On Wed, 29 Nov 2006 04:18:48 +0200 Antti Palosaari <crope@xxxxxx> wrote: > Hi, > changes: > - 125kHz step, register 0x1a > - tuner offset and fix register 0x07 calculation > - added some alternative values to registers 0x11, 0x1f and 0x20. > Values are hidden behind preprocessor macros, old values are used by > default. > > I don't know what is the real stepping supported by HW, probably it > is less than 125kHz. 125kHz were used in both of the Sigmatek DVB-110 > and MSI Megasky GL681 Windows drivers. Though, I guess, 125kHz is > enough for tuning all frequencies in DVB-T bands supported by hw > (48-860MHz). In my understanding it should be possible now to tune > all DVB-T channels used worldwide, in theory at least. Locking is > harder to get, because most of the register values are still only > magic numbers, for example setting bandwidth is unknown. Frequency is > set by: 0x07 (n*32MHz) + 0x0a (n*4MHz) + 0x1a (n*125kHz). > > Patch should not change functionality of the other than frequency > registers, eg. if your Megasky works before this patch, it should > work also after. If not, there is a bug. > > Patch tested with Megasky GL681 and Sigmatek DVB-110 against fi-Oulu > frequencies. Megasky works always and Sigmatek as poor as without > patch :) If I change defines to SIGMATEK, Sigmatek works better and > also Megasky seems to work as expected. I still left old > functionality to default, because Sigmatek stick is not so popular as > Megasky. Please test different configurations and report. > > If someone owns devices with QT1010 tuner, other than mentioned this > mail, and can do USB-sniffing in windows, please help. I will give > detailed information by email. > > Aapo, could you test this patch with your hardware. fi-Rovaniemi channels look ok. I'll test fi-Ruka later. -- Aapo Tahkola _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
