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- /*
- * Copyright (c) 1986 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)ikreg.h 7.3 (Berkeley) 6/28/90
- */
-
- /*
- * IKON DR-11W register definitions.
- */
- struct ikdevice {
- u_short ik_csr; /* control status register */
- u_short ik_data; /* data in/out register */
- u_char ik_mod; /* address modifier */
- u_char ik_vec; /* interrupt vector */
- u_short ik_pulse; /* pulse commands (w) */
- u_short ik_fill[5];
- u_short ik_balo; /* low word of dma beginning address (w) */
- u_short ik_wc; /* dma word count */
- u_short ik_calo; /* low word of dma current address (r) */
- u_short ik_fill1;
- u_short ik_bahi; /* high word of dma beginning address (w) */
- u_short ik_fill2;
- u_short ik_cahi; /* high word of dma current address (r) */
- };
-
- /*
- * CSR control definitions (write-only).
- */
- #define IKCSR_GO 0x0001 /* start dma */
- #define IKCSR_FNC1 0x0002 /* function bit 1 */
- #define IKCSR_FNC2 0x0004 /* function bit 2 */
- #define IKCSR_FNC3 0x0008 /* function bit 3 */
- /* bits 4-5 are unused */
- #define IKCSR_IENA 0x0040 /* enable/disable interrupts */
- /* bit 7 is unused */
- #define IKCSR_CYCLE 0x0100 /* force dma to cycle */
- /* bits 9-11 are unused */
- #define IKCSR_MCLR 0x1000 /* master clear board */
- #define IKCSR_RPERR 0x2000 /* reset parity error */
- #define IKCSR_RATTF 0x4000 /* reset attention */
- #define IKCSR_RDMAF 0x8000 /* reset dma completion */
-
- /*
- * CSR status definitions (read-only).
- */
- #define IKCSR_DEV 0x0001 /* device flag (0 = 10083, 1 = 10077) */
- /* bits 1-3 reflect the function latch state */
- #define IKCSR_TIMO 0x0010 /* bus timeout during dma */
- #define IKCSR_BERR 0x0020 /* bus error during dma */
- /* bit 6 reflects interrupt enable state */
- #define IKCSR_READY 0x0080 /* device ready for next command */
- /* bit 8 should be 0 */
- #define IKCSR_STATC 0x0200 /* status bit C */
- #define IKCSR_STATB 0x0400 /* status bit B */
- #define IKCSR_STATA 0x0800 /* status bit A */
- #define IKCSR_PERR 0x1000 /* parity error during pi/o or dma */
- #define IKCSR_ATTN 0x2000 /* current state of attention bit */
- #define IKCSR_ATTF 0x4000 /* latched attention t-f transition */
- #define IKCSR_DMAF 0x8000 /* dma completed or terminated */
-
- #define IKCSR_BITS \
- "\020\1DEV\2FNC1\3FNC2\4FNC3\5TIMO\6BERR\7IENA\10READY\12STATC\13STATB\14STATA\
- \15PERR\16ATTN\17ATTF\20DMAF"
-
- /*
- * Pulse command register definitions (write-only).
- */
- #define IKPULSE_GO 0x0001 /* enable dma */
- #define IKPULSE_FNC2 0x0004 /* pulse function bit 1 */
- #define IKPULSE_RIENA 0x0020 /* reset IKCSR_IENA */
- #define IKPULSE_SIENA 0x0040 /* set IKCSR_IENA */
- #define IKPULSE_CYCL 0x0100 /* force dma to cycle */
- #define IKPULSE_MCLR 0x1000 /* initialize interface */
- #define IKPULSE_RPERR 0x2000 /* reset IKCSR_PERR */
- #define IKPULSE_RATTF 0x4000 /* reset IKCSR_ATTF */
- #define IKPULSE_RDMAF 0x8000 /* reset IKCSR_DMAF */
-