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gvpbus.c revision 1.12 
      1 /*	$NetBSD: gvpbus.c,v 1.12 1996/08/27 21:55:00 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Christian E. Hopps
      5  * 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 Christian E. Hopps.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 #include <sys/param.h>
     33 #include <sys/device.h>
     34 #include <sys/systm.h>
     35 #include <amiga/amiga/device.h>
     36 #include <amiga/dev/zbusvar.h>
     37 #include <amiga/dev/gvpbusvar.h>
     38 
     39 void gvpbusattach __P((struct device *, struct device *, void *));
     40 int gvpbusmatch __P((struct device *, void *, void *));
     41 int gvpbusprint __P((void *auxp, const char *));
     42 
     43 extern int sbic_no_dma;		/* Kludge for A1291 - mlh */
     44 
     45 struct cfattach gvpbus_ca = {
     46 	sizeof(struct device), gvpbusmatch, gvpbusattach
     47 };
     48 
     49 struct cfdriver gvpbus_cd = {
     50 	NULL, "gvpbus", DV_DULL, NULL, 0
     51 };
     52 
     53 int
     54 gvpbusmatch(pdp, match, auxp)
     55 	struct device *pdp;
     56 	void *match, *auxp;
     57 {
     58 	struct zbus_args *zap;
     59 
     60 	zap = auxp;
     61 
     62 	/*
     63 	 * Check manufacturer and product id.
     64 	 */
     65 #if 0
     66 	if (zap->manid == 2017 && (zap->prodid == 11 || zap->prodid == 2))
     67 #else
     68 	if (zap->manid == 2017 && zap->prodid == 11)
     69 #endif
     70 		return(1);
     71 	return(0);
     72 }
     73 
     74 void
     75 gvpbusattach(pdp, dp, auxp)
     76 	struct device *pdp, *dp;
     77 	void *auxp;
     78 {
     79 	struct zbus_args *zap;
     80 	struct gvpbus_args ga;
     81 
     82 	zap = auxp;
     83 	bcopy(zap, &ga.zargs, sizeof(struct zbus_args));
     84 	ga.flags = 0;
     85 
     86 	/*
     87 	 * grab secondary type (or fake it if we have a series I)
     88 	 */
     89 	if (zap->prodid != 9) {
     90 		ga.prod = *((u_char *)zap->va + 0x8001) & 0xf8;
     91 		if (*((u_char *)zap->va + 0x8001) & 0x01)
     92 			ga.flags |= GVP_14MHZ;
     93 	printf(": subprod %02x flags %02x", *((u_char *)zap->va + 0x8001), ga.flags);
     94 #if 0
     95 	} else {
     96 		ga.prod = GVP_SERIESII;		/* really a series I */
     97 		ga.flags |= GVP_NOBANK;
     98 #endif
     99 	}
    100 
    101 
    102 	switch (ga.prod) {
    103 	/* no scsi */
    104 	case GVP_GFORCE_040:
    105 	case GVP_GFORCE_030:
    106 		ga.flags = GVP_IO;
    107 		/*FALLTHROUGH*/
    108 	case GVP_COMBO_R4:
    109 	case GVP_COMBO_R3:
    110 		ga.flags |= GVP_ACCEL;
    111 		break;
    112 	/* scsi */
    113 	case GVP_A1291_SCSI:
    114 		ga.flags |= GVP_SCSI | GVP_ACCEL;
    115 		sbic_no_dma = 1;	/* Kludge !!!!!!! mlh */
    116 		break;
    117 	case GVP_GFORCE_040_SCSI:
    118 		ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL;
    119 		break;
    120 	case GVP_GFORCE_030_SCSI:
    121 		ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL | GVP_25BITDMA;
    122 		break;
    123 	case GVP_A530_SCSI:
    124 	case GVP_COMBO_R4_SCSI:
    125 		ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_25BITDMA;
    126 		if (ga.prod == GVP_COMBO_R4_SCSI)
    127 			ga.flags ^= GVP_14MHZ;
    128 		break;
    129 	case GVP_COMBO_R3_SCSI:
    130 		ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_24BITDMA;
    131 		ga.flags ^= GVP_14MHZ;
    132 		break;
    133 	case GVP_SERIESII:
    134 		ga.flags |= GVP_SCSI | GVP_24BITDMA;
    135 		break;
    136 	/* misc */
    137 	case GVP_IOEXTEND:
    138 		ga.flags |= GVP_IO;
    139 		break;
    140 	default:
    141 		printf(": unknown Series II %x", ga.prod);
    142 	}
    143 	printf("\n");
    144 	/*
    145 	 * attempt to configure the board.
    146 	 */
    147 	config_found(dp, &ga, gvpbusprint);
    148 	/*
    149 	 * eventually when io support is added we need to
    150 	 * configure that too.
    151 	 */
    152 }
    153 
    154 int
    155 gvpbusprint(auxp, pnp)
    156 	void *auxp;
    157 	const char *pnp;
    158 {
    159 	struct gvpbus_args *gap;
    160 
    161 	gap = auxp;
    162 	if (pnp == NULL)
    163 		return(QUIET);
    164 	/*
    165 	 * doesn't support io yet.
    166 	 */
    167 	if (gap->prod == GVP_IOEXTEND)
    168 		printf("gio at %s", pnp);
    169 	else
    170 		printf("gtsc at %s", pnp);
    171 	return(UNCONF);
    172 }
    173 
    174