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, 954cb3190STakashi Iwai int ep_num); 10c7474d09STakashi Iwai 1154cb3190STakashi Iwai int snd_usb_add_endpoint(struct snd_usb_audio *chip, int ep_num, int type); 128fdff6a3SDaniel Mack 13bf6313a0STakashi Iwai struct snd_usb_endpoint * 14bf6313a0STakashi Iwai snd_usb_endpoint_open(struct snd_usb_audio *chip, 15cab941b7STakashi Iwai const struct audioformat *fp, 16bf6313a0STakashi Iwai const struct snd_pcm_hw_params *params, 17fd28941cSJaroslav Kysela bool is_sync_ep, 18fd28941cSJaroslav Kysela bool fixed_rate); 19bf6313a0STakashi Iwai void snd_usb_endpoint_close(struct snd_usb_audio *chip, 20bf6313a0STakashi Iwai struct snd_usb_endpoint *ep); 212be79d58STakashi Iwai int snd_usb_endpoint_set_params(struct snd_usb_audio *chip, 222be79d58STakashi Iwai struct snd_usb_endpoint *ep); 232be79d58STakashi Iwai int snd_usb_endpoint_prepare(struct snd_usb_audio *chip, 24bf6313a0STakashi Iwai struct snd_usb_endpoint *ep); 254e7cf1fbSTakashi Iwai int snd_usb_endpoint_get_clock_rate(struct snd_usb_audio *chip, int clock); 268fdff6a3SDaniel Mack 27bf6313a0STakashi Iwai bool snd_usb_endpoint_compatible(struct snd_usb_audio *chip, 28bf6313a0STakashi Iwai struct snd_usb_endpoint *ep, 29bf6313a0STakashi Iwai const struct audioformat *fp, 30bf6313a0STakashi Iwai const struct snd_pcm_hw_params *params); 31bf6313a0STakashi Iwai 32bf6313a0STakashi Iwai void snd_usb_endpoint_set_sync(struct snd_usb_audio *chip, 33bf6313a0STakashi Iwai struct snd_usb_endpoint *data_ep, 34bf6313a0STakashi Iwai struct snd_usb_endpoint *sync_ep); 3596e221f3STakashi Iwai void snd_usb_endpoint_set_callback(struct snd_usb_endpoint *ep, 36d5f871f8STakashi Iwai int (*prepare)(struct snd_usb_substream *subs, 37d5f871f8STakashi Iwai struct urb *urb, 38d5f871f8STakashi Iwai bool in_stream_lock), 3996e221f3STakashi Iwai void (*retire)(struct snd_usb_substream *subs, 4096e221f3STakashi Iwai struct urb *urb), 4196e221f3STakashi Iwai struct snd_usb_substream *data_subs); 4296e221f3STakashi Iwai 431d0f9530SIoan-Adrian Ratiu int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); 44813a17caSTakashi Iwai void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, bool keep_pending); 45f58161baSTakashi Iwai void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); 46bf6313a0STakashi Iwai void snd_usb_endpoint_suspend(struct snd_usb_endpoint *ep); 4792a586bdSTakashi Iwai void snd_usb_endpoint_release(struct snd_usb_endpoint *ep); 4800272c61STakashi Iwai void snd_usb_endpoint_free_all(struct snd_usb_audio *chip); 498fdff6a3SDaniel Mack 5098ae472bSEldad Zack int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep); 513d58760fSTakashi Iwai int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep, 52d215f63dSTakashi Iwai struct snd_urb_ctx *ctx, int idx, 53d215f63dSTakashi Iwai unsigned int avail); 54*8c721c53STakashi Iwai int snd_usb_queue_pending_output_urbs(struct snd_usb_endpoint *ep, 55d5f871f8STakashi Iwai bool in_stream_lock); 568fdff6a3SDaniel Mack 57e5779998SDaniel Mack #endif /* __USBAUDIO_ENDPOINT_H */ 58