4 files changed, 295 insertions, 277 deletions

diff --git a/sound/sparc/Kconfig b/sound/sparc/Kconfig
index 25a8a558ef92..09ab138646a6 100644
--- a/sound/sparc/Kconfig
+++ b/sound/sparc/Kconfig
@@ -7,6 +7,7 @@ config SND_SUN_AMD7930
         tristate "Sun AMD7930"
         depends on SBUS && SND
         select SND_PCM
+        select SND_GENERIC_DRIVER
         help
           Say Y here to include support for AMD7930 sound device on Sun.
 
@@ -17,6 +18,7 @@ config SND_SUN_CS4231
         tristate "Sun CS4231"
         depends on SND
         select SND_PCM
+        select SND_GENERIC_DRIVER
         help
           Say Y here to include support for CS4231 sound device on Sun.
 
@@ -27,6 +29,7 @@ config SND_SUN_DBRI
         tristate "Sun DBRI"
         depends on SND && SBUS
         select SND_PCM
+        select SND_GENERIC_DRIVER
         help
           Say Y here to include support for DBRI sound device on Sun.
 
diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c
index bd8a850e93ea..46d504ba7e03 100644
--- a/sound/sparc/amd7930.c
+++ b/sound/sparc/amd7930.c
@@ -967,7 +967,7 @@ static int __init snd_amd7930_create(snd_card_t *card,
         int err;
 
         *ramd = NULL;
-        amd = kcalloc(1, sizeof(*amd), GFP_KERNEL);
+        amd = kzalloc(sizeof(*amd), GFP_KERNEL);
         if (amd == NULL)
                 return -ENOMEM;
 
@@ -1088,6 +1088,9 @@ static int __init amd7930_attach(int prom_node, struct sbus_dev *sdev)
         if ((err = snd_amd7930_mixer(amd)) < 0)
                 goto out_err;
 
+        if ((err = snd_card_set_generic_dev(card)) < 0)
+                goto out_err;
+
         if ((err = snd_card_register(card)) < 0)
                 goto out_err;
 
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 36f9fe4d7bea..f4361c518e46 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -173,7 +173,7 @@ static cs4231_t *cs4231_list;
 
 #define CS4231_GLOBALIRQ        0x01    /* IRQ is active */
 
-/* definitions for codec irq status */
+/* definitions for codec irq status - CS4231_IRQ_STATUS */
 
 #define CS4231_PLAYBACK_IRQ     0x10
 #define CS4231_RECORD_IRQ       0x20
@@ -402,7 +402,7 @@ static void snd_cs4231_outm(cs4231_t *chip, unsigned char reg,
                 udelay(100);
 #ifdef CONFIG_SND_DEBUG
         if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
-                snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
+                snd_printdd("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
 #endif
         if (chip->calibrate_mute) {
                 chip->image[reg] &= mask;
@@ -425,6 +425,10 @@ static void snd_cs4231_dout(cs4231_t *chip, unsigned char reg, unsigned char val
              timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
              timeout--)
                 udelay(100);
+#ifdef CONFIG_SND_DEBUG
+        if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
+                snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
+#endif
         __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
         __cs4231_writeb(chip, value, CS4231P(chip, REG));
         mb();
@@ -440,15 +444,12 @@ static void snd_cs4231_out(cs4231_t *chip, unsigned char reg, unsigned char valu
                 udelay(100);
 #ifdef CONFIG_SND_DEBUG
         if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
-                snd_printk("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
+                snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
 #endif
         __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
         __cs4231_writeb(chip, value, CS4231P(chip, REG));
         chip->image[reg] = value;
         mb();
-#if 0
-        printk("codec out - reg 0x%x = 0x%x\n", chip->mce_bit | reg, value);
-#endif
 }
 
 static unsigned char snd_cs4231_in(cs4231_t *chip, unsigned char reg)
@@ -462,61 +463,14 @@ static unsigned char snd_cs4231_in(cs4231_t *chip, unsigned char reg)
                 udelay(100);
 #ifdef CONFIG_SND_DEBUG
         if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
-                snd_printk("in: auto calibration time out - reg = 0x%x\n", reg);
+                snd_printdd("in: auto calibration time out - reg = 0x%x\n", reg);
 #endif
         __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
         mb();
         ret = __cs4231_readb(chip, CS4231P(chip, REG));
-#if 0
-        printk("codec in - reg 0x%x = 0x%x\n", chip->mce_bit | reg, ret);
-#endif
         return ret;
 }
 
-#if 0
-
-static void snd_cs4231_debug(cs4231_t *chip)
-{
-        printk("CS4231 REGS:      INDEX = 0x%02x  ",
-               __cs4231_readb(chip, CS4231P(chip, REGSEL)));
-        printk("                 STATUS = 0x%02x\n",
-               __cs4231_readb(chip, CS4231P(chip, STATUS)));
-        printk("  0x00: left input      = 0x%02x  ", snd_cs4231_in(chip, 0x00));
-        printk("  0x10: alt 1 (CFIG 2)  = 0x%02x\n", snd_cs4231_in(chip, 0x10));
-        printk("  0x01: right input     = 0x%02x  ", snd_cs4231_in(chip, 0x01));
-        printk("  0x11: alt 2 (CFIG 3)  = 0x%02x\n", snd_cs4231_in(chip, 0x11));
-        printk("  0x02: GF1 left input  = 0x%02x  ", snd_cs4231_in(chip, 0x02));
-        printk("  0x12: left line in    = 0x%02x\n", snd_cs4231_in(chip, 0x12));
-        printk("  0x03: GF1 right input = 0x%02x  ", snd_cs4231_in(chip, 0x03));
-        printk("  0x13: right line in   = 0x%02x\n", snd_cs4231_in(chip, 0x13));
-        printk("  0x04: CD left input   = 0x%02x  ", snd_cs4231_in(chip, 0x04));
-        printk("  0x14: timer low       = 0x%02x\n", snd_cs4231_in(chip, 0x14));
-        printk("  0x05: CD right input  = 0x%02x  ", snd_cs4231_in(chip, 0x05));
-        printk("  0x15: timer high      = 0x%02x\n", snd_cs4231_in(chip, 0x15));
-        printk("  0x06: left output     = 0x%02x  ", snd_cs4231_in(chip, 0x06));
-        printk("  0x16: left MIC (PnP)  = 0x%02x\n", snd_cs4231_in(chip, 0x16));
-        printk("  0x07: right output    = 0x%02x  ", snd_cs4231_in(chip, 0x07));
-        printk("  0x17: right MIC (PnP) = 0x%02x\n", snd_cs4231_in(chip, 0x17));
-        printk("  0x08: playback format = 0x%02x  ", snd_cs4231_in(chip, 0x08));
-        printk("  0x18: IRQ status      = 0x%02x\n", snd_cs4231_in(chip, 0x18));
-        printk("  0x09: iface (CFIG 1)  = 0x%02x  ", snd_cs4231_in(chip, 0x09));
-        printk("  0x19: left line out   = 0x%02x\n", snd_cs4231_in(chip, 0x19));
-        printk("  0x0a: pin control     = 0x%02x  ", snd_cs4231_in(chip, 0x0a));
-        printk("  0x1a: mono control    = 0x%02x\n", snd_cs4231_in(chip, 0x1a));
-        printk("  0x0b: init & status   = 0x%02x  ", snd_cs4231_in(chip, 0x0b));
-        printk("  0x1b: right line out  = 0x%02x\n", snd_cs4231_in(chip, 0x1b));
-        printk("  0x0c: revision & mode = 0x%02x  ", snd_cs4231_in(chip, 0x0c));
-        printk("  0x1c: record format   = 0x%02x\n", snd_cs4231_in(chip, 0x1c));
-        printk("  0x0d: loopback        = 0x%02x  ", snd_cs4231_in(chip, 0x0d));
-        printk("  0x1d: var freq (PnP)  = 0x%02x\n", snd_cs4231_in(chip, 0x1d));
-        printk("  0x0e: ply upr count   = 0x%02x  ", snd_cs4231_in(chip, 0x0e));
-        printk("  0x1e: rec upr count   = 0x%02x\n", snd_cs4231_in(chip, 0x1e));
-        printk("  0x0f: ply lwr count   = 0x%02x  ", snd_cs4231_in(chip, 0x0f));
-        printk("  0x1f: rec lwr count   = 0x%02x\n", snd_cs4231_in(chip, 0x1f));
-}
-
-#endif
-
 /*
  *  CS4231 detection / MCE routines
  */
@@ -528,11 +482,12 @@ static void snd_cs4231_busy_wait(cs4231_t *chip)
         /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */
         for (timeout = 5; timeout > 0; timeout--)
                 __cs4231_readb(chip, CS4231P(chip, REGSEL));
+
         /* end of cleanup sequence */
-        for (timeout = 250;
+        for (timeout = 500;
              timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
              timeout--)
-                udelay(100);
+                udelay(1000);
 }
 
 static void snd_cs4231_mce_up(cs4231_t *chip)
@@ -545,12 +500,12 @@ static void snd_cs4231_mce_up(cs4231_t *chip)
                 udelay(100);
 #ifdef CONFIG_SND_DEBUG
         if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
-                snd_printk("mce_up - auto calibration time out (0)\n");
+                snd_printdd("mce_up - auto calibration time out (0)\n");
 #endif
         chip->mce_bit |= CS4231_MCE;
         timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL));
         if (timeout == 0x80)
-                snd_printk("mce_up [%p]: serious init problem - codec still busy\n", chip->port);
+                snd_printdd("mce_up [%p]: serious init problem - codec still busy\n", chip->port);
         if (!(timeout & CS4231_MCE))
                 __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
         spin_unlock_irqrestore(&chip->lock, flags);
@@ -563,18 +518,15 @@ static void snd_cs4231_mce_down(cs4231_t *chip)
 
         spin_lock_irqsave(&chip->lock, flags);
         snd_cs4231_busy_wait(chip);
-#if 0
-        printk("(1) timeout = %i\n", timeout);
-#endif
 #ifdef CONFIG_SND_DEBUG
         if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
-                snd_printk("mce_down [%p] - auto calibration time out (0)\n", CS4231P(chip, REGSEL));
+                snd_printdd("mce_down [%p] - auto calibration time out (0)\n", CS4231P(chip, REGSEL));
 #endif
         chip->mce_bit &= ~CS4231_MCE;
         timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL));
         __cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
         if (timeout == 0x80)
-                snd_printk("mce_down [%p]: serious init problem - codec still busy\n", chip->port);
+                snd_printdd("mce_down [%p]: serious init problem - codec still busy\n", chip->port);
         if ((timeout & CS4231_MCE) == 0) {
                 spin_unlock_irqrestore(&chip->lock, flags);
                 return;
@@ -590,9 +542,7 @@ static void snd_cs4231_mce_down(cs4231_t *chip)
                 spin_unlock_irqrestore(&chip->lock, flags);
                 return;
         }
-#if 0
-        printk("(2) timeout = %i, jiffies = %li\n", timeout, jiffies);
-#endif
+
         /* in 10ms increments, check condition, up to 250ms */
         timeout = 25;
         while (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) {
@@ -604,9 +554,7 @@ static void snd_cs4231_mce_down(cs4231_t *chip)
                 msleep(10);
                 spin_lock_irqsave(&chip->lock, flags);
         }
-#if 0
-        printk("(3) jiffies = %li\n", jiffies);
-#endif
+
         /* in 10ms increments, check condition, up to 100ms */
         timeout = 10;
         while (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) {
@@ -619,28 +567,7 @@ static void snd_cs4231_mce_down(cs4231_t *chip)
                 spin_lock_irqsave(&chip->lock, flags);
         }
         spin_unlock_irqrestore(&chip->lock, flags);
-#if 0
-        printk("(4) jiffies = %li\n", jiffies);
-        snd_printk("mce_down - exit = 0x%x\n", __cs4231_readb(chip, CS4231P(chip, REGSEL)));
-#endif
-}
-
-#if 0 /* Unused for now... */
-static unsigned int snd_cs4231_get_count(unsigned char format, unsigned int size)
-{
-        switch (format & 0xe0) {
-        case CS4231_LINEAR_16:
-        case CS4231_LINEAR_16_BIG:
-                size >>= 1;
-                break;
-        case CS4231_ADPCM_16:
-                return size >> 2;
-        }
-        if (format & CS4231_STEREO)
-                size >>= 1;
-        return size;
 }
-#endif
 
 #ifdef EBUS_SUPPORT
 static void snd_cs4231_ebus_advance_dma(struct ebus_dma_info *p, snd_pcm_substream_t *substream, unsigned int *periods_sent)
@@ -648,25 +575,50 @@ static void snd_cs4231_ebus_advance_dma(struct ebus_dma_info *p, snd_pcm_substre
         snd_pcm_runtime_t *runtime = substream->runtime;
 
         while (1) {
-                unsigned int dma_size = snd_pcm_lib_period_bytes(substream);
-                unsigned int offset = dma_size * (*periods_sent);
+                unsigned int period_size = snd_pcm_lib_period_bytes(substream);
+                unsigned int offset = period_size * (*periods_sent);
 
-                if (dma_size >= (1 << 24))
+                if (period_size >= (1 << 24))
                         BUG();
 
-                if (ebus_dma_request(p, runtime->dma_addr + offset, dma_size))
+                if (ebus_dma_request(p, runtime->dma_addr + offset, period_size))
                         return;
-#if 0
-                printk("ebus_advance: Sent period %u (size[%x] offset[%x])\n",
-                       (*periods_sent), dma_size, offset);
-#endif
                 (*periods_sent) = ((*periods_sent) + 1) % runtime->periods;
         }
 }
 #endif
 
-static void cs4231_dma_trigger(cs4231_t *chip, unsigned int what, int on)
+#ifdef SBUS_SUPPORT
+static void snd_cs4231_sbus_advance_dma(snd_pcm_substream_t *substream, unsigned int *periods_sent)
 {
+        cs4231_t *chip = snd_pcm_substream_chip(substream);
+        snd_pcm_runtime_t *runtime = substream->runtime;
+
+        unsigned int period_size = snd_pcm_lib_period_bytes(substream);
+        unsigned int offset = period_size * (*periods_sent % runtime->periods);
+
+        if (runtime->period_size > 0xffff + 1)
+                BUG();
+
+        switch (substream->stream) {
+        case SNDRV_PCM_STREAM_PLAYBACK:
+                sbus_writel(runtime->dma_addr + offset, chip->port + APCPNVA);
+                sbus_writel(period_size, chip->port + APCPNC);
+                break;
+        case SNDRV_PCM_STREAM_CAPTURE:
+                sbus_writel(runtime->dma_addr + offset, chip->port + APCCNVA);
+                sbus_writel(period_size, chip->port + APCCNC);
+                break;
+        }
+
+        (*periods_sent) = (*periods_sent + 1) % runtime->periods;
+}
+#endif
+
+static void cs4231_dma_trigger(snd_pcm_substream_t *substream, unsigned int what, int on)
+{
+        cs4231_t *chip = snd_pcm_substream_chip(substream);
+
 #ifdef EBUS_SUPPORT
         if (chip->flags & CS4231_FLAG_EBUS) {
                 if (what & CS4231_PLAYBACK_ENABLE) {
@@ -694,6 +646,60 @@ static void cs4231_dma_trigger(cs4231_t *chip, unsigned int what, int on)
         } else {
 #endif
 #ifdef SBUS_SUPPORT
+        u32 csr = sbus_readl(chip->port + APCCSR);
+        /* I don't know why, but on sbus the period counter must
+         * only start counting after the first period is sent.
+         * Therefore this dummy thing.
+         */
+        unsigned int dummy = 0;
+
+        switch (what) {
+        case CS4231_PLAYBACK_ENABLE:
+                if (on) {
+                        csr &= ~APC_XINT_PLAY;
+                        sbus_writel(csr, chip->port + APCCSR);
+
+                        csr &= ~APC_PPAUSE;
+                        sbus_writel(csr, chip->port + APCCSR);
+
+                        snd_cs4231_sbus_advance_dma(substream, &dummy);
+
+                        csr |=  APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
+                                APC_XINT_PLAY | APC_XINT_EMPT | APC_XINT_GENL |
+                                APC_XINT_PENA | APC_PDMA_READY;
+                        sbus_writel(csr, chip->port + APCCSR);
+                } else {
+                        csr |= APC_PPAUSE;
+                        sbus_writel(csr, chip->port + APCCSR);
+
+                        csr &= ~APC_PDMA_READY;
+                        sbus_writel(csr, chip->port + APCCSR);
+                }
+                break;
+        case CS4231_RECORD_ENABLE:
+                if (on) {
+                        csr &= ~APC_XINT_CAPT;
+                        sbus_writel(csr, chip->port + APCCSR);
+
+                        csr &= ~APC_CPAUSE;
+                        sbus_writel(csr, chip->port + APCCSR);
+
+                        snd_cs4231_sbus_advance_dma(substream, &dummy);
+
+                        csr |=  APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
+                                APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL |
+                                APC_CDMA_READY;
+
+                        sbus_writel(csr, chip->port + APCCSR);
+                } else {
+                        csr |= APC_CPAUSE;
+                        sbus_writel(csr, chip->port + APCCSR);
+
+                        csr &= ~APC_CDMA_READY;
+                        sbus_writel(csr, chip->port + APCCSR);
+                }
+                break;
+        }
 #endif
 #ifdef EBUS_SUPPORT
         }
@@ -725,25 +731,12 @@ static int snd_cs4231_trigger(snd_pcm_substream_t *substream, int cmd)
                         }
                 }
 
-#if 0
-                printk("TRIGGER: what[%x] on(%d)\n",
-                       what, (cmd == SNDRV_PCM_TRIGGER_START));
-#endif
-
                 spin_lock_irqsave(&chip->lock, flags);
                 if (cmd == SNDRV_PCM_TRIGGER_START) {
-                        cs4231_dma_trigger(chip, what, 1);
+                        cs4231_dma_trigger(substream, what, 1);
                         chip->image[CS4231_IFACE_CTRL] |= what;
-                        if (what & CS4231_PLAYBACK_ENABLE) {
-                                snd_cs4231_out(chip, CS4231_PLY_LWR_CNT, 0xff);
-                                snd_cs4231_out(chip, CS4231_PLY_UPR_CNT, 0xff);
-                        }
-                        if (what & CS4231_RECORD_ENABLE) {
-                                snd_cs4231_out(chip, CS4231_REC_LWR_CNT, 0xff);
-                                snd_cs4231_out(chip, CS4231_REC_UPR_CNT, 0xff);
-                        }
                 } else {
-                        cs4231_dma_trigger(chip, what, 0);
+                        cs4231_dma_trigger(substream, what, 0);
                         chip->image[CS4231_IFACE_CTRL] &= ~what;
                 }
                 snd_cs4231_out(chip, CS4231_IFACE_CTRL,
@@ -755,9 +748,7 @@ static int snd_cs4231_trigger(snd_pcm_substream_t *substream, int cmd)
                 result = -EINVAL;
                 break;
         }
-#if 0
-        snd_cs4231_debug(chip);
-#endif
+
         return result;
 }
 
@@ -790,9 +781,6 @@ static unsigned char snd_cs4231_get_format(cs4231_t *chip, int format, int chann
         }
         if (channels > 1)
                 rformat |= CS4231_STEREO;
-#if 0
-        snd_printk("get_format: 0x%x (mode=0x%x)\n", format, mode);
-#endif
         return rformat;
 }
 
@@ -944,7 +932,7 @@ static void snd_cs4231_init(cs4231_t *chip)
         snd_cs4231_mce_down(chip);
 
 #ifdef SNDRV_DEBUG_MCE
-        snd_printk("init: (1)\n");
+        snd_printdd("init: (1)\n");
 #endif
         snd_cs4231_mce_up(chip);
         spin_lock_irqsave(&chip->lock, flags);
@@ -957,7 +945,7 @@ static void snd_cs4231_init(cs4231_t *chip)
         snd_cs4231_mce_down(chip);
 
 #ifdef SNDRV_DEBUG_MCE
-        snd_printk("init: (2)\n");
+        snd_printdd("init: (2)\n");
 #endif
 
         snd_cs4231_mce_up(chip);
@@ -967,7 +955,7 @@ static void snd_cs4231_init(cs4231_t *chip)
         snd_cs4231_mce_down(chip);
 
 #ifdef SNDRV_DEBUG_MCE
-        snd_printk("init: (3) - afei = 0x%x\n", chip->image[CS4231_ALT_FEATURE_1]);
+        snd_printdd("init: (3) - afei = 0x%x\n", chip->image[CS4231_ALT_FEATURE_1]);
 #endif
 
         spin_lock_irqsave(&chip->lock, flags);
@@ -981,7 +969,7 @@ static void snd_cs4231_init(cs4231_t *chip)
         snd_cs4231_mce_down(chip);
 
 #ifdef SNDRV_DEBUG_MCE
-        snd_printk("init: (4)\n");
+        snd_printdd("init: (4)\n");
 #endif
 
         snd_cs4231_mce_up(chip);
@@ -991,7 +979,7 @@ static void snd_cs4231_init(cs4231_t *chip)
         snd_cs4231_mce_down(chip);
 
 #ifdef SNDRV_DEBUG_MCE
-        snd_printk("init: (5)\n");
+        snd_printdd("init: (5)\n");
 #endif
 }
 
@@ -1022,6 +1010,7 @@ static int snd_cs4231_open(cs4231_t *chip, unsigned int mode)
                        CS4231_RECORD_IRQ |
                        CS4231_TIMER_IRQ);
         snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0);
+
         spin_unlock_irqrestore(&chip->lock, flags);
 
         chip->mode = mode;
@@ -1136,11 +1125,21 @@ static int snd_cs4231_playback_hw_free(snd_pcm_substream_t *substream)
 static int snd_cs4231_playback_prepare(snd_pcm_substream_t *substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
+        snd_pcm_runtime_t *runtime = substream->runtime;
         unsigned long flags;
 
         spin_lock_irqsave(&chip->lock, flags);
+
         chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
                                             CS4231_PLAYBACK_PIO);
+
+        if (runtime->period_size > 0xffff + 1)
+                BUG();
+
+        snd_cs4231_out(chip, CS4231_PLY_LWR_CNT, (runtime->period_size - 1) & 0x00ff);
+        snd_cs4231_out(chip, CS4231_PLY_UPR_CNT, (runtime->period_size - 1) >> 8 & 0x00ff);
+        chip->p_periods_sent = 0;
+
         spin_unlock_irqrestore(&chip->lock, flags);
 
         return 0;
@@ -1172,12 +1171,16 @@ static int snd_cs4231_capture_hw_free(snd_pcm_substream_t *substream)
 static int snd_cs4231_capture_prepare(snd_pcm_substream_t *substream)
 {
         cs4231_t *chip = snd_pcm_substream_chip(substream);
+        snd_pcm_runtime_t *runtime = substream->runtime;
         unsigned long flags;
 
         spin_lock_irqsave(&chip->lock, flags);
         chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE |
                                             CS4231_RECORD_PIO);
 
+        snd_cs4231_out(chip, CS4231_REC_LWR_CNT, (runtime->period_size - 1) & 0x00ff);
+        snd_cs4231_out(chip, CS4231_REC_LWR_CNT, (runtime->period_size - 1) >> 8 & 0x00ff);
+
         spin_unlock_irqrestore(&chip->lock, flags);
 
         return 0;
@@ -1196,53 +1199,61 @@ static void snd_cs4231_overrange(cs4231_t *chip)
                 chip->capture_substream->runtime->overrange++;
 }
 
-static void snd_cs4231_generic_interrupt(cs4231_t *chip)
+static irqreturn_t snd_cs4231_generic_interrupt(cs4231_t *chip)
 {
         unsigned long flags;
         unsigned char status;
 
+        /*This is IRQ is not raised by the cs4231*/
+        if (!(__cs4231_readb(chip, CS4231P(chip, STATUS)) & CS4231_GLOBALIRQ))
+                return IRQ_NONE;
+
         status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
-        if (!status)
-                return;
 
         if (status & CS4231_TIMER_IRQ) {
                 if (chip->timer)
                         snd_timer_interrupt(chip->timer, chip->timer->sticks);
         }               
-        if (status & CS4231_PLAYBACK_IRQ)
-                snd_pcm_period_elapsed(chip->playback_substream);
-        if (status & CS4231_RECORD_IRQ) {
+
+        if (status & CS4231_RECORD_IRQ)
                 snd_cs4231_overrange(chip);
-                snd_pcm_period_elapsed(chip->capture_substream);
-        }
 
         /* ACK the CS4231 interrupt. */
         spin_lock_irqsave(&chip->lock, flags);
         snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0);
         spin_unlock_irqrestore(&chip->lock, flags);
+
+        return 0;
 }
 
 #ifdef SBUS_SUPPORT
 static irqreturn_t snd_cs4231_sbus_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
         cs4231_t *chip = dev_id;
-        u32 csr;
-
-        csr = sbus_readl(chip->port + APCCSR);
-        if (!(csr & (APC_INT_PENDING |
-                     APC_PLAY_INT |
-                     APC_CAPT_INT |
-                     APC_GENL_INT |
-                     APC_XINT_PEMP |
-                     APC_XINT_CEMP)))
-                return IRQ_NONE;
 
         /* ACK the APC interrupt. */
+        u32 csr = sbus_readl(chip->port + APCCSR);
+
         sbus_writel(csr, chip->port + APCCSR);
 
-        snd_cs4231_generic_interrupt(chip);
+        if ((chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE) &&
+            (csr & APC_PLAY_INT) &&
+            (csr & APC_XINT_PNVA) &&
+            !(csr & APC_XINT_EMPT)) {
+                snd_cs4231_sbus_advance_dma(chip->playback_substream,
+                                            &chip->p_periods_sent);
+                snd_pcm_period_elapsed(chip->playback_substream);
+        }
 
-        return IRQ_HANDLED;
+        if ((chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) &&
+            (csr & APC_CAPT_INT) &&
+            (csr & APC_XINT_CNVA)) {
+                snd_cs4231_sbus_advance_dma(chip->capture_substream,
+                                            &chip->c_periods_sent);
+                snd_pcm_period_elapsed(chip->capture_substream);
+        }
+
+        return snd_cs4231_generic_interrupt(chip);
 }
 #endif
 
@@ -1290,7 +1301,8 @@ static snd_pcm_uframes_t snd_cs4231_playback_pointer(snd_pcm_substream_t *substr
 #ifdef EBUS_SUPPORT
         }
 #endif
-        ptr += (period_bytes - residue);
+        ptr += period_bytes - residue;
+
         return bytes_to_frames(substream->runtime, ptr);
 }
 
@@ -1314,7 +1326,7 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(snd_pcm_substream_t * substr
 #ifdef EBUS_SUPPORT
         }
 #endif
-        ptr += (period_bytes - residue);
+        ptr += period_bytes - residue;
         return bytes_to_frames(substream->runtime, ptr);
 }
 
@@ -1328,9 +1340,6 @@ static int snd_cs4231_probe(cs4231_t *chip)
         int i, id, vers;
         unsigned char *ptr;
 
-#if 0
-        snd_cs4231_debug(chip);
-#endif
         id = vers = 0;
         for (i = 0; i < 50; i++) {
                 mb();
@@ -1915,6 +1924,9 @@ static int cs4231_attach_finish(snd_card_t *card, cs4231_t *chip)
         if ((err = snd_cs4231_timer(chip)) < 0)
                 goto out_err;
 
+        if ((err = snd_card_set_generic_dev(card)) < 0)
+                goto out_err;
+
         if ((err = snd_card_register(card)) < 0)
                 goto out_err;
 
@@ -1966,7 +1978,7 @@ static int __init snd_cs4231_sbus_create(snd_card_t *card,
         int err;
 
         *rchip = NULL;
-        chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
+        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
         if (chip == NULL)
                 return -ENOMEM;
 
@@ -1982,13 +1994,13 @@ static int __init snd_cs4231_sbus_create(snd_card_t *card,
         chip->port = sbus_ioremap(&sdev->resource[0], 0,
                                   chip->regs_size, "cs4231");
         if (!chip->port) {
-                snd_printk("cs4231-%d: Unable to map chip registers.\n", dev);
+                snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
                 return -EIO;
         }
 
         if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt,
                         SA_SHIRQ, "cs4231", chip)) {
-                snd_printk("cs4231-%d: Unable to grab SBUS IRQ %s\n",
+                snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %s\n",
                            dev,
                            __irq_itoa(sdev->irqs[0]));
                 snd_cs4231_sbus_free(chip);
@@ -2080,7 +2092,7 @@ static int __init snd_cs4231_ebus_create(snd_card_t *card,
         int err;
 
         *rchip = NULL;
-        chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
+        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
         if (chip == NULL)
                 return -ENOMEM;
 
@@ -2110,29 +2122,29 @@ static int __init snd_cs4231_ebus_create(snd_card_t *card,
         chip->eb2c.regs = ioremap(edev->resource[2].start, 0x10);
         if (!chip->port || !chip->eb2p.regs || !chip->eb2c.regs) {
                 snd_cs4231_ebus_free(chip);
-                snd_printk("cs4231-%d: Unable to map chip registers.\n", dev);
+                snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
                 return -EIO;
         }
 
         if (ebus_dma_register(&chip->eb2c)) {
                 snd_cs4231_ebus_free(chip);
-                snd_printk("cs4231-%d: Unable to register EBUS capture DMA\n", dev);
+                snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n", dev);
                 return -EBUSY;
         }
         if (ebus_dma_irq_enable(&chip->eb2c, 1)) {
                 snd_cs4231_ebus_free(chip);
-                snd_printk("cs4231-%d: Unable to enable EBUS capture IRQ\n", dev);
+                snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n", dev);
                 return -EBUSY;
         }
 
         if (ebus_dma_register(&chip->eb2p)) {
                 snd_cs4231_ebus_free(chip);
-                snd_printk("cs4231-%d: Unable to register EBUS play DMA\n", dev);
+                snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n", dev);
                 return -EBUSY;
         }
         if (ebus_dma_irq_enable(&chip->eb2p, 1)) {
                 snd_cs4231_ebus_free(chip);
-                snd_printk("cs4231-%d: Unable to enable EBUS play IRQ\n", dev);
+                snd_printdd("cs4231-%d: Unable to enable EBUS play IRQ\n", dev);
                 return -EBUSY;
         }
 
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 941c7b1e7ebb..b5c4c15ae7f0 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -1,6 +1,6 @@
 /*
  * Driver for DBRI sound chip found on Sparcs.
- * Copyright (C) 2004 Martin Habets (mhabets@users.sourceforge.net)
+ * Copyright (C) 2004, 2005 Martin Habets (mhabets@users.sourceforge.net)
  *
  * Based entirely upon drivers/sbus/audio/dbri.c which is:
  * Copyright (C) 1997 Rudolf Koenig (rfkoenig@immd4.informatik.uni-erlangen.de)
@@ -43,6 +43,12 @@
  * audio devices. But the SUN HW group decided against it, at least on my
  * LX the speakerbox connector has at least 1 pin missing and 1 wrongly
  * connected.
+ *
+ * I've tried to stick to the following function naming conventions:
+ * snd_*        ALSA stuff
+ * cs4215_*     CS4215 codec specfic stuff
+ * dbri_*       DBRI high-level stuff
+ * other        DBRI low-level stuff
  */
 
 #include <sound/driver.h>
@@ -87,7 +93,7 @@ MODULE_PARM_DESC(enable, "Enable Sun DBRI soundcard.");
 #define D_DESC  (1<<5)
 
 static int dbri_debug = 0;
-module_param(dbri_debug, int, 0444);
+module_param(dbri_debug, int, 0644);
 MODULE_PARM_DESC(dbri_debug, "Debug value for Sun DBRI soundcard.");
 
 #ifdef DBRI_DEBUG
@@ -320,7 +326,8 @@ typedef struct snd_dbri {
         void __iomem *regs;     /* dbri HW regs */
         int dbri_version;       /* 'e' and up is OK */
         int dbri_irqp;          /* intr queue pointer */
-        int wait_seen;
+        int wait_send;          /* sequence of command buffers send */
+        int wait_ackd;          /* sequence of command buffers acknowledged */
 
         struct dbri_pipe pipes[DBRI_NO_PIPES];  /* DBRI's 32 data pipes */
         struct dbri_desc descs[DBRI_NO_DESCS];
@@ -625,16 +632,13 @@ static __u32 reverse_bytes(__u32 b, int len)
 
 Commands are sent to the DBRI by building a list of them in memory,
 then writing the address of the first list item to DBRI register 8.
-The list is terminated with a WAIT command, which can generate a
-CPU interrupt if required.
+The list is terminated with a WAIT command, which generates a
+CPU interrupt to signal completion.
 
 Since the DBRI can run in parallel with the CPU, several means of
-synchronization present themselves.  The original scheme (Rudolf's)
-was to set a flag when we "cmdlock"ed the DBRI, clear the flag when
-an interrupt signaled completion, and wait on a wait_queue if a routine
-attempted to cmdlock while the flag was set.  The problems arose when
-we tried to cmdlock from inside an interrupt handler, which might
-cause scheduling in an interrupt (if we waited), etc, etc
+synchronization present themselves.  The method implemented here is close
+to the original scheme (Rudolf's), and uses 2 counters (wait_send and
+wait_ackd) to synchronize the command buffer between the CPU and the DBRI.
 
 A more sophisticated scheme might involve a circular command buffer
 or an array of command buffers.  A routine could fill one with
@@ -642,70 +646,75 @@ commands and link it onto a list.  When a interrupt signaled
 completion of the current command buffer, look on the list for
 the next one.
 
-I've decided to implement something much simpler - after each command,
-the CPU waits for the DBRI to finish the command by polling the P bit
-in DBRI register 0.  I've tried to implement this in such a way
-that might make implementing a more sophisticated scheme easier.
-
 Every time a routine wants to write commands to the DBRI, it must
 first call dbri_cmdlock() and get an initial pointer into dbri->dma->cmd
-in return.  After the commands have been writen, dbri_cmdsend() is
-called with the final pointer value.
+in return. dbri_cmdlock() will block if the previous commands have not
+been completed yet. After this the commands can be written to the buffer,
+and dbri_cmdsend() is called with the final pointer value to send them
+to the DBRI.
 
 */
 
+static void dbri_process_interrupt_buffer(snd_dbri_t * dbri);
+
 enum dbri_lock_t { NoGetLock, GetLock };
+#define MAXLOOPS 10
 
 static volatile s32 *dbri_cmdlock(snd_dbri_t * dbri, enum dbri_lock_t get)
 {
+        int maxloops = MAXLOOPS;
+
 #ifndef SMP
         if ((get == GetLock) && spin_is_locked(&dbri->lock)) {
                 printk(KERN_ERR "DBRI: cmdlock called while in spinlock.");
         }
 #endif
 
+        /* Delay if previous commands are still being processed */
+        while ((--maxloops) > 0 && (dbri->wait_send != dbri->wait_ackd)) {
+                msleep_interruptible(1);
+                /* If dbri_cmdlock() got called from inside the
+                 * interrupt handler, this will do the processing.
+                 */
+                dbri_process_interrupt_buffer(dbri);
+        }
+        if (maxloops == 0) {
+                printk(KERN_ERR "DBRI: Chip never completed command buffer %d\n",
+                        dbri->wait_send);
+        } else {
+                dprintk(D_CMD, "Chip completed command buffer (%d)\n",
+                        MAXLOOPS - maxloops - 1);
+        }
+
         /*if (get == GetLock) spin_lock(&dbri->lock); */
         return &dbri->dma->cmd[0];
 }
 
-static void dbri_process_interrupt_buffer(snd_dbri_t *);
-
 static void dbri_cmdsend(snd_dbri_t * dbri, volatile s32 * cmd)
 {
-        int MAXLOOPS = 1000000;
-        int maxloops = MAXLOOPS;
         volatile s32 *ptr;
+        u32     reg;
 
         for (ptr = &dbri->dma->cmd[0]; ptr < cmd; ptr++) {
                 dprintk(D_CMD, "cmd: %lx:%08x\n", (unsigned long)ptr, *ptr);
         }
 
         if ((cmd - &dbri->dma->cmd[0]) >= DBRI_NO_CMDS - 1) {
-                printk("DBRI: Command buffer overflow! (bug in driver)\n");
+                printk(KERN_ERR "DBRI: Command buffer overflow! (bug in driver)\n");
                 /* Ignore the last part. */
                 cmd = &dbri->dma->cmd[DBRI_NO_CMDS - 3];
         }
 
+        dbri->wait_send++;
+        dbri->wait_send &= 0xffff;      /* restrict it to a 16 bit counter. */
         *(cmd++) = DBRI_CMD(D_PAUSE, 0, 0);
-        *(cmd++) = DBRI_CMD(D_WAIT, 1, 0);
-        dbri->wait_seen = 0;
+        *(cmd++) = DBRI_CMD(D_WAIT, 1, dbri->wait_send);
+
+        /* Set command pointer and signal it is valid. */
         sbus_writel(dbri->dma_dvma, dbri->regs + REG8);
-        while ((--maxloops) > 0 && (sbus_readl(dbri->regs + REG0) & D_P))
-                barrier();
-        if (maxloops == 0) {
-                printk(KERN_ERR "DBRI: Chip never completed command buffer\n");
-                dprintk(D_CMD, "DBRI: Chip never completed command buffer\n");
-        } else {
-                while ((--maxloops) > 0 && (!dbri->wait_seen))
-                        dbri_process_interrupt_buffer(dbri);
-                if (maxloops == 0) {
-                        printk(KERN_ERR "DBRI: Chip never acked WAIT\n");
-                        dprintk(D_CMD, "DBRI: Chip never acked WAIT\n");
-                } else {
-                        dprintk(D_CMD, "Chip completed command "
-                                "buffer (%d)\n", MAXLOOPS - maxloops);
-                }
-        }
+        reg = sbus_readl(dbri->regs + REG0);
+        reg |= D_P;
+        sbus_writel(reg, dbri->regs + REG0);
 
         /*spin_unlock(&dbri->lock); */
 }
@@ -757,10 +766,11 @@ static void dbri_initialize(snd_dbri_t * dbri)
         for (n = 0; n < DBRI_NO_PIPES; n++)
                 dbri->pipes[n].desc = dbri->pipes[n].first_desc = -1;
 
-        /* We should query the openprom to see what burst sizes this
-         * SBus supports.  For now, just disable all SBus bursts */
+        /* A brute approach - DBRI falls back to working burst size by itself
+         * On SS20 D_S does not work, so do not try so high. */
         tmp = sbus_readl(dbri->regs + REG0);
-        tmp &= ~(D_G | D_S | D_E);
+        tmp |= D_G | D_E;
+        tmp &= ~D_S;
         sbus_writel(tmp, dbri->regs + REG0);
 
         /*
@@ -805,13 +815,13 @@ static void reset_pipe(snd_dbri_t * dbri, int pipe)
         volatile int *cmd;
 
         if (pipe < 0 || pipe > 31) {
-                printk("DBRI: reset_pipe called with illegal pipe number\n");
+                printk(KERN_ERR "DBRI: reset_pipe called with illegal pipe number\n");
                 return;
         }
 
         sdp = dbri->pipes[pipe].sdp;
         if (sdp == 0) {
-                printk("DBRI: reset_pipe called on uninitialized pipe\n");
+                printk(KERN_ERR "DBRI: reset_pipe called on uninitialized pipe\n");
                 return;
         }
 
@@ -834,12 +844,12 @@ static void reset_pipe(snd_dbri_t * dbri, int pipe)
 static void setup_pipe(snd_dbri_t * dbri, int pipe, int sdp)
 {
         if (pipe < 0 || pipe > 31) {
-                printk("DBRI: setup_pipe called with illegal pipe number\n");
+                printk(KERN_ERR "DBRI: setup_pipe called with illegal pipe number\n");
                 return;
         }
 
         if ((sdp & 0xf800) != sdp) {
-                printk("DBRI: setup_pipe called with strange SDP value\n");
+                printk(KERN_ERR "DBRI: setup_pipe called with strange SDP value\n");
                 /* sdp &= 0xf800; */
         }
 
@@ -872,13 +882,13 @@ static void link_time_slot(snd_dbri_t * dbri, int pipe,
         int nextpipe;
 
         if (pipe < 0 || pipe > 31 || basepipe < 0 || basepipe > 31) {
-                printk
-                    ("DBRI: link_time_slot called with illegal pipe number\n");
+                printk(KERN_ERR 
+                    "DBRI: link_time_slot called with illegal pipe number\n");
                 return;
         }
 
         if (dbri->pipes[pipe].sdp == 0 || dbri->pipes[basepipe].sdp == 0) {
-                printk("DBRI: link_time_slot called on uninitialized pipe\n");
+                printk(KERN_ERR "DBRI: link_time_slot called on uninitialized pipe\n");
                 return;
         }
 
@@ -960,8 +970,8 @@ static void unlink_time_slot(snd_dbri_t * dbri, int pipe,
         int val;
 
         if (pipe < 0 || pipe > 31 || prevpipe < 0 || prevpipe > 31) {
-                printk
-                    ("DBRI: unlink_time_slot called with illegal pipe number\n");
+                printk(KERN_ERR 
+                    "DBRI: unlink_time_slot called with illegal pipe number\n");
                 return;
         }
 
@@ -1001,22 +1011,22 @@ static void xmit_fixed(snd_dbri_t * dbri, int pipe, unsigned int data)
         volatile s32 *cmd;
 
         if (pipe < 16 || pipe > 31) {
-                printk("DBRI: xmit_fixed: Illegal pipe number\n");
+                printk(KERN_ERR "DBRI: xmit_fixed: Illegal pipe number\n");
                 return;
         }
 
         if (D_SDP_MODE(dbri->pipes[pipe].sdp) == 0) {
-                printk("DBRI: xmit_fixed: Uninitialized pipe %d\n", pipe);
+                printk(KERN_ERR "DBRI: xmit_fixed: Uninitialized pipe %d\n", pipe);
                 return;
         }
 
         if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {
-                printk("DBRI: xmit_fixed: Non-fixed pipe %d\n", pipe);
+                printk(KERN_ERR "DBRI: xmit_fixed: Non-fixed pipe %d\n", pipe);
                 return;
         }
 
         if (!(dbri->pipes[pipe].sdp & D_SDP_TO_SER)) {
-                printk("DBRI: xmit_fixed: Called on receive pipe %d\n", pipe);
+                printk(KERN_ERR "DBRI: xmit_fixed: Called on receive pipe %d\n", pipe);
                 return;
         }
 
@@ -1036,17 +1046,17 @@ static void xmit_fixed(snd_dbri_t * dbri, int pipe, unsigned int data)
 static void recv_fixed(snd_dbri_t * dbri, int pipe, volatile __u32 * ptr)
 {
         if (pipe < 16 || pipe > 31) {
-                printk("DBRI: recv_fixed called with illegal pipe number\n");
+                printk(KERN_ERR "DBRI: recv_fixed called with illegal pipe number\n");
                 return;
         }
 
         if (D_SDP_MODE(dbri->pipes[pipe].sdp) != D_SDP_FIXED) {
-                printk("DBRI: recv_fixed called on non-fixed pipe %d\n", pipe);
+                printk(KERN_ERR "DBRI: recv_fixed called on non-fixed pipe %d\n", pipe);
                 return;
         }
 
         if (dbri->pipes[pipe].sdp & D_SDP_TO_SER) {
-                printk("DBRI: recv_fixed called on transmit pipe %d\n", pipe);
+                printk(KERN_ERR "DBRI: recv_fixed called on transmit pipe %d\n", pipe);
                 return;
         }
 
@@ -1075,12 +1085,12 @@ static int setup_descs(snd_dbri_t * dbri, int streamno, unsigned int period)
         int last_desc = -1;
 
         if (info->pipe < 0 || info->pipe > 15) {
-                printk("DBRI: setup_descs: Illegal pipe number\n");
+                printk(KERN_ERR "DBRI: setup_descs: Illegal pipe number\n");
                 return -2;
         }
 
         if (dbri->pipes[info->pipe].sdp == 0) {
-                printk("DBRI: setup_descs: Uninitialized pipe %d\n",
+                printk(KERN_ERR "DBRI: setup_descs: Uninitialized pipe %d\n",
                        info->pipe);
                 return -2;
         }
@@ -1090,20 +1100,20 @@ static int setup_descs(snd_dbri_t * dbri, int streamno, unsigned int period)
 
         if (streamno == DBRI_PLAY) {
                 if (!(dbri->pipes[info->pipe].sdp & D_SDP_TO_SER)) {
-                        printk("DBRI: setup_descs: Called on receive pipe %d\n",
+                        printk(KERN_ERR "DBRI: setup_descs: Called on receive pipe %d\n",
                                info->pipe);
                         return -2;
                 }
         } else {
                 if (dbri->pipes[info->pipe].sdp & D_SDP_TO_SER) {
-                        printk
-                            ("DBRI: setup_descs: Called on transmit pipe %d\n",
+                        printk(KERN_ERR 
+                            "DBRI: setup_descs: Called on transmit pipe %d\n",
                              info->pipe);
                         return -2;
                 }
                 /* Should be able to queue multiple buffers to receive on a pipe */
                 if (pipe_active(dbri, info->pipe)) {
-                        printk("DBRI: recv_on_pipe: Called on active pipe %d\n",
+                        printk(KERN_ERR "DBRI: recv_on_pipe: Called on active pipe %d\n",
                                info->pipe);
                         return -2;
                 }
@@ -1120,7 +1130,7 @@ static int setup_descs(snd_dbri_t * dbri, int streamno, unsigned int period)
                                 break;
                 }
                 if (desc == DBRI_NO_DESCS) {
-                        printk("DBRI: setup_descs: No descriptors\n");
+                        printk(KERN_ERR "DBRI: setup_descs: No descriptors\n");
                         return -1;
                 }
 
@@ -1165,7 +1175,7 @@ static int setup_descs(snd_dbri_t * dbri, int streamno, unsigned int period)
         }
 
         if (first_desc == -1 || last_desc == -1) {
-                printk("DBRI: setup_descs: Not enough descriptors available\n");
+                printk(KERN_ERR "DBRI: setup_descs: Not enough descriptors available\n");
                 return -1;
         }
 
@@ -1270,7 +1280,7 @@ static void reset_chi(snd_dbri_t * dbri, enum master_or_slave master_or_slave,
                 int divisor = 12288 / clockrate;
 
                 if (divisor > 255 || divisor * clockrate != 12288)
-                        printk("DBRI: illegal bits_per_frame in setup_chi\n");
+                        printk(KERN_ERR "DBRI: illegal bits_per_frame in setup_chi\n");
 
                 *(cmd++) = DBRI_CMD(D_CHI, 0, D_CHI_CHICM(divisor) | D_CHI_FD
                                     | D_CHI_BPF(bits_per_frame));
@@ -1474,7 +1484,6 @@ static int cs4215_setctrl(snd_dbri_t * dbri)
         /* Temporarily mute outputs, and wait 1/8000 sec (125 us)
          * to make sure this takes.  This avoids clicking noises.
          */
-
         cs4215_setdata(dbri, 1);
         udelay(125);
 
@@ -1530,8 +1539,8 @@ static int cs4215_setctrl(snd_dbri_t * dbri)
         tmp |= D_C;             /* Enable CHI */
         sbus_writel(tmp, dbri->regs + REG0);
 
-        for (i = 64; ((dbri->mm.status & 0xe4) != 0x20); --i) {
-                udelay(125);
+        for (i = 10; ((dbri->mm.status & 0xe4) != 0x20); --i) {
+                msleep_interruptible(1);
         }
         if (i == 0) {
                 dprintk(D_MM, "CS4215 didn't respond to CLB (0x%02x)\n",
@@ -1678,8 +1687,8 @@ buffer and calls dbri_process_one_interrupt() for each interrupt word.
 Complicated interrupts are handled by dedicated functions (which
 appear first in this file).  Any pending interrupts can be serviced by
 calling dbri_process_interrupt_buffer(), which works even if the CPU's
-interrupts are disabled.  This function is used by dbri_cmdsend()
-to make sure we're synced up with the chip after each command sequence,
+interrupts are disabled.  This function is used by dbri_cmdlock()
+to make sure we're synced up with the chip before each command sequence,
 even if we're running cli'ed.
 
 */
@@ -1765,11 +1774,13 @@ DECLARE_TASKLET(xmit_descs_task, xmit_descs, 0);
  * Called by main interrupt handler when DBRI signals transmission complete
  * on a pipe (interrupt triggered by the B bit in a transmit descriptor).
  *
- * Walks through the pipe's list of transmit buffer descriptors, releasing
- * each one's DMA buffer (if present), flagging the descriptor available,
- * and signaling its callback routine (if present), before proceeding
- * to the next one.  Stops when the first descriptor is found without
+ * Walks through the pipe's list of transmit buffer descriptors and marks
+ * them as available. Stops when the first descriptor is found without
  * TBC (Transmit Buffer Complete) set, or we've run through them all.
+ *
+ * The DMA buffers are not released, but re-used. Since the transmit buffer
+ * descriptors are not clobbered, they can be re-submitted as is. This is
+ * done by the xmit_descs() tasklet above since that could take longer.
  */
 
 static void transmission_complete_intr(snd_dbri_t * dbri, int pipe)
@@ -1885,7 +1896,11 @@ static void dbri_process_one_interrupt(snd_dbri_t * dbri, int x)
         }
 
         if (channel == D_INTR_CMD && command == D_WAIT) {
-                dbri->wait_seen++;
+                dbri->wait_ackd = val;
+                if (dbri->wait_send != val) {
+                        printk(KERN_ERR "Processing wait command %d when %d was send.\n",
+                               val, dbri->wait_send);
+                }
                 return;
         }
 
@@ -1994,8 +2009,7 @@ static irqreturn_t snd_dbri_interrupt(int irq, void *dev_id,
                  * The only one I've seen is MRR, which will be triggered
                  * if you let a transmit pipe underrun, then try to CDP it.
                  *
-                 * If these things persist, we should probably reset
-                 * and re-init the chip.
+                 * If these things persist, we reset the chip.
                  */
                 if ((++errcnt) % 10 == 0) {
                         dprintk(D_INT, "Interrupt errors exceeded.\n");
@@ -2094,7 +2108,7 @@ static int snd_dbri_hw_params(snd_pcm_substream_t * substream,
 
         if ((ret = snd_pcm_lib_malloc_pages(substream,
                                 params_buffer_bytes(hw_params))) < 0) {
-                snd_printk(KERN_ERR "malloc_pages failed with %d\n", ret);
+                printk(KERN_ERR "malloc_pages failed with %d\n", ret);
                 return ret;
         }
 
@@ -2455,8 +2469,7 @@ static int __init snd_dbri_mixer(snd_dbri_t * dbri)
 
         for (idx = 0; idx < NUM_CS4215_CONTROLS; idx++) {
                 if ((err = snd_ctl_add(card,
-                                       snd_ctl_new1(&dbri_controls[idx],
-                                                    dbri))) < 0)
+                                snd_ctl_new1(&dbri_controls[idx], dbri))) < 0)
                         return err;
         }
 
@@ -2490,8 +2503,6 @@ static void dbri_debug_read(snd_info_entry_t * entry,
         int pipe;
         snd_iprintf(buffer, "debug=%d\n", dbri_debug);
 
-        snd_iprintf(buffer, "CHI pipe in=%d, out=%d\n",
-                    dbri->chi_in_pipe, dbri->chi_out_pipe);
         for (pipe = 0; pipe < 32; pipe++) {
                 if (pipe_active(dbri, pipe)) {
                         struct dbri_pipe *pptr = &dbri->pipes[pipe];
@@ -2506,18 +2517,6 @@ static void dbri_debug_read(snd_info_entry_t * entry,
                 }
         }
 }
-
-static void dbri_debug_write(snd_info_entry_t * entry,
-                             snd_info_buffer_t * buffer)
-{
-        char line[80];
-        int i;
-
-        if (snd_info_get_line(buffer, line, 80) == 0) {
-                sscanf(line, "%d\n", &i);
-                dbri_debug = i & 0x3f;
-        }
-}
 #endif
 
 void snd_dbri_proc(snd_dbri_t * dbri)
@@ -2531,9 +2530,7 @@ void snd_dbri_proc(snd_dbri_t * dbri)
 #ifdef DBRI_DEBUG
         err = snd_card_proc_new(dbri->card, "debug", &entry);
         snd_info_set_text_ops(entry, dbri, 4096, dbri_debug_read);
-        entry->mode = S_IFREG | S_IRUGO | S_IWUSR; /* Writable for root */
-        entry->c.text.write_size = 256;
-        entry->c.text.write = dbri_debug_write;
+        entry->mode = S_IFREG | S_IRUGO;        /* Readable only. */
 #endif
 }
 
@@ -2637,7 +2634,11 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
                 return -ENOENT;
         }
 
-        prom_getproperty(prom_node, "intr", (char *)&irq, sizeof(irq));
+        err = prom_getproperty(prom_node, "intr", (char *)&irq, sizeof(irq));
+        if (err < 0) {
+                printk(KERN_ERR "DBRI-%d: Firmware node lacks IRQ property.\n", dev);
+                return -ENODEV;
+        }
 
         card = snd_card_new(index[dev], id[dev], THIS_MODULE,
                             sizeof(snd_dbri_t));
@@ -2657,26 +2658,20 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
         }
 
         dbri = (snd_dbri_t *) card->private_data;
-        if ((err = snd_dbri_pcm(dbri)) < 0) {
-                snd_dbri_free(dbri);
-                snd_card_free(card);
-                return err;
-        }
+        if ((err = snd_dbri_pcm(dbri)) < 0)
+                goto _err;
 
-        if ((err = snd_dbri_mixer(dbri)) < 0) {
-                snd_dbri_free(dbri);
-                snd_card_free(card);
-                return err;
-        }
+        if ((err = snd_dbri_mixer(dbri)) < 0)
+                goto _err;
 
         /* /proc file handling */
         snd_dbri_proc(dbri);
 
-        if ((err = snd_card_register(card)) < 0) {
-                snd_dbri_free(dbri);
-                snd_card_free(card);
-                return err;
-        }
+        if ((err = snd_card_set_generic_dev(card)) < 0)
+                goto _err;
+
+        if ((err = snd_card_register(card)) < 0)
+                goto _err;
 
         printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n",
                dev, dbri->regs,
@@ -2684,6 +2679,11 @@ static int __init dbri_attach(int prom_node, struct sbus_dev *sdev)
         dev++;
 
         return 0;
+
+ _err:
+        snd_dbri_free(dbri);
+        snd_card_free(card);
+        return err;
 }
 
 /* Probe for the dbri chip and then attach the driver. */