dspreg.h

#ifndef __MK_dspreg_H___
#define __MK_dspreg_H___
/* Copyright 1988-1992, NeXT Inc.  All rights reserved. */

/* structure view of dsp registers */
struct dsp_regs {
        unsigned char   icr;
#define ICR_INIT        0x80
#define ICR_HM1         0x40
#define ICR_HM0         0x20
#define ICR_HF1         0x10
#define ICR_HF0         0x08
#define ICR_TREQ        0x02
#define ICR_RREQ        0x01
        unsigned char   cvr;
#define CVR_HC          0x80
#define CVR_HV          0x1f
        unsigned char   isr;
#define ISR_HREQ        0x80
#define ISR_DMA         0x40
#define ISR_HF3         0x10
#define ISR_HF2         0x08
#define ISR_TRDY        0x04
#define ISR_TXDE        0x02
#define ISR_RXDF        0x01
        unsigned char   ivr;
        union {
                unsigned int    receive_i;
                struct {
                        unsigned char   pad;
                        unsigned char   h;
                        unsigned char   m;
                        unsigned char   l;
                } receive_struct;
                struct {
                        unsigned short  pad;
                        unsigned short  s;
                } receive_s;
                unsigned int    transmit_i;
                struct {
                        unsigned char   pad;
                        unsigned char   h;
                        unsigned char   m;
                        unsigned char   l;
                } transmit_struct;
                struct {
                        unsigned short pad;
                        unsigned short s;
                } transmit_s;
        } data;
};

#endif

---