pciide.c revision 1.68.2.25
1 /* $NetBSD: pciide.c,v 1.68.2.25 2001/07/02 13:47:25 jhawk Exp $ */ 2 3 4 /* 5 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 37 /* 38 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by Christopher G. Demetriou 51 * for the NetBSD Project. 52 * 4. The name of the author may not be used to endorse or promote products 53 * derived from this software without specific prior written permission 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 /* 68 * PCI IDE controller driver. 69 * 70 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 71 * sys/dev/pci/ppb.c, revision 1.16). 72 * 73 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and 74 * "Programming Interface for Bus Master IDE Controller, Revision 1.0 75 * 5/16/94" from the PCI SIG. 76 * 77 */ 78 79 #ifndef WDCDEBUG 80 #define WDCDEBUG 81 #endif 82 83 #define DEBUG_DMA 0x01 84 #define DEBUG_XFERS 0x02 85 #define DEBUG_FUNCS 0x08 86 #define DEBUG_PROBE 0x10 87 #ifdef WDCDEBUG 88 int wdcdebug_pciide_mask = 0; 89 #define WDCDEBUG_PRINT(args, level) \ 90 if (wdcdebug_pciide_mask & (level)) printf args 91 #else 92 #define WDCDEBUG_PRINT(args, level) 93 #endif 94 #include <sys/param.h> 95 #include <sys/systm.h> 96 #include <sys/device.h> 97 #include <sys/malloc.h> 98 99 #include <machine/endian.h> 100 101 #include <vm/vm.h> 102 #include <vm/vm_param.h> 103 #include <vm/vm_kern.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/cy82c693var.h> 121 122 #include "opt_pciide.h" 123 124 /* inlines for reading/writing 8-bit PCI registers */ 125 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 126 int)); 127 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 128 int, u_int8_t)); 129 130 static __inline u_int8_t 131 pciide_pci_read(pc, pa, reg) 132 pci_chipset_tag_t pc; 133 pcitag_t pa; 134 int reg; 135 { 136 137 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 138 ((reg & 0x03) * 8) & 0xff); 139 } 140 141 static __inline void 142 pciide_pci_write(pc, pa, reg, val) 143 pci_chipset_tag_t pc; 144 pcitag_t pa; 145 int reg; 146 u_int8_t val; 147 { 148 pcireg_t pcival; 149 150 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 151 pcival &= ~(0xff << ((reg & 0x03) * 8)); 152 pcival |= (val << ((reg & 0x03) * 8)); 153 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 154 } 155 156 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 157 158 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 159 void piix_setup_channel __P((struct channel_softc*)); 160 void piix3_4_setup_channel __P((struct channel_softc*)); 161 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 162 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 163 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 164 165 void amd7x6_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 166 void amd7x6_setup_channel __P((struct channel_softc*)); 167 168 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 169 void apollo_setup_channel __P((struct channel_softc*)); 170 171 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 172 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 173 void cmd0643_9_setup_channel __P((struct channel_softc*)); 174 void cmd_channel_map __P((struct pci_attach_args *, 175 struct pciide_softc *, int)); 176 int cmd_pci_intr __P((void *)); 177 void cmd646_9_irqack __P((struct channel_softc *)); 178 179 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 180 void cy693_setup_channel __P((struct channel_softc*)); 181 182 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 183 void sis_setup_channel __P((struct channel_softc*)); 184 185 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 186 void acer_setup_channel __P((struct channel_softc*)); 187 int acer_pci_intr __P((void *)); 188 189 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 190 void pdc202xx_setup_channel __P((struct channel_softc*)); 191 int pdc202xx_pci_intr __P((void *)); 192 int pdc20265_pci_intr __P((void *)); 193 194 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 195 void opti_setup_channel __P((struct channel_softc*)); 196 197 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 198 void hpt_setup_channel __P((struct channel_softc*)); 199 int hpt_pci_intr __P((void *)); 200 201 void pciide_channel_dma_setup __P((struct pciide_channel *)); 202 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 203 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 204 void pciide_dma_start __P((void*, int, int)); 205 int pciide_dma_finish __P((void*, int, int, int)); 206 void pciide_irqack __P((struct channel_softc *)); 207 void pciide_print_modes __P((struct pciide_channel *)); 208 209 struct pciide_product_desc { 210 u_int32_t ide_product; 211 int ide_flags; 212 const char *ide_name; 213 /* map and setup chip, probe drives */ 214 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 215 }; 216 217 /* Flags for ide_flags */ 218 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 219 220 /* Default product description for devices not known from this controller */ 221 const struct pciide_product_desc default_product_desc = { 222 0, 223 0, 224 "Generic PCI IDE controller", 225 default_chip_map, 226 }; 227 228 const struct pciide_product_desc pciide_intel_products[] = { 229 { PCI_PRODUCT_INTEL_82092AA, 230 0, 231 "Intel 82092AA IDE controller", 232 default_chip_map, 233 }, 234 { PCI_PRODUCT_INTEL_82371FB_IDE, 235 0, 236 "Intel 82371FB IDE controller (PIIX)", 237 piix_chip_map, 238 }, 239 { PCI_PRODUCT_INTEL_82371SB_IDE, 240 0, 241 "Intel 82371SB IDE Interface (PIIX3)", 242 piix_chip_map, 243 }, 244 { PCI_PRODUCT_INTEL_82371AB_IDE, 245 0, 246 "Intel 82371AB IDE controller (PIIX4)", 247 piix_chip_map, 248 }, 249 { PCI_PRODUCT_INTEL_82801AA_IDE, 250 0, 251 "Intel 82801AA IDE Controller (ICH)", 252 piix_chip_map, 253 }, 254 { PCI_PRODUCT_INTEL_82801AB_IDE, 255 0, 256 "Intel 82801AB IDE Controller (ICH0)", 257 piix_chip_map, 258 }, 259 { PCI_PRODUCT_INTEL_82801BA_IDE, 260 0, 261 "Intel 82801BA IDE Controller (ICH2)", 262 piix_chip_map, 263 }, 264 { PCI_PRODUCT_INTEL_82801BAM_IDE, 265 0, 266 "Intel 82801BAM IDE Controller (ICH2)", 267 piix_chip_map, 268 }, 269 { 0, 270 0, 271 NULL, 272 NULL 273 } 274 }; 275 276 const struct pciide_product_desc pciide_amd_products[] = { 277 { PCI_PRODUCT_AMD_PBC756_IDE, 278 0, 279 "Advanced Micro Devices AMD756 IDE Controller", 280 amd7x6_chip_map 281 }, 282 { PCI_PRODUCT_AMD_PBC766_IDE, 283 0, 284 "Advanced Micro Devices AMD766 IDE Controller", 285 amd7x6_chip_map 286 }, 287 { 0, 288 0, 289 NULL, 290 NULL 291 } 292 }; 293 294 const struct pciide_product_desc pciide_cmd_products[] = { 295 { PCI_PRODUCT_CMDTECH_640, 296 0, 297 "CMD Technology PCI0640", 298 cmd_chip_map 299 }, 300 { PCI_PRODUCT_CMDTECH_643, 301 0, 302 "CMD Technology PCI0643", 303 cmd0643_9_chip_map, 304 }, 305 { PCI_PRODUCT_CMDTECH_646, 306 0, 307 "CMD Technology PCI0646", 308 cmd0643_9_chip_map, 309 }, 310 { PCI_PRODUCT_CMDTECH_648, 311 IDE_PCI_CLASS_OVERRIDE, 312 "CMD Technology PCI0648", 313 cmd0643_9_chip_map, 314 }, 315 { PCI_PRODUCT_CMDTECH_649, 316 IDE_PCI_CLASS_OVERRIDE, 317 "CMD Technology PCI0649", 318 cmd0643_9_chip_map, 319 }, 320 { 0, 321 0, 322 NULL, 323 NULL 324 } 325 }; 326 327 const struct pciide_product_desc pciide_via_products[] = { 328 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 329 0, 330 NULL, 331 apollo_chip_map, 332 }, 333 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 334 0, 335 NULL, 336 apollo_chip_map, 337 }, 338 { 0, 339 0, 340 NULL, 341 NULL 342 } 343 }; 344 345 const struct pciide_product_desc pciide_cypress_products[] = { 346 { PCI_PRODUCT_CONTAQ_82C693, 347 0, 348 "Cypress 82C693 IDE Controller", 349 cy693_chip_map, 350 }, 351 { 0, 352 0, 353 NULL, 354 NULL 355 } 356 }; 357 358 const struct pciide_product_desc pciide_sis_products[] = { 359 { PCI_PRODUCT_SIS_5597_IDE, 360 0, 361 "Silicon Integrated System 5597/5598 IDE controller", 362 sis_chip_map, 363 }, 364 { 0, 365 0, 366 NULL, 367 NULL 368 } 369 }; 370 371 const struct pciide_product_desc pciide_acer_products[] = { 372 { PCI_PRODUCT_ALI_M5229, 373 0, 374 "Acer Labs M5229 UDMA IDE Controller", 375 acer_chip_map, 376 }, 377 { 0, 378 0, 379 NULL, 380 NULL 381 } 382 }; 383 384 const struct pciide_product_desc pciide_promise_products[] = { 385 { PCI_PRODUCT_PROMISE_ULTRA33, 386 IDE_PCI_CLASS_OVERRIDE, 387 "Promise Ultra33/ATA Bus Master IDE Accelerator", 388 pdc202xx_chip_map, 389 }, 390 { PCI_PRODUCT_PROMISE_ULTRA66, 391 IDE_PCI_CLASS_OVERRIDE, 392 "Promise Ultra66/ATA Bus Master IDE Accelerator", 393 pdc202xx_chip_map, 394 }, 395 { PCI_PRODUCT_PROMISE_ULTRA100, 396 IDE_PCI_CLASS_OVERRIDE, 397 "Promise Ultra100/ATA Bus Master IDE Accelerator", 398 pdc202xx_chip_map, 399 }, 400 { PCI_PRODUCT_PROMISE_ULTRA100X, 401 IDE_PCI_CLASS_OVERRIDE, 402 "Promise Ultra100/ATA Bus Master IDE Accelerator", 403 pdc202xx_chip_map, 404 }, 405 { 0, 406 0, 407 NULL, 408 NULL 409 } 410 }; 411 412 const struct pciide_product_desc pciide_opti_products[] = { 413 { PCI_PRODUCT_OPTI_82C621, 414 0, 415 "OPTi 82c621 PCI IDE controller", 416 opti_chip_map, 417 }, 418 { PCI_PRODUCT_OPTI_82C568, 419 0, 420 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 421 opti_chip_map, 422 }, 423 { PCI_PRODUCT_OPTI_82D568, 424 0, 425 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 426 opti_chip_map, 427 }, 428 { 0, 429 0, 430 NULL, 431 NULL 432 } 433 }; 434 435 const struct pciide_product_desc pciide_triones_products[] = { 436 { PCI_PRODUCT_TRIONES_HPT366, 437 IDE_PCI_CLASS_OVERRIDE, 438 NULL, 439 hpt_chip_map, 440 }, 441 { 0, 442 0, 443 NULL, 444 NULL 445 } 446 }; 447 448 struct pciide_vendor_desc { 449 u_int32_t ide_vendor; 450 const struct pciide_product_desc *ide_products; 451 }; 452 453 const struct pciide_vendor_desc pciide_vendors[] = { 454 { PCI_VENDOR_INTEL, pciide_intel_products }, 455 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 456 { PCI_VENDOR_VIATECH, pciide_via_products }, 457 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 458 { PCI_VENDOR_SIS, pciide_sis_products }, 459 { PCI_VENDOR_ALI, pciide_acer_products }, 460 { PCI_VENDOR_PROMISE, pciide_promise_products }, 461 { PCI_VENDOR_AMD, pciide_amd_products }, 462 { PCI_VENDOR_OPTI, pciide_opti_products }, 463 { PCI_VENDOR_TRIONES, pciide_triones_products }, 464 { 0, NULL } 465 }; 466 467 /* options passed via the 'flags' config keyword */ 468 #define PCIIDE_OPTIONS_DMA 0x01 469 470 int pciide_match __P((struct device *, struct cfdata *, void *)); 471 void pciide_attach __P((struct device *, struct device *, void *)); 472 473 struct cfattach pciide_ca = { 474 sizeof(struct pciide_softc), pciide_match, pciide_attach 475 }; 476 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 477 int pciide_mapregs_compat __P(( struct pci_attach_args *, 478 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 479 int pciide_mapregs_native __P((struct pci_attach_args *, 480 struct pciide_channel *, bus_size_t *, bus_size_t *, 481 int (*pci_intr) __P((void *)))); 482 void pciide_mapreg_dma __P((struct pciide_softc *, 483 struct pci_attach_args *)); 484 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 485 void pciide_mapchan __P((struct pci_attach_args *, 486 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 487 int (*pci_intr) __P((void *)))); 488 int pciide_chan_candisable __P((struct pciide_channel *)); 489 void pciide_map_compat_intr __P(( struct pci_attach_args *, 490 struct pciide_channel *, int, int)); 491 int pciide_print __P((void *, const char *pnp)); 492 int pciide_compat_intr __P((void *)); 493 int pciide_pci_intr __P((void *)); 494 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 495 496 const struct pciide_product_desc * 497 pciide_lookup_product(id) 498 u_int32_t id; 499 { 500 const struct pciide_product_desc *pp; 501 const struct pciide_vendor_desc *vp; 502 503 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 504 if (PCI_VENDOR(id) == vp->ide_vendor) 505 break; 506 507 if ((pp = vp->ide_products) == NULL) 508 return NULL; 509 510 for (; pp->chip_map != NULL; pp++) 511 if (PCI_PRODUCT(id) == pp->ide_product) 512 break; 513 514 if (pp->chip_map == NULL) 515 return NULL; 516 return pp; 517 } 518 519 int 520 pciide_match(parent, match, aux) 521 struct device *parent; 522 struct cfdata *match; 523 void *aux; 524 { 525 struct pci_attach_args *pa = aux; 526 const struct pciide_product_desc *pp; 527 528 /* 529 * Check the ID register to see that it's a PCI IDE controller. 530 * If it is, we assume that we can deal with it; it _should_ 531 * work in a standardized way... 532 */ 533 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 534 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 535 return (1); 536 } 537 538 /* 539 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 540 * controllers. Let see if we can deal with it anyway. 541 */ 542 pp = pciide_lookup_product(pa->pa_id); 543 if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 544 return (1); 545 } 546 547 return (0); 548 } 549 550 void 551 pciide_attach(parent, self, aux) 552 struct device *parent, *self; 553 void *aux; 554 { 555 struct pci_attach_args *pa = aux; 556 pci_chipset_tag_t pc = pa->pa_pc; 557 pcitag_t tag = pa->pa_tag; 558 struct pciide_softc *sc = (struct pciide_softc *)self; 559 pcireg_t csr; 560 char devinfo[256]; 561 const char *displaydev; 562 563 sc->sc_pp = pciide_lookup_product(pa->pa_id); 564 if (sc->sc_pp == NULL) { 565 sc->sc_pp = &default_product_desc; 566 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 567 displaydev = devinfo; 568 } else 569 displaydev = sc->sc_pp->ide_name; 570 571 /* if displaydev == NULL, printf is done in chip-specific map */ 572 if (displaydev) 573 printf(": %s (rev. 0x%02x)\n", displaydev, 574 PCI_REVISION(pa->pa_class)); 575 576 sc->sc_pc = pa->pa_pc; 577 sc->sc_tag = pa->pa_tag; 578 #ifdef WDCDEBUG 579 if (wdcdebug_pciide_mask & DEBUG_PROBE) 580 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 581 #endif 582 sc->sc_pp->chip_map(sc, pa); 583 584 if (sc->sc_dma_ok) { 585 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 586 csr |= PCI_COMMAND_MASTER_ENABLE; 587 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 588 } 589 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 590 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 591 } 592 593 /* tell wether the chip is enabled or not */ 594 int 595 pciide_chipen(sc, pa) 596 struct pciide_softc *sc; 597 struct pci_attach_args *pa; 598 { 599 pcireg_t csr; 600 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 601 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 602 PCI_COMMAND_STATUS_REG); 603 printf("%s: device disabled (at %s)\n", 604 sc->sc_wdcdev.sc_dev.dv_xname, 605 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 606 "device" : "bridge"); 607 return 0; 608 } 609 return 1; 610 } 611 612 int 613 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 614 struct pci_attach_args *pa; 615 struct pciide_channel *cp; 616 int compatchan; 617 bus_size_t *cmdsizep, *ctlsizep; 618 { 619 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 620 struct channel_softc *wdc_cp = &cp->wdc_channel; 621 622 cp->compat = 1; 623 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 624 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 625 626 wdc_cp->cmd_iot = pa->pa_iot; 627 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 628 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 629 printf("%s: couldn't map %s channel cmd regs\n", 630 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 631 return (0); 632 } 633 634 wdc_cp->ctl_iot = pa->pa_iot; 635 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 636 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 637 printf("%s: couldn't map %s channel ctl regs\n", 638 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 639 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 640 PCIIDE_COMPAT_CMD_SIZE); 641 return (0); 642 } 643 644 return (1); 645 } 646 647 int 648 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 649 struct pci_attach_args * pa; 650 struct pciide_channel *cp; 651 bus_size_t *cmdsizep, *ctlsizep; 652 int (*pci_intr) __P((void *)); 653 { 654 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 655 struct channel_softc *wdc_cp = &cp->wdc_channel; 656 const char *intrstr; 657 pci_intr_handle_t intrhandle; 658 659 cp->compat = 0; 660 661 if (sc->sc_pci_ih == NULL) { 662 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 663 pa->pa_intrline, &intrhandle) != 0) { 664 printf("%s: couldn't map native-PCI interrupt\n", 665 sc->sc_wdcdev.sc_dev.dv_xname); 666 return 0; 667 } 668 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 669 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 670 intrhandle, IPL_BIO, pci_intr, sc); 671 if (sc->sc_pci_ih != NULL) { 672 printf("%s: using %s for native-PCI interrupt\n", 673 sc->sc_wdcdev.sc_dev.dv_xname, 674 intrstr ? intrstr : "unknown interrupt"); 675 } else { 676 printf("%s: couldn't establish native-PCI interrupt", 677 sc->sc_wdcdev.sc_dev.dv_xname); 678 if (intrstr != NULL) 679 printf(" at %s", intrstr); 680 printf("\n"); 681 return 0; 682 } 683 } 684 cp->ih = sc->sc_pci_ih; 685 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 686 PCI_MAPREG_TYPE_IO, 0, 687 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 688 printf("%s: couldn't map %s channel cmd regs\n", 689 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 690 return 0; 691 } 692 693 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 694 PCI_MAPREG_TYPE_IO, 0, 695 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) { 696 printf("%s: couldn't map %s channel ctl regs\n", 697 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 698 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 699 return 0; 700 } 701 /* 702 * In native mode, 4 bytes of I/O space are mapped for the control 703 * register, the control register is at offset 2. Pass the generic 704 * code a handle for only one byte at the rigth offset. 705 */ 706 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, 707 &wdc_cp->ctl_ioh) != 0) { 708 printf("%s: unable to subregion %s channel ctl regs\n", 709 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 710 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 711 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); 712 return 0; 713 } 714 return (1); 715 } 716 717 void 718 pciide_mapreg_dma(sc, pa) 719 struct pciide_softc *sc; 720 struct pci_attach_args *pa; 721 { 722 pcireg_t maptype; 723 724 /* 725 * Map DMA registers 726 * 727 * Note that sc_dma_ok is the right variable to test to see if 728 * DMA can be done. If the interface doesn't support DMA, 729 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 730 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 731 * non-zero if the interface supports DMA and the registers 732 * could be mapped. 733 * 734 * XXX Note that despite the fact that the Bus Master IDE specs 735 * XXX say that "The bus master IDE function uses 16 bytes of IO 736 * XXX space," some controllers (at least the United 737 * XXX Microelectronics UM8886BF) place it in memory space. 738 */ 739 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 740 PCIIDE_REG_BUS_MASTER_DMA); 741 742 switch (maptype) { 743 case PCI_MAPREG_TYPE_IO: 744 case PCI_MAPREG_MEM_TYPE_32BIT: 745 sc->sc_dma_ok = (pci_mapreg_map(pa, 746 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 747 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 748 sc->sc_dmat = pa->pa_dmat; 749 if (sc->sc_dma_ok == 0) { 750 printf(", but unused (couldn't map registers)"); 751 } else { 752 sc->sc_wdcdev.dma_arg = sc; 753 sc->sc_wdcdev.dma_init = pciide_dma_init; 754 sc->sc_wdcdev.dma_start = pciide_dma_start; 755 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 756 } 757 break; 758 759 default: 760 sc->sc_dma_ok = 0; 761 printf(", but unsupported register maptype (0x%x)", maptype); 762 } 763 } 764 765 int 766 pciide_compat_intr(arg) 767 void *arg; 768 { 769 struct pciide_channel *cp = arg; 770 771 #ifdef DIAGNOSTIC 772 /* should only be called for a compat channel */ 773 if (cp->compat == 0) 774 panic("pciide compat intr called for non-compat chan %p\n", cp); 775 #endif 776 return (wdcintr(&cp->wdc_channel)); 777 } 778 779 int 780 pciide_pci_intr(arg) 781 void *arg; 782 { 783 struct pciide_softc *sc = arg; 784 struct pciide_channel *cp; 785 struct channel_softc *wdc_cp; 786 int i, rv, crv; 787 788 rv = 0; 789 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 790 cp = &sc->pciide_channels[i]; 791 wdc_cp = &cp->wdc_channel; 792 793 /* If a compat channel skip. */ 794 if (cp->compat) 795 continue; 796 /* if this channel not waiting for intr, skip */ 797 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 798 continue; 799 800 crv = wdcintr(wdc_cp); 801 if (crv == 0) 802 ; /* leave rv alone */ 803 else if (crv == 1) 804 rv = 1; /* claim the intr */ 805 else if (rv == 0) /* crv should be -1 in this case */ 806 rv = crv; /* if we've done no better, take it */ 807 } 808 return (rv); 809 } 810 811 void 812 pciide_channel_dma_setup(cp) 813 struct pciide_channel *cp; 814 { 815 int drive; 816 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 817 struct ata_drive_datas *drvp; 818 819 for (drive = 0; drive < 2; drive++) { 820 drvp = &cp->wdc_channel.ch_drive[drive]; 821 /* If no drive, skip */ 822 if ((drvp->drive_flags & DRIVE) == 0) 823 continue; 824 /* setup DMA if needed */ 825 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 826 (drvp->drive_flags & DRIVE_UDMA) == 0) || 827 sc->sc_dma_ok == 0) { 828 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 829 continue; 830 } 831 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 832 != 0) { 833 /* Abort DMA setup */ 834 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 835 continue; 836 } 837 } 838 } 839 840 int 841 pciide_dma_table_setup(sc, channel, drive) 842 struct pciide_softc *sc; 843 int channel, drive; 844 { 845 bus_dma_segment_t seg; 846 int error, rseg; 847 const bus_size_t dma_table_size = 848 sizeof(struct idedma_table) * NIDEDMA_TABLES; 849 struct pciide_dma_maps *dma_maps = 850 &sc->pciide_channels[channel].dma_maps[drive]; 851 852 /* If table was already allocated, just return */ 853 if (dma_maps->dma_table) 854 return 0; 855 856 /* Allocate memory for the DMA tables and map it */ 857 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 858 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 859 BUS_DMA_NOWAIT)) != 0) { 860 printf("%s:%d: unable to allocate table DMA for " 861 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 862 channel, drive, error); 863 return error; 864 } 865 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 866 dma_table_size, 867 (caddr_t *)&dma_maps->dma_table, 868 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 869 printf("%s:%d: unable to map table DMA for" 870 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 871 channel, drive, error); 872 return error; 873 } 874 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, " 875 "phy 0x%lx\n", dma_maps->dma_table, dma_table_size, 876 seg.ds_addr), DEBUG_PROBE); 877 878 /* Create and load table DMA map for this disk */ 879 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 880 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 881 &dma_maps->dmamap_table)) != 0) { 882 printf("%s:%d: unable to create table DMA map for " 883 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 884 channel, drive, error); 885 return error; 886 } 887 if ((error = bus_dmamap_load(sc->sc_dmat, 888 dma_maps->dmamap_table, 889 dma_maps->dma_table, 890 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 891 printf("%s:%d: unable to load table DMA map for " 892 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 893 channel, drive, error); 894 return error; 895 } 896 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 897 dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE); 898 /* Create a xfer DMA map for this drive */ 899 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 900 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN, 901 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 902 &dma_maps->dmamap_xfer)) != 0) { 903 printf("%s:%d: unable to create xfer DMA map for " 904 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 905 channel, drive, error); 906 return error; 907 } 908 return 0; 909 } 910 911 int 912 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 913 void *v; 914 int channel, drive; 915 void *databuf; 916 size_t datalen; 917 int flags; 918 { 919 struct pciide_softc *sc = v; 920 int error, seg; 921 struct pciide_dma_maps *dma_maps = 922 &sc->pciide_channels[channel].dma_maps[drive]; 923 924 error = bus_dmamap_load(sc->sc_dmat, 925 dma_maps->dmamap_xfer, 926 databuf, datalen, NULL, BUS_DMA_NOWAIT); 927 if (error) { 928 printf("%s:%d: unable to load xfer DMA map for" 929 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 930 channel, drive, error); 931 return error; 932 } 933 934 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 935 dma_maps->dmamap_xfer->dm_mapsize, 936 (flags & WDC_DMA_READ) ? 937 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 938 939 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 940 #ifdef DIAGNOSTIC 941 /* A segment must not cross a 64k boundary */ 942 { 943 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 944 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 945 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 946 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 947 printf("pciide_dma: segment %d physical addr 0x%lx" 948 " len 0x%lx not properly aligned\n", 949 seg, phys, len); 950 panic("pciide_dma: buf align"); 951 } 952 } 953 #endif 954 dma_maps->dma_table[seg].base_addr = 955 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 956 dma_maps->dma_table[seg].byte_count = 957 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 958 IDEDMA_BYTE_COUNT_MASK); 959 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 960 seg, le32toh(dma_maps->dma_table[seg].byte_count), 961 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 962 963 } 964 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 965 htole32(IDEDMA_BYTE_COUNT_EOT); 966 967 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 968 dma_maps->dmamap_table->dm_mapsize, 969 BUS_DMASYNC_PREWRITE); 970 971 /* Maps are ready. Start DMA function */ 972 #ifdef DIAGNOSTIC 973 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 974 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 975 dma_maps->dmamap_table->dm_segs[0].ds_addr); 976 panic("pciide_dma_init: table align"); 977 } 978 #endif 979 980 /* Clear status bits */ 981 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 982 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 983 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 984 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 985 /* Write table addr */ 986 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 987 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 988 dma_maps->dmamap_table->dm_segs[0].ds_addr); 989 /* set read/write */ 990 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 991 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 992 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 993 /* remember flags */ 994 dma_maps->dma_flags = flags; 995 return 0; 996 } 997 998 void 999 pciide_dma_start(v, channel, drive) 1000 void *v; 1001 int channel, drive; 1002 { 1003 struct pciide_softc *sc = v; 1004 1005 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 1006 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1007 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1008 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1009 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 1010 } 1011 1012 int 1013 pciide_dma_finish(v, channel, drive, force) 1014 void *v; 1015 int channel, drive; 1016 int force; 1017 { 1018 struct pciide_softc *sc = v; 1019 u_int8_t status; 1020 int error = 0; 1021 struct pciide_dma_maps *dma_maps = 1022 &sc->pciide_channels[channel].dma_maps[drive]; 1023 1024 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1025 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 1026 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 1027 DEBUG_XFERS); 1028 1029 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 1030 return WDC_DMAST_NOIRQ; 1031 1032 /* stop DMA channel */ 1033 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1034 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1035 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1036 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1037 1038 /* Unload the map of the data buffer */ 1039 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1040 dma_maps->dmamap_xfer->dm_mapsize, 1041 (dma_maps->dma_flags & WDC_DMA_READ) ? 1042 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1043 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1044 1045 if ((status & IDEDMA_CTL_ERR) != 0) { 1046 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1047 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1048 error |= WDC_DMAST_ERR; 1049 } 1050 1051 if ((status & IDEDMA_CTL_INTR) == 0) { 1052 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1053 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1054 drive, status); 1055 error |= WDC_DMAST_NOIRQ; 1056 } 1057 1058 if ((status & IDEDMA_CTL_ACT) != 0) { 1059 /* data underrun, may be a valid condition for ATAPI */ 1060 error |= WDC_DMAST_UNDER; 1061 } 1062 return error; 1063 } 1064 1065 void 1066 pciide_irqack(chp) 1067 struct channel_softc *chp; 1068 { 1069 struct pciide_channel *cp = (struct pciide_channel*)chp; 1070 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1071 1072 /* clear status bits in IDE DMA registers */ 1073 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1074 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1075 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1076 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1077 } 1078 1079 /* some common code used by several chip_map */ 1080 int 1081 pciide_chansetup(sc, channel, interface) 1082 struct pciide_softc *sc; 1083 int channel; 1084 pcireg_t interface; 1085 { 1086 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1087 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1088 cp->name = PCIIDE_CHANNEL_NAME(channel); 1089 cp->wdc_channel.channel = channel; 1090 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1091 cp->wdc_channel.ch_queue = 1092 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1093 if (cp->wdc_channel.ch_queue == NULL) { 1094 printf("%s %s channel: " 1095 "can't allocate memory for command queue", 1096 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1097 return 0; 1098 } 1099 printf("%s: %s channel %s to %s mode\n", 1100 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1101 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1102 "configured" : "wired", 1103 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1104 "native-PCI" : "compatibility"); 1105 return 1; 1106 } 1107 1108 /* some common code used by several chip channel_map */ 1109 void 1110 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1111 struct pci_attach_args *pa; 1112 struct pciide_channel *cp; 1113 pcireg_t interface; 1114 bus_size_t *cmdsizep, *ctlsizep; 1115 int (*pci_intr) __P((void *)); 1116 { 1117 struct channel_softc *wdc_cp = &cp->wdc_channel; 1118 1119 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1120 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1121 pci_intr); 1122 else 1123 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1124 wdc_cp->channel, cmdsizep, ctlsizep); 1125 1126 if (cp->hw_ok == 0) 1127 return; 1128 wdc_cp->data32iot = wdc_cp->cmd_iot; 1129 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1130 wdcattach(wdc_cp); 1131 } 1132 1133 /* 1134 * Generic code to call to know if a channel can be disabled. Return 1 1135 * if channel can be disabled, 0 if not 1136 */ 1137 int 1138 pciide_chan_candisable(cp) 1139 struct pciide_channel *cp; 1140 { 1141 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1142 struct channel_softc *wdc_cp = &cp->wdc_channel; 1143 1144 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1145 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1146 printf("%s: disabling %s channel (no drives)\n", 1147 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1148 cp->hw_ok = 0; 1149 return 1; 1150 } 1151 return 0; 1152 } 1153 1154 /* 1155 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1156 * Set hw_ok=0 on failure 1157 */ 1158 void 1159 pciide_map_compat_intr(pa, cp, compatchan, interface) 1160 struct pci_attach_args *pa; 1161 struct pciide_channel *cp; 1162 int compatchan, interface; 1163 { 1164 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1165 struct channel_softc *wdc_cp = &cp->wdc_channel; 1166 1167 if (cp->hw_ok == 0) 1168 return; 1169 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1170 return; 1171 1172 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1173 pa, compatchan, pciide_compat_intr, cp); 1174 if (cp->ih == NULL) { 1175 printf("%s: no compatibility interrupt for use by %s " 1176 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1177 cp->hw_ok = 0; 1178 } 1179 } 1180 1181 void 1182 pciide_print_modes(cp) 1183 struct pciide_channel *cp; 1184 { 1185 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1186 int drive; 1187 struct channel_softc *chp; 1188 struct ata_drive_datas *drvp; 1189 1190 chp = &cp->wdc_channel; 1191 for (drive = 0; drive < 2; drive++) { 1192 drvp = &chp->ch_drive[drive]; 1193 if ((drvp->drive_flags & DRIVE) == 0) 1194 continue; 1195 printf("%s(%s:%d:%d): using PIO mode %d", 1196 drvp->drv_softc->dv_xname, 1197 sc->sc_wdcdev.sc_dev.dv_xname, 1198 chp->channel, drive, drvp->PIO_mode); 1199 if (drvp->drive_flags & DRIVE_DMA) 1200 printf(", DMA mode %d", drvp->DMA_mode); 1201 if (drvp->drive_flags & DRIVE_UDMA) 1202 printf(", Ultra-DMA mode %d", drvp->UDMA_mode); 1203 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) 1204 printf(" (using DMA data transfers)"); 1205 printf("\n"); 1206 } 1207 } 1208 1209 void 1210 default_chip_map(sc, pa) 1211 struct pciide_softc *sc; 1212 struct pci_attach_args *pa; 1213 { 1214 struct pciide_channel *cp; 1215 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1216 pcireg_t csr; 1217 int channel, drive; 1218 struct ata_drive_datas *drvp; 1219 u_int8_t idedma_ctl; 1220 bus_size_t cmdsize, ctlsize; 1221 char *failreason; 1222 1223 if (pciide_chipen(sc, pa) == 0) 1224 return; 1225 1226 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1227 printf("%s: bus-master DMA support present", 1228 sc->sc_wdcdev.sc_dev.dv_xname); 1229 if (sc->sc_pp == &default_product_desc && 1230 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1231 PCIIDE_OPTIONS_DMA) == 0) { 1232 printf(", but unused (no driver support)"); 1233 sc->sc_dma_ok = 0; 1234 } else { 1235 pciide_mapreg_dma(sc, pa); 1236 if (sc->sc_dma_ok != 0) 1237 printf(", used without full driver " 1238 "support"); 1239 } 1240 } else { 1241 printf("%s: hardware does not support DMA", 1242 sc->sc_wdcdev.sc_dev.dv_xname); 1243 sc->sc_dma_ok = 0; 1244 } 1245 printf("\n"); 1246 if (sc->sc_dma_ok) { 1247 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1248 sc->sc_wdcdev.irqack = pciide_irqack; 1249 } 1250 sc->sc_wdcdev.PIO_cap = 0; 1251 sc->sc_wdcdev.DMA_cap = 0; 1252 1253 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1254 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1255 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1256 1257 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1258 cp = &sc->pciide_channels[channel]; 1259 if (pciide_chansetup(sc, channel, interface) == 0) 1260 continue; 1261 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1262 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1263 &ctlsize, pciide_pci_intr); 1264 } else { 1265 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1266 channel, &cmdsize, &ctlsize); 1267 } 1268 if (cp->hw_ok == 0) 1269 continue; 1270 /* 1271 * Check to see if something appears to be there. 1272 */ 1273 failreason = NULL; 1274 if (!wdcprobe(&cp->wdc_channel)) { 1275 failreason = "not responding; disabled or no drives?"; 1276 goto next; 1277 } 1278 /* 1279 * Now, make sure it's actually attributable to this PCI IDE 1280 * channel by trying to access the channel again while the 1281 * PCI IDE controller's I/O space is disabled. (If the 1282 * channel no longer appears to be there, it belongs to 1283 * this controller.) YUCK! 1284 */ 1285 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1286 PCI_COMMAND_STATUS_REG); 1287 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1288 csr & ~PCI_COMMAND_IO_ENABLE); 1289 if (wdcprobe(&cp->wdc_channel)) 1290 failreason = "other hardware responding at addresses"; 1291 pci_conf_write(sc->sc_pc, sc->sc_tag, 1292 PCI_COMMAND_STATUS_REG, csr); 1293 next: 1294 if (failreason) { 1295 printf("%s: %s channel ignored (%s)\n", 1296 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1297 failreason); 1298 cp->hw_ok = 0; 1299 bus_space_unmap(cp->wdc_channel.cmd_iot, 1300 cp->wdc_channel.cmd_ioh, cmdsize); 1301 bus_space_unmap(cp->wdc_channel.ctl_iot, 1302 cp->wdc_channel.ctl_ioh, ctlsize); 1303 } else { 1304 pciide_map_compat_intr(pa, cp, channel, interface); 1305 } 1306 if (cp->hw_ok) { 1307 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1308 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1309 wdcattach(&cp->wdc_channel); 1310 } 1311 } 1312 1313 if (sc->sc_dma_ok == 0) 1314 return; 1315 1316 /* Allocate DMA maps */ 1317 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1318 idedma_ctl = 0; 1319 cp = &sc->pciide_channels[channel]; 1320 for (drive = 0; drive < 2; drive++) { 1321 drvp = &cp->wdc_channel.ch_drive[drive]; 1322 /* If no drive, skip */ 1323 if ((drvp->drive_flags & DRIVE) == 0) 1324 continue; 1325 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1326 continue; 1327 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1328 /* Abort DMA setup */ 1329 printf("%s:%d:%d: can't allocate DMA maps, " 1330 "using PIO transfers\n", 1331 sc->sc_wdcdev.sc_dev.dv_xname, 1332 channel, drive); 1333 drvp->drive_flags &= ~DRIVE_DMA; 1334 } 1335 printf("%s:%d:%d: using DMA data transfers\n", 1336 sc->sc_wdcdev.sc_dev.dv_xname, 1337 channel, drive); 1338 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1339 } 1340 if (idedma_ctl != 0) { 1341 /* Add software bits in status register */ 1342 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1343 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1344 idedma_ctl); 1345 } 1346 } 1347 } 1348 1349 void 1350 piix_chip_map(sc, pa) 1351 struct pciide_softc *sc; 1352 struct pci_attach_args *pa; 1353 { 1354 struct pciide_channel *cp; 1355 int channel; 1356 u_int32_t idetim; 1357 bus_size_t cmdsize, ctlsize; 1358 1359 if (pciide_chipen(sc, pa) == 0) 1360 return; 1361 1362 printf("%s: bus-master DMA support present", 1363 sc->sc_wdcdev.sc_dev.dv_xname); 1364 pciide_mapreg_dma(sc, pa); 1365 printf("\n"); 1366 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1367 WDC_CAPABILITY_MODE; 1368 if (sc->sc_dma_ok) { 1369 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1370 sc->sc_wdcdev.irqack = pciide_irqack; 1371 switch(sc->sc_pp->ide_product) { 1372 case PCI_PRODUCT_INTEL_82371AB_IDE: 1373 case PCI_PRODUCT_INTEL_82801AA_IDE: 1374 case PCI_PRODUCT_INTEL_82801AB_IDE: 1375 case PCI_PRODUCT_INTEL_82801BA_IDE: 1376 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1377 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1378 } 1379 } 1380 sc->sc_wdcdev.PIO_cap = 4; 1381 sc->sc_wdcdev.DMA_cap = 2; 1382 switch(sc->sc_pp->ide_product) { 1383 case PCI_PRODUCT_INTEL_82801AA_IDE: 1384 sc->sc_wdcdev.UDMA_cap = 4; 1385 break; 1386 case PCI_PRODUCT_INTEL_82801BA_IDE: 1387 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1388 sc->sc_wdcdev.UDMA_cap = 5; 1389 break; 1390 default: 1391 sc->sc_wdcdev.UDMA_cap = 2; 1392 } 1393 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1394 sc->sc_wdcdev.set_modes = piix_setup_channel; 1395 else 1396 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1397 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1398 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1399 1400 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1401 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1402 DEBUG_PROBE); 1403 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1404 WDCDEBUG_PRINT((", sidetim=0x%x", 1405 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1406 DEBUG_PROBE); 1407 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1408 WDCDEBUG_PRINT((", udamreg 0x%x", 1409 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1410 DEBUG_PROBE); 1411 } 1412 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1413 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1414 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1415 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1416 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1417 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1418 DEBUG_PROBE); 1419 } 1420 1421 } 1422 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1423 1424 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1425 cp = &sc->pciide_channels[channel]; 1426 /* PIIX is compat-only */ 1427 if (pciide_chansetup(sc, channel, 0) == 0) 1428 continue; 1429 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1430 if ((PIIX_IDETIM_READ(idetim, channel) & 1431 PIIX_IDETIM_IDE) == 0) { 1432 printf("%s: %s channel ignored (disabled)\n", 1433 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1434 continue; 1435 } 1436 /* PIIX are compat-only pciide devices */ 1437 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1438 if (cp->hw_ok == 0) 1439 continue; 1440 if (pciide_chan_candisable(cp)) { 1441 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1442 channel); 1443 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1444 idetim); 1445 } 1446 pciide_map_compat_intr(pa, cp, channel, 0); 1447 if (cp->hw_ok == 0) 1448 continue; 1449 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1450 } 1451 1452 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1453 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1454 DEBUG_PROBE); 1455 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1456 WDCDEBUG_PRINT((", sidetim=0x%x", 1457 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1458 DEBUG_PROBE); 1459 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1460 WDCDEBUG_PRINT((", udamreg 0x%x", 1461 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1462 DEBUG_PROBE); 1463 } 1464 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1465 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1466 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1467 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1468 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1469 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1470 DEBUG_PROBE); 1471 } 1472 } 1473 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1474 } 1475 1476 void 1477 piix_setup_channel(chp) 1478 struct channel_softc *chp; 1479 { 1480 u_int8_t mode[2], drive; 1481 u_int32_t oidetim, idetim, idedma_ctl; 1482 struct pciide_channel *cp = (struct pciide_channel*)chp; 1483 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1484 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1485 1486 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1487 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1488 idedma_ctl = 0; 1489 1490 /* set up new idetim: Enable IDE registers decode */ 1491 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1492 chp->channel); 1493 1494 /* setup DMA */ 1495 pciide_channel_dma_setup(cp); 1496 1497 /* 1498 * Here we have to mess up with drives mode: PIIX can't have 1499 * different timings for master and slave drives. 1500 * We need to find the best combination. 1501 */ 1502 1503 /* If both drives supports DMA, take the lower mode */ 1504 if ((drvp[0].drive_flags & DRIVE_DMA) && 1505 (drvp[1].drive_flags & DRIVE_DMA)) { 1506 mode[0] = mode[1] = 1507 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1508 drvp[0].DMA_mode = mode[0]; 1509 drvp[1].DMA_mode = mode[1]; 1510 goto ok; 1511 } 1512 /* 1513 * If only one drive supports DMA, use its mode, and 1514 * put the other one in PIO mode 0 if mode not compatible 1515 */ 1516 if (drvp[0].drive_flags & DRIVE_DMA) { 1517 mode[0] = drvp[0].DMA_mode; 1518 mode[1] = drvp[1].PIO_mode; 1519 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1520 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1521 mode[1] = drvp[1].PIO_mode = 0; 1522 goto ok; 1523 } 1524 if (drvp[1].drive_flags & DRIVE_DMA) { 1525 mode[1] = drvp[1].DMA_mode; 1526 mode[0] = drvp[0].PIO_mode; 1527 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1528 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1529 mode[0] = drvp[0].PIO_mode = 0; 1530 goto ok; 1531 } 1532 /* 1533 * If both drives are not DMA, takes the lower mode, unless 1534 * one of them is PIO mode < 2 1535 */ 1536 if (drvp[0].PIO_mode < 2) { 1537 mode[0] = drvp[0].PIO_mode = 0; 1538 mode[1] = drvp[1].PIO_mode; 1539 } else if (drvp[1].PIO_mode < 2) { 1540 mode[1] = drvp[1].PIO_mode = 0; 1541 mode[0] = drvp[0].PIO_mode; 1542 } else { 1543 mode[0] = mode[1] = 1544 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1545 drvp[0].PIO_mode = mode[0]; 1546 drvp[1].PIO_mode = mode[1]; 1547 } 1548 ok: /* The modes are setup */ 1549 for (drive = 0; drive < 2; drive++) { 1550 if (drvp[drive].drive_flags & DRIVE_DMA) { 1551 idetim |= piix_setup_idetim_timings( 1552 mode[drive], 1, chp->channel); 1553 goto end; 1554 } 1555 } 1556 /* If we are there, none of the drives are DMA */ 1557 if (mode[0] >= 2) 1558 idetim |= piix_setup_idetim_timings( 1559 mode[0], 0, chp->channel); 1560 else 1561 idetim |= piix_setup_idetim_timings( 1562 mode[1], 0, chp->channel); 1563 end: /* 1564 * timing mode is now set up in the controller. Enable 1565 * it per-drive 1566 */ 1567 for (drive = 0; drive < 2; drive++) { 1568 /* If no drive, skip */ 1569 if ((drvp[drive].drive_flags & DRIVE) == 0) 1570 continue; 1571 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1572 if (drvp[drive].drive_flags & DRIVE_DMA) 1573 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1574 } 1575 if (idedma_ctl != 0) { 1576 /* Add software bits in status register */ 1577 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1578 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1579 idedma_ctl); 1580 } 1581 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1582 pciide_print_modes(cp); 1583 } 1584 1585 void 1586 piix3_4_setup_channel(chp) 1587 struct channel_softc *chp; 1588 { 1589 struct ata_drive_datas *drvp; 1590 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1591 struct pciide_channel *cp = (struct pciide_channel*)chp; 1592 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1593 int drive; 1594 int channel = chp->channel; 1595 1596 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1597 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1598 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1599 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1600 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1601 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1602 PIIX_SIDETIM_RTC_MASK(channel)); 1603 1604 idedma_ctl = 0; 1605 /* If channel disabled, no need to go further */ 1606 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1607 return; 1608 /* set up new idetim: Enable IDE registers decode */ 1609 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1610 1611 /* setup DMA if needed */ 1612 pciide_channel_dma_setup(cp); 1613 1614 for (drive = 0; drive < 2; drive++) { 1615 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1616 PIIX_UDMATIM_SET(0x3, channel, drive)); 1617 drvp = &chp->ch_drive[drive]; 1618 /* If no drive, skip */ 1619 if ((drvp->drive_flags & DRIVE) == 0) 1620 continue; 1621 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1622 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1623 goto pio; 1624 1625 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1626 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1627 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1628 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1629 ideconf |= PIIX_CONFIG_PINGPONG; 1630 } 1631 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1632 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1633 /* setup Ultra/100 */ 1634 if (drvp->UDMA_mode > 2 && 1635 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1636 drvp->UDMA_mode = 2; 1637 if (drvp->UDMA_mode > 4) { 1638 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1639 } else { 1640 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1641 if (drvp->UDMA_mode > 2) { 1642 ideconf |= PIIX_CONFIG_UDMA66(channel, 1643 drive); 1644 } else { 1645 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1646 drive); 1647 } 1648 } 1649 } 1650 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1651 /* setup Ultra/66 */ 1652 if (drvp->UDMA_mode > 2 && 1653 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1654 drvp->UDMA_mode = 2; 1655 if (drvp->UDMA_mode > 2) 1656 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1657 else 1658 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1659 } 1660 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1661 (drvp->drive_flags & DRIVE_UDMA)) { 1662 /* use Ultra/DMA */ 1663 drvp->drive_flags &= ~DRIVE_DMA; 1664 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1665 udmareg |= PIIX_UDMATIM_SET( 1666 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1667 } else { 1668 /* use Multiword DMA */ 1669 drvp->drive_flags &= ~DRIVE_UDMA; 1670 if (drive == 0) { 1671 idetim |= piix_setup_idetim_timings( 1672 drvp->DMA_mode, 1, channel); 1673 } else { 1674 sidetim |= piix_setup_sidetim_timings( 1675 drvp->DMA_mode, 1, channel); 1676 idetim =PIIX_IDETIM_SET(idetim, 1677 PIIX_IDETIM_SITRE, channel); 1678 } 1679 } 1680 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1681 1682 pio: /* use PIO mode */ 1683 idetim |= piix_setup_idetim_drvs(drvp); 1684 if (drive == 0) { 1685 idetim |= piix_setup_idetim_timings( 1686 drvp->PIO_mode, 0, channel); 1687 } else { 1688 sidetim |= piix_setup_sidetim_timings( 1689 drvp->PIO_mode, 0, channel); 1690 idetim =PIIX_IDETIM_SET(idetim, 1691 PIIX_IDETIM_SITRE, channel); 1692 } 1693 } 1694 if (idedma_ctl != 0) { 1695 /* Add software bits in status register */ 1696 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1697 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1698 idedma_ctl); 1699 } 1700 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1701 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1702 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1703 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1704 pciide_print_modes(cp); 1705 } 1706 1707 1708 /* setup ISP and RTC fields, based on mode */ 1709 static u_int32_t 1710 piix_setup_idetim_timings(mode, dma, channel) 1711 u_int8_t mode; 1712 u_int8_t dma; 1713 u_int8_t channel; 1714 { 1715 1716 if (dma) 1717 return PIIX_IDETIM_SET(0, 1718 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1719 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1720 channel); 1721 else 1722 return PIIX_IDETIM_SET(0, 1723 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1724 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1725 channel); 1726 } 1727 1728 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1729 static u_int32_t 1730 piix_setup_idetim_drvs(drvp) 1731 struct ata_drive_datas *drvp; 1732 { 1733 u_int32_t ret = 0; 1734 struct channel_softc *chp = drvp->chnl_softc; 1735 u_int8_t channel = chp->channel; 1736 u_int8_t drive = drvp->drive; 1737 1738 /* 1739 * If drive is using UDMA, timings setups are independant 1740 * So just check DMA and PIO here. 1741 */ 1742 if (drvp->drive_flags & DRIVE_DMA) { 1743 /* if mode = DMA mode 0, use compatible timings */ 1744 if ((drvp->drive_flags & DRIVE_DMA) && 1745 drvp->DMA_mode == 0) { 1746 drvp->PIO_mode = 0; 1747 return ret; 1748 } 1749 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1750 /* 1751 * PIO and DMA timings are the same, use fast timings for PIO 1752 * too, else use compat timings. 1753 */ 1754 if ((piix_isp_pio[drvp->PIO_mode] != 1755 piix_isp_dma[drvp->DMA_mode]) || 1756 (piix_rtc_pio[drvp->PIO_mode] != 1757 piix_rtc_dma[drvp->DMA_mode])) 1758 drvp->PIO_mode = 0; 1759 /* if PIO mode <= 2, use compat timings for PIO */ 1760 if (drvp->PIO_mode <= 2) { 1761 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1762 channel); 1763 return ret; 1764 } 1765 } 1766 1767 /* 1768 * Now setup PIO modes. If mode < 2, use compat timings. 1769 * Else enable fast timings. Enable IORDY and prefetch/post 1770 * if PIO mode >= 3. 1771 */ 1772 1773 if (drvp->PIO_mode < 2) 1774 return ret; 1775 1776 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1777 if (drvp->PIO_mode >= 3) { 1778 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1779 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1780 } 1781 return ret; 1782 } 1783 1784 /* setup values in SIDETIM registers, based on mode */ 1785 static u_int32_t 1786 piix_setup_sidetim_timings(mode, dma, channel) 1787 u_int8_t mode; 1788 u_int8_t dma; 1789 u_int8_t channel; 1790 { 1791 if (dma) 1792 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1793 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1794 else 1795 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1796 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1797 } 1798 1799 void 1800 amd7x6_chip_map(sc, pa) 1801 struct pciide_softc *sc; 1802 struct pci_attach_args *pa; 1803 { 1804 struct pciide_channel *cp; 1805 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1806 int channel; 1807 pcireg_t chanenable; 1808 bus_size_t cmdsize, ctlsize; 1809 1810 if (pciide_chipen(sc, pa) == 0) 1811 return; 1812 printf("%s: bus-master DMA support present", 1813 sc->sc_wdcdev.sc_dev.dv_xname); 1814 pciide_mapreg_dma(sc, pa); 1815 printf("\n"); 1816 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1817 WDC_CAPABILITY_MODE; 1818 if (sc->sc_dma_ok) { 1819 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1820 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1821 sc->sc_wdcdev.irqack = pciide_irqack; 1822 } 1823 sc->sc_wdcdev.PIO_cap = 4; 1824 sc->sc_wdcdev.DMA_cap = 2; 1825 1826 if (sc->sc_pp->ide_product == PCI_PRODUCT_AMD_PBC766_IDE) 1827 sc->sc_wdcdev.UDMA_cap = 5; 1828 else 1829 sc->sc_wdcdev.UDMA_cap = 4; 1830 sc->sc_wdcdev.set_modes = amd7x6_setup_channel; 1831 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1832 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1833 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN); 1834 1835 WDCDEBUG_PRINT(("amd7x6_chip_map: Channel enable=0x%x\n", chanenable), 1836 DEBUG_PROBE); 1837 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1838 cp = &sc->pciide_channels[channel]; 1839 if (pciide_chansetup(sc, channel, interface) == 0) 1840 continue; 1841 1842 if ((chanenable & AMD7X6_CHAN_EN(channel)) == 0) { 1843 printf("%s: %s channel ignored (disabled)\n", 1844 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1845 continue; 1846 } 1847 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1848 pciide_pci_intr); 1849 1850 if (pciide_chan_candisable(cp)) 1851 chanenable &= ~AMD7X6_CHAN_EN(channel); 1852 pciide_map_compat_intr(pa, cp, channel, interface); 1853 if (cp->hw_ok == 0) 1854 continue; 1855 1856 amd7x6_setup_channel(&cp->wdc_channel); 1857 } 1858 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_CHANSTATUS_EN, 1859 chanenable); 1860 return; 1861 } 1862 1863 void 1864 amd7x6_setup_channel(chp) 1865 struct channel_softc *chp; 1866 { 1867 u_int32_t udmatim_reg, datatim_reg; 1868 u_int8_t idedma_ctl; 1869 int mode, drive; 1870 struct ata_drive_datas *drvp; 1871 struct pciide_channel *cp = (struct pciide_channel*)chp; 1872 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1873 #ifndef PCIIDE_AMD756_ENABLEDMA 1874 int rev = PCI_REVISION( 1875 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 1876 #endif 1877 1878 idedma_ctl = 0; 1879 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM); 1880 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA); 1881 datatim_reg &= ~AMD7X6_DATATIM_MASK(chp->channel); 1882 udmatim_reg &= ~AMD7X6_UDMA_MASK(chp->channel); 1883 1884 /* setup DMA if needed */ 1885 pciide_channel_dma_setup(cp); 1886 1887 for (drive = 0; drive < 2; drive++) { 1888 drvp = &chp->ch_drive[drive]; 1889 /* If no drive, skip */ 1890 if ((drvp->drive_flags & DRIVE) == 0) 1891 continue; 1892 /* add timing values, setup DMA if needed */ 1893 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1894 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1895 mode = drvp->PIO_mode; 1896 goto pio; 1897 } 1898 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1899 (drvp->drive_flags & DRIVE_UDMA)) { 1900 /* use Ultra/DMA */ 1901 drvp->drive_flags &= ~DRIVE_DMA; 1902 udmatim_reg |= AMD7X6_UDMA_EN(chp->channel, drive) | 1903 AMD7X6_UDMA_EN_MTH(chp->channel, drive) | 1904 AMD7X6_UDMA_TIME(chp->channel, drive, 1905 amd7x6_udma_tim[drvp->UDMA_mode]); 1906 /* can use PIO timings, MW DMA unused */ 1907 mode = drvp->PIO_mode; 1908 } else { 1909 /* use Multiword DMA, but only if revision is OK */ 1910 drvp->drive_flags &= ~DRIVE_UDMA; 1911 #ifndef PCIIDE_AMD756_ENABLEDMA 1912 /* 1913 * The workaround doesn't seem to be necessary 1914 * with all drives, so it can be disabled by 1915 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 1916 * triggered. 1917 */ 1918 if (sc->sc_pp->ide_product == 1919 PCI_PRODUCT_AMD_PBC756_IDE && 1920 AMD756_CHIPREV_DISABLEDMA(rev)) { 1921 printf("%s:%d:%d: multi-word DMA disabled due " 1922 "to chip revision\n", 1923 sc->sc_wdcdev.sc_dev.dv_xname, 1924 chp->channel, drive); 1925 mode = drvp->PIO_mode; 1926 drvp->drive_flags &= ~DRIVE_DMA; 1927 goto pio; 1928 } 1929 #endif 1930 /* mode = min(pio, dma+2) */ 1931 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1932 mode = drvp->PIO_mode; 1933 else 1934 mode = drvp->DMA_mode + 2; 1935 } 1936 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1937 1938 pio: /* setup PIO mode */ 1939 if (mode <= 2) { 1940 drvp->DMA_mode = 0; 1941 drvp->PIO_mode = 0; 1942 mode = 0; 1943 } else { 1944 drvp->PIO_mode = mode; 1945 drvp->DMA_mode = mode - 2; 1946 } 1947 datatim_reg |= 1948 AMD7X6_DATATIM_PULSE(chp->channel, drive, 1949 amd7x6_pio_set[mode]) | 1950 AMD7X6_DATATIM_RECOV(chp->channel, drive, 1951 amd7x6_pio_rec[mode]); 1952 } 1953 if (idedma_ctl != 0) { 1954 /* Add software bits in status register */ 1955 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1956 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1957 idedma_ctl); 1958 } 1959 pciide_print_modes(cp); 1960 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_DATATIM, datatim_reg); 1961 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD7X6_UDMA, udmatim_reg); 1962 } 1963 1964 void 1965 apollo_chip_map(sc, pa) 1966 struct pciide_softc *sc; 1967 struct pci_attach_args *pa; 1968 { 1969 struct pciide_channel *cp; 1970 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1971 int channel; 1972 u_int32_t ideconf; 1973 bus_size_t cmdsize, ctlsize; 1974 pcitag_t pcib_tag; 1975 pcireg_t pcib_id, pcib_class; 1976 1977 if (pciide_chipen(sc, pa) == 0) 1978 return; 1979 /* get a PCI tag for the ISA bridge (function 0 of the same device) */ 1980 pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); 1981 /* and read ID and rev of the ISA bridge */ 1982 pcib_id = pci_conf_read(sc->sc_pc, pcib_tag, PCI_ID_REG); 1983 pcib_class = pci_conf_read(sc->sc_pc, pcib_tag, PCI_CLASS_REG); 1984 printf(": VIA Technologies "); 1985 switch (PCI_PRODUCT(pcib_id)) { 1986 case PCI_PRODUCT_VIATECH_VT82C586_ISA: 1987 printf("VT82C586 (Apollo VP) "); 1988 if(PCI_REVISION(pcib_class) >= 0x02) { 1989 printf("ATA33 controller\n"); 1990 sc->sc_wdcdev.UDMA_cap = 2; 1991 } else { 1992 printf("controller\n"); 1993 sc->sc_wdcdev.UDMA_cap = 0; 1994 } 1995 break; 1996 case PCI_PRODUCT_VIATECH_VT82C596A: 1997 printf("VT82C596A (Apollo Pro) "); 1998 if (PCI_REVISION(pcib_class) >= 0x12) { 1999 printf("ATA66 controller\n"); 2000 sc->sc_wdcdev.UDMA_cap = 4; 2001 } else { 2002 printf("ATA33 controller\n"); 2003 sc->sc_wdcdev.UDMA_cap = 2; 2004 } 2005 break; 2006 case PCI_PRODUCT_VIATECH_VT82C686A_ISA: 2007 printf("VT82C686A (Apollo KX133) "); 2008 if (PCI_REVISION(pcib_class) >= 0x40) { 2009 printf("ATA100 controller\n"); 2010 sc->sc_wdcdev.UDMA_cap = 5; 2011 } else { 2012 printf("ATA66 controller\n"); 2013 sc->sc_wdcdev.UDMA_cap = 4; 2014 } 2015 break; 2016 default: 2017 printf("unknown ATA controller\n"); 2018 sc->sc_wdcdev.UDMA_cap = 0; 2019 } 2020 2021 printf("%s: bus-master DMA support present", 2022 sc->sc_wdcdev.sc_dev.dv_xname); 2023 pciide_mapreg_dma(sc, pa); 2024 printf("\n"); 2025 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2026 WDC_CAPABILITY_MODE; 2027 if (sc->sc_dma_ok) { 2028 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2029 sc->sc_wdcdev.irqack = pciide_irqack; 2030 if (sc->sc_wdcdev.UDMA_cap > 0) 2031 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2032 } 2033 sc->sc_wdcdev.PIO_cap = 4; 2034 sc->sc_wdcdev.DMA_cap = 2; 2035 sc->sc_wdcdev.set_modes = apollo_setup_channel; 2036 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2037 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2038 2039 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 2040 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2041 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 2042 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 2043 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2044 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), 2045 DEBUG_PROBE); 2046 2047 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2048 cp = &sc->pciide_channels[channel]; 2049 if (pciide_chansetup(sc, channel, interface) == 0) 2050 continue; 2051 2052 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 2053 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 2054 printf("%s: %s channel ignored (disabled)\n", 2055 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2056 continue; 2057 } 2058 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2059 pciide_pci_intr); 2060 if (cp->hw_ok == 0) 2061 continue; 2062 if (pciide_chan_candisable(cp)) { 2063 ideconf &= ~APO_IDECONF_EN(channel); 2064 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2065 ideconf); 2066 } 2067 pciide_map_compat_intr(pa, cp, channel, interface); 2068 2069 if (cp->hw_ok == 0) 2070 continue; 2071 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2072 } 2073 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2074 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2075 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2076 } 2077 2078 void 2079 apollo_setup_channel(chp) 2080 struct channel_softc *chp; 2081 { 2082 u_int32_t udmatim_reg, datatim_reg; 2083 u_int8_t idedma_ctl; 2084 int mode, drive; 2085 struct ata_drive_datas *drvp; 2086 struct pciide_channel *cp = (struct pciide_channel*)chp; 2087 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2088 2089 idedma_ctl = 0; 2090 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2091 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2092 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2093 udmatim_reg &= ~APO_UDMA_MASK(chp->channel); 2094 2095 /* setup DMA if needed */ 2096 pciide_channel_dma_setup(cp); 2097 2098 for (drive = 0; drive < 2; drive++) { 2099 drvp = &chp->ch_drive[drive]; 2100 /* If no drive, skip */ 2101 if ((drvp->drive_flags & DRIVE) == 0) 2102 continue; 2103 /* add timing values, setup DMA if needed */ 2104 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2105 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2106 mode = drvp->PIO_mode; 2107 goto pio; 2108 } 2109 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2110 (drvp->drive_flags & DRIVE_UDMA)) { 2111 /* use Ultra/DMA */ 2112 drvp->drive_flags &= ~DRIVE_DMA; 2113 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2114 APO_UDMA_EN_MTH(chp->channel, drive); 2115 if (sc->sc_wdcdev.UDMA_cap == 5) { 2116 /* 686b */ 2117 udmatim_reg |= APO_UDMA_CLK66(chp->channel); 2118 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2119 drive, apollo_udma100_tim[drvp->UDMA_mode]); 2120 } else if (sc->sc_wdcdev.UDMA_cap == 4) { 2121 /* 596b or 686a */ 2122 udmatim_reg |= APO_UDMA_CLK66(chp->channel); 2123 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2124 drive, apollo_udma66_tim[drvp->UDMA_mode]); 2125 } else { 2126 /* 596a or 586b */ 2127 udmatim_reg |= APO_UDMA_TIME(chp->channel, 2128 drive, apollo_udma33_tim[drvp->UDMA_mode]); 2129 } 2130 /* can use PIO timings, MW DMA unused */ 2131 mode = drvp->PIO_mode; 2132 } else { 2133 /* use Multiword DMA */ 2134 drvp->drive_flags &= ~DRIVE_UDMA; 2135 /* mode = min(pio, dma+2) */ 2136 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2137 mode = drvp->PIO_mode; 2138 else 2139 mode = drvp->DMA_mode + 2; 2140 } 2141 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2142 2143 pio: /* setup PIO mode */ 2144 if (mode <= 2) { 2145 drvp->DMA_mode = 0; 2146 drvp->PIO_mode = 0; 2147 mode = 0; 2148 } else { 2149 drvp->PIO_mode = mode; 2150 drvp->DMA_mode = mode - 2; 2151 } 2152 datatim_reg |= 2153 APO_DATATIM_PULSE(chp->channel, drive, 2154 apollo_pio_set[mode]) | 2155 APO_DATATIM_RECOV(chp->channel, drive, 2156 apollo_pio_rec[mode]); 2157 } 2158 if (idedma_ctl != 0) { 2159 /* Add software bits in status register */ 2160 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2161 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2162 idedma_ctl); 2163 } 2164 pciide_print_modes(cp); 2165 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2166 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2167 } 2168 2169 void 2170 cmd_channel_map(pa, sc, channel) 2171 struct pci_attach_args *pa; 2172 struct pciide_softc *sc; 2173 int channel; 2174 { 2175 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2176 bus_size_t cmdsize, ctlsize; 2177 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2178 int interface; 2179 2180 /* 2181 * The 0648/0649 can be told to identify as a RAID controller. 2182 * In this case, we have to fake interface 2183 */ 2184 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2185 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2186 PCIIDE_INTERFACE_SETTABLE(1); 2187 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2188 CMD_CONF_DSA1) 2189 interface |= PCIIDE_INTERFACE_PCI(0) | 2190 PCIIDE_INTERFACE_PCI(1); 2191 } else { 2192 interface = PCI_INTERFACE(pa->pa_class); 2193 } 2194 2195 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2196 cp->name = PCIIDE_CHANNEL_NAME(channel); 2197 cp->wdc_channel.channel = channel; 2198 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2199 2200 if (channel > 0) { 2201 cp->wdc_channel.ch_queue = 2202 sc->pciide_channels[0].wdc_channel.ch_queue; 2203 } else { 2204 cp->wdc_channel.ch_queue = 2205 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2206 } 2207 if (cp->wdc_channel.ch_queue == NULL) { 2208 printf("%s %s channel: " 2209 "can't allocate memory for command queue", 2210 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2211 return; 2212 } 2213 2214 printf("%s: %s channel %s to %s mode\n", 2215 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2216 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2217 "configured" : "wired", 2218 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2219 "native-PCI" : "compatibility"); 2220 2221 /* 2222 * with a CMD PCI64x, if we get here, the first channel is enabled: 2223 * there's no way to disable the first channel without disabling 2224 * the whole device 2225 */ 2226 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2227 printf("%s: %s channel ignored (disabled)\n", 2228 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2229 return; 2230 } 2231 2232 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2233 if (cp->hw_ok == 0) 2234 return; 2235 if (channel == 1) { 2236 if (pciide_chan_candisable(cp)) { 2237 ctrl &= ~CMD_CTRL_2PORT; 2238 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2239 CMD_CTRL, ctrl); 2240 } 2241 } 2242 pciide_map_compat_intr(pa, cp, channel, interface); 2243 } 2244 2245 int 2246 cmd_pci_intr(arg) 2247 void *arg; 2248 { 2249 struct pciide_softc *sc = arg; 2250 struct pciide_channel *cp; 2251 struct channel_softc *wdc_cp; 2252 int i, rv, crv; 2253 u_int32_t priirq, secirq; 2254 2255 rv = 0; 2256 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2257 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2258 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2259 cp = &sc->pciide_channels[i]; 2260 wdc_cp = &cp->wdc_channel; 2261 /* If a compat channel skip. */ 2262 if (cp->compat) 2263 continue; 2264 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2265 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2266 crv = wdcintr(wdc_cp); 2267 if (crv == 0) 2268 printf("%s:%d: bogus intr\n", 2269 sc->sc_wdcdev.sc_dev.dv_xname, i); 2270 else 2271 rv = 1; 2272 } 2273 } 2274 return rv; 2275 } 2276 2277 void 2278 cmd_chip_map(sc, pa) 2279 struct pciide_softc *sc; 2280 struct pci_attach_args *pa; 2281 { 2282 int channel; 2283 2284 /* 2285 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2286 * and base adresses registers can be disabled at 2287 * hardware level. In this case, the device is wired 2288 * in compat mode and its first channel is always enabled, 2289 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2290 * In fact, it seems that the first channel of the CMD PCI0640 2291 * can't be disabled. 2292 */ 2293 2294 #ifdef PCIIDE_CMD064x_DISABLE 2295 if (pciide_chipen(sc, pa) == 0) 2296 return; 2297 #endif 2298 2299 printf("%s: hardware does not support DMA\n", 2300 sc->sc_wdcdev.sc_dev.dv_xname); 2301 sc->sc_dma_ok = 0; 2302 2303 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2304 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2305 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2306 2307 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2308 cmd_channel_map(pa, sc, channel); 2309 } 2310 } 2311 2312 void 2313 cmd0643_9_chip_map(sc, pa) 2314 struct pciide_softc *sc; 2315 struct pci_attach_args *pa; 2316 { 2317 struct pciide_channel *cp; 2318 int channel; 2319 int rev = PCI_REVISION( 2320 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2321 2322 /* 2323 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2324 * and base adresses registers can be disabled at 2325 * hardware level. In this case, the device is wired 2326 * in compat mode and its first channel is always enabled, 2327 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2328 * In fact, it seems that the first channel of the CMD PCI0640 2329 * can't be disabled. 2330 */ 2331 2332 #ifdef PCIIDE_CMD064x_DISABLE 2333 if (pciide_chipen(sc, pa) == 0) 2334 return; 2335 #endif 2336 printf("%s: bus-master DMA support present", 2337 sc->sc_wdcdev.sc_dev.dv_xname); 2338 pciide_mapreg_dma(sc, pa); 2339 printf("\n"); 2340 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2341 WDC_CAPABILITY_MODE; 2342 if (sc->sc_dma_ok) { 2343 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2344 switch (sc->sc_pp->ide_product) { 2345 case PCI_PRODUCT_CMDTECH_649: 2346 case PCI_PRODUCT_CMDTECH_648: 2347 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2348 sc->sc_wdcdev.UDMA_cap = 4; 2349 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2350 break; 2351 case PCI_PRODUCT_CMDTECH_646: 2352 if (rev >= CMD0646U2_REV) { 2353 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2354 sc->sc_wdcdev.UDMA_cap = 2; 2355 } else if (rev >= CMD0646U_REV) { 2356 /* 2357 * Linux's driver claims that the 646U is broken 2358 * with UDMA. Only enable it if we know what we're 2359 * doing 2360 */ 2361 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2362 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2363 sc->sc_wdcdev.UDMA_cap = 2; 2364 #endif 2365 /* explicitely disable UDMA */ 2366 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2367 CMD_UDMATIM(0), 0); 2368 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2369 CMD_UDMATIM(1), 0); 2370 } 2371 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2372 break; 2373 default: 2374 sc->sc_wdcdev.irqack = pciide_irqack; 2375 } 2376 } 2377 2378 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2379 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2380 sc->sc_wdcdev.PIO_cap = 4; 2381 sc->sc_wdcdev.DMA_cap = 2; 2382 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2383 2384 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2385 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2386 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2387 DEBUG_PROBE); 2388 2389 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2390 cp = &sc->pciide_channels[channel]; 2391 cmd_channel_map(pa, sc, channel); 2392 if (cp->hw_ok == 0) 2393 continue; 2394 cmd0643_9_setup_channel(&cp->wdc_channel); 2395 } 2396 /* 2397 * note - this also makes sure we clear the irq disable and reset 2398 * bits 2399 */ 2400 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2401 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2402 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2403 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2404 DEBUG_PROBE); 2405 } 2406 2407 void 2408 cmd0643_9_setup_channel(chp) 2409 struct channel_softc *chp; 2410 { 2411 struct ata_drive_datas *drvp; 2412 u_int8_t tim; 2413 u_int32_t idedma_ctl, udma_reg; 2414 int drive; 2415 struct pciide_channel *cp = (struct pciide_channel*)chp; 2416 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2417 2418 idedma_ctl = 0; 2419 /* setup DMA if needed */ 2420 pciide_channel_dma_setup(cp); 2421 2422 for (drive = 0; drive < 2; drive++) { 2423 drvp = &chp->ch_drive[drive]; 2424 /* If no drive, skip */ 2425 if ((drvp->drive_flags & DRIVE) == 0) 2426 continue; 2427 /* add timing values, setup DMA if needed */ 2428 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2429 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2430 if (drvp->drive_flags & DRIVE_UDMA) { 2431 /* UltraDMA on a 646U2, 0648 or 0649 */ 2432 drvp->drive_flags &= ~DRIVE_DMA; 2433 udma_reg = pciide_pci_read(sc->sc_pc, 2434 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2435 if (drvp->UDMA_mode > 2 && 2436 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2437 CMD_BICSR) & 2438 CMD_BICSR_80(chp->channel)) == 0) 2439 drvp->UDMA_mode = 2; 2440 if (drvp->UDMA_mode > 2) 2441 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2442 else if (sc->sc_wdcdev.UDMA_cap > 2) 2443 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2444 udma_reg |= CMD_UDMATIM_UDMA(drive); 2445 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2446 CMD_UDMATIM_TIM_OFF(drive)); 2447 udma_reg |= 2448 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2449 CMD_UDMATIM_TIM_OFF(drive)); 2450 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2451 CMD_UDMATIM(chp->channel), udma_reg); 2452 } else { 2453 /* 2454 * use Multiword DMA. 2455 * Timings will be used for both PIO and DMA, 2456 * so adjust DMA mode if needed 2457 * if we have a 0646U2/8/9, turn off UDMA 2458 */ 2459 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2460 udma_reg = pciide_pci_read(sc->sc_pc, 2461 sc->sc_tag, 2462 CMD_UDMATIM(chp->channel)); 2463 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2464 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2465 CMD_UDMATIM(chp->channel), 2466 udma_reg); 2467 } 2468 if (drvp->PIO_mode >= 3 && 2469 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2470 drvp->DMA_mode = drvp->PIO_mode - 2; 2471 } 2472 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2473 } 2474 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2475 } 2476 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2477 CMD_DATA_TIM(chp->channel, drive), tim); 2478 } 2479 if (idedma_ctl != 0) { 2480 /* Add software bits in status register */ 2481 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2482 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2483 idedma_ctl); 2484 } 2485 pciide_print_modes(cp); 2486 } 2487 2488 void 2489 cmd646_9_irqack(chp) 2490 struct channel_softc *chp; 2491 { 2492 u_int32_t priirq, secirq; 2493 struct pciide_channel *cp = (struct pciide_channel*)chp; 2494 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2495 2496 if (chp->channel == 0) { 2497 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2498 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2499 } else { 2500 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2501 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2502 } 2503 pciide_irqack(chp); 2504 } 2505 2506 void 2507 cy693_chip_map(sc, pa) 2508 struct pciide_softc *sc; 2509 struct pci_attach_args *pa; 2510 { 2511 struct pciide_channel *cp; 2512 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2513 bus_size_t cmdsize, ctlsize; 2514 2515 if (pciide_chipen(sc, pa) == 0) 2516 return; 2517 /* 2518 * this chip has 2 PCI IDE functions, one for primary and one for 2519 * secondary. So we need to call pciide_mapregs_compat() with 2520 * the real channel 2521 */ 2522 if (pa->pa_function == 1) { 2523 sc->sc_cy_compatchan = 0; 2524 } else if (pa->pa_function == 2) { 2525 sc->sc_cy_compatchan = 1; 2526 } else { 2527 printf("%s: unexpected PCI function %d\n", 2528 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2529 return; 2530 } 2531 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2532 printf("%s: bus-master DMA support present", 2533 sc->sc_wdcdev.sc_dev.dv_xname); 2534 pciide_mapreg_dma(sc, pa); 2535 } else { 2536 printf("%s: hardware does not support DMA", 2537 sc->sc_wdcdev.sc_dev.dv_xname); 2538 sc->sc_dma_ok = 0; 2539 } 2540 printf("\n"); 2541 2542 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2543 if (sc->sc_cy_handle == NULL) { 2544 printf("%s: unable to map hyperCache control registers\n", 2545 sc->sc_wdcdev.sc_dev.dv_xname); 2546 sc->sc_dma_ok = 0; 2547 } 2548 2549 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2550 WDC_CAPABILITY_MODE; 2551 if (sc->sc_dma_ok) { 2552 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2553 sc->sc_wdcdev.irqack = pciide_irqack; 2554 } 2555 sc->sc_wdcdev.PIO_cap = 4; 2556 sc->sc_wdcdev.DMA_cap = 2; 2557 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2558 2559 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2560 sc->sc_wdcdev.nchannels = 1; 2561 2562 /* Only one channel for this chip; if we are here it's enabled */ 2563 cp = &sc->pciide_channels[0]; 2564 sc->wdc_chanarray[0] = &cp->wdc_channel; 2565 cp->name = PCIIDE_CHANNEL_NAME(0); 2566 cp->wdc_channel.channel = 0; 2567 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2568 cp->wdc_channel.ch_queue = 2569 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2570 if (cp->wdc_channel.ch_queue == NULL) { 2571 printf("%s primary channel: " 2572 "can't allocate memory for command queue", 2573 sc->sc_wdcdev.sc_dev.dv_xname); 2574 return; 2575 } 2576 printf("%s: primary channel %s to ", 2577 sc->sc_wdcdev.sc_dev.dv_xname, 2578 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2579 "configured" : "wired"); 2580 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2581 printf("native-PCI"); 2582 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2583 pciide_pci_intr); 2584 } else { 2585 printf("compatibility"); 2586 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2587 &cmdsize, &ctlsize); 2588 } 2589 printf(" mode\n"); 2590 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2591 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2592 wdcattach(&cp->wdc_channel); 2593 if (pciide_chan_candisable(cp)) { 2594 pci_conf_write(sc->sc_pc, sc->sc_tag, 2595 PCI_COMMAND_STATUS_REG, 0); 2596 } 2597 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2598 if (cp->hw_ok == 0) 2599 return; 2600 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2601 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2602 cy693_setup_channel(&cp->wdc_channel); 2603 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2604 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2605 } 2606 2607 void 2608 cy693_setup_channel(chp) 2609 struct channel_softc *chp; 2610 { 2611 struct ata_drive_datas *drvp; 2612 int drive; 2613 u_int32_t cy_cmd_ctrl; 2614 u_int32_t idedma_ctl; 2615 struct pciide_channel *cp = (struct pciide_channel*)chp; 2616 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2617 int dma_mode = -1; 2618 2619 cy_cmd_ctrl = idedma_ctl = 0; 2620 2621 /* setup DMA if needed */ 2622 pciide_channel_dma_setup(cp); 2623 2624 for (drive = 0; drive < 2; drive++) { 2625 drvp = &chp->ch_drive[drive]; 2626 /* If no drive, skip */ 2627 if ((drvp->drive_flags & DRIVE) == 0) 2628 continue; 2629 /* add timing values, setup DMA if needed */ 2630 if (drvp->drive_flags & DRIVE_DMA) { 2631 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2632 /* use Multiword DMA */ 2633 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2634 dma_mode = drvp->DMA_mode; 2635 } 2636 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2637 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2638 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2639 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2640 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2641 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2642 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2643 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2644 } 2645 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2646 chp->ch_drive[0].DMA_mode = dma_mode; 2647 chp->ch_drive[1].DMA_mode = dma_mode; 2648 2649 if (dma_mode == -1) 2650 dma_mode = 0; 2651 2652 if (sc->sc_cy_handle != NULL) { 2653 /* Note: `multiple' is implied. */ 2654 cy82c693_write(sc->sc_cy_handle, 2655 (sc->sc_cy_compatchan == 0) ? 2656 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2657 } 2658 2659 pciide_print_modes(cp); 2660 2661 if (idedma_ctl != 0) { 2662 /* Add software bits in status register */ 2663 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2664 IDEDMA_CTL, idedma_ctl); 2665 } 2666 } 2667 2668 void 2669 sis_chip_map(sc, pa) 2670 struct pciide_softc *sc; 2671 struct pci_attach_args *pa; 2672 { 2673 struct pciide_channel *cp; 2674 int channel; 2675 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2676 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2677 pcireg_t rev = PCI_REVISION(pa->pa_class); 2678 bus_size_t cmdsize, ctlsize; 2679 2680 if (pciide_chipen(sc, pa) == 0) 2681 return; 2682 printf("%s: bus-master DMA support present", 2683 sc->sc_wdcdev.sc_dev.dv_xname); 2684 pciide_mapreg_dma(sc, pa); 2685 printf("\n"); 2686 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2687 WDC_CAPABILITY_MODE; 2688 if (sc->sc_dma_ok) { 2689 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2690 sc->sc_wdcdev.irqack = pciide_irqack; 2691 if (rev > 0xd0) 2692 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2693 } 2694 2695 sc->sc_wdcdev.PIO_cap = 4; 2696 sc->sc_wdcdev.DMA_cap = 2; 2697 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2698 sc->sc_wdcdev.UDMA_cap = 2; 2699 sc->sc_wdcdev.set_modes = sis_setup_channel; 2700 2701 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2702 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2703 2704 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2705 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2706 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2707 2708 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2709 cp = &sc->pciide_channels[channel]; 2710 if (pciide_chansetup(sc, channel, interface) == 0) 2711 continue; 2712 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2713 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2714 printf("%s: %s channel ignored (disabled)\n", 2715 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2716 continue; 2717 } 2718 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2719 pciide_pci_intr); 2720 if (cp->hw_ok == 0) 2721 continue; 2722 if (pciide_chan_candisable(cp)) { 2723 if (channel == 0) 2724 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2725 else 2726 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2727 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2728 sis_ctr0); 2729 } 2730 pciide_map_compat_intr(pa, cp, channel, interface); 2731 if (cp->hw_ok == 0) 2732 continue; 2733 sis_setup_channel(&cp->wdc_channel); 2734 } 2735 } 2736 2737 void 2738 sis_setup_channel(chp) 2739 struct channel_softc *chp; 2740 { 2741 struct ata_drive_datas *drvp; 2742 int drive; 2743 u_int32_t sis_tim; 2744 u_int32_t idedma_ctl; 2745 struct pciide_channel *cp = (struct pciide_channel*)chp; 2746 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2747 2748 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2749 "channel %d 0x%x\n", chp->channel, 2750 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2751 DEBUG_PROBE); 2752 sis_tim = 0; 2753 idedma_ctl = 0; 2754 /* setup DMA if needed */ 2755 pciide_channel_dma_setup(cp); 2756 2757 for (drive = 0; drive < 2; drive++) { 2758 drvp = &chp->ch_drive[drive]; 2759 /* If no drive, skip */ 2760 if ((drvp->drive_flags & DRIVE) == 0) 2761 continue; 2762 /* add timing values, setup DMA if needed */ 2763 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2764 (drvp->drive_flags & DRIVE_UDMA) == 0) 2765 goto pio; 2766 2767 if (drvp->drive_flags & DRIVE_UDMA) { 2768 /* use Ultra/DMA */ 2769 drvp->drive_flags &= ~DRIVE_DMA; 2770 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2771 SIS_TIM_UDMA_TIME_OFF(drive); 2772 sis_tim |= SIS_TIM_UDMA_EN(drive); 2773 } else { 2774 /* 2775 * use Multiword DMA 2776 * Timings will be used for both PIO and DMA, 2777 * so adjust DMA mode if needed 2778 */ 2779 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2780 drvp->PIO_mode = drvp->DMA_mode + 2; 2781 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2782 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2783 drvp->PIO_mode - 2 : 0; 2784 if (drvp->DMA_mode == 0) 2785 drvp->PIO_mode = 0; 2786 } 2787 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2788 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2789 SIS_TIM_ACT_OFF(drive); 2790 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2791 SIS_TIM_REC_OFF(drive); 2792 } 2793 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2794 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2795 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2796 if (idedma_ctl != 0) { 2797 /* Add software bits in status register */ 2798 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2799 IDEDMA_CTL, idedma_ctl); 2800 } 2801 pciide_print_modes(cp); 2802 } 2803 2804 void 2805 acer_chip_map(sc, pa) 2806 struct pciide_softc *sc; 2807 struct pci_attach_args *pa; 2808 { 2809 struct pciide_channel *cp; 2810 int channel; 2811 pcireg_t cr, interface; 2812 bus_size_t cmdsize, ctlsize; 2813 pcireg_t rev = PCI_REVISION(pa->pa_class); 2814 2815 if (pciide_chipen(sc, pa) == 0) 2816 return; 2817 printf("%s: bus-master DMA support present", 2818 sc->sc_wdcdev.sc_dev.dv_xname); 2819 pciide_mapreg_dma(sc, pa); 2820 printf("\n"); 2821 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2822 WDC_CAPABILITY_MODE; 2823 if (sc->sc_dma_ok) { 2824 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; 2825 if (rev >= 0x20) 2826 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2827 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2828 sc->sc_wdcdev.irqack = pciide_irqack; 2829 } 2830 2831 sc->sc_wdcdev.PIO_cap = 4; 2832 sc->sc_wdcdev.DMA_cap = 2; 2833 sc->sc_wdcdev.UDMA_cap = 2; 2834 sc->sc_wdcdev.set_modes = acer_setup_channel; 2835 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2836 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2837 2838 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2839 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2840 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2841 2842 /* Enable "microsoft register bits" R/W. */ 2843 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2844 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2845 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2846 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2847 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2848 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2849 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2850 ~ACER_CHANSTATUSREGS_RO); 2851 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2852 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2853 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2854 /* Don't use cr, re-read the real register content instead */ 2855 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2856 PCI_CLASS_REG)); 2857 2858 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2859 cp = &sc->pciide_channels[channel]; 2860 if (pciide_chansetup(sc, channel, interface) == 0) 2861 continue; 2862 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2863 printf("%s: %s channel ignored (disabled)\n", 2864 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2865 continue; 2866 } 2867 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2868 acer_pci_intr); 2869 if (cp->hw_ok == 0) 2870 continue; 2871 if (pciide_chan_candisable(cp)) { 2872 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2873 pci_conf_write(sc->sc_pc, sc->sc_tag, 2874 PCI_CLASS_REG, cr); 2875 } 2876 pciide_map_compat_intr(pa, cp, channel, interface); 2877 acer_setup_channel(&cp->wdc_channel); 2878 } 2879 } 2880 2881 void 2882 acer_setup_channel(chp) 2883 struct channel_softc *chp; 2884 { 2885 struct ata_drive_datas *drvp; 2886 int drive; 2887 u_int32_t acer_fifo_udma; 2888 u_int32_t idedma_ctl; 2889 struct pciide_channel *cp = (struct pciide_channel*)chp; 2890 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2891 2892 idedma_ctl = 0; 2893 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 2894 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 2895 acer_fifo_udma), DEBUG_PROBE); 2896 /* setup DMA if needed */ 2897 pciide_channel_dma_setup(cp); 2898 2899 for (drive = 0; drive < 2; drive++) { 2900 drvp = &chp->ch_drive[drive]; 2901 /* If no drive, skip */ 2902 if ((drvp->drive_flags & DRIVE) == 0) 2903 continue; 2904 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 2905 "channel %d drive %d 0x%x\n", chp->channel, drive, 2906 pciide_pci_read(sc->sc_pc, sc->sc_tag, 2907 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 2908 /* clear FIFO/DMA mode */ 2909 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 2910 ACER_UDMA_EN(chp->channel, drive) | 2911 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 2912 2913 /* add timing values, setup DMA if needed */ 2914 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2915 (drvp->drive_flags & DRIVE_UDMA) == 0) { 2916 acer_fifo_udma |= 2917 ACER_FTH_OPL(chp->channel, drive, 0x1); 2918 goto pio; 2919 } 2920 2921 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 2922 if (drvp->drive_flags & DRIVE_UDMA) { 2923 /* use Ultra/DMA */ 2924 drvp->drive_flags &= ~DRIVE_DMA; 2925 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 2926 acer_fifo_udma |= 2927 ACER_UDMA_TIM(chp->channel, drive, 2928 acer_udma[drvp->UDMA_mode]); 2929 } else { 2930 /* 2931 * use Multiword DMA 2932 * Timings will be used for both PIO and DMA, 2933 * so adjust DMA mode if needed 2934 */ 2935 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2936 drvp->PIO_mode = drvp->DMA_mode + 2; 2937 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2938 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2939 drvp->PIO_mode - 2 : 0; 2940 if (drvp->DMA_mode == 0) 2941 drvp->PIO_mode = 0; 2942 } 2943 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2944 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 2945 ACER_IDETIM(chp->channel, drive), 2946 acer_pio[drvp->PIO_mode]); 2947 } 2948 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 2949 acer_fifo_udma), DEBUG_PROBE); 2950 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 2951 if (idedma_ctl != 0) { 2952 /* Add software bits in status register */ 2953 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2954 IDEDMA_CTL, idedma_ctl); 2955 } 2956 pciide_print_modes(cp); 2957 } 2958 2959 int 2960 acer_pci_intr(arg) 2961 void *arg; 2962 { 2963 struct pciide_softc *sc = arg; 2964 struct pciide_channel *cp; 2965 struct channel_softc *wdc_cp; 2966 int i, rv, crv; 2967 u_int32_t chids; 2968 2969 rv = 0; 2970 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 2971 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2972 cp = &sc->pciide_channels[i]; 2973 wdc_cp = &cp->wdc_channel; 2974 /* If a compat channel skip. */ 2975 if (cp->compat) 2976 continue; 2977 if (chids & ACER_CHIDS_INT(i)) { 2978 crv = wdcintr(wdc_cp); 2979 if (crv == 0) 2980 printf("%s:%d: bogus intr\n", 2981 sc->sc_wdcdev.sc_dev.dv_xname, i); 2982 else 2983 rv = 1; 2984 } 2985 } 2986 return rv; 2987 } 2988 2989 void 2990 hpt_chip_map(sc, pa) 2991 struct pciide_softc *sc; 2992 struct pci_attach_args *pa; 2993 { 2994 struct pciide_channel *cp; 2995 int i, compatchan, revision; 2996 pcireg_t interface; 2997 bus_size_t cmdsize, ctlsize; 2998 2999 if (pciide_chipen(sc, pa) == 0) 3000 return; 3001 revision = PCI_REVISION(pa->pa_class); 3002 printf(": Triones/Highpoint "); 3003 if (revision == HPT370_REV) 3004 printf("HPT370 IDE Controller\n"); 3005 else 3006 printf("HPT366 IDE Controller\n"); 3007 3008 /* 3009 * when the chip is in native mode it identifies itself as a 3010 * 'misc mass storage'. Fake interface in this case. 3011 */ 3012 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 3013 interface = PCI_INTERFACE(pa->pa_class); 3014 } else { 3015 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 3016 PCIIDE_INTERFACE_PCI(0); 3017 if (revision == HPT370_REV) 3018 interface |= PCIIDE_INTERFACE_PCI(1); 3019 } 3020 3021 printf("%s: bus-master DMA support present", 3022 sc->sc_wdcdev.sc_dev.dv_xname); 3023 pciide_mapreg_dma(sc, pa); 3024 printf("\n"); 3025 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3026 WDC_CAPABILITY_MODE; 3027 if (sc->sc_dma_ok) { 3028 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3029 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3030 sc->sc_wdcdev.irqack = pciide_irqack; 3031 } 3032 sc->sc_wdcdev.PIO_cap = 4; 3033 sc->sc_wdcdev.DMA_cap = 2; 3034 3035 sc->sc_wdcdev.set_modes = hpt_setup_channel; 3036 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3037 if (revision == HPT366_REV) { 3038 sc->sc_wdcdev.UDMA_cap = 4; 3039 /* 3040 * The 366 has 2 PCI IDE functions, one for primary and one 3041 * for secondary. So we need to call pciide_mapregs_compat() 3042 * with the real channel 3043 */ 3044 if (pa->pa_function == 0) { 3045 compatchan = 0; 3046 } else if (pa->pa_function == 1) { 3047 compatchan = 1; 3048 } else { 3049 printf("%s: unexpected PCI function %d\n", 3050 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 3051 return; 3052 } 3053 sc->sc_wdcdev.nchannels = 1; 3054 } else { 3055 sc->sc_wdcdev.nchannels = 2; 3056 sc->sc_wdcdev.UDMA_cap = 5; 3057 } 3058 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3059 cp = &sc->pciide_channels[i]; 3060 if (sc->sc_wdcdev.nchannels > 1) { 3061 compatchan = i; 3062 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 3063 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 3064 printf("%s: %s channel ignored (disabled)\n", 3065 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3066 continue; 3067 } 3068 } 3069 if (pciide_chansetup(sc, i, interface) == 0) 3070 continue; 3071 if (interface & PCIIDE_INTERFACE_PCI(i)) { 3072 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 3073 &ctlsize, hpt_pci_intr); 3074 } else { 3075 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 3076 &cmdsize, &ctlsize); 3077 } 3078 if (cp->hw_ok == 0) 3079 return; 3080 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3081 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3082 wdcattach(&cp->wdc_channel); 3083 hpt_setup_channel(&cp->wdc_channel); 3084 } 3085 if (revision == HPT370_REV) { 3086 /* 3087 * HPT370_REV has a bit to disable interrupts, make sure 3088 * to clear it 3089 */ 3090 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 3091 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 3092 ~HPT_CSEL_IRQDIS); 3093 } 3094 return; 3095 } 3096 3097 void 3098 hpt_setup_channel(chp) 3099 struct channel_softc *chp; 3100 { 3101 struct ata_drive_datas *drvp; 3102 int drive; 3103 int cable; 3104 u_int32_t before, after; 3105 u_int32_t idedma_ctl; 3106 struct pciide_channel *cp = (struct pciide_channel*)chp; 3107 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3108 3109 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 3110 3111 /* setup DMA if needed */ 3112 pciide_channel_dma_setup(cp); 3113 3114 idedma_ctl = 0; 3115 3116 /* Per drive settings */ 3117 for (drive = 0; drive < 2; drive++) { 3118 drvp = &chp->ch_drive[drive]; 3119 /* If no drive, skip */ 3120 if ((drvp->drive_flags & DRIVE) == 0) 3121 continue; 3122 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 3123 HPT_IDETIM(chp->channel, drive)); 3124 3125 /* add timing values, setup DMA if needed */ 3126 if (drvp->drive_flags & DRIVE_UDMA) { 3127 /* use Ultra/DMA */ 3128 drvp->drive_flags &= ~DRIVE_DMA; 3129 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 3130 drvp->UDMA_mode > 2) 3131 drvp->UDMA_mode = 2; 3132 after = (sc->sc_wdcdev.nchannels == 2) ? 3133 hpt370_udma[drvp->UDMA_mode] : 3134 hpt366_udma[drvp->UDMA_mode]; 3135 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3136 } else if (drvp->drive_flags & DRIVE_DMA) { 3137 /* 3138 * use Multiword DMA. 3139 * Timings will be used for both PIO and DMA, so adjust 3140 * DMA mode if needed 3141 */ 3142 if (drvp->PIO_mode >= 3 && 3143 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 3144 drvp->DMA_mode = drvp->PIO_mode - 2; 3145 } 3146 after = (sc->sc_wdcdev.nchannels == 2) ? 3147 hpt370_dma[drvp->DMA_mode] : 3148 hpt366_dma[drvp->DMA_mode]; 3149 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3150 } else { 3151 /* PIO only */ 3152 after = (sc->sc_wdcdev.nchannels == 2) ? 3153 hpt370_pio[drvp->PIO_mode] : 3154 hpt366_pio[drvp->PIO_mode]; 3155 } 3156 pci_conf_write(sc->sc_pc, sc->sc_tag, 3157 HPT_IDETIM(chp->channel, drive), after); 3158 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 3159 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 3160 after, before), DEBUG_PROBE); 3161 } 3162 if (idedma_ctl != 0) { 3163 /* Add software bits in status register */ 3164 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3165 IDEDMA_CTL, idedma_ctl); 3166 } 3167 pciide_print_modes(cp); 3168 } 3169 3170 int 3171 hpt_pci_intr(arg) 3172 void *arg; 3173 { 3174 struct pciide_softc *sc = arg; 3175 struct pciide_channel *cp; 3176 struct channel_softc *wdc_cp; 3177 int rv = 0; 3178 int dmastat, i, crv; 3179 3180 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3181 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3182 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3183 if((dmastat & IDEDMA_CTL_INTR) == 0) 3184 continue; 3185 cp = &sc->pciide_channels[i]; 3186 wdc_cp = &cp->wdc_channel; 3187 crv = wdcintr(wdc_cp); 3188 if (crv == 0) { 3189 printf("%s:%d: bogus intr\n", 3190 sc->sc_wdcdev.sc_dev.dv_xname, i); 3191 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3192 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 3193 } else 3194 rv = 1; 3195 } 3196 return rv; 3197 } 3198 3199 3200 /* Macros to test product */ 3201 #define PDC_IS_262(sc) \ 3202 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 3203 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3204 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3205 #define PDC_IS_265(sc) \ 3206 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3207 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3208 3209 void 3210 pdc202xx_chip_map(sc, pa) 3211 struct pciide_softc *sc; 3212 struct pci_attach_args *pa; 3213 { 3214 struct pciide_channel *cp; 3215 int channel; 3216 pcireg_t interface, st, mode; 3217 bus_size_t cmdsize, ctlsize; 3218 3219 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3220 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 3221 DEBUG_PROBE); 3222 if (pciide_chipen(sc, pa) == 0) 3223 return; 3224 3225 /* turn off RAID mode */ 3226 st &= ~PDC2xx_STATE_IDERAID; 3227 3228 /* 3229 * can't rely on the PCI_CLASS_REG content if the chip was in raid 3230 * mode. We have to fake interface 3231 */ 3232 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 3233 if (st & PDC2xx_STATE_NATIVE) 3234 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3235 3236 printf("%s: bus-master DMA support present", 3237 sc->sc_wdcdev.sc_dev.dv_xname); 3238 pciide_mapreg_dma(sc, pa); 3239 printf("\n"); 3240 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3241 WDC_CAPABILITY_MODE; 3242 if (sc->sc_dma_ok) { 3243 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3244 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3245 sc->sc_wdcdev.irqack = pciide_irqack; 3246 } 3247 sc->sc_wdcdev.PIO_cap = 4; 3248 sc->sc_wdcdev.DMA_cap = 2; 3249 if (PDC_IS_265(sc)) 3250 sc->sc_wdcdev.UDMA_cap = 5; 3251 else if (PDC_IS_262(sc)) 3252 sc->sc_wdcdev.UDMA_cap = 4; 3253 else 3254 sc->sc_wdcdev.UDMA_cap = 2; 3255 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3256 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3257 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3258 3259 /* setup failsafe defaults */ 3260 mode = 0; 3261 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3262 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3263 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3264 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3265 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3266 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3267 "initial timings 0x%x, now 0x%x\n", channel, 3268 pci_conf_read(sc->sc_pc, sc->sc_tag, 3269 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3270 DEBUG_PROBE); 3271 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3272 mode | PDC2xx_TIM_IORDYp); 3273 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3274 "initial timings 0x%x, now 0x%x\n", channel, 3275 pci_conf_read(sc->sc_pc, sc->sc_tag, 3276 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3277 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3278 mode); 3279 } 3280 3281 mode = PDC2xx_SCR_DMA; 3282 if (PDC_IS_262(sc)) { 3283 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3284 } else { 3285 /* the BIOS set it up this way */ 3286 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3287 } 3288 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3289 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3290 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3291 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3292 DEBUG_PROBE); 3293 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3294 3295 /* controller initial state register is OK even without BIOS */ 3296 /* Set DMA mode to IDE DMA compatibility */ 3297 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3298 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3299 DEBUG_PROBE); 3300 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3301 mode | 0x1); 3302 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3303 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3304 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3305 mode | 0x1); 3306 3307 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3308 cp = &sc->pciide_channels[channel]; 3309 if (pciide_chansetup(sc, channel, interface) == 0) 3310 continue; 3311 if ((st & (PDC_IS_262(sc) ? 3312 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3313 printf("%s: %s channel ignored (disabled)\n", 3314 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3315 continue; 3316 } 3317 if (PDC_IS_265(sc)) 3318 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3319 pdc20265_pci_intr); 3320 else 3321 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3322 pdc202xx_pci_intr); 3323 if (cp->hw_ok == 0) 3324 continue; 3325 if (pciide_chan_candisable(cp)) 3326 st &= ~(PDC_IS_262(sc) ? 3327 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3328 pciide_map_compat_intr(pa, cp, channel, interface); 3329 pdc202xx_setup_channel(&cp->wdc_channel); 3330 } 3331 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3332 DEBUG_PROBE); 3333 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3334 return; 3335 } 3336 3337 void 3338 pdc202xx_setup_channel(chp) 3339 struct channel_softc *chp; 3340 { 3341 struct ata_drive_datas *drvp; 3342 int drive; 3343 pcireg_t mode, st; 3344 u_int32_t idedma_ctl, scr, atapi; 3345 struct pciide_channel *cp = (struct pciide_channel*)chp; 3346 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3347 int channel = chp->channel; 3348 3349 /* setup DMA if needed */ 3350 pciide_channel_dma_setup(cp); 3351 3352 idedma_ctl = 0; 3353 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n", 3354 sc->sc_wdcdev.sc_dev.dv_xname, 3355 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)), 3356 DEBUG_PROBE); 3357 3358 /* Per channel settings */ 3359 if (PDC_IS_262(sc)) { 3360 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3361 PDC262_U66); 3362 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3363 /* Trimm UDMA mode */ 3364 if ((st & PDC262_STATE_80P(channel)) != 0 || 3365 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3366 chp->ch_drive[0].UDMA_mode <= 2) || 3367 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3368 chp->ch_drive[1].UDMA_mode <= 2)) { 3369 if (chp->ch_drive[0].UDMA_mode > 2) 3370 chp->ch_drive[0].UDMA_mode = 2; 3371 if (chp->ch_drive[1].UDMA_mode > 2) 3372 chp->ch_drive[1].UDMA_mode = 2; 3373 } 3374 /* Set U66 if needed */ 3375 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3376 chp->ch_drive[0].UDMA_mode > 2) || 3377 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3378 chp->ch_drive[1].UDMA_mode > 2)) 3379 scr |= PDC262_U66_EN(channel); 3380 else 3381 scr &= ~PDC262_U66_EN(channel); 3382 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3383 PDC262_U66, scr); 3384 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n", 3385 sc->sc_wdcdev.sc_dev.dv_xname, channel, 3386 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3387 PDC262_ATAPI(channel))), DEBUG_PROBE); 3388 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3389 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3390 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3391 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3392 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3393 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3394 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3395 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3396 atapi = 0; 3397 else 3398 atapi = PDC262_ATAPI_UDMA; 3399 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3400 PDC262_ATAPI(channel), atapi); 3401 } 3402 } 3403 for (drive = 0; drive < 2; drive++) { 3404 drvp = &chp->ch_drive[drive]; 3405 /* If no drive, skip */ 3406 if ((drvp->drive_flags & DRIVE) == 0) 3407 continue; 3408 mode = 0; 3409 if (drvp->drive_flags & DRIVE_UDMA) { 3410 /* use Ultra/DMA */ 3411 drvp->drive_flags &= ~DRIVE_DMA; 3412 mode = PDC2xx_TIM_SET_MB(mode, 3413 pdc2xx_udma_mb[drvp->UDMA_mode]); 3414 mode = PDC2xx_TIM_SET_MC(mode, 3415 pdc2xx_udma_mc[drvp->UDMA_mode]); 3416 drvp->drive_flags &= ~DRIVE_DMA; 3417 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3418 } else if (drvp->drive_flags & DRIVE_DMA) { 3419 mode = PDC2xx_TIM_SET_MB(mode, 3420 pdc2xx_dma_mb[drvp->DMA_mode]); 3421 mode = PDC2xx_TIM_SET_MC(mode, 3422 pdc2xx_dma_mc[drvp->DMA_mode]); 3423 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3424 } else { 3425 mode = PDC2xx_TIM_SET_MB(mode, 3426 pdc2xx_dma_mb[0]); 3427 mode = PDC2xx_TIM_SET_MC(mode, 3428 pdc2xx_dma_mc[0]); 3429 } 3430 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3431 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3432 if (drvp->drive_flags & DRIVE_ATA) 3433 mode |= PDC2xx_TIM_PRE; 3434 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3435 if (drvp->PIO_mode >= 3) { 3436 mode |= PDC2xx_TIM_IORDY; 3437 if (drive == 0) 3438 mode |= PDC2xx_TIM_IORDYp; 3439 } 3440 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3441 "timings 0x%x\n", 3442 sc->sc_wdcdev.sc_dev.dv_xname, 3443 chp->channel, drive, mode), DEBUG_PROBE); 3444 pci_conf_write(sc->sc_pc, sc->sc_tag, 3445 PDC2xx_TIM(chp->channel, drive), mode); 3446 } 3447 if (idedma_ctl != 0) { 3448 /* Add software bits in status register */ 3449 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3450 IDEDMA_CTL, idedma_ctl); 3451 } 3452 pciide_print_modes(cp); 3453 } 3454 3455 int 3456 pdc202xx_pci_intr(arg) 3457 void *arg; 3458 { 3459 struct pciide_softc *sc = arg; 3460 struct pciide_channel *cp; 3461 struct channel_softc *wdc_cp; 3462 int i, rv, crv; 3463 u_int32_t scr; 3464 3465 rv = 0; 3466 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3467 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3468 cp = &sc->pciide_channels[i]; 3469 wdc_cp = &cp->wdc_channel; 3470 /* If a compat channel skip. */ 3471 if (cp->compat) 3472 continue; 3473 if (scr & PDC2xx_SCR_INT(i)) { 3474 crv = wdcintr(wdc_cp); 3475 if (crv == 0) 3476 printf("%s:%d: bogus intr (reg 0x%x)\n", 3477 sc->sc_wdcdev.sc_dev.dv_xname, i, scr); 3478 else 3479 rv = 1; 3480 } 3481 } 3482 return rv; 3483 } 3484 3485 int 3486 pdc20265_pci_intr(arg) 3487 void *arg; 3488 { 3489 struct pciide_softc *sc = arg; 3490 struct pciide_channel *cp; 3491 struct channel_softc *wdc_cp; 3492 int i, rv, crv; 3493 u_int32_t dmastat; 3494 3495 rv = 0; 3496 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3497 cp = &sc->pciide_channels[i]; 3498 wdc_cp = &cp->wdc_channel; 3499 /* If a compat channel skip. */ 3500 if (cp->compat) 3501 continue; 3502 /* 3503 * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously, 3504 * however it asserts INT in IDEDMA_CTL even for non-DMA ops. 3505 * So use it instead (requires 2 reg reads instead of 1, 3506 * but we can't do it another way). 3507 */ 3508 dmastat = bus_space_read_1(sc->sc_dma_iot, 3509 sc->sc_dma_ioh, IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3510 if((dmastat & IDEDMA_CTL_INTR) == 0) 3511 continue; 3512 crv = wdcintr(wdc_cp); 3513 if (crv == 0) 3514 printf("%s:%d: bogus intr\n", 3515 sc->sc_wdcdev.sc_dev.dv_xname, i); 3516 else 3517 rv = 1; 3518 } 3519 return rv; 3520 } 3521 3522 void 3523 opti_chip_map(sc, pa) 3524 struct pciide_softc *sc; 3525 struct pci_attach_args *pa; 3526 { 3527 struct pciide_channel *cp; 3528 bus_size_t cmdsize, ctlsize; 3529 pcireg_t interface; 3530 u_int8_t init_ctrl; 3531 int channel; 3532 3533 if (pciide_chipen(sc, pa) == 0) 3534 return; 3535 printf("%s: bus-master DMA support present", 3536 sc->sc_wdcdev.sc_dev.dv_xname); 3537 pciide_mapreg_dma(sc, pa); 3538 printf("\n"); 3539 3540 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3541 WDC_CAPABILITY_MODE; 3542 sc->sc_wdcdev.PIO_cap = 4; 3543 if (sc->sc_dma_ok) { 3544 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3545 sc->sc_wdcdev.irqack = pciide_irqack; 3546 sc->sc_wdcdev.DMA_cap = 2; 3547 } 3548 sc->sc_wdcdev.set_modes = opti_setup_channel; 3549 3550 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3551 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3552 3553 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3554 OPTI_REG_INIT_CONTROL); 3555 3556 interface = PCI_INTERFACE(pa->pa_class); 3557 3558 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3559 cp = &sc->pciide_channels[channel]; 3560 if (pciide_chansetup(sc, channel, interface) == 0) 3561 continue; 3562 if (channel == 1 && 3563 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3564 printf("%s: %s channel ignored (disabled)\n", 3565 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3566 continue; 3567 } 3568 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3569 pciide_pci_intr); 3570 if (cp->hw_ok == 0) 3571 continue; 3572 pciide_map_compat_intr(pa, cp, channel, interface); 3573 if (cp->hw_ok == 0) 3574 continue; 3575 opti_setup_channel(&cp->wdc_channel); 3576 } 3577 } 3578 3579 void 3580 opti_setup_channel(chp) 3581 struct channel_softc *chp; 3582 { 3583 struct ata_drive_datas *drvp; 3584 struct pciide_channel *cp = (struct pciide_channel*)chp; 3585 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3586 int drive, spd; 3587 int mode[2]; 3588 u_int8_t rv, mr; 3589 3590 /* 3591 * The `Delay' and `Address Setup Time' fields of the 3592 * Miscellaneous Register are always zero initially. 3593 */ 3594 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3595 mr &= ~(OPTI_MISC_DELAY_MASK | 3596 OPTI_MISC_ADDR_SETUP_MASK | 3597 OPTI_MISC_INDEX_MASK); 3598 3599 /* Prime the control register before setting timing values */ 3600 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3601 3602 /* Determine the clockrate of the PCIbus the chip is attached to */ 3603 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3604 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3605 3606 /* setup DMA if needed */ 3607 pciide_channel_dma_setup(cp); 3608 3609 for (drive = 0; drive < 2; drive++) { 3610 drvp = &chp->ch_drive[drive]; 3611 /* If no drive, skip */ 3612 if ((drvp->drive_flags & DRIVE) == 0) { 3613 mode[drive] = -1; 3614 continue; 3615 } 3616 3617 if ((drvp->drive_flags & DRIVE_DMA)) { 3618 /* 3619 * Timings will be used for both PIO and DMA, 3620 * so adjust DMA mode if needed 3621 */ 3622 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3623 drvp->PIO_mode = drvp->DMA_mode + 2; 3624 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3625 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3626 drvp->PIO_mode - 2 : 0; 3627 if (drvp->DMA_mode == 0) 3628 drvp->PIO_mode = 0; 3629 3630 mode[drive] = drvp->DMA_mode + 5; 3631 } else 3632 mode[drive] = drvp->PIO_mode; 3633 3634 if (drive && mode[0] >= 0 && 3635 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3636 /* 3637 * Can't have two drives using different values 3638 * for `Address Setup Time'. 3639 * Slow down the faster drive to compensate. 3640 */ 3641 int d = (opti_tim_as[spd][mode[0]] > 3642 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3643 3644 mode[d] = mode[1-d]; 3645 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3646 chp->ch_drive[d].DMA_mode = 0; 3647 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3648 } 3649 } 3650 3651 for (drive = 0; drive < 2; drive++) { 3652 int m; 3653 if ((m = mode[drive]) < 0) 3654 continue; 3655 3656 /* Set the Address Setup Time and select appropriate index */ 3657 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3658 rv |= OPTI_MISC_INDEX(drive); 3659 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3660 3661 /* Set the pulse width and recovery timing parameters */ 3662 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3663 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3664 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3665 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3666 3667 /* Set the Enhanced Mode register appropriately */ 3668 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3669 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3670 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3671 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3672 } 3673 3674 /* Finally, enable the timings */ 3675 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3676 3677 pciide_print_modes(cp); 3678 } 3679
Indexes created Thu Oct 02 10:09:58 GMT 2025