#ifndef __SOUND_HDSPM_H

  #define __SOUND_HDSPM_H
  /*
   *   Copyright (C) 2003 Winfried Ritsch (IEM)
   *   based on hdsp.h from Thomas Charbonnel (thomas@undata.org)
   *                      
   *    
   *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  /* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */
  #define HDSPM_MAX_CHANNELS      64
  
  /* -------------------- IOCTL Peak/RMS Meters -------------------- */

  /* peam rms level structure like we get from hardware 
    
     maybe in future we can memory map it so I just copy it
     to user on ioctl call now an dont change anything
     rms are made out of low and high values
     where (long) ????_rms = (????_rms_l >> 8) + ((????_rms_h & 0xFFFFFF00)<<24)
     (i asume so from the code)
  */

  struct hdspm_peak_rms {

  
  	unsigned int level_offset[1024];
  
  	unsigned int input_peak[64];
  	unsigned int playback_peak[64];
  	unsigned int output_peak[64];
  	unsigned int xxx_peak[64];	/* not used */
  
  	unsigned int reserved[256];	/* not used */
  
  	unsigned int input_rms_l[64];
  	unsigned int playback_rms_l[64];
  	unsigned int output_rms_l[64];
  	unsigned int xxx_rms_l[64];	/* not used */
  
  	unsigned int input_rms_h[64];
  	unsigned int playback_rms_h[64];
  	unsigned int output_rms_h[64];
  	unsigned int xxx_rms_h[64];	/* not used */
  };

  struct hdspm_peak_rms_ioctl {
  	struct hdspm_peak_rms *peak;

  };
  
  /* use indirect access due to the limit of ioctl bit size */

  #define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS \
  	_IOR('H', 0x40, struct hdspm_peak_rms_ioctl)

  
  /* ------------ CONFIG block IOCTL ---------------------- */

  struct hdspm_config_info {

  	unsigned char pref_sync_ref;
  	unsigned char wordclock_sync_check;
  	unsigned char madi_sync_check;
  	unsigned int system_sample_rate;
  	unsigned int autosync_sample_rate;
  	unsigned char system_clock_mode;
  	unsigned char clock_source;
  	unsigned char autosync_ref;
  	unsigned char line_out;
  	unsigned int passthru;
  	unsigned int analog_out;
  };

  #define SNDRV_HDSPM_IOCTL_GET_CONFIG_INFO \
  	_IOR('H', 0x41, struct hdspm_config_info)

  
  
  /* get Soundcard Version */

  struct hdspm_version {

  	unsigned short firmware_rev;
  };

  #define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x43, struct hdspm_version)

  
  
  /* ------------- get Matrix Mixer IOCTL --------------- */

  /* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte =
   * 32768 Bytes
   */

  
  /* organisation is 64 channelfader in a continous memory block */

  /* equivalent to hardware definition, maybe for future feature of mmap of
   * them
   */

  /* each of 64 outputs has 64 infader and 64 outfader: 
     Ins to Outs mixer[out].in[in], Outstreams to Outs mixer[out].pb[pb] */
  
  #define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS

  struct hdspm_channelfader {

  	unsigned int in[HDSPM_MIXER_CHANNELS];
  	unsigned int pb[HDSPM_MIXER_CHANNELS];
  };

  struct hdspm_mixer {
  	struct hdspm_channelfader ch[HDSPM_MIXER_CHANNELS];

  };

  struct hdspm_mixer_ioctl {
  	struct hdspm_mixer *mixer;

  };
  
  /* use indirect access due to the limit of ioctl bit size */

  #define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdspm_mixer_ioctl)
  
  /* typedefs for compatibility to user-space */
  typedef struct hdspm_peak_rms hdspm_peak_rms_t;
  typedef struct hdspm_config_info hdspm_config_info_t;
  typedef struct hdspm_version hdspm_version_t;
  typedef struct hdspm_channelfader snd_hdspm_channelfader_t;
  typedef struct hdspm_mixer hdspm_mixer_t;

  
  #endif				/* __SOUND_HDSPM_H */