ata-all.c revision 66461
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 66461 2000-09-29 16:50:31Z dfr $ 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#include <machine/clock.h> 62#ifdef __alpha__ 63#include <machine/md_var.h> 64#endif 65#include <dev/ata/ata-all.h> 66#include <dev/ata/ata-disk.h> 67#include <dev/ata/atapi-all.h> 68 69/* misc defines */ 70#define IOMASK 0xfffffffc 71#define ATA_IOADDR_RID 0 72#define ATA_ALTADDR_RID 1 73#define ATA_BMADDR_RID 2 74 75/* prototypes */ 76static int ata_probe(device_t); 77static int ata_attach(device_t); 78static int ata_detach(device_t); 79static int ata_resume(device_t); 80static void ata_boot_attach(void); 81static void ata_intr(void *); 82static int ata_getparam(struct ata_softc *, int, u_int8_t); 83static int ata_service(struct ata_softc *); 84static char *active2str(int); 85static void bswap(int8_t *, int); 86static void btrim(int8_t *, int); 87static void bpack(int8_t *, int8_t *, int); 88 89/* local vars */ 90static devclass_t ata_devclass; 91static devclass_t ata_pci_devclass; 92static struct intr_config_hook *ata_delayed_attach = NULL; 93static char ata_conf[256]; 94MALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer"); 95 96#if NISA > 0 97static struct isa_pnp_id ata_ids[] = { 98 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ 99 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ 100 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ 101 {0x0306d041, "Generic ATA"}, /* PNP0603 */ 102 {0} 103}; 104 105static int 106ata_isa_probe(device_t dev) 107{ 108 struct ata_softc *scp = device_get_softc(dev); 109 struct resource *port; 110 int rid; 111 u_long tmp; 112 113 /* check isapnp ids */ 114 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) 115 return ENXIO; 116 117 /* allocate the port range */ 118 rid = ATA_IOADDR_RID; 119 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 120 ATA_IOSIZE, RF_ACTIVE); 121 if (!port) 122 return ENOMEM; 123 124 /* alloctate the altport range */ 125 if (bus_get_resource(dev, SYS_RES_IOPORT, 1, &tmp, &tmp)) { 126 bus_set_resource(dev, SYS_RES_IOPORT, 1, 127 rman_get_start(port) + ATA_ALTOFFSET, 128 ATA_ALTIOSIZE); 129 } 130 bus_release_resource(dev, SYS_RES_IOPORT, 0, port); 131 scp->unit = device_get_unit(dev); 132 scp->flags |= ATA_USE_16BIT; 133 return ata_probe(dev); 134} 135 136static device_method_t ata_isa_methods[] = { 137 /* device interface */ 138 DEVMETHOD(device_probe, ata_isa_probe), 139 DEVMETHOD(device_attach, ata_attach), 140 DEVMETHOD(device_resume, ata_resume), 141 { 0, 0 } 142}; 143 144static driver_t ata_isa_driver = { 145 "ata", 146 ata_isa_methods, 147 sizeof(struct ata_softc), 148}; 149 150DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); 151#endif 152 153#if NCARD > 0 154static int 155ata_pccard_probe(device_t dev) 156{ 157 struct ata_softc *scp = device_get_softc(dev); 158 struct resource *port; 159 int rid, len; 160 161 /* allocate the port range */ 162 rid = ATA_IOADDR_RID; 163 len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid); 164 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, len, RF_ACTIVE); 165 if (!port) 166 return ENOMEM; 167 168 /* 169 * if we got more than the default ATA_IOSIZE ports, this is likely 170 * a pccard system where the altio ports are located just after the 171 * normal io ports, so no need to allocate them. 172 */ 173 if (len <= ATA_IOSIZE) { 174 bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, 175 rman_get_start(port) + ATA_ALTOFFSET, ATA_ALTIOSIZE); 176 } 177 bus_release_resource(dev, SYS_RES_IOPORT, 0, port); 178 scp->unit = device_get_unit(dev); 179 scp->flags |= ATA_USE_16BIT; 180 return ata_probe(dev); 181} 182 183static device_method_t ata_pccard_methods[] = { 184 /* device interface */ 185 DEVMETHOD(device_probe, ata_pccard_probe), 186 DEVMETHOD(device_attach, ata_attach), 187 DEVMETHOD(device_detach, ata_detach), 188 { 0, 0 } 189}; 190 191static driver_t ata_pccard_driver = { 192 "ata", 193 ata_pccard_methods, 194 sizeof(struct ata_softc), 195}; 196 197DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0); 198#endif 199 200#if NPCI > 0 201struct ata_pci_softc { 202 struct resource *bmio; 203 struct resource bmio_1; 204 struct resource bmio_2; 205 struct resource *irq; 206 int irqcnt; 207}; 208 209int 210ata_find_dev(device_t dev, u_int32_t type, u_int32_t revid) 211{ 212 device_t *children, child; 213 int nchildren, i; 214 215 if (device_get_children(device_get_parent(dev), &children, &nchildren)) 216 return 0; 217 218 for (i = 0; i < nchildren; i++) { 219 child = children[i]; 220 221 /* check that it's on the same silicon and the device we want */ 222 if (pci_get_slot(dev) == pci_get_slot(child) && 223 pci_get_vendor(child) == (type & 0xffff) && 224 pci_get_device(child) == ((type & 0xffff0000) >> 16) && 225 pci_get_revid(child) >= revid) { 226 free(children, M_TEMP); 227 return 1; 228 } 229 } 230 free(children, M_TEMP); 231 return 0; 232} 233 234static const char * 235ata_pci_match(device_t dev) 236{ 237 if (pci_get_class(dev) != PCIC_STORAGE) 238 return NULL; 239 240 switch (pci_get_devid(dev)) { 241 /* supported chipsets */ 242 case 0x12308086: 243 return "Intel PIIX ATA controller"; 244 245 case 0x70108086: 246 return "Intel PIIX3 ATA controller"; 247 248 case 0x71118086: 249 case 0x71998086: 250 return "Intel PIIX4 ATA33 controller"; 251 252 case 0x24218086: 253 return "Intel ICH0 ATA33 controller"; 254 255 case 0x24118086: 256 return "Intel ICH ATA66 controller"; 257 258 case 0x244b8086: 259 return "Intel ICH2 ATA100 controller"; 260 261 case 0x522910b9: 262 return "AcerLabs Aladdin ATA33 controller"; 263 264 case 0x05711106: 265 if (ata_find_dev(dev, 0x05861106, 0)) 266 return "VIA 82C586 ATA33 controller"; 267 if (ata_find_dev(dev, 0x05961106, 0x12)) 268 return "VIA 82C596 ATA66 controller"; 269 if (ata_find_dev(dev, 0x05961106, 0)) 270 return "VIA 82C596 ATA33 controller"; 271 if (ata_find_dev(dev, 0x06861106, 0)) 272 return "VIA 82C686 ATA66 controller"; 273 return "VIA Apollo ATA controller"; 274 275 case 0x55131039: 276 return "SiS 5591 ATA33 controller"; 277 278 case 0x06461095: 279 return "CMD 646 ATA controller"; 280 281 case 0xc6931080: 282 if (pci_get_subclass(dev) == PCIS_STORAGE_IDE) 283 return "Cypress 82C693 ATA controller"; 284 break; 285 286 case 0x01021078: 287 return "Cyrix 5530 ATA33 controller"; 288 289 case 0x74091022: 290 return "AMD 756 ATA66 controller"; 291 292 case 0x4d33105a: 293 return "Promise ATA33 controller"; 294 295 case 0x4d38105a: 296 return "Promise ATA66 controller"; 297 298 case 0x0d30105a: 299 case 0x4d30105a: 300 return "Promise ATA100 controller"; 301 302 case 0x00041103: 303 switch (pci_get_revid(dev)) { 304 case 0x00: 305 case 0x01: 306 return "HighPoint HPT366 ATA66 controller"; 307 case 0x02: 308 return "HighPoint HPT368 ATA66 controller"; 309 case 0x03: 310 case 0x04: 311 return "HighPoint HPT370 ATA100 controller"; 312 default: 313 return "Unknown revision HighPoint ATA controller"; 314 } 315 316 /* unsupported but known chipsets, generic DMA only */ 317 case 0x10001042: 318 case 0x10011042: 319 return "RZ 100? ATA controller !WARNING! buggy chip data loss possible"; 320 321 case 0x06401095: 322 return "CMD 640 ATA controller !WARNING! buggy chip data loss possible"; 323 324 /* unknown chipsets, try generic DMA if it seems possible */ 325 default: 326 if (pci_get_class(dev) == PCIC_STORAGE && 327 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) 328 return "Generic PCI ATA controller"; 329 } 330 return NULL; 331} 332 333static int 334ata_pci_probe(device_t dev) 335{ 336 const char *desc = ata_pci_match(dev); 337 338 if (desc) { 339 device_set_desc(dev, desc); 340 return 0; 341 } 342 else 343 return ENXIO; 344} 345 346static int 347ata_pci_add_child(device_t dev, int unit) 348{ 349 device_t child; 350 351 /* check if this is located at one of the std addresses */ 352 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) { 353 if (!(child = device_add_child(dev, "ata", unit))) 354 return ENOMEM; 355 } 356 else { 357 if (!(child = device_add_child(dev, "ata", 2))) 358 return ENOMEM; 359 } 360 device_set_ivars(child, (void *)(uintptr_t) unit); 361 return 0; 362} 363 364static int 365ata_pci_attach(device_t dev) 366{ 367 struct ata_pci_softc *sc = device_get_softc(dev); 368 u_int8_t class, subclass; 369 u_int32_t type, cmd; 370 int rid; 371 372 /* set up vendor-specific stuff */ 373 type = pci_get_devid(dev); 374 class = pci_get_class(dev); 375 subclass = pci_get_subclass(dev); 376 cmd = pci_read_config(dev, PCIR_COMMAND, 4); 377 378 /* is this controller busmaster DMA capable ? */ 379 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) { 380 /* is busmastering support turned on ? */ 381 if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) == 382 (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) { 383 384 /* is there a valid port range to connect to ? */ 385 rid = 0x20; 386 sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 387 0, ~0, 1, RF_ACTIVE); 388 if (!sc->bmio) 389 device_printf(dev, "Busmastering DMA not configured\n"); 390 } 391 else 392 device_printf(dev, "Busmastering DMA not enabled\n"); 393 } 394 else { 395 if (type == 0x4d33105a || type == 0x4d38105a || 396 type == 0x4d30105a || type == 0x0d30105a || type == 0x00041103) { 397 /* Promise and HighPoint controllers support busmastering DMA */ 398 rid = 0x20; 399 sc->bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 400 0, ~0, 1, RF_ACTIVE); 401 } 402 else 403 /* we dont know this controller, no busmastering DMA */ 404 device_printf(dev, "Busmastering DMA not supported\n"); 405 } 406 407 /* do extra chipset specific setups */ 408 switch (type) { 409 case 0x522910b9: /* Aladdin need to activate the ATAPI FIFO */ 410 pci_write_config(dev, 0x53, 411 (pci_read_config(dev, 0x53, 1) & ~0x01) | 0x02, 1); 412 break; 413 414 case 0x4d38105a: /* Promise 66 & 100 need their clock changed */ 415 case 0x4d30105a: 416 case 0x0d30105a: 417 outb(rman_get_start(sc->bmio) + 0x11, 418 inb(rman_get_start(sc->bmio) + 0x11) | 0x0a); 419 /* FALLTHROUGH */ 420 421 case 0x4d33105a: /* Promise (all) need burst mode to be turned on */ 422 outb(rman_get_start(sc->bmio) + 0x1f, 423 inb(rman_get_start(sc->bmio) + 0x1f) | 0x01); 424 break; 425 426 case 0x00041103: /* HighPoint */ 427 switch (pci_get_revid(dev)) { 428 case 0x00: 429 case 0x01: 430 /* turn off interrupt prediction */ 431 pci_write_config(dev, 0x51, 432 (pci_read_config(dev, 0x51, 1) & ~0x80), 1); 433 break; 434 435 case 0x02: 436 case 0x03: 437 case 0x04: 438 /* turn off interrupt prediction */ 439 pci_write_config(dev, 0x51, 440 (pci_read_config(dev, 0x51, 1) & ~0x02), 1); 441 pci_write_config(dev, 0x55, 442 (pci_read_config(dev, 0x55, 1) & ~0x02), 1); 443 /* turn on interrupts */ 444 pci_write_config(dev, 0x5a, 445 (pci_read_config(dev, 0x5a, 1) & ~0x10), 1); 446 447 } 448 break; 449 450 case 0x05711106: 451 case 0x74091022: /* VIA 82C586, 82C596, 82C686 & AMD 756 default setup */ 452 /* set prefetch, postwrite */ 453 pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1); 454 455 /* set fifo configuration half'n'half */ 456 pci_write_config(dev, 0x43, 457 (pci_read_config(dev, 0x43, 1) & 0x90) | 0x2a, 1); 458 459 /* set status register read retry */ 460 pci_write_config(dev, 0x44, pci_read_config(dev, 0x44, 1) | 0x08, 1); 461 462 /* set DMA read & end-of-sector fifo flush */ 463 pci_write_config(dev, 0x46, 464 (pci_read_config(dev, 0x46, 1) & 0x0c) | 0xf0, 1); 465 466 /* set sector size */ 467 pci_write_config(dev, 0x60, DEV_BSIZE, 2); 468 pci_write_config(dev, 0x68, DEV_BSIZE, 2); 469 470 /* prepare for ATA-66 on the 82C686 and rev 0x12 and newer 82C596's */ 471 if (ata_find_dev(dev, 0x06861106, 0) || 472 ata_find_dev(dev, 0x05961106, 0x12)) { 473 pci_write_config(dev, 0x50, 474 pci_read_config(dev, 0x50, 4) | 0x070f070f, 4); 475 } 476 break; 477 } 478 479 /* 480 * the Cypress chip is a mess, it contains two ATA functions, but 481 * both channels are visible on the first one. 482 * simply ignore the second function for now, as the right 483 * solution (ignoring the second channel on the first function) 484 * doesn't work with the crappy ATA interrupt setup on the alpha. 485 */ 486 if (pci_get_devid(dev) == 0xc6931080 && pci_get_function(dev) > 1) 487 return 0; 488 489 ata_pci_add_child(dev, 0); 490 491 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV || 492 pci_read_config(dev, 0x18, 4) & IOMASK) 493 ata_pci_add_child(dev, 1); 494 495 return bus_generic_attach(dev); 496} 497 498static int 499ata_pci_print_child(device_t dev, device_t child) 500{ 501 struct ata_softc *scp = device_get_softc(child); 502 int unit = (uintptr_t) device_get_ivars(child); 503 int retval = 0; 504 505 retval += bus_print_child_header(dev, child); 506 retval += printf(": at 0x%x", scp->ioaddr); 507 508 if (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) 509 retval += printf(" irq %d", 14 + unit); 510 511 retval += bus_print_child_footer(dev, child); 512 513 return retval; 514} 515 516static struct resource * 517ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 518 u_long start, u_long end, u_long count, u_int flags) 519{ 520 struct ata_pci_softc *sc = device_get_softc(dev); 521 int masterdev = pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV; 522 int unit = (intptr_t)device_get_ivars(child); 523 int myrid; 524 525 if (type == SYS_RES_IOPORT) { 526 switch (*rid) { 527 case ATA_IOADDR_RID: 528 if (masterdev) { 529 myrid = 0; 530 start = (unit == 0 ? IO_WD1 : IO_WD2); 531 end = start + ATA_IOSIZE - 1; 532 count = ATA_IOSIZE; 533 } 534 else 535 myrid = 0x10 + 8 * unit; 536 break; 537 538 case ATA_ALTADDR_RID: 539 if (masterdev) { 540 myrid = 0; 541 start = (unit == 0 ? IO_WD1 : IO_WD2) + ATA_ALTOFFSET; 542 end = start + ATA_ALTIOSIZE - 1; 543 count = ATA_ALTIOSIZE; 544 } 545 else 546 myrid = 0x14 + 8 * unit; 547 break; 548 549 case ATA_BMADDR_RID: 550 /* the busmaster resource is shared between the two channels */ 551 if (sc->bmio) { 552 if (unit == 0) { 553 sc->bmio_1 = *sc->bmio; 554 sc->bmio_1.r_end = sc->bmio->r_start + ATA_BM_OFFSET1; 555 return &sc->bmio_1; 556 } else { 557 sc->bmio_2 = *sc->bmio; 558 sc->bmio_2.r_start = sc->bmio->r_start + ATA_BM_OFFSET1; 559 sc->bmio_2.r_end = sc->bmio_2.r_start + ATA_BM_OFFSET1; 560 return &sc->bmio_2; 561 } 562 } 563 break; 564 565 default: 566 return 0; 567 } 568 569 if (masterdev) 570 /* make the parent just pass through the allocation. */ 571 return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 572 SYS_RES_IOPORT, &myrid, 573 start, end, count, flags); 574 else 575 /* we are using the parent resource directly. */ 576 return BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 577 SYS_RES_IOPORT, &myrid, 578 start, end, count, flags); 579 } 580 581 if (type == SYS_RES_IRQ) { 582 if (*rid != 0) 583 return 0; 584 585 if (masterdev) { 586#ifdef __alpha__ 587 return alpha_platform_alloc_ide_intr(unit); 588#else 589 int irq = (unit == 0 ? 14 : 15); 590 591 return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 592 SYS_RES_IRQ, rid, 593 irq, irq, 1, flags & ~RF_SHAREABLE); 594#endif 595 } else { 596 /* primary and secondary channels share the same interrupt */ 597 sc->irqcnt++; 598 if (!sc->irq) 599 sc->irq = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 600 SYS_RES_IRQ, rid, 0, ~0, 1, flags); 601 return sc->irq; 602 } 603 } 604 return 0; 605} 606 607static int 608ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 609 struct resource *r) 610{ 611 struct ata_pci_softc *sc = device_get_softc(dev); 612 int unit = (uintptr_t) device_get_ivars(child); 613 int masterdev = pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV; 614 int myrid = 0; 615 616 if (type == SYS_RES_IOPORT) { 617 switch (rid) { 618 case ATA_IOADDR_RID: 619 if (masterdev) 620 myrid = 0; 621 else 622 myrid = 0x10 + 8 * unit; 623 break; 624 625 case ATA_ALTADDR_RID: 626 if (masterdev) 627 myrid = 0; 628 else 629 myrid = 0x14 + 8 * unit; 630 break; 631 632 case ATA_BMADDR_RID: 633 return 0; 634 635 default: 636 return ENOENT; 637 } 638 639 if (masterdev) 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 (masterdev) { 653#ifdef __alpha__ 654 return alpha_platform_release_ide_intr(unit, 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 (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) { 677#ifdef __alpha__ 678 return alpha_platform_setup_ide_intr(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 (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) { 694#ifdef __alpha__ 695 return alpha_platform_teardown_ide_intr(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); 735 736 /* kids of pci ata chipsets has their physical unit number in ivars */ 737 scp->unit = (uintptr_t) device_get_ivars(dev); 738 scp->chiptype = pci_get_devid(device_get_parent(dev)); 739 return ata_probe(dev); 740} 741 742static device_method_t ata_pcisub_methods[] = { 743 /* device interface */ 744 DEVMETHOD(device_probe, ata_pcisub_probe), 745 DEVMETHOD(device_attach, ata_attach), 746 DEVMETHOD(device_detach, ata_detach), 747 DEVMETHOD(device_resume, ata_resume), 748 { 0, 0 } 749}; 750 751static driver_t ata_pcisub_driver = { 752 "ata", 753 ata_pcisub_methods, 754 sizeof(struct ata_softc), 755}; 756 757DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0); 758#endif 759 760static int 761ata_probe(device_t dev) 762{ 763 struct ata_softc *scp = device_get_softc(dev); 764 struct resource *io = 0; 765 struct resource *altio = 0; 766 struct resource *bmio = 0; 767 int rid; 768 u_int32_t ioaddr, altioaddr, bmaddr; 769 int mask = 0; 770 u_int8_t status0, status1; 771 772 if (!scp || scp->flags & ATA_ATTACHED) 773 return ENXIO; 774 775 /* initialize the softc basics */ 776 scp->active = ATA_IDLE; 777 scp->dev = dev; 778 scp->devices = 0; 779 780 rid = ATA_IOADDR_RID; 781 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 782 ATA_IOSIZE, RF_ACTIVE); 783 if (!io) 784 goto failure; 785 ioaddr = rman_get_start(io); 786 787 rid = ATA_ALTADDR_RID; 788 altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 789 ATA_ALTIOSIZE, RF_ACTIVE); 790 if (altio) { 791 if (pci_get_progif(device_get_parent(dev)) & PCIP_STORAGE_IDE_MASTERDEV) 792 altioaddr = rman_get_start(altio); 793 else 794 altioaddr = rman_get_start(altio) + 0x02; 795 } 796 else 797 altioaddr = ioaddr + ATA_IOSIZE; 798 799 rid = ATA_BMADDR_RID; 800 bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 801 bmaddr = bmio ? rman_get_start(bmio) : 0; 802 803 /* store the IO resources for eventual later release */ 804 scp->r_io = io; 805 scp->r_altio = altio; 806 scp->r_bmio = bmio; 807 808 /* store the physical IO addresse for easy access */ 809 scp->ioaddr = ioaddr; 810 scp->altioaddr = altioaddr; 811 scp->bmaddr = bmaddr; 812 813 if (bootverbose) 814 ata_printf(scp, -1, "iobase=0x%04x altiobase=0x%04x bmaddr=0x%04x\n", 815 scp->ioaddr, scp->altioaddr, scp->bmaddr); 816 817 /* do we have any signs of ATA/ATAPI HW being present ? */ 818 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); 819 DELAY(1); 820 status0 = inb(scp->ioaddr + ATA_STATUS); 821 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE); 822 DELAY(1); 823 status1 = inb(scp->ioaddr + ATA_STATUS); 824 if ((status0 & 0xf8) != 0xf8 && status0 != 0xa5) 825 mask |= 0x01; 826 if ((status1 & 0xf8) != 0xf8 && status1 != 0xa5) 827 mask |= 0x02; 828 if (bootverbose) 829 ata_printf(scp, -1, "mask=%02x status0=%02x status1=%02x\n", 830 mask, status0, status1); 831 if (!mask) 832 goto failure; 833 834 ata_reset(scp, &mask); 835 836 if (bootverbose) 837 ata_printf(scp, -1, "devices = 0x%x\n", scp->devices); 838 839 if (!mask) 840 goto failure; 841 842 TAILQ_INIT(&scp->ata_queue); 843 TAILQ_INIT(&scp->atapi_queue); 844 return 0; 845 846failure: 847 if (io) 848 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 849 if (altio) 850 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, altio); 851 if (bmio) 852 bus_release_resource(dev, SYS_RES_IOPORT, ATA_BMADDR_RID, bmio); 853 if (bootverbose) 854 ata_printf(scp, -1, "probe allocation failed\n"); 855 return ENXIO; 856} 857 858static int 859ata_attach(device_t dev) 860{ 861 struct ata_softc *scp = device_get_softc(dev); 862 int error, rid = 0; 863 864 if (!scp || scp->flags & ATA_ATTACHED) 865 return ENXIO; 866 867 scp->r_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 868 RF_SHAREABLE | RF_ACTIVE); 869 if (!scp->r_irq) { 870 ata_printf(scp, -1, "unable to allocate interrupt\n"); 871 return ENXIO; 872 } 873 if ((error = bus_setup_intr(dev, scp->r_irq, INTR_TYPE_BIO, ata_intr, 874 scp, &scp->ih))) 875 return error; 876 877 /* 878 * do not attach devices if we are in early boot, this is done later 879 * when interrupts are enabled by a hook into the boot process. 880 * otherwise attach what the probe has found in scp->devices. 881 */ 882 if (!ata_delayed_attach) { 883 if (scp->devices & ATA_ATA_SLAVE) 884 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATA_IDENTIFY)) 885 scp->devices &= ~ATA_ATA_SLAVE; 886 if (scp->devices & ATA_ATAPI_SLAVE) 887 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATAPI_IDENTIFY)) 888 scp->devices &= ~ATA_ATAPI_SLAVE; 889 if (scp->devices & ATA_ATA_MASTER) 890 if (ata_getparam(scp, ATA_MASTER, ATA_C_ATA_IDENTIFY)) 891 scp->devices &= ~ATA_ATA_MASTER; 892 if (scp->devices & ATA_ATAPI_MASTER) 893 if (ata_getparam(scp, ATA_MASTER,ATA_C_ATAPI_IDENTIFY)) 894 scp->devices &= ~ATA_ATAPI_MASTER; 895#if NATADISK > 0 896 if (scp->devices & ATA_ATA_MASTER) 897 ad_attach(scp, ATA_MASTER); 898 if (scp->devices & ATA_ATA_SLAVE) 899 ad_attach(scp, ATA_SLAVE); 900#endif 901#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 902 if (scp->devices & ATA_ATAPI_MASTER) 903 atapi_attach(scp, ATA_MASTER); 904 if (scp->devices & ATA_ATAPI_SLAVE) 905 atapi_attach(scp, ATA_SLAVE); 906#endif 907 } 908 scp->flags |= ATA_ATTACHED; 909 return 0; 910} 911 912static int 913ata_detach(device_t dev) 914{ 915 struct ata_softc *scp = device_get_softc(dev); 916 917 if (!scp || !(scp->flags & ATA_ATTACHED)) 918 return ENXIO; 919 920#if NATADISK > 0 921 if (scp->devices & ATA_ATA_MASTER) 922 ad_detach(scp->dev_softc[0]); 923 if (scp->devices & ATA_ATA_SLAVE) 924 ad_detach(scp->dev_softc[1]); 925#endif 926#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 927 if (scp->devices & ATA_ATAPI_MASTER) 928 atapi_detach(scp->dev_softc[0]); 929 if (scp->devices & ATA_ATAPI_SLAVE) 930 atapi_detach(scp->dev_softc[1]); 931#endif 932 if (scp->dev_param[ATA_DEV(ATA_MASTER)]) { 933 free(scp->dev_param[ATA_DEV(ATA_MASTER)], M_ATA); 934 scp->dev_param[ATA_DEV(ATA_MASTER)] = NULL; 935 } 936 if (scp->dev_param[ATA_DEV(ATA_SLAVE)]) { 937 free(scp->dev_param[ATA_DEV(ATA_SLAVE)], M_ATA); 938 scp->dev_param[ATA_DEV(ATA_SLAVE)] = NULL; 939 } 940 scp->dev_softc[ATA_DEV(ATA_MASTER)] = NULL; 941 scp->dev_softc[ATA_DEV(ATA_SLAVE)] = NULL; 942 scp->mode[ATA_DEV(ATA_MASTER)] = ATA_PIO; 943 scp->mode[ATA_DEV(ATA_SLAVE)] = ATA_PIO; 944 bus_teardown_intr(dev, scp->r_irq, scp->ih); 945 bus_release_resource(dev, SYS_RES_IRQ, 0, scp->r_irq); 946 if (scp->r_bmio) 947 bus_release_resource(dev, SYS_RES_IOPORT, ATA_BMADDR_RID, scp->r_bmio); 948 if (scp->r_altio) 949 bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,scp->r_altio); 950 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, scp->r_io); 951 scp->flags &= ~ATA_ATTACHED; 952 return 0; 953} 954 955static int 956ata_resume(device_t dev) 957{ 958 struct ata_softc *scp = device_get_softc(dev); 959 960 ata_reinit(scp); 961 return 0; 962} 963 964static int 965ata_getparam(struct ata_softc *scp, int device, u_int8_t command) 966{ 967 struct ata_params *ata_parm; 968 int8_t buffer[DEV_BSIZE]; 969 int retry = 0; 970 971 /* select drive */ 972 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); 973 DELAY(1); 974 975 /* enable interrupt */ 976 outb(scp->altioaddr, ATA_A_4BIT); 977 DELAY(1); 978 979 /* apparently some devices needs this repeated */ 980 do { 981 if (ata_command(scp, device, command, 0, 0, 0, 0, 0, ATA_WAIT_INTR)) { 982 ata_printf(scp, device, "identify failed\n"); 983 return -1; 984 } 985 if (retry++ > 4) { 986 ata_printf(scp, device, "identify retries exceeded\n"); 987 return -1; 988 } 989 } while (ata_wait(scp, device, 990 ((command == ATA_C_ATAPI_IDENTIFY) ? 991 ATA_S_DRQ : (ATA_S_READY | ATA_S_DSC | ATA_S_DRQ)))); 992 993 insw(scp->ioaddr + ATA_DATA, buffer, sizeof(buffer)/sizeof(int16_t)); 994 ata_parm = malloc(sizeof(struct ata_params), M_ATA, M_NOWAIT); 995 if (!ata_parm) { 996 ata_printf(scp, device, "malloc for identify data failed\n"); 997 return -1; 998 } 999 bcopy(buffer, ata_parm, sizeof(struct ata_params)); 1000 if (command == ATA_C_ATA_IDENTIFY || 1001 !((ata_parm->model[0] == 'N' && ata_parm->model[1] == 'E') || 1002 (ata_parm->model[0] == 'F' && ata_parm->model[1] == 'X'))) 1003 bswap(ata_parm->model, sizeof(ata_parm->model)); 1004 btrim(ata_parm->model, sizeof(ata_parm->model)); 1005 bpack(ata_parm->model, ata_parm->model, sizeof(ata_parm->model)); 1006 bswap(ata_parm->revision, sizeof(ata_parm->revision)); 1007 btrim(ata_parm->revision, sizeof(ata_parm->revision)); 1008 bpack(ata_parm->revision, ata_parm->revision, sizeof(ata_parm->revision)); 1009 scp->dev_param[ATA_DEV(device)] = ata_parm; 1010 return 0; 1011} 1012 1013static void 1014ata_boot_attach(void) 1015{ 1016 struct ata_softc *scp; 1017 int ctlr; 1018 1019 /* 1020 * run through all ata devices and look for real ATA & ATAPI devices 1021 * using the hints we found in the early probe, this avoids some of 1022 * the delays probing of non-exsistent devices can cause. 1023 */ 1024 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1025 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1026 continue; 1027 if (scp->devices & ATA_ATA_SLAVE) 1028 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATA_IDENTIFY)) 1029 scp->devices &= ~ATA_ATA_SLAVE; 1030 if (scp->devices & ATA_ATAPI_SLAVE) 1031 if (ata_getparam(scp, ATA_SLAVE, ATA_C_ATAPI_IDENTIFY)) 1032 scp->devices &= ~ATA_ATAPI_SLAVE; 1033 if (scp->devices & ATA_ATA_MASTER) 1034 if (ata_getparam(scp, ATA_MASTER, ATA_C_ATA_IDENTIFY)) 1035 scp->devices &= ~ATA_ATA_MASTER; 1036 if (scp->devices & ATA_ATAPI_MASTER) 1037 if (ata_getparam(scp, ATA_MASTER,ATA_C_ATAPI_IDENTIFY)) 1038 scp->devices &= ~ATA_ATAPI_MASTER; 1039 } 1040 1041#if NATADISK > 0 1042 /* now we know whats there, do the real attach, first the ATA disks */ 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_MASTER) 1047 ad_attach(scp, ATA_MASTER); 1048 if (scp->devices & ATA_ATA_SLAVE) 1049 ad_attach(scp, ATA_SLAVE); 1050 } 1051#endif 1052#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1053 /* then the atapi devices */ 1054 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1055 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1056 continue; 1057 if (scp->devices & ATA_ATAPI_MASTER) 1058 atapi_attach(scp, ATA_MASTER); 1059 if (scp->devices & ATA_ATAPI_SLAVE) 1060 atapi_attach(scp, ATA_SLAVE); 1061 } 1062#endif 1063 if (ata_delayed_attach) { 1064 config_intrhook_disestablish(ata_delayed_attach); 1065 free(ata_delayed_attach, M_ATA); 1066 ata_delayed_attach = NULL; 1067 } 1068} 1069 1070static void 1071ata_intr(void *data) 1072{ 1073 struct ata_softc *scp = (struct ata_softc *)data; 1074 u_int8_t dmastat = 0; 1075 1076 /* 1077 * since we might share the IRQ with another device, and in some 1078 * cases with our twin channel, we only want to process interrupts 1079 * that we know this channel generated. 1080 */ 1081 switch (scp->chiptype) { 1082#if NPCI > 0 1083 case 0x00041103: /* HighPoint HPT366/368/370 */ 1084 if (((dmastat = ata_dmastatus(scp)) & 1085 (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT) 1086 return; 1087 outb(scp->bmaddr + ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT); 1088 break; 1089 1090 case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */ 1091 case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */ 1092 case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */ 1093 case 0x0d30105a: /* Promise OEM ATA100 */ 1094 { 1095 struct ata_pci_softc *sc=device_get_softc(device_get_parent(scp->dev)); 1096 1097 if (!(inl(rman_get_start(sc->bmio) + 0x1c) & 1098 ((scp->unit) ? 0x00004000 : 0x00000400))) 1099 return; 1100 } 1101 1102#endif 1103 default: 1104 if (scp->flags & ATA_DMA_ACTIVE) { 1105 if (((dmastat = ata_dmastatus(scp)) & 1106 (ATA_BMSTAT_ACTIVE|ATA_BMSTAT_INTERRUPT))!=ATA_BMSTAT_INTERRUPT) 1107 return; 1108 outb(scp->bmaddr + ATA_BMSTAT_PORT, dmastat | ATA_BMSTAT_INTERRUPT); 1109 } 1110 } 1111 DELAY(1); 1112 1113 /* if drive is busy it didn't interrupt */ 1114 if (inb(scp->altioaddr) & ATA_S_BUSY) 1115 return; 1116 1117 /* clear interrupt and get status */ 1118 scp->status = inb(scp->ioaddr + ATA_STATUS); 1119 1120 if (scp->status & ATA_S_ERROR) 1121 scp->error = inb(scp->ioaddr + ATA_ERROR); 1122 1123 /* find & call the responsible driver to process this interrupt */ 1124 switch (scp->active) { 1125#if NATADISK > 0 1126 case ATA_ACTIVE_ATA: 1127 if (!scp->running || ad_interrupt(scp->running) == ATA_OP_CONTINUES) 1128 return; 1129 break; 1130#endif 1131#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1132 case ATA_ACTIVE_ATAPI: 1133 if (!scp->running || atapi_interrupt(scp->running) == ATA_OP_CONTINUES) 1134 return; 1135 break; 1136#endif 1137 case ATA_WAIT_INTR: 1138 wakeup((caddr_t)scp); 1139 break; 1140 1141 case ATA_WAIT_READY: 1142 break; 1143 1144 case ATA_REINITING: 1145 return; 1146 1147 case ATA_IDLE: 1148 if (scp->flags & ATA_QUEUED) { 1149 scp->active = ATA_ACTIVE; 1150 if (ata_service(scp) == ATA_OP_CONTINUES) 1151 return; 1152 } 1153 /* FALLTHROUGH */ 1154 1155 default: 1156#ifdef ATA_DEBUG 1157 { 1158 static int intr_count = 0; 1159 1160 if (intr_count++ < 10) 1161 ata_printf(scp, -1, "unwanted interrupt %d status = %02x\n", 1162 intr_count, scp->status); 1163 } 1164#endif 1165 } 1166 scp->active = ATA_IDLE; 1167 scp->running = NULL; 1168 ata_start(scp); 1169 return; 1170} 1171 1172void 1173ata_start(struct ata_softc *scp) 1174{ 1175#if NATADISK > 0 1176 struct ad_request *ad_request; 1177#endif 1178#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1179 struct atapi_request *atapi_request; 1180#endif 1181 1182 if (scp->active != ATA_IDLE) 1183 return; 1184 1185 scp->active = ATA_ACTIVE; 1186 1187#if NATADISK > 0 1188 /* find & call the responsible driver if anything on the ATA queue */ 1189 if (TAILQ_EMPTY(&scp->ata_queue)) { 1190 if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0]) 1191 ad_start((struct ad_softc *)scp->dev_softc[0]); 1192 if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1]) 1193 ad_start((struct ad_softc *)scp->dev_softc[1]); 1194 } 1195 if ((ad_request = TAILQ_FIRST(&scp->ata_queue))) { 1196 TAILQ_REMOVE(&scp->ata_queue, ad_request, chain); 1197 scp->active = ATA_ACTIVE_ATA; 1198 scp->running = ad_request; 1199 if (ad_transfer(ad_request) == ATA_OP_CONTINUES) 1200 return; 1201 } 1202 1203#endif 1204#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1205 /* find & call the responsible driver if anything on the ATAPI queue */ 1206 if (TAILQ_EMPTY(&scp->atapi_queue)) { 1207 if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0]) 1208 atapi_start((struct atapi_softc *)scp->dev_softc[0]); 1209 if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1]) 1210 atapi_start((struct atapi_softc *)scp->dev_softc[1]); 1211 } 1212 if ((atapi_request = TAILQ_FIRST(&scp->atapi_queue))) { 1213 TAILQ_REMOVE(&scp->atapi_queue, atapi_request, chain); 1214 scp->active = ATA_ACTIVE_ATAPI; 1215 scp->running = atapi_request; 1216 atapi_transfer(atapi_request); 1217 return; 1218 } 1219#endif 1220 scp->active = ATA_IDLE; 1221} 1222 1223void 1224ata_reset(struct ata_softc *scp, int *mask) 1225{ 1226 int timeout; 1227 u_int8_t status0 = ATA_S_BUSY, status1 = ATA_S_BUSY; 1228 1229 /* reset channel */ 1230 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); 1231 DELAY(1); 1232 inb(scp->ioaddr + ATA_STATUS); 1233 outb(scp->altioaddr, ATA_A_IDS | ATA_A_RESET); 1234 DELAY(10000); 1235 outb(scp->altioaddr, ATA_A_IDS); 1236 DELAY(10000); 1237 inb(scp->ioaddr + ATA_ERROR); 1238 DELAY(3000); 1239 1240 /* wait for BUSY to go inactive */ 1241 for (timeout = 0; timeout < 310000; timeout++) { 1242 if (status0 & ATA_S_BUSY) { 1243 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_MASTER); 1244 DELAY(1); 1245 status0 = inb(scp->ioaddr + ATA_STATUS); 1246 if (!(status0 & ATA_S_BUSY)) { 1247 /* check for ATAPI signature while its still there */ 1248 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB && 1249 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) 1250 scp->devices |= ATA_ATAPI_MASTER; 1251 } 1252 } 1253 if (status1 & ATA_S_BUSY) { 1254 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | ATA_SLAVE); 1255 DELAY(1); 1256 status1 = inb(scp->ioaddr + ATA_STATUS); 1257 if (!(status1 & ATA_S_BUSY)) { 1258 /* check for ATAPI signature while its still there */ 1259 if (inb(scp->ioaddr + ATA_CYL_LSB) == ATAPI_MAGIC_LSB && 1260 inb(scp->ioaddr + ATA_CYL_MSB) == ATAPI_MAGIC_MSB) 1261 scp->devices |= ATA_ATAPI_SLAVE; 1262 } 1263 } 1264 if (*mask == 0x01) /* wait for master only */ 1265 if (!(status0 & ATA_S_BUSY)) 1266 break; 1267 if (*mask == 0x02) /* wait for slave only */ 1268 if (!(status1 & ATA_S_BUSY)) 1269 break; 1270 if (*mask == 0x03) /* wait for both master & slave */ 1271 if (!(status0 & ATA_S_BUSY) && !(status1 & ATA_S_BUSY)) 1272 break; 1273 DELAY(100); 1274 } 1275 DELAY(1); 1276 outb(scp->altioaddr, ATA_A_4BIT); 1277 if (status0 & ATA_S_BUSY) 1278 *mask &= ~0x01; 1279 if (status1 & ATA_S_BUSY) 1280 *mask &= ~0x02; 1281 if (bootverbose) 1282 ata_printf(scp, -1, "mask=%02x status0=%02x status1=%02x\n", 1283 *mask, status0, status1); 1284 if (!mask) { 1285 scp->devices = 0; 1286 return; 1287 } 1288 /* 1289 * OK, we have at least one device on the chain, checks for ATAPI 1290 * already done, if none check if its a good old ATA device. 1291 */ 1292 if (status0 != 0x00 && !(scp->devices & ATA_ATAPI_MASTER)) { 1293 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_MASTER)); 1294 DELAY(1); 1295 outb(scp->ioaddr + ATA_ERROR, 0x58); 1296 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5); 1297 if (inb(scp->ioaddr + ATA_ERROR) != 0x58 && 1298 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) { 1299 scp->devices |= ATA_ATA_MASTER; 1300 } 1301 } 1302 if (status1 != 0x00 && !(scp->devices & ATA_ATAPI_SLAVE)) { 1303 outb(scp->ioaddr + ATA_DRIVE, (ATA_D_IBM | ATA_SLAVE)); 1304 DELAY(1); 1305 outb(scp->ioaddr + ATA_ERROR, 0x58); 1306 outb(scp->ioaddr + ATA_CYL_LSB, 0xa5); 1307 if (inb(scp->ioaddr + ATA_ERROR) != 0x58 && 1308 inb(scp->ioaddr + ATA_CYL_LSB) == 0xa5) { 1309 scp->devices |= ATA_ATA_SLAVE; 1310 } 1311 } 1312} 1313 1314int 1315ata_reinit(struct ata_softc *scp) 1316{ 1317 int mask = 0, omask; 1318 1319 scp->active = ATA_REINITING; 1320 scp->running = NULL; 1321 if (scp->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) 1322 mask |= 0x01; 1323 if (scp->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) 1324 mask |= 0x02; 1325 if (mask) { 1326 omask = mask; 1327 ata_printf(scp, -1, "resetting devices .. "); 1328 ata_reset(scp, &mask); 1329 if (omask != mask) 1330 printf(" device dissapeared! %d ", omask & ~mask); 1331 1332#if NATADISK > 0 1333 if (scp->devices & (ATA_ATA_MASTER) && scp->dev_softc[0]) 1334 ad_reinit((struct ad_softc *)scp->dev_softc[0]); 1335 if (scp->devices & (ATA_ATA_SLAVE) && scp->dev_softc[1]) 1336 ad_reinit((struct ad_softc *)scp->dev_softc[1]); 1337#endif 1338#if NATAPICD > 0 || NATAPIFD > 0 || NATAPIST > 0 1339 if (scp->devices & (ATA_ATAPI_MASTER) && scp->dev_softc[0]) 1340 atapi_reinit((struct atapi_softc *)scp->dev_softc[0]); 1341 if (scp->devices & (ATA_ATAPI_SLAVE) && scp->dev_softc[1]) 1342 atapi_reinit((struct atapi_softc *)scp->dev_softc[1]); 1343#endif 1344 printf("done\n"); 1345 } 1346 scp->active = ATA_IDLE; 1347 ata_start(scp); 1348 return 0; 1349} 1350 1351static int 1352ata_service(struct ata_softc *scp) 1353{ 1354 /* do we have a SERVICE request from the drive ? */ 1355 if ((scp->status & (ATA_S_SERVICE|ATA_S_ERROR|ATA_S_DRQ)) == ATA_S_SERVICE){ 1356 outb(scp->bmaddr + ATA_BMSTAT_PORT, ata_dmastatus(scp) | ATA_BMSTAT_INTERRUPT); 1357#if NATADISK > 0 1358 if ((inb(scp->ioaddr + ATA_DRIVE) & ATA_SLAVE) == ATA_MASTER) { 1359 if ((scp->devices & ATA_ATA_MASTER) && scp->dev_softc[0]) 1360 return ad_service((struct ad_softc *)scp->dev_softc[0], 0); 1361 } 1362 else { 1363 if ((scp->devices & ATA_ATA_SLAVE) && scp->dev_softc[1]) 1364 return ad_service((struct ad_softc *)scp->dev_softc[1], 0); 1365 } 1366#endif 1367 } 1368 return ATA_OP_FINISHED; 1369} 1370 1371int 1372ata_wait(struct ata_softc *scp, int device, u_int8_t mask) 1373{ 1374 int timeout = 0; 1375 int statio = scp->ioaddr + ATA_STATUS; 1376 1377 DELAY(1); 1378 while (timeout < 5000000) { /* timeout 5 secs */ 1379 scp->status = inb(statio); 1380 1381 /* if drive fails status, reselect the drive just to be sure */ 1382 if (scp->status == 0xff) { 1383 ata_printf(scp, device, "no status, reselecting device\n"); 1384 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); 1385 DELAY(1); 1386 scp->status = inb(statio); 1387 } 1388 1389 /* are we done ? */ 1390 if (!(scp->status & ATA_S_BUSY)) 1391 break; 1392 1393 if (timeout > 1000) { 1394 timeout += 1000; 1395 DELAY(1000); 1396 } 1397 else { 1398 timeout += 10; 1399 DELAY(10); 1400 } 1401 } 1402 if (scp->status & ATA_S_ERROR) 1403 scp->error = inb(scp->ioaddr + ATA_ERROR); 1404 if (timeout >= 5000000) 1405 return -1; 1406 if (!mask) 1407 return (scp->status & ATA_S_ERROR); 1408 1409 /* Wait 50 msec for bits wanted. */ 1410 timeout = 5000; 1411 while (timeout--) { 1412 scp->status = inb(statio); 1413 if ((scp->status & mask) == mask) { 1414 if (scp->status & ATA_S_ERROR) 1415 scp->error = inb(scp->ioaddr + ATA_ERROR); 1416 return (scp->status & ATA_S_ERROR); 1417 } 1418 DELAY (10); 1419 } 1420 return -1; 1421} 1422 1423int 1424ata_command(struct ata_softc *scp, int device, u_int8_t command, 1425 u_int16_t cylinder, u_int8_t head, u_int8_t sector, 1426 u_int8_t count, u_int8_t feature, int flags) 1427{ 1428 int error = 0; 1429#ifdef ATA_DEBUG 1430 ata_printf(scp, device, "ata_command: addr=%04x, cmd=%02x, " 1431 "c=%d, h=%d, s=%d, count=%d, feature=%d, flags=%02x\n", 1432 scp->ioaddr, command, cylinder, head, sector, 1433 count, feature, flags); 1434#endif 1435 1436 /* disable interrupt from device */ 1437 if (scp->flags & ATA_QUEUED) 1438 outb(scp->altioaddr, ATA_A_IDS | ATA_A_4BIT); 1439 1440 /* select device */ 1441 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device); 1442 1443 /* ready to issue command ? */ 1444 if (ata_wait(scp, device, 0) < 0) { 1445 ata_printf(scp, device, 1446 "timeout waiting to give command=%02x s=%02x e=%02x\n", 1447 command, scp->status, scp->error); 1448 return -1; 1449 } 1450 1451 outb(scp->ioaddr + ATA_FEATURE, feature); 1452 outb(scp->ioaddr + ATA_COUNT, count); 1453 outb(scp->ioaddr + ATA_SECTOR, sector); 1454 outb(scp->ioaddr + ATA_CYL_MSB, cylinder >> 8); 1455 outb(scp->ioaddr + ATA_CYL_LSB, cylinder); 1456 outb(scp->ioaddr + ATA_DRIVE, ATA_D_IBM | device | head); 1457 1458 switch (flags) { 1459 case ATA_WAIT_INTR: 1460 if (scp->active != ATA_IDLE) 1461 ata_printf(scp, device, "WARNING: WAIT_INTR active=%s\n", 1462 active2str(scp->active)); 1463 scp->active = ATA_WAIT_INTR; 1464 asleep((caddr_t)scp, PRIBIO, "atacmd", 10 * hz); 1465 outb(scp->ioaddr + ATA_CMD, command); 1466 1467 /* enable interrupt */ 1468 if (scp->flags & ATA_QUEUED) 1469 outb(scp->altioaddr, ATA_A_4BIT); 1470 1471 if (await(PRIBIO, 10 * hz)) { 1472 ata_printf(scp, device, "ata_command: timeout waiting for intr\n"); 1473 scp->active = ATA_IDLE; 1474 error = -1; 1475 } 1476 break; 1477 1478 case ATA_WAIT_READY: 1479 if (scp->active != ATA_IDLE && scp->active != ATA_REINITING) 1480 ata_printf(scp, device, "WARNING: WAIT_READY active=%s\n", 1481 active2str(scp->active)); 1482 if (scp->active != ATA_REINITING) 1483 scp->active = ATA_WAIT_READY; 1484 outb(scp->ioaddr + ATA_CMD, command); 1485 if (ata_wait(scp, device, ATA_S_READY) < 0) { 1486 ata_printf(scp, device, 1487 "timeout waiting for command=%02x s=%02x e=%02x\n", 1488 command, scp->status, scp->error); 1489 error = -1; 1490 } 1491 if (scp->active != ATA_REINITING) 1492 scp->active = ATA_IDLE; 1493 break; 1494 1495 case ATA_IMMEDIATE: 1496 outb(scp->ioaddr + ATA_CMD, command); 1497 break; 1498 1499 default: 1500 ata_printf(scp, device, "DANGER: illegal interrupt flag=%s\n", 1501 active2str(flags)); 1502 } 1503 /* enable interrupt */ 1504 if (scp->flags & ATA_QUEUED) 1505 outb(scp->altioaddr, ATA_A_4BIT); 1506 return error; 1507} 1508 1509int 1510ata_get_lun(u_int32_t *map) 1511{ 1512 int lun = ffs(~*map) - 1; 1513 1514 *map |= (1 << lun); 1515 return lun; 1516} 1517 1518void 1519ata_free_lun(u_int32_t *map, int lun) 1520{ 1521 *map &= ~(1 << lun); 1522} 1523 1524int 1525ata_printf(struct ata_softc *scp, int device, const char * fmt, ...) 1526{ 1527 va_list ap; 1528 int ret; 1529 1530 if (device == -1) 1531 ret = printf("ata%d: ", device_get_unit(scp->dev)); 1532 else 1533 ret = printf("ata%d-%s: ", device_get_unit(scp->dev), 1534 (device == ATA_MASTER) ? "master" : "slave"); 1535 va_start(ap, fmt); 1536 ret += vprintf(fmt, ap); 1537 va_end(ap); 1538 return ret; 1539} 1540 1541char * 1542ata_mode2str(int mode) 1543{ 1544 switch (mode) { 1545 case ATA_PIO: return "BIOSPIO"; 1546 case ATA_PIO0: return "PIO0"; 1547 case ATA_PIO1: return "PIO1"; 1548 case ATA_PIO2: return "PIO2"; 1549 case ATA_PIO3: return "PIO3"; 1550 case ATA_PIO4: return "PIO4"; 1551 case ATA_WDMA2: return "WDMA2"; 1552 case ATA_UDMA2: return "UDMA33"; 1553 case ATA_UDMA4: return "UDMA66"; 1554 case ATA_UDMA5: return "UDMA100"; 1555 case ATA_DMA: return "BIOSDMA"; 1556 default: return "???"; 1557 } 1558} 1559 1560int 1561ata_pio2mode(int pio) 1562{ 1563 switch (pio) { 1564 default: 1565 case 0: return ATA_PIO0; 1566 case 1: return ATA_PIO1; 1567 case 2: return ATA_PIO2; 1568 case 3: return ATA_PIO3; 1569 case 4: return ATA_PIO4; 1570 } 1571} 1572 1573int 1574ata_pmode(struct ata_params *ap) 1575{ 1576 if (ap->atavalid & ATA_FLAG_64_70) { 1577 if (ap->apiomodes & 2) 1578 return 4; 1579 if (ap->apiomodes & 1) 1580 return 3; 1581 } 1582 if (ap->opiomode == 2) 1583 return 2; 1584 if (ap->opiomode == 1) 1585 return 1; 1586 if (ap->opiomode == 0) 1587 return 0; 1588 return -1; 1589} 1590 1591int 1592ata_wmode(struct ata_params *ap) 1593{ 1594 if (ap->wdmamodes & 4) 1595 return 2; 1596 if (ap->wdmamodes & 2) 1597 return 1; 1598 if (ap->wdmamodes & 1) 1599 return 0; 1600 return -1; 1601} 1602 1603int 1604ata_umode(struct ata_params *ap) 1605{ 1606 if (ap->atavalid & ATA_FLAG_88) { 1607 if (ap->udmamodes & 0x20) 1608 return 5; 1609 if (ap->udmamodes & 0x10) 1610 return 4; 1611 if (ap->udmamodes & 0x08) 1612 return 3; 1613 if (ap->udmamodes & 0x04) 1614 return 2; 1615 if (ap->udmamodes & 0x02) 1616 return 1; 1617 if (ap->udmamodes & 0x01) 1618 return 0; 1619 } 1620 return -1; 1621} 1622 1623static char * 1624active2str(int active) 1625{ 1626 static char buf[8]; 1627 1628 switch (active) { 1629 case ATA_IDLE: 1630 return("ATA_IDLE"); 1631 case ATA_IMMEDIATE: 1632 return("ATA_IMMEDIATE"); 1633 case ATA_WAIT_INTR: 1634 return("ATA_WAIT_INTR"); 1635 case ATA_WAIT_READY: 1636 return("ATA_WAIT_READY"); 1637 case ATA_ACTIVE: 1638 return("ATA_ACTIVE"); 1639 case ATA_ACTIVE_ATA: 1640 return("ATA_ACTIVE_ATA"); 1641 case ATA_ACTIVE_ATAPI: 1642 return("ATA_ACTIVE_ATAPI"); 1643 case ATA_REINITING: 1644 return("ATA_REINITING"); 1645 default: 1646 sprintf(buf, "0x%02x", active); 1647 return buf; 1648 } 1649} 1650 1651static void 1652bswap(int8_t *buf, int len) 1653{ 1654 u_int16_t *ptr = (u_int16_t*)(buf + len); 1655 1656 while (--ptr >= (u_int16_t*)buf) 1657 *ptr = ntohs(*ptr); 1658} 1659 1660static void 1661btrim(int8_t *buf, int len) 1662{ 1663 int8_t *ptr; 1664 1665 for (ptr = buf; ptr < buf+len; ++ptr) 1666 if (!*ptr) 1667 *ptr = ' '; 1668 for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) 1669 *ptr = 0; 1670} 1671 1672static void 1673bpack(int8_t *src, int8_t *dst, int len) 1674{ 1675 int i, j, blank; 1676 1677 for (i = j = blank = 0 ; i < len; i++) { 1678 if (blank && src[i] == ' ') continue; 1679 if (blank && src[i] != ' ') { 1680 dst[j++] = src[i]; 1681 blank = 0; 1682 continue; 1683 } 1684 if (src[i] == ' ') { 1685 blank = 1; 1686 if (i == 0) 1687 continue; 1688 } 1689 dst[j++] = src[i]; 1690 } 1691 if (j < len) 1692 dst[j] = 0x00; 1693} 1694 1695static void 1696ata_change_mode(struct ata_softc *scp, int device, int mode) 1697{ 1698 int s = splbio(); 1699 1700 while (scp->active != ATA_IDLE) 1701 tsleep((caddr_t)&s, PRIBIO, "atachm", hz/4); 1702 scp->active = ATA_REINITING; 1703 ata_dmainit(scp, device, ata_pmode(ATA_PARAM(scp, device)), 1704 mode < ATA_DMA ? -1 : ata_wmode(ATA_PARAM(scp, device)), 1705 mode < ATA_DMA ? -1 : ata_umode(ATA_PARAM(scp, device))); 1706 scp->active = ATA_IDLE; 1707 ata_start(scp); 1708 splx(s); 1709} 1710 1711static int 1712sysctl_hw_ata(SYSCTL_HANDLER_ARGS) 1713{ 1714 struct ata_softc *scp; 1715 int ctlr, error, i; 1716 1717 /* readout internal state */ 1718 bzero(ata_conf, sizeof(ata_conf)); 1719 for (ctlr=0; ctlr<devclass_get_maxunit(ata_devclass); ctlr++) { 1720 if (!(scp = devclass_get_softc(ata_devclass, ctlr))) 1721 continue; 1722 for (i = 0; i < 2; i++) { 1723 if (!scp->dev_softc[i]) 1724 strcat(ata_conf, "---,"); 1725 else if (scp->mode[i] >= ATA_DMA) 1726 strcat(ata_conf, "dma,"); 1727 else 1728 strcat(ata_conf, "pio,"); 1729 } 1730 } 1731 error = sysctl_handle_string(oidp, ata_conf, sizeof(ata_conf), req); 1732 if (error == 0 && req->newptr != NULL) { 1733 char *ptr = ata_conf; 1734 1735 /* update internal state */ 1736 i = 0; 1737 while (*ptr) { 1738 if (!strncmp(ptr, "pio", 3) || !strncmp(ptr, "PIO", 3)) { 1739 if ((scp = devclass_get_softc(ata_devclass, i >> 1)) && 1740 scp->dev_softc[i & 1] && scp->mode[i & 1] >= ATA_DMA) 1741 ata_change_mode(scp, (i & 1)?ATA_SLAVE:ATA_MASTER, ATA_PIO); 1742 } 1743 else if (!strncmp(ptr, "dma", 3) || !strncmp(ptr, "DMA", 3)) { 1744 if ((scp = devclass_get_softc(ata_devclass, i >> 1)) && 1745 scp->dev_softc[i & 1] && scp->mode[i & 1] < ATA_DMA) 1746 ata_change_mode(scp, (i & 1)?ATA_SLAVE:ATA_MASTER, ATA_DMA); 1747 } 1748 else if (strncmp(ptr, "---", 3)) 1749 break; 1750 ptr+=3; 1751 if (*ptr++ != ',' || 1752 ++i > (devclass_get_maxunit(ata_devclass) << 1)) 1753 break; 1754 } 1755 } 1756 return error; 1757} 1758SYSCTL_PROC(_hw, OID_AUTO, atamodes, CTLTYPE_STRING | CTLFLAG_RW, 1759 0, sizeof(ata_conf), sysctl_hw_ata, "A", ""); 1760 1761static void 1762ata_init(void) 1763{ 1764 /* register boot attach to be run when interrupts are enabled */ 1765 if (!(ata_delayed_attach = (struct intr_config_hook *) 1766 malloc(sizeof(struct intr_config_hook), 1767 M_TEMP, M_NOWAIT))) { 1768 printf("ata: malloc of delayed attach hook failed\n"); 1769 return; 1770 } 1771 bzero(ata_delayed_attach, sizeof(struct intr_config_hook)); 1772 1773 ata_delayed_attach->ich_func = (void*)ata_boot_attach; 1774 if (config_intrhook_establish(ata_delayed_attach) != 0) { 1775 printf("ata: config_intrhook_establish failed\n"); 1776 free(ata_delayed_attach, M_TEMP); 1777 } 1778} 1779SYSINIT(atadev, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL) 1780