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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#ifndef SOUND_DIGI00X_H_INCLUDED
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#define SOUND_DIGI00X_H_INCLUDED
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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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#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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#include "../lib.h"
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#include "../iso-resources.h"
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#include "../amdtp-stream.h"
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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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struct mutex mutex;
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spinlock_t lock;
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bool registered;
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struct delayed_work dwork;
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struct amdtp_stream tx_stream;
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struct fw_iso_resources tx_resources;
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struct amdtp_stream rx_stream;
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struct fw_iso_resources rx_resources;
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unsigned int substreams_counter;
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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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/* For asynchronous messages. */
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struct fw_address_handler async_handler;
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u32 msg;
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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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#define DG00X_ADDR_BASE 0xffffe0000000ull
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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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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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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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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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#define DOT_MIDI_IN_PORTS 1
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#define DOT_MIDI_OUT_PORTS 2
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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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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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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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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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void snd_dg00x_proc_init(struct snd_dg00x *dg00x);
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int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x);
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int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x);
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int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x);
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#endif
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