diff options
Diffstat (limited to '')
| -rw-r--r-- | sound/usb/endpoint.h | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h index 63a39d4fa8d8..e67ea28faa54 100644 --- a/sound/usb/endpoint.h +++ b/sound/usb/endpoint.h @@ -5,33 +5,53 @@ #define SND_USB_ENDPOINT_TYPE_DATA 0 #define SND_USB_ENDPOINT_TYPE_SYNC 1 -struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, - struct usb_host_interface *alts, - int ep_num, int direction, int type); - -int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, - snd_pcm_format_t pcm_format, - unsigned int channels, - unsigned int period_bytes, - unsigned int period_frames, - unsigned int buffer_periods, - unsigned int rate, - struct audioformat *fmt, - struct snd_usb_endpoint *sync_ep); - -int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); -void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep); +struct snd_usb_endpoint *snd_usb_get_endpoint(struct snd_usb_audio *chip, + int ep_num); + +int snd_usb_add_endpoint(struct snd_usb_audio *chip, int ep_num, int type); + +struct snd_usb_endpoint * +snd_usb_endpoint_open(struct snd_usb_audio *chip, + const struct audioformat *fp, + const struct snd_pcm_hw_params *params, + bool is_sync_ep); +void snd_usb_endpoint_close(struct snd_usb_audio *chip, + struct snd_usb_endpoint *ep); +int snd_usb_endpoint_set_params(struct snd_usb_audio *chip, + struct snd_usb_endpoint *ep); +int snd_usb_endpoint_prepare(struct snd_usb_audio *chip, + struct snd_usb_endpoint *ep); +int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock); + +bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip, + struct snd_usb_endpoint *ep, + const struct audioformat *fp, + const struct snd_pcm_hw_params *params); + +void snd_usb_endpoint_set_sync(struct snd_usb_audio *chip, + struct snd_usb_endpoint *data_ep, + struct snd_usb_endpoint *sync_ep); +void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep, + int (*prepare)(struct snd_usb_substream *subs, + struct urb *urb, + bool in_stream_lock), + void (*retire)(struct snd_usb_substream *subs, + struct urb *urb), + struct snd_usb_substream *data_subs); + +int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, bool keep_pending); void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep); int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); -void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); -void snd_usb_endpoint_free(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_free_all(struct snd_usb_audio *chip); int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); -int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep); - -void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, - struct snd_usb_endpoint *sender, - const struct urb *urb); +int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep, + struct snd_urb_ctx *ctx, int idx, + unsigned int avail); +void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, + bool in_stream_lock); #endif /* __USBAUDIO_ENDPOINT_H */ |