int shutdown; /* this card is going down */
int free_on_last_close; /* free in context of file_release */
wait_queue_head_t shutdown_sleep;
- struct device *dev;
+ struct device *dev; /* device assigned to this card */
+#ifndef CONFIG_SYSFS_DEPRECATED
+ struct device *card_dev; /* cardX object for sysfs */
+#endif
#ifdef CONFIG_PM
unsigned int power_state; /* power state */
int device; /* device number */
const struct file_operations *f_ops; /* file operations */
void *private_data; /* private data for f_ops->open */
- struct class_device *class_dev; /* class device for sysfs */
+ struct device *dev; /* device for sysfs */
};
+/* return a device pointer linked to each sound device as a parent */
+static inline struct device *snd_card_get_device_link(struct snd_card *card)
+{
+#ifdef CONFIG_SYSFS_DEPRECATED
+ return card ? card->dev : NULL;
+#else
+ return card ? card->card_dev : NULL;
+#endif
+}
+
/* sound.c */
extern int snd_major;
extern int snd_ecards_limit;
+extern struct class *sound_class;
void snd_request_card(int card);
-int snd_register_device(int type, struct snd_card *card, int dev,
- const struct file_operations *f_ops, void *private_data,
- const char *name);
+int snd_register_device_for_dev(int type, struct snd_card *card,
+ int dev,
+ const struct file_operations *f_ops,
+ void *private_data,
+ const char *name,
+ struct device *device);
+
+/**
+ * snd_register_device - Register the ALSA device file for the card
+ * @type: the device type, SNDRV_DEVICE_TYPE_XXX
+ * @card: the card instance
+ * @dev: the device index
+ * @f_ops: the file operations
+ * @private_data: user pointer for f_ops->open()
+ * @name: the device file name
+ *
+ * Registers an ALSA device file for the given card.
+ * The operators have to be set in reg parameter.
+ *
+ * This function uses the card's device pointer to link to the
+ * correct &struct device.
+ *
+ * Returns zero if successful, or a negative error code on failure.
+ */
+static inline int snd_register_device(int type, struct snd_card *card, int dev,
+ const struct file_operations *f_ops,
+ void *private_data,
+ const char *name)
+{
+ return snd_register_device_for_dev(type, card, dev, f_ops,
+ private_data, name,
+ snd_card_get_device_link(card));
+}
+
int snd_unregister_device(int type, struct snd_card *card, int dev);
void *snd_lookup_minor_data(unsigned int minor, int type);
int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
- const struct class_device_attribute *attr);
+ struct device_attribute *attr);
#ifdef CONFIG_SND_OSSEMUL
int snd_register_oss_device(int type, struct snd_card *card, int dev,
#endif
#endif
-#include "typedefs.h"
+/* PCI quirk list helper */
+struct snd_pci_quirk {
+ unsigned short subvendor; /* PCI subvendor ID */
+ unsigned short subdevice; /* PCI subdevice ID */
+ int value; /* value */
+#ifdef CONFIG_SND_DEBUG_DETECT
+ const char *name; /* name of the device (optional) */
+#endif
+};
+
+#define _SND_PCI_QUIRK_ID(vend,dev) \
+ .subvendor = (vend), .subdevice = (dev)
+#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)}
+#ifdef CONFIG_SND_DEBUG_DETECT
+#define SND_PCI_QUIRK(vend,dev,xname,val) \
+ {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)}
+#else
+#define SND_PCI_QUIRK(vend,dev,xname,val) \
+ {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)}
+#endif
+
+const struct snd_pci_quirk *
+snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list);
+
#endif /* __SOUND_CORE_H */