+static int saa7134_dsp_create(struct saa7134_dev *dev)
+{
+ int err;
+
+ err = dev->dmasound.minor_dsp =
+ register_sound_dsp(&saa7134_dsp_fops,
+ dsp_nr[dev->nr]);
+ if (err < 0) {
+ goto fail;
+ }
+ printk(KERN_INFO "%s: registered device dsp%d\n",
+ dev->name,dev->dmasound.minor_dsp >> 4);
+
+ err = dev->dmasound.minor_mixer =
+ register_sound_mixer(&saa7134_mixer_fops,
+ mixer_nr[dev->nr]);
+ if (err < 0)
+ goto fail;
+ printk(KERN_INFO "%s: registered device mixer%d\n",
+ dev->name,dev->dmasound.minor_mixer >> 4);
+
+ return 0;
+
+fail:
+ unregister_sound_dsp(dev->dmasound.minor_dsp);
+ return 0;
+
+
+}
+
+static int oss_device_init(struct saa7134_dev *dev)
+{
+ dev->dmasound.priv_data = dev;
+ saa7134_oss_init1(dev);
+ saa7134_dsp_create(dev);
+ return 1;
+}
+
+static int oss_device_exit(struct saa7134_dev *dev)
+{
+
+ unregister_sound_mixer(dev->dmasound.minor_mixer);
+ unregister_sound_dsp(dev->dmasound.minor_dsp);
+
+ saa7134_oss_fini(dev);
+
+ if (dev->pci->irq > 0) {
+ synchronize_irq(dev->pci->irq);
+ free_irq(dev->pci->irq,&dev->dmasound);
+ }
+
+ dev->dmasound.priv_data = NULL;
+ return 1;
+}
+
+static int saa7134_oss_init(void)
+{
+ struct saa7134_dev *dev = NULL;
+ struct list_head *list;
+
+ if (!dmasound_init && !dmasound_exit) {
+ dmasound_init = oss_device_init;
+ dmasound_exit = oss_device_exit;
+ } else {
+ printk(KERN_WARNING "saa7134 OSS: can't load, DMA sound handler already assigned (probably to ALSA)\n");
+ return -EBUSY;
+ }
+
+ printk(KERN_INFO "saa7134 OSS driver for DMA sound loaded\n");
+
+
+ list_for_each(list,&saa7134_devlist) {
+ dev = list_entry(list, struct saa7134_dev, devlist);
+ if (dev->dmasound.priv_data == NULL) {
+ oss_device_init(dev);
+ } else {
+ printk(KERN_ERR "saa7134 OSS: DMA sound is being handled by ALSA, ignoring %s\n",dev->name);
+ return -EBUSY;
+ }
+ }
+
+ if (dev == NULL)
+ printk(KERN_INFO "saa7134 OSS: no saa7134 cards found\n");
+
+ return 0;
+
+}
+
+static void saa7134_oss_exit(void)
+{
+ struct saa7134_dev *dev = NULL;
+ struct list_head *list;
+
+ list_for_each(list,&saa7134_devlist) {
+ dev = list_entry(list, struct saa7134_dev, devlist);
+
+ /* Device isn't registered by OSS, probably ALSA's */
+ if (!dev->dmasound.minor_dsp)
+ continue;
+
+ oss_device_exit(dev);
+
+ }
+
+ dmasound_init = NULL;
+ dmasound_exit = NULL;
+
+ printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n");
+
+ return;
+}
+
+/* We initialize this late, to make sure the sound system is up and running */
+late_initcall(saa7134_oss_init);
+module_exit(saa7134_oss_exit);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+