181 lines
4.9 KiB
C
181 lines
4.9 KiB
C
/*
|
|
* tascam.h - a part of driver for TASCAM FireWire series
|
|
*
|
|
* Copyright (c) 2015 Takashi Sakamoto
|
|
*
|
|
* Licensed under the terms of the GNU General Public License, version 2.
|
|
*/
|
|
|
|
#ifndef SOUND_TASCAM_H_INCLUDED
|
|
#define SOUND_TASCAM_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/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 "../amdtp-stream.h"
|
|
#include "../iso-resources.h"
|
|
|
|
struct snd_tscm_spec {
|
|
const char *const name;
|
|
bool has_adat;
|
|
bool has_spdif;
|
|
unsigned int pcm_capture_analog_channels;
|
|
unsigned int pcm_playback_analog_channels;
|
|
unsigned int midi_capture_ports;
|
|
unsigned int midi_playback_ports;
|
|
};
|
|
|
|
#define TSCM_MIDI_IN_PORT_MAX 4
|
|
#define TSCM_MIDI_OUT_PORT_MAX 4
|
|
|
|
struct snd_fw_async_midi_port {
|
|
struct fw_device *parent;
|
|
struct work_struct work;
|
|
bool idling;
|
|
ktime_t next_ktime;
|
|
bool error;
|
|
|
|
struct fw_transaction transaction;
|
|
|
|
u8 buf[4];
|
|
u8 running_status;
|
|
bool on_sysex;
|
|
|
|
struct snd_rawmidi_substream *substream;
|
|
int consume_bytes;
|
|
};
|
|
|
|
struct snd_tscm {
|
|
struct snd_card *card;
|
|
struct fw_unit *unit;
|
|
|
|
struct mutex mutex;
|
|
spinlock_t lock;
|
|
|
|
bool registered;
|
|
struct delayed_work dwork;
|
|
const struct snd_tscm_spec *spec;
|
|
|
|
struct fw_iso_resources tx_resources;
|
|
struct fw_iso_resources rx_resources;
|
|
struct amdtp_stream tx_stream;
|
|
struct amdtp_stream rx_stream;
|
|
unsigned int substreams_counter;
|
|
|
|
int dev_lock_count;
|
|
bool dev_lock_changed;
|
|
wait_queue_head_t hwdep_wait;
|
|
|
|
/* For MIDI message incoming transactions. */
|
|
struct fw_address_handler async_handler;
|
|
struct snd_rawmidi_substream *tx_midi_substreams[TSCM_MIDI_IN_PORT_MAX];
|
|
|
|
/* For MIDI message outgoing transactions. */
|
|
struct snd_fw_async_midi_port out_ports[TSCM_MIDI_OUT_PORT_MAX];
|
|
};
|
|
|
|
#define TSCM_ADDR_BASE 0xffff00000000ull
|
|
|
|
#define TSCM_OFFSET_FIRMWARE_REGISTER 0x0000
|
|
#define TSCM_OFFSET_FIRMWARE_FPGA 0x0004
|
|
#define TSCM_OFFSET_FIRMWARE_ARM 0x0008
|
|
#define TSCM_OFFSET_FIRMWARE_HW 0x000c
|
|
|
|
#define TSCM_OFFSET_ISOC_TX_CH 0x0200
|
|
#define TSCM_OFFSET_UNKNOWN 0x0204
|
|
#define TSCM_OFFSET_START_STREAMING 0x0208
|
|
#define TSCM_OFFSET_ISOC_RX_CH 0x020c
|
|
#define TSCM_OFFSET_ISOC_RX_ON 0x0210 /* Little conviction. */
|
|
#define TSCM_OFFSET_TX_PCM_CHANNELS 0x0214
|
|
#define TSCM_OFFSET_RX_PCM_CHANNELS 0x0218
|
|
#define TSCM_OFFSET_MULTIPLEX_MODE 0x021c
|
|
#define TSCM_OFFSET_ISOC_TX_ON 0x0220
|
|
/* Unknown 0x0224 */
|
|
#define TSCM_OFFSET_CLOCK_STATUS 0x0228
|
|
#define TSCM_OFFSET_SET_OPTION 0x022c
|
|
|
|
#define TSCM_OFFSET_MIDI_TX_ON 0x0300
|
|
#define TSCM_OFFSET_MIDI_TX_ADDR_HI 0x0304
|
|
#define TSCM_OFFSET_MIDI_TX_ADDR_LO 0x0308
|
|
|
|
#define TSCM_OFFSET_LED_POWER 0x0404
|
|
|
|
#define TSCM_OFFSET_MIDI_RX_QUAD 0x4000
|
|
|
|
enum snd_tscm_clock {
|
|
SND_TSCM_CLOCK_INTERNAL = 0,
|
|
SND_TSCM_CLOCK_WORD = 1,
|
|
SND_TSCM_CLOCK_SPDIF = 2,
|
|
SND_TSCM_CLOCK_ADAT = 3,
|
|
};
|
|
|
|
int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,
|
|
enum amdtp_stream_direction dir, unsigned int pcm_channels);
|
|
int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate);
|
|
int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s,
|
|
struct snd_pcm_runtime *runtime);
|
|
|
|
int snd_tscm_stream_get_rate(struct snd_tscm *tscm, unsigned int *rate);
|
|
int snd_tscm_stream_get_clock(struct snd_tscm *tscm,
|
|
enum snd_tscm_clock *clock);
|
|
int snd_tscm_stream_init_duplex(struct snd_tscm *tscm);
|
|
void snd_tscm_stream_update_duplex(struct snd_tscm *tscm);
|
|
void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm);
|
|
int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate);
|
|
void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm);
|
|
|
|
void snd_tscm_stream_lock_changed(struct snd_tscm *tscm);
|
|
int snd_tscm_stream_lock_try(struct snd_tscm *tscm);
|
|
void snd_tscm_stream_lock_release(struct snd_tscm *tscm);
|
|
|
|
void snd_fw_async_midi_port_init(struct snd_fw_async_midi_port *port);
|
|
|
|
static inline void
|
|
snd_fw_async_midi_port_run(struct snd_fw_async_midi_port *port,
|
|
struct snd_rawmidi_substream *substream)
|
|
{
|
|
if (!port->error) {
|
|
port->substream = substream;
|
|
schedule_work(&port->work);
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
snd_fw_async_midi_port_finish(struct snd_fw_async_midi_port *port)
|
|
{
|
|
port->substream = NULL;
|
|
cancel_work_sync(&port->work);
|
|
port->error = false;
|
|
}
|
|
|
|
int snd_tscm_transaction_register(struct snd_tscm *tscm);
|
|
int snd_tscm_transaction_reregister(struct snd_tscm *tscm);
|
|
void snd_tscm_transaction_unregister(struct snd_tscm *tscm);
|
|
|
|
void snd_tscm_proc_init(struct snd_tscm *tscm);
|
|
|
|
int snd_tscm_create_pcm_devices(struct snd_tscm *tscm);
|
|
|
|
int snd_tscm_create_midi_devices(struct snd_tscm *tscm);
|
|
|
|
int snd_tscm_create_hwdep_device(struct snd_tscm *tscm);
|
|
|
|
#endif
|