1 /* $NetBSD: ncr5380var.h,v 1.5 2005/12/24 23:24:00 perry Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Allen Briggs. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Allen Briggs. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 static volatile u_char *scsi_enable = NULL; 33 static volatile u_char *scsi_flag = NULL; 34 35 static inline void 36 scsi_clear_drq(void) 37 { 38 int s; 39 40 s = splhigh(); 41 *scsi_flag = 0x80 | V2IF_SCSIDRQ; 42 splx(s); 43 } 44 45 static inline void 46 scsi_clear_irq(void) 47 { 48 int s; 49 50 s = splhigh(); 51 *scsi_flag = 0x80 | V2IF_SCSIIRQ; 52 splx(s); 53 } 54 55 static inline void 56 scsi_ienable(void) 57 { 58 int s; 59 60 s = splhigh(); 61 *scsi_enable = 0x80 | (V2IF_SCSIIRQ | V2IF_SCSIDRQ); 62 splx(s); 63 } 64 65 static inline void 66 scsi_idisable(void) 67 { 68 int s; 69 70 s = splhigh(); 71 *scsi_enable = V2IF_SCSIIRQ | V2IF_SCSIDRQ; 72 splx(s); 73 } 74 75 void pdma_stat(void); 76 void pdma_cleanup(void); 77 void scsi_show(void); 78 79