[ALSA] Port the rest of ALSA ISA drivers to isa_driver

Port the rest of ALSA ISA drivers to use isa_driver framework
instead of platform_driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 37 insertions, 64 deletions

diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
index 4ec2d79431fc..3e4657255536 100644
--- a/sound/isa/gus/interwave.c
+++ b/sound/isa/gus/interwave.c
@@ -25,7 +25,7 @@
 #include <sound/driver.h>
 #include <linux/init.h>
 #include <linux/err.h>
-#include <linux/platform_device.h>
+#include <linux/isa.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pnp.h>
@@ -115,9 +115,6 @@ MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
 module_param_array(effect, int, NULL, 0444);
 MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
 
-static struct platform_device *platform_devices[SNDRV_CARDS];
-static int pnp_registered;
-
 struct snd_interwave {
         int irq;
         struct snd_card *card;
@@ -138,6 +135,7 @@ struct snd_interwave {
 
 
 #ifdef CONFIG_PNP
+static int pnp_registered;
 
 static struct pnp_card_device_id snd_interwave_pnpids[] = {
 #ifndef SNDRV_STB
@@ -793,7 +791,7 @@ static int __devinit snd_interwave_probe(struct snd_card *card, int dev)
         return 0;
 }
 
-static int __devinit snd_interwave_nonpnp_probe1(int dev, struct platform_device *devptr)
+static int __devinit snd_interwave_isa_probe1(int dev, struct device *devptr)
 {
         struct snd_card *card;
         int err;
@@ -802,18 +800,30 @@ static int __devinit snd_interwave_nonpnp_probe1(int dev, struct platform_device
         if (! card)
                 return -ENOMEM;
 
-        snd_card_set_dev(card, &devptr->dev);
+        snd_card_set_dev(card, devptr);
         if ((err = snd_interwave_probe(card, dev)) < 0) {
                 snd_card_free(card);
                 return err;
         }
-        platform_set_drvdata(devptr, card);
+        dev_set_drvdata(devptr, card);
         return 0;
 }
 
-static int __devinit snd_interwave_nonpnp_probe(struct platform_device *pdev)
+static int __devinit snd_interwave_isa_match(struct device *pdev,
+                                             unsigned int dev)
+{
+        if (!enable[dev])
+                return 0;
+#ifdef CONFIG_PNP
+        if (isapnp[dev])
+                return 0;
+#endif
+        return 1;
+}
+
+static int __devinit snd_interwave_isa_probe(struct device *pdev,
+                                             unsigned int dev)
 {
-        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};
@@ -838,13 +848,13 @@ static int __devinit snd_interwave_nonpnp_probe(struct platform_device *pdev)
         }
 
         if (port[dev] != SNDRV_AUTO_PORT)
-                return snd_interwave_nonpnp_probe1(dev, pdev);
+                return snd_interwave_isa_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);
+                        err = snd_interwave_isa_probe1(dev, pdev);
                         if (! err)
                                 return 0;
                 }
@@ -852,16 +862,17 @@ static int __devinit snd_interwave_nonpnp_probe(struct platform_device *pdev)
         }
 }
 
-static int __devexit snd_interwave_nonpnp_remove(struct platform_device *devptr)
+static int __devexit snd_interwave_isa_remove(struct device *devptr, unsigned int dev)
 {
-        snd_card_free(platform_get_drvdata(devptr));
-        platform_set_drvdata(devptr, NULL);
+        snd_card_free(dev_get_drvdata(devptr));
+        dev_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),
+static struct isa_driver snd_interwave_driver = {
+        .match          = snd_interwave_isa_match,
+        .probe          = snd_interwave_isa_probe,
+        .remove         = __devexit_p(snd_interwave_isa_remove),
         /* FIXME: suspend,resume */
         .driver         = {
                 .name   = INTERWAVE_DRIVER
@@ -869,8 +880,6 @@ static struct platform_driver snd_interwave_driver = {
 };
 
 #ifdef CONFIG_PNP
-static unsigned int __devinitdata interwave_pnp_devices;
-
 static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *pcard,
                                               const struct pnp_card_device_id *pid)
 {
@@ -900,7 +909,6 @@ static int __devinit snd_interwave_pnp_detect(struct pnp_card_link *pcard,
         }
         pnp_set_card_drvdata(pcard, card);
         dev++;
-        interwave_pnp_devices++;
         return 0;
 }
 
@@ -921,64 +929,29 @@ static struct pnp_card_driver interwave_pnpc_driver = {
 
 #endif /* CONFIG_PNP */
 
-static void __init_or_module snd_interwave_unregister_all(void)
-{
-        int i;
-
-        if (pnp_registered)
-                pnp_unregister_card_driver(&interwave_pnpc_driver);
-        for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
-                platform_device_unregister(platform_devices[i]);
-        platform_driver_unregister(&snd_interwave_driver);
-}
-
 static int __init alsa_card_interwave_init(void)
 {
-        int i, err, cards = 0;
+        int err;
 
-        if ((err = platform_driver_register(&snd_interwave_driver)) < 0)
+        err = isa_register_driver(&snd_interwave_driver, SNDRV_CARDS);
+        if (err < 0)
                 return err;
-
-        for (i = 0; i < SNDRV_CARDS; i++) {
-                struct platform_device *device;
-                if (! enable[i])
-                        continue;
 #ifdef CONFIG_PNP
-                if (isapnp[i])
-                        continue;
-#endif
-                device = platform_device_register_simple(INTERWAVE_DRIVER,
-                                                         i, NULL, 0);
-                if (IS_ERR(device))
-                        continue;
-                if (!platform_get_drvdata(device)) {
-                        platform_device_unregister(device);
-                        continue;
-                }
-                platform_devices[i] = device;
-                cards++;
-        }
-
         /* ISA PnP cards */
         err = pnp_register_card_driver(&interwave_pnpc_driver);
-        if (!err) {
+        if (!err)
                 pnp_registered = 1;
-                cards += interwave_pnp_devices;;
-        }
-
-        if (!cards) {
-#ifdef MODULE
-                printk(KERN_ERR "InterWave soundcard not found or device busy\n");
 #endif
-                snd_interwave_unregister_all();
-                return -ENODEV;
-        }
         return 0;
 }
 
 static void __exit alsa_card_interwave_exit(void)
 {
-        snd_interwave_unregister_all();
+#ifdef CONFIG_PNP
+        if (pnp_registered)
+                pnp_unregister_card_driver(&interwave_pnpc_driver);
+#endif
+        isa_unregister_driver(&snd_interwave_driver);
 }
 
 module_init(alsa_card_interwave_init)