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ALSA: sscape: add supoort for SPEA Media FX/Reveal SC-600
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Move code from the OSS sscape driver in order to support old Soundscape OEM models.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Krzysztof Helt authored and Takashi Iwai committed Sep 28, 2009
1 parent 4f27234 commit f0968e3
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Showing 2 changed files with 86 additions and 36 deletions.
6 changes: 4 additions & 2 deletions sound/isa/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -377,10 +377,12 @@ config SND_SSCAPE
select SND_WSS_LIB
help
Say Y here to include support for Ensoniq SoundScape
soundcards.
and Ensoniq OEM soundcards.

The PCM audio is supported on SoundScape Classic, Elite, PnP
and VIVO cards. The MIDI support is very experimental.
and VIVO cards. The supported OEM cards are SPEA Media FX and
Reveal SC-600.
The MIDI support is very experimental.

To compile this driver as a module, choose M here: the module
will be called snd-sscape.
Expand Down
116 changes: 82 additions & 34 deletions sound/isa/sscape.c
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,8 @@ enum GA_REG {


enum card_type {
SSCAPE,
MEDIA_FX, /* Sequoia S-1000 */
SSCAPE, /* Sequoia S-2000 */
SSCAPE_PNP,
SSCAPE_VIVO,
};
Expand Down Expand Up @@ -784,20 +785,25 @@ static struct snd_kcontrol_new midi_mixer_ctl = {
* These IRQs are encoded as bit patterns so that they can be
* written to the control registers.
*/
static unsigned __devinit get_irq_config(int irq)
static unsigned __devinit get_irq_config(int sscape_type, int irq)
{
static const int valid_irq[] = { 9, 5, 7, 10 };
static const int old_irq[] = { 9, 7, 5, 15 };
unsigned cfg;

for (cfg = 0; cfg < ARRAY_SIZE(valid_irq); ++cfg) {
if (irq == valid_irq[cfg])
return cfg;
} /* for */
if (sscape_type == MEDIA_FX) {
for (cfg = 0; cfg < ARRAY_SIZE(old_irq); ++cfg)
if (irq == old_irq[cfg])
return cfg;
} else {
for (cfg = 0; cfg < ARRAY_SIZE(valid_irq); ++cfg)
if (irq == valid_irq[cfg])
return cfg;
}

return INVALID_IRQ;
}


/*
* Perform certain arcane port-checks to see whether there
* is a SoundScape board lurking behind the given ports.
Expand Down Expand Up @@ -842,11 +848,39 @@ static int __devinit detect_sscape(struct soundscape *s, long wss_io)
if (s->type != SSCAPE_VIVO && (d & 0x9f) != 0x0e)
goto _done;

d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
if (s->ic_type == IC_OPUS)
activate_ad1845_unsafe(s->io_base);

if (s->type == SSCAPE_VIVO)
wss_io += 4;

d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);

/* wait for WSS codec */
for (d = 0; d < 500; d++) {
if ((inb(wss_io) & 0x80) == 0)
break;
spin_unlock_irqrestore(&s->lock, flags);
msleep(1);
spin_lock_irqsave(&s->lock, flags);
}
snd_printd(KERN_INFO "init delay = %d ms\n", d);

if ((inb(wss_io) & 0x80) != 0)
goto _done;

if (inb(wss_io + 2) == 0xff)
goto _done;

d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d);

if ((inb(wss_io) & 0x80) != 0)
s->type = MEDIA_FX;

d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
/* wait for WSS codec */
for (d = 0; d < 500; d++) {
if ((inb(wss_io) & 0x80) == 0)
Expand Down Expand Up @@ -954,9 +988,6 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port,
if (sscape->type == SSCAPE_VIVO)
port += 4;

if (dma1 == dma2)
dma2 = -1;

err = snd_wss_create(card, port, -1, irq, dma1, dma2,
WSS_HW_DETECT, WSS_HWSHARE_DMA1, &chip);
if (!err) {
Expand Down Expand Up @@ -1051,21 +1082,7 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
struct resource *wss_res;
unsigned long flags;
int err;

/*
* Check that the user didn't pass us garbage data ...
*/
irq_cfg = get_irq_config(irq[dev]);
if (irq_cfg == INVALID_IRQ) {
snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]);
return -ENXIO;
}

mpu_irq_cfg = get_irq_config(mpu_irq[dev]);
if (mpu_irq_cfg == INVALID_IRQ) {
printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
return -ENXIO;
}
const char *name;

/*
* Grab IO ports that we will need to probe so that we
Expand Down Expand Up @@ -1109,8 +1126,41 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
goto _release_dma;
}

printk(KERN_INFO "sscape: hardware detected at 0x%x, using IRQ %d, DMA %d\n",
sscape->io_base, irq[dev], dma[dev]);
switch (sscape->type) {
case MEDIA_FX:
name = "MediaFX/SoundFX";
break;
case SSCAPE:
name = "Soundscape";
break;
case SSCAPE_PNP:
name = "Soundscape PnP";
break;
case SSCAPE_VIVO:
name = "Soundscape VIVO";
break;
default:
name = "unknown Soundscape";
break;
}

printk(KERN_INFO "sscape: %s card detected at 0x%x, using IRQ %d, DMA %d\n",
name, sscape->io_base, irq[dev], dma[dev]);

/*
* Check that the user didn't pass us garbage data ...
*/
irq_cfg = get_irq_config(sscape->type, irq[dev]);
if (irq_cfg == INVALID_IRQ) {
snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]);
return -ENXIO;
}

mpu_irq_cfg = get_irq_config(sscape->type, mpu_irq[dev]);
if (mpu_irq_cfg == INVALID_IRQ) {
printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
return -ENXIO;
}

if (sscape->type != SSCAPE_VIVO) {
/*
Expand Down Expand Up @@ -1141,8 +1191,6 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
*/
spin_lock_irqsave(&sscape->lock, flags);

activate_ad1845_unsafe(sscape->io_base);

sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x00); /* disable */
sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2e);
sscape_write_unsafe(sscape->io_base, GA_SMCFGB_REG, 0x00);
Expand All @@ -1151,12 +1199,12 @@ static int __devinit create_sscape(int dev, struct snd_card *card)
* Enable and configure the DMA channels ...
*/
sscape_write_unsafe(sscape->io_base, GA_DMACFG_REG, 0x50);
dma_cfg = (sscape->ic_type == IC_ODIE ? 0x70 : 0x40);
dma_cfg = (sscape->ic_type == IC_OPUS ? 0x40 : 0x70);
sscape_write_unsafe(sscape->io_base, GA_DMAA_REG, dma_cfg);
sscape_write_unsafe(sscape->io_base, GA_DMAB_REG, 0x20);

sscape_write_unsafe(sscape->io_base,
GA_INTCFG_REG, 0xf0 | (mpu_irq_cfg << 2) | mpu_irq_cfg);
mpu_irq_cfg |= mpu_irq_cfg << 2;
sscape_write_unsafe(sscape->io_base, GA_INTCFG_REG, 0xf0 | mpu_irq_cfg);
sscape_write_unsafe(sscape->io_base,
GA_CDCFG_REG, 0x09 | DMA_8BIT
| (dma[dev] << 4) | (irq_cfg << 1));
Expand Down

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