1 /* $NetBSD: if_cs_pcmcia.c,v 1.6 2004/07/07 06:43:22 mycroft 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_pcmcia.c,v 1.6 2004/07/07 06:43:22 mycroft Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 #include <sys/socket.h> 36 #include <sys/queue.h> 37 38 #include "rnd.h" 39 #if NRND > 0 40 #include <sys/rnd.h> 41 #endif 42 43 #include <net/if.h> 44 #include <net/if_ether.h> 45 #include <net/if_media.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 50 #include <dev/pcmcia/pcmciareg.h> 51 #include <dev/pcmcia/pcmciavar.h> 52 #include <dev/pcmcia/pcmciadevs.h> 53 54 #include <dev/ic/cs89x0reg.h> 55 #include <dev/ic/cs89x0var.h> 56 57 #define DEVNAME(sc) ((sc)->sc_dev.dv_xname) 58 59 struct cs_pcmcia_softc; 60 61 static int cs_pcmcia_match(struct device *, struct cfdata *, void *); 62 static void cs_pcmcia_attach(struct device *, struct device *, void *); 63 static int cs_pcmcia_detach(struct device *, int); 64 static int cs_pcmcia_enable(struct cs_softc *); 65 static void cs_pcmcia_disable(struct cs_softc *); 66 67 struct cs_pcmcia_softc { 68 struct cs_softc sc_cs; /* real "cs" softc */ 69 70 struct pcmcia_io_handle sc_pcioh; 71 struct pcmcia_function *sc_pf; 72 int sc_io_window; 73 int sc_flags; 74 }; 75 76 #define CS_PCMCIA_FLAGS_IO_ALLOCATED 1 77 #define CS_PCMCIA_FLAGS_IO_MAPPED 2 78 79 CFATTACH_DECL(cs_pcmcia, sizeof(struct cs_pcmcia_softc), 80 cs_pcmcia_match, cs_pcmcia_attach, cs_pcmcia_detach, cs_activate); 81 82 static int 83 cs_pcmcia_match(struct device *parent, struct cfdata *match, void *aux) 84 { 85 struct pcmcia_attach_args *pa = aux; 86 87 if (pa->card->manufacturer == PCMCIA_VENDOR_IBM 88 && pa->card->product == PCMCIA_PRODUCT_IBM_ETHERJET) 89 return 1; 90 91 return 0; 92 } 93 94 static void 95 cs_pcmcia_attach(struct device *parent, struct device *self, void *aux) 96 { 97 struct cs_pcmcia_softc *psc = (void *)self; 98 struct cs_softc *sc = (void *)&psc->sc_cs; 99 struct pcmcia_attach_args *pa = aux; 100 struct pcmcia_config_entry *cfe; 101 struct pcmcia_function *pf; 102 103 aprint_normal("\n"); 104 105 pf = psc->sc_pf = pa->pf; 106 107 cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); 108 109 if (cfe->num_iospace != 1) { 110 printf("%s: unexpected number of iospace(%d)\n", 111 DEVNAME(sc), cfe->num_iospace); 112 goto fail; 113 } 114 115 if (cfe->iospace[0].length < CS8900_IOSIZE) { 116 printf("%s: unexpected iosize(%lu)\n", 117 DEVNAME(sc), cfe->iospace[0].length); 118 goto fail; 119 } 120 121 if (cfe->num_memspace != 0) { 122 printf("%s: unexpected number of memspace(%d)\n", 123 DEVNAME(sc), cfe->num_memspace); 124 goto fail; 125 } 126 127 if (pcmcia_io_alloc(pf, cfe->iospace[0].start, 128 cfe->iospace[0].length, cfe->iospace[0].length, 129 &psc->sc_pcioh) != 0) { 130 printf("%s: can't allocate i/o space %lx:%lx\n", DEVNAME(sc), 131 cfe->iospace[0].start, cfe->iospace[0].length); 132 goto fail; 133 } 134 psc->sc_flags |= CS_PCMCIA_FLAGS_IO_ALLOCATED; 135 136 sc->sc_iot = psc->sc_pcioh.iot; 137 sc->sc_ioh = psc->sc_pcioh.ioh; 138 sc->sc_irq = -1; 139 #define CS_PCMCIA_HACK_FOR_CARDBUS 140 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 141 /* 142 * XXX is there a generic way to know if it's a cardbus or not? 143 */ 144 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 145 #endif 146 sc->sc_enable = cs_pcmcia_enable; 147 sc->sc_disable = cs_pcmcia_disable; 148 149 pcmcia_function_init(pa->pf, cfe); 150 if (cs_pcmcia_enable(sc)) 151 goto fail; 152 153 /* chip attach */ 154 if (cs_attach(sc, 0, 0, 0, 0)) 155 goto fail; 156 157 cs_pcmcia_disable(sc); 158 159 return; 160 161 fail: 162 cs_pcmcia_detach((struct device *)psc, 0); 163 164 return; 165 } 166 167 static int 168 cs_pcmcia_detach(struct device *self, int flags) 169 { 170 struct cs_pcmcia_softc *psc = (void *)self; 171 struct cs_softc *sc = &psc->sc_cs; 172 struct pcmcia_function *pf = psc->sc_pf; 173 int rv; 174 175 rv = cs_detach(sc); 176 if (rv) 177 return rv; 178 179 cs_pcmcia_disable(sc); 180 181 if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_ALLOCATED) { 182 pcmcia_io_free(pf, &psc->sc_pcioh); 183 psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_ALLOCATED; 184 } 185 186 return 0; 187 } 188 189 static int 190 cs_pcmcia_enable(struct cs_softc *sc) 191 { 192 struct cs_pcmcia_softc *psc = (void *)sc; 193 struct pcmcia_function *pf = psc->sc_pf; 194 195 if (pcmcia_io_map(pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 196 &psc->sc_pcioh, &psc->sc_io_window) != 0) { 197 printf("%s: can't map i/o space\n", DEVNAME(sc)); 198 goto fail; 199 } 200 psc->sc_flags |= CS_PCMCIA_FLAGS_IO_MAPPED; 201 202 if (pcmcia_function_enable(pf)) { 203 printf("%s: can't enable function\n", DEVNAME(sc)); 204 goto fail; 205 } 206 207 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, cs_intr, sc); 208 if (sc->sc_ih == 0) { 209 printf("%s: can't establish interrupt\n", DEVNAME(sc)); 210 goto fail; 211 } 212 213 return 0; 214 215 fail: 216 return EIO; 217 } 218 219 static void 220 cs_pcmcia_disable(struct cs_softc *sc) 221 { 222 struct cs_pcmcia_softc *psc = (void *)sc; 223 struct pcmcia_function *pf = psc->sc_pf; 224 225 if (sc->sc_ih != 0) { 226 pcmcia_intr_disestablish(pf, sc->sc_ih); 227 sc->sc_ih = 0; 228 } 229 230 pcmcia_function_disable(pf); 231 232 if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_MAPPED) { 233 pcmcia_io_unmap(pf, psc->sc_io_window); 234 psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_MAPPED; 235 } 236 } 237