160 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			160 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * digi00x.h - a part of driver for Digidesign Digi 002/003 family
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|  *
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|  * Copyright (c) 2014-2015 Takashi Sakamoto
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|  *
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|  * Licensed under the terms of the GNU General Public License, version 2.
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|  */
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| 
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| #ifndef SOUND_DIGI00X_H_INCLUDED
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| #define SOUND_DIGI00X_H_INCLUDED
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| 
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| #include <linux/compat.h>
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| #include <linux/device.h>
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| #include <linux/firewire.h>
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| #include <linux/module.h>
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| #include <linux/mod_devicetable.h>
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| #include <linux/delay.h>
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| #include <linux/slab.h>
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| #include <linux/sched/signal.h>
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| 
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| #include <sound/core.h>
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| #include <sound/initval.h>
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| #include <sound/info.h>
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| #include <sound/pcm.h>
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| #include <sound/pcm_params.h>
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| #include <sound/firewire.h>
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| #include <sound/hwdep.h>
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| #include <sound/rawmidi.h>
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| 
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| #include "../lib.h"
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| #include "../iso-resources.h"
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| #include "../amdtp-stream.h"
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| 
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| struct snd_dg00x {
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| 	struct snd_card *card;
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| 	struct fw_unit *unit;
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| 
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| 	struct mutex mutex;
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| 	spinlock_t lock;
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| 
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| 	bool registered;
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| 	struct delayed_work dwork;
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| 
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| 	struct amdtp_stream tx_stream;
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| 	struct fw_iso_resources tx_resources;
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| 
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| 	struct amdtp_stream rx_stream;
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| 	struct fw_iso_resources rx_resources;
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| 
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| 	unsigned int substreams_counter;
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| 
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| 	/* for uapi */
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| 	int dev_lock_count;
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| 	bool dev_lock_changed;
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| 	wait_queue_head_t hwdep_wait;
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| 
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| 	/* For asynchronous messages. */
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| 	struct fw_address_handler async_handler;
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| 	u32 msg;
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| 
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| 	/* Console models have additional MIDI ports for control surface. */
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| 	bool is_console;
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| };
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| 
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| #define DG00X_ADDR_BASE		0xffffe0000000ull
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| 
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| #define DG00X_OFFSET_STREAMING_STATE	0x0000
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| #define DG00X_OFFSET_STREAMING_SET	0x0004
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| /* unknown but address in host space	0x0008 */
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| /* For LSB of the address		0x000c */
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| /* unknown				0x0010 */
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| #define DG00X_OFFSET_MESSAGE_ADDR	0x0014
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| /* For LSB of the address		0x0018 */
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| /* unknown				0x001c */
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| /* unknown				0x0020 */
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| /* not used			0x0024--0x00ff */
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| #define DG00X_OFFSET_ISOC_CHANNELS	0x0100
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| /* unknown				0x0104 */
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| /* unknown				0x0108 */
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| /* unknown				0x010c */
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| #define DG00X_OFFSET_LOCAL_RATE		0x0110
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| #define DG00X_OFFSET_EXTERNAL_RATE	0x0114
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| #define DG00X_OFFSET_CLOCK_SOURCE	0x0118
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| #define DG00X_OFFSET_OPT_IFACE_MODE	0x011c
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| /* unknown				0x0120 */
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| /* Mixer control on/off			0x0124 */
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| /* unknown				0x0128 */
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| #define DG00X_OFFSET_DETECT_EXTERNAL	0x012c
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| /* unknown				0x0138 */
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| #define DG00X_OFFSET_MMC		0x0400
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| 
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| enum snd_dg00x_rate {
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| 	SND_DG00X_RATE_44100 = 0,
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| 	SND_DG00X_RATE_48000,
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| 	SND_DG00X_RATE_88200,
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| 	SND_DG00X_RATE_96000,
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| 	SND_DG00X_RATE_COUNT,
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| };
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| 
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| enum snd_dg00x_clock {
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| 	SND_DG00X_CLOCK_INTERNAL = 0,
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| 	SND_DG00X_CLOCK_SPDIF,
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| 	SND_DG00X_CLOCK_ADAT,
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| 	SND_DG00X_CLOCK_WORD,
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| 	SND_DG00X_CLOCK_COUNT,
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| };
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| 
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| enum snd_dg00x_optical_mode {
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| 	SND_DG00X_OPT_IFACE_MODE_ADAT = 0,
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| 	SND_DG00X_OPT_IFACE_MODE_SPDIF,
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| 	SND_DG00X_OPT_IFACE_MODE_COUNT,
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| };
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| 
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| #define DOT_MIDI_IN_PORTS	1
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| #define DOT_MIDI_OUT_PORTS	2
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| 
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| int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit,
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| 		   enum amdtp_stream_direction dir);
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| int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate,
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| 			     unsigned int pcm_channels);
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| void amdtp_dot_reset(struct amdtp_stream *s);
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| int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s,
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| 				     struct snd_pcm_runtime *runtime);
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| void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port,
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| 			  struct snd_rawmidi_substream *midi);
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| 
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| int snd_dg00x_transaction_register(struct snd_dg00x *dg00x);
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| int snd_dg00x_transaction_reregister(struct snd_dg00x *dg00x);
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| void snd_dg00x_transaction_unregister(struct snd_dg00x *dg00x);
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| 
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| extern const unsigned int snd_dg00x_stream_rates[SND_DG00X_RATE_COUNT];
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| extern const unsigned int snd_dg00x_stream_pcm_channels[SND_DG00X_RATE_COUNT];
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| int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x,
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| 				       unsigned int *rate);
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| int snd_dg00x_stream_get_local_rate(struct snd_dg00x *dg00x,
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| 				    unsigned int *rate);
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| int snd_dg00x_stream_set_local_rate(struct snd_dg00x *dg00x, unsigned int rate);
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| int snd_dg00x_stream_get_clock(struct snd_dg00x *dg00x,
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| 			       enum snd_dg00x_clock *clock);
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| int snd_dg00x_stream_check_external_clock(struct snd_dg00x *dg00x,
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| 					  bool *detect);
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| int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x);
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| int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x, unsigned int rate);
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| void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x);
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| void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x);
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| void snd_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x);
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| 
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| void snd_dg00x_stream_lock_changed(struct snd_dg00x *dg00x);
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| int snd_dg00x_stream_lock_try(struct snd_dg00x *dg00x);
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| void snd_dg00x_stream_lock_release(struct snd_dg00x *dg00x);
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| 
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| void snd_dg00x_proc_init(struct snd_dg00x *dg00x);
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| 
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| int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x);
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| 
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| int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x);
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| 
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| int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x);
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| #endif
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