if_ed_pccard.c revision 190801
1/*- 2 * Copyright (c) 2005, M. Warner Losh 3 * Copyright (c) 1995, David Greenman 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice unmodified, this list of conditions, and the following 11 * disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/dev/ed/if_ed_pccard.c 190801 2009-04-07 15:34:26Z imp $ 29 */ 30 31/* 32 * Notes for adding media support. Each chipset is somewhat different 33 * from the others. Linux has a table of OIDs that it uses to see what 34 * supports the misc register of the NS83903. But a sampling of datasheets 35 * I could dig up on cards I own paints a different picture. 36 * 37 * Chipset specific details: 38 * NS 83903/902A paired 39 * ccr base 0x1020 40 * id register at 0x1000: 7-3 = 0, 2-0 = 1. 41 * (maybe this test is too week) 42 * misc register at 0x018: 43 * 6 WAIT_TOUTENABLE enable watchdog timeout 44 * 3 AUI/TPI 1 AUX, 0 TPI 45 * 2 loopback 46 * 1 gdlink (tpi mode only) 1 tp good, 0 tp bad 47 * 0 0-no mam, 1 mam connected 48 * 49 * NS83926 appears to be a NS pcmcia glue chip used on the IBM Ethernet II 50 * and the NEC PC9801N-J12 ccr base 0x2000! 51 * 52 * winbond 289c926 53 * ccr base 0xfd0 54 * cfb (am 0xff2): 55 * 0-1 PHY01 00 TPI, 01 10B2, 10 10B5, 11 TPI (reduced squ) 56 * 2 LNKEN 0 - enable link and auto switch, 1 disable 57 * 3 LNKSTS TPI + LNKEN=0 + link good == 1, else 0 58 * sr (am 0xff4) 59 * 88 00 88 00 88 00, etc 60 * 61 * TMI tc3299a (cr PHY01 == 0) 62 * ccr base 0x3f8 63 * cra (io 0xa) 64 * crb (io 0xb) 65 * 0-1 PHY01 00 auto, 01 res, 10 10B5, 11 TPI 66 * 2 GDLINK 1 disable checking of link 67 * 6 LINK 0 bad link, 1 good link 68 * 69 * EN5017A, EN5020 no data, but very popular 70 * Other chips? 71 * NetBSD supports RTL8019, but none have surfaced that I can see 72 */ 73 74#include <sys/param.h> 75#include <sys/systm.h> 76#include <sys/socket.h> 77#include <sys/kernel.h> 78#include <sys/conf.h> 79#include <sys/uio.h> 80 81#include <sys/module.h> 82#include <sys/bus.h> 83#include <machine/bus.h> 84#include <sys/rman.h> 85#include <machine/resource.h> 86 87#include <net/ethernet.h> 88#include <net/if.h> 89#include <net/if_arp.h> 90#include <net/if_mib.h> 91#include <net/if_media.h> 92 93#include <dev/ed/if_edreg.h> 94#include <dev/ed/if_edvar.h> 95#include <dev/ed/ax88x90reg.h> 96#include <dev/ed/dl100xxreg.h> 97#include <dev/ed/tc5299jreg.h> 98#include <dev/pccard/pccardvar.h> 99#include <dev/pccard/pccardreg.h> 100#include <dev/pccard/pccard_cis.h> 101#include <dev/mii/mii.h> 102#include <dev/mii/miivar.h> 103 104#include "card_if.h" 105/* "device miibus" required. See GENERIC if you get errors here. */ 106#include "miibus_if.h" 107#include "pccarddevs.h" 108 109/* 110 * NE-2000 based PC Cards have a number of ways to get the MAC address. 111 * Some cards encode this as a FUNCE. Others have this in the ROMs the 112 * same way that ISA cards do. Some have it encoded in the attribute 113 * memory somewhere that isn't in the CIS. Some new chipsets have it 114 * in special registers in the ASIC part of the chip. 115 * 116 * For those cards that have the MAC adress stored in attribute memory 117 * outside of a FUNCE entry in the CIS, nearly all of them have it at 118 * a fixed offset (0xff0). We use that offset as a source of last 119 * resource if other offsets have failed. This is the address of the 120 * National Semiconductor DP83903A, which is the only chip's datasheet 121 * I've found. 122 */ 123#define ED_DEFAULT_MAC_OFFSET 0xff0 124 125static const struct ed_product { 126 struct pccard_product prod; 127 int flags; 128#define NE2000DVF_DL100XX 0x0001 /* chip is D-Link DL10019/22 */ 129#define NE2000DVF_AX88X90 0x0002 /* chip is ASIX AX88[17]90 */ 130#define NE2000DVF_TC5299J 0x0004 /* chip is Tamarack TC5299J */ 131#define NE2000DVF_TOSHIBA 0x0008 /* Toshiba DP83902A */ 132#define NE2000DVF_ENADDR 0x0100 /* Get MAC from attr mem */ 133#define NE2000DVF_ANYFUNC 0x0200 /* Allow any function type */ 134#define NE2000DVF_MODEM 0x0400 /* Has a modem/serial */ 135 int enoff; 136} ed_pccard_products[] = { 137 { PCMCIA_CARD(ACCTON, EN2212), 0}, 138 { PCMCIA_CARD(ACCTON, EN2216), 0}, 139 { PCMCIA_CARD(ALLIEDTELESIS, LA_PCM), 0}, 140 { PCMCIA_CARD(AMBICOM, AMB8002T), 0}, 141 { PCMCIA_CARD(BILLIONTON, CFLT10N), 0}, 142 { PCMCIA_CARD(BILLIONTON, LNA100B), NE2000DVF_AX88X90}, 143 { PCMCIA_CARD(BILLIONTON, LNT10TN), 0}, 144 { PCMCIA_CARD(BROMAX, AXNET), NE2000DVF_AX88X90}, 145 { PCMCIA_CARD(BROMAX, IPORT), 0}, 146 { PCMCIA_CARD(BROMAX, IPORT2), 0}, 147 { PCMCIA_CARD(BUFFALO, LPC2_CLT), 0}, 148 { PCMCIA_CARD(BUFFALO, LPC3_CLT), 0}, 149 { PCMCIA_CARD(BUFFALO, LPC3_CLX), NE2000DVF_AX88X90}, 150 { PCMCIA_CARD(BUFFALO, LPC4_TX), NE2000DVF_AX88X90}, 151 { PCMCIA_CARD(BUFFALO, LPC4_CLX), NE2000DVF_AX88X90}, 152 { PCMCIA_CARD(BUFFALO, LPC_CF_CLT), 0}, 153 { PCMCIA_CARD(CNET, NE2000), 0}, 154 { PCMCIA_CARD(COMPEX, AX88190), NE2000DVF_AX88X90}, 155 { PCMCIA_CARD(COMPEX, LANMODEM), 0}, 156 { PCMCIA_CARD(COMPEX, LINKPORT_ENET_B), 0}, 157 { PCMCIA_CARD(COREGA, ETHER_II_PCC_T), 0}, 158 { PCMCIA_CARD(COREGA, ETHER_II_PCC_TD), 0}, 159 { PCMCIA_CARD(COREGA, ETHER_PCC_T), 0}, 160 { PCMCIA_CARD(COREGA, ETHER_PCC_TD), 0}, 161 { PCMCIA_CARD(COREGA, FAST_ETHER_PCC_TX), NE2000DVF_DL100XX}, 162 { PCMCIA_CARD(COREGA, FETHER_PCC_TXD), NE2000DVF_AX88X90}, 163 { PCMCIA_CARD(COREGA, FETHER_PCC_TXF), NE2000DVF_DL100XX}, 164 { PCMCIA_CARD(COREGA, FETHER_II_PCC_TXD), NE2000DVF_AX88X90}, 165 { PCMCIA_CARD(COREGA, LAPCCTXD), 0}, 166 { PCMCIA_CARD(DAYNA, COMMUNICARD_E_1), 0}, 167 { PCMCIA_CARD(DAYNA, COMMUNICARD_E_2), 0}, 168 { PCMCIA_CARD(DLINK, DE650), 0 }, 169 { PCMCIA_CARD(DLINK, DE660), 0 }, 170 { PCMCIA_CARD(DLINK, DE660PLUS), 0}, 171 { PCMCIA_CARD(DYNALINK, L10C), 0}, 172 { PCMCIA_CARD(EDIMAX, EP4000A), 0}, 173 { PCMCIA_CARD(EPSON, EEN10B), NE2000DVF_ENADDR, 0xff0}, 174 { PCMCIA_CARD(EXP, THINLANCOMBO), 0}, 175 { PCMCIA_CARD(GLOBALVILLAGE, LANMODEM), 0}, 176 { PCMCIA_CARD(GREY_CELL, TDK3000), 0}, 177 { PCMCIA_CARD(GREY_CELL, DMF650TX), 178 NE2000DVF_ANYFUNC | NE2000DVF_DL100XX | NE2000DVF_MODEM}, 179 { PCMCIA_CARD(IBM, HOME_AND_AWAY), 0}, 180 { PCMCIA_CARD(IBM, INFOMOVER), NE2000DVF_ENADDR, 0xff0}, 181 { PCMCIA_CARD(IODATA3, PCLAT), 0}, 182 { PCMCIA_CARD(KINGSTON, CIO10T), 0}, 183 { PCMCIA_CARD(KINGSTON, KNE2), 0}, 184 { PCMCIA_CARD(LANTECH, FASTNETTX), NE2000DVF_AX88X90}, 185 { PCMCIA_CARD(LINKSYS, COMBO_ECARD), 186 NE2000DVF_DL100XX | NE2000DVF_AX88X90}, 187 { PCMCIA_CARD(LINKSYS, ECARD_1), 0}, 188 { PCMCIA_CARD(LINKSYS, ECARD_2), 0}, 189 { PCMCIA_CARD(LINKSYS, ETHERFAST), NE2000DVF_DL100XX}, 190 { PCMCIA_CARD(LINKSYS, TRUST_COMBO_ECARD), 0}, 191 { PCMCIA_CARD(MACNICA, ME1_JEIDA), 0}, 192 { PCMCIA_CARD(MAGICRAM, ETHER), 0}, 193 { PCMCIA_CARD(MELCO, LPC3_CLX), NE2000DVF_AX88X90}, 194 { PCMCIA_CARD(MELCO, LPC3_TX), NE2000DVF_AX88X90}, 195 { PCMCIA_CARD(MITSUBISHI, B8895), NE2000DVF_ANYFUNC}, /* NG */ 196 { PCMCIA_CARD(MICRORESEARCH, MR10TPC), 0}, 197 { PCMCIA_CARD(NDC, ND5100_E), 0}, 198 { PCMCIA_CARD(NETGEAR, FA410TXC), NE2000DVF_DL100XX}, 199 /* Same ID as DLINK DFE-670TXD. 670 has DL10022, fa411 has ax88790 */ 200 { PCMCIA_CARD(NETGEAR, FA411), NE2000DVF_AX88X90 | NE2000DVF_DL100XX}, 201 { PCMCIA_CARD(NEXTCOM, NEXTHAWK), 0}, 202 { PCMCIA_CARD(NEWMEDIA, LANSURFER), 0}, 203 { PCMCIA_CARD(OEM2, ETHERNET), 0}, 204 { PCMCIA_CARD(OEM2, FAST_ETHERNET), NE2000DVF_AX88X90 }, 205 { PCMCIA_CARD(OEM2, NE2000), 0}, 206 { PCMCIA_CARD(PLANET, SMARTCOM2000), 0 }, 207 { PCMCIA_CARD(PREMAX, PE200), 0}, 208 { PCMCIA_CARD(PSION, LANGLOBAL), 209 NE2000DVF_ANYFUNC | NE2000DVF_AX88X90 | NE2000DVF_MODEM}, 210 { PCMCIA_CARD(RACORE, ETHERNET), 0}, 211 { PCMCIA_CARD(RACORE, FASTENET), NE2000DVF_AX88X90}, 212 { PCMCIA_CARD(RACORE, 8041TX), NE2000DVF_AX88X90 | NE2000DVF_TC5299J}, 213 { PCMCIA_CARD(RELIA, COMBO), 0}, 214 { PCMCIA_CARD(RIOS, PCCARD3), 0}, 215 { PCMCIA_CARD(RPTI, EP400), 0}, 216 { PCMCIA_CARD(RPTI, EP401), 0}, 217 { PCMCIA_CARD(SMC, EZCARD), 0}, 218 { PCMCIA_CARD(SOCKET, EA_ETHER), 0}, 219 { PCMCIA_CARD(SOCKET, ES_1000), 0}, 220 { PCMCIA_CARD(SOCKET, LP_ETHER), 0}, 221 { PCMCIA_CARD(SOCKET, LP_ETHER_CF), 0}, 222 { PCMCIA_CARD(SOCKET, LP_ETH_10_100_CF), NE2000DVF_DL100XX}, 223 { PCMCIA_CARD(SVEC, COMBOCARD), 0}, 224 { PCMCIA_CARD(SVEC, LANCARD), 0}, 225 { PCMCIA_CARD(TAMARACK, ETHERNET), 0}, 226 { PCMCIA_CARD(TDK, CFE_10), 0}, 227 { PCMCIA_CARD(TDK, LAK_CD031), 0}, 228 { PCMCIA_CARD(TDK, DFL5610WS), 0}, 229 { PCMCIA_CARD(TELECOMDEVICE, LM5LT), 0 }, 230 { PCMCIA_CARD(TELECOMDEVICE, TCD_HPC100), NE2000DVF_AX88X90}, 231 { PCMCIA_CARD(TJ, PTJ_LAN_T), 0 }, 232 { PCMCIA_CARD(TOSHIBA2, LANCT00A), NE2000DVF_ANYFUNC | NE2000DVF_TOSHIBA}, 233 { PCMCIA_CARD(ZONET, ZEN), 0}, 234 { { NULL } } 235}; 236 237/* 238 * PC Card (PCMCIA) specific code. 239 */ 240static int ed_pccard_probe(device_t); 241static int ed_pccard_attach(device_t); 242 243static int ed_pccard_dl100xx(device_t dev, const struct ed_product *); 244static void ed_pccard_dl100xx_mii_reset(struct ed_softc *sc); 245static u_int ed_pccard_dl100xx_mii_readbits(struct ed_softc *sc, int nbits); 246static void ed_pccard_dl100xx_mii_writebits(struct ed_softc *sc, u_int val, 247 int nbits); 248 249static int ed_pccard_ax88x90(device_t dev, const struct ed_product *); 250static u_int ed_pccard_ax88x90_mii_readbits(struct ed_softc *sc, int nbits); 251static void ed_pccard_ax88x90_mii_writebits(struct ed_softc *sc, u_int val, 252 int nbits); 253 254static int ed_miibus_readreg(device_t dev, int phy, int reg); 255static int ed_ifmedia_upd(struct ifnet *); 256static void ed_ifmedia_sts(struct ifnet *, struct ifmediareq *); 257 258static int ed_pccard_tc5299j(device_t dev, const struct ed_product *); 259static void ed_pccard_tc5299j_mii_reset(struct ed_softc *sc); 260static u_int ed_pccard_tc5299j_mii_readbits(struct ed_softc *sc, int nbits); 261static void ed_pccard_tc5299j_mii_writebits(struct ed_softc *sc, u_int val, 262 int nbits); 263 264static void 265ed_pccard_print_entry(const struct ed_product *pp) 266{ 267 int i; 268 269 printf("Product entry: "); 270 if (pp->prod.pp_name) 271 printf("name='%s',", pp->prod.pp_name); 272 printf("vendor=%#x,product=%#x", pp->prod.pp_vendor, 273 pp->prod.pp_product); 274 for (i = 0; i < 4; i++) 275 if (pp->prod.pp_cis[i]) 276 printf(",CIS%d='%s'", i, pp->prod.pp_cis[i]); 277 printf("\n"); 278} 279 280static int 281ed_pccard_probe(device_t dev) 282{ 283 const struct ed_product *pp, *pp2; 284 int error, first = 1; 285 uint32_t fcn = PCCARD_FUNCTION_UNSPEC; 286 287 /* Make sure we're a network function */ 288 error = pccard_get_function(dev, &fcn); 289 if (error != 0) 290 return (error); 291 292 if ((pp = (const struct ed_product *) pccard_product_lookup(dev, 293 (const struct pccard_product *) ed_pccard_products, 294 sizeof(ed_pccard_products[0]), NULL)) != NULL) { 295 if (pp->prod.pp_name != NULL) 296 device_set_desc(dev, pp->prod.pp_name); 297 /* 298 * Some devices don't ID themselves as network, but 299 * that's OK if the flags say so. 300 */ 301 if (!(pp->flags & NE2000DVF_ANYFUNC) && 302 fcn != PCCARD_FUNCTION_NETWORK) 303 return (ENXIO); 304 /* 305 * Some devices match multiple entries. Report that 306 * as a warning to help cull the table 307 */ 308 pp2 = pp; 309 while ((pp2 = (const struct ed_product *)pccard_product_lookup( 310 dev, (const struct pccard_product *)(pp2 + 1), 311 sizeof(ed_pccard_products[0]), NULL)) != NULL) { 312 if (first) { 313 device_printf(dev, 314 "Warning: card matches multiple entries. Report to imp@freebsd.org\n"); 315 ed_pccard_print_entry(pp); 316 first = 0; 317 } 318 ed_pccard_print_entry(pp2); 319 } 320 321 return (0); 322 } 323 return (ENXIO); 324} 325 326static int 327ed_pccard_rom_mac(device_t dev, uint8_t *enaddr) 328{ 329 struct ed_softc *sc = device_get_softc(dev); 330 uint8_t romdata[32]; 331 int i; 332 333 /* 334 * Read in the rom data at location 0. Since there are no 335 * NE-1000 based PC Card devices, we'll assume we're 16-bit. 336 * 337 * In researching what format this takes, I've found that the 338 * following appears to be true for multiple cards based on 339 * observation as well as datasheet digging. 340 * 341 * Data is stored in some ROM and is copied out 8 bits at a time 342 * into 16-bit wide locations. This means that the odd locations 343 * of the ROM are not used (and can be either 0 or ff). 344 * 345 * The contents appears to be as follows: 346 * PROM RAM 347 * Offset Offset What 348 * 0 0 ENETADDR 0 349 * 1 2 ENETADDR 1 350 * 2 4 ENETADDR 2 351 * 3 6 ENETADDR 3 352 * 4 8 ENETADDR 4 353 * 5 10 ENETADDR 5 354 * 6-13 12-26 Reserved (varies by manufacturer) 355 * 14 28 0x57 356 * 15 30 0x57 357 * 358 * Some manufacturers have another image of enetaddr from 359 * PROM offset 0x10 to 0x15 with 0x42 in 0x1e and 0x1f, but 360 * this doesn't appear to be universally documented in the 361 * datasheets. Some manufactuers have a card type, card config 362 * checksums, etc encoded into PROM offset 6-13, but deciphering it 363 * requires more knowledge about the exact underlying chipset than 364 * we possess (and maybe can possess). 365 */ 366 ed_pio_readmem(sc, 0, romdata, 32); 367 if (bootverbose) 368 device_printf(dev, "ROM DATA: %32D\n", romdata, " "); 369 if (romdata[28] != 0x57 || romdata[30] != 0x57) 370 return (0); 371 for (i = 0; i < ETHER_ADDR_LEN; i++) 372 enaddr[i] = romdata[i * 2]; 373 return (1); 374} 375 376static int 377ed_pccard_add_modem(device_t dev) 378{ 379 struct ed_softc *sc = device_get_softc(dev); 380 381 device_printf(dev, "Need to write this code: modem rid is %d\n", 382 sc->modem_rid); 383 return 0; 384} 385 386static int 387ed_pccard_kick_phy(struct ed_softc *sc) 388{ 389 struct mii_softc *miisc; 390 struct mii_data *mii; 391 392 /* 393 * Many of the PHYs that wind up on PC Cards are weird in 394 * this way. Generally, we don't need to worry so much about 395 * the Isolation protocol since there's only one PHY in 396 * these designs, so this workaround is reasonable. 397 */ 398 mii = device_get_softc(sc->miibus); 399 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 400 miisc->mii_flags |= MIIF_FORCEANEG; 401 mii_phy_reset(miisc); 402 } 403 return (mii_mediachg(mii)); 404} 405 406static int 407ed_pccard_media_ioctl(struct ed_softc *sc, struct ifreq *ifr, u_long command) 408{ 409 struct mii_data *mii; 410 411 if (sc->miibus == NULL) 412 return (EINVAL); 413 mii = device_get_softc(sc->miibus); 414 return (ifmedia_ioctl(sc->ifp, ifr, &mii->mii_media, command)); 415} 416 417 418static void 419ed_pccard_mediachg(struct ed_softc *sc) 420{ 421 struct mii_data *mii; 422 423 if (sc->miibus == NULL) 424 return; 425 mii = device_get_softc(sc->miibus); 426 mii_mediachg(mii); 427} 428 429static void 430ed_pccard_tick(void *arg) 431{ 432 struct ed_softc *sc = arg; 433 struct mii_data *mii; 434 int media = 0; 435 436 ED_ASSERT_LOCKED(sc); 437 if (sc->miibus != NULL) { 438 mii = device_get_softc(sc->miibus); 439 media = mii->mii_media_status; 440 mii_tick(mii); 441 if (mii->mii_media_status & IFM_ACTIVE && 442 media != mii->mii_media_status && 0 && 443 sc->chip_type == ED_CHIP_TYPE_DL10022) { 444 ed_asic_outb(sc, ED_DL10022_DIAG, 445 (mii->mii_media_active & IFM_FDX) ? 446 ED_DL10022_COLLISON_DIS : 0); 447 } 448 449 } 450 callout_reset(&sc->tick_ch, hz, ed_pccard_tick, sc); 451} 452 453static int 454ed_pccard_attach(device_t dev) 455{ 456 u_char sum; 457 u_char enaddr[ETHER_ADDR_LEN]; 458 const struct ed_product *pp; 459 int error, i, flags; 460 struct ed_softc *sc = device_get_softc(dev); 461 u_long size; 462 static uint16_t *intr_vals[] = {NULL, NULL}; 463 464 sc->dev = dev; 465 if ((pp = (const struct ed_product *) pccard_product_lookup(dev, 466 (const struct pccard_product *) ed_pccard_products, 467 sizeof(ed_pccard_products[0]), NULL)) == NULL) 468 return (ENXIO); 469 sc->modem_rid = -1; 470 if (pp->flags & NE2000DVF_MODEM) { 471 sc->port_rid = -1; 472 for (i = 0; i < 4; i++) { 473 size = bus_get_resource_count(dev, SYS_RES_IOPORT, i); 474 if (size == ED_NOVELL_IO_PORTS) 475 sc->port_rid = i; 476 else if (size == 8) 477 sc->modem_rid = i; 478 } 479 if (sc->port_rid == -1) { 480 device_printf(dev, "Cannot locate my ports!\n"); 481 return (ENXIO); 482 } 483 } else { 484 sc->port_rid = 0; 485 } 486 /* Allocate the port resource during setup. */ 487 error = ed_alloc_port(dev, sc->port_rid, ED_NOVELL_IO_PORTS); 488 if (error) 489 return (error); 490 error = ed_alloc_irq(dev, 0, 0); 491 if (error) 492 goto bad; 493 494 /* 495 * Determine which chipset we are. All the PC Card chipsets have the 496 * ASIC and NIC offsets in the same place. 497 */ 498 sc->asic_offset = ED_NOVELL_ASIC_OFFSET; 499 sc->nic_offset = ED_NOVELL_NIC_OFFSET; 500 error = ENXIO; 501 flags = device_get_flags(dev); 502 if (error != 0) 503 error = ed_pccard_dl100xx(dev, pp); 504 if (error != 0) 505 error = ed_pccard_ax88x90(dev, pp); 506 if (error != 0) 507 error = ed_pccard_tc5299j(dev, pp); 508 if (error != 0) 509 error = ed_probe_Novell_generic(dev, flags); 510 if (error != 0 && (pp->flags & NE2000DVF_TOSHIBA)) { 511 flags |= ED_FLAGS_TOSH_ETHER; 512 flags |= ED_FLAGS_PCCARD; 513 sc->asic_offset = ED_WD_ASIC_OFFSET; 514 sc->nic_offset = ED_WD_NIC_OFFSET; 515 error = ed_probe_WD80x3_generic(dev, flags, intr_vals); 516 } 517 if (error) 518 goto bad; 519 520 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 521 NULL, edintr, sc, &sc->irq_handle); 522 if (error) { 523 device_printf(dev, "setup intr failed %d \n", error); 524 goto bad; 525 } 526 527 /* 528 * For the older cards, we have to get the MAC address from 529 * the card in some way. Let's try the standard PCMCIA way 530 * first. If that fails, then check to see if we have valid 531 * data from the standard NE-2000 data roms. If that fails, 532 * check to see if the card has a hint about where to look in 533 * its CIS. If that fails, maybe we should look at some 534 * default value. In all fails, we should fail the attach, 535 * but don't right now. 536 */ 537 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 538 sum |= sc->enaddr[i]; 539 if (sc->chip_type == ED_CHIP_TYPE_DP8390 && sum == 0) { 540 pccard_get_ether(dev, enaddr); 541 if (bootverbose) 542 device_printf(dev, "CIS MAC %6D\n", enaddr, ":"); 543 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 544 sum |= enaddr[i]; 545 if (sum == 0 && ed_pccard_rom_mac(dev, enaddr)) { 546 if (bootverbose) 547 device_printf(dev, "ROM mac %6D\n", enaddr, 548 ":"); 549 sum++; 550 } 551 if (sum == 0 && pp->flags & NE2000DVF_ENADDR) { 552 for (i = 0; i < ETHER_ADDR_LEN; i++) { 553 pccard_attr_read_1(dev, pp->enoff + i * 2, 554 enaddr + i); 555 sum |= enaddr[i]; 556 } 557 if (bootverbose) 558 device_printf(dev, "Hint %x MAC %6D\n", 559 pp->enoff, enaddr, ":"); 560 } 561 if (sum == 0) { 562 for (i = 0; i < ETHER_ADDR_LEN; i++) { 563 pccard_attr_read_1(dev, ED_DEFAULT_MAC_OFFSET + 564 i * 2, enaddr + i); 565 sum |= enaddr[i]; 566 } 567 if (bootverbose) 568 device_printf(dev, "Fallback MAC %6D\n", 569 enaddr, ":"); 570 } 571 if (sum == 0) { 572 device_printf(dev, "Cannot extract MAC address.\n"); 573 ed_release_resources(dev); 574 return (ENXIO); 575 } 576 bcopy(enaddr, sc->enaddr, ETHER_ADDR_LEN); 577 } 578 579 error = ed_attach(dev); 580 if (error) 581 goto bad; 582 if (sc->chip_type == ED_CHIP_TYPE_DL10019 || 583 sc->chip_type == ED_CHIP_TYPE_DL10022) { 584 /* Probe for an MII bus, but ignore errors. */ 585 ed_pccard_dl100xx_mii_reset(sc); 586 (void)mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd, 587 ed_ifmedia_sts); 588 } else if (sc->chip_type == ED_CHIP_TYPE_AX88190 || 589 sc->chip_type == ED_CHIP_TYPE_AX88790) { 590 if ((error = mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd, 591 ed_ifmedia_sts)) != 0) { 592 device_printf(dev, "Missing mii %d!\n", error); 593 goto bad; 594 } 595 596 } else if (sc->chip_type == ED_CHIP_TYPE_TC5299J) { 597 ed_pccard_tc5299j_mii_reset(sc); 598 if ((error = mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd, 599 ed_ifmedia_sts)) != 0) { 600 device_printf(dev, "Missing mii!\n"); 601 goto bad; 602 } 603 604 } 605 if (sc->miibus != NULL) { 606 sc->sc_tick = ed_pccard_tick; 607 sc->sc_mediachg = ed_pccard_mediachg; 608 sc->sc_media_ioctl = ed_pccard_media_ioctl; 609 ed_pccard_kick_phy(sc); 610 } 611 if (sc->modem_rid != -1) 612 ed_pccard_add_modem(dev); 613 return (0); 614bad: 615 ed_detach(dev); 616 return (error); 617} 618 619/* 620 * Probe the Ethernet MAC addrees for PCMCIA Linksys EtherFast 10/100 621 * and compatible cards (DL10019C Ethernet controller). 622 * 623 * Note: The PAO patches try to use more memory for the card, but that 624 * seems to fail for my card. A future optimization would add this back 625 * conditionally. 626 */ 627static int 628ed_pccard_dl100xx(device_t dev, const struct ed_product *pp) 629{ 630 struct ed_softc *sc = device_get_softc(dev); 631 u_char sum; 632 uint8_t id; 633 int i, error; 634 635 if (!(pp->flags & NE2000DVF_DL100XX)) 636 return (ENXIO); 637 if (bootverbose) 638 device_printf(dev, "Trying DL100xx probing\n"); 639 error = ed_probe_Novell_generic(dev, device_get_flags(dev)); 640 if (bootverbose && error) 641 device_printf(dev, "Novell generic probe failed: %d\n", error); 642 if (error != 0) 643 return (error); 644 645 /* 646 * Linksys registers(offset from ASIC base) 647 * 648 * 0x04-0x09 : Physical Address Register 0-5 (PAR0-PAR5) 649 * 0x0A : Card ID Register (CIR) 650 * 0x0B : Check Sum Register (SR) 651 */ 652 for (sum = 0, i = 0x04; i < 0x0c; i++) 653 sum += ed_asic_inb(sc, i); 654 if (sum != 0xff) { 655 if (bootverbose) 656 device_printf(dev, "Bad checksum %#x\n", sum); 657 return (ENXIO); /* invalid DL10019C */ 658 } 659 if (bootverbose) 660 device_printf(dev, "CIR is %d\n", ed_asic_inb(sc, 0xa)); 661 for (i = 0; i < ETHER_ADDR_LEN; i++) 662 sc->enaddr[i] = ed_asic_inb(sc, 0x04 + i); 663 ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS); 664 id = ed_asic_inb(sc, 0xf); 665 sc->isa16bit = 1; 666 sc->vendor = ED_VENDOR_NOVELL; 667 sc->type = ED_TYPE_NE2000; 668 sc->chip_type = (id & 0x90) == 0x90 ? 669 ED_CHIP_TYPE_DL10022 : ED_CHIP_TYPE_DL10019; 670 sc->type_str = ((id & 0x90) == 0x90) ? "DL10022" : "DL10019"; 671 sc->mii_readbits = ed_pccard_dl100xx_mii_readbits; 672 sc->mii_writebits = ed_pccard_dl100xx_mii_writebits; 673 return (0); 674} 675 676/* MII bit-twiddling routines for cards using Dlink chipset */ 677#define DL100XX_MIISET(sc, x) ed_asic_outb(sc, ED_DL100XX_MIIBUS, \ 678 ed_asic_inb(sc, ED_DL100XX_MIIBUS) | (x)) 679#define DL100XX_MIICLR(sc, x) ed_asic_outb(sc, ED_DL100XX_MIIBUS, \ 680 ed_asic_inb(sc, ED_DL100XX_MIIBUS) & ~(x)) 681 682static void 683ed_pccard_dl100xx_mii_reset(struct ed_softc *sc) 684{ 685 if (sc->chip_type != ED_CHIP_TYPE_DL10022) 686 return; 687 688 ed_asic_outb(sc, ED_DL100XX_MIIBUS, ED_DL10022_MII_RESET2); 689 DELAY(10); 690 ed_asic_outb(sc, ED_DL100XX_MIIBUS, 691 ED_DL10022_MII_RESET2 | ED_DL10022_MII_RESET1); 692 DELAY(10); 693 ed_asic_outb(sc, ED_DL100XX_MIIBUS, ED_DL10022_MII_RESET2); 694 DELAY(10); 695 ed_asic_outb(sc, ED_DL100XX_MIIBUS, 696 ED_DL10022_MII_RESET2 | ED_DL10022_MII_RESET1); 697 DELAY(10); 698 ed_asic_outb(sc, ED_DL100XX_MIIBUS, 0); 699} 700 701static void 702ed_pccard_dl100xx_mii_writebits(struct ed_softc *sc, u_int val, int nbits) 703{ 704 int i; 705 706 DL100XX_MIISET(sc, ED_DL100XX_MII_DIROUT); 707 for (i = nbits - 1; i >= 0; i--) { 708 if ((val >> i) & 1) 709 DL100XX_MIISET(sc, ED_DL100XX_MII_DATAOUT); 710 else 711 DL100XX_MIICLR(sc, ED_DL100XX_MII_DATAOUT); 712 DL100XX_MIISET(sc, ED_DL100XX_MII_CLK); 713 DL100XX_MIICLR(sc, ED_DL100XX_MII_CLK); 714 } 715} 716 717static u_int 718ed_pccard_dl100xx_mii_readbits(struct ed_softc *sc, int nbits) 719{ 720 int i; 721 u_int val = 0; 722 723 DL100XX_MIICLR(sc, ED_DL100XX_MII_DIROUT); 724 for (i = nbits - 1; i >= 0; i--) { 725 DL100XX_MIISET(sc, ED_DL100XX_MII_CLK); 726 val <<= 1; 727 if (ed_asic_inb(sc, ED_DL100XX_MIIBUS) & ED_DL100XX_MII_DATAIN) 728 val++; 729 DL100XX_MIICLR(sc, ED_DL100XX_MII_CLK); 730 } 731 return val; 732} 733 734static void 735ed_pccard_ax88x90_reset(struct ed_softc *sc) 736{ 737 int i; 738 739 /* Reset Card */ 740 ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP | ED_CR_PAGE_0); 741 ed_asic_outb(sc, ED_NOVELL_RESET, ed_asic_inb(sc, ED_NOVELL_RESET)); 742 743 /* Wait for the RST bit to assert, but cap it at 10ms */ 744 for (i = 10000; !(ed_nic_inb(sc, ED_P0_ISR) & ED_ISR_RST) && i > 0; 745 i--) 746 continue; 747 ed_nic_outb(sc, ED_P0_ISR, ED_ISR_RST); /* ACK INTR */ 748 if (i == 0) 749 device_printf(sc->dev, "Reset didn't finish\n"); 750} 751 752/* 753 * Probe and vendor-specific initialization routine for ax88x90 boards 754 */ 755static int 756ed_probe_ax88x90_generic(device_t dev, int flags) 757{ 758 struct ed_softc *sc = device_get_softc(dev); 759 u_int memsize; 760 static char test_pattern[32] = "THIS is A memory TEST pattern"; 761 char test_buffer[32]; 762 763 ed_pccard_ax88x90_reset(sc); 764 DELAY(10*1000); 765 766 /* Make sure that we really have an 8390 based board */ 767 if (!ed_probe_generic8390(sc)) 768 return (ENXIO); 769 770 sc->vendor = ED_VENDOR_NOVELL; 771 sc->mem_shared = 0; 772 sc->cr_proto = ED_CR_RD2; 773 774 /* 775 * This prevents packets from being stored in the NIC memory when the 776 * readmem routine turns on the start bit in the CR. We write some 777 * bytes in word mode and verify we can read them back. If we can't 778 * then we don't have an AX88x90 chip here. 779 */ 780 sc->isa16bit = 1; 781 ed_nic_outb(sc, ED_P0_RCR, ED_RCR_MON); 782 ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS); 783 ed_pio_writemem(sc, test_pattern, 16384, sizeof(test_pattern)); 784 ed_pio_readmem(sc, 16384, test_buffer, sizeof(test_pattern)); 785 if (bcmp(test_pattern, test_buffer, sizeof(test_pattern)) != 0) 786 return (ENXIO); 787 788 /* 789 * Hard code values based on the datasheet. We're NE-2000 compatible 790 * NIC with 16kb of packet memory starting at 16k offset. 791 */ 792 sc->type = ED_TYPE_NE2000; 793 memsize = sc->mem_size = 16*1024; 794 sc->mem_start = 16 * 1024; 795 if (ed_asic_inb(sc, ED_AX88X90_TEST) != 0) 796 sc->chip_type = ED_CHIP_TYPE_AX88790; 797 else { 798 sc->chip_type = ED_CHIP_TYPE_AX88190; 799 /* 800 * The AX88190 (not A) has external 64k SRAM. Probe for this 801 * here. Most of the cards I have either use the AX88190A 802 * part, or have only 32k SRAM for some reason, so I don't 803 * know if this works or not. 804 */ 805 ed_pio_writemem(sc, test_pattern, 32768, sizeof(test_pattern)); 806 ed_pio_readmem(sc, 32768, test_buffer, sizeof(test_pattern)); 807 if (bcmp(test_pattern, test_buffer, sizeof(test_pattern)) == 0) { 808 sc->mem_start = 2*1024; 809 memsize = sc->mem_size = 62 * 1024; 810 } 811 } 812 sc->mem_end = sc->mem_start + memsize; 813 sc->tx_page_start = memsize / ED_PAGE_SIZE; 814 if (sc->mem_size > 16 * 1024) 815 sc->txb_cnt = 3; 816 else 817 sc->txb_cnt = 2; 818 sc->rec_page_start = sc->tx_page_start + sc->txb_cnt * ED_TXBUF_SIZE; 819 sc->rec_page_stop = sc->tx_page_start + memsize / ED_PAGE_SIZE; 820 821 sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE; 822 823 ed_nic_outb(sc, ED_P0_PSTART, sc->mem_start / ED_PAGE_SIZE); 824 ed_nic_outb(sc, ED_P0_PSTOP, sc->mem_end / ED_PAGE_SIZE); 825 826 /* Get the mac before we go -- It's just at 0x400 in "SRAM" */ 827 ed_pio_readmem(sc, 0x400, sc->enaddr, ETHER_ADDR_LEN); 828 829 /* clear any pending interrupts that might have occurred above */ 830 ed_nic_outb(sc, ED_P0_ISR, 0xff); 831 sc->sc_write_mbufs = ed_pio_write_mbufs; 832 return (0); 833} 834 835static int 836ed_pccard_ax88x90_check_mii(device_t dev, struct ed_softc *sc) 837{ 838 int i, id; 839 840 /* 841 * All AX88x90 devices have MII and a PHY, so we use this to weed out 842 * chips that would otherwise make it through the tests we have after 843 * this point. 844 */ 845 for (i = 0; i < 32; i++) { 846 id = ed_miibus_readreg(dev, i, MII_BMSR); 847 if (id != 0 && id != 0xffff) 848 break; 849 } 850 /* 851 * Found one, we're good. 852 */ 853 if (i != 32) 854 return (0); 855 /* 856 * Didn't find anything, so try to power up and try again. The PHY 857 * may be not responding because we're in power down mode. 858 */ 859 if (sc->chip_type == ED_CHIP_TYPE_AX88190) 860 return (ENXIO); 861 pccard_ccr_write_1(dev, PCCARD_CCR_STATUS, PCCARD_CCR_STATUS_PWRDWN); 862 for (i = 0; i < 32; i++) { 863 id = ed_miibus_readreg(dev, i, MII_BMSR); 864 if (id != 0 && id != 0xffff) 865 break; 866 } 867 /* 868 * Still no joy? We're AFU, punt. 869 */ 870 if (i == 32) 871 return (ENXIO); 872 return (0); 873 874} 875 876/* 877 * Special setup for AX88[17]90 878 */ 879static int 880ed_pccard_ax88x90(device_t dev, const struct ed_product *pp) 881{ 882 int error; 883 int iobase; 884 struct ed_softc *sc = device_get_softc(dev); 885 886 if (!(pp->flags & NE2000DVF_AX88X90)) 887 return (ENXIO); 888 889 if (bootverbose) 890 device_printf(dev, "Checking AX88x90\n"); 891 892 /* 893 * Set the IOBASE Register. The AX88x90 cards are potentially 894 * multifunction cards, and thus requires a slight workaround. 895 * We write the address the card is at, on the off chance that this 896 * card is not MFC. 897 * XXX I'm not sure that this is still needed... 898 */ 899 iobase = rman_get_start(sc->port_res); 900 pccard_ccr_write_1(dev, PCCARD_CCR_IOBASE0, iobase & 0xff); 901 pccard_ccr_write_1(dev, PCCARD_CCR_IOBASE1, (iobase >> 8) & 0xff); 902 903 sc->mii_readbits = ed_pccard_ax88x90_mii_readbits; 904 sc->mii_writebits = ed_pccard_ax88x90_mii_writebits; 905 error = ed_probe_ax88x90_generic(dev, device_get_flags(dev)); 906 if (error) { 907 if (bootverbose) 908 device_printf(dev, "probe ax88x90 failed %d\n", 909 error); 910 goto fail; 911 } 912 error = ed_pccard_ax88x90_check_mii(dev, sc); 913 if (error) 914 goto fail; 915 sc->vendor = ED_VENDOR_NOVELL; 916 sc->type = ED_TYPE_NE2000; 917 if (sc->chip_type == ED_CHIP_TYPE_AX88190) 918 sc->type_str = "AX88190"; 919 else 920 sc->type_str = "AX88790"; 921 return (0); 922fail:; 923 sc->mii_readbits = 0; 924 sc->mii_writebits = 0; 925 return (error); 926} 927 928static void 929ed_pccard_ax88x90_mii_writebits(struct ed_softc *sc, u_int val, int nbits) 930{ 931 int i, data; 932 933 for (i = nbits - 1; i >= 0; i--) { 934 data = (val >> i) & 1 ? ED_AX88X90_MII_DATAOUT : 0; 935 ed_asic_outb(sc, ED_AX88X90_MIIBUS, data); 936 ed_asic_outb(sc, ED_AX88X90_MIIBUS, data | ED_AX88X90_MII_CLK); 937 } 938} 939 940static u_int 941ed_pccard_ax88x90_mii_readbits(struct ed_softc *sc, int nbits) 942{ 943 int i; 944 u_int val = 0; 945 uint8_t mdio; 946 947 mdio = ED_AX88X90_MII_DIRIN; 948 for (i = nbits - 1; i >= 0; i--) { 949 ed_asic_outb(sc, ED_AX88X90_MIIBUS, mdio); 950 val <<= 1; 951 if (ed_asic_inb(sc, ED_AX88X90_MIIBUS) & ED_AX88X90_MII_DATAIN) 952 val++; 953 ed_asic_outb(sc, ED_AX88X90_MIIBUS, mdio | ED_AX88X90_MII_CLK); 954 } 955 return val; 956} 957 958/* 959 * Special setup for TC5299J 960 */ 961static int 962ed_pccard_tc5299j(device_t dev, const struct ed_product *pp) 963{ 964 int error, i, id; 965 char *ts; 966 struct ed_softc *sc = device_get_softc(dev); 967 968 if (!(pp->flags & NE2000DVF_TC5299J)) 969 return (ENXIO); 970 971 if (bootverbose) 972 device_printf(dev, "Checking Tc5299j\n"); 973 974 /* 975 * Check to see if we have a MII PHY ID at any of the first 32 976 * locations. All TC5299J devices have MII and a PHY, so we use 977 * this to weed out chips that would otherwise make it through 978 * the tests we have after this point. 979 */ 980 sc->mii_readbits = ed_pccard_tc5299j_mii_readbits; 981 sc->mii_writebits = ed_pccard_tc5299j_mii_writebits; 982 for (i = 0; i < 32; i++) { 983 id = ed_miibus_readreg(dev, i, MII_PHYIDR1); 984 if (id != 0 && id != 0xffff) 985 break; 986 } 987 if (i == 32) { 988 sc->mii_readbits = 0; 989 sc->mii_writebits = 0; 990 return (ENXIO); 991 } 992 993 ts = "TC5299J"; 994 error = ed_probe_Novell_generic(dev, device_get_flags(dev)); 995 if (bootverbose) 996 device_printf(dev, "probe novel returns %d\n", error); 997 if (error != 0) { 998 sc->mii_readbits = 0; 999 sc->mii_writebits = 0; 1000 return (error); 1001 } 1002 if (ed_pccard_rom_mac(dev, sc->enaddr) == 0) { 1003 sc->mii_readbits = 0; 1004 sc->mii_writebits = 0; 1005 return (ENXIO); 1006 } 1007 sc->vendor = ED_VENDOR_NOVELL; 1008 sc->type = ED_TYPE_NE2000; 1009 sc->chip_type = ED_CHIP_TYPE_TC5299J; 1010 sc->type_str = ts; 1011 return (0); 1012} 1013 1014/* MII bit-twiddling routines for cards using TC5299J chipset */ 1015#define TC5299J_MIISET(sc, x) ed_nic_outb(sc, ED_TC5299J_MIIBUS, \ 1016 ed_nic_inb(sc, ED_TC5299J_MIIBUS) | (x)) 1017#define TC5299J_MIICLR(sc, x) ed_nic_outb(sc, ED_TC5299J_MIIBUS, \ 1018 ed_nic_inb(sc, ED_TC5299J_MIIBUS) & ~(x)) 1019 1020static void 1021ed_pccard_tc5299j_mii_reset(struct ed_softc *sc) 1022{ 1023 /* Do nothing! */ 1024} 1025 1026static void 1027ed_pccard_tc5299j_mii_writebits(struct ed_softc *sc, u_int val, int nbits) 1028{ 1029 int i; 1030 uint8_t cr; 1031 1032 cr = ed_nic_inb(sc, ED_P0_CR); 1033 ed_nic_outb(sc, ED_P0_CR, cr | ED_CR_PAGE_3); 1034 1035 TC5299J_MIICLR(sc, ED_TC5299J_MII_DIROUT); 1036 for (i = nbits - 1; i >= 0; i--) { 1037 if ((val >> i) & 1) 1038 TC5299J_MIISET(sc, ED_TC5299J_MII_DATAOUT); 1039 else 1040 TC5299J_MIICLR(sc, ED_TC5299J_MII_DATAOUT); 1041 TC5299J_MIISET(sc, ED_TC5299J_MII_CLK); 1042 TC5299J_MIICLR(sc, ED_TC5299J_MII_CLK); 1043 } 1044 ed_nic_outb(sc, ED_P0_CR, cr); 1045} 1046 1047static u_int 1048ed_pccard_tc5299j_mii_readbits(struct ed_softc *sc, int nbits) 1049{ 1050 int i; 1051 u_int val = 0; 1052 uint8_t cr; 1053 1054 cr = ed_nic_inb(sc, ED_P0_CR); 1055 ed_nic_outb(sc, ED_P0_CR, cr | ED_CR_PAGE_3); 1056 1057 TC5299J_MIISET(sc, ED_TC5299J_MII_DIROUT); 1058 for (i = nbits - 1; i >= 0; i--) { 1059 TC5299J_MIISET(sc, ED_TC5299J_MII_CLK); 1060 val <<= 1; 1061 if (ed_nic_inb(sc, ED_TC5299J_MIIBUS) & ED_TC5299J_MII_DATAIN) 1062 val++; 1063 TC5299J_MIICLR(sc, ED_TC5299J_MII_CLK); 1064 } 1065 ed_nic_outb(sc, ED_P0_CR, cr); 1066 return val; 1067} 1068 1069/* 1070 * MII bus support routines. 1071 */ 1072static int 1073ed_miibus_readreg(device_t dev, int phy, int reg) 1074{ 1075 struct ed_softc *sc; 1076 int failed, val; 1077 1078 sc = device_get_softc(dev); 1079 /* 1080 * The AX88790 has an interesting quirk. It has an internal phy that 1081 * needs a special bit set to access, but can also have additional 1082 * external PHYs set for things like HomeNET media. When accessing 1083 * the internal PHY, a bit has to be set, when accessing the external 1084 * PHYs, it must be clear. See Errata 1, page 51, in the AX88790 1085 * datasheet for more details. 1086 * 1087 * Also, PHYs above 16 appear to be phantoms on some cards, but not 1088 * others. Registers read for this are often the same as prior values 1089 * read. Filter all register requests to 17-31. 1090 * 1091 * I can't explain it, since I don't have the DL100xx data sheets, but 1092 * the DL100xx chips do 13-bits before the 'ACK' but, but the AX88x90 1093 * chips have 14. The linux pcnet and axnet drivers confirm this. 1094 */ 1095 if (sc->chip_type == ED_CHIP_TYPE_AX88790) { 1096 if (phy > 0x10) 1097 return (0); 1098 if (phy == 0x10) 1099 ed_asic_outb(sc, ED_AX88X90_GPIO, 1100 ED_AX88X90_GPIO_INT_PHY); 1101 else 1102 ed_asic_outb(sc, ED_AX88X90_GPIO, 0); 1103 } 1104 1105 (*sc->mii_writebits)(sc, 0xffffffff, 32); 1106 (*sc->mii_writebits)(sc, ED_MII_STARTDELIM, ED_MII_STARTDELIM_BITS); 1107 (*sc->mii_writebits)(sc, ED_MII_READOP, ED_MII_OP_BITS); 1108 (*sc->mii_writebits)(sc, phy, ED_MII_PHY_BITS); 1109 (*sc->mii_writebits)(sc, reg, ED_MII_REG_BITS); 1110 if (sc->chip_type == ED_CHIP_TYPE_AX88790 || 1111 sc->chip_type == ED_CHIP_TYPE_AX88190) 1112 (*sc->mii_readbits)(sc, ED_MII_ACK_BITS); 1113 failed = (*sc->mii_readbits)(sc, ED_MII_ACK_BITS); 1114 val = (*sc->mii_readbits)(sc, ED_MII_DATA_BITS); 1115 (*sc->mii_writebits)(sc, ED_MII_IDLE, ED_MII_IDLE_BITS); 1116/* printf("Reading phy %d reg %#x returning %#x (valid %d)\n", phy, reg, val, !failed); */ 1117 return (failed ? 0 : val); 1118} 1119 1120static int 1121ed_miibus_writereg(device_t dev, int phy, int reg, int data) 1122{ 1123 struct ed_softc *sc; 1124 1125/* printf("Writing phy %d reg %#x data %#x\n", phy, reg, data); */ 1126 sc = device_get_softc(dev); 1127 /* See ed_miibus_readreg for details */ 1128 if (sc->chip_type == ED_CHIP_TYPE_AX88790) { 1129 if (phy > 0x10) 1130 return (0); 1131 if (phy == 0x10) 1132 ed_asic_outb(sc, ED_AX88X90_GPIO, 1133 ED_AX88X90_GPIO_INT_PHY); 1134 else 1135 ed_asic_outb(sc, ED_AX88X90_GPIO, 0); 1136 } 1137 (*sc->mii_writebits)(sc, 0xffffffff, 32); 1138 (*sc->mii_writebits)(sc, ED_MII_STARTDELIM, ED_MII_STARTDELIM_BITS); 1139 (*sc->mii_writebits)(sc, ED_MII_WRITEOP, ED_MII_OP_BITS); 1140 (*sc->mii_writebits)(sc, phy, ED_MII_PHY_BITS); 1141 (*sc->mii_writebits)(sc, reg, ED_MII_REG_BITS); 1142 (*sc->mii_writebits)(sc, ED_MII_TURNAROUND, ED_MII_TURNAROUND_BITS); 1143 (*sc->mii_writebits)(sc, data, ED_MII_DATA_BITS); 1144 (*sc->mii_writebits)(sc, ED_MII_IDLE, ED_MII_IDLE_BITS); 1145 return (0); 1146} 1147 1148static int 1149ed_ifmedia_upd(struct ifnet *ifp) 1150{ 1151 struct ed_softc *sc; 1152 int error; 1153 1154 sc = ifp->if_softc; 1155 if (sc->miibus == NULL) 1156 return (ENXIO); 1157 ED_LOCK(sc); 1158 error = ed_pccard_kick_phy(sc); 1159 ED_UNLOCK(sc); 1160 return (error); 1161} 1162 1163static void 1164ed_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 1165{ 1166 struct ed_softc *sc; 1167 struct mii_data *mii; 1168 1169 sc = ifp->if_softc; 1170 if (sc->miibus == NULL) 1171 return; 1172 1173 mii = device_get_softc(sc->miibus); 1174 mii_pollstat(mii); 1175 ifmr->ifm_active = mii->mii_media_active; 1176 ifmr->ifm_status = mii->mii_media_status; 1177} 1178 1179static void 1180ed_child_detached(device_t dev, device_t child) 1181{ 1182 struct ed_softc *sc; 1183 1184 sc = device_get_softc(dev); 1185 if (child == sc->miibus) 1186 sc->miibus = NULL; 1187} 1188 1189static device_method_t ed_pccard_methods[] = { 1190 /* Device interface */ 1191 DEVMETHOD(device_probe, ed_pccard_probe), 1192 DEVMETHOD(device_attach, ed_pccard_attach), 1193 DEVMETHOD(device_detach, ed_detach), 1194 1195 /* Bus interface */ 1196 DEVMETHOD(bus_child_detached, ed_child_detached), 1197 1198 /* MII interface */ 1199 DEVMETHOD(miibus_readreg, ed_miibus_readreg), 1200 DEVMETHOD(miibus_writereg, ed_miibus_writereg), 1201 1202 { 0, 0 } 1203}; 1204 1205static driver_t ed_pccard_driver = { 1206 "ed", 1207 ed_pccard_methods, 1208 sizeof(struct ed_softc) 1209}; 1210 1211DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_devclass, 0, 0); 1212DRIVER_MODULE(miibus, ed, miibus_driver, miibus_devclass, 0, 0); 1213MODULE_DEPEND(ed, miibus, 1, 1, 1); 1214MODULE_DEPEND(ed, ether, 1, 1, 1); 1215