| 1 | /* $NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1998, 2000, 2004 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
| 9 | * NASA Ames Research Center, and by Charles M. Hannum. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Copyright (c) 1997 Marc Horowitz. 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. All advertising materials mentioning features or use of this software |
| 45 | * must display the following acknowledgement: |
| 46 | * This product includes software developed by Marc Horowitz. |
| 47 | * 4. The name of the author may not be used to endorse or promote products |
| 48 | * derived from this software without specific prior written permission. |
| 49 | * |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 51 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 52 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 53 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 54 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 55 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 56 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 57 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 58 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 59 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 60 | */ |
| 61 | |
| 62 | #include <sys/cdefs.h> |
| 63 | __KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 64 | |
| 65 | #include <sys/param.h> |
| 66 | #include <sys/systm.h> |
| 67 | #include <sys/mbuf.h> |
| 68 | #include <sys/socket.h> |
| 69 | #include <sys/ioctl.h> |
| 70 | #include <sys/errno.h> |
| 71 | #include <sys/syslog.h> |
| 72 | #include <sys/select.h> |
| 73 | #include <sys/device.h> |
| 74 | |
| 75 | #include <net/if.h> |
| 76 | #include <net/if_dl.h> |
| 77 | #include <net/if_ether.h> |
| 78 | #include <net/if_media.h> |
| 79 | |
| 80 | #include <sys/cpu.h> |
| 81 | #include <sys/bus.h> |
| 82 | #include <sys/intr.h> |
| 83 | |
| 84 | #include <dev/mii/miivar.h> |
| 85 | |
| 86 | #include <dev/ic/elink3var.h> |
| 87 | #include <dev/ic/elink3reg.h> |
| 88 | |
| 89 | #include <dev/pcmcia/pcmciareg.h> |
| 90 | #include <dev/pcmcia/pcmciavar.h> |
| 91 | #include <dev/pcmcia/pcmciadevs.h> |
| 92 | |
| 93 | int ep_pcmcia_match(device_t, cfdata_t, void *); |
| 94 | void ep_pcmcia_attach(device_t, device_t, void *); |
| 95 | int ep_pcmcia_detach(device_t, int); |
| 96 | |
| 97 | int ep_pcmcia_get_enaddr(struct pcmcia_tuple *, void *); |
| 98 | int ep_pcmcia_enable(struct ep_softc *); |
| 99 | void ep_pcmcia_disable(struct ep_softc *); |
| 100 | |
| 101 | void ep_pcmcia_disable1(struct ep_softc *); |
| 102 | |
| 103 | struct ep_pcmcia_softc { |
| 104 | struct ep_softc sc_ep; /* real "ep" softc */ |
| 105 | |
| 106 | /* PCMCIA-specific goo */ |
| 107 | struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ |
| 108 | int sc_io_window; /* our i/o window */ |
| 109 | struct pcmcia_function *sc_pf; /* our PCMCIA function */ |
| 110 | }; |
| 111 | |
| 112 | CFATTACH_DECL_NEW(ep_pcmcia, sizeof(struct ep_pcmcia_softc), |
| 113 | ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); |
| 114 | |
| 115 | const struct ep_pcmcia_product { |
| 116 | struct pcmcia_product epp_product; |
| 117 | u_short epp_chipset; /* 3Com chipset used */ |
| 118 | int epp_flags; /* initial softc flags */ |
| 119 | } ep_pcmcia_products[] = { |
| 120 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562, |
| 121 | PCMCIA_CIS_INVALID }, |
| 122 | ELINK_CHIPSET_3C509, 0 }, |
| 123 | |
| 124 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589, |
| 125 | PCMCIA_CIS_INVALID }, |
| 126 | ELINK_CHIPSET_3C509, 0 }, |
| 127 | |
| 128 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556, |
| 129 | PCMCIA_CIS_INVALID }, |
| 130 | ELINK_CHIPSET_3C509, 0 }, |
| 131 | |
| 132 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT, |
| 133 | PCMCIA_CIS_INVALID }, |
| 134 | ELINK_CHIPSET_3C509, 0 }, |
| 135 | |
| 136 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574, |
| 137 | PCMCIA_CIS_INVALID }, |
| 138 | ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, |
| 139 | |
| 140 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI, |
| 141 | PCMCIA_CIS_INVALID }, |
| 142 | ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, |
| 143 | |
| 144 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1, |
| 145 | PCMCIA_CIS_INVALID }, |
| 146 | ELINK_CHIPSET_3C509, 0 }, |
| 147 | }; |
| 148 | const size_t ep_pcmcia_nproducts = |
| 149 | sizeof(ep_pcmcia_products) / sizeof(ep_pcmcia_products[0]); |
| 150 | |
| 151 | int |
| 152 | ep_pcmcia_match(device_t parent, cfdata_t match, void *aux) |
| 153 | { |
| 154 | struct pcmcia_attach_args *pa = aux; |
| 155 | |
| 156 | /* This is to differentiate the serial function of some cards. */ |
| 157 | if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) |
| 158 | return 0; |
| 159 | |
| 160 | if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, |
| 161 | sizeof(ep_pcmcia_products[0]), NULL)) |
| 162 | return 1; |
| 163 | return 0; |
| 164 | } |
| 165 | |
| 166 | int |
| 167 | ep_pcmcia_enable(struct ep_softc *sc) |
| 168 | { |
| 169 | struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; |
| 170 | struct pcmcia_function *pf = psc->sc_pf; |
| 171 | int error; |
| 172 | |
| 173 | /* establish the interrupt. */ |
| 174 | sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); |
| 175 | if (!sc->sc_ih) |
| 176 | return EIO; |
| 177 | |
| 178 | error = pcmcia_function_enable(pf); |
| 179 | if (error) { |
| 180 | pcmcia_intr_disestablish(pf, sc->sc_ih); |
| 181 | sc->sc_ih = 0; |
| 182 | return error; |
| 183 | } |
| 184 | |
| 185 | if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || |
| 186 | (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || |
| 187 | (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { |
| 188 | int reg; |
| 189 | |
| 190 | /* turn off the serial-disable bit */ |
| 191 | |
| 192 | reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); |
| 193 | if (reg & 0x08) { |
| 194 | reg &= ~0x08; |
| 195 | pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); |
| 196 | } |
| 197 | |
| 198 | } |
| 199 | |
| 200 | return 0; |
| 201 | } |
| 202 | |
| 203 | void |
| 204 | ep_pcmcia_disable(struct ep_softc *sc) |
| 205 | { |
| 206 | struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; |
| 207 | |
| 208 | pcmcia_function_disable(psc->sc_pf); |
| 209 | pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); |
| 210 | sc->sc_ih = 0; |
| 211 | } |
| 212 | |
| 213 | void |
| 214 | ep_pcmcia_attach(device_t parent, device_t self, void *aux) |
| 215 | { |
| 216 | struct ep_pcmcia_softc *psc = device_private(self); |
| 217 | struct ep_softc *sc = &psc->sc_ep; |
| 218 | struct pcmcia_attach_args *pa = aux; |
| 219 | struct pcmcia_config_entry *cfe; |
| 220 | const struct ep_pcmcia_product *epp; |
| 221 | u_int8_t myla[ETHER_ADDR_LEN]; |
| 222 | u_int8_t *enaddr = NULL; |
| 223 | int i; |
| 224 | int error; |
| 225 | |
| 226 | sc->sc_dev = self; |
| 227 | psc->sc_pf = pa->pf; |
| 228 | |
| 229 | SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { |
| 230 | if (cfe->num_memspace != 0) |
| 231 | continue; |
| 232 | if (cfe->num_iospace != 1) |
| 233 | continue; |
| 234 | |
| 235 | if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { |
| 236 | /* |
| 237 | * the 3c562 can only use 0x??00-0x??7f |
| 238 | * according to the Linux driver |
| 239 | */ |
| 240 | |
| 241 | /* |
| 242 | * 3c562 i/o may decodes address line not only A0-3 |
| 243 | * but also A7. Anyway, we must sweep at most |
| 244 | * [0x0000, 0x0100). The address higher is given by a |
| 245 | * pcmcia bridge. But pcmcia bus-space allocation |
| 246 | * function implies cards will decode 10-bit address |
| 247 | * line. So we must search [0x0000, 0x0400). |
| 248 | * |
| 249 | * XXX: We must not check the bunch of I/O space range |
| 250 | * [0x400*n, 0x300 + 0x400*n) because they are |
| 251 | * reserved for legacy ISA devices and their alias |
| 252 | * images on PC/AT architecture. |
| 253 | */ |
| 254 | for (i = 0x0300; i < 0x0380; i += 0x10) { |
| 255 | if (pcmcia_io_alloc(pa->pf, i, |
| 256 | cfe->iospace[0].length, |
| 257 | cfe->iospace[0].length, |
| 258 | &psc->sc_pcioh) == 0) |
| 259 | break; |
| 260 | } |
| 261 | if (i != 0x0380) |
| 262 | break; |
| 263 | } else { |
| 264 | if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, |
| 265 | cfe->iospace[0].length, cfe->iospace[0].length, |
| 266 | &psc->sc_pcioh) == 0) |
| 267 | break; |
| 268 | } |
| 269 | } |
| 270 | if (!cfe) { |
| 271 | aprint_error_dev(self, "failed to allocate I/O space\n" ); |
| 272 | goto ioalloc_failed; |
| 273 | } |
| 274 | |
| 275 | sc->sc_iot = psc->sc_pcioh.iot; |
| 276 | sc->sc_ioh = psc->sc_pcioh.ioh; |
| 277 | |
| 278 | /* Enable the card. */ |
| 279 | pcmcia_function_init(pa->pf, cfe); |
| 280 | |
| 281 | if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? |
| 282 | PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, |
| 283 | &psc->sc_io_window)) { |
| 284 | aprint_error_dev(self, "can't map i/o space\n" ); |
| 285 | goto iomap_failed; |
| 286 | } |
| 287 | |
| 288 | error = ep_pcmcia_enable(sc); |
| 289 | if (error) |
| 290 | goto enable_failed; |
| 291 | sc->enabled = 1; |
| 292 | |
| 293 | switch (pa->product) { |
| 294 | case PCMCIA_PRODUCT_3COM_3C562: |
| 295 | /* |
| 296 | * 3c562a-c use this; 3c562d does it in the regular way. |
| 297 | * we might want to check the revision and produce a warning |
| 298 | * in the future. |
| 299 | */ |
| 300 | /* FALLTHROUGH */ |
| 301 | case PCMCIA_PRODUCT_3COM_3C574: |
| 302 | case PCMCIA_PRODUCT_3COM_3CCFEM556BI: |
| 303 | /* |
| 304 | * Apparently, some 3c574s do it this way, as well. |
| 305 | */ |
| 306 | if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) |
| 307 | enaddr = myla; |
| 308 | break; |
| 309 | } |
| 310 | |
| 311 | epp = pcmcia_product_lookup(pa, ep_pcmcia_products, |
| 312 | ep_pcmcia_nproducts, sizeof(ep_pcmcia_products[0]), NULL); |
| 313 | if (!epp) |
| 314 | panic("ep_pcmcia_attach: impossible" ); |
| 315 | |
| 316 | sc->bustype = ELINK_BUS_PCMCIA; |
| 317 | sc->ep_flags = epp->epp_flags; |
| 318 | |
| 319 | sc->enable = ep_pcmcia_enable; |
| 320 | sc->disable = ep_pcmcia_disable; |
| 321 | |
| 322 | if (epconfig(sc, epp->epp_chipset, enaddr)) |
| 323 | aprint_error_dev(self, "couldn't configure controller\n" ); |
| 324 | |
| 325 | sc->enabled = 0; |
| 326 | ep_pcmcia_disable(sc); |
| 327 | return; |
| 328 | |
| 329 | enable_failed: |
| 330 | pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); |
| 331 | iomap_failed: |
| 332 | pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); |
| 333 | ioalloc_failed: |
| 334 | psc->sc_io_window = -1; |
| 335 | } |
| 336 | |
| 337 | int |
| 338 | ep_pcmcia_detach(device_t self, int flags) |
| 339 | { |
| 340 | struct ep_pcmcia_softc *psc = device_private(self); |
| 341 | int rv; |
| 342 | |
| 343 | if (psc->sc_io_window == -1) |
| 344 | /* Nothing to detach. */ |
| 345 | return 0; |
| 346 | |
| 347 | rv = ep_detach(self, flags); |
| 348 | if (rv != 0) |
| 349 | return rv; |
| 350 | |
| 351 | /* Unmap our i/o window. */ |
| 352 | pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); |
| 353 | |
| 354 | /* Free our i/o space. */ |
| 355 | pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); |
| 356 | |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | int |
| 361 | ep_pcmcia_get_enaddr(struct pcmcia_tuple *tuple, void *arg) |
| 362 | { |
| 363 | u_int8_t *myla = arg; |
| 364 | int i; |
| 365 | |
| 366 | /* this is 3c562a-c magic */ |
| 367 | if (tuple->code == 0x88) { |
| 368 | if (tuple->length < ETHER_ADDR_LEN) |
| 369 | return 0; |
| 370 | |
| 371 | for (i = 0; i < ETHER_ADDR_LEN; i += 2) { |
| 372 | myla[i] = pcmcia_tuple_read_1(tuple, i + 1); |
| 373 | myla[i + 1] = pcmcia_tuple_read_1(tuple, i); |
| 374 | } |
| 375 | |
| 376 | return 1; |
| 377 | } |
| 378 | return 0; |
| 379 | } |
| 380 | |