52 строки
2.0 KiB
C
52 строки
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#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_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_configure(struct snd_usb_audio *chip,
|
|
struct snd_usb_endpoint *ep);
|
|
void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep);
|
|
|
|
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,
|
|
void (*prepare)(struct snd_usb_substream *subs,
|
|
struct urb *urb),
|
|
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);
|
|
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_release(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,
|
|
struct snd_urb_ctx *ctx, int idx);
|
|
|
|
#endif /* __USBAUDIO_ENDPOINT_H */
|