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authorHans Verkuil <hverkuil@xs4all.nl>2008-04-28 19:24:33 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-29 17:41:41 -0400
commit1c1e45d17b663d4749af456ab7c2fc1f36405ef8 (patch)
tree03704d6fd888c4c617baa81a60df0d80815b2607 /Documentation
parentd74bee8b4776b5051c650a90f49a2022d46d8588 (diff)
V4L/DVB (7786): cx18: new driver for the Conexant CX23418 MPEG encoder chip
Many thanks to Steve Toth from Hauppauge and Nattu Dakshinamurthy from Conexant for their support. I am in particular thankful to Hauppauge since without their help this driver would not exist. It should also be noted that Steve did the work to get the DVB part up and running. Thank you! Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: G. Andrew Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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1Some notes regarding the cx18 driver for the Conexant CX23418 MPEG
2encoder chip:
3
41) The only hardware currently supported is the Hauppauge HVR-1600.
5
62) Some people have problems getting the i2c bus to work. Cause unknown.
7 The symptom is that the eeprom cannot be read and the card is
8 unusable.
9
103) The audio from the analog tuner is mono only. Probably caused by
11 incorrect audio register information in the datasheet. We are
12 waiting for updated information from Conexant.
13
144) VBI (raw or sliced) has not yet been implemented.
15
165) MPEG indexing is not yet implemented.
17
186) The driver is still a bit rough around the edges, this should
19 improve over time.
20
21
22Firmware:
23
24The firmware needs to be extracted from the Windows Hauppauge HVR-1600
25driver, available here:
26
27http://hauppauge.lightpath.net/software/install_cd/hauppauge_cd_3.4d1.zip
28
29Unzip, then copy the following files to the firmware directory
30and rename them as follows:
31
32Drivers/Driver18/hcw18apu.rom -> v4l-cx23418-apu.fw
33Drivers/Driver18/hcw18enc.rom -> v4l-cx23418-cpu.fw
34Drivers/Driver18/hcw18mlC.rom -> v4l-cx23418-dig.fw