projects / linux-block.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 | ||
| c7474d09 | 8 | struct snd_usb_endpoint *snd_usb_get_endpoint(struct snd_usb_audio *chip, |
| 54cb3190 | 9 | int ep_num); |
| c7474d09 | 10 | |
| 54cb3190 | 11 | int snd_usb_add_endpoint(struct snd_usb_audio *chip, int ep_num, int type); |
| 8fdff6a3 | 12 | |
| bf6313a0 TI |
13 | struct snd_usb_endpoint * |
| 14 | snd_usb_endpoint_open(struct snd_usb_audio *chip, | |
| cab941b7 | 15 | const struct audioformat *fp, |
| bf6313a0 | 16 | const struct snd_pcm_hw_params *params, |
| fd28941c JK |
17 | bool is_sync_ep, |
| 18 | bool fixed_rate); | |
| bf6313a0 TI |
19 | void snd_usb_endpoint_close(struct snd_usb_audio *chip, |
| 20 | struct snd_usb_endpoint *ep); | |
| 2be79d58 TI |
21 | int snd_usb_endpoint_set_params(struct snd_usb_audio *chip, |
| 22 | struct snd_usb_endpoint *ep); | |
| 23 | int snd_usb_endpoint_prepare(struct snd_usb_audio *chip, | |
| 24 | struct snd_usb_endpoint *ep); | |
| 4e7cf1fb | 25 | int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock); |
| bf6313a0 TI |
26 | |
| 27 | bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip, | |
| 28 | struct snd_usb_endpoint *ep, | |
| 29 | const struct audioformat *fp, | |
| 30 | const struct snd_pcm_hw_params *params); | |
| 31 | ||
| 32 | void snd_usb_endpoint_set_sync(struct snd_usb_audio *chip, | |
| 33 | struct snd_usb_endpoint *data_ep, | |
| 34 | struct snd_usb_endpoint *sync_ep); | |
| 96e221f3 | 35 | void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep, |
| d5f871f8 TI |
36 | int (*prepare)(struct snd_usb_substream *subs, |
| 37 | struct urb *urb, | |
| 38 | bool in_stream_lock), | |
| 96e221f3 TI |
39 | void (*retire)(struct snd_usb_substream *subs, |
| 40 | struct urb *urb), | |
| 41 | struct snd_usb_substream *data_subs); | |
| 42 | ||
| bf6313a0 | 43 | int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); |
| 813a17ca | 44 | void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, bool keep_pending); |
| f58161ba | 45 | void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); |
| bf6313a0 | 46 | void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep); |
| 92a586bd | 47 | void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); |
| 00272c61 | 48 | void snd_usb_endpoint_free_all(struct snd_usb_audio *chip); |
| 8fdff6a3 | 49 | |
| 98ae472b | 50 | int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); |
| 3d58760f | 51 | int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep, |
| d215f63d TI |
52 | struct snd_urb_ctx *ctx, int idx, |
| 53 | unsigned int avail); | |
| 8c721c53 TI |
54 | int snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, |
| 55 | bool in_stream_lock); | |
| 8fdff6a3 | 56 | |
| e5779998 | 57 | #endif /* __USBAUDIO_ENDPOINT_H */ |