if_cs_pcmcia.c revision 1.2
1 /* $NetBSD: if_cs_pcmcia.c,v 1.2 2001/11/26 19:17:07 yamt 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 1.2 2001/11/26 19:17:07 yamt 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 struct cfattach cs_pcmcia_ca = { 80 sizeof(struct cs_pcmcia_softc), 81 cs_pcmcia_match, 82 cs_pcmcia_attach, 83 cs_pcmcia_detach, 84 cs_activate 85 }; 86 87 static int 88 cs_pcmcia_match(struct device *parent, struct cfdata *match, void *aux) 89 { 90 struct pcmcia_attach_args *pa = aux; 91 92 if (pa->card->manufacturer == PCMCIA_VENDOR_IBM 93 && pa->card->product == PCMCIA_PRODUCT_IBM_ETHERJET) 94 return 1; 95 96 return 0; 97 } 98 99 static void 100 cs_pcmcia_attach(struct device *parent, struct device *self, void *aux) 101 { 102 struct cs_pcmcia_softc *psc = (void *)self; 103 struct cs_softc *sc = (void *)&psc->sc_cs; 104 struct pcmcia_attach_args *pa = aux; 105 struct pcmcia_config_entry *cfe; 106 struct pcmcia_function *pf; 107 char devinfo[256]; 108 109 /* Print out what we are. */ 110 pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof(devinfo)); 111 printf(": %s\n", devinfo); 112 113 pf = psc->sc_pf = pa->pf; 114 115 cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); 116 117 if (cfe->num_iospace != 1) { 118 printf("%s: unexpected number of iospace(%d)\n", 119 DEVNAME(sc), cfe->num_iospace); 120 goto fail; 121 } 122 123 if (cfe->iospace[0].length < CS8900_IOSIZE) { 124 printf("%s: unexpected iosize(%lu)\n", 125 DEVNAME(sc), cfe->iospace[0].length); 126 goto fail; 127 } 128 129 if (cfe->num_memspace != 0) { 130 printf("%s: unexpected number of memspace(%d)\n", 131 DEVNAME(sc), cfe->num_memspace); 132 goto fail; 133 } 134 135 if (pcmcia_io_alloc(pf, cfe->iospace[0].start, 136 cfe->iospace[0].length, cfe->iospace[0].length, 137 &psc->sc_pcioh) != 0) { 138 printf("%s: can't allocate i/o space %lx:%lx\n", DEVNAME(sc), 139 cfe->iospace[0].start, cfe->iospace[0].length); 140 goto fail; 141 } 142 psc->sc_flags |= CS_PCMCIA_FLAGS_IO_ALLOCATED; 143 144 sc->sc_iot = psc->sc_pcioh.iot; 145 sc->sc_ioh = psc->sc_pcioh.ioh; 146 sc->sc_irq = -1; 147 #define CS_PCMCIA_HACK_FOR_CARDBUS 148 #ifdef CS_PCMCIA_HACK_FOR_CARDBUS 149 /* 150 * XXX is there a generic way to know if it's a cardbus or not? 151 */ 152 sc->sc_cfgflags |= CFGFLG_CARDBUS_HACK; 153 #endif 154 sc->sc_enable = cs_pcmcia_enable; 155 sc->sc_disable = cs_pcmcia_disable; 156 157 pcmcia_function_init(pa->pf, cfe); 158 if (cs_pcmcia_enable(sc)) 159 goto fail; 160 161 /* chip attach */ 162 if (cs_attach(sc, 0, 0, 0, 0)) 163 goto fail; 164 165 cs_pcmcia_disable(sc); 166 167 return; 168 169 fail: 170 cs_pcmcia_detach((struct device *)psc, 0); 171 172 return; 173 } 174 175 static int 176 cs_pcmcia_detach(struct device *self, int flags) 177 { 178 struct cs_pcmcia_softc *psc = (void *)self; 179 struct cs_softc *sc = &psc->sc_cs; 180 struct pcmcia_function *pf = psc->sc_pf; 181 int rv; 182 183 rv = cs_detach(sc); 184 if (rv) 185 return rv; 186 187 cs_pcmcia_disable(sc); 188 189 if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_ALLOCATED) { 190 pcmcia_io_free(pf, &psc->sc_pcioh); 191 psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_ALLOCATED; 192 } 193 194 return 0; 195 } 196 197 static int 198 cs_pcmcia_enable(struct cs_softc *sc) 199 { 200 struct cs_pcmcia_softc *psc = (void *)sc; 201 struct pcmcia_function *pf = psc->sc_pf; 202 203 if (pcmcia_io_map(pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size, 204 &psc->sc_pcioh, &psc->sc_io_window) != 0) { 205 printf("%s: can't map i/o space\n", DEVNAME(sc)); 206 goto fail; 207 } 208 psc->sc_flags |= CS_PCMCIA_FLAGS_IO_MAPPED; 209 210 if (pcmcia_function_enable(pf)) { 211 printf("%s: can't enable function\n", DEVNAME(sc)); 212 goto fail; 213 } 214 215 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, cs_intr, sc); 216 if (sc->sc_ih == 0) { 217 printf("%s: can't establish interrupt\n", DEVNAME(sc)); 218 goto fail; 219 } 220 221 return 0; 222 223 fail: 224 return EIO; 225 } 226 227 static void 228 cs_pcmcia_disable(struct cs_softc *sc) 229 { 230 struct cs_pcmcia_softc *psc = (void *)sc; 231 struct pcmcia_function *pf = psc->sc_pf; 232 233 if (sc->sc_ih != 0) { 234 pcmcia_intr_disestablish(pf, sc->sc_ih); 235 sc->sc_ih = 0; 236 } 237 238 pcmcia_function_disable(pf); 239 240 if (psc->sc_flags & CS_PCMCIA_FLAGS_IO_MAPPED) { 241 pcmcia_io_unmap(pf, psc->sc_io_window); 242 psc->sc_flags &= ~CS_PCMCIA_FLAGS_IO_MAPPED; 243 } 244 } 245
Indexes created Thu Oct 02 10:09:58 GMT 2025