1 /* $NetBSD: com_pcmcia.c,v 1.62 2018/12/08 17:46:14 thorpej 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 1.62 2018/12/08 17:46:14 thorpej 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/conf.h> 73 #include <sys/file.h> 74 #include <sys/uio.h> 75 #include <sys/kernel.h> 76 #include <sys/syslog.h> 77 #include <sys/device.h> 78 79 #include <sys/intr.h> 80 #include <sys/bus.h> 81 82 #include <dev/pcmcia/pcmciavar.h> 83 #include <dev/pcmcia/pcmciareg.h> 84 #include <dev/pcmcia/pcmciadevs.h> 85 86 #include <dev/ic/comreg.h> 87 #include <dev/ic/comvar.h> 88 89 #include <dev/isa/isareg.h> 90 91 int com_pcmcia_match(device_t, cfdata_t , void *); 92 int com_pcmcia_validate_config(struct pcmcia_config_entry *); 93 void com_pcmcia_attach(device_t, device_t, void *); 94 int com_pcmcia_detach(device_t, int); 95 96 int com_pcmcia_enable(struct com_softc *); 97 void com_pcmcia_disable(struct com_softc *); 98 99 struct com_pcmcia_softc { 100 struct com_softc sc_com; /* real "com" softc */ 101 102 /* PCMCIA-specific goo */ 103 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 104 void *sc_ih; /* interrupt handler */ 105 int sc_attached; 106 }; 107 108 CFATTACH_DECL_NEW(com_pcmcia, sizeof(struct com_pcmcia_softc), 109 com_pcmcia_match, com_pcmcia_attach, com_pcmcia_detach, NULL); 110 111 static const struct pcmcia_product com_pcmcia_products[] = { 112 { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID, 113 PCMCIA_CIS_MEGAHERTZ_XJ2288 }, 114 { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_BLUETOOTH_PCCARD, 115 PCMCIA_CIS_INVALID }, 116 }; 117 static const size_t com_pcmcia_nproducts = 118 sizeof(com_pcmcia_products) / sizeof(com_pcmcia_products[0]); 119 120 int 121 com_pcmcia_match(device_t parent, cfdata_t match, void *aux) 122 { 123 int comportmask; 124 struct pcmcia_attach_args *pa = aux; 125 struct pcmcia_config_entry *cfe; 126 127 /* 1. Does it claim to be a serial device? */ 128 if (pa->pf->function == PCMCIA_FUNCTION_SERIAL) 129 return 1; 130 131 /* 2. Does it have all four 'standard' port ranges? */ 132 comportmask = 0; 133 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 134 switch (cfe->iospace[0].start) { 135 case IO_COM1: 136 comportmask |= 1; 137 break; 138 case IO_COM2: 139 comportmask |= 2; 140 break; 141 case IO_COM3: 142 comportmask |= 4; 143 break; 144 case IO_COM4: 145 comportmask |= 8; 146 break; 147 } 148 } 149 150 if (comportmask == 15) 151 return 1; 152 153 /* 3. Is this a card we know about? */ 154 if (pcmcia_product_lookup(pa, com_pcmcia_products, com_pcmcia_nproducts, 155 sizeof(com_pcmcia_products[0]), NULL)) 156 return 1; 157 158 return 0; 159 } 160 161 int 162 com_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 163 { 164 if (cfe->iftype != PCMCIA_IFTYPE_IO || 165 cfe->num_iospace != 1) 166 return (EINVAL); 167 /* Some cards have a memory space, but we don't use it. */ 168 cfe->num_memspace = 0; 169 return (0); 170 } 171 172 void 173 com_pcmcia_attach(device_t parent, device_t self, void *aux) 174 { 175 struct com_pcmcia_softc *psc = device_private(self); 176 struct com_softc *sc = &psc->sc_com; 177 struct pcmcia_attach_args *pa = aux; 178 struct pcmcia_config_entry *cfe; 179 int error; 180 181 sc->sc_dev = self; 182 psc->sc_pf = pa->pf; 183 184 error = pcmcia_function_configure(pa->pf, com_pcmcia_validate_config); 185 if (error) { 186 aprint_error_dev(self, "configure failed, error=%d\n", error); 187 return; 188 } 189 190 cfe = pa->pf->cfe; 191 com_init_regs(&sc->sc_regs, cfe->iospace[0].handle.iot, 192 cfe->iospace[0].handle.ioh, -1); 193 194 error = com_pcmcia_enable(sc); 195 if (error) 196 goto fail; 197 198 sc->enabled = 1; 199 200 sc->sc_frequency = COM_FREQ; 201 202 sc->enable = com_pcmcia_enable; 203 sc->disable = com_pcmcia_disable; 204 205 aprint_normal("%s", device_xname(self)); 206 207 com_attach_subr(sc); 208 209 if (!pmf_device_register1(self, com_suspend, com_resume, 210 com_cleanup)) 211 aprint_error_dev(self, "couldn't establish power handler\n"); 212 213 sc->enabled = 0; 214 215 psc->sc_attached = 1; 216 com_pcmcia_disable(sc); 217 return; 218 219 fail: 220 pcmcia_function_unconfigure(pa->pf); 221 } 222 223 int 224 com_pcmcia_detach(device_t self, int flags) 225 { 226 struct com_pcmcia_softc *psc = device_private(self); 227 int error; 228 229 if (!psc->sc_attached) 230 return (0); 231 232 if ((error = com_detach(self, flags)) != 0) 233 return error; 234 235 pmf_device_deregister(self); 236 237 pcmcia_function_unconfigure(psc->sc_pf); 238 return (0); 239 } 240 241 int 242 com_pcmcia_enable(struct com_softc *sc) 243 { 244 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 245 struct pcmcia_function *pf = psc->sc_pf; 246 int error; 247 248 /* establish the interrupt. */ 249 psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc); 250 if (psc->sc_ih == NULL) { 251 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt\n"); 252 return (1); 253 } 254 255 if ((error = pcmcia_function_enable(pf)) != 0) { 256 pcmcia_intr_disestablish(pf, psc->sc_ih); 257 psc->sc_ih = 0; 258 return (error); 259 } 260 261 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 262 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 263 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 264 int reg; 265 266 /* turn off the ethernet-disable bit */ 267 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 268 if (reg & 0x08) { 269 reg &= ~0x08; 270 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 271 } 272 } 273 274 return (0); 275 } 276 277 void 278 com_pcmcia_disable(struct com_softc *sc) 279 { 280 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 281 282 pcmcia_function_disable(psc->sc_pf); 283 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 284 psc->sc_ih = 0; 285 } 286
Indexes created Sat Sep 20 22:09:52 GMT 2025