diff --git a/include/sound/info.h b/include/sound/info.h
new file mode 100644
index 0000000..1d76bf3
--- /dev/null
+++ b/include/sound/info.h
@@ -0,0 +1,193 @@
+#ifndef __SOUND_INFO_H
+#define __SOUND_INFO_H
+
+/*
+ *  Header file for info interface
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   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/poll.h>
+
+/* buffer for information */
+struct snd_info_buffer {
+	char *buffer;		/* pointer to begin of buffer */
+	char *curr;		/* current position in buffer */
+	unsigned long size;	/* current size */
+	unsigned long len;	/* total length of buffer */
+	int stop;		/* stop flag */
+	int error;		/* error code */
+};
+
+typedef struct snd_info_buffer snd_info_buffer_t;
+
+#define SNDRV_INFO_CONTENT_TEXT		0
+#define SNDRV_INFO_CONTENT_DATA		1
+
+struct snd_info_entry;
+
+struct snd_info_entry_text {
+	unsigned long read_size;
+	unsigned long write_size;
+	void (*read) (snd_info_entry_t *entry, snd_info_buffer_t * buffer);
+	void (*write) (snd_info_entry_t *entry, snd_info_buffer_t * buffer);
+};
+
+struct snd_info_entry_ops {
+	int (*open) (snd_info_entry_t *entry,
+		     unsigned short mode, void **file_private_data);
+	int (*release) (snd_info_entry_t * entry,
+			unsigned short mode, void *file_private_data);
+	long (*read) (snd_info_entry_t *entry, void *file_private_data,
+		      struct file * file, char __user *buf,
+		      unsigned long count, unsigned long pos);
+	long (*write) (snd_info_entry_t *entry, void *file_private_data,
+		       struct file * file, const char __user *buf,
+		       unsigned long count, unsigned long pos);
+	long long (*llseek) (snd_info_entry_t *entry, void *file_private_data,
+			    struct file * file, long long offset, int orig);
+	unsigned int (*poll) (snd_info_entry_t *entry, void *file_private_data,
+			      struct file * file, poll_table * wait);
+	int (*ioctl) (snd_info_entry_t *entry, void *file_private_data,
+		      struct file * file, unsigned int cmd, unsigned long arg);
+	int (*mmap) (snd_info_entry_t *entry, void *file_private_data,
+		     struct inode * inode, struct file * file,
+		     struct vm_area_struct * vma);
+};
+
+struct snd_info_entry {
+	const char *name;
+	mode_t mode;
+	long size;
+	unsigned short content;
+	unsigned short disconnected: 1;
+	union {
+		struct snd_info_entry_text text;
+		struct snd_info_entry_ops *ops;
+	} c;
+	snd_info_entry_t *parent;
+	snd_card_t *card;
+	struct module *module;
+	void *private_data;
+	void (*private_free)(snd_info_entry_t *entry);
+	struct proc_dir_entry *p;
+	struct semaphore access;
+};
+
+extern int snd_info_check_reserved_words(const char *str);
+
+#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
+extern int snd_info_minor_register(void);
+extern int snd_info_minor_unregister(void);
+#else
+#define snd_info_minor_register() /* NOP */
+#define snd_info_minor_unregister() /* NOP */
+#endif
+
+
+#ifdef CONFIG_PROC_FS
+
+extern snd_info_entry_t *snd_seq_root;
+#ifdef CONFIG_SND_OSSEMUL
+extern snd_info_entry_t *snd_oss_root;
+#else
+#define snd_oss_root NULL
+#endif
+
+int snd_iprintf(snd_info_buffer_t * buffer, char *fmt,...) __attribute__ ((format (printf, 2, 3)));
+int snd_info_init(void);
+int snd_info_done(void);
+
+int snd_info_get_line(snd_info_buffer_t * buffer, char *line, int len);
+char *snd_info_get_str(char *dest, char *src, int len);
+snd_info_entry_t *snd_info_create_module_entry(struct module * module,
+					       const char *name,
+					       snd_info_entry_t * parent);
+snd_info_entry_t *snd_info_create_card_entry(snd_card_t * card,
+					     const char *name,
+					     snd_info_entry_t * parent);
+void snd_info_free_entry(snd_info_entry_t * entry);
+int snd_info_store_text(snd_info_entry_t * entry);
+int snd_info_restore_text(snd_info_entry_t * entry);
+
+int snd_info_card_create(snd_card_t * card);
+int snd_info_card_register(snd_card_t * card);
+int snd_info_card_free(snd_card_t * card);
+int snd_info_register(snd_info_entry_t * entry);
+int snd_info_unregister(snd_info_entry_t * entry);
+
+/* for card drivers */
+int snd_card_proc_new(snd_card_t *card, const char *name, snd_info_entry_t **entryp);
+
+static inline void snd_info_set_text_ops(snd_info_entry_t *entry, 
+					 void *private_data,
+					 long read_size,
+					 void (*read)(snd_info_entry_t *, snd_info_buffer_t *))
+{
+	entry->private_data = private_data;
+	entry->c.text.read_size = read_size;
+	entry->c.text.read = read;
+}
+
+
+#else
+
+#define snd_seq_root NULL
+#define snd_oss_root NULL
+
+static inline int snd_iprintf(snd_info_buffer_t * buffer, char *fmt,...) { return 0; }
+static inline int snd_info_init(void) { return 0; }
+static inline int snd_info_done(void) { return 0; }
+
+static inline int snd_info_get_line(snd_info_buffer_t * buffer, char *line, int len) { return 0; }
+static inline char *snd_info_get_str(char *dest, char *src, int len) { return NULL; }
+static inline snd_info_entry_t *snd_info_create_module_entry(struct module * module, const char *name, snd_info_entry_t * parent) { return NULL; }
+static inline snd_info_entry_t *snd_info_create_card_entry(snd_card_t * card, const char *name, snd_info_entry_t * parent) { return NULL; }
+static inline void snd_info_free_entry(snd_info_entry_t * entry) { ; }
+
+static inline int snd_info_card_create(snd_card_t * card) { return 0; }
+static inline int snd_info_card_register(snd_card_t * card) { return 0; }
+static inline int snd_info_card_free(snd_card_t * card) { return 0; }
+static inline int snd_info_register(snd_info_entry_t * entry) { return 0; }
+static inline int snd_info_unregister(snd_info_entry_t * entry) { return 0; }
+
+#define snd_card_proc_new(card,name,entryp)  0 /* always success */
+#define snd_info_set_text_ops(entry,private_data,read_size,read) /*NOP*/
+
+#endif
+
+/*
+ * OSS info part
+ */
+
+#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
+
+#define SNDRV_OSS_INFO_DEV_AUDIO	0
+#define SNDRV_OSS_INFO_DEV_SYNTH	1
+#define SNDRV_OSS_INFO_DEV_MIDI		2
+#define SNDRV_OSS_INFO_DEV_TIMERS	4
+#define SNDRV_OSS_INFO_DEV_MIXERS	5
+
+#define SNDRV_OSS_INFO_DEV_COUNT	6
+
+extern int snd_oss_info_register(int dev, int num, char *string);
+#define snd_oss_info_unregister(dev, num) snd_oss_info_register(dev, num, NULL)
+
+#endif /* CONFIG_SND_OSSEMUL && CONFIG_PROC_FS */
+
+#endif /* __SOUND_INFO_H */