| Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * HD-audio core stuff |
| 3 | */ |
| 4 | |
| 5 | #ifndef __SOUND_HDAUDIO_H |
| 6 | #define __SOUND_HDAUDIO_H |
| 7 | |
| 8 | #include <linux/device.h> |
| 9 | |
| 10 | /* |
| 11 | * exported bus type |
| 12 | */ |
| 13 | extern struct bus_type snd_hda_bus_type; |
| 14 | |
| 15 | /* |
| 16 | * HD-audio codec base device |
| 17 | */ |
| 18 | struct hdac_device { |
| 19 | struct device dev; |
| 20 | int type; |
| 21 | }; |
| 22 | |
| 23 | /* device/driver type used for matching */ |
| 24 | enum { |
| 25 | HDA_DEV_CORE, |
| 26 | HDA_DEV_LEGACY, |
| 27 | }; |
| 28 | |
| 29 | #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) |
| 30 | |
| 31 | /* |
| 32 | * HD-audio codec base driver |
| 33 | */ |
| 34 | struct hdac_driver { |
| 35 | struct device_driver driver; |
| 36 | int type; |
| 37 | int (*match)(struct hdac_device *dev, struct hdac_driver *drv); |
| 38 | }; |
| 39 | |
| 40 | #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) |
| 41 | |
| 42 | #endif /* __SOUND_HDAUDIO_H */ |