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/*
* Copyright (c) 2008 by Matthieu Bucchianeri <mbucchia@gmail.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE
*/
#ifndef _SOUND_H_
#define _SOUND_H_
/* ioctls for sound management. 0x53 is 'S' */
#define SOUND_SVOL 0x5301 /* set sound volume */
#define SOUND_GVOL 0x5302 /* get sound volume */
#define SOUND_SFMT 0x5303 /* set output format */
#define SOUND_GFMT 0x5304 /* get output format */
#define SOUND_SPAN 0x5305 /* set pan */
#define SOUND_GPAN 0x5306 /* get pan */
#define SOUND_SRECLEN 0x5307 /* set recording buffer length (in bytes) */
#define SOUND_STARTREC 0x5308 /* start recording */
#define SOUND_STOPREC 0x5309 /* stop recording */
#define SOUND_FREQ_MASK 0x3
#define SOUND_FREQ_11025 0
#define SOUND_FREQ_22050 1
#define SOUND_FREQ_44100 2
#define SOUND_FREQ_RECORD 3 /* special value to play microphone
recorded data */
#define SOUND_FORMAT_8 (0 << 2)
#define SOUND_FORMAT_16 (1 << 2)
#ifdef __cplusplus
extern "C"
{
#endif
/*
* sound prototype entry points
*/
rtems_device_driver sound_initialize (rtems_device_major_number,
rtems_device_minor_number, void *);
rtems_device_driver sound_open (rtems_device_major_number,
rtems_device_minor_number, void *);
rtems_device_driver sound_control (rtems_device_major_number,
rtems_device_minor_number, void *);
rtems_device_driver sound_close (rtems_device_major_number,
rtems_device_minor_number, void *);
rtems_device_driver sound_read (rtems_device_major_number,
rtems_device_minor_number, void *);
rtems_device_driver sound_write (rtems_device_major_number,
rtems_device_minor_number, void *);
rtems_device_driver sound_control (rtems_device_major_number,
rtems_device_minor_number, void *);
#define SOUND_DRIVER_TABLE_ENTRY \
{ sound_initialize, sound_open, sound_close, \
sound_read, sound_write, sound_control }
#ifdef __cplusplus
}
#endif
#endif
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