1 /* $NetBSD: tcic2.c,v 1.9 2001/12/15 13:23:22 soren Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 1999 Christoph Badura. All rights reserved. 5 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Marc Horowitz. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: tcic2.c,v 1.9 2001/12/15 13:23:22 soren Exp $"); 35 36 #undef TCICDEBUG 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 #include <sys/extent.h> 42 #include <sys/malloc.h> 43 #include <sys/kthread.h> 44 45 #include <machine/bus.h> 46 #include <machine/intr.h> 47 48 #include <dev/pcmcia/pcmciareg.h> 49 #include <dev/pcmcia/pcmciavar.h> 50 51 #include <dev/ic/tcic2reg.h> 52 #include <dev/ic/tcic2var.h> 53 54 #include "locators.h" 55 56 #ifdef TCICDEBUG 57 int tcic_debug = 1; 58 #define DPRINTF(arg) if (tcic_debug) printf arg; 59 #else 60 #define DPRINTF(arg) 61 #endif 62 63 /* 64 * Individual drivers will allocate their own memory and io regions. Memory 65 * regions must be a multiple of 4k, aligned on a 4k boundary. 66 */ 67 68 #define TCIC_MEM_ALIGN TCIC_MEM_PAGESIZE 69 70 void tcic_attach_socket __P((struct tcic_handle *)); 71 void tcic_init_socket __P((struct tcic_handle *)); 72 73 int tcic_submatch __P((struct device *, struct cfdata *, void *)); 74 int tcic_print __P((void *arg, const char *pnp)); 75 int tcic_intr_socket __P((struct tcic_handle *)); 76 77 void tcic_attach_card __P((struct tcic_handle *)); 78 void tcic_detach_card __P((struct tcic_handle *, int)); 79 void tcic_deactivate_card __P((struct tcic_handle *)); 80 81 void tcic_chip_do_mem_map __P((struct tcic_handle *, int)); 82 void tcic_chip_do_io_map __P((struct tcic_handle *, int)); 83 84 void tcic_create_event_thread __P((void *)); 85 void tcic_event_thread __P((void *)); 86 87 void tcic_queue_event __P((struct tcic_handle *, int)); 88 89 /* Map between irq numbers and internal representation */ 90 #if 1 91 int tcic_irqmap[] = 92 { 0, 0, 0, 3, 4, 5, 6, 7, 0, 0, 10, 1, 0, 0, 14, 0 }; 93 int tcic_valid_irqs = 0x4cf8; 94 #else 95 int tcic_irqmap[] = /* irqs 9 and 6 switched, some ISA cards */ 96 { 0, 0, 0, 3, 4, 5, 0, 7, 0, 6, 10, 1, 0, 0, 14, 0 }; 97 int tcic_valid_irqs = 0x4eb8; 98 #endif 99 100 int tcic_mem_speed = 250; /* memory access time in nanoseconds */ 101 int tcic_io_speed = 165; /* io access time in nanoseconds */ 102 103 /* 104 * Check various reserved and otherwise in their value restricted bits. 105 */ 106 int 107 tcic_check_reserved_bits(iot, ioh) 108 bus_space_tag_t iot; 109 bus_space_handle_t ioh; 110 { 111 int val, auxreg; 112 113 DPRINTF(("tcic: chkrsvd 1\n")); 114 /* R_ADDR bit 30:28 have a restricted range. */ 115 val = (bus_space_read_2(iot, ioh, TCIC_R_ADDR2) & TCIC_SS_MASK) 116 >> TCIC_SS_SHIFT; 117 if (val > 1) 118 return 0; 119 120 DPRINTF(("tcic: chkrsvd 2\n")); 121 /* R_SCTRL bits 6,2,1 are reserved. */ 122 val = bus_space_read_1(iot, ioh, TCIC_R_SCTRL); 123 if (val & TCIC_SCTRL_RSVD) 124 return 0; 125 126 DPRINTF(("tcic: chkrsvd 3\n")); 127 /* R_ICSR bit 2 must be same as bit 3. */ 128 val = bus_space_read_1(iot, ioh, TCIC_R_ICSR); 129 if (((val >> 1) & 1) != ((val >> 2) & 1)) 130 return 0; 131 132 DPRINTF(("tcic: chkrsvd 4\n")); 133 /* R_IENA bits 7,2 are reserverd. */ 134 val = bus_space_read_1(iot, ioh, TCIC_R_IENA); 135 if (val & TCIC_IENA_RSVD) 136 return 0; 137 138 DPRINTF(("tcic: chkrsvd 5\n")); 139 /* Some aux registers have reserved bits. */ 140 /* Which are we looking at? */ 141 auxreg = bus_space_read_1(iot, ioh, TCIC_R_MODE) 142 & TCIC_AR_MASK; 143 val = bus_space_read_2(iot, ioh, TCIC_R_AUX); 144 DPRINTF(("tcic: auxreg 0x%02x val 0x%04x\n", auxreg, val)); 145 switch (auxreg) { 146 case TCIC_AR_SYSCFG: 147 if (INVALID_AR_SYSCFG(val)) 148 return 0; 149 break; 150 case TCIC_AR_ILOCK: 151 if (INVALID_AR_ILOCK(val)) 152 return 0; 153 break; 154 case TCIC_AR_TEST: 155 if (INVALID_AR_TEST(val)) 156 return 0; 157 break; 158 } 159 160 DPRINTF(("tcic: chkrsvd 6\n")); 161 /* XXX fails if pcmcia bios is enabled. */ 162 /* Various bits set or not depending if in RESET mode. */ 163 val = bus_space_read_1(iot, ioh, TCIC_R_SCTRL); 164 if (val & TCIC_SCTRL_RESET) { 165 DPRINTF(("tcic: chkrsvd 7\n")); 166 /* Address bits must be 0 */ 167 val = bus_space_read_2(iot, ioh, TCIC_R_ADDR); 168 if (val != 0) 169 return 0; 170 val = bus_space_read_2(iot, ioh, TCIC_R_ADDR2); 171 if (val != 0) 172 return 0; 173 DPRINTF(("tcic: chkrsvd 8\n")); 174 /* EDC bits must be 0 */ 175 val = bus_space_read_2(iot, ioh, TCIC_R_EDC); 176 if (val != 0) 177 return 0; 178 /* We're OK, so take it out of reset. XXX -chb */ 179 bus_space_write_1(iot, ioh, TCIC_R_SCTRL, 0); 180 } 181 else { /* not in RESET mode */ 182 int omode; 183 int val1, val2; 184 DPRINTF(("tcic: chkrsvd 9\n")); 185 /* Programming timers must have expired. */ 186 val = bus_space_read_1(iot, ioh, TCIC_R_SSTAT); 187 if ((val & (TCIC_SSTAT_6US|TCIC_SSTAT_10US|TCIC_SSTAT_PROGTIME)) 188 != (TCIC_SSTAT_6US|TCIC_SSTAT_10US|TCIC_SSTAT_PROGTIME)) 189 return 0; 190 DPRINTF(("tcic: chkrsvd 10\n")); 191 /* 192 * EDC bits should change on read from data space 193 * as long as either EDC or the data are nonzero. 194 */ 195 if ((bus_space_read_2(iot, ioh, TCIC_R_ADDR2) 196 & TCIC_ADDR2_INDREG) != 0) { 197 val1 = bus_space_read_2(iot, ioh, TCIC_R_EDC); 198 val2 = bus_space_read_2(iot, ioh, TCIC_R_DATA); 199 if (val1 | val2) { 200 val1 = bus_space_read_2(iot, ioh, TCIC_R_EDC); 201 if (val1 == val2) 202 return 0; 203 } 204 } 205 DPRINTF(("tcic: chkrsvd 11\n")); 206 /* XXX what does this check? -chb */ 207 omode = bus_space_read_1(iot, ioh, TCIC_R_MODE); 208 val1 = omode ^ TCIC_AR_MASK; 209 bus_space_write_1(iot, ioh, TCIC_R_MODE, val1); 210 val2 = bus_space_read_1(iot, ioh, TCIC_R_MODE); 211 bus_space_write_1(iot, ioh, TCIC_R_MODE, omode); 212 if ( val1 != val2) 213 return 0; 214 } 215 /* All tests passed */ 216 return 1; 217 } 218 219 /* 220 * Read chip ID from AR_ILOCK in test mode. 221 */ 222 int 223 tcic_chipid(iot, ioh) 224 bus_space_tag_t iot; 225 bus_space_handle_t ioh; 226 { 227 unsigned id, otest; 228 229 otest = tcic_read_aux_2(iot, ioh, TCIC_AR_TEST); 230 tcic_write_aux_2(iot, ioh, TCIC_AR_TEST, TCIC_TEST_DIAG); 231 id = tcic_read_aux_2(iot, ioh, TCIC_AR_ILOCK); 232 tcic_write_aux_2(iot, ioh, TCIC_AR_TEST, otest); 233 id &= TCIC_ILOCKTEST_ID_MASK; 234 id >>= TCIC_ILOCKTEST_ID_SHFT; 235 236 /* clear up IRQs inside tcic. XXX -chb */ 237 while (bus_space_read_1(iot, ioh, TCIC_R_ICSR)) 238 bus_space_write_1(iot, ioh, TCIC_R_ICSR, TCIC_ICSR_JAM); 239 240 return id; 241 } 242 /* 243 * Indicate whether the driver can handle the chip. 244 */ 245 int 246 tcic_chipid_known(id) 247 int id; 248 { 249 /* XXX only know how to handle DB86082 -chb */ 250 switch (id) { 251 case TCIC_CHIPID_DB86082_1: 252 case TCIC_CHIPID_DB86082A: 253 case TCIC_CHIPID_DB86082B_ES: 254 case TCIC_CHIPID_DB86082B: 255 case TCIC_CHIPID_DB86084_1: 256 case TCIC_CHIPID_DB86084A: 257 case TCIC_CHIPID_DB86184_1: 258 case TCIC_CHIPID_DB86072_1_ES: 259 case TCIC_CHIPID_DB86072_1: 260 return 1; 261 } 262 263 return 0; 264 } 265 266 char * 267 tcic_chipid_to_string(id) 268 int id; 269 { 270 switch (id) { 271 case TCIC_CHIPID_DB86082_1: 272 return ("Databook DB86082"); 273 case TCIC_CHIPID_DB86082A: 274 return ("Databook DB86082A"); 275 case TCIC_CHIPID_DB86082B_ES: 276 return ("Databook DB86082B-es"); 277 case TCIC_CHIPID_DB86082B: 278 return ("Databook DB86082B"); 279 case TCIC_CHIPID_DB86084_1: 280 return ("Databook DB86084"); 281 case TCIC_CHIPID_DB86084A: 282 return ("Databook DB86084A"); 283 case TCIC_CHIPID_DB86184_1: 284 return ("Databook DB86184"); 285 case TCIC_CHIPID_DB86072_1_ES: 286 return ("Databook DB86072-es"); 287 case TCIC_CHIPID_DB86072_1: 288 return ("Databook DB86072"); 289 } 290 291 return ("Unknown controller"); 292 } 293 /* 294 * Return bitmask of IRQs that the chip can handle. 295 * XXX should be table driven. 296 */ 297 int 298 tcic_validirqs(chipid) 299 int chipid; 300 { 301 switch (chipid) { 302 case TCIC_CHIPID_DB86082_1: 303 case TCIC_CHIPID_DB86082A: 304 case TCIC_CHIPID_DB86082B_ES: 305 case TCIC_CHIPID_DB86082B: 306 case TCIC_CHIPID_DB86084_1: 307 case TCIC_CHIPID_DB86084A: 308 case TCIC_CHIPID_DB86184_1: 309 case TCIC_CHIPID_DB86072_1_ES: 310 case TCIC_CHIPID_DB86072_1: 311 return tcic_valid_irqs; 312 } 313 return 0; 314 } 315 316 void 317 tcic_attach(sc) 318 struct tcic_softc *sc; 319 { 320 int i, reg; 321 322 /* set more chipset dependend parameters in the softc. */ 323 switch (sc->chipid) { 324 case TCIC_CHIPID_DB86084_1: 325 case TCIC_CHIPID_DB86084A: 326 case TCIC_CHIPID_DB86184_1: 327 sc->pwrena = TCIC_PWR_ENA; 328 break; 329 default: 330 sc->pwrena = 0; 331 break; 332 } 333 334 /* set up global config registers */ 335 reg = TCIC_WAIT_SYNC | TCIC_WAIT_CCLK | TCIC_WAIT_RISING; 336 reg |= (tcic_ns2wscnt(250) & TCIC_WAIT_COUNT_MASK); 337 tcic_write_aux_1(sc->iot, sc->ioh, TCIC_AR_WCTL, TCIC_R_WCTL_WAIT, reg); 338 reg = TCIC_SYSCFG_MPSEL_RI | TCIC_SYSCFG_MCSFULL; 339 tcic_write_aux_2(sc->iot, sc->ioh, TCIC_AR_SYSCFG, reg); 340 reg = tcic_read_aux_2(sc->iot, sc->ioh, TCIC_AR_ILOCK); 341 reg |= TCIC_ILOCK_HOLD_CCLK; 342 tcic_write_aux_2(sc->iot, sc->ioh, TCIC_AR_ILOCK, reg); 343 344 /* the TCIC has two sockets */ 345 /* XXX should i check for actual presence of sockets? -chb */ 346 for (i = 0; i < TCIC_NSLOTS; i++) { 347 sc->handle[i].sc = sc; 348 sc->handle[i].sock = i; 349 sc->handle[i].flags = TCIC_FLAG_SOCKETP; 350 sc->handle[i].memwins 351 = sc->chipid == TCIC_CHIPID_DB86082_1 ? 4 : 5; 352 } 353 354 /* establish the interrupt */ 355 reg = tcic_read_1(&sc->handle[0], TCIC_R_IENA); 356 tcic_write_1(&sc->handle[0], TCIC_R_IENA, 357 (reg & ~TCIC_IENA_CFG_MASK) | TCIC_IENA_CFG_HIGH); 358 reg = tcic_read_aux_2(sc->iot, sc->ioh, TCIC_AR_SYSCFG); 359 tcic_write_aux_2(sc->iot, sc->ioh, TCIC_AR_SYSCFG, 360 (reg & ~TCIC_SYSCFG_IRQ_MASK) | tcic_irqmap[sc->irq]); 361 362 /* XXX block interrupts? */ 363 364 for (i = 0; i < TCIC_NSLOTS; i++) { 365 /* XXX make more clear what happens here -chb */ 366 tcic_sel_sock(&sc->handle[i]); 367 tcic_write_ind_2(&sc->handle[i], TCIC_IR_SCF1_N(i), 0); 368 tcic_write_ind_2(&sc->handle[i], TCIC_IR_SCF2_N(i), 369 (TCIC_SCF2_MCD|TCIC_SCF2_MWP|TCIC_SCF2_MRDY 370 #if 1 /* XXX explain byte routing issue */ 371 |TCIC_SCF2_MLBAT2|TCIC_SCF2_MLBAT1|TCIC_SCF2_IDBR)); 372 #else 373 |TCIC_SCF2_MLBAT2|TCIC_SCF2_MLBAT1)); 374 #endif 375 tcic_write_1(&sc->handle[i], TCIC_R_MODE, 0); 376 reg = tcic_read_aux_2(sc->iot, sc->ioh, TCIC_AR_SYSCFG); 377 reg &= ~TCIC_SYSCFG_AUTOBUSY; 378 tcic_write_aux_2(sc->iot, sc->ioh, TCIC_AR_SYSCFG, reg); 379 SIMPLEQ_INIT(&sc->handle[i].events); 380 } 381 382 if ((sc->handle[0].flags & TCIC_FLAG_SOCKETP) || 383 (sc->handle[1].flags & TCIC_FLAG_SOCKETP)) { 384 printf("%s: %s has ", sc->dev.dv_xname, 385 tcic_chipid_to_string(sc->chipid)); 386 387 if ((sc->handle[0].flags & TCIC_FLAG_SOCKETP) && 388 (sc->handle[1].flags & TCIC_FLAG_SOCKETP)) 389 printf("sockets A and B\n"); 390 else if (sc->handle[0].flags & TCIC_FLAG_SOCKETP) 391 printf("socket A only\n"); 392 else 393 printf("socket B only\n"); 394 395 } 396 } 397 398 void 399 tcic_attach_sockets(sc) 400 struct tcic_softc *sc; 401 { 402 int i; 403 404 for (i = 0; i < TCIC_NSLOTS; i++) 405 if (sc->handle[i].flags & TCIC_FLAG_SOCKETP) 406 tcic_attach_socket(&sc->handle[i]); 407 } 408 409 void 410 tcic_attach_socket(h) 411 struct tcic_handle *h; 412 { 413 struct pcmciabus_attach_args paa; 414 415 /* initialize the rest of the handle */ 416 417 h->shutdown = 0; 418 h->memalloc = 0; 419 h->ioalloc = 0; 420 h->ih_irq = 0; 421 422 /* now, config one pcmcia device per socket */ 423 424 paa.paa_busname = "pcmcia"; 425 paa.pct = (pcmcia_chipset_tag_t) h->sc->pct; 426 paa.pch = (pcmcia_chipset_handle_t) h; 427 paa.iobase = h->sc->iobase; 428 paa.iosize = h->sc->iosize; 429 430 h->pcmcia = config_found_sm(&h->sc->dev, &paa, tcic_print, 431 tcic_submatch); 432 433 /* if there's actually a pcmcia device attached, initialize the slot */ 434 435 if (h->pcmcia) 436 tcic_init_socket(h); 437 } 438 439 void 440 tcic_create_event_thread(arg) 441 void *arg; 442 { 443 struct tcic_handle *h = arg; 444 const char *cs; 445 446 switch (h->sock) { 447 case 0: 448 cs = "0"; 449 break; 450 case 1: 451 cs = "1"; 452 break; 453 default: 454 panic("tcic_create_event_thread: unknown tcic socket"); 455 } 456 457 if (kthread_create1(tcic_event_thread, h, &h->event_thread, 458 "%s,%s", h->sc->dev.dv_xname, cs)) { 459 printf("%s: unable to create event thread for sock 0x%02x\n", 460 h->sc->dev.dv_xname, h->sock); 461 panic("tcic_create_event_thread"); 462 } 463 } 464 465 void 466 tcic_event_thread(arg) 467 void *arg; 468 { 469 struct tcic_handle *h = arg; 470 struct tcic_event *pe; 471 int s; 472 473 while (h->shutdown == 0) { 474 s = splhigh(); 475 if ((pe = SIMPLEQ_FIRST(&h->events)) == NULL) { 476 splx(s); 477 (void) tsleep(&h->events, PWAIT, "tcicev", 0); 478 continue; 479 } 480 SIMPLEQ_REMOVE_HEAD(&h->events, pe, pe_q); 481 splx(s); 482 483 switch (pe->pe_type) { 484 case TCIC_EVENT_INSERTION: 485 DPRINTF(("%s: insertion event\n", h->sc->dev.dv_xname)); 486 tcic_attach_card(h); 487 break; 488 489 case TCIC_EVENT_REMOVAL: 490 DPRINTF(("%s: removal event\n", h->sc->dev.dv_xname)); 491 tcic_detach_card(h, DETACH_FORCE); 492 break; 493 494 default: 495 panic("tcic_event_thread: unknown event %d", 496 pe->pe_type); 497 } 498 free(pe, M_TEMP); 499 } 500 501 h->event_thread = NULL; 502 503 /* In case parent is waiting for us to exit. */ 504 wakeup(h->sc); 505 506 kthread_exit(0); 507 } 508 509 510 void 511 tcic_init_socket(h) 512 struct tcic_handle *h; 513 { 514 int reg; 515 516 /* select this socket's config registers */ 517 tcic_sel_sock(h); 518 519 /* set up the socket to interrupt on card detect */ 520 reg = tcic_read_ind_2(h, TCIC_IR_SCF2_N(h->sock)); 521 tcic_write_ind_2(h, TCIC_IR_SCF2_N(h->sock), reg & ~TCIC_SCF2_MCD); 522 523 /* enable CD irq in R_IENA */ 524 reg = tcic_read_2(h, TCIC_R_IENA); 525 tcic_write_2(h, TCIC_R_IENA, reg |= TCIC_IENA_CDCHG); 526 527 /* if there's a card there, then attach it. also save sstat */ 528 h->sstat = reg = tcic_read_1(h, TCIC_R_SSTAT) & TCIC_SSTAT_STAT_MASK; 529 if (reg & TCIC_SSTAT_CD) 530 tcic_attach_card(h); 531 } 532 533 int 534 tcic_submatch(parent, cf, aux) 535 struct device *parent; 536 struct cfdata *cf; 537 void *aux; 538 { 539 540 struct pcmciabus_attach_args *paa = aux; 541 struct tcic_handle *h = (struct tcic_handle *) paa->pch; 542 543 switch (h->sock) { 544 case 0: 545 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 546 PCMCIABUSCF_CONTROLLER_DEFAULT && 547 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0) 548 return 0; 549 if (cf->cf_loc[PCMCIABUSCF_SOCKET] != 550 PCMCIABUSCF_SOCKET_DEFAULT && 551 cf->cf_loc[PCMCIABUSCF_SOCKET] != 0) 552 return 0; 553 554 break; 555 case 1: 556 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 557 PCMCIABUSCF_CONTROLLER_DEFAULT && 558 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0) 559 return 0; 560 if (cf->cf_loc[PCMCIABUSCF_SOCKET] != 561 PCMCIABUSCF_SOCKET_DEFAULT && 562 cf->cf_loc[PCMCIABUSCF_SOCKET] != 1) 563 return 0; 564 565 break; 566 default: 567 panic("unknown tcic socket"); 568 } 569 570 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 571 } 572 573 int 574 tcic_print(arg, pnp) 575 void *arg; 576 const char *pnp; 577 { 578 struct pcmciabus_attach_args *paa = arg; 579 struct tcic_handle *h = (struct tcic_handle *) paa->pch; 580 581 /* Only "pcmcia"s can attach to "tcic"s... easy. */ 582 if (pnp) 583 printf("pcmcia at %s", pnp); 584 585 switch (h->sock) { 586 case 0: 587 printf(" socket 0"); 588 break; 589 case 1: 590 printf(" socket 1"); 591 break; 592 default: 593 panic("unknown tcic socket"); 594 } 595 return (UNCONF); 596 } 597 598 int 599 tcic_intr(arg) 600 void *arg; 601 { 602 struct tcic_softc *sc = arg; 603 int i, ret = 0; 604 605 DPRINTF(("%s: intr\n", sc->dev.dv_xname)); 606 607 for (i = 0; i < TCIC_NSLOTS; i++) 608 if (sc->handle[i].flags & TCIC_FLAG_SOCKETP) 609 ret += tcic_intr_socket(&sc->handle[i]); 610 611 return (ret ? 1 : 0); 612 } 613 614 int 615 tcic_intr_socket(h) 616 struct tcic_handle *h; 617 { 618 int icsr, rv; 619 620 rv = 0; 621 tcic_sel_sock(h); 622 icsr = tcic_read_1(h, TCIC_R_ICSR); 623 624 DPRINTF(("%s: %d icsr: 0x%02x \n", h->sc->dev.dv_xname, h->sock, icsr)); 625 626 /* XXX or should the next three be handled in tcic_intr? -chb */ 627 if (icsr & TCIC_ICSR_PROGTIME) { 628 DPRINTF(("%s: %02x PROGTIME\n", h->sc->dev.dv_xname, h->sock)); 629 rv = 1; 630 } 631 if (icsr & TCIC_ICSR_ILOCK) { 632 DPRINTF(("%s: %02x ILOCK\n", h->sc->dev.dv_xname, h->sock)); 633 rv = 1; 634 } 635 if (icsr & TCIC_ICSR_ERR) { 636 DPRINTF(("%s: %02x ERR\n", h->sc->dev.dv_xname, h->sock)); 637 rv = 1; 638 } 639 if (icsr & TCIC_ICSR_CDCHG) { 640 int sstat, delta; 641 642 /* compute what changed since last interrupt */ 643 sstat = tcic_read_aux_1(h->sc->iot, h->sc->ioh, 644 TCIC_AR_WCTL, TCIC_R_WCTL_XCSR) & TCIC_XCSR_STAT_MASK; 645 delta = h->sstat ^ sstat; 646 h->sstat = sstat; 647 648 if (delta) 649 rv = 1; 650 651 DPRINTF(("%s: %02x CDCHG %x\n", h->sc->dev.dv_xname, h->sock, 652 delta)); 653 654 /* 655 * XXX This should probably schedule something to happen 656 * after the interrupt handler completes 657 */ 658 659 if (delta & TCIC_SSTAT_CD) { 660 if (sstat & TCIC_SSTAT_CD) { 661 if (!(h->flags & TCIC_FLAG_CARDP)) { 662 DPRINTF(("%s: enqueing INSERTION event\n", 663 h->sc->dev.dv_xname)); 664 tcic_queue_event(h, TCIC_EVENT_INSERTION); 665 } 666 } else { 667 if (h->flags & TCIC_FLAG_CARDP) { 668 /* Deactivate the card now. */ 669 DPRINTF(("%s: deactivating card\n", 670 h->sc->dev.dv_xname)); 671 tcic_deactivate_card(h); 672 673 DPRINTF(("%s: enqueing REMOVAL event\n", 674 h->sc->dev.dv_xname)); 675 tcic_queue_event(h, TCIC_EVENT_REMOVAL); 676 } 677 } 678 } 679 if (delta & TCIC_SSTAT_RDY) { 680 DPRINTF(("%s: %02x READY\n", h->sc->dev.dv_xname, h->sock)); 681 /* shouldn't happen */ 682 } 683 if (delta & TCIC_SSTAT_LBAT1) { 684 DPRINTF(("%s: %02x LBAT1\n", h->sc->dev.dv_xname, h->sock)); 685 } 686 if (delta & TCIC_SSTAT_LBAT2) { 687 DPRINTF(("%s: %02x LBAT2\n", h->sc->dev.dv_xname, h->sock)); 688 } 689 if (delta & TCIC_SSTAT_WP) { 690 DPRINTF(("%s: %02x WP\n", h->sc->dev.dv_xname, h->sock)); 691 } 692 } 693 return rv; 694 } 695 696 void 697 tcic_queue_event(h, event) 698 struct tcic_handle *h; 699 int event; 700 { 701 struct tcic_event *pe; 702 int s; 703 704 pe = malloc(sizeof(*pe), M_TEMP, M_NOWAIT); 705 if (pe == NULL) 706 panic("tcic_queue_event: can't allocate event"); 707 708 pe->pe_type = event; 709 s = splhigh(); 710 SIMPLEQ_INSERT_TAIL(&h->events, pe, pe_q); 711 splx(s); 712 wakeup(&h->events); 713 } 714 void 715 tcic_attach_card(h) 716 struct tcic_handle *h; 717 { 718 DPRINTF(("tcic_attach_card\n")); 719 720 if (h->flags & TCIC_FLAG_CARDP) 721 panic("tcic_attach_card: already attached"); 722 723 /* call the MI attach function */ 724 725 pcmcia_card_attach(h->pcmcia); 726 727 h->flags |= TCIC_FLAG_CARDP; 728 } 729 730 void 731 tcic_detach_card(h, flags) 732 struct tcic_handle *h; 733 int flags; /* DETACH_* */ 734 { 735 DPRINTF(("tcic_detach_card\n")); 736 737 if (!(h->flags & TCIC_FLAG_CARDP)) 738 panic("tcic_detach_card: already detached"); 739 740 h->flags &= ~TCIC_FLAG_CARDP; 741 742 /* call the MI detach function */ 743 744 pcmcia_card_detach(h->pcmcia, flags); 745 746 } 747 748 void 749 tcic_deactivate_card(h) 750 struct tcic_handle *h; 751 { 752 int val, reg; 753 754 if (!(h->flags & TCIC_FLAG_CARDP)) 755 panic("tcic_deactivate_card: already detached"); 756 757 /* call the MI deactivate function */ 758 pcmcia_card_deactivate(h->pcmcia); 759 760 tcic_sel_sock(h); 761 762 /* XXX disable card detect resume and configuration reset??? */ 763 764 /* power down the socket */ 765 tcic_write_1(h, TCIC_R_PWR, 0); 766 767 /* reset the card XXX ? -chb */ 768 769 /* turn off irq's for this socket */ 770 reg = TCIC_IR_SCF1_N(h->sock); 771 val = tcic_read_ind_2(h, reg); 772 tcic_write_ind_2(h, reg, (val & ~TCIC_SCF1_IRQ_MASK)|TCIC_SCF1_IRQOFF); 773 reg = TCIC_IR_SCF2_N(h->sock); 774 val = tcic_read_ind_2(h, reg); 775 tcic_write_ind_2(h, reg, 776 (val | (TCIC_SCF2_MLBAT1|TCIC_SCF2_MLBAT2|TCIC_SCF2_MRDY 777 |TCIC_SCF2_MWP|TCIC_SCF2_MCD))); 778 } 779 780 /* XXX the following routine may need to be rewritten. -chb */ 781 int 782 tcic_chip_mem_alloc(pch, size, pcmhp) 783 pcmcia_chipset_handle_t pch; 784 bus_size_t size; 785 struct pcmcia_mem_handle *pcmhp; 786 { 787 struct tcic_handle *h = (struct tcic_handle *) pch; 788 bus_space_handle_t memh; 789 bus_addr_t addr; 790 bus_size_t sizepg; 791 int i, mask, mhandle; 792 793 /* out of sc->memh, allocate as many pages as necessary */ 794 795 /* 796 * The TCIC can map memory only in sizes that are 797 * powers of two, aligned at the natural boundary for the size. 798 */ 799 i = tcic_log2((u_int)size); 800 if ((1<<i) < size) 801 i++; 802 sizepg = max(i, TCIC_MEM_SHIFT) - (TCIC_MEM_SHIFT-1); 803 804 DPRINTF(("tcic_chip_mem_alloc: size %ld sizepg %ld\n", size, sizepg)); 805 806 /* can't allocate that much anyway */ 807 if (sizepg > TCIC_MEM_PAGES) /* XXX -chb */ 808 return 1; 809 810 mask = (1 << sizepg) - 1; 811 812 addr = 0; /* XXX gcc -Wuninitialized */ 813 mhandle = 0; /* XXX gcc -Wuninitialized */ 814 815 /* XXX i should be initialised to always lay on boundary. -chb */ 816 for (i = 0; i < (TCIC_MEM_PAGES + 1 - sizepg); i += sizepg) { 817 if ((h->sc->subregionmask & (mask << i)) == (mask << i)) { 818 if (bus_space_subregion(h->sc->memt, h->sc->memh, 819 i * TCIC_MEM_PAGESIZE, 820 sizepg * TCIC_MEM_PAGESIZE, &memh)) 821 return (1); 822 mhandle = mask << i; 823 addr = h->sc->membase + (i * TCIC_MEM_PAGESIZE); 824 h->sc->subregionmask &= ~(mhandle); 825 break; 826 } 827 } 828 829 if (i == (TCIC_MEM_PAGES + 1 - sizepg)) 830 return (1); 831 832 DPRINTF(("tcic_chip_mem_alloc bus addr 0x%lx+0x%lx\n", (u_long) addr, 833 (u_long) size)); 834 835 pcmhp->memt = h->sc->memt; 836 pcmhp->memh = memh; 837 pcmhp->addr = addr; 838 pcmhp->size = size; 839 pcmhp->mhandle = mhandle; 840 pcmhp->realsize = sizepg * TCIC_MEM_PAGESIZE; 841 842 return (0); 843 } 844 845 /* XXX the following routine may need to be rewritten. -chb */ 846 void 847 tcic_chip_mem_free(pch, pcmhp) 848 pcmcia_chipset_handle_t pch; 849 struct pcmcia_mem_handle *pcmhp; 850 { 851 struct tcic_handle *h = (struct tcic_handle *) pch; 852 853 h->sc->subregionmask |= pcmhp->mhandle; 854 } 855 856 void 857 tcic_chip_do_mem_map(h, win) 858 struct tcic_handle *h; 859 int win; 860 { 861 int reg, hwwin, wscnt; 862 863 int kind = h->mem[win].kind & ~PCMCIA_WIDTH_MEM_MASK; 864 int mem8 = (h->mem[win].kind & PCMCIA_WIDTH_MEM_MASK) == PCMCIA_WIDTH_MEM8; 865 DPRINTF(("tcic_chip_do_mem_map window %d: 0x%lx+0x%lx 0x%lx\n", 866 win, (u_long)h->mem[win].addr, (u_long)h->mem[win].size, 867 (u_long)h->mem[win].offset)); 868 /* 869 * the even windows are used for socket 0, 870 * the odd ones for socket 1. 871 */ 872 hwwin = (win << 1) + h->sock; 873 874 /* the WR_MEXT register is MBZ */ 875 tcic_write_ind_2(h, TCIC_WR_MEXT_N(hwwin), 0); 876 877 /* set the host base address and window size */ 878 if (h->mem[win].size2 <= 1) { 879 reg = ((h->mem[win].addr >> TCIC_MEM_SHIFT) & 880 TCIC_MBASE_ADDR_MASK) | TCIC_MBASE_4K; 881 } else { 882 reg = ((h->mem[win].addr >> TCIC_MEM_SHIFT) & 883 TCIC_MBASE_ADDR_MASK) | (h->mem[win].size2 >> 1); 884 } 885 tcic_write_ind_2(h, TCIC_WR_MBASE_N(hwwin), reg); 886 887 /* set the card address and address space */ 888 reg = 0; 889 reg = ((h->mem[win].offset >> TCIC_MEM_SHIFT) & TCIC_MMAP_ADDR_MASK); 890 reg |= (kind == PCMCIA_MEM_ATTR) ? TCIC_MMAP_ATTR : 0; 891 DPRINTF(("tcic_chip_do_map_mem window %d(%d) mmap 0x%04x\n", 892 win, hwwin, reg)); 893 tcic_write_ind_2(h, TCIC_WR_MMAP_N(hwwin), reg); 894 895 /* set the MCTL register */ 896 /* must save WSCNT field in case this is a DB86082 rev 0 */ 897 /* XXX why can't I do the following two in one statement? */ 898 reg = tcic_read_ind_2(h, TCIC_WR_MCTL_N(hwwin)) & TCIC_MCTL_WSCNT_MASK; 899 reg |= TCIC_MCTL_ENA|TCIC_MCTL_QUIET; 900 reg |= mem8 ? TCIC_MCTL_B8 : 0; 901 reg |= (h->sock << TCIC_MCTL_SS_SHIFT) & TCIC_MCTL_SS_MASK; 902 #ifdef notyet /* XXX must get speed from CIS somehow. -chb */ 903 wscnt = tcic_ns2wscnt(h->mem[win].speed); 904 #else 905 wscnt = tcic_ns2wscnt(tcic_mem_speed); /* 300 is "save" default for CIS memory */ 906 #endif 907 if (h->sc->chipid == TCIC_CHIPID_DB86082_1) { 908 /* 909 * this chip has the wait state count in window 910 * register 7 - hwwin. 911 */ 912 int reg2; 913 reg2 = tcic_read_ind_2(h, TCIC_WR_MCTL_N(7-hwwin)); 914 reg2 &= ~TCIC_MCTL_WSCNT_MASK; 915 reg2 |= wscnt & TCIC_MCTL_WSCNT_MASK; 916 tcic_write_ind_2(h, TCIC_WR_MCTL_N(7-hwwin), reg2); 917 } else { 918 reg |= wscnt & TCIC_MCTL_WSCNT_MASK; 919 } 920 tcic_write_ind_2(h, TCIC_WR_MCTL_N(hwwin), reg); 921 922 #ifdef TCICDEBUG 923 { 924 int r1, r2, r3; 925 926 r1 = tcic_read_ind_2(h, TCIC_WR_MBASE_N(hwwin)); 927 r2 = tcic_read_ind_2(h, TCIC_WR_MMAP_N(hwwin)); 928 r3 = tcic_read_ind_2(h, TCIC_WR_MCTL_N(hwwin)); 929 930 DPRINTF(("tcic_chip_do_mem_map window %d(%d): %04x %04x %04x\n", 931 win, hwwin, r1, r2, r3)); 932 } 933 #endif 934 } 935 936 /* XXX needs work */ 937 int 938 tcic_chip_mem_map(pch, kind, card_addr, size, pcmhp, offsetp, windowp) 939 pcmcia_chipset_handle_t pch; 940 int kind; 941 bus_addr_t card_addr; 942 bus_size_t size; 943 struct pcmcia_mem_handle *pcmhp; 944 bus_size_t *offsetp; 945 int *windowp; 946 { 947 struct tcic_handle *h = (struct tcic_handle *) pch; 948 bus_addr_t busaddr; 949 long card_offset; 950 int i, win; 951 952 win = -1; 953 for (i = 0; i < h->memwins; i++) { 954 if ((h->memalloc & (1 << i)) == 0) { 955 win = i; 956 h->memalloc |= (1 << i); 957 break; 958 } 959 } 960 961 if (win == -1) 962 return (1); 963 964 *windowp = win; 965 966 /* XXX this is pretty gross */ 967 968 if (h->sc->memt != pcmhp->memt) 969 panic("tcic_chip_mem_map memt is bogus"); 970 971 busaddr = pcmhp->addr; 972 973 /* 974 * compute the address offset to the pcmcia address space for the 975 * tcic. this is intentionally signed. The masks and shifts below 976 * will cause TRT to happen in the tcic registers. Deal with making 977 * sure the address is aligned, and return the alignment offset. 978 */ 979 980 *offsetp = card_addr % TCIC_MEM_ALIGN; 981 card_addr -= *offsetp; 982 983 DPRINTF(("tcic_chip_mem_map window %d bus %lx+%lx+%lx at card addr " 984 "%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size, 985 (u_long) card_addr)); 986 987 /* XXX we can't use size. -chb */ 988 /* 989 * include the offset in the size, and decrement size by one, since 990 * the hw wants start/stop 991 */ 992 size += *offsetp - 1; 993 994 card_offset = (((long) card_addr) - ((long) busaddr)); 995 996 DPRINTF(("tcic_chip_mem_map window %d card_offset 0x%lx\n", 997 win, (u_long)card_offset)); 998 999 h->mem[win].addr = busaddr; 1000 h->mem[win].size = size; 1001 h->mem[win].size2 = tcic_log2((u_int)pcmhp->realsize) - TCIC_MEM_SHIFT; 1002 h->mem[win].offset = card_offset; 1003 h->mem[win].kind = kind; 1004 1005 tcic_chip_do_mem_map(h, win); 1006 1007 return (0); 1008 } 1009 1010 void 1011 tcic_chip_mem_unmap(pch, window) 1012 pcmcia_chipset_handle_t pch; 1013 int window; 1014 { 1015 struct tcic_handle *h = (struct tcic_handle *) pch; 1016 int reg, hwwin; 1017 1018 if (window >= h->memwins) 1019 panic("tcic_chip_mem_unmap: window out of range"); 1020 1021 hwwin = (window << 1) + h->sock; 1022 reg = tcic_read_ind_2(h, TCIC_WR_MCTL_N(hwwin)); 1023 reg &= ~TCIC_MCTL_ENA; 1024 tcic_write_ind_2(h, TCIC_WR_MCTL_N(hwwin), reg); 1025 1026 h->memalloc &= ~(1 << window); 1027 } 1028 1029 int 1030 tcic_chip_io_alloc(pch, start, size, align, pcihp) 1031 pcmcia_chipset_handle_t pch; 1032 bus_addr_t start; 1033 bus_size_t size; 1034 bus_size_t align; 1035 struct pcmcia_io_handle *pcihp; 1036 { 1037 struct tcic_handle *h = (struct tcic_handle *) pch; 1038 bus_space_tag_t iot; 1039 bus_space_handle_t ioh; 1040 bus_addr_t ioaddr; 1041 int size2, flags = 0; 1042 1043 /* 1044 * Allocate some arbitrary I/O space. 1045 */ 1046 1047 DPRINTF(("tcic_chip_io_alloc req 0x%lx %ld %ld\n", 1048 (u_long) start, (u_long) size, (u_long) align)); 1049 /* 1050 * The TCIC can map I/O space only in sizes that are 1051 * powers of two, aligned at the natural boundary for the size. 1052 */ 1053 size2 = tcic_log2((u_int)size); 1054 if ((1 << size2) < size) 1055 size2++; 1056 /* can't allocate that much anyway */ 1057 if (size2 > 16) /* XXX 64K -chb */ 1058 return 1; 1059 if (align) { 1060 if ((1 << size2) != align) 1061 return 1; /* not suitably aligned */ 1062 } else { 1063 align = 1 << size2; /* no alignment given, make it natural */ 1064 } 1065 if (start & (align - 1)) 1066 return 1; /* not suitably aligned */ 1067 1068 iot = h->sc->iot; 1069 1070 if (start) { 1071 ioaddr = start; 1072 if (bus_space_map(iot, start, size, 0, &ioh)) 1073 return (1); 1074 DPRINTF(("tcic_chip_io_alloc map port %lx+%lx\n", 1075 (u_long) ioaddr, (u_long) size)); 1076 } else { 1077 flags |= PCMCIA_IO_ALLOCATED; 1078 if (bus_space_alloc(iot, h->sc->iobase, 1079 h->sc->iobase + h->sc->iosize, size, align, 0, 0, 1080 &ioaddr, &ioh)) 1081 return (1); 1082 DPRINTF(("tcic_chip_io_alloc alloc port %lx+%lx\n", 1083 (u_long) ioaddr, (u_long) size)); 1084 } 1085 1086 pcihp->iot = iot; 1087 pcihp->ioh = ioh; 1088 pcihp->addr = ioaddr; 1089 pcihp->size = size; 1090 pcihp->flags = flags; 1091 1092 return (0); 1093 } 1094 1095 void 1096 tcic_chip_io_free(pch, pcihp) 1097 pcmcia_chipset_handle_t pch; 1098 struct pcmcia_io_handle *pcihp; 1099 { 1100 bus_space_tag_t iot = pcihp->iot; 1101 bus_space_handle_t ioh = pcihp->ioh; 1102 bus_size_t size = pcihp->size; 1103 1104 if (pcihp->flags & PCMCIA_IO_ALLOCATED) 1105 bus_space_free(iot, ioh, size); 1106 else 1107 bus_space_unmap(iot, ioh, size); 1108 } 1109 1110 static int tcic_iowidth_map[] = 1111 { TCIC_ICTL_AUTOSZ, TCIC_ICTL_B8, TCIC_ICTL_B16 }; 1112 1113 void 1114 tcic_chip_do_io_map(h, win) 1115 struct tcic_handle *h; 1116 int win; 1117 { 1118 int reg, size2, iotiny, wbase, hwwin, wscnt; 1119 1120 DPRINTF(("tcic_chip_do_io_map win %d addr %lx size %lx width %d\n", 1121 win, (long) h->io[win].addr, (long) h->io[win].size, 1122 h->io[win].width * 8)); 1123 1124 /* 1125 * the even windows are used for socket 0, 1126 * the odd ones for socket 1. 1127 */ 1128 hwwin = (win << 1) + h->sock; 1129 1130 /* set the WR_BASE register */ 1131 /* XXX what if size isn't power of 2? -chb */ 1132 size2 = tcic_log2((u_int)h->io[win].size); 1133 DPRINTF(("tcic_chip_do_io_map win %d size2 %d\n", win, size2)); 1134 if (size2 < 1) { 1135 iotiny = TCIC_ICTL_TINY; 1136 wbase = h->io[win].addr; 1137 } else { 1138 iotiny = 0; 1139 /* XXX we should do better -chb */ 1140 wbase = h->io[win].addr | (1 << (size2 - 1)); 1141 } 1142 tcic_write_ind_2(h, TCIC_WR_IBASE_N(hwwin), wbase); 1143 1144 /* set the WR_ICTL register */ 1145 reg = TCIC_ICTL_ENA | TCIC_ICTL_QUIET; 1146 reg |= (h->sock << TCIC_ICTL_SS_SHIFT) & TCIC_ICTL_SS_MASK; 1147 reg |= iotiny | tcic_iowidth_map[h->io[win].width]; 1148 if (h->sc->chipid != TCIC_CHIPID_DB86082_1) 1149 reg |= TCIC_ICTL_PASS16; 1150 #ifdef notyet /* XXX must get speed from CIS somehow. -chb */ 1151 wscnt = tcic_ns2wscnt(h->io[win].speed); 1152 #else 1153 wscnt = tcic_ns2wscnt(tcic_io_speed); /* linux uses 0 as default */ 1154 #endif 1155 reg |= wscnt & TCIC_ICTL_WSCNT_MASK; 1156 tcic_write_ind_2(h, TCIC_WR_ICTL_N(hwwin), reg); 1157 1158 #ifdef TCICDEBUG 1159 { 1160 int r1, r2; 1161 1162 r1 = tcic_read_ind_2(h, TCIC_WR_IBASE_N(hwwin)); 1163 r2 = tcic_read_ind_2(h, TCIC_WR_ICTL_N(hwwin)); 1164 1165 DPRINTF(("tcic_chip_do_io_map window %d(%d): %04x %04x\n", 1166 win, hwwin, r1, r2)); 1167 } 1168 #endif 1169 } 1170 1171 int 1172 tcic_chip_io_map(pch, width, offset, size, pcihp, windowp) 1173 pcmcia_chipset_handle_t pch; 1174 int width; 1175 bus_addr_t offset; 1176 bus_size_t size; 1177 struct pcmcia_io_handle *pcihp; 1178 int *windowp; 1179 { 1180 struct tcic_handle *h = (struct tcic_handle *) pch; 1181 bus_addr_t ioaddr = pcihp->addr + offset; 1182 int i, win; 1183 #ifdef TCICDEBUG 1184 static char *width_names[] = { "auto", "io8", "io16" }; 1185 #endif 1186 1187 /* XXX Sanity check offset/size. */ 1188 1189 win = -1; 1190 for (i = 0; i < TCIC_IO_WINS; i++) { 1191 if ((h->ioalloc & (1 << i)) == 0) { 1192 win = i; 1193 h->ioalloc |= (1 << i); 1194 break; 1195 } 1196 } 1197 1198 if (win == -1) 1199 return (1); 1200 1201 *windowp = win; 1202 1203 /* XXX this is pretty gross */ 1204 1205 if (h->sc->iot != pcihp->iot) 1206 panic("tcic_chip_io_map iot is bogus"); 1207 1208 DPRINTF(("tcic_chip_io_map window %d %s port %lx+%lx\n", 1209 win, width_names[width], (u_long) ioaddr, (u_long) size)); 1210 1211 /* XXX wtf is this doing here? */ 1212 1213 printf(" port 0x%lx", (u_long) ioaddr); 1214 if (size > 1) 1215 printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1); 1216 1217 h->io[win].addr = ioaddr; 1218 h->io[win].size = size; 1219 h->io[win].width = width; 1220 1221 tcic_chip_do_io_map(h, win); 1222 1223 return (0); 1224 } 1225 1226 void 1227 tcic_chip_io_unmap(pch, window) 1228 pcmcia_chipset_handle_t pch; 1229 int window; 1230 { 1231 struct tcic_handle *h = (struct tcic_handle *) pch; 1232 int reg, hwwin; 1233 1234 if (window >= TCIC_IO_WINS) 1235 panic("tcic_chip_io_unmap: window out of range"); 1236 1237 hwwin = (window << 1) + h->sock; 1238 reg = tcic_read_ind_2(h, TCIC_WR_ICTL_N(hwwin)); 1239 reg &= ~TCIC_ICTL_ENA; 1240 tcic_write_ind_2(h, TCIC_WR_ICTL_N(hwwin), reg); 1241 1242 h->ioalloc &= ~(1 << window); 1243 } 1244 1245 void 1246 tcic_chip_socket_enable(pch) 1247 pcmcia_chipset_handle_t pch; 1248 { 1249 struct tcic_handle *h = (struct tcic_handle *) pch; 1250 int cardtype, reg, win; 1251 1252 tcic_sel_sock(h); 1253 1254 /* 1255 * power down the socket to reset it. 1256 * put card reset into high-z, put chip outputs to card into high-z 1257 */ 1258 1259 tcic_write_1(h, TCIC_R_PWR, 0); 1260 reg = tcic_read_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK); 1261 reg |= TCIC_ILOCK_CWAIT; 1262 reg &= ~(TCIC_ILOCK_CRESET|TCIC_ILOCK_CRESENA); 1263 tcic_write_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK, reg); 1264 tcic_write_1(h, TCIC_R_SCTRL, 0); /* clear TCIC_SCTRL_ENA */ 1265 1266 /* power up the socket */ 1267 1268 /* turn on VCC, turn of VPP */ 1269 reg = TCIC_PWR_VCC_N(h->sock) | TCIC_PWR_VPP_N(h->sock) | h->sc->pwrena; 1270 if (h->sc->pwrena) /* this is a '84 type chip */ 1271 reg |= TCIC_PWR_VCC5V; 1272 tcic_write_1(h, TCIC_R_PWR, reg); 1273 delay(10000); 1274 1275 /* enable reset and wiggle it to reset the card */ 1276 reg = tcic_read_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK); 1277 reg |= TCIC_ILOCK_CRESENA; 1278 tcic_write_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK, reg); 1279 /* XXX need bus_space_barrier here */ 1280 reg |= TCIC_ILOCK_CRESET; 1281 tcic_write_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK, reg); 1282 /* enable card signals */ 1283 tcic_write_1(h, TCIC_R_SCTRL, TCIC_SCTRL_ENA); 1284 delay(10); /* wait 10 us */ 1285 1286 /* clear the reset flag */ 1287 reg = tcic_read_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK); 1288 reg &= ~(TCIC_ILOCK_CRESET); 1289 tcic_write_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK, reg); 1290 1291 /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */ 1292 delay(20000); 1293 1294 /* wait for the chip to finish initializing */ 1295 tcic_wait_ready(h); 1296 1297 /* WWW */ 1298 /* zero out the address windows */ 1299 1300 /* writing to WR_MBASE_N disables the window */ 1301 for (win = 0; win < h->memwins; win++) { 1302 tcic_write_ind_2(h, TCIC_WR_MBASE_N((win<<1)+h->sock), 0); 1303 } 1304 /* writing to WR_IBASE_N disables the window */ 1305 for (win = 0; win < TCIC_IO_WINS; win++) { 1306 tcic_write_ind_2(h, TCIC_WR_IBASE_N((win<<1)+h->sock), 0); 1307 } 1308 1309 /* set the card type */ 1310 1311 cardtype = pcmcia_card_gettype(h->pcmcia); 1312 1313 #if 0 1314 reg = tcic_read_ind_2(h, TCIC_IR_SCF1_N(h->sock)); 1315 reg &= ~TCIC_SCF1_IRQ_MASK; 1316 #else 1317 reg = 0; 1318 #endif 1319 reg |= ((cardtype == PCMCIA_IFTYPE_IO) ? 1320 TCIC_SCF1_IOSTS : 0); 1321 reg |= tcic_irqmap[h->ih_irq]; /* enable interrupts */ 1322 reg &= ~TCIC_SCF1_IRQOD; 1323 tcic_write_ind_2(h, TCIC_IR_SCF1_N(h->sock), reg); 1324 1325 DPRINTF(("%s: tcic_chip_socket_enable %d cardtype %s 0x%02x\n", 1326 h->sc->dev.dv_xname, h->sock, 1327 ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), reg)); 1328 1329 /* reinstall all the memory and io mappings */ 1330 1331 for (win = 0; win < h->memwins; win++) 1332 if (h->memalloc & (1 << win)) 1333 tcic_chip_do_mem_map(h, win); 1334 1335 for (win = 0; win < TCIC_IO_WINS; win++) 1336 if (h->ioalloc & (1 << win)) 1337 tcic_chip_do_io_map(h, win); 1338 } 1339 1340 void 1341 tcic_chip_socket_disable(pch) 1342 pcmcia_chipset_handle_t pch; 1343 { 1344 struct tcic_handle *h = (struct tcic_handle *) pch; 1345 int val; 1346 1347 DPRINTF(("tcic_chip_socket_disable\n")); 1348 1349 tcic_sel_sock(h); 1350 1351 /* disable interrupts */ 1352 val = tcic_read_ind_2(h, TCIC_IR_SCF1_N(h->sock)); 1353 val &= TCIC_SCF1_IRQ_MASK; 1354 tcic_write_ind_2(h, TCIC_IR_SCF1_N(h->sock), val); 1355 1356 /* disable the output signals */ 1357 tcic_write_1(h, TCIC_R_SCTRL, 0); 1358 val = tcic_read_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK); 1359 val &= ~TCIC_ILOCK_CRESENA; 1360 tcic_write_aux_2(h->sc->iot, h->sc->ioh, TCIC_AR_ILOCK, val); 1361 1362 /* power down the socket */ 1363 tcic_write_1(h, TCIC_R_PWR, 0); 1364 } 1365 1366 /* 1367 * XXX The following is Linux driver but doesn't match the table 1368 * in the manual. 1369 */ 1370 int 1371 tcic_ns2wscnt(ns) 1372 int ns; 1373 { 1374 if (ns < 14) { 1375 return 0; 1376 } else { 1377 return (2*(ns-14))/70; /* XXX assumes 14.31818 MHz clock. */ 1378 } 1379 } 1380 1381 int 1382 tcic_log2(val) 1383 u_int val; 1384 { 1385 int i, l2; 1386 1387 l2 = i = 0; 1388 while (val) { 1389 if (val & 1) 1390 l2 = i; 1391 i++; 1392 val >>= 1; 1393 } 1394 return l2; 1395 } 1396