From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- sound/usb/endpoint.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 sound/usb/endpoint.h (limited to 'sound/usb/endpoint.h') diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h new file mode 100644 index 000000000..d23fa0a8c --- /dev/null +++ b/sound/usb/endpoint.h @@ -0,0 +1,38 @@ +/* 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_add_endpoint(struct snd_usb_audio *chip, + struct usb_host_interface *alts, + int ep_num, int direction, int type); + +int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, + snd_pcm_format_t pcm_format, + unsigned int channels, + unsigned int period_bytes, + unsigned int period_frames, + unsigned int buffer_periods, + unsigned int rate, + struct audioformat *fmt, + struct snd_usb_endpoint *sync_ep); + +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); +int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); +void snd_usb_endpoint_free(struct snd_usb_endpoint *ep); + +int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); +int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep); +int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep); + +void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, + struct snd_usb_endpoint *sender, + const struct urb *urb); + +#endif /* __USBAUDIO_ENDPOINT_H */ -- cgit v1.2.3