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/*

 * 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 *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)        */