com_pcmcia.c revision 1.60
1 /* $NetBSD: com_pcmcia.c,v 1.60 2009/11/12 20:29:30 dyoung 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /*- 33 * Copyright (c) 1991 The Regents of the University of California. 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)com.c 7.5 (Berkeley) 5/16/91 61 */ 62 63 #include <sys/cdefs.h> 64 __KERNEL_RCSID(0, "$NetBSD: com_pcmcia.c,v 1.60 2009/11/12 20:29:30 dyoung Exp $"); 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/ioctl.h> 69 #include <sys/select.h> 70 #include <sys/tty.h> 71 #include <sys/proc.h> 72 #include <sys/user.h> 73 #include <sys/conf.h> 74 #include <sys/file.h> 75 #include <sys/uio.h> 76 #include <sys/kernel.h> 77 #include <sys/syslog.h> 78 #include <sys/device.h> 79 80 #include <sys/intr.h> 81 #include <sys/bus.h> 82 83 #include <dev/pcmcia/pcmciavar.h> 84 #include <dev/pcmcia/pcmciareg.h> 85 #include <dev/pcmcia/pcmciadevs.h> 86 87 #include <dev/ic/comreg.h> 88 #include <dev/ic/comvar.h> 89 90 #include <dev/isa/isareg.h> 91 92 int com_pcmcia_match(device_t, cfdata_t , void *); 93 int com_pcmcia_validate_config(struct pcmcia_config_entry *); 94 void com_pcmcia_attach(device_t, device_t, void *); 95 int com_pcmcia_detach(device_t, int); 96 97 int com_pcmcia_enable(struct com_softc *); 98 void com_pcmcia_disable(struct com_softc *); 99 100 struct com_pcmcia_softc { 101 struct com_softc sc_com; /* real "com" softc */ 102 103 /* PCMCIA-specific goo */ 104 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 105 void *sc_ih; /* interrupt handler */ 106 int sc_attached; 107 }; 108 109 CFATTACH_DECL_NEW(com_pcmcia, sizeof(struct com_pcmcia_softc), 110 com_pcmcia_match, com_pcmcia_attach, com_pcmcia_detach, NULL); 111 112 static const struct pcmcia_product com_pcmcia_products[] = { 113 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 114 PCMCIA_CIS_MEGAHERTZ_XJ2288 }, 115 { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_BLUETOOTH_PCCARD, 116 PCMCIA_CIS_INVALID }, 117 }; 118 static const size_t com_pcmcia_nproducts = 119 sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]); 120 121 int 122 com_pcmcia_match(device_t parent, cfdata_t match, void *aux) 123 { 124 int comportmask; 125 struct pcmcia_attach_args *pa = aux; 126 struct pcmcia_config_entry *cfe; 127 128 /* 1. Does it claim to be a serial device? */ 129 if (pa->pf->function == PCMCIA_FUNCTION_SERIAL) 130 return 1; 131 132 /* 2. Does it have all four 'standard' port ranges? */ 133 comportmask = 0; 134 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 135 switch (cfe->iospace[0].start) { 136 case IO_COM1: 137 comportmask |= 1; 138 break; 139 case IO_COM2: 140 comportmask |= 2; 141 break; 142 case IO_COM3: 143 comportmask |= 4; 144 break; 145 case IO_COM4: 146 comportmask |= 8; 147 break; 148 } 149 } 150 151 if (comportmask == 15) 152 return 1; 153 154 /* 3. Is this a card we know about? */ 155 if (pcmcia_product_lookup(pa, com_pcmcia_products, com_pcmcia_nproducts, 156 sizeof(com_pcmcia_products[0]), NULL)) 157 return 1; 158 159 return 0; 160 } 161 162 int 163 com_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 164 { 165 if (cfe->iftype != PCMCIA_IFTYPE_IO || 166 cfe->num_iospace != 1) 167 return (EINVAL); 168 /* Some cards have a memory space, but we don't use it. */ 169 cfe->num_memspace = 0; 170 return (0); 171 } 172 173 void 174 com_pcmcia_attach(device_t parent, device_t self, void *aux) 175 { 176 struct com_pcmcia_softc *psc = device_private(self); 177 struct com_softc *sc = &psc->sc_com; 178 struct pcmcia_attach_args *pa = aux; 179 struct pcmcia_config_entry *cfe; 180 int error; 181 182 sc->sc_dev = self; 183 psc->sc_pf = pa->pf; 184 185 error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config); 186 if (error) { 187 aprint_error_dev(self, "configure failed, error=%d\n", error); 188 return; 189 } 190 191 cfe = pa->pf->cfe; 192 COM_INIT_REGS(sc->sc_regs, cfe->iospace[0].handle.iot, 193 cfe->iospace[0].handle.ioh, -1); 194 195 error = com_pcmcia_enable(sc); 196 if (error) 197 goto fail; 198 199 sc->enabled = 1; 200 201 sc->sc_frequency = COM_FREQ; 202 203 sc->enable = com_pcmcia_enable; 204 sc->disable = com_pcmcia_disable; 205 206 aprint_normal("%s", device_xname(self)); 207 208 com_attach_subr(sc); 209 210 if (!pmf_device_register1(self, com_suspend, com_resume, 211 com_cleanup)) 212 aprint_error_dev(self, "couldn't establish power handler\n"); 213 214 sc->enabled = 0; 215 216 psc->sc_attached = 1; 217 com_pcmcia_disable(sc); 218 return; 219 220 fail: 221 pcmcia_function_unconfigure(pa->pf); 222 } 223 224 int 225 com_pcmcia_detach(device_t self, int flags) 226 { 227 struct com_pcmcia_softc *psc = device_private(self); 228 int error; 229 230 if (!psc->sc_attached) 231 return (0); 232 233 if ((error = com_detach(self, flags)) != 0) 234 return error; 235 236 pmf_device_deregister(self); 237 238 pcmcia_function_unconfigure(psc->sc_pf); 239 return (0); 240 } 241 242 int 243 com_pcmcia_enable(struct com_softc *sc) 244 { 245 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 246 struct pcmcia_function *pf = psc->sc_pf; 247 int error; 248 249 /* establish the interrupt. */ 250 psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc); 251 if (psc->sc_ih == NULL) { 252 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); 253 return (1); 254 } 255 256 if ((error = pcmcia_function_enable(pf)) != 0) { 257 pcmcia_intr_disestablish(pf, psc->sc_ih); 258 psc->sc_ih = 0; 259 return (error); 260 } 261 262 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 263 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 264 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 265 int reg; 266 267 /* turn off the ethernet-disable bit */ 268 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 269 if (reg & 0x08) { 270 reg &= ~0x08; 271 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 272 } 273 } 274 275 return (0); 276 } 277 278 void 279 com_pcmcia_disable(struct com_softc *sc) 280 { 281 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 282 283 pcmcia_function_disable(psc->sc_pf); 284 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 285 psc->sc_ih = 0; 286 } 287
Indexes created Mon Sep 29 21:09:56 GMT 2025