motu.h | Explore in Territory

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * motu.h - a part of driver for MOTU FireWire series
 *
 * Copyright (c) 2015-2017 Takashi Sakamoto <[email protected]>
 */

#ifndef SOUND_FIREWIRE_MOTU_H_INCLUDED
#define SOUND_FIREWIRE_MOTU_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/control.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <sound/rawmidi.h>
#include <sound/firewire.h>
#include <sound/hwdep.h>

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

struct snd_motu_packet_format { … };

struct amdtp_motu_cache { … };

struct snd_motu { … };

enum snd_motu_spec_flags { … };

#define SND_MOTU_CLOCK_RATE_COUNT …
extern const unsigned int snd_motu_clock_rates[SND_MOTU_CLOCK_RATE_COUNT];

enum snd_motu_clock_source { … };

enum snd_motu_protocol_version { … };

struct snd_motu_spec { … };

extern const struct snd_motu_spec snd_motu_spec_828;
extern const struct snd_motu_spec snd_motu_spec_896;

extern const struct snd_motu_spec snd_motu_spec_828mk2;
extern const struct snd_motu_spec snd_motu_spec_896hd;
extern const struct snd_motu_spec snd_motu_spec_traveler;
extern const struct snd_motu_spec snd_motu_spec_ultralite;
extern const struct snd_motu_spec snd_motu_spec_8pre;

extern const struct snd_motu_spec snd_motu_spec_828mk3_fw;
extern const struct snd_motu_spec snd_motu_spec_828mk3_hybrid;
extern const struct snd_motu_spec snd_motu_spec_896mk3;
extern const struct snd_motu_spec snd_motu_spec_traveler_mk3;
extern const struct snd_motu_spec snd_motu_spec_ultralite_mk3;
extern const struct snd_motu_spec snd_motu_spec_audio_express;
extern const struct snd_motu_spec snd_motu_spec_track16;
extern const struct snd_motu_spec snd_motu_spec_4pre;

int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit,
		    enum amdtp_stream_direction dir,
		    const struct snd_motu_spec *spec,
		    struct amdtp_motu_cache *cache);
int amdtp_motu_set_parameters(struct amdtp_stream *s, unsigned int rate,
			      unsigned int midi_ports,
			      struct snd_motu_packet_format *formats);
int amdtp_motu_add_pcm_hw_constraints(struct amdtp_stream *s,
				      struct snd_pcm_runtime *runtime);
void amdtp_motu_midi_trigger(struct amdtp_stream *s, unsigned int port,
			     struct snd_rawmidi_substream *midi);

int snd_motu_transaction_read(struct snd_motu *motu, u32 offset, __be32 *reg,
			      size_t size);
int snd_motu_transaction_write(struct snd_motu *motu, u32 offset, __be32 *reg,
			       size_t size);
int snd_motu_transaction_register(struct snd_motu *motu);
int snd_motu_transaction_reregister(struct snd_motu *motu);
void snd_motu_transaction_unregister(struct snd_motu *motu);

int snd_motu_stream_init_duplex(struct snd_motu *motu);
void snd_motu_stream_destroy_duplex(struct snd_motu *motu);
int snd_motu_stream_cache_packet_formats(struct snd_motu *motu);
int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate,
				   unsigned int frames_per_period,
				   unsigned int frames_per_buffer);
int snd_motu_stream_start_duplex(struct snd_motu *motu);
void snd_motu_stream_stop_duplex(struct snd_motu *motu);
int snd_motu_stream_lock_try(struct snd_motu *motu);
void snd_motu_stream_lock_release(struct snd_motu *motu);

void snd_motu_proc_init(struct snd_motu *motu);

int snd_motu_create_pcm_devices(struct snd_motu *motu);

int snd_motu_create_midi_devices(struct snd_motu *motu);

int snd_motu_create_hwdep_device(struct snd_motu *motu);

int snd_motu_protocol_v1_get_clock_rate(struct snd_motu *motu,
					unsigned int *rate);
int snd_motu_protocol_v1_set_clock_rate(struct snd_motu *motu,
					unsigned int rate);
int snd_motu_protocol_v1_get_clock_source(struct snd_motu *motu,
					  enum snd_motu_clock_source *src);
int snd_motu_protocol_v1_switch_fetching_mode(struct snd_motu *motu,
					      bool enable);
int snd_motu_protocol_v1_cache_packet_formats(struct snd_motu *motu);

int snd_motu_protocol_v2_get_clock_rate(struct snd_motu *motu,
					unsigned int *rate);
int snd_motu_protocol_v2_set_clock_rate(struct snd_motu *motu,
					unsigned int rate);
int snd_motu_protocol_v2_get_clock_source(struct snd_motu *motu,
					  enum snd_motu_clock_source *src);
int snd_motu_protocol_v2_switch_fetching_mode(struct snd_motu *motu,
					      bool enable);
int snd_motu_protocol_v2_cache_packet_formats(struct snd_motu *motu);

int snd_motu_protocol_v3_get_clock_rate(struct snd_motu *motu,
					unsigned int *rate);
int snd_motu_protocol_v3_set_clock_rate(struct snd_motu *motu,
					unsigned int rate);
int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu,
					  enum snd_motu_clock_source *src);
int snd_motu_protocol_v3_switch_fetching_mode(struct snd_motu *motu,
					      bool enable);
int snd_motu_protocol_v3_cache_packet_formats(struct snd_motu *motu);

static inline int snd_motu_protocol_get_clock_rate(struct snd_motu *motu,
						   unsigned int *rate)
{ … }

static inline int snd_motu_protocol_set_clock_rate(struct snd_motu *motu,
						   unsigned int rate)
{ … }

static inline int snd_motu_protocol_get_clock_source(struct snd_motu *motu,
					enum snd_motu_clock_source *source)
{ … }

static inline int snd_motu_protocol_switch_fetching_mode(struct snd_motu *motu,
							 bool enable)
{ … }

static inline int snd_motu_protocol_cache_packet_formats(struct snd_motu *motu)
{ … }

int snd_motu_register_dsp_message_parser_new(struct snd_motu *motu);
int snd_motu_register_dsp_message_parser_init(struct snd_motu *motu);
void snd_motu_register_dsp_message_parser_parse(const struct amdtp_stream *s,
					const struct pkt_desc *descs, unsigned int count);
void snd_motu_register_dsp_message_parser_copy_meter(struct snd_motu *motu,
					struct snd_firewire_motu_register_dsp_meter *meter);
void snd_motu_register_dsp_message_parser_copy_parameter(struct snd_motu *motu,
					struct snd_firewire_motu_register_dsp_parameter *params);
unsigned int snd_motu_register_dsp_message_parser_count_event(struct snd_motu *motu);
bool snd_motu_register_dsp_message_parser_copy_event(struct snd_motu *motu, u32 *event);

int snd_motu_command_dsp_message_parser_new(struct snd_motu *motu);
int snd_motu_command_dsp_message_parser_init(struct snd_motu *motu, enum cip_sfc sfc);
void snd_motu_command_dsp_message_parser_parse(const struct amdtp_stream *s,
					const struct pkt_desc *descs, unsigned int count);
void snd_motu_command_dsp_message_parser_copy_meter(struct snd_motu *motu,
					struct snd_firewire_motu_command_dsp_meter *meter);

#endif
linux/sound/firewire/motu/motu.h
