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- Use min()
- Eliminate extraneous variables
Signed-off-by: Tyler Trafford <ttrafford@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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.
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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- Added VIDIOC_QUERYCTRL
- Removed unnecessary inlines.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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- 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>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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Ensure consistent v4l firmware prefixes.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Change default filename of firmware image to 'cx25840.fw'
Signed-off-by: Tyler Trafford <tatrafford@comcast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Adds support for cx25840 video decoder.
Driver authors: Hans Verkuil, Chris Kennedy, Tyler Trafford, Ulf Eklund.
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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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