Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
[sfrench/cifs-2.6.git] / sound / isa / wavefront / wavefront.c
index 9eb27082c659f16ca4f80c0ae4329426709285a3..83c2fc4cfc64fb1bfc7bdde14e4f3623927ce452 100644 (file)
@@ -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>
@@ -40,7 +40,9 @@ MODULE_SUPPORTED_DEVICE("{{Turtle Beach,Maui/Tropez/Tropez+}}");
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;         /* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;     /* Enable this card */
+#ifdef CONFIG_PNP
 static int isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
+#endif
 static long cs4232_pcm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
 static int cs4232_pcm_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
 static long cs4232_mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
@@ -83,9 +85,8 @@ 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 isa_registered;
 static int pnp_registered;
 
 static struct pnp_card_device_id snd_wavefront_pnpids[] = {
@@ -263,9 +264,7 @@ snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *c
 
 #endif /* CONFIG_PNP */
 
-static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, 
-                                           void *dev_id, 
-                                           struct pt_regs *regs)
+static irqreturn_t snd_wavefront_ics2115_interrupt(int irq, void *dev_id)
 {
        snd_wavefront_card_t *acard;
 
@@ -404,6 +403,7 @@ static struct snd_card *snd_wavefront_card_new(int dev)
        init_waitqueue_head(&acard->wavefront.interrupt_sleeper);
        spin_lock_init(&acard->wavefront.midi.open);
        spin_lock_init(&acard->wavefront.midi.virtual);
+       acard->wavefront.card = card;
        card->private_free = snd_wavefront_free;
 
        return card;
@@ -467,7 +467,7 @@ snd_wavefront_probe (struct snd_card *card, int dev)
                return -EBUSY;
        }
        if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt,
-                       SA_INTERRUPT, "ICS2115", acard)) {
+                       IRQF_DISABLED, "ICS2115", acard)) {
                snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]);
                return -EBUSY;
        }
@@ -497,7 +497,7 @@ snd_wavefront_probe (struct snd_card *card, int dev)
                if ((err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232,
                                               cs4232_mpu_port[dev], 0,
                                               cs4232_mpu_irq[dev],
-                                              SA_INTERRUPT,
+                                              IRQF_DISABLED,
                                               NULL)) < 0) {
                        snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n");
                        return err;
@@ -589,56 +589,67 @@ 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"
+#define DEV_NAME "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
+               .name   = DEV_NAME
        },
 };
 
 
 #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)
 {
@@ -671,7 +682,6 @@ static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard,
 
        pnp_set_card_drvdata(pcard, card);
        dev++;
-       wavefront_pnp_devices++;
        return 0;
 }
 
@@ -692,67 +702,33 @@ 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;
-
-       if ((err = platform_driver_register(&snd_wavefront_driver)) < 0)
-               return err;
+       int err;
 
-       for (i = 0; i < SNDRV_CARDS; i++) {
-               struct platform_device *device;
-               if (! enable[i])
-                       continue;
+       err = isa_register_driver(&snd_wavefront_driver, SNDRV_CARDS);
 #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++;
-       }
+       if (!err)
+               isa_registered = 1;
 
-#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");
+       if (isa_registered)
+               err = 0;
 #endif
-               snd_wavefront_unregister_all();
-               return -ENODEV;
-       }
-       return 0;
+       return err;
 }
 
 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);
+       if (isa_registered)
+#endif
+               isa_unregister_driver(&snd_wavefront_driver);
 }
 
 module_init(alsa_card_wavefront_init)