Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h
new file mode 100644
index 000000000..8cdd0ee53
--- /dev/null
+++ b/sound/core/seq/seq_clientmgr.h
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *   ALSA sequencer Client Manager
+ *   Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
+ */
+#ifndef __SND_SEQ_CLIENTMGR_H
+#define __SND_SEQ_CLIENTMGR_H
+
+#include <sound/seq_kernel.h>
+#include <linux/bitops.h>
+#include "seq_fifo.h"
+#include "seq_ports.h"
+#include "seq_lock.h"
+
+
+/* client manager */
+
+struct snd_seq_user_client {
+	struct file *file;	/* file struct of client */
+	/* ... */
+	struct pid *owner;
+	
+	/* fifo */
+	struct snd_seq_fifo *fifo;	/* queue for incoming events */
+	int fifo_pool_size;
+};
+
+struct snd_seq_kernel_client {
+	/* ... */
+	struct snd_card *card;
+};
+
+
+struct snd_seq_client {
+	snd_seq_client_type_t type;
+	unsigned int accept_input: 1,
+		accept_output: 1;
+	char name[64];		/* client name */
+	int number;		/* client number */
+	unsigned int filter;	/* filter flags */
+	DECLARE_BITMAP(event_filter, 256);
+	snd_use_lock_t use_lock;
+	int event_lost;
+	/* ports */
+	int num_ports;		/* number of ports */
+	struct list_head ports_list_head;
+	rwlock_t ports_lock;
+	struct mutex ports_mutex;
+	struct mutex ioctl_mutex;
+	int convert32;		/* convert 32->64bit */
+
+	/* output pool */
+	struct snd_seq_pool *pool;		/* memory pool for this client */
+
+	union {
+		struct snd_seq_user_client user;
+		struct snd_seq_kernel_client kernel;
+	} data;
+};
+
+/* usage statistics */
+struct snd_seq_usage {
+	int cur;
+	int peak;
+};
+
+
+int client_init_data(void);
+int snd_sequencer_device_init(void);
+void snd_sequencer_device_done(void);
+
+/* get locked pointer to client */
+struct snd_seq_client *snd_seq_client_use_ptr(int clientid);
+
+/* unlock pointer to client */
+#define snd_seq_client_unlock(client) snd_use_lock_free(&(client)->use_lock)
+
+/* dispatch event to client(s) */
+int snd_seq_dispatch_event(struct snd_seq_event_cell *cell, int atomic, int hop);
+
+int snd_seq_kernel_client_write_poll(int clientid, struct file *file, poll_table *wait);
+int snd_seq_client_notify_subscription(int client, int port,
+				       struct snd_seq_port_subscribe *info, int evtype);
+
+/* only for OSS sequencer */
+bool snd_seq_client_ioctl_lock(int clientid);
+void snd_seq_client_ioctl_unlock(int clientid);
+
+extern int seq_client_load[15];
+
+#endif