@related : Audio AmiloA ALSA MIDI Sound Laptop Multimedia audio controller OSS SFX MAO ALi

Log

[[ToDo]]

ALSA lib seq_hw.c:455:(snd_seq_hw_open) open /dev/snd/seq failed: No such file or directory

# http://www.gentooforum.de/thread.php?threadid=4585&page=2&sid=b37de51de66796271d5913b232d9f51e

http://lalists.stanford.edu/lau/2004/01/0372.html

hardware

This AC97 chip is shiped on Laptops :

INFO

#[[RzR]]@[[AmiloA]]:[[Debian]]$ lspci
00:08.0 [[Multimedia audio controller]]: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02)
#[[RzR]]@[[AmiloA]]:[[Debian]]$ lspci -n
0000:00:08.0 Class 0401: 10b9:5451 (rev 02)
#[[RzR]]@[[AmiloA]]:[[Debian]]$ lspci -v -s 0:08
0000:00:08.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02)
      Subsystem: Unknown device 1734:100a
      Flags: bus master, medium devsel, latency 64, IRQ 11
      I/O ports at 8800 [[size=256]]
      Memory at f0402000 (32-bit, non-prefetchable) [[size=4K]]
      Capabilities: [[dc]] Power Management version 2
cat /proc/asound/cards | head
0 [[A5451          ]]: ALI5451 - ALI 5451
                    ALI 5451 at 0x8800, irq 11

Capture Bug

http://bugs.debian.org/345129

/etc/init.d/alsa unload
sudo modprobe -rv snd-ali5451 ;  sudo modprobe -v snd-ali5451 ; dmesg | tail
# Unloading ALSA sound driver modules: snd-ac97-codec snd-ac97-bus snd-pcm snd-timer snd-page-alloc.
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/core/snd-page-alloc.ko
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/core/snd.ko
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/core/snd-timer.ko
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/core/snd-pcm.ko
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/pci/ac97/snd-ac97-bus.ko
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/pci/ac97/snd-ac97-codec.ko
# insmod /lib/modules/2.6.16.19-k7-amiloa/kernel/sound/pci/ali5451/snd-ali5451.ko
# ACPI: PCI Interrupt 0000:00:08.0[[A]] -> Link [[LNKH]] -> GSI 11 (level, low) -> IRQ 11
# AC'97 1 does not respond - RESET
# AC'97 1 access is not valid [[0xffffffff]], removing mixer.
# ali mixer 1 creating error.

Test microphone plug :

 arecord > tmp.wav ;  mplayer tmp.wav 

M5451 [[audio]] [[Driver]] on [[Linux]] Alsa : ali5451

http://www.alsa-project.org/alsa-doc/doc-php/template.php?module=ali5451

cat /proc/asound/A5451/codec97#0/ac97#0-0
0-0/0: Realtek ALC202 rev 0
Capabilities     : -headphone out-
DAC resolution   : 20-bit
ADC resolution   : 18-bit
3D enhancement   : Realtek 3D Stereo Enhancement
Current setup
Mic gain         : +0dB [[+0dB]]
POP path         : pre 3D
Sim. stereo      : off
3D enhancement   : off
Loudness         : off
Mono output      : Mic
Mic select       : Mic1
ADC/DAC loopback : off
Double rate slots: 10/11
Extended ID      : codec=0 rev=1 AMAP DSA=0 SPDIF DRA VRA
Extended status  : SPCV SPDIF=3/4 VRA
PCM front DAC    : 48000Hz
PCM ADC          : 48000Hz
SPDIF Control    : Consumer PCM Category=0x2 Generation=1 Rate=48kHz
# http://www.realtek.com.tw/products/products1-2.aspx?modelid=29
cat /proc/asound/oss/sndstat
Sound Driver:3.8.1a-980706 (ALSA v1.0.8 emulation code)
Kernel: Linux nrv 2.6.11-k7-amiloa #2 Wed Mar 2 20:26:21 CET 2005 i686
Config options: 0
Installed drivers:
Type 10: ALSA emulation
Card config:
ALI 5451 at 0x8800, irq 11
Audio devices:
0: ALI 5451 (DUPLEX)
Synth devices: NOT ENABLED IN CONFIG
Midi devices: NOT ENABLED IN CONFIG
Timers:
7: system timer
Mixers:
0: Realtek ALC202 rev 0

On other Laptop Mixer is :

cat /proc/asound/A5451/codec97#0/ac97#0-0
Analog Device 1886 #  [[Compaq]] Laptop
0-0/0: Conexant Cx20468 rev 1 #  <mRyOuNg> [[HP-Laptop]]
cat /proc/asound/devices
16: [[0- 0]]: digital audio playback
24: [[0- 0]]: digital audio capture
0: [[0- 0]]: ctl
33:       : timer

On AmiloA Laptop (0-0/0: Realtek ALC202 rev 0) :

  • headphones/line out :
  • * unpluged : only active output channels : “Master” and “PCM”
  • * pluged : only active output channels : “Headphone” and “PCM”
  • “Master” controls Internal Speakers, (ignored when Headphone is plugged)
  • “PC Speaker” controls nothing

My conclusion is that there is not usable “Master control”, but “PCM” can be used as.

On Compaq Laptop (Analog Device ):

  • “Headphone” controls nothing (pluged or not)

(but MIDI works fine under Windows) …

# uname -a
# Linux nrv 2.6.11-k7-amiloa #2 Wed Mar 2 20:26:21 CET 2005 i686 GNU/Linux

ToDo

https://bugtrack.alsa-project.org/alsa-bug/login.php?username=guest&password=guest&return=/alsa-bug/view.php%3Fid%3D803

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=803

Analog Devices AD1981B @ [[Toshiba]] Satellite a20 @ <adler>

$ cat /proc/asound/A5451/codec97#0/ac97#0-0
0-0/0: Analog Devices AD1981B
Capabilities     : -headphone out-
DAC resolution   : 20-bit
ADC resolution   : 16-bit
...

AD1981B http://www.analog.com/en/prod/0,2934,AD1981B,00.html

OSS

sudo modprobe -rv trident ;  sudo modprobe -v trident ; dmesg | tail
insmod /lib/modules/2.6.13-k7-amiloa/kernel/sound/oss/ac97_codec.ko
insmod /lib/modules/2.6.13-k7-amiloa/kernel/sound/oss/trident.ko
dmesg
# Trident 4DWave/SiS 7018/ALi 5451,Tvia CyberPro 5050 PCI Audio, version 0.14.10j-2.6, 13:31:15 Sep  3 2005

[[Linux]] modules

Alsa driver : snd-ali5451 @ http://www.alsa-project.org/

/etc/init.d/alsa unload
sudo modprobe -rv snd-ali5451 ;  sudo modprobe -v snd-ali5451 ; dmesg | tail
root@ttyp6[[rzr]]# hexdump /dev/midi
hexdump: /dev/midi: No such device
hexdump: /dev/midi: Bad file descriptor
there should show lotz of ramdom numbers while using it.
modprobe snd-emux-synth #must compile alsa again
The old /dev/sequencer stuff died with ISA bus midi synths.
None of the PCI sound drivers support it.

MIDI

#rzr@[[AmiloA]]$ uname -a
Linux nrv 2.6.7-amiloa #3 Sat Jun 19 15:53:35 CEST 2004 i686 GNU/Linux
#rzr@nrv:[[Debian]]/$ lsmod | grep snd
snd_seq_oss            30976  0
snd_seq_midi_event      6144  1 snd_seq_oss
snd_seq                47504  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          6792  2 snd_seq_oss,snd_seq
snd_ali5451            20680  1
snd_ac97_codec         65924  1 snd_ali5451
snd_pcm_oss            48808  0
snd_mixer_oss          17408  2 snd_pcm_oss
snd_pcm                82212  2 snd_ali5451,snd_pcm_oss
snd_page_alloc          9224  1 snd_pcm
snd_timer              20228  2 snd_seq,snd_pcm
snd                    46308  10 snd_seq_oss,snd_seq_midi_event,snd_seq,snd_seq_device,snd_ali5451,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore               7264  3 trident,snd
#rzr@nrv:[[Debian]]/$ playmidi /usr/share/games/pinball/tux/intro.mid
Playmidi 2.4 Copyright (C) 1994-1997 Nathan I. Laredo, AWE32 by Takashi Iwai
This is free software with ABSOLUTELY NO WARRANTY.
For details please see the file COPYING.
open /dev/sequencer: No such device
#rzr@nrv:[[Debian]]/$ dmesg | tail
no device found

http://seclists.org/lists/linux-kernel/2002/Jul/2899.html

http://www.alsa-project.org/alsa-doc/doc-php/template.php?module=ali5451

# cat /etc/modules.conf
# ALSA portion
alias snd-card-0 snd-interwave
alias snd-card-1 snd-cmipci
options snd-cmipci id="first" enable_midi="1"
# uname -a
Linux nrv 2.4.22-amiloa #9 mar nov 4 18:51:57 CET 2003 i686 GNU/Linux
# apt-get alsa-source # compile, install etc
# modprobe -r trident
# modprobe -v snd-ali5451
# lsmod
snd                    28516   0 [[snd-ali5451 snd-ac97-codec snd-pcm-oss snd-pcm snd-timer snd-mixer-oss]]
# alsamixer # unmute
# playmidi -v ~/mnt/public/white.zombie.online.fr/d/zombie/sfx/Electric_Head_Pt_2.mid
open /dev/sequencer: No such devic

http://seclists.org/lists/linux-kernel/2002/Jul/2899.html

“The old /dev/sequencer stuff died with ISA bus midi synths. None of the PCI sound drivers support it.”

KERNEL 2.4

# dmesg :
Trident 4DWave/SiS 7018/ALi 5451,Tvia CyberPro 5050 PCI Audio, version 0.14.10h, 15:49:42 Mar 26 2003
PCI: Found IRQ 11 for device 00:08.0
trident: ALi Audio Accelerator found at IO 0x8800, IRQ 11
ac97_codec: AC97 Audio codec, id: ALG64(Unknown)
ac97_codec: AC97 Audio codec, id: ALG64(Unknown)
# lspci -v -s 0:08
00:08.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02)
      Subsystem: Unknown device 1734:100a
      Flags: bus master, medium devsel, latency 64, IRQ 11
      I/O ports at 8800 [[size=256]]
      Memory at f0402000 (32-bit, non-prefetchable) [[size=4K]]
      Capabilities: [[dc]] Power Management version 2
# scanpci -v
pci bus 0x0000 cardnum 0x08 function 0x00: vendor 0x10b9 device 0x5451
ALi Corporation M5451 PCI AC-Link Controller Audio Device
CardVendor 0x1734 card 0x100a (Card unknown)
STATUS    0xc290  COMMAND 0x0007
CLASS     0x04 0x01 0x00  REVISION 0x02
BIST      0x00  HEADER 0x00  LATENCY 0x40  CACHE 0x00
BASE0     0x00008801  addr 0x00008800  I/O
BASE1     0xf0402000  addr 0xf0402000  MEM
MAX_LAT   0x18  MIN_GNT 0x02  INT_PIN 0x01  INT_LINE 0x0b
# On Alsa it is Identified  as :
# alsamixer
Card: ALI 5451
Chip: Avance Logic ALC202 rev 0
# lsmod # if using OSS
trident                29076   2
ac97_codec              9992   0  [[trident]]
soundcore               3364   5  [[sound trident]]
pcigame                 1384   0  [[trident]]
gameport                1276   0  [[pcigame]]
sound                  54540   0
#rzr@nrv:rzr/$ lsmod | grep snd #if using ALSA
snd-seq-oss            25792   0 (unused)
snd-seq-midi-event      3328   0 [[snd-seq-oss]]
snd-seq                34448   2 [[snd-seq-oss snd-seq-midi-event]]
snd-seq-device          4016   0 [[snd-seq-oss snd-seq]]
snd-pcm-oss            37956   1
snd-mixer-oss          12856   1 [[snd-pcm-oss]]
snd-ali5451            12740   2
snd-pcm                57860   0 [[snd-pcm-oss snd-ali5451]]
snd-timer              13084   0 [[snd-seq snd-pcm]]
snd-page-alloc          5748   0 [[snd-pcm]]
snd-ac97-codec         39928   0 [[snd-ali5451]]
snd                    28516   0 [[snd-seq-oss snd-seq-midi-event snd-seq  snd-seq-device snd-pcm-oss snd-mixer-oss snd-ali5451 snd-pcm snd-timer  snd-ac97-codec]]
soundcore               3652   5 [[snd]]
demolinux: was not properly detected
knoppix : ok
Module trident.o was detected on boot with the redhat scripts (kudzu).
Sound works with trident.o from kernel or the ali5451-driver from alsa. The alsa driver should be better. Maybe midi works with alsa
Alsa driver on kernel 2.6 : 'snd-ali5451.o'
# modprobe -v snd-trident
insmod /lib/modules/2.6.0-test4/kernel/sound/pci/trident/snd-trident.ko
But you can hear the Interruptions through the headphone. It seem that the mixer is shuffled : master is assigned as 'pcm1' and 'pcm1' mapped to 'pcm2'.
MIDI is supported on windows, but I don't know how to on linux.
#root@nrv# modprobe v_midi
#root@nrv# playmidi -v  ~/mnt/public/white.zombie.online.fr/d/zombie/sfx/Electric_Head_Pt_2.mid

Playmidi 2.4 Copyright (C) 1994-1997 Nathan I. Laredo, AWE32 by Takashi Iwai This is free software with ABSOLUTELY NO WARRANTY. For details please see the file COPYING. playmidi: No playback device found.

# date > /dev/midi0
bash: /dev/midi0: No such device
# cat /dev/sndstat
No such file
# apt-get install timidity timidity-patches # 32Mb
# ls /lib/modules/2.4.20-xfs/kernel/drivers/sound/
Recording with krecord from embeded mic was ok.

[[M5451]]

$ pmidi -l # ~/rzr.online.fr/docs/zombie/sfx/blacksunshine.mid
Could not open sequencer No such file or directory
$ lsmod | grep midi
snd_seq_midi            7072  0
snd_seq_midi_event      6016  2 snd_seq_oss,snd_seq_midi
snd_seq                48144  6    snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_rawmidi            20256  1 snd_seq_midi
snd_seq_device          7180  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq,snd_rawmidi
snd                    44644  12 snd_seq_oss,snd_seq,snd_rawmidi,snd_seq_device,snd_ali5451,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
$ pmidi -l # ~/rzr.online.fr/docs/zombie/sfx/blacksunshine.mid
Port     Client name                       Port name
62:0     Midi Through                      Midi Through Port-0

http://www.cs.helsinki.fi/linux/linux-kernel/2002-28/0704.html

The weird stuff is that this card is MIDI capable using sdlmixer (ie; Pinball)

[[Java]]

An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x140
Function=[[Unknown.]]
Library=(N/A)
NOTE: We are unable to locate the function name symbol for the error
    just occurred. Please refer to release documentation for possible
    reason and solutions.
Current Java thread:
at com.sun.media.sound.MixerThread.runNative(Native Method)
at com.sun.media.sound.MixerThread.run(MixerThread.java:314)

SUPPORT

m5451.txt · Last modified: 2020/09/08 20:45 (external edit)
 
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