NetBSD/sys/arch/amiga/dev/gvpbus.c

175 lines
4.6 KiB
C

/* $NetBSD: gvpbus.c,v 1.15 1996/12/23 09:10:12 veego Exp $ */
/*
* Copyright (c) 1994 Christian E. Hopps
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christian E. Hopps.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <amiga/amiga/device.h>
#include <amiga/dev/zbusvar.h>
#include <amiga/dev/gvpbusvar.h>
void gvpbusattach __P((struct device *, struct device *, void *));
int gvpbusmatch __P((struct device *, struct cfdata *, void *));
int gvpbusprint __P((void *auxp, const char *));
extern int sbic_no_dma; /* Kludge for A1291 - mlh */
struct cfattach gvpbus_ca = {
sizeof(struct device), gvpbusmatch, gvpbusattach
};
struct cfdriver gvpbus_cd = {
NULL, "gvpbus", DV_DULL, NULL, 0
};
int
gvpbusmatch(pdp, cfp, auxp)
struct device *pdp;
struct cfdata *cfp;
void *auxp;
{
struct zbus_args *zap;
zap = auxp;
/*
* Check manufacturer and product id.
*/
#if 0
if (zap->manid == 2017 && (zap->prodid == 11 || zap->prodid == 2))
#else
if (zap->manid == 2017 && zap->prodid == 11)
#endif
return(1);
return(0);
}
void
gvpbusattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
struct zbus_args *zap;
struct gvpbus_args ga;
zap = auxp;
bcopy(zap, &ga.zargs, sizeof(struct zbus_args));
ga.flags = 0;
/*
* grab secondary type (or fake it if we have a series I)
*/
if (zap->prodid != 9) {
ga.prod = *((u_char *)zap->va + 0x8001) & 0xf8;
if (*((u_char *)zap->va + 0x8001) & 0x01)
ga.flags |= GVP_14MHZ;
printf(": subprod %02x flags %02x", *((u_char *)zap->va + 0x8001), ga.flags);
#if 0
} else {
ga.prod = GVP_SERIESII; /* really a series I */
ga.flags |= GVP_NOBANK;
#endif
}
switch (ga.prod) {
/* no scsi */
case GVP_GFORCE_040:
case GVP_GFORCE_030:
ga.flags = GVP_IO;
/*FALLTHROUGH*/
case GVP_COMBO_R4:
case GVP_COMBO_R3:
ga.flags |= GVP_ACCEL;
break;
/* scsi */
case GVP_A1291_SCSI:
ga.flags |= GVP_SCSI | GVP_ACCEL;
sbic_no_dma = 1; /* Kludge !!!!!!! mlh */
break;
case GVP_GFORCE_040_SCSI:
ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL;
break;
case GVP_GFORCE_030_SCSI:
ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL | GVP_25BITDMA;
break;
case GVP_A530_SCSI:
case GVP_COMBO_R4_SCSI:
ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_25BITDMA;
if (ga.prod == GVP_COMBO_R4_SCSI)
ga.flags ^= GVP_14MHZ;
break;
case GVP_COMBO_R3_SCSI:
ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_24BITDMA;
ga.flags ^= GVP_14MHZ;
break;
case GVP_SERIESII:
ga.flags |= GVP_SCSI | GVP_24BITDMA;
break;
/* misc */
case GVP_IOEXTEND:
ga.flags |= GVP_IO;
break;
default:
printf(": unknown Series II %x", ga.prod);
}
printf("\n");
/*
* attempt to configure the board.
*/
config_found(dp, &ga, gvpbusprint);
/*
* eventually when io support is added we need to
* configure that too.
*/
}
int
gvpbusprint(auxp, pnp)
void *auxp;
const char *pnp;
{
struct gvpbus_args *gap;
gap = auxp;
if (pnp == NULL)
return(QUIET);
/*
* doesn't support io yet.
*/
if (gap->prod == GVP_IOEXTEND)
printf("gio at %s", pnp);
else
printf("gtsc at %s", pnp);
return(UNCONF);
}