systems (DVB-C and DVB-T), the IF may change if the standard and/or
bandwidth is changed.

So, the usual procedure of passing it via a config struct doesn't work.

One might try to code it as two separate IF frequencies, or even as a
table in function of the delivery system and the bandwidth, but this
will be messy.

So, it is better and simpler to just add a new callback for it and
require the tuners that can be used with MFE frontends like drx-k
to implement a new callback to return the used IF.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Antti Palosaari <crope@iki.fi>
13 years ago[media] em28xx: add em28xx_ prefix to functions
Jarod Wilson [Thu, 14 Jul 2011 22:06:08 +0000 (19:06 -0300)]
[media] em28xx: add em28xx_ prefix to functions

Makes it more straight-forward to follow stack traces if the functions
don't have generic names. Using this as a crutch while trying to better
understand the lockdep warnings I get when loading the em28xx driver.

CC: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] redrat3: remove unused dev struct members
Jarod Wilson [Thu, 14 Jul 2011 22:04:49 +0000 (19:04 -0300)]
[media] redrat3: remove unused dev struct members

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] videobuf2: Do not unconditionally map S/G buffers into kernel space
Jonathan Corbet [Thu, 14 Jul 2011 21:10:44 +0000 (18:10 -0300)]
[media] videobuf2: Do not unconditionally map S/G buffers into kernel space

The one in-tree videobuf2-dma-sg driver (mmp-camera) has no need for a
kernel-space mapping of the buffers; one suspects that most other drivers
would not either.  The videobuf2-dma-sg module does the right thing if
buf->vaddr == NULL - it maps the buffer on demand if somebody needs it.  So
let's not map the buffer at allocation time; that will save a little CPU
time and a lot of address space in the vmalloc range.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: update locking in dvb_frontend_{add, get_event}
Andreas Oberritter [Thu, 4 Aug 2011 15:33:15 +0000 (12:33 -0300)]
[media] DVB: dvb_frontend: update locking in dvb_frontend_{add, get_event}

  - fepriv->parameters_out isn't protected by events->mtx, so
    move the call to fe->ops.get_frontend out of the locked area.
  - move the assignment of e->status into the locked area.

  - use direct assignment instead of memcpy.

  - use mutex_lock instead of mutex_lock_interruptible, because
    all code paths protected by this mutex won't block.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: clear stale events on FE_SET_FRONTEND
Andreas Oberritter [Thu, 4 Aug 2011 15:33:14 +0000 (12:33 -0300)]
[media] DVB: dvb_frontend: clear stale events on FE_SET_FRONTEND

  the first event after an attempt to tune.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: avoid possible race condition on first event
Andreas Oberritter [Thu, 4 Aug 2011 15:33:13 +0000 (12:33 -0300)]
[media] DVB: dvb_frontend: avoid possible race condition on first event

  enqueued before the frontend thread wakes up.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] DVB: dvb_frontend: fix stale parameters on initial frontend event
Andreas Oberritter [Thu, 4 Aug 2011 15:33:12 +0000 (12:33 -0300)]
[media] DVB: dvb_frontend: fix stale parameters on initial frontend event

  Modify it to use the data given by the user.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] drivers/media/video/hexium_gemini.c: delete useless initialization
Julia Lawall [Thu, 4 Aug 2011 10:29:33 +0000 (07:29 -0300)]
[media] drivers/media/video/hexium_gemini.c: delete useless initialization

Delete nontrivial initialization that is immediately overwritten by the
result of an allocation function.

The semantic match that makes this change is as follows:

// <smpl>
@@
type T;
identifier i;
expression e;
@@

(
T i = \(0\|NULL\|ERR_PTR(...)\);
|
-T i = e;
+T i;
)
... when != i
i = \(kzalloc\|kcalloc\|kmalloc\)(...);

// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Don't try to use a non-existing interface
Mauro Carvalho Chehab [Thu, 1 Sep 2011 05:57:02 +0000 (02:57 -0300)]
[media] tm6000: Don't try to use a non-existing interface

> [34883.426065] tm6000 #0: registered device video0
> [34883.430591] Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: 0)
> [34883.437763] usbcore: registered new interface driver tm6000
> [34884.608372] BUG: unable to handle kernel NULL pointer dereference at 00000002
> [34884.615514] IP: [<f8c4ceea>] tm6000_reset+0xd7/0x11c [tm6000]

The dev->int_in USB interfaces is used by some devices for the
Remote Controller. Not all devices seem to define this interface,
so, tm6000_reset should not try to set the interface to it on
such devices.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Enable radio mode for Cinergy Hybrid XE
Thierry Reding [Thu, 4 Aug 2011 07:14:18 +0000 (04:14 -0300)]
[media] tm6000: Enable radio mode for Cinergy Hybrid XE

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Enable audio clock in radio mode
Thierry Reding [Thu, 4 Aug 2011 07:14:17 +0000 (04:14 -0300)]
[media] tm6000: Enable audio clock in radio mode

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Plug memory leak on PCM free
Thierry Reding [Thu, 4 Aug 2011 07:14:16 +0000 (04:14 -0300)]
[media] tm6000: Plug memory leak on PCM free

When releasing hardware resources, the DMA buffer allocated to the PCM
device needs to be freed to prevent a memory leak.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Do not use video buffers in radio mode
Thierry Reding [Thu, 4 Aug 2011 07:14:15 +0000 (04:14 -0300)]
[media] tm6000: Do not use video buffers in radio mode

If the radio device is opened there is no need to initialize the video
buffer queue because it is not used.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Execute lightweight reset on close
Thierry Reding [Thu, 4 Aug 2011 07:14:13 +0000 (04:14 -0300)]
[media] tm6000: Execute lightweight reset on close

When the last user closes the device, perform a lightweight reset of the
device to bring it into a well-known state.

Note that this is not always enough with the TM6010, which sometimes
needs a hard reset to get into a working state again.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Initialize isochronous transfers only once
Thierry Reding [Thu, 4 Aug 2011 07:14:12 +0000 (04:14 -0300)]
[media] tm6000: Initialize isochronous transfers only once

This fixes a memory leak where isochronous buffers would be set up for
each video buffer, while it is sufficient to set them up only once per
device.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
13 years ago[media] tm6000: Properly count device usage
Thierry Reding [Thu, 4 Aug 2011 07:14:11 +0000 (04:14 -0300)]
[media] tm6000: Properly count device usage

When the USB device is disconnected, the device usage bit is not cleared
properly. This leads to errors when a device is unplugged and replugged
several times until all TM6000_MAXBOARDS bits are used and keeps the
driver from binding to the device.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>