These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / sound / firewire / tascam / tascam.h

diff --git a/kernel/sound/firewire/tascam/tascam.h b/kernel/sound/firewire/tascam/tascam.h
new file mode 100644 (file)
index 0000000..2d028d2
--- /dev/null
+++ b/kernel/sound/firewire/tascam/tascam.h
@@ -0,0 +1,147 @@
+/*
+ * 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 <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;
+       bool is_controller;
+};
+
+#define TSCM_MIDI_IN_PORT_MAX  4
+#define TSCM_MIDI_OUT_PORT_MAX 4
+
+struct snd_tscm {
+       struct snd_card *card;
+       struct fw_unit *unit;
+
+       struct mutex mutex;
+       spinlock_t lock;
+
+       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];
+       u8 running_status[TSCM_MIDI_OUT_PORT_MAX];
+       bool on_sysex[TSCM_MIDI_OUT_PORT_MAX];
+
+       /* For control messages. */
+       struct snd_firewire_tascam_status *status;
+};
+
+#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);
+void amdtp_tscm_set_pcm_format(struct amdtp_stream *s, snd_pcm_format_t format);
+
+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);
+
+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