forked from Minki/linux
a91f676074
Fireface 800 is a flagship model of RME GmbH for audio and music units on IEEE 1394 bus, shipped 2004. This model consists of four chips: - TI TSB81BA3D for physical layer on cable environment of EEE 1394 bus - TI TSB82AA2 for link layer for 1394 OHCI bus bridge to PCI bus - Xilinx Spartan-3 FPGA XC3S400 - Xilinx High-Performance CPLD XC9572XL This commit adds support Fireface 800. In this time, the support is restricted to its MIDI functionality, thus this commit adds some condition statements to avoid touching streaming functionality. Unlike Fireface 400, Fireface 800 has no functionality to suppress asynchronous transactions for MIDI messages except for unregister of listen address in controller side, thus the feature is available as is. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
152 lines
4.3 KiB
C
152 lines
4.3 KiB
C
/*
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* ff.h - a part of driver for RME Fireface series
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*
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* Copyright (c) 2015-2017 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_FIREFACE_H_INCLUDED
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#define SOUND_FIREFACE_H_INCLUDED
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#include <linux/device.h>
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#include <linux/firewire.h>
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#include <linux/firewire-constants.h>
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#include <linux/module.h>
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#include <linux/mod_devicetable.h>
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#include <linux/mutex.h>
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#include <linux/slab.h>
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#include <linux/compat.h>
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#include <linux/sched/signal.h>
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#include <sound/core.h>
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#include <sound/info.h>
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#include <sound/rawmidi.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/hwdep.h>
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#include <sound/firewire.h>
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#include "../lib.h"
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#include "../amdtp-stream.h"
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#include "../iso-resources.h"
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#define SND_FF_STREAM_MODES 3
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#define SND_FF_MAXIMIM_MIDI_QUADS 9
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#define SND_FF_IN_MIDI_PORTS 2
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#define SND_FF_OUT_MIDI_PORTS 2
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#define SND_FF_REG_SYNC_STATUS 0x0000801c0000ull
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/* For block wriet request. */
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#define SND_FF_REG_FETCH_PCM_FRAMES 0x0000801c0000ull
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#define SND_FF_REG_CLOCK_CONFIG 0x0000801c0004ull
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enum snd_ff_reg_type {
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SND_FF_REG_TYPE_MIDI_HIGH_ADDR = 0,
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SND_FF_REG_TYPE_COUNT,
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};
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struct snd_ff_protocol;
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struct snd_ff_spec {
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const char *const name;
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const unsigned int pcm_capture_channels[SND_FF_STREAM_MODES];
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const unsigned int pcm_playback_channels[SND_FF_STREAM_MODES];
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unsigned int midi_in_ports;
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unsigned int midi_out_ports;
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const struct snd_ff_protocol *protocol;
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u64 regs[SND_FF_REG_TYPE_COUNT];
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};
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struct snd_ff {
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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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const struct snd_ff_spec *spec;
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/* To handle MIDI tx. */
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struct snd_rawmidi_substream *tx_midi_substreams[SND_FF_IN_MIDI_PORTS];
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struct fw_address_handler async_handler;
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/* TO handle MIDI rx. */
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struct snd_rawmidi_substream *rx_midi_substreams[SND_FF_OUT_MIDI_PORTS];
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u8 running_status[SND_FF_OUT_MIDI_PORTS];
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__le32 msg_buf[SND_FF_OUT_MIDI_PORTS][SND_FF_MAXIMIM_MIDI_QUADS];
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struct work_struct rx_midi_work[SND_FF_OUT_MIDI_PORTS];
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struct fw_transaction transactions[SND_FF_OUT_MIDI_PORTS];
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ktime_t next_ktime[SND_FF_OUT_MIDI_PORTS];
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bool rx_midi_error[SND_FF_OUT_MIDI_PORTS];
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unsigned int rx_bytes[SND_FF_OUT_MIDI_PORTS];
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unsigned int substreams_counter;
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struct amdtp_stream tx_stream;
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struct amdtp_stream rx_stream;
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struct fw_iso_resources tx_resources;
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struct fw_iso_resources rx_resources;
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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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enum snd_ff_clock_src {
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SND_FF_CLOCK_SRC_INTERNAL,
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SND_FF_CLOCK_SRC_SPDIF,
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SND_FF_CLOCK_SRC_ADAT1,
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SND_FF_CLOCK_SRC_ADAT2,
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SND_FF_CLOCK_SRC_WORD,
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SND_FF_CLOCK_SRC_LTC,
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/* TODO: perhaps TCO exists. */
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};
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struct snd_ff_protocol {
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void (*handle_midi_msg)(struct snd_ff *ff, __le32 *buf, size_t length);
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int (*begin_session)(struct snd_ff *ff, unsigned int rate);
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void (*finish_session)(struct snd_ff *ff);
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int (*switch_fetching_mode)(struct snd_ff *ff, bool enable);
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};
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extern const struct snd_ff_protocol snd_ff_protocol_ff800;
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extern const struct snd_ff_protocol snd_ff_protocol_ff400;
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int snd_ff_transaction_get_clock(struct snd_ff *ff, unsigned int *rate,
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enum snd_ff_clock_src *src);
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int snd_ff_transaction_register(struct snd_ff *ff);
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int snd_ff_transaction_reregister(struct snd_ff *ff);
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void snd_ff_transaction_unregister(struct snd_ff *ff);
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int amdtp_ff_set_parameters(struct amdtp_stream *s, unsigned int rate,
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unsigned int pcm_channels);
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int amdtp_ff_add_pcm_hw_constraints(struct amdtp_stream *s,
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struct snd_pcm_runtime *runtime);
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int amdtp_ff_init(struct amdtp_stream *s, struct fw_unit *unit,
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enum amdtp_stream_direction dir);
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int snd_ff_stream_init_duplex(struct snd_ff *ff);
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void snd_ff_stream_destroy_duplex(struct snd_ff *ff);
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int snd_ff_stream_start_duplex(struct snd_ff *ff, unsigned int rate);
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void snd_ff_stream_stop_duplex(struct snd_ff *ff);
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void snd_ff_stream_update_duplex(struct snd_ff *ff);
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void snd_ff_stream_lock_changed(struct snd_ff *ff);
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int snd_ff_stream_lock_try(struct snd_ff *ff);
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void snd_ff_stream_lock_release(struct snd_ff *ff);
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void snd_ff_proc_init(struct snd_ff *ff);
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int snd_ff_create_midi_devices(struct snd_ff *ff);
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int snd_ff_create_pcm_devices(struct snd_ff *ff);
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int snd_ff_create_hwdep_devices(struct snd_ff *ff);
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#endif
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