ata-all.c revision 68502
1/*- 2 * Copyright (c) 1998,1999,2000 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/dev/ata/ata-all.c 68502 2000-11-08 19:31:39Z sos $ 29 */ 30 31#include "ata.h" 32#include "isa.h" 33#include "card.h" 34#include "pci.h" 35#include "atadisk.h" 36#include "atapicd.h" 37#include "atapifd.h" 38#include "atapist.h" 39#include "opt_global.h" 40#include "opt_ata.h" 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/kernel.h> 44#include <sys/disk.h> 45#include <sys/module.h> 46#include <sys/bus.h> 47#include <sys/bio.h> 48#include <sys/malloc.h> 49#include <sys/devicestat.h> 50#include <sys/sysctl.h> 51#include <machine/stdarg.h> 52#include <machine/resource.h> 53#include <machine/bus.h> 54#include <sys/rman.h> 55#if NPCI > 0 56#include <pci/pcivar.h> 57#include <pci/pcireg.h> 58#endif 59#include <isa/isavar.h> 60#include <isa/isareg.h> 61#ifdef __alpha__ 62#include <machine/md_var.h> 63#endif 64#include <dev/ata/ata-all.h> 65#include <dev/ata/ata-disk.h> 66#include <dev/ata/atapi-all.h> 67 68/* misc defines */ 69#define IOMASK 0xfffffffc 70#define ATA_IOADDR_RID 0 71#define ATA_ALTADDR_RID 1 72#define ATA_BMADDR_RID 2 73#if NPCI > 0 74#define ATA_MASTERDEV(dev) ((pci_get_progif(dev) & 0x80) && \ 75 (pci_get_progif(dev) & 0x05) != 0x05) 76#else 77#define ATA_MASTERDEV(dev) (1) 78#endif 79 80/* prototypes */ 81static int ata_probe(device_t); 82static int ata_attach(device_t); 83static int ata_detach(device_t); 84static int ata_resume(device_t); 85static void ata_boot_attach(void); 86static void ata_intr(void *); 87static int ata_getparam(struct ata_softc *, int, u_int8_t); 88static int ata_service(struct ata_softc *); 89static char *active2str(int); 90static void bswap(int8_t *, int); 91static void btrim(int8_t *, int); 92static void bpack(int8_t *, int8_t *, int); 93 94/* local vars */ 95static devclass_t ata_devclass; 96static devclass_t ata_pci_devclass; 97static struct intr_config_hook *ata_delayed_attach = NULL; 98static char ata_conf[256]; 99MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer"); 100 101#if NISA > 0 102static struct isa_pnp_id ata_ids[] = { 103 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ 104 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ 105 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ 106 {0x0306d041, "Generic ATA"}, /* PNP0603 */ 107 {0} 108}; 109 110static int 111ata_isa_probe(device_t dev) 112{ 113 struct ata_softc *scp = device_get_softc(dev); 114 struct resource *port; 115 int rid; 116 u_long tmp; 117 118 /* check isapnp ids */ 119 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) 120 return ENXIO; 121 122 /* allocate the port range */ 123 rid = ATA_IOADDR_RID; 124 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 125 ATA_IOSIZE, RF_ACTIVE); 126 if (!port) 127 return ENOMEM; 128 129 /* alloctate the altport range */ 130 if (bus_get_resource(dev, SYS_RES_IOPORT, 1, &tmp, &tmp)) { 131 bus_set_resource(dev, SYS_RES_IOPORT, 1, 132 rman_get_start(port) + ATA_ALTOFFSET, 133 ATA_ALTIOSIZE); 134 } 135 bus_release_resource(dev, SYS_RES_IOPORT, 0, port); 136 scp->channel = 0; 137 scp->flags |= ATA_USE_16BIT; 138 return ata_probe(dev); 139} 140 141static device_method_t ata_isa_methods[] = { 142 /* device interface */ 143 DEVMETHOD(device_probe, ata_isa_probe), 144 DEVMETHOD(device_attach, ata_attach), 145 DEVMETHOD(device_resume, ata_resume), 146 { 0, 0 } 147}; 148 149static driver_t ata_isa_driver = { 150 "ata", 151 ata_isa_methods, 152 sizeof(struct ata_softc), 153}; 154 155DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); 156#endif 157 158#if NCARD > 0 159static int 160ata_pccard_probe(device_t dev) 161{ 162 struct ata_softc *scp = device_get_softc(dev); 163 struct resource *port; 164 int rid, len; 165 166 /* allocate the port range */ 167 rid = ATA_IOADDR_RID; 168 len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid); 169 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, len, RF_ACTIVE); 170 if (!port) 171 return ENOMEM; 172 173 /* 174 * if we got more than the default ATA_IOSIZE ports, this is likely 175 * a pccard system where the altio ports are located just after the 176 * normal io ports, so no need to allocate them. 177 */ 178 if (len <= ATA_IOSIZE) { 179 bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, 180 rman_get_start(port) + ATA_ALTOFFSET, ATA_ALTIOSIZE); 181 } 182 bus_release_resource(dev, SYS_RES_IOPORT, 0, port); 183 scp->channel = 0; 184 scp->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE); 185 return ata_probe(dev); 186} 187 188static device_method_t ata_pccard_methods[] = { 189 /* device interface */ 190 DEVMETHOD(device_probe, ata_pccard_probe), 191 DEVMETHOD(device_attach, ata_attach), 192 DEVMETHOD(device_detach, ata_detach), 193 { 0, 0 } 194}; 195 196static driver_t ata_pccard_driver = { 197 "ata", 198 ata_pccard_methods, 199 sizeof(struct ata_softc), 200}; 201 202DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0); 203#endif 204 205#if NPCI > 0 206struct ata_pci_softc { 207 struct resource *bmio; 208 struct resource bmio_1; 209 struct resource bmio_2; 210 struct resource *irq; 211 int irqcnt; 212}; 213 214int 215ata_find_dev(device_t dev, u_int32_t type, u_int32_t revid) 216{ 217 device_t *children, child; 218 int nchildren, i; 219 220 if (device_get_children(device_get_parent(dev), &children, &nchildren)) 221 return 0; 222 223 for (i = 0; i < nchildren; i++) { 224 child = children[i]; 225 226 /* check that it's on the same silicon and the device we want */ 227 if (pci_get_slot(dev) == pci_get_slot(child) && 228 pci_get_vendor(child) == (type & 0xffff) && 229 pci_get_device(child) == ((type & 0xffff0000) >> 16) && 230 pci_get_revid(child) >= revid) { 231 free(children, M_TEMP); 232 return 1; 233 } 234 } 235 free(children, M_TEMP); 236 return 0; 237} 238 239static const char * 240ata_pci_match(device_t dev) 241{ 242 if (pci_get_class(dev) != PCIC_STORAGE) 243 return NULL; 244 245 switch (pci_get_devid(dev)) { 246 /* supported chipsets */ 247 case 0x12308086: 248 return "Intel PIIX ATA controller"; 249 250 case 0x70108086: 251 return "Intel PIIX3 ATA controller"; 252 253 case 0x71118086: 254 case 0x71998086: 255 return "Intel PIIX4 ATA33 controller"; 256 257 case 0x24218086: 258 return "Intel ICH0 ATA33 controller"; 259 260 case 0x24118086: 261 return "Intel ICH ATA66 controller"; 262 263 case 0x244b8086: 264 return "Intel ICH2 ATA100 controller"; 265 266 case 0x522910b9: 267 return "AcerLabs Aladdin ATA33 controller"; 268 269 case 0x05711106: 270 if (ata_find_dev(dev, 0x05861106, 0)) 271 return "VIA 82C586 ATA33 controller"; 272 if (ata_find_dev(dev, 0x05961106, 0x12)) 273 return "VIA 82C596 ATA66 controller"; 274 if (ata_find_dev(dev, 0x05961106, 0)) 275 return "VIA 82C596 ATA33 controller"; 276 if (ata_find_dev(dev, 0x06861106, 0)) 277 return "VIA 82C686 ATA66 controller"; 278 return "VIA Apollo ATA controller"; 279 280 case 0x55131039: 281 return "SiS 5591 ATA33 controller"; 282 283 case 0x06491095: 284 return "CMD 649 ATA100 controller"; 285 286 case 0x06481095: 287 return "CMD 648 ATA66 controller"; 288 289 case 0x06461095: 290 return "CMD 646 ATA controller"; 291 292 case 0xc6931080: 293 if (pci_get_subclass(dev) == PCIS_STORAGE_IDE) 294 return "Cypress 82C693 ATA controller"; 295 break; 296 297 case 0x01021078: 298 return "Cyrix 5530 ATA33 controller"; 299 300 case 0x74091022: 301 return "AMD 756 ATA66 controller"; 302 303 case 0x02111166: 304 return "ServerWorks ROSB4 ATA33 controller"; 305 306 case 0x4d33105a: 307 return "Promise ATA33 controller"; 308 309 case 0x4d38105a: 310 return "Promise ATA66 controller"; 311 312 case 0x0d30105a: 313 case 0x4d30105a: 314 return "Promise ATA100 controller"; 315 316 case 0x00041103: 317 switch (pci_get_revid(dev)) { 318 case 0x00: 319 case 0x01: 320 return "HighPoint HPT366 ATA66 controller"; 321 case 0x02: 322 return "HighPoint HPT368 ATA66 controller"; 323 case 0x03: 324 case 0x04: 325 return "HighPoint HPT370 ATA100 controller"; 326 default: 327 return "Unknown revision HighPoint ATA controller"; 328 } 329 330 /* unsupported but known chipsets, generic DMA only */ 331 case 0x10001042: 332 case 0x10011042: 333 return "RZ 100? ATA controller !WARNING! buggy chip data loss possible"; 334 335 case 0x06401095: 336 return "CMD 640 ATA controller !WARNING! buggy chip data loss possible"; 337 338 /* unknown chipsets, try generic DMA if it seems possible */ 339 default: 340 if (pci_get_class(dev) == PCIC_STORAGE && 341 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) 342 return "Generic PCI ATA controller"; 343 } 344 return NULL; 345} 346 347static int 348ata_pci_probe(device_t dev) 349{ 350 const char *desc = ata_pci_match(dev); 351 352 if (desc) { 353 device_set_desc(dev, desc); 354 return 0; 355 } 356 else 357 return ENXIO; 358} 359 360static int 361ata_pci_add_child(device_t dev, int unit) 362{ 363 device_t child; 364 365 /* check if this is located at one of the std addresses */ 366 if (ATA_MASTERDEV(dev)) { 367 if (!(child = device_add_child(dev, "ata", unit))) 368 return ENOMEM; 369 } 370 else { 371 if (!(child = device_add_child(dev, "ata", 2))) 372 return ENOMEM; 373 } 374 return 0; 375} 376 377static int 378ata_pci_attach(device_t dev) 379{ 380 struct ata_pci_softc *sc = device_get_softc(dev); 381 u_int8_t class, subclass; 382 u_int32_t type, cmd; 383 int rid; 384 385 /* set up vendor-specific stuff */ 386 type = pci_get_devid(dev); 387 class = pci_get_class(dev); 388 subclass = pci_get_subclass(dev); 389 cmd = pci_read_config(dev, PCIR_COMMAND, 4); 390 391 /* is busmastering supported ? */ 392 if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) == 393 (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) { 394 395 /* is there a valid port range to connect to ? */ 396 rid = 0x20; 397 sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 398 0, ~0, 1, RF_ACTIVE); 399 if (!sc->bmio) 400 device_printf(dev, "Busmastering DMA not configured\n"); 401 } 402 else 403 device_printf(dev, "Busmastering DMA not supported\n"); 404 405 /* do extra chipset specific setups */ 406 switch (type) { 407 case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */ 408 pci_write_config(dev, 0x53, 409 (pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1); 410 break; 411 412 case 0x4d38105a: /* Promise 66 & 100 need their clock changed */ 413 case 0x4d30105a: 414 case 0x0d30105a: 415 outb(rman_get_start(sc->bmio) + 0x11, 416 inb(rman_get_start(sc->bmio) + 0x11) | 0x0a); 417 /* FALLTHROUGH */ 418 419 case 0x4d33105a: /* Promise (all) need burst mode to be turned on */ 420 outb(rman_get_start(sc->bmio) + 0x1f, 421 inb(rman_get_start(sc->bmio) + 0x1f) | 0x01); 422 break; 423 424 case 0x00041103: /* HighPoint */ 425 switch (pci_get_revid(dev)) { 426 case 0x00: 427 case 0x01: 428 /* turn off interrupt prediction */ 429 pci_write_config(dev, 0x51, 430 (pci_read_config(dev, 0x51, 1) & ~0x80), 1); 431 break; 432 433 case 0x02: 434 case 0x03: 435 case 0x04: 436 /* turn off interrupt prediction */ 437 pci_write_config(dev, 0x51, 438 (pci_read_config(dev, 0x51, 1) & ~0x02), 1); 439 pci_write_config(dev, 0x55, 440 (pci_read_config(dev, 0x55, 1) & ~0x02), 1); 441 /* turn on interrupts */ 442 pci_write_config(dev, 0x5a, 443 (pci_read_config(dev, 0x5a, 1) & ~0x10), 1); 444 445 } 446 break; 447 448 case 0x05711106: 449 case 0x74091022: /* VIA 82C586, 82C596, 82C686 & AMD 756 default setup */ 450 /* set prefetch, postwrite */ 451 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1); 452 453 /* set fifo configuration half'n'half */ 454 pci_write_config(dev, 0x43, 455 (pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1); 456 457 /* set status register read retry */ 458 pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1); 459 460 /* set DMA read & end-of-sector fifo flush */ 461 pci_write_config(dev, 0x46, 462 (pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1); 463 464 /* set sector size */ 465 pci_write_config(dev, 0x60, DEV_BSIZE, 2); 466 pci_write_config(dev, 0x68, DEV_BSIZE, 2); 467 468 /* prepare for ATA-66 on the 82C686 and rev 0x12 and newer 82C596's */ 469 if (ata_find_dev(dev, 0x06861106, 0) || 470 ata_find_dev(dev, 0x05961106, 0x12)) { 471 pci_write_config(dev, 0x50, 472 pci_read_config(dev, 0x50, 4) | 0x070f070f, 4); 473 } 474 break; 475 476 case 0x10001042: /* RZ 100? known bad, no DMA */ 477 case 0x10011042: 478 case 0x06401095: /* CMD 640 known bad, no DMA */ 479 sc->bmio = 0x0; 480 device_printf(dev, "Busmastering DMA disabled\n"); 481 } 482 483 /* 484 * the Cypress chip is a mess, it contains two ATA functions, but 485 * both channels are visible on the first one. 486 * simply ignore the second function for now, as the right 487 * solution (ignoring the second channel on the first function) 488 * doesn't work with the crappy ATA interrupt setup on the alpha. 489 */ 490 if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1) 491 return 0; 492 493 ata_pci_add_child(dev, 0); 494 495 if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK) 496 ata_pci_add_child(dev, 1); 497 498 return bus_generic_attach(dev); 499} 500 501static int 502ata_pci_print_child(device_t dev, device_t child) 503{ 504 struct ata_softc *scp = device_get_softc(child); 505 int retval = 0; 506 507 retval += bus_print_child_header(dev, child); 508 retval += printf(": at 0x%x", scp->ioaddr); 509 510 if (ATA_MASTERDEV(dev)) 511 retval += printf(" irq %d", 14 + scp->channel); 512 513 retval += bus_print_child_footer(dev, child); 514 515 return retval; 516} 517 518static struct resource * 519ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 520 u_long start, u_long end, u_long count, u_int flags) 521{ 522 struct ata_pci_softc *sc = device_get_softc(dev); 523 int channel = ((struct ata_softc *)device_get_softc(child))->channel; 524 int myrid; 525 526 if (type == SYS_RES_IOPORT) { 527 switch (*rid) { 528 case ATA_IOADDR_RID: 529 if (ATA_MASTERDEV(dev)) { 530 myrid = 0; 531 start = (channel == 0 ? IO_WD1 : IO_WD2); 532 end = start + ATA_IOSIZE - 1; 533 count = ATA_IOSIZE; 534 } 535 else 536 myrid = 0x10 + 8 * channel; 537 break; 538 539 case ATA_ALTADDR_RID: 540 if (ATA_MASTERDEV(dev)) { 541 myrid = 0; 542 start = (channel == 0 ? IO_WD1 : IO_WD2) + ATA_ALTOFFSET; 543 end = start + ATA_ALTIOSIZE - 1; 544 count = ATA_ALTIOSIZE; 545 } 546 else 547 myrid = 0x14 + 8 * channel; 548 break; 549 550 case ATA_BMADDR_RID: 551 /* the busmaster resource is shared between the two channels */ 552 if (sc->bmio) { 553 if (channel == 0) { 554 sc->bmio_1 = *sc->bmio; 555 sc->bmio_1.r_end = sc->bmio->r_start + ATA_BM_OFFSET1; 556 return &sc->bmio_1; 557 } else { 558 sc->bmio_2 = *sc->bmio; 559 sc->bmio_2.r_start = sc->bmio->r_start + ATA_BM_OFFSET1; 560 sc->bmio_2.r_end = sc->bmio_2.r_start + ATA_BM_OFFSET1; 561 return &sc->bmio_2; 562 } 563 } 564 return 0; 565 566 default: 567 return 0; 568 } 569 570 if (ATA_MASTERDEV(dev)) 571 /* make the parent just pass through the allocation. */ 572 return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 573 SYS_RES_IOPORT, &myrid, 574 start, end, count, flags); 575 else 576 /* we are using the parent resource directly. */ 577 return BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 578 SYS_RES_IOPORT, &myrid, 579 start, end, count, flags); 580 } 581 582 if (type == SYS_RES_IRQ) { 583 if (*rid != 0) 584 return 0; 585 586 if (ATA_MASTERDEV(dev)) { 587#ifdef __alpha__ 588 return alpha_platform_alloc_ide_intr(channel); 589#else 590 int irq = (channel == 0 ? 14 : 15); 591 592 return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 593 SYS_RES_IRQ, rid, 594 irq, irq, 1, flags & ~RF_SHAREABLE); 595#endif 596 } else { 597 /* primary and secondary channels share the same interrupt */ 598 sc->irqcnt++; 599 if (!sc->irq) 600 sc->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 601 SYS_RES_IRQ, rid, 0, ~0, 1, flags); 602 return sc->irq; 603 } 604 } 605 return 0; 606} 607 608static int 609ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 610 struct resource *r) 611{ 612 struct ata_pci_softc *sc = device_get_softc(dev); 613 int channel = ((struct ata_softc *)device_get_softc(child))->channel; 614 int myrid = 0; 615 616 if (type == SYS_RES_IOPORT) { 617 switch (rid) { 618 case ATA_IOADDR_RID: 619 if (ATA_MASTERDEV(dev)) 620 myrid = 0; 621 else 622 myrid = 0x10 + 8 * channel; 623 break; 624 625 case ATA_ALTADDR_RID: 626 if (ATA_MASTERDEV(dev)) 627 myrid = 0; 628 else 629 myrid = 0x14 + 8 * channel; 630 break; 631 632 case ATA_BMADDR_RID: 633 return 0; 634 635 default: 636 return ENOENT; 637 } 638 639 if (ATA_MASTERDEV(dev)) 640 /* make the parent just pass through the allocation. */ 641 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 642 SYS_RES_IOPORT, myrid, r); 643 else 644 /* we are using the parent resource directly. */ 645 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 646 SYS_RES_IOPORT, myrid, r); 647 } 648 if (type == SYS_RES_IRQ) { 649 if (rid != 0) 650 return ENOENT; 651 652 if (ATA_MASTERDEV(dev)) { 653#ifdef __alpha__ 654 return alpha_platform_release_ide_intr(channel, r); 655#else 656 return BUS_RELEASE_RESOURCE(device_get_parent(dev), 657 child, SYS_RES_IRQ, rid, r); 658#endif 659 } 660 else { 661 if (--sc->irqcnt) 662 return 0; 663 664 return BUS_RELEASE_RESOURCE(device_get_parent(dev), 665 dev, SYS_RES_IRQ, rid, r); 666 } 667 } 668 return EINVAL; 669} 670 671static int 672ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, 673 int flags, driver_intr_t *intr, void *arg, 674 void **cookiep) 675{ 676 if (ATA_MASTERDEV(dev)) { 677#ifdef __alpha__ 678 return alpha_platform_setup_ide_intr(child, irq, intr, arg, cookiep); 679#else 680 return BUS_SETUP_INTR(device_get_parent(dev), child, irq, 681 flags, intr, arg, cookiep); 682#endif 683 } 684 else 685 return BUS_SETUP_INTR(device_get_parent(dev), dev, irq, 686 flags, intr, arg, cookiep); 687} 688 689static int 690ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, 691 void *cookie) 692{ 693 if (ATA_MASTERDEV(dev)) { 694#ifdef __alpha__ 695 return alpha_platform_teardown_ide_intr(child, irq, cookie); 696#else 697 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); 698#endif 699 } 700 else 701 return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie); 702} 703 704static device_method_t ata_pci_methods[] = { 705 /* device interface */ 706 DEVMETHOD(device_probe, ata_pci_probe), 707 DEVMETHOD(device_attach, ata_pci_attach), 708 DEVMETHOD(device_shutdown, bus_generic_shutdown), 709 DEVMETHOD(device_suspend, bus_generic_suspend), 710 DEVMETHOD(device_resume, bus_generic_resume), 711 712 /* bus methods */ 713 DEVMETHOD(bus_print_child, ata_pci_print_child), 714 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), 715 DEVMETHOD(bus_release_resource, ata_pci_release_resource), 716 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 717 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 718 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), 719 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), 720 { 0, 0 } 721}; 722 723static driver_t ata_pci_driver = { 724 "atapci", 725 ata_pci_methods, 726 sizeof(struct ata_pci_softc), 727}; 728 729DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0); 730 731static int 732ata_pcisub_probe(device_t dev) 733{ 734 struct ata_softc *scp = device_get_softc(dev); 735 device_t *list; 736 int count, i; 737 738 /* find channel number on this controller */ 739 device_get_children(device_get_parent(dev), &list, &count); 740 for (i = 0; i < count; i++) { 741 if (list[i] == dev) 742 scp->channel = i; 743 } 744 745 scp->chiptype = pci_get_devid(device_get_parent(dev)); 746 747 return ata_probe(dev); 748} 749 750static device_method_t ata_pcisub_methods[] = { 751 /* device interface */ 752 DEVMETHOD(device_probe, ata_pcisub_probe), 753 DEVMETHOD(device_attach, ata_attach), 754 DEVMETHOD(device_detach, ata_detach), 755 DEVMETHOD(device_resume, ata_resume), 756 { 0, 0 } 757}; 758 759static driver_t ata_pcisub_driver = { 760 "ata", 761 ata_pcisub_methods, 762 sizeof(struct ata_softc), 763}; 764 765DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0); 766#endif 767 768static int 769ata_testregs(struct ata_softc *scp) 770{ 771 outb(scp->ioaddr + ATA_ERROR, 0x58); 772 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5); 773 return (inb(scp->ioaddr + ATA_ERROR) != 0x58 && 774 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5); 775} 776 777static int 778ata_probe(device_t dev) 779{ 780 struct ata_softc *scp = device_get_softc(dev); 781 struct resource *io = 0; 782 struct resource *altio = 0; 783 struct resource *bmio = 0; 784 int rid; 785 u_int32_t ioaddr, altioaddr, bmaddr; 786 int mask = 0; 787 u_int8_t status0, status1; 788 789 if (!scp || scp->flags & ATA_ATTACHED) 790 return ENXIO; 791 792 /* initialize the softc basics */ 793 scp->active = ATA_IDLE; 794 scp->dev = dev; 795 scp->devices = 0; 796 797 rid = ATA_IOADDR_RID; 798 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 799 ATA_IOSIZE, RF_ACTIVE); 800 if (!io) 801 goto failure; 802 ioaddr = rman_get_start(io); 803 804 rid = ATA_ALTADDR_RID; 805 altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 806 ATA_ALTIOSIZE, RF_ACTIVE); 807 if (altio) { 808 if (scp->flags & ATA_USE_16BIT || ATA_MASTERDEV(device_get_parent(dev))) 809 altioaddr = rman_get_start(altio); 810 else 811 altioaddr = rman_get_start(altio) + 0x02; 812 } 813 else 814 altioaddr = ioaddr + ATA_PCCARD_ALTOFFSET; 815 816 rid = ATA_BMADDR_RID; 817 bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 818 bmaddr = bmio ? rman_get_start(bmio) : 0; 819 820 /* store the IO resources for eventual later release */ 821 scp->r_io = io; 822 scp->r_altio = altio; 823 scp->r_bmio = bmio; 824 825 /* store the physical IO addresse for easy access */ 826 scp->ioaddr = ioaddr; 827 scp->altioaddr = altioaddr; 828 scp->bmaddr = bmaddr; 829 830 if (bootverbose) 831 ata_printf(scp, -1, "iobase=0x%04x altiobase=0x%04x bmaddr=0x%04x\n", 832 scp->ioaddr, scp->altioaddr, scp->bmaddr); 833 834 /* do we have any signs of ATA/ATAPI HW being present ? */ 835 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); 836 DELAY(1); 837 status0 = inb(scp->ioaddr + ATA_STATUS); 838 if ((status0 & 0xf8) != 0xf8 && status0 != 0xa5 && ata_testregs(scp)) 839 mask |= 0x01; 840 841 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE); 842 DELAY(1); 843 status1 = inb(scp->ioaddr + ATA_STATUS); 844 if ((status1 & 0xf8) != 0xf8 && status1 != 0xa5 && ata_testregs(scp)) 845 mask |= 0x02; 846 847 if (bootverbose) 848 ata_printf(scp, -1, "mask=%02x status0=%02x status1=%02x\n", 849 mask, status0, status1); 850 if (!mask) 851 goto failure; 852 853 ata_reset(scp, &mask); 854 855 if (bootverbose) 856 ata_printf(scp, -1, "devices = 0x%x\n", scp->devices); 857 858 if (!mask) 859 goto failure; 860 861 TAILQ_INIT(&scp->ata_queue); 862 TAILQ_INIT(&scp->atapi_queue); 863 return 0; 864 865failure: 866 if (io) 867 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 868 if (altio) 869 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, altio); 870 if (bmio) 871 bus_release_resource(dev, SYS_RES_IOPORT, ATA_BMADDR_RID, bmio); 872 if (bootverbose) 873 ata_printf(scp, -1, "probe allocation failed\n"); 874 return ENXIO; 875} 876 877static int 878ata_attach(device_t dev) 879{ 880 struct ata_softc *scp = device_get_softc(dev); 881 int error, rid = 0; 882 883 if (!scp || scp->flags & ATA_ATTACHED) 884 return ENXIO; 885 886 scp->r_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 887 RF_SHAREABLE | RF_ACTIVE); 888 if (!scp->r_irq) { 889 ata_printf(scp, -1, "unable to allocate interrupt\n"); 890 return ENXIO; 891 } 892 if ((error = bus_setup_intr(dev, scp->r_irq, INTR_TYPE_BIO, ata_intr, 893 scp, &scp->ih))) 894 return error; 895 896 /* 897 * do not attach devices if we are in early boot, this is done later 898 * when interrupts are enabled by a hook into the boot process. 899 * otherwise attach what the probe has found in scp->devices. 900 */ 901 if (!ata_delayed_attach) { 902 if (scp->devices & ATA_ATA_SLAVE) 903 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATA_IDENTIFY)) 904 scp->devices &= ~ATA_ATA_SLAVE; 905 if (scp->devices & ATA_ATAPI_SLAVE) 906 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATAPI_IDENTIFY)) 907 scp->devices &= ~ATA_ATAPI_SLAVE; 908 if (scp->devices & ATA_ATA_MASTER) 909 if (ata_getparam(scp, ATA_MASTER, ATA_C_ATA_IDENTIFY)) 910 scp->devices &= ~ATA_ATA_MASTER; 911 if (scp->devices & ATA_ATAPI_MASTER) 912 if (ata_getparam(scp, ATA_MASTER,ATA_C_ATAPI_IDENTIFY)) 913 scp->devices &= ~ATA_ATAPI_MASTER; 914#if NATADISK > 0 915 if (scp->devices & ATA_ATA_MASTER) 916 ad_attach(scp, ATA_MASTER); 917 if (scp->devices & ATA_ATA_SLAVE) 918 ad_attach(scp, ATA_SLAVE); 919#endif 920#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 921 if (scp->devices & ATA_ATAPI_MASTER) 922 atapi_attach(scp, ATA_MASTER); 923 if (scp->devices & ATA_ATAPI_SLAVE) 924 atapi_attach(scp, ATA_SLAVE); 925#endif 926 } 927 scp->flags |= ATA_ATTACHED; 928 return 0; 929} 930 931static int 932ata_detach(device_t dev) 933{ 934 struct ata_softc *scp = device_get_softc(dev); 935 936 if (!scp || !(scp->flags & ATA_ATTACHED)) 937 return ENXIO; 938 939#if NATADISK > 0 940 if (scp->devices & ATA_ATA_MASTER) 941 ad_detach(scp->dev_softc[0]); 942 if (scp->devices & ATA_ATA_SLAVE) 943 ad_detach(scp->dev_softc[1]); 944#endif 945#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 946 if (scp->devices & ATA_ATAPI_MASTER) 947 atapi_detach(scp->dev_softc[0]); 948 if (scp->devices & ATA_ATAPI_SLAVE) 949 atapi_detach(scp->dev_softc[1]); 950#endif 951 if (scp->dev_param[ATA_DEV(ATA_MASTER)]) { 952 free(scp->dev_param[ATA_DEV(ATA_MASTER)], M_ATA); 953 scp->dev_param[ATA_DEV(ATA_MASTER)] = NULL; 954 } 955 if (scp->dev_param[ATA_DEV(ATA_SLAVE)]) { 956 free(scp->dev_param[ATA_DEV(ATA_SLAVE)], M_ATA); 957 scp->dev_param[ATA_DEV(ATA_SLAVE)] = NULL; 958 } 959 scp->dev_softc[ATA_DEV(ATA_MASTER)] = NULL; 960 scp->dev_softc[ATA_DEV(ATA_SLAVE)] = NULL; 961 scp->mode[ATA_DEV(ATA_MASTER)] = ATA_PIO; 962 scp->mode[ATA_DEV(ATA_SLAVE)] = ATA_PIO; 963 bus_teardown_intr(dev, scp->r_irq, scp->ih); 964 bus_release_resource(dev, SYS_RES_IRQ, 0, scp->r_irq); 965 if (scp->r_bmio) 966 bus_release_resource(dev, SYS_RES_IOPORT, ATA_BMADDR_RID, scp->r_bmio); 967 if (scp->r_altio) 968 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,scp->r_altio); 969 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, scp->r_io); 970 scp->flags &= ~ATA_ATTACHED; 971 return 0; 972} 973 974static int 975ata_resume(device_t dev) 976{ 977 struct ata_softc *scp = device_get_softc(dev); 978 979 ata_reinit(scp); 980 return 0; 981} 982 983static int 984ata_getparam(struct ata_softc *scp, int device, u_int8_t command) 985{ 986 struct ata_params *ata_parm; 987 int8_t buffer[DEV_BSIZE]; 988 int retry = 0; 989 990 /* select drive */ 991 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); 992 DELAY(1); 993 994 /* enable interrupt */ 995 outb(scp->altioaddr, ATA_A_4BIT); 996 DELAY(1); 997 998 /* apparently some devices needs this repeated */ 999 do { 1000 if (ata_command(scp, device, command, 0, 0, 0, 0, 0, ATA_WAIT_INTR)) { 1001 ata_printf(scp, device, "identify failed\n"); 1002 return -1; 1003 } 1004 if (retry++ > 4) { 1005 ata_printf(scp, device, "identify retries exceeded\n"); 1006 return -1; 1007 } 1008 } while (ata_wait(scp, device, 1009 ((command == ATA_C_ATAPI_IDENTIFY) ? 1010 ATA_S_DRQ : (ATA_S_READY | ATA_S_DSC | ATA_S_DRQ)))); 1011 1012 insw(scp->ioaddr + ATA_DATA, buffer, sizeof(buffer)/sizeof(int16_t)); 1013 ata_parm = malloc(sizeof(struct ata_params), M_ATA, M_NOWAIT); 1014 if (!ata_parm) { 1015 ata_printf(scp, device, "malloc for identify data failed\n"); 1016 return -1; 1017 } 1018 bcopy(buffer, ata_parm, sizeof(struct ata_params)); 1019 if (command == ATA_C_ATA_IDENTIFY || 1020 !((ata_parm->model[0] == 'N' && ata_parm->model[1] == 'E') || 1021 (ata_parm->model[0] == 'F' && ata_parm->model[1] == 'X'))) 1022 bswap(ata_parm->model, sizeof(ata_parm->model)); 1023 btrim(ata_parm->model, sizeof(ata_parm->model)); 1024 bpack(ata_parm->model, ata_parm->model, sizeof(ata_parm->model)); 1025 bswap(ata_parm->revision, sizeof(ata_parm->revision)); 1026 btrim(ata_parm->revision, sizeof(ata_parm->revision)); 1027 bpack(ata_parm->revision, ata_parm->revision, sizeof(ata_parm->revision)); 1028 scp->dev_param[ATA_DEV(device)] = ata_parm; 1029 return 0; 1030} 1031 1032static void 1033ata_boot_attach(void) 1034{ 1035 struct ata_softc *scp; 1036 int ctlr; 1037 1038 /* 1039 * run through all ata devices and look for real ATA & ATAPI devices 1040 * using the hints we found in the early probe, this avoids some of 1041 * the delays probing of non-exsistent devices can cause. 1042 */ 1043 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1044 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1045 continue; 1046 if (scp->devices & ATA_ATA_SLAVE) 1047 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATA_IDENTIFY)) 1048 scp->devices &= ~ATA_ATA_SLAVE; 1049 if (scp->devices & ATA_ATAPI_SLAVE) 1050 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATAPI_IDENTIFY)) 1051 scp->devices &= ~ATA_ATAPI_SLAVE; 1052 if (scp->devices & ATA_ATA_MASTER) 1053 if (ata_getparam(scp, ATA_MASTER, ATA_C_ATA_IDENTIFY)) 1054 scp->devices &= ~ATA_ATA_MASTER; 1055 if (scp->devices & ATA_ATAPI_MASTER) 1056 if (ata_getparam(scp, ATA_MASTER,ATA_C_ATAPI_IDENTIFY)) 1057 scp->devices &= ~ATA_ATAPI_MASTER; 1058 } 1059 1060#if NATADISK > 0 1061 /* now we know whats there, do the real attach, first the ATA disks */ 1062 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1063 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1064 continue; 1065 if (scp->devices & ATA_ATA_MASTER) 1066 ad_attach(scp, ATA_MASTER); 1067 if (scp->devices & ATA_ATA_SLAVE) 1068 ad_attach(scp, ATA_SLAVE); 1069 } 1070#endif 1071#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1072 /* then the atapi devices */ 1073 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1074 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1075 continue; 1076 if (scp->devices & ATA_ATAPI_MASTER) 1077 atapi_attach(scp, ATA_MASTER); 1078 if (scp->devices & ATA_ATAPI_SLAVE) 1079 atapi_attach(scp, ATA_SLAVE); 1080 } 1081#endif 1082 if (ata_delayed_attach) { 1083 config_intrhook_disestablish(ata_delayed_attach); 1084 free(ata_delayed_attach, M_ATA); 1085 ata_delayed_attach = NULL; 1086 } 1087} 1088 1089static void 1090ata_intr(void *data) 1091{ 1092 struct ata_softc *scp = (struct ata_softc *)data; 1093 struct ata_pci_softc *sc = device_get_softc(device_get_parent(scp->dev)); 1094 u_int8_t dmastat = 0; 1095 1096 /* 1097 * since we might share the IRQ with another device, and in some 1098 * cases with our twin channel, we only want to process interrupts 1099 * that we know this channel generated. 1100 */ 1101 switch (scp->chiptype) { 1102#if NPCI > 0 1103 case 0x00041103: /* HighPoint HPT366/368/370 */ 1104 if (((dmastat = ata_dmastatus(scp)) & 1105 (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT) 1106 return; 1107 outb(scp->bmaddr + ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT); 1108 break; 1109 1110 case 0x06481095: /* CMD 648 */ 1111 case 0x06491095: /* CMD 649 */ 1112 if (!(pci_read_config(device_get_parent(scp->dev), 0x71, 1) & 1113 (scp->channel ? 0x08 : 0x04))) 1114 return; 1115 goto out; 1116 1117 case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */ 1118 case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */ 1119 case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */ 1120 case 0x0d30105a: /* Promise OEM ATA100 */ 1121 if (!(inl(rman_get_start(sc->bmio) + 0x1c) & 1122 (scp->channel ? 0x00004000 : 0x00000400))) 1123 return; 1124 /* FALLTHROUGH */ 1125out: 1126#endif 1127 default: 1128 if (scp->flags & ATA_DMA_ACTIVE) { 1129 if (!((dmastat = ata_dmastatus(scp)) & ATA_BMSTAT_INTERRUPT)) 1130 return; 1131 outb(scp->bmaddr + ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT); 1132 } 1133 } 1134 DELAY(1); 1135 1136 /* if drive is busy it didn't interrupt */ 1137 if (inb(scp->altioaddr) & ATA_S_BUSY) 1138 return; 1139 1140 /* clear interrupt and get status */ 1141 scp->status = inb(scp->ioaddr + ATA_STATUS); 1142 1143 if (scp->status & ATA_S_ERROR) 1144 scp->error = inb(scp->ioaddr + ATA_ERROR); 1145 1146 /* find & call the responsible driver to process this interrupt */ 1147 switch (scp->active) { 1148#if NATADISK > 0 1149 case ATA_ACTIVE_ATA: 1150 if (!scp->running || ad_interrupt(scp->running) == ATA_OP_CONTINUES) 1151 return; 1152 break; 1153#endif 1154#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1155 case ATA_ACTIVE_ATAPI: 1156 if (!scp->running || atapi_interrupt(scp->running) == ATA_OP_CONTINUES) 1157 return; 1158 break; 1159#endif 1160 case ATA_WAIT_INTR: 1161 wakeup((caddr_t)scp); 1162 break; 1163 1164 case ATA_WAIT_READY: 1165 break; 1166 1167 case ATA_REINITING: 1168 return; 1169 1170 case ATA_IDLE: 1171 if (scp->flags & ATA_QUEUED) { 1172 scp->active = ATA_ACTIVE; 1173 if (ata_service(scp) == ATA_OP_CONTINUES) 1174 return; 1175 } 1176 /* FALLTHROUGH */ 1177 1178 default: 1179#ifdef ATA_DEBUG 1180 { 1181 static int intr_count = 0; 1182 1183 if (intr_count++ < 10) 1184 ata_printf(scp, -1, "unwanted interrupt %d status = %02x\n", 1185 intr_count, scp->status); 1186 } 1187#endif 1188 } 1189 scp->active = ATA_IDLE; 1190 scp->running = NULL; 1191 ata_start(scp); 1192 return; 1193} 1194 1195void 1196ata_start(struct ata_softc *scp) 1197{ 1198#if NATADISK > 0 1199 struct ad_request *ad_request; 1200#endif 1201#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1202 struct atapi_request *atapi_request; 1203#endif 1204 1205 if (scp->active != ATA_IDLE) 1206 return; 1207 1208 scp->active = ATA_ACTIVE; 1209 1210#if NATADISK > 0 1211 /* find & call the responsible driver if anything on the ATA queue */ 1212 if (TAILQ_EMPTY(&scp->ata_queue)) { 1213 if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0]) 1214 ad_start((struct ad_softc *)scp->dev_softc[0]); 1215 if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1]) 1216 ad_start((struct ad_softc *)scp->dev_softc[1]); 1217 } 1218 if ((ad_request = TAILQ_FIRST(&scp->ata_queue))) { 1219 TAILQ_REMOVE(&scp->ata_queue, ad_request, chain); 1220 scp->active = ATA_ACTIVE_ATA; 1221 scp->running = ad_request; 1222 if (ad_transfer(ad_request) == ATA_OP_CONTINUES) 1223 return; 1224 } 1225 1226#endif 1227#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1228 /* find & call the responsible driver if anything on the ATAPI queue */ 1229 if (TAILQ_EMPTY(&scp->atapi_queue)) { 1230 if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0]) 1231 atapi_start((struct atapi_softc *)scp->dev_softc[0]); 1232 if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1]) 1233 atapi_start((struct atapi_softc *)scp->dev_softc[1]); 1234 } 1235 if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) { 1236 TAILQ_REMOVE(&scp->atapi_queue, atapi_request, chain); 1237 scp->active = ATA_ACTIVE_ATAPI; 1238 scp->running = atapi_request; 1239 atapi_transfer(atapi_request); 1240 return; 1241 } 1242#endif 1243 scp->active = ATA_IDLE; 1244} 1245 1246void 1247ata_reset(struct ata_softc *scp, int *mask) 1248{ 1249 int timeout; 1250 u_int8_t status0 = ATA_S_BUSY, status1 = ATA_S_BUSY; 1251 1252 /* reset channel */ 1253 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); 1254 DELAY(1); 1255 inb(scp->ioaddr + ATA_STATUS); 1256 outb(scp->altioaddr, ATA_A_IDS | ATA_A_RESET); 1257 DELAY(100000); 1258 outb(scp->altioaddr, ATA_A_IDS); 1259 DELAY(10000); 1260 inb(scp->ioaddr + ATA_ERROR); 1261 DELAY(3000); 1262 scp->devices = 0; 1263 1264 /* in some setups we dont want to test for a slave */ 1265 if (scp->flags & ATA_NO_SLAVE) 1266 *mask &= ~0x02; 1267 1268 /* wait for BUSY to go inactive */ 1269 for (timeout = 0; timeout < 310000; timeout++) { 1270 if (status0 & ATA_S_BUSY) { 1271 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); 1272 DELAY(1); 1273 status0 = inb(scp->ioaddr + ATA_STATUS); 1274 if (!(status0 & ATA_S_BUSY)) { 1275 /* check for ATAPI signature while its still there */ 1276 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB && 1277 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) 1278 scp->devices |= ATA_ATAPI_MASTER; 1279 } 1280 } 1281 if (status1 & ATA_S_BUSY) { 1282 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE); 1283 DELAY(1); 1284 status1 = inb(scp->ioaddr + ATA_STATUS); 1285 if (!(status1 & ATA_S_BUSY)) { 1286 /* check for ATAPI signature while its still there */ 1287 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB && 1288 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) 1289 scp->devices |= ATA_ATAPI_SLAVE; 1290 } 1291 } 1292 if (*mask == 0x01) /* wait for master only */ 1293 if (!(status0 & ATA_S_BUSY)) 1294 break; 1295 if (*mask == 0x02) /* wait for slave only */ 1296 if (!(status1 & ATA_S_BUSY)) 1297 break; 1298 if (*mask == 0x03) /* wait for both master & slave */ 1299 if (!(status0 & ATA_S_BUSY) && !(status1 & ATA_S_BUSY)) 1300 break; 1301 DELAY(100); 1302 } 1303 DELAY(1); 1304 outb(scp->altioaddr, ATA_A_4BIT); 1305 1306 if (status0 & ATA_S_BUSY) 1307 *mask &= ~0x01; 1308 if (status1 & ATA_S_BUSY) 1309 *mask &= ~0x02; 1310 if (bootverbose) 1311 ata_printf(scp, -1, "mask=%02x status0=%02x status1=%02x\n", 1312 *mask, status0, status1); 1313 if (!mask) 1314 return; 1315 1316 if (status0 != 0x00 && !(scp->devices & ATA_ATAPI_MASTER)) { 1317 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER)); 1318 DELAY(1); 1319 if (ata_testregs(scp)) 1320 scp->devices |= ATA_ATA_MASTER; 1321 } 1322 if (status1 != 0x00 && !(scp->devices & ATA_ATAPI_SLAVE)) { 1323 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE)); 1324 DELAY(1); 1325 if (ata_testregs(scp)) 1326 scp->devices |= ATA_ATA_SLAVE; 1327 } 1328} 1329 1330int 1331ata_reinit(struct ata_softc *scp) 1332{ 1333 int mask = 0, omask; 1334 1335 scp->active = ATA_REINITING; 1336 scp->running = NULL; 1337 if (scp->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) 1338 mask |= 0x01; 1339 if (scp->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) 1340 mask |= 0x02; 1341 if (mask) { 1342 omask = mask; 1343 ata_printf(scp, -1, "resetting devices .. "); 1344 ata_reset(scp, &mask); 1345 if (omask != mask) 1346 printf(" device dissapeared! %d ", omask & ~mask); 1347 1348#if NATADISK > 0 1349 if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0]) 1350 ad_reinit((struct ad_softc *)scp->dev_softc[0]); 1351 if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1]) 1352 ad_reinit((struct ad_softc *)scp->dev_softc[1]); 1353#endif 1354#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1355 if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0]) 1356 atapi_reinit((struct atapi_softc *)scp->dev_softc[0]); 1357 if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1]) 1358 atapi_reinit((struct atapi_softc *)scp->dev_softc[1]); 1359#endif 1360 printf("done\n"); 1361 } 1362 scp->active = ATA_IDLE; 1363 ata_start(scp); 1364 return 0; 1365} 1366 1367static int 1368ata_service(struct ata_softc *scp) 1369{ 1370 /* do we have a SERVICE request from the drive ? */ 1371 if ((scp->status & (ATA_S_SERVICE|ATA_S_ERROR|ATA_S_DRQ)) == ATA_S_SERVICE){ 1372 outb(scp->bmaddr + ATA_BMSTAT_PORT, ata_dmastatus(scp) | ATA_BMSTAT_INTERRUPT); 1373#if NATADISK > 0 1374 if ((inb(scp->ioaddr + ATA_DRIVE) & ATA_SLAVE) == ATA_MASTER) { 1375 if ((scp->devices & ATA_ATA_MASTER) && scp->dev_softc[0]) 1376 return ad_service((struct ad_softc *)scp->dev_softc[0], 0); 1377 } 1378 else { 1379 if ((scp->devices & ATA_ATA_SLAVE) && scp->dev_softc[1]) 1380 return ad_service((struct ad_softc *)scp->dev_softc[1], 0); 1381 } 1382#endif 1383 } 1384 return ATA_OP_FINISHED; 1385} 1386 1387int 1388ata_wait(struct ata_softc *scp, int device, u_int8_t mask) 1389{ 1390 int timeout = 0; 1391 int statio = scp->ioaddr + ATA_STATUS; 1392 1393 DELAY(1); 1394 while (timeout < 5000000) { /* timeout 5 secs */ 1395 scp->status = inb(statio); 1396 1397 /* if drive fails status, reselect the drive just to be sure */ 1398 if (scp->status == 0xff) { 1399 ata_printf(scp, device, "no status, reselecting device\n"); 1400 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); 1401 DELAY(1); 1402 scp->status = inb(statio); 1403 } 1404 1405 /* are we done ? */ 1406 if (!(scp->status & ATA_S_BUSY)) 1407 break; 1408 1409 if (timeout > 1000) { 1410 timeout += 1000; 1411 DELAY(1000); 1412 } 1413 else { 1414 timeout += 10; 1415 DELAY(10); 1416 } 1417 } 1418 if (scp->status & ATA_S_ERROR) 1419 scp->error = inb(scp->ioaddr + ATA_ERROR); 1420 if (timeout >= 5000000) 1421 return -1; 1422 if (!mask) 1423 return (scp->status & ATA_S_ERROR); 1424 1425 /* Wait 50 msec for bits wanted. */ 1426 timeout = 5000; 1427 while (timeout--) { 1428 scp->status = inb(statio); 1429 if ((scp->status & mask) == mask) { 1430 if (scp->status & ATA_S_ERROR) 1431 scp->error = inb(scp->ioaddr + ATA_ERROR); 1432 return (scp->status & ATA_S_ERROR); 1433 } 1434 DELAY (10); 1435 } 1436 return -1; 1437} 1438 1439int 1440ata_command(struct ata_softc *scp, int device, u_int8_t command, 1441 u_int16_t cylinder, u_int8_t head, u_int8_t sector, 1442 u_int8_t count, u_int8_t feature, int flags) 1443{ 1444 int error = 0; 1445#ifdef ATA_DEBUG 1446 ata_printf(scp, device, "ata_command: addr=%04x, cmd=%02x, " 1447 "c=%d, h=%d, s=%d, count=%d, feature=%d, flags=%02x\n", 1448 scp->ioaddr, command, cylinder, head, sector, 1449 count, feature, flags); 1450#endif 1451 1452 /* disable interrupt from device */ 1453 if (scp->flags & ATA_QUEUED) 1454 outb(scp->altioaddr, ATA_A_IDS | ATA_A_4BIT); 1455 1456 /* select device */ 1457 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); 1458 1459 /* ready to issue command ? */ 1460 if (ata_wait(scp, device, 0) < 0) { 1461 ata_printf(scp, device, 1462 "timeout waiting to give command=%02x s=%02x e=%02x\n", 1463 command, scp->status, scp->error); 1464 return -1; 1465 } 1466 1467 outb(scp->ioaddr + ATA_FEATURE, feature); 1468 outb(scp->ioaddr + ATA_COUNT, count); 1469 outb(scp->ioaddr + ATA_SECTOR, sector); 1470 outb(scp->ioaddr + ATA_CYL_MSB, cylinder >> 8); 1471 outb(scp->ioaddr + ATA_CYL_LSB, cylinder); 1472 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device | head); 1473 1474 switch (flags) { 1475 case ATA_WAIT_INTR: 1476 scp->active = ATA_WAIT_INTR; 1477 asleep((caddr_t)scp, PRIBIO, "atacmd", 10 * hz); 1478 outb(scp->ioaddr + ATA_CMD, command); 1479 1480 /* enable interrupt */ 1481 if (scp->flags & ATA_QUEUED) 1482 outb(scp->altioaddr, ATA_A_4BIT); 1483 1484 if (await(PRIBIO, 10 * hz)) { 1485 ata_printf(scp, device, "ata_command: timeout waiting for intr\n"); 1486 scp->active = ATA_IDLE; 1487 error = -1; 1488 } 1489 break; 1490 1491 case ATA_WAIT_READY: 1492 if (scp->active != ATA_REINITING) 1493 scp->active = ATA_WAIT_READY; 1494 outb(scp->ioaddr + ATA_CMD, command); 1495 if (ata_wait(scp, device, ATA_S_READY) < 0) { 1496 ata_printf(scp, device, 1497 "timeout waiting for command=%02x s=%02x e=%02x\n", 1498 command, scp->status, scp->error); 1499 error = -1; 1500 } 1501 if (scp->active != ATA_REINITING) 1502 scp->active = ATA_IDLE; 1503 break; 1504 1505 case ATA_IMMEDIATE: 1506 outb(scp->ioaddr + ATA_CMD, command); 1507 break; 1508 1509 default: 1510 ata_printf(scp, device, "DANGER: illegal interrupt flag=%s\n", 1511 active2str(flags)); 1512 } 1513 /* enable interrupt */ 1514 if (scp->flags & ATA_QUEUED) 1515 outb(scp->altioaddr, ATA_A_4BIT); 1516 return error; 1517} 1518 1519int 1520ata_get_lun(u_int32_t *map) 1521{ 1522 int lun = ffs(~*map) - 1; 1523 1524 *map |= (1 << lun); 1525 return lun; 1526} 1527 1528void 1529ata_free_lun(u_int32_t *map, int lun) 1530{ 1531 *map &= ~(1 << lun); 1532} 1533 1534int 1535ata_printf(struct ata_softc *scp, int device, const char * fmt, ...) 1536{ 1537 va_list ap; 1538 int ret; 1539 1540 if (device == -1) 1541 ret = printf("ata%d: ", device_get_unit(scp->dev)); 1542 else 1543 ret = printf("ata%d-%s: ", device_get_unit(scp->dev), 1544 (device == ATA_MASTER) ? "master" : "slave"); 1545 va_start(ap, fmt); 1546 ret += vprintf(fmt, ap); 1547 va_end(ap); 1548 return ret; 1549} 1550 1551char * 1552ata_mode2str(int mode) 1553{ 1554 switch (mode) { 1555 case ATA_PIO: return "BIOSPIO"; 1556 case ATA_PIO0: return "PIO0"; 1557 case ATA_PIO1: return "PIO1"; 1558 case ATA_PIO2: return "PIO2"; 1559 case ATA_PIO3: return "PIO3"; 1560 case ATA_PIO4: return "PIO4"; 1561 case ATA_WDMA2: return "WDMA2"; 1562 case ATA_UDMA2: return "UDMA33"; 1563 case ATA_UDMA4: return "UDMA66"; 1564 case ATA_UDMA5: return "UDMA100"; 1565 case ATA_DMA: return "BIOSDMA"; 1566 default: return "???"; 1567 } 1568} 1569 1570int 1571ata_pio2mode(int pio) 1572{ 1573 switch (pio) { 1574 default: 1575 case 0: return ATA_PIO0; 1576 case 1: return ATA_PIO1; 1577 case 2: return ATA_PIO2; 1578 case 3: return ATA_PIO3; 1579 case 4: return ATA_PIO4; 1580 } 1581} 1582 1583int 1584ata_pmode(struct ata_params *ap) 1585{ 1586 if (ap->atavalid & ATA_FLAG_64_70) { 1587 if (ap->apiomodes & 2) 1588 return 4; 1589 if (ap->apiomodes & 1) 1590 return 3; 1591 } 1592 if (ap->opiomode == 2) 1593 return 2; 1594 if (ap->opiomode == 1) 1595 return 1; 1596 if (ap->opiomode == 0) 1597 return 0; 1598 return -1; 1599} 1600 1601int 1602ata_wmode(struct ata_params *ap) 1603{ 1604 if (ap->wdmamodes & 4) 1605 return 2; 1606 if (ap->wdmamodes & 2) 1607 return 1; 1608 if (ap->wdmamodes & 1) 1609 return 0; 1610 return -1; 1611} 1612 1613int 1614ata_umode(struct ata_params *ap) 1615{ 1616 if (ap->atavalid & ATA_FLAG_88) { 1617 if (ap->udmamodes & 0x20) 1618 return 5; 1619 if (ap->udmamodes & 0x10) 1620 return 4; 1621 if (ap->udmamodes & 0x08) 1622 return 3; 1623 if (ap->udmamodes & 0x04) 1624 return 2; 1625 if (ap->udmamodes & 0x02) 1626 return 1; 1627 if (ap->udmamodes & 0x01) 1628 return 0; 1629 } 1630 return -1; 1631} 1632 1633static char * 1634active2str(int active) 1635{ 1636 static char buf[8]; 1637 1638 switch (active) { 1639 case ATA_IDLE: 1640 return("ATA_IDLE"); 1641 case ATA_IMMEDIATE: 1642 return("ATA_IMMEDIATE"); 1643 case ATA_WAIT_INTR: 1644 return("ATA_WAIT_INTR"); 1645 case ATA_WAIT_READY: 1646 return("ATA_WAIT_READY"); 1647 case ATA_ACTIVE: 1648 return("ATA_ACTIVE"); 1649 case ATA_ACTIVE_ATA: 1650 return("ATA_ACTIVE_ATA"); 1651 case ATA_ACTIVE_ATAPI: 1652 return("ATA_ACTIVE_ATAPI"); 1653 case ATA_REINITING: 1654 return("ATA_REINITING"); 1655 default: 1656 sprintf(buf, "0x%02x", active); 1657 return buf; 1658 } 1659} 1660 1661static void 1662bswap(int8_t *buf, int len) 1663{ 1664 u_int16_t *ptr = (u_int16_t*)(buf + len); 1665 1666 while (--ptr >= (u_int16_t*)buf) 1667 *ptr = ntohs(*ptr); 1668} 1669 1670static void 1671btrim(int8_t *buf, int len) 1672{ 1673 int8_t *ptr; 1674 1675 for (ptr = buf; ptr < buf+len; ++ptr) 1676 if (!*ptr) 1677 *ptr = ' '; 1678 for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) 1679 *ptr = 0; 1680} 1681 1682static void 1683bpack(int8_t *src, int8_t *dst, int len) 1684{ 1685 int i, j, blank; 1686 1687 for (i = j = blank = 0 ; i < len; i++) { 1688 if (blank && src[i] == ' ') continue; 1689 if (blank && src[i] != ' ') { 1690 dst[j++] = src[i]; 1691 blank = 0; 1692 continue; 1693 } 1694 if (src[i] == ' ') { 1695 blank = 1; 1696 if (i == 0) 1697 continue; 1698 } 1699 dst[j++] = src[i]; 1700 } 1701 if (j < len) 1702 dst[j] = 0x00; 1703} 1704 1705static void 1706ata_change_mode(struct ata_softc *scp, int device, int mode) 1707{ 1708 int s = splbio(); 1709 1710 while (scp->active != ATA_IDLE) 1711 tsleep((caddr_t)&s, PRIBIO, "atachm", hz/4); 1712 scp->active = ATA_REINITING; 1713 ata_dmainit(scp, device, ata_pmode(ATA_PARAM(scp, device)), 1714 mode < ATA_DMA ? -1 : ata_wmode(ATA_PARAM(scp, device)), 1715 mode < ATA_DMA ? -1 : ata_umode(ATA_PARAM(scp, device))); 1716 scp->active = ATA_IDLE; 1717 ata_start(scp); 1718 splx(s); 1719} 1720 1721static int 1722sysctl_hw_ata(SYSCTL_HANDLER_ARGS) 1723{ 1724 struct ata_softc *scp; 1725 int ctlr, error, i; 1726 1727 /* readout internal state */ 1728 bzero(ata_conf, sizeof(ata_conf)); 1729 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1730 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1731 continue; 1732 for (i = 0; i < 2; i++) { 1733 if (!scp->dev_softc[i]) 1734 strcat(ata_conf, "---,"); 1735 else if (scp->mode[i] >= ATA_DMA) 1736 strcat(ata_conf, "dma,"); 1737 else 1738 strcat(ata_conf, "pio,"); 1739 } 1740 } 1741 error = sysctl_handle_string(oidp, ata_conf, sizeof(ata_conf), req); 1742 if (error == 0 && req->newptr != NULL) { 1743 char *ptr = ata_conf; 1744 1745 /* update internal state */ 1746 i = 0; 1747 while (*ptr) { 1748 if (!strncmp(ptr, "pio", 3) || !strncmp(ptr, "PIO", 3)) { 1749 if ((scp = devclass_get_softc(ata_devclass, i >> 1)) && 1750 scp->dev_softc[i & 1] && scp->mode[i & 1] >= ATA_DMA) 1751 ata_change_mode(scp, (i & 1)?ATA_SLAVE:ATA_MASTER, ATA_PIO); 1752 } 1753 else if (!strncmp(ptr, "dma", 3) || !strncmp(ptr, "DMA", 3)) { 1754 if ((scp = devclass_get_softc(ata_devclass, i >> 1)) && 1755 scp->dev_softc[i & 1] && scp->mode[i & 1] < ATA_DMA) 1756 ata_change_mode(scp, (i & 1)?ATA_SLAVE:ATA_MASTER, ATA_DMA); 1757 } 1758 else if (strncmp(ptr, "---", 3)) 1759 break; 1760 ptr+=3; 1761 if (*ptr++ != ',' || 1762 ++i > (devclass_get_maxunit(ata_devclass) << 1)) 1763 break; 1764 } 1765 } 1766 return error; 1767} 1768SYSCTL_PROC(_hw, OID_AUTO, atamodes, CTLTYPE_STRING | CTLFLAG_RW, 1769 0, sizeof(ata_conf), sysctl_hw_ata, "A", ""); 1770 1771static void 1772ata_init(void) 1773{ 1774 /* register boot attach to be run when interrupts are enabled */ 1775 if (!(ata_delayed_attach = (struct intr_config_hook *) 1776 malloc(sizeof(struct intr_config_hook), 1777 M_TEMP, M_NOWAIT))) { 1778 printf("ata: malloc of delayed attach hook failed\n"); 1779 return; 1780 } 1781 bzero(ata_delayed_attach, sizeof(struct intr_config_hook)); 1782 1783 ata_delayed_attach->ich_func = (void*)ata_boot_attach; 1784 if (config_intrhook_establish(ata_delayed_attach) != 0) { 1785 printf("ata: config_intrhook_establish failed\n"); 1786 free(ata_delayed_attach, M_TEMP); 1787 } 1788} 1789SYSINIT(atadev, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL) 1790