void sound_unload_mididev(int dev)
{
if (dev != -1) {
midi_devs[dev] = NULL;
unregister_sound_midi((dev<<4)+2);
}
}
static void __devexit emu10k1_remove(struct pci_dev *pci_dev)
{
#if LINUX_VERSION_CODE > 0x020320
struct emu10k1_card *card = pci_dev->driver_data;
#else
struct emu10k1_card *card = list_entry(emu10k1_devs.next, struct emu10k1_card, list);
#endif
midi_exit(card);
audio_exit(card);
emu10k1_exit(card);
unregister_sound_midi(card->midi_num);
unregister_sound_mixer(card->mixer_num);
unregister_sound_dsp(card->audio2_num);
unregister_sound_dsp(card->audio1_num);
free_irq(card->irq, card);
release_region(card->iobase, EMU10K1_EXTENT);
list_del(&card->list);
kfree(card);
return;
}
/* Driver initialization routine */
static int __devinit emu10k1_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id)
{
struct emu10k1_card *card;
if ((card = kmalloc(sizeof(struct emu10k1_card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "emu10k1: out of memory\n");
return -ENOMEM;
}
memset(card, 0, sizeof(struct emu10k1_card));
#if LINUX_VERSION_CODE > 0x020320
if (!pci_dma_supported(pci_dev, EMU10K1_DMA_MASK)) {
printk(KERN_ERR "emu10k1: architecture does not support 32bit PCI busmaster DMA\n");
kfree(card);
return -ENODEV;
}
if (pci_enable_device(pci_dev)) {
printk(KERN_ERR "emu10k1: couldn't enable device\n");
kfree(card);
return -ENODEV;
}
pci_set_master(pci_dev);
card->iobase = pci_dev->resource[0].start;
if (request_region(card->iobase, EMU10K1_EXTENT, card_names[pci_id->driver_data]) == NULL) {
printk(KERN_ERR "emu10k1: IO space in use\n");
kfree(card);
return -ENODEV;
}
pci_dev->driver_data = card;
pci_dev->dma_mask = EMU10K1_DMA_MASK;
#else
pci_set_master(pci_dev);
card->iobase = pci_dev->base_address[0] & PCI_BASE_ADDRESS_IO_MASK;
if (check_region(card->iobase, EMU10K1_EXTENT)) {
printk(KERN_ERR "emu10k1: IO space in use\n");
kfree(card);
return -ENODEV;
}
request_region(card->iobase, EMU10K1_EXTENT, card_names[pci_id->driver_data]);
#endif
card->irq = pci_dev->irq;
card->pci_dev = pci_dev;
/* Reserve IRQ Line */
if (request_irq(card->irq, emu10k1_interrupt, SA_SHIRQ, card_names[pci_id->driver_data], card)) {
printk(KERN_ERR "emu10k1: IRQ in use\n");
goto err_irq;
}
pci_read_config_byte(pci_dev, PCI_REVISION_ID, &card->chiprev);
printk(KERN_INFO "emu10k1: %s rev %d found at IO 0x%04lx, IRQ %d\n", card_names[pci_id->driver_data], card->chiprev, card->iobase, card->irq);
spin_lock_init(&card->lock);
card->mixeraddx = card->iobase + AC97DATA;
init_MUTEX(&card->open_sem);
card->open_mode = 0;
init_waitqueue_head(&card->open_wait);
/* Register devices */
if ((card->audio1_num = register_sound_dsp(&emu10k1_audio_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register first audio device!\n");
goto err_dev0;
}
if ((card->audio2_num = register_sound_dsp(&emu10k1_audio_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register second audio device!\n");
goto err_dev1;
}
if ((card->mixer_num = register_sound_mixer(&emu10k1_mixer_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register mixer device!\n");
goto err_dev2;
}
if ((card->midi_num = register_sound_midi(&emu10k1_midi_fops, -1)) < 0) {
printk(KERN_ERR "emu10k1: cannot register midi device!\n");
goto err_dev3;
}
if (emu10k1_init(card) != CTSTATUS_SUCCESS) {
printk(KERN_ERR "emu10k1: cannot initialize device!\n");
goto err_emu10k1_init;
}
if (audio_init(card) != CTSTATUS_SUCCESS) {
printk(KERN_ERR "emu10k1: cannot initialize audio!\n");
goto err_audio_init;
}
if (midi_init(card) != CTSTATUS_SUCCESS) {
printk(KERN_ERR "emu10k1: cannot initialize midi!\n");
goto err_midi_init;
}
mixer_init(card);
DPD(2, "Hardware initialized. TRAM allocated: %u bytes\n", (unsigned int) card->tmemsize);
list_add(&card->list, &emu10k1_devs);
return 0;
err_midi_init:
audio_exit(card);
err_audio_init:
emu10k1_exit(card);
err_emu10k1_init:
unregister_sound_midi(card->midi_num);
err_dev3:
unregister_sound_mixer(card->mixer_num);
err_dev2:
unregister_sound_dsp(card->audio2_num);
err_dev1:
unregister_sound_dsp(card->audio1_num);
err_dev0:
free_irq(card->irq, card);
err_irq:
release_region(card->iobase, EMU10K1_EXTENT);
kfree(card);
return -ENODEV;
}