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51 lines
2.0 KiB
51 lines
2.0 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_get_endpoint(struct snd_usb_audio *chip, |
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int ep_num); |
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int snd_usb_add_endpoint(struct snd_usb_audio *chip, int ep_num, int type); |
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struct snd_usb_endpoint * |
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snd_usb_endpoint_open(struct snd_usb_audio *chip, |
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const struct audioformat *fp, |
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const struct snd_pcm_hw_params *params, |
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bool is_sync_ep); |
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void snd_usb_endpoint_close(struct snd_usb_audio *chip, |
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struct snd_usb_endpoint *ep); |
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int snd_usb_endpoint_configure(struct snd_usb_audio *chip, |
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struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep); |
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bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip, |
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struct snd_usb_endpoint *ep, |
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const struct audioformat *fp, |
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const struct snd_pcm_hw_params *params); |
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void snd_usb_endpoint_set_sync(struct snd_usb_audio *chip, |
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struct snd_usb_endpoint *data_ep, |
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struct snd_usb_endpoint *sync_ep); |
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void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep, |
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void (*prepare)(struct snd_usb_substream *subs, |
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struct urb *urb), |
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void (*retire)(struct snd_usb_substream *subs, |
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struct urb *urb), |
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struct snd_usb_substream *data_subs); |
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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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void snd_usb_endpoint_suspend(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_release(struct snd_usb_endpoint *ep); |
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void snd_usb_endpoint_free_all(struct snd_usb_audio *chip); |
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int snd_usb_endpoint_implicit_feedback_sink(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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struct snd_urb_ctx *ctx, int idx); |
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#endif /* __USBAUDIO_ENDPOINT_H */
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