1 /* 2 * Copyright (c) 1982, 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)hpibvar.h 7.3 (Berkeley) 5/7/91 34 * $Id: hpibvar.h,v 1.2 1993/05/22 07:56:22 cgd Exp $ 35 */ 36 37 #define HPIB_IPL(x) ((((x) >> 4) & 0x3) + 3) 38 39 #define HPIBA 32 40 #define HPIBB 1 41 #define HPIBC 8 42 #define HPIBA_BA 21 43 #define HPIBC_BA 30 44 #define HPIBA_IPL 3 45 46 #define CSA_BA 0x1F 47 48 #define IDS_WDMA 0x04 49 #define IDS_WRITE 0x08 50 #define IDS_IR 0x40 51 #define IDS_IE 0x80 52 #define IDS_DMA(x) (1 << (x)) 53 54 #define C_DCL 0x14 55 #define C_LAG 0x20 56 #define C_UNL 0x3f 57 #define C_TAG 0x40 58 #define C_UNA 0x5e 59 #define C_UNT 0x5f 60 #define C_SCG 0x60 61 62 struct hpib_softc { 63 struct hp_ctlr *sc_hc; 64 int sc_flags; 65 struct devqueue sc_dq; 66 struct devqueue sc_sq; 67 int sc_ba; 68 int sc_type; 69 char *sc_addr; 70 int sc_count; 71 int sc_curcnt; 72 }; 73 74 /* sc_flags */ 75 #define HPIBF_IO 0x1 76 #define HPIBF_DONE 0x2 77 #define HPIBF_PPOLL 0x4 78 #define HPIBF_READ 0x8 79 #define HPIBF_DMA16 0x8000 80 81 #ifdef KERNEL 82 extern struct hpib_softc hpib_softc[]; 83 extern caddr_t internalhpib; 84 extern int hpibtimeout; 85 extern int hpibdmathresh; 86 #endif 87