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From: Hans Verkuil <hverkuil@xs4all.nl>
Depending on the model there are three different firmwares to choose from.
Unfortunately if a cx23885 is loaded first, then the global firmware name
is overwritten with that firmware and if ivtv is loaded next, then it
tries to load the wrong firmware. In addition, the original approach would
also overwrite any firmware that the user specified explicitly.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
CC: Jarod Wilson <jarod@wilsonet.com>
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From: Steven Toth <stoth@kernellabs.com>
After the i2c subdev changes the ordering of initialization changed,
causing a total loss of previous GPIO settings and a loss of DTV.
The generic firmware loading routine has now changed to preserve
GPIO values if the device is cx23885 based (safety) and I've
moved the GPIO configuration from probe() into the cx23885 init
func which is a little clearer and fixes the bug.
Priority: normal
Tested-By: Sohail Syyed <linuxtv@hubstar.net>
Reviewed-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Steven Toth <stoth@kernellabs.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: Sri Deevi <Srinivasa.Deevi@conexant.com>
Signed-off-by: Srinivasa Deevi <srinivasa.deevi@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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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: Mauro Carvalho Chehab <mchehab@infradead.org>
Author: David Woodhouse <dwmw2@infradead.org>
Date: Fri May 23 23:58:24 2008 +0100
cx25840: treat firmware data as const
kernel-sync:
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
First phase of the backwards compatibility cleanup: stop supporting kernels
older than 2.6.0.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Tyler Trafford <ttrafford@gmail.com>
- Use min()
- Eliminate extraneous variables
Signed-off-by: Tyler Trafford <ttrafford@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Steven Toth <stoth@hauppauge.com>
The cx23885/7/8 PCIe bridge has an internal AVCore modelled on
the cx2584x family. Many of the registers positions are identical
but some moved. The register values are also different because
the different bridges run at different clock rates.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
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From: Jean Delvare <khali@linux-fr.org>
There is no reason why cx25840-firmware.c would need to include
<linux/i2c-algo-bit.h>.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Trent Piepho <xyzzy@speakeasy.org>
Add -include linux/version.h to the cflags. Now code can have backward
compatibility test without including compat.h first.
Linux headers included from compat.h are removed, so that code will get
the same headers when compiling in v4l-dvb as it does in the kernel.
Many drivers have compat.h moved to the end of their include list, as
this lets compat.h do things it can't do at the beginning. Such as test
of something is defined to include compat code, or to put a wrapper
around a function without changing the function's name.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Due to changes in the i2c handling in 2.6.20 this cx25840 bug surfaced,
causing the firmware load to fail for the ivtv driver. The correct
sequence is to first attach the i2c client, then use the client's
device to load the firmware.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Mike Isely <isely@pobox.com>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Patch broke pvrusb2 driver. Reverting it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Due to changes in the /sys directory structure a bug in the cx25840 firmware
load surfaced in 2.6.20: the device passed to request_firmware was wrong:
instead of the i2c device the i2c adapter was passed. Because of this an
attemp was made to create a kobject with the adapter name inside the
adapter directory, but a kobject with that name already exists.
Now pass the i2c device itself so that the correct /sys directory is used.
This way the firmware can be loaded again.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
The fast firmware load hack in cx25840 uses private data. In fact, it
breaks pvrusb2 and doesn't work at all with ivtv. It is a unsafe
implementation and so it is removed.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Mike Isely <isely@pobox.com>
The FWSEND parameter controls the size of the firmware chunks sent
down the I2C bus to the chip. Previously this had been set to 1024
but unfortunately some I2C implementations can't transfer data in such
big gulps. Specifically, the pvrusb2 driver has a hard limit of
around 60 bytes, due to the encapsulation there of I2C traffic into
USB messages. So we have to significantly reduce this parameter.
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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- Added VIDIOC_QUERYCTRL
- Removed unnecessary inlines.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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- convert diagnostics over to the new v4l2-common.h macros.
- deprecated tuner_debug option, the new option is debug.
- renamed cx25840_debug to debug.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Tyler Trafford <tatrafford@comcast.net>
* linux/drivers/media/video/cx25840/cx25840-firmware.c: (fw_write):
- In the rare event that a 333MHz i2c firmware load fails after
writing some data, this fix makes the driver reset the DL_ADDR
registers to the proper values before continuing on with 100MHz
transfers.
Signed-off-by: Tyler Trafford <tatrafford@comcast.net>
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From: Hans Verkuil <hverkuil@xs4all.nl>
- Ensure consistent v4l firmware prefixes.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
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From: Tyler Trafford <tatrafford@comcast.net>
Change default filename of firmware image to 'cx25840.fw'
Signed-off-by: Tyler Trafford <tatrafford@comcast.net>
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From: Hans Verkuil <hverkuil@xs4all.nl>, Chris Kennedy <c@groovy.org>, Tyler Trafford <tatrafford@comcast.net>
- Adds support for cx25840 video decoder.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Chris Kennedy <c@groovy.org>
Signed-off-by: Tyler Trafford <tatrafford@comcast.net>
Thanks-to: Ulf Eklund <ivtv@eklund.to>.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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