1 /* $NetBSD: if_cs_pcmcia.c,v 1.5 2002/10/02 16:52:10 thorpej 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 1.5 2002/10/02 16:52:10 thorpej 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 char devinfo[256]; 103 104 /* Print out what we are. */ 105 pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof(devinfo)); 106 printf(": %s\n", devinfo); 107 108 pf = psc->sc_pf = pa->pf; 109 110 cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); 111 112 if (cfe->num_iospace != 1) { 113 printf("%s: unexpected number of iospace(%d)\n", 114 DEVNAME(sc), cfe->num_iospace); 115 goto fail; 116 } 117 118 if (cfe->iospace[0].length < CS8900_IOSIZE) { 119 printf("%s: unexpected iosize(%lu)\n", 120 DEVNAME(sc), cfe->iospace[0].length); 121 goto fail; 122 } 123 124 if (cfe->num_memspace != 0) { 125 printf("%s: unexpected number of memspace(%d)\n", 126 DEVNAME(sc), cfe->num_memspace); 127 goto fail; 128 } 129 130 if (pcmcia_io_alloc(pf, cfe->iospace[0].start, 131 cfe->iospace[0].length, cfe->iospace[0].length, 132 &psc->sc_pcioh) != 0) { 133 printf("%s: can't allocate i/o space %lx:%lx\n", DEVNAME(sc), 134 cfe->iospace[0].start, cfe->iospace[0].length); 135 goto fail; 136 } 137 psc->sc_flags |= CS_PCMCIA_FLAGS_IO_ALLOCATED; 138 139 sc->sc_iot = psc->sc_pcioh.iot; 140 sc->sc_ioh = psc->sc_pcioh.ioh; 141 sc->sc_irq = -1; 142 #define CS_PCMCIA_HACK_FOR_CARDBUS 143 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 144 /* 145 * XXX is there a generic way to know if it's a cardbus or not? 146 */ 147 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 148 #endif 149 sc->sc_enable = cs_pcmcia_enable; 150 sc->sc_disable = cs_pcmcia_disable; 151 152 pcmcia_function_init(pa->pf, cfe); 153 if (cs_pcmcia_enable(sc)) 154 goto fail; 155 156 /* chip attach */ 157 if (cs_attach(sc, 0, 0, 0, 0)) 158 goto fail; 159 160 cs_pcmcia_disable(sc); 161 162 return; 163 164 fail: 165 cs_pcmcia_detach((struct device *)psc, 0); 166 167 return; 168 } 169 170 static int 171 cs_pcmcia_detach(struct device *self, int flags) 172 { 173 struct cs_pcmcia_softc *psc = (void *)self; 174 struct cs_softc *sc = &psc->sc_cs; 175 struct pcmcia_function *pf = psc->sc_pf; 176 int rv; 177 178 rv = cs_detach(sc); 179 if (rv) 180 return rv; 181 182 cs_pcmcia_disable(sc); 183 184 if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_ALLOCATED) { 185 pcmcia_io_free(pf, &psc->sc_pcioh); 186 psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_ALLOCATED; 187 } 188 189 return 0; 190 } 191 192 static int 193 cs_pcmcia_enable(struct cs_softc *sc) 194 { 195 struct cs_pcmcia_softc *psc = (void *)sc; 196 struct pcmcia_function *pf = psc->sc_pf; 197 198 if (pcmcia_io_map(pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 199 &psc->sc_pcioh, &psc->sc_io_window) != 0) { 200 printf("%s: can't map i/o space\n", DEVNAME(sc)); 201 goto fail; 202 } 203 psc->sc_flags |= CS_PCMCIA_FLAGS_IO_MAPPED; 204 205 if (pcmcia_function_enable(pf)) { 206 printf("%s: can't enable function\n", DEVNAME(sc)); 207 goto fail; 208 } 209 210 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, cs_intr, sc); 211 if (sc->sc_ih == 0) { 212 printf("%s: can't establish interrupt\n", DEVNAME(sc)); 213 goto fail; 214 } 215 216 return 0; 217 218 fail: 219 return EIO; 220 } 221 222 static void 223 cs_pcmcia_disable(struct cs_softc *sc) 224 { 225 struct cs_pcmcia_softc *psc = (void *)sc; 226 struct pcmcia_function *pf = psc->sc_pf; 227 228 if (sc->sc_ih != 0) { 229 pcmcia_intr_disestablish(pf, sc->sc_ih); 230 sc->sc_ih = 0; 231 } 232 233 pcmcia_function_disable(pf); 234 235 if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_MAPPED) { 236 pcmcia_io_unmap(pf, psc->sc_io_window); 237 psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_MAPPED; 238 } 239 } 240