174 lines
4.5 KiB
C
174 lines
4.5 KiB
C
/* $NetBSD: gvpbus.c,v 1.13 1996/10/10 23:55:59 christos Exp $ */
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/*
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* Copyright (c) 1994 Christian E. Hopps
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* All rights reserved.
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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 Christian E. Hopps.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <amiga/amiga/device.h>
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#include <amiga/dev/zbusvar.h>
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#include <amiga/dev/gvpbusvar.h>
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void gvpbusattach __P((struct device *, struct device *, void *));
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int gvpbusmatch __P((struct device *, void *, void *));
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int gvpbusprint __P((void *auxp, const char *));
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extern int sbic_no_dma; /* Kludge for A1291 - mlh */
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struct cfattach gvpbus_ca = {
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sizeof(struct device), gvpbusmatch, gvpbusattach
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};
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struct cfdriver gvpbus_cd = {
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NULL, "gvpbus", DV_DULL, NULL, 0
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};
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int
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gvpbusmatch(pdp, match, auxp)
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struct device *pdp;
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void *match, *auxp;
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{
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struct zbus_args *zap;
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zap = auxp;
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/*
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* Check manufacturer and product id.
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*/
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#if 0
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if (zap->manid == 2017 && (zap->prodid == 11 || zap->prodid == 2))
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#else
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if (zap->manid == 2017 && zap->prodid == 11)
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#endif
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return(1);
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return(0);
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}
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void
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gvpbusattach(pdp, dp, auxp)
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struct device *pdp, *dp;
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void *auxp;
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{
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struct zbus_args *zap;
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struct gvpbus_args ga;
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zap = auxp;
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bcopy(zap, &ga.zargs, sizeof(struct zbus_args));
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ga.flags = 0;
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/*
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* grab secondary type (or fake it if we have a series I)
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*/
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if (zap->prodid != 9) {
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ga.prod = *((u_char *)zap->va + 0x8001) & 0xf8;
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if (*((u_char *)zap->va + 0x8001) & 0x01)
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ga.flags |= GVP_14MHZ;
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kprintf(": subprod %02x flags %02x", *((u_char *)zap->va + 0x8001), ga.flags);
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#if 0
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} else {
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ga.prod = GVP_SERIESII; /* really a series I */
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ga.flags |= GVP_NOBANK;
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#endif
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}
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switch (ga.prod) {
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/* no scsi */
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case GVP_GFORCE_040:
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case GVP_GFORCE_030:
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ga.flags = GVP_IO;
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/*FALLTHROUGH*/
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case GVP_COMBO_R4:
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case GVP_COMBO_R3:
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ga.flags |= GVP_ACCEL;
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break;
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/* scsi */
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case GVP_A1291_SCSI:
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ga.flags |= GVP_SCSI | GVP_ACCEL;
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sbic_no_dma = 1; /* Kludge !!!!!!! mlh */
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break;
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case GVP_GFORCE_040_SCSI:
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ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL;
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break;
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case GVP_GFORCE_030_SCSI:
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ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL | GVP_25BITDMA;
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break;
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case GVP_A530_SCSI:
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case GVP_COMBO_R4_SCSI:
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ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_25BITDMA;
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if (ga.prod == GVP_COMBO_R4_SCSI)
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ga.flags ^= GVP_14MHZ;
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break;
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case GVP_COMBO_R3_SCSI:
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ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_24BITDMA;
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ga.flags ^= GVP_14MHZ;
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break;
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case GVP_SERIESII:
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ga.flags |= GVP_SCSI | GVP_24BITDMA;
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break;
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/* misc */
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case GVP_IOEXTEND:
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ga.flags |= GVP_IO;
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break;
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default:
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kprintf(": unknown Series II %x", ga.prod);
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}
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kprintf("\n");
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/*
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* attempt to configure the board.
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*/
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config_found(dp, &ga, gvpbusprint);
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/*
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* eventually when io support is added we need to
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* configure that too.
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*/
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}
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int
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gvpbusprint(auxp, pnp)
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void *auxp;
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const char *pnp;
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{
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struct gvpbus_args *gap;
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gap = auxp;
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if (pnp == NULL)
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return(QUIET);
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/*
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* doesn't support io yet.
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*/
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if (gap->prod == GVP_IOEXTEND)
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kprintf("gio at %s", pnp);
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else
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kprintf("gtsc at %s", pnp);
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return(UNCONF);
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}
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