Home | History | Annotate | Line # | Download | only in nubus
if_sn_nubus.c revision 1.27
      1 /*	$NetBSD: if_sn_nubus.c,v 1.27 2007/06/10 05:59:43 tsutsui Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1997 Allen Briggs
      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 Allen Briggs
     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: if_sn_nubus.c,v 1.27 2007/06/10 05:59:43 tsutsui Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 #include <sys/ioctl.h>
     40 
     41 #include <net/if.h>
     42 #include <net/if_ether.h>
     43 
     44 #include <machine/bus.h>
     45 #include <machine/viareg.h>
     46 
     47 #include <dev/ic/dp83932reg.h>
     48 #include <dev/ic/dp83932var.h>
     49 
     50 #include <mac68k/nubus/nubus.h>
     51 #include <mac68k/dev/if_snvar.h>
     52 
     53 static int	sn_nubus_match(struct device *, struct cfdata *, void *);
     54 static void	sn_nubus_attach(struct device *, struct device *, void *);
     55 static int	sn_nb_card_vendor(bus_space_tag_t, bus_space_handle_t,
     56 		    struct nubus_attach_args *);
     57 
     58 CFATTACH_DECL(sn_nubus, sizeof(struct sonic_softc),
     59     sn_nubus_match, sn_nubus_attach, NULL, NULL);
     60 
     61 
     62 static int
     63 sn_nubus_match(struct device *parent, struct cfdata *cf, void *aux)
     64 {
     65 	struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
     66 	bus_space_handle_t bsh;
     67 	int rv;
     68 
     69 	if (bus_space_map(na->na_tag,
     70 	    NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
     71 		return (0);
     72 
     73 	rv = 0;
     74 
     75 	if (na->category == NUBUS_CATEGORY_NETWORK &&
     76 	    na->type == NUBUS_TYPE_ETHERNET) {
     77 		switch (sn_nb_card_vendor(na->na_tag, bsh, na)) {
     78 		default:
     79 			break;
     80 
     81 		case SN_VENDOR_APPLE:
     82 		case SN_VENDOR_APPLE16:
     83 		case SN_VENDOR_ASANTELC:
     84 		case SN_VENDOR_DAYNA:
     85 			rv = 1;
     86 			break;
     87 		}
     88 	}
     89 
     90 	bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
     91 
     92 	return rv;
     93 }
     94 
     95 /*
     96  * Install interface into kernel networking data structures
     97  */
     98 static void
     99 sn_nubus_attach(struct device *parent, struct device *self, void *aux)
    100 {
    101 	struct sonic_softc *sc = (void *)self;
    102 	struct nubus_attach_args *na = aux;
    103 	int i, success, offset;
    104 	bus_space_tag_t	bst;
    105 	bus_space_handle_t bsh, tmp_bsh;
    106 	uint8_t myaddr[ETHER_ADDR_LEN];
    107 	const char *cardtype;
    108 
    109 	bst = na->na_tag;
    110 	if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
    111 		printf(": failed to map memory space.\n");
    112 		return;
    113 	}
    114 
    115 	sc->sc_st = bst;
    116 	sc->sc_dmat = na->na_dmat;
    117 
    118 	cardtype = nubus_get_card_name(bst, bsh, na->fmt);
    119 
    120 	success = 0;
    121 	offset = 0;
    122 
    123 	switch (sn_nb_card_vendor(bst, bsh, na)) {
    124 	case SN_VENDOR_DAYNA:
    125 		sc->sc_dcr = DCR_BMS | DCR_RFT1 | DCR_TFT0;
    126 		sc->sc_dcr2 = 0;
    127 		sc->sc_32bit = 1;	/* 32 bit card */
    128 
    129 		if (bus_space_subregion(bst, bsh,
    130 		    0x00180000, SONIC_NREGS * 4, &sc->sc_sh)) {
    131 			printf(": failed to map register space.\n");
    132 			break;
    133 		}
    134 
    135 		if (bus_space_subregion(bst, bsh,
    136 		    0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) {
    137 			printf(": failed to map ROM space.\n");
    138 			break;
    139 		}
    140 
    141 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    142 
    143 		offset = 2;
    144 		success = 1;
    145 		break;
    146 
    147 	case SN_VENDOR_APPLE:
    148 		sc->sc_dcr = DCR_BMS | DCR_RFT1 | DCR_TFT0;
    149 		sc->sc_dcr2 = 0;
    150 		sc->sc_32bit = 1; /* 32 bit card */
    151 
    152 		if (bus_space_subregion(bst, bsh,
    153 		    0x0, SONIC_NREGS * 4, &sc->sc_sh)) {
    154 			printf(": failed to map register space.\n");
    155 			break;
    156 		}
    157 
    158 		if (bus_space_subregion(bst, bsh,
    159 		    0x40000, ETHER_ADDR_LEN, &tmp_bsh)) {
    160 			printf(": failed to map ROM space.\n");
    161 			break;
    162 		}
    163 
    164 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    165 
    166 		offset = 0;
    167 		success = 1;
    168 		break;
    169 
    170 	case SN_VENDOR_APPLE16:
    171 		sc->sc_dcr = DCR_EXBUS | DCR_BMS | DCR_PO1 |
    172 		    DCR_RFT1 | DCR_TFT0;
    173 		sc->sc_dcr2 = 0;
    174 		sc->sc_32bit = 0; /* 16 bit card */
    175 
    176 		if (bus_space_subregion(bst, bsh,
    177 		    0x0, SONIC_NREGS * 4, &sc->sc_sh)) {
    178 			printf(": failed to map register space.\n");
    179 			break;
    180 		}
    181 
    182 		if (bus_space_subregion(bst, bsh,
    183 		    0x40000, ETHER_ADDR_LEN, &tmp_bsh)) {
    184 			printf(": failed to map ROM space.\n");
    185 			break;
    186 		}
    187 
    188 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    189 
    190 		offset = 0;
    191 		success = 1;
    192 		break;
    193 
    194 	case SN_VENDOR_ASANTELC: /* Macintosh LC Ethernet Adapter */
    195 		sc->sc_dcr = DCR_BMS | DCR_PO1 | DCR_RFT1 | DCR_TFT0;
    196 		sc->sc_dcr2 = 0;
    197 		sc->sc_32bit = 0; /* 16 bit card */
    198 
    199 		if (bus_space_subregion(bst, bsh,
    200 		    0x0, SONIC_NREGS * 4, &sc->sc_sh)) {
    201 			printf(": failed to map register space.\n");
    202 			break;
    203 		}
    204 
    205 		if (bus_space_subregion(bst, bsh,
    206 		    0x400000, ETHER_ADDR_LEN, &tmp_bsh)) {
    207 			printf(": failed to map ROM space.\n");
    208 			break;
    209 		}
    210 
    211 		sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
    212 
    213 		offset = 0;
    214 		success = 1;
    215 		break;
    216 
    217 	default:
    218 		/*
    219 		 * You can't actually get this default, the snmatch
    220 		 * will fail for unknown hardware. If you're adding support
    221 		 * for a new card, the following defaults are a
    222 		 * good starting point.
    223 		 */
    224 		sc->sc_dcr = DCR_SBUS | DCR_BMS | DCR_RFT1 | DCR_TFT0;
    225 		sc->sc_dcr2 = 0;
    226 		sc->sc_32bit = 1;
    227 		success = 0;
    228 		printf(": unknown card: attachment incomplete.\n");
    229 	}
    230 
    231 	if (!success) {
    232 		bus_space_unmap(bst, bsh, NBMEMSIZE);
    233 		return;
    234 	}
    235 
    236 	/* Regs are addressed as words, big endian. */
    237 	for (i = 0; i < SONIC_NREGS; i++) {
    238 		sc->sc_regmap[i] = (bus_size_t)((i * 4) + offset);
    239 	}
    240 
    241 	sc->sc_bigendian = 1;
    242 
    243 	printf(": %s\n", cardtype);
    244 
    245 	add_nubus_intr(na->slot, (void (*)(void *))sonic_intr, (void *)sc);
    246 
    247 	sonic_attach(sc, myaddr);
    248 
    249 	return;
    250 }
    251 
    252 static int
    253 sn_nb_card_vendor(bus_space_tag_t bst, bus_space_handle_t bsh,
    254     struct nubus_attach_args *na)
    255 {
    256 	int vendor = SN_VENDOR_UNKNOWN;
    257 
    258 	switch (na->drsw) {
    259 	case NUBUS_DRSW_3COM:
    260 		if (na->drhw == NUBUS_DRHW_APPLE_SNT)
    261 			vendor = SN_VENDOR_APPLE;
    262 		else if (na->drhw == NUBUS_DRHW_APPLE_SN)
    263 			vendor = SN_VENDOR_APPLE16;
    264 		break;
    265 	case NUBUS_DRSW_APPLE:
    266 		if (na->drhw == NUBUS_DRHW_ASANTE_LC)
    267 			vendor = SN_VENDOR_ASANTELC;
    268 		else
    269 			vendor = SN_VENDOR_APPLE;
    270 		break;
    271 	case NUBUS_DRSW_TECHWORKS:
    272 		vendor = SN_VENDOR_APPLE;
    273 		break;
    274 	case NUBUS_DRSW_GATOR:
    275 		if (na->drhw == NUBUS_DRHW_KINETICS &&
    276 		    strncmp(nubus_get_card_name(bst, bsh, na->fmt),
    277 		    "EtherPort", 9) != 0)
    278 			vendor = SN_VENDOR_DAYNA;
    279 		break;
    280 	case NUBUS_DRSW_DAYNA:
    281 		vendor = SN_VENDOR_DAYNA;
    282 		break;
    283 	}
    284 
    285 	return vendor;
    286 }
    287