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      1 /* $NetBSD: if_cs_isapnp.c,v 1.20 2016/07/14 04:00:45 msaitoh 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 1.20 2016/07/14 04:00:45 msaitoh 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 <net/if.h>
     38 #include <net/if_ether.h>
     39 #include <net/if_media.h>
     40 
     41 #include <sys/bus.h>
     42 #include <sys/intr.h>
     43 
     44 #include <dev/isa/isavar.h>
     45 
     46 #include <dev/ic/cs89x0reg.h>
     47 #include <dev/ic/cs89x0var.h>
     48 
     49 #include <dev/isapnp/isapnpreg.h>
     50 #include <dev/isapnp/isapnpvar.h>
     51 #include <dev/isapnp/isapnpdevs.h>
     52 
     53 #define DEVNAME(sc) device_xname((sc)->sc_dev)
     54 
     55 static int cs_isapnp_match(device_t, cfdata_t, void *);
     56 static void cs_isapnp_attach(device_t, device_t, void *);
     57 
     58 #ifdef notyet
     59 CFATTACH_DECL_NEW(cs_isapnp, sizeof(struct cs_softc_isa),
     60     cs_isapnp_match, cs_isapnp_attach, NULL, NULL);
     61 #else
     62 CFATTACH_DECL_NEW(cs_isapnp, sizeof(struct cs_softc),
     63     cs_isapnp_match, cs_isapnp_attach, NULL, NULL);
     64 #endif
     65 
     66 int
     67 cs_isapnp_match(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
     79 {
     80 #ifdef notyet
     81 	struct cs_softc_isa *isc = device_private(sc);
     82 	struct cs_softc *sc = &sc->sc_cs;
     83 #else
     84 	struct cs_softc *sc = device_private(self);
     85 #endif
     86 	struct isapnp_attach_args *ipa = aux;
     87 #ifdef notyet
     88 	int i;
     89 #endif
     90 
     91 	sc->sc_dev = self;
     92 
     93 	printf("\n");
     94 
     95 	if (ipa->ipa_nio != 1 || ipa->ipa_nirq != 1 || ipa->ipa_ndrq) {
     96 		aprint_error_dev(self, "unexpected resource requirements\n");
     97 		return;
     98 	}
     99 
    100 	if (ipa->ipa_io[0].length != CS8900_IOSIZE) {
    101 		aprint_error_dev(self, "unexpected io size\n");
    102 		return;
    103 	}
    104 
    105 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    106 		aprint_error_dev(self, "unable to allocate resources\n");
    107 		return;
    108 	}
    109 
    110 	aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
    111 	    ipa->ipa_devclass);
    112 
    113 #ifdef notyet
    114 #ifdef DEBUG
    115 	printf("%s: nio=%u, nmem=%u, nmem32=%u, ndrq=%u, nirq=%u\n",
    116 	    DEVNAME(sc), ipa->ipa_nio, ipa->ipa_nmem, ipa->ipa_nmem32,
    117 	    ipa->ipa_ndrq, ipa->ipa_nirq);
    118 #endif
    119 	isc->sc_ic = ipa->ipa_ic;
    120 	isc->sc_drq = -1;
    121 #endif
    122 	sc->sc_iot = ipa->ipa_iot;
    123 	sc->sc_ioh = ipa->ipa_io[0].h;
    124 	sc->sc_irq = ipa->ipa_irq[0].num;
    125 
    126 #ifdef notyet
    127 	for (i = 0; i < ipa->ipa_nmem; i++) {
    128 		if (ipa->ipa_mem[i].length == CS8900_MEMSIZE) {
    129 #if 0
    130 			u_int16_t id;
    131 
    132 			id = CS_READ_PACKET_PAGE_MEM(sc, PKTPG_EISA_NUM);
    133 			if (id != EISA_NUM_CRYSTAL) {
    134 				aprint_verbose_dev(self, "unexpected id(%u)\n",
    135 				    id);
    136 				continue;
    137 			}
    138 			aprint_verbose_dev(self,"correct id(%u) from mem=%u\n",
    139 			    id, (u_int)ipa->ipa_mem[i].h);
    140 #endif
    141 
    142 			sc->sc_memt = ipa->ipa_memt;
    143 			sc->sc_memh = ipa->ipa_mem[i].h;
    144 			sc->sc_pktpgaddr = ipa->ipa_mem[i].base;
    145 			sc->sc_cfgflags |= CFGFLG_MEM_MODE;
    146 			aprint_normal_dev(self, "memory mode\n");
    147 			break;
    148 		}
    149 	}
    150 #endif
    151 
    152 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    153 		ipa->ipa_irq[0].type, IPL_NET, cs_intr, sc);
    154 	if (sc->sc_ih == 0) {
    155 		aprint_error_dev(self, "unable to establish interrupt\n");
    156 		goto fail;
    157 	}
    158 
    159 	if (cs_attach(sc, 0, 0, 0, 0)) {
    160 		aprint_error_dev(self, "unable to attach\n");
    161 		goto fail;
    162 	}
    163 
    164 	return;
    165 
    166 fail:
    167 	if (sc->sc_ih)
    168 		isa_intr_disestablish(ipa->ipa_ic, sc->sc_ih);
    169 	isapnp_unconfig(ipa->ipa_iot, ipa->ipa_memt, ipa);
    170 }
    171