| 1 | /* $NetBSD: com_pcmcia.c,v 1.61 2009/11/23 02:13:47 rmind 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 1.61 2009/11/23 02:13:47 rmind 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 | |