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); |
8fdff6a3 | 47 | int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); |
92a586bd | 48 | void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); |
00272c61 | 49 | void snd_usb_endpoint_free_all(struct snd_usb_audio *chip); |
8fdff6a3 | 50 | |
98ae472b | 51 | int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); |
3d58760f | 52 | int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep, |
d215f63d TI |
53 | struct snd_urb_ctx *ctx, int idx, |
54 | unsigned int avail); | |
8c721c53 TI |
55 | int snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, |
56 | bool in_stream_lock); | |
8fdff6a3 | 57 | |
e5779998 | 58 | #endif /* __USBAUDIO_ENDPOINT_H */ |