[ALSA] isa_bus: adlib
authorRene Herman <rene.herman@gmail.com>
Wed, 14 Feb 2007 12:23:16 +0000 (13:23 +0100)
committerJaroslav Kysela <perex@suse.cz>
Fri, 11 May 2007 14:55:38 +0000 (16:55 +0200)
adlib: port to isa_bus infrastructure.

Signed-off-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
sound/isa/adlib.c

index 1124344ed948b38005041306e322d8107a7af4d1..d68720724c91903cd593452e74c81029d6097317 100644 (file)
@@ -5,13 +5,13 @@
 #include <sound/driver.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/platform_device.h>
+#include <linux/isa.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/opl3.h>
 
 #define CRD_NAME "AdLib FM"
-#define DRV_NAME "snd_adlib"
+#define DEV_NAME "adlib"
 
 MODULE_DESCRIPTION(CRD_NAME);
 MODULE_AUTHOR("Rene Herman");
@@ -31,133 +31,99 @@ MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 
-static struct platform_device *devices[SNDRV_CARDS];
+static int __devinit snd_adlib_match(struct device *dev, unsigned int n)
+{
+       if (!enable[n])
+               return 0;
+
+       if (port[n] == SNDRV_AUTO_PORT) {
+               snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
+               return 0;
+       }
+       return 1;
+}
 
 static void snd_adlib_free(struct snd_card *card)
 {
        release_and_free_resource(card->private_data);
 }
 
-static int __devinit snd_adlib_probe(struct platform_device *device)
+static int __devinit snd_adlib_probe(struct device *dev, unsigned int n)
 {
        struct snd_card *card;
        struct snd_opl3 *opl3;
+       int error;
 
-       int error, i = device->id;
-
-       if (port[i] == SNDRV_AUTO_PORT) {
-               snd_printk(KERN_ERR DRV_NAME ": please specify port\n");
-               error = -EINVAL;
-               goto out0;
-       }
-
-       card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
+       card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
        if (!card) {
-               snd_printk(KERN_ERR DRV_NAME ": could not create card\n");
-               error = -EINVAL;
-               goto out0;
+               snd_printk(KERN_ERR "%s: could not create card\n", dev->bus_id);
+               return -EINVAL;
        }
 
-       card->private_data = request_region(port[i], 4, CRD_NAME);
+       card->private_data = request_region(port[n], 4, CRD_NAME);
        if (!card->private_data) {
-               snd_printk(KERN_ERR DRV_NAME ": could not grab ports\n");
+               snd_printk(KERN_ERR "%s: could not grab ports\n", dev->bus_id);
                error = -EBUSY;
-               goto out1;
+               goto out;
        }
        card->private_free = snd_adlib_free;
 
-       error = snd_opl3_create(card, port[i], port[i] + 2, OPL3_HW_AUTO, 1, &opl3);
+       strcpy(card->driver, DEV_NAME);
+       strcpy(card->shortname, CRD_NAME);
+       sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
+
+       error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
        if (error < 0) {
-               snd_printk(KERN_ERR DRV_NAME ": could not create OPL\n");
-               goto out1;
+               snd_printk(KERN_ERR "%s: could not create OPL\n", dev->bus_id);
+               goto out;
        }
 
        error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
        if (error < 0) {
-               snd_printk(KERN_ERR DRV_NAME ": could not create FM\n");
-               goto out1;
+               snd_printk(KERN_ERR "%s: could not create FM\n", dev->bus_id);
+               goto out;
        }
 
-       strcpy(card->driver, DRV_NAME);
-       strcpy(card->shortname, CRD_NAME);
-       sprintf(card->longname, CRD_NAME " at %#lx", port[i]);
-
-       snd_card_set_dev(card, &device->dev);
+       snd_card_set_dev(card, dev);
 
        error = snd_card_register(card);
        if (error < 0) {
-               snd_printk(KERN_ERR DRV_NAME ": could not register card\n");
-               goto out1;
+               snd_printk(KERN_ERR "%s: could not register card\n", dev->bus_id);
+               goto out;
        }
 
-       platform_set_drvdata(device, card);
+       dev_set_drvdata(dev, card);
        return 0;
 
-out1:  snd_card_free(card);
-out0:  return error;
+out  snd_card_free(card);
+       return error;
 }
 
-static int __devexit snd_adlib_remove(struct platform_device *device)
+static int __devexit snd_adlib_remove(struct device *dev, unsigned int n)
 {
-       snd_card_free(platform_get_drvdata(device));
-       platform_set_drvdata(device, NULL);
+       snd_card_free(dev_get_drvdata(dev));
+       dev_set_drvdata(dev, NULL);
        return 0;
 }
 
-static struct platform_driver snd_adlib_driver = {
+static struct isa_driver snd_adlib_driver = {
+       .match          = snd_adlib_match,
        .probe          = snd_adlib_probe,
        .remove         = __devexit_p(snd_adlib_remove),
 
        .driver         = {
-               .name   = DRV_NAME
+               .name   = DEV_NAME
        }
 };
 
 static int __init alsa_card_adlib_init(void)
 {
-       int i, cards;
-
-       if (platform_driver_register(&snd_adlib_driver) < 0) {
-               snd_printk(KERN_ERR DRV_NAME ": could not register driver\n");
-               return -ENODEV;
-       }
-
-       for (cards = 0, i = 0; i < SNDRV_CARDS; i++) {
-               struct platform_device *device;
-
-               if (!enable[i])
-                       continue;
-
-               device = platform_device_register_simple(DRV_NAME, i, NULL, 0);
-               if (IS_ERR(device))
-                       continue;
-
-               if (!platform_get_drvdata(device)) {
-                       platform_device_unregister(device);
-                       continue;
-               }
-
-               devices[i] = device;
-               cards++;
-       }
-
-       if (!cards) {
-#ifdef MODULE
-               printk(KERN_ERR CRD_NAME " soundcard not found or device busy\n");
-#endif
-               platform_driver_unregister(&snd_adlib_driver);
-               return -ENODEV;
-       }
-       return 0;
+       return isa_register_driver(&snd_adlib_driver, SNDRV_CARDS);
 }
 
 static void __exit alsa_card_adlib_exit(void)
 {
-       int i;
-
-       for (i = 0; i < SNDRV_CARDS; i++)
-               platform_device_unregister(devices[i]);
-       platform_driver_unregister(&snd_adlib_driver);
+       isa_unregister_driver(&snd_adlib_driver);
 }
 
 module_init(alsa_card_adlib_init);