2008/10/14 Antti Palosaari <crope@xxxxxx>: > Ivan Kuten wrote: >> >> Seems nobody is working on this. > > Actually Zdenek Kabelac <zdenek.kabelac@xxxxxxxxx> was working this driver > for times ago, but I think he has stopped his work. > Look thread for more info: > http://www.linuxtv.org/pipermail/linux-dvb/2008-April/025253.html > >> Anyway here is attached usb snoop log for A827. >> I did not manage to find where is firmware loaded comparing with >> logs in af9015_firmware_cutter.tar.gz > > I did some USB-protocol reverse-engineering for Zdenek. I have also almost > fully documented USB-sniff, I can send it to you if you want hack driver > more. It should be rather easy to make working driver (DVB-T) from that log. > >> It seems the firmware is contained in EEPROM. > > No its not. It loads firmware to af9013 from driver when stick is plugged. > Correct firmware can be downloaded from: > http://palosaari.fi/linux/v4l-dvb/firmware/af9013/ > > Your sniffs seems to be a little broken where firmware download was made. > > You should hack cx88 driver for USB-bridge. There is some commands used in > cx88 already. > > Here are the USB-protocol commands I know: > > i2c write 29 > i2c read 2a > streaming on 36 > streaming off 37 > get ir code 25 > power off dc > power on de > > i2c write 1st 09 > > get ir code 25 > 000498: OUT: 000000 ms 009978 ms BULK[00001] >>> 25 > 000499: OUT: 000000 ms 009978 ms BULK[00081] <<< 00 00 00 00 00 > > streaming on 36 > 008607: OUT: 000048 ms 014412 ms BULK[00001] >>> 36 03 00 01 > > streaming off 37 > 012176: OUT: 000000 ms 041479 ms BULK[00001] >>> 37 > > i2c write 29 > 008622: OUT: 000001 ms 014434 ms BULK[00001] >>> 29 00 00 1d 9b bc 00 > 008623: OUT: 000001 ms 014435 ms BULK[00081] <<< 01 > > i2c read 2a > 008624: OUT: 000001 ms 014436 ms BULK[00001] >>> 2a 00 00 1d 01 > 008625: OUT: 000074 ms 014437 ms BULK[00081] <<< 01 > > 008616: OUT: 000001 ms 014425 ms BULK[00001] >>> 0f 01 00 03 01 00 00 > 008617: OUT: 000001 ms 014426 ms BULK[00081] <<< 01 > > power off dc > 012294: OUT: 000076 ms 042795 ms BULK[00001] >>> dc 00 > > power on de > 000010: OUT: 000001 ms 000135 ms BULK[00001] >>> de 00 > > i2c write? gpio? > 000011: OUT: 000000 ms 000136 ms BULK[00001] >>> 09 02 02 51 1f f9 > 000012: OUT: 000000 ms 000136 ms BULK[00081] <<< 08 03 07 > > usb-controller write? > 012274: OUT: 000001 ms 042620 ms BULK[00001] >>> 0f 01 00 03 01 01 00 > 012275: OUT: 000025 ms 042621 ms BULK[00081] <<< 01 > > >> Sorry about being not so active in this area :( - I've got busy with some many other issue :( I've also fairly limited access to windows machine - thus I would really need you 'chat/personal/ help Antti for this - If you are willing to spend couple hours on this - I'd gladly help - but for me the logic behind V4L devices seems to be quite complicated to get it learned within short time - i.e. I have no sharp idea - how each sub controllers are connected together and how could I achieve the similar USB command order. If we could arrange some time window to work on this - I'll try to do it - though it must be late night hours. Zdenek _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
