ALSA: sscape: add supoort for SPEA Media FX/Reveal SC-600

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>

diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig
index 51a7e37..b90fc16 100644 (file)
--- a/sound/isa/Kconfig
+++ b/sound/isa/Kconfig
@@ -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.

diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c
index 6618712..b11c35f 100644 (file)
--- a/sound/isa/sscape.c
+++ b/sound/isa/sscape.c
@@ -127,7 +127,8 @@ enum GA_REG {
 
 
 enum card_type {
-       SSCAPE,
+       MEDIA_FX,       /* Sequoia S-1000 */
+       SSCAPE,         /* Sequoia S-2000 */
        SSCAPE_PNP,
        SSCAPE_VIVO,
 };
@@ -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.
@@ -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)
@@ -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) {
@@ -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
@@ -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) {
                /*
@@ -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);
@@ -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));