diff options
Diffstat (limited to 'include/sound/hdaudio_ext.h')
| -rw-r--r-- | include/sound/hdaudio_ext.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 89683a8fff5b..0044caa19155 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -57,6 +57,50 @@ enum hdac_ext_stream_type { HDAC_EXT_STREAM_TYPE_LINK }; +/** + * hdac_ext_stream: HDAC extended stream for extended HDA caps + * + * @hstream: hdac_stream + * @pphc_addr: processing pipe host stream pointer + * @pplc_addr: processing pipe link stream pointer + * @decoupled: stream host and link is decoupled + * @link_locked: link is locked + * @link_prepared: link is prepared + * link_substream: link substream + */ +struct hdac_ext_stream { + struct hdac_stream hstream; + + void __iomem *pphc_addr; + void __iomem *pplc_addr; + + bool decoupled:1; + bool link_locked:1; + bool link_prepared; + + struct snd_pcm_substream *link_substream; +}; + +#define hdac_stream(s) (&(s)->hstream) +#define stream_to_hdac_ext_stream(s) \ + container_of(s, struct hdac_ext_stream, hstream) + +void snd_hdac_ext_stream_init(struct hdac_ext_bus *bus, + struct hdac_ext_stream *stream, int idx, + int direction, int tag); +struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_ext_bus *bus, + struct snd_pcm_substream *substream, + int type); +void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); +void snd_hdac_ext_stream_decouple(struct hdac_ext_bus *bus, + struct hdac_ext_stream *azx_dev, bool decouple); +void snd_hdac_ext_stop_streams(struct hdac_ext_bus *sbus); + +void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *hstream); +void snd_hdac_ext_link_stream_clear(struct hdac_ext_stream *hstream); +void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *hstream); +int snd_hdac_ext_link_stream_setup(struct hdac_ext_stream *stream, int fmt); + struct hdac_ext_link { struct hdac_bus *bus; int index; @@ -78,4 +122,8 @@ void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link, writel(((readl(addr + reg) & ~(mask)) | (val)), \ addr + reg) +#define snd_hdac_updatew(addr, reg, mask, val) \ + writew(((readw(addr + reg) & ~(mask)) | (val)), \ + addr + reg) + #endif /* __SOUND_HDAUDIO_EXT_H */ |