[ALSA] gus - Use platform_device

Rewrite the probe/remove with platform_device.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

4 files changed, 367 insertions, 274 deletions

diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c
index 6db484f71367..57beb74f5b9d 100644
--- a/sound/isa/gus/gusclassic.c
+++ b/sound/isa/gus/gusclassic.c
@@ -20,14 +20,15 @@
  */
 
 #include <sound/driver.h>
-#include <asm/dma.h>
 #include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/moduleparam.h>
+#include <asm/dma.h>
 #include <sound/core.h>
 #include <sound/gus.h>
-#define SNDRV_LEGACY_AUTO_PROBE
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>
@@ -70,7 +71,6 @@ MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");
 
-static struct snd_card *snd_gusclassic_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
 
 #define PFX     "gusclassic: "
 
@@ -101,20 +101,19 @@ static void __init snd_gusclassic_init(int dev, struct snd_gus_card * gus)
         gus->joystick_dac = joystick_dac[dev];
 }
 
-static int __init snd_gusclassic_probe(int dev)
+static int __init snd_gusclassic_probe(struct platform_device *pdev)
 {
+        int dev = pdev->id;
         static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
         static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
         int xirq, xdma1, xdma2;
         struct snd_card *card;
-        struct snd_gusclassic *guscard;
         struct snd_gus_card *gus = NULL;
         int err;
 
         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
         if (card == NULL)
                 return -ENOMEM;
-        guscard = (struct snd_gusclassic *)card->private_data;
         if (pcm_channels[dev] < 2)
                 pcm_channels[dev] = 2;
 
@@ -143,12 +142,31 @@ static int __init snd_gusclassic_probe(int dev)
                 }
         }
 
-
-        if ((err = snd_gus_create(card,
-                                  port[dev],
-                                  xirq, xdma1, xdma2,
-                                  0, channels[dev], pcm_channels[dev],
-                                  0, &gus)) < 0)
+        if (port[dev] != SNDRV_AUTO_PORT) {
+                err = snd_gus_create(card,
+                                     port[dev],
+                                     xirq, xdma1, xdma2,
+                                     0, channels[dev], pcm_channels[dev],
+                                     0, &gus);
+        } else {
+                /* auto-probe legacy ports */
+                static unsigned long possible_ports[] = {
+                        0x220, 0x230, 0x240, 0x250, 0x260,
+                };
+                int i;
+                for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+                        err = snd_gus_create(card,
+                                             possible_ports[i],
+                                             xirq, xdma1, xdma2,
+                                             0, channels[dev], pcm_channels[dev],
+                                             0, &gus);
+                        if (err >= 0) {
+                                port[dev] = possible_ports[i];
+                                break;
+                        }
+                }
+        }
+        if (err < 0)
                 goto _err;
 
         if ((err = snd_gusclassic_detect(gus)) < 0)
@@ -178,13 +196,12 @@ static int __init snd_gusclassic_probe(int dev)
         if (dma2 >= 0)
                 sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
 
-        if ((err = snd_card_set_generic_dev(card)) < 0)
-                goto _err;
+        snd_card_set_dev(card, &pdev->dev);
 
         if ((err = snd_card_register(card)) < 0)
                 goto _err;
 
-        snd_gusclassic_cards[dev] = card;
+        platform_set_drvdata(pdev, card);
         return 0;
 
  _err:
@@ -192,53 +209,60 @@ static int __init snd_gusclassic_probe(int dev)
         return err;
 }
 
-static int __init snd_gusclassic_legacy_auto_probe(unsigned long xport)
+static int snd_gusclassic_remove(struct platform_device *devptr)
 {
-        static int dev;
-        int res;
-
-        for ( ; dev < SNDRV_CARDS; dev++) {
-                if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
-                        continue;
-                port[dev] = xport;
-                res = snd_gusclassic_probe(dev);
-                if (res < 0)
-                        port[dev] = SNDRV_AUTO_PORT;
-                return res;
-        }
-        return -ENODEV;
+        snd_card_free(platform_get_drvdata(devptr));
+        platform_set_drvdata(devptr, NULL);
+        return 0;
 }
 
+#define GUSCLASSIC_DRIVER       "snd_gusclassic"
+
+static struct platform_driver snd_gusclassic_driver = {
+        .probe          = snd_gusclassic_probe,
+        .remove         = snd_gusclassic_remove,
+        /* FIXME: suspend/resume */
+        .driver         = {
+                .name   = GUSCLASSIC_DRIVER
+        },
+};
+
 static int __init alsa_card_gusclassic_init(void)
 {
-        static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
-        int dev, cards, i;
-
-        for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
-                if (port[dev] == SNDRV_AUTO_PORT)
-                        continue;
-                if (snd_gusclassic_probe(dev) >= 0)
-                        cards++;
-        }
-        i = snd_legacy_auto_probe(possible_ports, snd_gusclassic_legacy_auto_probe);
-        if (i > 0)
-                cards += i;
+        int i, cards, err;
+
+        err = platform_driver_register(&snd_gusclassic_driver);
+        if (err < 0)
+                return err;
 
+        cards = 0;
+        for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+                struct platform_device *device;
+                device = platform_device_register_simple(GUSCLASSIC_DRIVER,
+                                                         i, NULL, 0);
+                if (IS_ERR(device)) {
+                        err = PTR_ERR(device);
+                        goto errout;
+                }
+                cards++;
+        }
         if (!cards) {
 #ifdef MODULE
                 printk(KERN_ERR "GUS Classic soundcard not found or device busy\n");
 #endif
-                return -ENODEV;
+                err = -ENODEV;
+                goto errout;
         }
         return 0;
+
+ errout:
+        platform_driver_unregister(&snd_gusclassic_driver);
+        return err;
 }
 
 static void __exit alsa_card_gusclassic_exit(void)
 {
-        int idx;
-        
-        for (idx = 0; idx < SNDRV_CARDS; idx++)
-                snd_card_free(snd_gusclassic_cards[idx]);
+        platform_driver_unregister(&snd_gusclassic_driver);
 }
 
 module_init(alsa_card_gusclassic_init)
diff --git a/sound/isa/gus/gusextreme.c b/sound/isa/gus/gusextreme.c
index 9be59d501333..6fad9734a853 100644
--- a/sound/isa/gus/gusextreme.c
+++ b/sound/isa/gus/gusextreme.c
@@ -20,11 +20,13 @@
  */
 
 #include <sound/driver.h>
-#include <asm/dma.h>
 #include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/moduleparam.h>
+#include <asm/dma.h>
 #include <sound/core.h>
 #include <sound/gus.h>
 #include <sound/es1688.h>
@@ -85,7 +87,6 @@ MODULE_PARM_DESC(channels, "GF1 channels for GUS Extreme driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Extreme driver.");
 
-static struct snd_card *snd_gusextreme_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
 
 #define PFX     "gusextreme: "
 
@@ -166,15 +167,15 @@ static int __init snd_gusextreme_mixer(struct snd_es1688 *chip)
         return 0;
 }
 
-static int __init snd_gusextreme_probe(int dev)
+static int __init snd_gusextreme_probe(struct platform_device *pdev)
 {
+        int dev = pdev->id;
         static int possible_ess_irqs[] = {5, 9, 10, 7, -1};
         static int possible_ess_dmas[] = {1, 3, 0, -1};
         static int possible_gf1_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
         static int possible_gf1_dmas[] = {5, 6, 7, 1, 3, -1};
         int xgf1_irq, xgf1_dma, xess_irq, xmpu_irq, xess_dma;
         struct snd_card *card;
-        struct snd_gusextreme *acard;
         struct snd_gus_card *gus;
         struct snd_es1688 *es1688;
         struct snd_opl3 *opl3;
@@ -183,7 +184,6 @@ static int __init snd_gusextreme_probe(int dev)
         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
         if (card == NULL)
                 return -ENOMEM;
-        acard = (struct snd_gusextreme *)card->private_data;
 
         xgf1_irq = gf1_irq[dev];
         if (xgf1_irq == SNDRV_AUTO_IRQ) {
@@ -223,10 +223,29 @@ static int __init snd_gusextreme_probe(int dev)
                 }
         }
 
-        if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
-                                     xess_irq, xmpu_irq, xess_dma,
-                                     ES1688_HW_1688, &es1688)) < 0)
+        if (port[dev] != SNDRV_AUTO_PORT) {
+                err = snd_es1688_create(card, port[dev], mpu_port[dev],
+                                        xess_irq, xmpu_irq, xess_dma,
+                                        ES1688_HW_1688, &es1688);
+        } else {
+                /* auto-probe legacy ports */
+                static unsigned long possible_ports[] = {0x220, 0x240, 0x260};
+                int i;
+                for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+                        err = snd_es1688_create(card,
+                                                possible_ports[i],
+                                                mpu_port[dev],
+                                                xess_irq, xmpu_irq, xess_dma,
+                                                ES1688_HW_1688, &es1688);
+                        if (err >= 0) {
+                                port[dev] = possible_ports[i];
+                                break;
+                        }
+                }
+        }
+        if (err < 0)
                 goto out;
+
         if (gf1_port[dev] < 0)
                 gf1_port[dev] = port[dev] + 0x20;
         if ((err = snd_gus_create(card,
@@ -287,13 +306,12 @@ static int __init snd_gusextreme_probe(int dev)
         sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, irq %i&%i, dma %i&%i",
                 es1688->port, xgf1_irq, xess_irq, xgf1_dma, xess_dma);
 
-        if ((err = snd_card_set_generic_dev(card)) < 0)
-                goto out;
+        snd_card_set_dev(card, &pdev->dev);
 
         if ((err = snd_card_register(card)) < 0)
                 goto out;
 
-        snd_gusextreme_cards[dev] = card;
+        platform_set_drvdata(pdev, card);
         return 0;
 
       out:
@@ -301,60 +319,60 @@ static int __init snd_gusextreme_probe(int dev)
         return err;
 }
 
-static int __init snd_gusextreme_legacy_auto_probe(unsigned long xport)
+static int snd_gusextreme_remove(struct platform_device *devptr)
 {
-        static int dev;
-        int res;
-
-        for ( ; dev < SNDRV_CARDS; dev++) {
-                if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
-                        continue;
-                port[dev] = xport;
-                res = snd_gusextreme_probe(dev);
-                if (res < 0)
-                        port[dev] = SNDRV_AUTO_PORT;
-                return res;
-        }
-        return -ENODEV;
+        snd_card_free(platform_get_drvdata(devptr));
+        platform_set_drvdata(devptr, NULL);
+        return 0;
 }
 
+#define GUSEXTREME_DRIVER       "snd_gusextreme"
+
+static struct platform_driver snd_gusextreme_driver = {
+        .probe          = snd_gusextreme_probe,
+        .remove         = snd_gusextreme_remove,
+        /* FIXME: suspend/resume */
+        .driver         = {
+                .name   = GUSEXTREME_DRIVER
+        },
+};
+
 static int __init alsa_card_gusextreme_init(void)
 {
-        static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};
-        int dev, cards, i;
-
-        for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
-                if (port[dev] == SNDRV_AUTO_PORT)
-                        continue;
-                if (snd_gusextreme_probe(dev) >= 0)
-                        cards++;
-        }
-        i = snd_legacy_auto_probe(possible_ports, snd_gusextreme_legacy_auto_probe);
-        if (i > 0)
-                cards += i;
+        int i, cards, err;
+
+        err = platform_driver_register(&snd_gusextreme_driver);
+        if (err < 0)
+                return err;
 
+        cards = 0;
+        for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+                struct platform_device *device;
+                device = platform_device_register_simple(GUSEXTREME_DRIVER,
+                                                         i, NULL, 0);
+                if (IS_ERR(device)) {
+                        err = PTR_ERR(device);
+                        goto errout;
+                }
+                cards++;
+        }
         if (!cards) {
 #ifdef MODULE
                 printk(KERN_ERR "GUS Extreme soundcard not found or device busy\n");
 #endif
-                return -ENODEV;
+                err = -ENODEV;
+                goto errout;
         }
         return 0;
+
+ errout:
+        platform_driver_unregister(&snd_gusextreme_driver);
+        return err;
 }
 
 static void __exit alsa_card_gusextreme_exit(void)
 {
-        int idx;
-        struct snd_card *card;
-        struct snd_gusextreme *acard;
-
-        for (idx = 0; idx < SNDRV_CARDS; idx++) {
-                card = snd_gusextreme_cards[idx];
-                if (card == NULL)
-                        continue;
-                acard = (struct snd_gusextreme *)card->private_data;
-                snd_card_free(snd_gusextreme_cards[idx]);
-        }
+        platform_driver_unregister(&snd_gusextreme_driver);
 }
 
 module_init(alsa_card_gusextreme_init)
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
index 63311cdb4a1a..d1b70ee9b039 100644
--- a/sound/isa/gus/gusmax.c
+++ b/sound/isa/gus/gusmax.c
@@ -20,15 +20,16 @@
  */
 
 #include <sound/driver.h>
-#include <asm/dma.h>
 #include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/moduleparam.h>
+#include <asm/dma.h>
 #include <sound/core.h>
 #include <sound/gus.h>
 #include <sound/cs4231.h>
-#define SNDRV_LEGACY_AUTO_PROBE
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>
@@ -80,8 +81,6 @@ struct snd_gusmax {
         unsigned short pcm_status_reg;
 };
 
-static struct snd_card *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
-
 #define PFX     "gusmax: "
 
 static int __init snd_gusmax_detect(struct snd_gus_card * gus)
@@ -203,8 +202,9 @@ static void snd_gusmax_free(struct snd_card *card)
                 free_irq(maxcard->irq, (void *)maxcard);
 }
 
-static int __init snd_gusmax_probe(int dev)
+static int __init snd_gusmax_probe(struct platform_device *pdev)
 {
+        int dev = pdev->id;
         static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
         static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
         int xirq, xdma1, xdma2, err;
@@ -247,12 +247,32 @@ static int __init snd_gusmax_probe(int dev)
                 }
         }
 
-        if ((err = snd_gus_create(card,
-                                  port[dev],
-                                  -xirq, xdma1, xdma2,
-                                  0, channels[dev],
-                                  pcm_channels[dev],
-                                  0, &gus)) < 0)
+        if (port[dev] != SNDRV_AUTO_PORT) {
+                err = snd_gus_create(card,
+                                     port[dev],
+                                     -xirq, xdma1, xdma2,
+                                     0, channels[dev],
+                                     pcm_channels[dev],
+                                     0, &gus);
+        } else {
+                static unsigned long possible_ports[] = {
+                        0x220, 0x230, 0x240, 0x250, 0x260
+                };
+                int i;
+                for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+                        err = snd_gus_create(card,
+                                             possible_ports[i],
+                                             -xirq, xdma1, xdma2,
+                                             0, channels[dev],
+                                             pcm_channels[dev],
+                                             0, &gus);
+                        if (err >= 0) {
+                                port[dev] = possible_ports[i];
+                                break;
+                        }
+                }
+        }
+        if (err < 0)
                 goto _err;
 
         if ((err = snd_gusmax_detect(gus)) < 0)
@@ -310,15 +330,15 @@ static int __init snd_gusmax_probe(int dev)
         if (xdma2 >= 0)
                 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
 
-        if ((err = snd_card_set_generic_dev(card)) < 0)
-                goto _err;
+        snd_card_set_dev(card, &pdev->dev);
 
         if ((err = snd_card_register(card)) < 0)
                 goto _err;
                 
         maxcard->gus = gus;
         maxcard->cs4231 = cs4231;
-        snd_gusmax_cards[dev] = card;
+
+        platform_set_drvdata(pdev, card);
         return 0;
 
  _err:
@@ -326,53 +346,60 @@ static int __init snd_gusmax_probe(int dev)
         return err;
 }
 
-static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
+static int snd_gusmax_remove(struct platform_device *devptr)
 {
-        static int dev;
-        int res;
-
-        for ( ; dev < SNDRV_CARDS; dev++) {
-                if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
-                        continue;
-                port[dev] = xport;
-                res = snd_gusmax_probe(dev);
-                if (res < 0)
-                        port[dev] = SNDRV_AUTO_PORT;
-                return res;
-        }
-        return -ENODEV;
+        snd_card_free(platform_get_drvdata(devptr));
+        platform_set_drvdata(devptr, NULL);
+        return 0;
 }
 
+#define GUSMAX_DRIVER   "snd_gusmax"
+
+static struct platform_driver snd_gusmax_driver = {
+        .probe          = snd_gusmax_probe,
+        .remove         = snd_gusmax_remove,
+        /* FIXME: suspend/resume */
+        .driver         = {
+                .name   = GUSMAX_DRIVER
+        },
+};
+
 static int __init alsa_card_gusmax_init(void)
 {
-        static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
-        int dev, cards, i;
-
-        for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
-                if (port[dev] == SNDRV_AUTO_PORT)
-                        continue;
-                if (snd_gusmax_probe(dev) >= 0)
-                        cards++;
-        }
-        i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
-        if (i > 0)
-                cards += i;
+        int i, cards, err;
+
+        err = platform_driver_register(&snd_gusmax_driver);
+        if (err < 0)
+                return err;
 
+        cards = 0;
+        for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+                struct platform_device *device;
+                device = platform_device_register_simple(GUSMAX_DRIVER,
+                                                         i, NULL, 0);
+                if (IS_ERR(device)) {
+                        err = PTR_ERR(device);
+                        goto errout;
+                }
+                cards++;
+        }
         if (!cards) {
 #ifdef MODULE
                 printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
 #endif
-                return -ENODEV;
+                err = -ENODEV;
+                goto errout;
         }
         return 0;
+
+ errout:
+        platform_driver_unregister(&snd_gusmax_driver);
+        return err;
 }
 
 static void __exit alsa_card_gusmax_exit(void)
 {
-        int idx;
-
-        for (idx = 0; idx < SNDRV_CARDS; idx++)
-                snd_card_free(snd_gusmax_cards[idx]);
+        platform_driver_unregister(&snd_gusmax_driver);
 }
 
 module_init(alsa_card_gusmax_init)
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
index f2e9c5073548..67a5f7402453 100644
--- a/sound/isa/gus/interwave.c
+++ b/sound/isa/gus/interwave.c
@@ -23,19 +23,20 @@
  */
 
 #include <sound/driver.h>
-#include <asm/dma.h>
-#include <linux/delay.h>
 #include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pnp.h>
 #include <linux/moduleparam.h>
+#include <asm/dma.h>
 #include <sound/core.h>
 #include <sound/gus.h>
 #include <sound/cs4231.h>
 #ifdef SNDRV_STB
 #include <sound/tea6330t.h>
 #endif
-#define SNDRV_LEGACY_AUTO_PROBE
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>
@@ -75,8 +76,12 @@ static int effect[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
 
 #ifdef SNDRV_STB
 #define PFX "interwave-stb: "
+#define INTERWAVE_DRIVER        "snd_interwave_stb"
+#define INTERWAVE_PNP_DRIVER    "interwave-stb"
 #else
 #define PFX "interwave: "
+#define INTERWAVE_DRIVER        "snd_interwave"
+#define INTERWAVE_PNP_DRIVER    "interwave"
 #endif
 
 module_param_array(index, int, NULL, 0444);
@@ -128,7 +133,6 @@ struct snd_interwave {
 #endif
 };
 
-static struct snd_card *snd_interwave_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
 
 #ifdef CONFIG_PNP
 
@@ -633,7 +637,7 @@ static int __devinit snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
 
 static void snd_interwave_free(struct snd_card *card)
 {
-        struct snd_interwave *iwcard = (struct snd_interwave *)card->private_data;
+        struct snd_interwave *iwcard = card->private_data;
 
         if (iwcard == NULL)
                 return;
@@ -644,14 +648,26 @@ static void snd_interwave_free(struct snd_card *card)
                 free_irq(iwcard->irq, (void *)iwcard);
 }
 
-static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
-                                         const struct pnp_card_device_id *pid)
+static struct snd_card *snd_interwave_card_new(int dev)
 {
-        static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
-        static int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
-        int xirq, xdma1, xdma2;
         struct snd_card *card;
         struct snd_interwave *iwcard;
+
+        card = snd_card_new(index[dev], id[dev], THIS_MODULE,
+                            sizeof(struct snd_interwave));
+        if (card == NULL)
+                return NULL;
+        iwcard = card->private_data;
+        iwcard->card = card;
+        iwcard->irq = -1;
+        card->private_free = snd_interwave_free;
+        return card;
+}
+
+static int __devinit snd_interwave_probe(struct snd_card *card, int dev)
+{
+        int xirq, xdma1, xdma2;
+        struct snd_interwave *iwcard = card->private_data;
         struct snd_cs4231 *cs4231;
         struct snd_gus_card *gus;
 #ifdef SNDRV_STB
@@ -661,59 +677,23 @@ static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
         char *str;
         int err;
 
-        card = snd_card_new(index[dev], id[dev], THIS_MODULE,
-                            sizeof(struct snd_interwave));
-        if (card == NULL)
-                return -ENOMEM;
-        iwcard = (struct snd_interwave *)card->private_data;
-        iwcard->card = card;
-        iwcard->irq = -1;
-        card->private_free = snd_interwave_free;
-#ifdef CONFIG_PNP
-        if (isapnp[dev]) {
-                if ((err = snd_interwave_pnp(dev, iwcard, pcard, pid)) < 0)
-                        goto _err;
-                snd_card_set_dev(card, &pcard->card->dev);
-        }
-#endif
         xirq = irq[dev];
-        if (xirq == SNDRV_AUTO_IRQ) {
-                if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
-                        snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
-                        err = -EBUSY;
-                        goto _err;
-                }
-        }
         xdma1 = dma1[dev];
-        if (xdma1 == SNDRV_AUTO_DMA) {
-                if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
-                        snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
-                        err = -EBUSY;
-                        goto _err;
-                }
-        }
         xdma2 = dma2[dev];
-        if (xdma2 == SNDRV_AUTO_DMA) {
-                if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
-                        snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
-                        err = -EBUSY;
-                        goto _err;
-                }
-        }
 
         if ((err = snd_gus_create(card,
                                   port[dev],
                                   -xirq, xdma1, xdma2,
                                   0, 32,
                                   pcm_channels[dev], effect[dev], &gus)) < 0)
-                goto _err;
+                return err;
 
         if ((err = snd_interwave_detect(iwcard, gus, dev
 #ifdef SNDRV_STB
             , &i2c_bus
 #endif
             )) < 0)
-                goto _err;
+                return err;
 
         iwcard->gus_status_reg = gus->gf1.reg_irqstat;
         iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
@@ -721,12 +701,12 @@ static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
         snd_interwave_init(dev, gus);
         snd_interwave_detect_memory(gus);
         if ((err = snd_gus_initialize(gus)) < 0)
-                goto _err;
+                return err;
 
-        if (request_irq(xirq, snd_interwave_interrupt, SA_INTERRUPT, "InterWave", (void *)iwcard)) {
+        if (request_irq(xirq, snd_interwave_interrupt, SA_INTERRUPT,
+                        "InterWave", iwcard)) {
                 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
-                err = -EBUSY;
-                goto _err;
+                return -EBUSY;
         }
         iwcard->irq = xirq;
 
@@ -738,26 +718,26 @@ static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
                                      CS4231_HWSHARE_DMA1 |
                                      CS4231_HWSHARE_DMA2,
                                      &cs4231)) < 0)
-                goto _err;
+                return err;
 
         if ((err = snd_cs4231_pcm(cs4231, 0, &pcm)) < 0)
-                goto _err;
+                return err;
 
         sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A');
         strcat(pcm->name, " (codec)");
 
         if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
-                goto _err;
+                return err;
 
         if ((err = snd_cs4231_mixer(cs4231)) < 0)
-                goto _err;
+                return err;
 
         if (pcm_channels[dev] > 0) {
                 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
-                        goto _err;
+                        return err;
         }
         if ((err = snd_interwave_mixer(cs4231)) < 0)
-                goto _err;
+                return err;
 
 #ifdef SNDRV_STB
         {
@@ -769,19 +749,19 @@ static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
                 strcpy(id2.name, id1.name);
                 id2.index = 1;
                 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
-                        goto _err;
+                        return err;
                 strcpy(id1.name, "Master Playback Volume");
                 strcpy(id2.name, id1.name);
                 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
-                        goto _err;
+                        return err;
                 if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0)
-                        goto _err;
+                        return err;
         }
 #endif
 
         gus->uart_enable = midi[dev];
         if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
-                goto _err;
+                return err;
 
 #ifndef SNDRV_STB
         str = "AMD InterWave";
@@ -800,121 +780,171 @@ static int __devinit snd_interwave_probe(int dev, struct pnp_card_link *pcard,
         if (xdma2 >= 0)
                 sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
 
-        if ((err = snd_card_set_generic_dev(card)) < 0)
-                goto _err;
-
         if ((err = snd_card_register(card)) < 0)
-                goto _err;
+                return err;
         
         iwcard->cs4231 = cs4231;
         iwcard->gus = gus;
-        if (pcard)
-                pnp_set_card_drvdata(pcard, card);
-        else
-                snd_interwave_legacy[dev++] = card;
         return 0;
+}
 
- _err:
-        snd_card_free(card);
-        return err;
+static int __init snd_interwave_nonpnp_probe1(int dev, struct platform_device *devptr)
+{
+        struct snd_card *card;
+        int err;
+
+        card = snd_interwave_card_new(dev);
+        if (! card)
+                return -ENOMEM;
+
+        snd_card_set_dev(card, &devptr->dev);
+        if ((err = snd_interwave_probe(card, dev)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+        platform_set_drvdata(devptr, card);
+        return 0;
 }
 
-static int __devinit snd_interwave_probe_legacy_port(unsigned long xport)
+static int __init snd_interwave_nonpnp_probe(struct platform_device *pdev)
 {
-        static int dev;
-        int res;
+        int dev = pdev->id;
+        int err;
+        static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
+        static int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
 
-        for ( ; dev < SNDRV_CARDS; dev++) {
-                if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
-                        continue;
-#ifdef CONFIG_PNP
-                if (isapnp[dev])
-                        continue;
-#endif
-                port[dev] = xport;
-                res = snd_interwave_probe(dev, NULL, NULL);
-                if (res < 0)
-                        port[dev] = SNDRV_AUTO_PORT;
-                return res;
+        if (irq[dev] == SNDRV_AUTO_IRQ) {
+                if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
+                        snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+                        return -EBUSY;
+                }
+        }
+        if (dma1[dev] == SNDRV_AUTO_DMA) {
+                if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
+                        snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
+                        return -EBUSY;
+                }
+        }
+        if (dma2[dev] == SNDRV_AUTO_DMA) {
+                if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
+                        snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
+                        return -EBUSY;
+                }
+        }
+
+        if (port[dev] != SNDRV_AUTO_PORT)
+                return snd_interwave_nonpnp_probe1(dev, pdev);
+        else {
+                static long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
+                int i;
+                for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+                        port[dev] = possible_ports[i];
+                        err = snd_interwave_nonpnp_probe1(dev, pdev);
+                        if (! err)
+                                return 0;
+                }
+                return err;
         }
-        return -ENODEV;
 }
 
+static int __devexit snd_interwave_nonpnp_remove(struct platform_device *devptr)
+{
+        snd_card_free(platform_get_drvdata(devptr));
+        platform_set_drvdata(devptr, NULL);
+        return 0;
+}
+
+static struct platform_driver snd_interwave_driver = {
+        .probe          = snd_interwave_nonpnp_probe,
+        .remove         = __devexit_p(snd_interwave_nonpnp_remove),
+        /* FIXME: suspend,resume */
+        .driver         = {
+                .name   = INTERWAVE_DRIVER
+        },
+};
+
 #ifdef CONFIG_PNP
 
-static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *card,
-                                           const struct pnp_card_device_id *id)
+static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *pcard,
+                                              const struct pnp_card_device_id *pid)
 {
         static int dev;
+        struct snd_card *card;
         int res;
 
         for ( ; dev < SNDRV_CARDS; dev++) {
-                if (!enable[dev] || !isapnp[dev])
-                        continue;
-                res = snd_interwave_probe(dev, card, id);
-                if (res < 0)
-                        return res;
-                dev++;
-                return 0;
-        }
-
-        return -ENODEV;
+                if (enable[dev] && isapnp[dev])
+                        break;
+        }
+        if (dev >= SNDRV_CARDS)
+                return -ENODEV;
+                                
+        card = snd_interwave_card_new(dev);
+        if (! card)
+                return -ENOMEM;
+
+        if ((res = snd_interwave_pnp(dev, card->private_data, pcard, pid)) < 0) {
+                snd_card_free(card);
+                return res;
+        }
+        snd_card_set_dev(card, &pcard->card->dev);
+        if ((res = snd_interwave_probe(card, dev)) < 0) {
+                snd_card_free(card);
+                return res;
+        }
+        pnp_set_card_drvdata(pcard, card);
+        dev++;
+        return 0;
 }
 
 static void __devexit snd_interwave_pnp_remove(struct pnp_card_link * pcard)
 {
-        struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
-
-        snd_card_disconnect(card);
-        snd_card_free_in_thread(card);
+        snd_card_free(pnp_get_card_drvdata(pcard));
+        pnp_set_card_drvdata(pcard, NULL);
 }
 
 static struct pnp_card_driver interwave_pnpc_driver = {
         .flags = PNP_DRIVER_RES_DISABLE,
-        .name = "interwave",
+        .name = INTERWAVE_PNP_DRIVER,
         .id_table = snd_interwave_pnpids,
         .probe = snd_interwave_pnp_detect,
         .remove = __devexit_p(snd_interwave_pnp_remove),
+        /* FIXME: suspend,resume */
 };
 
 #endif /* CONFIG_PNP */
 
 static int __init alsa_card_interwave_init(void)
 {
-        int cards = 0, i;
-        static long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260, -1};
-        int dev;
+        int i, err, cards = 0;
 
-        for (dev = 0; dev < SNDRV_CARDS; dev++) {
-                if (!enable[dev] || port[dev] == SNDRV_AUTO_PORT)
-                        continue;
+        if ((err = platform_driver_register(&snd_interwave_driver)) < 0)
+                return err;
+
+        for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+                struct platform_device *device;
 #ifdef CONFIG_PNP
-                if (isapnp[dev])
+                if (isapnp[i])
                         continue;
 #endif
-                if (!snd_interwave_probe(dev, NULL, NULL)) {
-                        cards++;
-                        continue;
+                device = platform_device_register_simple(INTERWAVE_DRIVER,
+                                                         i, NULL, 0);
+                if (IS_ERR(device)) {
+                        err = PTR_ERR(device);
+                        platform_driver_unregister(&snd_interwave_driver);
+                        return err;
                 }
-#ifdef MODULE
-                printk(KERN_ERR "InterWave soundcard #%i not found at 0x%lx or device busy\n", dev, port[dev]);
-#endif
+                cards++;
         }
-        /* legacy auto configured cards */
-        i = snd_legacy_auto_probe(possible_ports, snd_interwave_probe_legacy_port);
-        if (i > 0)
-                cards += i;
-#ifdef CONFIG_PNP
+
         /* ISA PnP cards */
         i = pnp_register_card_driver(&interwave_pnpc_driver);
         if (i > 0)
                 cards += i;
-#endif
 
         if (!cards) {
-#ifdef CONFIG_PNP
                 pnp_unregister_card_driver(&interwave_pnpc_driver);
-#endif
+                platform_driver_unregister(&snd_interwave_driver);
 #ifdef MODULE
                 printk(KERN_ERR "InterWave soundcard not found or device busy\n");
 #endif
@@ -925,14 +955,8 @@ static int __init alsa_card_interwave_init(void)
 
 static void __exit alsa_card_interwave_exit(void)
 {
-        int dev;
-
-#ifdef CONFIG_PNP
-        /* PnP cards first */
         pnp_unregister_card_driver(&interwave_pnpc_driver);
-#endif
-        for (dev = 0; dev < SNDRV_CARDS; dev++)
-                snd_card_free(snd_interwave_legacy[dev]);
+        platform_driver_unregister(&snd_interwave_driver);
 }
 
 module_init(alsa_card_interwave_init)