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-rw-r--r--kernel/include/sound/seq_kernel.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/kernel/include/sound/seq_kernel.h b/kernel/include/sound/seq_kernel.h
new file mode 100644
index 000000000..feb58d455
--- /dev/null
+++ b/kernel/include/sound/seq_kernel.h
@@ -0,0 +1,109 @@
+#ifndef __SOUND_SEQ_KERNEL_H
+#define __SOUND_SEQ_KERNEL_H
+
+/*
+ * Main kernel header file for the ALSA sequencer
+ * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include <linux/time.h>
+#include <sound/asequencer.h>
+
+typedef struct snd_seq_real_time snd_seq_real_time_t;
+typedef union snd_seq_timestamp snd_seq_timestamp_t;
+
+/* maximum number of queues */
+#define SNDRV_SEQ_MAX_QUEUES 32
+
+/* max number of concurrent clients */
+#define SNDRV_SEQ_MAX_CLIENTS 192
+
+/* max number of concurrent ports */
+#define SNDRV_SEQ_MAX_PORTS 254
+
+/* max number of events in memory pool */
+#define SNDRV_SEQ_MAX_EVENTS 2000
+
+/* default number of events in memory pool */
+#define SNDRV_SEQ_DEFAULT_EVENTS 500
+
+/* max number of events in memory pool for one client (outqueue) */
+#define SNDRV_SEQ_MAX_CLIENT_EVENTS 2000
+
+/* default number of events in memory pool for one client (outqueue) */
+#define SNDRV_SEQ_DEFAULT_CLIENT_EVENTS 200
+
+/* max delivery path length */
+#define SNDRV_SEQ_MAX_HOPS 10
+
+/* max size of event size */
+#define SNDRV_SEQ_MAX_EVENT_LEN 0x3fffffff
+
+/* call-backs for kernel port */
+struct snd_seq_port_callback {
+ struct module *owner;
+ void *private_data;
+ int (*subscribe)(void *private_data, struct snd_seq_port_subscribe *info);
+ int (*unsubscribe)(void *private_data, struct snd_seq_port_subscribe *info);
+ int (*use)(void *private_data, struct snd_seq_port_subscribe *info);
+ int (*unuse)(void *private_data, struct snd_seq_port_subscribe *info);
+ int (*event_input)(struct snd_seq_event *ev, int direct, void *private_data, int atomic, int hop);
+ void (*private_free)(void *private_data);
+ /*...*/
+};
+
+/* interface for kernel client */
+__printf(3, 4)
+int snd_seq_create_kernel_client(struct snd_card *card, int client_index,
+ const char *name_fmt, ...);
+int snd_seq_delete_kernel_client(int client);
+int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev, int atomic, int hop);
+int snd_seq_kernel_client_dispatch(int client, struct snd_seq_event *ev, int atomic, int hop);
+int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg);
+
+#define SNDRV_SEQ_EXT_MASK 0xc0000000
+#define SNDRV_SEQ_EXT_USRPTR 0x80000000
+#define SNDRV_SEQ_EXT_CHAINED 0x40000000
+
+typedef int (*snd_seq_dump_func_t)(void *ptr, void *buf, int count);
+int snd_seq_expand_var_event(const struct snd_seq_event *event, int count, char *buf,
+ int in_kernel, int size_aligned);
+int snd_seq_dump_var_event(const struct snd_seq_event *event,
+ snd_seq_dump_func_t func, void *private_data);
+
+/* interface for OSS emulation */
+int snd_seq_set_queue_tempo(int client, struct snd_seq_queue_tempo *tempo);
+
+/* port callback routines */
+void snd_port_init_callback(struct snd_seq_port_callback *p);
+struct snd_seq_port_callback *snd_port_alloc_callback(void);
+
+/* port attach/detach */
+int snd_seq_event_port_attach(int client, struct snd_seq_port_callback *pcbp,
+ int cap, int type, int midi_channels, int midi_voices, char *portname);
+int snd_seq_event_port_detach(int client, int port);
+
+#ifdef CONFIG_MODULES
+void snd_seq_autoload_init(void);
+void snd_seq_autoload_exit(void);
+#else
+#define snd_seq_autoload_init()
+#define snd_seq_autoload_exit()
+#endif
+
+#endif /* __SOUND_SEQ_KERNEL_H */