[deliverable/linux.git] / include / sound / core.h

#ifndef __SOUND_CORE_H
#define __SOUND_CORE_H

/*
 *  Main header file for the ALSA driver
 *  Copyright (c) 1994-2001 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/sched.h>		/* wake_up() */
#include <asm/semaphore.h>		/* struct semaphore */
#include <linux/rwsem.h>		/* struct rw_semaphore */
#include <linux/workqueue.h>		/* struct workqueue_struct */
#include <linux/pm.h>			/* pm_message_t */

/* forward declarations */
#ifdef CONFIG_PCI
struct pci_dev;
#endif
#ifdef CONFIG_SBUS
struct sbus_dev;
#endif

/* device allocation stuff */

#define SNDRV_DEV_TYPE_RANGE_SIZE		0x1000

typedef int __bitwise snd_device_type_t;
#define	SNDRV_DEV_TOPLEVEL	((__force snd_device_type_t) 0)
#define	SNDRV_DEV_CONTROL	((__force snd_device_type_t) 1)
#define	SNDRV_DEV_LOWLEVEL_PRE	((__force snd_device_type_t) 2)
#define	SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000)
#define	SNDRV_DEV_PCM		((__force snd_device_type_t) 0x1001)
#define	SNDRV_DEV_RAWMIDI	((__force snd_device_type_t) 0x1002)
#define	SNDRV_DEV_TIMER		((__force snd_device_type_t) 0x1003)
#define	SNDRV_DEV_SEQUENCER	((__force snd_device_type_t) 0x1004)
#define	SNDRV_DEV_HWDEP		((__force snd_device_type_t) 0x1005)
#define	SNDRV_DEV_INFO		((__force snd_device_type_t) 0x1006)
#define	SNDRV_DEV_BUS		((__force snd_device_type_t) 0x1007)
#define	SNDRV_DEV_CODEC		((__force snd_device_type_t) 0x1008)
#define	SNDRV_DEV_LOWLEVEL	((__force snd_device_type_t) 0x2000)

typedef int __bitwise snd_device_state_t;
#define	SNDRV_DEV_BUILD		((__force snd_device_state_t) 0)
#define	SNDRV_DEV_REGISTERED	((__force snd_device_state_t) 1)
#define	SNDRV_DEV_DISCONNECTED	((__force snd_device_state_t) 2)

typedef int __bitwise snd_device_cmd_t;
#define	SNDRV_DEV_CMD_PRE	((__force snd_device_cmd_t) 0)
#define	SNDRV_DEV_CMD_NORMAL	((__force snd_device_cmd_t) 1)	
#define	SNDRV_DEV_CMD_POST	((__force snd_device_cmd_t) 2)

struct snd_device;

struct snd_device_ops {
	int (*dev_free)(struct snd_device *dev);
	int (*dev_register)(struct snd_device *dev);
	int (*dev_disconnect)(struct snd_device *dev);
	int (*dev_unregister)(struct snd_device *dev);
};

struct snd_device {
	struct list_head list;		/* list of registered devices */
	struct snd_card *card;		/* card which holds this device */
	snd_device_state_t state;	/* state of the device */
	snd_device_type_t type;		/* device type */
	void *device_data;		/* device structure */
	struct snd_device_ops *ops;	/* operations */
};

#define snd_device(n) list_entry(n, struct snd_device, list)

/* monitor files for graceful shutdown (hotplug) */

struct snd_monitor_file {
	struct file *file;
	struct snd_monitor_file *next;
};

struct snd_shutdown_f_ops;	/* define it later in init.c */

/* main structure for soundcard */

struct snd_card {
	int number;			/* number of soundcard (index to
								snd_cards) */

	char id[16];			/* id string of this card */
	char driver[16];		/* driver name */
	char shortname[32];		/* short name of this soundcard */
	char longname[80];		/* name of this soundcard */
	char mixername[80];		/* mixer name */
	char components[80];		/* card components delimited with
								space */
	struct module *module;		/* top-level module */

	void *private_data;		/* private data for soundcard */
	void (*private_free) (struct snd_card *card); /* callback for freeing of
								private data */
	struct list_head devices;	/* devices */

	unsigned int last_numid;	/* last used numeric ID */
	struct rw_semaphore controls_rwsem;	/* controls list lock */
	rwlock_t ctl_files_rwlock;	/* ctl_files list lock */
	int controls_count;		/* count of all controls */
	int user_ctl_count;		/* count of all user controls */
	struct list_head controls;	/* all controls for this card */
	struct list_head ctl_files;	/* active control files */

	struct snd_info_entry *proc_root;	/* root for soundcard specific files */
	struct snd_info_entry *proc_id;	/* the card id */
	struct proc_dir_entry *proc_root_link;	/* number link to real id */

	struct snd_monitor_file *files; /* all files associated to this card */
	struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown
								state */
	spinlock_t files_lock;		/* lock the files for this card */
	int shutdown;			/* this card is going down */
	wait_queue_head_t shutdown_sleep;
	struct work_struct free_workq;	/* for free in workqueue */
	struct device *dev;

#ifdef CONFIG_PM
	unsigned int power_state;	/* power state */
	struct semaphore power_lock;	/* power lock */
	wait_queue_head_t power_sleep;
#endif

#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
	struct snd_mixer_oss *mixer_oss;
	int mixer_oss_change_count;
#endif
};

#ifdef CONFIG_PM
static inline void snd_power_lock(struct snd_card *card)
{
	down(&card->power_lock);
}

static inline void snd_power_unlock(struct snd_card *card)
{
	up(&card->power_lock);
}

static inline unsigned int snd_power_get_state(struct snd_card *card)
{
	return card->power_state;
}

static inline void snd_power_change_state(struct snd_card *card, unsigned int state)
{
	card->power_state = state;
	wake_up(&card->power_sleep);
}

/* init.c */
int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file);

#else /* ! CONFIG_PM */

#define snd_power_lock(card)		do { (void)(card); } while (0)
#define snd_power_unlock(card)		do { (void)(card); } while (0)
static inline int snd_power_wait(struct snd_card *card, unsigned int state, struct file *file) { return 0; }
#define snd_power_get_state(card)	SNDRV_CTL_POWER_D0
#define snd_power_change_state(card, state)	do { (void)(card); } while (0)

#endif /* CONFIG_PM */

struct snd_minor {
	struct list_head list;		/* list of all minors per card */
	int number;			/* minor number */
	int device;			/* device number */
	const char *comment;		/* for /proc/asound/devices */
	struct file_operations *f_ops;	/* file operations */
	char name[0];			/* device name (keep at the end of
								structure) */
};

/* sound.c */

extern int snd_major;
extern int snd_ecards_limit;

void snd_request_card(int card);

int snd_register_device(int type, struct snd_card *card, int dev, struct snd_minor *reg, const char *name);
int snd_unregister_device(int type, struct snd_card *card, int dev);

#ifdef CONFIG_SND_OSSEMUL
int snd_register_oss_device(int type, struct snd_card *card, int dev, struct snd_minor *reg, const char *name);
int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
#endif

int snd_minor_info_init(void);
int snd_minor_info_done(void);

/* sound_oss.c */

#ifdef CONFIG_SND_OSSEMUL
int snd_minor_info_oss_init(void);
int snd_minor_info_oss_done(void);
int snd_oss_init_module(void);
#else
#define snd_minor_info_oss_init() /*NOP*/
#define snd_minor_info_oss_done() /*NOP*/
#define snd_oss_init_module() 0
#endif

/* memory.c */

int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);
int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count);

/* init.c */

extern unsigned int snd_cards_lock;
extern struct snd_card *snd_cards[SNDRV_CARDS];
extern rwlock_t snd_card_rwlock;
#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
#define SND_MIXER_OSS_NOTIFY_REGISTER	0
#define SND_MIXER_OSS_NOTIFY_DISCONNECT	1
#define SND_MIXER_OSS_NOTIFY_FREE	2
extern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd);
#endif

struct snd_card *snd_card_new(int idx, const char *id,
			 struct module *module, int extra_size);
int snd_card_disconnect(struct snd_card *card);
int snd_card_free(struct snd_card *card);
int snd_card_free_in_thread(struct snd_card *card);
int snd_card_register(struct snd_card *card);
int snd_card_info_init(void);
int snd_card_info_done(void);
int snd_component_add(struct snd_card *card, const char *component);
int snd_card_file_add(struct snd_card *card, struct file *file);
int snd_card_file_remove(struct snd_card *card, struct file *file);

#ifndef snd_card_set_dev
#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
#endif

/* device.c */

int snd_device_new(struct snd_card *card, snd_device_type_t type,
		   void *device_data, struct snd_device_ops *ops);
int snd_device_register(struct snd_card *card, void *device_data);
int snd_device_register_all(struct snd_card *card);
int snd_device_disconnect(struct snd_card *card, void *device_data);
int snd_device_disconnect_all(struct snd_card *card);
int snd_device_free(struct snd_card *card, void *device_data);
int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd);

/* isadma.c */

#ifdef CONFIG_ISA_DMA_API
#define DMA_MODE_NO_ENABLE	0x0100

void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
void snd_dma_disable(unsigned long dma);
unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
#endif

/* misc.c */
struct resource;
void release_and_free_resource(struct resource *res);

#ifdef CONFIG_SND_VERBOSE_PRINTK
void snd_verbose_printk(const char *file, int line, const char *format, ...)
     __attribute__ ((format (printf, 3, 4)));
#endif
#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
void snd_verbose_printd(const char *file, int line, const char *format, ...)
     __attribute__ ((format (printf, 3, 4)));
#endif

/* --- */

#ifdef CONFIG_SND_VERBOSE_PRINTK
/**
 * snd_printk - printk wrapper
 * @fmt: format string
 *
 * Works like print() but prints the file and the line of the caller
 * when configured with CONFIG_SND_VERBOSE_PRINTK.
 */
#define snd_printk(fmt, args...) \
	snd_verbose_printk(__FILE__, __LINE__, fmt ,##args)
#else
#define snd_printk(fmt, args...) \
	printk(fmt ,##args)
#endif

#ifdef CONFIG_SND_DEBUG

#define __ASTRING__(x) #x

#ifdef CONFIG_SND_VERBOSE_PRINTK
/**
 * snd_printd - debug printk
 * @format: format string
 *
 * Compiled only when Works like snd_printk() for debugging purpose.
 * Ignored when CONFIG_SND_DEBUG is not set.
 */
#define snd_printd(fmt, args...) \
	snd_verbose_printd(__FILE__, __LINE__, fmt ,##args)
#else
#define snd_printd(fmt, args...) \
	printk(fmt ,##args)
#endif
/**
 * snd_assert - run-time assertion macro
 * @expr: expression
 * @args...: the action
 *
 * This macro checks the expression in run-time and invokes the commands
 * given in the rest arguments if the assertion is failed.
 * When CONFIG_SND_DEBUG is not set, the expression is executed but
 * not checked.
 */
#define snd_assert(expr, args...) do {					\
	if (unlikely(!(expr))) {					\
		snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr));	\
		dump_stack();						\
		args;							\
	}								\
} while (0)

#define snd_BUG() do {				\
	snd_printk(KERN_ERR "BUG?\n");		\
	dump_stack();				\
} while (0)

#else /* !CONFIG_SND_DEBUG */

#define snd_printd(fmt, args...)	/* nothing */
#define snd_assert(expr, args...)	(void)(expr)
#define snd_BUG()			/* nothing */

#endif /* CONFIG_SND_DEBUG */

#ifdef CONFIG_SND_DEBUG_DETECT
/**
 * snd_printdd - debug printk
 * @format: format string
 *
 * Compiled only when Works like snd_printk() for debugging purpose.
 * Ignored when CONFIG_SND_DEBUG_DETECT is not set.
 */
#define snd_printdd(format, args...) snd_printk(format, ##args)
#else
#define snd_printdd(format, args...) /* nothing */
#endif


#define SNDRV_OSS_VERSION         ((3<<16)|(8<<8)|(1<<4)|(0))	/* 3.8.1a */

/* for easier backward-porting */
#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE)
#ifndef gameport_set_dev_parent
#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev))
#define gameport_set_port_data(gp,r) ((gp)->port_data = (r))
#define gameport_get_port_data(gp) (gp)->port_data
#endif
#endif

#include "typedefs.h"

#endif /* __SOUND_CORE_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __SOUND_CORE_H
	2	#define __SOUND_CORE_H
	3
	4	/*
	5	* Main header file for the ALSA driver
	6	* Copyright (c) 1994-2001 by Jaroslav Kysela <perex@suse.cz>
	7	*
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*
	23	*/
	24
	25	#include <linux/sched.h> /* wake_up() */
	26	#include <asm/semaphore.h> /* struct semaphore */
	27	#include <linux/rwsem.h> /* struct rw_semaphore */
	28	#include <linux/workqueue.h> /* struct workqueue_struct */
	29	#include <linux/pm.h> /* pm_message_t */
	30
1da177e4 LT	31	/* forward declarations */
	32	#ifdef CONFIG_PCI
	33	struct pci_dev;
	34	#endif
	35	#ifdef CONFIG_SBUS
	36	struct sbus_dev;
	37	#endif
	38
	39	/* device allocation stuff */
	40
	41	#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000
	42
512bbd6a TI	43	typedef int __bitwise snd_device_type_t;
	44	#define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0)
	45	#define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1)
	46	#define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2)
	47	#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000)
	48	#define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001)
	49	#define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002)
	50	#define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003)
	51	#define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004)
	52	#define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005)
	53	#define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006)
	54	#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007)
	55	#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008)
	56	#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000)
	57
	58	typedef int __bitwise snd_device_state_t;
	59	#define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0)
	60	#define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1)
	61	#define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2)
	62
	63	typedef int __bitwise snd_device_cmd_t;
	64	#define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0)
	65	#define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1)
	66	#define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2)
	67
	68	struct snd_device;
	69
	70	struct snd_device_ops {
	71	int (dev_free)(struct snd_device dev);
	72	int (dev_register)(struct snd_device dev);
	73	int (dev_disconnect)(struct snd_device dev);
	74	int (dev_unregister)(struct snd_device dev);
	75	};
	76
	77	struct snd_device {
1da177e4	78	struct list_head list; /* list of registered devices */
512bbd6a	79	struct snd_card card; / card which holds this device */
1da177e4 LT	80	snd_device_state_t state; /* state of the device */
	81	snd_device_type_t type; /* device type */
	82	void device_data; / device structure */
512bbd6a	83	struct snd_device_ops ops; / operations */
1da177e4 LT	84	};
1da177e4 LT	85
512bbd6a	86	#define snd_device(n) list_entry(n, struct snd_device, list)
1da177e4 LT	87
	88	/* monitor files for graceful shutdown (hotplug) */
	89
	90	struct snd_monitor_file {
	91	struct file *file;
	92	struct snd_monitor_file *next;
	93	};
	94
d5750f67	95	struct snd_shutdown_f_ops; /* define it later in init.c */
1da177e4 LT	96
	97	/* main structure for soundcard */
	98
512bbd6a	99	struct snd_card {
d5750f67 HK	100	int number; /* number of soundcard (index to
d5750f67 HK	101	snd_cards) */
1da177e4 LT	102
	103	char id[16]; /* id string of this card */
	104	char driver[16]; /* driver name */
	105	char shortname[32]; /* short name of this soundcard */
	106	char longname[80]; /* name of this soundcard */
	107	char mixername[80]; /* mixer name */
d5750f67 HK	108	char components[80]; /* card components delimited with
d5750f67 HK	109	space */
1da177e4 LT	110	struct module module; / top-level module */
	111
	112	void private_data; / private data for soundcard */
512bbd6a	113	void (private_free) (struct snd_card card); /* callback for freeing of
d5750f67	114	private data */
1da177e4 LT	115	struct list_head devices; /* devices */
	116
	117	unsigned int last_numid; /* last used numeric ID */
	118	struct rw_semaphore controls_rwsem; /* controls list lock */
	119	rwlock_t ctl_files_rwlock; /* ctl_files list lock */
	120	int controls_count; /* count of all controls */
	121	int user_ctl_count; /* count of all user controls */
	122	struct list_head controls; /* all controls for this card */
	123	struct list_head ctl_files; /* active control files */
	124
512bbd6a TI	125	struct snd_info_entry proc_root; / root for soundcard specific files */
512bbd6a TI	126	struct snd_info_entry proc_id; / the card id */
1da177e4 LT	127	struct proc_dir_entry proc_root_link; / number link to real id */
	128
	129	struct snd_monitor_file files; / all files associated to this card */
d5750f67 HK	130	struct snd_shutdown_f_ops s_f_ops; / file operations in the shutdown
d5750f67 HK	131	state */
1da177e4 LT	132	spinlock_t files_lock; /* lock the files for this card */
	133	int shutdown; /* this card is going down */
	134	wait_queue_head_t shutdown_sleep;
	135	struct work_struct free_workq; /* for free in workqueue */
	136	struct device *dev;
	137
	138	#ifdef CONFIG_PM
1da177e4 LT	139	unsigned int power_state; /* power state */
	140	struct semaphore power_lock; /* power lock */
	141	wait_queue_head_t power_sleep;
1da177e4 LT	142	#endif
	143
	144	#if defined(CONFIG_SND_MIXER_OSS) \|\| defined(CONFIG_SND_MIXER_OSS_MODULE)
512bbd6a	145	struct snd_mixer_oss *mixer_oss;
1da177e4 LT	146	int mixer_oss_change_count;
	147	#endif
	148	};
	149
	150	#ifdef CONFIG_PM
512bbd6a	151	static inline void snd_power_lock(struct snd_card *card)
1da177e4 LT	152	{
	153	down(&card->power_lock);
	154	}
	155
512bbd6a	156	static inline void snd_power_unlock(struct snd_card *card)
1da177e4 LT	157	{
	158	up(&card->power_lock);
	159	}
	160
512bbd6a	161	static inline unsigned int snd_power_get_state(struct snd_card *card)
1da177e4 LT	162	{
	163	return card->power_state;
	164	}
	165
512bbd6a	166	static inline void snd_power_change_state(struct snd_card *card, unsigned int state)
1da177e4 LT	167	{
	168	card->power_state = state;
	169	wake_up(&card->power_sleep);
	170	}
d5750f67 HK	171
d5750f67 HK	172	/* init.c */
512bbd6a	173	int snd_power_wait(struct snd_card card, unsigned int power_state, struct file file);
d5750f67	174
1da177e4 LT	175	#else /* ! CONFIG_PM */
	176
	177	#define snd_power_lock(card) do { (void)(card); } while (0)
	178	#define snd_power_unlock(card) do { (void)(card); } while (0)
512bbd6a	179	static inline int snd_power_wait(struct snd_card card, unsigned int state, struct file file) { return 0; }
1da177e4 LT	180	#define snd_power_get_state(card) SNDRV_CTL_POWER_D0
1da177e4 LT	181	#define snd_power_change_state(card, state) do { (void)(card); } while (0)
1da177e4 LT	182
	183	#endif /* CONFIG_PM */
	184
512bbd6a	185	struct snd_minor {
1da177e4 LT	186	struct list_head list; /* list of all minors per card */
	187	int number; /* minor number */
	188	int device; /* device number */
	189	const char comment; / for /proc/asound/devices */
	190	struct file_operations f_ops; / file operations */
d5750f67 HK	191	char name[0]; /* device name (keep at the end of
d5750f67 HK	192	structure) */
1da177e4 LT	193	};
1da177e4 LT	194
1da177e4 LT	195	/* sound.c */
1da177e4 LT	196
f1902860	197	extern int snd_major;
1da177e4 LT	198	extern int snd_ecards_limit;
	199
	200	void snd_request_card(int card);
	201
512bbd6a TI	202	int snd_register_device(int type, struct snd_card card, int dev, struct snd_minor reg, const char *name);
512bbd6a TI	203	int snd_unregister_device(int type, struct snd_card *card, int dev);
1da177e4 LT	204
1da177e4 LT	205	#ifdef CONFIG_SND_OSSEMUL
512bbd6a TI	206	int snd_register_oss_device(int type, struct snd_card card, int dev, struct snd_minor reg, const char *name);
512bbd6a TI	207	int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
1da177e4 LT	208	#endif
	209
	210	int snd_minor_info_init(void);
	211	int snd_minor_info_done(void);
	212
	213	/* sound_oss.c */
	214
	215	#ifdef CONFIG_SND_OSSEMUL
	216	int snd_minor_info_oss_init(void);
	217	int snd_minor_info_oss_done(void);
	218	int snd_oss_init_module(void);
	219	#else
	220	#define snd_minor_info_oss_init() /NOP/
	221	#define snd_minor_info_oss_done() /NOP/
	222	#define snd_oss_init_module() 0
	223	#endif
	224
	225	/* memory.c */
	226
1da177e4 LT	227	int copy_to_user_fromio(void __user dst, const volatile void __iomem src, size_t count);
	228	int copy_from_user_toio(volatile void __iomem dst, const void __user src, size_t count);
	229
	230	/* init.c */
	231
	232	extern unsigned int snd_cards_lock;
512bbd6a	233	extern struct snd_card *snd_cards[SNDRV_CARDS];
1da177e4 LT	234	extern rwlock_t snd_card_rwlock;
	235	#if defined(CONFIG_SND_MIXER_OSS) \|\| defined(CONFIG_SND_MIXER_OSS_MODULE)
	236	#define SND_MIXER_OSS_NOTIFY_REGISTER 0
	237	#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1
	238	#define SND_MIXER_OSS_NOTIFY_FREE 2
512bbd6a	239	extern int (snd_mixer_oss_notify_callback)(struct snd_card card, int cmd);
1da177e4 LT	240	#endif
1da177e4 LT	241
512bbd6a	242	struct snd_card snd_card_new(int idx, const char id,
1da177e4	243	struct module *module, int extra_size);
512bbd6a TI	244	int snd_card_disconnect(struct snd_card *card);
	245	int snd_card_free(struct snd_card *card);
	246	int snd_card_free_in_thread(struct snd_card *card);
	247	int snd_card_register(struct snd_card *card);
1da177e4 LT	248	int snd_card_info_init(void);
1da177e4 LT	249	int snd_card_info_done(void);
512bbd6a TI	250	int snd_component_add(struct snd_card card, const char component);
	251	int snd_card_file_add(struct snd_card card, struct file file);
	252	int snd_card_file_remove(struct snd_card card, struct file file);
1da177e4 LT	253
	254	#ifndef snd_card_set_dev
	255	#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
	256	#endif
	257
	258	/* device.c */
	259
512bbd6a TI	260	int snd_device_new(struct snd_card *card, snd_device_type_t type,
	261	void device_data, struct snd_device_ops ops);
	262	int snd_device_register(struct snd_card card, void device_data);
	263	int snd_device_register_all(struct snd_card *card);
	264	int snd_device_disconnect(struct snd_card card, void device_data);
	265	int snd_device_disconnect_all(struct snd_card *card);
	266	int snd_device_free(struct snd_card card, void device_data);
	267	int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd);
1da177e4 LT	268
	269	/* isadma.c */
	270
276bd31c	271	#ifdef CONFIG_ISA_DMA_API
1da177e4 LT	272	#define DMA_MODE_NO_ENABLE 0x0100
	273
	274	void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
	275	void snd_dma_disable(unsigned long dma);
	276	unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
276bd31c	277	#endif
1da177e4 LT	278
1da177e4 LT	279	/* misc.c */
b709e574	280	struct resource;
b1d5776d	281	void release_and_free_resource(struct resource *res);
1da177e4	282
1da177e4 LT	283	#ifdef CONFIG_SND_VERBOSE_PRINTK
	284	void snd_verbose_printk(const char file, int line, const char format, ...)
	285	__attribute__ ((format (printf, 3, 4)));
	286	#endif
	287	#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
	288	void snd_verbose_printd(const char file, int line, const char format, ...)
	289	__attribute__ ((format (printf, 3, 4)));
	290	#endif
	291
	292	/* --- */
	293
	294	#ifdef CONFIG_SND_VERBOSE_PRINTK
	295	/**
	296	* snd_printk - printk wrapper
	297	* @fmt: format string
	298	*
	299	* Works like print() but prints the file and the line of the caller
	300	* when configured with CONFIG_SND_VERBOSE_PRINTK.
	301	*/
	302	#define snd_printk(fmt, args...) \
	303	snd_verbose_printk(__FILE__, __LINE__, fmt ,##args)
	304	#else
	305	#define snd_printk(fmt, args...) \
	306	printk(fmt ,##args)
	307	#endif
	308
	309	#ifdef CONFIG_SND_DEBUG
	310
	311	#define __ASTRING__(x) #x
	312
	313	#ifdef CONFIG_SND_VERBOSE_PRINTK
	314	/**
	315	* snd_printd - debug printk
	316	* @format: format string
	317	*
	318	* Compiled only when Works like snd_printk() for debugging purpose.
	319	* Ignored when CONFIG_SND_DEBUG is not set.
	320	*/
	321	#define snd_printd(fmt, args...) \
	322	snd_verbose_printd(__FILE__, __LINE__, fmt ,##args)
	323	#else
	324	#define snd_printd(fmt, args...) \
	325	printk(fmt ,##args)
	326	#endif
	327	/**
d5750f67	328	* snd_assert - run-time assertion macro
1da177e4 LT	329	* @expr: expression
	330	* @args...: the action
	331	*
	332	* This macro checks the expression in run-time and invokes the commands
	333	* given in the rest arguments if the assertion is failed.
	334	* When CONFIG_SND_DEBUG is not set, the expression is executed but
	335	* not checked.
	336	*/
7c22f1aa TI	337	#define snd_assert(expr, args...) do { \
	338	if (unlikely(!(expr))) { \
	339	snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr)); \
	340	dump_stack(); \
	341	args; \
	342	} \
1da177e4	343	} while (0)
7c22f1aa TI	344
	345	#define snd_BUG() do { \
	346	snd_printk(KERN_ERR "BUG?\n"); \
	347	dump_stack(); \
1da177e4 LT	348	} while (0)
	349
	350	#else /* !CONFIG_SND_DEBUG */
	351
	352	#define snd_printd(fmt, args...) /* nothing */
	353	#define snd_assert(expr, args...) (void)(expr)
7c22f1aa	354	#define snd_BUG() /* nothing */
1da177e4 LT	355
	356	#endif /* CONFIG_SND_DEBUG */
	357
	358	#ifdef CONFIG_SND_DEBUG_DETECT
	359	/**
	360	* snd_printdd - debug printk
	361	* @format: format string
	362	*
	363	* Compiled only when Works like snd_printk() for debugging purpose.
	364	* Ignored when CONFIG_SND_DEBUG_DETECT is not set.
	365	*/
	366	#define snd_printdd(format, args...) snd_printk(format, ##args)
	367	#else
	368	#define snd_printdd(format, args...) /* nothing */
	369	#endif
	370
1da177e4	371
1da177e4 LT	372	#define SNDRV_OSS_VERSION ((3<<16)\|(8<<8)\|(1<<4)\|(0)) /* 3.8.1a */
	373
	374	/* for easier backward-porting */
	375	#if defined(CONFIG_GAMEPORT) \|\| defined(CONFIG_GAMEPORT_MODULE)
	376	#ifndef gameport_set_dev_parent
	377	#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev))
	378	#define gameport_set_port_data(gp,r) ((gp)->port_data = (r))
	379	#define gameport_get_port_data(gp) (gp)->port_data
	380	#endif
	381	#endif
	382
512bbd6a TI	383	#include "typedefs.h"
512bbd6a TI	384
1da177e4	385	#endif /* __SOUND_CORE_H */