pciide.c revision 1.109
1 /* $NetBSD: pciide.c,v 1.109 2001/03/20 17:54:39 bouyer Exp $ */ 2 3 4 /* 5 * Copyright (c) 1999 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 37 /* 38 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by Christopher G. Demetriou 51 * for the NetBSD Project. 52 * 4. The name of the author may not be used to endorse or promote products 53 * derived from this software without specific prior written permission 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 /* 68 * PCI IDE controller driver. 69 * 70 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 71 * sys/dev/pci/ppb.c, revision 1.16). 72 * 73 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and 74 * "Programming Interface for Bus Master IDE Controller, Revision 1.0 75 * 5/16/94" from the PCI SIG. 76 * 77 */ 78 79 #ifndef WDCDEBUG 80 #define WDCDEBUG 81 #endif 82 83 #define DEBUG_DMA 0x01 84 #define DEBUG_XFERS 0x02 85 #define DEBUG_FUNCS 0x08 86 #define DEBUG_PROBE 0x10 87 #ifdef WDCDEBUG 88 int wdcdebug_pciide_mask = 0; 89 #define WDCDEBUG_PRINT(args, level) \ 90 if (wdcdebug_pciide_mask & (level)) printf args 91 #else 92 #define WDCDEBUG_PRINT(args, level) 93 #endif 94 #include <sys/param.h> 95 #include <sys/systm.h> 96 #include <sys/device.h> 97 #include <sys/malloc.h> 98 99 #include <uvm/uvm_extern.h> 100 101 #include <machine/endian.h> 102 103 #include <dev/pci/pcireg.h> 104 #include <dev/pci/pcivar.h> 105 #include <dev/pci/pcidevs.h> 106 #include <dev/pci/pciidereg.h> 107 #include <dev/pci/pciidevar.h> 108 #include <dev/pci/pciide_piix_reg.h> 109 #include <dev/pci/pciide_amd_reg.h> 110 #include <dev/pci/pciide_apollo_reg.h> 111 #include <dev/pci/pciide_cmd_reg.h> 112 #include <dev/pci/pciide_cy693_reg.h> 113 #include <dev/pci/pciide_sis_reg.h> 114 #include <dev/pci/pciide_acer_reg.h> 115 #include <dev/pci/pciide_pdc202xx_reg.h> 116 #include <dev/pci/pciide_opti_reg.h> 117 #include <dev/pci/pciide_hpt_reg.h> 118 #include <dev/pci/cy82c693var.h> 119 120 #include "opt_pciide.h" 121 122 /* inlines for reading/writing 8-bit PCI registers */ 123 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 124 int)); 125 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 126 int, u_int8_t)); 127 128 static __inline u_int8_t 129 pciide_pci_read(pc, pa, reg) 130 pci_chipset_tag_t pc; 131 pcitag_t pa; 132 int reg; 133 { 134 135 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 136 ((reg & 0x03) * 8) & 0xff); 137 } 138 139 static __inline void 140 pciide_pci_write(pc, pa, reg, val) 141 pci_chipset_tag_t pc; 142 pcitag_t pa; 143 int reg; 144 u_int8_t val; 145 { 146 pcireg_t pcival; 147 148 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 149 pcival &= ~(0xff << ((reg & 0x03) * 8)); 150 pcival |= (val << ((reg & 0x03) * 8)); 151 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 152 } 153 154 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 155 156 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 157 void piix_setup_channel __P((struct channel_softc*)); 158 void piix3_4_setup_channel __P((struct channel_softc*)); 159 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 160 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 161 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 162 163 void amd756_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 164 void amd756_setup_channel __P((struct channel_softc*)); 165 166 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 167 void apollo_setup_channel __P((struct channel_softc*)); 168 169 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 170 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 171 void cmd0643_9_setup_channel __P((struct channel_softc*)); 172 void cmd_channel_map __P((struct pci_attach_args *, 173 struct pciide_softc *, int)); 174 int cmd_pci_intr __P((void *)); 175 void cmd646_9_irqack __P((struct channel_softc *)); 176 177 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 178 void cy693_setup_channel __P((struct channel_softc*)); 179 180 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 181 void sis_setup_channel __P((struct channel_softc*)); 182 183 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 184 void acer_setup_channel __P((struct channel_softc*)); 185 int acer_pci_intr __P((void *)); 186 187 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 188 void pdc202xx_setup_channel __P((struct channel_softc*)); 189 int pdc202xx_pci_intr __P((void *)); 190 int pdc20265_pci_intr __P((void *)); 191 192 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 193 void opti_setup_channel __P((struct channel_softc*)); 194 195 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 196 void hpt_setup_channel __P((struct channel_softc*)); 197 int hpt_pci_intr __P((void *)); 198 199 void pciide_channel_dma_setup __P((struct pciide_channel *)); 200 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 201 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 202 void pciide_dma_start __P((void*, int, int)); 203 int pciide_dma_finish __P((void*, int, int, int)); 204 void pciide_irqack __P((struct channel_softc *)); 205 void pciide_print_modes __P((struct pciide_channel *)); 206 207 struct pciide_product_desc { 208 u_int32_t ide_product; 209 int ide_flags; 210 const char *ide_name; 211 /* map and setup chip, probe drives */ 212 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 213 }; 214 215 /* Flags for ide_flags */ 216 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 217 #define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */ 218 219 /* Default product description for devices not known from this controller */ 220 const struct pciide_product_desc default_product_desc = { 221 0, 222 0, 223 "Generic PCI IDE controller", 224 default_chip_map, 225 }; 226 227 const struct pciide_product_desc pciide_intel_products[] = { 228 { PCI_PRODUCT_INTEL_82092AA, 229 0, 230 "Intel 82092AA IDE controller", 231 default_chip_map, 232 }, 233 { PCI_PRODUCT_INTEL_82371FB_IDE, 234 0, 235 "Intel 82371FB IDE controller (PIIX)", 236 piix_chip_map, 237 }, 238 { PCI_PRODUCT_INTEL_82371SB_IDE, 239 0, 240 "Intel 82371SB IDE Interface (PIIX3)", 241 piix_chip_map, 242 }, 243 { PCI_PRODUCT_INTEL_82371AB_IDE, 244 0, 245 "Intel 82371AB IDE controller (PIIX4)", 246 piix_chip_map, 247 }, 248 { PCI_PRODUCT_INTEL_82440MX_IDE, 249 0, 250 "Intel 82440MX IDE controller", 251 piix_chip_map 252 }, 253 { PCI_PRODUCT_INTEL_82801AA_IDE, 254 0, 255 "Intel 82801AA IDE Controller (ICH)", 256 piix_chip_map, 257 }, 258 { PCI_PRODUCT_INTEL_82801AB_IDE, 259 0, 260 "Intel 82801AB IDE Controller (ICH0)", 261 piix_chip_map, 262 }, 263 { PCI_PRODUCT_INTEL_82801BA_IDE, 264 0, 265 "Intel 82801BA IDE Controller (ICH2)", 266 piix_chip_map, 267 }, 268 { PCI_PRODUCT_INTEL_82801BAM_IDE, 269 0, 270 "Intel 82801BAM IDE Controller (ICH2)", 271 piix_chip_map, 272 }, 273 { 0, 274 0, 275 NULL, 276 } 277 }; 278 279 const struct pciide_product_desc pciide_amd_products[] = { 280 { PCI_PRODUCT_AMD_PBC756_IDE, 281 0, 282 "Advanced Micro Devices AMD756 IDE Controller", 283 amd756_chip_map 284 }, 285 { 0, 286 0, 287 NULL, 288 } 289 }; 290 291 const struct pciide_product_desc pciide_cmd_products[] = { 292 { PCI_PRODUCT_CMDTECH_640, 293 0, 294 "CMD Technology PCI0640", 295 cmd_chip_map 296 }, 297 { PCI_PRODUCT_CMDTECH_643, 298 0, 299 "CMD Technology PCI0643", 300 cmd0643_9_chip_map, 301 }, 302 { PCI_PRODUCT_CMDTECH_646, 303 0, 304 "CMD Technology PCI0646", 305 cmd0643_9_chip_map, 306 }, 307 { PCI_PRODUCT_CMDTECH_648, 308 IDE_PCI_CLASS_OVERRIDE, 309 "CMD Technology PCI0648", 310 cmd0643_9_chip_map, 311 }, 312 { PCI_PRODUCT_CMDTECH_649, 313 IDE_PCI_CLASS_OVERRIDE, 314 "CMD Technology PCI0649", 315 cmd0643_9_chip_map, 316 }, 317 { 0, 318 0, 319 NULL, 320 } 321 }; 322 323 const struct pciide_product_desc pciide_via_products[] = { 324 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 325 0, 326 "VIA Tech VT82C586 IDE Controller", 327 apollo_chip_map, 328 }, 329 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 330 0, 331 "VIA Tech VT82C586A IDE Controller", 332 apollo_chip_map, 333 }, 334 { 0, 335 0, 336 NULL, 337 } 338 }; 339 340 const struct pciide_product_desc pciide_cypress_products[] = { 341 { PCI_PRODUCT_CONTAQ_82C693, 342 IDE_16BIT_IOSPACE, 343 "Cypress 82C693 IDE Controller", 344 cy693_chip_map, 345 }, 346 { 0, 347 0, 348 NULL, 349 } 350 }; 351 352 const struct pciide_product_desc pciide_sis_products[] = { 353 { PCI_PRODUCT_SIS_5597_IDE, 354 0, 355 "Silicon Integrated System 5597/5598 IDE controller", 356 sis_chip_map, 357 }, 358 { 0, 359 0, 360 NULL, 361 } 362 }; 363 364 const struct pciide_product_desc pciide_acer_products[] = { 365 { PCI_PRODUCT_ALI_M5229, 366 0, 367 "Acer Labs M5229 UDMA IDE Controller", 368 acer_chip_map, 369 }, 370 { 0, 371 0, 372 NULL, 373 } 374 }; 375 376 const struct pciide_product_desc pciide_promise_products[] = { 377 { PCI_PRODUCT_PROMISE_ULTRA33, 378 IDE_PCI_CLASS_OVERRIDE, 379 "Promise Ultra33/ATA Bus Master IDE Accelerator", 380 pdc202xx_chip_map, 381 }, 382 { PCI_PRODUCT_PROMISE_ULTRA66, 383 IDE_PCI_CLASS_OVERRIDE, 384 "Promise Ultra66/ATA Bus Master IDE Accelerator", 385 pdc202xx_chip_map, 386 }, 387 { PCI_PRODUCT_PROMISE_ULTRA100, 388 IDE_PCI_CLASS_OVERRIDE, 389 "Promise Ultra100/ATA Bus Master IDE Accelerator", 390 pdc202xx_chip_map, 391 }, 392 { PCI_PRODUCT_PROMISE_ULTRA100X, 393 IDE_PCI_CLASS_OVERRIDE, 394 "Promise Ultra100/ATA Bus Master IDE Accelerator", 395 pdc202xx_chip_map, 396 }, 397 { 0, 398 0, 399 NULL, 400 } 401 }; 402 403 const struct pciide_product_desc pciide_opti_products[] = { 404 { PCI_PRODUCT_OPTI_82C621, 405 0, 406 "OPTi 82c621 PCI IDE controller", 407 opti_chip_map, 408 }, 409 { PCI_PRODUCT_OPTI_82C568, 410 0, 411 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 412 opti_chip_map, 413 }, 414 { PCI_PRODUCT_OPTI_82D568, 415 0, 416 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 417 opti_chip_map, 418 }, 419 { 0, 420 0, 421 NULL, 422 } 423 }; 424 425 const struct pciide_product_desc pciide_triones_products[] = { 426 { PCI_PRODUCT_TRIONES_HPT366, 427 IDE_PCI_CLASS_OVERRIDE, 428 "Triones/Highpoint HPT366/370 IDE Controller", 429 hpt_chip_map, 430 }, 431 { 0, 432 0, 433 NULL, 434 } 435 }; 436 437 struct pciide_vendor_desc { 438 u_int32_t ide_vendor; 439 const struct pciide_product_desc *ide_products; 440 }; 441 442 const struct pciide_vendor_desc pciide_vendors[] = { 443 { PCI_VENDOR_INTEL, pciide_intel_products }, 444 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 445 { PCI_VENDOR_VIATECH, pciide_via_products }, 446 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 447 { PCI_VENDOR_SIS, pciide_sis_products }, 448 { PCI_VENDOR_ALI, pciide_acer_products }, 449 { PCI_VENDOR_PROMISE, pciide_promise_products }, 450 { PCI_VENDOR_AMD, pciide_amd_products }, 451 { PCI_VENDOR_OPTI, pciide_opti_products }, 452 { PCI_VENDOR_TRIONES, pciide_triones_products }, 453 { 0, NULL } 454 }; 455 456 /* options passed via the 'flags' config keyword */ 457 #define PCIIDE_OPTIONS_DMA 0x01 458 459 int pciide_match __P((struct device *, struct cfdata *, void *)); 460 void pciide_attach __P((struct device *, struct device *, void *)); 461 462 struct cfattach pciide_ca = { 463 sizeof(struct pciide_softc), pciide_match, pciide_attach 464 }; 465 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 466 int pciide_mapregs_compat __P(( struct pci_attach_args *, 467 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 468 int pciide_mapregs_native __P((struct pci_attach_args *, 469 struct pciide_channel *, bus_size_t *, bus_size_t *, 470 int (*pci_intr) __P((void *)))); 471 void pciide_mapreg_dma __P((struct pciide_softc *, 472 struct pci_attach_args *)); 473 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 474 void pciide_mapchan __P((struct pci_attach_args *, 475 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 476 int (*pci_intr) __P((void *)))); 477 int pciide_chan_candisable __P((struct pciide_channel *)); 478 void pciide_map_compat_intr __P(( struct pci_attach_args *, 479 struct pciide_channel *, int, int)); 480 int pciide_print __P((void *, const char *pnp)); 481 int pciide_compat_intr __P((void *)); 482 int pciide_pci_intr __P((void *)); 483 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 484 485 const struct pciide_product_desc * 486 pciide_lookup_product(id) 487 u_int32_t id; 488 { 489 const struct pciide_product_desc *pp; 490 const struct pciide_vendor_desc *vp; 491 492 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 493 if (PCI_VENDOR(id) == vp->ide_vendor) 494 break; 495 496 if ((pp = vp->ide_products) == NULL) 497 return NULL; 498 499 for (; pp->ide_name != NULL; pp++) 500 if (PCI_PRODUCT(id) == pp->ide_product) 501 break; 502 503 if (pp->ide_name == NULL) 504 return NULL; 505 return pp; 506 } 507 508 int 509 pciide_match(parent, match, aux) 510 struct device *parent; 511 struct cfdata *match; 512 void *aux; 513 { 514 struct pci_attach_args *pa = aux; 515 const struct pciide_product_desc *pp; 516 517 /* 518 * Check the ID register to see that it's a PCI IDE controller. 519 * If it is, we assume that we can deal with it; it _should_ 520 * work in a standardized way... 521 */ 522 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 523 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 524 return (1); 525 } 526 527 /* 528 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 529 * controllers. Let see if we can deal with it anyway. 530 */ 531 pp = pciide_lookup_product(pa->pa_id); 532 if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 533 return (1); 534 } 535 536 return (0); 537 } 538 539 void 540 pciide_attach(parent, self, aux) 541 struct device *parent, *self; 542 void *aux; 543 { 544 struct pci_attach_args *pa = aux; 545 pci_chipset_tag_t pc = pa->pa_pc; 546 pcitag_t tag = pa->pa_tag; 547 struct pciide_softc *sc = (struct pciide_softc *)self; 548 pcireg_t csr; 549 char devinfo[256]; 550 const char *displaydev; 551 552 sc->sc_pp = pciide_lookup_product(pa->pa_id); 553 if (sc->sc_pp == NULL) { 554 sc->sc_pp = &default_product_desc; 555 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 556 displaydev = devinfo; 557 } else 558 displaydev = sc->sc_pp->ide_name; 559 560 printf(": %s (rev. 0x%02x)\n", displaydev, PCI_REVISION(pa->pa_class)); 561 562 sc->sc_pc = pa->pa_pc; 563 sc->sc_tag = pa->pa_tag; 564 #ifdef WDCDEBUG 565 if (wdcdebug_pciide_mask & DEBUG_PROBE) 566 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 567 #endif 568 sc->sc_pp->chip_map(sc, pa); 569 570 if (sc->sc_dma_ok) { 571 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 572 csr |= PCI_COMMAND_MASTER_ENABLE; 573 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 574 } 575 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 576 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 577 } 578 579 /* tell wether the chip is enabled or not */ 580 int 581 pciide_chipen(sc, pa) 582 struct pciide_softc *sc; 583 struct pci_attach_args *pa; 584 { 585 pcireg_t csr; 586 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 587 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 588 PCI_COMMAND_STATUS_REG); 589 printf("%s: device disabled (at %s)\n", 590 sc->sc_wdcdev.sc_dev.dv_xname, 591 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 592 "device" : "bridge"); 593 return 0; 594 } 595 return 1; 596 } 597 598 int 599 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 600 struct pci_attach_args *pa; 601 struct pciide_channel *cp; 602 int compatchan; 603 bus_size_t *cmdsizep, *ctlsizep; 604 { 605 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 606 struct channel_softc *wdc_cp = &cp->wdc_channel; 607 608 cp->compat = 1; 609 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 610 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 611 612 wdc_cp->cmd_iot = pa->pa_iot; 613 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 614 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 615 printf("%s: couldn't map %s channel cmd regs\n", 616 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 617 return (0); 618 } 619 620 wdc_cp->ctl_iot = pa->pa_iot; 621 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 622 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 623 printf("%s: couldn't map %s channel ctl regs\n", 624 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 625 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 626 PCIIDE_COMPAT_CMD_SIZE); 627 return (0); 628 } 629 630 return (1); 631 } 632 633 int 634 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 635 struct pci_attach_args * pa; 636 struct pciide_channel *cp; 637 bus_size_t *cmdsizep, *ctlsizep; 638 int (*pci_intr) __P((void *)); 639 { 640 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 641 struct channel_softc *wdc_cp = &cp->wdc_channel; 642 const char *intrstr; 643 pci_intr_handle_t intrhandle; 644 645 cp->compat = 0; 646 647 if (sc->sc_pci_ih == NULL) { 648 if (pci_intr_map(pa, &intrhandle) != 0) { 649 printf("%s: couldn't map native-PCI interrupt\n", 650 sc->sc_wdcdev.sc_dev.dv_xname); 651 return 0; 652 } 653 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 654 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 655 intrhandle, IPL_BIO, pci_intr, sc); 656 if (sc->sc_pci_ih != NULL) { 657 printf("%s: using %s for native-PCI interrupt\n", 658 sc->sc_wdcdev.sc_dev.dv_xname, 659 intrstr ? intrstr : "unknown interrupt"); 660 } else { 661 printf("%s: couldn't establish native-PCI interrupt", 662 sc->sc_wdcdev.sc_dev.dv_xname); 663 if (intrstr != NULL) 664 printf(" at %s", intrstr); 665 printf("\n"); 666 return 0; 667 } 668 } 669 cp->ih = sc->sc_pci_ih; 670 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 671 PCI_MAPREG_TYPE_IO, 0, 672 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 673 printf("%s: couldn't map %s channel cmd regs\n", 674 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 675 return 0; 676 } 677 678 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 679 PCI_MAPREG_TYPE_IO, 0, 680 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) { 681 printf("%s: couldn't map %s channel ctl regs\n", 682 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 683 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 684 return 0; 685 } 686 /* 687 * In native mode, 4 bytes of I/O space are mapped for the control 688 * register, the control register is at offset 2. Pass the generic 689 * code a handle for only one byte at the rigth offset. 690 */ 691 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, 692 &wdc_cp->ctl_ioh) != 0) { 693 printf("%s: unable to subregion %s channel ctl regs\n", 694 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 695 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 696 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); 697 return 0; 698 } 699 return (1); 700 } 701 702 void 703 pciide_mapreg_dma(sc, pa) 704 struct pciide_softc *sc; 705 struct pci_attach_args *pa; 706 { 707 pcireg_t maptype; 708 bus_addr_t addr; 709 710 /* 711 * Map DMA registers 712 * 713 * Note that sc_dma_ok is the right variable to test to see if 714 * DMA can be done. If the interface doesn't support DMA, 715 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 716 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 717 * non-zero if the interface supports DMA and the registers 718 * could be mapped. 719 * 720 * XXX Note that despite the fact that the Bus Master IDE specs 721 * XXX say that "The bus master IDE function uses 16 bytes of IO 722 * XXX space," some controllers (at least the United 723 * XXX Microelectronics UM8886BF) place it in memory space. 724 */ 725 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 726 PCIIDE_REG_BUS_MASTER_DMA); 727 728 switch (maptype) { 729 case PCI_MAPREG_TYPE_IO: 730 sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 731 PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO, 732 &addr, NULL, NULL) == 0); 733 if (sc->sc_dma_ok == 0) { 734 printf(", but unused (couldn't query registers)"); 735 break; 736 } 737 if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE) 738 && addr >= 0x10000) { 739 sc->sc_dma_ok = 0; 740 printf(", but unused (registers at unsafe address %#lx)", (unsigned long)addr); 741 break; 742 } 743 /* FALLTHROUGH */ 744 745 case PCI_MAPREG_MEM_TYPE_32BIT: 746 sc->sc_dma_ok = (pci_mapreg_map(pa, 747 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 748 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 749 sc->sc_dmat = pa->pa_dmat; 750 if (sc->sc_dma_ok == 0) { 751 printf(", but unused (couldn't map registers)"); 752 } else { 753 sc->sc_wdcdev.dma_arg = sc; 754 sc->sc_wdcdev.dma_init = pciide_dma_init; 755 sc->sc_wdcdev.dma_start = pciide_dma_start; 756 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 757 } 758 break; 759 760 default: 761 sc->sc_dma_ok = 0; 762 printf(", but unsupported register maptype (0x%x)", maptype); 763 } 764 } 765 766 int 767 pciide_compat_intr(arg) 768 void *arg; 769 { 770 struct pciide_channel *cp = arg; 771 772 #ifdef DIAGNOSTIC 773 /* should only be called for a compat channel */ 774 if (cp->compat == 0) 775 panic("pciide compat intr called for non-compat chan %p\n", cp); 776 #endif 777 return (wdcintr(&cp->wdc_channel)); 778 } 779 780 int 781 pciide_pci_intr(arg) 782 void *arg; 783 { 784 struct pciide_softc *sc = arg; 785 struct pciide_channel *cp; 786 struct channel_softc *wdc_cp; 787 int i, rv, crv; 788 789 rv = 0; 790 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 791 cp = &sc->pciide_channels[i]; 792 wdc_cp = &cp->wdc_channel; 793 794 /* If a compat channel skip. */ 795 if (cp->compat) 796 continue; 797 /* if this channel not waiting for intr, skip */ 798 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 799 continue; 800 801 crv = wdcintr(wdc_cp); 802 if (crv == 0) 803 ; /* leave rv alone */ 804 else if (crv == 1) 805 rv = 1; /* claim the intr */ 806 else if (rv == 0) /* crv should be -1 in this case */ 807 rv = crv; /* if we've done no better, take it */ 808 } 809 return (rv); 810 } 811 812 void 813 pciide_channel_dma_setup(cp) 814 struct pciide_channel *cp; 815 { 816 int drive; 817 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 818 struct ata_drive_datas *drvp; 819 820 for (drive = 0; drive < 2; drive++) { 821 drvp = &cp->wdc_channel.ch_drive[drive]; 822 /* If no drive, skip */ 823 if ((drvp->drive_flags & DRIVE) == 0) 824 continue; 825 /* setup DMA if needed */ 826 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 827 (drvp->drive_flags & DRIVE_UDMA) == 0) || 828 sc->sc_dma_ok == 0) { 829 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 830 continue; 831 } 832 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 833 != 0) { 834 /* Abort DMA setup */ 835 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 836 continue; 837 } 838 } 839 } 840 841 int 842 pciide_dma_table_setup(sc, channel, drive) 843 struct pciide_softc *sc; 844 int channel, drive; 845 { 846 bus_dma_segment_t seg; 847 int error, rseg; 848 const bus_size_t dma_table_size = 849 sizeof(struct idedma_table) * NIDEDMA_TABLES; 850 struct pciide_dma_maps *dma_maps = 851 &sc->pciide_channels[channel].dma_maps[drive]; 852 853 /* If table was already allocated, just return */ 854 if (dma_maps->dma_table) 855 return 0; 856 857 /* Allocate memory for the DMA tables and map it */ 858 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 859 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 860 BUS_DMA_NOWAIT)) != 0) { 861 printf("%s:%d: unable to allocate table DMA for " 862 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 863 channel, drive, error); 864 return error; 865 } 866 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 867 dma_table_size, 868 (caddr_t *)&dma_maps->dma_table, 869 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 870 printf("%s:%d: unable to map table DMA for" 871 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 872 channel, drive, error); 873 return error; 874 } 875 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %lu, " 876 "phy 0x%lx\n", dma_maps->dma_table, (u_long)dma_table_size, 877 (unsigned long)seg.ds_addr), DEBUG_PROBE); 878 879 /* Create and load table DMA map for this disk */ 880 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 881 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 882 &dma_maps->dmamap_table)) != 0) { 883 printf("%s:%d: unable to create table DMA map for " 884 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 885 channel, drive, error); 886 return error; 887 } 888 if ((error = bus_dmamap_load(sc->sc_dmat, 889 dma_maps->dmamap_table, 890 dma_maps->dma_table, 891 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 892 printf("%s:%d: unable to load table DMA map for " 893 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 894 channel, drive, error); 895 return error; 896 } 897 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 898 (unsigned long)dma_maps->dmamap_table->dm_segs[0].ds_addr), 899 DEBUG_PROBE); 900 /* Create a xfer DMA map for this drive */ 901 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 902 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN, 903 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 904 &dma_maps->dmamap_xfer)) != 0) { 905 printf("%s:%d: unable to create xfer DMA map for " 906 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 907 channel, drive, error); 908 return error; 909 } 910 return 0; 911 } 912 913 int 914 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 915 void *v; 916 int channel, drive; 917 void *databuf; 918 size_t datalen; 919 int flags; 920 { 921 struct pciide_softc *sc = v; 922 int error, seg; 923 struct pciide_dma_maps *dma_maps = 924 &sc->pciide_channels[channel].dma_maps[drive]; 925 926 error = bus_dmamap_load(sc->sc_dmat, 927 dma_maps->dmamap_xfer, 928 databuf, datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING); 929 if (error) { 930 printf("%s:%d: unable to load xfer DMA map for" 931 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 932 channel, drive, error); 933 return error; 934 } 935 936 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 937 dma_maps->dmamap_xfer->dm_mapsize, 938 (flags & WDC_DMA_READ) ? 939 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 940 941 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 942 #ifdef DIAGNOSTIC 943 /* A segment must not cross a 64k boundary */ 944 { 945 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 946 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 947 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 948 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 949 printf("pciide_dma: segment %d physical addr 0x%lx" 950 " len 0x%lx not properly aligned\n", 951 seg, phys, len); 952 panic("pciide_dma: buf align"); 953 } 954 } 955 #endif 956 dma_maps->dma_table[seg].base_addr = 957 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 958 dma_maps->dma_table[seg].byte_count = 959 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 960 IDEDMA_BYTE_COUNT_MASK); 961 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 962 seg, le32toh(dma_maps->dma_table[seg].byte_count), 963 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 964 965 } 966 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 967 htole32(IDEDMA_BYTE_COUNT_EOT); 968 969 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 970 dma_maps->dmamap_table->dm_mapsize, 971 BUS_DMASYNC_PREWRITE); 972 973 /* Maps are ready. Start DMA function */ 974 #ifdef DIAGNOSTIC 975 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 976 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 977 (u_long)dma_maps->dmamap_table->dm_segs[0].ds_addr); 978 panic("pciide_dma_init: table align"); 979 } 980 #endif 981 982 /* Clear status bits */ 983 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 984 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 985 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 986 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 987 /* Write table addr */ 988 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 989 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 990 dma_maps->dmamap_table->dm_segs[0].ds_addr); 991 /* set read/write */ 992 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 993 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 994 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 995 /* remember flags */ 996 dma_maps->dma_flags = flags; 997 return 0; 998 } 999 1000 void 1001 pciide_dma_start(v, channel, drive) 1002 void *v; 1003 int channel, drive; 1004 { 1005 struct pciide_softc *sc = v; 1006 1007 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 1008 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1009 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1010 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1011 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 1012 } 1013 1014 int 1015 pciide_dma_finish(v, channel, drive, force) 1016 void *v; 1017 int channel, drive; 1018 int force; 1019 { 1020 struct pciide_softc *sc = v; 1021 u_int8_t status; 1022 int error = 0; 1023 struct pciide_dma_maps *dma_maps = 1024 &sc->pciide_channels[channel].dma_maps[drive]; 1025 1026 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1027 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 1028 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 1029 DEBUG_XFERS); 1030 1031 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 1032 return WDC_DMAST_NOIRQ; 1033 1034 /* stop DMA channel */ 1035 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1036 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1037 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1038 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1039 1040 /* Unload the map of the data buffer */ 1041 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1042 dma_maps->dmamap_xfer->dm_mapsize, 1043 (dma_maps->dma_flags & WDC_DMA_READ) ? 1044 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1045 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1046 1047 if ((status & IDEDMA_CTL_ERR) != 0) { 1048 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1049 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1050 error |= WDC_DMAST_ERR; 1051 } 1052 1053 if ((status & IDEDMA_CTL_INTR) == 0) { 1054 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1055 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1056 drive, status); 1057 error |= WDC_DMAST_NOIRQ; 1058 } 1059 1060 if ((status & IDEDMA_CTL_ACT) != 0) { 1061 /* data underrun, may be a valid condition for ATAPI */ 1062 error |= WDC_DMAST_UNDER; 1063 } 1064 return error; 1065 } 1066 1067 void 1068 pciide_irqack(chp) 1069 struct channel_softc *chp; 1070 { 1071 struct pciide_channel *cp = (struct pciide_channel*)chp; 1072 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1073 1074 /* clear status bits in IDE DMA registers */ 1075 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1076 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1077 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1078 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1079 } 1080 1081 /* some common code used by several chip_map */ 1082 int 1083 pciide_chansetup(sc, channel, interface) 1084 struct pciide_softc *sc; 1085 int channel; 1086 pcireg_t interface; 1087 { 1088 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1089 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1090 cp->name = PCIIDE_CHANNEL_NAME(channel); 1091 cp->wdc_channel.channel = channel; 1092 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1093 cp->wdc_channel.ch_queue = 1094 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1095 if (cp->wdc_channel.ch_queue == NULL) { 1096 printf("%s %s channel: " 1097 "can't allocate memory for command queue", 1098 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1099 return 0; 1100 } 1101 printf("%s: %s channel %s to %s mode\n", 1102 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1103 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1104 "configured" : "wired", 1105 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1106 "native-PCI" : "compatibility"); 1107 return 1; 1108 } 1109 1110 /* some common code used by several chip channel_map */ 1111 void 1112 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1113 struct pci_attach_args *pa; 1114 struct pciide_channel *cp; 1115 pcireg_t interface; 1116 bus_size_t *cmdsizep, *ctlsizep; 1117 int (*pci_intr) __P((void *)); 1118 { 1119 struct channel_softc *wdc_cp = &cp->wdc_channel; 1120 1121 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1122 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1123 pci_intr); 1124 else 1125 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1126 wdc_cp->channel, cmdsizep, ctlsizep); 1127 1128 if (cp->hw_ok == 0) 1129 return; 1130 wdc_cp->data32iot = wdc_cp->cmd_iot; 1131 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1132 wdcattach(wdc_cp); 1133 } 1134 1135 /* 1136 * Generic code to call to know if a channel can be disabled. Return 1 1137 * if channel can be disabled, 0 if not 1138 */ 1139 int 1140 pciide_chan_candisable(cp) 1141 struct pciide_channel *cp; 1142 { 1143 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1144 struct channel_softc *wdc_cp = &cp->wdc_channel; 1145 1146 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1147 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1148 printf("%s: disabling %s channel (no drives)\n", 1149 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1150 cp->hw_ok = 0; 1151 return 1; 1152 } 1153 return 0; 1154 } 1155 1156 /* 1157 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1158 * Set hw_ok=0 on failure 1159 */ 1160 void 1161 pciide_map_compat_intr(pa, cp, compatchan, interface) 1162 struct pci_attach_args *pa; 1163 struct pciide_channel *cp; 1164 int compatchan, interface; 1165 { 1166 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1167 struct channel_softc *wdc_cp = &cp->wdc_channel; 1168 1169 if (cp->hw_ok == 0) 1170 return; 1171 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1172 return; 1173 1174 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1175 pa, compatchan, pciide_compat_intr, cp); 1176 if (cp->ih == NULL) { 1177 printf("%s: no compatibility interrupt for use by %s " 1178 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1179 cp->hw_ok = 0; 1180 } 1181 } 1182 1183 void 1184 pciide_print_modes(cp) 1185 struct pciide_channel *cp; 1186 { 1187 wdc_print_modes(&cp->wdc_channel); 1188 } 1189 1190 void 1191 default_chip_map(sc, pa) 1192 struct pciide_softc *sc; 1193 struct pci_attach_args *pa; 1194 { 1195 struct pciide_channel *cp; 1196 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1197 pcireg_t csr; 1198 int channel, drive; 1199 struct ata_drive_datas *drvp; 1200 u_int8_t idedma_ctl; 1201 bus_size_t cmdsize, ctlsize; 1202 char *failreason; 1203 1204 if (pciide_chipen(sc, pa) == 0) 1205 return; 1206 1207 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1208 printf("%s: bus-master DMA support present", 1209 sc->sc_wdcdev.sc_dev.dv_xname); 1210 if (sc->sc_pp == &default_product_desc && 1211 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1212 PCIIDE_OPTIONS_DMA) == 0) { 1213 printf(", but unused (no driver support)"); 1214 sc->sc_dma_ok = 0; 1215 } else { 1216 pciide_mapreg_dma(sc, pa); 1217 if (sc->sc_dma_ok != 0) 1218 printf(", used without full driver " 1219 "support"); 1220 } 1221 } else { 1222 printf("%s: hardware does not support DMA", 1223 sc->sc_wdcdev.sc_dev.dv_xname); 1224 sc->sc_dma_ok = 0; 1225 } 1226 printf("\n"); 1227 if (sc->sc_dma_ok) { 1228 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1229 sc->sc_wdcdev.irqack = pciide_irqack; 1230 } 1231 sc->sc_wdcdev.PIO_cap = 0; 1232 sc->sc_wdcdev.DMA_cap = 0; 1233 1234 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1235 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1236 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1237 1238 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1239 cp = &sc->pciide_channels[channel]; 1240 if (pciide_chansetup(sc, channel, interface) == 0) 1241 continue; 1242 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1243 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1244 &ctlsize, pciide_pci_intr); 1245 } else { 1246 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1247 channel, &cmdsize, &ctlsize); 1248 } 1249 if (cp->hw_ok == 0) 1250 continue; 1251 /* 1252 * Check to see if something appears to be there. 1253 */ 1254 failreason = NULL; 1255 if (!wdcprobe(&cp->wdc_channel)) { 1256 failreason = "not responding; disabled or no drives?"; 1257 goto next; 1258 } 1259 /* 1260 * Now, make sure it's actually attributable to this PCI IDE 1261 * channel by trying to access the channel again while the 1262 * PCI IDE controller's I/O space is disabled. (If the 1263 * channel no longer appears to be there, it belongs to 1264 * this controller.) YUCK! 1265 */ 1266 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1267 PCI_COMMAND_STATUS_REG); 1268 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1269 csr & ~PCI_COMMAND_IO_ENABLE); 1270 if (wdcprobe(&cp->wdc_channel)) 1271 failreason = "other hardware responding at addresses"; 1272 pci_conf_write(sc->sc_pc, sc->sc_tag, 1273 PCI_COMMAND_STATUS_REG, csr); 1274 next: 1275 if (failreason) { 1276 printf("%s: %s channel ignored (%s)\n", 1277 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1278 failreason); 1279 cp->hw_ok = 0; 1280 bus_space_unmap(cp->wdc_channel.cmd_iot, 1281 cp->wdc_channel.cmd_ioh, cmdsize); 1282 bus_space_unmap(cp->wdc_channel.ctl_iot, 1283 cp->wdc_channel.ctl_ioh, ctlsize); 1284 } else { 1285 pciide_map_compat_intr(pa, cp, channel, interface); 1286 } 1287 if (cp->hw_ok) { 1288 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1289 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1290 wdcattach(&cp->wdc_channel); 1291 } 1292 } 1293 1294 if (sc->sc_dma_ok == 0) 1295 return; 1296 1297 /* Allocate DMA maps */ 1298 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1299 idedma_ctl = 0; 1300 cp = &sc->pciide_channels[channel]; 1301 for (drive = 0; drive < 2; drive++) { 1302 drvp = &cp->wdc_channel.ch_drive[drive]; 1303 /* If no drive, skip */ 1304 if ((drvp->drive_flags & DRIVE) == 0) 1305 continue; 1306 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1307 continue; 1308 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1309 /* Abort DMA setup */ 1310 printf("%s:%d:%d: can't allocate DMA maps, " 1311 "using PIO transfers\n", 1312 sc->sc_wdcdev.sc_dev.dv_xname, 1313 channel, drive); 1314 drvp->drive_flags &= ~DRIVE_DMA; 1315 } 1316 printf("%s:%d:%d: using DMA data transfers\n", 1317 sc->sc_wdcdev.sc_dev.dv_xname, 1318 channel, drive); 1319 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1320 } 1321 if (idedma_ctl != 0) { 1322 /* Add software bits in status register */ 1323 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1324 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1325 idedma_ctl); 1326 } 1327 } 1328 } 1329 1330 void 1331 piix_chip_map(sc, pa) 1332 struct pciide_softc *sc; 1333 struct pci_attach_args *pa; 1334 { 1335 struct pciide_channel *cp; 1336 int channel; 1337 u_int32_t idetim; 1338 bus_size_t cmdsize, ctlsize; 1339 1340 if (pciide_chipen(sc, pa) == 0) 1341 return; 1342 1343 printf("%s: bus-master DMA support present", 1344 sc->sc_wdcdev.sc_dev.dv_xname); 1345 pciide_mapreg_dma(sc, pa); 1346 printf("\n"); 1347 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1348 WDC_CAPABILITY_MODE; 1349 if (sc->sc_dma_ok) { 1350 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1351 sc->sc_wdcdev.irqack = pciide_irqack; 1352 switch(sc->sc_pp->ide_product) { 1353 case PCI_PRODUCT_INTEL_82371AB_IDE: 1354 case PCI_PRODUCT_INTEL_82440MX_IDE: 1355 case PCI_PRODUCT_INTEL_82801AA_IDE: 1356 case PCI_PRODUCT_INTEL_82801AB_IDE: 1357 case PCI_PRODUCT_INTEL_82801BA_IDE: 1358 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1359 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1360 } 1361 } 1362 sc->sc_wdcdev.PIO_cap = 4; 1363 sc->sc_wdcdev.DMA_cap = 2; 1364 switch(sc->sc_pp->ide_product) { 1365 case PCI_PRODUCT_INTEL_82801AA_IDE: 1366 sc->sc_wdcdev.UDMA_cap = 4; 1367 break; 1368 case PCI_PRODUCT_INTEL_82801BA_IDE: 1369 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1370 sc->sc_wdcdev.UDMA_cap = 5; 1371 break; 1372 default: 1373 sc->sc_wdcdev.UDMA_cap = 2; 1374 } 1375 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1376 sc->sc_wdcdev.set_modes = piix_setup_channel; 1377 else 1378 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1379 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1380 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1381 1382 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1383 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1384 DEBUG_PROBE); 1385 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1386 WDCDEBUG_PRINT((", sidetim=0x%x", 1387 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1388 DEBUG_PROBE); 1389 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1390 WDCDEBUG_PRINT((", udamreg 0x%x", 1391 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1392 DEBUG_PROBE); 1393 } 1394 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1395 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1396 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1397 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1398 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1399 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1400 DEBUG_PROBE); 1401 } 1402 1403 } 1404 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1405 1406 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1407 cp = &sc->pciide_channels[channel]; 1408 /* PIIX is compat-only */ 1409 if (pciide_chansetup(sc, channel, 0) == 0) 1410 continue; 1411 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1412 if ((PIIX_IDETIM_READ(idetim, channel) & 1413 PIIX_IDETIM_IDE) == 0) { 1414 printf("%s: %s channel ignored (disabled)\n", 1415 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1416 continue; 1417 } 1418 /* PIIX are compat-only pciide devices */ 1419 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1420 if (cp->hw_ok == 0) 1421 continue; 1422 if (pciide_chan_candisable(cp)) { 1423 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1424 channel); 1425 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1426 idetim); 1427 } 1428 pciide_map_compat_intr(pa, cp, channel, 0); 1429 if (cp->hw_ok == 0) 1430 continue; 1431 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1432 } 1433 1434 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1435 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1436 DEBUG_PROBE); 1437 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1438 WDCDEBUG_PRINT((", sidetim=0x%x", 1439 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1440 DEBUG_PROBE); 1441 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1442 WDCDEBUG_PRINT((", udamreg 0x%x", 1443 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1444 DEBUG_PROBE); 1445 } 1446 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1447 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1448 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1449 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1450 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1451 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1452 DEBUG_PROBE); 1453 } 1454 } 1455 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1456 } 1457 1458 void 1459 piix_setup_channel(chp) 1460 struct channel_softc *chp; 1461 { 1462 u_int8_t mode[2], drive; 1463 u_int32_t oidetim, idetim, idedma_ctl; 1464 struct pciide_channel *cp = (struct pciide_channel*)chp; 1465 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1466 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1467 1468 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1469 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1470 idedma_ctl = 0; 1471 1472 /* set up new idetim: Enable IDE registers decode */ 1473 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1474 chp->channel); 1475 1476 /* setup DMA */ 1477 pciide_channel_dma_setup(cp); 1478 1479 /* 1480 * Here we have to mess up with drives mode: PIIX can't have 1481 * different timings for master and slave drives. 1482 * We need to find the best combination. 1483 */ 1484 1485 /* If both drives supports DMA, take the lower mode */ 1486 if ((drvp[0].drive_flags & DRIVE_DMA) && 1487 (drvp[1].drive_flags & DRIVE_DMA)) { 1488 mode[0] = mode[1] = 1489 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1490 drvp[0].DMA_mode = mode[0]; 1491 drvp[1].DMA_mode = mode[1]; 1492 goto ok; 1493 } 1494 /* 1495 * If only one drive supports DMA, use its mode, and 1496 * put the other one in PIO mode 0 if mode not compatible 1497 */ 1498 if (drvp[0].drive_flags & DRIVE_DMA) { 1499 mode[0] = drvp[0].DMA_mode; 1500 mode[1] = drvp[1].PIO_mode; 1501 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1502 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1503 mode[1] = drvp[1].PIO_mode = 0; 1504 goto ok; 1505 } 1506 if (drvp[1].drive_flags & DRIVE_DMA) { 1507 mode[1] = drvp[1].DMA_mode; 1508 mode[0] = drvp[0].PIO_mode; 1509 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1510 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1511 mode[0] = drvp[0].PIO_mode = 0; 1512 goto ok; 1513 } 1514 /* 1515 * If both drives are not DMA, takes the lower mode, unless 1516 * one of them is PIO mode < 2 1517 */ 1518 if (drvp[0].PIO_mode < 2) { 1519 mode[0] = drvp[0].PIO_mode = 0; 1520 mode[1] = drvp[1].PIO_mode; 1521 } else if (drvp[1].PIO_mode < 2) { 1522 mode[1] = drvp[1].PIO_mode = 0; 1523 mode[0] = drvp[0].PIO_mode; 1524 } else { 1525 mode[0] = mode[1] = 1526 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1527 drvp[0].PIO_mode = mode[0]; 1528 drvp[1].PIO_mode = mode[1]; 1529 } 1530 ok: /* The modes are setup */ 1531 for (drive = 0; drive < 2; drive++) { 1532 if (drvp[drive].drive_flags & DRIVE_DMA) { 1533 idetim |= piix_setup_idetim_timings( 1534 mode[drive], 1, chp->channel); 1535 goto end; 1536 } 1537 } 1538 /* If we are there, none of the drives are DMA */ 1539 if (mode[0] >= 2) 1540 idetim |= piix_setup_idetim_timings( 1541 mode[0], 0, chp->channel); 1542 else 1543 idetim |= piix_setup_idetim_timings( 1544 mode[1], 0, chp->channel); 1545 end: /* 1546 * timing mode is now set up in the controller. Enable 1547 * it per-drive 1548 */ 1549 for (drive = 0; drive < 2; drive++) { 1550 /* If no drive, skip */ 1551 if ((drvp[drive].drive_flags & DRIVE) == 0) 1552 continue; 1553 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1554 if (drvp[drive].drive_flags & DRIVE_DMA) 1555 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1556 } 1557 if (idedma_ctl != 0) { 1558 /* Add software bits in status register */ 1559 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1560 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1561 idedma_ctl); 1562 } 1563 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1564 pciide_print_modes(cp); 1565 } 1566 1567 void 1568 piix3_4_setup_channel(chp) 1569 struct channel_softc *chp; 1570 { 1571 struct ata_drive_datas *drvp; 1572 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1573 struct pciide_channel *cp = (struct pciide_channel*)chp; 1574 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1575 int drive; 1576 int channel = chp->channel; 1577 1578 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1579 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1580 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1581 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1582 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1583 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1584 PIIX_SIDETIM_RTC_MASK(channel)); 1585 1586 idedma_ctl = 0; 1587 /* If channel disabled, no need to go further */ 1588 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1589 return; 1590 /* set up new idetim: Enable IDE registers decode */ 1591 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1592 1593 /* setup DMA if needed */ 1594 pciide_channel_dma_setup(cp); 1595 1596 for (drive = 0; drive < 2; drive++) { 1597 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1598 PIIX_UDMATIM_SET(0x3, channel, drive)); 1599 drvp = &chp->ch_drive[drive]; 1600 /* If no drive, skip */ 1601 if ((drvp->drive_flags & DRIVE) == 0) 1602 continue; 1603 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1604 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1605 goto pio; 1606 1607 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1608 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1609 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1610 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1611 ideconf |= PIIX_CONFIG_PINGPONG; 1612 } 1613 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1614 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1615 /* setup Ultra/100 */ 1616 if (drvp->UDMA_mode > 2 && 1617 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1618 drvp->UDMA_mode = 2; 1619 if (drvp->UDMA_mode > 4) { 1620 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1621 } else { 1622 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1623 if (drvp->UDMA_mode > 2) { 1624 ideconf |= PIIX_CONFIG_UDMA66(channel, 1625 drive); 1626 } else { 1627 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1628 drive); 1629 } 1630 } 1631 } 1632 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1633 /* setup Ultra/66 */ 1634 if (drvp->UDMA_mode > 2 && 1635 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1636 drvp->UDMA_mode = 2; 1637 if (drvp->UDMA_mode > 2) 1638 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1639 else 1640 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1641 } 1642 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1643 (drvp->drive_flags & DRIVE_UDMA)) { 1644 /* use Ultra/DMA */ 1645 drvp->drive_flags &= ~DRIVE_DMA; 1646 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1647 udmareg |= PIIX_UDMATIM_SET( 1648 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1649 } else { 1650 /* use Multiword DMA */ 1651 drvp->drive_flags &= ~DRIVE_UDMA; 1652 if (drive == 0) { 1653 idetim |= piix_setup_idetim_timings( 1654 drvp->DMA_mode, 1, channel); 1655 } else { 1656 sidetim |= piix_setup_sidetim_timings( 1657 drvp->DMA_mode, 1, channel); 1658 idetim =PIIX_IDETIM_SET(idetim, 1659 PIIX_IDETIM_SITRE, channel); 1660 } 1661 } 1662 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1663 1664 pio: /* use PIO mode */ 1665 idetim |= piix_setup_idetim_drvs(drvp); 1666 if (drive == 0) { 1667 idetim |= piix_setup_idetim_timings( 1668 drvp->PIO_mode, 0, channel); 1669 } else { 1670 sidetim |= piix_setup_sidetim_timings( 1671 drvp->PIO_mode, 0, channel); 1672 idetim =PIIX_IDETIM_SET(idetim, 1673 PIIX_IDETIM_SITRE, channel); 1674 } 1675 } 1676 if (idedma_ctl != 0) { 1677 /* Add software bits in status register */ 1678 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1679 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1680 idedma_ctl); 1681 } 1682 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1683 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1684 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1685 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1686 pciide_print_modes(cp); 1687 } 1688 1689 1690 /* setup ISP and RTC fields, based on mode */ 1691 static u_int32_t 1692 piix_setup_idetim_timings(mode, dma, channel) 1693 u_int8_t mode; 1694 u_int8_t dma; 1695 u_int8_t channel; 1696 { 1697 1698 if (dma) 1699 return PIIX_IDETIM_SET(0, 1700 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1701 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1702 channel); 1703 else 1704 return PIIX_IDETIM_SET(0, 1705 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1706 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1707 channel); 1708 } 1709 1710 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1711 static u_int32_t 1712 piix_setup_idetim_drvs(drvp) 1713 struct ata_drive_datas *drvp; 1714 { 1715 u_int32_t ret = 0; 1716 struct channel_softc *chp = drvp->chnl_softc; 1717 u_int8_t channel = chp->channel; 1718 u_int8_t drive = drvp->drive; 1719 1720 /* 1721 * If drive is using UDMA, timings setups are independant 1722 * So just check DMA and PIO here. 1723 */ 1724 if (drvp->drive_flags & DRIVE_DMA) { 1725 /* if mode = DMA mode 0, use compatible timings */ 1726 if ((drvp->drive_flags & DRIVE_DMA) && 1727 drvp->DMA_mode == 0) { 1728 drvp->PIO_mode = 0; 1729 return ret; 1730 } 1731 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1732 /* 1733 * PIO and DMA timings are the same, use fast timings for PIO 1734 * too, else use compat timings. 1735 */ 1736 if ((piix_isp_pio[drvp->PIO_mode] != 1737 piix_isp_dma[drvp->DMA_mode]) || 1738 (piix_rtc_pio[drvp->PIO_mode] != 1739 piix_rtc_dma[drvp->DMA_mode])) 1740 drvp->PIO_mode = 0; 1741 /* if PIO mode <= 2, use compat timings for PIO */ 1742 if (drvp->PIO_mode <= 2) { 1743 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1744 channel); 1745 return ret; 1746 } 1747 } 1748 1749 /* 1750 * Now setup PIO modes. If mode < 2, use compat timings. 1751 * Else enable fast timings. Enable IORDY and prefetch/post 1752 * if PIO mode >= 3. 1753 */ 1754 1755 if (drvp->PIO_mode < 2) 1756 return ret; 1757 1758 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1759 if (drvp->PIO_mode >= 3) { 1760 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1761 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1762 } 1763 return ret; 1764 } 1765 1766 /* setup values in SIDETIM registers, based on mode */ 1767 static u_int32_t 1768 piix_setup_sidetim_timings(mode, dma, channel) 1769 u_int8_t mode; 1770 u_int8_t dma; 1771 u_int8_t channel; 1772 { 1773 if (dma) 1774 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1775 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1776 else 1777 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1778 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1779 } 1780 1781 void 1782 amd756_chip_map(sc, pa) 1783 struct pciide_softc *sc; 1784 struct pci_attach_args *pa; 1785 { 1786 struct pciide_channel *cp; 1787 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1788 int channel; 1789 pcireg_t chanenable; 1790 bus_size_t cmdsize, ctlsize; 1791 1792 if (pciide_chipen(sc, pa) == 0) 1793 return; 1794 printf("%s: bus-master DMA support present", 1795 sc->sc_wdcdev.sc_dev.dv_xname); 1796 pciide_mapreg_dma(sc, pa); 1797 printf("\n"); 1798 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1799 WDC_CAPABILITY_MODE; 1800 if (sc->sc_dma_ok) { 1801 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1802 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1803 sc->sc_wdcdev.irqack = pciide_irqack; 1804 } 1805 sc->sc_wdcdev.PIO_cap = 4; 1806 sc->sc_wdcdev.DMA_cap = 2; 1807 sc->sc_wdcdev.UDMA_cap = 4; 1808 sc->sc_wdcdev.set_modes = amd756_setup_channel; 1809 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1810 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1811 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); 1812 1813 WDCDEBUG_PRINT(("amd756_chip_map: Channel enable=0x%x\n", chanenable), 1814 DEBUG_PROBE); 1815 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1816 cp = &sc->pciide_channels[channel]; 1817 if (pciide_chansetup(sc, channel, interface) == 0) 1818 continue; 1819 1820 if ((chanenable & AMD756_CHAN_EN(channel)) == 0) { 1821 printf("%s: %s channel ignored (disabled)\n", 1822 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1823 continue; 1824 } 1825 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1826 pciide_pci_intr); 1827 1828 if (pciide_chan_candisable(cp)) 1829 chanenable &= ~AMD756_CHAN_EN(channel); 1830 pciide_map_compat_intr(pa, cp, channel, interface); 1831 if (cp->hw_ok == 0) 1832 continue; 1833 1834 amd756_setup_channel(&cp->wdc_channel); 1835 } 1836 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN, 1837 chanenable); 1838 return; 1839 } 1840 1841 void 1842 amd756_setup_channel(chp) 1843 struct channel_softc *chp; 1844 { 1845 u_int32_t udmatim_reg, datatim_reg; 1846 u_int8_t idedma_ctl; 1847 int mode, drive; 1848 struct ata_drive_datas *drvp; 1849 struct pciide_channel *cp = (struct pciide_channel*)chp; 1850 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1851 #ifndef PCIIDE_AMD756_ENABLEDMA 1852 int rev = PCI_REVISION( 1853 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 1854 #endif 1855 1856 idedma_ctl = 0; 1857 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM); 1858 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA); 1859 datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel); 1860 udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel); 1861 1862 /* setup DMA if needed */ 1863 pciide_channel_dma_setup(cp); 1864 1865 for (drive = 0; drive < 2; drive++) { 1866 drvp = &chp->ch_drive[drive]; 1867 /* If no drive, skip */ 1868 if ((drvp->drive_flags & DRIVE) == 0) 1869 continue; 1870 /* add timing values, setup DMA if needed */ 1871 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1872 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1873 mode = drvp->PIO_mode; 1874 goto pio; 1875 } 1876 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1877 (drvp->drive_flags & DRIVE_UDMA)) { 1878 /* use Ultra/DMA */ 1879 drvp->drive_flags &= ~DRIVE_DMA; 1880 udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) | 1881 AMD756_UDMA_EN_MTH(chp->channel, drive) | 1882 AMD756_UDMA_TIME(chp->channel, drive, 1883 amd756_udma_tim[drvp->UDMA_mode]); 1884 /* can use PIO timings, MW DMA unused */ 1885 mode = drvp->PIO_mode; 1886 } else { 1887 /* use Multiword DMA, but only if revision is OK */ 1888 drvp->drive_flags &= ~DRIVE_UDMA; 1889 #ifndef PCIIDE_AMD756_ENABLEDMA 1890 /* 1891 * The workaround doesn't seem to be necessary 1892 * with all drives, so it can be disabled by 1893 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 1894 * triggered. 1895 */ 1896 if (AMD756_CHIPREV_DISABLEDMA(rev)) { 1897 printf("%s:%d:%d: multi-word DMA disabled due " 1898 "to chip revision\n", 1899 sc->sc_wdcdev.sc_dev.dv_xname, 1900 chp->channel, drive); 1901 mode = drvp->PIO_mode; 1902 drvp->drive_flags &= ~DRIVE_DMA; 1903 goto pio; 1904 } 1905 #endif 1906 /* mode = min(pio, dma+2) */ 1907 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1908 mode = drvp->PIO_mode; 1909 else 1910 mode = drvp->DMA_mode + 2; 1911 } 1912 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1913 1914 pio: /* setup PIO mode */ 1915 if (mode <= 2) { 1916 drvp->DMA_mode = 0; 1917 drvp->PIO_mode = 0; 1918 mode = 0; 1919 } else { 1920 drvp->PIO_mode = mode; 1921 drvp->DMA_mode = mode - 2; 1922 } 1923 datatim_reg |= 1924 AMD756_DATATIM_PULSE(chp->channel, drive, 1925 amd756_pio_set[mode]) | 1926 AMD756_DATATIM_RECOV(chp->channel, drive, 1927 amd756_pio_rec[mode]); 1928 } 1929 if (idedma_ctl != 0) { 1930 /* Add software bits in status register */ 1931 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1932 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1933 idedma_ctl); 1934 } 1935 pciide_print_modes(cp); 1936 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg); 1937 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg); 1938 } 1939 1940 void 1941 apollo_chip_map(sc, pa) 1942 struct pciide_softc *sc; 1943 struct pci_attach_args *pa; 1944 { 1945 struct pciide_channel *cp; 1946 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1947 int rev = PCI_REVISION(pa->pa_class); 1948 int channel; 1949 u_int32_t ideconf, udma_conf, old_udma_conf; 1950 bus_size_t cmdsize, ctlsize; 1951 1952 if (pciide_chipen(sc, pa) == 0) 1953 return; 1954 printf("%s: bus-master DMA support present", 1955 sc->sc_wdcdev.sc_dev.dv_xname); 1956 pciide_mapreg_dma(sc, pa); 1957 printf("\n"); 1958 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1959 WDC_CAPABILITY_MODE; 1960 if (sc->sc_dma_ok) { 1961 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1962 sc->sc_wdcdev.irqack = pciide_irqack; 1963 if (sc->sc_pp->ide_product == PCI_PRODUCT_VIATECH_VT82C586A_IDE 1964 && rev >= 6) 1965 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1966 } 1967 sc->sc_wdcdev.PIO_cap = 4; 1968 sc->sc_wdcdev.DMA_cap = 2; 1969 sc->sc_wdcdev.UDMA_cap = 2; 1970 sc->sc_wdcdev.set_modes = apollo_setup_channel; 1971 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1972 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1973 1974 old_udma_conf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1975 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 1976 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1977 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 1978 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 1979 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1980 old_udma_conf), 1981 DEBUG_PROBE); 1982 pci_conf_write(sc->sc_pc, sc->sc_tag, 1983 old_udma_conf | (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1984 APO_UDMA_EN_MTH(0, 0) | APO_UDMA_CLK66(0)), 1985 APO_UDMA); 1986 udma_conf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1987 WDCDEBUG_PRINT(("apollo_chip_map: APO_UDMA now 0x%x\n", udma_conf), 1988 DEBUG_PROBE); 1989 if ((udma_conf & (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1990 APO_UDMA_EN_MTH(0, 0))) == 1991 (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1992 APO_UDMA_EN_MTH(0, 0))) { 1993 if ((udma_conf & APO_UDMA_CLK66(0)) == 1994 APO_UDMA_CLK66(0)) { 1995 printf("%s: Ultra/66 capable\n", 1996 sc->sc_wdcdev.sc_dev.dv_xname); 1997 sc->sc_wdcdev.UDMA_cap = 4; 1998 } else { 1999 printf("%s: Ultra/33 capable\n", 2000 sc->sc_wdcdev.sc_dev.dv_xname); 2001 sc->sc_wdcdev.UDMA_cap = 2; 2002 } 2003 } else { 2004 sc->sc_wdcdev.cap &= ~WDC_CAPABILITY_UDMA; 2005 } 2006 pci_conf_write(sc->sc_pc, sc->sc_tag, old_udma_conf, APO_UDMA); 2007 2008 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2009 cp = &sc->pciide_channels[channel]; 2010 if (pciide_chansetup(sc, channel, interface) == 0) 2011 continue; 2012 2013 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 2014 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 2015 printf("%s: %s channel ignored (disabled)\n", 2016 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2017 continue; 2018 } 2019 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2020 pciide_pci_intr); 2021 if (cp->hw_ok == 0) 2022 continue; 2023 if (pciide_chan_candisable(cp)) { 2024 ideconf &= ~APO_IDECONF_EN(channel); 2025 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2026 ideconf); 2027 } 2028 pciide_map_compat_intr(pa, cp, channel, interface); 2029 2030 if (cp->hw_ok == 0) 2031 continue; 2032 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2033 } 2034 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2035 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2036 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2037 } 2038 2039 void 2040 apollo_setup_channel(chp) 2041 struct channel_softc *chp; 2042 { 2043 u_int32_t udmatim_reg, datatim_reg; 2044 u_int8_t idedma_ctl; 2045 int mode, drive; 2046 struct ata_drive_datas *drvp; 2047 struct pciide_channel *cp = (struct pciide_channel*)chp; 2048 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2049 2050 idedma_ctl = 0; 2051 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2052 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2053 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2054 udmatim_reg &= ~APO_UDMA_MASK(chp->channel); 2055 2056 /* setup DMA if needed */ 2057 pciide_channel_dma_setup(cp); 2058 2059 /* 2060 * We can't mix Ultra/33 and Ultra/66 on the same channel, so 2061 * downgrade to Ultra/33 if needed 2062 */ 2063 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 2064 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 2065 /* both drives UDMA */ 2066 if (chp->ch_drive[0].UDMA_mode > 2 && 2067 chp->ch_drive[1].UDMA_mode <= 2) { 2068 /* drive 0 Ultra/66, drive 1 Ultra/33 */ 2069 chp->ch_drive[0].UDMA_mode = 2; 2070 } else if (chp->ch_drive[1].UDMA_mode > 2 && 2071 chp->ch_drive[0].UDMA_mode <= 2) { 2072 /* drive 1 Ultra/66, drive 0 Ultra/33 */ 2073 chp->ch_drive[1].UDMA_mode = 2; 2074 } 2075 } 2076 2077 for (drive = 0; drive < 2; drive++) { 2078 drvp = &chp->ch_drive[drive]; 2079 /* If no drive, skip */ 2080 if ((drvp->drive_flags & DRIVE) == 0) 2081 continue; 2082 /* add timing values, setup DMA if needed */ 2083 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2084 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2085 mode = drvp->PIO_mode; 2086 goto pio; 2087 } 2088 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2089 (drvp->drive_flags & DRIVE_UDMA)) { 2090 /* use Ultra/DMA */ 2091 drvp->drive_flags &= ~DRIVE_DMA; 2092 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2093 APO_UDMA_EN_MTH(chp->channel, drive) | 2094 APO_UDMA_TIME(chp->channel, drive, 2095 apollo_udma_tim[drvp->UDMA_mode]); 2096 if (drvp->UDMA_mode > 2) 2097 udmatim_reg |= 2098 APO_UDMA_CLK66(chp->channel); 2099 /* can use PIO timings, MW DMA unused */ 2100 mode = drvp->PIO_mode; 2101 } else { 2102 /* use Multiword DMA */ 2103 drvp->drive_flags &= ~DRIVE_UDMA; 2104 /* mode = min(pio, dma+2) */ 2105 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2106 mode = drvp->PIO_mode; 2107 else 2108 mode = drvp->DMA_mode + 2; 2109 } 2110 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2111 2112 pio: /* setup PIO mode */ 2113 if (mode <= 2) { 2114 drvp->DMA_mode = 0; 2115 drvp->PIO_mode = 0; 2116 mode = 0; 2117 } else { 2118 drvp->PIO_mode = mode; 2119 drvp->DMA_mode = mode - 2; 2120 } 2121 datatim_reg |= 2122 APO_DATATIM_PULSE(chp->channel, drive, 2123 apollo_pio_set[mode]) | 2124 APO_DATATIM_RECOV(chp->channel, drive, 2125 apollo_pio_rec[mode]); 2126 } 2127 if (idedma_ctl != 0) { 2128 /* Add software bits in status register */ 2129 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2130 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2131 idedma_ctl); 2132 } 2133 pciide_print_modes(cp); 2134 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2135 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2136 } 2137 2138 void 2139 cmd_channel_map(pa, sc, channel) 2140 struct pci_attach_args *pa; 2141 struct pciide_softc *sc; 2142 int channel; 2143 { 2144 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2145 bus_size_t cmdsize, ctlsize; 2146 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2147 int interface; 2148 2149 /* 2150 * The 0648/0649 can be told to identify as a RAID controller. 2151 * In this case, we have to fake interface 2152 */ 2153 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2154 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2155 PCIIDE_INTERFACE_SETTABLE(1); 2156 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2157 CMD_CONF_DSA1) 2158 interface |= PCIIDE_INTERFACE_PCI(0) | 2159 PCIIDE_INTERFACE_PCI(1); 2160 } else { 2161 interface = PCI_INTERFACE(pa->pa_class); 2162 } 2163 2164 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2165 cp->name = PCIIDE_CHANNEL_NAME(channel); 2166 cp->wdc_channel.channel = channel; 2167 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2168 2169 if (channel > 0) { 2170 cp->wdc_channel.ch_queue = 2171 sc->pciide_channels[0].wdc_channel.ch_queue; 2172 } else { 2173 cp->wdc_channel.ch_queue = 2174 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2175 } 2176 if (cp->wdc_channel.ch_queue == NULL) { 2177 printf("%s %s channel: " 2178 "can't allocate memory for command queue", 2179 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2180 return; 2181 } 2182 2183 printf("%s: %s channel %s to %s mode\n", 2184 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2185 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2186 "configured" : "wired", 2187 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2188 "native-PCI" : "compatibility"); 2189 2190 /* 2191 * with a CMD PCI64x, if we get here, the first channel is enabled: 2192 * there's no way to disable the first channel without disabling 2193 * the whole device 2194 */ 2195 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2196 printf("%s: %s channel ignored (disabled)\n", 2197 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2198 return; 2199 } 2200 2201 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2202 if (cp->hw_ok == 0) 2203 return; 2204 if (channel == 1) { 2205 if (pciide_chan_candisable(cp)) { 2206 ctrl &= ~CMD_CTRL_2PORT; 2207 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2208 CMD_CTRL, ctrl); 2209 } 2210 } 2211 pciide_map_compat_intr(pa, cp, channel, interface); 2212 } 2213 2214 int 2215 cmd_pci_intr(arg) 2216 void *arg; 2217 { 2218 struct pciide_softc *sc = arg; 2219 struct pciide_channel *cp; 2220 struct channel_softc *wdc_cp; 2221 int i, rv, crv; 2222 u_int32_t priirq, secirq; 2223 2224 rv = 0; 2225 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2226 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2227 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2228 cp = &sc->pciide_channels[i]; 2229 wdc_cp = &cp->wdc_channel; 2230 /* If a compat channel skip. */ 2231 if (cp->compat) 2232 continue; 2233 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2234 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2235 crv = wdcintr(wdc_cp); 2236 if (crv == 0) 2237 printf("%s:%d: bogus intr\n", 2238 sc->sc_wdcdev.sc_dev.dv_xname, i); 2239 else 2240 rv = 1; 2241 } 2242 } 2243 return rv; 2244 } 2245 2246 void 2247 cmd_chip_map(sc, pa) 2248 struct pciide_softc *sc; 2249 struct pci_attach_args *pa; 2250 { 2251 int channel; 2252 2253 /* 2254 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2255 * and base adresses registers can be disabled at 2256 * hardware level. In this case, the device is wired 2257 * in compat mode and its first channel is always enabled, 2258 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2259 * In fact, it seems that the first channel of the CMD PCI0640 2260 * can't be disabled. 2261 */ 2262 2263 #ifdef PCIIDE_CMD064x_DISABLE 2264 if (pciide_chipen(sc, pa) == 0) 2265 return; 2266 #endif 2267 2268 printf("%s: hardware does not support DMA\n", 2269 sc->sc_wdcdev.sc_dev.dv_xname); 2270 sc->sc_dma_ok = 0; 2271 2272 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2273 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2274 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2275 2276 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2277 cmd_channel_map(pa, sc, channel); 2278 } 2279 } 2280 2281 void 2282 cmd0643_9_chip_map(sc, pa) 2283 struct pciide_softc *sc; 2284 struct pci_attach_args *pa; 2285 { 2286 struct pciide_channel *cp; 2287 int channel; 2288 int rev = PCI_REVISION( 2289 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2290 2291 /* 2292 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2293 * and base adresses registers can be disabled at 2294 * hardware level. In this case, the device is wired 2295 * in compat mode and its first channel is always enabled, 2296 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2297 * In fact, it seems that the first channel of the CMD PCI0640 2298 * can't be disabled. 2299 */ 2300 2301 #ifdef PCIIDE_CMD064x_DISABLE 2302 if (pciide_chipen(sc, pa) == 0) 2303 return; 2304 #endif 2305 printf("%s: bus-master DMA support present", 2306 sc->sc_wdcdev.sc_dev.dv_xname); 2307 pciide_mapreg_dma(sc, pa); 2308 printf("\n"); 2309 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2310 WDC_CAPABILITY_MODE; 2311 if (sc->sc_dma_ok) { 2312 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2313 switch (sc->sc_pp->ide_product) { 2314 case PCI_PRODUCT_CMDTECH_649: 2315 case PCI_PRODUCT_CMDTECH_648: 2316 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2317 sc->sc_wdcdev.UDMA_cap = 4; 2318 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2319 break; 2320 case PCI_PRODUCT_CMDTECH_646: 2321 if (rev >= CMD0646U2_REV) { 2322 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2323 sc->sc_wdcdev.UDMA_cap = 2; 2324 } else if (rev >= CMD0646U_REV) { 2325 /* 2326 * Linux's driver claims that the 646U is broken 2327 * with UDMA. Only enable it if we know what we're 2328 * doing 2329 */ 2330 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2331 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2332 sc->sc_wdcdev.UDMA_cap = 2; 2333 #endif 2334 /* explicitely disable UDMA */ 2335 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2336 CMD_UDMATIM(0), 0); 2337 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2338 CMD_UDMATIM(1), 0); 2339 } 2340 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2341 break; 2342 default: 2343 sc->sc_wdcdev.irqack = pciide_irqack; 2344 } 2345 } 2346 2347 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2348 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2349 sc->sc_wdcdev.PIO_cap = 4; 2350 sc->sc_wdcdev.DMA_cap = 2; 2351 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2352 2353 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2354 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2355 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2356 DEBUG_PROBE); 2357 2358 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2359 cp = &sc->pciide_channels[channel]; 2360 cmd_channel_map(pa, sc, channel); 2361 if (cp->hw_ok == 0) 2362 continue; 2363 cmd0643_9_setup_channel(&cp->wdc_channel); 2364 } 2365 /* 2366 * note - this also makes sure we clear the irq disable and reset 2367 * bits 2368 */ 2369 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2370 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2371 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2372 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2373 DEBUG_PROBE); 2374 } 2375 2376 void 2377 cmd0643_9_setup_channel(chp) 2378 struct channel_softc *chp; 2379 { 2380 struct ata_drive_datas *drvp; 2381 u_int8_t tim; 2382 u_int32_t idedma_ctl, udma_reg; 2383 int drive; 2384 struct pciide_channel *cp = (struct pciide_channel*)chp; 2385 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2386 2387 idedma_ctl = 0; 2388 /* setup DMA if needed */ 2389 pciide_channel_dma_setup(cp); 2390 2391 for (drive = 0; drive < 2; drive++) { 2392 drvp = &chp->ch_drive[drive]; 2393 /* If no drive, skip */ 2394 if ((drvp->drive_flags & DRIVE) == 0) 2395 continue; 2396 /* add timing values, setup DMA if needed */ 2397 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2398 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2399 if (drvp->drive_flags & DRIVE_UDMA) { 2400 /* UltraDMA on a 646U2, 0648 or 0649 */ 2401 drvp->drive_flags &= ~DRIVE_DMA; 2402 udma_reg = pciide_pci_read(sc->sc_pc, 2403 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2404 if (drvp->UDMA_mode > 2 && 2405 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2406 CMD_BICSR) & 2407 CMD_BICSR_80(chp->channel)) == 0) 2408 drvp->UDMA_mode = 2; 2409 if (drvp->UDMA_mode > 2) 2410 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2411 else if (sc->sc_wdcdev.UDMA_cap > 2) 2412 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2413 udma_reg |= CMD_UDMATIM_UDMA(drive); 2414 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2415 CMD_UDMATIM_TIM_OFF(drive)); 2416 udma_reg |= 2417 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2418 CMD_UDMATIM_TIM_OFF(drive)); 2419 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2420 CMD_UDMATIM(chp->channel), udma_reg); 2421 } else { 2422 /* 2423 * use Multiword DMA. 2424 * Timings will be used for both PIO and DMA, 2425 * so adjust DMA mode if needed 2426 * if we have a 0646U2/8/9, turn off UDMA 2427 */ 2428 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2429 udma_reg = pciide_pci_read(sc->sc_pc, 2430 sc->sc_tag, 2431 CMD_UDMATIM(chp->channel)); 2432 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2433 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2434 CMD_UDMATIM(chp->channel), 2435 udma_reg); 2436 } 2437 if (drvp->PIO_mode >= 3 && 2438 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2439 drvp->DMA_mode = drvp->PIO_mode - 2; 2440 } 2441 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2442 } 2443 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2444 } 2445 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2446 CMD_DATA_TIM(chp->channel, drive), tim); 2447 } 2448 if (idedma_ctl != 0) { 2449 /* Add software bits in status register */ 2450 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2451 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2452 idedma_ctl); 2453 } 2454 pciide_print_modes(cp); 2455 } 2456 2457 void 2458 cmd646_9_irqack(chp) 2459 struct channel_softc *chp; 2460 { 2461 u_int32_t priirq, secirq; 2462 struct pciide_channel *cp = (struct pciide_channel*)chp; 2463 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2464 2465 if (chp->channel == 0) { 2466 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2467 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2468 } else { 2469 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2470 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2471 } 2472 pciide_irqack(chp); 2473 } 2474 2475 void 2476 cy693_chip_map(sc, pa) 2477 struct pciide_softc *sc; 2478 struct pci_attach_args *pa; 2479 { 2480 struct pciide_channel *cp; 2481 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2482 bus_size_t cmdsize, ctlsize; 2483 2484 if (pciide_chipen(sc, pa) == 0) 2485 return; 2486 /* 2487 * this chip has 2 PCI IDE functions, one for primary and one for 2488 * secondary. So we need to call pciide_mapregs_compat() with 2489 * the real channel 2490 */ 2491 if (pa->pa_function == 1) { 2492 sc->sc_cy_compatchan = 0; 2493 } else if (pa->pa_function == 2) { 2494 sc->sc_cy_compatchan = 1; 2495 } else { 2496 printf("%s: unexpected PCI function %d\n", 2497 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2498 return; 2499 } 2500 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2501 printf("%s: bus-master DMA support present", 2502 sc->sc_wdcdev.sc_dev.dv_xname); 2503 pciide_mapreg_dma(sc, pa); 2504 } else { 2505 printf("%s: hardware does not support DMA", 2506 sc->sc_wdcdev.sc_dev.dv_xname); 2507 sc->sc_dma_ok = 0; 2508 } 2509 printf("\n"); 2510 2511 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2512 if (sc->sc_cy_handle == NULL) { 2513 printf("%s: unable to map hyperCache control registers\n", 2514 sc->sc_wdcdev.sc_dev.dv_xname); 2515 sc->sc_dma_ok = 0; 2516 } 2517 2518 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2519 WDC_CAPABILITY_MODE; 2520 if (sc->sc_dma_ok) { 2521 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2522 sc->sc_wdcdev.irqack = pciide_irqack; 2523 } 2524 sc->sc_wdcdev.PIO_cap = 4; 2525 sc->sc_wdcdev.DMA_cap = 2; 2526 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2527 2528 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2529 sc->sc_wdcdev.nchannels = 1; 2530 2531 /* Only one channel for this chip; if we are here it's enabled */ 2532 cp = &sc->pciide_channels[0]; 2533 sc->wdc_chanarray[0] = &cp->wdc_channel; 2534 cp->name = PCIIDE_CHANNEL_NAME(0); 2535 cp->wdc_channel.channel = 0; 2536 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2537 cp->wdc_channel.ch_queue = 2538 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2539 if (cp->wdc_channel.ch_queue == NULL) { 2540 printf("%s primary channel: " 2541 "can't allocate memory for command queue", 2542 sc->sc_wdcdev.sc_dev.dv_xname); 2543 return; 2544 } 2545 printf("%s: primary channel %s to ", 2546 sc->sc_wdcdev.sc_dev.dv_xname, 2547 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2548 "configured" : "wired"); 2549 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2550 printf("native-PCI"); 2551 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2552 pciide_pci_intr); 2553 } else { 2554 printf("compatibility"); 2555 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2556 &cmdsize, &ctlsize); 2557 } 2558 printf(" mode\n"); 2559 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2560 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2561 wdcattach(&cp->wdc_channel); 2562 if (pciide_chan_candisable(cp)) { 2563 pci_conf_write(sc->sc_pc, sc->sc_tag, 2564 PCI_COMMAND_STATUS_REG, 0); 2565 } 2566 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2567 if (cp->hw_ok == 0) 2568 return; 2569 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2570 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2571 cy693_setup_channel(&cp->wdc_channel); 2572 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2573 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2574 } 2575 2576 void 2577 cy693_setup_channel(chp) 2578 struct channel_softc *chp; 2579 { 2580 struct ata_drive_datas *drvp; 2581 int drive; 2582 u_int32_t cy_cmd_ctrl; 2583 u_int32_t idedma_ctl; 2584 struct pciide_channel *cp = (struct pciide_channel*)chp; 2585 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2586 int dma_mode = -1; 2587 2588 cy_cmd_ctrl = idedma_ctl = 0; 2589 2590 /* setup DMA if needed */ 2591 pciide_channel_dma_setup(cp); 2592 2593 for (drive = 0; drive < 2; drive++) { 2594 drvp = &chp->ch_drive[drive]; 2595 /* If no drive, skip */ 2596 if ((drvp->drive_flags & DRIVE) == 0) 2597 continue; 2598 /* add timing values, setup DMA if needed */ 2599 if (drvp->drive_flags & DRIVE_DMA) { 2600 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2601 /* use Multiword DMA */ 2602 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2603 dma_mode = drvp->DMA_mode; 2604 } 2605 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2606 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2607 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2608 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2609 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2610 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2611 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2612 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2613 } 2614 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2615 chp->ch_drive[0].DMA_mode = dma_mode; 2616 chp->ch_drive[1].DMA_mode = dma_mode; 2617 2618 if (dma_mode == -1) 2619 dma_mode = 0; 2620 2621 if (sc->sc_cy_handle != NULL) { 2622 /* Note: `multiple' is implied. */ 2623 cy82c693_write(sc->sc_cy_handle, 2624 (sc->sc_cy_compatchan == 0) ? 2625 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2626 } 2627 2628 pciide_print_modes(cp); 2629 2630 if (idedma_ctl != 0) { 2631 /* Add software bits in status register */ 2632 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2633 IDEDMA_CTL, idedma_ctl); 2634 } 2635 } 2636 2637 void 2638 sis_chip_map(sc, pa) 2639 struct pciide_softc *sc; 2640 struct pci_attach_args *pa; 2641 { 2642 struct pciide_channel *cp; 2643 int channel; 2644 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2645 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2646 pcireg_t rev = PCI_REVISION(pa->pa_class); 2647 bus_size_t cmdsize, ctlsize; 2648 2649 if (pciide_chipen(sc, pa) == 0) 2650 return; 2651 printf("%s: bus-master DMA support present", 2652 sc->sc_wdcdev.sc_dev.dv_xname); 2653 pciide_mapreg_dma(sc, pa); 2654 printf("\n"); 2655 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2656 WDC_CAPABILITY_MODE; 2657 if (sc->sc_dma_ok) { 2658 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2659 sc->sc_wdcdev.irqack = pciide_irqack; 2660 if (rev > 0xd0) 2661 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2662 } 2663 2664 sc->sc_wdcdev.PIO_cap = 4; 2665 sc->sc_wdcdev.DMA_cap = 2; 2666 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2667 sc->sc_wdcdev.UDMA_cap = 2; 2668 sc->sc_wdcdev.set_modes = sis_setup_channel; 2669 2670 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2671 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2672 2673 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2674 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2675 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2676 2677 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2678 cp = &sc->pciide_channels[channel]; 2679 if (pciide_chansetup(sc, channel, interface) == 0) 2680 continue; 2681 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2682 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2683 printf("%s: %s channel ignored (disabled)\n", 2684 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2685 continue; 2686 } 2687 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2688 pciide_pci_intr); 2689 if (cp->hw_ok == 0) 2690 continue; 2691 if (pciide_chan_candisable(cp)) { 2692 if (channel == 0) 2693 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2694 else 2695 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2696 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2697 sis_ctr0); 2698 } 2699 pciide_map_compat_intr(pa, cp, channel, interface); 2700 if (cp->hw_ok == 0) 2701 continue; 2702 sis_setup_channel(&cp->wdc_channel); 2703 } 2704 } 2705 2706 void 2707 sis_setup_channel(chp) 2708 struct channel_softc *chp; 2709 { 2710 struct ata_drive_datas *drvp; 2711 int drive; 2712 u_int32_t sis_tim; 2713 u_int32_t idedma_ctl; 2714 struct pciide_channel *cp = (struct pciide_channel*)chp; 2715 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2716 2717 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2718 "channel %d 0x%x\n", chp->channel, 2719 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2720 DEBUG_PROBE); 2721 sis_tim = 0; 2722 idedma_ctl = 0; 2723 /* setup DMA if needed */ 2724 pciide_channel_dma_setup(cp); 2725 2726 for (drive = 0; drive < 2; drive++) { 2727 drvp = &chp->ch_drive[drive]; 2728 /* If no drive, skip */ 2729 if ((drvp->drive_flags & DRIVE) == 0) 2730 continue; 2731 /* add timing values, setup DMA if needed */ 2732 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2733 (drvp->drive_flags & DRIVE_UDMA) == 0) 2734 goto pio; 2735 2736 if (drvp->drive_flags & DRIVE_UDMA) { 2737 /* use Ultra/DMA */ 2738 drvp->drive_flags &= ~DRIVE_DMA; 2739 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2740 SIS_TIM_UDMA_TIME_OFF(drive); 2741 sis_tim |= SIS_TIM_UDMA_EN(drive); 2742 } else { 2743 /* 2744 * use Multiword DMA 2745 * Timings will be used for both PIO and DMA, 2746 * so adjust DMA mode if needed 2747 */ 2748 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2749 drvp->PIO_mode = drvp->DMA_mode + 2; 2750 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2751 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2752 drvp->PIO_mode - 2 : 0; 2753 if (drvp->DMA_mode == 0) 2754 drvp->PIO_mode = 0; 2755 } 2756 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2757 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2758 SIS_TIM_ACT_OFF(drive); 2759 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2760 SIS_TIM_REC_OFF(drive); 2761 } 2762 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2763 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2764 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2765 if (idedma_ctl != 0) { 2766 /* Add software bits in status register */ 2767 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2768 IDEDMA_CTL, idedma_ctl); 2769 } 2770 pciide_print_modes(cp); 2771 } 2772 2773 void 2774 acer_chip_map(sc, pa) 2775 struct pciide_softc *sc; 2776 struct pci_attach_args *pa; 2777 { 2778 struct pciide_channel *cp; 2779 int channel; 2780 pcireg_t cr, interface; 2781 bus_size_t cmdsize, ctlsize; 2782 pcireg_t rev = PCI_REVISION(pa->pa_class); 2783 2784 if (pciide_chipen(sc, pa) == 0) 2785 return; 2786 printf("%s: bus-master DMA support present", 2787 sc->sc_wdcdev.sc_dev.dv_xname); 2788 pciide_mapreg_dma(sc, pa); 2789 printf("\n"); 2790 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2791 WDC_CAPABILITY_MODE; 2792 if (sc->sc_dma_ok) { 2793 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; 2794 if (rev >= 0x20) 2795 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2796 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2797 sc->sc_wdcdev.irqack = pciide_irqack; 2798 } 2799 2800 sc->sc_wdcdev.PIO_cap = 4; 2801 sc->sc_wdcdev.DMA_cap = 2; 2802 sc->sc_wdcdev.UDMA_cap = 2; 2803 sc->sc_wdcdev.set_modes = acer_setup_channel; 2804 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2805 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2806 2807 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2808 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2809 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2810 2811 /* Enable "microsoft register bits" R/W. */ 2812 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2813 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2814 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2815 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2816 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2817 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2818 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2819 ~ACER_CHANSTATUSREGS_RO); 2820 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2821 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2822 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2823 /* Don't use cr, re-read the real register content instead */ 2824 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2825 PCI_CLASS_REG)); 2826 2827 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2828 cp = &sc->pciide_channels[channel]; 2829 if (pciide_chansetup(sc, channel, interface) == 0) 2830 continue; 2831 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2832 printf("%s: %s channel ignored (disabled)\n", 2833 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2834 continue; 2835 } 2836 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2837 acer_pci_intr); 2838 if (cp->hw_ok == 0) 2839 continue; 2840 if (pciide_chan_candisable(cp)) { 2841 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2842 pci_conf_write(sc->sc_pc, sc->sc_tag, 2843 PCI_CLASS_REG, cr); 2844 } 2845 pciide_map_compat_intr(pa, cp, channel, interface); 2846 acer_setup_channel(&cp->wdc_channel); 2847 } 2848 } 2849 2850 void 2851 acer_setup_channel(chp) 2852 struct channel_softc *chp; 2853 { 2854 struct ata_drive_datas *drvp; 2855 int drive; 2856 u_int32_t acer_fifo_udma; 2857 u_int32_t idedma_ctl; 2858 struct pciide_channel *cp = (struct pciide_channel*)chp; 2859 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2860 2861 idedma_ctl = 0; 2862 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 2863 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 2864 acer_fifo_udma), DEBUG_PROBE); 2865 /* setup DMA if needed */ 2866 pciide_channel_dma_setup(cp); 2867 2868 for (drive = 0; drive < 2; drive++) { 2869 drvp = &chp->ch_drive[drive]; 2870 /* If no drive, skip */ 2871 if ((drvp->drive_flags & DRIVE) == 0) 2872 continue; 2873 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 2874 "channel %d drive %d 0x%x\n", chp->channel, drive, 2875 pciide_pci_read(sc->sc_pc, sc->sc_tag, 2876 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 2877 /* clear FIFO/DMA mode */ 2878 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 2879 ACER_UDMA_EN(chp->channel, drive) | 2880 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 2881 2882 /* add timing values, setup DMA if needed */ 2883 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2884 (drvp->drive_flags & DRIVE_UDMA) == 0) { 2885 acer_fifo_udma |= 2886 ACER_FTH_OPL(chp->channel, drive, 0x1); 2887 goto pio; 2888 } 2889 2890 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 2891 if (drvp->drive_flags & DRIVE_UDMA) { 2892 /* use Ultra/DMA */ 2893 drvp->drive_flags &= ~DRIVE_DMA; 2894 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 2895 acer_fifo_udma |= 2896 ACER_UDMA_TIM(chp->channel, drive, 2897 acer_udma[drvp->UDMA_mode]); 2898 } else { 2899 /* 2900 * use Multiword DMA 2901 * Timings will be used for both PIO and DMA, 2902 * so adjust DMA mode if needed 2903 */ 2904 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2905 drvp->PIO_mode = drvp->DMA_mode + 2; 2906 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2907 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2908 drvp->PIO_mode - 2 : 0; 2909 if (drvp->DMA_mode == 0) 2910 drvp->PIO_mode = 0; 2911 } 2912 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2913 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 2914 ACER_IDETIM(chp->channel, drive), 2915 acer_pio[drvp->PIO_mode]); 2916 } 2917 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 2918 acer_fifo_udma), DEBUG_PROBE); 2919 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 2920 if (idedma_ctl != 0) { 2921 /* Add software bits in status register */ 2922 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2923 IDEDMA_CTL, idedma_ctl); 2924 } 2925 pciide_print_modes(cp); 2926 } 2927 2928 int 2929 acer_pci_intr(arg) 2930 void *arg; 2931 { 2932 struct pciide_softc *sc = arg; 2933 struct pciide_channel *cp; 2934 struct channel_softc *wdc_cp; 2935 int i, rv, crv; 2936 u_int32_t chids; 2937 2938 rv = 0; 2939 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 2940 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2941 cp = &sc->pciide_channels[i]; 2942 wdc_cp = &cp->wdc_channel; 2943 /* If a compat channel skip. */ 2944 if (cp->compat) 2945 continue; 2946 if (chids & ACER_CHIDS_INT(i)) { 2947 crv = wdcintr(wdc_cp); 2948 if (crv == 0) 2949 printf("%s:%d: bogus intr\n", 2950 sc->sc_wdcdev.sc_dev.dv_xname, i); 2951 else 2952 rv = 1; 2953 } 2954 } 2955 return rv; 2956 } 2957 2958 void 2959 hpt_chip_map(sc, pa) 2960 struct pciide_softc *sc; 2961 struct pci_attach_args *pa; 2962 { 2963 struct pciide_channel *cp; 2964 int i, compatchan, revision; 2965 pcireg_t interface; 2966 bus_size_t cmdsize, ctlsize; 2967 2968 if (pciide_chipen(sc, pa) == 0) 2969 return; 2970 revision = PCI_REVISION(pa->pa_class); 2971 2972 /* 2973 * when the chip is in native mode it identifies itself as a 2974 * 'misc mass storage'. Fake interface in this case. 2975 */ 2976 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 2977 interface = PCI_INTERFACE(pa->pa_class); 2978 } else { 2979 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 2980 PCIIDE_INTERFACE_PCI(0); 2981 if (revision == HPT370_REV) 2982 interface |= PCIIDE_INTERFACE_PCI(1); 2983 } 2984 2985 printf("%s: bus-master DMA support present", 2986 sc->sc_wdcdev.sc_dev.dv_xname); 2987 pciide_mapreg_dma(sc, pa); 2988 printf("\n"); 2989 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2990 WDC_CAPABILITY_MODE; 2991 if (sc->sc_dma_ok) { 2992 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2993 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2994 sc->sc_wdcdev.irqack = pciide_irqack; 2995 } 2996 sc->sc_wdcdev.PIO_cap = 4; 2997 sc->sc_wdcdev.DMA_cap = 2; 2998 2999 sc->sc_wdcdev.set_modes = hpt_setup_channel; 3000 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3001 if (revision == HPT366_REV) { 3002 sc->sc_wdcdev.UDMA_cap = 4; 3003 /* 3004 * The 366 has 2 PCI IDE functions, one for primary and one 3005 * for secondary. So we need to call pciide_mapregs_compat() 3006 * with the real channel 3007 */ 3008 if (pa->pa_function == 0) { 3009 compatchan = 0; 3010 } else if (pa->pa_function == 1) { 3011 compatchan = 1; 3012 } else { 3013 printf("%s: unexpected PCI function %d\n", 3014 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 3015 return; 3016 } 3017 sc->sc_wdcdev.nchannels = 1; 3018 } else { 3019 sc->sc_wdcdev.nchannels = 2; 3020 sc->sc_wdcdev.UDMA_cap = 5; 3021 } 3022 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3023 cp = &sc->pciide_channels[i]; 3024 if (sc->sc_wdcdev.nchannels > 1) { 3025 compatchan = i; 3026 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 3027 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 3028 printf("%s: %s channel ignored (disabled)\n", 3029 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3030 continue; 3031 } 3032 } 3033 if (pciide_chansetup(sc, i, interface) == 0) 3034 continue; 3035 if (interface & PCIIDE_INTERFACE_PCI(i)) { 3036 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 3037 &ctlsize, hpt_pci_intr); 3038 } else { 3039 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 3040 &cmdsize, &ctlsize); 3041 } 3042 if (cp->hw_ok == 0) 3043 return; 3044 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3045 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3046 wdcattach(&cp->wdc_channel); 3047 hpt_setup_channel(&cp->wdc_channel); 3048 } 3049 if (revision == HPT370_REV) { 3050 /* 3051 * HPT370_REV has a bit to disable interrupts, make sure 3052 * to clear it 3053 */ 3054 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 3055 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 3056 ~HPT_CSEL_IRQDIS); 3057 } 3058 return; 3059 } 3060 3061 void 3062 hpt_setup_channel(chp) 3063 struct channel_softc *chp; 3064 { 3065 struct ata_drive_datas *drvp; 3066 int drive; 3067 int cable; 3068 u_int32_t before, after; 3069 u_int32_t idedma_ctl; 3070 struct pciide_channel *cp = (struct pciide_channel*)chp; 3071 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3072 3073 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 3074 3075 /* setup DMA if needed */ 3076 pciide_channel_dma_setup(cp); 3077 3078 idedma_ctl = 0; 3079 3080 /* Per drive settings */ 3081 for (drive = 0; drive < 2; drive++) { 3082 drvp = &chp->ch_drive[drive]; 3083 /* If no drive, skip */ 3084 if ((drvp->drive_flags & DRIVE) == 0) 3085 continue; 3086 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 3087 HPT_IDETIM(chp->channel, drive)); 3088 3089 /* add timing values, setup DMA if needed */ 3090 if (drvp->drive_flags & DRIVE_UDMA) { 3091 /* use Ultra/DMA */ 3092 drvp->drive_flags &= ~DRIVE_DMA; 3093 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 3094 drvp->UDMA_mode > 2) 3095 drvp->UDMA_mode = 2; 3096 after = (sc->sc_wdcdev.nchannels == 2) ? 3097 hpt370_udma[drvp->UDMA_mode] : 3098 hpt366_udma[drvp->UDMA_mode]; 3099 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3100 } else if (drvp->drive_flags & DRIVE_DMA) { 3101 /* 3102 * use Multiword DMA. 3103 * Timings will be used for both PIO and DMA, so adjust 3104 * DMA mode if needed 3105 */ 3106 if (drvp->PIO_mode >= 3 && 3107 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 3108 drvp->DMA_mode = drvp->PIO_mode - 2; 3109 } 3110 after = (sc->sc_wdcdev.nchannels == 2) ? 3111 hpt370_dma[drvp->DMA_mode] : 3112 hpt366_dma[drvp->DMA_mode]; 3113 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3114 } else { 3115 /* PIO only */ 3116 after = (sc->sc_wdcdev.nchannels == 2) ? 3117 hpt370_pio[drvp->PIO_mode] : 3118 hpt366_pio[drvp->PIO_mode]; 3119 } 3120 pci_conf_write(sc->sc_pc, sc->sc_tag, 3121 HPT_IDETIM(chp->channel, drive), after); 3122 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 3123 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 3124 after, before), DEBUG_PROBE); 3125 } 3126 if (idedma_ctl != 0) { 3127 /* Add software bits in status register */ 3128 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3129 IDEDMA_CTL, idedma_ctl); 3130 } 3131 pciide_print_modes(cp); 3132 } 3133 3134 int 3135 hpt_pci_intr(arg) 3136 void *arg; 3137 { 3138 struct pciide_softc *sc = arg; 3139 struct pciide_channel *cp; 3140 struct channel_softc *wdc_cp; 3141 int rv = 0; 3142 int dmastat, i, crv; 3143 3144 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3145 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3146 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3147 if((dmastat & IDEDMA_CTL_INTR) == 0) 3148 continue; 3149 cp = &sc->pciide_channels[i]; 3150 wdc_cp = &cp->wdc_channel; 3151 crv = wdcintr(wdc_cp); 3152 if (crv == 0) { 3153 printf("%s:%d: bogus intr\n", 3154 sc->sc_wdcdev.sc_dev.dv_xname, i); 3155 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3156 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 3157 } else 3158 rv = 1; 3159 } 3160 return rv; 3161 } 3162 3163 3164 /* Macros to test product */ 3165 #define PDC_IS_262(sc) \ 3166 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 3167 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3168 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3169 #define PDC_IS_265(sc) \ 3170 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3171 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3172 3173 void 3174 pdc202xx_chip_map(sc, pa) 3175 struct pciide_softc *sc; 3176 struct pci_attach_args *pa; 3177 { 3178 struct pciide_channel *cp; 3179 int channel; 3180 pcireg_t interface, st, mode; 3181 bus_size_t cmdsize, ctlsize; 3182 3183 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3184 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 3185 DEBUG_PROBE); 3186 if (pciide_chipen(sc, pa) == 0) 3187 return; 3188 3189 /* turn off RAID mode */ 3190 st &= ~PDC2xx_STATE_IDERAID; 3191 3192 /* 3193 * can't rely on the PCI_CLASS_REG content if the chip was in raid 3194 * mode. We have to fake interface 3195 */ 3196 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 3197 if (st & PDC2xx_STATE_NATIVE) 3198 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3199 3200 printf("%s: bus-master DMA support present", 3201 sc->sc_wdcdev.sc_dev.dv_xname); 3202 pciide_mapreg_dma(sc, pa); 3203 printf("\n"); 3204 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3205 WDC_CAPABILITY_MODE; 3206 if (sc->sc_dma_ok) { 3207 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3208 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3209 sc->sc_wdcdev.irqack = pciide_irqack; 3210 } 3211 sc->sc_wdcdev.PIO_cap = 4; 3212 sc->sc_wdcdev.DMA_cap = 2; 3213 if (PDC_IS_265(sc)) 3214 sc->sc_wdcdev.UDMA_cap = 5; 3215 else if (PDC_IS_262(sc)) 3216 sc->sc_wdcdev.UDMA_cap = 4; 3217 else 3218 sc->sc_wdcdev.UDMA_cap = 2; 3219 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3220 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3221 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3222 3223 /* setup failsafe defaults */ 3224 mode = 0; 3225 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3226 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3227 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3228 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3229 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3230 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3231 "initial timings 0x%x, now 0x%x\n", channel, 3232 pci_conf_read(sc->sc_pc, sc->sc_tag, 3233 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3234 DEBUG_PROBE); 3235 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3236 mode | PDC2xx_TIM_IORDYp); 3237 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3238 "initial timings 0x%x, now 0x%x\n", channel, 3239 pci_conf_read(sc->sc_pc, sc->sc_tag, 3240 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3241 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3242 mode); 3243 } 3244 3245 mode = PDC2xx_SCR_DMA; 3246 if (PDC_IS_265(sc)) { 3247 /* the BIOS set it up this way */ 3248 mode = PDC2xx_SCR_SET_GEN(mode, 0x3); 3249 mode |= 0x80000000; 3250 } else if (PDC_IS_262(sc)) { 3251 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3252 } else { 3253 /* the BIOS set it up this way */ 3254 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3255 } 3256 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3257 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3258 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3259 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3260 DEBUG_PROBE); 3261 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3262 3263 /* controller initial state register is OK even without BIOS */ 3264 /* Set DMA mode to IDE DMA compatibility */ 3265 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3266 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3267 DEBUG_PROBE); 3268 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3269 mode | 0x1); 3270 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3271 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3272 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3273 mode | 0x1); 3274 3275 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3276 cp = &sc->pciide_channels[channel]; 3277 if (pciide_chansetup(sc, channel, interface) == 0) 3278 continue; 3279 if ((st & (PDC_IS_262(sc) ? 3280 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3281 printf("%s: %s channel ignored (disabled)\n", 3282 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3283 continue; 3284 } 3285 if (PDC_IS_265(sc)) 3286 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3287 pdc20265_pci_intr); 3288 else 3289 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3290 pdc202xx_pci_intr); 3291 if (cp->hw_ok == 0) 3292 continue; 3293 if (pciide_chan_candisable(cp)) 3294 st &= ~(PDC_IS_262(sc) ? 3295 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3296 pciide_map_compat_intr(pa, cp, channel, interface); 3297 pdc202xx_setup_channel(&cp->wdc_channel); 3298 } 3299 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3300 DEBUG_PROBE); 3301 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3302 return; 3303 } 3304 3305 void 3306 pdc202xx_setup_channel(chp) 3307 struct channel_softc *chp; 3308 { 3309 struct ata_drive_datas *drvp; 3310 int drive; 3311 pcireg_t mode, st; 3312 u_int32_t idedma_ctl, scr, atapi; 3313 struct pciide_channel *cp = (struct pciide_channel*)chp; 3314 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3315 int channel = chp->channel; 3316 3317 /* setup DMA if needed */ 3318 pciide_channel_dma_setup(cp); 3319 3320 idedma_ctl = 0; 3321 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n", 3322 sc->sc_wdcdev.sc_dev.dv_xname, 3323 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)), 3324 DEBUG_PROBE); 3325 3326 /* Per channel settings */ 3327 if (PDC_IS_262(sc)) { 3328 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3329 PDC262_U66); 3330 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3331 /* Trimm UDMA mode */ 3332 if ((st & PDC262_STATE_80P(channel)) != 0 || 3333 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3334 chp->ch_drive[0].UDMA_mode <= 2) || 3335 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3336 chp->ch_drive[1].UDMA_mode <= 2)) { 3337 if (chp->ch_drive[0].UDMA_mode > 2) 3338 chp->ch_drive[0].UDMA_mode = 2; 3339 if (chp->ch_drive[1].UDMA_mode > 2) 3340 chp->ch_drive[1].UDMA_mode = 2; 3341 } 3342 /* Set U66 if needed */ 3343 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3344 chp->ch_drive[0].UDMA_mode > 2) || 3345 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3346 chp->ch_drive[1].UDMA_mode > 2)) 3347 scr |= PDC262_U66_EN(channel); 3348 else 3349 scr &= ~PDC262_U66_EN(channel); 3350 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3351 PDC262_U66, scr); 3352 WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n", 3353 sc->sc_wdcdev.sc_dev.dv_xname, channel, 3354 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3355 PDC262_ATAPI(channel))), DEBUG_PROBE); 3356 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3357 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3358 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3359 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3360 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3361 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3362 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3363 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3364 atapi = 0; 3365 else 3366 atapi = PDC262_ATAPI_UDMA; 3367 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3368 PDC262_ATAPI(channel), atapi); 3369 } 3370 } 3371 for (drive = 0; drive < 2; drive++) { 3372 drvp = &chp->ch_drive[drive]; 3373 /* If no drive, skip */ 3374 if ((drvp->drive_flags & DRIVE) == 0) 3375 continue; 3376 mode = 0; 3377 if (drvp->drive_flags & DRIVE_UDMA) { 3378 /* use Ultra/DMA */ 3379 drvp->drive_flags &= ~DRIVE_DMA; 3380 mode = PDC2xx_TIM_SET_MB(mode, 3381 pdc2xx_udma_mb[drvp->UDMA_mode]); 3382 mode = PDC2xx_TIM_SET_MC(mode, 3383 pdc2xx_udma_mc[drvp->UDMA_mode]); 3384 drvp->drive_flags &= ~DRIVE_DMA; 3385 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3386 } else if (drvp->drive_flags & DRIVE_DMA) { 3387 mode = PDC2xx_TIM_SET_MB(mode, 3388 pdc2xx_dma_mb[drvp->DMA_mode]); 3389 mode = PDC2xx_TIM_SET_MC(mode, 3390 pdc2xx_dma_mc[drvp->DMA_mode]); 3391 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3392 } else { 3393 mode = PDC2xx_TIM_SET_MB(mode, 3394 pdc2xx_dma_mb[0]); 3395 mode = PDC2xx_TIM_SET_MC(mode, 3396 pdc2xx_dma_mc[0]); 3397 } 3398 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3399 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3400 if (drvp->drive_flags & DRIVE_ATA) 3401 mode |= PDC2xx_TIM_PRE; 3402 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3403 if (drvp->PIO_mode >= 3) { 3404 mode |= PDC2xx_TIM_IORDY; 3405 if (drive == 0) 3406 mode |= PDC2xx_TIM_IORDYp; 3407 } 3408 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3409 "timings 0x%x\n", 3410 sc->sc_wdcdev.sc_dev.dv_xname, 3411 chp->channel, drive, mode), DEBUG_PROBE); 3412 pci_conf_write(sc->sc_pc, sc->sc_tag, 3413 PDC2xx_TIM(chp->channel, drive), mode); 3414 } 3415 if (idedma_ctl != 0) { 3416 /* Add software bits in status register */ 3417 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3418 IDEDMA_CTL, idedma_ctl); 3419 } 3420 pciide_print_modes(cp); 3421 } 3422 3423 int 3424 pdc202xx_pci_intr(arg) 3425 void *arg; 3426 { 3427 struct pciide_softc *sc = arg; 3428 struct pciide_channel *cp; 3429 struct channel_softc *wdc_cp; 3430 int i, rv, crv; 3431 u_int32_t scr; 3432 3433 rv = 0; 3434 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3435 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3436 cp = &sc->pciide_channels[i]; 3437 wdc_cp = &cp->wdc_channel; 3438 /* If a compat channel skip. */ 3439 if (cp->compat) 3440 continue; 3441 if (scr & PDC2xx_SCR_INT(i)) { 3442 crv = wdcintr(wdc_cp); 3443 if (crv == 0) 3444 printf("%s:%d: bogus intr (reg 0x%x)\n", 3445 sc->sc_wdcdev.sc_dev.dv_xname, i, scr); 3446 else 3447 rv = 1; 3448 } 3449 } 3450 return rv; 3451 } 3452 3453 int 3454 pdc20265_pci_intr(arg) 3455 void *arg; 3456 { 3457 struct pciide_softc *sc = arg; 3458 struct pciide_channel *cp; 3459 struct channel_softc *wdc_cp; 3460 int i, rv, crv; 3461 u_int32_t dmastat; 3462 3463 rv = 0; 3464 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3465 cp = &sc->pciide_channels[i]; 3466 wdc_cp = &cp->wdc_channel; 3467 /* If a compat channel skip. */ 3468 if (cp->compat) 3469 continue; 3470 /* 3471 * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously, 3472 * however it asserts INT in IDEDMA_CTL even for non-DMA ops. 3473 * So use it instead (requires 2 reg reads instead of 1, 3474 * but we can't do it another way). 3475 */ 3476 dmastat = bus_space_read_1(sc->sc_dma_iot, 3477 sc->sc_dma_ioh, IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3478 if((dmastat & IDEDMA_CTL_INTR) == 0) 3479 continue; 3480 crv = wdcintr(wdc_cp); 3481 if (crv == 0) 3482 printf("%s:%d: bogus intr\n", 3483 sc->sc_wdcdev.sc_dev.dv_xname, i); 3484 else 3485 rv = 1; 3486 } 3487 return rv; 3488 } 3489 3490 void 3491 opti_chip_map(sc, pa) 3492 struct pciide_softc *sc; 3493 struct pci_attach_args *pa; 3494 { 3495 struct pciide_channel *cp; 3496 bus_size_t cmdsize, ctlsize; 3497 pcireg_t interface; 3498 u_int8_t init_ctrl; 3499 int channel; 3500 3501 if (pciide_chipen(sc, pa) == 0) 3502 return; 3503 printf("%s: bus-master DMA support present", 3504 sc->sc_wdcdev.sc_dev.dv_xname); 3505 pciide_mapreg_dma(sc, pa); 3506 printf("\n"); 3507 3508 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3509 WDC_CAPABILITY_MODE; 3510 sc->sc_wdcdev.PIO_cap = 4; 3511 if (sc->sc_dma_ok) { 3512 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3513 sc->sc_wdcdev.irqack = pciide_irqack; 3514 sc->sc_wdcdev.DMA_cap = 2; 3515 } 3516 sc->sc_wdcdev.set_modes = opti_setup_channel; 3517 3518 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3519 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3520 3521 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3522 OPTI_REG_INIT_CONTROL); 3523 3524 interface = PCI_INTERFACE(pa->pa_class); 3525 3526 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3527 cp = &sc->pciide_channels[channel]; 3528 if (pciide_chansetup(sc, channel, interface) == 0) 3529 continue; 3530 if (channel == 1 && 3531 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3532 printf("%s: %s channel ignored (disabled)\n", 3533 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3534 continue; 3535 } 3536 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3537 pciide_pci_intr); 3538 if (cp->hw_ok == 0) 3539 continue; 3540 pciide_map_compat_intr(pa, cp, channel, interface); 3541 if (cp->hw_ok == 0) 3542 continue; 3543 opti_setup_channel(&cp->wdc_channel); 3544 } 3545 } 3546 3547 void 3548 opti_setup_channel(chp) 3549 struct channel_softc *chp; 3550 { 3551 struct ata_drive_datas *drvp; 3552 struct pciide_channel *cp = (struct pciide_channel*)chp; 3553 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3554 int drive, spd; 3555 int mode[2]; 3556 u_int8_t rv, mr; 3557 3558 /* 3559 * The `Delay' and `Address Setup Time' fields of the 3560 * Miscellaneous Register are always zero initially. 3561 */ 3562 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3563 mr &= ~(OPTI_MISC_DELAY_MASK | 3564 OPTI_MISC_ADDR_SETUP_MASK | 3565 OPTI_MISC_INDEX_MASK); 3566 3567 /* Prime the control register before setting timing values */ 3568 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3569 3570 /* Determine the clockrate of the PCIbus the chip is attached to */ 3571 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3572 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3573 3574 /* setup DMA if needed */ 3575 pciide_channel_dma_setup(cp); 3576 3577 for (drive = 0; drive < 2; drive++) { 3578 drvp = &chp->ch_drive[drive]; 3579 /* If no drive, skip */ 3580 if ((drvp->drive_flags & DRIVE) == 0) { 3581 mode[drive] = -1; 3582 continue; 3583 } 3584 3585 if ((drvp->drive_flags & DRIVE_DMA)) { 3586 /* 3587 * Timings will be used for both PIO and DMA, 3588 * so adjust DMA mode if needed 3589 */ 3590 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3591 drvp->PIO_mode = drvp->DMA_mode + 2; 3592 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3593 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3594 drvp->PIO_mode - 2 : 0; 3595 if (drvp->DMA_mode == 0) 3596 drvp->PIO_mode = 0; 3597 3598 mode[drive] = drvp->DMA_mode + 5; 3599 } else 3600 mode[drive] = drvp->PIO_mode; 3601 3602 if (drive && mode[0] >= 0 && 3603 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3604 /* 3605 * Can't have two drives using different values 3606 * for `Address Setup Time'. 3607 * Slow down the faster drive to compensate. 3608 */ 3609 int d = (opti_tim_as[spd][mode[0]] > 3610 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3611 3612 mode[d] = mode[1-d]; 3613 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3614 chp->ch_drive[d].DMA_mode = 0; 3615 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3616 } 3617 } 3618 3619 for (drive = 0; drive < 2; drive++) { 3620 int m; 3621 if ((m = mode[drive]) < 0) 3622 continue; 3623 3624 /* Set the Address Setup Time and select appropriate index */ 3625 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3626 rv |= OPTI_MISC_INDEX(drive); 3627 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3628 3629 /* Set the pulse width and recovery timing parameters */ 3630 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3631 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3632 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3633 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3634 3635 /* Set the Enhanced Mode register appropriately */ 3636 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3637 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3638 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3639 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3640 } 3641 3642 /* Finally, enable the timings */ 3643 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3644 3645 pciide_print_modes(cp); 3646 } 3647
Indexes created Tue Sep 23 07:09:52 GMT 2025