X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fsound%2Fcore.h;h=4b9e609975ab976e5dceb554ef7401e30d5b3daf;hb=074ff856004819b942190606cc38ec97a4c3d9fd;hp=a994bea09cd6debedcf08bd740ca8a0cde227ec4;hpb=651857a1ecaf97a8ad9d324dd2a61675c53e541e;p=linux-2.6-omap-h63xx.git diff --git a/include/sound/core.h b/include/sound/core.h index a994bea09cd..4b9e609975a 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -132,8 +132,10 @@ struct snd_card { 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 *parent; - 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 */ @@ -191,6 +193,16 @@ struct snd_minor { 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; @@ -199,9 +211,40 @@ 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, @@ -257,7 +300,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file); int snd_card_file_remove(struct snd_card *card, struct file *file); #ifndef snd_card_set_dev -#define snd_card_set_dev(card,devptr) ((card)->parent = (devptr)) +#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr)) #endif /* device.c */ @@ -384,6 +427,29 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #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 */