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/*
* digi00x.h - a part of driver for Digidesign Digi 002/003 family
*
* Copyright (c) 2014-2015 Takashi Sakamoto
*
* Licensed under the terms of the GNU General Public License, version 2.
*/
#ifndef SOUND_DIGI00X_H_INCLUDED
#define SOUND_DIGI00X_H_INCLUDED
#include <linux/compat.h>
#include <linux/device.h>
#include <linux/firewire.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/info.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/firewire.h>
#include <sound/hwdep.h>
#include <sound/rawmidi.h>
#include "../lib.h"
#include "../iso-resources.h"
#include "../amdtp-stream.h"
struct snd_dg00x {
struct snd_card *card;
struct fw_unit *unit;
struct mutex mutex;
spinlock_t lock;
struct amdtp_stream tx_stream;
struct fw_iso_resources tx_resources;
struct amdtp_stream rx_stream;
struct fw_iso_resources rx_resources;
unsigned int substreams_counter;
/* for uapi */
int dev_lock_count;
bool dev_lock_changed;
wait_queue_head_t hwdep_wait;
/* For asynchronous messages. */
struct fw_address_handler async_handler;
u32 msg;
/* For asynchronous MIDI controls. */
struct snd_rawmidi_substream *in_control;
struct snd_fw_async_midi_port out_control;
};
#define DG00X_ADDR_BASE 0xffffe0000000ull
#define DG00X_OFFSET_STREAMING_STATE 0x0000
#define DG00X_OFFSET_STREAMING_SET 0x0004
#define DG00X_OFFSET_MIDI_CTL_ADDR 0x0008
/* For LSB of the address 0x000c */
/* unknown 0x0010 */
#define DG00X_OFFSET_MESSAGE_ADDR 0x0014
/* For LSB of the address 0x0018 */
/* unknown 0x001c */
/* unknown 0x0020 */
/* not used 0x0024--0x00ff */
#define DG00X_OFFSET_ISOC_CHANNELS 0x0100
/* unknown 0x0104 */
/* unknown 0x0108 */
/* unknown 0x010c */
#define DG00X_OFFSET_LOCAL_RATE 0x0110
#define DG00X_OFFSET_EXTERNAL_RATE 0x0114
#define DG00X_OFFSET_CLOCK_SOURCE 0x0118
#define DG00X_OFFSET_OPT_IFACE_MODE 0x011c
/* unknown 0x0120 */
/* Mixer control on/off 0x0124 */
/* unknown 0x0128 */
#define DG00X_OFFSET_DETECT_EXTERNAL 0x012c
/* unknown 0x0138 */
#define DG00X_OFFSET_MMC 0x0400
enum snd_dg00x_rate {
SND_DG00X_RATE_44100 = 0,
SND_DG00X_RATE_48000,
SND_DG00X_RATE_88200,
SND_DG00X_RATE_96000,
SND_DG00X_RATE_COUNT,
};
enum snd_dg00x_clock {
SND_DG00X_CLOCK_INTERNAL = 0,
SND_DG00X_CLOCK_SPDIF,
SND_DG00X_CLOCK_ADAT,
SND_DG00X_CLOCK_WORD,
SND_DG00X_CLOCK_COUNT,
};
enum snd_dg00x_optical_mode {
SND_DG00X_OPT_IFACE_MODE_ADAT = 0,
SND_DG00X_OPT_IFACE_MODE_SPDIF,
SND_DG00X_OPT_IFACE_MODE_COUNT,
};
#define DOT_MIDI_IN_PORTS 1
#define DOT_MIDI_OUT_PORTS 2
int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit,
enum amdtp_stream_direction dir);
int amdtp_dot_set_parameters(struct amdtp_stream *s, unsigned int rate,
unsigned int pcm_channels);
void amdtp_dot_reset(struct amdtp_stream *s);
int amdtp_dot_add_pcm_hw_constraints(struct amdtp_stream *s,
struct snd_pcm_runtime *runtime);
void amdtp_dot_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format);
void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port,
struct snd_rawmidi_substream *midi);
int snd_dg00x_transaction_register(struct snd_dg00x *dg00x);
int snd_dg00x_transaction_reregister(struct snd_dg00x *dg00x);
void snd_dg00x_transaction_unregister(struct snd_dg00x *dg00x);
extern const unsigned int snd_dg00x_stream_rates[SND_DG00X_RATE_COUNT];
extern const unsigned int snd_dg00x_stream_pcm_channels[SND_DG00X_RATE_COUNT];
int snd_dg00x_stream_get_external_rate(struct snd_dg00x *dg00x,
unsigned int *rate);
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_init_duplex(struct snd_dg00x *dg00x);
int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x, unsigned int rate);
void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x);
void snd_dg00x_stream_update_duplex(struct snd_dg00x *dg00x);
void snd_dg00x_stream_destroy_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);
void snd_dg00x_proc_init(struct snd_dg00x *dg00x);
int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x);
int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x);
int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x);
#endif
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