[mirror_ubuntu-bionic-kernel.git] / include / sound / seq_oss.h

#ifndef __SOUND_SEQ_OSS_H
#define __SOUND_SEQ_OSS_H

/*
 * OSS compatible sequencer driver
 *
 * Copyright (C) 1998,99 Takashi Iwai
 *
 * 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 <sound/asequencer.h>
#include <sound/seq_kernel.h>

/*
 * argument structure for synthesizer operations
 */
struct snd_seq_oss_arg {
	/* given by OSS sequencer */
	int app_index;	/* application unique index */
	int file_mode;	/* file mode - see below */
	int seq_mode;	/* sequencer mode - see below */

	/* following must be initialized in open callback */
	struct snd_seq_addr addr;	/* opened port address */
	void *private_data;	/* private data for lowlevel drivers */

	/* note-on event passing mode: initially given by OSS seq,
	 * but configurable by drivers - see below
	 */
	int event_passing;
};


/*
 * synthesizer operation callbacks
 */
struct snd_seq_oss_callback {
	struct module *owner;
	int (*open)(struct snd_seq_oss_arg *p, void *closure);
	int (*close)(struct snd_seq_oss_arg *p);
	int (*ioctl)(struct snd_seq_oss_arg *p, unsigned int cmd, unsigned long arg);
	int (*load_patch)(struct snd_seq_oss_arg *p, int format, const char __user *buf, int offs, int count);
	int (*reset)(struct snd_seq_oss_arg *p);
	int (*raw_event)(struct snd_seq_oss_arg *p, unsigned char *data);
};

/* flag: file_mode */
#define SNDRV_SEQ_OSS_FILE_ACMODE		3
#define SNDRV_SEQ_OSS_FILE_READ		1
#define SNDRV_SEQ_OSS_FILE_WRITE		2
#define SNDRV_SEQ_OSS_FILE_NONBLOCK	4

/* flag: seq_mode */
#define SNDRV_SEQ_OSS_MODE_SYNTH		0
#define SNDRV_SEQ_OSS_MODE_MUSIC		1

/* flag: event_passing */
#define SNDRV_SEQ_OSS_PROCESS_EVENTS	0	/* key == 255 is processed as velocity change */
#define SNDRV_SEQ_OSS_PASS_EVENTS		1	/* pass all events to callback */
#define SNDRV_SEQ_OSS_PROCESS_KEYPRESS	2	/* key >= 128 will be processed as key-pressure */

/* default control rate: fixed */
#define SNDRV_SEQ_OSS_CTRLRATE		100

/* default max queue length: configurable by module option */
#define SNDRV_SEQ_OSS_MAX_QLEN		1024


/*
 * data pointer to snd_seq_register_device
 */
struct snd_seq_oss_reg {
	int type;
	int subtype;
	int nvoices;
	struct snd_seq_oss_callback oper;
	void *private_data;
};

/* device id */
#define SNDRV_SEQ_DEV_ID_OSS		"seq-oss"

#endif /* __SOUND_SEQ_OSS_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __SOUND_SEQ_OSS_H
	2	#define __SOUND_SEQ_OSS_H
	3
	4	/*
	5	* OSS compatible sequencer driver
	6	*
	7	* Copyright (C) 1998,99 Takashi Iwai
	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
a1ce3928 DH	24	#include <sound/asequencer.h>
a1ce3928 DH	25	#include <sound/seq_kernel.h>
1da177e4	26
1da177e4 LT	27	/*
	28	* argument structure for synthesizer operations
	29	*/
080dece3	30	struct snd_seq_oss_arg {
1da177e4 LT	31	/* given by OSS sequencer */
	32	int app_index; /* application unique index */
	33	int file_mode; /* file mode - see below */
	34	int seq_mode; /* sequencer mode - see below */
	35
	36	/* following must be initialized in open callback */
080dece3	37	struct snd_seq_addr addr; /* opened port address */
1da177e4 LT	38	void private_data; / private data for lowlevel drivers */
	39
	40	/* note-on event passing mode: initially given by OSS seq,
	41	* but configurable by drivers - see below
	42	*/
	43	int event_passing;
	44	};
	45
	46
	47	/*
	48	* synthesizer operation callbacks
	49	*/
080dece3	50	struct snd_seq_oss_callback {
1da177e4	51	struct module *owner;
080dece3 TI	52	int (open)(struct snd_seq_oss_arg p, void *closure);
	53	int (close)(struct snd_seq_oss_arg p);
	54	int (ioctl)(struct snd_seq_oss_arg p, unsigned int cmd, unsigned long arg);
	55	int (load_patch)(struct snd_seq_oss_arg p, int format, const char __user *buf, int offs, int count);
	56	int (reset)(struct snd_seq_oss_arg p);
	57	int (raw_event)(struct snd_seq_oss_arg p, unsigned char *data);
1da177e4 LT	58	};
	59
	60	/* flag: file_mode */
	61	#define SNDRV_SEQ_OSS_FILE_ACMODE 3
	62	#define SNDRV_SEQ_OSS_FILE_READ 1
	63	#define SNDRV_SEQ_OSS_FILE_WRITE 2
	64	#define SNDRV_SEQ_OSS_FILE_NONBLOCK 4
	65
	66	/* flag: seq_mode */
	67	#define SNDRV_SEQ_OSS_MODE_SYNTH 0
	68	#define SNDRV_SEQ_OSS_MODE_MUSIC 1
	69
	70	/* flag: event_passing */
	71	#define SNDRV_SEQ_OSS_PROCESS_EVENTS 0 /* key == 255 is processed as velocity change */
	72	#define SNDRV_SEQ_OSS_PASS_EVENTS 1 /* pass all events to callback */
	73	#define SNDRV_SEQ_OSS_PROCESS_KEYPRESS 2 /* key >= 128 will be processed as key-pressure */
	74
	75	/* default control rate: fixed */
	76	#define SNDRV_SEQ_OSS_CTRLRATE 100
	77
	78	/* default max queue length: configurable by module option */
	79	#define SNDRV_SEQ_OSS_MAX_QLEN 1024
	80
	81
	82	/*
	83	* data pointer to snd_seq_register_device
	84	*/
080dece3	85	struct snd_seq_oss_reg {
1da177e4 LT	86	int type;
	87	int subtype;
	88	int nvoices;
080dece3	89	struct snd_seq_oss_callback oper;
1da177e4	90	void *private_data;
080dece3	91	};
1da177e4 LT	92
	93	/* device id */
	94	#define SNDRV_SEQ_DEV_ID_OSS "seq-oss"
	95
	96	#endif /* __SOUND_SEQ_OSS_H */