Hi Patrick, Am Dienstag, den 23.01.2007, 11:38 +0100 schrieb Patrick Boettcher: > Hello Michael, > > On Tue, 23 Jan 2007, Michael Wünscher wrote: > > > Hello to the list, > > > > in my Samsung R55 laptop there is an integrated dvb-t device. > > > > the listing of lsusb says it is a dibcom stk7700D wich should be a > > stk7700p in another design. > > No, the STK7700D is normally the name for a DiBcom ref-design which has: > > 2 DiB7000P and 2 MT2266. > > It is a diversity or dual DVB-T receiver. > > The one you think it is, is called STK7700P3 (Single DiB7000P + XC3028) - > DVB_T only. > > Of course the real end-manufacturer can do what he wants. So everything is > possible. > I'm going to ask YUAN Tech for more details. > > > > So i tried to get the dib driver to work and added my device to the > > dib0700_device.c (source's from http://linuxtv.org/hg/v4l-dvb). > > > > dmesg: > > > > [ 14.468000] dib0700: loaded with support for 3 different device-types > > [ 14.516000] check for cold 10b8 1e14 > > [ 14.516000] check for cold 10b8 1e78 > > [ 14.516000] check for cold 2040 7050 > > [ 14.516000] check for cold 7ca a807 > > [ 14.516000] check for cold 185b 1e78 > > [ 14.516000] check for cold 1584 6003 > > [ 14.516000] check for cold 2040 9941 > > [ 14.516000] check for cold 2040 9950 > > [ 14.516000] check for cold 1164 1efc > > [ 14.516000] dvb-usb: found a 'YUAN Tech STK7700D with XC3028' in > > cold state, will try to load a firmware > > [ 14.664000] dvb-usb: downloading firmware from file > > 'dvb-usb-dib0700-01.fw' > > [ 14.840000] dib0700: firmware started successfully. > > [ 15.344000] dvb-usb: found a 'YUAN Tech STK7700D with XC3028' in > > warm state. > > [ 15.344000] power control: 1 > > [ 15.344000] dvb-usb: will pass the complete MPEG2 transport stream to > > the software demuxer. > > [ 15.344000] DVB: registering new adapter (YUAN Tech STK7700D with > > XC3028). > > [ 15.560000] DVB: registering frontend 0 (DiBcom 7000PC)... > > [ 15.560000] Tuner: registering extension (MT2060 Silicon Tuner) > > [ 15.656000] mt2060 I2C read failed > > [ 15.656000] power control: 0 > > [ 15.656000] dvb-usb: YUAN Tech STK7700D with XC3028 successfully > > initialized and connected. > > [ 15.656000] usbcore: registered new interface driver dvb_usb_dib0700 > > > > ------- > > > > This works until the tuner gets registered. (There were also an older > > posting http://www.mail-archive.com/linux-dvb@xxxxxxxxxxx/msg20994.html) > > > > I found out that there is a xc3028 tuner on the device. This based of > > investigating the windows driver. It includes a file named xc3028.rom > > and the inf file had the following line for the device: > > This is not necessarily an indication, because the reference driver from > DiBcom contains all drivers for all devices. So there can be XYZ > mentioned, even without having that device on you hardware. > > > %YUAN.DeviceDesc_cold% = MOD7000.Device,USB > > \VID_1164&PID_1EFC ; C version + 843 + 3028, NO AV S & NO FM > > %YUAN.DeviceDesc% = MOD7000.Device,USB > > \VID_1164&PID_1EFD&MI_00 ; C version + 843 + 3028, NO AV S & NO FM > > But this comment is obvious - it seems to be really the XC3028 inside, but > without Analog Audio/Video and no FM. > > > So i tried to understand the xc3028-tuner.c . > > > > I think i need to port the driver to the dvb-frontend framework to get > > it working?? or is there another way? > > This is not done yet? So, i have a try. I take the mt2060 driver as skeleton or is there a documentation (HowTo)? > > > My last question, Does anybody know what the 843 chip could be? > > No. C-version is most likely the USB/Demod-revision, 3028 is the Xceive. > > If it is really the xc3028, even more important is to find out which GPIO > are used to do a reset on the Xceive. > I've never worked with that before. Is there a way to test it? perhaps try and error ? I have also installed the usbsnoop program on windows, but the file is very large ... to large to analyse for me. > > Its written in the inf file of the windows driver. Because it is > > build-in the laptop i can not get a picture of the device :-( > > Patrick. Michael
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