Initial import

1 files changed, 189 insertions, 0 deletions

diff --git a/sound/firewire/dice/dice.h b/sound/firewire/dice/dice.h
new file mode 100644
index 000000000..ecf5dc862
--- /dev/null
+++ b/sound/firewire/dice/dice.h
@@ -0,0 +1,189 @@
+/*
+ * dice.h - a part of driver for Dice based devices
+ *
+ * Copyright (c) Clemens Ladisch
+ * Copyright (c) 2014 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#ifndef SOUND_DICE_H_INCLUDED
+#define SOUND_DICE_H_INCLUDED
+
+#include <linux/compat.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/firewire.h>
+#include <linux/firewire-constants.h>
+#include <linux/jiffies.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/firewire.h>
+#include <sound/hwdep.h>
+#include <sound/info.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/rawmidi.h>
+
+#include "../amdtp.h"
+#include "../iso-resources.h"
+#include "../lib.h"
+#include "dice-interface.h"
+
+struct snd_dice {
+	struct snd_card *card;
+	struct fw_unit *unit;
+	spinlock_t lock;
+	struct mutex mutex;
+
+	/* Offsets for sub-addresses */
+	unsigned int global_offset;
+	unsigned int rx_offset;
+	unsigned int tx_offset;
+	unsigned int sync_offset;
+	unsigned int rsrv_offset;
+
+	unsigned int clock_caps;
+	unsigned int tx_channels[3];
+	unsigned int rx_channels[3];
+	unsigned int tx_midi_ports[3];
+	unsigned int rx_midi_ports[3];
+
+	struct fw_address_handler notification_handler;
+	int owner_generation;
+	u32 notification_bits;
+
+	/* For uapi */
+	int dev_lock_count; /* > 0 driver, < 0 userspace */
+	bool dev_lock_changed;
+	wait_queue_head_t hwdep_wait;
+
+	/* For streaming */
+	struct fw_iso_resources tx_resources;
+	struct fw_iso_resources rx_resources;
+	struct amdtp_stream tx_stream;
+	struct amdtp_stream rx_stream;
+	bool global_enabled;
+	struct completion clock_accepted;
+	unsigned int substreams_counter;
+};
+
+enum snd_dice_addr_type {
+	SND_DICE_ADDR_TYPE_PRIVATE,
+	SND_DICE_ADDR_TYPE_GLOBAL,
+	SND_DICE_ADDR_TYPE_TX,
+	SND_DICE_ADDR_TYPE_RX,
+	SND_DICE_ADDR_TYPE_SYNC,
+	SND_DICE_ADDR_TYPE_RSRV,
+};
+
+int snd_dice_transaction_write(struct snd_dice *dice,
+			       enum snd_dice_addr_type type,
+			       unsigned int offset,
+			       void *buf, unsigned int len);
+int snd_dice_transaction_read(struct snd_dice *dice,
+			      enum snd_dice_addr_type type, unsigned int offset,
+			      void *buf, unsigned int len);
+
+static inline int snd_dice_transaction_write_global(struct snd_dice *dice,
+						    unsigned int offset,
+						    void *buf, unsigned int len)
+{
+	return snd_dice_transaction_write(dice,
+					  SND_DICE_ADDR_TYPE_GLOBAL, offset,
+					  buf, len);
+}
+static inline int snd_dice_transaction_read_global(struct snd_dice *dice,
+						   unsigned int offset,
+						   void *buf, unsigned int len)
+{
+	return snd_dice_transaction_read(dice,
+					 SND_DICE_ADDR_TYPE_GLOBAL, offset,
+					 buf, len);
+}
+static inline int snd_dice_transaction_write_tx(struct snd_dice *dice,
+						unsigned int offset,
+						void *buf, unsigned int len)
+{
+	return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_TX, offset,
+					  buf, len);
+}
+static inline int snd_dice_transaction_read_tx(struct snd_dice *dice,
+					       unsigned int offset,
+					       void *buf, unsigned int len)
+{
+	return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_TX, offset,
+					 buf, len);
+}
+static inline int snd_dice_transaction_write_rx(struct snd_dice *dice,
+						unsigned int offset,
+						void *buf, unsigned int len)
+{
+	return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_RX, offset,
+					  buf, len);
+}
+static inline int snd_dice_transaction_read_rx(struct snd_dice *dice,
+					       unsigned int offset,
+					       void *buf, unsigned int len)
+{
+	return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_RX, offset,
+					 buf, len);
+}
+static inline int snd_dice_transaction_write_sync(struct snd_dice *dice,
+						  unsigned int offset,
+						  void *buf, unsigned int len)
+{
+	return snd_dice_transaction_write(dice, SND_DICE_ADDR_TYPE_SYNC, offset,
+					  buf, len);
+}
+static inline int snd_dice_transaction_read_sync(struct snd_dice *dice,
+						 unsigned int offset,
+						 void *buf, unsigned int len)
+{
+	return snd_dice_transaction_read(dice, SND_DICE_ADDR_TYPE_SYNC, offset,
+					 buf, len);
+}
+
+int snd_dice_transaction_get_clock_source(struct snd_dice *dice,
+					  unsigned int *source);
+int snd_dice_transaction_set_rate(struct snd_dice *dice, unsigned int rate);
+int snd_dice_transaction_get_rate(struct snd_dice *dice, unsigned int *rate);
+int snd_dice_transaction_set_enable(struct snd_dice *dice);
+void snd_dice_transaction_clear_enable(struct snd_dice *dice);
+int snd_dice_transaction_init(struct snd_dice *dice);
+int snd_dice_transaction_reinit(struct snd_dice *dice);
+void snd_dice_transaction_destroy(struct snd_dice *dice);
+
+#define SND_DICE_RATES_COUNT	7
+extern const unsigned int snd_dice_rates[SND_DICE_RATES_COUNT];
+
+int snd_dice_stream_get_rate_mode(struct snd_dice *dice,
+				  unsigned int rate, unsigned int *mode);
+
+int snd_dice_stream_start_duplex(struct snd_dice *dice, unsigned int rate);
+void snd_dice_stream_stop_duplex(struct snd_dice *dice);
+int snd_dice_stream_init_duplex(struct snd_dice *dice);
+void snd_dice_stream_destroy_duplex(struct snd_dice *dice);
+void snd_dice_stream_update_duplex(struct snd_dice *dice);
+
+int snd_dice_stream_lock_try(struct snd_dice *dice);
+void snd_dice_stream_lock_release(struct snd_dice *dice);
+
+int snd_dice_create_pcm(struct snd_dice *dice);
+
+int snd_dice_create_hwdep(struct snd_dice *dice);
+
+void snd_dice_create_proc(struct snd_dice *dice);
+
+int snd_dice_create_midi(struct snd_dice *dice);
+
+#endif