root/include/sound/minors.h

INCLUDED FROM

#ifndef __SOUND_MINORS_H
#define __SOUND_MINORS_H

/*
 *  MINOR numbers
 *
 *
 *   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
 *
 */

#define SNDRV_OS_MINORS                 256

#define SNDRV_MINOR_DEVICES             32
#define SNDRV_MINOR_CARD(minor)         ((minor) >> 5)
#define SNDRV_MINOR_DEVICE(minor)       ((minor) & 0x001f)
#define SNDRV_MINOR(card, dev)          (((card) << 5) | (dev))

/* these minors can still be used for autoloading devices (/dev/aload*) */
#define SNDRV_MINOR_CONTROL             0       /* 0 */
#define SNDRV_MINOR_GLOBAL              1       /* 1 */
#define SNDRV_MINOR_SEQUENCER           (SNDRV_MINOR_GLOBAL + 0 * 32)
#define SNDRV_MINOR_TIMER               (SNDRV_MINOR_GLOBAL + 1 * 32)

#ifndef CONFIG_SND_DYNAMIC_MINORS
                                                /* 2 - 3 (reserved) */
#define SNDRV_MINOR_HWDEP               4       /* 4 - 7 */
#define SNDRV_MINOR_RAWMIDI             8       /* 8 - 15 */
#define SNDRV_MINOR_PCM_PLAYBACK        16      /* 16 - 23 */
#define SNDRV_MINOR_PCM_CAPTURE         24      /* 24 - 31 */

/* same as first respective minor number to make minor allocation easier */
#define SNDRV_DEVICE_TYPE_CONTROL       SNDRV_MINOR_CONTROL
#define SNDRV_DEVICE_TYPE_HWDEP         SNDRV_MINOR_HWDEP
#define SNDRV_DEVICE_TYPE_RAWMIDI       SNDRV_MINOR_RAWMIDI
#define SNDRV_DEVICE_TYPE_PCM_PLAYBACK  SNDRV_MINOR_PCM_PLAYBACK
#define SNDRV_DEVICE_TYPE_PCM_CAPTURE   SNDRV_MINOR_PCM_CAPTURE
#define SNDRV_DEVICE_TYPE_SEQUENCER     SNDRV_MINOR_SEQUENCER
#define SNDRV_DEVICE_TYPE_TIMER         SNDRV_MINOR_TIMER

#else /* CONFIG_SND_DYNAMIC_MINORS */

enum {
        SNDRV_DEVICE_TYPE_CONTROL,
        SNDRV_DEVICE_TYPE_SEQUENCER,
        SNDRV_DEVICE_TYPE_TIMER,
        SNDRV_DEVICE_TYPE_HWDEP,
        SNDRV_DEVICE_TYPE_RAWMIDI,
        SNDRV_DEVICE_TYPE_PCM_PLAYBACK,
        SNDRV_DEVICE_TYPE_PCM_CAPTURE,
};

#endif /* CONFIG_SND_DYNAMIC_MINORS */

#define SNDRV_MINOR_HWDEPS              4
#define SNDRV_MINOR_RAWMIDIS            8
#define SNDRV_MINOR_PCMS                8


#ifdef CONFIG_SND_OSSEMUL

#define SNDRV_MINOR_OSS_DEVICES         16
#define SNDRV_MINOR_OSS_CARD(minor)     ((minor) >> 4)
#define SNDRV_MINOR_OSS_DEVICE(minor)   ((minor) & 0x000f)
#define SNDRV_MINOR_OSS(card, dev)      (((card) << 4) | (dev))

#define SNDRV_MINOR_OSS_MIXER           0       /* /dev/mixer - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_SEQUENCER       1       /* /dev/sequencer - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_MIDI            2       /* /dev/midi - native midi interface - OSS 3.XX compatible - UART */
#define SNDRV_MINOR_OSS_PCM             3       /* alias */
#define SNDRV_MINOR_OSS_PCM_8           3       /* /dev/dsp - 8bit PCM - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_AUDIO           4       /* /dev/audio - SunSparc compatible */
#define SNDRV_MINOR_OSS_PCM_16          5       /* /dev/dsp16 - 16bit PCM - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_SNDSTAT         6       /* /dev/sndstat - for compatibility with OSS */
#define SNDRV_MINOR_OSS_RESERVED7       7       /* reserved for future use */
#define SNDRV_MINOR_OSS_MUSIC           8       /* /dev/music - OSS 3.XX compatible */
#define SNDRV_MINOR_OSS_DMMIDI          9       /* /dev/dmmidi0 - this device can have another minor # with OSS */
#define SNDRV_MINOR_OSS_DMFM            10      /* /dev/dmfm0 - this device can have another minor # with OSS */
#define SNDRV_MINOR_OSS_MIXER1          11      /* alternate mixer */
#define SNDRV_MINOR_OSS_PCM1            12      /* alternate PCM (GF-A-1) */
#define SNDRV_MINOR_OSS_MIDI1           13      /* alternate midi - SYNTH */
#define SNDRV_MINOR_OSS_DMMIDI1         14      /* alternate dmmidi - SYNTH */
#define SNDRV_MINOR_OSS_RESERVED15      15      /* reserved for future use */

#define SNDRV_OSS_DEVICE_TYPE_MIXER     0
#define SNDRV_OSS_DEVICE_TYPE_SEQUENCER 1
#define SNDRV_OSS_DEVICE_TYPE_PCM       2
#define SNDRV_OSS_DEVICE_TYPE_MIDI      3
#define SNDRV_OSS_DEVICE_TYPE_DMFM      4
#define SNDRV_OSS_DEVICE_TYPE_SNDSTAT   5
#define SNDRV_OSS_DEVICE_TYPE_MUSIC     6

#define MODULE_ALIAS_SNDRV_MINOR(type) \
        MODULE_ALIAS("sound-service-?-" __stringify(type))

#endif

#endif /* __SOUND_MINORS_H */