1 files changed, 142 insertions, 0 deletions
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h
new file mode 100644
index 000000000..fa2d7f9e2
--- /dev/null
+++ b/sound/firewire/oxfw/oxfw.h
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * oxfw.h - a part of driver for OXFW970/971 based devices
+ *
+ * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
+ */
+
+#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/control.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/info.h>
+#include <sound/rawmidi.h>
+#include <sound/firewire.h>
+#include <sound/hwdep.h>
+
+#include "../lib.h"
+#include "../fcp.h"
+#include "../packets-buffer.h"
+#include "../iso-resources.h"
+#include "../amdtp-am824.h"
+#include "../cmp.h"
+
+/* This is an arbitrary number for convinience. */
+#define	SND_OXFW_STREAM_FORMAT_ENTRIES	10
+struct snd_oxfw {
+	struct snd_card *card;
+	struct fw_unit *unit;
+	struct mutex mutex;
+	spinlock_t lock;
+
+	bool registered;
+	struct delayed_work dwork;
+
+	bool wrong_dbs;
+	bool has_output;
+	bool has_input;
+	u8 *tx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
+	u8 *rx_stream_formats[SND_OXFW_STREAM_FORMAT_ENTRIES];
+	bool assumed;
+	struct cmp_connection out_conn;
+	struct cmp_connection in_conn;
+	struct amdtp_stream tx_stream;
+	struct amdtp_stream rx_stream;
+	unsigned int substreams_count;
+
+	unsigned int midi_input_ports;
+	unsigned int midi_output_ports;
+
+	int dev_lock_count;
+	bool dev_lock_changed;
+	wait_queue_head_t hwdep_wait;
+
+	const struct ieee1394_device_id *entry;
+	void *spec;
+
+	struct amdtp_domain domain;
+};
+
+/*
+ * AV/C Stream Format Information Specification 1.1 Working Draft
+ * (Apr 2005, 1394TA)
+ */
+int avc_stream_set_format(struct fw_unit *unit, enum avc_general_plug_dir dir,
+			  unsigned int pid, u8 *format, unsigned int len);
+int avc_stream_get_format(struct fw_unit *unit,
+			  enum avc_general_plug_dir dir, unsigned int pid,
+			  u8 *buf, unsigned int *len, unsigned int eid);
+static inline int
+avc_stream_get_format_single(struct fw_unit *unit,
+			     enum avc_general_plug_dir dir, unsigned int pid,
+			     u8 *buf, unsigned int *len)
+{
+	return avc_stream_get_format(unit, dir, pid, buf, len, 0xff);
+}
+static inline int
+avc_stream_get_format_list(struct fw_unit *unit,
+			   enum avc_general_plug_dir dir, unsigned int pid,
+			   u8 *buf, unsigned int *len,
+			   unsigned int eid)
+{
+	return avc_stream_get_format(unit, dir, pid, buf, len, eid);
+}
+
+/*
+ * AV/C Digital Interface Command Set General Specification 4.2
+ * (Sep 2004, 1394TA)
+ */
+int avc_general_inquiry_sig_fmt(struct fw_unit *unit, unsigned int rate,
+				enum avc_general_plug_dir dir,
+				unsigned short pid);
+
+int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw);
+int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw,
+				   struct amdtp_stream *stream,
+				   unsigned int rate, unsigned int pcm_channels,
+				   unsigned int frames_per_period,
+				   unsigned int frames_per_buffer);
+int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw);
+void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw);
+void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw);
+void snd_oxfw_stream_update_duplex(struct snd_oxfw *oxfw);
+
+struct snd_oxfw_stream_formation {
+	unsigned int rate;
+	unsigned int pcm;
+	unsigned int midi;
+};
+int snd_oxfw_stream_parse_format(u8 *format,
+				 struct snd_oxfw_stream_formation *formation);
+int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,
+				enum avc_general_plug_dir dir,
+				struct snd_oxfw_stream_formation *formation);
+
+int snd_oxfw_stream_discover(struct snd_oxfw *oxfw);
+
+void snd_oxfw_stream_lock_changed(struct snd_oxfw *oxfw);
+int snd_oxfw_stream_lock_try(struct snd_oxfw *oxfw);
+void snd_oxfw_stream_lock_release(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_pcm(struct snd_oxfw *oxfw);
+
+void snd_oxfw_proc_init(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_midi(struct snd_oxfw *oxfw);
+
+int snd_oxfw_create_hwdep(struct snd_oxfw *oxfw);
+
+int snd_oxfw_add_spkr(struct snd_oxfw *oxfw, bool is_lacie);
+int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw);
+void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw);