linux/sound/firewire/fireface/ff.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * ff.h - a part of driver for RME Fireface series
 *
 * Copyright (c) 2015-2017 Takashi Sakamoto
 */

#ifndef SOUND_FIREFACE_H_INCLUDED
#define SOUND_FIREFACE_H_INCLUDED

#include <linux/device.h>
#include <linux/firewire.h>
#include <linux/firewire-constants.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/compat.h>
#include <linux/sched/signal.h>

#include <sound/core.h>
#include <sound/info.h>
#include <sound/rawmidi.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/hwdep.h>
#include <sound/firewire.h>

#include "../lib.h"
#include "../amdtp-stream.h"
#include "../iso-resources.h"

#define SND_FF_MAXIMIM_MIDI_QUADS …
#define SND_FF_IN_MIDI_PORTS …
#define SND_FF_OUT_MIDI_PORTS …

enum snd_ff_unit_version { … };

enum snd_ff_stream_mode { … };

struct snd_ff_protocol;
struct snd_ff_spec { … };

struct snd_ff { … };

enum snd_ff_clock_src { … };

struct snd_ff_protocol { … };

extern const struct snd_ff_protocol snd_ff_protocol_ff800;
extern const struct snd_ff_protocol snd_ff_protocol_ff400;
extern const struct snd_ff_protocol snd_ff_protocol_latter;

int snd_ff_transaction_register(struct snd_ff *ff);
int snd_ff_transaction_reregister(struct snd_ff *ff);
void snd_ff_transaction_unregister(struct snd_ff *ff);

int amdtp_ff_set_parameters(struct amdtp_stream *s, unsigned int rate,
			    unsigned int pcm_channels);
int amdtp_ff_add_pcm_hw_constraints(struct amdtp_stream *s,
				    struct snd_pcm_runtime *runtime);
int amdtp_ff_init(struct amdtp_stream *s, struct fw_unit *unit,
		  enum amdtp_stream_direction dir);

int snd_ff_stream_get_multiplier_mode(enum cip_sfc sfc,
				      enum snd_ff_stream_mode *mode);
int snd_ff_stream_init_duplex(struct snd_ff *ff);
void snd_ff_stream_destroy_duplex(struct snd_ff *ff);
int snd_ff_stream_reserve_duplex(struct snd_ff *ff, unsigned int rate,
				 unsigned int frames_per_period,
				 unsigned int frames_per_buffer);
int snd_ff_stream_start_duplex(struct snd_ff *ff, unsigned int rate);
void snd_ff_stream_stop_duplex(struct snd_ff *ff);
void snd_ff_stream_update_duplex(struct snd_ff *ff);

void snd_ff_stream_lock_changed(struct snd_ff *ff);
int snd_ff_stream_lock_try(struct snd_ff *ff);
void snd_ff_stream_lock_release(struct snd_ff *ff);

void snd_ff_proc_init(struct snd_ff *ff);
const char *snd_ff_proc_get_clk_label(enum snd_ff_clock_src src);

int snd_ff_create_midi_devices(struct snd_ff *ff);

int snd_ff_create_pcm_devices(struct snd_ff *ff);

int snd_ff_create_hwdep_devices(struct snd_ff *ff);

#endif