[ALSA] isa_bus: gusclassic

gusclassic: 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>

1 files changed, 130 insertions, 162 deletions

diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c
index 0395e2e0dd03..8f23f433d491 100644
--- a/sound/isa/gus/gusclassic.c
+++ b/sound/isa/gus/gusclassic.c
@@ -22,7 +22,7 @@
 #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/time.h>
 #include <linux/moduleparam.h>
@@ -33,8 +33,11 @@
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>
 
+#define CRD_NAME "Gravis UltraSound Classic"
+#define DEV_NAME "gusclassic"
+
+MODULE_DESCRIPTION(CRD_NAME);
 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
-MODULE_DESCRIPTION("Gravis UltraSound Classic");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");
 
@@ -51,32 +54,80 @@ static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
 
 module_param_array(index, int, NULL, 0444);
-MODULE_PARM_DESC(index, "Index value for GUS Classic soundcard.");
+MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 module_param_array(id, charp, NULL, 0444);
-MODULE_PARM_DESC(id, "ID string for GUS Classic soundcard.");
+MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 module_param_array(enable, bool, NULL, 0444);
-MODULE_PARM_DESC(enable, "Enable GUS Classic soundcard.");
+MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 module_param_array(port, long, NULL, 0444);
-MODULE_PARM_DESC(port, "Port # for GUS Classic driver.");
+MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 module_param_array(irq, int, NULL, 0444);
-MODULE_PARM_DESC(irq, "IRQ # for GUS Classic driver.");
+MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 module_param_array(dma1, int, NULL, 0444);
-MODULE_PARM_DESC(dma1, "DMA1 # for GUS Classic driver.");
+MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
 module_param_array(dma2, int, NULL, 0444);
-MODULE_PARM_DESC(dma2, "DMA2 # for GUS Classic driver.");
+MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
 module_param_array(joystick_dac, int, NULL, 0444);
-MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
+MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
 module_param_array(channels, int, NULL, 0444);
-MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
+MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
-MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");
+MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
+
+static int __devinit snd_gusclassic_match(struct device *dev, unsigned int n)
+{
+        return enable[n];
+}
+
+static int __devinit snd_gusclassic_create(struct snd_card *card,
+                struct device *dev, unsigned int n, struct snd_gus_card **rgus)
+{
+        static long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
+        static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
+        static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
+
+        int i, error;
+
+        if (irq[n] == SNDRV_AUTO_IRQ) {
+                irq[n] = snd_legacy_find_free_irq(possible_irqs);
+                if (irq[n] < 0) {
+                        snd_printk(KERN_ERR "%s: unable to find a free IRQ\n",
+                                dev->bus_id);
+                        return -EBUSY;
+                }
+        }
+        if (dma1[n] == SNDRV_AUTO_DMA) {
+                dma1[n] = snd_legacy_find_free_dma(possible_dmas);
+                if (dma1[n] < 0) {
+                        snd_printk(KERN_ERR "%s: unable to find a free DMA1\n",
+                                dev->bus_id);
+                        return -EBUSY;
+                }
+        }
+        if (dma2[n] == SNDRV_AUTO_DMA) {
+                dma2[n] = snd_legacy_find_free_dma(possible_dmas);
+                if (dma2[n] < 0) {
+                        snd_printk(KERN_ERR "%s: unable to find a free DMA2\n",
+                                dev->bus_id);
+                        return -EBUSY;
+                }
+        }
 
-static struct platform_device *devices[SNDRV_CARDS];
+        if (port[n] != SNDRV_AUTO_PORT)
+                return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
+                                0, channels[n], pcm_channels[n], 0, rgus);
 
+        i = 0;
+        do {
+                port[n] = possible_ports[i];
+                error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
+                                0, channels[n], pcm_channels[n], 0, rgus);
+        } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
 
-#define PFX     "gusclassic: "
+        return error;
+}
 
-static int __devinit snd_gusclassic_detect(struct snd_gus_card * gus)
+static int __devinit snd_gusclassic_detect(struct snd_gus_card *gus)
 {
         unsigned char d;
 
@@ -95,187 +146,104 @@ static int __devinit snd_gusclassic_detect(struct snd_gus_card * gus)
         return 0;
 }
 
-static void __devinit snd_gusclassic_init(int dev, struct snd_gus_card * gus)
-{
-        gus->equal_irq = 0;
-        gus->codec_flag = 0;
-        gus->max_flag = 0;
-        gus->joystick_dac = joystick_dac[dev];
-}
-
-static int __devinit snd_gusclassic_probe(struct platform_device *pdev)
+static int __devinit snd_gusclassic_probe(struct device *dev, unsigned int n)
 {
-        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_gus_card *gus = NULL;
-        int err;
-
-        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
-        if (card == NULL)
-                return -ENOMEM;
-        if (pcm_channels[dev] < 2)
-                pcm_channels[dev] = 2;
-
-        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;
-                }
-        }
+        struct snd_gus_card *gus;
+        int error;
 
-        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;
+        card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
+        if (!card)
+                return -EINVAL;
 
-        if ((err = snd_gusclassic_detect(gus)) < 0)
-                goto _err;
+        if (pcm_channels[n] < 2)
+                pcm_channels[n] = 2;
 
-        snd_gusclassic_init(dev, gus);
-        if ((err = snd_gus_initialize(gus)) < 0)
-                goto _err;
+        error = snd_gusclassic_create(card, dev, n, &gus);
+        if (error < 0)
+                goto out;
 
+        error = snd_gusclassic_detect(gus);
+        if (error < 0)
+                goto out;
+
+        gus->joystick_dac = joystick_dac[n];
+
+        error = snd_gus_initialize(gus);
+        if (error < 0)
+                goto out;
+
+        error = -ENODEV;
         if (gus->max_flag || gus->ess_flag) {
-                snd_printk(KERN_ERR PFX "GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port);
-                err = -ENODEV;
-                goto _err;
+                snd_printk(KERN_ERR "%s: GUS Classic or ACE soundcard was "
+                        "not detected at 0x%lx\n", dev->bus_id, gus->gf1.port);
+                goto out;
         }
 
-        if ((err = snd_gf1_new_mixer(gus)) < 0)
-                goto _err;
+        error = snd_gf1_new_mixer(gus);
+        if (error < 0)
+                goto out;
 
-        if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0)
-                goto _err;
+        error = snd_gf1_pcm_new(gus, 0, 0, NULL);
+        if (error < 0)
+                goto out;
 
         if (!gus->ace_flag) {
-                if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
-                        goto _err;
+                error = snd_gf1_rawmidi_new(gus, 0, NULL);
+                if (error < 0)
+                        goto out;
         }
-        sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, xirq, xdma1);
-        if (xdma2 >= 0)
-                sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
 
-        snd_card_set_dev(card, &pdev->dev);
+        sprintf(card->longname + strlen(card->longname),
+                " at 0x%lx, irq %d, dma %d",
+                gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);
 
-        if ((err = snd_card_register(card)) < 0)
-                goto _err;
+        if (gus->gf1.dma2 >= 0)
+                sprintf(card->longname + strlen(card->longname),
+                        "&%d", gus->gf1.dma2);
 
-        platform_set_drvdata(pdev, card);
+        snd_card_set_dev(card, dev);
+
+        error = snd_card_register(card);
+        if (error < 0)
+                goto out;
+
+        dev_set_drvdata(dev, card);
         return 0;
 
- _err:
-        snd_card_free(card);
-        return err;
+out:    snd_card_free(card);
+        return error;
 }
 
-static int __devexit snd_gusclassic_remove(struct platform_device *devptr)
+static int __devexit snd_gusclassic_remove(struct device *dev, unsigned int n)
 {
-        snd_card_free(platform_get_drvdata(devptr));
-        platform_set_drvdata(devptr, NULL);
+        snd_card_free(dev_get_drvdata(dev));
+        dev_set_drvdata(dev, NULL);
         return 0;
 }
 
-#define GUSCLASSIC_DRIVER       "snd_gusclassic"
-
-static struct platform_driver snd_gusclassic_driver = {
+static struct isa_driver snd_gusclassic_driver = {
+        .match          = snd_gusclassic_match,
         .probe          = snd_gusclassic_probe,
         .remove         = __devexit_p(snd_gusclassic_remove),
-        /* FIXME: suspend/resume */
+#if 0   /* FIXME */
+        .suspend        = snd_gusclassic_suspend,
+        .remove         = snd_gusclassic_remove,
+#endif
         .driver         = {
-                .name   = GUSCLASSIC_DRIVER
-        },
+                .name   = DEV_NAME
+        }
 };
 
-static void __init_or_module snd_gusclassic_unregister_all(void)
-{
-        int i;
-
-        for (i = 0; i < ARRAY_SIZE(devices); ++i)
-                platform_device_unregister(devices[i]);
-        platform_driver_unregister(&snd_gusclassic_driver);
-}
-
 static int __init alsa_card_gusclassic_init(void)
 {
-        int i, cards, err;
-
-        err = platform_driver_register(&snd_gusclassic_driver);
-        if (err < 0)
-                return err;
-
-        cards = 0;
-        for (i = 0; i < SNDRV_CARDS; i++) {
-                struct platform_device *device;
-                if (! enable[i])
-                        continue;
-                device = platform_device_register_simple(GUSCLASSIC_DRIVER,
-                                                         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 "GUS Classic soundcard not found or device busy\n");
-#endif
-                snd_gusclassic_unregister_all();
-                return -ENODEV;
-        }
-        return 0;
+        return isa_register_driver(&snd_gusclassic_driver, SNDRV_CARDS);
 }
 
 static void __exit alsa_card_gusclassic_exit(void)
 {
-        snd_gusclassic_unregister_all();
+        isa_unregister_driver(&snd_gusclassic_driver);
 }
 
-module_init(alsa_card_gusclassic_init)
-module_exit(alsa_card_gusclassic_exit)
+module_init(alsa_card_gusclassic_init);
+module_exit(alsa_card_gusclassic_exit);