[Openvortex-dev] Re: au88x0 modem

[Raymond]

Philipp Matthias Hahn wrote:
> Hello!
>
> On Fri, Sep 16, 2005 at 09:25:24PM +0300, Sasha Khapyorsky wrote:
>
> > On 10:46 Fri 16 Sep     , Philipp Matthias Hahn wrote:
> >
> > > > 2. GPIO
> > > >
> > > > Probably we are lucky and au88x0 implements it in AC97 way, try to write
> > > > mc97 registers via /proc (for this you need build drivers in debug mode,
> > > > '--with-debug=detect' is ok):
> > > > # echo 42 ffff > /proc/asound/card0/codec97#0/mc97#1-1+regs
> > > > # echo 42 0 > /proc/asound/card0/codec97#0/mc97#1-1+regs
> > > > # echo 54 1 > /proc/asound/card0/codec97#0/mc97#1-1+regs
> > >
> > > Sorry, I did echo those values and read mc97#1-1+regs, but no values
> > > changed.
> >
> > Even 0x42 register? Are you with debug version of drivers
> > ( ./configure --with-debug=detect )?
>
>
> Sorry, yes. The is ALSA from linux-2.6.13.2 with CONFIG_SND_DEBUG=y,
> which is equivalent to --with-debug=detect.
> I attached a new dmesg with an additional patch, which prints out every
> vortex_{read,write}.
>
> ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
> PCI: setting IRQ 10 as level-triggered
> ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LNKC] -> GSI 10 (level, low) -> 
> IRQ 10
> Vortex: init.... <3>ALSA sound/core/control.c:324: control 3:0:0:Playback PCM 
> advanced processing:0 is already present
> done.
> vortex_codec_read  0 7c :8384
> vortex_codec_read  0 7e :7605
> vortex_codec_write 0 00 :0000
> vortex_codec_read  0 00 :6940
> vortex_codec_read  0 7c :8384
> vortex_codec_read  0 7e :7605
> vortex_codec_write 0 1c :8a05
> vortex_codec_read  0 1c :8a05
> vortex_codec_read  0 7c :8384
> vortex_codec_read  0 7e :7605
> vortex_codec_write 0 1c :8a06
> vortex_codec_read  0 1c :8a06
> vortex_codec_read  0 00 :6940
> vortex_codec_read  0 28 :0000
> vortex_codec_write 0 26 :0000
> vortex_codec_write 0 00 :0000
> vortex_codec_write 0 26 :0000
> vortex_codec_write 0 20 :0000
> vortex_codec_read  0 26 :000f
> vortex_codec_read  0 02 :8000
> vortex_codec_read  0 02 :8000
> vortex_codec_write 0 02 :0000
> vortex_codec_read  0 02 :0000
> vortex_codec_write 0 02 :8000
> vortex_codec_read  0 02 :8000
> vortex_codec_write 0 02 :8000
> vortex_codec_write 0 02 :a0a0
> vortex_codec_read  0 02 :9f9f
> vortex_codec_read  0 02 :9f1f
> vortex_codec_write 0 02 :9090
> vortex_codec_read  0 02 :9090
> vortex_codec_read  0 02 :9010
> vortex_codec_read  0 02 :9010
> vortex_codec_write 0 02 :9f1f
> vortex_codec_read  0 06 :9f00
> vortex_codec_read  0 06 :8000
> vortex_codec_write 0 06 :0000
> vortex_codec_read  0 06 :0000
> vortex_codec_write 0 06 :8000
> vortex_codec_read  0 06 :8000
> vortex_codec_write 0 06 :8000
> vortex_codec_write 0 06 :a0a0
> vortex_codec_read  0 06 :a09f
> vortex_codec_read  0 06 :801f
> vortex_codec_write 0 06 :9090
> vortex_codec_read  0 06 :9090
> vortex_codec_read  0 06 :8010
> vortex_codec_write 0 06 :8181
> vortex_codec_read  0 06 :8181
> vortex_codec_read  0 06 :8001
> vortex_codec_read  0 06 :8001
> vortex_codec_write 0 06 :801f
> vortex_codec_read  0 0a :0000
> vortex_codec_write 0 0a :8000
> vortex_codec_read  0 0a :8000
> vortex_codec_read  0 0a :8000
> vortex_codec_write 0 0a :801e
> vortex_codec_read  0 0c :8008
> vortex_codec_read  0 0c :8008
> vortex_codec_write 0 0c :0008
> vortex_codec_read  0 0c :0008
> vortex_codec_write 0 0c :8008
> vortex_codec_read  0 0c :8008
> vortex_codec_write 0 0c :8008
> vortex_codec_write 0 0c :a0a0
> vortex_codec_read  0 0c :8000
> vortex_codec_read  0 0c :8000
> vortex_codec_write 0 0c :9090
> vortex_codec_read  0 0c :8010
> vortex_codec_read  0 0c :8010
> vortex_codec_write 0 0c :8181
> vortex_codec_read  0 0c :8001
> vortex_codec_read  0 0c :8001
> vortex_codec_read  0 0c :8001
> vortex_codec_write 0 0c :801f
> vortex_codec_read  0 0e :8008
> vortex_codec_read  0 0e :8008
> vortex_codec_write 0 0e :0008
> vortex_codec_read  0 0e :0008
> vortex_codec_write 0 0e :8008
> vortex_codec_read  0 0e :8008
> vortex_codec_write 0 0e :8008
> vortex_codec_write 0 0e :a0a0
> vortex_codec_read  0 0e :a0a0
> vortex_codec_read  0 0e :8000
> vortex_codec_write 0 0e :9090
> vortex_codec_read  0 0e :9090
> vortex_codec_read  0 0e :8010
> vortex_codec_write 0 0e :8181
> vortex_codec_read  0 0e :8181
> vortex_codec_read  0 0e :8001
> vortex_codec_read  0 0e :8001
> vortex_codec_write 0 0e :801f
> vortex_codec_read  0 10 :8808
> vortex_codec_read  0 10 :8808
> vortex_codec_write 0 10 :0808
> vortex_codec_read  0 10 :0808
> vortex_codec_write 0 10 :8808
> vortex_codec_read  0 10 :8808
> vortex_codec_write 0 10 :8808
> vortex_codec_write 0 10 :a0a0
> vortex_codec_read  0 10 :a0a0
> vortex_codec_read  0 10 :8000
> vortex_codec_write 0 10 :9090
> vortex_codec_read  0 10 :9090
> vortex_codec_read  0 10 :9010
> vortex_codec_read  0 10 :9010
> vortex_codec_write 0 10 :9f1f
> vortex_codec_read  0 12 :8808
> vortex_codec_read  0 12 :8808
> vortex_codec_write 0 12 :0808
> vortex_codec_read  0 12 :0808
> vortex_codec_write 0 12 :8808
> vortex_codec_read  0 12 :8808
> vortex_codec_write 0 12 :8808
> vortex_codec_write 0 12 :a0a0
> vortex_codec_read  0 12 :a0a0
> vortex_codec_read  0 12 :8000
> vortex_codec_write 0 12 :9090
> vortex_codec_read  0 12 :9090
> vortex_codec_read  0 12 :9010
> vortex_codec_read  0 12 :9010
> vortex_codec_write 0 12 :9f1f
> vortex_codec_read  0 14 :8808
> vortex_codec_read  0 14 :8808
> vortex_codec_write 0 14 :0808
> vortex_codec_read  0 14 :0808
> vortex_codec_write 0 14 :8808
> vortex_codec_read  0 14 :8808
> vortex_codec_write 0 14 :8808
> vortex_codec_write 0 14 :a0a0
> vortex_codec_read  0 14 :a0a0
> vortex_codec_read  0 14 :8000
> vortex_codec_write 0 14 :9090
> vortex_codec_read  0 14 :9090
> vortex_codec_read  0 14 :9010
> vortex_codec_read  0 14 :9010
> vortex_codec_write 0 14 :9f1f
> vortex_codec_read  0 16 :8808
> vortex_codec_read  0 16 :8808
> vortex_codec_write 0 16 :0808
> vortex_codec_read  0 16 :0808
> vortex_codec_write 0 16 :8808
> vortex_codec_read  0 16 :8808
> vortex_codec_write 0 16 :8808
> vortex_codec_write 0 16 :a0a0
> vortex_codec_read  0 16 :a0a0
> vortex_codec_read  0 16 :8000
> vortex_codec_write 0 16 :9090
> vortex_codec_read  0 16 :9090
> vortex_codec_read  0 16 :9010
> vortex_codec_read  0 16 :9010
> vortex_codec_write 0 16 :9f1f
> vortex_codec_read  0 18 :8808
> vortex_codec_write 0 18 :0808
> vortex_codec_read  0 18 :0808
> vortex_codec_write 0 18 :8808
> vortex_codec_read  0 18 :8808
> vortex_codec_write 0 18 :8808
> vortex_codec_write 0 18 :a0a0
> vortex_codec_read  0 18 :a0a0
> vortex_codec_read  0 18 :8000
> vortex_codec_write 0 18 :9090
> vortex_codec_read  0 18 :9090
> vortex_codec_read  0 18 :9010
> vortex_codec_read  0 18 :9010
> vortex_codec_write 0 18 :9f1f
> vortex_codec_read  0 1c :9010
> vortex_codec_write 0 1c :1010
> vortex_codec_read  0 1c :1010
> vortex_codec_write 0 1c :9010
> vortex_codec_read  0 1c :9010
> vortex_codec_write 0 1c :9010
> vortex_codec_write 0 1a :0000
> vortex_codec_write 0 1c :0000
> vortex_codec_read  0 20 :0000
> vortex_codec_write 0 20 :8000
> vortex_codec_read  0 20 :8000
> vortex_codec_write 0 20 :0000
> vortex_codec_read  0 20 :0000
> vortex_codec_write 0 20 :2000
> vortex_codec_read  0 20 :2000
> vortex_codec_write 0 20 :0000
> vortex_codec_read  0 20 :0000
> vortex_codec_write 0 20 :0200
> vortex_codec_read  0 20 :0200
> vortex_codec_write 0 20 :0000
> vortex_codec_read  0 20 :0000
> vortex_codec_write 0 20 :0100
> vortex_codec_read  0 20 :0100
> vortex_codec_write 0 20 :0000
> vortex_codec_read  0 22 :0000
> vortex_codec_write 0 22 :0707
> vortex_codec_read  0 22 :0707
> vortex_codec_write 0 22 :0000
> vortex_codec_read  0 26 :000f
> vortex_codec_write 0 26 :800f
> vortex_codec_read  0 26 :800f
> vortex_codec_write 0 26 :000f
> vortex_codec_read  0 2a :ffff
> vortex_codec_write 0 2a :ffff
> vortex_codec_read  1 7c :5349
> vortex_codec_read  1 7e :4c26
> vortex_codec_write 1 00 :0000
> vortex_codec_write 1 3c :0000
> vortex_codec_read  1 00 :0000
> vortex_codec_read  1 7c :5349
> vortex_codec_read  1 7e :4c26
> vortex_codec_write 1 1c :8a05
> vortex_codec_read  1 1c :0000
> vortex_codec_read  1 00 :0000


for audio codec

           ac97.scaps = AC97_SCAP_NO_SPDIF;

for modem codec

          ac97.scaps = AC97_SCAP_SKIP_AUDIO;



static int __devinit snd_vortex_mixer(vortex_t * vortex)
{
    ac97_bus_t *pbus;
    ac97_template_t ac97;
    int err;
    static ac97_bus_ops_t ops = {
        .write = vortex_codec_write,
        .read = vortex_codec_read,
    };

    if ((err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus)) < 0)
        return err;

    memset(&ac97, 0, sizeof(ac97));
    // Intialize AC97 codec stuff.
    ac97.private_data = vortex;
    ac97.scaps = AC97_SCAP_NO_SPDIF;
    err = snd_ac97_mixer(pbus, &ac97, &vortex->codec[0]);
    vortex->isquad = ((vortex->codec[0] == NULL) ?  0 :
(vortex->codec[0]->ext_id & AC97_EI_SDAC));
#ifndef CHIP_AU8820
    /* Enable rear channels of audio codec. */
    if ( vortex->isquad )
        hwwrite(vortex->mmio, VORTEX_CODEC_EN,
            hwread(vortex->mmio, VORTEX_CODEC_EN) | EN_AUDIO1);
#endif
#ifdef CHIP_AU8810
    switch ( hwread(vortex->mmio,0x2A804)) {
    case 0x10431043:          // ASUS L8400B
        memset(&ac97, 0, sizeof(ac97));
        // Intialize MC97 codec stuff.
        ac97.private_data = vortex;
        ac97.scaps = AC97_SCAP_SKIP_AUDIO;
        ac97.num = 1;
        err = snd_ac97_mixer(pbus, &ac97, &vortex->codec[ac97.num]);
        hwwrite(vortex->mmio, VORTEX_CODEC_EN,
            hwread(vortex->mmio, VORTEX_CODEC_EN) | EN_MODEM);
    };
#endif
    return err;
}



> Doing an "echo 44 ff > ...mc97$1-1+regs" prints out the expected
>         vortex_codec_write 1 44 :ffff
> but the following read returns "0000"
>
>
> > > > , if value is changed (we are lucky then), you may connect line and
> > > > isten 'Hook-Off' clicks (when 0x54 is switched between 0 and 1) with
> > > > parallel phone.
> > >
> > > I don't have the line cable with me at the moment and need to find a
> > > analog telephone circuit until I can test that
> >
> > If values are not changed there will nothing, don't try.