diff options
Diffstat (limited to 'sound/xen/xen_snd_front.h')
| -rw-r--r-- | sound/xen/xen_snd_front.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/xen/xen_snd_front.h b/sound/xen/xen_snd_front.h index 9d0c92100c7b..a2ea2463bcc5 100644 --- a/sound/xen/xen_snd_front.h +++ b/sound/xen/xen_snd_front.h @@ -13,15 +13,42 @@ #include "xen_snd_front_cfg.h" +struct xen_snd_front_card_info; +struct xen_snd_front_evtchnl; struct xen_snd_front_evtchnl_pair; +struct xen_snd_front_shbuf; +struct xensnd_query_hw_param; struct xen_snd_front_info { struct xenbus_device *xb_dev; + struct xen_snd_front_card_info *card_info; + int num_evt_pairs; struct xen_snd_front_evtchnl_pair *evt_pairs; struct xen_front_cfg_card cfg; }; +int xen_snd_front_stream_query_hw_param(struct xen_snd_front_evtchnl *evtchnl, + struct xensnd_query_hw_param *hw_param_req, + struct xensnd_query_hw_param *hw_param_resp); + +int xen_snd_front_stream_prepare(struct xen_snd_front_evtchnl *evtchnl, + struct xen_snd_front_shbuf *sh_buf, + u8 format, unsigned int channels, + unsigned int rate, u32 buffer_sz, + u32 period_sz); + +int xen_snd_front_stream_close(struct xen_snd_front_evtchnl *evtchnl); + +int xen_snd_front_stream_write(struct xen_snd_front_evtchnl *evtchnl, + unsigned long pos, unsigned long count); + +int xen_snd_front_stream_read(struct xen_snd_front_evtchnl *evtchnl, + unsigned long pos, unsigned long count); + +int xen_snd_front_stream_trigger(struct xen_snd_front_evtchnl *evtchnl, + int type); + #endif /* __XEN_SND_FRONT_H */ |