147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/*
|
|
* ff.h - a part of driver for RME Fireface series
|
|
*
|
|
* Copyright (c) 2015-2017 Takashi Sakamoto
|
|
*
|
|
* Licensed under the terms of the GNU General Public License, version 2.
|
|
*/
|
|
|
|
#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_STREAM_MODES 3
|
|
|
|
#define SND_FF_MAXIMIM_MIDI_QUADS 9
|
|
#define SND_FF_IN_MIDI_PORTS 2
|
|
#define SND_FF_OUT_MIDI_PORTS 2
|
|
|
|
struct snd_ff_protocol;
|
|
struct snd_ff_spec {
|
|
const char *const name;
|
|
|
|
const unsigned int pcm_capture_channels[SND_FF_STREAM_MODES];
|
|
const unsigned int pcm_playback_channels[SND_FF_STREAM_MODES];
|
|
|
|
unsigned int midi_in_ports;
|
|
unsigned int midi_out_ports;
|
|
|
|
struct snd_ff_protocol *protocol;
|
|
};
|
|
|
|
struct snd_ff {
|
|
struct snd_card *card;
|
|
struct fw_unit *unit;
|
|
struct mutex mutex;
|
|
spinlock_t lock;
|
|
|
|
bool registered;
|
|
struct delayed_work dwork;
|
|
|
|
const struct snd_ff_spec *spec;
|
|
|
|
/* To handle MIDI tx. */
|
|
struct snd_rawmidi_substream *tx_midi_substreams[SND_FF_IN_MIDI_PORTS];
|
|
struct fw_address_handler async_handler;
|
|
|
|
/* TO handle MIDI rx. */
|
|
struct snd_rawmidi_substream *rx_midi_substreams[SND_FF_OUT_MIDI_PORTS];
|
|
u8 running_status[SND_FF_OUT_MIDI_PORTS];
|
|
__le32 msg_buf[SND_FF_OUT_MIDI_PORTS][SND_FF_MAXIMIM_MIDI_QUADS];
|
|
struct work_struct rx_midi_work[SND_FF_OUT_MIDI_PORTS];
|
|
struct fw_transaction transactions[SND_FF_OUT_MIDI_PORTS];
|
|
ktime_t next_ktime[SND_FF_OUT_MIDI_PORTS];
|
|
bool rx_midi_error[SND_FF_OUT_MIDI_PORTS];
|
|
unsigned int rx_bytes[SND_FF_OUT_MIDI_PORTS];
|
|
|
|
unsigned int substreams_counter;
|
|
struct amdtp_stream tx_stream;
|
|
struct amdtp_stream rx_stream;
|
|
struct fw_iso_resources tx_resources;
|
|
struct fw_iso_resources rx_resources;
|
|
|
|
int dev_lock_count;
|
|
bool dev_lock_changed;
|
|
wait_queue_head_t hwdep_wait;
|
|
};
|
|
|
|
enum snd_ff_clock_src {
|
|
SND_FF_CLOCK_SRC_INTERNAL,
|
|
SND_FF_CLOCK_SRC_SPDIF,
|
|
SND_FF_CLOCK_SRC_ADAT,
|
|
SND_FF_CLOCK_SRC_WORD,
|
|
SND_FF_CLOCK_SRC_LTC,
|
|
/* TODO: perhaps ADAT2 and TCO exists. */
|
|
};
|
|
|
|
struct snd_ff_protocol {
|
|
int (*get_clock)(struct snd_ff *ff, unsigned int *rate,
|
|
enum snd_ff_clock_src *src);
|
|
int (*begin_session)(struct snd_ff *ff, unsigned int rate);
|
|
void (*finish_session)(struct snd_ff *ff);
|
|
int (*switch_fetching_mode)(struct snd_ff *ff, bool enable);
|
|
|
|
void (*dump_sync_status)(struct snd_ff *ff,
|
|
struct snd_info_buffer *buffer);
|
|
void (*dump_clock_config)(struct snd_ff *ff,
|
|
struct snd_info_buffer *buffer);
|
|
|
|
u64 midi_high_addr_reg;
|
|
u64 midi_rx_port_0_reg;
|
|
u64 midi_rx_port_1_reg;
|
|
};
|
|
|
|
extern struct snd_ff_protocol snd_ff_protocol_ff400;
|
|
|
|
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_init_duplex(struct snd_ff *ff);
|
|
void snd_ff_stream_destroy_duplex(struct snd_ff *ff);
|
|
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);
|
|
|
|
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
|