[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, 38 insertions, 69 deletions

diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c
index e2fdd5fd39d0..6f143275e3b3 100644
--- a/sound/isa/wavefront/wavefront.c
+++ b/sound/isa/wavefront/wavefront.c
@@ -24,7 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 #include <linux/err.h>
-#include <linux/platform_device.h>
+#include <linux/isa.h>
 #include <linux/pnp.h>
 #include <linux/moduleparam.h>
 #include <sound/core.h>
@@ -83,8 +83,6 @@ MODULE_PARM_DESC(fm_port, "FM port #.");
 module_param_array(use_cs4232_midi, bool, NULL, 0444);
 MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly located inside your computer)");
 
-static struct platform_device *platform_devices[SNDRV_CARDS];
-
 #ifdef CONFIG_PNP
 static int pnp_registered;
 
@@ -588,46 +586,59 @@ snd_wavefront_probe (struct snd_card *card, int dev)
         return snd_card_register(card);
 }       
 
-static int __devinit snd_wavefront_nonpnp_probe(struct platform_device *pdev)
+static int __devinit snd_wavefront_isa_match(struct device *pdev,
+                                             unsigned int dev)
 {
-        int dev = pdev->id;
-        struct snd_card *card;
-        int err;
-
+        if (!enable[dev])
+                return 0;
+#ifdef CONFIG_PNP
+        if (isapnp[dev])
+                return 0;
+#endif
         if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) {
                 snd_printk("specify CS4232 port\n");
-                return -EINVAL;
+                return 0;
         }
         if (ics2115_port[dev] == SNDRV_AUTO_PORT) {
                 snd_printk("specify ICS2115 port\n");
-                return -ENODEV;
+                return 0;
         }
+        return 1;
+}
+
+static int __devinit snd_wavefront_isa_probe(struct device *pdev,
+                                             unsigned int dev)
+{
+        struct snd_card *card;
+        int err;
 
         card = snd_wavefront_card_new(dev);
         if (! card)
                 return -ENOMEM;
-        snd_card_set_dev(card, &pdev->dev);
+        snd_card_set_dev(card, pdev);
         if ((err = snd_wavefront_probe(card, dev)) < 0) {
                 snd_card_free(card);
                 return err;
         }
         
-        platform_set_drvdata(pdev, card);
+        dev_set_drvdata(pdev, card);
         return 0;
 }
 
-static int __devexit snd_wavefront_nonpnp_remove(struct platform_device *devptr)
+static int __devexit snd_wavefront_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;
 }
 
 #define WAVEFRONT_DRIVER        "snd_wavefront"
 
-static struct platform_driver snd_wavefront_driver = {
-        .probe          = snd_wavefront_nonpnp_probe,
-        .remove         = __devexit_p(snd_wavefront_nonpnp_remove),
+static struct isa_driver snd_wavefront_driver = {
+        .match          = snd_wavefront_isa_match,
+        .probe          = snd_wavefront_isa_probe,
+        .remove         = __devexit_p(snd_wavefront_isa_remove),
         /* FIXME: suspend, resume */
         .driver         = {
                 .name   = WAVEFRONT_DRIVER
@@ -636,8 +647,6 @@ static struct platform_driver snd_wavefront_driver = {
 
 
 #ifdef CONFIG_PNP
-static unsigned int __devinitdata wavefront_pnp_devices;
-
 static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
                                               const struct pnp_card_device_id *pid)
 {
@@ -670,7 +679,6 @@ static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
 
         pnp_set_card_drvdata(pcard, card);
         dev++;
-        wavefront_pnp_devices++;
         return 0;
 }
 
@@ -691,67 +699,28 @@ static struct pnp_card_driver wavefront_pnpc_driver = {
 
 #endif /* CONFIG_PNP */
 
-static void __init_or_module snd_wavefront_unregister_all(void)
-{
-        int i;
-
-#ifdef CONFIG_PNP
-        if (pnp_registered)
-                pnp_unregister_card_driver(&wavefront_pnpc_driver);
-#endif
-        for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
-                platform_device_unregister(platform_devices[i]);
-        platform_driver_unregister(&snd_wavefront_driver);
-}
-
 static int __init alsa_card_wavefront_init(void)
 {
-        int i, err, cards = 0;
+        int err;
 
-        if ((err = platform_driver_register(&snd_wavefront_driver)) < 0)
+        err = isa_register_driver(&snd_wavefront_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(WAVEFRONT_DRIVER,
-                                                         i, NULL, 0);
-                if (IS_ERR(device))
-                        continue;
-                if (!platform_get_drvdata(device)) {
-                        platform_device_unregister(device);
-                        continue;
-                }
-                platform_devices[i] = device;
-                cards++;
-        }
-
 #ifdef CONFIG_PNP
         err = pnp_register_card_driver(&wavefront_pnpc_driver);
-        if (!err) {
+        if (!err)
                 pnp_registered = 1;
-                cards += wavefront_pnp_devices;
-        }
-#endif
-
-        if (!cards) {
-#ifdef MODULE
-                printk (KERN_ERR "No WaveFront cards found or devices busy\n");
 #endif
-                snd_wavefront_unregister_all();
-                return -ENODEV;
-        }
         return 0;
 }
 
 static void __exit alsa_card_wavefront_exit(void)
 {
-        snd_wavefront_unregister_all();
+#ifdef CONFIG_PNP
+        if (pnp_registered)
+                pnp_unregister_card_driver(&wavefront_pnpc_driver);
+#endif
+        isa_unregister_driver(&snd_wavefront_driver);
 }
 
 module_init(alsa_card_wavefront_init)