| /* |
| * HD-audio core stuff |
| */ |
| |
| #ifndef __SOUND_HDAUDIO_H |
| #define __SOUND_HDAUDIO_H |
| |
| #include <linux/device.h> |
| |
| /* |
| * exported bus type |
| */ |
| extern struct bus_type snd_hda_bus_type; |
| |
| /* |
| * HD-audio codec base device |
| */ |
| struct hdac_device { |
| struct device dev; |
| int type; |
| }; |
| |
| /* device/driver type used for matching */ |
| enum { |
| HDA_DEV_CORE, |
| HDA_DEV_LEGACY, |
| }; |
| |
| #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) |
| |
| /* |
| * HD-audio codec base driver |
| */ |
| struct hdac_driver { |
| struct device_driver driver; |
| int type; |
| int (*match)(struct hdac_device *dev, struct hdac_driver *drv); |
| }; |
| |
| #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) |
| |
| #endif /* __SOUND_HDAUDIO_H */ |
