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38 lines
1.4 KiB
38 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __USBAUDIO_ENDPOINT_H |
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#define __USBAUDIO_ENDPOINT_H |
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#define SND_USB_ENDPOINT_TYPE_DATA 0 |
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#define SND_USB_ENDPOINT_TYPE_SYNC 1 |
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struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, |
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struct usb_host_interface *alts, |
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int ep_num, int direction, int type); |
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int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, |
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snd_pcm_format_t pcm_format, |
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unsigned int channels, |
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unsigned int period_bytes, |
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unsigned int period_frames, |
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unsigned int buffer_periods, |
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unsigned int rate, |
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struct audioformat *fmt, |
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struct snd_usb_endpoint *sync_ep); |
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int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); |
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int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_free(struct snd_usb_endpoint *ep); |
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int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); |
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int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep); |
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int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep); |
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void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, |
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struct snd_usb_endpoint *sender, |
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const struct urb *urb); |
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#endif /* __USBAUDIO_ENDPOINT_H */
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