| 1 | /* $NetBSD: if_tlp_cardbus.c,v 1.71 2016/07/14 10:19:06 msaitoh Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1999, 2000 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. |
| 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 | * CardBus bus front-end for the Digital Semiconductor ``Tulip'' (21x4x) |
| 35 | * Ethernet controller family driver. |
| 36 | */ |
| 37 | |
| 38 | #include <sys/cdefs.h> |
| 39 | __KERNEL_RCSID(0, "$NetBSD: if_tlp_cardbus.c,v 1.71 2016/07/14 10:19:06 msaitoh Exp $" ); |
| 40 | |
| 41 | #include "opt_inet.h" |
| 42 | |
| 43 | #include <sys/param.h> |
| 44 | #include <sys/systm.h> |
| 45 | #include <sys/mbuf.h> |
| 46 | #include <sys/malloc.h> |
| 47 | #include <sys/kernel.h> |
| 48 | #include <sys/socket.h> |
| 49 | #include <sys/ioctl.h> |
| 50 | #include <sys/errno.h> |
| 51 | #include <sys/device.h> |
| 52 | |
| 53 | #include <machine/endian.h> |
| 54 | |
| 55 | #include <net/if.h> |
| 56 | #include <net/if_dl.h> |
| 57 | #include <net/if_media.h> |
| 58 | #include <net/if_ether.h> |
| 59 | |
| 60 | #ifdef INET |
| 61 | #include <netinet/in.h> |
| 62 | #include <netinet/if_inarp.h> |
| 63 | #endif |
| 64 | |
| 65 | |
| 66 | #include <sys/bus.h> |
| 67 | #include <sys/intr.h> |
| 68 | |
| 69 | #include <dev/mii/miivar.h> |
| 70 | #include <dev/mii/mii_bitbang.h> |
| 71 | |
| 72 | #include <dev/ic/tulipreg.h> |
| 73 | #include <dev/ic/tulipvar.h> |
| 74 | |
| 75 | #include <dev/pci/pcivar.h> |
| 76 | #include <dev/pci/pcireg.h> |
| 77 | #include <dev/pci/pcidevs.h> |
| 78 | |
| 79 | #include <dev/cardbus/cardbusvar.h> |
| 80 | #include <dev/pci/pcidevs.h> |
| 81 | |
| 82 | /* |
| 83 | * PCI configuration space registers used by the Tulip. |
| 84 | */ |
| 85 | #define TULIP_PCI_IOBA PCI_BAR(0) /* i/o mapped base */ |
| 86 | #define TULIP_PCI_MMBA PCI_BAR(1) /* memory mapped base */ |
| 87 | #define TULIP_PCI_CFDA 0x40 /* configuration driver area */ |
| 88 | |
| 89 | #define CFDA_SLEEP 0x80000000 /* sleep mode */ |
| 90 | #define CFDA_SNOOZE 0x40000000 /* snooze mode */ |
| 91 | |
| 92 | struct tulip_cardbus_softc { |
| 93 | struct tulip_softc sc_tulip; /* real Tulip softc */ |
| 94 | |
| 95 | /* CardBus-specific goo. */ |
| 96 | void *sc_ih; /* interrupt handle */ |
| 97 | cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ |
| 98 | pcitag_t sc_tag; /* our CardBus tag */ |
| 99 | pcireg_t sc_csr; |
| 100 | bus_size_t sc_mapsize; /* the size of mapped bus space |
| 101 | region */ |
| 102 | |
| 103 | int sc_bar_reg; /* which BAR to use */ |
| 104 | pcireg_t sc_bar_val; /* value of the BAR */ |
| 105 | }; |
| 106 | |
| 107 | int tlp_cardbus_match(device_t, cfdata_t, void *); |
| 108 | void tlp_cardbus_attach(device_t, device_t, void *); |
| 109 | int tlp_cardbus_detach(device_t, int); |
| 110 | |
| 111 | CFATTACH_DECL_NEW(tlp_cardbus, sizeof(struct tulip_cardbus_softc), |
| 112 | tlp_cardbus_match, tlp_cardbus_attach, tlp_cardbus_detach, tlp_activate); |
| 113 | |
| 114 | const struct tulip_cardbus_product { |
| 115 | u_int32_t tcp_vendor; /* PCI vendor ID */ |
| 116 | u_int32_t tcp_product; /* PCI product ID */ |
| 117 | tulip_chip_t tcp_chip; /* base Tulip chip type */ |
| 118 | } tlp_cardbus_products[] = { |
| 119 | { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142, |
| 120 | TULIP_CHIP_21142 }, |
| 121 | |
| 122 | { PCI_VENDOR_XIRCOM, PCI_PRODUCT_XIRCOM_X3201_3_21143, |
| 123 | TULIP_CHIP_X3201_3 }, |
| 124 | |
| 125 | { PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN983, |
| 126 | TULIP_CHIP_AN985 }, |
| 127 | |
| 128 | { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN2242, |
| 129 | TULIP_CHIP_AN985 }, |
| 130 | |
| 131 | { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500, |
| 132 | TULIP_CHIP_AN985 }, |
| 133 | |
| 134 | { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_PCM200, |
| 135 | TULIP_CHIP_AN985 }, |
| 136 | |
| 137 | { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500MX, |
| 138 | TULIP_CHIP_AN985 }, |
| 139 | |
| 140 | { PCI_VENDOR_HAWKING, PCI_PRODUCT_HAWKING_PN672TX, |
| 141 | TULIP_CHIP_AN985 }, |
| 142 | |
| 143 | { PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN985, |
| 144 | TULIP_CHIP_AN985 }, |
| 145 | |
| 146 | { PCI_VENDOR_MICROSOFT, PCI_PRODUCT_MICROSOFT_MN120, |
| 147 | TULIP_CHIP_AN985 }, |
| 148 | |
| 149 | { PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCMPC200, |
| 150 | TULIP_CHIP_AN985 }, |
| 151 | |
| 152 | { 0, 0, |
| 153 | TULIP_CHIP_INVALID }, |
| 154 | }; |
| 155 | |
| 156 | struct tlp_cardbus_quirks { |
| 157 | void (*tpq_func)(struct tulip_cardbus_softc *, |
| 158 | const u_int8_t *); |
| 159 | u_int8_t tpq_oui[3]; |
| 160 | }; |
| 161 | |
| 162 | void tlp_cardbus_lxt_quirks(struct tulip_cardbus_softc *, |
| 163 | const u_int8_t *); |
| 164 | |
| 165 | const struct tlp_cardbus_quirks tlp_cardbus_21142_quirks[] = { |
| 166 | { tlp_cardbus_lxt_quirks, { 0x00, 0x40, 0x05 } }, |
| 167 | { NULL, { 0, 0, 0 } } |
| 168 | }; |
| 169 | |
| 170 | void tlp_cardbus_setup(struct tulip_cardbus_softc *); |
| 171 | |
| 172 | int tlp_cardbus_enable(struct tulip_softc *); |
| 173 | void tlp_cardbus_disable(struct tulip_softc *); |
| 174 | void tlp_cardbus_power(struct tulip_softc *, int); |
| 175 | |
| 176 | void tlp_cardbus_x3201_reset(struct tulip_softc *); |
| 177 | |
| 178 | const struct tulip_cardbus_product *tlp_cardbus_lookup |
| 179 | (const struct cardbus_attach_args *); |
| 180 | void tlp_cardbus_get_quirks(struct tulip_cardbus_softc *, |
| 181 | const u_int8_t *, const struct tlp_cardbus_quirks *); |
| 182 | |
| 183 | const struct tulip_cardbus_product * |
| 184 | tlp_cardbus_lookup(const struct cardbus_attach_args *ca) |
| 185 | { |
| 186 | const struct tulip_cardbus_product *tcp; |
| 187 | |
| 188 | for (tcp = tlp_cardbus_products; tcp->tcp_chip != TULIP_CHIP_INVALID; |
| 189 | tcp++) { |
| 190 | if (PCI_VENDOR(ca->ca_id) == tcp->tcp_vendor && |
| 191 | PCI_PRODUCT(ca->ca_id) == tcp->tcp_product) |
| 192 | return (tcp); |
| 193 | } |
| 194 | return (NULL); |
| 195 | } |
| 196 | |
| 197 | void |
| 198 | tlp_cardbus_get_quirks(struct tulip_cardbus_softc *csc, const u_int8_t *enaddr, |
| 199 | const struct tlp_cardbus_quirks *tpq) |
| 200 | { |
| 201 | |
| 202 | for (; tpq->tpq_func != NULL; tpq++) { |
| 203 | if (tpq->tpq_oui[0] == enaddr[0] && |
| 204 | tpq->tpq_oui[1] == enaddr[1] && |
| 205 | tpq->tpq_oui[2] == enaddr[2]) { |
| 206 | (*tpq->tpq_func)(csc, enaddr); |
| 207 | return; |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | int |
| 213 | tlp_cardbus_match(device_t parent, cfdata_t match, void *aux) |
| 214 | { |
| 215 | struct cardbus_attach_args *ca = aux; |
| 216 | |
| 217 | if (tlp_cardbus_lookup(ca) != NULL) |
| 218 | return (1); |
| 219 | |
| 220 | return (0); |
| 221 | } |
| 222 | |
| 223 | void |
| 224 | tlp_cardbus_attach(device_t parent, device_t self, void *aux) |
| 225 | { |
| 226 | struct tulip_cardbus_softc *csc = device_private(self); |
| 227 | struct tulip_softc *sc = &csc->sc_tulip; |
| 228 | struct cardbus_attach_args *ca = aux; |
| 229 | cardbus_devfunc_t ct = ca->ca_ct; |
| 230 | const struct tulip_cardbus_product *tcp; |
| 231 | u_int8_t enaddr[ETHER_ADDR_LEN]; |
| 232 | bus_addr_t adr; |
| 233 | pcireg_t reg; |
| 234 | |
| 235 | sc->sc_dev = self; |
| 236 | sc->sc_devno = 0; |
| 237 | sc->sc_dmat = ca->ca_dmat; |
| 238 | csc->sc_ct = ct; |
| 239 | csc->sc_tag = ca->ca_tag; |
| 240 | |
| 241 | tcp = tlp_cardbus_lookup(ca); |
| 242 | if (tcp == NULL) { |
| 243 | printf("\n" ); |
| 244 | panic("tlp_cardbus_attach: impossible" ); |
| 245 | } |
| 246 | sc->sc_chip = tcp->tcp_chip; |
| 247 | |
| 248 | /* |
| 249 | * By default, Tulip registers are 8 bytes long (4 bytes |
| 250 | * followed by a 4 byte pad). |
| 251 | */ |
| 252 | sc->sc_regshift = 3; |
| 253 | |
| 254 | /* |
| 255 | * Power management hooks. |
| 256 | */ |
| 257 | sc->sc_enable = tlp_cardbus_enable; |
| 258 | sc->sc_disable = tlp_cardbus_disable; |
| 259 | sc->sc_power = tlp_cardbus_power; |
| 260 | |
| 261 | /* |
| 262 | * Get revision info, and set some chip-specific variables. |
| 263 | */ |
| 264 | sc->sc_rev = PCI_REVISION(ca->ca_class); |
| 265 | switch (sc->sc_chip) { |
| 266 | case TULIP_CHIP_21142: |
| 267 | if (sc->sc_rev >= 0x20) |
| 268 | sc->sc_chip = TULIP_CHIP_21143; |
| 269 | break; |
| 270 | |
| 271 | case TULIP_CHIP_AN985: |
| 272 | /* |
| 273 | * The AN983 and AN985 are very similar, and are |
| 274 | * differentiated by a "signature" register that |
| 275 | * is like, but not identical, to a PCI ID register. |
| 276 | */ |
| 277 | reg = Cardbus_conf_read(ct, csc->sc_tag, 0x80); |
| 278 | switch (reg) { |
| 279 | case 0x09811317: |
| 280 | sc->sc_chip = TULIP_CHIP_AN985; |
| 281 | break; |
| 282 | |
| 283 | case 0x09851317: |
| 284 | sc->sc_chip = TULIP_CHIP_AN983; |
| 285 | break; |
| 286 | |
| 287 | } |
| 288 | break; |
| 289 | |
| 290 | default: |
| 291 | /* Nothing. -- to make gcc happy */ |
| 292 | break; |
| 293 | } |
| 294 | |
| 295 | aprint_normal(": %s Ethernet, pass %d.%d\n" , |
| 296 | tlp_chip_name(sc->sc_chip), |
| 297 | (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf); |
| 298 | |
| 299 | /* |
| 300 | * Map the device. |
| 301 | */ |
| 302 | csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; |
| 303 | if (Cardbus_mapreg_map(ct, TULIP_PCI_MMBA, |
| 304 | PCI_MAPREG_TYPE_MEM, 0, &sc->sc_st, &sc->sc_sh, &adr, |
| 305 | &csc->sc_mapsize) == 0) { |
| 306 | csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; |
| 307 | csc->sc_bar_reg = TULIP_PCI_MMBA; |
| 308 | csc->sc_bar_val = adr | PCI_MAPREG_TYPE_MEM; |
| 309 | } else if (Cardbus_mapreg_map(ct, TULIP_PCI_IOBA, |
| 310 | PCI_MAPREG_TYPE_IO, 0, &sc->sc_st, &sc->sc_sh, &adr, |
| 311 | &csc->sc_mapsize) == 0) { |
| 312 | csc->sc_csr |= PCI_COMMAND_IO_ENABLE; |
| 313 | csc->sc_bar_reg = TULIP_PCI_IOBA; |
| 314 | csc->sc_bar_val = adr | PCI_MAPREG_TYPE_IO; |
| 315 | } else { |
| 316 | aprint_error_dev(self, "unable to map device registers\n" ); |
| 317 | return; |
| 318 | } |
| 319 | |
| 320 | /* |
| 321 | * Bring the chip out of powersave mode and initialize the |
| 322 | * configuration registers. |
| 323 | */ |
| 324 | tlp_cardbus_setup(csc); |
| 325 | |
| 326 | /* |
| 327 | * Read the contents of the Ethernet Address ROM/SROM. |
| 328 | */ |
| 329 | switch (sc->sc_chip) { |
| 330 | case TULIP_CHIP_X3201_3: |
| 331 | /* |
| 332 | * No SROM on this chip. |
| 333 | */ |
| 334 | break; |
| 335 | |
| 336 | default: |
| 337 | if (tlp_read_srom(sc) == 0) |
| 338 | goto cant_cope; |
| 339 | break; |
| 340 | } |
| 341 | |
| 342 | /* |
| 343 | * Deal with chip/board quirks. This includes setting up |
| 344 | * the mediasw, and extracting the Ethernet address from |
| 345 | * the rombuf. |
| 346 | */ |
| 347 | switch (sc->sc_chip) { |
| 348 | case TULIP_CHIP_21142: |
| 349 | case TULIP_CHIP_21143: |
| 350 | /* Check for new format SROM. */ |
| 351 | if (tlp_isv_srom_enaddr(sc, enaddr) != 0) { |
| 352 | /* |
| 353 | * We start out with the 2114x ISV media switch. |
| 354 | * When we search for quirks, we may change to |
| 355 | * a different switch. |
| 356 | */ |
| 357 | sc->sc_mediasw = &tlp_2114x_isv_mediasw; |
| 358 | } else if (tlp_parse_old_srom(sc, enaddr) == 0) { |
| 359 | /* |
| 360 | * Not an ISV SROM, and not in old DEC Address |
| 361 | * ROM format. Try to snarf it out of the CIS. |
| 362 | */ |
| 363 | if (ca->ca_cis.funce.network.netid_present == 0) |
| 364 | goto cant_cope; |
| 365 | |
| 366 | /* Grab the MAC address from the CIS. */ |
| 367 | memcpy(enaddr, ca->ca_cis.funce.network.netid, |
| 368 | sizeof(enaddr)); |
| 369 | } |
| 370 | |
| 371 | /* |
| 372 | * Deal with any quirks this board might have. |
| 373 | */ |
| 374 | tlp_cardbus_get_quirks(csc, enaddr, tlp_cardbus_21142_quirks); |
| 375 | |
| 376 | /* |
| 377 | * If we don't already have a media switch, default to |
| 378 | * MII-over-SIO, with no special reset routine. |
| 379 | */ |
| 380 | if (sc->sc_mediasw == NULL) { |
| 381 | aprint_normal("%s: defaulting to MII-over-SIO; " |
| 382 | "no bets...\n" , device_xname(self)); |
| 383 | sc->sc_mediasw = &tlp_sio_mii_mediasw; |
| 384 | } |
| 385 | break; |
| 386 | |
| 387 | case TULIP_CHIP_AN983: |
| 388 | case TULIP_CHIP_AN985: |
| 389 | /* |
| 390 | * The ADMtek AN985's Ethernet address is located |
| 391 | * at offset 8 of its EEPROM. |
| 392 | */ |
| 393 | memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN); |
| 394 | |
| 395 | /* |
| 396 | * The ADMtek AN985 can be configured in Single-Chip |
| 397 | * mode or MAC-only mode. Single-Chip uses the built-in |
| 398 | * PHY, MAC-only has an external PHY (usually HomePNA). |
| 399 | * The selection is based on an EEPROM setting, and both |
| 400 | * PHYs are access via MII attached to SIO. |
| 401 | * |
| 402 | * The AN985 "ghosts" the internal PHY onto all |
| 403 | * MII addresses, so we have to use a media init |
| 404 | * routine that limits the search. |
| 405 | * XXX How does this work with MAC-only mode? |
| 406 | */ |
| 407 | sc->sc_mediasw = &tlp_an985_mediasw; |
| 408 | break; |
| 409 | |
| 410 | case TULIP_CHIP_X3201_3: |
| 411 | /* |
| 412 | * The X3201 doesn't have an SROM. Lift the MAC address |
| 413 | * from the CIS. Also, we have a special media switch: |
| 414 | * MII-on-SIO, plus some special GPIO setup. |
| 415 | */ |
| 416 | memcpy(enaddr, ca->ca_cis.funce.network.netid, sizeof(enaddr)); |
| 417 | sc->sc_reset = tlp_cardbus_x3201_reset; |
| 418 | sc->sc_mediasw = &tlp_sio_mii_mediasw; |
| 419 | break; |
| 420 | |
| 421 | default: |
| 422 | cant_cope: |
| 423 | aprint_error_dev(self, "sorry, unable to handle your board\n" ); |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | /* |
| 428 | * Finish off the attach. |
| 429 | */ |
| 430 | tlp_attach(sc, enaddr); |
| 431 | |
| 432 | /* |
| 433 | * Power down the socket. |
| 434 | */ |
| 435 | Cardbus_function_disable(csc->sc_ct); |
| 436 | } |
| 437 | |
| 438 | int |
| 439 | tlp_cardbus_detach(device_t self, int flags) |
| 440 | { |
| 441 | struct tulip_cardbus_softc *csc = device_private(self); |
| 442 | struct tulip_softc *sc = &csc->sc_tulip; |
| 443 | struct cardbus_devfunc *ct = csc->sc_ct; |
| 444 | int rv; |
| 445 | |
| 446 | #if defined(DIAGNOSTIC) |
| 447 | if (ct == NULL) |
| 448 | panic("%s: data structure lacks" , device_xname(self)); |
| 449 | #endif |
| 450 | |
| 451 | rv = tlp_detach(sc); |
| 452 | if (rv) |
| 453 | return (rv); |
| 454 | |
| 455 | /* |
| 456 | * Unhook the interrupt handler. |
| 457 | */ |
| 458 | if (csc->sc_ih != NULL) |
| 459 | Cardbus_intr_disestablish(ct, csc->sc_ih); |
| 460 | |
| 461 | /* |
| 462 | * Release bus space and close window. |
| 463 | */ |
| 464 | if (csc->sc_bar_reg != 0) |
| 465 | Cardbus_mapreg_unmap(ct, csc->sc_bar_reg, |
| 466 | sc->sc_st, sc->sc_sh, csc->sc_mapsize); |
| 467 | |
| 468 | return (0); |
| 469 | } |
| 470 | |
| 471 | int |
| 472 | tlp_cardbus_enable(struct tulip_softc *sc) |
| 473 | { |
| 474 | struct tulip_cardbus_softc *csc = (void *) sc; |
| 475 | cardbus_devfunc_t ct = csc->sc_ct; |
| 476 | |
| 477 | /* |
| 478 | * Power on the socket. |
| 479 | */ |
| 480 | Cardbus_function_enable(ct); |
| 481 | |
| 482 | /* |
| 483 | * Set up the PCI configuration registers. |
| 484 | */ |
| 485 | tlp_cardbus_setup(csc); |
| 486 | |
| 487 | /* |
| 488 | * Map and establish the interrupt. |
| 489 | */ |
| 490 | csc->sc_ih = Cardbus_intr_establish(ct, IPL_NET, tlp_intr, sc); |
| 491 | if (csc->sc_ih == NULL) { |
| 492 | aprint_error_dev(sc->sc_dev, |
| 493 | "unable to establish interrupt\n" ); |
| 494 | Cardbus_function_disable(csc->sc_ct); |
| 495 | return (1); |
| 496 | } |
| 497 | return (0); |
| 498 | } |
| 499 | |
| 500 | void |
| 501 | tlp_cardbus_disable(struct tulip_softc *sc) |
| 502 | { |
| 503 | struct tulip_cardbus_softc *csc = (void *) sc; |
| 504 | cardbus_devfunc_t ct = csc->sc_ct; |
| 505 | |
| 506 | /* Unhook the interrupt handler. */ |
| 507 | Cardbus_intr_disestablish(ct, csc->sc_ih); |
| 508 | csc->sc_ih = NULL; |
| 509 | |
| 510 | /* Power down the socket. */ |
| 511 | Cardbus_function_disable(ct); |
| 512 | } |
| 513 | |
| 514 | void |
| 515 | tlp_cardbus_power(struct tulip_softc *sc, int why) |
| 516 | { |
| 517 | |
| 518 | switch (why) { |
| 519 | case PWR_RESUME: |
| 520 | tlp_cardbus_enable(sc); |
| 521 | break; |
| 522 | case PWR_SUSPEND: |
| 523 | tlp_cardbus_disable(sc); |
| 524 | break; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | void |
| 529 | tlp_cardbus_setup(struct tulip_cardbus_softc *csc) |
| 530 | { |
| 531 | struct tulip_softc *sc = &csc->sc_tulip; |
| 532 | cardbus_devfunc_t ct = csc->sc_ct; |
| 533 | pcireg_t reg; |
| 534 | |
| 535 | /* |
| 536 | * Check to see if the device is in power-save mode, and |
| 537 | * bring it out if necessary. |
| 538 | */ |
| 539 | switch (sc->sc_chip) { |
| 540 | case TULIP_CHIP_21142: |
| 541 | case TULIP_CHIP_21143: |
| 542 | case TULIP_CHIP_X3201_3: |
| 543 | /* |
| 544 | * Clear the "sleep mode" bit in the CFDA register. |
| 545 | */ |
| 546 | reg = Cardbus_conf_read(ct, csc->sc_tag, TULIP_PCI_CFDA); |
| 547 | if (reg & (CFDA_SLEEP|CFDA_SNOOZE)) |
| 548 | Cardbus_conf_write(ct, csc->sc_tag, TULIP_PCI_CFDA, |
| 549 | reg & ~(CFDA_SLEEP|CFDA_SNOOZE)); |
| 550 | break; |
| 551 | |
| 552 | default: |
| 553 | /* Nothing. -- to make gcc happy */ |
| 554 | break; |
| 555 | } |
| 556 | |
| 557 | (void)cardbus_set_powerstate(ct, csc->sc_tag, PCI_PWR_D0); |
| 558 | |
| 559 | /* Program the BAR. */ |
| 560 | Cardbus_conf_write(ct, csc->sc_tag, csc->sc_bar_reg, csc->sc_bar_val); |
| 561 | |
| 562 | /* Enable the appropriate bits in the PCI CSR. */ |
| 563 | reg = Cardbus_conf_read(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG); |
| 564 | reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); |
| 565 | reg |= csc->sc_csr; |
| 566 | Cardbus_conf_write(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG, reg); |
| 567 | |
| 568 | /* |
| 569 | * Make sure the latency timer is set to some reasonable |
| 570 | * value. |
| 571 | */ |
| 572 | reg = Cardbus_conf_read(ct, csc->sc_tag, PCI_BHLC_REG); |
| 573 | if (PCI_LATTIMER(reg) < 0x20) { |
| 574 | reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); |
| 575 | reg |= (0x20 << PCI_LATTIMER_SHIFT); |
| 576 | Cardbus_conf_write(ct, csc->sc_tag, PCI_BHLC_REG, reg); |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | void |
| 581 | tlp_cardbus_x3201_reset(struct tulip_softc *sc) |
| 582 | { |
| 583 | u_int32_t reg; |
| 584 | |
| 585 | reg = TULIP_READ(sc, CSR_SIAGEN); |
| 586 | |
| 587 | /* make GP[2,0] outputs */ |
| 588 | TULIP_WRITE(sc, CSR_SIAGEN, (reg & ~SIAGEN_MD) | SIAGEN_CWE | |
| 589 | 0x00050000); |
| 590 | TULIP_WRITE(sc, CSR_SIAGEN, (reg & ~SIAGEN_CWE) | SIAGEN_MD); |
| 591 | } |
| 592 | |
| 593 | void |
| 594 | tlp_cardbus_lxt_quirks(struct tulip_cardbus_softc *csc, const u_int8_t *enaddr) |
| 595 | { |
| 596 | struct tulip_softc *sc = &csc->sc_tulip; |
| 597 | |
| 598 | sc->sc_mediasw = &tlp_sio_mii_mediasw; |
| 599 | } |
| 600 | |