[deliverable/linux.git] / sound / usb / endpoint.h

#ifndef __USBAUDIO_ENDPOINT_H
#define __USBAUDIO_ENDPOINT_H

#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,
				struct snd_pcm_hw_params *hw_params,
				struct audioformat *fmt,
				struct snd_usb_endpoint *sync_ep);

int  snd_usb_endpoint_start(struct snd_usb_endpoint *ep, int can_sleep);
void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
			   int force, int can_sleep, int wait);
int  snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
int  snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_free(struct list_head *head);

int snd_usb_endpoint_implict_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);

#endif /* __USBAUDIO_ENDPOINT_H */
Commit	Line	Data
e5779998 DM	1	#ifndef __USBAUDIO_ENDPOINT_H
	2	#define __USBAUDIO_ENDPOINT_H
	3
8fdff6a3 DM	4	#define SND_USB_ENDPOINT_TYPE_DATA 0
	5	#define SND_USB_ENDPOINT_TYPE_SYNC 1
	6
	7	struct snd_usb_endpoint snd_usb_add_endpoint(struct snd_usb_audio chip,
	8	struct usb_host_interface *alts,
	9	int ep_num, int direction, int type);
	10
	11	int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
	12	struct snd_pcm_hw_params *hw_params,
	13	struct audioformat *fmt,
	14	struct snd_usb_endpoint *sync_ep);
	15
015618b9	16	int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, int can_sleep);
8fdff6a3 DM	17	void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep,
	18	int force, int can_sleep, int wait);
	19	int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
	20	int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
	21	void snd_usb_endpoint_free(struct list_head *head);
	22
	23	int snd_usb_endpoint_implict_feedback_sink(struct snd_usb_endpoint *ep);
245baf98	24	int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep);
8fdff6a3 DM	25
	26	void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
	27	struct snd_usb_endpoint *sender,
	28	const struct urb *urb);
	29
e5779998	30	#endif /* __USBAUDIO_ENDPOINT_H */