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new_(probed)_subdev
From: Hans Verkuil <hverkuil@xs4all.nl>
The functions v4l2_i2c_new_subdev and v4l2_i2c_new_probed_subdev relied on
i2c_get_adapdata to return the v4l2_device. However, this is not always
possible on embedded platforms. So modify the API to pass the v4l2_device
pointer explicitly.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Originally the intention was to switch to the new style i2c API starting with
the introduction of the API in 2.6.22. However, the i2c_new_probed_device()
function has a lethal bug that wasn't fixed until 2.6.25. Or more accurately,
it was only fixed in the stable series of 2.6.25 and 2.6.26.
Given the fact that the new i2c API also changed starting with 2.6.26 (the
addition of i2c_device_id), it is easiest to switch APIs starting with
2.6.26.
This patch updates all the legacy code accordingly.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
s_std didn't belong in the tuner ops. Stricly speaking it should be part of
the video ops, but it is used by audio and tuner devices as well, so it is
more efficient to make it part of the core ops.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
The init callback was used in several places to load firmware. Make a separate
load_fw callback for that. This makes the code a lot more understandable.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
s_standby is only used to put the tuner in powersaving mode, so move it
from core to tuner.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Now that all drivers are converted to v4l2_subdev we can remove legacy code
in v4l2-common. Also move the documentation of the internal API to
v4l2-subdev.h where it really belongs.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
v4l2-subdev.c and v4l2-i2c-drv-legacy.h were used to support the old i2c
API. All v4l drivers are now converted to v4l2_subdev, so these two files
can be removed.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use tvaudio now use v4l2_subdev, so we can remove the
legacy code from tvaudio.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use the tuner module now use v4l2_subdev, so we can remove the
legacy code from this module.
Note that TUNER_SET_CONFIG is still called by tuner-simple.c, so we have
to handle it via a .command callback. There must be a better way to do this,
but for now this will work.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use tvp5150 now use v4l2_subdev, so we can remove the
legacy code from tvp5150.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use saa7115 now use v4l2_subdev, so we can remove the
legacy code from saa7115.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use msp3400 now use v4l2_subdev, so we can remove the
legacy code from msp3400.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Douglas Schilling Landgraf <dougsland@redhat.com>
Converted em28xx driver to v4l2_subdev.
Thanks to Hans Verkuil <hverkuil@xs4all.nl> for helping this conversion.
Priority: normal
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/ov772x.c | 63 +++++++++++++++++++++++++++++++++++++++--
include/media/ov772x.h | 35 +++++++++++++++++++++++
2 files changed, 94 insertions(+), 4 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
MT9M001 datasheet says, that the data is ready on the falling edge of the pixel
clock, but the driver wrongly sets the SOCAM_PCLK_SAMPLE_RISING flag. Changing
this doesn't seem to produce any visible difference, still, it is better to
comply to the datasheet.
Reported-by: Sascha Oppermann <oppermann@garage-computers.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/mt9m001.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
soc-camera re-uses struct devices multiple times in calls to device_register(),
therefore it has to reset the embedded struct kobject to avoid the "tried to
init an initialized object" error, which then also erases its name. Now with
the transition to kobject's name for device names, we have to re-initialise the
name before each call to device_register().
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/soc_camera.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
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From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
priv->client->dev.platrom_data mean ov772x_camera_info in ov772x driver.
So, struct soc_camera_link doesn't exist there.
This patch modify this bug.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/ov772x.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
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From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
pxa_dma_update_sg_tail() is called only once, runs exactly the same loop as the
caller and has to recalculate the last element in an sg-list, that the caller
has already calculated. Eliminate redundancy by merging the two loops and
re-using the calculated pointer. This also saves a bit of performance which is
always good during video-capture.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
drivers/media/video/pxa_camera.c | 20 ++++++--------------
1 files changed, 6 insertions(+), 14 deletions(-)
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From: Robert Jarzmik <robert.jarzmik@free.fr>
The last buffer queued will often overrun, as the DMA chain
is finished, and the time the dma irq handler is activated,
the QCI fifos are filled by the sensor.
The fix is to ignore the overrun condition on the last
queued buffer, and restart the capture only on intermediate
buffers of the chain.
Moreover, a fix was added to the very unlikely condition
where in YUV422P mode, one channel overruns while another
completes at the very same time. The capture is restarted
after the overrun as before, but the other channel
completion is now ignored.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/pxa_camera.c | 25 ++++++++++++++++++++-----
1 files changed, 20 insertions(+), 5 deletions(-)
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From: Robert Jarzmik <robert.jarzmik@free.fr>
The DMA transfers in pxa_camera showed some weaknesses in
multiple queued buffers context :
- poll/select problem
The bug shows up with capture_example tool from v4l2 hg
tree. The process just "stalls" on a "select timeout".
- multiple buffers DMA starting
When multiple buffers were queued, the DMA channels were
always started right away. This is not optimal, as a
special case appears when the first EOF was not yet
reached, and the DMA channels were prematurely started.
- Maintainability
DMA code was a bit obfuscated. Rationalize the code to be
easily maintainable by anyone.
- DMA hot chaining
DMA is not stopped anymore to queue a buffer, the buffer
is queued with DMA running. As a tribute, a corner case
exists where chaining happens while DMA finishes the
chain, and the capture is restarted to deal with the
missed link buffer.
This patch attemps to address these issues / improvements.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
Documentation/video4linux/pxa_camera.txt | 125 ++++++++++++
drivers/media/video/pxa_camera.c | 319 ++++++++++++++++++------------
2 files changed, 316 insertions(+), 128 deletions(-)
create mode 100644 Documentation/video4linux/pxa_camera.txt
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From: Robert Jarzmik <robert.jarzmik@free.fr>
All planes were PAGE aligned (ie. 4096 bytes aligned). This
is not consistent with YUV422 format, which requires Y, U
and V planes glued together. The new implementation forces
the alignement on 8 bytes (DMA requirement), which is almost
always the case (granted by width x height being a multiple
of 8).
The test cases include tests in both YUV422 and RGB565 :
- a picture of size 111 x 111 (cross RAM pages example)
- a picture of size 1023 x 4 in (under 1 RAM page)
- a picture of size 1024 x 4 in (exactly 1 RAM page)
- a picture of size 1025 x 4 in (over 1 RAM page)
- a picture of size 1280 x 1024 (many RAM pages)
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/pxa_camera.c | 145 +++++++++++++++++++++++++++----------
1 files changed, 106 insertions(+), 39 deletions(-)
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From: Robert Jarzmik <robert.jarzmik@free.fr>
Due to DMA constraints, the DMA chain always transfers bytes
from the QCI fifos to memory in 8 bytes units. In planar
formats, that could mean 0 padding between Y and U plane
(and between U and V plane), which is against YUV422P
standard.
Therefore, a frame size is required to be a multiple of 16
(so U plane size is a multiple of 8). It is enforced in
try_fmt() and set_fmt() primitives, be aligning height then
width on 4 multiples as need be, to reach a 16 multiple.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
drivers/media/video/pxa_camera.c | 32 +++++++++++++++++++++-----------
1 files changed, 21 insertions(+), 11 deletions(-)
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From: Kyle McMartin <kyle@mcmartin.ca>
CUSTOMISE appears to be the one actually defined...
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Priority: normal
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
The tuner ops pointer wasn't set, so s_std never worked here.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
I2C_DRIVERIDs are no longer needed with v4l2_subdev and will be removed
from the kernel soon.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
CC: Devin Heitmueller <dheitmueller@linuxtv.org>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
These callbacks are needed for omap.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
No i2c modules are called with the V4L1 API anymore, so this can be removed.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Replace 'VIDIOC_' references in v4l i2c drivers by their new v4l2_subdev
callback names.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
The audio and vbi parts still used an 'ioctl'-like interface. Replace this
with normal functions.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
CC: Andy Walls <awalls@radix.net>
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From: Hans Verkuil <hverkuil@xs4all.nl>
The audio and vbi functions where still called through an ioctl-like
interface, even though this is no longer needed with v4l2-subdev. Just
change each 'case' into a proper function and call that directly.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
tuner-core.c contains a hack for cx88 board to prevent probing of certain
addresses:
/* HACK: Ignore 0x6b and 0x6f on cx88 boards.
* FusionHDTV5 RT Gold has an ir receiver at 0x6b
* and an RTC at 0x6f which can get corrupted if probed.
*/
With the new i2c API this hack no longer works. So instead change the
list of tuner probe addresses in the cx88 driver itself, which is much
more clean.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Several i2c drivers still used v4l2_subdev_command, even though they were
converted to v4l2_subdev. Remove those unused .command callbacks.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Klaus Flittner <klaus@flittner.org>
This patch introduces support for DVB-T for the following dibcom based card:
Elgato EyeTV DTT (USB-ID: 0fd9:0021)
Priority: normal
Signed-off-by: Klaus Flittner <klaus@flittner.org>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
tda7432 is no longer used with the old-style i2c API, so I can remove
the support for that.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
tda9875 is no longer used with the old-style i2c API, so I can remove
the support for that.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use cx25840 are now converted to v4l2_subdev, so I can remove
the support for the old-style i2c API.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
All drivers that use wm8775 are now converted to v4l2_subdev, so I can remove
the support for the old-style i2c API.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Xoan Loureiro <x04n2.0@gmail.com>
This patch adds support for the Yuan MC770 DVB-T (1164:0871).
Thanks to Xoan Loureiro.
Priority: normal
Signed-off-by: Xoan Loureiro <x04n2.0@gmail.com>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Convert cx88 to use v4l2_subdev since the old i2c autoprobing mechanism
will be removed.
Added code to explicitly load tvaudio where needed. Also fix the rtc-isl1208
support: since that driver no longer supports autoprobing it has to be
loaded using the new i2c API.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Uwe Bugla <uwe.bugla@gmx.de>
This is the second part of the code cleanup changing the usb and pci-driver cores.
Priority: normal
Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
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