/*
   * linux/include/asm-m68k/dsp56k.h - defines and declarations for
   *                                   DSP56k device driver
   *
   * Copyright (C) 1996,1997 Fredrik Noring, lars brinkhoff & Tomas Berndtsson
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file COPYING in the main directory of this archive
   * for more details.
   */
  
  
  /* Used for uploading DSP binary code */
  struct dsp56k_upload {
  	int len;

  	char __user *bin;

  };
  
  /* For the DSP host flags */
  struct dsp56k_host_flags {
  	int dir;     /* Bit field. 1 = write output bit, 0 = do nothing.
  		      * 0x0000 means reading only, 0x0011 means
  		      * writing the bits stored in `out' on HF0 and HF1.
  		      * Note that HF2 and HF3 can only be read.
  		      */
  	int out;     /* Bit field like above. */
  	int status;  /* Host register's current state is returned */
  };
  
  /* ioctl command codes */
  #define DSP56K_UPLOAD	        1    /* Upload DSP binary program       */
  #define DSP56K_SET_TX_WSIZE	2    /* Host transmit word size (1-4)   */
  #define DSP56K_SET_RX_WSIZE	3    /* Host receive word size (1-4)    */
  #define DSP56K_HOST_FLAGS	4    /* Host flag registers             */
  #define DSP56K_HOST_CMD         5    /* Trig Host Command (0-31)        */