168 lines
4.5 KiB
C
168 lines
4.5 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: autoconf.c 1.13 91/01/21
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* from: @(#)autoconf.c 7.5 (Berkeley) 5/7/91
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* $Id: autoconf.c,v 1.3 1993/08/01 19:25:11 mycroft Exp $
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*/
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#include "samachdep.h"
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#include "sys/param.h"
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#include "../dev/device.h"
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#include "../dev/grfvar.h"
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struct hp_hw sc_table[MAXCTLRS];
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extern int internalhpib;
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#if 0
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#include "rominfo.h"
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printrominfo()
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{
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struct rominfo *rp = (struct rominfo *)ROMADDR;
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printf("boottype %x, name %s, lowram %x, sysflag %x\n",
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rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
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printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
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rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
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}
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#endif
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configure()
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{
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find_devs();
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cninit();
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#if 0
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printrominfo();
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#endif
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hpibinit();
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scsiinit();
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}
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sctoaddr(sc)
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int sc;
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{
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if (sc == -1)
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return(GRFIADDR);
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if (sc == 7 && internalhpib)
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return(internalhpib);
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if (sc < 32)
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return(DIOBASE + sc * DIOCSIZE);
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if (sc >= 132)
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return(DIOIIBASE + (sc - 132) * DIOIICSIZE);
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return(sc);
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}
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/*
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* Probe all DIO select codes (0 - 32), the internal display address,
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* and DIO-II select codes (132 - 256).
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*
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* Note that we only care about displays, SCSIs and HP-IBs.
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*/
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find_devs()
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{
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short sc, sctop;
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u_char *id_reg;
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register caddr_t addr;
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register struct hp_hw *hw;
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extern int machineid;
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hw = sc_table;
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sctop = machineid == HP_320 ? 32 : 256;
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for (sc = -1; sc < sctop; sc++) {
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if (sc >= 32 && sc < 132)
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continue;
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addr = (caddr_t) sctoaddr(sc);
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if (badaddr(addr))
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continue;
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id_reg = (u_char *) addr;
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hw->hw_pa = addr;
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if (sc >= 132)
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hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
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else
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hw->hw_size = DIOCSIZE;
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hw->hw_kva = addr;
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hw->hw_id = id_reg[1];
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hw->hw_sc = sc;
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/*
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* Not all internal HP-IBs respond rationally to id requests
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* so we just go by the "internal HPIB" indicator in SYSFLAG.
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*/
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if (sc == 7 && internalhpib) {
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hw->hw_type = C_HPIB;
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hw++;
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continue;
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}
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switch (hw->hw_id) {
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case 5: /* 98642A */
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case 5+128: /* 98642A remote */
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hw->hw_type = D_COMMDCM;
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break;
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case 8: /* 98625B */
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case 128: /* 98624A */
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hw->hw_type = C_HPIB;
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break;
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case 57: /* Displays */
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hw->hw_type = D_BITMAP;
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hw->hw_secid = id_reg[0x15];
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switch (hw->hw_secid) {
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case 4: /* renaissance */
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case 8: /* davinci */
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sc++; /* occupy 2 select codes */
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break;
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}
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break;
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case 9:
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hw->hw_type = D_KEYBOARD;
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break;
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case 7:
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case 7+32:
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case 7+64:
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case 7+96:
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hw->hw_type = C_SCSI;
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break;
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default: /* who cares */
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hw->hw_type = D_MISC;
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break;
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}
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hw++;
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}
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}
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