pciide.c revision 1.189
1 /* $NetBSD: pciide.c,v 1.189 2003/04/05 13:00:15 kent 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 Manuel Bouyer. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 36 /* 37 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. All advertising materials mentioning features or use of this software 48 * must display the following acknowledgement: 49 * This product includes software developed by Christopher G. Demetriou 50 * for the NetBSD Project. 51 * 4. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 /* 67 * PCI IDE controller driver. 68 * 69 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 70 * sys/dev/pci/ppb.c, revision 1.16). 71 * 72 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and 73 * "Programming Interface for Bus Master IDE Controller, Revision 1.0 74 * 5/16/94" from the PCI SIG. 75 * 76 */ 77 78 #include <sys/cdefs.h> 79 __KERNEL_RCSID(0, "$NetBSD: pciide.c,v 1.189 2003/04/05 13:00:15 kent Exp $"); 80 81 #ifndef WDCDEBUG 82 #define WDCDEBUG 83 #endif 84 85 #define DEBUG_DMA 0x01 86 #define DEBUG_XFERS 0x02 87 #define DEBUG_FUNCS 0x08 88 #define DEBUG_PROBE 0x10 89 #ifdef WDCDEBUG 90 int wdcdebug_pciide_mask = 0; 91 #define WDCDEBUG_PRINT(args, level) \ 92 if (wdcdebug_pciide_mask & (level)) printf args 93 #else 94 #define WDCDEBUG_PRINT(args, level) 95 #endif 96 #include <sys/param.h> 97 #include <sys/systm.h> 98 #include <sys/device.h> 99 #include <sys/malloc.h> 100 101 #include <uvm/uvm_extern.h> 102 103 #include <machine/endian.h> 104 105 #include <dev/pci/pcireg.h> 106 #include <dev/pci/pcivar.h> 107 #include <dev/pci/pcidevs.h> 108 #include <dev/pci/pciidereg.h> 109 #include <dev/pci/pciidevar.h> 110 #include <dev/pci/pciide_piix_reg.h> 111 #include <dev/pci/pciide_amd_reg.h> 112 #include <dev/pci/pciide_apollo_reg.h> 113 #include <dev/pci/pciide_cmd_reg.h> 114 #include <dev/pci/pciide_cy693_reg.h> 115 #include <dev/pci/pciide_sis_reg.h> 116 #include <dev/pci/pciide_acer_reg.h> 117 #include <dev/pci/pciide_pdc202xx_reg.h> 118 #include <dev/pci/pciide_opti_reg.h> 119 #include <dev/pci/pciide_hpt_reg.h> 120 #include <dev/pci/pciide_acard_reg.h> 121 #include <dev/pci/pciide_sl82c105_reg.h> 122 #include <dev/pci/pciide_i31244_reg.h> 123 #include <dev/pci/pciide_sii3112_reg.h> 124 #include <dev/pci/cy82c693var.h> 125 126 #include "opt_pciide.h" 127 128 /* inlines for reading/writing 8-bit PCI registers */ 129 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 130 int)); 131 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 132 int, u_int8_t)); 133 134 static __inline u_int8_t 135 pciide_pci_read(pc, pa, reg) 136 pci_chipset_tag_t pc; 137 pcitag_t pa; 138 int reg; 139 { 140 141 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 142 ((reg & 0x03) * 8) & 0xff); 143 } 144 145 static __inline void 146 pciide_pci_write(pc, pa, reg, val) 147 pci_chipset_tag_t pc; 148 pcitag_t pa; 149 int reg; 150 u_int8_t val; 151 { 152 pcireg_t pcival; 153 154 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 155 pcival &= ~(0xff << ((reg & 0x03) * 8)); 156 pcival |= (val << ((reg & 0x03) * 8)); 157 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 158 } 159 160 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 161 162 void sata_setup_channel __P((struct channel_softc*)); 163 164 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 165 void piix_setup_channel __P((struct channel_softc*)); 166 void piix3_4_setup_channel __P((struct channel_softc*)); 167 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 168 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 169 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 170 171 void amd7x6_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 172 void amd7x6_setup_channel __P((struct channel_softc*)); 173 174 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 175 void apollo_setup_channel __P((struct channel_softc*)); 176 177 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 178 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 179 void cmd0643_9_setup_channel __P((struct channel_softc*)); 180 void cmd_channel_map __P((struct pci_attach_args *, 181 struct pciide_softc *, int)); 182 int cmd_pci_intr __P((void *)); 183 void cmd646_9_irqack __P((struct channel_softc *)); 184 void cmd680_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 185 void cmd680_setup_channel __P((struct channel_softc*)); 186 void cmd680_channel_map __P((struct pci_attach_args *, 187 struct pciide_softc *, int)); 188 189 void cmd3112_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 190 void cmd3112_setup_channel __P((struct channel_softc*)); 191 192 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 193 void cy693_setup_channel __P((struct channel_softc*)); 194 195 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 196 void sis_setup_channel __P((struct channel_softc*)); 197 void sis96x_setup_channel __P((struct channel_softc*)); 198 static int sis_hostbr_match __P(( struct pci_attach_args *)); 199 static int sis_south_match __P(( struct pci_attach_args *)); 200 201 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 202 void acer_setup_channel __P((struct channel_softc*)); 203 int acer_pci_intr __P((void *)); 204 205 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 206 void pdc202xx_setup_channel __P((struct channel_softc*)); 207 void pdc20268_setup_channel __P((struct channel_softc*)); 208 int pdc202xx_pci_intr __P((void *)); 209 int pdc20265_pci_intr __P((void *)); 210 211 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 212 void opti_setup_channel __P((struct channel_softc*)); 213 214 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 215 void hpt_setup_channel __P((struct channel_softc*)); 216 int hpt_pci_intr __P((void *)); 217 218 void acard_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 219 void acard_setup_channel __P((struct channel_softc*)); 220 int acard_pci_intr __P((void *)); 221 222 void serverworks_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 223 void serverworks_setup_channel __P((struct channel_softc*)); 224 int serverworks_pci_intr __P((void *)); 225 226 void sl82c105_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 227 void sl82c105_setup_channel __P((struct channel_softc*)); 228 229 void pciide_channel_dma_setup __P((struct pciide_channel *)); 230 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 231 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 232 void pciide_dma_start __P((void*, int, int)); 233 int pciide_dma_finish __P((void*, int, int, int)); 234 void pciide_irqack __P((struct channel_softc *)); 235 void pciide_print_modes __P((struct pciide_channel *)); 236 237 void artisea_chip_map __P((struct pciide_softc*, struct pci_attach_args *)); 238 239 struct pciide_product_desc { 240 u_int32_t ide_product; 241 int ide_flags; 242 const char *ide_name; 243 /* map and setup chip, probe drives */ 244 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 245 }; 246 247 /* Flags for ide_flags */ 248 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 249 #define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */ 250 251 /* Default product description for devices not known from this controller */ 252 const struct pciide_product_desc default_product_desc = { 253 0, 254 0, 255 "Generic PCI IDE controller", 256 default_chip_map, 257 }; 258 259 const struct pciide_product_desc pciide_intel_products[] = { 260 { PCI_PRODUCT_INTEL_82092AA, 261 0, 262 "Intel 82092AA IDE controller", 263 default_chip_map, 264 }, 265 { PCI_PRODUCT_INTEL_82371FB_IDE, 266 0, 267 "Intel 82371FB IDE controller (PIIX)", 268 piix_chip_map, 269 }, 270 { PCI_PRODUCT_INTEL_82371SB_IDE, 271 0, 272 "Intel 82371SB IDE Interface (PIIX3)", 273 piix_chip_map, 274 }, 275 { PCI_PRODUCT_INTEL_82371AB_IDE, 276 0, 277 "Intel 82371AB IDE controller (PIIX4)", 278 piix_chip_map, 279 }, 280 { PCI_PRODUCT_INTEL_82440MX_IDE, 281 0, 282 "Intel 82440MX IDE controller", 283 piix_chip_map 284 }, 285 { PCI_PRODUCT_INTEL_82801AA_IDE, 286 0, 287 "Intel 82801AA IDE Controller (ICH)", 288 piix_chip_map, 289 }, 290 { PCI_PRODUCT_INTEL_82801AB_IDE, 291 0, 292 "Intel 82801AB IDE Controller (ICH0)", 293 piix_chip_map, 294 }, 295 { PCI_PRODUCT_INTEL_82801BA_IDE, 296 0, 297 "Intel 82801BA IDE Controller (ICH2)", 298 piix_chip_map, 299 }, 300 { PCI_PRODUCT_INTEL_82801BAM_IDE, 301 0, 302 "Intel 82801BAM IDE Controller (ICH2-M)", 303 piix_chip_map, 304 }, 305 { PCI_PRODUCT_INTEL_82801CA_IDE_1, 306 0, 307 "Intel 82801CA IDE Controller (ICH3)", 308 piix_chip_map, 309 }, 310 { PCI_PRODUCT_INTEL_82801CA_IDE_2, 311 0, 312 "Intel 82801CA IDE Controller (ICH3)", 313 piix_chip_map, 314 }, 315 { PCI_PRODUCT_INTEL_82801DB_IDE, 316 0, 317 "Intel 82801DB IDE Controller (ICH4)", 318 piix_chip_map, 319 }, 320 { PCI_PRODUCT_INTEL_82801DBM_IDE, 321 0, 322 "Intel 82801DBM IDE Controller (ICH4-M)", 323 piix_chip_map, 324 }, 325 { PCI_PRODUCT_INTEL_31244, 326 0, 327 "Intel 31244 Serial ATA Controller", 328 artisea_chip_map, 329 }, 330 { 0, 331 0, 332 NULL, 333 NULL 334 } 335 }; 336 337 const struct pciide_product_desc pciide_amd_products[] = { 338 { PCI_PRODUCT_AMD_PBC756_IDE, 339 0, 340 "Advanced Micro Devices AMD756 IDE Controller", 341 amd7x6_chip_map 342 }, 343 { PCI_PRODUCT_AMD_PBC766_IDE, 344 0, 345 "Advanced Micro Devices AMD766 IDE Controller", 346 amd7x6_chip_map 347 }, 348 { PCI_PRODUCT_AMD_PBC768_IDE, 349 0, 350 "Advanced Micro Devices AMD768 IDE Controller", 351 amd7x6_chip_map 352 }, 353 { PCI_PRODUCT_AMD_PBC8111_IDE, 354 0, 355 "Advanced Micro Devices AMD8111 IDE Controller", 356 amd7x6_chip_map 357 }, 358 { 0, 359 0, 360 NULL, 361 NULL 362 } 363 }; 364 365 const struct pciide_product_desc pciide_nvidia_products[] = { 366 { PCI_PRODUCT_NVIDIA_NFORCE_ATA100, 367 0, 368 "NVIDIA nForce IDE Controller", 369 amd7x6_chip_map 370 }, 371 { PCI_PRODUCT_NVIDIA_NFORCE2_ATA133, 372 0, 373 "NVIDIA nForce2 IDE Controller", 374 amd7x6_chip_map 375 }, 376 { 0, 377 0, 378 NULL, 379 NULL 380 } 381 }; 382 383 const struct pciide_product_desc pciide_cmd_products[] = { 384 { PCI_PRODUCT_CMDTECH_640, 385 0, 386 "CMD Technology PCI0640", 387 cmd_chip_map 388 }, 389 { PCI_PRODUCT_CMDTECH_643, 390 0, 391 "CMD Technology PCI0643", 392 cmd0643_9_chip_map, 393 }, 394 { PCI_PRODUCT_CMDTECH_646, 395 0, 396 "CMD Technology PCI0646", 397 cmd0643_9_chip_map, 398 }, 399 { PCI_PRODUCT_CMDTECH_648, 400 IDE_PCI_CLASS_OVERRIDE, 401 "CMD Technology PCI0648", 402 cmd0643_9_chip_map, 403 }, 404 { PCI_PRODUCT_CMDTECH_649, 405 IDE_PCI_CLASS_OVERRIDE, 406 "CMD Technology PCI0649", 407 cmd0643_9_chip_map, 408 }, 409 { PCI_PRODUCT_CMDTECH_680, 410 IDE_PCI_CLASS_OVERRIDE, 411 "Silicon Image 0680", 412 cmd680_chip_map, 413 }, 414 { PCI_PRODUCT_CMDTECH_3112, 415 IDE_PCI_CLASS_OVERRIDE, 416 "Silicon Image SATALink 3112", 417 cmd3112_chip_map, 418 }, 419 { 0, 420 0, 421 NULL, 422 NULL 423 } 424 }; 425 426 const struct pciide_product_desc pciide_via_products[] = { 427 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 428 0, 429 NULL, 430 apollo_chip_map, 431 }, 432 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 433 0, 434 NULL, 435 apollo_chip_map, 436 }, 437 { 0, 438 0, 439 NULL, 440 NULL 441 } 442 }; 443 444 const struct pciide_product_desc pciide_cypress_products[] = { 445 { PCI_PRODUCT_CONTAQ_82C693, 446 IDE_16BIT_IOSPACE, 447 "Cypress 82C693 IDE Controller", 448 cy693_chip_map, 449 }, 450 { 0, 451 0, 452 NULL, 453 NULL 454 } 455 }; 456 457 const struct pciide_product_desc pciide_sis_products[] = { 458 { PCI_PRODUCT_SIS_5597_IDE, 459 0, 460 NULL, 461 sis_chip_map, 462 }, 463 { 0, 464 0, 465 NULL, 466 NULL 467 } 468 }; 469 470 const struct pciide_product_desc pciide_acer_products[] = { 471 { PCI_PRODUCT_ALI_M5229, 472 0, 473 "Acer Labs M5229 UDMA IDE Controller", 474 acer_chip_map, 475 }, 476 { 0, 477 0, 478 NULL, 479 NULL 480 } 481 }; 482 483 const struct pciide_product_desc pciide_promise_products[] = { 484 { PCI_PRODUCT_PROMISE_ULTRA33, 485 IDE_PCI_CLASS_OVERRIDE, 486 "Promise Ultra33/ATA Bus Master IDE Accelerator", 487 pdc202xx_chip_map, 488 }, 489 { PCI_PRODUCT_PROMISE_ULTRA66, 490 IDE_PCI_CLASS_OVERRIDE, 491 "Promise Ultra66/ATA Bus Master IDE Accelerator", 492 pdc202xx_chip_map, 493 }, 494 { PCI_PRODUCT_PROMISE_ULTRA100, 495 IDE_PCI_CLASS_OVERRIDE, 496 "Promise Ultra100/ATA Bus Master IDE Accelerator", 497 pdc202xx_chip_map, 498 }, 499 { PCI_PRODUCT_PROMISE_ULTRA100X, 500 IDE_PCI_CLASS_OVERRIDE, 501 "Promise Ultra100/ATA Bus Master IDE Accelerator", 502 pdc202xx_chip_map, 503 }, 504 { PCI_PRODUCT_PROMISE_ULTRA100TX2, 505 IDE_PCI_CLASS_OVERRIDE, 506 "Promise Ultra100TX2/ATA Bus Master IDE Accelerator", 507 pdc202xx_chip_map, 508 }, 509 { PCI_PRODUCT_PROMISE_ULTRA100TX2v2, 510 IDE_PCI_CLASS_OVERRIDE, 511 "Promise Ultra100TX2v2/ATA Bus Master IDE Accelerator", 512 pdc202xx_chip_map, 513 }, 514 { PCI_PRODUCT_PROMISE_ULTRA133, 515 IDE_PCI_CLASS_OVERRIDE, 516 "Promise Ultra133/ATA Bus Master IDE Accelerator", 517 pdc202xx_chip_map, 518 }, 519 { PCI_PRODUCT_PROMISE_ULTRA133TX2, 520 IDE_PCI_CLASS_OVERRIDE, 521 "Promise Ultra133TX2/ATA Bus Master IDE Accelerator", 522 pdc202xx_chip_map, 523 }, 524 { PCI_PRODUCT_PROMISE_MBULTRA133, 525 IDE_PCI_CLASS_OVERRIDE, 526 "Promise Ultra133/ATA Bus Master IDE Accelerator (MB)", 527 pdc202xx_chip_map, 528 }, 529 { PCI_PRODUCT_PROMISE_ULTRA133TX2v2, 530 IDE_PCI_CLASS_OVERRIDE, 531 "Promise Ultra133TX2v2/ATA Bus Master IDE Accelerator", 532 pdc202xx_chip_map, 533 }, 534 { PCI_PRODUCT_PROMISE_FASTTRAK133LITE, 535 IDE_PCI_CLASS_OVERRIDE, 536 "Promise Fasttrak133 Lite Bus Master IDE Accelerator", 537 pdc202xx_chip_map, 538 }, 539 { PCI_PRODUCT_PROMISE_SATA150TX2PLUS, 540 IDE_PCI_CLASS_OVERRIDE, 541 "Promise Serial ATA/150 TX2plus Bus Master IDE Accelerator", 542 pdc202xx_chip_map, 543 }, 544 { 0, 545 0, 546 NULL, 547 NULL 548 } 549 }; 550 551 const struct pciide_product_desc pciide_opti_products[] = { 552 { PCI_PRODUCT_OPTI_82C621, 553 0, 554 "OPTi 82c621 PCI IDE controller", 555 opti_chip_map, 556 }, 557 { PCI_PRODUCT_OPTI_82C568, 558 0, 559 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 560 opti_chip_map, 561 }, 562 { PCI_PRODUCT_OPTI_82D568, 563 0, 564 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 565 opti_chip_map, 566 }, 567 { 0, 568 0, 569 NULL, 570 NULL 571 } 572 }; 573 574 const struct pciide_product_desc pciide_triones_products[] = { 575 { PCI_PRODUCT_TRIONES_HPT366, 576 IDE_PCI_CLASS_OVERRIDE, 577 NULL, 578 hpt_chip_map, 579 }, 580 { PCI_PRODUCT_TRIONES_HPT372, 581 IDE_PCI_CLASS_OVERRIDE, 582 NULL, 583 hpt_chip_map 584 }, 585 { PCI_PRODUCT_TRIONES_HPT374, 586 IDE_PCI_CLASS_OVERRIDE, 587 NULL, 588 hpt_chip_map 589 }, 590 { 0, 591 0, 592 NULL, 593 NULL 594 } 595 }; 596 597 const struct pciide_product_desc pciide_acard_products[] = { 598 { PCI_PRODUCT_ACARD_ATP850U, 599 IDE_PCI_CLASS_OVERRIDE, 600 "Acard ATP850U Ultra33 IDE Controller", 601 acard_chip_map, 602 }, 603 { PCI_PRODUCT_ACARD_ATP860, 604 IDE_PCI_CLASS_OVERRIDE, 605 "Acard ATP860 Ultra66 IDE Controller", 606 acard_chip_map, 607 }, 608 { PCI_PRODUCT_ACARD_ATP860A, 609 IDE_PCI_CLASS_OVERRIDE, 610 "Acard ATP860-A Ultra66 IDE Controller", 611 acard_chip_map, 612 }, 613 { 0, 614 0, 615 NULL, 616 NULL 617 } 618 }; 619 620 const struct pciide_product_desc pciide_serverworks_products[] = { 621 { PCI_PRODUCT_SERVERWORKS_OSB4_IDE, 622 0, 623 "ServerWorks OSB4 IDE Controller", 624 serverworks_chip_map, 625 }, 626 { PCI_PRODUCT_SERVERWORKS_CSB5_IDE, 627 0, 628 "ServerWorks CSB5 IDE Controller", 629 serverworks_chip_map, 630 }, 631 { PCI_PRODUCT_SERVERWORKS_CSB6_IDE, 632 0, 633 "ServerWorks CSB6 RAID/IDE Controller", 634 serverworks_chip_map, 635 }, 636 { 0, 637 0, 638 NULL, 639 } 640 }; 641 642 const struct pciide_product_desc pciide_symphony_products[] = { 643 { PCI_PRODUCT_SYMPHONY_82C105, 644 0, 645 "Symphony Labs 82C105 IDE controller", 646 sl82c105_chip_map, 647 }, 648 { 0, 649 0, 650 NULL, 651 } 652 }; 653 654 const struct pciide_product_desc pciide_winbond_products[] = { 655 { PCI_PRODUCT_WINBOND_W83C553F_1, 656 0, 657 "Winbond W83C553F IDE controller", 658 sl82c105_chip_map, 659 }, 660 { 0, 661 0, 662 NULL, 663 } 664 }; 665 666 struct pciide_vendor_desc { 667 u_int32_t ide_vendor; 668 const struct pciide_product_desc *ide_products; 669 }; 670 671 const struct pciide_vendor_desc pciide_vendors[] = { 672 { PCI_VENDOR_INTEL, pciide_intel_products }, 673 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 674 { PCI_VENDOR_VIATECH, pciide_via_products }, 675 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 676 { PCI_VENDOR_SIS, pciide_sis_products }, 677 { PCI_VENDOR_ALI, pciide_acer_products }, 678 { PCI_VENDOR_PROMISE, pciide_promise_products }, 679 { PCI_VENDOR_AMD, pciide_amd_products }, 680 { PCI_VENDOR_OPTI, pciide_opti_products }, 681 { PCI_VENDOR_TRIONES, pciide_triones_products }, 682 { PCI_VENDOR_ACARD, pciide_acard_products }, 683 { PCI_VENDOR_SERVERWORKS, pciide_serverworks_products }, 684 { PCI_VENDOR_SYMPHONY, pciide_symphony_products }, 685 { PCI_VENDOR_WINBOND, pciide_winbond_products }, 686 { PCI_VENDOR_NVIDIA, pciide_nvidia_products }, 687 { 0, NULL } 688 }; 689 690 /* options passed via the 'flags' config keyword */ 691 #define PCIIDE_OPTIONS_DMA 0x01 692 #define PCIIDE_OPTIONS_NODMA 0x02 693 694 int pciide_match __P((struct device *, struct cfdata *, void *)); 695 void pciide_attach __P((struct device *, struct device *, void *)); 696 697 CFATTACH_DECL(pciide, sizeof(struct pciide_softc), 698 pciide_match, pciide_attach, NULL, NULL); 699 700 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 701 int pciide_mapregs_compat __P(( struct pci_attach_args *, 702 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 703 int pciide_mapregs_native __P((struct pci_attach_args *, 704 struct pciide_channel *, bus_size_t *, bus_size_t *, 705 int (*pci_intr) __P((void *)))); 706 void pciide_mapreg_dma __P((struct pciide_softc *, 707 struct pci_attach_args *)); 708 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 709 void pciide_mapchan __P((struct pci_attach_args *, 710 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 711 int (*pci_intr) __P((void *)))); 712 int pciide_chan_candisable __P((struct pciide_channel *)); 713 void pciide_map_compat_intr __P(( struct pci_attach_args *, 714 struct pciide_channel *, int, int)); 715 int pciide_compat_intr __P((void *)); 716 int pciide_pci_intr __P((void *)); 717 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 718 719 const struct pciide_product_desc * 720 pciide_lookup_product(id) 721 u_int32_t id; 722 { 723 const struct pciide_product_desc *pp; 724 const struct pciide_vendor_desc *vp; 725 726 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 727 if (PCI_VENDOR(id) == vp->ide_vendor) 728 break; 729 730 if ((pp = vp->ide_products) == NULL) 731 return NULL; 732 733 for (; pp->chip_map != NULL; pp++) 734 if (PCI_PRODUCT(id) == pp->ide_product) 735 break; 736 737 if (pp->chip_map == NULL) 738 return NULL; 739 return pp; 740 } 741 742 int 743 pciide_match(parent, match, aux) 744 struct device *parent; 745 struct cfdata *match; 746 void *aux; 747 { 748 struct pci_attach_args *pa = aux; 749 const struct pciide_product_desc *pp; 750 751 /* 752 * Check the ID register to see that it's a PCI IDE controller. 753 * If it is, we assume that we can deal with it; it _should_ 754 * work in a standardized way... 755 */ 756 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 757 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 758 return (1); 759 } 760 761 /* 762 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 763 * controllers. Let see if we can deal with it anyway. 764 */ 765 pp = pciide_lookup_product(pa->pa_id); 766 if (pp != NULL && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 767 return (1); 768 } 769 770 return (0); 771 } 772 773 void 774 pciide_attach(parent, self, aux) 775 struct device *parent, *self; 776 void *aux; 777 { 778 struct pci_attach_args *pa = aux; 779 pci_chipset_tag_t pc = pa->pa_pc; 780 pcitag_t tag = pa->pa_tag; 781 struct pciide_softc *sc = (struct pciide_softc *)self; 782 pcireg_t csr; 783 char devinfo[256]; 784 const char *displaydev; 785 786 sc->sc_pci_vendor = PCI_VENDOR(pa->pa_id); 787 sc->sc_pp = pciide_lookup_product(pa->pa_id); 788 if (sc->sc_pp == NULL) { 789 sc->sc_pp = &default_product_desc; 790 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 791 displaydev = devinfo; 792 } else 793 displaydev = sc->sc_pp->ide_name; 794 795 /* if displaydev == NULL, printf is done in chip-specific map */ 796 if (displaydev) 797 printf(": %s (rev. 0x%02x)\n", displaydev, 798 PCI_REVISION(pa->pa_class)); 799 800 sc->sc_pc = pa->pa_pc; 801 sc->sc_tag = pa->pa_tag; 802 803 /* Set up DMA defaults; these might be adjusted by chip_map. */ 804 sc->sc_dma_maxsegsz = IDEDMA_BYTE_COUNT_MAX; 805 sc->sc_dma_boundary = IDEDMA_BYTE_COUNT_ALIGN; 806 807 #ifdef WDCDEBUG 808 if (wdcdebug_pciide_mask & DEBUG_PROBE) 809 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 810 #endif 811 sc->sc_pp->chip_map(sc, pa); 812 813 if (sc->sc_dma_ok) { 814 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 815 csr |= PCI_COMMAND_MASTER_ENABLE; 816 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 817 } 818 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 819 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 820 } 821 822 /* tell whether the chip is enabled or not */ 823 int 824 pciide_chipen(sc, pa) 825 struct pciide_softc *sc; 826 struct pci_attach_args *pa; 827 { 828 pcireg_t csr; 829 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 830 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 831 PCI_COMMAND_STATUS_REG); 832 printf("%s: device disabled (at %s)\n", 833 sc->sc_wdcdev.sc_dev.dv_xname, 834 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 835 "device" : "bridge"); 836 return 0; 837 } 838 return 1; 839 } 840 841 int 842 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 843 struct pci_attach_args *pa; 844 struct pciide_channel *cp; 845 int compatchan; 846 bus_size_t *cmdsizep, *ctlsizep; 847 { 848 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 849 struct channel_softc *wdc_cp = &cp->wdc_channel; 850 851 cp->compat = 1; 852 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 853 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 854 855 wdc_cp->cmd_iot = pa->pa_iot; 856 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 857 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 858 printf("%s: couldn't map %s channel cmd regs\n", 859 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 860 return (0); 861 } 862 863 wdc_cp->ctl_iot = pa->pa_iot; 864 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 865 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 866 printf("%s: couldn't map %s channel ctl regs\n", 867 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 868 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 869 PCIIDE_COMPAT_CMD_SIZE); 870 return (0); 871 } 872 873 return (1); 874 } 875 876 int 877 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 878 struct pci_attach_args * pa; 879 struct pciide_channel *cp; 880 bus_size_t *cmdsizep, *ctlsizep; 881 int (*pci_intr) __P((void *)); 882 { 883 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 884 struct channel_softc *wdc_cp = &cp->wdc_channel; 885 const char *intrstr; 886 pci_intr_handle_t intrhandle; 887 888 cp->compat = 0; 889 890 if (sc->sc_pci_ih == NULL) { 891 if (pci_intr_map(pa, &intrhandle) != 0) { 892 printf("%s: couldn't map native-PCI interrupt\n", 893 sc->sc_wdcdev.sc_dev.dv_xname); 894 return 0; 895 } 896 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 897 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 898 intrhandle, IPL_BIO, pci_intr, sc); 899 if (sc->sc_pci_ih != NULL) { 900 printf("%s: using %s for native-PCI interrupt\n", 901 sc->sc_wdcdev.sc_dev.dv_xname, 902 intrstr ? intrstr : "unknown interrupt"); 903 } else { 904 printf("%s: couldn't establish native-PCI interrupt", 905 sc->sc_wdcdev.sc_dev.dv_xname); 906 if (intrstr != NULL) 907 printf(" at %s", intrstr); 908 printf("\n"); 909 return 0; 910 } 911 } 912 cp->ih = sc->sc_pci_ih; 913 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 914 PCI_MAPREG_TYPE_IO, 0, 915 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 916 printf("%s: couldn't map %s channel cmd regs\n", 917 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 918 return 0; 919 } 920 921 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 922 PCI_MAPREG_TYPE_IO, 0, 923 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) { 924 printf("%s: couldn't map %s channel ctl regs\n", 925 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 926 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 927 return 0; 928 } 929 /* 930 * In native mode, 4 bytes of I/O space are mapped for the control 931 * register, the control register is at offset 2. Pass the generic 932 * code a handle for only one byte at the right offset. 933 */ 934 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, 935 &wdc_cp->ctl_ioh) != 0) { 936 printf("%s: unable to subregion %s channel ctl regs\n", 937 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 938 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 939 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); 940 return 0; 941 } 942 return (1); 943 } 944 945 void 946 pciide_mapreg_dma(sc, pa) 947 struct pciide_softc *sc; 948 struct pci_attach_args *pa; 949 { 950 pcireg_t maptype; 951 bus_addr_t addr; 952 953 /* 954 * Map DMA registers 955 * 956 * Note that sc_dma_ok is the right variable to test to see if 957 * DMA can be done. If the interface doesn't support DMA, 958 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 959 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 960 * non-zero if the interface supports DMA and the registers 961 * could be mapped. 962 * 963 * XXX Note that despite the fact that the Bus Master IDE specs 964 * XXX say that "The bus master IDE function uses 16 bytes of IO 965 * XXX space," some controllers (at least the United 966 * XXX Microelectronics UM8886BF) place it in memory space. 967 */ 968 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 969 PCIIDE_REG_BUS_MASTER_DMA); 970 971 switch (maptype) { 972 case PCI_MAPREG_TYPE_IO: 973 sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 974 PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO, 975 &addr, NULL, NULL) == 0); 976 if (sc->sc_dma_ok == 0) { 977 printf(", but unused (couldn't query registers)"); 978 break; 979 } 980 if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE) 981 && addr >= 0x10000) { 982 sc->sc_dma_ok = 0; 983 printf(", but unused (registers at unsafe address " 984 "%#lx)", (unsigned long)addr); 985 break; 986 } 987 /* FALLTHROUGH */ 988 989 case PCI_MAPREG_MEM_TYPE_32BIT: 990 sc->sc_dma_ok = (pci_mapreg_map(pa, 991 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 992 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 993 sc->sc_dmat = pa->pa_dmat; 994 if (sc->sc_dma_ok == 0) { 995 printf(", but unused (couldn't map registers)"); 996 } else { 997 sc->sc_wdcdev.dma_arg = sc; 998 sc->sc_wdcdev.dma_init = pciide_dma_init; 999 sc->sc_wdcdev.dma_start = pciide_dma_start; 1000 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 1001 } 1002 1003 if (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1004 PCIIDE_OPTIONS_NODMA) { 1005 printf(", but unused (forced off by config file)"); 1006 sc->sc_dma_ok = 0; 1007 } 1008 break; 1009 1010 default: 1011 sc->sc_dma_ok = 0; 1012 printf(", but unsupported register maptype (0x%x)", maptype); 1013 } 1014 } 1015 1016 int 1017 pciide_compat_intr(arg) 1018 void *arg; 1019 { 1020 struct pciide_channel *cp = arg; 1021 1022 #ifdef DIAGNOSTIC 1023 /* should only be called for a compat channel */ 1024 if (cp->compat == 0) 1025 panic("pciide compat intr called for non-compat chan %p", cp); 1026 #endif 1027 return (wdcintr(&cp->wdc_channel)); 1028 } 1029 1030 int 1031 pciide_pci_intr(arg) 1032 void *arg; 1033 { 1034 struct pciide_softc *sc = arg; 1035 struct pciide_channel *cp; 1036 struct channel_softc *wdc_cp; 1037 int i, rv, crv; 1038 1039 rv = 0; 1040 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 1041 cp = &sc->pciide_channels[i]; 1042 wdc_cp = &cp->wdc_channel; 1043 1044 /* If a compat channel skip. */ 1045 if (cp->compat) 1046 continue; 1047 /* if this channel not waiting for intr, skip */ 1048 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 1049 continue; 1050 1051 crv = wdcintr(wdc_cp); 1052 if (crv == 0) 1053 ; /* leave rv alone */ 1054 else if (crv == 1) 1055 rv = 1; /* claim the intr */ 1056 else if (rv == 0) /* crv should be -1 in this case */ 1057 rv = crv; /* if we've done no better, take it */ 1058 } 1059 return (rv); 1060 } 1061 1062 void 1063 pciide_channel_dma_setup(cp) 1064 struct pciide_channel *cp; 1065 { 1066 int drive; 1067 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1068 struct ata_drive_datas *drvp; 1069 1070 for (drive = 0; drive < 2; drive++) { 1071 drvp = &cp->wdc_channel.ch_drive[drive]; 1072 /* If no drive, skip */ 1073 if ((drvp->drive_flags & DRIVE) == 0) 1074 continue; 1075 /* setup DMA if needed */ 1076 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1077 (drvp->drive_flags & DRIVE_UDMA) == 0) || 1078 sc->sc_dma_ok == 0) { 1079 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 1080 continue; 1081 } 1082 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 1083 != 0) { 1084 /* Abort DMA setup */ 1085 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 1086 continue; 1087 } 1088 } 1089 } 1090 1091 int 1092 pciide_dma_table_setup(sc, channel, drive) 1093 struct pciide_softc *sc; 1094 int channel, drive; 1095 { 1096 bus_dma_segment_t seg; 1097 int error, rseg; 1098 const bus_size_t dma_table_size = 1099 sizeof(struct idedma_table) * NIDEDMA_TABLES; 1100 struct pciide_dma_maps *dma_maps = 1101 &sc->pciide_channels[channel].dma_maps[drive]; 1102 1103 /* If table was already allocated, just return */ 1104 if (dma_maps->dma_table) 1105 return 0; 1106 1107 /* Allocate memory for the DMA tables and map it */ 1108 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 1109 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 1110 BUS_DMA_NOWAIT)) != 0) { 1111 printf("%s:%d: unable to allocate table DMA for " 1112 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1113 channel, drive, error); 1114 return error; 1115 } 1116 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 1117 dma_table_size, 1118 (caddr_t *)&dma_maps->dma_table, 1119 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 1120 printf("%s:%d: unable to map table DMA for" 1121 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1122 channel, drive, error); 1123 return error; 1124 } 1125 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %lu, " 1126 "phy 0x%lx\n", dma_maps->dma_table, (u_long)dma_table_size, 1127 (unsigned long)seg.ds_addr), DEBUG_PROBE); 1128 1129 /* Create and load table DMA map for this disk */ 1130 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 1131 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 1132 &dma_maps->dmamap_table)) != 0) { 1133 printf("%s:%d: unable to create table DMA map for " 1134 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1135 channel, drive, error); 1136 return error; 1137 } 1138 if ((error = bus_dmamap_load(sc->sc_dmat, 1139 dma_maps->dmamap_table, 1140 dma_maps->dma_table, 1141 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 1142 printf("%s:%d: unable to load table DMA map for " 1143 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1144 channel, drive, error); 1145 return error; 1146 } 1147 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 1148 (unsigned long)dma_maps->dmamap_table->dm_segs[0].ds_addr), 1149 DEBUG_PROBE); 1150 /* Create a xfer DMA map for this drive */ 1151 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 1152 NIDEDMA_TABLES, sc->sc_dma_maxsegsz, sc->sc_dma_boundary, 1153 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 1154 &dma_maps->dmamap_xfer)) != 0) { 1155 printf("%s:%d: unable to create xfer DMA map for " 1156 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1157 channel, drive, error); 1158 return error; 1159 } 1160 return 0; 1161 } 1162 1163 int 1164 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 1165 void *v; 1166 int channel, drive; 1167 void *databuf; 1168 size_t datalen; 1169 int flags; 1170 { 1171 struct pciide_softc *sc = v; 1172 int error, seg; 1173 struct pciide_dma_maps *dma_maps = 1174 &sc->pciide_channels[channel].dma_maps[drive]; 1175 1176 error = bus_dmamap_load(sc->sc_dmat, 1177 dma_maps->dmamap_xfer, 1178 databuf, datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING | 1179 ((flags & WDC_DMA_READ) ? BUS_DMA_READ : BUS_DMA_WRITE)); 1180 if (error) { 1181 printf("%s:%d: unable to load xfer DMA map for" 1182 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 1183 channel, drive, error); 1184 return error; 1185 } 1186 1187 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1188 dma_maps->dmamap_xfer->dm_mapsize, 1189 (flags & WDC_DMA_READ) ? 1190 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 1191 1192 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 1193 #ifdef DIAGNOSTIC 1194 /* A segment must not cross a 64k boundary */ 1195 { 1196 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 1197 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 1198 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 1199 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 1200 printf("pciide_dma: segment %d physical addr 0x%lx" 1201 " len 0x%lx not properly aligned\n", 1202 seg, phys, len); 1203 panic("pciide_dma: buf align"); 1204 } 1205 } 1206 #endif 1207 dma_maps->dma_table[seg].base_addr = 1208 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 1209 dma_maps->dma_table[seg].byte_count = 1210 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 1211 IDEDMA_BYTE_COUNT_MASK); 1212 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 1213 seg, le32toh(dma_maps->dma_table[seg].byte_count), 1214 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 1215 1216 } 1217 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 1218 htole32(IDEDMA_BYTE_COUNT_EOT); 1219 1220 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 1221 dma_maps->dmamap_table->dm_mapsize, 1222 BUS_DMASYNC_PREWRITE); 1223 1224 /* Maps are ready. Start DMA function */ 1225 #ifdef DIAGNOSTIC 1226 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 1227 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 1228 (u_long)dma_maps->dmamap_table->dm_segs[0].ds_addr); 1229 panic("pciide_dma_init: table align"); 1230 } 1231 #endif 1232 1233 /* Clear status bits */ 1234 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1235 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 1236 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1237 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 1238 /* Write table addr */ 1239 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 1240 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 1241 dma_maps->dmamap_table->dm_segs[0].ds_addr); 1242 /* set read/write */ 1243 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1244 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1245 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 1246 /* remember flags */ 1247 dma_maps->dma_flags = flags; 1248 return 0; 1249 } 1250 1251 void 1252 pciide_dma_start(v, channel, drive) 1253 void *v; 1254 int channel, drive; 1255 { 1256 struct pciide_softc *sc = v; 1257 1258 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 1259 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1260 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1261 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1262 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 1263 } 1264 1265 int 1266 pciide_dma_finish(v, channel, drive, force) 1267 void *v; 1268 int channel, drive; 1269 int force; 1270 { 1271 struct pciide_softc *sc = v; 1272 u_int8_t status; 1273 int error = 0; 1274 struct pciide_dma_maps *dma_maps = 1275 &sc->pciide_channels[channel].dma_maps[drive]; 1276 1277 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1278 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 1279 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 1280 DEBUG_XFERS); 1281 1282 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 1283 return WDC_DMAST_NOIRQ; 1284 1285 /* stop DMA channel */ 1286 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1287 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1288 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1289 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1290 1291 /* Unload the map of the data buffer */ 1292 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1293 dma_maps->dmamap_xfer->dm_mapsize, 1294 (dma_maps->dma_flags & WDC_DMA_READ) ? 1295 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1296 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1297 1298 if ((status & IDEDMA_CTL_ERR) != 0) { 1299 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1300 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1301 error |= WDC_DMAST_ERR; 1302 } 1303 1304 if ((status & IDEDMA_CTL_INTR) == 0) { 1305 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1306 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1307 drive, status); 1308 error |= WDC_DMAST_NOIRQ; 1309 } 1310 1311 if ((status & IDEDMA_CTL_ACT) != 0) { 1312 /* data underrun, may be a valid condition for ATAPI */ 1313 error |= WDC_DMAST_UNDER; 1314 } 1315 return error; 1316 } 1317 1318 void 1319 pciide_irqack(chp) 1320 struct channel_softc *chp; 1321 { 1322 struct pciide_channel *cp = (struct pciide_channel*)chp; 1323 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1324 1325 /* clear status bits in IDE DMA registers */ 1326 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1327 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1328 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1329 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1330 } 1331 1332 /* some common code used by several chip_map */ 1333 int 1334 pciide_chansetup(sc, channel, interface) 1335 struct pciide_softc *sc; 1336 int channel; 1337 pcireg_t interface; 1338 { 1339 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1340 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1341 cp->name = PCIIDE_CHANNEL_NAME(channel); 1342 cp->wdc_channel.channel = channel; 1343 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1344 cp->wdc_channel.ch_queue = 1345 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1346 if (cp->wdc_channel.ch_queue == NULL) { 1347 printf("%s %s channel: " 1348 "can't allocate memory for command queue", 1349 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1350 return 0; 1351 } 1352 printf("%s: %s channel %s to %s mode\n", 1353 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1354 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1355 "configured" : "wired", 1356 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1357 "native-PCI" : "compatibility"); 1358 return 1; 1359 } 1360 1361 /* some common code used by several chip channel_map */ 1362 void 1363 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1364 struct pci_attach_args *pa; 1365 struct pciide_channel *cp; 1366 pcireg_t interface; 1367 bus_size_t *cmdsizep, *ctlsizep; 1368 int (*pci_intr) __P((void *)); 1369 { 1370 struct channel_softc *wdc_cp = &cp->wdc_channel; 1371 1372 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1373 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1374 pci_intr); 1375 else 1376 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1377 wdc_cp->channel, cmdsizep, ctlsizep); 1378 1379 if (cp->hw_ok == 0) 1380 return; 1381 wdc_cp->data32iot = wdc_cp->cmd_iot; 1382 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1383 wdcattach(wdc_cp); 1384 } 1385 1386 /* 1387 * Generic code to call to know if a channel can be disabled. Return 1 1388 * if channel can be disabled, 0 if not 1389 */ 1390 int 1391 pciide_chan_candisable(cp) 1392 struct pciide_channel *cp; 1393 { 1394 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1395 struct channel_softc *wdc_cp = &cp->wdc_channel; 1396 1397 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1398 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1399 printf("%s: disabling %s channel (no drives)\n", 1400 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1401 cp->hw_ok = 0; 1402 return 1; 1403 } 1404 return 0; 1405 } 1406 1407 /* 1408 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1409 * Set hw_ok=0 on failure 1410 */ 1411 void 1412 pciide_map_compat_intr(pa, cp, compatchan, interface) 1413 struct pci_attach_args *pa; 1414 struct pciide_channel *cp; 1415 int compatchan, interface; 1416 { 1417 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1418 struct channel_softc *wdc_cp = &cp->wdc_channel; 1419 1420 if (cp->hw_ok == 0) 1421 return; 1422 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1423 return; 1424 1425 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 1426 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1427 pa, compatchan, pciide_compat_intr, cp); 1428 if (cp->ih == NULL) { 1429 #endif 1430 printf("%s: no compatibility interrupt for use by %s " 1431 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1432 cp->hw_ok = 0; 1433 #ifdef __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 1434 } 1435 #endif 1436 } 1437 1438 void 1439 pciide_print_modes(cp) 1440 struct pciide_channel *cp; 1441 { 1442 wdc_print_modes(&cp->wdc_channel); 1443 } 1444 1445 void 1446 default_chip_map(sc, pa) 1447 struct pciide_softc *sc; 1448 struct pci_attach_args *pa; 1449 { 1450 struct pciide_channel *cp; 1451 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1452 pcireg_t csr; 1453 int channel, drive; 1454 struct ata_drive_datas *drvp; 1455 u_int8_t idedma_ctl; 1456 bus_size_t cmdsize, ctlsize; 1457 char *failreason; 1458 1459 if (pciide_chipen(sc, pa) == 0) 1460 return; 1461 1462 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1463 printf("%s: bus-master DMA support present", 1464 sc->sc_wdcdev.sc_dev.dv_xname); 1465 if (sc->sc_pp == &default_product_desc && 1466 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1467 PCIIDE_OPTIONS_DMA) == 0) { 1468 printf(", but unused (no driver support)"); 1469 sc->sc_dma_ok = 0; 1470 } else { 1471 pciide_mapreg_dma(sc, pa); 1472 if (sc->sc_dma_ok != 0) 1473 printf(", used without full driver " 1474 "support"); 1475 } 1476 } else { 1477 printf("%s: hardware does not support DMA", 1478 sc->sc_wdcdev.sc_dev.dv_xname); 1479 sc->sc_dma_ok = 0; 1480 } 1481 printf("\n"); 1482 if (sc->sc_dma_ok) { 1483 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1484 sc->sc_wdcdev.irqack = pciide_irqack; 1485 } 1486 sc->sc_wdcdev.PIO_cap = 0; 1487 sc->sc_wdcdev.DMA_cap = 0; 1488 1489 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1490 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1491 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1492 1493 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1494 cp = &sc->pciide_channels[channel]; 1495 if (pciide_chansetup(sc, channel, interface) == 0) 1496 continue; 1497 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1498 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1499 &ctlsize, pciide_pci_intr); 1500 } else { 1501 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1502 channel, &cmdsize, &ctlsize); 1503 } 1504 if (cp->hw_ok == 0) 1505 continue; 1506 /* 1507 * Check to see if something appears to be there. 1508 */ 1509 failreason = NULL; 1510 if (!wdcprobe(&cp->wdc_channel)) { 1511 failreason = "not responding; disabled or no drives?"; 1512 goto next; 1513 } 1514 /* 1515 * Now, make sure it's actually attributable to this PCI IDE 1516 * channel by trying to access the channel again while the 1517 * PCI IDE controller's I/O space is disabled. (If the 1518 * channel no longer appears to be there, it belongs to 1519 * this controller.) YUCK! 1520 */ 1521 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1522 PCI_COMMAND_STATUS_REG); 1523 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1524 csr & ~PCI_COMMAND_IO_ENABLE); 1525 if (wdcprobe(&cp->wdc_channel)) 1526 failreason = "other hardware responding at addresses"; 1527 pci_conf_write(sc->sc_pc, sc->sc_tag, 1528 PCI_COMMAND_STATUS_REG, csr); 1529 next: 1530 if (failreason) { 1531 printf("%s: %s channel ignored (%s)\n", 1532 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1533 failreason); 1534 cp->hw_ok = 0; 1535 bus_space_unmap(cp->wdc_channel.cmd_iot, 1536 cp->wdc_channel.cmd_ioh, cmdsize); 1537 if (interface & PCIIDE_INTERFACE_PCI(channel)) 1538 bus_space_unmap(cp->wdc_channel.ctl_iot, 1539 cp->ctl_baseioh, ctlsize); 1540 else 1541 bus_space_unmap(cp->wdc_channel.ctl_iot, 1542 cp->wdc_channel.ctl_ioh, ctlsize); 1543 } else { 1544 pciide_map_compat_intr(pa, cp, channel, interface); 1545 } 1546 if (cp->hw_ok) { 1547 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1548 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1549 wdcattach(&cp->wdc_channel); 1550 } 1551 } 1552 1553 if (sc->sc_dma_ok == 0) 1554 return; 1555 1556 /* Allocate DMA maps */ 1557 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1558 idedma_ctl = 0; 1559 cp = &sc->pciide_channels[channel]; 1560 for (drive = 0; drive < 2; drive++) { 1561 drvp = &cp->wdc_channel.ch_drive[drive]; 1562 /* If no drive, skip */ 1563 if ((drvp->drive_flags & DRIVE) == 0) 1564 continue; 1565 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1566 continue; 1567 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1568 /* Abort DMA setup */ 1569 printf("%s:%d:%d: can't allocate DMA maps, " 1570 "using PIO transfers\n", 1571 sc->sc_wdcdev.sc_dev.dv_xname, 1572 channel, drive); 1573 drvp->drive_flags &= ~DRIVE_DMA; 1574 } 1575 printf("%s:%d:%d: using DMA data transfers\n", 1576 sc->sc_wdcdev.sc_dev.dv_xname, 1577 channel, drive); 1578 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1579 } 1580 if (idedma_ctl != 0) { 1581 /* Add software bits in status register */ 1582 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1583 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1584 idedma_ctl); 1585 } 1586 } 1587 } 1588 1589 void 1590 sata_setup_channel(chp) 1591 struct channel_softc *chp; 1592 { 1593 struct ata_drive_datas *drvp; 1594 int drive; 1595 u_int32_t idedma_ctl; 1596 struct pciide_channel *cp = (struct pciide_channel*)chp; 1597 struct pciide_softc *sc = (struct pciide_softc*)cp->wdc_channel.wdc; 1598 1599 /* setup DMA if needed */ 1600 pciide_channel_dma_setup(cp); 1601 1602 idedma_ctl = 0; 1603 1604 for (drive = 0; drive < 2; drive++) { 1605 drvp = &chp->ch_drive[drive]; 1606 /* If no drive, skip */ 1607 if ((drvp->drive_flags & DRIVE) == 0) 1608 continue; 1609 if (drvp->drive_flags & DRIVE_UDMA) { 1610 /* use Ultra/DMA */ 1611 drvp->drive_flags &= ~DRIVE_DMA; 1612 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1613 } else if (drvp->drive_flags & DRIVE_DMA) { 1614 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1615 } 1616 } 1617 1618 /* 1619 * Nothing to do to setup modes; it is meaningless in S-ATA 1620 * (but many S-ATA drives still want to get the SET_FEATURE 1621 * command). 1622 */ 1623 if (idedma_ctl != 0) { 1624 /* Add software bits in status register */ 1625 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1626 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1627 idedma_ctl); 1628 } 1629 pciide_print_modes(cp); 1630 } 1631 1632 void 1633 piix_chip_map(sc, pa) 1634 struct pciide_softc *sc; 1635 struct pci_attach_args *pa; 1636 { 1637 struct pciide_channel *cp; 1638 int channel; 1639 u_int32_t idetim; 1640 bus_size_t cmdsize, ctlsize; 1641 1642 if (pciide_chipen(sc, pa) == 0) 1643 return; 1644 1645 printf("%s: bus-master DMA support present", 1646 sc->sc_wdcdev.sc_dev.dv_xname); 1647 pciide_mapreg_dma(sc, pa); 1648 printf("\n"); 1649 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1650 WDC_CAPABILITY_MODE; 1651 if (sc->sc_dma_ok) { 1652 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1653 sc->sc_wdcdev.irqack = pciide_irqack; 1654 switch(sc->sc_pp->ide_product) { 1655 case PCI_PRODUCT_INTEL_82371AB_IDE: 1656 case PCI_PRODUCT_INTEL_82440MX_IDE: 1657 case PCI_PRODUCT_INTEL_82801AA_IDE: 1658 case PCI_PRODUCT_INTEL_82801AB_IDE: 1659 case PCI_PRODUCT_INTEL_82801BA_IDE: 1660 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1661 case PCI_PRODUCT_INTEL_82801CA_IDE_1: 1662 case PCI_PRODUCT_INTEL_82801CA_IDE_2: 1663 case PCI_PRODUCT_INTEL_82801DB_IDE: 1664 case PCI_PRODUCT_INTEL_82801DBM_IDE: 1665 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1666 } 1667 } 1668 sc->sc_wdcdev.PIO_cap = 4; 1669 sc->sc_wdcdev.DMA_cap = 2; 1670 switch(sc->sc_pp->ide_product) { 1671 case PCI_PRODUCT_INTEL_82801AA_IDE: 1672 sc->sc_wdcdev.UDMA_cap = 4; 1673 break; 1674 case PCI_PRODUCT_INTEL_82801BA_IDE: 1675 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1676 case PCI_PRODUCT_INTEL_82801CA_IDE_1: 1677 case PCI_PRODUCT_INTEL_82801CA_IDE_2: 1678 case PCI_PRODUCT_INTEL_82801DB_IDE: 1679 case PCI_PRODUCT_INTEL_82801DBM_IDE: 1680 sc->sc_wdcdev.UDMA_cap = 5; 1681 break; 1682 default: 1683 sc->sc_wdcdev.UDMA_cap = 2; 1684 } 1685 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1686 sc->sc_wdcdev.set_modes = piix_setup_channel; 1687 else 1688 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1689 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1690 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1691 1692 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1693 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1694 DEBUG_PROBE); 1695 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1696 WDCDEBUG_PRINT((", sidetim=0x%x", 1697 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1698 DEBUG_PROBE); 1699 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1700 WDCDEBUG_PRINT((", udamreg 0x%x", 1701 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1702 DEBUG_PROBE); 1703 } 1704 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1705 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1706 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1707 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1708 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1709 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1710 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1711 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE) { 1712 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1713 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1714 DEBUG_PROBE); 1715 } 1716 1717 } 1718 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1719 1720 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1721 cp = &sc->pciide_channels[channel]; 1722 /* PIIX is compat-only */ 1723 if (pciide_chansetup(sc, channel, 0) == 0) 1724 continue; 1725 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1726 if ((PIIX_IDETIM_READ(idetim, channel) & 1727 PIIX_IDETIM_IDE) == 0) { 1728 printf("%s: %s channel ignored (disabled)\n", 1729 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1730 continue; 1731 } 1732 /* PIIX are compat-only pciide devices */ 1733 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1734 if (cp->hw_ok == 0) 1735 continue; 1736 if (pciide_chan_candisable(cp)) { 1737 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1738 channel); 1739 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1740 idetim); 1741 } 1742 pciide_map_compat_intr(pa, cp, channel, 0); 1743 if (cp->hw_ok == 0) 1744 continue; 1745 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1746 } 1747 1748 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1749 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1750 DEBUG_PROBE); 1751 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1752 WDCDEBUG_PRINT((", sidetim=0x%x", 1753 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1754 DEBUG_PROBE); 1755 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1756 WDCDEBUG_PRINT((", udamreg 0x%x", 1757 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1758 DEBUG_PROBE); 1759 } 1760 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1761 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1762 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1763 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1764 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1765 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1766 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1767 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE) { 1768 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1769 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1770 DEBUG_PROBE); 1771 } 1772 } 1773 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1774 } 1775 1776 void 1777 piix_setup_channel(chp) 1778 struct channel_softc *chp; 1779 { 1780 u_int8_t mode[2], drive; 1781 u_int32_t oidetim, idetim, idedma_ctl; 1782 struct pciide_channel *cp = (struct pciide_channel*)chp; 1783 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1784 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1785 1786 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1787 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1788 idedma_ctl = 0; 1789 1790 /* set up new idetim: Enable IDE registers decode */ 1791 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1792 chp->channel); 1793 1794 /* setup DMA */ 1795 pciide_channel_dma_setup(cp); 1796 1797 /* 1798 * Here we have to mess up with drives mode: PIIX can't have 1799 * different timings for master and slave drives. 1800 * We need to find the best combination. 1801 */ 1802 1803 /* If both drives supports DMA, take the lower mode */ 1804 if ((drvp[0].drive_flags & DRIVE_DMA) && 1805 (drvp[1].drive_flags & DRIVE_DMA)) { 1806 mode[0] = mode[1] = 1807 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1808 drvp[0].DMA_mode = mode[0]; 1809 drvp[1].DMA_mode = mode[1]; 1810 goto ok; 1811 } 1812 /* 1813 * If only one drive supports DMA, use its mode, and 1814 * put the other one in PIO mode 0 if mode not compatible 1815 */ 1816 if (drvp[0].drive_flags & DRIVE_DMA) { 1817 mode[0] = drvp[0].DMA_mode; 1818 mode[1] = drvp[1].PIO_mode; 1819 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1820 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1821 mode[1] = drvp[1].PIO_mode = 0; 1822 goto ok; 1823 } 1824 if (drvp[1].drive_flags & DRIVE_DMA) { 1825 mode[1] = drvp[1].DMA_mode; 1826 mode[0] = drvp[0].PIO_mode; 1827 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1828 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1829 mode[0] = drvp[0].PIO_mode = 0; 1830 goto ok; 1831 } 1832 /* 1833 * If both drives are not DMA, takes the lower mode, unless 1834 * one of them is PIO mode < 2 1835 */ 1836 if (drvp[0].PIO_mode < 2) { 1837 mode[0] = drvp[0].PIO_mode = 0; 1838 mode[1] = drvp[1].PIO_mode; 1839 } else if (drvp[1].PIO_mode < 2) { 1840 mode[1] = drvp[1].PIO_mode = 0; 1841 mode[0] = drvp[0].PIO_mode; 1842 } else { 1843 mode[0] = mode[1] = 1844 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1845 drvp[0].PIO_mode = mode[0]; 1846 drvp[1].PIO_mode = mode[1]; 1847 } 1848 ok: /* The modes are setup */ 1849 for (drive = 0; drive < 2; drive++) { 1850 if (drvp[drive].drive_flags & DRIVE_DMA) { 1851 idetim |= piix_setup_idetim_timings( 1852 mode[drive], 1, chp->channel); 1853 goto end; 1854 } 1855 } 1856 /* If we are there, none of the drives are DMA */ 1857 if (mode[0] >= 2) 1858 idetim |= piix_setup_idetim_timings( 1859 mode[0], 0, chp->channel); 1860 else 1861 idetim |= piix_setup_idetim_timings( 1862 mode[1], 0, chp->channel); 1863 end: /* 1864 * timing mode is now set up in the controller. Enable 1865 * it per-drive 1866 */ 1867 for (drive = 0; drive < 2; drive++) { 1868 /* If no drive, skip */ 1869 if ((drvp[drive].drive_flags & DRIVE) == 0) 1870 continue; 1871 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1872 if (drvp[drive].drive_flags & DRIVE_DMA) 1873 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1874 } 1875 if (idedma_ctl != 0) { 1876 /* Add software bits in status register */ 1877 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1878 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1879 idedma_ctl); 1880 } 1881 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1882 pciide_print_modes(cp); 1883 } 1884 1885 void 1886 piix3_4_setup_channel(chp) 1887 struct channel_softc *chp; 1888 { 1889 struct ata_drive_datas *drvp; 1890 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1891 struct pciide_channel *cp = (struct pciide_channel*)chp; 1892 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1893 int drive; 1894 int channel = chp->channel; 1895 1896 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1897 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1898 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1899 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1900 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1901 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1902 PIIX_SIDETIM_RTC_MASK(channel)); 1903 1904 idedma_ctl = 0; 1905 /* If channel disabled, no need to go further */ 1906 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1907 return; 1908 /* set up new idetim: Enable IDE registers decode */ 1909 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1910 1911 /* setup DMA if needed */ 1912 pciide_channel_dma_setup(cp); 1913 1914 for (drive = 0; drive < 2; drive++) { 1915 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1916 PIIX_UDMATIM_SET(0x3, channel, drive)); 1917 drvp = &chp->ch_drive[drive]; 1918 /* If no drive, skip */ 1919 if ((drvp->drive_flags & DRIVE) == 0) 1920 continue; 1921 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1922 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1923 goto pio; 1924 1925 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1926 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1927 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1928 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1929 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1930 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1931 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1932 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE) { 1933 ideconf |= PIIX_CONFIG_PINGPONG; 1934 } 1935 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1936 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || 1937 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_1 || 1938 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE_2 || 1939 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || 1940 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE) { 1941 /* setup Ultra/100 */ 1942 if (drvp->UDMA_mode > 2 && 1943 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1944 drvp->UDMA_mode = 2; 1945 if (drvp->UDMA_mode > 4) { 1946 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1947 } else { 1948 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1949 if (drvp->UDMA_mode > 2) { 1950 ideconf |= PIIX_CONFIG_UDMA66(channel, 1951 drive); 1952 } else { 1953 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1954 drive); 1955 } 1956 } 1957 } 1958 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1959 /* setup Ultra/66 */ 1960 if (drvp->UDMA_mode > 2 && 1961 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1962 drvp->UDMA_mode = 2; 1963 if (drvp->UDMA_mode > 2) 1964 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1965 else 1966 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1967 } 1968 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1969 (drvp->drive_flags & DRIVE_UDMA)) { 1970 /* use Ultra/DMA */ 1971 drvp->drive_flags &= ~DRIVE_DMA; 1972 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1973 udmareg |= PIIX_UDMATIM_SET( 1974 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1975 } else { 1976 /* use Multiword DMA */ 1977 drvp->drive_flags &= ~DRIVE_UDMA; 1978 if (drive == 0) { 1979 idetim |= piix_setup_idetim_timings( 1980 drvp->DMA_mode, 1, channel); 1981 } else { 1982 sidetim |= piix_setup_sidetim_timings( 1983 drvp->DMA_mode, 1, channel); 1984 idetim =PIIX_IDETIM_SET(idetim, 1985 PIIX_IDETIM_SITRE, channel); 1986 } 1987 } 1988 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1989 1990 pio: /* use PIO mode */ 1991 idetim |= piix_setup_idetim_drvs(drvp); 1992 if (drive == 0) { 1993 idetim |= piix_setup_idetim_timings( 1994 drvp->PIO_mode, 0, channel); 1995 } else { 1996 sidetim |= piix_setup_sidetim_timings( 1997 drvp->PIO_mode, 0, channel); 1998 idetim =PIIX_IDETIM_SET(idetim, 1999 PIIX_IDETIM_SITRE, channel); 2000 } 2001 } 2002 if (idedma_ctl != 0) { 2003 /* Add software bits in status register */ 2004 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2005 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 2006 idedma_ctl); 2007 } 2008 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 2009 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 2010 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 2011 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 2012 pciide_print_modes(cp); 2013 } 2014 2015 2016 /* setup ISP and RTC fields, based on mode */ 2017 static u_int32_t 2018 piix_setup_idetim_timings(mode, dma, channel) 2019 u_int8_t mode; 2020 u_int8_t dma; 2021 u_int8_t channel; 2022 { 2023 2024 if (dma) 2025 return PIIX_IDETIM_SET(0, 2026 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 2027 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 2028 channel); 2029 else 2030 return PIIX_IDETIM_SET(0, 2031 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 2032 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 2033 channel); 2034 } 2035 2036 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 2037 static u_int32_t 2038 piix_setup_idetim_drvs(drvp) 2039 struct ata_drive_datas *drvp; 2040 { 2041 u_int32_t ret = 0; 2042 struct channel_softc *chp = drvp->chnl_softc; 2043 u_int8_t channel = chp->channel; 2044 u_int8_t drive = drvp->drive; 2045 2046 /* 2047 * If drive is using UDMA, timings setups are independant 2048 * So just check DMA and PIO here. 2049 */ 2050 if (drvp->drive_flags & DRIVE_DMA) { 2051 /* if mode = DMA mode 0, use compatible timings */ 2052 if ((drvp->drive_flags & DRIVE_DMA) && 2053 drvp->DMA_mode == 0) { 2054 drvp->PIO_mode = 0; 2055 return ret; 2056 } 2057 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 2058 /* 2059 * PIO and DMA timings are the same, use fast timings for PIO 2060 * too, else use compat timings. 2061 */ 2062 if ((piix_isp_pio[drvp->PIO_mode] != 2063 piix_isp_dma[drvp->DMA_mode]) || 2064 (piix_rtc_pio[drvp->PIO_mode] != 2065 piix_rtc_dma[drvp->DMA_mode])) 2066 drvp->PIO_mode = 0; 2067 /* if PIO mode <= 2, use compat timings for PIO */ 2068 if (drvp->PIO_mode <= 2) { 2069 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 2070 channel); 2071 return ret; 2072 } 2073 } 2074 2075 /* 2076 * Now setup PIO modes. If mode < 2, use compat timings. 2077 * Else enable fast timings. Enable IORDY and prefetch/post 2078 * if PIO mode >= 3. 2079 */ 2080 2081 if (drvp->PIO_mode < 2) 2082 return ret; 2083 2084 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 2085 if (drvp->PIO_mode >= 3) { 2086 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 2087 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 2088 } 2089 return ret; 2090 } 2091 2092 /* setup values in SIDETIM registers, based on mode */ 2093 static u_int32_t 2094 piix_setup_sidetim_timings(mode, dma, channel) 2095 u_int8_t mode; 2096 u_int8_t dma; 2097 u_int8_t channel; 2098 { 2099 if (dma) 2100 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 2101 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 2102 else 2103 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 2104 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 2105 } 2106 2107 void 2108 amd7x6_chip_map(sc, pa) 2109 struct pciide_softc *sc; 2110 struct pci_attach_args *pa; 2111 { 2112 struct pciide_channel *cp; 2113 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2114 int channel; 2115 pcireg_t chanenable; 2116 bus_size_t cmdsize, ctlsize; 2117 2118 if (pciide_chipen(sc, pa) == 0) 2119 return; 2120 printf("%s: bus-master DMA support present", 2121 sc->sc_wdcdev.sc_dev.dv_xname); 2122 pciide_mapreg_dma(sc, pa); 2123 printf("\n"); 2124 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2125 WDC_CAPABILITY_MODE; 2126 if (sc->sc_dma_ok) { 2127 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2128 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2129 sc->sc_wdcdev.irqack = pciide_irqack; 2130 } 2131 sc->sc_wdcdev.PIO_cap = 4; 2132 sc->sc_wdcdev.DMA_cap = 2; 2133 2134 switch (sc->sc_pci_vendor) { 2135 case PCI_VENDOR_AMD: 2136 switch (sc->sc_pp->ide_product) { 2137 case PCI_PRODUCT_AMD_PBC766_IDE: 2138 case PCI_PRODUCT_AMD_PBC768_IDE: 2139 case PCI_PRODUCT_AMD_PBC8111_IDE: 2140 sc->sc_wdcdev.UDMA_cap = 5; 2141 break; 2142 default: 2143 sc->sc_wdcdev.UDMA_cap = 4; 2144 } 2145 sc->sc_amd_regbase = AMD7X6_AMD_REGBASE; 2146 break; 2147 2148 case PCI_VENDOR_NVIDIA: 2149 switch (sc->sc_pp->ide_product) { 2150 case PCI_PRODUCT_NVIDIA_NFORCE_ATA100: 2151 sc->sc_wdcdev.UDMA_cap = 5; 2152 break; 2153 case PCI_PRODUCT_NVIDIA_NFORCE2_ATA133: 2154 sc->sc_wdcdev.UDMA_cap = 6; 2155 break; 2156 } 2157 sc->sc_amd_regbase = AMD7X6_NVIDIA_REGBASE; 2158 break; 2159 2160 default: 2161 panic("amd7x6_chip_map: unknown vendor"); 2162 } 2163 sc->sc_wdcdev.set_modes = amd7x6_setup_channel; 2164 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2165 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2166 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, 2167 AMD7X6_CHANSTATUS_EN(sc)); 2168 2169 WDCDEBUG_PRINT(("amd7x6_chip_map: Channel enable=0x%x\n", chanenable), 2170 DEBUG_PROBE); 2171 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2172 cp = &sc->pciide_channels[channel]; 2173 if (pciide_chansetup(sc, channel, interface) == 0) 2174 continue; 2175 2176 if ((chanenable & AMD7X6_CHAN_EN(channel)) == 0) { 2177 printf("%s: %s channel ignored (disabled)\n", 2178 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2179 continue; 2180 } 2181 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2182 pciide_pci_intr); 2183 2184 if (pciide_chan_candisable(cp)) 2185 chanenable &= ~AMD7X6_CHAN_EN(channel); 2186 pciide_map_compat_intr(pa, cp, channel, interface); 2187 if (cp->hw_ok == 0) 2188 continue; 2189 2190 amd7x6_setup_channel(&cp->wdc_channel); 2191 } 2192 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN(sc), 2193 chanenable); 2194 return; 2195 } 2196 2197 void 2198 amd7x6_setup_channel(chp) 2199 struct channel_softc *chp; 2200 { 2201 u_int32_t udmatim_reg, datatim_reg; 2202 u_int8_t idedma_ctl; 2203 int mode, drive; 2204 struct ata_drive_datas *drvp; 2205 struct pciide_channel *cp = (struct pciide_channel*)chp; 2206 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2207 #ifndef PCIIDE_AMD756_ENABLEDMA 2208 int rev = PCI_REVISION( 2209 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2210 #endif 2211 2212 idedma_ctl = 0; 2213 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM(sc)); 2214 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA(sc)); 2215 datatim_reg &= ~AMD7X6_DATATIM_MASK(chp->channel); 2216 udmatim_reg &= ~AMD7X6_UDMA_MASK(chp->channel); 2217 2218 /* setup DMA if needed */ 2219 pciide_channel_dma_setup(cp); 2220 2221 for (drive = 0; drive < 2; drive++) { 2222 drvp = &chp->ch_drive[drive]; 2223 /* If no drive, skip */ 2224 if ((drvp->drive_flags & DRIVE) == 0) 2225 continue; 2226 /* add timing values, setup DMA if needed */ 2227 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2228 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2229 mode = drvp->PIO_mode; 2230 goto pio; 2231 } 2232 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2233 (drvp->drive_flags & DRIVE_UDMA)) { 2234 /* use Ultra/DMA */ 2235 drvp->drive_flags &= ~DRIVE_DMA; 2236 udmatim_reg |= AMD7X6_UDMA_EN(chp->channel, drive) | 2237 AMD7X6_UDMA_EN_MTH(chp->channel, drive) | 2238 AMD7X6_UDMA_TIME(chp->channel, drive, 2239 amd7x6_udma_tim[drvp->UDMA_mode]); 2240 /* can use PIO timings, MW DMA unused */ 2241 mode = drvp->PIO_mode; 2242 } else { 2243 /* use Multiword DMA, but only if revision is OK */ 2244 drvp->drive_flags &= ~DRIVE_UDMA; 2245 #ifndef PCIIDE_AMD756_ENABLEDMA 2246 /* 2247 * The workaround doesn't seem to be necessary 2248 * with all drives, so it can be disabled by 2249 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 2250 * triggered. 2251 */ 2252 if (sc->sc_pci_vendor == PCI_VENDOR_AMD && 2253 sc->sc_pp->ide_product == 2254 PCI_PRODUCT_AMD_PBC756_IDE && 2255 AMD756_CHIPREV_DISABLEDMA(rev)) { 2256 printf("%s:%d:%d: multi-word DMA disabled due " 2257 "to chip revision\n", 2258 sc->sc_wdcdev.sc_dev.dv_xname, 2259 chp->channel, drive); 2260 mode = drvp->PIO_mode; 2261 drvp->drive_flags &= ~DRIVE_DMA; 2262 goto pio; 2263 } 2264 #endif 2265 /* mode = min(pio, dma+2) */ 2266 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2267 mode = drvp->PIO_mode; 2268 else 2269 mode = drvp->DMA_mode + 2; 2270 } 2271 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2272 2273 pio: /* setup PIO mode */ 2274 if (mode <= 2) { 2275 drvp->DMA_mode = 0; 2276 drvp->PIO_mode = 0; 2277 mode = 0; 2278 } else { 2279 drvp->PIO_mode = mode; 2280 drvp->DMA_mode = mode - 2; 2281 } 2282 datatim_reg |= 2283 AMD7X6_DATATIM_PULSE(chp->channel, drive, 2284 amd7x6_pio_set[mode]) | 2285 AMD7X6_DATATIM_RECOV(chp->channel, drive, 2286 amd7x6_pio_rec[mode]); 2287 } 2288 if (idedma_ctl != 0) { 2289 /* Add software bits in status register */ 2290 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2291 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2292 idedma_ctl); 2293 } 2294 pciide_print_modes(cp); 2295 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM(sc), datatim_reg); 2296 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA(sc), udmatim_reg); 2297 } 2298 2299 void 2300 apollo_chip_map(sc, pa) 2301 struct pciide_softc *sc; 2302 struct pci_attach_args *pa; 2303 { 2304 struct pciide_channel *cp; 2305 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2306 int channel; 2307 u_int32_t ideconf; 2308 bus_size_t cmdsize, ctlsize; 2309 pcitag_t pcib_tag; 2310 pcireg_t pcib_id, pcib_class; 2311 2312 if (pciide_chipen(sc, pa) == 0) 2313 return; 2314 /* get a PCI tag for the ISA bridge (function 0 of the same device) */ 2315 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 2316 /* and read ID and rev of the ISA bridge */ 2317 pcib_id = pci_conf_read(sc->sc_pc, pcib_tag, PCI_ID_REG); 2318 pcib_class = pci_conf_read(sc->sc_pc, pcib_tag, PCI_CLASS_REG); 2319 printf(": VIA Technologies "); 2320 switch (PCI_PRODUCT(pcib_id)) { 2321 case PCI_PRODUCT_VIATECH_VT82C586_ISA: 2322 printf("VT82C586 (Apollo VP) "); 2323 if(PCI_REVISION(pcib_class) >= 0x02) { 2324 printf("ATA33 controller\n"); 2325 sc->sc_wdcdev.UDMA_cap = 2; 2326 } else { 2327 printf("controller\n"); 2328 sc->sc_wdcdev.UDMA_cap = 0; 2329 } 2330 break; 2331 case PCI_PRODUCT_VIATECH_VT82C596A: 2332 printf("VT82C596A (Apollo Pro) "); 2333 if (PCI_REVISION(pcib_class) >= 0x12) { 2334 printf("ATA66 controller\n"); 2335 sc->sc_wdcdev.UDMA_cap = 4; 2336 } else { 2337 printf("ATA33 controller\n"); 2338 sc->sc_wdcdev.UDMA_cap = 2; 2339 } 2340 break; 2341 case PCI_PRODUCT_VIATECH_VT82C686A_ISA: 2342 printf("VT82C686A (Apollo KX133) "); 2343 if (PCI_REVISION(pcib_class) >= 0x40) { 2344 printf("ATA100 controller\n"); 2345 sc->sc_wdcdev.UDMA_cap = 5; 2346 } else { 2347 printf("ATA66 controller\n"); 2348 sc->sc_wdcdev.UDMA_cap = 4; 2349 } 2350 break; 2351 case PCI_PRODUCT_VIATECH_VT8231: 2352 printf("VT8231 ATA100 controller\n"); 2353 sc->sc_wdcdev.UDMA_cap = 5; 2354 break; 2355 case PCI_PRODUCT_VIATECH_VT8233: 2356 printf("VT8233 ATA100 controller\n"); 2357 sc->sc_wdcdev.UDMA_cap = 5; 2358 break; 2359 case PCI_PRODUCT_VIATECH_VT8233A: 2360 printf("VT8233A ATA133 controller\n"); 2361 sc->sc_wdcdev.UDMA_cap = 6; 2362 break; 2363 case PCI_PRODUCT_VIATECH_VT8235: 2364 printf("VT8235 ATA133 controller\n"); 2365 sc->sc_wdcdev.UDMA_cap = 6; 2366 break; 2367 default: 2368 printf("unknown ATA controller\n"); 2369 sc->sc_wdcdev.UDMA_cap = 0; 2370 } 2371 2372 printf("%s: bus-master DMA support present", 2373 sc->sc_wdcdev.sc_dev.dv_xname); 2374 pciide_mapreg_dma(sc, pa); 2375 printf("\n"); 2376 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2377 WDC_CAPABILITY_MODE; 2378 if (sc->sc_dma_ok) { 2379 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2380 sc->sc_wdcdev.irqack = pciide_irqack; 2381 if (sc->sc_wdcdev.UDMA_cap > 0) 2382 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2383 } 2384 sc->sc_wdcdev.PIO_cap = 4; 2385 sc->sc_wdcdev.DMA_cap = 2; 2386 sc->sc_wdcdev.set_modes = apollo_setup_channel; 2387 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2388 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2389 2390 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 2391 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2392 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 2393 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 2394 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2395 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), 2396 DEBUG_PROBE); 2397 2398 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2399 cp = &sc->pciide_channels[channel]; 2400 if (pciide_chansetup(sc, channel, interface) == 0) 2401 continue; 2402 2403 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 2404 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 2405 printf("%s: %s channel ignored (disabled)\n", 2406 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2407 continue; 2408 } 2409 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2410 pciide_pci_intr); 2411 if (cp->hw_ok == 0) 2412 continue; 2413 if (pciide_chan_candisable(cp)) { 2414 ideconf &= ~APO_IDECONF_EN(channel); 2415 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2416 ideconf); 2417 } 2418 pciide_map_compat_intr(pa, cp, channel, interface); 2419 2420 if (cp->hw_ok == 0) 2421 continue; 2422 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2423 } 2424 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2425 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2426 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2427 } 2428 2429 void 2430 apollo_setup_channel(chp) 2431 struct channel_softc *chp; 2432 { 2433 u_int32_t udmatim_reg, datatim_reg; 2434 u_int8_t idedma_ctl; 2435 int mode, drive; 2436 struct ata_drive_datas *drvp; 2437 struct pciide_channel *cp = (struct pciide_channel*)chp; 2438 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2439 2440 idedma_ctl = 0; 2441 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2442 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2443 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2444 udmatim_reg &= ~APO_UDMA_MASK(chp->channel); 2445 2446 /* setup DMA if needed */ 2447 pciide_channel_dma_setup(cp); 2448 2449 for (drive = 0; drive < 2; drive++) { 2450 drvp = &chp->ch_drive[drive]; 2451 /* If no drive, skip */ 2452 if ((drvp->drive_flags & DRIVE) == 0) 2453 continue; 2454 /* add timing values, setup DMA if needed */ 2455 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2456 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2457 mode = drvp->PIO_mode; 2458 goto pio; 2459 } 2460 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2461 (drvp->drive_flags & DRIVE_UDMA)) { 2462 /* use Ultra/DMA */ 2463 drvp->drive_flags &= ~DRIVE_DMA; 2464 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2465 APO_UDMA_EN_MTH(chp->channel, drive); 2466 if (sc->sc_wdcdev.UDMA_cap == 6) { 2467 /* 8233a */ 2468 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2469 drive, apollo_udma133_tim[drvp->UDMA_mode]); 2470 } else if (sc->sc_wdcdev.UDMA_cap == 5) { 2471 /* 686b */ 2472 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2473 drive, apollo_udma100_tim[drvp->UDMA_mode]); 2474 } else if (sc->sc_wdcdev.UDMA_cap == 4) { 2475 /* 596b or 686a */ 2476 udmatim_reg |= APO_UDMA_CLK66(chp->channel); 2477 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2478 drive, apollo_udma66_tim[drvp->UDMA_mode]); 2479 } else { 2480 /* 596a or 586b */ 2481 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2482 drive, apollo_udma33_tim[drvp->UDMA_mode]); 2483 } 2484 /* can use PIO timings, MW DMA unused */ 2485 mode = drvp->PIO_mode; 2486 } else { 2487 /* use Multiword DMA */ 2488 drvp->drive_flags &= ~DRIVE_UDMA; 2489 /* mode = min(pio, dma+2) */ 2490 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2491 mode = drvp->PIO_mode; 2492 else 2493 mode = drvp->DMA_mode + 2; 2494 } 2495 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2496 2497 pio: /* setup PIO mode */ 2498 if (mode <= 2) { 2499 drvp->DMA_mode = 0; 2500 drvp->PIO_mode = 0; 2501 mode = 0; 2502 } else { 2503 drvp->PIO_mode = mode; 2504 drvp->DMA_mode = mode - 2; 2505 } 2506 datatim_reg |= 2507 APO_DATATIM_PULSE(chp->channel, drive, 2508 apollo_pio_set[mode]) | 2509 APO_DATATIM_RECOV(chp->channel, drive, 2510 apollo_pio_rec[mode]); 2511 } 2512 if (idedma_ctl != 0) { 2513 /* Add software bits in status register */ 2514 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2515 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2516 idedma_ctl); 2517 } 2518 pciide_print_modes(cp); 2519 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2520 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2521 } 2522 2523 void 2524 cmd_channel_map(pa, sc, channel) 2525 struct pci_attach_args *pa; 2526 struct pciide_softc *sc; 2527 int channel; 2528 { 2529 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2530 bus_size_t cmdsize, ctlsize; 2531 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2532 int interface, one_channel; 2533 2534 /* 2535 * The 0648/0649 can be told to identify as a RAID controller. 2536 * In this case, we have to fake interface 2537 */ 2538 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2539 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2540 PCIIDE_INTERFACE_SETTABLE(1); 2541 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2542 CMD_CONF_DSA1) 2543 interface |= PCIIDE_INTERFACE_PCI(0) | 2544 PCIIDE_INTERFACE_PCI(1); 2545 } else { 2546 interface = PCI_INTERFACE(pa->pa_class); 2547 } 2548 2549 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2550 cp->name = PCIIDE_CHANNEL_NAME(channel); 2551 cp->wdc_channel.channel = channel; 2552 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2553 2554 /* 2555 * Older CMD64X doesn't have independant channels 2556 */ 2557 switch (sc->sc_pp->ide_product) { 2558 case PCI_PRODUCT_CMDTECH_649: 2559 one_channel = 0; 2560 break; 2561 default: 2562 one_channel = 1; 2563 break; 2564 } 2565 2566 if (channel > 0 && one_channel) { 2567 cp->wdc_channel.ch_queue = 2568 sc->pciide_channels[0].wdc_channel.ch_queue; 2569 } else { 2570 cp->wdc_channel.ch_queue = 2571 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2572 } 2573 if (cp->wdc_channel.ch_queue == NULL) { 2574 printf("%s %s channel: " 2575 "can't allocate memory for command queue", 2576 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2577 return; 2578 } 2579 2580 printf("%s: %s channel %s to %s mode\n", 2581 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2582 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2583 "configured" : "wired", 2584 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2585 "native-PCI" : "compatibility"); 2586 2587 /* 2588 * with a CMD PCI64x, if we get here, the first channel is enabled: 2589 * there's no way to disable the first channel without disabling 2590 * the whole device 2591 */ 2592 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2593 printf("%s: %s channel ignored (disabled)\n", 2594 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2595 return; 2596 } 2597 2598 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2599 if (cp->hw_ok == 0) 2600 return; 2601 if (channel == 1) { 2602 if (pciide_chan_candisable(cp)) { 2603 ctrl &= ~CMD_CTRL_2PORT; 2604 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2605 CMD_CTRL, ctrl); 2606 } 2607 } 2608 pciide_map_compat_intr(pa, cp, channel, interface); 2609 } 2610 2611 int 2612 cmd_pci_intr(arg) 2613 void *arg; 2614 { 2615 struct pciide_softc *sc = arg; 2616 struct pciide_channel *cp; 2617 struct channel_softc *wdc_cp; 2618 int i, rv, crv; 2619 u_int32_t priirq, secirq; 2620 2621 rv = 0; 2622 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2623 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2624 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2625 cp = &sc->pciide_channels[i]; 2626 wdc_cp = &cp->wdc_channel; 2627 /* If a compat channel skip. */ 2628 if (cp->compat) 2629 continue; 2630 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2631 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2632 crv = wdcintr(wdc_cp); 2633 if (crv == 0) 2634 printf("%s:%d: bogus intr\n", 2635 sc->sc_wdcdev.sc_dev.dv_xname, i); 2636 else 2637 rv = 1; 2638 } 2639 } 2640 return rv; 2641 } 2642 2643 void 2644 cmd_chip_map(sc, pa) 2645 struct pciide_softc *sc; 2646 struct pci_attach_args *pa; 2647 { 2648 int channel; 2649 2650 /* 2651 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2652 * and base adresses registers can be disabled at 2653 * hardware level. In this case, the device is wired 2654 * in compat mode and its first channel is always enabled, 2655 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2656 * In fact, it seems that the first channel of the CMD PCI0640 2657 * can't be disabled. 2658 */ 2659 2660 #ifdef PCIIDE_CMD064x_DISABLE 2661 if (pciide_chipen(sc, pa) == 0) 2662 return; 2663 #endif 2664 2665 printf("%s: hardware does not support DMA\n", 2666 sc->sc_wdcdev.sc_dev.dv_xname); 2667 sc->sc_dma_ok = 0; 2668 2669 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2670 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2671 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2672 2673 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2674 cmd_channel_map(pa, sc, channel); 2675 } 2676 } 2677 2678 void 2679 cmd0643_9_chip_map(sc, pa) 2680 struct pciide_softc *sc; 2681 struct pci_attach_args *pa; 2682 { 2683 struct pciide_channel *cp; 2684 int channel; 2685 pcireg_t rev = PCI_REVISION(pa->pa_class); 2686 2687 /* 2688 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2689 * and base adresses registers can be disabled at 2690 * hardware level. In this case, the device is wired 2691 * in compat mode and its first channel is always enabled, 2692 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2693 * In fact, it seems that the first channel of the CMD PCI0640 2694 * can't be disabled. 2695 */ 2696 2697 #ifdef PCIIDE_CMD064x_DISABLE 2698 if (pciide_chipen(sc, pa) == 0) 2699 return; 2700 #endif 2701 printf("%s: bus-master DMA support present", 2702 sc->sc_wdcdev.sc_dev.dv_xname); 2703 pciide_mapreg_dma(sc, pa); 2704 printf("\n"); 2705 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2706 WDC_CAPABILITY_MODE; 2707 if (sc->sc_dma_ok) { 2708 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2709 switch (sc->sc_pp->ide_product) { 2710 case PCI_PRODUCT_CMDTECH_649: 2711 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2712 sc->sc_wdcdev.UDMA_cap = 5; 2713 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2714 break; 2715 case PCI_PRODUCT_CMDTECH_648: 2716 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2717 sc->sc_wdcdev.UDMA_cap = 4; 2718 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2719 break; 2720 case PCI_PRODUCT_CMDTECH_646: 2721 if (rev >= CMD0646U2_REV) { 2722 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2723 sc->sc_wdcdev.UDMA_cap = 2; 2724 } else if (rev >= CMD0646U_REV) { 2725 /* 2726 * Linux's driver claims that the 646U is broken 2727 * with UDMA. Only enable it if we know what we're 2728 * doing 2729 */ 2730 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2731 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2732 sc->sc_wdcdev.UDMA_cap = 2; 2733 #endif 2734 /* explicitly disable UDMA */ 2735 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2736 CMD_UDMATIM(0), 0); 2737 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2738 CMD_UDMATIM(1), 0); 2739 } 2740 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2741 break; 2742 default: 2743 sc->sc_wdcdev.irqack = pciide_irqack; 2744 } 2745 } 2746 2747 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2748 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2749 sc->sc_wdcdev.PIO_cap = 4; 2750 sc->sc_wdcdev.DMA_cap = 2; 2751 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2752 2753 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2754 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2755 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2756 DEBUG_PROBE); 2757 2758 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2759 cp = &sc->pciide_channels[channel]; 2760 cmd_channel_map(pa, sc, channel); 2761 if (cp->hw_ok == 0) 2762 continue; 2763 cmd0643_9_setup_channel(&cp->wdc_channel); 2764 } 2765 /* 2766 * note - this also makes sure we clear the irq disable and reset 2767 * bits 2768 */ 2769 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2770 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2771 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2772 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2773 DEBUG_PROBE); 2774 } 2775 2776 void 2777 cmd0643_9_setup_channel(chp) 2778 struct channel_softc *chp; 2779 { 2780 struct ata_drive_datas *drvp; 2781 u_int8_t tim; 2782 u_int32_t idedma_ctl, udma_reg; 2783 int drive; 2784 struct pciide_channel *cp = (struct pciide_channel*)chp; 2785 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2786 2787 idedma_ctl = 0; 2788 /* setup DMA if needed */ 2789 pciide_channel_dma_setup(cp); 2790 2791 for (drive = 0; drive < 2; drive++) { 2792 drvp = &chp->ch_drive[drive]; 2793 /* If no drive, skip */ 2794 if ((drvp->drive_flags & DRIVE) == 0) 2795 continue; 2796 /* add timing values, setup DMA if needed */ 2797 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2798 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2799 if (drvp->drive_flags & DRIVE_UDMA) { 2800 /* UltraDMA on a 646U2, 0648 or 0649 */ 2801 drvp->drive_flags &= ~DRIVE_DMA; 2802 udma_reg = pciide_pci_read(sc->sc_pc, 2803 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2804 if (drvp->UDMA_mode > 2 && 2805 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2806 CMD_BICSR) & 2807 CMD_BICSR_80(chp->channel)) == 0) 2808 drvp->UDMA_mode = 2; 2809 if (drvp->UDMA_mode > 2) 2810 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2811 else if (sc->sc_wdcdev.UDMA_cap > 2) 2812 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2813 udma_reg |= CMD_UDMATIM_UDMA(drive); 2814 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2815 CMD_UDMATIM_TIM_OFF(drive)); 2816 udma_reg |= 2817 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2818 CMD_UDMATIM_TIM_OFF(drive)); 2819 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2820 CMD_UDMATIM(chp->channel), udma_reg); 2821 } else { 2822 /* 2823 * use Multiword DMA. 2824 * Timings will be used for both PIO and DMA, 2825 * so adjust DMA mode if needed 2826 * if we have a 0646U2/8/9, turn off UDMA 2827 */ 2828 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2829 udma_reg = pciide_pci_read(sc->sc_pc, 2830 sc->sc_tag, 2831 CMD_UDMATIM(chp->channel)); 2832 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2833 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2834 CMD_UDMATIM(chp->channel), 2835 udma_reg); 2836 } 2837 if (drvp->PIO_mode >= 3 && 2838 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2839 drvp->DMA_mode = drvp->PIO_mode - 2; 2840 } 2841 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2842 } 2843 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2844 } 2845 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2846 CMD_DATA_TIM(chp->channel, drive), tim); 2847 } 2848 if (idedma_ctl != 0) { 2849 /* Add software bits in status register */ 2850 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2851 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2852 idedma_ctl); 2853 } 2854 pciide_print_modes(cp); 2855 } 2856 2857 void 2858 cmd646_9_irqack(chp) 2859 struct channel_softc *chp; 2860 { 2861 u_int32_t priirq, secirq; 2862 struct pciide_channel *cp = (struct pciide_channel*)chp; 2863 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2864 2865 if (chp->channel == 0) { 2866 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2867 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2868 } else { 2869 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2870 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2871 } 2872 pciide_irqack(chp); 2873 } 2874 2875 void 2876 cmd680_chip_map(sc, pa) 2877 struct pciide_softc *sc; 2878 struct pci_attach_args *pa; 2879 { 2880 struct pciide_channel *cp; 2881 int channel; 2882 2883 if (pciide_chipen(sc, pa) == 0) 2884 return; 2885 printf("%s: bus-master DMA support present", 2886 sc->sc_wdcdev.sc_dev.dv_xname); 2887 pciide_mapreg_dma(sc, pa); 2888 printf("\n"); 2889 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2890 WDC_CAPABILITY_MODE; 2891 if (sc->sc_dma_ok) { 2892 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2893 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2894 sc->sc_wdcdev.UDMA_cap = 6; 2895 sc->sc_wdcdev.irqack = pciide_irqack; 2896 } 2897 2898 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2899 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2900 sc->sc_wdcdev.PIO_cap = 4; 2901 sc->sc_wdcdev.DMA_cap = 2; 2902 sc->sc_wdcdev.set_modes = cmd680_setup_channel; 2903 2904 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x80, 0x00); 2905 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x84, 0x00); 2906 pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x8a, 2907 pciide_pci_read(sc->sc_pc, sc->sc_tag, 0x8a) | 0x01); 2908 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2909 cp = &sc->pciide_channels[channel]; 2910 cmd680_channel_map(pa, sc, channel); 2911 if (cp->hw_ok == 0) 2912 continue; 2913 cmd680_setup_channel(&cp->wdc_channel); 2914 } 2915 } 2916 2917 void 2918 cmd680_channel_map(pa, sc, channel) 2919 struct pci_attach_args *pa; 2920 struct pciide_softc *sc; 2921 int channel; 2922 { 2923 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2924 bus_size_t cmdsize, ctlsize; 2925 int interface, i, reg; 2926 static const u_int8_t init_val[] = 2927 { 0x8a, 0x32, 0x8a, 0x32, 0x8a, 0x32, 2928 0x92, 0x43, 0x92, 0x43, 0x09, 0x40, 0x09, 0x40 }; 2929 2930 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2931 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2932 PCIIDE_INTERFACE_SETTABLE(1); 2933 interface |= PCIIDE_INTERFACE_PCI(0) | 2934 PCIIDE_INTERFACE_PCI(1); 2935 } else { 2936 interface = PCI_INTERFACE(pa->pa_class); 2937 } 2938 2939 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2940 cp->name = PCIIDE_CHANNEL_NAME(channel); 2941 cp->wdc_channel.channel = channel; 2942 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2943 2944 cp->wdc_channel.ch_queue = 2945 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2946 if (cp->wdc_channel.ch_queue == NULL) { 2947 printf("%s %s channel: " 2948 "can't allocate memory for command queue", 2949 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2950 return; 2951 } 2952 2953 /* XXX */ 2954 reg = 0xa2 + channel * 16; 2955 for (i = 0; i < sizeof(init_val); i++) 2956 pciide_pci_write(sc->sc_pc, sc->sc_tag, reg + i, init_val[i]); 2957 2958 printf("%s: %s channel %s to %s mode\n", 2959 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2960 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2961 "configured" : "wired", 2962 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2963 "native-PCI" : "compatibility"); 2964 2965 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); 2966 if (cp->hw_ok == 0) 2967 return; 2968 pciide_map_compat_intr(pa, cp, channel, interface); 2969 } 2970 2971 void 2972 cmd680_setup_channel(chp) 2973 struct channel_softc *chp; 2974 { 2975 struct ata_drive_datas *drvp; 2976 u_int8_t mode, off, scsc; 2977 u_int16_t val; 2978 u_int32_t idedma_ctl; 2979 int drive; 2980 struct pciide_channel *cp = (struct pciide_channel*)chp; 2981 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2982 pci_chipset_tag_t pc = sc->sc_pc; 2983 pcitag_t pa = sc->sc_tag; 2984 static const u_int8_t udma2_tbl[] = 2985 { 0x0f, 0x0b, 0x07, 0x06, 0x03, 0x02, 0x01 }; 2986 static const u_int8_t udma_tbl[] = 2987 { 0x0c, 0x07, 0x05, 0x04, 0x02, 0x01, 0x00 }; 2988 static const u_int16_t dma_tbl[] = 2989 { 0x2208, 0x10c2, 0x10c1 }; 2990 static const u_int16_t pio_tbl[] = 2991 { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 }; 2992 2993 idedma_ctl = 0; 2994 pciide_channel_dma_setup(cp); 2995 mode = pciide_pci_read(pc, pa, 0x80 + chp->channel * 4); 2996 2997 for (drive = 0; drive < 2; drive++) { 2998 drvp = &chp->ch_drive[drive]; 2999 /* If no drive, skip */ 3000 if ((drvp->drive_flags & DRIVE) == 0) 3001 continue; 3002 mode &= ~(0x03 << (drive * 4)); 3003 if (drvp->drive_flags & DRIVE_UDMA) { 3004 drvp->drive_flags &= ~DRIVE_DMA; 3005 off = 0xa0 + chp->channel * 16; 3006 if (drvp->UDMA_mode > 2 && 3007 (pciide_pci_read(pc, pa, off) & 0x01) == 0) 3008 drvp->UDMA_mode = 2; 3009 scsc = pciide_pci_read(pc, pa, 0x8a); 3010 if (drvp->UDMA_mode == 6 && (scsc & 0x30) == 0) { 3011 pciide_pci_write(pc, pa, 0x8a, scsc | 0x01); 3012 scsc = pciide_pci_read(pc, pa, 0x8a); 3013 if ((scsc & 0x30) == 0) 3014 drvp->UDMA_mode = 5; 3015 } 3016 mode |= 0x03 << (drive * 4); 3017 off = 0xac + chp->channel * 16 + drive * 2; 3018 val = pciide_pci_read(pc, pa, off) & ~0x3f; 3019 if (scsc & 0x30) 3020 val |= udma2_tbl[drvp->UDMA_mode]; 3021 else 3022 val |= udma_tbl[drvp->UDMA_mode]; 3023 pciide_pci_write(pc, pa, off, val); 3024 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3025 } else if (drvp->drive_flags & DRIVE_DMA) { 3026 mode |= 0x02 << (drive * 4); 3027 off = 0xa8 + chp->channel * 16 + drive * 2; 3028 val = dma_tbl[drvp->DMA_mode]; 3029 pciide_pci_write(pc, pa, off, val & 0xff); 3030 pciide_pci_write(pc, pa, off, val >> 8); 3031 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3032 } else { 3033 mode |= 0x01 << (drive * 4); 3034 off = 0xa4 + chp->channel * 16 + drive * 2; 3035 val = pio_tbl[drvp->PIO_mode]; 3036 pciide_pci_write(pc, pa, off, val & 0xff); 3037 pciide_pci_write(pc, pa, off, val >> 8); 3038 } 3039 } 3040 3041 pciide_pci_write(pc, pa, 0x80 + chp->channel * 4, mode); 3042 if (idedma_ctl != 0) { 3043 /* Add software bits in status register */ 3044 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3045 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 3046 idedma_ctl); 3047 } 3048 pciide_print_modes(cp); 3049 } 3050 3051 void 3052 cmd3112_chip_map(sc, pa) 3053 struct pciide_softc *sc; 3054 struct pci_attach_args *pa; 3055 { 3056 struct pciide_channel *cp; 3057 bus_size_t cmdsize, ctlsize; 3058 pcireg_t interface; 3059 int channel; 3060 3061 if (pciide_chipen(sc, pa) == 0) 3062 return; 3063 3064 printf("%s: bus-master DMA support present", 3065 sc->sc_wdcdev.sc_dev.dv_xname); 3066 pciide_mapreg_dma(sc, pa); 3067 printf("\n"); 3068 3069 /* 3070 * Rev. <= 0x01 of the 3112 have a bug that can cause data 3071 * corruption if DMA transfers cross an 8K boundary. This is 3072 * apparently hard to tickle, but we'll go ahead and play it 3073 * safe. 3074 */ 3075 if (PCI_REVISION(pa->pa_class) <= 0x01) { 3076 sc->sc_dma_maxsegsz = 8192; 3077 sc->sc_dma_boundary = 8192; 3078 } 3079 3080 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3081 WDC_CAPABILITY_MODE; 3082 sc->sc_wdcdev.PIO_cap = 4; 3083 if (sc->sc_dma_ok) { 3084 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3085 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3086 sc->sc_wdcdev.irqack = pciide_irqack; 3087 sc->sc_wdcdev.DMA_cap = 2; 3088 sc->sc_wdcdev.UDMA_cap = 6; 3089 } 3090 sc->sc_wdcdev.set_modes = cmd3112_setup_channel; 3091 3092 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3093 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3094 3095 /* 3096 * The 3112 can be told to identify as a RAID controller. 3097 * In this case, we have to fake interface 3098 */ 3099 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3100 interface = PCI_INTERFACE(pa->pa_class); 3101 } else { 3102 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3103 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3104 } 3105 3106 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3107 cp = &sc->pciide_channels[channel]; 3108 if (pciide_chansetup(sc, channel, interface) == 0) 3109 continue; 3110 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3111 pciide_pci_intr); 3112 if (cp->hw_ok == 0) 3113 continue; 3114 pciide_map_compat_intr(pa, cp, channel, interface); 3115 cmd3112_setup_channel(&cp->wdc_channel); 3116 } 3117 } 3118 3119 void 3120 cmd3112_setup_channel(chp) 3121 struct channel_softc *chp; 3122 { 3123 struct ata_drive_datas *drvp; 3124 int drive; 3125 u_int32_t idedma_ctl, dtm; 3126 struct pciide_channel *cp = (struct pciide_channel*)chp; 3127 struct pciide_softc *sc = (struct pciide_softc*)cp->wdc_channel.wdc; 3128 3129 /* setup DMA if needed */ 3130 pciide_channel_dma_setup(cp); 3131 3132 idedma_ctl = 0; 3133 dtm = 0; 3134 3135 for (drive = 0; drive < 2; drive++) { 3136 drvp = &chp->ch_drive[drive]; 3137 /* If no drive, skip */ 3138 if ((drvp->drive_flags & DRIVE) == 0) 3139 continue; 3140 if (drvp->drive_flags & DRIVE_UDMA) { 3141 /* use Ultra/DMA */ 3142 drvp->drive_flags &= ~DRIVE_DMA; 3143 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3144 dtm |= DTM_IDEx_DMA; 3145 } else if (drvp->drive_flags & DRIVE_DMA) { 3146 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3147 dtm |= DTM_IDEx_DMA; 3148 } else { 3149 dtm |= DTM_IDEx_PIO; 3150 } 3151 } 3152 3153 /* 3154 * Nothing to do to setup modes; it is meaningless in S-ATA 3155 * (but many S-ATA drives still want to get the SET_FEATURE 3156 * command). 3157 */ 3158 if (idedma_ctl != 0) { 3159 /* Add software bits in status register */ 3160 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3161 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 3162 idedma_ctl); 3163 } 3164 pci_conf_write(sc->sc_pc, sc->sc_tag, 3165 chp->channel == 0 ? SII3112_DTM_IDE0 : SII3112_DTM_IDE1, dtm); 3166 pciide_print_modes(cp); 3167 } 3168 3169 void 3170 cy693_chip_map(sc, pa) 3171 struct pciide_softc *sc; 3172 struct pci_attach_args *pa; 3173 { 3174 struct pciide_channel *cp; 3175 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 3176 bus_size_t cmdsize, ctlsize; 3177 3178 if (pciide_chipen(sc, pa) == 0) 3179 return; 3180 /* 3181 * this chip has 2 PCI IDE functions, one for primary and one for 3182 * secondary. So we need to call pciide_mapregs_compat() with 3183 * the real channel 3184 */ 3185 if (pa->pa_function == 1) { 3186 sc->sc_cy_compatchan = 0; 3187 } else if (pa->pa_function == 2) { 3188 sc->sc_cy_compatchan = 1; 3189 } else { 3190 printf("%s: unexpected PCI function %d\n", 3191 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 3192 return; 3193 } 3194 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 3195 printf("%s: bus-master DMA support present", 3196 sc->sc_wdcdev.sc_dev.dv_xname); 3197 pciide_mapreg_dma(sc, pa); 3198 } else { 3199 printf("%s: hardware does not support DMA", 3200 sc->sc_wdcdev.sc_dev.dv_xname); 3201 sc->sc_dma_ok = 0; 3202 } 3203 printf("\n"); 3204 3205 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 3206 if (sc->sc_cy_handle == NULL) { 3207 printf("%s: unable to map hyperCache control registers\n", 3208 sc->sc_wdcdev.sc_dev.dv_xname); 3209 sc->sc_dma_ok = 0; 3210 } 3211 3212 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3213 WDC_CAPABILITY_MODE; 3214 if (sc->sc_dma_ok) { 3215 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3216 sc->sc_wdcdev.irqack = pciide_irqack; 3217 } 3218 sc->sc_wdcdev.PIO_cap = 4; 3219 sc->sc_wdcdev.DMA_cap = 2; 3220 sc->sc_wdcdev.set_modes = cy693_setup_channel; 3221 3222 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3223 sc->sc_wdcdev.nchannels = 1; 3224 3225 /* Only one channel for this chip; if we are here it's enabled */ 3226 cp = &sc->pciide_channels[0]; 3227 sc->wdc_chanarray[0] = &cp->wdc_channel; 3228 cp->name = PCIIDE_CHANNEL_NAME(0); 3229 cp->wdc_channel.channel = 0; 3230 cp->wdc_channel.wdc = &sc->sc_wdcdev; 3231 cp->wdc_channel.ch_queue = 3232 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 3233 if (cp->wdc_channel.ch_queue == NULL) { 3234 printf("%s primary channel: " 3235 "can't allocate memory for command queue", 3236 sc->sc_wdcdev.sc_dev.dv_xname); 3237 return; 3238 } 3239 printf("%s: primary channel %s to ", 3240 sc->sc_wdcdev.sc_dev.dv_xname, 3241 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 3242 "configured" : "wired"); 3243 if (interface & PCIIDE_INTERFACE_PCI(0)) { 3244 printf("native-PCI"); 3245 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 3246 pciide_pci_intr); 3247 } else { 3248 printf("compatibility"); 3249 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 3250 &cmdsize, &ctlsize); 3251 } 3252 printf(" mode\n"); 3253 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3254 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3255 wdcattach(&cp->wdc_channel); 3256 if (pciide_chan_candisable(cp)) { 3257 pci_conf_write(sc->sc_pc, sc->sc_tag, 3258 PCI_COMMAND_STATUS_REG, 0); 3259 } 3260 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 3261 if (cp->hw_ok == 0) 3262 return; 3263 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 3264 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 3265 cy693_setup_channel(&cp->wdc_channel); 3266 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 3267 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 3268 } 3269 3270 void 3271 cy693_setup_channel(chp) 3272 struct channel_softc *chp; 3273 { 3274 struct ata_drive_datas *drvp; 3275 int drive; 3276 u_int32_t cy_cmd_ctrl; 3277 u_int32_t idedma_ctl; 3278 struct pciide_channel *cp = (struct pciide_channel*)chp; 3279 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3280 int dma_mode = -1; 3281 3282 cy_cmd_ctrl = idedma_ctl = 0; 3283 3284 /* setup DMA if needed */ 3285 pciide_channel_dma_setup(cp); 3286 3287 for (drive = 0; drive < 2; drive++) { 3288 drvp = &chp->ch_drive[drive]; 3289 /* If no drive, skip */ 3290 if ((drvp->drive_flags & DRIVE) == 0) 3291 continue; 3292 /* add timing values, setup DMA if needed */ 3293 if (drvp->drive_flags & DRIVE_DMA) { 3294 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3295 /* use Multiword DMA */ 3296 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 3297 dma_mode = drvp->DMA_mode; 3298 } 3299 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 3300 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 3301 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 3302 CY_CMD_CTRL_IOW_REC_OFF(drive)); 3303 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 3304 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 3305 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 3306 CY_CMD_CTRL_IOR_REC_OFF(drive)); 3307 } 3308 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 3309 chp->ch_drive[0].DMA_mode = dma_mode; 3310 chp->ch_drive[1].DMA_mode = dma_mode; 3311 3312 if (dma_mode == -1) 3313 dma_mode = 0; 3314 3315 if (sc->sc_cy_handle != NULL) { 3316 /* Note: `multiple' is implied. */ 3317 cy82c693_write(sc->sc_cy_handle, 3318 (sc->sc_cy_compatchan == 0) ? 3319 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 3320 } 3321 3322 pciide_print_modes(cp); 3323 3324 if (idedma_ctl != 0) { 3325 /* Add software bits in status register */ 3326 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3327 IDEDMA_CTL, idedma_ctl); 3328 } 3329 } 3330 3331 static struct sis_hostbr_type { 3332 u_int16_t id; 3333 u_int8_t rev; 3334 u_int8_t udma_mode; 3335 char *name; 3336 u_int8_t type; 3337 #define SIS_TYPE_NOUDMA 0 3338 #define SIS_TYPE_66 1 3339 #define SIS_TYPE_100OLD 2 3340 #define SIS_TYPE_100NEW 3 3341 #define SIS_TYPE_133OLD 4 3342 #define SIS_TYPE_133NEW 5 3343 #define SIS_TYPE_SOUTH 6 3344 } sis_hostbr_type[] = { 3345 /* Most infos here are from sos (at) freebsd.org */ 3346 {PCI_PRODUCT_SIS_530HB, 0x00, 4, "530", SIS_TYPE_66}, 3347 #if 0 3348 /* 3349 * controllers associated to a rev 0x2 530 Host to PCI Bridge 3350 * have problems with UDMA (info provided by Christos) 3351 */ 3352 {PCI_PRODUCT_SIS_530HB, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA}, 3353 #endif 3354 {PCI_PRODUCT_SIS_540HB, 0x00, 4, "540", SIS_TYPE_66}, 3355 {PCI_PRODUCT_SIS_550HB, 0x00, 4, "550", SIS_TYPE_66}, 3356 {PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66}, 3357 {PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66}, 3358 {PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW}, 3359 {PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW}, 3360 {PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW}, 3361 {PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH}, 3362 {PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH}, 3363 {PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH}, 3364 {PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH}, 3365 {PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH}, 3366 {PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH}, 3367 {PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH}, 3368 {PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH}, 3369 {PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH}, 3370 {PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD}, 3371 {PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW}, 3372 {PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW}, 3373 {PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH}, 3374 {PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW}, 3375 {PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH}, 3376 {PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH}, 3377 {PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH}, 3378 {PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH}, 3379 {PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH}, 3380 {PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH}, 3381 /* 3382 * From sos (at) freebsd.org: the 0x961 ID will never be found in real world 3383 * {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW}, 3384 */ 3385 {PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW}, 3386 {PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW}, 3387 }; 3388 3389 static struct sis_hostbr_type *sis_hostbr_type_match; 3390 3391 static int 3392 sis_hostbr_match(pa) 3393 struct pci_attach_args *pa; 3394 { 3395 int i; 3396 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS) 3397 return 0; 3398 sis_hostbr_type_match = NULL; 3399 for (i = 0; 3400 i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]); 3401 i++) { 3402 if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id && 3403 PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev) 3404 sis_hostbr_type_match = &sis_hostbr_type[i]; 3405 } 3406 return (sis_hostbr_type_match != NULL); 3407 } 3408 3409 static int sis_south_match(pa) 3410 struct pci_attach_args *pa; 3411 { 3412 return(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS && 3413 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 && 3414 PCI_REVISION(pa->pa_class) >= 0x10); 3415 } 3416 3417 void 3418 sis_chip_map(sc, pa) 3419 struct pciide_softc *sc; 3420 struct pci_attach_args *pa; 3421 { 3422 struct pciide_channel *cp; 3423 int channel; 3424 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 3425 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 3426 pcireg_t rev = PCI_REVISION(pa->pa_class); 3427 bus_size_t cmdsize, ctlsize; 3428 3429 if (pciide_chipen(sc, pa) == 0) 3430 return; 3431 printf(": Silicon Integrated System "); 3432 pci_find_device(NULL, sis_hostbr_match); 3433 if (sis_hostbr_type_match) { 3434 if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) { 3435 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57, 3436 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3437 SIS_REG_57) & 0x7f); 3438 if (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, 3439 PCI_ID_REG)) == SIS_PRODUCT_5518) { 3440 printf("96X UDMA%d", 3441 sis_hostbr_type_match->udma_mode); 3442 sc->sis_type = SIS_TYPE_133NEW; 3443 sc->sc_wdcdev.UDMA_cap = 3444 sis_hostbr_type_match->udma_mode; 3445 } else { 3446 if (pci_find_device(NULL, sis_south_match)) { 3447 sc->sis_type = SIS_TYPE_133OLD; 3448 sc->sc_wdcdev.UDMA_cap = 3449 sis_hostbr_type_match->udma_mode; 3450 } else { 3451 sc->sis_type = SIS_TYPE_100NEW; 3452 sc->sc_wdcdev.UDMA_cap = 3453 sis_hostbr_type_match->udma_mode; 3454 } 3455 } 3456 } else { 3457 sc->sis_type = sis_hostbr_type_match->type; 3458 sc->sc_wdcdev.UDMA_cap = 3459 sis_hostbr_type_match->udma_mode; 3460 } 3461 printf(sis_hostbr_type_match->name); 3462 } else { 3463 printf("5597/5598"); 3464 if (rev >= 0xd0) { 3465 sc->sc_wdcdev.UDMA_cap = 2; 3466 sc->sis_type = SIS_TYPE_66; 3467 } else { 3468 sc->sc_wdcdev.UDMA_cap = 0; 3469 sc->sis_type = SIS_TYPE_NOUDMA; 3470 } 3471 } 3472 printf(" IDE controller (rev. 0x%02x)\n", PCI_REVISION(pa->pa_class)); 3473 printf("%s: bus-master DMA support present", 3474 sc->sc_wdcdev.sc_dev.dv_xname); 3475 pciide_mapreg_dma(sc, pa); 3476 printf("\n"); 3477 3478 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3479 WDC_CAPABILITY_MODE; 3480 if (sc->sc_dma_ok) { 3481 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3482 sc->sc_wdcdev.irqack = pciide_irqack; 3483 if (sc->sis_type >= SIS_TYPE_66) 3484 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 3485 } 3486 3487 sc->sc_wdcdev.PIO_cap = 4; 3488 sc->sc_wdcdev.DMA_cap = 2; 3489 3490 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3491 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3492 switch(sc->sis_type) { 3493 case SIS_TYPE_NOUDMA: 3494 case SIS_TYPE_66: 3495 case SIS_TYPE_100OLD: 3496 sc->sc_wdcdev.set_modes = sis_setup_channel; 3497 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 3498 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 3499 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC); 3500 break; 3501 case SIS_TYPE_100NEW: 3502 case SIS_TYPE_133OLD: 3503 sc->sc_wdcdev.set_modes = sis_setup_channel; 3504 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49, 3505 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01); 3506 break; 3507 case SIS_TYPE_133NEW: 3508 sc->sc_wdcdev.set_modes = sis96x_setup_channel; 3509 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50, 3510 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7); 3511 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52, 3512 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7); 3513 break; 3514 } 3515 3516 3517 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3518 cp = &sc->pciide_channels[channel]; 3519 if (pciide_chansetup(sc, channel, interface) == 0) 3520 continue; 3521 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 3522 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 3523 printf("%s: %s channel ignored (disabled)\n", 3524 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3525 continue; 3526 } 3527 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3528 pciide_pci_intr); 3529 if (cp->hw_ok == 0) 3530 continue; 3531 if (pciide_chan_candisable(cp)) { 3532 if (channel == 0) 3533 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 3534 else 3535 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 3536 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 3537 sis_ctr0); 3538 } 3539 pciide_map_compat_intr(pa, cp, channel, interface); 3540 if (cp->hw_ok == 0) 3541 continue; 3542 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 3543 } 3544 } 3545 3546 void 3547 sis96x_setup_channel(chp) 3548 struct channel_softc *chp; 3549 { 3550 struct ata_drive_datas *drvp; 3551 int drive; 3552 u_int32_t sis_tim; 3553 u_int32_t idedma_ctl; 3554 int regtim; 3555 struct pciide_channel *cp = (struct pciide_channel*)chp; 3556 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3557 3558 sis_tim = 0; 3559 idedma_ctl = 0; 3560 /* setup DMA if needed */ 3561 pciide_channel_dma_setup(cp); 3562 3563 for (drive = 0; drive < 2; drive++) { 3564 regtim = SIS_TIM133( 3565 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57), 3566 chp->channel, drive); 3567 drvp = &chp->ch_drive[drive]; 3568 /* If no drive, skip */ 3569 if ((drvp->drive_flags & DRIVE) == 0) 3570 continue; 3571 /* add timing values, setup DMA if needed */ 3572 if (drvp->drive_flags & DRIVE_UDMA) { 3573 /* use Ultra/DMA */ 3574 drvp->drive_flags &= ~DRIVE_DMA; 3575 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, 3576 SIS96x_REG_CBL(chp->channel)) & SIS96x_REG_CBL_33) { 3577 if (drvp->UDMA_mode > 2) 3578 drvp->UDMA_mode = 2; 3579 } 3580 sis_tim |= sis_udma133new_tim[drvp->UDMA_mode]; 3581 sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; 3582 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3583 } else if (drvp->drive_flags & DRIVE_DMA) { 3584 /* 3585 * use Multiword DMA 3586 * Timings will be used for both PIO and DMA, 3587 * so adjust DMA mode if needed 3588 */ 3589 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3590 drvp->PIO_mode = drvp->DMA_mode + 2; 3591 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3592 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3593 drvp->PIO_mode - 2 : 0; 3594 sis_tim |= sis_dma133new_tim[drvp->DMA_mode]; 3595 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3596 } else { 3597 sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; 3598 } 3599 WDCDEBUG_PRINT(("sis96x_setup_channel: new timings reg for " 3600 "channel %d drive %d: 0x%x (reg 0x%x)\n", 3601 chp->channel, drive, sis_tim, regtim), DEBUG_PROBE); 3602 pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim); 3603 } 3604 if (idedma_ctl != 0) { 3605 /* Add software bits in status register */ 3606 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3607 IDEDMA_CTL+ (IDEDMA_SCH_OFFSET * chp->channel), 3608 idedma_ctl); 3609 } 3610 pciide_print_modes(cp); 3611 } 3612 3613 void 3614 sis_setup_channel(chp) 3615 struct channel_softc *chp; 3616 { 3617 struct ata_drive_datas *drvp; 3618 int drive; 3619 u_int32_t sis_tim; 3620 u_int32_t idedma_ctl; 3621 struct pciide_channel *cp = (struct pciide_channel*)chp; 3622 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3623 3624 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 3625 "channel %d 0x%x\n", chp->channel, 3626 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 3627 DEBUG_PROBE); 3628 sis_tim = 0; 3629 idedma_ctl = 0; 3630 /* setup DMA if needed */ 3631 pciide_channel_dma_setup(cp); 3632 3633 for (drive = 0; drive < 2; drive++) { 3634 drvp = &chp->ch_drive[drive]; 3635 /* If no drive, skip */ 3636 if ((drvp->drive_flags & DRIVE) == 0) 3637 continue; 3638 /* add timing values, setup DMA if needed */ 3639 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 3640 (drvp->drive_flags & DRIVE_UDMA) == 0) 3641 goto pio; 3642 3643 if (drvp->drive_flags & DRIVE_UDMA) { 3644 /* use Ultra/DMA */ 3645 drvp->drive_flags &= ~DRIVE_DMA; 3646 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, 3647 SIS_REG_CBL) & SIS_REG_CBL_33(chp->channel)) { 3648 if (drvp->UDMA_mode > 2) 3649 drvp->UDMA_mode = 2; 3650 } 3651 switch (sc->sis_type) { 3652 case SIS_TYPE_66: 3653 case SIS_TYPE_100OLD: 3654 sis_tim |= sis_udma66_tim[drvp->UDMA_mode] << 3655 SIS_TIM66_UDMA_TIME_OFF(drive); 3656 break; 3657 case SIS_TYPE_100NEW: 3658 sis_tim |= 3659 sis_udma100new_tim[drvp->UDMA_mode] << 3660 SIS_TIM100_UDMA_TIME_OFF(drive); 3661 case SIS_TYPE_133OLD: 3662 sis_tim |= 3663 sis_udma133old_tim[drvp->UDMA_mode] << 3664 SIS_TIM100_UDMA_TIME_OFF(drive); 3665 break; 3666 default: 3667 printf("unknown SiS IDE type %d\n", 3668 sc->sis_type); 3669 } 3670 } else { 3671 /* 3672 * use Multiword DMA 3673 * Timings will be used for both PIO and DMA, 3674 * so adjust DMA mode if needed 3675 */ 3676 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3677 drvp->PIO_mode = drvp->DMA_mode + 2; 3678 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3679 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3680 drvp->PIO_mode - 2 : 0; 3681 if (drvp->DMA_mode == 0) 3682 drvp->PIO_mode = 0; 3683 } 3684 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3685 pio: switch (sc->sis_type) { 3686 case SIS_TYPE_NOUDMA: 3687 case SIS_TYPE_66: 3688 case SIS_TYPE_100OLD: 3689 sis_tim |= sis_pio_act[drvp->PIO_mode] << 3690 SIS_TIM66_ACT_OFF(drive); 3691 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 3692 SIS_TIM66_REC_OFF(drive); 3693 break; 3694 case SIS_TYPE_100NEW: 3695 case SIS_TYPE_133OLD: 3696 sis_tim |= sis_pio_act[drvp->PIO_mode] << 3697 SIS_TIM100_ACT_OFF(drive); 3698 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 3699 SIS_TIM100_REC_OFF(drive); 3700 break; 3701 default: 3702 printf("unknown SiS IDE type %d\n", 3703 sc->sis_type); 3704 } 3705 } 3706 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 3707 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 3708 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 3709 if (idedma_ctl != 0) { 3710 /* Add software bits in status register */ 3711 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3712 IDEDMA_CTL+ (IDEDMA_SCH_OFFSET * chp->channel), 3713 idedma_ctl); 3714 } 3715 pciide_print_modes(cp); 3716 } 3717 3718 void 3719 acer_chip_map(sc, pa) 3720 struct pciide_softc *sc; 3721 struct pci_attach_args *pa; 3722 { 3723 struct pciide_channel *cp; 3724 int channel; 3725 pcireg_t cr, interface; 3726 bus_size_t cmdsize, ctlsize; 3727 pcireg_t rev = PCI_REVISION(pa->pa_class); 3728 3729 if (pciide_chipen(sc, pa) == 0) 3730 return; 3731 printf("%s: bus-master DMA support present", 3732 sc->sc_wdcdev.sc_dev.dv_xname); 3733 pciide_mapreg_dma(sc, pa); 3734 printf("\n"); 3735 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3736 WDC_CAPABILITY_MODE; 3737 if (sc->sc_dma_ok) { 3738 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; 3739 if (rev >= 0x20) { 3740 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 3741 if (rev >= 0xC4) 3742 sc->sc_wdcdev.UDMA_cap = 5; 3743 else if (rev >= 0xC2) 3744 sc->sc_wdcdev.UDMA_cap = 4; 3745 else 3746 sc->sc_wdcdev.UDMA_cap = 2; 3747 } 3748 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3749 sc->sc_wdcdev.irqack = pciide_irqack; 3750 } 3751 3752 sc->sc_wdcdev.PIO_cap = 4; 3753 sc->sc_wdcdev.DMA_cap = 2; 3754 sc->sc_wdcdev.set_modes = acer_setup_channel; 3755 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3756 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3757 3758 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 3759 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 3760 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 3761 3762 /* Enable "microsoft register bits" R/W. */ 3763 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 3764 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 3765 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 3766 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 3767 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 3768 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 3769 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 3770 ~ACER_CHANSTATUSREGS_RO); 3771 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 3772 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 3773 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 3774 /* Don't use cr, re-read the real register content instead */ 3775 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 3776 PCI_CLASS_REG)); 3777 3778 /* From linux: enable "Cable Detection" */ 3779 if (rev >= 0xC2) { 3780 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B, 3781 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B) 3782 | ACER_0x4B_CDETECT); 3783 } 3784 3785 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3786 cp = &sc->pciide_channels[channel]; 3787 if (pciide_chansetup(sc, channel, interface) == 0) 3788 continue; 3789 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 3790 printf("%s: %s channel ignored (disabled)\n", 3791 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3792 continue; 3793 } 3794 /* newer controllers seems to lack the ACER_CHIDS. Sigh */ 3795 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3796 (rev >= 0xC2) ? pciide_pci_intr : acer_pci_intr); 3797 if (cp->hw_ok == 0) 3798 continue; 3799 if (pciide_chan_candisable(cp)) { 3800 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 3801 pci_conf_write(sc->sc_pc, sc->sc_tag, 3802 PCI_CLASS_REG, cr); 3803 } 3804 pciide_map_compat_intr(pa, cp, channel, interface); 3805 acer_setup_channel(&cp->wdc_channel); 3806 } 3807 } 3808 3809 void 3810 acer_setup_channel(chp) 3811 struct channel_softc *chp; 3812 { 3813 struct ata_drive_datas *drvp; 3814 int drive; 3815 u_int32_t acer_fifo_udma; 3816 u_int32_t idedma_ctl; 3817 struct pciide_channel *cp = (struct pciide_channel*)chp; 3818 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3819 3820 idedma_ctl = 0; 3821 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 3822 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 3823 acer_fifo_udma), DEBUG_PROBE); 3824 /* setup DMA if needed */ 3825 pciide_channel_dma_setup(cp); 3826 3827 if ((chp->ch_drive[0].drive_flags | chp->ch_drive[1].drive_flags) & 3828 DRIVE_UDMA) { /* check 80 pins cable */ 3829 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4A) & 3830 ACER_0x4A_80PIN(chp->channel)) { 3831 if (chp->ch_drive[0].UDMA_mode > 2) 3832 chp->ch_drive[0].UDMA_mode = 2; 3833 if (chp->ch_drive[1].UDMA_mode > 2) 3834 chp->ch_drive[1].UDMA_mode = 2; 3835 } 3836 } 3837 3838 for (drive = 0; drive < 2; drive++) { 3839 drvp = &chp->ch_drive[drive]; 3840 /* If no drive, skip */ 3841 if ((drvp->drive_flags & DRIVE) == 0) 3842 continue; 3843 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 3844 "channel %d drive %d 0x%x\n", chp->channel, drive, 3845 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3846 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 3847 /* clear FIFO/DMA mode */ 3848 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 3849 ACER_UDMA_EN(chp->channel, drive) | 3850 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 3851 3852 /* add timing values, setup DMA if needed */ 3853 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 3854 (drvp->drive_flags & DRIVE_UDMA) == 0) { 3855 acer_fifo_udma |= 3856 ACER_FTH_OPL(chp->channel, drive, 0x1); 3857 goto pio; 3858 } 3859 3860 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 3861 if (drvp->drive_flags & DRIVE_UDMA) { 3862 /* use Ultra/DMA */ 3863 drvp->drive_flags &= ~DRIVE_DMA; 3864 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 3865 acer_fifo_udma |= 3866 ACER_UDMA_TIM(chp->channel, drive, 3867 acer_udma[drvp->UDMA_mode]); 3868 /* XXX disable if one drive < UDMA3 ? */ 3869 if (drvp->UDMA_mode >= 3) { 3870 pciide_pci_write(sc->sc_pc, sc->sc_tag, 3871 ACER_0x4B, 3872 pciide_pci_read(sc->sc_pc, sc->sc_tag, 3873 ACER_0x4B) | ACER_0x4B_UDMA66); 3874 } 3875 } else { 3876 /* 3877 * use Multiword DMA 3878 * Timings will be used for both PIO and DMA, 3879 * so adjust DMA mode if needed 3880 */ 3881 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3882 drvp->PIO_mode = drvp->DMA_mode + 2; 3883 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3884 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3885 drvp->PIO_mode - 2 : 0; 3886 if (drvp->DMA_mode == 0) 3887 drvp->PIO_mode = 0; 3888 } 3889 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3890 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 3891 ACER_IDETIM(chp->channel, drive), 3892 acer_pio[drvp->PIO_mode]); 3893 } 3894 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 3895 acer_fifo_udma), DEBUG_PROBE); 3896 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 3897 if (idedma_ctl != 0) { 3898 /* Add software bits in status register */ 3899 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3900 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 3901 idedma_ctl); 3902 } 3903 pciide_print_modes(cp); 3904 } 3905 3906 int 3907 acer_pci_intr(arg) 3908 void *arg; 3909 { 3910 struct pciide_softc *sc = arg; 3911 struct pciide_channel *cp; 3912 struct channel_softc *wdc_cp; 3913 int i, rv, crv; 3914 u_int32_t chids; 3915 3916 rv = 0; 3917 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 3918 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3919 cp = &sc->pciide_channels[i]; 3920 wdc_cp = &cp->wdc_channel; 3921 /* If a compat channel skip. */ 3922 if (cp->compat) 3923 continue; 3924 if (chids & ACER_CHIDS_INT(i)) { 3925 crv = wdcintr(wdc_cp); 3926 if (crv == 0) 3927 printf("%s:%d: bogus intr\n", 3928 sc->sc_wdcdev.sc_dev.dv_xname, i); 3929 else 3930 rv = 1; 3931 } 3932 } 3933 return rv; 3934 } 3935 3936 void 3937 hpt_chip_map(sc, pa) 3938 struct pciide_softc *sc; 3939 struct pci_attach_args *pa; 3940 { 3941 struct pciide_channel *cp; 3942 int i, compatchan, revision; 3943 pcireg_t interface; 3944 bus_size_t cmdsize, ctlsize; 3945 3946 if (pciide_chipen(sc, pa) == 0) 3947 return; 3948 revision = PCI_REVISION(pa->pa_class); 3949 printf(": Triones/Highpoint "); 3950 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 3951 printf("HPT374 IDE Controller\n"); 3952 else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372) 3953 printf("HPT372 IDE Controller\n"); 3954 else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366) { 3955 if (revision == HPT372_REV) 3956 printf("HPT372 IDE Controller\n"); 3957 else if (revision == HPT370_REV) 3958 printf("HPT370 IDE Controller\n"); 3959 else if (revision == HPT370A_REV) 3960 printf("HPT370A IDE Controller\n"); 3961 else if (revision == HPT366_REV) 3962 printf("HPT366 IDE Controller\n"); 3963 else 3964 printf("unknown HPT IDE controller rev %d\n", revision); 3965 } else 3966 printf("unknown HPT IDE controller 0x%x\n", 3967 sc->sc_pp->ide_product); 3968 3969 /* 3970 * when the chip is in native mode it identifies itself as a 3971 * 'misc mass storage'. Fake interface in this case. 3972 */ 3973 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3974 interface = PCI_INTERFACE(pa->pa_class); 3975 } else { 3976 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3977 PCIIDE_INTERFACE_PCI(0); 3978 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 3979 (revision == HPT370_REV || revision == HPT370A_REV || 3980 revision == HPT372_REV)) || 3981 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 3982 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 3983 interface |= PCIIDE_INTERFACE_PCI(1); 3984 } 3985 3986 printf("%s: bus-master DMA support present", 3987 sc->sc_wdcdev.sc_dev.dv_xname); 3988 pciide_mapreg_dma(sc, pa); 3989 printf("\n"); 3990 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3991 WDC_CAPABILITY_MODE; 3992 if (sc->sc_dma_ok) { 3993 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3994 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3995 sc->sc_wdcdev.irqack = pciide_irqack; 3996 } 3997 sc->sc_wdcdev.PIO_cap = 4; 3998 sc->sc_wdcdev.DMA_cap = 2; 3999 4000 sc->sc_wdcdev.set_modes = hpt_setup_channel; 4001 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4002 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4003 revision == HPT366_REV) { 4004 sc->sc_wdcdev.UDMA_cap = 4; 4005 /* 4006 * The 366 has 2 PCI IDE functions, one for primary and one 4007 * for secondary. So we need to call pciide_mapregs_compat() 4008 * with the real channel 4009 */ 4010 if (pa->pa_function == 0) { 4011 compatchan = 0; 4012 } else if (pa->pa_function == 1) { 4013 compatchan = 1; 4014 } else { 4015 printf("%s: unexpected PCI function %d\n", 4016 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 4017 return; 4018 } 4019 sc->sc_wdcdev.nchannels = 1; 4020 } else { 4021 sc->sc_wdcdev.nchannels = 2; 4022 if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 || 4023 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4024 (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4025 revision == HPT372_REV)) 4026 sc->sc_wdcdev.UDMA_cap = 6; 4027 else 4028 sc->sc_wdcdev.UDMA_cap = 5; 4029 } 4030 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4031 cp = &sc->pciide_channels[i]; 4032 if (sc->sc_wdcdev.nchannels > 1) { 4033 compatchan = i; 4034 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 4035 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 4036 printf("%s: %s channel ignored (disabled)\n", 4037 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 4038 continue; 4039 } 4040 } 4041 if (pciide_chansetup(sc, i, interface) == 0) 4042 continue; 4043 if (interface & PCIIDE_INTERFACE_PCI(i)) { 4044 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 4045 &ctlsize, hpt_pci_intr); 4046 } else { 4047 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 4048 &cmdsize, &ctlsize); 4049 } 4050 if (cp->hw_ok == 0) 4051 return; 4052 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 4053 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 4054 wdcattach(&cp->wdc_channel); 4055 hpt_setup_channel(&cp->wdc_channel); 4056 } 4057 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4058 (revision == HPT370_REV || revision == HPT370A_REV || 4059 revision == HPT372_REV)) || 4060 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4061 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) { 4062 /* 4063 * HPT370_REV and highter has a bit to disable interrupts, 4064 * make sure to clear it 4065 */ 4066 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 4067 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 4068 ~HPT_CSEL_IRQDIS); 4069 } 4070 /* set clocks, etc (mandatory on 372/4, optional otherwise) */ 4071 if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && 4072 revision == HPT372_REV ) || 4073 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372 || 4074 sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) 4075 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2, 4076 (pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) & 4077 HPT_SC2_MAEN) | HPT_SC2_OSC_EN); 4078 return; 4079 } 4080 4081 void 4082 hpt_setup_channel(chp) 4083 struct channel_softc *chp; 4084 { 4085 struct ata_drive_datas *drvp; 4086 int drive; 4087 int cable; 4088 u_int32_t before, after; 4089 u_int32_t idedma_ctl; 4090 struct pciide_channel *cp = (struct pciide_channel*)chp; 4091 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4092 int revision = 4093 PCI_REVISION(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 4094 4095 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 4096 4097 /* setup DMA if needed */ 4098 pciide_channel_dma_setup(cp); 4099 4100 idedma_ctl = 0; 4101 4102 /* Per drive settings */ 4103 for (drive = 0; drive < 2; drive++) { 4104 drvp = &chp->ch_drive[drive]; 4105 /* If no drive, skip */ 4106 if ((drvp->drive_flags & DRIVE) == 0) 4107 continue; 4108 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 4109 HPT_IDETIM(chp->channel, drive)); 4110 4111 /* add timing values, setup DMA if needed */ 4112 if (drvp->drive_flags & DRIVE_UDMA) { 4113 /* use Ultra/DMA */ 4114 drvp->drive_flags &= ~DRIVE_DMA; 4115 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 4116 drvp->UDMA_mode > 2) 4117 drvp->UDMA_mode = 2; 4118 switch (sc->sc_pp->ide_product) { 4119 case PCI_PRODUCT_TRIONES_HPT374: 4120 after = hpt374_udma[drvp->UDMA_mode]; 4121 break; 4122 case PCI_PRODUCT_TRIONES_HPT372: 4123 after = hpt372_udma[drvp->UDMA_mode]; 4124 break; 4125 case PCI_PRODUCT_TRIONES_HPT366: 4126 default: 4127 switch(revision) { 4128 case HPT372_REV: 4129 after = hpt372_udma[drvp->UDMA_mode]; 4130 break; 4131 case HPT370_REV: 4132 case HPT370A_REV: 4133 after = hpt370_udma[drvp->UDMA_mode]; 4134 break; 4135 case HPT366_REV: 4136 default: 4137 after = hpt366_udma[drvp->UDMA_mode]; 4138 break; 4139 } 4140 } 4141 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4142 } else if (drvp->drive_flags & DRIVE_DMA) { 4143 /* 4144 * use Multiword DMA. 4145 * Timings will be used for both PIO and DMA, so adjust 4146 * DMA mode if needed 4147 */ 4148 if (drvp->PIO_mode >= 3 && 4149 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 4150 drvp->DMA_mode = drvp->PIO_mode - 2; 4151 } 4152 switch (sc->sc_pp->ide_product) { 4153 case PCI_PRODUCT_TRIONES_HPT374: 4154 after = hpt374_dma[drvp->DMA_mode]; 4155 break; 4156 case PCI_PRODUCT_TRIONES_HPT372: 4157 after = hpt372_dma[drvp->DMA_mode]; 4158 break; 4159 case PCI_PRODUCT_TRIONES_HPT366: 4160 default: 4161 switch(revision) { 4162 case HPT372_REV: 4163 after = hpt372_dma[drvp->DMA_mode]; 4164 break; 4165 case HPT370_REV: 4166 case HPT370A_REV: 4167 after = hpt370_dma[drvp->DMA_mode]; 4168 break; 4169 case HPT366_REV: 4170 default: 4171 after = hpt366_dma[drvp->DMA_mode]; 4172 break; 4173 } 4174 } 4175 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4176 } else { 4177 /* PIO only */ 4178 switch (sc->sc_pp->ide_product) { 4179 case PCI_PRODUCT_TRIONES_HPT374: 4180 after = hpt374_pio[drvp->PIO_mode]; 4181 break; 4182 case PCI_PRODUCT_TRIONES_HPT372: 4183 after = hpt372_pio[drvp->PIO_mode]; 4184 break; 4185 case PCI_PRODUCT_TRIONES_HPT366: 4186 default: 4187 switch(revision) { 4188 case HPT372_REV: 4189 after = hpt372_pio[drvp->PIO_mode]; 4190 break; 4191 case HPT370_REV: 4192 case HPT370A_REV: 4193 after = hpt370_pio[drvp->PIO_mode]; 4194 break; 4195 case HPT366_REV: 4196 default: 4197 after = hpt366_pio[drvp->PIO_mode]; 4198 break; 4199 } 4200 } 4201 } 4202 pci_conf_write(sc->sc_pc, sc->sc_tag, 4203 HPT_IDETIM(chp->channel, drive), after); 4204 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 4205 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 4206 after, before), DEBUG_PROBE); 4207 } 4208 if (idedma_ctl != 0) { 4209 /* Add software bits in status register */ 4210 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4211 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 4212 idedma_ctl); 4213 } 4214 pciide_print_modes(cp); 4215 } 4216 4217 int 4218 hpt_pci_intr(arg) 4219 void *arg; 4220 { 4221 struct pciide_softc *sc = arg; 4222 struct pciide_channel *cp; 4223 struct channel_softc *wdc_cp; 4224 int rv = 0; 4225 int dmastat, i, crv; 4226 4227 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4228 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4229 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 4230 if((dmastat & ( IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != 4231 IDEDMA_CTL_INTR) 4232 continue; 4233 cp = &sc->pciide_channels[i]; 4234 wdc_cp = &cp->wdc_channel; 4235 crv = wdcintr(wdc_cp); 4236 if (crv == 0) { 4237 printf("%s:%d: bogus intr\n", 4238 sc->sc_wdcdev.sc_dev.dv_xname, i); 4239 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4240 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 4241 } else 4242 rv = 1; 4243 } 4244 return rv; 4245 } 4246 4247 4248 /* Macros to test product */ 4249 #define PDC_IS_262(sc) \ 4250 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 4251 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 4252 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X || \ 4253 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \ 4254 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \ 4255 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4256 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4257 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4258 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4259 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4260 #define PDC_IS_265(sc) \ 4261 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 4262 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X || \ 4263 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \ 4264 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \ 4265 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4266 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4267 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4268 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4269 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4270 #define PDC_IS_268(sc) \ 4271 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2 || \ 4272 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100TX2v2 || \ 4273 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4274 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4275 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4276 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4277 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4278 #define PDC_IS_276(sc) \ 4279 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133 || \ 4280 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2 || \ 4281 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_MBULTRA133 || \ 4282 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA133TX2v2 || \ 4283 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_FASTTRAK133LITE) 4284 4285 void 4286 pdc202xx_chip_map(sc, pa) 4287 struct pciide_softc *sc; 4288 struct pci_attach_args *pa; 4289 { 4290 struct pciide_channel *cp; 4291 int channel; 4292 pcireg_t interface, st, mode; 4293 bus_size_t cmdsize, ctlsize; 4294 4295 if (!PDC_IS_268(sc)) { 4296 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 4297 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", 4298 st), DEBUG_PROBE); 4299 } 4300 if (pciide_chipen(sc, pa) == 0) 4301 return; 4302 4303 /* turn off RAID mode */ 4304 if (!PDC_IS_268(sc)) 4305 st &= ~PDC2xx_STATE_IDERAID; 4306 4307 /* 4308 * can't rely on the PCI_CLASS_REG content if the chip was in raid 4309 * mode. We have to fake interface 4310 */ 4311 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 4312 if (PDC_IS_268(sc) || (st & PDC2xx_STATE_NATIVE)) 4313 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 4314 4315 printf("%s: bus-master DMA support present", 4316 sc->sc_wdcdev.sc_dev.dv_xname); 4317 pciide_mapreg_dma(sc, pa); 4318 printf("\n"); 4319 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 4320 WDC_CAPABILITY_MODE; 4321 if (sc->sc_dma_ok) { 4322 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 4323 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 4324 sc->sc_wdcdev.irqack = pciide_irqack; 4325 } 4326 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 4327 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_RAID) 4328 sc->sc_wdcdev.cap |= WDC_CAPABILITY_RAID; 4329 sc->sc_wdcdev.PIO_cap = 4; 4330 sc->sc_wdcdev.DMA_cap = 2; 4331 if (PDC_IS_276(sc)) 4332 sc->sc_wdcdev.UDMA_cap = 6; 4333 else if (PDC_IS_265(sc)) 4334 sc->sc_wdcdev.UDMA_cap = 5; 4335 else if (PDC_IS_262(sc)) 4336 sc->sc_wdcdev.UDMA_cap = 4; 4337 else 4338 sc->sc_wdcdev.UDMA_cap = 2; 4339 sc->sc_wdcdev.set_modes = PDC_IS_268(sc) ? 4340 pdc20268_setup_channel : pdc202xx_setup_channel; 4341 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4342 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 4343 4344 if (!PDC_IS_268(sc)) { 4345 /* setup failsafe defaults */ 4346 mode = 0; 4347 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 4348 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 4349 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 4350 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 4351 for (channel = 0; 4352 channel < sc->sc_wdcdev.nchannels; 4353 channel++) { 4354 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d " 4355 "drive 0 initial timings 0x%x, now 0x%x\n", 4356 channel, pci_conf_read(sc->sc_pc, sc->sc_tag, 4357 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 4358 DEBUG_PROBE); 4359 pci_conf_write(sc->sc_pc, sc->sc_tag, 4360 PDC2xx_TIM(channel, 0), mode | PDC2xx_TIM_IORDYp); 4361 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d " 4362 "drive 1 initial timings 0x%x, now 0x%x\n", 4363 channel, pci_conf_read(sc->sc_pc, sc->sc_tag, 4364 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 4365 pci_conf_write(sc->sc_pc, sc->sc_tag, 4366 PDC2xx_TIM(channel, 1), mode); 4367 } 4368 4369 mode = PDC2xx_SCR_DMA; 4370 if (PDC_IS_262(sc)) { 4371 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 4372 } else { 4373 /* the BIOS set it up this way */ 4374 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 4375 } 4376 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 4377 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 4378 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, " 4379 "now 0x%x\n", 4380 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4381 PDC2xx_SCR), 4382 mode), DEBUG_PROBE); 4383 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4384 PDC2xx_SCR, mode); 4385 4386 /* controller initial state register is OK even without BIOS */ 4387 /* Set DMA mode to IDE DMA compatibility */ 4388 mode = 4389 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 4390 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode), 4391 DEBUG_PROBE); 4392 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 4393 mode | 0x1); 4394 mode = 4395 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 4396 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 4397 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 4398 mode | 0x1); 4399 } 4400 4401 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 4402 cp = &sc->pciide_channels[channel]; 4403 if (pciide_chansetup(sc, channel, interface) == 0) 4404 continue; 4405 if (!PDC_IS_268(sc) && (st & (PDC_IS_262(sc) ? 4406 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 4407 printf("%s: %s channel ignored (disabled)\n", 4408 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 4409 continue; 4410 } 4411 if (PDC_IS_265(sc)) 4412 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 4413 pdc20265_pci_intr); 4414 else 4415 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 4416 pdc202xx_pci_intr); 4417 if (cp->hw_ok == 0) 4418 continue; 4419 if (!PDC_IS_268(sc) && pciide_chan_candisable(cp)) 4420 st &= ~(PDC_IS_262(sc) ? 4421 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 4422 pciide_map_compat_intr(pa, cp, channel, interface); 4423 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 4424 } 4425 if (!PDC_IS_268(sc)) { 4426 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state " 4427 "0x%x\n", st), DEBUG_PROBE); 4428 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 4429 } 4430 return; 4431 } 4432 4433 void 4434 pdc202xx_setup_channel(chp) 4435 struct channel_softc *chp; 4436 { 4437 struct ata_drive_datas *drvp; 4438 int drive; 4439 pcireg_t mode, st; 4440 u_int32_t idedma_ctl, scr, atapi; 4441 struct pciide_channel *cp = (struct pciide_channel*)chp; 4442 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4443 int channel = chp->channel; 4444 4445 /* setup DMA if needed */ 4446 pciide_channel_dma_setup(cp); 4447 4448 idedma_ctl = 0; 4449 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n", 4450 sc->sc_wdcdev.sc_dev.dv_xname, 4451 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)), 4452 DEBUG_PROBE); 4453 4454 /* Per channel settings */ 4455 if (PDC_IS_262(sc)) { 4456 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4457 PDC262_U66); 4458 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 4459 /* Trim UDMA mode */ 4460 if ((st & PDC262_STATE_80P(channel)) != 0 || 4461 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 4462 chp->ch_drive[0].UDMA_mode <= 2) || 4463 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 4464 chp->ch_drive[1].UDMA_mode <= 2)) { 4465 if (chp->ch_drive[0].UDMA_mode > 2) 4466 chp->ch_drive[0].UDMA_mode = 2; 4467 if (chp->ch_drive[1].UDMA_mode > 2) 4468 chp->ch_drive[1].UDMA_mode = 2; 4469 } 4470 /* Set U66 if needed */ 4471 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 4472 chp->ch_drive[0].UDMA_mode > 2) || 4473 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 4474 chp->ch_drive[1].UDMA_mode > 2)) 4475 scr |= PDC262_U66_EN(channel); 4476 else 4477 scr &= ~PDC262_U66_EN(channel); 4478 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4479 PDC262_U66, scr); 4480 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n", 4481 sc->sc_wdcdev.sc_dev.dv_xname, channel, 4482 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4483 PDC262_ATAPI(channel))), DEBUG_PROBE); 4484 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 4485 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 4486 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 4487 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 4488 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 4489 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 4490 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 4491 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 4492 atapi = 0; 4493 else 4494 atapi = PDC262_ATAPI_UDMA; 4495 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 4496 PDC262_ATAPI(channel), atapi); 4497 } 4498 } 4499 for (drive = 0; drive < 2; drive++) { 4500 drvp = &chp->ch_drive[drive]; 4501 /* If no drive, skip */ 4502 if ((drvp->drive_flags & DRIVE) == 0) 4503 continue; 4504 mode = 0; 4505 if (drvp->drive_flags & DRIVE_UDMA) { 4506 /* use Ultra/DMA */ 4507 drvp->drive_flags &= ~DRIVE_DMA; 4508 mode = PDC2xx_TIM_SET_MB(mode, 4509 pdc2xx_udma_mb[drvp->UDMA_mode]); 4510 mode = PDC2xx_TIM_SET_MC(mode, 4511 pdc2xx_udma_mc[drvp->UDMA_mode]); 4512 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4513 } else if (drvp->drive_flags & DRIVE_DMA) { 4514 mode = PDC2xx_TIM_SET_MB(mode, 4515 pdc2xx_dma_mb[drvp->DMA_mode]); 4516 mode = PDC2xx_TIM_SET_MC(mode, 4517 pdc2xx_dma_mc[drvp->DMA_mode]); 4518 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4519 } else { 4520 mode = PDC2xx_TIM_SET_MB(mode, 4521 pdc2xx_dma_mb[0]); 4522 mode = PDC2xx_TIM_SET_MC(mode, 4523 pdc2xx_dma_mc[0]); 4524 } 4525 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 4526 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 4527 if (drvp->drive_flags & DRIVE_ATA) 4528 mode |= PDC2xx_TIM_PRE; 4529 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 4530 if (drvp->PIO_mode >= 3) { 4531 mode |= PDC2xx_TIM_IORDY; 4532 if (drive == 0) 4533 mode |= PDC2xx_TIM_IORDYp; 4534 } 4535 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 4536 "timings 0x%x\n", 4537 sc->sc_wdcdev.sc_dev.dv_xname, 4538 chp->channel, drive, mode), DEBUG_PROBE); 4539 pci_conf_write(sc->sc_pc, sc->sc_tag, 4540 PDC2xx_TIM(chp->channel, drive), mode); 4541 } 4542 if (idedma_ctl != 0) { 4543 /* Add software bits in status register */ 4544 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4545 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 4546 idedma_ctl); 4547 } 4548 pciide_print_modes(cp); 4549 } 4550 4551 void 4552 pdc20268_setup_channel(chp) 4553 struct channel_softc *chp; 4554 { 4555 struct ata_drive_datas *drvp; 4556 int drive; 4557 u_int32_t idedma_ctl; 4558 struct pciide_channel *cp = (struct pciide_channel*)chp; 4559 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4560 int u100; 4561 4562 /* setup DMA if needed */ 4563 pciide_channel_dma_setup(cp); 4564 4565 idedma_ctl = 0; 4566 4567 /* I don't know what this is for, FreeBSD does it ... */ 4568 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4569 IDEDMA_CMD + 0x1, 0x0b); 4570 4571 /* 4572 * I don't know what this is for; FreeBSD checks this ... this is not 4573 * cable type detect. 4574 */ 4575 u100 = (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4576 IDEDMA_CMD + 0x3) & 0x04) ? 0 : 1; 4577 4578 for (drive = 0; drive < 2; drive++) { 4579 drvp = &chp->ch_drive[drive]; 4580 /* If no drive, skip */ 4581 if ((drvp->drive_flags & DRIVE) == 0) 4582 continue; 4583 if (drvp->drive_flags & DRIVE_UDMA) { 4584 /* use Ultra/DMA */ 4585 drvp->drive_flags &= ~DRIVE_DMA; 4586 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4587 if (drvp->UDMA_mode > 2 && u100 == 0) 4588 drvp->UDMA_mode = 2; 4589 } else if (drvp->drive_flags & DRIVE_DMA) { 4590 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4591 } 4592 } 4593 /* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */ 4594 if (idedma_ctl != 0) { 4595 /* Add software bits in status register */ 4596 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 4597 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 4598 idedma_ctl); 4599 } 4600 pciide_print_modes(cp); 4601 } 4602 4603 int 4604 pdc202xx_pci_intr(arg) 4605 void *arg; 4606 { 4607 struct pciide_softc *sc = arg; 4608 struct pciide_channel *cp; 4609 struct channel_softc *wdc_cp; 4610 int i, rv, crv; 4611 u_int32_t scr; 4612 4613 rv = 0; 4614 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 4615 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4616 cp = &sc->pciide_channels[i]; 4617 wdc_cp = &cp->wdc_channel; 4618 /* If a compat channel skip. */ 4619 if (cp->compat) 4620 continue; 4621 if (scr & PDC2xx_SCR_INT(i)) { 4622 crv = wdcintr(wdc_cp); 4623 if (crv == 0) 4624 printf("%s:%d: bogus intr (reg 0x%x)\n", 4625 sc->sc_wdcdev.sc_dev.dv_xname, i, scr); 4626 else 4627 rv = 1; 4628 } 4629 } 4630 return rv; 4631 } 4632 4633 int 4634 pdc20265_pci_intr(arg) 4635 void *arg; 4636 { 4637 struct pciide_softc *sc = arg; 4638 struct pciide_channel *cp; 4639 struct channel_softc *wdc_cp; 4640 int i, rv, crv; 4641 u_int32_t dmastat; 4642 4643 rv = 0; 4644 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4645 cp = &sc->pciide_channels[i]; 4646 wdc_cp = &cp->wdc_channel; 4647 /* If a compat channel skip. */ 4648 if (cp->compat) 4649 continue; 4650 /* 4651 * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously, 4652 * however it asserts INT in IDEDMA_CTL even for non-DMA ops. 4653 * So use it instead (requires 2 reg reads instead of 1, 4654 * but we can't do it another way). 4655 */ 4656 dmastat = bus_space_read_1(sc->sc_dma_iot, 4657 sc->sc_dma_ioh, IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 4658 if((dmastat & IDEDMA_CTL_INTR) == 0) 4659 continue; 4660 crv = wdcintr(wdc_cp); 4661 if (crv == 0) 4662 printf("%s:%d: bogus intr\n", 4663 sc->sc_wdcdev.sc_dev.dv_xname, i); 4664 else 4665 rv = 1; 4666 } 4667 return rv; 4668 } 4669 4670 void 4671 opti_chip_map(sc, pa) 4672 struct pciide_softc *sc; 4673 struct pci_attach_args *pa; 4674 { 4675 struct pciide_channel *cp; 4676 bus_size_t cmdsize, ctlsize; 4677 pcireg_t interface; 4678 u_int8_t init_ctrl; 4679 int channel; 4680 4681 if (pciide_chipen(sc, pa) == 0) 4682 return; 4683 printf("%s: bus-master DMA support present", 4684 sc->sc_wdcdev.sc_dev.dv_xname); 4685 4686 /* 4687 * XXXSCW: 4688 * There seem to be a couple of buggy revisions/implementations 4689 * of the OPTi pciide chipset. This kludge seems to fix one of 4690 * the reported problems (PR/11644) but still fails for the 4691 * other (PR/13151), although the latter may be due to other 4692 * issues too... 4693 */ 4694 if (PCI_REVISION(pa->pa_class) <= 0x12) { 4695 printf(" but disabled due to chip rev. <= 0x12"); 4696 sc->sc_dma_ok = 0; 4697 } else 4698 pciide_mapreg_dma(sc, pa); 4699 4700 printf("\n"); 4701 4702 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_DATA16 | 4703 WDC_CAPABILITY_MODE; 4704 sc->sc_wdcdev.PIO_cap = 4; 4705 if (sc->sc_dma_ok) { 4706 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 4707 sc->sc_wdcdev.irqack = pciide_irqack; 4708 sc->sc_wdcdev.DMA_cap = 2; 4709 } 4710 sc->sc_wdcdev.set_modes = opti_setup_channel; 4711 4712 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4713 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 4714 4715 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 4716 OPTI_REG_INIT_CONTROL); 4717 4718 interface = PCI_INTERFACE(pa->pa_class); 4719 4720 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 4721 cp = &sc->pciide_channels[channel]; 4722 if (pciide_chansetup(sc, channel, interface) == 0) 4723 continue; 4724 if (channel == 1 && 4725 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 4726 printf("%s: %s channel ignored (disabled)\n", 4727 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 4728 continue; 4729 } 4730 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 4731 pciide_pci_intr); 4732 if (cp->hw_ok == 0) 4733 continue; 4734 pciide_map_compat_intr(pa, cp, channel, interface); 4735 if (cp->hw_ok == 0) 4736 continue; 4737 opti_setup_channel(&cp->wdc_channel); 4738 } 4739 } 4740 4741 void 4742 opti_setup_channel(chp) 4743 struct channel_softc *chp; 4744 { 4745 struct ata_drive_datas *drvp; 4746 struct pciide_channel *cp = (struct pciide_channel*)chp; 4747 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4748 int drive, spd; 4749 int mode[2]; 4750 u_int8_t rv, mr; 4751 4752 /* 4753 * The `Delay' and `Address Setup Time' fields of the 4754 * Miscellaneous Register are always zero initially. 4755 */ 4756 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 4757 mr &= ~(OPTI_MISC_DELAY_MASK | 4758 OPTI_MISC_ADDR_SETUP_MASK | 4759 OPTI_MISC_INDEX_MASK); 4760 4761 /* Prime the control register before setting timing values */ 4762 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 4763 4764 /* Determine the clockrate of the PCIbus the chip is attached to */ 4765 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 4766 spd &= OPTI_STRAP_PCI_SPEED_MASK; 4767 4768 /* setup DMA if needed */ 4769 pciide_channel_dma_setup(cp); 4770 4771 for (drive = 0; drive < 2; drive++) { 4772 drvp = &chp->ch_drive[drive]; 4773 /* If no drive, skip */ 4774 if ((drvp->drive_flags & DRIVE) == 0) { 4775 mode[drive] = -1; 4776 continue; 4777 } 4778 4779 if ((drvp->drive_flags & DRIVE_DMA)) { 4780 /* 4781 * Timings will be used for both PIO and DMA, 4782 * so adjust DMA mode if needed 4783 */ 4784 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 4785 drvp->PIO_mode = drvp->DMA_mode + 2; 4786 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 4787 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 4788 drvp->PIO_mode - 2 : 0; 4789 if (drvp->DMA_mode == 0) 4790 drvp->PIO_mode = 0; 4791 4792 mode[drive] = drvp->DMA_mode + 5; 4793 } else 4794 mode[drive] = drvp->PIO_mode; 4795 4796 if (drive && mode[0] >= 0 && 4797 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 4798 /* 4799 * Can't have two drives using different values 4800 * for `Address Setup Time'. 4801 * Slow down the faster drive to compensate. 4802 */ 4803 int d = (opti_tim_as[spd][mode[0]] > 4804 opti_tim_as[spd][mode[1]]) ? 0 : 1; 4805 4806 mode[d] = mode[1-d]; 4807 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 4808 chp->ch_drive[d].DMA_mode = 0; 4809 chp->ch_drive[d].drive_flags &= ~DRIVE_DMA; 4810 } 4811 } 4812 4813 for (drive = 0; drive < 2; drive++) { 4814 int m; 4815 if ((m = mode[drive]) < 0) 4816 continue; 4817 4818 /* Set the Address Setup Time and select appropriate index */ 4819 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 4820 rv |= OPTI_MISC_INDEX(drive); 4821 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 4822 4823 /* Set the pulse width and recovery timing parameters */ 4824 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 4825 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 4826 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 4827 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 4828 4829 /* Set the Enhanced Mode register appropriately */ 4830 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 4831 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 4832 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 4833 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 4834 } 4835 4836 /* Finally, enable the timings */ 4837 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 4838 4839 pciide_print_modes(cp); 4840 } 4841 4842 #define ACARD_IS_850(sc) \ 4843 ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U) 4844 4845 void 4846 acard_chip_map(sc, pa) 4847 struct pciide_softc *sc; 4848 struct pci_attach_args *pa; 4849 { 4850 struct pciide_channel *cp; 4851 int i; 4852 pcireg_t interface; 4853 bus_size_t cmdsize, ctlsize; 4854 4855 if (pciide_chipen(sc, pa) == 0) 4856 return; 4857 4858 /* 4859 * when the chip is in native mode it identifies itself as a 4860 * 'misc mass storage'. Fake interface in this case. 4861 */ 4862 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 4863 interface = PCI_INTERFACE(pa->pa_class); 4864 } else { 4865 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 4866 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 4867 } 4868 4869 printf("%s: bus-master DMA support present", 4870 sc->sc_wdcdev.sc_dev.dv_xname); 4871 pciide_mapreg_dma(sc, pa); 4872 printf("\n"); 4873 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 4874 WDC_CAPABILITY_MODE; 4875 4876 if (sc->sc_dma_ok) { 4877 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 4878 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 4879 sc->sc_wdcdev.irqack = pciide_irqack; 4880 } 4881 sc->sc_wdcdev.PIO_cap = 4; 4882 sc->sc_wdcdev.DMA_cap = 2; 4883 sc->sc_wdcdev.UDMA_cap = ACARD_IS_850(sc) ? 2 : 4; 4884 4885 sc->sc_wdcdev.set_modes = acard_setup_channel; 4886 sc->sc_wdcdev.channels = sc->wdc_chanarray; 4887 sc->sc_wdcdev.nchannels = 2; 4888 4889 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 4890 cp = &sc->pciide_channels[i]; 4891 if (pciide_chansetup(sc, i, interface) == 0) 4892 continue; 4893 if (interface & PCIIDE_INTERFACE_PCI(i)) { 4894 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 4895 &ctlsize, pciide_pci_intr); 4896 } else { 4897 cp->hw_ok = pciide_mapregs_compat(pa, cp, i, 4898 &cmdsize, &ctlsize); 4899 } 4900 if (cp->hw_ok == 0) 4901 return; 4902 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 4903 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 4904 wdcattach(&cp->wdc_channel); 4905 acard_setup_channel(&cp->wdc_channel); 4906 } 4907 if (!ACARD_IS_850(sc)) { 4908 u_int32_t reg; 4909 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); 4910 reg &= ~ATP860_CTRL_INT; 4911 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); 4912 } 4913 } 4914 4915 void 4916 acard_setup_channel(chp) 4917 struct channel_softc *chp; 4918 { 4919 struct ata_drive_datas *drvp; 4920 struct pciide_channel *cp = (struct pciide_channel*)chp; 4921 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 4922 int channel = chp->channel; 4923 int drive; 4924 u_int32_t idetime, udma_mode; 4925 u_int32_t idedma_ctl; 4926 4927 /* setup DMA if needed */ 4928 pciide_channel_dma_setup(cp); 4929 4930 if (ACARD_IS_850(sc)) { 4931 idetime = 0; 4932 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); 4933 udma_mode &= ~ATP850_UDMA_MASK(channel); 4934 } else { 4935 idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); 4936 idetime &= ~ATP860_SETTIME_MASK(channel); 4937 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); 4938 udma_mode &= ~ATP860_UDMA_MASK(channel); 4939 4940 /* check 80 pins cable */ 4941 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) || 4942 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 4943 if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 4944 & ATP860_CTRL_80P(chp->channel)) { 4945 if (chp->ch_drive[0].UDMA_mode > 2) 4946 chp->ch_drive[0].UDMA_mode = 2; 4947 if (chp->ch_drive[1].UDMA_mode > 2) 4948 chp->ch_drive[1].UDMA_mode = 2; 4949 } 4950 } 4951 } 4952 4953 idedma_ctl = 0; 4954 4955 /* Per drive settings */ 4956 for (drive = 0; drive < 2; drive++) { 4957 drvp = &chp->ch_drive[drive]; 4958 /* If no drive, skip */ 4959 if ((drvp->drive_flags & DRIVE) == 0) 4960 continue; 4961 /* add timing values, setup DMA if needed */ 4962 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 4963 (drvp->drive_flags & DRIVE_UDMA)) { 4964 /* use Ultra/DMA */ 4965 if (ACARD_IS_850(sc)) { 4966 idetime |= ATP850_SETTIME(drive, 4967 acard_act_udma[drvp->UDMA_mode], 4968 acard_rec_udma[drvp->UDMA_mode]); 4969 udma_mode |= ATP850_UDMA_MODE(channel, drive, 4970 acard_udma_conf[drvp->UDMA_mode]); 4971 } else { 4972 idetime |= ATP860_SETTIME(channel, drive, 4973 acard_act_udma[drvp->UDMA_mode], 4974 acard_rec_udma[drvp->UDMA_mode]); 4975 udma_mode |= ATP860_UDMA_MODE(channel, drive, 4976 acard_udma_conf[drvp->UDMA_mode]); 4977 } 4978 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4979 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && 4980 (drvp->drive_flags & DRIVE_DMA)) { 4981 /* use Multiword DMA */ 4982 drvp->drive_flags &= ~DRIVE_UDMA; 4983 if (ACARD_IS_850(sc)) { 4984 idetime |= ATP850_SETTIME(drive, 4985 acard_act_dma[drvp->DMA_mode], 4986 acard_rec_dma[drvp->DMA_mode]); 4987 } else { 4988 idetime |= ATP860_SETTIME(channel, drive, 4989 acard_act_dma[drvp->DMA_mode], 4990 acard_rec_dma[drvp->DMA_mode]); 4991 } 4992 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 4993 } else { 4994 /* PIO only */ 4995 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 4996 if (ACARD_IS_850(sc)) { 4997 idetime |= ATP850_SETTIME(drive, 4998 acard_act_pio[drvp->PIO_mode], 4999 acard_rec_pio[drvp->PIO_mode]); 5000 } else { 5001 idetime |= ATP860_SETTIME(channel, drive, 5002 acard_act_pio[drvp->PIO_mode], 5003 acard_rec_pio[drvp->PIO_mode]); 5004 } 5005 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, 5006 pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 5007 | ATP8x0_CTRL_EN(channel)); 5008 } 5009 } 5010 5011 if (idedma_ctl != 0) { 5012 /* Add software bits in status register */ 5013 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5014 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl); 5015 } 5016 pciide_print_modes(cp); 5017 5018 if (ACARD_IS_850(sc)) { 5019 pci_conf_write(sc->sc_pc, sc->sc_tag, 5020 ATP850_IDETIME(channel), idetime); 5021 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); 5022 } else { 5023 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); 5024 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); 5025 } 5026 } 5027 5028 int 5029 acard_pci_intr(arg) 5030 void *arg; 5031 { 5032 struct pciide_softc *sc = arg; 5033 struct pciide_channel *cp; 5034 struct channel_softc *wdc_cp; 5035 int rv = 0; 5036 int dmastat, i, crv; 5037 5038 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 5039 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5040 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 5041 if ((dmastat & IDEDMA_CTL_INTR) == 0) 5042 continue; 5043 cp = &sc->pciide_channels[i]; 5044 wdc_cp = &cp->wdc_channel; 5045 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) { 5046 (void)wdcintr(wdc_cp); 5047 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5048 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 5049 continue; 5050 } 5051 crv = wdcintr(wdc_cp); 5052 if (crv == 0) 5053 printf("%s:%d: bogus intr\n", 5054 sc->sc_wdcdev.sc_dev.dv_xname, i); 5055 else if (crv == 1) 5056 rv = 1; 5057 else if (rv == 0) 5058 rv = crv; 5059 } 5060 return rv; 5061 } 5062 5063 static int 5064 sl82c105_bugchk(struct pci_attach_args *pa) 5065 { 5066 5067 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_WINBOND || 5068 PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_WINBOND_W83C553F_0) 5069 return (0); 5070 5071 if (PCI_REVISION(pa->pa_class) <= 0x05) 5072 return (1); 5073 5074 return (0); 5075 } 5076 5077 void 5078 sl82c105_chip_map(sc, pa) 5079 struct pciide_softc *sc; 5080 struct pci_attach_args *pa; 5081 { 5082 struct pciide_channel *cp; 5083 bus_size_t cmdsize, ctlsize; 5084 pcireg_t interface, idecr; 5085 int channel; 5086 5087 if (pciide_chipen(sc, pa) == 0) 5088 return; 5089 5090 printf("%s: bus-master DMA support present", 5091 sc->sc_wdcdev.sc_dev.dv_xname); 5092 5093 /* 5094 * Check to see if we're part of the Winbond 83c553 Southbridge. 5095 * If so, we need to disable DMA on rev. <= 5 of that chip. 5096 */ 5097 if (pci_find_device(pa, sl82c105_bugchk)) { 5098 printf(" but disabled due to 83c553 rev. <= 0x05"); 5099 sc->sc_dma_ok = 0; 5100 } else 5101 pciide_mapreg_dma(sc, pa); 5102 printf("\n"); 5103 5104 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_DATA16 | 5105 WDC_CAPABILITY_MODE; 5106 sc->sc_wdcdev.PIO_cap = 4; 5107 if (sc->sc_dma_ok) { 5108 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 5109 sc->sc_wdcdev.irqack = pciide_irqack; 5110 sc->sc_wdcdev.DMA_cap = 2; 5111 } 5112 sc->sc_wdcdev.set_modes = sl82c105_setup_channel; 5113 5114 sc->sc_wdcdev.channels = sc->wdc_chanarray; 5115 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 5116 5117 idecr = pci_conf_read(sc->sc_pc, sc->sc_tag, SYMPH_IDECSR); 5118 5119 interface = PCI_INTERFACE(pa->pa_class); 5120 5121 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 5122 cp = &sc->pciide_channels[channel]; 5123 if (pciide_chansetup(sc, channel, interface) == 0) 5124 continue; 5125 if ((channel == 0 && (idecr & IDECR_P0EN) == 0) || 5126 (channel == 1 && (idecr & IDECR_P1EN) == 0)) { 5127 printf("%s: %s channel ignored (disabled)\n", 5128 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 5129 continue; 5130 } 5131 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 5132 pciide_pci_intr); 5133 if (cp->hw_ok == 0) 5134 continue; 5135 pciide_map_compat_intr(pa, cp, channel, interface); 5136 if (cp->hw_ok == 0) 5137 continue; 5138 sl82c105_setup_channel(&cp->wdc_channel); 5139 } 5140 } 5141 5142 void 5143 sl82c105_setup_channel(chp) 5144 struct channel_softc *chp; 5145 { 5146 struct ata_drive_datas *drvp; 5147 struct pciide_channel *cp = (struct pciide_channel*)chp; 5148 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 5149 int pxdx_reg, drive; 5150 pcireg_t pxdx; 5151 5152 /* Set up DMA if needed. */ 5153 pciide_channel_dma_setup(cp); 5154 5155 for (drive = 0; drive < 2; drive++) { 5156 pxdx_reg = ((chp->channel == 0) ? SYMPH_P0D0CR 5157 : SYMPH_P1D0CR) + (drive * 4); 5158 5159 pxdx = pci_conf_read(sc->sc_pc, sc->sc_tag, pxdx_reg); 5160 5161 pxdx &= ~(PxDx_CMD_ON_MASK|PxDx_CMD_OFF_MASK); 5162 pxdx &= ~(PxDx_PWEN|PxDx_RDYEN|PxDx_RAEN); 5163 5164 drvp = &chp->ch_drive[drive]; 5165 /* If no drive, skip. */ 5166 if ((drvp->drive_flags & DRIVE) == 0) { 5167 pci_conf_write(sc->sc_pc, sc->sc_tag, pxdx_reg, pxdx); 5168 continue; 5169 } 5170 5171 if (drvp->drive_flags & DRIVE_DMA) { 5172 /* 5173 * Timings will be used for both PIO and DMA, 5174 * so adjust DMA mode if needed. 5175 */ 5176 if (drvp->PIO_mode >= 3) { 5177 if ((drvp->DMA_mode + 2) > drvp->PIO_mode) 5178 drvp->DMA_mode = drvp->PIO_mode - 2; 5179 if (drvp->DMA_mode < 1) { 5180 /* 5181 * Can't mix both PIO and DMA. 5182 * Disable DMA. 5183 */ 5184 drvp->drive_flags &= ~DRIVE_DMA; 5185 } 5186 } else { 5187 /* 5188 * Can't mix both PIO and DMA. Disable 5189 * DMA. 5190 */ 5191 drvp->drive_flags &= ~DRIVE_DMA; 5192 } 5193 } 5194 5195 if (drvp->drive_flags & DRIVE_DMA) { 5196 /* Use multi-word DMA. */ 5197 pxdx |= symph_mw_dma_times[drvp->DMA_mode].cmd_on << 5198 PxDx_CMD_ON_SHIFT; 5199 pxdx |= symph_mw_dma_times[drvp->DMA_mode].cmd_off; 5200 } else { 5201 pxdx |= symph_pio_times[drvp->PIO_mode].cmd_on << 5202 PxDx_CMD_ON_SHIFT; 5203 pxdx |= symph_pio_times[drvp->PIO_mode].cmd_off; 5204 } 5205 5206 /* XXX PxDx_PWEN? PxDx_RDYEN? PxDx_RAEN? */ 5207 5208 /* ...and set the mode for this drive. */ 5209 pci_conf_write(sc->sc_pc, sc->sc_tag, pxdx_reg, pxdx); 5210 } 5211 5212 pciide_print_modes(cp); 5213 } 5214 5215 void 5216 serverworks_chip_map(sc, pa) 5217 struct pciide_softc *sc; 5218 struct pci_attach_args *pa; 5219 { 5220 struct pciide_channel *cp; 5221 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 5222 pcitag_t pcib_tag; 5223 int channel; 5224 bus_size_t cmdsize, ctlsize; 5225 5226 if (pciide_chipen(sc, pa) == 0) 5227 return; 5228 5229 printf("%s: bus-master DMA support present", 5230 sc->sc_wdcdev.sc_dev.dv_xname); 5231 pciide_mapreg_dma(sc, pa); 5232 printf("\n"); 5233 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 5234 WDC_CAPABILITY_MODE; 5235 5236 if (sc->sc_dma_ok) { 5237 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 5238 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 5239 sc->sc_wdcdev.irqack = pciide_irqack; 5240 } 5241 sc->sc_wdcdev.PIO_cap = 4; 5242 sc->sc_wdcdev.DMA_cap = 2; 5243 switch (sc->sc_pp->ide_product) { 5244 case PCI_PRODUCT_SERVERWORKS_OSB4_IDE: 5245 sc->sc_wdcdev.UDMA_cap = 2; 5246 break; 5247 case PCI_PRODUCT_SERVERWORKS_CSB5_IDE: 5248 if (PCI_REVISION(pa->pa_class) < 0x92) 5249 sc->sc_wdcdev.UDMA_cap = 4; 5250 else 5251 sc->sc_wdcdev.UDMA_cap = 5; 5252 break; 5253 case PCI_PRODUCT_SERVERWORKS_CSB6_IDE: 5254 sc->sc_wdcdev.UDMA_cap = 5; 5255 break; 5256 } 5257 5258 sc->sc_wdcdev.set_modes = serverworks_setup_channel; 5259 sc->sc_wdcdev.channels = sc->wdc_chanarray; 5260 sc->sc_wdcdev.nchannels = 2; 5261 5262 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 5263 cp = &sc->pciide_channels[channel]; 5264 if (pciide_chansetup(sc, channel, interface) == 0) 5265 continue; 5266 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 5267 serverworks_pci_intr); 5268 if (cp->hw_ok == 0) 5269 return; 5270 pciide_map_compat_intr(pa, cp, channel, interface); 5271 if (cp->hw_ok == 0) 5272 return; 5273 serverworks_setup_channel(&cp->wdc_channel); 5274 } 5275 5276 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 5277 pci_conf_write(pa->pa_pc, pcib_tag, 0x64, 5278 (pci_conf_read(pa->pa_pc, pcib_tag, 0x64) & ~0x2000) | 0x4000); 5279 } 5280 5281 void 5282 serverworks_setup_channel(chp) 5283 struct channel_softc *chp; 5284 { 5285 struct ata_drive_datas *drvp; 5286 struct pciide_channel *cp = (struct pciide_channel*)chp; 5287 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 5288 int channel = chp->channel; 5289 int drive, unit; 5290 u_int32_t pio_time, dma_time, pio_mode, udma_mode; 5291 u_int32_t idedma_ctl; 5292 static const u_int8_t pio_modes[5] = {0x5d, 0x47, 0x34, 0x22, 0x20}; 5293 static const u_int8_t dma_modes[3] = {0x77, 0x21, 0x20}; 5294 5295 /* setup DMA if needed */ 5296 pciide_channel_dma_setup(cp); 5297 5298 pio_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x40); 5299 dma_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x44); 5300 pio_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x48); 5301 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54); 5302 5303 pio_time &= ~(0xffff << (16 * channel)); 5304 dma_time &= ~(0xffff << (16 * channel)); 5305 pio_mode &= ~(0xff << (8 * channel + 16)); 5306 udma_mode &= ~(0xff << (8 * channel + 16)); 5307 udma_mode &= ~(3 << (2 * channel)); 5308 5309 idedma_ctl = 0; 5310 5311 /* Per drive settings */ 5312 for (drive = 0; drive < 2; drive++) { 5313 drvp = &chp->ch_drive[drive]; 5314 /* If no drive, skip */ 5315 if ((drvp->drive_flags & DRIVE) == 0) 5316 continue; 5317 unit = drive + 2 * channel; 5318 /* add timing values, setup DMA if needed */ 5319 pio_time |= pio_modes[drvp->PIO_mode] << (8 * (unit^1)); 5320 pio_mode |= drvp->PIO_mode << (4 * unit + 16); 5321 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 5322 (drvp->drive_flags & DRIVE_UDMA)) { 5323 /* use Ultra/DMA, check for 80-pin cable */ 5324 if (drvp->UDMA_mode > 2 && 5325 (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_SUBSYS_ID_REG)) & (1 << (14 + channel))) == 0) 5326 drvp->UDMA_mode = 2; 5327 dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1)); 5328 udma_mode |= drvp->UDMA_mode << (4 * unit + 16); 5329 udma_mode |= 1 << unit; 5330 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 5331 } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && 5332 (drvp->drive_flags & DRIVE_DMA)) { 5333 /* use Multiword DMA */ 5334 drvp->drive_flags &= ~DRIVE_UDMA; 5335 dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1)); 5336 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 5337 } else { 5338 /* PIO only */ 5339 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 5340 } 5341 } 5342 5343 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x40, pio_time); 5344 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x44, dma_time); 5345 if (sc->sc_pp->ide_product != PCI_PRODUCT_SERVERWORKS_OSB4_IDE) 5346 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x48, pio_mode); 5347 pci_conf_write(sc->sc_pc, sc->sc_tag, 0x54, udma_mode); 5348 5349 if (idedma_ctl != 0) { 5350 /* Add software bits in status register */ 5351 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5352 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, idedma_ctl); 5353 } 5354 pciide_print_modes(cp); 5355 } 5356 5357 int 5358 serverworks_pci_intr(arg) 5359 void *arg; 5360 { 5361 struct pciide_softc *sc = arg; 5362 struct pciide_channel *cp; 5363 struct channel_softc *wdc_cp; 5364 int rv = 0; 5365 int dmastat, i, crv; 5366 5367 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 5368 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5369 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 5370 if ((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != 5371 IDEDMA_CTL_INTR) 5372 continue; 5373 cp = &sc->pciide_channels[i]; 5374 wdc_cp = &cp->wdc_channel; 5375 crv = wdcintr(wdc_cp); 5376 if (crv == 0) { 5377 printf("%s:%d: bogus intr\n", 5378 sc->sc_wdcdev.sc_dev.dv_xname, i); 5379 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 5380 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 5381 } else 5382 rv = 1; 5383 } 5384 return rv; 5385 } 5386 5387 void 5388 artisea_chip_map(sc, pa) 5389 struct pciide_softc *sc; 5390 struct pci_attach_args *pa; 5391 { 5392 struct pciide_channel *cp; 5393 bus_size_t cmdsize, ctlsize; 5394 pcireg_t interface; 5395 int channel; 5396 5397 if (pciide_chipen(sc, pa) == 0) 5398 return; 5399 5400 printf("%s: bus-master DMA support resent", 5401 sc->sc_wdcdev.sc_dev.dv_xname); 5402 #ifndef PCIIDE_I31244_ENABLEDMA 5403 if (PCI_REVISION(pa->pa_class) == 0) { 5404 printf(" but disabled due to rev. 0"); 5405 sc->sc_dma_ok = 0; 5406 } else 5407 #endif 5408 pciide_mapreg_dma(sc, pa); 5409 printf("\n"); 5410 5411 /* 5412 * XXX Configure LEDs to show activity. 5413 */ 5414 5415 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 5416 WDC_CAPABILITY_MODE; 5417 sc->sc_wdcdev.PIO_cap = 4; 5418 if (sc->sc_dma_ok) { 5419 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 5420 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 5421 sc->sc_wdcdev.irqack = pciide_irqack; 5422 sc->sc_wdcdev.DMA_cap = 2; 5423 sc->sc_wdcdev.UDMA_cap = 6; 5424 } 5425 sc->sc_wdcdev.set_modes = sata_setup_channel; 5426 5427 sc->sc_wdcdev.channels = sc->wdc_chanarray; 5428 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 5429 5430 interface = PCI_INTERFACE(pa->pa_class); 5431 5432 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 5433 cp = &sc->pciide_channels[channel]; 5434 if (pciide_chansetup(sc, channel, interface) == 0) 5435 continue; 5436 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 5437 pciide_pci_intr); 5438 if (cp->hw_ok == 0) 5439 continue; 5440 pciide_map_compat_intr(pa, cp, channel, interface); 5441 sata_setup_channel(&cp->wdc_channel); 5442 } 5443 } 5444
Indexes created Thu Oct 02 10:09:58 GMT 2025