1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2e5779998SDaniel Mack #ifndef __USBAUDIO_ENDPOINT_H 3e5779998SDaniel Mack #define __USBAUDIO_ENDPOINT_H 4e5779998SDaniel Mack 58fdff6a3SDaniel Mack #define SND_USB_ENDPOINT_TYPE_DATA 0 68fdff6a3SDaniel Mack #define SND_USB_ENDPOINT_TYPE_SYNC 1 78fdff6a3SDaniel Mack 8c7474d09STakashi Iwai struct snd_usb_endpoint *snd_usb_get_endpoint(struct snd_usb_audio *chip, 9*54cb3190STakashi Iwai int ep_num); 10c7474d09STakashi Iwai 11*54cb3190STakashi Iwai int snd_usb_add_endpoint(struct snd_usb_audio *chip, int ep_num, int type); 128fdff6a3SDaniel Mack 138fdff6a3SDaniel Mack int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, 1435ec7aa2SDylan Reid snd_pcm_format_t pcm_format, 1535ec7aa2SDylan Reid unsigned int channels, 1635ec7aa2SDylan Reid unsigned int period_bytes, 17976b6c06SAlan Stern unsigned int period_frames, 18976b6c06SAlan Stern unsigned int buffer_periods, 1935ec7aa2SDylan Reid unsigned int rate, 208fdff6a3SDaniel Mack struct audioformat *fmt, 218fdff6a3SDaniel Mack struct snd_usb_endpoint *sync_ep); 228fdff6a3SDaniel Mack 231d0f9530SIoan-Adrian Ratiu int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); 24b2eb950dSTakashi Iwai void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep); 25f58161baSTakashi Iwai void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); 268fdff6a3SDaniel Mack int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); 279b7c552bSEldad Zack void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); 2892a586bdSTakashi Iwai void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); 29a6cece9dSTakashi Iwai void snd_usb_endpoint_free(struct snd_usb_endpoint *ep); 308fdff6a3SDaniel Mack 3198ae472bSEldad Zack int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); 32f0bd62b6SAlexander Tsoy int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep); 33245baf98SDaniel Mack int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep); 34*54cb3190STakashi Iwai void snd_usb_endpoint_set_syncinterval(struct snd_usb_audio *chip, 35*54cb3190STakashi Iwai struct snd_usb_endpoint *ep, 36*54cb3190STakashi Iwai struct usb_host_interface *alts); 378fdff6a3SDaniel Mack 388fdff6a3SDaniel Mack void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep, 398fdff6a3SDaniel Mack struct snd_usb_endpoint *sender, 408fdff6a3SDaniel Mack const struct urb *urb); 418fdff6a3SDaniel Mack 42e5779998SDaniel Mack #endif /* __USBAUDIO_ENDPOINT_H */ 43