From patchwork Mon Jul 27 01:43:16 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Zimmerman X-Patchwork-Id: 37438 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n6R1hNf0022629 for ; Mon, 27 Jul 2009 01:43:24 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754513AbZG0BnS (ORCPT ); Sun, 26 Jul 2009 21:43:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754596AbZG0BnS (ORCPT ); Sun, 26 Jul 2009 21:43:18 -0400 Received: from phobos03.frii.com ([216.17.128.163]:56853 "EHLO mail.frii.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754513AbZG0BnR (ORCPT ); Sun, 26 Jul 2009 21:43:17 -0400 Received: from io.frii.com (io.frii.com [216.17.222.1]) by mail.frii.com (FRII) with ESMTP id C77846782D; Sun, 26 Jul 2009 19:43:16 -0600 (MDT) Received: by io.frii.com (Postfix, from userid 6328) id 0C12D1CC44; Sun, 26 Jul 2009 19:43:17 -0600 (MDT) Date: Sun, 26 Jul 2009 19:43:16 -0600 From: Mark Zimmerman To: "Igor M. Liplianin" Cc: linux-media@vger.kernel.org Subject: Re: TBS 8920 still fails to initialize - cx24116_readreg error Message-ID: <20090727014316.GA97600@io.frii.com> References: <20090724023315.GA96337@io.frii.com> <200907241906.11914.liplianin@me.by> <20090725022206.GA17704@io.frii.com> <200907261529.13781.liplianin@me.by> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <200907261529.13781.liplianin@me.by> User-Agent: Mutt/1.5.15 (2007-04-06) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On Sun, Jul 26, 2009 at 03:29:13PM +0300, Igor M. Liplianin wrote: > On 25 ???? 2009 05:22:06 Mark Zimmerman wrote: > > On Fri, Jul 24, 2009 at 07:06:11PM +0300, Igor M. Liplianin wrote: > > > On 24 ???? 2009 05:33:15 Mark Zimmerman wrote: > > > > Greetings: > > > > > > > > Using current current v4l-dvb drivers, I get the following in the > > > > dmesg: > > > > > > > > cx88[1]/2: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72] > > > > cx88[1]/2: cx2388x based DVB/ATSC card > > > > cx8802_alloc_frontends() allocating 1 frontend(s) > > > > cx24116_readreg: reg=0xff (error=-6) > > > > cx24116_readreg: reg=0xfe (error=-6) > > > > Invalid probe, probably not a CX24116 device > > > > cx88[1]/2: frontend initialization failed > > > > cx88[1]/2: dvb_register failed (err = -22) > > > > cx88[1]/2: cx8802 probe failed, err = -22 > > > > > > > > Does this mean that one of the chips on this card is different than > > > > expected? How can I gather useful information about this? > > > > > > Hi > > > You can try: > > > http://www.tbsdtv.com/download/tbs6920_8920_v23_linux_x86_x64.rar > > > > This code did not compile as-is, but after I commented out some things > > in drivers I do not need, I managed to build something. The TBS card > > now seems to be initialized, but it also broke support for my DViCO > > FusionHDTV7 Dual Express card, which also uses a cx23885. > > > > I am going to move this card to another machine that does not have any > > other capture cards and repeat the process. This should make it easier > > to know what the TBS card/driver is doing. > > > > I am assuming that you are interested in using me to gather > > information to update the v4l-dvb drivers so that this card can be > > supported properly. Is this correct? Please let me know what I can do > > to assist. > I've changed tbs 8920 initialization in http://mercurial.intuxication.org/hg/s2-liplianin. > I ask you to try it. > If it works, then I will commit it to linuxv. > Also pay attention to remote. > Unfortunately, there appears to be no change: cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.7 loaded cx88[0]: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72,autodetected], frontend(s): 1 cx88[0]: TV tuner type 4, Radio tuner type -1 input: ImPS/2 Generic Wheel Mouse as /devices/platform/i8042/serio1/input/input5 cx88/0: cx2388x v4l2 driver version 0.0.7 loaded input: cx88 IR (TBS 8920 DVB-S/S2) as /devices/pci0000:00/0000:00:08.2/input/input6 cx88[0]/2: cx2388x 8802 Driver Manager alloc irq_desc for 17 on cpu 0 node 0 alloc kstat_irqs on cpu 0 node 0 cx88-mpeg driver manager 0000:00:08.2: PCI INT A -> GSI 17 (level, low) -> IRQ 17 cx88[0]/2: found at 0000:00:08.2, rev: 5, irq: 17, latency: 32, mmio: 0xf9000000 IRQ 17/cx88[0]: IRQF_DISABLED is not guaranteed on shared IRQs cx8800 0000:00:08.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 cx88[0]/0: found at 0000:00:08.0, rev: 5, irq: 17, latency: 32, mmio: 0xfa000000 IRQ 17/cx88[0]: IRQF_DISABLED is not guaranteed on shared IRQs cx88[0]/0: registered device video0 [v4l2] cx88[0]/0: registered device vbi0 cx88/2: cx2388x dvb driver version 0.0.7 loaded cx88/2: registering cx8802 driver, type: dvb access: shared cx88[0]/2: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72] cx88[0]/2: cx2388x based DVB/ATSC card cx8802_alloc_frontends() allocating 1 frontend(s) ACPI: PCI Interrupt Link [ALKC] enabled at IRQ 22 alloc irq_desc for 22 on cpu 0 node 0 alloc kstat_irqs on cpu 0 node 0 VIA 82xx Audio 0000:00:11.5: PCI INT C -> Link[ALKC] -> GSI 22 (level, low) -> IRQ 22 VIA 82xx Audio 0000:00:11.5: setting latency timer to 64 cx24116_readreg: reg=0xff (error=-6) cx24116_readreg: reg=0xfe (error=-6) Invalid probe, probably not a CX24116 device cx88[0]/2: frontend initialization failed cx88[0]/2: dvb_register failed (err = -22) cx88[0]/2: cx8802 probe failed, err = -22 Just for reference, here is how it looks when using the drivers compiled from the source in tbs6920_8920_v23_linux_x86_x64.rar: cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.6 loaded cx88/0: cx2388x v4l2 driver version 0.0.6 loaded cx88[0]: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72,autodetected], frontend(s): 1 cx88[0]: TV tuner type 4, Radio tuner type -1 input: ImPS/2 Generic Wheel Mouse as /devices/platform/i8042/serio1/input/input5 cx88[0]/2: cx2388x 8802 Driver Manager alloc irq_desc for 17 on cpu 0 node 0 alloc kstat_irqs on cpu 0 node 0 cx88-mpeg driver manager 0000:00:08.2: PCI INT A -> GSI 17 (level, low) -> IRQ 17 cx88[0]/2: found at 0000:00:08.2, rev: 5, irq: 17, latency: 32, mmio: 0xf9000000 IRQ 17/cx88[0]: IRQF_DISABLED is not guaranteed on shared IRQs cx8800 0000:00:08.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 cx88[0]/0: found at 0000:00:08.0, rev: 5, irq: 17, latency: 32, mmio: 0xfa000000 IRQ 17/cx88[0]: IRQF_DISABLED is not guaranteed on shared IRQs cx88[0]/0: registered device video0 [v4l2] cx88[0]/0: registered device vbi0 cx88/2: cx2388x dvb driver version 0.0.6 loaded cx88/2: registering cx8802 driver, type: dvb access: shared cx88[0]/2: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72] cx88[0]/2: cx2388x based DVB/ATSC card cx8802_alloc_frontends() allocating 1 frontend(s) dvb_register() setup TBS8920 ACPI: PCI Interrupt Link [ALKC] enabled at IRQ 22 alloc irq_desc for 22 on cpu 0 node 0 alloc kstat_irqs on cpu 0 node 0 VIA 82xx Audio 0000:00:11.5: PCI INT C -> Link[ALKC] -> GSI 22 (level, low) -> IRQ 22 VIA 82xx Audio 0000:00:11.5: setting latency timer to 64 DVB: registering new adapter (cx88[0]) DVB: registering adapter 0 frontend 0 (Conexant CX24116/CX24118)... vtest$ ls -laR /dev/dvb /dev/dvb: total 0 drwxr-xr-x 3 root root 60 2009-07-26 19:32 . drwxr-xr-x 18 root root 3480 2009-07-26 19:32 .. drwxr-xr-x 2 root root 120 2009-07-26 19:32 adapter0 /dev/dvb/adapter0: total 0 drwxr-xr-x 2 root root 120 2009-07-26 19:32 . drwxr-xr-x 3 root root 60 2009-07-26 19:32 .. crw-rw---- 1 root video 212, 1 2009-07-26 19:32 demux0 crw-rw---- 1 root video 212, 2 2009-07-26 19:32 dvr0 crw-rw---- 1 root video 212, 0 2009-07-26 19:32 frontend0 crw-rw---- 1 root video 212, 3 2009-07-26 19:32 net0 Also, here are the diffs of cx88-dvb.c between your version and the one from the manufacturer. I wonder if the magic number writes at line 1142 could be what makes it work. I can try adding them to your source if you think it is advisable. -- Mark --- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- linux/drivers/media/video/cx88/cx88-dvb.c 2009-07-26 18:00:00.000000000 -0600 +++ /home/mark/tbs8920/linux-s2api-tbs6920-8920-v23/linux/drivers/media/video/cx88/cx88-dvb.c 2009-06-07 18:15:11.000000000 -0600 @@ -428,14 +428,17 @@ switch (voltage) { case SEC_VOLTAGE_13: printk("LNB Voltage SEC_VOLTAGE_13\n"); - cx_write(MO_GP0_IO, 0x00006040); + cx_set(MO_GP0_IO, 0x00006040); + cx_clear(MO_GP0_IO, 0x00000020); break; case SEC_VOLTAGE_18: printk("LNB Voltage SEC_VOLTAGE_18\n"); - cx_write(MO_GP0_IO, 0x00006060); + cx_set(MO_GP0_IO, 0x00006020); + cx_set(MO_GP0_IO, 0x00000040); break; case SEC_VOLTAGE_OFF: printk("LNB Voltage SEC_VOLTAGE_off\n"); + cx_clear(MO_GP0_IO, 0x00000020); break; } @@ -1021,7 +1024,6 @@ } break; case CX88_BOARD_PINNACLE_HYBRID_PCTV: - case CX88_BOARD_WINFAST_DTV1800H: fe0->dvb.frontend = dvb_attach(zl10353_attach, &cx88_pinnacle_hybrid_pctv, &core->i2c_adap); @@ -1142,6 +1144,15 @@ case CX88_BOARD_TBS_8920: case CX88_BOARD_PROF_7300: case CX88_BOARD_SATTRADE_ST4200: + printk(KERN_INFO "%s() setup TBS8920\n", __func__); + cx_write(MO_GP0_IO, 0x00008000); + msleep(100); + cx_write(MO_SRST_IO, 0); + msleep(10); + cx_write(MO_GP0_IO, 0x00008080); + msleep(100); + cx_write(MO_SRST_IO, 1); + msleep(100); fe0->dvb.frontend = dvb_attach(cx24116_attach, &hauppauge_hvr4000_config, &core->i2c_adap); @@ -1179,7 +1190,7 @@ fe1->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl; /* Put the analog decoder in standby to keep it quiet */ - call_all(core, tuner, s_standby); + cx88_call_i2c_clients(core, TUNER_SET_STANDBY, NULL); /* register everything */ return videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,