projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| e5779998 DM |
2 | #ifndef __USBAUDIO_ENDPOINT_H |
| 3 | #define __USBAUDIO_ENDPOINT_H | |
| 4 | ||
| 8fdff6a3 DM |
5 | #define SND_USB_ENDPOINT_TYPE_DATA 0 |
| 6 | #define SND_USB_ENDPOINT_TYPE_SYNC 1 | |
| 7 | ||
| 8 | struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, | |
| 9 | struct usb_host_interface *alts, | |
| 10 | int ep_num, int direction, int type); | |
| 11 | ||
| 12 | int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, | |
| 35ec7aa2 DR |
13 | snd_pcm_format_t pcm_format, |
| 14 | unsigned int channels, | |
| 15 | unsigned int period_bytes, | |
| 976b6c06 AS |
16 | unsigned int period_frames, |
| 17 | unsigned int buffer_periods, | |
| 35ec7aa2 | 18 | unsigned int rate, |
| 8fdff6a3 DM |
19 | struct audioformat *fmt, |
| 20 | struct snd_usb_endpoint *sync_ep); | |
| 21 | ||
| 1d0f9530 | 22 | int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); |
| b2eb950d | 23 | void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep); |
| f58161ba | 24 | void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); |
| 8fdff6a3 | 25 | int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); |
| 9b7c552b | 26 | void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); |
| 92a586bd | 27 | void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); |
| a6cece9d | 28 | void snd_usb_endpoint_free(struct snd_usb_endpoint *ep); |
| 8fdff6a3 | 29 | |
| 98ae472b | 30 | int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); |
| 245baf98 | 31 | int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep); |
| 8fdff6a3 DM |
32 | |
| 33 | void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, | |
| 34 | struct snd_usb_endpoint *sender, | |
| 35 | const struct urb *urb); | |
| 36 | ||
| e5779998 | 37 | #endif /* __USBAUDIO_ENDPOINT_H */ |