pciide.c revision 1.68.2.21
1 /* $NetBSD: pciide.c,v 1.68.2.21 2001/02/26 21:50:56 he 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 <machine/endian.h> 100 101 #include <vm/vm.h> 102 #include <vm/vm_param.h> 103 #include <vm/vm_kern.h> 104 105 #include <dev/pci/pcireg.h> 106 #include <dev/pci/pcivar.h> 107 #include <dev/pci/pcidevs.h> 108 #include <dev/pci/pciidereg.h> 109 #include <dev/pci/pciidevar.h> 110 #include <dev/pci/pciide_piix_reg.h> 111 #include <dev/pci/pciide_amd_reg.h> 112 #include <dev/pci/pciide_apollo_reg.h> 113 #include <dev/pci/pciide_cmd_reg.h> 114 #include <dev/pci/pciide_cy693_reg.h> 115 #include <dev/pci/pciide_sis_reg.h> 116 #include <dev/pci/pciide_acer_reg.h> 117 #include <dev/pci/pciide_pdc202xx_reg.h> 118 #include <dev/pci/pciide_opti_reg.h> 119 #include <dev/pci/pciide_hpt_reg.h> 120 #include <dev/pci/cy82c693var.h> 121 122 #include "opt_pciide.h" 123 124 /* inlines for reading/writing 8-bit PCI registers */ 125 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 126 int)); 127 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 128 int, u_int8_t)); 129 130 static __inline u_int8_t 131 pciide_pci_read(pc, pa, reg) 132 pci_chipset_tag_t pc; 133 pcitag_t pa; 134 int reg; 135 { 136 137 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 138 ((reg & 0x03) * 8) & 0xff); 139 } 140 141 static __inline void 142 pciide_pci_write(pc, pa, reg, val) 143 pci_chipset_tag_t pc; 144 pcitag_t pa; 145 int reg; 146 u_int8_t val; 147 { 148 pcireg_t pcival; 149 150 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 151 pcival &= ~(0xff << ((reg & 0x03) * 8)); 152 pcival |= (val << ((reg & 0x03) * 8)); 153 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 154 } 155 156 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 157 158 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 159 void piix_setup_channel __P((struct channel_softc*)); 160 void piix3_4_setup_channel __P((struct channel_softc*)); 161 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 162 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 163 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 164 165 void amd756_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 166 void amd756_setup_channel __P((struct channel_softc*)); 167 168 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 169 void apollo_setup_channel __P((struct channel_softc*)); 170 171 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 172 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 173 void cmd0643_9_setup_channel __P((struct channel_softc*)); 174 void cmd_channel_map __P((struct pci_attach_args *, 175 struct pciide_softc *, int)); 176 int cmd_pci_intr __P((void *)); 177 void cmd646_9_irqack __P((struct channel_softc *)); 178 179 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 180 void cy693_setup_channel __P((struct channel_softc*)); 181 182 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 183 void sis_setup_channel __P((struct channel_softc*)); 184 185 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 186 void acer_setup_channel __P((struct channel_softc*)); 187 int acer_pci_intr __P((void *)); 188 189 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 190 void pdc202xx_setup_channel __P((struct channel_softc*)); 191 int pdc202xx_pci_intr __P((void *)); 192 193 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 194 void opti_setup_channel __P((struct channel_softc*)); 195 196 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 197 void hpt_setup_channel __P((struct channel_softc*)); 198 int hpt_pci_intr __P((void *)); 199 200 void pciide_channel_dma_setup __P((struct pciide_channel *)); 201 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 202 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 203 void pciide_dma_start __P((void*, int, int)); 204 int pciide_dma_finish __P((void*, int, int, int)); 205 void pciide_irqack __P((struct channel_softc *)); 206 void pciide_print_modes __P((struct pciide_channel *)); 207 208 struct pciide_product_desc { 209 u_int32_t ide_product; 210 int ide_flags; 211 const char *ide_name; 212 /* map and setup chip, probe drives */ 213 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 214 }; 215 216 /* Flags for ide_flags */ 217 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 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_82801AA_IDE, 249 0, 250 "Intel 82801AA IDE Controller (ICH)", 251 piix_chip_map, 252 }, 253 { PCI_PRODUCT_INTEL_82801AB_IDE, 254 0, 255 "Intel 82801AB IDE Controller (ICH0)", 256 piix_chip_map, 257 }, 258 { PCI_PRODUCT_INTEL_82801BA_IDE, 259 0, 260 "Intel 82801BA IDE Controller (ICH2)", 261 piix_chip_map, 262 }, 263 { PCI_PRODUCT_INTEL_82801BAM_IDE, 264 0, 265 "Intel 82801BAM IDE Controller (ICH2)", 266 piix_chip_map, 267 }, 268 { 0, 269 0, 270 NULL, 271 } 272 }; 273 274 const struct pciide_product_desc pciide_amd_products[] = { 275 { PCI_PRODUCT_AMD_PBC756_IDE, 276 0, 277 "Advanced Micro Devices AMD756 IDE Controller", 278 amd756_chip_map 279 }, 280 { 0, 281 0, 282 NULL, 283 } 284 }; 285 286 const struct pciide_product_desc pciide_cmd_products[] = { 287 { PCI_PRODUCT_CMDTECH_640, 288 0, 289 "CMD Technology PCI0640", 290 cmd_chip_map 291 }, 292 { PCI_PRODUCT_CMDTECH_643, 293 0, 294 "CMD Technology PCI0643", 295 cmd0643_9_chip_map, 296 }, 297 { PCI_PRODUCT_CMDTECH_646, 298 0, 299 "CMD Technology PCI0646", 300 cmd0643_9_chip_map, 301 }, 302 { PCI_PRODUCT_CMDTECH_648, 303 IDE_PCI_CLASS_OVERRIDE, 304 "CMD Technology PCI0648", 305 cmd0643_9_chip_map, 306 }, 307 { PCI_PRODUCT_CMDTECH_649, 308 IDE_PCI_CLASS_OVERRIDE, 309 "CMD Technology PCI0649", 310 cmd0643_9_chip_map, 311 }, 312 { 0, 313 0, 314 NULL, 315 } 316 }; 317 318 const struct pciide_product_desc pciide_via_products[] = { 319 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 320 0, 321 "VIA Tech VT82C586 IDE Controller", 322 apollo_chip_map, 323 }, 324 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 325 0, 326 "VIA Tech VT82C586A IDE Controller", 327 apollo_chip_map, 328 }, 329 { 0, 330 0, 331 NULL, 332 } 333 }; 334 335 const struct pciide_product_desc pciide_cypress_products[] = { 336 { PCI_PRODUCT_CONTAQ_82C693, 337 0, 338 "Cypress 82C693 IDE Controller", 339 cy693_chip_map, 340 }, 341 { 0, 342 0, 343 NULL, 344 } 345 }; 346 347 const struct pciide_product_desc pciide_sis_products[] = { 348 { PCI_PRODUCT_SIS_5597_IDE, 349 0, 350 "Silicon Integrated System 5597/5598 IDE controller", 351 sis_chip_map, 352 }, 353 { 0, 354 0, 355 NULL, 356 } 357 }; 358 359 const struct pciide_product_desc pciide_acer_products[] = { 360 { PCI_PRODUCT_ALI_M5229, 361 0, 362 "Acer Labs M5229 UDMA IDE Controller", 363 acer_chip_map, 364 }, 365 { 0, 366 0, 367 NULL, 368 } 369 }; 370 371 const struct pciide_product_desc pciide_promise_products[] = { 372 { PCI_PRODUCT_PROMISE_ULTRA33, 373 IDE_PCI_CLASS_OVERRIDE, 374 "Promise Ultra33/ATA Bus Master IDE Accelerator", 375 pdc202xx_chip_map, 376 }, 377 { PCI_PRODUCT_PROMISE_ULTRA66, 378 IDE_PCI_CLASS_OVERRIDE, 379 "Promise Ultra66/ATA Bus Master IDE Accelerator", 380 pdc202xx_chip_map, 381 }, 382 { PCI_PRODUCT_PROMISE_ULTRA100, 383 IDE_PCI_CLASS_OVERRIDE, 384 "Promise Ultra100/ATA Bus Master IDE Accelerator", 385 pdc202xx_chip_map, 386 }, 387 { PCI_PRODUCT_PROMISE_ULTRA100X, 388 IDE_PCI_CLASS_OVERRIDE, 389 "Promise Ultra100/ATA Bus Master IDE Accelerator", 390 pdc202xx_chip_map, 391 }, 392 { 0, 393 0, 394 NULL, 395 } 396 }; 397 398 const struct pciide_product_desc pciide_opti_products[] = { 399 { PCI_PRODUCT_OPTI_82C621, 400 0, 401 "OPTi 82c621 PCI IDE controller", 402 opti_chip_map, 403 }, 404 { PCI_PRODUCT_OPTI_82C568, 405 0, 406 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 407 opti_chip_map, 408 }, 409 { PCI_PRODUCT_OPTI_82D568, 410 0, 411 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 412 opti_chip_map, 413 }, 414 { 0, 415 0, 416 NULL, 417 } 418 }; 419 420 const struct pciide_product_desc pciide_triones_products[] = { 421 { PCI_PRODUCT_TRIONES_HPT366, 422 IDE_PCI_CLASS_OVERRIDE, 423 "Triones/Highpoint HPT366/370 IDE Controller", 424 hpt_chip_map, 425 }, 426 { 0, 427 0, 428 NULL, 429 } 430 }; 431 432 struct pciide_vendor_desc { 433 u_int32_t ide_vendor; 434 const struct pciide_product_desc *ide_products; 435 }; 436 437 const struct pciide_vendor_desc pciide_vendors[] = { 438 { PCI_VENDOR_INTEL, pciide_intel_products }, 439 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 440 { PCI_VENDOR_VIATECH, pciide_via_products }, 441 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 442 { PCI_VENDOR_SIS, pciide_sis_products }, 443 { PCI_VENDOR_ALI, pciide_acer_products }, 444 { PCI_VENDOR_PROMISE, pciide_promise_products }, 445 { PCI_VENDOR_AMD, pciide_amd_products }, 446 { PCI_VENDOR_OPTI, pciide_opti_products }, 447 { PCI_VENDOR_TRIONES, pciide_triones_products }, 448 { 0, NULL } 449 }; 450 451 /* options passed via the 'flags' config keyword */ 452 #define PCIIDE_OPTIONS_DMA 0x01 453 454 int pciide_match __P((struct device *, struct cfdata *, void *)); 455 void pciide_attach __P((struct device *, struct device *, void *)); 456 457 struct cfattach pciide_ca = { 458 sizeof(struct pciide_softc), pciide_match, pciide_attach 459 }; 460 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 461 int pciide_mapregs_compat __P(( struct pci_attach_args *, 462 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 463 int pciide_mapregs_native __P((struct pci_attach_args *, 464 struct pciide_channel *, bus_size_t *, bus_size_t *, 465 int (*pci_intr) __P((void *)))); 466 void pciide_mapreg_dma __P((struct pciide_softc *, 467 struct pci_attach_args *)); 468 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 469 void pciide_mapchan __P((struct pci_attach_args *, 470 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 471 int (*pci_intr) __P((void *)))); 472 int pciide_chan_candisable __P((struct pciide_channel *)); 473 void pciide_map_compat_intr __P(( struct pci_attach_args *, 474 struct pciide_channel *, int, int)); 475 int pciide_print __P((void *, const char *pnp)); 476 int pciide_compat_intr __P((void *)); 477 int pciide_pci_intr __P((void *)); 478 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 479 480 const struct pciide_product_desc * 481 pciide_lookup_product(id) 482 u_int32_t id; 483 { 484 const struct pciide_product_desc *pp; 485 const struct pciide_vendor_desc *vp; 486 487 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 488 if (PCI_VENDOR(id) == vp->ide_vendor) 489 break; 490 491 if ((pp = vp->ide_products) == NULL) 492 return NULL; 493 494 for (; pp->ide_name != NULL; pp++) 495 if (PCI_PRODUCT(id) == pp->ide_product) 496 break; 497 498 if (pp->ide_name == NULL) 499 return NULL; 500 return pp; 501 } 502 503 int 504 pciide_match(parent, match, aux) 505 struct device *parent; 506 struct cfdata *match; 507 void *aux; 508 { 509 struct pci_attach_args *pa = aux; 510 const struct pciide_product_desc *pp; 511 512 /* 513 * Check the ID register to see that it's a PCI IDE controller. 514 * If it is, we assume that we can deal with it; it _should_ 515 * work in a standardized way... 516 */ 517 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 518 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 519 return (1); 520 } 521 522 /* 523 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 524 * controllers. Let see if we can deal with it anyway. 525 */ 526 pp = pciide_lookup_product(pa->pa_id); 527 if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 528 return (1); 529 } 530 531 return (0); 532 } 533 534 void 535 pciide_attach(parent, self, aux) 536 struct device *parent, *self; 537 void *aux; 538 { 539 struct pci_attach_args *pa = aux; 540 pci_chipset_tag_t pc = pa->pa_pc; 541 pcitag_t tag = pa->pa_tag; 542 struct pciide_softc *sc = (struct pciide_softc *)self; 543 pcireg_t csr; 544 char devinfo[256]; 545 const char *displaydev; 546 547 sc->sc_pp = pciide_lookup_product(pa->pa_id); 548 if (sc->sc_pp == NULL) { 549 sc->sc_pp = &default_product_desc; 550 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 551 displaydev = devinfo; 552 } else 553 displaydev = sc->sc_pp->ide_name; 554 555 printf(": %s (rev. 0x%02x)\n", displaydev, PCI_REVISION(pa->pa_class)); 556 557 sc->sc_pc = pa->pa_pc; 558 sc->sc_tag = pa->pa_tag; 559 #ifdef WDCDEBUG 560 if (wdcdebug_pciide_mask & DEBUG_PROBE) 561 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 562 #endif 563 sc->sc_pp->chip_map(sc, pa); 564 565 if (sc->sc_dma_ok) { 566 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 567 csr |= PCI_COMMAND_MASTER_ENABLE; 568 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 569 } 570 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 571 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 572 } 573 574 /* tell wether the chip is enabled or not */ 575 int 576 pciide_chipen(sc, pa) 577 struct pciide_softc *sc; 578 struct pci_attach_args *pa; 579 { 580 pcireg_t csr; 581 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 582 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 583 PCI_COMMAND_STATUS_REG); 584 printf("%s: device disabled (at %s)\n", 585 sc->sc_wdcdev.sc_dev.dv_xname, 586 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 587 "device" : "bridge"); 588 return 0; 589 } 590 return 1; 591 } 592 593 int 594 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 595 struct pci_attach_args *pa; 596 struct pciide_channel *cp; 597 int compatchan; 598 bus_size_t *cmdsizep, *ctlsizep; 599 { 600 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 601 struct channel_softc *wdc_cp = &cp->wdc_channel; 602 603 cp->compat = 1; 604 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 605 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 606 607 wdc_cp->cmd_iot = pa->pa_iot; 608 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 609 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 610 printf("%s: couldn't map %s channel cmd regs\n", 611 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 612 return (0); 613 } 614 615 wdc_cp->ctl_iot = pa->pa_iot; 616 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 617 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 618 printf("%s: couldn't map %s channel ctl regs\n", 619 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 620 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 621 PCIIDE_COMPAT_CMD_SIZE); 622 return (0); 623 } 624 625 return (1); 626 } 627 628 int 629 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 630 struct pci_attach_args * pa; 631 struct pciide_channel *cp; 632 bus_size_t *cmdsizep, *ctlsizep; 633 int (*pci_intr) __P((void *)); 634 { 635 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 636 struct channel_softc *wdc_cp = &cp->wdc_channel; 637 const char *intrstr; 638 pci_intr_handle_t intrhandle; 639 640 cp->compat = 0; 641 642 if (sc->sc_pci_ih == NULL) { 643 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 644 pa->pa_intrline, &intrhandle) != 0) { 645 printf("%s: couldn't map native-PCI interrupt\n", 646 sc->sc_wdcdev.sc_dev.dv_xname); 647 return 0; 648 } 649 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 650 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 651 intrhandle, IPL_BIO, pci_intr, sc); 652 if (sc->sc_pci_ih != NULL) { 653 printf("%s: using %s for native-PCI interrupt\n", 654 sc->sc_wdcdev.sc_dev.dv_xname, 655 intrstr ? intrstr : "unknown interrupt"); 656 } else { 657 printf("%s: couldn't establish native-PCI interrupt", 658 sc->sc_wdcdev.sc_dev.dv_xname); 659 if (intrstr != NULL) 660 printf(" at %s", intrstr); 661 printf("\n"); 662 return 0; 663 } 664 } 665 cp->ih = sc->sc_pci_ih; 666 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 667 PCI_MAPREG_TYPE_IO, 0, 668 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 669 printf("%s: couldn't map %s channel cmd regs\n", 670 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 671 return 0; 672 } 673 674 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 675 PCI_MAPREG_TYPE_IO, 0, 676 &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep) != 0) { 677 printf("%s: couldn't map %s channel ctl regs\n", 678 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 679 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 680 return 0; 681 } 682 /* 683 * In native mode, 4 bytes of I/O space are mapped for the control 684 * register, the control register is at offset 2. Pass the generic 685 * code a handle for only one byte at the rigth offset. 686 */ 687 if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, 688 &wdc_cp->ctl_ioh) != 0) { 689 printf("%s: unable to subregion %s channel ctl regs\n", 690 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 691 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 692 bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); 693 return 0; 694 } 695 return (1); 696 } 697 698 void 699 pciide_mapreg_dma(sc, pa) 700 struct pciide_softc *sc; 701 struct pci_attach_args *pa; 702 { 703 pcireg_t maptype; 704 705 /* 706 * Map DMA registers 707 * 708 * Note that sc_dma_ok is the right variable to test to see if 709 * DMA can be done. If the interface doesn't support DMA, 710 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 711 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 712 * non-zero if the interface supports DMA and the registers 713 * could be mapped. 714 * 715 * XXX Note that despite the fact that the Bus Master IDE specs 716 * XXX say that "The bus master IDE function uses 16 bytes of IO 717 * XXX space," some controllers (at least the United 718 * XXX Microelectronics UM8886BF) place it in memory space. 719 */ 720 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 721 PCIIDE_REG_BUS_MASTER_DMA); 722 723 switch (maptype) { 724 case PCI_MAPREG_TYPE_IO: 725 case PCI_MAPREG_MEM_TYPE_32BIT: 726 sc->sc_dma_ok = (pci_mapreg_map(pa, 727 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 728 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 729 sc->sc_dmat = pa->pa_dmat; 730 if (sc->sc_dma_ok == 0) { 731 printf(", but unused (couldn't map registers)"); 732 } else { 733 sc->sc_wdcdev.dma_arg = sc; 734 sc->sc_wdcdev.dma_init = pciide_dma_init; 735 sc->sc_wdcdev.dma_start = pciide_dma_start; 736 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 737 } 738 break; 739 740 default: 741 sc->sc_dma_ok = 0; 742 printf(", but unsupported register maptype (0x%x)", maptype); 743 } 744 } 745 746 int 747 pciide_compat_intr(arg) 748 void *arg; 749 { 750 struct pciide_channel *cp = arg; 751 752 #ifdef DIAGNOSTIC 753 /* should only be called for a compat channel */ 754 if (cp->compat == 0) 755 panic("pciide compat intr called for non-compat chan %p\n", cp); 756 #endif 757 return (wdcintr(&cp->wdc_channel)); 758 } 759 760 int 761 pciide_pci_intr(arg) 762 void *arg; 763 { 764 struct pciide_softc *sc = arg; 765 struct pciide_channel *cp; 766 struct channel_softc *wdc_cp; 767 int i, rv, crv; 768 769 rv = 0; 770 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 771 cp = &sc->pciide_channels[i]; 772 wdc_cp = &cp->wdc_channel; 773 774 /* If a compat channel skip. */ 775 if (cp->compat) 776 continue; 777 /* if this channel not waiting for intr, skip */ 778 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 779 continue; 780 781 crv = wdcintr(wdc_cp); 782 if (crv == 0) 783 ; /* leave rv alone */ 784 else if (crv == 1) 785 rv = 1; /* claim the intr */ 786 else if (rv == 0) /* crv should be -1 in this case */ 787 rv = crv; /* if we've done no better, take it */ 788 } 789 return (rv); 790 } 791 792 void 793 pciide_channel_dma_setup(cp) 794 struct pciide_channel *cp; 795 { 796 int drive; 797 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 798 struct ata_drive_datas *drvp; 799 800 for (drive = 0; drive < 2; drive++) { 801 drvp = &cp->wdc_channel.ch_drive[drive]; 802 /* If no drive, skip */ 803 if ((drvp->drive_flags & DRIVE) == 0) 804 continue; 805 /* setup DMA if needed */ 806 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 807 (drvp->drive_flags & DRIVE_UDMA) == 0) || 808 sc->sc_dma_ok == 0) { 809 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 810 continue; 811 } 812 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 813 != 0) { 814 /* Abort DMA setup */ 815 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 816 continue; 817 } 818 } 819 } 820 821 int 822 pciide_dma_table_setup(sc, channel, drive) 823 struct pciide_softc *sc; 824 int channel, drive; 825 { 826 bus_dma_segment_t seg; 827 int error, rseg; 828 const bus_size_t dma_table_size = 829 sizeof(struct idedma_table) * NIDEDMA_TABLES; 830 struct pciide_dma_maps *dma_maps = 831 &sc->pciide_channels[channel].dma_maps[drive]; 832 833 /* If table was already allocated, just return */ 834 if (dma_maps->dma_table) 835 return 0; 836 837 /* Allocate memory for the DMA tables and map it */ 838 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 839 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 840 BUS_DMA_NOWAIT)) != 0) { 841 printf("%s:%d: unable to allocate table DMA for " 842 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 843 channel, drive, error); 844 return error; 845 } 846 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 847 dma_table_size, 848 (caddr_t *)&dma_maps->dma_table, 849 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 850 printf("%s:%d: unable to map table DMA for" 851 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 852 channel, drive, error); 853 return error; 854 } 855 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, " 856 "phy 0x%lx\n", dma_maps->dma_table, dma_table_size, 857 seg.ds_addr), DEBUG_PROBE); 858 859 /* Create and load table DMA map for this disk */ 860 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 861 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 862 &dma_maps->dmamap_table)) != 0) { 863 printf("%s:%d: unable to create table DMA map for " 864 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 865 channel, drive, error); 866 return error; 867 } 868 if ((error = bus_dmamap_load(sc->sc_dmat, 869 dma_maps->dmamap_table, 870 dma_maps->dma_table, 871 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 872 printf("%s:%d: unable to load table DMA map for " 873 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 874 channel, drive, error); 875 return error; 876 } 877 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 878 dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE); 879 /* Create a xfer DMA map for this drive */ 880 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 881 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN, 882 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 883 &dma_maps->dmamap_xfer)) != 0) { 884 printf("%s:%d: unable to create xfer DMA map for " 885 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 886 channel, drive, error); 887 return error; 888 } 889 return 0; 890 } 891 892 int 893 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 894 void *v; 895 int channel, drive; 896 void *databuf; 897 size_t datalen; 898 int flags; 899 { 900 struct pciide_softc *sc = v; 901 int error, seg; 902 struct pciide_dma_maps *dma_maps = 903 &sc->pciide_channels[channel].dma_maps[drive]; 904 905 error = bus_dmamap_load(sc->sc_dmat, 906 dma_maps->dmamap_xfer, 907 databuf, datalen, NULL, BUS_DMA_NOWAIT); 908 if (error) { 909 printf("%s:%d: unable to load xfer DMA map for" 910 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 911 channel, drive, error); 912 return error; 913 } 914 915 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 916 dma_maps->dmamap_xfer->dm_mapsize, 917 (flags & WDC_DMA_READ) ? 918 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 919 920 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 921 #ifdef DIAGNOSTIC 922 /* A segment must not cross a 64k boundary */ 923 { 924 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 925 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 926 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 927 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 928 printf("pciide_dma: segment %d physical addr 0x%lx" 929 " len 0x%lx not properly aligned\n", 930 seg, phys, len); 931 panic("pciide_dma: buf align"); 932 } 933 } 934 #endif 935 dma_maps->dma_table[seg].base_addr = 936 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 937 dma_maps->dma_table[seg].byte_count = 938 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 939 IDEDMA_BYTE_COUNT_MASK); 940 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 941 seg, le32toh(dma_maps->dma_table[seg].byte_count), 942 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 943 944 } 945 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 946 htole32(IDEDMA_BYTE_COUNT_EOT); 947 948 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 949 dma_maps->dmamap_table->dm_mapsize, 950 BUS_DMASYNC_PREWRITE); 951 952 /* Maps are ready. Start DMA function */ 953 #ifdef DIAGNOSTIC 954 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 955 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 956 dma_maps->dmamap_table->dm_segs[0].ds_addr); 957 panic("pciide_dma_init: table align"); 958 } 959 #endif 960 961 /* Clear status bits */ 962 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 963 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 964 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 965 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 966 /* Write table addr */ 967 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 968 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 969 dma_maps->dmamap_table->dm_segs[0].ds_addr); 970 /* set read/write */ 971 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 972 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 973 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 974 /* remember flags */ 975 dma_maps->dma_flags = flags; 976 return 0; 977 } 978 979 void 980 pciide_dma_start(v, channel, drive) 981 void *v; 982 int channel, drive; 983 { 984 struct pciide_softc *sc = v; 985 986 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 987 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 988 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 989 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 990 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 991 } 992 993 int 994 pciide_dma_finish(v, channel, drive, force) 995 void *v; 996 int channel, drive; 997 int force; 998 { 999 struct pciide_softc *sc = v; 1000 u_int8_t status; 1001 int error = 0; 1002 struct pciide_dma_maps *dma_maps = 1003 &sc->pciide_channels[channel].dma_maps[drive]; 1004 1005 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1006 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 1007 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 1008 DEBUG_XFERS); 1009 1010 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 1011 return WDC_DMAST_NOIRQ; 1012 1013 /* stop DMA channel */ 1014 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1015 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 1016 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1017 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1018 1019 /* Unload the map of the data buffer */ 1020 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1021 dma_maps->dmamap_xfer->dm_mapsize, 1022 (dma_maps->dma_flags & WDC_DMA_READ) ? 1023 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1024 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1025 1026 if ((status & IDEDMA_CTL_ERR) != 0) { 1027 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1028 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1029 error |= WDC_DMAST_ERR; 1030 } 1031 1032 if ((status & IDEDMA_CTL_INTR) == 0) { 1033 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1034 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1035 drive, status); 1036 error |= WDC_DMAST_NOIRQ; 1037 } 1038 1039 if ((status & IDEDMA_CTL_ACT) != 0) { 1040 /* data underrun, may be a valid condition for ATAPI */ 1041 error |= WDC_DMAST_UNDER; 1042 } 1043 return error; 1044 } 1045 1046 void 1047 pciide_irqack(chp) 1048 struct channel_softc *chp; 1049 { 1050 struct pciide_channel *cp = (struct pciide_channel*)chp; 1051 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1052 1053 /* clear status bits in IDE DMA registers */ 1054 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1055 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1056 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1057 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1058 } 1059 1060 /* some common code used by several chip_map */ 1061 int 1062 pciide_chansetup(sc, channel, interface) 1063 struct pciide_softc *sc; 1064 int channel; 1065 pcireg_t interface; 1066 { 1067 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1068 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1069 cp->name = PCIIDE_CHANNEL_NAME(channel); 1070 cp->wdc_channel.channel = channel; 1071 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1072 cp->wdc_channel.ch_queue = 1073 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1074 if (cp->wdc_channel.ch_queue == NULL) { 1075 printf("%s %s channel: " 1076 "can't allocate memory for command queue", 1077 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1078 return 0; 1079 } 1080 printf("%s: %s channel %s to %s mode\n", 1081 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1082 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1083 "configured" : "wired", 1084 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1085 "native-PCI" : "compatibility"); 1086 return 1; 1087 } 1088 1089 /* some common code used by several chip channel_map */ 1090 void 1091 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1092 struct pci_attach_args *pa; 1093 struct pciide_channel *cp; 1094 pcireg_t interface; 1095 bus_size_t *cmdsizep, *ctlsizep; 1096 int (*pci_intr) __P((void *)); 1097 { 1098 struct channel_softc *wdc_cp = &cp->wdc_channel; 1099 1100 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1101 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1102 pci_intr); 1103 else 1104 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1105 wdc_cp->channel, cmdsizep, ctlsizep); 1106 1107 if (cp->hw_ok == 0) 1108 return; 1109 wdc_cp->data32iot = wdc_cp->cmd_iot; 1110 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1111 wdcattach(wdc_cp); 1112 } 1113 1114 /* 1115 * Generic code to call to know if a channel can be disabled. Return 1 1116 * if channel can be disabled, 0 if not 1117 */ 1118 int 1119 pciide_chan_candisable(cp) 1120 struct pciide_channel *cp; 1121 { 1122 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1123 struct channel_softc *wdc_cp = &cp->wdc_channel; 1124 1125 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1126 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1127 printf("%s: disabling %s channel (no drives)\n", 1128 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1129 cp->hw_ok = 0; 1130 return 1; 1131 } 1132 return 0; 1133 } 1134 1135 /* 1136 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1137 * Set hw_ok=0 on failure 1138 */ 1139 void 1140 pciide_map_compat_intr(pa, cp, compatchan, interface) 1141 struct pci_attach_args *pa; 1142 struct pciide_channel *cp; 1143 int compatchan, interface; 1144 { 1145 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1146 struct channel_softc *wdc_cp = &cp->wdc_channel; 1147 1148 if (cp->hw_ok == 0) 1149 return; 1150 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1151 return; 1152 1153 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1154 pa, compatchan, pciide_compat_intr, cp); 1155 if (cp->ih == NULL) { 1156 printf("%s: no compatibility interrupt for use by %s " 1157 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1158 cp->hw_ok = 0; 1159 } 1160 } 1161 1162 void 1163 pciide_print_modes(cp) 1164 struct pciide_channel *cp; 1165 { 1166 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1167 int drive; 1168 struct channel_softc *chp; 1169 struct ata_drive_datas *drvp; 1170 1171 chp = &cp->wdc_channel; 1172 for (drive = 0; drive < 2; drive++) { 1173 drvp = &chp->ch_drive[drive]; 1174 if ((drvp->drive_flags & DRIVE) == 0) 1175 continue; 1176 printf("%s(%s:%d:%d): using PIO mode %d", 1177 drvp->drv_softc->dv_xname, 1178 sc->sc_wdcdev.sc_dev.dv_xname, 1179 chp->channel, drive, drvp->PIO_mode); 1180 if (drvp->drive_flags & DRIVE_DMA) 1181 printf(", DMA mode %d", drvp->DMA_mode); 1182 if (drvp->drive_flags & DRIVE_UDMA) 1183 printf(", Ultra-DMA mode %d", drvp->UDMA_mode); 1184 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) 1185 printf(" (using DMA data transfers)"); 1186 printf("\n"); 1187 } 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_82801AA_IDE: 1355 case PCI_PRODUCT_INTEL_82801AB_IDE: 1356 case PCI_PRODUCT_INTEL_82801BA_IDE: 1357 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1358 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1359 } 1360 } 1361 sc->sc_wdcdev.PIO_cap = 4; 1362 sc->sc_wdcdev.DMA_cap = 2; 1363 switch(sc->sc_pp->ide_product) { 1364 case PCI_PRODUCT_INTEL_82801AA_IDE: 1365 sc->sc_wdcdev.UDMA_cap = 4; 1366 break; 1367 case PCI_PRODUCT_INTEL_82801BA_IDE: 1368 case PCI_PRODUCT_INTEL_82801BAM_IDE: 1369 sc->sc_wdcdev.UDMA_cap = 5; 1370 break; 1371 default: 1372 sc->sc_wdcdev.UDMA_cap = 2; 1373 } 1374 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1375 sc->sc_wdcdev.set_modes = piix_setup_channel; 1376 else 1377 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1378 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1379 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1380 1381 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1382 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1383 DEBUG_PROBE); 1384 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1385 WDCDEBUG_PRINT((", sidetim=0x%x", 1386 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1387 DEBUG_PROBE); 1388 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1389 WDCDEBUG_PRINT((", udamreg 0x%x", 1390 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1391 DEBUG_PROBE); 1392 } 1393 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1394 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1395 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1396 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1397 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1398 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1399 DEBUG_PROBE); 1400 } 1401 1402 } 1403 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1404 1405 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1406 cp = &sc->pciide_channels[channel]; 1407 /* PIIX is compat-only */ 1408 if (pciide_chansetup(sc, channel, 0) == 0) 1409 continue; 1410 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1411 if ((PIIX_IDETIM_READ(idetim, channel) & 1412 PIIX_IDETIM_IDE) == 0) { 1413 printf("%s: %s channel ignored (disabled)\n", 1414 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1415 continue; 1416 } 1417 /* PIIX are compat-only pciide devices */ 1418 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1419 if (cp->hw_ok == 0) 1420 continue; 1421 if (pciide_chan_candisable(cp)) { 1422 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1423 channel); 1424 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1425 idetim); 1426 } 1427 pciide_map_compat_intr(pa, cp, channel, 0); 1428 if (cp->hw_ok == 0) 1429 continue; 1430 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1431 } 1432 1433 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1434 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1435 DEBUG_PROBE); 1436 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1437 WDCDEBUG_PRINT((", sidetim=0x%x", 1438 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1439 DEBUG_PROBE); 1440 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1441 WDCDEBUG_PRINT((", udamreg 0x%x", 1442 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1443 DEBUG_PROBE); 1444 } 1445 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1446 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1447 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1448 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1449 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1450 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1451 DEBUG_PROBE); 1452 } 1453 } 1454 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1455 } 1456 1457 void 1458 piix_setup_channel(chp) 1459 struct channel_softc *chp; 1460 { 1461 u_int8_t mode[2], drive; 1462 u_int32_t oidetim, idetim, idedma_ctl; 1463 struct pciide_channel *cp = (struct pciide_channel*)chp; 1464 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1465 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1466 1467 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1468 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1469 idedma_ctl = 0; 1470 1471 /* set up new idetim: Enable IDE registers decode */ 1472 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1473 chp->channel); 1474 1475 /* setup DMA */ 1476 pciide_channel_dma_setup(cp); 1477 1478 /* 1479 * Here we have to mess up with drives mode: PIIX can't have 1480 * different timings for master and slave drives. 1481 * We need to find the best combination. 1482 */ 1483 1484 /* If both drives supports DMA, take the lower mode */ 1485 if ((drvp[0].drive_flags & DRIVE_DMA) && 1486 (drvp[1].drive_flags & DRIVE_DMA)) { 1487 mode[0] = mode[1] = 1488 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1489 drvp[0].DMA_mode = mode[0]; 1490 drvp[1].DMA_mode = mode[1]; 1491 goto ok; 1492 } 1493 /* 1494 * If only one drive supports DMA, use its mode, and 1495 * put the other one in PIO mode 0 if mode not compatible 1496 */ 1497 if (drvp[0].drive_flags & DRIVE_DMA) { 1498 mode[0] = drvp[0].DMA_mode; 1499 mode[1] = drvp[1].PIO_mode; 1500 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1501 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1502 mode[1] = drvp[1].PIO_mode = 0; 1503 goto ok; 1504 } 1505 if (drvp[1].drive_flags & DRIVE_DMA) { 1506 mode[1] = drvp[1].DMA_mode; 1507 mode[0] = drvp[0].PIO_mode; 1508 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1509 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1510 mode[0] = drvp[0].PIO_mode = 0; 1511 goto ok; 1512 } 1513 /* 1514 * If both drives are not DMA, takes the lower mode, unless 1515 * one of them is PIO mode < 2 1516 */ 1517 if (drvp[0].PIO_mode < 2) { 1518 mode[0] = drvp[0].PIO_mode = 0; 1519 mode[1] = drvp[1].PIO_mode; 1520 } else if (drvp[1].PIO_mode < 2) { 1521 mode[1] = drvp[1].PIO_mode = 0; 1522 mode[0] = drvp[0].PIO_mode; 1523 } else { 1524 mode[0] = mode[1] = 1525 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1526 drvp[0].PIO_mode = mode[0]; 1527 drvp[1].PIO_mode = mode[1]; 1528 } 1529 ok: /* The modes are setup */ 1530 for (drive = 0; drive < 2; drive++) { 1531 if (drvp[drive].drive_flags & DRIVE_DMA) { 1532 idetim |= piix_setup_idetim_timings( 1533 mode[drive], 1, chp->channel); 1534 goto end; 1535 } 1536 } 1537 /* If we are there, none of the drives are DMA */ 1538 if (mode[0] >= 2) 1539 idetim |= piix_setup_idetim_timings( 1540 mode[0], 0, chp->channel); 1541 else 1542 idetim |= piix_setup_idetim_timings( 1543 mode[1], 0, chp->channel); 1544 end: /* 1545 * timing mode is now set up in the controller. Enable 1546 * it per-drive 1547 */ 1548 for (drive = 0; drive < 2; drive++) { 1549 /* If no drive, skip */ 1550 if ((drvp[drive].drive_flags & DRIVE) == 0) 1551 continue; 1552 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1553 if (drvp[drive].drive_flags & DRIVE_DMA) 1554 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1555 } 1556 if (idedma_ctl != 0) { 1557 /* Add software bits in status register */ 1558 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1559 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1560 idedma_ctl); 1561 } 1562 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1563 pciide_print_modes(cp); 1564 } 1565 1566 void 1567 piix3_4_setup_channel(chp) 1568 struct channel_softc *chp; 1569 { 1570 struct ata_drive_datas *drvp; 1571 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1572 struct pciide_channel *cp = (struct pciide_channel*)chp; 1573 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1574 int drive; 1575 int channel = chp->channel; 1576 1577 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1578 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1579 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1580 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1581 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1582 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1583 PIIX_SIDETIM_RTC_MASK(channel)); 1584 1585 idedma_ctl = 0; 1586 /* If channel disabled, no need to go further */ 1587 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1588 return; 1589 /* set up new idetim: Enable IDE registers decode */ 1590 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1591 1592 /* setup DMA if needed */ 1593 pciide_channel_dma_setup(cp); 1594 1595 for (drive = 0; drive < 2; drive++) { 1596 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1597 PIIX_UDMATIM_SET(0x3, channel, drive)); 1598 drvp = &chp->ch_drive[drive]; 1599 /* If no drive, skip */ 1600 if ((drvp->drive_flags & DRIVE) == 0) 1601 continue; 1602 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1603 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1604 goto pio; 1605 1606 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1607 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1608 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1609 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1610 ideconf |= PIIX_CONFIG_PINGPONG; 1611 } 1612 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || 1613 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE) { 1614 /* setup Ultra/100 */ 1615 if (drvp->UDMA_mode > 2 && 1616 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1617 drvp->UDMA_mode = 2; 1618 if (drvp->UDMA_mode > 4) { 1619 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1620 } else { 1621 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1622 if (drvp->UDMA_mode > 2) { 1623 ideconf |= PIIX_CONFIG_UDMA66(channel, 1624 drive); 1625 } else { 1626 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1627 drive); 1628 } 1629 } 1630 } 1631 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1632 /* setup Ultra/66 */ 1633 if (drvp->UDMA_mode > 2 && 1634 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1635 drvp->UDMA_mode = 2; 1636 if (drvp->UDMA_mode > 2) 1637 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1638 else 1639 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1640 } 1641 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1642 (drvp->drive_flags & DRIVE_UDMA)) { 1643 /* use Ultra/DMA */ 1644 drvp->drive_flags &= ~DRIVE_DMA; 1645 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1646 udmareg |= PIIX_UDMATIM_SET( 1647 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1648 } else { 1649 /* use Multiword DMA */ 1650 drvp->drive_flags &= ~DRIVE_UDMA; 1651 if (drive == 0) { 1652 idetim |= piix_setup_idetim_timings( 1653 drvp->DMA_mode, 1, channel); 1654 } else { 1655 sidetim |= piix_setup_sidetim_timings( 1656 drvp->DMA_mode, 1, channel); 1657 idetim =PIIX_IDETIM_SET(idetim, 1658 PIIX_IDETIM_SITRE, channel); 1659 } 1660 } 1661 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1662 1663 pio: /* use PIO mode */ 1664 idetim |= piix_setup_idetim_drvs(drvp); 1665 if (drive == 0) { 1666 idetim |= piix_setup_idetim_timings( 1667 drvp->PIO_mode, 0, channel); 1668 } else { 1669 sidetim |= piix_setup_sidetim_timings( 1670 drvp->PIO_mode, 0, channel); 1671 idetim =PIIX_IDETIM_SET(idetim, 1672 PIIX_IDETIM_SITRE, channel); 1673 } 1674 } 1675 if (idedma_ctl != 0) { 1676 /* Add software bits in status register */ 1677 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1678 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1679 idedma_ctl); 1680 } 1681 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1682 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1683 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1684 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1685 pciide_print_modes(cp); 1686 } 1687 1688 1689 /* setup ISP and RTC fields, based on mode */ 1690 static u_int32_t 1691 piix_setup_idetim_timings(mode, dma, channel) 1692 u_int8_t mode; 1693 u_int8_t dma; 1694 u_int8_t channel; 1695 { 1696 1697 if (dma) 1698 return PIIX_IDETIM_SET(0, 1699 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1700 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1701 channel); 1702 else 1703 return PIIX_IDETIM_SET(0, 1704 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1705 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1706 channel); 1707 } 1708 1709 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1710 static u_int32_t 1711 piix_setup_idetim_drvs(drvp) 1712 struct ata_drive_datas *drvp; 1713 { 1714 u_int32_t ret = 0; 1715 struct channel_softc *chp = drvp->chnl_softc; 1716 u_int8_t channel = chp->channel; 1717 u_int8_t drive = drvp->drive; 1718 1719 /* 1720 * If drive is using UDMA, timings setups are independant 1721 * So just check DMA and PIO here. 1722 */ 1723 if (drvp->drive_flags & DRIVE_DMA) { 1724 /* if mode = DMA mode 0, use compatible timings */ 1725 if ((drvp->drive_flags & DRIVE_DMA) && 1726 drvp->DMA_mode == 0) { 1727 drvp->PIO_mode = 0; 1728 return ret; 1729 } 1730 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1731 /* 1732 * PIO and DMA timings are the same, use fast timings for PIO 1733 * too, else use compat timings. 1734 */ 1735 if ((piix_isp_pio[drvp->PIO_mode] != 1736 piix_isp_dma[drvp->DMA_mode]) || 1737 (piix_rtc_pio[drvp->PIO_mode] != 1738 piix_rtc_dma[drvp->DMA_mode])) 1739 drvp->PIO_mode = 0; 1740 /* if PIO mode <= 2, use compat timings for PIO */ 1741 if (drvp->PIO_mode <= 2) { 1742 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1743 channel); 1744 return ret; 1745 } 1746 } 1747 1748 /* 1749 * Now setup PIO modes. If mode < 2, use compat timings. 1750 * Else enable fast timings. Enable IORDY and prefetch/post 1751 * if PIO mode >= 3. 1752 */ 1753 1754 if (drvp->PIO_mode < 2) 1755 return ret; 1756 1757 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1758 if (drvp->PIO_mode >= 3) { 1759 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1760 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1761 } 1762 return ret; 1763 } 1764 1765 /* setup values in SIDETIM registers, based on mode */ 1766 static u_int32_t 1767 piix_setup_sidetim_timings(mode, dma, channel) 1768 u_int8_t mode; 1769 u_int8_t dma; 1770 u_int8_t channel; 1771 { 1772 if (dma) 1773 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1774 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1775 else 1776 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1777 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1778 } 1779 1780 void 1781 amd756_chip_map(sc, pa) 1782 struct pciide_softc *sc; 1783 struct pci_attach_args *pa; 1784 { 1785 struct pciide_channel *cp; 1786 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1787 int channel; 1788 pcireg_t chanenable; 1789 bus_size_t cmdsize, ctlsize; 1790 1791 if (pciide_chipen(sc, pa) == 0) 1792 return; 1793 printf("%s: bus-master DMA support present", 1794 sc->sc_wdcdev.sc_dev.dv_xname); 1795 pciide_mapreg_dma(sc, pa); 1796 printf("\n"); 1797 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1798 WDC_CAPABILITY_MODE; 1799 if (sc->sc_dma_ok) { 1800 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1801 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1802 sc->sc_wdcdev.irqack = pciide_irqack; 1803 } 1804 sc->sc_wdcdev.PIO_cap = 4; 1805 sc->sc_wdcdev.DMA_cap = 2; 1806 sc->sc_wdcdev.UDMA_cap = 4; 1807 sc->sc_wdcdev.set_modes = amd756_setup_channel; 1808 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1809 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1810 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); 1811 1812 WDCDEBUG_PRINT(("amd756_chip_map: Channel enable=0x%x\n", chanenable), 1813 DEBUG_PROBE); 1814 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1815 cp = &sc->pciide_channels[channel]; 1816 if (pciide_chansetup(sc, channel, interface) == 0) 1817 continue; 1818 1819 if ((chanenable & AMD756_CHAN_EN(channel)) == 0) { 1820 printf("%s: %s channel ignored (disabled)\n", 1821 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1822 continue; 1823 } 1824 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1825 pciide_pci_intr); 1826 1827 if (pciide_chan_candisable(cp)) 1828 chanenable &= ~AMD756_CHAN_EN(channel); 1829 pciide_map_compat_intr(pa, cp, channel, interface); 1830 if (cp->hw_ok == 0) 1831 continue; 1832 1833 amd756_setup_channel(&cp->wdc_channel); 1834 } 1835 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN, 1836 chanenable); 1837 return; 1838 } 1839 1840 void 1841 amd756_setup_channel(chp) 1842 struct channel_softc *chp; 1843 { 1844 u_int32_t udmatim_reg, datatim_reg; 1845 u_int8_t idedma_ctl; 1846 int mode, drive; 1847 struct ata_drive_datas *drvp; 1848 struct pciide_channel *cp = (struct pciide_channel*)chp; 1849 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1850 #ifndef PCIIDE_AMD756_ENABLEDMA 1851 int rev = PCI_REVISION( 1852 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 1853 #endif 1854 1855 idedma_ctl = 0; 1856 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM); 1857 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA); 1858 datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel); 1859 udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel); 1860 1861 /* setup DMA if needed */ 1862 pciide_channel_dma_setup(cp); 1863 1864 for (drive = 0; drive < 2; drive++) { 1865 drvp = &chp->ch_drive[drive]; 1866 /* If no drive, skip */ 1867 if ((drvp->drive_flags & DRIVE) == 0) 1868 continue; 1869 /* add timing values, setup DMA if needed */ 1870 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1871 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1872 mode = drvp->PIO_mode; 1873 goto pio; 1874 } 1875 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1876 (drvp->drive_flags & DRIVE_UDMA)) { 1877 /* use Ultra/DMA */ 1878 drvp->drive_flags &= ~DRIVE_DMA; 1879 udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) | 1880 AMD756_UDMA_EN_MTH(chp->channel, drive) | 1881 AMD756_UDMA_TIME(chp->channel, drive, 1882 amd756_udma_tim[drvp->UDMA_mode]); 1883 /* can use PIO timings, MW DMA unused */ 1884 mode = drvp->PIO_mode; 1885 } else { 1886 /* use Multiword DMA, but only if revision is OK */ 1887 drvp->drive_flags &= ~DRIVE_UDMA; 1888 #ifndef PCIIDE_AMD756_ENABLEDMA 1889 /* 1890 * The workaround doesn't seem to be necessary 1891 * with all drives, so it can be disabled by 1892 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 1893 * triggered. 1894 */ 1895 if (AMD756_CHIPREV_DISABLEDMA(rev)) { 1896 printf("%s:%d:%d: multi-word DMA disabled due " 1897 "to chip revision\n", 1898 sc->sc_wdcdev.sc_dev.dv_xname, 1899 chp->channel, drive); 1900 mode = drvp->PIO_mode; 1901 drvp->drive_flags &= ~DRIVE_DMA; 1902 goto pio; 1903 } 1904 #endif 1905 /* mode = min(pio, dma+2) */ 1906 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1907 mode = drvp->PIO_mode; 1908 else 1909 mode = drvp->DMA_mode + 2; 1910 } 1911 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1912 1913 pio: /* setup PIO mode */ 1914 if (mode <= 2) { 1915 drvp->DMA_mode = 0; 1916 drvp->PIO_mode = 0; 1917 mode = 0; 1918 } else { 1919 drvp->PIO_mode = mode; 1920 drvp->DMA_mode = mode - 2; 1921 } 1922 datatim_reg |= 1923 AMD756_DATATIM_PULSE(chp->channel, drive, 1924 amd756_pio_set[mode]) | 1925 AMD756_DATATIM_RECOV(chp->channel, drive, 1926 amd756_pio_rec[mode]); 1927 } 1928 if (idedma_ctl != 0) { 1929 /* Add software bits in status register */ 1930 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1931 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1932 idedma_ctl); 1933 } 1934 pciide_print_modes(cp); 1935 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg); 1936 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg); 1937 } 1938 1939 void 1940 apollo_chip_map(sc, pa) 1941 struct pciide_softc *sc; 1942 struct pci_attach_args *pa; 1943 { 1944 struct pciide_channel *cp; 1945 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1946 int rev = PCI_REVISION(pa->pa_class); 1947 int channel; 1948 u_int32_t ideconf, udma_conf, old_udma_conf; 1949 bus_size_t cmdsize, ctlsize; 1950 1951 if (pciide_chipen(sc, pa) == 0) 1952 return; 1953 printf("%s: bus-master DMA support present", 1954 sc->sc_wdcdev.sc_dev.dv_xname); 1955 pciide_mapreg_dma(sc, pa); 1956 printf("\n"); 1957 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1958 WDC_CAPABILITY_MODE; 1959 if (sc->sc_dma_ok) { 1960 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1961 sc->sc_wdcdev.irqack = pciide_irqack; 1962 if (sc->sc_pp->ide_product == PCI_PRODUCT_VIATECH_VT82C586A_IDE 1963 && rev >= 6) 1964 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1965 } 1966 sc->sc_wdcdev.PIO_cap = 4; 1967 sc->sc_wdcdev.DMA_cap = 2; 1968 sc->sc_wdcdev.UDMA_cap = 2; 1969 sc->sc_wdcdev.set_modes = apollo_setup_channel; 1970 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1971 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1972 1973 old_udma_conf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1974 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 1975 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1976 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 1977 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 1978 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1979 old_udma_conf), 1980 DEBUG_PROBE); 1981 pci_conf_write(sc->sc_pc, sc->sc_tag, 1982 old_udma_conf | (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1983 APO_UDMA_EN_MTH(0, 0) | APO_UDMA_CLK66(0)), 1984 APO_UDMA); 1985 udma_conf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1986 WDCDEBUG_PRINT(("apollo_chip_map: APO_UDMA now 0x%x\n", udma_conf), 1987 DEBUG_PROBE); 1988 if ((udma_conf & (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1989 APO_UDMA_EN_MTH(0, 0))) == 1990 (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1991 APO_UDMA_EN_MTH(0, 0))) { 1992 if ((udma_conf & APO_UDMA_CLK66(0)) == 1993 APO_UDMA_CLK66(0)) { 1994 printf("%s: Ultra/66 capable\n", 1995 sc->sc_wdcdev.sc_dev.dv_xname); 1996 sc->sc_wdcdev.UDMA_cap = 4; 1997 } else { 1998 printf("%s: Ultra/33 capable\n", 1999 sc->sc_wdcdev.sc_dev.dv_xname); 2000 sc->sc_wdcdev.UDMA_cap = 2; 2001 } 2002 } else { 2003 sc->sc_wdcdev.cap &= ~WDC_CAPABILITY_UDMA; 2004 } 2005 pci_conf_write(sc->sc_pc, sc->sc_tag, old_udma_conf, APO_UDMA); 2006 2007 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2008 cp = &sc->pciide_channels[channel]; 2009 if (pciide_chansetup(sc, channel, interface) == 0) 2010 continue; 2011 2012 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 2013 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 2014 printf("%s: %s channel ignored (disabled)\n", 2015 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2016 continue; 2017 } 2018 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2019 pciide_pci_intr); 2020 if (cp->hw_ok == 0) 2021 continue; 2022 if (pciide_chan_candisable(cp)) { 2023 ideconf &= ~APO_IDECONF_EN(channel); 2024 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2025 ideconf); 2026 } 2027 pciide_map_compat_intr(pa, cp, channel, interface); 2028 2029 if (cp->hw_ok == 0) 2030 continue; 2031 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2032 } 2033 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2034 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2035 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2036 } 2037 2038 void 2039 apollo_setup_channel(chp) 2040 struct channel_softc *chp; 2041 { 2042 u_int32_t udmatim_reg, datatim_reg; 2043 u_int8_t idedma_ctl; 2044 int mode, drive; 2045 struct ata_drive_datas *drvp; 2046 struct pciide_channel *cp = (struct pciide_channel*)chp; 2047 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2048 2049 idedma_ctl = 0; 2050 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2051 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2052 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2053 udmatim_reg &= ~AP0_UDMA_MASK(chp->channel); 2054 2055 /* setup DMA if needed */ 2056 pciide_channel_dma_setup(cp); 2057 2058 /* 2059 * We can't mix Ultra/33 and Ultra/66 on the same channel, so 2060 * downgrade to Ultra/33 if needed 2061 */ 2062 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 2063 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 2064 /* both drives UDMA */ 2065 if (chp->ch_drive[0].UDMA_mode > 2 && 2066 chp->ch_drive[1].UDMA_mode <= 2) { 2067 /* drive 0 Ultra/66, drive 1 Ultra/33 */ 2068 chp->ch_drive[0].UDMA_mode = 2; 2069 } else if (chp->ch_drive[1].UDMA_mode > 2 && 2070 chp->ch_drive[0].UDMA_mode <= 2) { 2071 /* drive 1 Ultra/66, drive 0 Ultra/33 */ 2072 chp->ch_drive[1].UDMA_mode = 2; 2073 } 2074 } 2075 2076 for (drive = 0; drive < 2; drive++) { 2077 drvp = &chp->ch_drive[drive]; 2078 /* If no drive, skip */ 2079 if ((drvp->drive_flags & DRIVE) == 0) 2080 continue; 2081 /* add timing values, setup DMA if needed */ 2082 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2083 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2084 mode = drvp->PIO_mode; 2085 goto pio; 2086 } 2087 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2088 (drvp->drive_flags & DRIVE_UDMA)) { 2089 /* use Ultra/DMA */ 2090 drvp->drive_flags &= ~DRIVE_DMA; 2091 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2092 APO_UDMA_EN_MTH(chp->channel, drive) | 2093 APO_UDMA_TIME(chp->channel, drive, 2094 apollo_udma_tim[drvp->UDMA_mode]); 2095 if (drvp->UDMA_mode > 2) 2096 udmatim_reg |= 2097 APO_UDMA_CLK66(chp->channel); 2098 /* can use PIO timings, MW DMA unused */ 2099 mode = drvp->PIO_mode; 2100 } else { 2101 /* use Multiword DMA */ 2102 drvp->drive_flags &= ~DRIVE_UDMA; 2103 /* mode = min(pio, dma+2) */ 2104 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2105 mode = drvp->PIO_mode; 2106 else 2107 mode = drvp->DMA_mode + 2; 2108 } 2109 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2110 2111 pio: /* setup PIO mode */ 2112 if (mode <= 2) { 2113 drvp->DMA_mode = 0; 2114 drvp->PIO_mode = 0; 2115 mode = 0; 2116 } else { 2117 drvp->PIO_mode = mode; 2118 drvp->DMA_mode = mode - 2; 2119 } 2120 datatim_reg |= 2121 APO_DATATIM_PULSE(chp->channel, drive, 2122 apollo_pio_set[mode]) | 2123 APO_DATATIM_RECOV(chp->channel, drive, 2124 apollo_pio_rec[mode]); 2125 } 2126 if (idedma_ctl != 0) { 2127 /* Add software bits in status register */ 2128 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2129 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2130 idedma_ctl); 2131 } 2132 pciide_print_modes(cp); 2133 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2134 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2135 } 2136 2137 void 2138 cmd_channel_map(pa, sc, channel) 2139 struct pci_attach_args *pa; 2140 struct pciide_softc *sc; 2141 int channel; 2142 { 2143 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2144 bus_size_t cmdsize, ctlsize; 2145 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2146 int interface; 2147 2148 /* 2149 * The 0648/0649 can be told to identify as a RAID controller. 2150 * In this case, we have to fake interface 2151 */ 2152 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2153 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2154 PCIIDE_INTERFACE_SETTABLE(1); 2155 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2156 CMD_CONF_DSA1) 2157 interface |= PCIIDE_INTERFACE_PCI(0) | 2158 PCIIDE_INTERFACE_PCI(1); 2159 } else { 2160 interface = PCI_INTERFACE(pa->pa_class); 2161 } 2162 2163 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2164 cp->name = PCIIDE_CHANNEL_NAME(channel); 2165 cp->wdc_channel.channel = channel; 2166 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2167 2168 if (channel > 0) { 2169 cp->wdc_channel.ch_queue = 2170 sc->pciide_channels[0].wdc_channel.ch_queue; 2171 } else { 2172 cp->wdc_channel.ch_queue = 2173 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2174 } 2175 if (cp->wdc_channel.ch_queue == NULL) { 2176 printf("%s %s channel: " 2177 "can't allocate memory for command queue", 2178 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2179 return; 2180 } 2181 2182 printf("%s: %s channel %s to %s mode\n", 2183 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2184 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2185 "configured" : "wired", 2186 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2187 "native-PCI" : "compatibility"); 2188 2189 /* 2190 * with a CMD PCI64x, if we get here, the first channel is enabled: 2191 * there's no way to disable the first channel without disabling 2192 * the whole device 2193 */ 2194 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2195 printf("%s: %s channel ignored (disabled)\n", 2196 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2197 return; 2198 } 2199 2200 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2201 if (cp->hw_ok == 0) 2202 return; 2203 if (channel == 1) { 2204 if (pciide_chan_candisable(cp)) { 2205 ctrl &= ~CMD_CTRL_2PORT; 2206 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2207 CMD_CTRL, ctrl); 2208 } 2209 } 2210 pciide_map_compat_intr(pa, cp, channel, interface); 2211 } 2212 2213 int 2214 cmd_pci_intr(arg) 2215 void *arg; 2216 { 2217 struct pciide_softc *sc = arg; 2218 struct pciide_channel *cp; 2219 struct channel_softc *wdc_cp; 2220 int i, rv, crv; 2221 u_int32_t priirq, secirq; 2222 2223 rv = 0; 2224 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2225 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2226 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2227 cp = &sc->pciide_channels[i]; 2228 wdc_cp = &cp->wdc_channel; 2229 /* If a compat channel skip. */ 2230 if (cp->compat) 2231 continue; 2232 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2233 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2234 crv = wdcintr(wdc_cp); 2235 if (crv == 0) 2236 printf("%s:%d: bogus intr\n", 2237 sc->sc_wdcdev.sc_dev.dv_xname, i); 2238 else 2239 rv = 1; 2240 } 2241 } 2242 return rv; 2243 } 2244 2245 void 2246 cmd_chip_map(sc, pa) 2247 struct pciide_softc *sc; 2248 struct pci_attach_args *pa; 2249 { 2250 int channel; 2251 2252 /* 2253 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2254 * and base adresses registers can be disabled at 2255 * hardware level. In this case, the device is wired 2256 * in compat mode and its first channel is always enabled, 2257 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2258 * In fact, it seems that the first channel of the CMD PCI0640 2259 * can't be disabled. 2260 */ 2261 2262 #ifdef PCIIDE_CMD064x_DISABLE 2263 if (pciide_chipen(sc, pa) == 0) 2264 return; 2265 #endif 2266 2267 printf("%s: hardware does not support DMA\n", 2268 sc->sc_wdcdev.sc_dev.dv_xname); 2269 sc->sc_dma_ok = 0; 2270 2271 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2272 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2273 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2274 2275 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2276 cmd_channel_map(pa, sc, channel); 2277 } 2278 } 2279 2280 void 2281 cmd0643_9_chip_map(sc, pa) 2282 struct pciide_softc *sc; 2283 struct pci_attach_args *pa; 2284 { 2285 struct pciide_channel *cp; 2286 int channel; 2287 int rev = PCI_REVISION( 2288 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2289 2290 /* 2291 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2292 * and base adresses registers can be disabled at 2293 * hardware level. In this case, the device is wired 2294 * in compat mode and its first channel is always enabled, 2295 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2296 * In fact, it seems that the first channel of the CMD PCI0640 2297 * can't be disabled. 2298 */ 2299 2300 #ifdef PCIIDE_CMD064x_DISABLE 2301 if (pciide_chipen(sc, pa) == 0) 2302 return; 2303 #endif 2304 printf("%s: bus-master DMA support present", 2305 sc->sc_wdcdev.sc_dev.dv_xname); 2306 pciide_mapreg_dma(sc, pa); 2307 printf("\n"); 2308 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2309 WDC_CAPABILITY_MODE; 2310 if (sc->sc_dma_ok) { 2311 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2312 switch (sc->sc_pp->ide_product) { 2313 case PCI_PRODUCT_CMDTECH_649: 2314 case PCI_PRODUCT_CMDTECH_648: 2315 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2316 sc->sc_wdcdev.UDMA_cap = 4; 2317 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2318 break; 2319 case PCI_PRODUCT_CMDTECH_646: 2320 if (rev >= CMD0646U2_REV) { 2321 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2322 sc->sc_wdcdev.UDMA_cap = 2; 2323 } else if (rev >= CMD0646U_REV) { 2324 /* 2325 * Linux's driver claims that the 646U is broken 2326 * with UDMA. Only enable it if we know what we're 2327 * doing 2328 */ 2329 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2330 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2331 sc->sc_wdcdev.UDMA_cap = 2; 2332 #endif 2333 /* explicitely disable UDMA */ 2334 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2335 CMD_UDMATIM(0), 0); 2336 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2337 CMD_UDMATIM(1), 0); 2338 } 2339 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2340 break; 2341 default: 2342 sc->sc_wdcdev.irqack = pciide_irqack; 2343 } 2344 } 2345 2346 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2347 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2348 sc->sc_wdcdev.PIO_cap = 4; 2349 sc->sc_wdcdev.DMA_cap = 2; 2350 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2351 2352 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2353 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2354 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2355 DEBUG_PROBE); 2356 2357 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2358 cp = &sc->pciide_channels[channel]; 2359 cmd_channel_map(pa, sc, channel); 2360 if (cp->hw_ok == 0) 2361 continue; 2362 cmd0643_9_setup_channel(&cp->wdc_channel); 2363 } 2364 /* 2365 * note - this also makes sure we clear the irq disable and reset 2366 * bits 2367 */ 2368 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2369 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2370 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2371 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2372 DEBUG_PROBE); 2373 } 2374 2375 void 2376 cmd0643_9_setup_channel(chp) 2377 struct channel_softc *chp; 2378 { 2379 struct ata_drive_datas *drvp; 2380 u_int8_t tim; 2381 u_int32_t idedma_ctl, udma_reg; 2382 int drive; 2383 struct pciide_channel *cp = (struct pciide_channel*)chp; 2384 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2385 2386 idedma_ctl = 0; 2387 /* setup DMA if needed */ 2388 pciide_channel_dma_setup(cp); 2389 2390 for (drive = 0; drive < 2; drive++) { 2391 drvp = &chp->ch_drive[drive]; 2392 /* If no drive, skip */ 2393 if ((drvp->drive_flags & DRIVE) == 0) 2394 continue; 2395 /* add timing values, setup DMA if needed */ 2396 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2397 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2398 if (drvp->drive_flags & DRIVE_UDMA) { 2399 /* UltraDMA on a 646U2, 0648 or 0649 */ 2400 drvp->drive_flags &= ~DRIVE_DMA; 2401 udma_reg = pciide_pci_read(sc->sc_pc, 2402 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2403 if (drvp->UDMA_mode > 2 && 2404 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2405 CMD_BICSR) & 2406 CMD_BICSR_80(chp->channel)) == 0) 2407 drvp->UDMA_mode = 2; 2408 if (drvp->UDMA_mode > 2) 2409 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2410 else if (sc->sc_wdcdev.UDMA_cap > 2) 2411 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2412 udma_reg |= CMD_UDMATIM_UDMA(drive); 2413 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2414 CMD_UDMATIM_TIM_OFF(drive)); 2415 udma_reg |= 2416 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2417 CMD_UDMATIM_TIM_OFF(drive)); 2418 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2419 CMD_UDMATIM(chp->channel), udma_reg); 2420 } else { 2421 /* 2422 * use Multiword DMA. 2423 * Timings will be used for both PIO and DMA, 2424 * so adjust DMA mode if needed 2425 * if we have a 0646U2/8/9, turn off UDMA 2426 */ 2427 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2428 udma_reg = pciide_pci_read(sc->sc_pc, 2429 sc->sc_tag, 2430 CMD_UDMATIM(chp->channel)); 2431 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2432 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2433 CMD_UDMATIM(chp->channel), 2434 udma_reg); 2435 } 2436 if (drvp->PIO_mode >= 3 && 2437 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2438 drvp->DMA_mode = drvp->PIO_mode - 2; 2439 } 2440 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2441 } 2442 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2443 } 2444 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2445 CMD_DATA_TIM(chp->channel, drive), tim); 2446 } 2447 if (idedma_ctl != 0) { 2448 /* Add software bits in status register */ 2449 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2450 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2451 idedma_ctl); 2452 } 2453 pciide_print_modes(cp); 2454 } 2455 2456 void 2457 cmd646_9_irqack(chp) 2458 struct channel_softc *chp; 2459 { 2460 u_int32_t priirq, secirq; 2461 struct pciide_channel *cp = (struct pciide_channel*)chp; 2462 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2463 2464 if (chp->channel == 0) { 2465 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2466 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2467 } else { 2468 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2469 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2470 } 2471 pciide_irqack(chp); 2472 } 2473 2474 void 2475 cy693_chip_map(sc, pa) 2476 struct pciide_softc *sc; 2477 struct pci_attach_args *pa; 2478 { 2479 struct pciide_channel *cp; 2480 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2481 bus_size_t cmdsize, ctlsize; 2482 2483 if (pciide_chipen(sc, pa) == 0) 2484 return; 2485 /* 2486 * this chip has 2 PCI IDE functions, one for primary and one for 2487 * secondary. So we need to call pciide_mapregs_compat() with 2488 * the real channel 2489 */ 2490 if (pa->pa_function == 1) { 2491 sc->sc_cy_compatchan = 0; 2492 } else if (pa->pa_function == 2) { 2493 sc->sc_cy_compatchan = 1; 2494 } else { 2495 printf("%s: unexpected PCI function %d\n", 2496 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2497 return; 2498 } 2499 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2500 printf("%s: bus-master DMA support present", 2501 sc->sc_wdcdev.sc_dev.dv_xname); 2502 pciide_mapreg_dma(sc, pa); 2503 } else { 2504 printf("%s: hardware does not support DMA", 2505 sc->sc_wdcdev.sc_dev.dv_xname); 2506 sc->sc_dma_ok = 0; 2507 } 2508 printf("\n"); 2509 2510 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2511 if (sc->sc_cy_handle == NULL) { 2512 printf("%s: unable to map hyperCache control registers\n", 2513 sc->sc_wdcdev.sc_dev.dv_xname); 2514 sc->sc_dma_ok = 0; 2515 } 2516 2517 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2518 WDC_CAPABILITY_MODE; 2519 if (sc->sc_dma_ok) { 2520 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2521 sc->sc_wdcdev.irqack = pciide_irqack; 2522 } 2523 sc->sc_wdcdev.PIO_cap = 4; 2524 sc->sc_wdcdev.DMA_cap = 2; 2525 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2526 2527 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2528 sc->sc_wdcdev.nchannels = 1; 2529 2530 /* Only one channel for this chip; if we are here it's enabled */ 2531 cp = &sc->pciide_channels[0]; 2532 sc->wdc_chanarray[0] = &cp->wdc_channel; 2533 cp->name = PCIIDE_CHANNEL_NAME(0); 2534 cp->wdc_channel.channel = 0; 2535 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2536 cp->wdc_channel.ch_queue = 2537 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2538 if (cp->wdc_channel.ch_queue == NULL) { 2539 printf("%s primary channel: " 2540 "can't allocate memory for command queue", 2541 sc->sc_wdcdev.sc_dev.dv_xname); 2542 return; 2543 } 2544 printf("%s: primary channel %s to ", 2545 sc->sc_wdcdev.sc_dev.dv_xname, 2546 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2547 "configured" : "wired"); 2548 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2549 printf("native-PCI"); 2550 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2551 pciide_pci_intr); 2552 } else { 2553 printf("compatibility"); 2554 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2555 &cmdsize, &ctlsize); 2556 } 2557 printf(" mode\n"); 2558 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2559 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2560 wdcattach(&cp->wdc_channel); 2561 if (pciide_chan_candisable(cp)) { 2562 pci_conf_write(sc->sc_pc, sc->sc_tag, 2563 PCI_COMMAND_STATUS_REG, 0); 2564 } 2565 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2566 if (cp->hw_ok == 0) 2567 return; 2568 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2569 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2570 cy693_setup_channel(&cp->wdc_channel); 2571 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2572 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2573 } 2574 2575 void 2576 cy693_setup_channel(chp) 2577 struct channel_softc *chp; 2578 { 2579 struct ata_drive_datas *drvp; 2580 int drive; 2581 u_int32_t cy_cmd_ctrl; 2582 u_int32_t idedma_ctl; 2583 struct pciide_channel *cp = (struct pciide_channel*)chp; 2584 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2585 int dma_mode = -1; 2586 2587 cy_cmd_ctrl = idedma_ctl = 0; 2588 2589 /* setup DMA if needed */ 2590 pciide_channel_dma_setup(cp); 2591 2592 for (drive = 0; drive < 2; drive++) { 2593 drvp = &chp->ch_drive[drive]; 2594 /* If no drive, skip */ 2595 if ((drvp->drive_flags & DRIVE) == 0) 2596 continue; 2597 /* add timing values, setup DMA if needed */ 2598 if (drvp->drive_flags & DRIVE_DMA) { 2599 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2600 /* use Multiword DMA */ 2601 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2602 dma_mode = drvp->DMA_mode; 2603 } 2604 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2605 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2606 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2607 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2608 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2609 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2610 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2611 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2612 } 2613 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2614 chp->ch_drive[0].DMA_mode = dma_mode; 2615 chp->ch_drive[1].DMA_mode = dma_mode; 2616 2617 if (dma_mode == -1) 2618 dma_mode = 0; 2619 2620 if (sc->sc_cy_handle != NULL) { 2621 /* Note: `multiple' is implied. */ 2622 cy82c693_write(sc->sc_cy_handle, 2623 (sc->sc_cy_compatchan == 0) ? 2624 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2625 } 2626 2627 pciide_print_modes(cp); 2628 2629 if (idedma_ctl != 0) { 2630 /* Add software bits in status register */ 2631 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2632 IDEDMA_CTL, idedma_ctl); 2633 } 2634 } 2635 2636 void 2637 sis_chip_map(sc, pa) 2638 struct pciide_softc *sc; 2639 struct pci_attach_args *pa; 2640 { 2641 struct pciide_channel *cp; 2642 int channel; 2643 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2644 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2645 pcireg_t rev = PCI_REVISION(pa->pa_class); 2646 bus_size_t cmdsize, ctlsize; 2647 2648 if (pciide_chipen(sc, pa) == 0) 2649 return; 2650 printf("%s: bus-master DMA support present", 2651 sc->sc_wdcdev.sc_dev.dv_xname); 2652 pciide_mapreg_dma(sc, pa); 2653 printf("\n"); 2654 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2655 WDC_CAPABILITY_MODE; 2656 if (sc->sc_dma_ok) { 2657 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2658 sc->sc_wdcdev.irqack = pciide_irqack; 2659 if (rev >= 0xd0) 2660 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2661 } 2662 2663 sc->sc_wdcdev.PIO_cap = 4; 2664 sc->sc_wdcdev.DMA_cap = 2; 2665 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2666 sc->sc_wdcdev.UDMA_cap = 2; 2667 sc->sc_wdcdev.set_modes = sis_setup_channel; 2668 2669 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2670 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2671 2672 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2673 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2674 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2675 2676 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2677 cp = &sc->pciide_channels[channel]; 2678 if (pciide_chansetup(sc, channel, interface) == 0) 2679 continue; 2680 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2681 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2682 printf("%s: %s channel ignored (disabled)\n", 2683 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2684 continue; 2685 } 2686 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2687 pciide_pci_intr); 2688 if (cp->hw_ok == 0) 2689 continue; 2690 if (pciide_chan_candisable(cp)) { 2691 if (channel == 0) 2692 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2693 else 2694 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2695 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2696 sis_ctr0); 2697 } 2698 pciide_map_compat_intr(pa, cp, channel, interface); 2699 if (cp->hw_ok == 0) 2700 continue; 2701 sis_setup_channel(&cp->wdc_channel); 2702 } 2703 } 2704 2705 void 2706 sis_setup_channel(chp) 2707 struct channel_softc *chp; 2708 { 2709 struct ata_drive_datas *drvp; 2710 int drive; 2711 u_int32_t sis_tim; 2712 u_int32_t idedma_ctl; 2713 struct pciide_channel *cp = (struct pciide_channel*)chp; 2714 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2715 2716 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2717 "channel %d 0x%x\n", chp->channel, 2718 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2719 DEBUG_PROBE); 2720 sis_tim = 0; 2721 idedma_ctl = 0; 2722 /* setup DMA if needed */ 2723 pciide_channel_dma_setup(cp); 2724 2725 for (drive = 0; drive < 2; drive++) { 2726 drvp = &chp->ch_drive[drive]; 2727 /* If no drive, skip */ 2728 if ((drvp->drive_flags & DRIVE) == 0) 2729 continue; 2730 /* add timing values, setup DMA if needed */ 2731 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2732 (drvp->drive_flags & DRIVE_UDMA) == 0) 2733 goto pio; 2734 2735 if (drvp->drive_flags & DRIVE_UDMA) { 2736 /* use Ultra/DMA */ 2737 drvp->drive_flags &= ~DRIVE_DMA; 2738 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2739 SIS_TIM_UDMA_TIME_OFF(drive); 2740 sis_tim |= SIS_TIM_UDMA_EN(drive); 2741 } else { 2742 /* 2743 * use Multiword DMA 2744 * Timings will be used for both PIO and DMA, 2745 * so adjust DMA mode if needed 2746 */ 2747 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2748 drvp->PIO_mode = drvp->DMA_mode + 2; 2749 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2750 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2751 drvp->PIO_mode - 2 : 0; 2752 if (drvp->DMA_mode == 0) 2753 drvp->PIO_mode = 0; 2754 } 2755 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2756 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2757 SIS_TIM_ACT_OFF(drive); 2758 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2759 SIS_TIM_REC_OFF(drive); 2760 } 2761 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2762 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2763 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2764 if (idedma_ctl != 0) { 2765 /* Add software bits in status register */ 2766 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2767 IDEDMA_CTL, idedma_ctl); 2768 } 2769 pciide_print_modes(cp); 2770 } 2771 2772 void 2773 acer_chip_map(sc, pa) 2774 struct pciide_softc *sc; 2775 struct pci_attach_args *pa; 2776 { 2777 struct pciide_channel *cp; 2778 int channel; 2779 pcireg_t cr, interface; 2780 bus_size_t cmdsize, ctlsize; 2781 pcireg_t rev = PCI_REVISION(pa->pa_class); 2782 2783 if (pciide_chipen(sc, pa) == 0) 2784 return; 2785 printf("%s: bus-master DMA support present", 2786 sc->sc_wdcdev.sc_dev.dv_xname); 2787 pciide_mapreg_dma(sc, pa); 2788 printf("\n"); 2789 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2790 WDC_CAPABILITY_MODE; 2791 if (sc->sc_dma_ok) { 2792 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; 2793 if (rev >= 0x20) 2794 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2795 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2796 sc->sc_wdcdev.irqack = pciide_irqack; 2797 } 2798 2799 sc->sc_wdcdev.PIO_cap = 4; 2800 sc->sc_wdcdev.DMA_cap = 2; 2801 sc->sc_wdcdev.UDMA_cap = 2; 2802 sc->sc_wdcdev.set_modes = acer_setup_channel; 2803 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2804 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2805 2806 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2807 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2808 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2809 2810 /* Enable "microsoft register bits" R/W. */ 2811 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2812 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2813 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2814 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2815 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2816 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2817 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2818 ~ACER_CHANSTATUSREGS_RO); 2819 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2820 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2821 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2822 /* Don't use cr, re-read the real register content instead */ 2823 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2824 PCI_CLASS_REG)); 2825 2826 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2827 cp = &sc->pciide_channels[channel]; 2828 if (pciide_chansetup(sc, channel, interface) == 0) 2829 continue; 2830 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2831 printf("%s: %s channel ignored (disabled)\n", 2832 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2833 continue; 2834 } 2835 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2836 acer_pci_intr); 2837 if (cp->hw_ok == 0) 2838 continue; 2839 if (pciide_chan_candisable(cp)) { 2840 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2841 pci_conf_write(sc->sc_pc, sc->sc_tag, 2842 PCI_CLASS_REG, cr); 2843 } 2844 pciide_map_compat_intr(pa, cp, channel, interface); 2845 acer_setup_channel(&cp->wdc_channel); 2846 } 2847 } 2848 2849 void 2850 acer_setup_channel(chp) 2851 struct channel_softc *chp; 2852 { 2853 struct ata_drive_datas *drvp; 2854 int drive; 2855 u_int32_t acer_fifo_udma; 2856 u_int32_t idedma_ctl; 2857 struct pciide_channel *cp = (struct pciide_channel*)chp; 2858 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2859 2860 idedma_ctl = 0; 2861 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 2862 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 2863 acer_fifo_udma), DEBUG_PROBE); 2864 /* setup DMA if needed */ 2865 pciide_channel_dma_setup(cp); 2866 2867 for (drive = 0; drive < 2; drive++) { 2868 drvp = &chp->ch_drive[drive]; 2869 /* If no drive, skip */ 2870 if ((drvp->drive_flags & DRIVE) == 0) 2871 continue; 2872 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 2873 "channel %d drive %d 0x%x\n", chp->channel, drive, 2874 pciide_pci_read(sc->sc_pc, sc->sc_tag, 2875 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 2876 /* clear FIFO/DMA mode */ 2877 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 2878 ACER_UDMA_EN(chp->channel, drive) | 2879 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 2880 2881 /* add timing values, setup DMA if needed */ 2882 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2883 (drvp->drive_flags & DRIVE_UDMA) == 0) { 2884 acer_fifo_udma |= 2885 ACER_FTH_OPL(chp->channel, drive, 0x1); 2886 goto pio; 2887 } 2888 2889 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 2890 if (drvp->drive_flags & DRIVE_UDMA) { 2891 /* use Ultra/DMA */ 2892 drvp->drive_flags &= ~DRIVE_DMA; 2893 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 2894 acer_fifo_udma |= 2895 ACER_UDMA_TIM(chp->channel, drive, 2896 acer_udma[drvp->UDMA_mode]); 2897 } else { 2898 /* 2899 * use Multiword DMA 2900 * Timings will be used for both PIO and DMA, 2901 * so adjust DMA mode if needed 2902 */ 2903 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2904 drvp->PIO_mode = drvp->DMA_mode + 2; 2905 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2906 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2907 drvp->PIO_mode - 2 : 0; 2908 if (drvp->DMA_mode == 0) 2909 drvp->PIO_mode = 0; 2910 } 2911 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2912 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 2913 ACER_IDETIM(chp->channel, drive), 2914 acer_pio[drvp->PIO_mode]); 2915 } 2916 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 2917 acer_fifo_udma), DEBUG_PROBE); 2918 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 2919 if (idedma_ctl != 0) { 2920 /* Add software bits in status register */ 2921 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2922 IDEDMA_CTL, idedma_ctl); 2923 } 2924 pciide_print_modes(cp); 2925 } 2926 2927 int 2928 acer_pci_intr(arg) 2929 void *arg; 2930 { 2931 struct pciide_softc *sc = arg; 2932 struct pciide_channel *cp; 2933 struct channel_softc *wdc_cp; 2934 int i, rv, crv; 2935 u_int32_t chids; 2936 2937 rv = 0; 2938 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 2939 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2940 cp = &sc->pciide_channels[i]; 2941 wdc_cp = &cp->wdc_channel; 2942 /* If a compat channel skip. */ 2943 if (cp->compat) 2944 continue; 2945 if (chids & ACER_CHIDS_INT(i)) { 2946 crv = wdcintr(wdc_cp); 2947 if (crv == 0) 2948 printf("%s:%d: bogus intr\n", 2949 sc->sc_wdcdev.sc_dev.dv_xname, i); 2950 else 2951 rv = 1; 2952 } 2953 } 2954 return rv; 2955 } 2956 2957 void 2958 hpt_chip_map(sc, pa) 2959 struct pciide_softc *sc; 2960 struct pci_attach_args *pa; 2961 { 2962 struct pciide_channel *cp; 2963 int i, compatchan, revision; 2964 pcireg_t interface; 2965 bus_size_t cmdsize, ctlsize; 2966 2967 if (pciide_chipen(sc, pa) == 0) 2968 return; 2969 revision = PCI_REVISION(pa->pa_class); 2970 2971 /* 2972 * when the chip is in native mode it identifies itself as a 2973 * 'misc mass storage'. Fake interface in this case. 2974 */ 2975 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 2976 interface = PCI_INTERFACE(pa->pa_class); 2977 } else { 2978 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 2979 PCIIDE_INTERFACE_PCI(0); 2980 if (revision == HPT370_REV) 2981 interface |= PCIIDE_INTERFACE_PCI(1); 2982 } 2983 2984 printf("%s: bus-master DMA support present", 2985 sc->sc_wdcdev.sc_dev.dv_xname); 2986 pciide_mapreg_dma(sc, pa); 2987 printf("\n"); 2988 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2989 WDC_CAPABILITY_MODE; 2990 if (sc->sc_dma_ok) { 2991 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2992 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2993 sc->sc_wdcdev.irqack = pciide_irqack; 2994 } 2995 sc->sc_wdcdev.PIO_cap = 4; 2996 sc->sc_wdcdev.DMA_cap = 2; 2997 2998 sc->sc_wdcdev.set_modes = hpt_setup_channel; 2999 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3000 if (revision == HPT366_REV) { 3001 sc->sc_wdcdev.UDMA_cap = 4; 3002 /* 3003 * The 366 has 2 PCI IDE functions, one for primary and one 3004 * for secondary. So we need to call pciide_mapregs_compat() 3005 * with the real channel 3006 */ 3007 if (pa->pa_function == 0) { 3008 compatchan = 0; 3009 } else if (pa->pa_function == 1) { 3010 compatchan = 1; 3011 } else { 3012 printf("%s: unexpected PCI function %d\n", 3013 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 3014 return; 3015 } 3016 sc->sc_wdcdev.nchannels = 1; 3017 } else { 3018 sc->sc_wdcdev.nchannels = 2; 3019 sc->sc_wdcdev.UDMA_cap = 5; 3020 } 3021 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3022 cp = &sc->pciide_channels[i]; 3023 if (sc->sc_wdcdev.nchannels > 1) { 3024 compatchan = i; 3025 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 3026 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 3027 printf("%s: %s channel ignored (disabled)\n", 3028 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3029 continue; 3030 } 3031 } 3032 if (pciide_chansetup(sc, i, interface) == 0) 3033 continue; 3034 if (interface & PCIIDE_INTERFACE_PCI(i)) { 3035 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 3036 &ctlsize, hpt_pci_intr); 3037 } else { 3038 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 3039 &cmdsize, &ctlsize); 3040 } 3041 if (cp->hw_ok == 0) 3042 return; 3043 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3044 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3045 wdcattach(&cp->wdc_channel); 3046 hpt_setup_channel(&cp->wdc_channel); 3047 } 3048 if (revision == HPT370_REV) { 3049 /* 3050 * HPT370_REV has a bit to disable interrupts, make sure 3051 * to clear it 3052 */ 3053 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 3054 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 3055 ~HPT_CSEL_IRQDIS); 3056 } 3057 return; 3058 } 3059 3060 void 3061 hpt_setup_channel(chp) 3062 struct channel_softc *chp; 3063 { 3064 struct ata_drive_datas *drvp; 3065 int drive; 3066 int cable; 3067 u_int32_t before, after; 3068 u_int32_t idedma_ctl; 3069 struct pciide_channel *cp = (struct pciide_channel*)chp; 3070 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3071 3072 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 3073 3074 /* setup DMA if needed */ 3075 pciide_channel_dma_setup(cp); 3076 3077 idedma_ctl = 0; 3078 3079 /* Per drive settings */ 3080 for (drive = 0; drive < 2; drive++) { 3081 drvp = &chp->ch_drive[drive]; 3082 /* If no drive, skip */ 3083 if ((drvp->drive_flags & DRIVE) == 0) 3084 continue; 3085 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 3086 HPT_IDETIM(chp->channel, drive)); 3087 3088 /* add timing values, setup DMA if needed */ 3089 if (drvp->drive_flags & DRIVE_UDMA) { 3090 /* use Ultra/DMA */ 3091 drvp->drive_flags &= ~DRIVE_DMA; 3092 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 3093 drvp->UDMA_mode > 2) 3094 drvp->UDMA_mode = 2; 3095 after = (sc->sc_wdcdev.nchannels == 2) ? 3096 hpt370_udma[drvp->UDMA_mode] : 3097 hpt366_udma[drvp->UDMA_mode]; 3098 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3099 } else if (drvp->drive_flags & DRIVE_DMA) { 3100 /* 3101 * use Multiword DMA. 3102 * Timings will be used for both PIO and DMA, so adjust 3103 * DMA mode if needed 3104 */ 3105 if (drvp->PIO_mode >= 3 && 3106 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 3107 drvp->DMA_mode = drvp->PIO_mode - 2; 3108 } 3109 after = (sc->sc_wdcdev.nchannels == 2) ? 3110 hpt370_dma[drvp->DMA_mode] : 3111 hpt366_dma[drvp->DMA_mode]; 3112 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3113 } else { 3114 /* PIO only */ 3115 after = (sc->sc_wdcdev.nchannels == 2) ? 3116 hpt370_pio[drvp->PIO_mode] : 3117 hpt366_pio[drvp->PIO_mode]; 3118 } 3119 pci_conf_write(sc->sc_pc, sc->sc_tag, 3120 HPT_IDETIM(chp->channel, drive), after); 3121 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 3122 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 3123 after, before), DEBUG_PROBE); 3124 } 3125 if (idedma_ctl != 0) { 3126 /* Add software bits in status register */ 3127 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3128 IDEDMA_CTL, idedma_ctl); 3129 } 3130 pciide_print_modes(cp); 3131 } 3132 3133 int 3134 hpt_pci_intr(arg) 3135 void *arg; 3136 { 3137 struct pciide_softc *sc = arg; 3138 struct pciide_channel *cp; 3139 struct channel_softc *wdc_cp; 3140 int rv = 0; 3141 int dmastat, i, crv; 3142 3143 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3144 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3145 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3146 if((dmastat & IDEDMA_CTL_INTR) == 0) 3147 continue; 3148 cp = &sc->pciide_channels[i]; 3149 wdc_cp = &cp->wdc_channel; 3150 crv = wdcintr(wdc_cp); 3151 if (crv == 0) { 3152 printf("%s:%d: bogus intr\n", 3153 sc->sc_wdcdev.sc_dev.dv_xname, i); 3154 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3155 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 3156 } else 3157 rv = 1; 3158 } 3159 return rv; 3160 } 3161 3162 3163 /* A macro to test product */ 3164 #define PDC_IS_262(sc) \ 3165 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 3166 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3167 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3168 3169 void 3170 pdc202xx_chip_map(sc, pa) 3171 struct pciide_softc *sc; 3172 struct pci_attach_args *pa; 3173 { 3174 struct pciide_channel *cp; 3175 int channel; 3176 pcireg_t interface, st, mode; 3177 bus_size_t cmdsize, ctlsize; 3178 3179 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3180 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 3181 DEBUG_PROBE); 3182 if (pciide_chipen(sc, pa) == 0) 3183 return; 3184 3185 /* turn off RAID mode */ 3186 st &= ~PDC2xx_STATE_IDERAID; 3187 3188 /* 3189 * can't rely on the PCI_CLASS_REG content if the chip was in raid 3190 * mode. We have to fake interface 3191 */ 3192 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 3193 if (st & PDC2xx_STATE_NATIVE) 3194 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3195 3196 printf("%s: bus-master DMA support present", 3197 sc->sc_wdcdev.sc_dev.dv_xname); 3198 pciide_mapreg_dma(sc, pa); 3199 printf("\n"); 3200 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3201 WDC_CAPABILITY_MODE; 3202 if (sc->sc_dma_ok) { 3203 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3204 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3205 sc->sc_wdcdev.irqack = pciide_irqack; 3206 } 3207 sc->sc_wdcdev.PIO_cap = 4; 3208 sc->sc_wdcdev.DMA_cap = 2; 3209 if (PDC_IS_262(sc)) 3210 sc->sc_wdcdev.UDMA_cap = 4; 3211 else 3212 sc->sc_wdcdev.UDMA_cap = 2; 3213 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3214 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3215 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3216 3217 /* setup failsafe defaults */ 3218 mode = 0; 3219 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3220 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3221 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3222 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3223 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3224 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3225 "initial timings 0x%x, now 0x%x\n", channel, 3226 pci_conf_read(sc->sc_pc, sc->sc_tag, 3227 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3228 DEBUG_PROBE); 3229 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3230 mode | PDC2xx_TIM_IORDYp); 3231 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3232 "initial timings 0x%x, now 0x%x\n", channel, 3233 pci_conf_read(sc->sc_pc, sc->sc_tag, 3234 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3235 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3236 mode); 3237 } 3238 3239 mode = PDC2xx_SCR_DMA; 3240 if (PDC_IS_262(sc)) { 3241 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3242 } else { 3243 /* the BIOS set it up this way */ 3244 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3245 } 3246 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3247 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3248 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3249 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3250 DEBUG_PROBE); 3251 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3252 3253 /* controller initial state register is OK even without BIOS */ 3254 /* Set DMA mode to IDE DMA compatibility */ 3255 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3256 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3257 DEBUG_PROBE); 3258 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3259 mode | 0x1); 3260 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3261 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3262 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3263 mode | 0x1); 3264 3265 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3266 cp = &sc->pciide_channels[channel]; 3267 if (pciide_chansetup(sc, channel, interface) == 0) 3268 continue; 3269 if ((st & (PDC_IS_262(sc) ? 3270 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3271 printf("%s: %s channel ignored (disabled)\n", 3272 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3273 continue; 3274 } 3275 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3276 pdc202xx_pci_intr); 3277 if (cp->hw_ok == 0) 3278 continue; 3279 if (pciide_chan_candisable(cp)) 3280 st &= ~(PDC_IS_262(sc) ? 3281 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3282 pciide_map_compat_intr(pa, cp, channel, interface); 3283 pdc202xx_setup_channel(&cp->wdc_channel); 3284 } 3285 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3286 DEBUG_PROBE); 3287 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3288 return; 3289 } 3290 3291 void 3292 pdc202xx_setup_channel(chp) 3293 struct channel_softc *chp; 3294 { 3295 struct ata_drive_datas *drvp; 3296 int drive; 3297 pcireg_t mode, st; 3298 u_int32_t idedma_ctl, scr, atapi; 3299 struct pciide_channel *cp = (struct pciide_channel*)chp; 3300 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3301 int channel = chp->channel; 3302 3303 /* setup DMA if needed */ 3304 pciide_channel_dma_setup(cp); 3305 3306 idedma_ctl = 0; 3307 3308 /* Per channel settings */ 3309 if (PDC_IS_262(sc)) { 3310 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3311 PDC262_U66); 3312 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3313 /* Trimm UDMA mode */ 3314 if ((st & PDC262_STATE_80P(channel)) != 0 || 3315 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3316 chp->ch_drive[0].UDMA_mode <= 2) || 3317 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3318 chp->ch_drive[1].UDMA_mode <= 2)) { 3319 if (chp->ch_drive[0].UDMA_mode > 2) 3320 chp->ch_drive[0].UDMA_mode = 2; 3321 if (chp->ch_drive[1].UDMA_mode > 2) 3322 chp->ch_drive[1].UDMA_mode = 2; 3323 } 3324 /* Set U66 if needed */ 3325 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3326 chp->ch_drive[0].UDMA_mode > 2) || 3327 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3328 chp->ch_drive[1].UDMA_mode > 2)) 3329 scr |= PDC262_U66_EN(channel); 3330 else 3331 scr &= ~PDC262_U66_EN(channel); 3332 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3333 PDC262_U66, scr); 3334 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3335 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3336 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3337 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3338 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3339 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3340 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3341 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3342 atapi = 0; 3343 else 3344 atapi = PDC262_ATAPI_UDMA; 3345 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3346 PDC262_ATAPI(channel), atapi); 3347 } 3348 } 3349 for (drive = 0; drive < 2; drive++) { 3350 drvp = &chp->ch_drive[drive]; 3351 /* If no drive, skip */ 3352 if ((drvp->drive_flags & DRIVE) == 0) 3353 continue; 3354 mode = 0; 3355 if (drvp->drive_flags & DRIVE_UDMA) { 3356 /* use Ultra/DMA */ 3357 drvp->drive_flags &= ~DRIVE_DMA; 3358 mode = PDC2xx_TIM_SET_MB(mode, 3359 pdc2xx_udma_mb[drvp->UDMA_mode]); 3360 mode = PDC2xx_TIM_SET_MC(mode, 3361 pdc2xx_udma_mc[drvp->UDMA_mode]); 3362 drvp->drive_flags &= ~DRIVE_DMA; 3363 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3364 } else if (drvp->drive_flags & DRIVE_DMA) { 3365 mode = PDC2xx_TIM_SET_MB(mode, 3366 pdc2xx_dma_mb[drvp->DMA_mode]); 3367 mode = PDC2xx_TIM_SET_MC(mode, 3368 pdc2xx_dma_mc[drvp->DMA_mode]); 3369 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3370 } else { 3371 mode = PDC2xx_TIM_SET_MB(mode, 3372 pdc2xx_dma_mb[0]); 3373 mode = PDC2xx_TIM_SET_MC(mode, 3374 pdc2xx_dma_mc[0]); 3375 } 3376 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3377 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3378 if (drvp->drive_flags & DRIVE_ATA) 3379 mode |= PDC2xx_TIM_PRE; 3380 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3381 if (drvp->PIO_mode >= 3) { 3382 mode |= PDC2xx_TIM_IORDY; 3383 if (drive == 0) 3384 mode |= PDC2xx_TIM_IORDYp; 3385 } 3386 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3387 "timings 0x%x\n", 3388 sc->sc_wdcdev.sc_dev.dv_xname, 3389 chp->channel, drive, mode), DEBUG_PROBE); 3390 pci_conf_write(sc->sc_pc, sc->sc_tag, 3391 PDC2xx_TIM(chp->channel, drive), mode); 3392 } 3393 if (idedma_ctl != 0) { 3394 /* Add software bits in status register */ 3395 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3396 IDEDMA_CTL, idedma_ctl); 3397 } 3398 pciide_print_modes(cp); 3399 } 3400 3401 int 3402 pdc202xx_pci_intr(arg) 3403 void *arg; 3404 { 3405 struct pciide_softc *sc = arg; 3406 struct pciide_channel *cp; 3407 struct channel_softc *wdc_cp; 3408 int i, rv, crv; 3409 u_int32_t scr; 3410 3411 rv = 0; 3412 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3413 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3414 cp = &sc->pciide_channels[i]; 3415 wdc_cp = &cp->wdc_channel; 3416 /* If a compat channel skip. */ 3417 if (cp->compat) 3418 continue; 3419 if (scr & PDC2xx_SCR_INT(i)) { 3420 crv = wdcintr(wdc_cp); 3421 if (crv == 0) 3422 printf("%s:%d: bogus intr\n", 3423 sc->sc_wdcdev.sc_dev.dv_xname, i); 3424 else 3425 rv = 1; 3426 } 3427 } 3428 return rv; 3429 } 3430 3431 void 3432 opti_chip_map(sc, pa) 3433 struct pciide_softc *sc; 3434 struct pci_attach_args *pa; 3435 { 3436 struct pciide_channel *cp; 3437 bus_size_t cmdsize, ctlsize; 3438 pcireg_t interface; 3439 u_int8_t init_ctrl; 3440 int channel; 3441 3442 if (pciide_chipen(sc, pa) == 0) 3443 return; 3444 printf("%s: bus-master DMA support present", 3445 sc->sc_wdcdev.sc_dev.dv_xname); 3446 pciide_mapreg_dma(sc, pa); 3447 printf("\n"); 3448 3449 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3450 WDC_CAPABILITY_MODE; 3451 sc->sc_wdcdev.PIO_cap = 4; 3452 if (sc->sc_dma_ok) { 3453 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3454 sc->sc_wdcdev.irqack = pciide_irqack; 3455 sc->sc_wdcdev.DMA_cap = 2; 3456 } 3457 sc->sc_wdcdev.set_modes = opti_setup_channel; 3458 3459 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3460 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3461 3462 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3463 OPTI_REG_INIT_CONTROL); 3464 3465 interface = PCI_INTERFACE(pa->pa_class); 3466 3467 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3468 cp = &sc->pciide_channels[channel]; 3469 if (pciide_chansetup(sc, channel, interface) == 0) 3470 continue; 3471 if (channel == 1 && 3472 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3473 printf("%s: %s channel ignored (disabled)\n", 3474 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3475 continue; 3476 } 3477 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3478 pciide_pci_intr); 3479 if (cp->hw_ok == 0) 3480 continue; 3481 pciide_map_compat_intr(pa, cp, channel, interface); 3482 if (cp->hw_ok == 0) 3483 continue; 3484 opti_setup_channel(&cp->wdc_channel); 3485 } 3486 } 3487 3488 void 3489 opti_setup_channel(chp) 3490 struct channel_softc *chp; 3491 { 3492 struct ata_drive_datas *drvp; 3493 struct pciide_channel *cp = (struct pciide_channel*)chp; 3494 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3495 int drive, spd; 3496 int mode[2]; 3497 u_int8_t rv, mr; 3498 3499 /* 3500 * The `Delay' and `Address Setup Time' fields of the 3501 * Miscellaneous Register are always zero initially. 3502 */ 3503 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3504 mr &= ~(OPTI_MISC_DELAY_MASK | 3505 OPTI_MISC_ADDR_SETUP_MASK | 3506 OPTI_MISC_INDEX_MASK); 3507 3508 /* Prime the control register before setting timing values */ 3509 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3510 3511 /* Determine the clockrate of the PCIbus the chip is attached to */ 3512 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3513 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3514 3515 /* setup DMA if needed */ 3516 pciide_channel_dma_setup(cp); 3517 3518 for (drive = 0; drive < 2; drive++) { 3519 drvp = &chp->ch_drive[drive]; 3520 /* If no drive, skip */ 3521 if ((drvp->drive_flags & DRIVE) == 0) { 3522 mode[drive] = -1; 3523 continue; 3524 } 3525 3526 if ((drvp->drive_flags & DRIVE_DMA)) { 3527 /* 3528 * Timings will be used for both PIO and DMA, 3529 * so adjust DMA mode if needed 3530 */ 3531 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3532 drvp->PIO_mode = drvp->DMA_mode + 2; 3533 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3534 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3535 drvp->PIO_mode - 2 : 0; 3536 if (drvp->DMA_mode == 0) 3537 drvp->PIO_mode = 0; 3538 3539 mode[drive] = drvp->DMA_mode + 5; 3540 } else 3541 mode[drive] = drvp->PIO_mode; 3542 3543 if (drive && mode[0] >= 0 && 3544 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3545 /* 3546 * Can't have two drives using different values 3547 * for `Address Setup Time'. 3548 * Slow down the faster drive to compensate. 3549 */ 3550 int d = (opti_tim_as[spd][mode[0]] > 3551 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3552 3553 mode[d] = mode[1-d]; 3554 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3555 chp->ch_drive[d].DMA_mode = 0; 3556 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3557 } 3558 } 3559 3560 for (drive = 0; drive < 2; drive++) { 3561 int m; 3562 if ((m = mode[drive]) < 0) 3563 continue; 3564 3565 /* Set the Address Setup Time and select appropriate index */ 3566 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3567 rv |= OPTI_MISC_INDEX(drive); 3568 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3569 3570 /* Set the pulse width and recovery timing parameters */ 3571 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3572 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3573 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3574 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3575 3576 /* Set the Enhanced Mode register appropriately */ 3577 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3578 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3579 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3580 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3581 } 3582 3583 /* Finally, enable the timings */ 3584 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3585 3586 pciide_print_modes(cp); 3587 } 3588
Indexes created Thu Oct 02 10:09:58 GMT 2025