| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Daniel Mack | e577999 | 2010-03-04 19:46:13 +0100 | [diff] [blame] | 2 | #ifndef __USBAUDIO_ENDPOINT_H |
| 3 | #define __USBAUDIO_ENDPOINT_H |
| 4 | |
| Daniel Mack | 8fdff6a | 2012-04-12 13:51:11 +0200 | [diff] [blame] | 5 | #define SND_USB_ENDPOINT_TYPE_DATA 0 |
| 6 | #define SND_USB_ENDPOINT_TYPE_SYNC 1 |
| 7 | |
| Takashi Iwai | c7474d0 | 2020-11-23 09:53:11 +0100 | [diff] [blame] | 8 | struct snd_usb_endpoint *snd_usb_get_endpoint(struct snd_usb_audio *chip, |
| Takashi Iwai | 54cb319 | 2020-11-23 09:53:20 +0100 | [diff] [blame] | 9 | int ep_num); |
| Takashi Iwai | c7474d0 | 2020-11-23 09:53:11 +0100 | [diff] [blame] | 10 | |
| Takashi Iwai | 54cb319 | 2020-11-23 09:53:20 +0100 | [diff] [blame] | 11 | int snd_usb_add_endpoint(struct snd_usb_audio *chip, int ep_num, int type); |
| Daniel Mack | 8fdff6a | 2012-04-12 13:51:11 +0200 | [diff] [blame] | 12 | |
| Takashi Iwai | bf6313a | 2020-11-23 09:53:31 +0100 | [diff] [blame] | 13 | struct snd_usb_endpoint * |
| 14 | snd_usb_endpoint_open(struct snd_usb_audio *chip, |
| Takashi Iwai | cab941b | 2020-11-23 09:53:33 +0100 | [diff] [blame] | 15 | const struct audioformat *fp, |
| Takashi Iwai | bf6313a | 2020-11-23 09:53:31 +0100 | [diff] [blame] | 16 | const struct snd_pcm_hw_params *params, |
| 17 | bool is_sync_ep); |
| 18 | void snd_usb_endpoint_close(struct snd_usb_audio *chip, |
| 19 | struct snd_usb_endpoint *ep); |
| 20 | int snd_usb_endpoint_configure(struct snd_usb_audio *chip, |
| 21 | struct snd_usb_endpoint *ep); |
| Takashi Iwai | 4e7cf1f | 2021-09-29 10:08:36 +0200 | [diff] [blame] | 22 | int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock); |
| Daniel Mack | 8fdff6a | 2012-04-12 13:51:11 +0200 | [diff] [blame] | 23 | |
| Takashi Iwai | bf6313a | 2020-11-23 09:53:31 +0100 | [diff] [blame] | 24 | bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip, |
| 25 | struct snd_usb_endpoint *ep, |
| 26 | const struct audioformat *fp, |
| 27 | const struct snd_pcm_hw_params *params); |
| 28 | |
| 29 | void snd_usb_endpoint_set_sync(struct snd_usb_audio *chip, |
| 30 | struct snd_usb_endpoint *data_ep, |
| 31 | struct snd_usb_endpoint *sync_ep); |
| Takashi Iwai | 96e221f | 2020-11-23 09:53:28 +0100 | [diff] [blame] | 32 | void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep, |
| Takashi Iwai | d5f871f | 2021-09-29 10:08:43 +0200 | [diff] [blame] | 33 | int (*prepare)(struct snd_usb_substream *subs, |
| 34 | struct urb *urb, |
| 35 | bool in_stream_lock), |
| Takashi Iwai | 96e221f | 2020-11-23 09:53:28 +0100 | [diff] [blame] | 36 | void (*retire)(struct snd_usb_substream *subs, |
| 37 | struct urb *urb), |
| 38 | struct snd_usb_substream *data_subs); |
| 39 | |
| Takashi Iwai | bf6313a | 2020-11-23 09:53:31 +0100 | [diff] [blame] | 40 | int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); |
| Takashi Iwai | 813a17c | 2021-09-29 10:08:44 +0200 | [diff] [blame] | 41 | void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, bool keep_pending); |
| Takashi Iwai | f58161b | 2012-11-08 08:52:45 +0100 | [diff] [blame] | 42 | void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); |
| Takashi Iwai | bf6313a | 2020-11-23 09:53:31 +0100 | [diff] [blame] | 43 | void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep); |
| Daniel Mack | 8fdff6a | 2012-04-12 13:51:11 +0200 | [diff] [blame] | 44 | int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); |
| Takashi Iwai | 92a586b | 2014-06-25 14:24:47 +0200 | [diff] [blame] | 45 | void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); |
| Takashi Iwai | 00272c6 | 2021-01-08 08:52:17 +0100 | [diff] [blame] | 46 | void snd_usb_endpoint_free_all(struct snd_usb_audio *chip); |
| Daniel Mack | 8fdff6a | 2012-04-12 13:51:11 +0200 | [diff] [blame] | 47 | |
| Eldad Zack | 98ae472 | 2013-04-03 23:18:52 +0200 | [diff] [blame] | 48 | int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); |
| Takashi Iwai | 3d58760 | 2020-11-23 09:53:37 +0100 | [diff] [blame] | 49 | int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep, |
| Takashi Iwai | d215f63 | 2021-09-29 10:08:41 +0200 | [diff] [blame] | 50 | struct snd_urb_ctx *ctx, int idx, |
| 51 | unsigned int avail); |
| Takashi Iwai | d5f871f | 2021-09-29 10:08:43 +0200 | [diff] [blame] | 52 | void snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, |
| 53 | bool in_stream_lock); |
| Daniel Mack | 8fdff6a | 2012-04-12 13:51:11 +0200 | [diff] [blame] | 54 | |
| Daniel Mack | e577999 | 2010-03-04 19:46:13 +0100 | [diff] [blame] | 55 | #endif /* __USBAUDIO_ENDPOINT_H */ |