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gvpbus.c revision 1.19 
      1 /*	$NetBSD: gvpbus.c,v 1.19 2002/01/28 09:56:57 aymeric 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 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: gvpbus.c,v 1.19 2002/01/28 09:56:57 aymeric Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/device.h>
     38 #include <sys/systm.h>
     39 #include <amiga/amiga/device.h>
     40 #include <amiga/dev/zbusvar.h>
     41 #include <amiga/dev/gvpbusvar.h>
     42 
     43 void gvpbusattach(struct device *, struct device *, void *);
     44 int gvpbusmatch(struct device *, struct cfdata *, void *);
     45 int gvpbusprint(void *auxp, const char *);
     46 
     47 extern int sbic_no_dma;		/* Kludge for A1291 - mlh */
     48 
     49 struct cfattach gvpbus_ca = {
     50 	sizeof(struct device), gvpbusmatch, gvpbusattach
     51 };
     52 
     53 int
     54 gvpbusmatch(struct device *pdp, struct cfdata *cfp, void *auxp)
     55 {
     56 	struct zbus_args *zap;
     57 
     58 	zap = auxp;
     59 
     60 	/*
     61 	 * Check manufacturer and product id.
     62 	 */
     63 #if 0
     64 	if (zap->manid == 2017 && (zap->prodid == 11 || zap->prodid == 2))
     65 #else
     66 	if (zap->manid == 2017 && zap->prodid == 11)
     67 #endif
     68 		return(1);
     69 	return(0);
     70 }
     71 
     72 void
     73 gvpbusattach(struct device *pdp, struct device *dp, void *auxp)
     74 {
     75 	struct zbus_args *zap;
     76 	struct gvpbus_args ga;
     77 	int flags0, flags;
     78 
     79 	zap = auxp;
     80 	bcopy(zap, &ga.zargs, sizeof(struct zbus_args));
     81 	flags = 0;
     82 
     83 	/*
     84 	 * grab secondary type (or fake it if we have a series I)
     85 	 */
     86 	if (zap->prodid != 9) {
     87 		ga.prod = *((u_char *)zap->va + 0x8001) & 0xf8;
     88 		if (*((u_char *)zap->va + 0x8001) & 0x01)
     89 			flags |= GVP_14MHZ;
     90 	printf(": subprod %02x flags %02x", *((u_char *)zap->va + 0x8001), flags);
     91 #if 0
     92 	} else {
     93 		ga.prod = GVP_SERIESII;		/* really a series I */
     94 		flags |= GVP_NOBANK;
     95 #endif
     96 	}
     97 
     98 
     99 	switch (ga.prod) {
    100 	/* no scsi */
    101 	case GVP_GFORCE_040:
    102 	case GVP_GFORCE_030:
    103 		flags = GVP_IO;
    104 		/*FALLTHROUGH*/
    105 	case GVP_COMBO_R4:
    106 	case GVP_COMBO_R3:
    107 		flags |= GVP_ACCEL;
    108 		break;
    109 	/* scsi */
    110 	case GVP_A1291_SCSI:
    111 		flags |= GVP_SCSI | GVP_ACCEL;
    112 		sbic_no_dma = 1;	/* Kludge !!!!!!! mlh */
    113 		break;
    114 	case GVP_GFORCE_040_SCSI:
    115 		flags |= GVP_SCSI | GVP_IO | GVP_ACCEL;
    116 		break;
    117 	case GVP_GFORCE_030_SCSI:
    118 		flags |= GVP_SCSI | GVP_IO | GVP_ACCEL | GVP_25BITDMA;
    119 		break;
    120 	case GVP_A530_SCSI:
    121 	case GVP_COMBO_R4_SCSI:
    122 		flags |= GVP_SCSI | GVP_ACCEL | GVP_25BITDMA;
    123 		if (ga.prod == GVP_COMBO_R4_SCSI)
    124 			flags ^= GVP_14MHZ;
    125 		break;
    126 	case GVP_COMBO_R3_SCSI:
    127 		flags |= GVP_SCSI | GVP_ACCEL | GVP_24BITDMA;
    128 		flags ^= GVP_14MHZ;
    129 		break;
    130 	case GVP_SERIESII:
    131 		flags |= GVP_SCSI | GVP_24BITDMA;
    132 		break;
    133 	/* misc */
    134 	case GVP_IOEXTEND:
    135 		flags |= GVP_IO;
    136 		break;
    137 	default:
    138 		printf(": unknown Series II %x", ga.prod);
    139 	}
    140 	printf("\n");
    141 	/*
    142 	 * attempt to configure the board.
    143 	 */
    144 
    145 	flags0 = flags & ~(GVP_IO|GVP_SCSI);
    146 
    147 	if (flags & GVP_SCSI) {
    148 		ga.flags = flags0 | GVP_SCSI;
    149 		config_found(dp, &ga, gvpbusprint);
    150 	}
    151 	if (flags & GVP_IO) {
    152 		ga.flags = flags0 | GVP_IO;
    153 		config_found(dp, &ga, gvpbusprint);
    154 	}
    155 }
    156 
    157 int
    158 gvpbusprint(void *auxp, const 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