linux/sound/firewire/digi00x/digi00x-stream.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * digi00x-stream.c - a part of driver for Digidesign Digi 002/003 family
 *
 * Copyright (c) 2014-2015 Takashi Sakamoto
 */

#include "digi00x.h"

#define READY_TIMEOUT_MS …

const unsigned int snd_dg00x_stream_rates[SND_DG00X_RATE_COUNT] = …;

/* Multi Bit Linear Audio data channels for each sampling transfer frequency. */
const unsigned int
snd_dg00x_stream_pcm_channels[SND_DG00X_RATE_COUNT] = …;

int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x, unsigned int *rate)
{ … }

int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate)
{ … }

int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x,
			       enum snd_dg00x_clock *clock)
{ … }

int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x, bool *detect)
{ … }

int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x,
				       unsigned int *rate)
{ … }

static void finish_session(struct snd_dg00x *dg00x)
{ … }

static int begin_session(struct snd_dg00x *dg00x)
{ … }

static int keep_resources(struct snd_dg00x *dg00x, struct amdtp_stream *stream,
			  unsigned int rate)
{ … }

static int init_stream(struct snd_dg00x *dg00x, struct amdtp_stream *s)
{ … }

static void destroy_stream(struct snd_dg00x *dg00x, struct amdtp_stream *s)
{ … }

int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x)
{ … }

/*
 * This function should be called before starting streams or after stopping
 * streams.
 */
void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x)
{ … }

int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate,
				    unsigned int frames_per_period,
				    unsigned int frames_per_buffer)
{ … }

int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x)
{ … }

void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x)
{ … }

void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x)
{ … }

void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x)
{ … }

int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x)
{ … }

void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x)
{ … }