Teemu Suikki wrote:
> Hi,
>
> I posted this to the vdr list originally, but since it's obviously a
> kernel level problem I'm asking here too. :)
>
> I have two budget cards. Both are handled with budget-ci driver, although
> only one of them actually has the physical CI connector..
>
> Cards are quite similar. Older card has saa7146 and tda10045, and newer
> card has saa7146 and tda10046.. So slightly different frontend chips.
>
> Either card works fine if plugged in alone, but if both are plugged in,
> only the tda10046 card works. I have tried them in every slot in all
> possible combinations, and it's always the same.
>
> I tried to tune channels with "tzap". Both cards "work" fine, but only
> tda10046 card ever reports FE_HAS_LOCK.. Tda10045 card never shows
> FE_HAS_LOCK and reports very high ber numbers. Just like if the antenna
> was unplugged, but it isn't. :)
>
> Is it possible that there is some bug that prevents using tda10045 and
> tda10046 in the same system? They both use the same tda1004x module after
> all.. Anyone with such system?
After a look at budget-ci.c I found a bug:
It's a bad idea to modify a static variable which is used by several
frontends... ;-)
> Here's dmesg output when initializing the cards. Looks fine, right?
>
> saa7146: register extension 'budget_ci dvb'.
> PCI: Found IRQ 11 for device 0000:02:05.0
> PCI: Sharing IRQ 11 with 0000:00:0d.0
> saa7146: found saa7146 @ mem e0974c00 (revision 1, irq 11)
> (0x13c2,0x1012).
> saa7146 (0): dma buffer size 192512
> DVB: registering new adapter (TT-Budget-T-CI PCI).
> adapter has MAC addr = 00:d0:5c:04:43:33
> input: Budget-CI dvb ir receiver saa7146 (0) as /class/input/input1
> budget_ci: CI interface initialised
> DVB: registering frontend 0 (Philips TDA10046H DVB-T)...
> dvb_ca adapter 0: DVB CAM detected and initialised successfully
>
> PCI: Found IRQ 3 for device 0000:02:08.0
> saa7146: found saa7146 @ mem e0976800 (revision 1, irq 3) (0x13c2,0x1011).
> saa7146 (1): dma buffer size 192512
> DVB: registering new adapter (TT-Budget/WinTV-NOVA-T PCI).
> adapter has MAC addr = 00:d0:5c:22:27:8a
> input: Budget-CI dvb ir receiver saa7146 (1) as /class/input/input2
> DVB: registering frontend 1 (Philips TDA10045H DVB-T)...
Does the attached patch fix the problem?
Oliver
--
--------------------------------------------------------
VDR Remote Plugin 0.3.9 available at
http://www.escape-edv.de/endriss/vdr/
--------------------------------------------------------
diff -r 4e7a874ab026 linux/drivers/media/dvb/ttpci/budget-ci.c
--- a/linux/drivers/media/dvb/ttpci/budget-ci.c Wed Jan 31 18:32:29 2007 +0100
+++ b/linux/drivers/media/dvb/ttpci/budget-ci.c Thu Feb 01 19:15:35 2007 +0100
@@ -881,6 +881,17 @@ static struct tda1004x_config philips_td
.demod_address = 0x8,
.invert = 0,
+ .invert_oclk = 0,
+ .xtal_freq = TDA10046_XTAL_4M,
+ .agc_config = TDA10046_AGC_DEFAULT,
+ .if_freq = TDA10046_FREQ_3617,
+ .request_firmware = philips_tdm1316l_request_firmware,
+};
+
+static struct tda1004x_config philips_tdm1316l_config_invert = {
+
+ .demod_address = 0x8,
+ .invert = 1,
.invert_oclk = 0,
.xtal_freq = TDA10046_XTAL_4M,
.agc_config = TDA10046_AGC_DEFAULT,
@@ -1111,9 +1122,8 @@ static void frontend_init(struct budget_
case 0x1012: // TT DVB-T CI budget (tda10046/Philips tdm1316l(tda6651tt))
budget_ci->tuner_pll_address = 0x60;
- philips_tdm1316l_config.invert = 1;
budget_ci->budget.dvb_frontend =
- dvb_attach(tda10046_attach, &philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
+ dvb_attach(tda10046_attach, &philips_tdm1316l_config_invert, &budget_ci->budget.i2c_adap);
if (budget_ci->budget.dvb_frontend) {
budget_ci->budget.dvb_frontend->ops.tuner_ops.init = philips_tdm1316l_tuner_init;
budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = philips_tdm1316l_tuner_set_params;
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