diff options
Diffstat (limited to 'include/sound/hdaudio_ext.h')
| -rw-r--r-- | include/sound/hdaudio_ext.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h new file mode 100644 index 000000000000..083f68a980d2 --- /dev/null +++ b/include/sound/hdaudio_ext.h @@ -0,0 +1,46 @@ +#ifndef __SOUND_HDAUDIO_EXT_H +#define __SOUND_HDAUDIO_EXT_H + +#include <sound/hdaudio.h> + +/** + * hdac_ext_bus: HDAC extended bus for extended HDA caps + * + * @bus: hdac bus + * @num_streams: streams supported + * @ppcap: pp capabilities pointer + * @spbcap: SPIB capabilities pointer + * @mlcap: MultiLink capabilities pointer + * @gtscap: gts capabilities pointer + * @hlink_list: link list of HDA links + */ +struct hdac_ext_bus { + struct hdac_bus bus; + int num_streams; + int idx; + + void __iomem *ppcap; + void __iomem *spbcap; + void __iomem *mlcap; + void __iomem *gtscap; + + struct list_head hlink_list; +}; + +int snd_hdac_ext_bus_init(struct hdac_ext_bus *sbus, struct device *dev, + const struct hdac_bus_ops *ops, + const struct hdac_io_ops *io_ops); + +void snd_hdac_ext_bus_exit(struct hdac_ext_bus *sbus); +int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *sbus, int addr); +void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev); + +#define ebus_to_hbus(ebus) (&(ebus)->bus) +#define hbus_to_ebus(_bus) \ + container_of(_bus, struct hdac_ext_bus, bus) + +int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *sbus); +void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *chip, bool enable); +void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *chip, bool enable); + +#endif /* __SOUND_HDAUDIO_EXT_H */ |