1*5921Ssam /* if_accreg.h 4.2 82/02/21 */ 25699Sroot 35699Sroot /* 45699Sroot * ACC LH/DH-11 interface 55699Sroot */ 65699Sroot 75699Sroot struct accdma { 85699Sroot short csr; /* control and status */ 95699Sroot short db; /* data buffer */ 105699Sroot u_short ba; /* buss address */ 115699Sroot short wc; /* word count */ 125699Sroot }; 135699Sroot 145699Sroot struct accdevice { 155699Sroot struct accdma input; 165699Sroot struct accdma output; 175699Sroot }; 185699Sroot 195699Sroot #define icsr input.csr 205699Sroot #define iba input.ba 215699Sroot #define iwc input.wc 225699Sroot #define ocsr output.csr 235699Sroot #define oba output.ba 245699Sroot #define owc output.wc 255699Sroot 265699Sroot /* 275699Sroot * Bits Common to both input and out CSR's 285699Sroot */ 295699Sroot #define ACC_ERR 0x8000 /* error present */ 305699Sroot #define ACC_NXM 0x4000 /* non-existant memory */ 315699Sroot #define ACC_RDY 0x0080 /* ready */ 32*5921Ssam #define ACC_IE 0x0040 /* interrupt enable */ 335699Sroot #define ACC_RESET 0x0002 /* reset interface */ 345699Sroot #define ACC_GO 0x0001 /* start operation */ 355699Sroot 365699Sroot /* 375699Sroot * Input Control Status Register 385699Sroot */ 395699Sroot #define IN_EOM 0x2000 /* end-of-message recieved */ 405699Sroot #define IN_HRDY 0x0800 /* host ready */ 415699Sroot #define IN_IMPBSY 0x0400 /* IMP not ready */ 425699Sroot #define IN_RMR 0x0200 /* receive master ready error */ 435699Sroot #define IN_IBF 0x0100 /* input data buffer full */ 445699Sroot #define IN_WEN 0x0008 /* write enable */ 455699Sroot #define IN_MRDY 0x0004 /* master ready */ 465699Sroot 475699Sroot #define ACC_INBITS \ 485699Sroot "\20\20ERR\17NXM\16EOM\14HRDY\13IMPBSY\12RMR\11IBF\10RDY\7IE\ 495699Sroot \4WEN\3MRDY\2RESET\1GO" 505699Sroot 515699Sroot /* 525699Sroot * Output Control Status Register 535699Sroot */ 545699Sroot #define OUT_TMR 0x0200 /* transmit master ready error */ 555699Sroot #define OUT_BBACK 0x0008 /* bus back */ 565699Sroot #define OUT_ENLB 0x0004 /* enable last bit */ 575699Sroot 585699Sroot #define ACC_OUTBITS \ 595699Sroot "\20\20ERR\17NXM\12TMR\10RDY\7IE\4BBACK\3ENLB\2RESET\1GO" 60