[ltp] Sound in FC3 (udev)
Bert Haskins
linux-thinkpad@linux-thinkpad.org
Mon, 21 Feb 2005 12:48:52 -0500
Jo Jo wrote:
> Well, she's working now. Actually, all I had to was turn on the quick
> boot. /dev/dsp then appeared, but I had to try a whole lot of things
> over and over again until I got sound. However, even after I got
> sound I couldn't get those volume bars in KDE's sound mixer to turn
> yellow. They are still gray. What does one do about that? I'd also
> appreciate it if someone could tell me how to supress that
> ear-splitting feedback
I've had ESFB from having the microphone volume (gain) set too high.
> that occurs around the time that the harddrive parameters are being set.
>
>
>> Jo Jo wrote:
>>
>>> I've run ps2.exe on the ThinkPad and all the settings it lists for
>>> the audio are the same in your modprobe.conf. However, there are a
>>> few settings in the conf that ps2.exe didn't give:
>>> index=0: I take it this has nothing to do w/the sound board settings...
>>> id=CARD_0: nor this.
>>
>>
>>
>> They do if you have more than one sound device. I also use a USB
>> audio device and that gets index=1 and id=CARD_1. But with one card
>> those entries can just be the default settings. So no, PS2 doesn't
>> report those values, they are something you can set in the driver.
>>
>>> port=0x530: same
>>
>>
>>
>> This is the primary audio device port!
>>
>>> cport=0x538: There's an "ADDress : 538" in the AUDIOCTRL settings
>>
>>
>>
>> That's it
>>
>>> sb_port=0x220: same
>>
>>
>>
>> This is part of the sound device. If you have different settings in
>> BIOS and driver then you won't be able to control parts of the sound
>> device, if the driver loads at all.
>>
>>> fm_port=0x388: ps2.exe doesn't show this
>>
>>
>>
>> It's always 0x388. This is for the internal FM synth. But the
>> driver doesn't know that so that's why it is on the options line.
>>
>>> irq=5: same
>>
>>
>>
>> This is the main sound device interrupt. If you don't have this
>> right nothing will work!
>>
>>> dma1=1 and dma2=0: ps2.exe had "DMA : 0 1". does order matter?
>>
>>
>>
>> Most definitely it matters. But the order that PS2.EXE gives doesn't
>> necessarily correspond to what the snd-cs4236 module wants, so if you
>> think you have everything else right, try swapping the values of dma1
>> and dma2.
>>
>>> mpu_port=0x330: There's an "ADDress : 330" in the MIDIport settings
>>> mpu_irq=9: There's an "IRQ : 9" in the MIDIport settings
>>> The MIDIport settings also have "Disabled"
>>
>>
>>
>> Disabled is OK, if you don't want to use external MIDI. If you want
>> MIDI you need a docking station in order to have the port available.
>> But it's not needed for basic audio.
>>
>>>
>>> But I feel that this has more to do with the driver and chipset. The
>>> error I get on startup from insmod is that there is no such device.
>>> I guess I don't blame it for thinking that since lspci also seems to
>>> think there's a different model in there.
>>
>>
>>
>> No, it isn't doing any such "thinking" as the snd-cs4236 driver does
>> not look at the output of lspci. The difficulty here is that until
>> you get the settings right you will only get misleading error
>> messages. The is no "almost", it has to be right or nothing
>> happens. Do you also have "Quickboot" turned off? That is required
>> in order for the BIOS to actually configure the sound hardware.
>>
>> Since you seem to doubt that this all does work, here follows the
>> output from various commands on my 600E. You already have seen the
>> sound device parts of my /etc/modules.conf (I'm running a 2.4.x
>> kernel, but that doesn't make a difference here).
>>
>> lspci output. Yes, this shows a CS 4610/11, but forget about that,
>> you can't use that driver the way the 600E is wired up. This is with
>> my wi-fi card inserted.
>>
>> 0000:00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX
>> Host bridge (rev 03)
>> 0000:00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP
>> bridge (rev 03)
>> 0000:00:02.0 CardBus bridge: Texas Instruments PCI1251A
>> 0000:00:02.1 CardBus bridge: Texas Instruments PCI1251A
>> 0000:00:06.0 Multimedia audio controller: Cirrus Logic CS 4610/11
>> [CrystalClear SoundFusion Audio Accelerator] (rev 01)
>> 0000:00:07.0 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02)
>> 0000:00:07.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01)
>> 0000:00:07.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev
>> 01)
>> 0000:00:07.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02)
>> 0000:01:00.0 VGA compatible controller: Neomagic Corporation NM2200
>> [MagicGraph 256AV] (rev 12)
>> 0000:02:00.0 Ethernet controller: Atheros Communications, Inc. AR5212
>> 802.11abg NIC (rev 01)
>>
>> lsmod output. This also shows USB audio modules because I use them
>> often and thus always have them loaded. ALL of the sound modules are
>> automatically loaded with "modprobe snd-cs4236" followed by "modprobe
>> snd-usb-audio", though I just have the two modules listed in
>> /etc/modules so that the modprobes happen at boot time. This also
>> shows wi-fi modules, the module for the modem, and USB modules. The
>> madwifi modules for my atheros wi-fi card taints the kernel.
>>
>> Module Size Used by Tainted: P
>> wlan_wep 3744 1 (autoclean)
>> mwave 32360 4
>> ath_pci 40464 1
>> ath_rate_onoe 3976 0 [ath_pci]
>> wlan 85464 1 [wlan_wep ath_pci ath_rate_onoe]
>> ath_hal 118992 1 [ath_pci]
>> usb-uhci 24144 0 (unused)
>> snd-usb-audio 43520 0 (unused)
>> snd-usb-lib 8292 0 [snd-usb-audio]
>> usbcore 65100 1 [usb-uhci snd-usb-audio snd-usb-lib]
>> snd-cs4236 2272 0
>> snd-cs4236-lib 11824 0 [snd-cs4236]
>> snd-pcm-oss 38560 0 (unused)
>> snd-mixer-oss 13528 0 [snd-pcm-oss]
>> snd-opl3-lib 6692 0 [snd-cs4236]
>> snd-hwdep 4640 0 [snd-opl3-lib]
>> snd-cs4231-lib 17004 0 [snd-cs4236 snd-cs4236-lib]
>> snd-pcm 62312 0 [snd-usb-audio snd-cs4236-lib
>> snd-pcm-oss snd-cs4231-lib]
>> snd-timer 15236 0 [snd-opl3-lib snd-cs4231-lib snd-pcm]
>> snd-mpu401-uart 3792 0 [snd-cs4236]
>> snd-rawmidi 13728 0 [snd-usb-lib snd-mpu401-uart]
>> snd-seq-device 4164 0 [snd-opl3-lib snd-rawmidi]
>> snd 34692 0 [snd-usb-audio snd-usb-lib
>> snd-cs4236 snd-cs4236-lib snd-pcm-oss snd-mixer-oss snd-opl3-lib
>> snd-hwdep snd-cs4231-lib snd-pcm snd-timer snd-mpu401-uart
>> snd-rawmidi snd-seq-device]
>> snd-page-alloc 4968 0 [snd-usb-audio snd-mixer-oss
>> snd-hwdep snd-cs4231-lib snd-pcm snd-timer snd-rawmidi snd-seq-device
>> snd]
>>
>>
>> cat /proc/interrupts
>> See how the sound device interrupt 5 actually gets claimed by
>> "CS4231", just to be confusing. Also interrupt 9 is claimed by the
>> raw MIDI driver.
>> CPU0 0: 75126 XT-PIC timer
>> 1: 396 XT-PIC keyboard
>> 2: 0 XT-PIC cascade
>> 5: 0 XT-PIC CS4231
>> 7: 1 XT-PIC parport0
>> 8: 4 XT-PIC rtc
>> 9: 0 XT-PIC MPU401 UART
>> 10: 7 XT-PIC mwave_3780i
>> 11: 1069 XT-PIC Texas Instruments PCI1251A, Texas
>> Instruments PCI1251A (#2), usb-uhci, ath0
>> 12: 83 XT-PIC PS/2 Mouse
>> 14: 17283 XT-PIC ide0
>> 15: 5 XT-PIC ide1
>> NMI: 0
>> ERR: 0
>>
>>
>> cat /proc/ioports Note how ALL of the ports I have in the options
>> line (and then some) show up as belonging to some part of the sound
>> hardware.
>>
>> 0000-001f : dma1
>> 0020-003f : pic1
>> 0040-005f : timer
>> 0060-006f : keyboard
>> 0070-007f : rtc
>> 0080-008f : dma page reg
>> 00a0-00bf : pic2
>> 00c0-00df : dma2
>> 00f0-00ff : fpu
>> 0130-013f : mwave_3780i
>> 0170-0177 : ide1
>> 01f0-01f7 : ide0
>> 0220-022f : CS4236+ SB
>> 02f8-02ff : serial(set)
>> 0330-0331 : MPU401 UART
>> 0376-0376 : ide1
>> 0388-0389 : OPL2/3 (left)
>> 038a-038b : OPL2/3 (right)
>> 03bc-03be : parport0
>> 03c0-03df : vga+
>> 03f6-03f6 : ide0
>> 03f8-03ff : serial(set)
>> 0530-0533 : CS4231
>> 0538-053f : CS4232 Control
>> 07bc-07be : parport0
>> 0cf8-0cff : PCI conf1
>> 4000-40ff : PCI CardBus #02
>> 4400-44ff : PCI CardBus #02
>> 4800-48ff : PCI CardBus #05
>> 4c00-4cff : PCI CardBus #05
>> 8400-841f : Intel Corp. 82371AB/EB/MB PIIX4 USB
>> 8400-841f : usb-uhci
>> d000-dfff : PCI Bus #01
>> ef00-ef3f : Intel Corp. 82371AB/EB/MB PIIX4 ACPI
>> efa0-efbf : Intel Corp. 82371AB/EB/MB PIIX4 ACPI
>> fcf0-fcff : Intel Corp. 82371AB/EB/MB PIIX4 IDE
>> fcf0-fcf7 : ide0
>> fcf8-fcff : ide1
>>
>>
>> cat /proc/asound/cards (USB audio device not inserted at this time,
>> so just CARD_0 appears)
>>
>> 0 [CARD_0 ]: CS4239 - CS4239
>> CS4239 at 0x530, irq 5, dma 1&0
>>
>>
>> cat /proc/asound/devices These are your basic audio devices.
>>
>> 8: [0- 0]: raw midi
>> 4: [0- 0]: hardware dependent
>> 16: [0- 0]: digital audio playback
>> 24: [0- 0]: digital audio capture
>> 0: [0- 0]: ctl
>> 33: : timer
>>
>>
>> cat /proc/asound/hwdep The FM synth.
>>
>> 00-00: OPL3 FM
>>
>>
>> cat /proc/asound/pcm The digital audio ins and outs. Again
>> confusingly, CS4231 and CS4239 are showing, yet one gets this by
>> modprobing the snd-cs4236 module!
>>
>> 00-00: CS4231 : CS4239 : playback 1 : capture 1
>>
>>
>> cat /proc/asound/version While this was built last week, I don't
>> think I've had to touch the config since about version 1.03 or so,
>> over a year ago.
>>
>> Advanced Linux Sound Architecture Driver Version 1.0.8.
>> Compiled on Feb 10 2005 for kernel 2.4.28-lck15 with versioned symbols.
>>
>>
>> Well there you have it, examples from a working 600E with everything
>> related to sound configured and working. Sure, you might not care
>> about MIDI or the FM synth, and those two are optional, but
>> everything else is required to get the full use out of the sound
>> device. Remember there is absolutely no auto probing going on here,
>> you have to get the settings right or nothing happens! That's why
>> getting sound working on a 600E and others with the same sound
>> hardware is so difficult, there is no help from the software, you
>> have to get the settings right yourself. Keep trying and good luck!
>>
>> wes
>> --
>> The linux-thinkpad mailing list home page is at:
>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>
>
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