pciide.c revision 1.125
1 /* $NetBSD: pciide.c,v 1.125 2001/07/28 12:07:11 tsutsui Exp $ */ 2 3 4 /* 5 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 37 /* 38 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by Christopher G. Demetriou 51 * for the NetBSD Project. 52 * 4. The name of the author may not be used to endorse or promote products 53 * derived from this software without specific prior written permission 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 /* 68 * PCI IDE controller driver. 69 * 70 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 71 * sys/dev/pci/ppb.c, revision 1.16). 72 * 73 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and 74 * "Programming Interface for Bus Master IDE Controller, Revision 1.0 75 * 5/16/94" from the PCI SIG. 76 * 77 */ 78 79 #ifndef WDCDEBUG 80 #define WDCDEBUG 81 #endif 82 83 #define DEBUG_DMA 0x01 84 #define DEBUG_XFERS 0x02 85 #define DEBUG_FUNCS 0x08 86 #define DEBUG_PROBE 0x10 87 #ifdef WDCDEBUG 88 int wdcdebug_pciide_mask = 0; 89 #define WDCDEBUG_PRINT(args, level) \ 90 if (wdcdebug_pciide_mask & (level)) printf args 91 #else 92 #define WDCDEBUG_PRINT(args, level) 93 #endif 94 #include <sys/param.h> 95 #include <sys/systm.h> 96 #include <sys/device.h> 97 #include <sys/malloc.h> 98 99 #include <uvm/uvm_extern.h> 100 101 #include <machine/endian.h> 102 103 #include <dev/pci/pcireg.h> 104 #include <dev/pci/pcivar.h> 105 #include <dev/pci/pcidevs.h> 106 #include <dev/pci/pciidereg.h> 107 #include <dev/pci/pciidevar.h> 108 #include <dev/pci/pciide_piix_reg.h> 109 #include <dev/pci/pciide_amd_reg.h> 110 #include <dev/pci/pciide_apollo_reg.h> 111 #include <dev/pci/pciide_cmd_reg.h> 112 #include <dev/pci/pciide_cy693_reg.h> 113 #include <dev/pci/pciide_sis_reg.h> 114 #include <dev/pci/pciide_acer_reg.h> 115 #include <dev/pci/pciide_pdc202xx_reg.h> 116 #include <dev/pci/pciide_opti_reg.h> 117 #include <dev/pci/pciide_hpt_reg.h> 118 #include <dev/pci/pciide_acard_reg.h> 119 #include <dev/pci/cy82c693var.h> 120 121 #include "opt_pciide.h" 122 123 /* inlines for reading/writing 8-bit PCI registers */ 124 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 125 int)); 126 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 127 int, u_int8_t)); 128 129 static __inline u_int8_t 130 pciide_pci_read(pc, pa, reg) 131 pci_chipset_tag_t pc; 132 pcitag_t pa; 133 int reg; 134 { 135 136 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 137 ((reg & 0x03) * 8) & 0xff); 138 } 139 140 static __inline void 141 pciide_pci_write(pc, pa, reg, val) 142 pci_chipset_tag_t pc; 143 pcitag_t pa; 144 int reg; 145 u_int8_t val; 146 { 147 pcireg_t pcival; 148 149 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 150 pcival &= ~(0xff << ((reg & 0x03) * 8)); 151 pcival |= (val << ((reg & 0x03) * 8)); 152 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 153 } 154 155 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 156 157 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 158 void piix_setup_channel __P((struct channel_softc*)); 159 void piix3_4_setup_channel __P((struct channel_softc*)); 160 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 161 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 162 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 163 164 void amd7x6_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 165 void amd7x6_setup_channel __P((struct channel_softc*)); 166 167 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 168 void apollo_setup_channel __P((struct channel_softc*)); 169 170 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 171 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 172 void cmd0643_9_setup_channel __P((struct channel_softc*)); 173 void cmd_channel_map __P((struct pci_attach_args *, 174 struct pciide_softc *, int)); 175 int cmd_pci_intr __P((void *)); 176 void cmd646_9_irqack __P((struct channel_softc *)); 177 178 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 179 void cy693_setup_channel __P((struct channel_softc*)); 180 181 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 182 void sis_setup_channel __P((struct channel_softc*)); 183 184 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 185 void acer_setup_channel __P((struct channel_softc*)); 186 int acer_pci_intr __P((void *)); 187 188 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 189 void pdc202xx_setup_channel __P((struct channel_softc*)); 190 int pdc202xx_pci_intr __P((void *)); 191 int pdc20265_pci_intr __P((void *)); 192 193 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 194 void opti_setup_channel __P((struct channel_softc*)); 195 196 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 197 void hpt_setup_channel __P((struct channel_softc*)); 198 int hpt_pci_intr __P((void *)); 199 200 void acard_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 201 void acard_setup_channel __P((struct channel_softc*)); 202 int acard_pci_intr __P((void *)); 203 204 #ifdef PCIIDE_WINBOND_ENABLE 205 void winbond_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 206 #endif 207 208 void pciide_channel_dma_setup __P((struct pciide_channel *)); 209 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 210 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 211 void pciide_dma_start __P((void*, int, int)); 212 int pciide_dma_finish __P((void*, int, int, int)); 213 void pciide_irqack __P((struct channel_softc *)); 214 void pciide_print_modes __P((struct pciide_channel *)); 215 216 struct pciide_product_desc { 217 u_int32_t ide_product; 218 int ide_flags; 219 const char *ide_name; 220 /* map and setup chip, probe drives */ 221 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 222 }; 223 224 /* Flags for ide_flags */ 225 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 226 #define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */ 227 228 /* Default product description for devices not known from this controller */ 229 const struct pciide_product_desc default_product_desc = { 230 0, 231 0, 232 "Generic PCI IDE controller", 233 default_chip_map, 234 }; 235 236 const struct pciide_product_desc pciide_intel_products[] = { 237 { PCI_PRODUCT_INTEL_82092AA, 238 0, 239 "Intel 82092AA IDE controller", 240 default_chip_map, 241 }, 242 { PCI_PRODUCT_INTEL_82371FB_IDE, 243 0, 244 "Intel 82371FB IDE controller (PIIX)", 245 piix_chip_map, 246 }, 247 { PCI_PRODUCT_INTEL_82371SB_IDE, 248 0, 249 "Intel 82371SB IDE Interface (PIIX3)", 250 piix_chip_map, 251 }, 252 { PCI_PRODUCT_INTEL_82371AB_IDE, 253 0, 254 "Intel 82371AB IDE controller (PIIX4)", 255 piix_chip_map, 256 }, 257 { PCI_PRODUCT_INTEL_82440MX_IDE, 258 0, 259 "Intel 82440MX IDE controller", 260 piix_chip_map 261 }, 262 { PCI_PRODUCT_INTEL_82801AA_IDE, 263 0, 264 "Intel 82801AA IDE Controller (ICH)", 265 piix_chip_map, 266 }, 267 { PCI_PRODUCT_INTEL_82801AB_IDE, 268 0, 269 "Intel 82801AB IDE Controller (ICH0)", 270 piix_chip_map, 271 }, 272 { PCI_PRODUCT_INTEL_82801BA_IDE, 273 0, 274 "Intel 82801BA IDE Controller (ICH2)", 275 piix_chip_map, 276 }, 277 { PCI_PRODUCT_INTEL_82801BAM_IDE, 278 0, 279 "Intel 82801BAM IDE Controller (ICH2)", 280 piix_chip_map, 281 }, 282 { 0, 283 0, 284 NULL, 285 NULL 286 } 287 }; 288 289 const struct pciide_product_desc pciide_amd_products[] = { 290 { PCI_PRODUCT_AMD_PBC756_IDE, 291 0, 292 "Advanced Micro Devices AMD756 IDE Controller", 293 amd7x6_chip_map 294 }, 295 { PCI_PRODUCT_AMD_PBC766_IDE, 296 0, 297 "Advanced Micro Devices AMD766 IDE Controller", 298 amd7x6_chip_map 299 }, 300 { 0, 301 0, 302 NULL, 303 NULL 304 } 305 }; 306 307 const struct pciide_product_desc pciide_cmd_products[] = { 308 { PCI_PRODUCT_CMDTECH_640, 309 0, 310 "CMD Technology PCI0640", 311 cmd_chip_map 312 }, 313 { PCI_PRODUCT_CMDTECH_643, 314 0, 315 "CMD Technology PCI0643", 316 cmd0643_9_chip_map, 317 }, 318 { PCI_PRODUCT_CMDTECH_646, 319 0, 320 "CMD Technology PCI0646", 321 cmd0643_9_chip_map, 322 }, 323 { PCI_PRODUCT_CMDTECH_648, 324 IDE_PCI_CLASS_OVERRIDE, 325 "CMD Technology PCI0648", 326 cmd0643_9_chip_map, 327 }, 328 { PCI_PRODUCT_CMDTECH_649, 329 IDE_PCI_CLASS_OVERRIDE, 330 "CMD Technology PCI0649", 331 cmd0643_9_chip_map, 332 }, 333 { 0, 334 0, 335 NULL, 336 NULL 337 } 338 }; 339 340 const struct pciide_product_desc pciide_via_products[] = { 341 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 342 0, 343 NULL, 344 apollo_chip_map, 345 }, 346 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 347 0, 348 NULL, 349 apollo_chip_map, 350 }, 351 { 0, 352 0, 353 NULL, 354 NULL 355 } 356 }; 357 358 const struct pciide_product_desc pciide_cypress_products[] = { 359 { PCI_PRODUCT_CONTAQ_82C693, 360 IDE_16BIT_IOSPACE, 361 "Cypress 82C693 IDE Controller", 362 cy693_chip_map, 363 }, 364 { 0, 365 0, 366 NULL, 367 NULL 368 } 369 }; 370 371 const struct pciide_product_desc pciide_sis_products[] = { 372 { PCI_PRODUCT_SIS_5597_IDE, 373 0, 374 "Silicon Integrated System 5597/5598 IDE controller", 375 sis_chip_map, 376 }, 377 { 0, 378 0, 379 NULL, 380 NULL 381 } 382 }; 383 384 const struct pciide_product_desc pciide_acer_products[] = { 385 { PCI_PRODUCT_ALI_M5229, 386 0, 387 "Acer Labs M5229 UDMA IDE Controller", 388 acer_chip_map, 389 }, 390 { 0, 391 0, 392 NULL, 393 NULL 394 } 395 }; 396 397 const struct pciide_product_desc pciide_promise_products[] = { 398 { PCI_PRODUCT_PROMISE_ULTRA33, 399 IDE_PCI_CLASS_OVERRIDE, 400 "Promise Ultra33/ATA Bus Master IDE Accelerator", 401 pdc202xx_chip_map, 402 }, 403 { PCI_PRODUCT_PROMISE_ULTRA66, 404 IDE_PCI_CLASS_OVERRIDE, 405 "Promise Ultra66/ATA Bus Master IDE Accelerator", 406 pdc202xx_chip_map, 407 }, 408 { PCI_PRODUCT_PROMISE_ULTRA100, 409 IDE_PCI_CLASS_OVERRIDE, 410 "Promise Ultra100/ATA Bus Master IDE Accelerator", 411 pdc202xx_chip_map, 412 }, 413 { PCI_PRODUCT_PROMISE_ULTRA100X, 414 IDE_PCI_CLASS_OVERRIDE, 415 "Promise Ultra100/ATA Bus Master IDE Accelerator", 416 pdc202xx_chip_map, 417 }, 418 { 0, 419 0, 420 NULL, 421 NULL 422 } 423 }; 424 425 const struct pciide_product_desc pciide_opti_products[] = { 426 { PCI_PRODUCT_OPTI_82C621, 427 0, 428 "OPTi 82c621 PCI IDE controller", 429 opti_chip_map, 430 }, 431 { PCI_PRODUCT_OPTI_82C568, 432 0, 433 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 434 opti_chip_map, 435 }, 436 { PCI_PRODUCT_OPTI_82D568, 437 0, 438 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 439 opti_chip_map, 440 }, 441 { 0, 442 0, 443 NULL, 444 NULL 445 } 446 }; 447 448 const struct pciide_product_desc pciide_triones_products[] = { 449 { PCI_PRODUCT_TRIONES_HPT366, 450 IDE_PCI_CLASS_OVERRIDE, 451 NULL, 452 hpt_chip_map, 453 }, 454 { 0, 455 0, 456 NULL, 457 NULL 458 } 459 }; 460 461 const struct pciide_product_desc pciide_acard_products[] = { 462 { PCI_PRODUCT_ACARD_ATP850U, 463 IDE_PCI_CLASS_OVERRIDE, 464 "Acard ATP850U Ultra33 IDE Controller", 465 acard_chip_map, 466 }, 467 { PCI_PRODUCT_ACARD_ATP860, 468 IDE_PCI_CLASS_OVERRIDE, 469 "Acard ATP860 Ultra66 IDE Controller", 470 acard_chip_map, 471 }, 472 { PCI_PRODUCT_ACARD_ATP860A, 473 IDE_PCI_CLASS_OVERRIDE, 474 "Acard ATP860-A Ultra66 IDE Controller", 475 acard_chip_map, 476 }, 477 { 0, 478 0, 479 NULL, 480 NULL 481 } 482 }; 483 484 #ifdef PCIIDE_SERVERWORKS_ENABLE 485 const struct pciide_product_desc pciide_serverworks_products[] = { 486 { PCI_PRODUCT_SERVERWORKS_IDE, 487 0, 488 "ServerWorks ROSB4 IDE Controller", 489 piix_chip_map, 490 }, 491 { 0, 492 0, 493 NULL, 494 } 495 }; 496 #endif 497 498 #ifdef PCIIDE_WINBOND_ENABLE 499 const struct pciide_product_desc pciide_winbond_products[] = { 500 { PCI_PRODUCT_WINBOND_W83C553F_1, 501 0, 502 "Winbond W83C553F IDE controller", 503 winbond_chip_map, 504 }, 505 { 0, 506 0, 507 NULL, 508 } 509 }; 510 #endif 511 512 struct pciide_vendor_desc { 513 u_int32_t ide_vendor; 514 const struct pciide_product_desc *ide_products; 515 }; 516 517 const struct pciide_vendor_desc pciide_vendors[] = { 518 { PCI_VENDOR_INTEL, pciide_intel_products }, 519 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 520 { PCI_VENDOR_VIATECH, pciide_via_products }, 521 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 522 { PCI_VENDOR_SIS, pciide_sis_products }, 523 { PCI_VENDOR_ALI, pciide_acer_products }, 524 { PCI_VENDOR_PROMISE, pciide_promise_products }, 525 { PCI_VENDOR_AMD, pciide_amd_products }, 526 { PCI_VENDOR_OPTI, pciide_opti_products }, 527 { PCI_VENDOR_TRIONES, pciide_triones_products }, 528 { PCI_VENDOR_ACARD, pciide_acard_products }, 529 #ifdef PCIIDE_SERVERWORKS_ENABLE 530 { PCI_VENDOR_SERVERWORKS, pciide_serverworks_products }, 531 #endif 532 #ifdef PCIIDE_WINBOND_ENABLE 533 { PCI_VENDOR_WINBOND, pciide_winbond_products }, 534 #endif 535 { 0, NULL } 536 }; 537 538 /* options passed via the 'flags' config keyword */ 539 #define PCIIDE_OPTIONS_DMA 0x01 540 541 int pciide_match __P((struct device *, struct cfdata *, void *)); 542 void pciide_attach __P((struct device *, struct device *, void *)); 543 544 struct cfattach pciide_ca = { 545 sizeof(struct pciide_softc), pciide_match, pciide_attach 546 }; 547 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 548 int pciide_mapregs_compat __P(( struct pci_attach_args *, 549 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 550 int pciide_mapregs_native __P((struct pci_attach_args *, 551 struct pciide_channel *, bus_size_t *, bus_size_t *, 552 int (*pci_intr) __P((void *)))); 553 void pciide_mapreg_dma __P((struct pciide_softc *, 554 struct pci_attach_args *)); 555 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 556 void pciide_mapchan __P((struct pci_attach_args *, 557 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 558 int (*pci_intr) __P((void *)))); 559 int pciide_chan_candisable __P((struct pciide_channel *)); 560 void pciide_map_compat_intr __P(( struct pci_attach_args *, 561 struct pciide_channel *, int, int)); 562 int pciide_print __P((void *, const char *pnp)); 563 int pciide_compat_intr __P((void *)); 564 int pciide_pci_intr __P((void *)); 565 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 566 567 const struct pciide_product_desc * 568 pciide_lookup_product(id) 569 u_int32_t id; 570 { 571 const struct pciide_product_desc *pp; 572 const struct pciide_vendor_desc *vp; 573 574 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 575 if (PCI_VENDOR(id) == vp->ide_vendor) 576 break; 577 578 if ((pp = vp->ide_products) == NULL) 579 return NULL; 580 581 for (; pp->chip_map != NULL; pp++) 582 if (PCI_PRODUCT(id) == pp->ide_product) 583 break; 584 585 if (pp->chip_map == NULL) 586 return NULL; 587 return pp; 588 } 589 590 int 591 pciide_match(parent, match, aux) 592 struct device *parent; 593 struct cfdata *match; 594 void *aux; 595 { 596 struct pci_attach_args *pa = aux; 597 const struct pciide_product_desc *pp; 598 599 /* 600 * Check the ID register to see that it's a PCI IDE controller. 601 * If it is, we assume that we can deal with it; it _should_ 602 * work in a standardized way... 603 */ 604 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 605 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 606 return (1); 607 } 608 609 /* 610 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 611 * controllers. Let see if we can deal with it anyway. 612 */ 613 pp = pciide_lookup_product(pa->pa_id); 614 if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 615 return (1); 616 } 617 618 return (0); 619 } 620 621 void 622 pciide_attach(parent, self, aux) 623 struct device *parent, *self; 624 void *aux; 625 { 626 struct pci_attach_args *pa = aux; 627 pci_chipset_tag_t pc = pa->pa_pc; 628 pcitag_t tag = pa->pa_tag; 629 struct pciide_softc *sc = (struct pciide_softc *)self; 630 pcireg_t csr; 631 char devinfo[256]; 632 const char *displaydev; 633 634 sc->sc_pp = pciide_lookup_product(pa->pa_id); 635 if (sc->sc_pp == NULL) { 636 sc->sc_pp = &default_product_desc; 637 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 638 displaydev = devinfo; 639 } else 640 displaydev = sc->sc_pp->ide_name; 641 642 /* if displaydev == NULL, printf is done in chip-specific map */ 643 if (displaydev) 644 printf(": %s (rev. 0x%02x)\n", displaydev, 645 PCI_REVISION(pa->pa_class)); 646 647 sc->sc_pc = pa->pa_pc; 648 sc->sc_tag = pa->pa_tag; 649 #ifdef WDCDEBUG 650 if (wdcdebug_pciide_mask & DEBUG_PROBE) 651 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 652 #endif 653 sc->sc_pp->chip_map(sc, pa); 654 655 if (sc->sc_dma_ok) { 656 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 657 csr |= PCI_COMMAND_MASTER_ENABLE; 658 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 659 } 660 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 661 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 662 } 663 664 /* tell wether the chip is enabled or not */ 665 int 666 pciide_chipen(sc, pa) 667 struct pciide_softc *sc; 668 struct pci_attach_args *pa; 669 { 670 pcireg_t csr; 671 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 672 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 673 PCI_COMMAND_STATUS_REG); 674 printf("%s: device disabled (at %s)\n", 675 sc->sc_wdcdev.sc_dev.dv_xname, 676 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 677 "device" : "bridge"); 678 return 0; 679 } 680 return 1; 681 } 682 683 int 684 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 685 struct pci_attach_args *pa; 686 struct pciide_channel *cp; 687 int compatchan; 688 bus_size_t *cmdsizep, *ctlsizep; 689 { 690 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 691 struct channel_softc *wdc_cp = &cp->wdc_channel; 692 693 cp->compat = 1; 694 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 695 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 696 697 wdc_cp->cmd_iot = pa->pa_iot; 698 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 699 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 700 printf("%s: couldn't map %s channel cmd regs\n", 701 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 702 return (0); 703 } 704 705 wdc_cp->ctl_iot = pa->pa_iot; 706 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 707 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 708 printf("%s: couldn't map %s channel ctl regs\n", 709 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 710 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 711 PCIIDE_COMPAT_CMD_SIZE); 712 return (0); 713 } 714 715 return (1); 716 } 717 718 int 719 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 720 struct pci_attach_args * pa; 721 struct pciide_channel *cp; 722 bus_size_t *cmdsizep, *ctlsizep; 723 int (*pci_intr) __P((void *)); 724 { 725 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 726 struct channel_softc *wdc_cp = &cp->wdc_channel; 727 const char *intrstr; 728 pci_intr_handle_t intrhandle; 729 730 cp->compat = 0; 731 732 if (sc->sc_pci_ih == NULL) { 733 if (pci_intr_map(pa, &intrhandle) != 0) { 734 printf("%s: couldn't map native-PCI interrupt\n", 735 sc->sc_wdcdev.sc_dev.dv_xname); 736 return 0; 737 } 738 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 739 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 740 intrhandle, IPL_BIO, pci_intr, sc); 741 if (sc->sc_pci_ih != NULL) { 742 printf("%s: using %s for native-PCI interrupt\n", 743 sc->sc_wdcdev.sc_dev.dv_xname, 744 intrstr ? intrstr : "unknown interrupt"); 745 } else { 746 printf("%s: couldn't establish native-PCI interrupt", 747 sc->sc_wdcdev.sc_dev.dv_xname); 748 if (intrstr != NULL) 749 printf(" at %s", intrstr); 750 printf("\n"); 751 return 0; 752 } 753 } 754 cp->ih = sc->sc_pci_ih; 755 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 756 PCI_MAPREG_TYPE_IO, 0, 757 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 758 printf("%s: couldn't map %s channel cmd regs\n", 759 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 760 return 0; 761 } 762 763 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 764 PCI_MAPREG_TYPE_IO, 0, 765 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) { 766 printf("%s: couldn't map %s channel ctl regs\n", 767 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 768 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 769 return 0; 770 } 771 /* 772 * In native mode, 4 bytes of I/O space are mapped for the control 773 * register, the control register is at offset 2. Pass the generic 774 * code a handle for only one byte at the rigth offset. 775 */ 776 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, 777 &wdc_cp->ctl_ioh) != 0) { 778 printf("%s: unable to subregion %s channel ctl regs\n", 779 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 780 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 781 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); 782 return 0; 783 } 784 return (1); 785 } 786 787 void 788 pciide_mapreg_dma(sc, pa) 789 struct pciide_softc *sc; 790 struct pci_attach_args *pa; 791 { 792 pcireg_t maptype; 793 bus_addr_t addr; 794 795 /* 796 * Map DMA registers 797 * 798 * Note that sc_dma_ok is the right variable to test to see if 799 * DMA can be done. If the interface doesn't support DMA, 800 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 801 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 802 * non-zero if the interface supports DMA and the registers 803 * could be mapped. 804 * 805 * XXX Note that despite the fact that the Bus Master IDE specs 806 * XXX say that "The bus master IDE function uses 16 bytes of IO 807 * XXX space," some controllers (at least the United 808 * XXX Microelectronics UM8886BF) place it in memory space. 809 */ 810 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 811 PCIIDE_REG_BUS_MASTER_DMA); 812 813 switch (maptype) { 814 case PCI_MAPREG_TYPE_IO: 815 sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 816 PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO, 817 &addr, NULL, NULL) == 0); 818 if (sc->sc_dma_ok == 0) { 819 printf(", but unused (couldn't query registers)"); 820 break; 821 } 822 if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE) 823 && addr >= 0x10000) { 824 sc->sc_dma_ok = 0; 825 printf(", but unused (registers at unsafe address %#lx)", (unsigned long)addr); 826 break; 827 } 828 /* FALLTHROUGH */ 829 830 case PCI_MAPREG_MEM_TYPE_32BIT: 831 sc->sc_dma_ok = (pci_mapreg_map(pa, 832 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 833 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 834 sc->sc_dmat = pa->pa_dmat; 835 if (sc->sc_dma_ok == 0) { 836 printf(", but unused (couldn't map registers)"); 837 } else { 838 sc->sc_wdcdev.dma_arg = sc; 839 sc->sc_wdcdev.dma_init = pciide_dma_init; 840 sc->sc_wdcdev.dma_start = pciide_dma_start; 841 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 842 } 843 break; 844 845 default: 846 sc->sc_dma_ok = 0; 847 printf(", but unsupported register maptype (0x%x)", maptype); 848 } 849 } 850 851 int 852 pciide_compat_intr(arg) 853 void *arg; 854 { 855 struct pciide_channel *cp = arg; 856 857 #ifdef DIAGNOSTIC 858 /* should only be called for a compat channel */ 859 if (cp->compat == 0) 860 panic("pciide compat intr called for non-compat chan %p\n", cp); 861 #endif 862 return (wdcintr(&cp->wdc_channel)); 863 } 864 865 int 866 pciide_pci_intr(arg) 867 void *arg; 868 { 869 struct pciide_softc *sc = arg; 870 struct pciide_channel *cp; 871 struct channel_softc *wdc_cp; 872 int i, rv, crv; 873 874 rv = 0; 875 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 876 cp = &sc->pciide_channels[i]; 877 wdc_cp = &cp->wdc_channel; 878 879 /* If a compat channel skip. */ 880 if (cp->compat) 881 continue; 882 /* if this channel not waiting for intr, skip */ 883 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 884 continue; 885 886 crv = wdcintr(wdc_cp); 887 if (crv == 0) 888 ; /* leave rv alone */ 889 else if (crv == 1) 890 rv = 1; /* claim the intr */ 891 else if (rv == 0) /* crv should be -1 in this case */ 892 rv = crv; /* if we've done no better, take it */ 893 } 894 return (rv); 895 } 896 897 void 898 pciide_channel_dma_setup(cp) 899 struct pciide_channel *cp; 900 { 901 int drive; 902 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 903 struct ata_drive_datas *drvp; 904 905 for (drive = 0; drive < 2; drive++) { 906 drvp = &cp->wdc_channel.ch_drive[drive]; 907 /* If no drive, skip */ 908 if ((drvp->drive_flags & DRIVE) == 0) 909 continue; 910 /* setup DMA if needed */ 911 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 912 (drvp->drive_flags & DRIVE_UDMA) == 0) || 913 sc->sc_dma_ok == 0) { 914 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 915 continue; 916 } 917 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 918 != 0) { 919 /* Abort DMA setup */ 920 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 921 continue; 922 } 923 } 924 } 925 926 int 927 pciide_dma_table_setup(sc, channel, drive) 928 struct pciide_softc *sc; 929 int channel, drive; 930 { 931 bus_dma_segment_t seg; 932 int error, rseg; 933 const bus_size_t dma_table_size = 934 sizeof(struct idedma_table) * NIDEDMA_TABLES; 935 struct pciide_dma_maps *dma_maps = 936 &sc->pciide_channels[channel].dma_maps[drive]; 937 938 /* If table was already allocated, just return */ 939 if (dma_maps->dma_table) 940 return 0; 941 942 /* Allocate memory for the DMA tables and map it */ 943 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 944 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 945 BUS_DMA_NOWAIT)) != 0) { 946 printf("%s:%d: unable to allocate table DMA for " 947 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 948 channel, drive, error); 949 return error; 950 } 951 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 952 dma_table_size, 953 (caddr_t *)&dma_maps->dma_table, 954 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 955 printf("%s:%d: unable to map table DMA for" 956 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 957 channel, drive, error); 958 return error; 959 } 960 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %lu, " 961 "phy 0x%lx\n", dma_maps->dma_table, (u_long)dma_table_size, 962 (unsigned long)seg.ds_addr), DEBUG_PROBE); 963 964 /* Create and load table DMA map for this disk */ 965 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 966 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 967 &dma_maps->dmamap_table)) != 0) { 968 printf("%s:%d: unable to create table DMA map for " 969 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 970 channel, drive, error); 971 return error; 972 } 973 if ((error = bus_dmamap_load(sc->sc_dmat, 974 dma_maps->dmamap_table, 975 dma_maps->dma_table, 976 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 977 printf("%s:%d: unable to load table DMA map for " 978 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 979 channel, drive, error); 980 return error; 981 } 982 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 983 (unsigned long)dma_maps->dmamap_table->dm_segs[0].ds_addr), 984 DEBUG_PROBE); 985 /* Create a xfer DMA map for this drive */ 986 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 987 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN, 988 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 989 &dma_maps->dmamap_xfer)) != 0) { 990 printf("%s:%d: unable to create xfer DMA map for " 991 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 992 channel, drive, error); 993 return error; 994 } 995 return 0; 996 } 997 998 int 999 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 1000 void *v; 1001 int channel, drive; 1002 void *databuf; 1003 size_t datalen; 1004 int flags; 1005 { 1006 struct pciide_softc *sc = v; 1007 int error, seg; 1008 struct pciide_dma_maps *dma_maps = 1009 &sc->pciide_channels[channel].dma_maps[drive]; 1010 1011 error = bus_dmamap_load(sc->sc_dmat, 1012 dma_maps->dmamap_xfer, 1013 databuf, datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING | 1014 ((flags & WDC_DMA_READ) ? BUS_DMA_READ : BUS_DMA_WRITE)); 1015 if (error) { 1016 printf("%s:%d: unable to load xfer DMA map for" 1017 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1018 channel, drive, error); 1019 return error; 1020 } 1021 1022 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1023 dma_maps->dmamap_xfer->dm_mapsize, 1024 (flags & WDC_DMA_READ) ? 1025 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1026 1027 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 1028 #ifdef DIAGNOSTIC 1029 /* A segment must not cross a 64k boundary */ 1030 { 1031 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 1032 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 1033 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 1034 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 1035 printf("pciide_dma: segment %d physical addr 0x%lx" 1036 " len 0x%lx not properly aligned\n", 1037 seg, phys, len); 1038 panic("pciide_dma: buf align"); 1039 } 1040 } 1041 #endif 1042 dma_maps->dma_table[seg].base_addr = 1043 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 1044 dma_maps->dma_table[seg].byte_count = 1045 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 1046 IDEDMA_BYTE_COUNT_MASK); 1047 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 1048 seg, le32toh(dma_maps->dma_table[seg].byte_count), 1049 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 1050 1051 } 1052 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 1053 htole32(IDEDMA_BYTE_COUNT_EOT); 1054 1055 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 1056 dma_maps->dmamap_table->dm_mapsize, 1057 BUS_DMASYNC_PREWRITE); 1058 1059 /* Maps are ready. Start DMA function */ 1060 #ifdef DIAGNOSTIC 1061 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 1062 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 1063 (u_long)dma_maps->dmamap_table->dm_segs[0].ds_addr); 1064 panic("pciide_dma_init: table align"); 1065 } 1066 #endif 1067 1068 /* Clear status bits */ 1069 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1070 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 1071 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1072 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 1073 /* Write table addr */ 1074 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 1075 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 1076 dma_maps->dmamap_table->dm_segs[0].ds_addr); 1077 /* set read/write */ 1078 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1079 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1080 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 1081 /* remember flags */ 1082 dma_maps->dma_flags = flags; 1083 return 0; 1084 } 1085 1086 void 1087 pciide_dma_start(v, channel, drive) 1088 void *v; 1089 int channel, drive; 1090 { 1091 struct pciide_softc *sc = v; 1092 1093 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 1094 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1095 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1096 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1097 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 1098 } 1099 1100 int 1101 pciide_dma_finish(v, channel, drive, force) 1102 void *v; 1103 int channel, drive; 1104 int force; 1105 { 1106 struct pciide_softc *sc = v; 1107 u_int8_t status; 1108 int error = 0; 1109 struct pciide_dma_maps *dma_maps = 1110 &sc->pciide_channels[channel].dma_maps[drive]; 1111 1112 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1113 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 1114 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 1115 DEBUG_XFERS); 1116 1117 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 1118 return WDC_DMAST_NOIRQ; 1119 1120 /* stop DMA channel */ 1121 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1122 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1123 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1124 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1125 1126 /* Unload the map of the data buffer */ 1127 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1128 dma_maps->dmamap_xfer->dm_mapsize, 1129 (dma_maps->dma_flags & WDC_DMA_READ) ? 1130 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1131 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1132 1133 if ((status & IDEDMA_CTL_ERR) != 0) { 1134 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1135 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1136 error |= WDC_DMAST_ERR; 1137 } 1138 1139 if ((status & IDEDMA_CTL_INTR) == 0) { 1140 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1141 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1142 drive, status); 1143 error |= WDC_DMAST_NOIRQ; 1144 } 1145 1146 if ((status & IDEDMA_CTL_ACT) != 0) { 1147 /* data underrun, may be a valid condition for ATAPI */ 1148 error |= WDC_DMAST_UNDER; 1149 } 1150 return error; 1151 } 1152 1153 void 1154 pciide_irqack(chp) 1155 struct channel_softc *chp; 1156 { 1157 struct pciide_channel *cp = (struct pciide_channel*)chp; 1158 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1159 1160 /* clear status bits in IDE DMA registers */ 1161 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1162 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1163 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1164 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1165 } 1166 1167 /* some common code used by several chip_map */ 1168 int 1169 pciide_chansetup(sc, channel, interface) 1170 struct pciide_softc *sc; 1171 int channel; 1172 pcireg_t interface; 1173 { 1174 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1175 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1176 cp->name = PCIIDE_CHANNEL_NAME(channel); 1177 cp->wdc_channel.channel = channel; 1178 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1179 cp->wdc_channel.ch_queue = 1180 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1181 if (cp->wdc_channel.ch_queue == NULL) { 1182 printf("%s %s channel: " 1183 "can't allocate memory for command queue", 1184 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1185 return 0; 1186 } 1187 printf("%s: %s channel %s to %s mode\n", 1188 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1189 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1190 "configured" : "wired", 1191 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1192 "native-PCI" : "compatibility"); 1193 return 1; 1194 } 1195 1196 /* some common code used by several chip channel_map */ 1197 void 1198 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1199 struct pci_attach_args *pa; 1200 struct pciide_channel *cp; 1201 pcireg_t interface; 1202 bus_size_t *cmdsizep, *ctlsizep; 1203 int (*pci_intr) __P((void *)); 1204 { 1205 struct channel_softc *wdc_cp = &cp->wdc_channel; 1206 1207 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1208 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1209 pci_intr); 1210 else 1211 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1212 wdc_cp->channel, cmdsizep, ctlsizep); 1213 1214 if (cp->hw_ok == 0) 1215 return; 1216 wdc_cp->data32iot = wdc_cp->cmd_iot; 1217 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1218 wdcattach(wdc_cp); 1219 } 1220 1221 /* 1222 * Generic code to call to know if a channel can be disabled. Return 1 1223 * if channel can be disabled, 0 if not 1224 */ 1225 int 1226 pciide_chan_candisable(cp) 1227 struct pciide_channel *cp; 1228 { 1229 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1230 struct channel_softc *wdc_cp = &cp->wdc_channel; 1231 1232 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1233 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1234 printf("%s: disabling %s channel (no drives)\n", 1235 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1236 cp->hw_ok = 0; 1237 return 1; 1238 } 1239 return 0; 1240 } 1241 1242 /* 1243 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1244 * Set hw_ok=0 on failure 1245 */ 1246 void 1247 pciide_map_compat_intr(pa, cp, compatchan, interface) 1248 struct pci_attach_args *pa; 1249 struct pciide_channel *cp; 1250 int compatchan, interface; 1251 { 1252 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1253 struct channel_softc *wdc_cp = &cp->wdc_channel; 1254 1255 if (cp->hw_ok == 0) 1256 return; 1257 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1258 return; 1259 1260 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 1261 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1262 pa, compatchan, pciide_compat_intr, cp); 1263 if (cp->ih == NULL) { 1264 #endif 1265 printf("%s: no compatibility interrupt for use by %s " 1266 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1267 cp->hw_ok = 0; 1268 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 1269 } 1270 #endif 1271 } 1272 1273 void 1274 pciide_print_modes(cp) 1275 struct pciide_channel *cp; 1276 { 1277 wdc_print_modes(&cp->wdc_channel); 1278 } 1279 1280 void 1281 default_chip_map(sc, pa) 1282 struct pciide_softc *sc; 1283 struct pci_attach_args *pa; 1284 { 1285 struct pciide_channel *cp; 1286 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1287 pcireg_t csr; 1288 int channel, drive; 1289 struct ata_drive_datas *drvp; 1290 u_int8_t idedma_ctl; 1291 bus_size_t cmdsize, ctlsize; 1292 char *failreason; 1293 1294 if (pciide_chipen(sc, pa) == 0) 1295 return; 1296 1297 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1298 printf("%s: bus-master DMA support present", 1299 sc->sc_wdcdev.sc_dev.dv_xname); 1300 if (sc->sc_pp == &default_product_desc && 1301 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1302 PCIIDE_OPTIONS_DMA) == 0) { 1303 printf(", but unused (no driver support)"); 1304 sc->sc_dma_ok = 0; 1305 } else { 1306 pciide_mapreg_dma(sc, pa); 1307 if (sc->sc_dma_ok != 0) 1308 printf(", used without full driver " 1309 "support"); 1310 } 1311 } else { 1312 printf("%s: hardware does not support DMA", 1313 sc->sc_wdcdev.sc_dev.dv_xname); 1314 sc->sc_dma_ok = 0; 1315 } 1316 printf("\n"); 1317 if (sc->sc_dma_ok) { 1318 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1319 sc->sc_wdcdev.irqack = pciide_irqack; 1320 } 1321 sc->sc_wdcdev.PIO_cap = 0; 1322 sc->sc_wdcdev.DMA_cap = 0; 1323 1324 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1325 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1326 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1327 1328 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1329 cp = &sc->pciide_channels[channel]; 1330 if (pciide_chansetup(sc, channel, interface) == 0) 1331 continue; 1332 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1333 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1334 &ctlsize, pciide_pci_intr); 1335 } else { 1336 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1337 channel, &cmdsize, &ctlsize); 1338 } 1339 if (cp->hw_ok == 0) 1340 continue; 1341 /* 1342 * Check to see if something appears to be there. 1343 */ 1344 failreason = NULL; 1345 if (!wdcprobe(&cp->wdc_channel)) { 1346 failreason = "not responding; disabled or no drives?"; 1347 goto next; 1348 } 1349 /* 1350 * Now, make sure it's actually attributable to this PCI IDE 1351 * channel by trying to access the channel again while the 1352 * PCI IDE controller's I/O space is disabled. (If the 1353 * channel no longer appears to be there, it belongs to 1354 * this controller.) YUCK! 1355 */ 1356 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1357 PCI_COMMAND_STATUS_REG); 1358 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1359 csr & ~PCI_COMMAND_IO_ENABLE); 1360 if (wdcprobe(&cp->wdc_channel)) 1361 failreason = "other hardware responding at addresses"; 1362 pci_conf_write(sc->sc_pc, sc->sc_tag, 1363 PCI_COMMAND_STATUS_REG, csr); 1364 next: 1365 if (failreason) { 1366 printf("%s: %s channel ignored (%s)\n", 1367 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1368 failreason); 1369 cp->hw_ok = 0; 1370 bus_space_unmap(cp->wdc_channel.cmd_iot, 1371 cp->wdc_channel.cmd_ioh, cmdsize); 1372 bus_space_unmap(cp->wdc_channel.ctl_iot, 1373 cp->wdc_channel.ctl_ioh, ctlsize); 1374 } else { 1375 pciide_map_compat_intr(pa, cp, channel, interface); 1376 } 1377 if (cp->hw_ok) { 1378 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1379 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1380 wdcattach(&cp->wdc_channel); 1381 } 1382 } 1383 1384 if (sc->sc_dma_ok == 0) 1385 return; 1386 1387 /* Allocate DMA maps */ 1388 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1389 idedma_ctl = 0; 1390 cp = &sc->pciide_channels[channel]; 1391 for (drive = 0; drive < 2; drive++) { 1392 drvp = &cp->wdc_channel.ch_drive[drive]; 1393 /* If no drive, skip */ 1394 if ((drvp->drive_flags & DRIVE) == 0) 1395 continue; 1396 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1397 continue; 1398 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1399 /* Abort DMA setup */ 1400 printf("%s:%d:%d: can't allocate DMA maps, " 1401 "using PIO transfers\n", 1402 sc->sc_wdcdev.sc_dev.dv_xname, 1403 channel, drive); 1404 drvp->drive_flags &= ~DRIVE_DMA; 1405 } 1406 printf("%s:%d:%d: using DMA data transfers\n", 1407 sc->sc_wdcdev.sc_dev.dv_xname, 1408 channel, drive); 1409 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1410 } 1411 if (idedma_ctl != 0) { 1412 /* Add software bits in status register */ 1413 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1414 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1415 idedma_ctl); 1416 } 1417 } 1418 } 1419 1420 void 1421 piix_chip_map(sc, pa) 1422 struct pciide_softc *sc; 1423 struct pci_attach_args *pa; 1424 { 1425 struct pciide_channel *cp; 1426 int channel; 1427 u_int32_t idetim; 1428 bus_size_t cmdsize, ctlsize; 1429 1430 if (pciide_chipen(sc, pa) == 0) 1431 return; 1432 1433 printf("%s: bus-master DMA support present", 1434 sc->sc_wdcdev.sc_dev.dv_xname); 1435 pciide_mapreg_dma(sc, pa); 1436 printf("\n"); 1437 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1438 WDC_CAPABILITY_MODE; 1439 if (sc->sc_dma_ok) { 1440 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1441 sc->sc_wdcdev.irqack = pciide_irqack; 1442 switch(sc->sc_pp->ide_product) { 1443 case PCI_PRODUCT_INTEL_82371AB_IDE: 1444 case PCI_PRODUCT_INTEL_82440MX_IDE: 1445 case PCI_PRODUCT_INTEL_82801AA_IDE: 1446 case PCI_PRODUCT_INTEL_82801AB_IDE: 1447 case PCI_PRODUCT_INTEL_82801BA_IDE: 1448 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1449 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1450 } 1451 } 1452 sc->sc_wdcdev.PIO_cap = 4; 1453 sc->sc_wdcdev.DMA_cap = 2; 1454 switch(sc->sc_pp->ide_product) { 1455 case PCI_PRODUCT_INTEL_82801AA_IDE: 1456 sc->sc_wdcdev.UDMA_cap = 4; 1457 break; 1458 case PCI_PRODUCT_INTEL_82801BA_IDE: 1459 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1460 sc->sc_wdcdev.UDMA_cap = 5; 1461 break; 1462 default: 1463 sc->sc_wdcdev.UDMA_cap = 2; 1464 } 1465 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1466 sc->sc_wdcdev.set_modes = piix_setup_channel; 1467 else 1468 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1469 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1470 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1471 1472 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1473 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1474 DEBUG_PROBE); 1475 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1476 WDCDEBUG_PRINT((", sidetim=0x%x", 1477 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1478 DEBUG_PROBE); 1479 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1480 WDCDEBUG_PRINT((", udamreg 0x%x", 1481 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1482 DEBUG_PROBE); 1483 } 1484 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1485 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1486 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1487 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1488 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1489 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1490 DEBUG_PROBE); 1491 } 1492 1493 } 1494 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1495 1496 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1497 cp = &sc->pciide_channels[channel]; 1498 /* PIIX is compat-only */ 1499 if (pciide_chansetup(sc, channel, 0) == 0) 1500 continue; 1501 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1502 if ((PIIX_IDETIM_READ(idetim, channel) & 1503 PIIX_IDETIM_IDE) == 0) { 1504 printf("%s: %s channel ignored (disabled)\n", 1505 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1506 continue; 1507 } 1508 /* PIIX are compat-only pciide devices */ 1509 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1510 if (cp->hw_ok == 0) 1511 continue; 1512 if (pciide_chan_candisable(cp)) { 1513 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1514 channel); 1515 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1516 idetim); 1517 } 1518 pciide_map_compat_intr(pa, cp, channel, 0); 1519 if (cp->hw_ok == 0) 1520 continue; 1521 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1522 } 1523 1524 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1525 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1526 DEBUG_PROBE); 1527 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1528 WDCDEBUG_PRINT((", sidetim=0x%x", 1529 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1530 DEBUG_PROBE); 1531 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1532 WDCDEBUG_PRINT((", udamreg 0x%x", 1533 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1534 DEBUG_PROBE); 1535 } 1536 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1537 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1538 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1539 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1540 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1541 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1542 DEBUG_PROBE); 1543 } 1544 } 1545 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1546 } 1547 1548 void 1549 piix_setup_channel(chp) 1550 struct channel_softc *chp; 1551 { 1552 u_int8_t mode[2], drive; 1553 u_int32_t oidetim, idetim, idedma_ctl; 1554 struct pciide_channel *cp = (struct pciide_channel*)chp; 1555 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1556 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1557 1558 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1559 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1560 idedma_ctl = 0; 1561 1562 /* set up new idetim: Enable IDE registers decode */ 1563 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1564 chp->channel); 1565 1566 /* setup DMA */ 1567 pciide_channel_dma_setup(cp); 1568 1569 /* 1570 * Here we have to mess up with drives mode: PIIX can't have 1571 * different timings for master and slave drives. 1572 * We need to find the best combination. 1573 */ 1574 1575 /* If both drives supports DMA, take the lower mode */ 1576 if ((drvp[0].drive_flags & DRIVE_DMA) && 1577 (drvp[1].drive_flags & DRIVE_DMA)) { 1578 mode[0] = mode[1] = 1579 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1580 drvp[0].DMA_mode = mode[0]; 1581 drvp[1].DMA_mode = mode[1]; 1582 goto ok; 1583 } 1584 /* 1585 * If only one drive supports DMA, use its mode, and 1586 * put the other one in PIO mode 0 if mode not compatible 1587 */ 1588 if (drvp[0].drive_flags & DRIVE_DMA) { 1589 mode[0] = drvp[0].DMA_mode; 1590 mode[1] = drvp[1].PIO_mode; 1591 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1592 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1593 mode[1] = drvp[1].PIO_mode = 0; 1594 goto ok; 1595 } 1596 if (drvp[1].drive_flags & DRIVE_DMA) { 1597 mode[1] = drvp[1].DMA_mode; 1598 mode[0] = drvp[0].PIO_mode; 1599 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1600 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1601 mode[0] = drvp[0].PIO_mode = 0; 1602 goto ok; 1603 } 1604 /* 1605 * If both drives are not DMA, takes the lower mode, unless 1606 * one of them is PIO mode < 2 1607 */ 1608 if (drvp[0].PIO_mode < 2) { 1609 mode[0] = drvp[0].PIO_mode = 0; 1610 mode[1] = drvp[1].PIO_mode; 1611 } else if (drvp[1].PIO_mode < 2) { 1612 mode[1] = drvp[1].PIO_mode = 0; 1613 mode[0] = drvp[0].PIO_mode; 1614 } else { 1615 mode[0] = mode[1] = 1616 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1617 drvp[0].PIO_mode = mode[0]; 1618 drvp[1].PIO_mode = mode[1]; 1619 } 1620 ok: /* The modes are setup */ 1621 for (drive = 0; drive < 2; drive++) { 1622 if (drvp[drive].drive_flags & DRIVE_DMA) { 1623 idetim |= piix_setup_idetim_timings( 1624 mode[drive], 1, chp->channel); 1625 goto end; 1626 } 1627 } 1628 /* If we are there, none of the drives are DMA */ 1629 if (mode[0] >= 2) 1630 idetim |= piix_setup_idetim_timings( 1631 mode[0], 0, chp->channel); 1632 else 1633 idetim |= piix_setup_idetim_timings( 1634 mode[1], 0, chp->channel); 1635 end: /* 1636 * timing mode is now set up in the controller. Enable 1637 * it per-drive 1638 */ 1639 for (drive = 0; drive < 2; drive++) { 1640 /* If no drive, skip */ 1641 if ((drvp[drive].drive_flags & DRIVE) == 0) 1642 continue; 1643 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1644 if (drvp[drive].drive_flags & DRIVE_DMA) 1645 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1646 } 1647 if (idedma_ctl != 0) { 1648 /* Add software bits in status register */ 1649 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1650 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1651 idedma_ctl); 1652 } 1653 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1654 pciide_print_modes(cp); 1655 } 1656 1657 void 1658 piix3_4_setup_channel(chp) 1659 struct channel_softc *chp; 1660 { 1661 struct ata_drive_datas *drvp; 1662 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1663 struct pciide_channel *cp = (struct pciide_channel*)chp; 1664 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1665 int drive; 1666 int channel = chp->channel; 1667 1668 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1669 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1670 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1671 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1672 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1673 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1674 PIIX_SIDETIM_RTC_MASK(channel)); 1675 1676 idedma_ctl = 0; 1677 /* If channel disabled, no need to go further */ 1678 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1679 return; 1680 /* set up new idetim: Enable IDE registers decode */ 1681 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1682 1683 /* setup DMA if needed */ 1684 pciide_channel_dma_setup(cp); 1685 1686 for (drive = 0; drive < 2; drive++) { 1687 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1688 PIIX_UDMATIM_SET(0x3, channel, drive)); 1689 drvp = &chp->ch_drive[drive]; 1690 /* If no drive, skip */ 1691 if ((drvp->drive_flags & DRIVE) == 0) 1692 continue; 1693 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1694 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1695 goto pio; 1696 1697 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1698 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1699 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1700 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1701 ideconf |= PIIX_CONFIG_PINGPONG; 1702 } 1703 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1704 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1705 /* setup Ultra/100 */ 1706 if (drvp->UDMA_mode > 2 && 1707 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1708 drvp->UDMA_mode = 2; 1709 if (drvp->UDMA_mode > 4) { 1710 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1711 } else { 1712 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1713 if (drvp->UDMA_mode > 2) { 1714 ideconf |= PIIX_CONFIG_UDMA66(channel, 1715 drive); 1716 } else { 1717 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1718 drive); 1719 } 1720 } 1721 } 1722 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1723 /* setup Ultra/66 */ 1724 if (drvp->UDMA_mode > 2 && 1725 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1726 drvp->UDMA_mode = 2; 1727 if (drvp->UDMA_mode > 2) 1728 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1729 else 1730 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1731 } 1732 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1733 (drvp->drive_flags & DRIVE_UDMA)) { 1734 /* use Ultra/DMA */ 1735 drvp->drive_flags &= ~DRIVE_DMA; 1736 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1737 udmareg |= PIIX_UDMATIM_SET( 1738 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1739 } else { 1740 /* use Multiword DMA */ 1741 drvp->drive_flags &= ~DRIVE_UDMA; 1742 if (drive == 0) { 1743 idetim |= piix_setup_idetim_timings( 1744 drvp->DMA_mode, 1, channel); 1745 } else { 1746 sidetim |= piix_setup_sidetim_timings( 1747 drvp->DMA_mode, 1, channel); 1748 idetim =PIIX_IDETIM_SET(idetim, 1749 PIIX_IDETIM_SITRE, channel); 1750 } 1751 } 1752 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1753 1754 pio: /* use PIO mode */ 1755 idetim |= piix_setup_idetim_drvs(drvp); 1756 if (drive == 0) { 1757 idetim |= piix_setup_idetim_timings( 1758 drvp->PIO_mode, 0, channel); 1759 } else { 1760 sidetim |= piix_setup_sidetim_timings( 1761 drvp->PIO_mode, 0, channel); 1762 idetim =PIIX_IDETIM_SET(idetim, 1763 PIIX_IDETIM_SITRE, channel); 1764 } 1765 } 1766 if (idedma_ctl != 0) { 1767 /* Add software bits in status register */ 1768 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1769 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1770 idedma_ctl); 1771 } 1772 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1773 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1774 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1775 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1776 pciide_print_modes(cp); 1777 } 1778 1779 1780 /* setup ISP and RTC fields, based on mode */ 1781 static u_int32_t 1782 piix_setup_idetim_timings(mode, dma, channel) 1783 u_int8_t mode; 1784 u_int8_t dma; 1785 u_int8_t channel; 1786 { 1787 1788 if (dma) 1789 return PIIX_IDETIM_SET(0, 1790 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1791 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1792 channel); 1793 else 1794 return PIIX_IDETIM_SET(0, 1795 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1796 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1797 channel); 1798 } 1799 1800 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1801 static u_int32_t 1802 piix_setup_idetim_drvs(drvp) 1803 struct ata_drive_datas *drvp; 1804 { 1805 u_int32_t ret = 0; 1806 struct channel_softc *chp = drvp->chnl_softc; 1807 u_int8_t channel = chp->channel; 1808 u_int8_t drive = drvp->drive; 1809 1810 /* 1811 * If drive is using UDMA, timings setups are independant 1812 * So just check DMA and PIO here. 1813 */ 1814 if (drvp->drive_flags & DRIVE_DMA) { 1815 /* if mode = DMA mode 0, use compatible timings */ 1816 if ((drvp->drive_flags & DRIVE_DMA) && 1817 drvp->DMA_mode == 0) { 1818 drvp->PIO_mode = 0; 1819 return ret; 1820 } 1821 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1822 /* 1823 * PIO and DMA timings are the same, use fast timings for PIO 1824 * too, else use compat timings. 1825 */ 1826 if ((piix_isp_pio[drvp->PIO_mode] != 1827 piix_isp_dma[drvp->DMA_mode]) || 1828 (piix_rtc_pio[drvp->PIO_mode] != 1829 piix_rtc_dma[drvp->DMA_mode])) 1830 drvp->PIO_mode = 0; 1831 /* if PIO mode <= 2, use compat timings for PIO */ 1832 if (drvp->PIO_mode <= 2) { 1833 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1834 channel); 1835 return ret; 1836 } 1837 } 1838 1839 /* 1840 * Now setup PIO modes. If mode < 2, use compat timings. 1841 * Else enable fast timings. Enable IORDY and prefetch/post 1842 * if PIO mode >= 3. 1843 */ 1844 1845 if (drvp->PIO_mode < 2) 1846 return ret; 1847 1848 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1849 if (drvp->PIO_mode >= 3) { 1850 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1851 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1852 } 1853 return ret; 1854 } 1855 1856 /* setup values in SIDETIM registers, based on mode */ 1857 static u_int32_t 1858 piix_setup_sidetim_timings(mode, dma, channel) 1859 u_int8_t mode; 1860 u_int8_t dma; 1861 u_int8_t channel; 1862 { 1863 if (dma) 1864 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1865 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1866 else 1867 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1868 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1869 } 1870 1871 void 1872 amd7x6_chip_map(sc, pa) 1873 struct pciide_softc *sc; 1874 struct pci_attach_args *pa; 1875 { 1876 struct pciide_channel *cp; 1877 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1878 int channel; 1879 pcireg_t chanenable; 1880 bus_size_t cmdsize, ctlsize; 1881 1882 if (pciide_chipen(sc, pa) == 0) 1883 return; 1884 printf("%s: bus-master DMA support present", 1885 sc->sc_wdcdev.sc_dev.dv_xname); 1886 pciide_mapreg_dma(sc, pa); 1887 printf("\n"); 1888 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1889 WDC_CAPABILITY_MODE; 1890 if (sc->sc_dma_ok) { 1891 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1892 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1893 sc->sc_wdcdev.irqack = pciide_irqack; 1894 } 1895 sc->sc_wdcdev.PIO_cap = 4; 1896 sc->sc_wdcdev.DMA_cap = 2; 1897 1898 if (sc->sc_pp->ide_product == PCI_PRODUCT_AMD_PBC766_IDE) 1899 sc->sc_wdcdev.UDMA_cap = 5; 1900 else 1901 sc->sc_wdcdev.UDMA_cap = 4; 1902 sc->sc_wdcdev.set_modes = amd7x6_setup_channel; 1903 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1904 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1905 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN); 1906 1907 WDCDEBUG_PRINT(("amd7x6_chip_map: Channel enable=0x%x\n", chanenable), 1908 DEBUG_PROBE); 1909 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1910 cp = &sc->pciide_channels[channel]; 1911 if (pciide_chansetup(sc, channel, interface) == 0) 1912 continue; 1913 1914 if ((chanenable & AMD7X6_CHAN_EN(channel)) == 0) { 1915 printf("%s: %s channel ignored (disabled)\n", 1916 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1917 continue; 1918 } 1919 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1920 pciide_pci_intr); 1921 1922 if (pciide_chan_candisable(cp)) 1923 chanenable &= ~AMD7X6_CHAN_EN(channel); 1924 pciide_map_compat_intr(pa, cp, channel, interface); 1925 if (cp->hw_ok == 0) 1926 continue; 1927 1928 amd7x6_setup_channel(&cp->wdc_channel); 1929 } 1930 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN, 1931 chanenable); 1932 return; 1933 } 1934 1935 void 1936 amd7x6_setup_channel(chp) 1937 struct channel_softc *chp; 1938 { 1939 u_int32_t udmatim_reg, datatim_reg; 1940 u_int8_t idedma_ctl; 1941 int mode, drive; 1942 struct ata_drive_datas *drvp; 1943 struct pciide_channel *cp = (struct pciide_channel*)chp; 1944 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1945 #ifndef PCIIDE_AMD756_ENABLEDMA 1946 int rev = PCI_REVISION( 1947 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 1948 #endif 1949 1950 idedma_ctl = 0; 1951 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM); 1952 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA); 1953 datatim_reg &= ~AMD7X6_DATATIM_MASK(chp->channel); 1954 udmatim_reg &= ~AMD7X6_UDMA_MASK(chp->channel); 1955 1956 /* setup DMA if needed */ 1957 pciide_channel_dma_setup(cp); 1958 1959 for (drive = 0; drive < 2; drive++) { 1960 drvp = &chp->ch_drive[drive]; 1961 /* If no drive, skip */ 1962 if ((drvp->drive_flags & DRIVE) == 0) 1963 continue; 1964 /* add timing values, setup DMA if needed */ 1965 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1966 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1967 mode = drvp->PIO_mode; 1968 goto pio; 1969 } 1970 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1971 (drvp->drive_flags & DRIVE_UDMA)) { 1972 /* use Ultra/DMA */ 1973 drvp->drive_flags &= ~DRIVE_DMA; 1974 udmatim_reg |= AMD7X6_UDMA_EN(chp->channel, drive) | 1975 AMD7X6_UDMA_EN_MTH(chp->channel, drive) | 1976 AMD7X6_UDMA_TIME(chp->channel, drive, 1977 amd7x6_udma_tim[drvp->UDMA_mode]); 1978 /* can use PIO timings, MW DMA unused */ 1979 mode = drvp->PIO_mode; 1980 } else { 1981 /* use Multiword DMA, but only if revision is OK */ 1982 drvp->drive_flags &= ~DRIVE_UDMA; 1983 #ifndef PCIIDE_AMD756_ENABLEDMA 1984 /* 1985 * The workaround doesn't seem to be necessary 1986 * with all drives, so it can be disabled by 1987 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 1988 * triggered. 1989 */ 1990 if (sc->sc_pp->ide_product == 1991 PCI_PRODUCT_AMD_PBC756_IDE && 1992 AMD756_CHIPREV_DISABLEDMA(rev)) { 1993 printf("%s:%d:%d: multi-word DMA disabled due " 1994 "to chip revision\n", 1995 sc->sc_wdcdev.sc_dev.dv_xname, 1996 chp->channel, drive); 1997 mode = drvp->PIO_mode; 1998 drvp->drive_flags &= ~DRIVE_DMA; 1999 goto pio; 2000 } 2001 #endif 2002 /* mode = min(pio, dma+2) */ 2003 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2004 mode = drvp->PIO_mode; 2005 else 2006 mode = drvp->DMA_mode + 2; 2007 } 2008 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2009 2010 pio: /* setup PIO mode */ 2011 if (mode <= 2) { 2012 drvp->DMA_mode = 0; 2013 drvp->PIO_mode = 0; 2014 mode = 0; 2015 } else { 2016 drvp->PIO_mode = mode; 2017 drvp->DMA_mode = mode - 2; 2018 } 2019 datatim_reg |= 2020 AMD7X6_DATATIM_PULSE(chp->channel, drive, 2021 amd7x6_pio_set[mode]) | 2022 AMD7X6_DATATIM_RECOV(chp->channel, drive, 2023 amd7x6_pio_rec[mode]); 2024 } 2025 if (idedma_ctl != 0) { 2026 /* Add software bits in status register */ 2027 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2028 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2029 idedma_ctl); 2030 } 2031 pciide_print_modes(cp); 2032 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM, datatim_reg); 2033 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA, udmatim_reg); 2034 } 2035 2036 void 2037 apollo_chip_map(sc, pa) 2038 struct pciide_softc *sc; 2039 struct pci_attach_args *pa; 2040 { 2041 struct pciide_channel *cp; 2042 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2043 int channel; 2044 u_int32_t ideconf; 2045 bus_size_t cmdsize, ctlsize; 2046 pcitag_t pcib_tag; 2047 pcireg_t pcib_id, pcib_class; 2048 2049 if (pciide_chipen(sc, pa) == 0) 2050 return; 2051 /* get a PCI tag for the ISA bridge (function 0 of the same device) */ 2052 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 2053 /* and read ID and rev of the ISA bridge */ 2054 pcib_id = pci_conf_read(sc->sc_pc, pcib_tag, PCI_ID_REG); 2055 pcib_class = pci_conf_read(sc->sc_pc, pcib_tag, PCI_CLASS_REG); 2056 printf(": VIA Technologies "); 2057 switch (PCI_PRODUCT(pcib_id)) { 2058 case PCI_PRODUCT_VIATECH_VT82C586_ISA: 2059 printf("VT82C586 (Apollo VP) "); 2060 if(PCI_REVISION(pcib_class) >= 0x02) { 2061 printf("ATA33 controller\n"); 2062 sc->sc_wdcdev.UDMA_cap = 2; 2063 } else { 2064 printf("controller\n"); 2065 sc->sc_wdcdev.UDMA_cap = 0; 2066 } 2067 break; 2068 case PCI_PRODUCT_VIATECH_VT82C596A: 2069 printf("VT82C596A (Apollo Pro) "); 2070 if (PCI_REVISION(pcib_class) >= 0x12) { 2071 printf("ATA66 controller\n"); 2072 sc->sc_wdcdev.UDMA_cap = 4; 2073 } else { 2074 printf("ATA33 controller\n"); 2075 sc->sc_wdcdev.UDMA_cap = 2; 2076 } 2077 break; 2078 case PCI_PRODUCT_VIATECH_VT82C686A_ISA: 2079 printf("VT82C686A (Apollo KX133) "); 2080 if (PCI_REVISION(pcib_class) >= 0x40) { 2081 printf("ATA100 controller\n"); 2082 sc->sc_wdcdev.UDMA_cap = 5; 2083 } else { 2084 printf("ATA66 controller\n"); 2085 sc->sc_wdcdev.UDMA_cap = 4; 2086 } 2087 break; 2088 default: 2089 printf("unknown ATA controller\n"); 2090 sc->sc_wdcdev.UDMA_cap = 0; 2091 } 2092 2093 printf("%s: bus-master DMA support present", 2094 sc->sc_wdcdev.sc_dev.dv_xname); 2095 pciide_mapreg_dma(sc, pa); 2096 printf("\n"); 2097 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2098 WDC_CAPABILITY_MODE; 2099 if (sc->sc_dma_ok) { 2100 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2101 sc->sc_wdcdev.irqack = pciide_irqack; 2102 if (sc->sc_wdcdev.UDMA_cap > 0) 2103 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2104 } 2105 sc->sc_wdcdev.PIO_cap = 4; 2106 sc->sc_wdcdev.DMA_cap = 2; 2107 sc->sc_wdcdev.set_modes = apollo_setup_channel; 2108 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2109 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2110 2111 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 2112 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2113 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 2114 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 2115 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2116 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), 2117 DEBUG_PROBE); 2118 2119 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2120 cp = &sc->pciide_channels[channel]; 2121 if (pciide_chansetup(sc, channel, interface) == 0) 2122 continue; 2123 2124 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 2125 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 2126 printf("%s: %s channel ignored (disabled)\n", 2127 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2128 continue; 2129 } 2130 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2131 pciide_pci_intr); 2132 if (cp->hw_ok == 0) 2133 continue; 2134 if (pciide_chan_candisable(cp)) { 2135 ideconf &= ~APO_IDECONF_EN(channel); 2136 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2137 ideconf); 2138 } 2139 pciide_map_compat_intr(pa, cp, channel, interface); 2140 2141 if (cp->hw_ok == 0) 2142 continue; 2143 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2144 } 2145 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2146 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2147 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2148 } 2149 2150 void 2151 apollo_setup_channel(chp) 2152 struct channel_softc *chp; 2153 { 2154 u_int32_t udmatim_reg, datatim_reg; 2155 u_int8_t idedma_ctl; 2156 int mode, drive; 2157 struct ata_drive_datas *drvp; 2158 struct pciide_channel *cp = (struct pciide_channel*)chp; 2159 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2160 2161 idedma_ctl = 0; 2162 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2163 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2164 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2165 udmatim_reg &= ~APO_UDMA_MASK(chp->channel); 2166 2167 /* setup DMA if needed */ 2168 pciide_channel_dma_setup(cp); 2169 2170 for (drive = 0; drive < 2; drive++) { 2171 drvp = &chp->ch_drive[drive]; 2172 /* If no drive, skip */ 2173 if ((drvp->drive_flags & DRIVE) == 0) 2174 continue; 2175 /* add timing values, setup DMA if needed */ 2176 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2177 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2178 mode = drvp->PIO_mode; 2179 goto pio; 2180 } 2181 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2182 (drvp->drive_flags & DRIVE_UDMA)) { 2183 /* use Ultra/DMA */ 2184 drvp->drive_flags &= ~DRIVE_DMA; 2185 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2186 APO_UDMA_EN_MTH(chp->channel, drive); 2187 if (sc->sc_wdcdev.UDMA_cap == 5) { 2188 /* 686b */ 2189 udmatim_reg |= APO_UDMA_CLK66(chp->channel); 2190 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2191 drive, apollo_udma100_tim[drvp->UDMA_mode]); 2192 } else if (sc->sc_wdcdev.UDMA_cap == 4) { 2193 /* 596b or 686a */ 2194 udmatim_reg |= APO_UDMA_CLK66(chp->channel); 2195 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2196 drive, apollo_udma66_tim[drvp->UDMA_mode]); 2197 } else { 2198 /* 596a or 586b */ 2199 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2200 drive, apollo_udma33_tim[drvp->UDMA_mode]); 2201 } 2202 /* can use PIO timings, MW DMA unused */ 2203 mode = drvp->PIO_mode; 2204 } else { 2205 /* use Multiword DMA */ 2206 drvp->drive_flags &= ~DRIVE_UDMA; 2207 /* mode = min(pio, dma+2) */ 2208 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2209 mode = drvp->PIO_mode; 2210 else 2211 mode = drvp->DMA_mode + 2; 2212 } 2213 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2214 2215 pio: /* setup PIO mode */ 2216 if (mode <= 2) { 2217 drvp->DMA_mode = 0; 2218 drvp->PIO_mode = 0; 2219 mode = 0; 2220 } else { 2221 drvp->PIO_mode = mode; 2222 drvp->DMA_mode = mode - 2; 2223 } 2224 datatim_reg |= 2225 APO_DATATIM_PULSE(chp->channel, drive, 2226 apollo_pio_set[mode]) | 2227 APO_DATATIM_RECOV(chp->channel, drive, 2228 apollo_pio_rec[mode]); 2229 } 2230 if (idedma_ctl != 0) { 2231 /* Add software bits in status register */ 2232 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2233 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2234 idedma_ctl); 2235 } 2236 pciide_print_modes(cp); 2237 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2238 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2239 } 2240 2241 void 2242 cmd_channel_map(pa, sc, channel) 2243 struct pci_attach_args *pa; 2244 struct pciide_softc *sc; 2245 int channel; 2246 { 2247 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2248 bus_size_t cmdsize, ctlsize; 2249 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2250 int interface; 2251 2252 /* 2253 * The 0648/0649 can be told to identify as a RAID controller. 2254 * In this case, we have to fake interface 2255 */ 2256 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2257 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2258 PCIIDE_INTERFACE_SETTABLE(1); 2259 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2260 CMD_CONF_DSA1) 2261 interface |= PCIIDE_INTERFACE_PCI(0) | 2262 PCIIDE_INTERFACE_PCI(1); 2263 } else { 2264 interface = PCI_INTERFACE(pa->pa_class); 2265 } 2266 2267 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2268 cp->name = PCIIDE_CHANNEL_NAME(channel); 2269 cp->wdc_channel.channel = channel; 2270 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2271 2272 if (channel > 0) { 2273 cp->wdc_channel.ch_queue = 2274 sc->pciide_channels[0].wdc_channel.ch_queue; 2275 } else { 2276 cp->wdc_channel.ch_queue = 2277 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2278 } 2279 if (cp->wdc_channel.ch_queue == NULL) { 2280 printf("%s %s channel: " 2281 "can't allocate memory for command queue", 2282 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2283 return; 2284 } 2285 2286 printf("%s: %s channel %s to %s mode\n", 2287 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2288 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2289 "configured" : "wired", 2290 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2291 "native-PCI" : "compatibility"); 2292 2293 /* 2294 * with a CMD PCI64x, if we get here, the first channel is enabled: 2295 * there's no way to disable the first channel without disabling 2296 * the whole device 2297 */ 2298 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2299 printf("%s: %s channel ignored (disabled)\n", 2300 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2301 return; 2302 } 2303 2304 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2305 if (cp->hw_ok == 0) 2306 return; 2307 if (channel == 1) { 2308 if (pciide_chan_candisable(cp)) { 2309 ctrl &= ~CMD_CTRL_2PORT; 2310 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2311 CMD_CTRL, ctrl); 2312 } 2313 } 2314 pciide_map_compat_intr(pa, cp, channel, interface); 2315 } 2316 2317 int 2318 cmd_pci_intr(arg) 2319 void *arg; 2320 { 2321 struct pciide_softc *sc = arg; 2322 struct pciide_channel *cp; 2323 struct channel_softc *wdc_cp; 2324 int i, rv, crv; 2325 u_int32_t priirq, secirq; 2326 2327 rv = 0; 2328 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2329 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2330 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2331 cp = &sc->pciide_channels[i]; 2332 wdc_cp = &cp->wdc_channel; 2333 /* If a compat channel skip. */ 2334 if (cp->compat) 2335 continue; 2336 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2337 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2338 crv = wdcintr(wdc_cp); 2339 if (crv == 0) 2340 printf("%s:%d: bogus intr\n", 2341 sc->sc_wdcdev.sc_dev.dv_xname, i); 2342 else 2343 rv = 1; 2344 } 2345 } 2346 return rv; 2347 } 2348 2349 void 2350 cmd_chip_map(sc, pa) 2351 struct pciide_softc *sc; 2352 struct pci_attach_args *pa; 2353 { 2354 int channel; 2355 2356 /* 2357 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2358 * and base adresses registers can be disabled at 2359 * hardware level. In this case, the device is wired 2360 * in compat mode and its first channel is always enabled, 2361 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2362 * In fact, it seems that the first channel of the CMD PCI0640 2363 * can't be disabled. 2364 */ 2365 2366 #ifdef PCIIDE_CMD064x_DISABLE 2367 if (pciide_chipen(sc, pa) == 0) 2368 return; 2369 #endif 2370 2371 printf("%s: hardware does not support DMA\n", 2372 sc->sc_wdcdev.sc_dev.dv_xname); 2373 sc->sc_dma_ok = 0; 2374 2375 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2376 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2377 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2378 2379 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2380 cmd_channel_map(pa, sc, channel); 2381 } 2382 } 2383 2384 void 2385 cmd0643_9_chip_map(sc, pa) 2386 struct pciide_softc *sc; 2387 struct pci_attach_args *pa; 2388 { 2389 struct pciide_channel *cp; 2390 int channel; 2391 int rev = PCI_REVISION( 2392 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2393 2394 /* 2395 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2396 * and base adresses registers can be disabled at 2397 * hardware level. In this case, the device is wired 2398 * in compat mode and its first channel is always enabled, 2399 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2400 * In fact, it seems that the first channel of the CMD PCI0640 2401 * can't be disabled. 2402 */ 2403 2404 #ifdef PCIIDE_CMD064x_DISABLE 2405 if (pciide_chipen(sc, pa) == 0) 2406 return; 2407 #endif 2408 printf("%s: bus-master DMA support present", 2409 sc->sc_wdcdev.sc_dev.dv_xname); 2410 pciide_mapreg_dma(sc, pa); 2411 printf("\n"); 2412 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2413 WDC_CAPABILITY_MODE; 2414 if (sc->sc_dma_ok) { 2415 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2416 switch (sc->sc_pp->ide_product) { 2417 case PCI_PRODUCT_CMDTECH_649: 2418 case PCI_PRODUCT_CMDTECH_648: 2419 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2420 sc->sc_wdcdev.UDMA_cap = 4; 2421 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2422 break; 2423 case PCI_PRODUCT_CMDTECH_646: 2424 if (rev >= CMD0646U2_REV) { 2425 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2426 sc->sc_wdcdev.UDMA_cap = 2; 2427 } else if (rev >= CMD0646U_REV) { 2428 /* 2429 * Linux's driver claims that the 646U is broken 2430 * with UDMA. Only enable it if we know what we're 2431 * doing 2432 */ 2433 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2434 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2435 sc->sc_wdcdev.UDMA_cap = 2; 2436 #endif 2437 /* explicitely disable UDMA */ 2438 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2439 CMD_UDMATIM(0), 0); 2440 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2441 CMD_UDMATIM(1), 0); 2442 } 2443 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2444 break; 2445 default: 2446 sc->sc_wdcdev.irqack = pciide_irqack; 2447 } 2448 } 2449 2450 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2451 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2452 sc->sc_wdcdev.PIO_cap = 4; 2453 sc->sc_wdcdev.DMA_cap = 2; 2454 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2455 2456 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2457 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2458 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2459 DEBUG_PROBE); 2460 2461 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2462 cp = &sc->pciide_channels[channel]; 2463 cmd_channel_map(pa, sc, channel); 2464 if (cp->hw_ok == 0) 2465 continue; 2466 cmd0643_9_setup_channel(&cp->wdc_channel); 2467 } 2468 /* 2469 * note - this also makes sure we clear the irq disable and reset 2470 * bits 2471 */ 2472 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2473 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2474 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2475 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2476 DEBUG_PROBE); 2477 } 2478 2479 void 2480 cmd0643_9_setup_channel(chp) 2481 struct channel_softc *chp; 2482 { 2483 struct ata_drive_datas *drvp; 2484 u_int8_t tim; 2485 u_int32_t idedma_ctl, udma_reg; 2486 int drive; 2487 struct pciide_channel *cp = (struct pciide_channel*)chp; 2488 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2489 2490 idedma_ctl = 0; 2491 /* setup DMA if needed */ 2492 pciide_channel_dma_setup(cp); 2493 2494 for (drive = 0; drive < 2; drive++) { 2495 drvp = &chp->ch_drive[drive]; 2496 /* If no drive, skip */ 2497 if ((drvp->drive_flags & DRIVE) == 0) 2498 continue; 2499 /* add timing values, setup DMA if needed */ 2500 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2501 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2502 if (drvp->drive_flags & DRIVE_UDMA) { 2503 /* UltraDMA on a 646U2, 0648 or 0649 */ 2504 drvp->drive_flags &= ~DRIVE_DMA; 2505 udma_reg = pciide_pci_read(sc->sc_pc, 2506 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2507 if (drvp->UDMA_mode > 2 && 2508 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2509 CMD_BICSR) & 2510 CMD_BICSR_80(chp->channel)) == 0) 2511 drvp->UDMA_mode = 2; 2512 if (drvp->UDMA_mode > 2) 2513 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2514 else if (sc->sc_wdcdev.UDMA_cap > 2) 2515 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2516 udma_reg |= CMD_UDMATIM_UDMA(drive); 2517 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2518 CMD_UDMATIM_TIM_OFF(drive)); 2519 udma_reg |= 2520 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2521 CMD_UDMATIM_TIM_OFF(drive)); 2522 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2523 CMD_UDMATIM(chp->channel), udma_reg); 2524 } else { 2525 /* 2526 * use Multiword DMA. 2527 * Timings will be used for both PIO and DMA, 2528 * so adjust DMA mode if needed 2529 * if we have a 0646U2/8/9, turn off UDMA 2530 */ 2531 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2532 udma_reg = pciide_pci_read(sc->sc_pc, 2533 sc->sc_tag, 2534 CMD_UDMATIM(chp->channel)); 2535 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2536 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2537 CMD_UDMATIM(chp->channel), 2538 udma_reg); 2539 } 2540 if (drvp->PIO_mode >= 3 && 2541 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2542 drvp->DMA_mode = drvp->PIO_mode - 2; 2543 } 2544 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2545 } 2546 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2547 } 2548 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2549 CMD_DATA_TIM(chp->channel, drive), tim); 2550 } 2551 if (idedma_ctl != 0) { 2552 /* Add software bits in status register */ 2553 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2554 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2555 idedma_ctl); 2556 } 2557 pciide_print_modes(cp); 2558 } 2559 2560 void 2561 cmd646_9_irqack(chp) 2562 struct channel_softc *chp; 2563 { 2564 u_int32_t priirq, secirq; 2565 struct pciide_channel *cp = (struct pciide_channel*)chp; 2566 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2567 2568 if (chp->channel == 0) { 2569 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2570 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2571 } else { 2572 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2573 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2574 } 2575 pciide_irqack(chp); 2576 } 2577 2578 void 2579 cy693_chip_map(sc, pa) 2580 struct pciide_softc *sc; 2581 struct pci_attach_args *pa; 2582 { 2583 struct pciide_channel *cp; 2584 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2585 bus_size_t cmdsize, ctlsize; 2586 2587 if (pciide_chipen(sc, pa) == 0) 2588 return; 2589 /* 2590 * this chip has 2 PCI IDE functions, one for primary and one for 2591 * secondary. So we need to call pciide_mapregs_compat() with 2592 * the real channel 2593 */ 2594 if (pa->pa_function == 1) { 2595 sc->sc_cy_compatchan = 0; 2596 } else if (pa->pa_function == 2) { 2597 sc->sc_cy_compatchan = 1; 2598 } else { 2599 printf("%s: unexpected PCI function %d\n", 2600 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2601 return; 2602 } 2603 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2604 printf("%s: bus-master DMA support present", 2605 sc->sc_wdcdev.sc_dev.dv_xname); 2606 pciide_mapreg_dma(sc, pa); 2607 } else { 2608 printf("%s: hardware does not support DMA", 2609 sc->sc_wdcdev.sc_dev.dv_xname); 2610 sc->sc_dma_ok = 0; 2611 } 2612 printf("\n"); 2613 2614 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2615 if (sc->sc_cy_handle == NULL) { 2616 printf("%s: unable to map hyperCache control registers\n", 2617 sc->sc_wdcdev.sc_dev.dv_xname); 2618 sc->sc_dma_ok = 0; 2619 } 2620 2621 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2622 WDC_CAPABILITY_MODE; 2623 if (sc->sc_dma_ok) { 2624 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2625 sc->sc_wdcdev.irqack = pciide_irqack; 2626 } 2627 sc->sc_wdcdev.PIO_cap = 4; 2628 sc->sc_wdcdev.DMA_cap = 2; 2629 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2630 2631 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2632 sc->sc_wdcdev.nchannels = 1; 2633 2634 /* Only one channel for this chip; if we are here it's enabled */ 2635 cp = &sc->pciide_channels[0]; 2636 sc->wdc_chanarray[0] = &cp->wdc_channel; 2637 cp->name = PCIIDE_CHANNEL_NAME(0); 2638 cp->wdc_channel.channel = 0; 2639 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2640 cp->wdc_channel.ch_queue = 2641 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2642 if (cp->wdc_channel.ch_queue == NULL) { 2643 printf("%s primary channel: " 2644 "can't allocate memory for command queue", 2645 sc->sc_wdcdev.sc_dev.dv_xname); 2646 return; 2647 } 2648 printf("%s: primary channel %s to ", 2649 sc->sc_wdcdev.sc_dev.dv_xname, 2650 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2651 "configured" : "wired"); 2652 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2653 printf("native-PCI"); 2654 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2655 pciide_pci_intr); 2656 } else { 2657 printf("compatibility"); 2658 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2659 &cmdsize, &ctlsize); 2660 } 2661 printf(" mode\n"); 2662 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2663 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2664 wdcattach(&cp->wdc_channel); 2665 if (pciide_chan_candisable(cp)) { 2666 pci_conf_write(sc->sc_pc, sc->sc_tag, 2667 PCI_COMMAND_STATUS_REG, 0); 2668 } 2669 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2670 if (cp->hw_ok == 0) 2671 return; 2672 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2673 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2674 cy693_setup_channel(&cp->wdc_channel); 2675 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2676 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2677 } 2678 2679 void 2680 cy693_setup_channel(chp) 2681 struct channel_softc *chp; 2682 { 2683 struct ata_drive_datas *drvp; 2684 int drive; 2685 u_int32_t cy_cmd_ctrl; 2686 u_int32_t idedma_ctl; 2687 struct pciide_channel *cp = (struct pciide_channel*)chp; 2688 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2689 int dma_mode = -1; 2690 2691 cy_cmd_ctrl = idedma_ctl = 0; 2692 2693 /* setup DMA if needed */ 2694 pciide_channel_dma_setup(cp); 2695 2696 for (drive = 0; drive < 2; drive++) { 2697 drvp = &chp->ch_drive[drive]; 2698 /* If no drive, skip */ 2699 if ((drvp->drive_flags & DRIVE) == 0) 2700 continue; 2701 /* add timing values, setup DMA if needed */ 2702 if (drvp->drive_flags & DRIVE_DMA) { 2703 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2704 /* use Multiword DMA */ 2705 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2706 dma_mode = drvp->DMA_mode; 2707 } 2708 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2709 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2710 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2711 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2712 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2713 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2714 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2715 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2716 } 2717 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2718 chp->ch_drive[0].DMA_mode = dma_mode; 2719 chp->ch_drive[1].DMA_mode = dma_mode; 2720 2721 if (dma_mode == -1) 2722 dma_mode = 0; 2723 2724 if (sc->sc_cy_handle != NULL) { 2725 /* Note: `multiple' is implied. */ 2726 cy82c693_write(sc->sc_cy_handle, 2727 (sc->sc_cy_compatchan == 0) ? 2728 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2729 } 2730 2731 pciide_print_modes(cp); 2732 2733 if (idedma_ctl != 0) { 2734 /* Add software bits in status register */ 2735 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2736 IDEDMA_CTL, idedma_ctl); 2737 } 2738 } 2739 2740 void 2741 sis_chip_map(sc, pa) 2742 struct pciide_softc *sc; 2743 struct pci_attach_args *pa; 2744 { 2745 struct pciide_channel *cp; 2746 int channel; 2747 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2748 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2749 pcireg_t rev = PCI_REVISION(pa->pa_class); 2750 bus_size_t cmdsize, ctlsize; 2751 pcitag_t pchb_tag; 2752 pcireg_t pchb_id, pchb_class; 2753 2754 if (pciide_chipen(sc, pa) == 0) 2755 return; 2756 printf("%s: bus-master DMA support present", 2757 sc->sc_wdcdev.sc_dev.dv_xname); 2758 pciide_mapreg_dma(sc, pa); 2759 printf("\n"); 2760 2761 /* get a PCI tag for the host bridge (function 0 of the same device) */ 2762 pchb_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 2763 /* and read ID and rev of the ISA bridge */ 2764 pchb_id = pci_conf_read(sc->sc_pc, pchb_tag, PCI_ID_REG); 2765 pchb_class = pci_conf_read(sc->sc_pc, pchb_tag, PCI_CLASS_REG); 2766 2767 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2768 WDC_CAPABILITY_MODE; 2769 if (sc->sc_dma_ok) { 2770 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2771 sc->sc_wdcdev.irqack = pciide_irqack; 2772 /* 2773 * controllers associated to a rev 0x2 530 Host to PCI Bridge 2774 * have problems with UDMA (info provided by Christos) 2775 */ 2776 if (rev >= 0xd0 && 2777 (PCI_PRODUCT(pchb_id) != PCI_PRODUCT_SIS_530HB || 2778 PCI_REVISION(pchb_class) >= 0x03)) 2779 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2780 } 2781 2782 sc->sc_wdcdev.PIO_cap = 4; 2783 sc->sc_wdcdev.DMA_cap = 2; 2784 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2785 sc->sc_wdcdev.UDMA_cap = 2; 2786 sc->sc_wdcdev.set_modes = sis_setup_channel; 2787 2788 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2789 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2790 2791 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2792 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2793 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2794 2795 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2796 cp = &sc->pciide_channels[channel]; 2797 if (pciide_chansetup(sc, channel, interface) == 0) 2798 continue; 2799 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2800 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2801 printf("%s: %s channel ignored (disabled)\n", 2802 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2803 continue; 2804 } 2805 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2806 pciide_pci_intr); 2807 if (cp->hw_ok == 0) 2808 continue; 2809 if (pciide_chan_candisable(cp)) { 2810 if (channel == 0) 2811 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2812 else 2813 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2814 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2815 sis_ctr0); 2816 } 2817 pciide_map_compat_intr(pa, cp, channel, interface); 2818 if (cp->hw_ok == 0) 2819 continue; 2820 sis_setup_channel(&cp->wdc_channel); 2821 } 2822 } 2823 2824 void 2825 sis_setup_channel(chp) 2826 struct channel_softc *chp; 2827 { 2828 struct ata_drive_datas *drvp; 2829 int drive; 2830 u_int32_t sis_tim; 2831 u_int32_t idedma_ctl; 2832 struct pciide_channel *cp = (struct pciide_channel*)chp; 2833 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2834 2835 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2836 "channel %d 0x%x\n", chp->channel, 2837 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2838 DEBUG_PROBE); 2839 sis_tim = 0; 2840 idedma_ctl = 0; 2841 /* setup DMA if needed */ 2842 pciide_channel_dma_setup(cp); 2843 2844 for (drive = 0; drive < 2; drive++) { 2845 drvp = &chp->ch_drive[drive]; 2846 /* If no drive, skip */ 2847 if ((drvp->drive_flags & DRIVE) == 0) 2848 continue; 2849 /* add timing values, setup DMA if needed */ 2850 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2851 (drvp->drive_flags & DRIVE_UDMA) == 0) 2852 goto pio; 2853 2854 if (drvp->drive_flags & DRIVE_UDMA) { 2855 /* use Ultra/DMA */ 2856 drvp->drive_flags &= ~DRIVE_DMA; 2857 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2858 SIS_TIM_UDMA_TIME_OFF(drive); 2859 sis_tim |= SIS_TIM_UDMA_EN(drive); 2860 } else { 2861 /* 2862 * use Multiword DMA 2863 * Timings will be used for both PIO and DMA, 2864 * so adjust DMA mode if needed 2865 */ 2866 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2867 drvp->PIO_mode = drvp->DMA_mode + 2; 2868 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2869 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2870 drvp->PIO_mode - 2 : 0; 2871 if (drvp->DMA_mode == 0) 2872 drvp->PIO_mode = 0; 2873 } 2874 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2875 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2876 SIS_TIM_ACT_OFF(drive); 2877 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2878 SIS_TIM_REC_OFF(drive); 2879 } 2880 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2881 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2882 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2883 if (idedma_ctl != 0) { 2884 /* Add software bits in status register */ 2885 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2886 IDEDMA_CTL, idedma_ctl); 2887 } 2888 pciide_print_modes(cp); 2889 } 2890 2891 void 2892 acer_chip_map(sc, pa) 2893 struct pciide_softc *sc; 2894 struct pci_attach_args *pa; 2895 { 2896 struct pciide_channel *cp; 2897 int channel; 2898 pcireg_t cr, interface; 2899 bus_size_t cmdsize, ctlsize; 2900 pcireg_t rev = PCI_REVISION(pa->pa_class); 2901 2902 if (pciide_chipen(sc, pa) == 0) 2903 return; 2904 printf("%s: bus-master DMA support present", 2905 sc->sc_wdcdev.sc_dev.dv_xname); 2906 pciide_mapreg_dma(sc, pa); 2907 printf("\n"); 2908 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2909 WDC_CAPABILITY_MODE; 2910 if (sc->sc_dma_ok) { 2911 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; 2912 if (rev >= 0x20) { 2913 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2914 if (rev >= 0xC4) 2915 sc->sc_wdcdev.UDMA_cap = 5; 2916 else if (rev >= 0xC4) 2917 sc->sc_wdcdev.UDMA_cap = 4; 2918 else 2919 sc->sc_wdcdev.UDMA_cap = 2; 2920 } 2921 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2922 sc->sc_wdcdev.irqack = pciide_irqack; 2923 } 2924 2925 sc->sc_wdcdev.PIO_cap = 4; 2926 sc->sc_wdcdev.DMA_cap = 2; 2927 sc->sc_wdcdev.set_modes = acer_setup_channel; 2928 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2929 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2930 2931 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2932 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2933 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2934 2935 /* Enable "microsoft register bits" R/W. */ 2936 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2937 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2938 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2939 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2940 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2941 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2942 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2943 ~ACER_CHANSTATUSREGS_RO); 2944 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2945 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2946 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2947 /* Don't use cr, re-read the real register content instead */ 2948 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2949 PCI_CLASS_REG)); 2950 2951 /* From linux: enable "Cable Detection" */ 2952 if (rev >= 0xC2) { 2953 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B, 2954 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B_CDETECT) 2955 | 0x8); 2956 /* set south-bridge's enable bit, m1533, 0x79 */ 2957 if (rev == 0xC2) 2958 /* 1543C-B0 (m1533, 0x79, bit 2) */ 2959 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x79, 2960 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x79) 2961 | ACER_0x79_REVC2_EN); 2962 else 2963 /* 1553/1535 (m1533, 0x79, bit 1) */ 2964 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x79, 2965 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x79) 2966 | ACER_0x79_EN); 2967 } 2968 2969 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2970 cp = &sc->pciide_channels[channel]; 2971 if (pciide_chansetup(sc, channel, interface) == 0) 2972 continue; 2973 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2974 printf("%s: %s channel ignored (disabled)\n", 2975 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2976 continue; 2977 } 2978 /* newer controllers seems to lack the ACER_CHIDS. Sigh */ 2979 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2980 (rev >= 0xC2) ? pciide_pci_intr : acer_pci_intr); 2981 if (cp->hw_ok == 0) 2982 continue; 2983 if (pciide_chan_candisable(cp)) { 2984 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2985 pci_conf_write(sc->sc_pc, sc->sc_tag, 2986 PCI_CLASS_REG, cr); 2987 } 2988 pciide_map_compat_intr(pa, cp, channel, interface); 2989 acer_setup_channel(&cp->wdc_channel); 2990 } 2991 } 2992 2993 void 2994 acer_setup_channel(chp) 2995 struct channel_softc *chp; 2996 { 2997 struct ata_drive_datas *drvp; 2998 int drive; 2999 u_int32_t acer_fifo_udma; 3000 u_int32_t idedma_ctl; 3001 struct pciide_channel *cp = (struct pciide_channel*)chp; 3002 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3003 3004 idedma_ctl = 0; 3005 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 3006 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 3007 acer_fifo_udma), DEBUG_PROBE); 3008 /* setup DMA if needed */ 3009 pciide_channel_dma_setup(cp); 3010 3011 if ((chp->ch_drive[0].drive_flags | chp->ch_drive[1].drive_flags) & 3012 DRIVE_UDMA) { /* check 80 pins cable */ 3013 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4A) & 3014 ACER_0x4A_80PIN(chp->channel)) { 3015 if (chp->ch_drive[0].UDMA_mode > 2) 3016 chp->ch_drive[0].UDMA_mode = 2; 3017 if (chp->ch_drive[1].UDMA_mode > 2) 3018 chp->ch_drive[1].UDMA_mode = 2; 3019 } 3020 } 3021 3022 for (drive = 0; drive < 2; drive++) { 3023 drvp = &chp->ch_drive[drive]; 3024 /* If no drive, skip */ 3025 if ((drvp->drive_flags & DRIVE) == 0) 3026 continue; 3027 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 3028 "channel %d drive %d 0x%x\n", chp->channel, drive, 3029 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3030 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 3031 /* clear FIFO/DMA mode */ 3032 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 3033 ACER_UDMA_EN(chp->channel, drive) | 3034 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 3035 3036 /* add timing values, setup DMA if needed */ 3037 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 3038 (drvp->drive_flags & DRIVE_UDMA) == 0) { 3039 acer_fifo_udma |= 3040 ACER_FTH_OPL(chp->channel, drive, 0x1); 3041 goto pio; 3042 } 3043 3044 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 3045 if (drvp->drive_flags & DRIVE_UDMA) { 3046 /* use Ultra/DMA */ 3047 drvp->drive_flags &= ~DRIVE_DMA; 3048 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 3049 acer_fifo_udma |= 3050 ACER_UDMA_TIM(chp->channel, drive, 3051 acer_udma[drvp->UDMA_mode]); 3052 /* XXX disable if one drive < UDMA3 ? */ 3053 if (drvp->UDMA_mode >= 3) { 3054 pciide_pci_write(sc->sc_pc, sc->sc_tag, 3055 ACER_0x4B, 3056 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3057 ACER_0x4B) | ACER_0x4B_UDMA66); 3058 } 3059 } else { 3060 /* 3061 * use Multiword DMA 3062 * Timings will be used for both PIO and DMA, 3063 * so adjust DMA mode if needed 3064 */ 3065 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3066 drvp->PIO_mode = drvp->DMA_mode + 2; 3067 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3068 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3069 drvp->PIO_mode - 2 : 0; 3070 if (drvp->DMA_mode == 0) 3071 drvp->PIO_mode = 0; 3072 } 3073 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3074 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 3075 ACER_IDETIM(chp->channel, drive), 3076 acer_pio[drvp->PIO_mode]); 3077 } 3078 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 3079 acer_fifo_udma), DEBUG_PROBE); 3080 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 3081 if (idedma_ctl != 0) { 3082 /* Add software bits in status register */ 3083 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3084 IDEDMA_CTL, idedma_ctl); 3085 } 3086 pciide_print_modes(cp); 3087 } 3088 3089 int 3090 acer_pci_intr(arg) 3091 void *arg; 3092 { 3093 struct pciide_softc *sc = arg; 3094 struct pciide_channel *cp; 3095 struct channel_softc *wdc_cp; 3096 int i, rv, crv; 3097 u_int32_t chids; 3098 3099 rv = 0; 3100 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 3101 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3102 cp = &sc->pciide_channels[i]; 3103 wdc_cp = &cp->wdc_channel; 3104 /* If a compat channel skip. */ 3105 if (cp->compat) 3106 continue; 3107 if (chids & ACER_CHIDS_INT(i)) { 3108 crv = wdcintr(wdc_cp); 3109 if (crv == 0) 3110 printf("%s:%d: bogus intr\n", 3111 sc->sc_wdcdev.sc_dev.dv_xname, i); 3112 else 3113 rv = 1; 3114 } 3115 } 3116 return rv; 3117 } 3118 3119 void 3120 hpt_chip_map(sc, pa) 3121 struct pciide_softc *sc; 3122 struct pci_attach_args *pa; 3123 { 3124 struct pciide_channel *cp; 3125 int i, compatchan, revision; 3126 pcireg_t interface; 3127 bus_size_t cmdsize, ctlsize; 3128 3129 if (pciide_chipen(sc, pa) == 0) 3130 return; 3131 revision = PCI_REVISION(pa->pa_class); 3132 printf(": Triones/Highpoint "); 3133 if (revision == HPT370_REV) 3134 printf("HPT370 IDE Controller\n"); 3135 else if (revision == HPT370A_REV) 3136 printf("HPT370A IDE Controller\n"); 3137 else if (revision == HPT366_REV) 3138 printf("HPT366 IDE Controller\n"); 3139 else 3140 printf("unknown HPT IDE controller rev %d\n", revision); 3141 3142 /* 3143 * when the chip is in native mode it identifies itself as a 3144 * 'misc mass storage'. Fake interface in this case. 3145 */ 3146 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3147 interface = PCI_INTERFACE(pa->pa_class); 3148 } else { 3149 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3150 PCIIDE_INTERFACE_PCI(0); 3151 if (revision == HPT370_REV || revision == HPT370A_REV) 3152 interface |= PCIIDE_INTERFACE_PCI(1); 3153 } 3154 3155 printf("%s: bus-master DMA support present", 3156 sc->sc_wdcdev.sc_dev.dv_xname); 3157 pciide_mapreg_dma(sc, pa); 3158 printf("\n"); 3159 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3160 WDC_CAPABILITY_MODE; 3161 if (sc->sc_dma_ok) { 3162 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3163 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3164 sc->sc_wdcdev.irqack = pciide_irqack; 3165 } 3166 sc->sc_wdcdev.PIO_cap = 4; 3167 sc->sc_wdcdev.DMA_cap = 2; 3168 3169 sc->sc_wdcdev.set_modes = hpt_setup_channel; 3170 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3171 if (revision == HPT366_REV) { 3172 sc->sc_wdcdev.UDMA_cap = 4; 3173 /* 3174 * The 366 has 2 PCI IDE functions, one for primary and one 3175 * for secondary. So we need to call pciide_mapregs_compat() 3176 * with the real channel 3177 */ 3178 if (pa->pa_function == 0) { 3179 compatchan = 0; 3180 } else if (pa->pa_function == 1) { 3181 compatchan = 1; 3182 } else { 3183 printf("%s: unexpected PCI function %d\n", 3184 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 3185 return; 3186 } 3187 sc->sc_wdcdev.nchannels = 1; 3188 } else { 3189 sc->sc_wdcdev.nchannels = 2; 3190 sc->sc_wdcdev.UDMA_cap = 5; 3191 } 3192 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3193 cp = &sc->pciide_channels[i]; 3194 if (sc->sc_wdcdev.nchannels > 1) { 3195 compatchan = i; 3196 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 3197 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 3198 printf("%s: %s channel ignored (disabled)\n", 3199 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3200 continue; 3201 } 3202 } 3203 if (pciide_chansetup(sc, i, interface) == 0) 3204 continue; 3205 if (interface & PCIIDE_INTERFACE_PCI(i)) { 3206 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 3207 &ctlsize, hpt_pci_intr); 3208 } else { 3209 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 3210 &cmdsize, &ctlsize); 3211 } 3212 if (cp->hw_ok == 0) 3213 return; 3214 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3215 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3216 wdcattach(&cp->wdc_channel); 3217 hpt_setup_channel(&cp->wdc_channel); 3218 } 3219 if (revision == HPT370_REV || revision == HPT370A_REV) { 3220 /* 3221 * HPT370_REV has a bit to disable interrupts, make sure 3222 * to clear it 3223 */ 3224 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 3225 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 3226 ~HPT_CSEL_IRQDIS); 3227 } 3228 return; 3229 } 3230 3231 void 3232 hpt_setup_channel(chp) 3233 struct channel_softc *chp; 3234 { 3235 struct ata_drive_datas *drvp; 3236 int drive; 3237 int cable; 3238 u_int32_t before, after; 3239 u_int32_t idedma_ctl; 3240 struct pciide_channel *cp = (struct pciide_channel*)chp; 3241 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3242 3243 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 3244 3245 /* setup DMA if needed */ 3246 pciide_channel_dma_setup(cp); 3247 3248 idedma_ctl = 0; 3249 3250 /* Per drive settings */ 3251 for (drive = 0; drive < 2; drive++) { 3252 drvp = &chp->ch_drive[drive]; 3253 /* If no drive, skip */ 3254 if ((drvp->drive_flags & DRIVE) == 0) 3255 continue; 3256 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 3257 HPT_IDETIM(chp->channel, drive)); 3258 3259 /* add timing values, setup DMA if needed */ 3260 if (drvp->drive_flags & DRIVE_UDMA) { 3261 /* use Ultra/DMA */ 3262 drvp->drive_flags &= ~DRIVE_DMA; 3263 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 3264 drvp->UDMA_mode > 2) 3265 drvp->UDMA_mode = 2; 3266 after = (sc->sc_wdcdev.nchannels == 2) ? 3267 hpt370_udma[drvp->UDMA_mode] : 3268 hpt366_udma[drvp->UDMA_mode]; 3269 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3270 } else if (drvp->drive_flags & DRIVE_DMA) { 3271 /* 3272 * use Multiword DMA. 3273 * Timings will be used for both PIO and DMA, so adjust 3274 * DMA mode if needed 3275 */ 3276 if (drvp->PIO_mode >= 3 && 3277 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 3278 drvp->DMA_mode = drvp->PIO_mode - 2; 3279 } 3280 after = (sc->sc_wdcdev.nchannels == 2) ? 3281 hpt370_dma[drvp->DMA_mode] : 3282 hpt366_dma[drvp->DMA_mode]; 3283 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3284 } else { 3285 /* PIO only */ 3286 after = (sc->sc_wdcdev.nchannels == 2) ? 3287 hpt370_pio[drvp->PIO_mode] : 3288 hpt366_pio[drvp->PIO_mode]; 3289 } 3290 pci_conf_write(sc->sc_pc, sc->sc_tag, 3291 HPT_IDETIM(chp->channel, drive), after); 3292 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 3293 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 3294 after, before), DEBUG_PROBE); 3295 } 3296 if (idedma_ctl != 0) { 3297 /* Add software bits in status register */ 3298 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3299 IDEDMA_CTL, idedma_ctl); 3300 } 3301 pciide_print_modes(cp); 3302 } 3303 3304 int 3305 hpt_pci_intr(arg) 3306 void *arg; 3307 { 3308 struct pciide_softc *sc = arg; 3309 struct pciide_channel *cp; 3310 struct channel_softc *wdc_cp; 3311 int rv = 0; 3312 int dmastat, i, crv; 3313 3314 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3315 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3316 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3317 if((dmastat & IDEDMA_CTL_INTR) == 0) 3318 continue; 3319 cp = &sc->pciide_channels[i]; 3320 wdc_cp = &cp->wdc_channel; 3321 crv = wdcintr(wdc_cp); 3322 if (crv == 0) { 3323 printf("%s:%d: bogus intr\n", 3324 sc->sc_wdcdev.sc_dev.dv_xname, i); 3325 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3326 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 3327 } else 3328 rv = 1; 3329 } 3330 return rv; 3331 } 3332 3333 3334 /* Macros to test product */ 3335 #define PDC_IS_262(sc) \ 3336 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 3337 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3338 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3339 #define PDC_IS_265(sc) \ 3340 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3341 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3342 3343 void 3344 pdc202xx_chip_map(sc, pa) 3345 struct pciide_softc *sc; 3346 struct pci_attach_args *pa; 3347 { 3348 struct pciide_channel *cp; 3349 int channel; 3350 pcireg_t interface, st, mode; 3351 bus_size_t cmdsize, ctlsize; 3352 3353 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3354 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 3355 DEBUG_PROBE); 3356 if (pciide_chipen(sc, pa) == 0) 3357 return; 3358 3359 /* turn off RAID mode */ 3360 st &= ~PDC2xx_STATE_IDERAID; 3361 3362 /* 3363 * can't rely on the PCI_CLASS_REG content if the chip was in raid 3364 * mode. We have to fake interface 3365 */ 3366 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 3367 if (st & PDC2xx_STATE_NATIVE) 3368 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3369 3370 printf("%s: bus-master DMA support present", 3371 sc->sc_wdcdev.sc_dev.dv_xname); 3372 pciide_mapreg_dma(sc, pa); 3373 printf("\n"); 3374 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3375 WDC_CAPABILITY_MODE; 3376 if (sc->sc_dma_ok) { 3377 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3378 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3379 sc->sc_wdcdev.irqack = pciide_irqack; 3380 } 3381 sc->sc_wdcdev.PIO_cap = 4; 3382 sc->sc_wdcdev.DMA_cap = 2; 3383 if (PDC_IS_265(sc)) 3384 sc->sc_wdcdev.UDMA_cap = 5; 3385 else if (PDC_IS_262(sc)) 3386 sc->sc_wdcdev.UDMA_cap = 4; 3387 else 3388 sc->sc_wdcdev.UDMA_cap = 2; 3389 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3390 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3391 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3392 3393 /* setup failsafe defaults */ 3394 mode = 0; 3395 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3396 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3397 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3398 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3399 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3400 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3401 "initial timings 0x%x, now 0x%x\n", channel, 3402 pci_conf_read(sc->sc_pc, sc->sc_tag, 3403 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3404 DEBUG_PROBE); 3405 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3406 mode | PDC2xx_TIM_IORDYp); 3407 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3408 "initial timings 0x%x, now 0x%x\n", channel, 3409 pci_conf_read(sc->sc_pc, sc->sc_tag, 3410 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3411 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3412 mode); 3413 } 3414 3415 mode = PDC2xx_SCR_DMA; 3416 if (PDC_IS_262(sc)) { 3417 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3418 } else { 3419 /* the BIOS set it up this way */ 3420 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3421 } 3422 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3423 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3424 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3425 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3426 DEBUG_PROBE); 3427 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3428 3429 /* controller initial state register is OK even without BIOS */ 3430 /* Set DMA mode to IDE DMA compatibility */ 3431 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3432 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3433 DEBUG_PROBE); 3434 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3435 mode | 0x1); 3436 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3437 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3438 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3439 mode | 0x1); 3440 3441 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3442 cp = &sc->pciide_channels[channel]; 3443 if (pciide_chansetup(sc, channel, interface) == 0) 3444 continue; 3445 if ((st & (PDC_IS_262(sc) ? 3446 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3447 printf("%s: %s channel ignored (disabled)\n", 3448 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3449 continue; 3450 } 3451 if (PDC_IS_265(sc)) 3452 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3453 pdc20265_pci_intr); 3454 else 3455 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3456 pdc202xx_pci_intr); 3457 if (cp->hw_ok == 0) 3458 continue; 3459 if (pciide_chan_candisable(cp)) 3460 st &= ~(PDC_IS_262(sc) ? 3461 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3462 pciide_map_compat_intr(pa, cp, channel, interface); 3463 pdc202xx_setup_channel(&cp->wdc_channel); 3464 } 3465 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3466 DEBUG_PROBE); 3467 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3468 return; 3469 } 3470 3471 void 3472 pdc202xx_setup_channel(chp) 3473 struct channel_softc *chp; 3474 { 3475 struct ata_drive_datas *drvp; 3476 int drive; 3477 pcireg_t mode, st; 3478 u_int32_t idedma_ctl, scr, atapi; 3479 struct pciide_channel *cp = (struct pciide_channel*)chp; 3480 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3481 int channel = chp->channel; 3482 3483 /* setup DMA if needed */ 3484 pciide_channel_dma_setup(cp); 3485 3486 idedma_ctl = 0; 3487 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n", 3488 sc->sc_wdcdev.sc_dev.dv_xname, 3489 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)), 3490 DEBUG_PROBE); 3491 3492 /* Per channel settings */ 3493 if (PDC_IS_262(sc)) { 3494 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3495 PDC262_U66); 3496 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3497 /* Trimm UDMA mode */ 3498 if ((st & PDC262_STATE_80P(channel)) != 0 || 3499 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3500 chp->ch_drive[0].UDMA_mode <= 2) || 3501 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3502 chp->ch_drive[1].UDMA_mode <= 2)) { 3503 if (chp->ch_drive[0].UDMA_mode > 2) 3504 chp->ch_drive[0].UDMA_mode = 2; 3505 if (chp->ch_drive[1].UDMA_mode > 2) 3506 chp->ch_drive[1].UDMA_mode = 2; 3507 } 3508 /* Set U66 if needed */ 3509 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3510 chp->ch_drive[0].UDMA_mode > 2) || 3511 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3512 chp->ch_drive[1].UDMA_mode > 2)) 3513 scr |= PDC262_U66_EN(channel); 3514 else 3515 scr &= ~PDC262_U66_EN(channel); 3516 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3517 PDC262_U66, scr); 3518 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n", 3519 sc->sc_wdcdev.sc_dev.dv_xname, channel, 3520 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3521 PDC262_ATAPI(channel))), DEBUG_PROBE); 3522 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3523 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3524 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3525 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3526 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3527 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3528 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3529 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3530 atapi = 0; 3531 else 3532 atapi = PDC262_ATAPI_UDMA; 3533 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3534 PDC262_ATAPI(channel), atapi); 3535 } 3536 } 3537 for (drive = 0; drive < 2; drive++) { 3538 drvp = &chp->ch_drive[drive]; 3539 /* If no drive, skip */ 3540 if ((drvp->drive_flags & DRIVE) == 0) 3541 continue; 3542 mode = 0; 3543 if (drvp->drive_flags & DRIVE_UDMA) { 3544 /* use Ultra/DMA */ 3545 drvp->drive_flags &= ~DRIVE_DMA; 3546 mode = PDC2xx_TIM_SET_MB(mode, 3547 pdc2xx_udma_mb[drvp->UDMA_mode]); 3548 mode = PDC2xx_TIM_SET_MC(mode, 3549 pdc2xx_udma_mc[drvp->UDMA_mode]); 3550 drvp->drive_flags &= ~DRIVE_DMA; 3551 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3552 } else if (drvp->drive_flags & DRIVE_DMA) { 3553 mode = PDC2xx_TIM_SET_MB(mode, 3554 pdc2xx_dma_mb[drvp->DMA_mode]); 3555 mode = PDC2xx_TIM_SET_MC(mode, 3556 pdc2xx_dma_mc[drvp->DMA_mode]); 3557 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3558 } else { 3559 mode = PDC2xx_TIM_SET_MB(mode, 3560 pdc2xx_dma_mb[0]); 3561 mode = PDC2xx_TIM_SET_MC(mode, 3562 pdc2xx_dma_mc[0]); 3563 } 3564 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3565 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3566 if (drvp->drive_flags & DRIVE_ATA) 3567 mode |= PDC2xx_TIM_PRE; 3568 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3569 if (drvp->PIO_mode >= 3) { 3570 mode |= PDC2xx_TIM_IORDY; 3571 if (drive == 0) 3572 mode |= PDC2xx_TIM_IORDYp; 3573 } 3574 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3575 "timings 0x%x\n", 3576 sc->sc_wdcdev.sc_dev.dv_xname, 3577 chp->channel, drive, mode), DEBUG_PROBE); 3578 pci_conf_write(sc->sc_pc, sc->sc_tag, 3579 PDC2xx_TIM(chp->channel, drive), mode); 3580 } 3581 if (idedma_ctl != 0) { 3582 /* Add software bits in status register */ 3583 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3584 IDEDMA_CTL, idedma_ctl); 3585 } 3586 pciide_print_modes(cp); 3587 } 3588 3589 int 3590 pdc202xx_pci_intr(arg) 3591 void *arg; 3592 { 3593 struct pciide_softc *sc = arg; 3594 struct pciide_channel *cp; 3595 struct channel_softc *wdc_cp; 3596 int i, rv, crv; 3597 u_int32_t scr; 3598 3599 rv = 0; 3600 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3601 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3602 cp = &sc->pciide_channels[i]; 3603 wdc_cp = &cp->wdc_channel; 3604 /* If a compat channel skip. */ 3605 if (cp->compat) 3606 continue; 3607 if (scr & PDC2xx_SCR_INT(i)) { 3608 crv = wdcintr(wdc_cp); 3609 if (crv == 0) 3610 printf("%s:%d: bogus intr (reg 0x%x)\n", 3611 sc->sc_wdcdev.sc_dev.dv_xname, i, scr); 3612 else 3613 rv = 1; 3614 } 3615 } 3616 return rv; 3617 } 3618 3619 int 3620 pdc20265_pci_intr(arg) 3621 void *arg; 3622 { 3623 struct pciide_softc *sc = arg; 3624 struct pciide_channel *cp; 3625 struct channel_softc *wdc_cp; 3626 int i, rv, crv; 3627 u_int32_t dmastat; 3628 3629 rv = 0; 3630 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3631 cp = &sc->pciide_channels[i]; 3632 wdc_cp = &cp->wdc_channel; 3633 /* If a compat channel skip. */ 3634 if (cp->compat) 3635 continue; 3636 /* 3637 * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously, 3638 * however it asserts INT in IDEDMA_CTL even for non-DMA ops. 3639 * So use it instead (requires 2 reg reads instead of 1, 3640 * but we can't do it another way). 3641 */ 3642 dmastat = bus_space_read_1(sc->sc_dma_iot, 3643 sc->sc_dma_ioh, IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3644 if((dmastat & IDEDMA_CTL_INTR) == 0) 3645 continue; 3646 crv = wdcintr(wdc_cp); 3647 if (crv == 0) 3648 printf("%s:%d: bogus intr\n", 3649 sc->sc_wdcdev.sc_dev.dv_xname, i); 3650 else 3651 rv = 1; 3652 } 3653 return rv; 3654 } 3655 3656 void 3657 opti_chip_map(sc, pa) 3658 struct pciide_softc *sc; 3659 struct pci_attach_args *pa; 3660 { 3661 struct pciide_channel *cp; 3662 bus_size_t cmdsize, ctlsize; 3663 pcireg_t interface; 3664 u_int8_t init_ctrl; 3665 int channel; 3666 3667 if (pciide_chipen(sc, pa) == 0) 3668 return; 3669 printf("%s: bus-master DMA support present", 3670 sc->sc_wdcdev.sc_dev.dv_xname); 3671 3672 /* 3673 * XXXSCW: 3674 * There seem to be a couple of buggy revisions/implementations 3675 * of the OPTi pciide chipset. This kludge seems to fix one of 3676 * the reported problems (PR/11644) but still fails for the 3677 * other (PR/13151), although the latter may be due to other 3678 * issues too... 3679 */ 3680 if (PCI_REVISION(pa->pa_class) <= 0x12) { 3681 printf(" but disabled due to chip rev. <= 0x12"); 3682 sc->sc_dma_ok = 0; 3683 sc->sc_wdcdev.cap = 0; 3684 } else { 3685 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32; 3686 pciide_mapreg_dma(sc, pa); 3687 } 3688 printf("\n"); 3689 3690 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_MODE; 3691 sc->sc_wdcdev.PIO_cap = 4; 3692 if (sc->sc_dma_ok) { 3693 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3694 sc->sc_wdcdev.irqack = pciide_irqack; 3695 sc->sc_wdcdev.DMA_cap = 2; 3696 } 3697 sc->sc_wdcdev.set_modes = opti_setup_channel; 3698 3699 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3700 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3701 3702 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3703 OPTI_REG_INIT_CONTROL); 3704 3705 interface = PCI_INTERFACE(pa->pa_class); 3706 3707 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3708 cp = &sc->pciide_channels[channel]; 3709 if (pciide_chansetup(sc, channel, interface) == 0) 3710 continue; 3711 if (channel == 1 && 3712 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3713 printf("%s: %s channel ignored (disabled)\n", 3714 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3715 continue; 3716 } 3717 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3718 pciide_pci_intr); 3719 if (cp->hw_ok == 0) 3720 continue; 3721 pciide_map_compat_intr(pa, cp, channel, interface); 3722 if (cp->hw_ok == 0) 3723 continue; 3724 opti_setup_channel(&cp->wdc_channel); 3725 } 3726 } 3727 3728 void 3729 opti_setup_channel(chp) 3730 struct channel_softc *chp; 3731 { 3732 struct ata_drive_datas *drvp; 3733 struct pciide_channel *cp = (struct pciide_channel*)chp; 3734 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3735 int drive, spd; 3736 int mode[2]; 3737 u_int8_t rv, mr; 3738 3739 /* 3740 * The `Delay' and `Address Setup Time' fields of the 3741 * Miscellaneous Register are always zero initially. 3742 */ 3743 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3744 mr &= ~(OPTI_MISC_DELAY_MASK | 3745 OPTI_MISC_ADDR_SETUP_MASK | 3746 OPTI_MISC_INDEX_MASK); 3747 3748 /* Prime the control register before setting timing values */ 3749 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3750 3751 /* Determine the clockrate of the PCIbus the chip is attached to */ 3752 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3753 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3754 3755 /* setup DMA if needed */ 3756 pciide_channel_dma_setup(cp); 3757 3758 for (drive = 0; drive < 2; drive++) { 3759 drvp = &chp->ch_drive[drive]; 3760 /* If no drive, skip */ 3761 if ((drvp->drive_flags & DRIVE) == 0) { 3762 mode[drive] = -1; 3763 continue; 3764 } 3765 3766 if ((drvp->drive_flags & DRIVE_DMA)) { 3767 /* 3768 * Timings will be used for both PIO and DMA, 3769 * so adjust DMA mode if needed 3770 */ 3771 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3772 drvp->PIO_mode = drvp->DMA_mode + 2; 3773 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3774 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3775 drvp->PIO_mode - 2 : 0; 3776 if (drvp->DMA_mode == 0) 3777 drvp->PIO_mode = 0; 3778 3779 mode[drive] = drvp->DMA_mode + 5; 3780 } else 3781 mode[drive] = drvp->PIO_mode; 3782 3783 if (drive && mode[0] >= 0 && 3784 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3785 /* 3786 * Can't have two drives using different values 3787 * for `Address Setup Time'. 3788 * Slow down the faster drive to compensate. 3789 */ 3790 int d = (opti_tim_as[spd][mode[0]] > 3791 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3792 3793 mode[d] = mode[1-d]; 3794 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3795 chp->ch_drive[d].DMA_mode = 0; 3796 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3797 } 3798 } 3799 3800 for (drive = 0; drive < 2; drive++) { 3801 int m; 3802 if ((m = mode[drive]) < 0) 3803 continue; 3804 3805 /* Set the Address Setup Time and select appropriate index */ 3806 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3807 rv |= OPTI_MISC_INDEX(drive); 3808 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3809 3810 /* Set the pulse width and recovery timing parameters */ 3811 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3812 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3813 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3814 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3815 3816 /* Set the Enhanced Mode register appropriately */ 3817 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3818 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3819 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3820 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3821 } 3822 3823 /* Finally, enable the timings */ 3824 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3825 3826 pciide_print_modes(cp); 3827 } 3828 3829 #define ACARD_IS_850(sc) \ 3830 ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U) 3831 3832 void 3833 acard_chip_map(sc, pa) 3834 struct pciide_softc *sc; 3835 struct pci_attach_args *pa; 3836 { 3837 struct pciide_channel *cp; 3838 int i; 3839 pcireg_t interface; 3840 bus_size_t cmdsize, ctlsize; 3841 3842 if (pciide_chipen(sc, pa) == 0) 3843 return; 3844 3845 /* 3846 * when the chip is in native mode it identifies itself as a 3847 * 'misc mass storage'. Fake interface in this case. 3848 */ 3849 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3850 interface = PCI_INTERFACE(pa->pa_class); 3851 } else { 3852 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3853 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3854 } 3855 3856 printf("%s: bus-master DMA support present", 3857 sc->sc_wdcdev.sc_dev.dv_xname); 3858 pciide_mapreg_dma(sc, pa); 3859 printf("\n"); 3860 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3861 WDC_CAPABILITY_MODE; 3862 3863 if (sc->sc_dma_ok) { 3864 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3865 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3866 sc->sc_wdcdev.irqack = pciide_irqack; 3867 } 3868 sc->sc_wdcdev.PIO_cap = 4; 3869 sc->sc_wdcdev.DMA_cap = 2; 3870 sc->sc_wdcdev.UDMA_cap = ACARD_IS_850(sc) ? 2 : 4; 3871 3872 sc->sc_wdcdev.set_modes = acard_setup_channel; 3873 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3874 sc->sc_wdcdev.nchannels = 2; 3875 3876 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3877 cp = &sc->pciide_channels[i]; 3878 if (pciide_chansetup(sc, i, interface) == 0) 3879 continue; 3880 if (interface & PCIIDE_INTERFACE_PCI(i)) { 3881 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 3882 &ctlsize, pciide_pci_intr); 3883 } else { 3884 cp->hw_ok = pciide_mapregs_compat(pa, cp, i, 3885 &cmdsize, &ctlsize); 3886 } 3887 if (cp->hw_ok == 0) 3888 return; 3889 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3890 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3891 wdcattach(&cp->wdc_channel); 3892 acard_setup_channel(&cp->wdc_channel); 3893 } 3894 if (!ACARD_IS_850(sc)) { 3895 u_int32_t reg; 3896 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); 3897 reg &= ~ATP860_CTRL_INT; 3898 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); 3899 } 3900 } 3901 3902 void 3903 acard_setup_channel(chp) 3904 struct channel_softc *chp; 3905 { 3906 struct ata_drive_datas *drvp; 3907 struct pciide_channel *cp = (struct pciide_channel*)chp; 3908 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3909 int channel = chp->channel; 3910 int drive; 3911 u_int32_t idetime, udma_mode; 3912 u_int32_t idedma_ctl; 3913 3914 /* setup DMA if needed */ 3915 pciide_channel_dma_setup(cp); 3916 3917 if (ACARD_IS_850(sc)) { 3918 idetime = 0; 3919 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); 3920 udma_mode &= ~ATP850_UDMA_MASK(channel); 3921 } else { 3922 idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); 3923 idetime &= ~ATP860_SETTIME_MASK(channel); 3924 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); 3925 udma_mode &= ~ATP860_UDMA_MASK(channel); 3926 } 3927 3928 idedma_ctl = 0; 3929 3930 /* Per drive settings */ 3931 for (drive = 0; drive < 2; drive++) { 3932 drvp = &chp->ch_drive[drive]; 3933 /* If no drive, skip */ 3934 if ((drvp->drive_flags & DRIVE) == 0) 3935 continue; 3936 /* add timing values, setup DMA if needed */ 3937 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 3938 (drvp->drive_flags & DRIVE_UDMA)) { 3939 /* use Ultra/DMA */ 3940 if (ACARD_IS_850(sc)) { 3941 idetime |= ATP850_SETTIME(drive, 3942 acard_act_udma[drvp->UDMA_mode], 3943 acard_rec_udma[drvp->UDMA_mode]); 3944 udma_mode |= ATP850_UDMA_MODE(channel, drive, 3945 acard_udma_conf[drvp->UDMA_mode]); 3946 } else { 3947 idetime |= ATP860_SETTIME(channel, drive, 3948 acard_act_udma[drvp->UDMA_mode], 3949 acard_rec_udma[drvp->UDMA_mode]); 3950 udma_mode |= ATP860_UDMA_MODE(channel, drive, 3951 acard_udma_conf[drvp->UDMA_mode]); 3952 } 3953 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3954 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && 3955 (drvp->drive_flags & DRIVE_DMA)) { 3956 /* use Multiword DMA */ 3957 drvp->drive_flags &= ~DRIVE_UDMA; 3958 if (ACARD_IS_850(sc)) { 3959 idetime |= ATP850_SETTIME(drive, 3960 acard_act_dma[drvp->DMA_mode], 3961 acard_rec_dma[drvp->DMA_mode]); 3962 } else { 3963 idetime |= ATP860_SETTIME(channel, drive, 3964 acard_act_dma[drvp->DMA_mode], 3965 acard_rec_dma[drvp->DMA_mode]); 3966 } 3967 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3968 } else { 3969 /* PIO only */ 3970 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 3971 if (ACARD_IS_850(sc)) { 3972 idetime |= ATP850_SETTIME(drive, 3973 acard_act_pio[drvp->PIO_mode], 3974 acard_rec_pio[drvp->PIO_mode]); 3975 } else { 3976 idetime |= ATP860_SETTIME(channel, drive, 3977 acard_act_pio[drvp->PIO_mode], 3978 acard_rec_pio[drvp->PIO_mode]); 3979 } 3980 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, 3981 pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 3982 | ATP8x0_CTRL_EN(channel)); 3983 } 3984 } 3985 3986 if (idedma_ctl != 0) { 3987 /* Add software bits in status register */ 3988 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3989 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl); 3990 } 3991 pciide_print_modes(cp); 3992 3993 if (ACARD_IS_850(sc)) { 3994 pci_conf_write(sc->sc_pc, sc->sc_tag, 3995 ATP850_IDETIME(channel), idetime); 3996 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); 3997 } else { 3998 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); 3999 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); 4000 } 4001 } 4002 4003 int 4004 acard_pci_intr(arg) 4005 void *arg; 4006 { 4007 struct pciide_softc *sc = arg; 4008 struct pciide_channel *cp; 4009 struct channel_softc *wdc_cp; 4010 int rv = 0; 4011 int dmastat, i, crv; 4012 4013 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4014 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4015 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 4016 if ((dmastat & IDEDMA_CTL_INTR) == 0) 4017 continue; 4018 cp = &sc->pciide_channels[i]; 4019 wdc_cp = &cp->wdc_channel; 4020 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) { 4021 (void)wdcintr(wdc_cp); 4022 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4023 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 4024 continue; 4025 } 4026 crv = wdcintr(wdc_cp); 4027 if (crv == 0) 4028 printf("%s:%d: bogus intr\n", 4029 sc->sc_wdcdev.sc_dev.dv_xname, i); 4030 else if (crv == 1) 4031 rv = 1; 4032 else if (rv == 0) 4033 rv = crv; 4034 } 4035 return rv; 4036 } 4037
Indexes created Thu Oct 02 10:09:58 GMT 2025