Amitay Isaacs wrote: > Hello everyone, > > On Tue, Apr 22, 2008 at 12:12 PM, Steven Toth <stoth@xxxxxxxxxxx > <mailto:stoth@xxxxxxxxxxx>> wrote: > > hermann pitton wrote: > > Hi, Trevor and Amitay, > > > > Am Dienstag, den 22.04.2008, 07:38 +1000 schrieb Trevor Boon: > >> Hi Amitay, > >> > >> I specified the i2c_scan=1 option in my > >> /etc/modprobe.d/saa7134 file and the following > >> addresses were returned.. > >> > >> saa7130[0]: i2c scan: found device @ 0xa0 [eeprom] > >> saa7130[0]: i2c scan: found device @ 0xc0 [tuner > >> (analog)] > >> > >> Regards, > >> Trevor. > >> > > > > the 0x10 >> 1 for the digital demod is in the eeprom, if it follows > > usual rules, at least the tuner is correct there. > > > > Likely there are more possibilities, why the tda10048 does not > appear, > > powered off for example to safe energy, but since you also had a > crash > > previously, try a cold boot at first, means wait some time > without any > > power connected, depending on capacitors of the mobo, but 30 seconds > > without any power should be always safe, and then just let it auto > > detect card=0 without a tuner again and let i2c_scan=1 enabled > one more > > time. > > > > If still the same, you are likely above that basic testing step > and can > > scratch heads on what doing next. > > If this doesn't work then you may need to drive a GPIO to being the part > out of reset. > > - Steve > > > > Here is an update on the tests suggested on the list. > > After a cold restart and with i2c_scan=1 options to saa7134 the output > is as follows. > > > [ 1638.631715] Linux video capture interface: v2.00 > [ 1638.648219] saa7130/34: v4l2 driver version 0.2.14 loaded > [ 1638.649371] saa7130[0]: found at 0000:02:09.0, rev: 1, irq: 21, > latency: 66, mmio: 0xf9e00000 > [ 1638.649386] saa7130[0]: subsystem: 107d:6655, board: Leadtek Winfast > DTV-1000S [card=142,autodetected] > [ 1638.649406] saa7130[0]: board init: gpio is 222000 > [ 1638.649409] saa7130[0]/core: hwinit1 > [ 1638.798382] saa7130[0]: i2c eeprom 00: 7d 10 55 66 54 20 1c 00 43 43 > a9 1c 55 d2 b2 92 > [ 1638.798405] saa7130[0]: i2c eeprom 10: 00 ff 82 0e ff 20 ff ff ff ff > ff ff ff ff ff ff > [ 1638.798422] saa7130[0]: i2c eeprom 20: 01 40 01 01 01 ff 01 03 08 ff > 00 8a ff ff ff ff > [ 1638.798440] saa7130[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798457] saa7130[0]: i2c eeprom 40: ff 35 00 c0 00 10 03 02 ff 04 > ff ff ff ff ff ff > [ 1638.798474] saa7130[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798491] saa7130[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798508] saa7130[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798524] saa7130[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798541] saa7130[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798558] saa7130[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798575] saa7130[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798592] saa7130[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798609] saa7130[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798626] saa7130[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.798643] saa7130[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff ff > ff ff ff ff ff ff > [ 1638.838381] saa7130[0]: i2c scan: found device @ 0xa0 [eeprom] > [ 1638.846378] saa7130[0]: i2c scan: found device @ 0xc0 [tuner (analog)] > [ 1638.852943] saa7130[0]/core: hwinit2 > [ 1638.877459] saa7130[0]: registered device video0 [v4l2] > [ 1638.878602] saa7130[0]: registered device vbi0 > [ 1638.879508] saa7130[0]: registered device radio0 > [ 1638.999695] tda10048: tda10048_attach() > [ 1638.999705] tda10048: tda10048_readreg(reg = 0x00) > [ 1638.999883] tda10048_readreg: readreg error (ret == -5) > [ 1638.999955] saa7130[0]/dvb: frontend initialization failed > > I2C scan reveals only tuner at 0xc0 and no tda10048. > > I guess the next step is to try to drive a GPIO to bring the demod out > of reset as suggested by Steve. > Any suggestions on how to get GPIO addresses? saa7134-cards.c func saa7134_xc2028_callback(), this is example code that toggles the gpio specific for a 2028 tuner on another card, the mechanism and registers will be similar to this. - Steve _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
