#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

  enum hdspm_io_type {
  	MADI,
  	MADIface,
  	AIO,
  	AES32,
  	RayDAT
  };

  enum hdspm_speed {
  	ss,
  	ds,
  	qs
  };

  /* -------------------- IOCTL Peak/RMS Meters -------------------- */

  struct hdspm_peak_rms {
  	uint32_t input_peaks[64];
  	uint32_t playback_peaks[64];
  	uint32_t output_peaks[64];

  	uint64_t input_rms[64];
  	uint64_t playback_rms[64];
  	uint64_t output_rms[64];

  	uint8_t speed; /* enum {ss, ds, qs} */
  	int status2;

  };

  #define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS \

  	_IOR('H', 0x42, struct hdspm_peak_rms)

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

  struct hdspm_config {

  	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 \
  	_IOR('H', 0x41, struct hdspm_config)
  
  /**
   * If there's a TCO (TimeCode Option) board installed,
   * there are further options and status data available.
   * The hdspm_ltc structure contains the current SMPTE
   * timecode and some status information and can be
   * obtained via SNDRV_HDSPM_IOCTL_GET_LTC or in the
   * hdspm_status struct.
   **/
  
  enum hdspm_ltc_format {
  	format_invalid,
  	fps_24,
  	fps_25,
  	fps_2997,
  	fps_30
  };
  
  enum hdspm_ltc_frame {
  	frame_invalid,
  	drop_frame,
  	full_frame
  };
  
  enum hdspm_ltc_input_format {
  	ntsc,
  	pal,
  	no_video
  };
  
  struct hdspm_ltc {
  	unsigned int ltc;
  
  	enum hdspm_ltc_format format;
  	enum hdspm_ltc_frame frame;
  	enum hdspm_ltc_input_format input_format;
  };
  
  #define SNDRV_HDSPM_IOCTL_GET_LTC _IOR('H', 0x46, struct hdspm_mixer_ioctl)
  
  /**
   * The status data reflects the device's current state
   * as determined by the card's configuration and
   * connection status.
   **/
  
  enum hdspm_sync {
  	hdspm_sync_no_lock = 0,
  	hdspm_sync_lock = 1,
  	hdspm_sync_sync = 2
  };
  
  enum hdspm_madi_input {
  	hdspm_input_optical = 0,
  	hdspm_input_coax = 1
  };
  
  enum hdspm_madi_channel_format {
  	hdspm_format_ch_64 = 0,
  	hdspm_format_ch_56 = 1
  };
  
  enum hdspm_madi_frame_format {
  	hdspm_frame_48 = 0,
  	hdspm_frame_96 = 1
  };
  
  enum hdspm_syncsource {
  	syncsource_wc = 0,
  	syncsource_madi = 1,
  	syncsource_tco = 2,
  	syncsource_sync = 3,
  	syncsource_none = 4
  };
  
  struct hdspm_status {
  	uint8_t card_type; /* enum hdspm_io_type */
  	enum hdspm_syncsource autosync_source;

  	uint64_t card_clock;
  	uint32_t master_period;
  
  	union {
  		struct {
  			uint8_t sync_wc; /* enum hdspm_sync */
  			uint8_t sync_madi; /* enum hdspm_sync */
  			uint8_t sync_tco; /* enum hdspm_sync */
  			uint8_t sync_in; /* enum hdspm_sync */
  			uint8_t madi_input; /* enum hdspm_madi_input */
  			uint8_t channel_format; /* enum hdspm_madi_channel_format */
  			uint8_t frame_format; /* enum hdspm_madi_frame_format */
  		} madi;
  	} card_specific;
  };

  #define SNDRV_HDSPM_IOCTL_GET_STATUS \
  	_IOR('H', 0x47, struct hdspm_status)
  
  /**
   * Get information about the card and its add-ons.
   **/
  
  #define HDSPM_ADDON_TCO 1

  struct hdspm_version {

  	uint8_t card_type; /* enum hdspm_io_type */
  	char cardname[20];
  	unsigned int serial;

  	unsigned short firmware_rev;

  	int addons;

  };

  #define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x48, struct hdspm_version)

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

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

  /* organisation is 64 channelfader in a continuous 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