com_pcmcia.c revision 1.48
1 /* $NetBSD: com_pcmcia.c,v 1.48 2004/08/10 19:23:21 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1991 The Regents of the University of California. 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 * 67 * @(#)com.c 7.5 (Berkeley) 5/16/91 68 */ 69 70 #include <sys/cdefs.h> 71 __KERNEL_RCSID(0, "$NetBSD: com_pcmcia.c,v 1.48 2004/08/10 19:23:21 mycroft Exp $"); 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/ioctl.h> 76 #include <sys/select.h> 77 #include <sys/tty.h> 78 #include <sys/proc.h> 79 #include <sys/user.h> 80 #include <sys/conf.h> 81 #include <sys/file.h> 82 #include <sys/uio.h> 83 #include <sys/kernel.h> 84 #include <sys/syslog.h> 85 #include <sys/device.h> 86 87 #include <machine/intr.h> 88 #include <machine/bus.h> 89 90 #include <dev/pcmcia/pcmciavar.h> 91 #include <dev/pcmcia/pcmciareg.h> 92 #include <dev/pcmcia/pcmciadevs.h> 93 94 #include <dev/ic/comreg.h> 95 #include <dev/ic/comvar.h> 96 97 #include <dev/isa/isareg.h> 98 99 int com_pcmcia_match __P((struct device *, struct cfdata *, void *)); 100 int com_pcmcia_validate_config __P((struct pcmcia_config_entry *)); 101 void com_pcmcia_attach __P((struct device *, struct device *, void *)); 102 int com_pcmcia_detach __P((struct device *, int)); 103 void com_pcmcia_cleanup __P((void *)); 104 105 int com_pcmcia_enable __P((struct com_softc *)); 106 void com_pcmcia_disable __P((struct com_softc *)); 107 108 struct com_pcmcia_softc { 109 struct com_softc sc_com; /* real "com" softc */ 110 111 /* PCMCIA-specific goo */ 112 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 113 void *sc_ih; /* interrupt handler */ 114 int sc_attached; 115 }; 116 117 CFATTACH_DECL(com_pcmcia, sizeof(struct com_pcmcia_softc), 118 com_pcmcia_match, com_pcmcia_attach, com_pcmcia_detach, com_activate); 119 120 static const struct pcmcia_product com_pcmcia_products[] = { 121 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 122 PCMCIA_CIS_MEGAHERTZ_XJ2288 }, 123 }; 124 static const size_t com_pcmcia_nproducts = 125 sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]); 126 127 int 128 com_pcmcia_match(parent, match, aux) 129 struct device *parent; 130 struct cfdata *match; 131 void *aux; 132 { 133 int comportmask; 134 struct pcmcia_attach_args *pa = aux; 135 struct pcmcia_config_entry *cfe; 136 137 /* 1. Does it claim to be a serial device? */ 138 if (pa->pf->function == PCMCIA_FUNCTION_SERIAL) 139 return 1; 140 141 /* 2. Does it have all four 'standard' port ranges? */ 142 comportmask = 0; 143 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 144 switch (cfe->iospace[0].start) { 145 case IO_COM1: 146 comportmask |= 1; 147 break; 148 case IO_COM2: 149 comportmask |= 2; 150 break; 151 case IO_COM3: 152 comportmask |= 4; 153 break; 154 case IO_COM4: 155 comportmask |= 8; 156 break; 157 } 158 } 159 160 if (comportmask == 15) 161 return 1; 162 163 /* 3. Is this a card we know about? */ 164 if (pcmcia_product_lookup(pa, com_pcmcia_products, com_pcmcia_nproducts, 165 sizeof(com_pcmcia_products[0]), NULL)) 166 return 1; 167 168 return 0; 169 } 170 171 int 172 com_pcmcia_validate_config(cfe) 173 struct pcmcia_config_entry *cfe; 174 { 175 if (cfe->iftype != PCMCIA_IFTYPE_IO || 176 cfe->num_iospace != 1) 177 return (EINVAL); 178 /* Some cards have a memory space, but we don't use it. */ 179 cfe->num_memspace = 0; 180 /* Some cards don't have IO8 in their CIS. */ 181 cfe->flags |= PCMCIA_CFE_IO8; 182 return (0); 183 } 184 185 void 186 com_pcmcia_attach(parent, self, aux) 187 struct device *parent, *self; 188 void *aux; 189 { 190 struct com_pcmcia_softc *psc = (void *) self; 191 struct com_softc *sc = &psc->sc_com; 192 struct pcmcia_attach_args *pa = aux; 193 struct pcmcia_config_entry *cfe; 194 int error; 195 196 psc->sc_pf = pa->pf; 197 198 error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config); 199 if (error) { 200 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 201 error); 202 return; 203 } 204 205 cfe = pa->pf->cfe; 206 sc->sc_iot = cfe->iospace[0].handle.iot; 207 sc->sc_ioh = cfe->iospace[0].handle.ioh; 208 209 error = com_pcmcia_enable(sc); 210 if (error) 211 goto fail; 212 213 sc->enabled = 1; 214 215 sc->sc_iobase = -1; 216 sc->sc_frequency = COM_FREQ; 217 218 sc->enable = com_pcmcia_enable; 219 sc->disable = com_pcmcia_disable; 220 221 aprint_normal("%s", self->dv_xname); 222 223 com_attach_subr(sc); 224 225 sc->enabled = 0; 226 227 psc->sc_attached = 1; 228 com_pcmcia_disable(sc); 229 return; 230 231 fail: 232 pcmcia_function_unconfigure(pa->pf); 233 } 234 235 int 236 com_pcmcia_detach(self, flags) 237 struct device *self; 238 int flags; 239 { 240 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) self; 241 int error; 242 243 if (!psc->sc_attached) 244 return (0); 245 246 if ((error = com_detach(self, flags)) != 0) 247 return error; 248 249 pcmcia_function_unconfigure(psc->sc_pf); 250 return (0); 251 } 252 253 int 254 com_pcmcia_enable(sc) 255 struct com_softc *sc; 256 { 257 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 258 struct pcmcia_function *pf = psc->sc_pf; 259 int error; 260 261 /* establish the interrupt. */ 262 psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc); 263 if (psc->sc_ih == NULL) { 264 printf("%s: couldn't establish interrupt\n", 265 sc->sc_dev.dv_xname); 266 return (1); 267 } 268 269 if ((error = pcmcia_function_enable(pf)) != 0) { 270 pcmcia_intr_disestablish(pf, psc->sc_ih); 271 psc->sc_ih = 0; 272 return (error); 273 } 274 275 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 276 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 277 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 278 int reg; 279 280 /* turn off the ethernet-disable bit */ 281 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 282 if (reg & 0x08) { 283 reg &= ~0x08; 284 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 285 } 286 } 287 288 return (0); 289 } 290 291 void 292 com_pcmcia_disable(sc) 293 struct com_softc *sc; 294 { 295 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 296 297 pcmcia_function_disable(psc->sc_pf); 298 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 299 psc->sc_ih = 0; 300 } 301
Indexes created Mon Sep 29 21:09:56 GMT 2025