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gvpbus.c revision 1.10 
      1 /*	$NetBSD: gvpbus.c,v 1.10 1996/03/17 01:17:23 thorpej 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 <amiga/amiga/device.h>
     35 #include <amiga/dev/zbusvar.h>
     36 #include <amiga/dev/gvpbusvar.h>
     37 
     38 void gvpbusattach __P((struct device *, struct device *, void *));
     39 int gvpbusmatch __P((struct device *, void *, void *));
     40 int gvpbusprint __P((void *auxp, char *));
     41 
     42 extern int sbic_no_dma;		/* Kludge for A1291 - mlh */
     43 
     44 struct cfattach gvpbus_ca = {
     45 	sizeof(struct device), gvpbusmatch, gvpbusattach
     46 };
     47 
     48 struct cfdriver gvpbus_cd = {
     49 	NULL, "gvpbus", DV_DULL, NULL, 0
     50 };
     51 
     52 int
     53 gvpbusmatch(pdp, match, auxp)
     54 	struct device *pdp;
     55 	void *match, *auxp;
     56 {
     57 	struct cfdata *cdp = match;
     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 	u_char *idreg;
     82 
     83 	zap = auxp;
     84 	bcopy(zap, &ga.zargs, sizeof(struct zbus_args));
     85 	ga.flags = 0;
     86 
     87 	/*
     88 	 * grab secondary type (or fake it if we have a series I)
     89 	 */
     90 	if (zap->prodid != 9) {
     91 		ga.prod = *((u_char *)zap->va + 0x8001) & 0xf8;
     92 		if (*((u_char *)zap->va + 0x8001) & 0x01)
     93 			ga.flags |= GVP_14MHZ;
     94 	printf(": subprod %02x flags %02x", *((u_char *)zap->va + 0x8001), ga.flags);
     95 #if 0
     96 	} else {
     97 		ga.prod = GVP_SERIESII;		/* really a series I */
     98 		ga.flags |= GVP_NOBANK;
     99 #endif
    100 	}
    101 
    102 
    103 	switch (ga.prod) {
    104 	/* no scsi */
    105 	case GVP_GFORCE_040:
    106 	case GVP_GFORCE_030:
    107 		ga.flags = GVP_IO;
    108 		/*FALLTHROUGH*/
    109 	case GVP_COMBO_R4:
    110 	case GVP_COMBO_R3:
    111 		ga.flags |= GVP_ACCEL;
    112 		break;
    113 	/* scsi */
    114 	case GVP_A1291_SCSI:
    115 		ga.flags |= GVP_SCSI | GVP_ACCEL;
    116 		sbic_no_dma = 1;	/* Kludge !!!!!!! mlh */
    117 		break;
    118 	case GVP_GFORCE_040_SCSI:
    119 		ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL;
    120 		break;
    121 	case GVP_GFORCE_030_SCSI:
    122 		ga.flags |= GVP_SCSI | GVP_IO | GVP_ACCEL | GVP_25BITDMA;
    123 		break;
    124 	case GVP_A530_SCSI:
    125 	case GVP_COMBO_R4_SCSI:
    126 		ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_25BITDMA;
    127 		if (ga.prod == GVP_COMBO_R4_SCSI)
    128 			ga.flags ^= GVP_14MHZ;
    129 		break;
    130 	case GVP_COMBO_R3_SCSI:
    131 		ga.flags |= GVP_SCSI | GVP_ACCEL | GVP_24BITDMA;
    132 		ga.flags ^= GVP_14MHZ;
    133 		break;
    134 	case GVP_SERIESII:
    135 		ga.flags |= GVP_SCSI | GVP_24BITDMA;
    136 		break;
    137 	/* misc */
    138 	case GVP_IOEXTEND:
    139 		ga.flags |= GVP_IO;
    140 		break;
    141 	default:
    142 		printf(": unknown Series II %x", ga.prod);
    143 	}
    144 	printf("\n");
    145 	/*
    146 	 * attempt to configure the board.
    147 	 */
    148 	config_found(dp, &ga, gvpbusprint);
    149 	/*
    150 	 * eventually when io support is added we need to
    151 	 * configure that too.
    152 	 */
    153 }
    154 
    155 int
    156 gvpbusprint(auxp, pnp)
    157 	void *auxp;
    158 	char *pnp;
    159 {
    160 	struct gvpbus_args *gap;
    161 
    162 	gap = auxp;
    163 	if (pnp == NULL)
    164 		return(QUIET);
    165 	/*
    166 	 * doesn't support io yet.
    167 	 */
    168 	if (gap->prod == GVP_IOEXTEND)
    169 		printf("gio at %s", pnp);
    170 	else
    171 		printf("gtsc at %s", pnp);
    172 	return(UNCONF);
    173 }
    174 
    175