1 /* $NetBSD: hpibvar.h,v 1.4 1994/10/26 07:24:19 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)hpibvar.h 8.1 (Berkeley) 6/10/93 36 */ 37 38 #define HPIB_IPL(x) ((((x) >> 4) & 0x3) + 3) 39 40 #define HPIBA 32 41 #define HPIBB 1 42 #define HPIBC 8 43 #define HPIBA_BA 21 44 #define HPIBC_BA 30 45 #define HPIBA_IPL 3 46 47 #define CSA_BA 0x1F 48 49 #define IDS_WDMA 0x04 50 #define IDS_WRITE 0x08 51 #define IDS_IR 0x40 52 #define IDS_IE 0x80 53 #define IDS_DMA(x) (1 << (x)) 54 55 #define C_DCL 0x14 56 #define C_LAG 0x20 57 #define C_UNL 0x3f 58 #define C_TAG 0x40 59 #define C_UNA 0x5e 60 #define C_UNT 0x5f 61 #define C_SCG 0x60 62 63 struct hpib_softc { 64 struct hp_ctlr *sc_hc; 65 int sc_flags; 66 struct devqueue sc_dq; 67 struct devqueue sc_sq; 68 int sc_ba; 69 int sc_type; 70 char *sc_addr; 71 int sc_count; 72 int sc_curcnt; 73 }; 74 75 /* sc_flags */ 76 #define HPIBF_IO 0x1 77 #define HPIBF_DONE 0x2 78 #define HPIBF_PPOLL 0x4 79 #define HPIBF_READ 0x8 80 #define HPIBF_DMA16 0x8000 81 82 #ifdef KERNEL 83 extern struct hpib_softc hpib_softc[]; 84 extern caddr_t internalhpib; 85 extern int hpibtimeout; 86 extern int hpibdmathresh; 87 void fhpibppwatch __P((void *arg)); 88 void nhpibppwatch __P((void *arg)); 89 #endif 90