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if_cs_isapnp.c revision 1.12 
      1 /* $NetBSD: if_cs_isapnp.c,v 1.12 2009/03/14 15:36:18 dsl Exp $ */
      2 
      3 /*-
      4  * Copyright (c)2001 YAMAMOTO Takashi,
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: if_cs_isapnp.c,v 1.12 2009/03/14 15:36:18 dsl Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/device.h>
     35 #include <sys/socket.h>
     36 
     37 #include "rnd.h"
     38 #if NRND > 0
     39 #include <sys/rnd.h>
     40 #endif
     41 
     42 #include <net/if.h>
     43 #include <net/if_ether.h>
     44 #include <net/if_media.h>
     45 
     46 #include <sys/bus.h>
     47 #include <sys/intr.h>
     48 
     49 #include <dev/isa/isavar.h>
     50 
     51 #include <dev/ic/cs89x0reg.h>
     52 #include <dev/ic/cs89x0var.h>
     53 
     54 #include <dev/isapnp/isapnpreg.h>
     55 #include <dev/isapnp/isapnpvar.h>
     56 #include <dev/isapnp/isapnpdevs.h>
     57 
     58 #define DEVNAME(sc) device_xname(&((sc)->sc_dev))
     59 
     60 int cs_isapnp_match(struct device *, struct cfdata *, void *);
     61 void cs_isapnp_attach(struct device *, struct device *, void *);
     62 
     63 CFATTACH_DECL(cs_isapnp, sizeof(struct cs_softc),
     64     cs_isapnp_match, cs_isapnp_attach, NULL, NULL);
     65 
     66 int
     67 cs_isapnp_match(struct device *parent, struct cfdata *match, void *aux)
     68 {
     69 	int pri, variant;
     70 
     71 	pri = isapnp_devmatch(aux, &isapnp_cs_devinfo, &variant);
     72 	if (pri && variant > 0)
     73 		pri = 0;
     74 	return pri;
     75 }
     76 
     77 void
     78 cs_isapnp_attach(parent, self, aux)
     79 	struct device *parent, *self;
     80 	void *aux;
     81 {
     82 	struct cs_softc *sc = device_private(self);
     83 	struct isapnp_attach_args *ipa = aux;
     84 #ifdef notyet
     85 	struct cs_softc_isa *isc = (void *)sc;
     86 	int i;
     87 #endif
     88 
     89 	printf("\n");
     90 
     91 	if (ipa->ipa_nio != 1 || ipa->ipa_nirq != 1 || ipa->ipa_ndrq) {
     92 		printf("%s: unexpected resource requirements\n",
     93 			DEVNAME(sc));
     94 		return;
     95 	}
     96 
     97 	if (ipa->ipa_io[0].length != CS8900_IOSIZE) {
     98 		printf("%s: unexpected io size\n", DEVNAME(sc));
     99 		return;
    100 	}
    101 
    102 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    103 		printf("%s: unable to allocate resources\n", DEVNAME(sc));
    104 		return;
    105 	}
    106 
    107 	printf("%s: %s %s\n", DEVNAME(sc), ipa->ipa_devident,
    108 		ipa->ipa_devclass);
    109 
    110 #ifdef notyet
    111 #ifdef DEBUG
    112 	printf("%s: nio=%u, nmem=%u, nmem32=%u, ndrq=%u, nirq=%u\n", DEVNAME(sc),
    113 		ipa->ipa_nio, ipa->ipa_nmem, ipa->ipa_nmem32, ipa->ipa_ndrq, ipa->ipa_nirq);
    114 #endif
    115 	isc->sc_ic = ipa->ipa_ic;
    116 	isc->sc_drq = -1;
    117 #endif
    118 	sc->sc_iot = ipa->ipa_iot;
    119 	sc->sc_ioh = ipa->ipa_io[0].h;
    120 	sc->sc_irq = ipa->ipa_irq[0].num;
    121 
    122 #ifdef notyet
    123 	for (i = 0; i < ipa->ipa_nmem; i++) {
    124 		if (ipa->ipa_mem[i].length == CS8900_MEMSIZE) {
    125 #if 0
    126 			u_int16_t id;
    127 
    128 			id = CS_READ_PACKET_PAGE_MEM(sc, PKTPG_EISA_NUM);
    129 			if (id != EISA_NUM_CRYSTAL) {
    130 				printf("%s: unexpected id(%u)\n",
    131 					 DEVNAME(sc), id);
    132 				continue;
    133 			}
    134 			printf("%s: correct id(%u) from mem=%u\n",
    135 				 DEVNAME(sc), id, (u_int)ipa->ipa_mem[i].h);
    136 #endif
    137 
    138 			sc->sc_memt = ipa->ipa_memt;
    139 			sc->sc_memh = ipa->ipa_mem[i].h;
    140 			sc->sc_pktpgaddr = ipa->ipa_mem[i].base;
    141 			sc->sc_cfgflags |= CFGFLG_MEM_MODE;
    142 			printf("%s: memory mode\n", DEVNAME(sc));
    143 			break;
    144 		}
    145 	}
    146 #endif
    147 
    148 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    149 		ipa->ipa_irq[0].type, IPL_NET, cs_intr, sc);
    150 	if (sc->sc_ih == 0) {
    151 		printf("%s: unable to establish interrupt\n",
    152 			DEVNAME(sc));
    153 		goto fail;
    154 	}
    155 
    156 	if (cs_attach(sc, 0, 0, 0, 0)) {
    157 		printf("%s: unable to attach\n", DEVNAME(sc));
    158 		goto fail;
    159 	}
    160 
    161 	return;
    162 
    163 fail:
    164 	if (sc->sc_ih)
    165 		isa_intr_disestablish(ipa->ipa_ic, sc->sc_ih);
    166 	isapnp_unconfig(ipa->ipa_iot, ipa->ipa_memt, ipa);
    167 }
    168