pciide.c revision 1.68.2.16
1 /* $NetBSD: pciide.c,v 1.68.2.16 2001/02/04 18:42:34 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 { 0, 264 0, 265 NULL, 266 } 267 }; 268 269 const struct pciide_product_desc pciide_amd_products[] = { 270 { PCI_PRODUCT_AMD_PBC756_IDE, 271 0, 272 "Advanced Micro Devices AMD756 IDE Controller", 273 amd756_chip_map 274 }, 275 { 0, 276 0, 277 NULL, 278 } 279 }; 280 281 const struct pciide_product_desc pciide_cmd_products[] = { 282 { PCI_PRODUCT_CMDTECH_640, 283 0, 284 "CMD Technology PCI0640", 285 cmd_chip_map 286 }, 287 { PCI_PRODUCT_CMDTECH_643, 288 0, 289 "CMD Technology PCI0643", 290 cmd0643_9_chip_map, 291 }, 292 { PCI_PRODUCT_CMDTECH_646, 293 0, 294 "CMD Technology PCI0646", 295 cmd0643_9_chip_map, 296 }, 297 { PCI_PRODUCT_CMDTECH_648, 298 IDE_PCI_CLASS_OVERRIDE, 299 "CMD Technology PCI0648", 300 cmd0643_9_chip_map, 301 }, 302 { PCI_PRODUCT_CMDTECH_649, 303 IDE_PCI_CLASS_OVERRIDE, 304 "CMD Technology PCI0649", 305 cmd0643_9_chip_map, 306 }, 307 { 0, 308 0, 309 NULL, 310 } 311 }; 312 313 const struct pciide_product_desc pciide_via_products[] = { 314 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 315 0, 316 "VIA Tech VT82C586 IDE Controller", 317 apollo_chip_map, 318 }, 319 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 320 0, 321 "VIA Tech VT82C586A IDE Controller", 322 apollo_chip_map, 323 }, 324 { 0, 325 0, 326 NULL, 327 } 328 }; 329 330 const struct pciide_product_desc pciide_cypress_products[] = { 331 { PCI_PRODUCT_CONTAQ_82C693, 332 0, 333 "Cypress 82C693 IDE Controller", 334 cy693_chip_map, 335 }, 336 { 0, 337 0, 338 NULL, 339 } 340 }; 341 342 const struct pciide_product_desc pciide_sis_products[] = { 343 { PCI_PRODUCT_SIS_5597_IDE, 344 0, 345 "Silicon Integrated System 5597/5598 IDE controller", 346 sis_chip_map, 347 }, 348 { 0, 349 0, 350 NULL, 351 } 352 }; 353 354 const struct pciide_product_desc pciide_acer_products[] = { 355 { PCI_PRODUCT_ALI_M5229, 356 0, 357 "Acer Labs M5229 UDMA IDE Controller", 358 acer_chip_map, 359 }, 360 { 0, 361 0, 362 NULL, 363 } 364 }; 365 366 const struct pciide_product_desc pciide_promise_products[] = { 367 { PCI_PRODUCT_PROMISE_ULTRA33, 368 IDE_PCI_CLASS_OVERRIDE, 369 "Promise Ultra33/ATA Bus Master IDE Accelerator", 370 pdc202xx_chip_map, 371 }, 372 { PCI_PRODUCT_PROMISE_ULTRA66, 373 IDE_PCI_CLASS_OVERRIDE, 374 "Promise Ultra66/ATA Bus Master IDE Accelerator", 375 pdc202xx_chip_map, 376 }, 377 { PCI_PRODUCT_PROMISE_ULTRA100, 378 IDE_PCI_CLASS_OVERRIDE, 379 "Promise Ultra100/ATA Bus Master IDE Accelerator", 380 pdc202xx_chip_map, 381 }, 382 { PCI_PRODUCT_PROMISE_ULTRA100X, 383 IDE_PCI_CLASS_OVERRIDE, 384 "Promise Ultra100/ATA Bus Master IDE Accelerator", 385 pdc202xx_chip_map, 386 }, 387 { 0, 388 0, 389 NULL, 390 } 391 }; 392 393 const struct pciide_product_desc pciide_opti_products[] = { 394 { PCI_PRODUCT_OPTI_82C621, 395 0, 396 "OPTi 82c621 PCI IDE controller", 397 opti_chip_map, 398 }, 399 { PCI_PRODUCT_OPTI_82C568, 400 0, 401 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 402 opti_chip_map, 403 }, 404 { PCI_PRODUCT_OPTI_82D568, 405 0, 406 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 407 opti_chip_map, 408 }, 409 { 0, 410 0, 411 NULL, 412 } 413 }; 414 415 const struct pciide_product_desc pciide_triones_products[] = { 416 { PCI_PRODUCT_TRIONES_HPT366, 417 IDE_PCI_CLASS_OVERRIDE, 418 "Triones/Highpoint HPT366/370 IDE Controller", 419 hpt_chip_map, 420 }, 421 { 0, 422 0, 423 NULL, 424 } 425 }; 426 427 struct pciide_vendor_desc { 428 u_int32_t ide_vendor; 429 const struct pciide_product_desc *ide_products; 430 }; 431 432 const struct pciide_vendor_desc pciide_vendors[] = { 433 { PCI_VENDOR_INTEL, pciide_intel_products }, 434 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 435 { PCI_VENDOR_VIATECH, pciide_via_products }, 436 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 437 { PCI_VENDOR_SIS, pciide_sis_products }, 438 { PCI_VENDOR_ALI, pciide_acer_products }, 439 { PCI_VENDOR_PROMISE, pciide_promise_products }, 440 { PCI_VENDOR_AMD, pciide_amd_products }, 441 { PCI_VENDOR_OPTI, pciide_opti_products }, 442 { PCI_VENDOR_TRIONES, pciide_triones_products }, 443 { 0, NULL } 444 }; 445 446 /* options passed via the 'flags' config keyword */ 447 #define PCIIDE_OPTIONS_DMA 0x01 448 449 int pciide_match __P((struct device *, struct cfdata *, void *)); 450 void pciide_attach __P((struct device *, struct device *, void *)); 451 452 struct cfattach pciide_ca = { 453 sizeof(struct pciide_softc), pciide_match, pciide_attach 454 }; 455 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 456 int pciide_mapregs_compat __P(( struct pci_attach_args *, 457 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 458 int pciide_mapregs_native __P((struct pci_attach_args *, 459 struct pciide_channel *, bus_size_t *, bus_size_t *, 460 int (*pci_intr) __P((void *)))); 461 void pciide_mapreg_dma __P((struct pciide_softc *, 462 struct pci_attach_args *)); 463 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 464 void pciide_mapchan __P((struct pci_attach_args *, 465 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 466 int (*pci_intr) __P((void *)))); 467 int pciide_chan_candisable __P((struct pciide_channel *)); 468 void pciide_map_compat_intr __P(( struct pci_attach_args *, 469 struct pciide_channel *, int, int)); 470 int pciide_print __P((void *, const char *pnp)); 471 int pciide_compat_intr __P((void *)); 472 int pciide_pci_intr __P((void *)); 473 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 474 475 const struct pciide_product_desc * 476 pciide_lookup_product(id) 477 u_int32_t id; 478 { 479 const struct pciide_product_desc *pp; 480 const struct pciide_vendor_desc *vp; 481 482 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 483 if (PCI_VENDOR(id) == vp->ide_vendor) 484 break; 485 486 if ((pp = vp->ide_products) == NULL) 487 return NULL; 488 489 for (; pp->ide_name != NULL; pp++) 490 if (PCI_PRODUCT(id) == pp->ide_product) 491 break; 492 493 if (pp->ide_name == NULL) 494 return NULL; 495 return pp; 496 } 497 498 int 499 pciide_match(parent, match, aux) 500 struct device *parent; 501 struct cfdata *match; 502 void *aux; 503 { 504 struct pci_attach_args *pa = aux; 505 const struct pciide_product_desc *pp; 506 507 /* 508 * Check the ID register to see that it's a PCI IDE controller. 509 * If it is, we assume that we can deal with it; it _should_ 510 * work in a standardized way... 511 */ 512 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 513 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 514 return (1); 515 } 516 517 /* 518 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 519 * controllers. Let see if we can deal with it anyway. 520 */ 521 pp = pciide_lookup_product(pa->pa_id); 522 if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 523 return (1); 524 } 525 526 return (0); 527 } 528 529 void 530 pciide_attach(parent, self, aux) 531 struct device *parent, *self; 532 void *aux; 533 { 534 struct pci_attach_args *pa = aux; 535 pci_chipset_tag_t pc = pa->pa_pc; 536 pcitag_t tag = pa->pa_tag; 537 struct pciide_softc *sc = (struct pciide_softc *)self; 538 pcireg_t csr; 539 char devinfo[256]; 540 const char *displaydev; 541 542 sc->sc_pp = pciide_lookup_product(pa->pa_id); 543 if (sc->sc_pp == NULL) { 544 sc->sc_pp = &default_product_desc; 545 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 546 displaydev = devinfo; 547 } else 548 displaydev = sc->sc_pp->ide_name; 549 550 printf(": %s (rev. 0x%02x)\n", displaydev, PCI_REVISION(pa->pa_class)); 551 552 sc->sc_pc = pa->pa_pc; 553 sc->sc_tag = pa->pa_tag; 554 #ifdef WDCDEBUG 555 if (wdcdebug_pciide_mask & DEBUG_PROBE) 556 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 557 #endif 558 sc->sc_pp->chip_map(sc, pa); 559 560 if (sc->sc_dma_ok) { 561 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 562 csr |= PCI_COMMAND_MASTER_ENABLE; 563 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 564 } 565 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 566 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 567 } 568 569 /* tell wether the chip is enabled or not */ 570 int 571 pciide_chipen(sc, pa) 572 struct pciide_softc *sc; 573 struct pci_attach_args *pa; 574 { 575 pcireg_t csr; 576 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 577 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 578 PCI_COMMAND_STATUS_REG); 579 printf("%s: device disabled (at %s)\n", 580 sc->sc_wdcdev.sc_dev.dv_xname, 581 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 582 "device" : "bridge"); 583 return 0; 584 } 585 return 1; 586 } 587 588 int 589 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 590 struct pci_attach_args *pa; 591 struct pciide_channel *cp; 592 int compatchan; 593 bus_size_t *cmdsizep, *ctlsizep; 594 { 595 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 596 struct channel_softc *wdc_cp = &cp->wdc_channel; 597 598 cp->compat = 1; 599 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 600 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 601 602 wdc_cp->cmd_iot = pa->pa_iot; 603 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 604 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 605 printf("%s: couldn't map %s channel cmd regs\n", 606 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 607 return (0); 608 } 609 610 wdc_cp->ctl_iot = pa->pa_iot; 611 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 612 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 613 printf("%s: couldn't map %s channel ctl regs\n", 614 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 615 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 616 PCIIDE_COMPAT_CMD_SIZE); 617 return (0); 618 } 619 620 return (1); 621 } 622 623 int 624 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 625 struct pci_attach_args * pa; 626 struct pciide_channel *cp; 627 bus_size_t *cmdsizep, *ctlsizep; 628 int (*pci_intr) __P((void *)); 629 { 630 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 631 struct channel_softc *wdc_cp = &cp->wdc_channel; 632 const char *intrstr; 633 pci_intr_handle_t intrhandle; 634 635 cp->compat = 0; 636 637 if (sc->sc_pci_ih == NULL) { 638 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 639 pa->pa_intrline, &intrhandle) != 0) { 640 printf("%s: couldn't map native-PCI interrupt\n", 641 sc->sc_wdcdev.sc_dev.dv_xname); 642 return 0; 643 } 644 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 645 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 646 intrhandle, IPL_BIO, pci_intr, sc); 647 if (sc->sc_pci_ih != NULL) { 648 printf("%s: using %s for native-PCI interrupt\n", 649 sc->sc_wdcdev.sc_dev.dv_xname, 650 intrstr ? intrstr : "unknown interrupt"); 651 } else { 652 printf("%s: couldn't establish native-PCI interrupt", 653 sc->sc_wdcdev.sc_dev.dv_xname); 654 if (intrstr != NULL) 655 printf(" at %s", intrstr); 656 printf("\n"); 657 return 0; 658 } 659 } 660 cp->ih = sc->sc_pci_ih; 661 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 662 PCI_MAPREG_TYPE_IO, 0, 663 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 664 printf("%s: couldn't map %s channel cmd regs\n", 665 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 666 return 0; 667 } 668 669 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 670 PCI_MAPREG_TYPE_IO, 0, 671 &wdc_cp->ctl_iot, &wdc_cp->ctl_ioh, NULL, ctlsizep) != 0) { 672 printf("%s: couldn't map %s channel ctl regs\n", 673 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 674 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 675 return 0; 676 } 677 return (1); 678 } 679 680 void 681 pciide_mapreg_dma(sc, pa) 682 struct pciide_softc *sc; 683 struct pci_attach_args *pa; 684 { 685 pcireg_t maptype; 686 687 /* 688 * Map DMA registers 689 * 690 * Note that sc_dma_ok is the right variable to test to see if 691 * DMA can be done. If the interface doesn't support DMA, 692 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 693 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 694 * non-zero if the interface supports DMA and the registers 695 * could be mapped. 696 * 697 * XXX Note that despite the fact that the Bus Master IDE specs 698 * XXX say that "The bus master IDE function uses 16 bytes of IO 699 * XXX space," some controllers (at least the United 700 * XXX Microelectronics UM8886BF) place it in memory space. 701 */ 702 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 703 PCIIDE_REG_BUS_MASTER_DMA); 704 705 switch (maptype) { 706 case PCI_MAPREG_TYPE_IO: 707 case PCI_MAPREG_MEM_TYPE_32BIT: 708 sc->sc_dma_ok = (pci_mapreg_map(pa, 709 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 710 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 711 sc->sc_dmat = pa->pa_dmat; 712 if (sc->sc_dma_ok == 0) { 713 printf(", but unused (couldn't map registers)"); 714 } else { 715 sc->sc_wdcdev.dma_arg = sc; 716 sc->sc_wdcdev.dma_init = pciide_dma_init; 717 sc->sc_wdcdev.dma_start = pciide_dma_start; 718 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 719 } 720 break; 721 722 default: 723 sc->sc_dma_ok = 0; 724 printf(", but unsupported register maptype (0x%x)", maptype); 725 } 726 } 727 728 int 729 pciide_compat_intr(arg) 730 void *arg; 731 { 732 struct pciide_channel *cp = arg; 733 734 #ifdef DIAGNOSTIC 735 /* should only be called for a compat channel */ 736 if (cp->compat == 0) 737 panic("pciide compat intr called for non-compat chan %p\n", cp); 738 #endif 739 return (wdcintr(&cp->wdc_channel)); 740 } 741 742 int 743 pciide_pci_intr(arg) 744 void *arg; 745 { 746 struct pciide_softc *sc = arg; 747 struct pciide_channel *cp; 748 struct channel_softc *wdc_cp; 749 int i, rv, crv; 750 751 rv = 0; 752 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 753 cp = &sc->pciide_channels[i]; 754 wdc_cp = &cp->wdc_channel; 755 756 /* If a compat channel skip. */ 757 if (cp->compat) 758 continue; 759 /* if this channel not waiting for intr, skip */ 760 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 761 continue; 762 763 crv = wdcintr(wdc_cp); 764 if (crv == 0) 765 ; /* leave rv alone */ 766 else if (crv == 1) 767 rv = 1; /* claim the intr */ 768 else if (rv == 0) /* crv should be -1 in this case */ 769 rv = crv; /* if we've done no better, take it */ 770 } 771 return (rv); 772 } 773 774 void 775 pciide_channel_dma_setup(cp) 776 struct pciide_channel *cp; 777 { 778 int drive; 779 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 780 struct ata_drive_datas *drvp; 781 782 for (drive = 0; drive < 2; drive++) { 783 drvp = &cp->wdc_channel.ch_drive[drive]; 784 /* If no drive, skip */ 785 if ((drvp->drive_flags & DRIVE) == 0) 786 continue; 787 /* setup DMA if needed */ 788 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 789 (drvp->drive_flags & DRIVE_UDMA) == 0) || 790 sc->sc_dma_ok == 0) { 791 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 792 continue; 793 } 794 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 795 != 0) { 796 /* Abort DMA setup */ 797 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 798 continue; 799 } 800 } 801 } 802 803 int 804 pciide_dma_table_setup(sc, channel, drive) 805 struct pciide_softc *sc; 806 int channel, drive; 807 { 808 bus_dma_segment_t seg; 809 int error, rseg; 810 const bus_size_t dma_table_size = 811 sizeof(struct idedma_table) * NIDEDMA_TABLES; 812 struct pciide_dma_maps *dma_maps = 813 &sc->pciide_channels[channel].dma_maps[drive]; 814 815 /* If table was already allocated, just return */ 816 if (dma_maps->dma_table) 817 return 0; 818 819 /* Allocate memory for the DMA tables and map it */ 820 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 821 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 822 BUS_DMA_NOWAIT)) != 0) { 823 printf("%s:%d: unable to allocate table DMA for " 824 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 825 channel, drive, error); 826 return error; 827 } 828 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 829 dma_table_size, 830 (caddr_t *)&dma_maps->dma_table, 831 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 832 printf("%s:%d: unable to map table DMA for" 833 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 834 channel, drive, error); 835 return error; 836 } 837 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, " 838 "phy 0x%lx\n", dma_maps->dma_table, dma_table_size, 839 seg.ds_addr), DEBUG_PROBE); 840 841 /* Create and load table DMA map for this disk */ 842 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 843 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 844 &dma_maps->dmamap_table)) != 0) { 845 printf("%s:%d: unable to create table DMA map for " 846 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 847 channel, drive, error); 848 return error; 849 } 850 if ((error = bus_dmamap_load(sc->sc_dmat, 851 dma_maps->dmamap_table, 852 dma_maps->dma_table, 853 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 854 printf("%s:%d: unable to load table DMA map for " 855 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 856 channel, drive, error); 857 return error; 858 } 859 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 860 dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE); 861 /* Create a xfer DMA map for this drive */ 862 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 863 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN, 864 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 865 &dma_maps->dmamap_xfer)) != 0) { 866 printf("%s:%d: unable to create xfer DMA map for " 867 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 868 channel, drive, error); 869 return error; 870 } 871 return 0; 872 } 873 874 int 875 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 876 void *v; 877 int channel, drive; 878 void *databuf; 879 size_t datalen; 880 int flags; 881 { 882 struct pciide_softc *sc = v; 883 int error, seg; 884 struct pciide_dma_maps *dma_maps = 885 &sc->pciide_channels[channel].dma_maps[drive]; 886 887 error = bus_dmamap_load(sc->sc_dmat, 888 dma_maps->dmamap_xfer, 889 databuf, datalen, NULL, BUS_DMA_NOWAIT); 890 if (error) { 891 printf("%s:%d: unable to load xfer DMA map for" 892 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 893 channel, drive, error); 894 return error; 895 } 896 897 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 898 dma_maps->dmamap_xfer->dm_mapsize, 899 (flags & WDC_DMA_READ) ? 900 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 901 902 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 903 #ifdef DIAGNOSTIC 904 /* A segment must not cross a 64k boundary */ 905 { 906 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 907 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 908 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 909 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 910 printf("pciide_dma: segment %d physical addr 0x%lx" 911 " len 0x%lx not properly aligned\n", 912 seg, phys, len); 913 panic("pciide_dma: buf align"); 914 } 915 } 916 #endif 917 dma_maps->dma_table[seg].base_addr = 918 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 919 dma_maps->dma_table[seg].byte_count = 920 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 921 IDEDMA_BYTE_COUNT_MASK); 922 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 923 seg, le32toh(dma_maps->dma_table[seg].byte_count), 924 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 925 926 } 927 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 928 htole32(IDEDMA_BYTE_COUNT_EOT); 929 930 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 931 dma_maps->dmamap_table->dm_mapsize, 932 BUS_DMASYNC_PREWRITE); 933 934 /* Maps are ready. Start DMA function */ 935 #ifdef DIAGNOSTIC 936 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 937 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 938 dma_maps->dmamap_table->dm_segs[0].ds_addr); 939 panic("pciide_dma_init: table align"); 940 } 941 #endif 942 943 /* Clear status bits */ 944 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 945 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 946 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 947 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 948 /* Write table addr */ 949 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 950 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 951 dma_maps->dmamap_table->dm_segs[0].ds_addr); 952 /* set read/write */ 953 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 954 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 955 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 956 /* remember flags */ 957 dma_maps->dma_flags = flags; 958 return 0; 959 } 960 961 void 962 pciide_dma_start(v, channel, drive) 963 void *v; 964 int channel, drive; 965 { 966 struct pciide_softc *sc = v; 967 968 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 969 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 970 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 971 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 972 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 973 } 974 975 int 976 pciide_dma_finish(v, channel, drive, force) 977 void *v; 978 int channel, drive; 979 int force; 980 { 981 struct pciide_softc *sc = v; 982 u_int8_t status; 983 int error = 0; 984 struct pciide_dma_maps *dma_maps = 985 &sc->pciide_channels[channel].dma_maps[drive]; 986 987 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 988 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 989 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 990 DEBUG_XFERS); 991 992 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 993 return WDC_DMAST_NOIRQ; 994 995 /* stop DMA channel */ 996 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 997 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 998 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 999 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 1000 1001 /* Unload the map of the data buffer */ 1002 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 1003 dma_maps->dmamap_xfer->dm_mapsize, 1004 (dma_maps->dma_flags & WDC_DMA_READ) ? 1005 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1006 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 1007 1008 if ((status & IDEDMA_CTL_ERR) != 0) { 1009 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 1010 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 1011 error |= WDC_DMAST_ERR; 1012 } 1013 1014 if ((status & IDEDMA_CTL_INTR) == 0) { 1015 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 1016 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 1017 drive, status); 1018 error |= WDC_DMAST_NOIRQ; 1019 } 1020 1021 if ((status & IDEDMA_CTL_ACT) != 0) { 1022 /* data underrun, may be a valid condition for ATAPI */ 1023 error |= WDC_DMAST_UNDER; 1024 } 1025 return error; 1026 } 1027 1028 void 1029 pciide_irqack(chp) 1030 struct channel_softc *chp; 1031 { 1032 struct pciide_channel *cp = (struct pciide_channel*)chp; 1033 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1034 1035 /* clear status bits in IDE DMA registers */ 1036 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1037 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1038 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1039 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1040 } 1041 1042 /* some common code used by several chip_map */ 1043 int 1044 pciide_chansetup(sc, channel, interface) 1045 struct pciide_softc *sc; 1046 int channel; 1047 pcireg_t interface; 1048 { 1049 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1050 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1051 cp->name = PCIIDE_CHANNEL_NAME(channel); 1052 cp->wdc_channel.channel = channel; 1053 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1054 cp->wdc_channel.ch_queue = 1055 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1056 if (cp->wdc_channel.ch_queue == NULL) { 1057 printf("%s %s channel: " 1058 "can't allocate memory for command queue", 1059 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1060 return 0; 1061 } 1062 printf("%s: %s channel %s to %s mode\n", 1063 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1064 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1065 "configured" : "wired", 1066 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1067 "native-PCI" : "compatibility"); 1068 return 1; 1069 } 1070 1071 /* some common code used by several chip channel_map */ 1072 void 1073 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1074 struct pci_attach_args *pa; 1075 struct pciide_channel *cp; 1076 pcireg_t interface; 1077 bus_size_t *cmdsizep, *ctlsizep; 1078 int (*pci_intr) __P((void *)); 1079 { 1080 struct channel_softc *wdc_cp = &cp->wdc_channel; 1081 1082 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1083 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1084 pci_intr); 1085 else 1086 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1087 wdc_cp->channel, cmdsizep, ctlsizep); 1088 1089 if (cp->hw_ok == 0) 1090 return; 1091 wdc_cp->data32iot = wdc_cp->cmd_iot; 1092 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1093 wdcattach(wdc_cp); 1094 } 1095 1096 /* 1097 * Generic code to call to know if a channel can be disabled. Return 1 1098 * if channel can be disabled, 0 if not 1099 */ 1100 int 1101 pciide_chan_candisable(cp) 1102 struct pciide_channel *cp; 1103 { 1104 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1105 struct channel_softc *wdc_cp = &cp->wdc_channel; 1106 1107 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1108 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1109 printf("%s: disabling %s channel (no drives)\n", 1110 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1111 cp->hw_ok = 0; 1112 return 1; 1113 } 1114 return 0; 1115 } 1116 1117 /* 1118 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1119 * Set hw_ok=0 on failure 1120 */ 1121 void 1122 pciide_map_compat_intr(pa, cp, compatchan, interface) 1123 struct pci_attach_args *pa; 1124 struct pciide_channel *cp; 1125 int compatchan, interface; 1126 { 1127 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1128 struct channel_softc *wdc_cp = &cp->wdc_channel; 1129 1130 if (cp->hw_ok == 0) 1131 return; 1132 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1133 return; 1134 1135 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1136 pa, compatchan, pciide_compat_intr, cp); 1137 if (cp->ih == NULL) { 1138 printf("%s: no compatibility interrupt for use by %s " 1139 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1140 cp->hw_ok = 0; 1141 } 1142 } 1143 1144 void 1145 pciide_print_modes(cp) 1146 struct pciide_channel *cp; 1147 { 1148 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1149 int drive; 1150 struct channel_softc *chp; 1151 struct ata_drive_datas *drvp; 1152 1153 chp = &cp->wdc_channel; 1154 for (drive = 0; drive < 2; drive++) { 1155 drvp = &chp->ch_drive[drive]; 1156 if ((drvp->drive_flags & DRIVE) == 0) 1157 continue; 1158 printf("%s(%s:%d:%d): using PIO mode %d", 1159 drvp->drv_softc->dv_xname, 1160 sc->sc_wdcdev.sc_dev.dv_xname, 1161 chp->channel, drive, drvp->PIO_mode); 1162 if (drvp->drive_flags & DRIVE_DMA) 1163 printf(", DMA mode %d", drvp->DMA_mode); 1164 if (drvp->drive_flags & DRIVE_UDMA) 1165 printf(", Ultra-DMA mode %d", drvp->UDMA_mode); 1166 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) 1167 printf(" (using DMA data transfers)"); 1168 printf("\n"); 1169 } 1170 } 1171 1172 void 1173 default_chip_map(sc, pa) 1174 struct pciide_softc *sc; 1175 struct pci_attach_args *pa; 1176 { 1177 struct pciide_channel *cp; 1178 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1179 pcireg_t csr; 1180 int channel, drive; 1181 struct ata_drive_datas *drvp; 1182 u_int8_t idedma_ctl; 1183 bus_size_t cmdsize, ctlsize; 1184 char *failreason; 1185 1186 if (pciide_chipen(sc, pa) == 0) 1187 return; 1188 1189 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1190 printf("%s: bus-master DMA support present", 1191 sc->sc_wdcdev.sc_dev.dv_xname); 1192 if (sc->sc_pp == &default_product_desc && 1193 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1194 PCIIDE_OPTIONS_DMA) == 0) { 1195 printf(", but unused (no driver support)"); 1196 sc->sc_dma_ok = 0; 1197 } else { 1198 pciide_mapreg_dma(sc, pa); 1199 if (sc->sc_dma_ok != 0) 1200 printf(", used without full driver " 1201 "support"); 1202 } 1203 } else { 1204 printf("%s: hardware does not support DMA", 1205 sc->sc_wdcdev.sc_dev.dv_xname); 1206 sc->sc_dma_ok = 0; 1207 } 1208 printf("\n"); 1209 if (sc->sc_dma_ok) { 1210 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1211 sc->sc_wdcdev.irqack = pciide_irqack; 1212 } 1213 sc->sc_wdcdev.PIO_cap = 0; 1214 sc->sc_wdcdev.DMA_cap = 0; 1215 1216 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1217 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1218 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1219 1220 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1221 cp = &sc->pciide_channels[channel]; 1222 if (pciide_chansetup(sc, channel, interface) == 0) 1223 continue; 1224 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1225 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1226 &ctlsize, pciide_pci_intr); 1227 } else { 1228 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1229 channel, &cmdsize, &ctlsize); 1230 } 1231 if (cp->hw_ok == 0) 1232 continue; 1233 /* 1234 * Check to see if something appears to be there. 1235 */ 1236 failreason = NULL; 1237 if (!wdcprobe(&cp->wdc_channel)) { 1238 failreason = "not responding; disabled or no drives?"; 1239 goto next; 1240 } 1241 /* 1242 * Now, make sure it's actually attributable to this PCI IDE 1243 * channel by trying to access the channel again while the 1244 * PCI IDE controller's I/O space is disabled. (If the 1245 * channel no longer appears to be there, it belongs to 1246 * this controller.) YUCK! 1247 */ 1248 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1249 PCI_COMMAND_STATUS_REG); 1250 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1251 csr & ~PCI_COMMAND_IO_ENABLE); 1252 if (wdcprobe(&cp->wdc_channel)) 1253 failreason = "other hardware responding at addresses"; 1254 pci_conf_write(sc->sc_pc, sc->sc_tag, 1255 PCI_COMMAND_STATUS_REG, csr); 1256 next: 1257 if (failreason) { 1258 printf("%s: %s channel ignored (%s)\n", 1259 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1260 failreason); 1261 cp->hw_ok = 0; 1262 bus_space_unmap(cp->wdc_channel.cmd_iot, 1263 cp->wdc_channel.cmd_ioh, cmdsize); 1264 bus_space_unmap(cp->wdc_channel.ctl_iot, 1265 cp->wdc_channel.ctl_ioh, ctlsize); 1266 } else { 1267 pciide_map_compat_intr(pa, cp, channel, interface); 1268 } 1269 if (cp->hw_ok) { 1270 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1271 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1272 wdcattach(&cp->wdc_channel); 1273 } 1274 } 1275 1276 if (sc->sc_dma_ok == 0) 1277 return; 1278 1279 /* Allocate DMA maps */ 1280 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1281 idedma_ctl = 0; 1282 cp = &sc->pciide_channels[channel]; 1283 for (drive = 0; drive < 2; drive++) { 1284 drvp = &cp->wdc_channel.ch_drive[drive]; 1285 /* If no drive, skip */ 1286 if ((drvp->drive_flags & DRIVE) == 0) 1287 continue; 1288 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1289 continue; 1290 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1291 /* Abort DMA setup */ 1292 printf("%s:%d:%d: can't allocate DMA maps, " 1293 "using PIO transfers\n", 1294 sc->sc_wdcdev.sc_dev.dv_xname, 1295 channel, drive); 1296 drvp->drive_flags &= ~DRIVE_DMA; 1297 } 1298 printf("%s:%d:%d: using DMA data transfers\n", 1299 sc->sc_wdcdev.sc_dev.dv_xname, 1300 channel, drive); 1301 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1302 } 1303 if (idedma_ctl != 0) { 1304 /* Add software bits in status register */ 1305 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1306 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1307 idedma_ctl); 1308 } 1309 } 1310 } 1311 1312 void 1313 piix_chip_map(sc, pa) 1314 struct pciide_softc *sc; 1315 struct pci_attach_args *pa; 1316 { 1317 struct pciide_channel *cp; 1318 int channel; 1319 u_int32_t idetim; 1320 bus_size_t cmdsize, ctlsize; 1321 1322 if (pciide_chipen(sc, pa) == 0) 1323 return; 1324 1325 printf("%s: bus-master DMA support present", 1326 sc->sc_wdcdev.sc_dev.dv_xname); 1327 pciide_mapreg_dma(sc, pa); 1328 printf("\n"); 1329 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1330 WDC_CAPABILITY_MODE; 1331 if (sc->sc_dma_ok) { 1332 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1333 sc->sc_wdcdev.irqack = pciide_irqack; 1334 switch(sc->sc_pp->ide_product) { 1335 case PCI_PRODUCT_INTEL_82371AB_IDE: 1336 case PCI_PRODUCT_INTEL_82801AA_IDE: 1337 case PCI_PRODUCT_INTEL_82801AB_IDE: 1338 case PCI_PRODUCT_INTEL_82801BA_IDE: 1339 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1340 } 1341 } 1342 sc->sc_wdcdev.PIO_cap = 4; 1343 sc->sc_wdcdev.DMA_cap = 2; 1344 switch(sc->sc_pp->ide_product) { 1345 case PCI_PRODUCT_INTEL_82801AA_IDE: 1346 case PCI_PRODUCT_INTEL_82801BA_IDE: 1347 sc->sc_wdcdev.UDMA_cap = 4; 1348 break; 1349 default: 1350 sc->sc_wdcdev.UDMA_cap = 2; 1351 } 1352 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1353 sc->sc_wdcdev.set_modes = piix_setup_channel; 1354 else 1355 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1356 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1357 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1358 1359 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1360 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1361 DEBUG_PROBE); 1362 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1363 WDCDEBUG_PRINT((", sidetim=0x%x", 1364 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1365 DEBUG_PROBE); 1366 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1367 WDCDEBUG_PRINT((", udamreg 0x%x", 1368 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1369 DEBUG_PROBE); 1370 } 1371 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1372 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE) { 1373 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1374 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1375 DEBUG_PROBE); 1376 } 1377 1378 } 1379 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1380 1381 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1382 cp = &sc->pciide_channels[channel]; 1383 /* PIIX is compat-only */ 1384 if (pciide_chansetup(sc, channel, 0) == 0) 1385 continue; 1386 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1387 if ((PIIX_IDETIM_READ(idetim, channel) & 1388 PIIX_IDETIM_IDE) == 0) { 1389 printf("%s: %s channel ignored (disabled)\n", 1390 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1391 continue; 1392 } 1393 /* PIIX are compat-only pciide devices */ 1394 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1395 if (cp->hw_ok == 0) 1396 continue; 1397 if (pciide_chan_candisable(cp)) { 1398 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1399 channel); 1400 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1401 idetim); 1402 } 1403 pciide_map_compat_intr(pa, cp, channel, 0); 1404 if (cp->hw_ok == 0) 1405 continue; 1406 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1407 } 1408 1409 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1410 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1411 DEBUG_PROBE); 1412 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1413 WDCDEBUG_PRINT((", sidetim=0x%x", 1414 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1415 DEBUG_PROBE); 1416 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1417 WDCDEBUG_PRINT((", udamreg 0x%x", 1418 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1419 DEBUG_PROBE); 1420 } 1421 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1422 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE) { 1423 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1424 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1425 DEBUG_PROBE); 1426 } 1427 } 1428 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1429 } 1430 1431 void 1432 piix_setup_channel(chp) 1433 struct channel_softc *chp; 1434 { 1435 u_int8_t mode[2], drive; 1436 u_int32_t oidetim, idetim, idedma_ctl; 1437 struct pciide_channel *cp = (struct pciide_channel*)chp; 1438 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1439 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1440 1441 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1442 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1443 idedma_ctl = 0; 1444 1445 /* set up new idetim: Enable IDE registers decode */ 1446 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1447 chp->channel); 1448 1449 /* setup DMA */ 1450 pciide_channel_dma_setup(cp); 1451 1452 /* 1453 * Here we have to mess up with drives mode: PIIX can't have 1454 * different timings for master and slave drives. 1455 * We need to find the best combination. 1456 */ 1457 1458 /* If both drives supports DMA, take the lower mode */ 1459 if ((drvp[0].drive_flags & DRIVE_DMA) && 1460 (drvp[1].drive_flags & DRIVE_DMA)) { 1461 mode[0] = mode[1] = 1462 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1463 drvp[0].DMA_mode = mode[0]; 1464 drvp[1].DMA_mode = mode[1]; 1465 goto ok; 1466 } 1467 /* 1468 * If only one drive supports DMA, use its mode, and 1469 * put the other one in PIO mode 0 if mode not compatible 1470 */ 1471 if (drvp[0].drive_flags & DRIVE_DMA) { 1472 mode[0] = drvp[0].DMA_mode; 1473 mode[1] = drvp[1].PIO_mode; 1474 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1475 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1476 mode[1] = drvp[1].PIO_mode = 0; 1477 goto ok; 1478 } 1479 if (drvp[1].drive_flags & DRIVE_DMA) { 1480 mode[1] = drvp[1].DMA_mode; 1481 mode[0] = drvp[0].PIO_mode; 1482 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1483 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1484 mode[0] = drvp[0].PIO_mode = 0; 1485 goto ok; 1486 } 1487 /* 1488 * If both drives are not DMA, takes the lower mode, unless 1489 * one of them is PIO mode < 2 1490 */ 1491 if (drvp[0].PIO_mode < 2) { 1492 mode[0] = drvp[0].PIO_mode = 0; 1493 mode[1] = drvp[1].PIO_mode; 1494 } else if (drvp[1].PIO_mode < 2) { 1495 mode[1] = drvp[1].PIO_mode = 0; 1496 mode[0] = drvp[0].PIO_mode; 1497 } else { 1498 mode[0] = mode[1] = 1499 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1500 drvp[0].PIO_mode = mode[0]; 1501 drvp[1].PIO_mode = mode[1]; 1502 } 1503 ok: /* The modes are setup */ 1504 for (drive = 0; drive < 2; drive++) { 1505 if (drvp[drive].drive_flags & DRIVE_DMA) { 1506 idetim |= piix_setup_idetim_timings( 1507 mode[drive], 1, chp->channel); 1508 goto end; 1509 } 1510 } 1511 /* If we are there, none of the drives are DMA */ 1512 if (mode[0] >= 2) 1513 idetim |= piix_setup_idetim_timings( 1514 mode[0], 0, chp->channel); 1515 else 1516 idetim |= piix_setup_idetim_timings( 1517 mode[1], 0, chp->channel); 1518 end: /* 1519 * timing mode is now set up in the controller. Enable 1520 * it per-drive 1521 */ 1522 for (drive = 0; drive < 2; drive++) { 1523 /* If no drive, skip */ 1524 if ((drvp[drive].drive_flags & DRIVE) == 0) 1525 continue; 1526 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1527 if (drvp[drive].drive_flags & DRIVE_DMA) 1528 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1529 } 1530 if (idedma_ctl != 0) { 1531 /* Add software bits in status register */ 1532 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1533 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1534 idedma_ctl); 1535 } 1536 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1537 pciide_print_modes(cp); 1538 } 1539 1540 void 1541 piix3_4_setup_channel(chp) 1542 struct channel_softc *chp; 1543 { 1544 struct ata_drive_datas *drvp; 1545 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1546 struct pciide_channel *cp = (struct pciide_channel*)chp; 1547 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1548 int drive; 1549 int channel = chp->channel; 1550 1551 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1552 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1553 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1554 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1555 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1556 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1557 PIIX_SIDETIM_RTC_MASK(channel)); 1558 1559 idedma_ctl = 0; 1560 /* If channel disabled, no need to go further */ 1561 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1562 return; 1563 /* set up new idetim: Enable IDE registers decode */ 1564 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1565 1566 /* setup DMA if needed */ 1567 pciide_channel_dma_setup(cp); 1568 1569 for (drive = 0; drive < 2; drive++) { 1570 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1571 PIIX_UDMATIM_SET(0x3, channel, drive)); 1572 drvp = &chp->ch_drive[drive]; 1573 /* If no drive, skip */ 1574 if ((drvp->drive_flags & DRIVE) == 0) 1575 continue; 1576 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1577 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1578 goto pio; 1579 1580 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1581 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE) { 1582 ideconf |= PIIX_CONFIG_PINGPONG; 1583 } 1584 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1585 /* setup Ultra/66 */ 1586 if (drvp->UDMA_mode > 2 && 1587 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1588 drvp->UDMA_mode = 2; 1589 if (drvp->UDMA_mode > 2) 1590 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1591 else 1592 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1593 } 1594 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1595 (drvp->drive_flags & DRIVE_UDMA)) { 1596 /* use Ultra/DMA */ 1597 drvp->drive_flags &= ~DRIVE_DMA; 1598 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1599 udmareg |= PIIX_UDMATIM_SET( 1600 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1601 } else { 1602 /* use Multiword DMA */ 1603 drvp->drive_flags &= ~DRIVE_UDMA; 1604 if (drive == 0) { 1605 idetim |= piix_setup_idetim_timings( 1606 drvp->DMA_mode, 1, channel); 1607 } else { 1608 sidetim |= piix_setup_sidetim_timings( 1609 drvp->DMA_mode, 1, channel); 1610 idetim =PIIX_IDETIM_SET(idetim, 1611 PIIX_IDETIM_SITRE, channel); 1612 } 1613 } 1614 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1615 1616 pio: /* use PIO mode */ 1617 idetim |= piix_setup_idetim_drvs(drvp); 1618 if (drive == 0) { 1619 idetim |= piix_setup_idetim_timings( 1620 drvp->PIO_mode, 0, channel); 1621 } else { 1622 sidetim |= piix_setup_sidetim_timings( 1623 drvp->PIO_mode, 0, channel); 1624 idetim =PIIX_IDETIM_SET(idetim, 1625 PIIX_IDETIM_SITRE, channel); 1626 } 1627 } 1628 if (idedma_ctl != 0) { 1629 /* Add software bits in status register */ 1630 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1631 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1632 idedma_ctl); 1633 } 1634 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1635 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1636 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1637 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1638 pciide_print_modes(cp); 1639 } 1640 1641 1642 /* setup ISP and RTC fields, based on mode */ 1643 static u_int32_t 1644 piix_setup_idetim_timings(mode, dma, channel) 1645 u_int8_t mode; 1646 u_int8_t dma; 1647 u_int8_t channel; 1648 { 1649 1650 if (dma) 1651 return PIIX_IDETIM_SET(0, 1652 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1653 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1654 channel); 1655 else 1656 return PIIX_IDETIM_SET(0, 1657 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1658 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1659 channel); 1660 } 1661 1662 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1663 static u_int32_t 1664 piix_setup_idetim_drvs(drvp) 1665 struct ata_drive_datas *drvp; 1666 { 1667 u_int32_t ret = 0; 1668 struct channel_softc *chp = drvp->chnl_softc; 1669 u_int8_t channel = chp->channel; 1670 u_int8_t drive = drvp->drive; 1671 1672 /* 1673 * If drive is using UDMA, timings setups are independant 1674 * So just check DMA and PIO here. 1675 */ 1676 if (drvp->drive_flags & DRIVE_DMA) { 1677 /* if mode = DMA mode 0, use compatible timings */ 1678 if ((drvp->drive_flags & DRIVE_DMA) && 1679 drvp->DMA_mode == 0) { 1680 drvp->PIO_mode = 0; 1681 return ret; 1682 } 1683 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1684 /* 1685 * PIO and DMA timings are the same, use fast timings for PIO 1686 * too, else use compat timings. 1687 */ 1688 if ((piix_isp_pio[drvp->PIO_mode] != 1689 piix_isp_dma[drvp->DMA_mode]) || 1690 (piix_rtc_pio[drvp->PIO_mode] != 1691 piix_rtc_dma[drvp->DMA_mode])) 1692 drvp->PIO_mode = 0; 1693 /* if PIO mode <= 2, use compat timings for PIO */ 1694 if (drvp->PIO_mode <= 2) { 1695 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1696 channel); 1697 return ret; 1698 } 1699 } 1700 1701 /* 1702 * Now setup PIO modes. If mode < 2, use compat timings. 1703 * Else enable fast timings. Enable IORDY and prefetch/post 1704 * if PIO mode >= 3. 1705 */ 1706 1707 if (drvp->PIO_mode < 2) 1708 return ret; 1709 1710 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1711 if (drvp->PIO_mode >= 3) { 1712 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1713 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1714 } 1715 return ret; 1716 } 1717 1718 /* setup values in SIDETIM registers, based on mode */ 1719 static u_int32_t 1720 piix_setup_sidetim_timings(mode, dma, channel) 1721 u_int8_t mode; 1722 u_int8_t dma; 1723 u_int8_t channel; 1724 { 1725 if (dma) 1726 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1727 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1728 else 1729 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1730 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1731 } 1732 1733 void 1734 amd756_chip_map(sc, pa) 1735 struct pciide_softc *sc; 1736 struct pci_attach_args *pa; 1737 { 1738 struct pciide_channel *cp; 1739 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1740 int channel; 1741 pcireg_t chanenable; 1742 bus_size_t cmdsize, ctlsize; 1743 1744 if (pciide_chipen(sc, pa) == 0) 1745 return; 1746 printf("%s: bus-master DMA support present", 1747 sc->sc_wdcdev.sc_dev.dv_xname); 1748 pciide_mapreg_dma(sc, pa); 1749 printf("\n"); 1750 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1751 WDC_CAPABILITY_MODE; 1752 if (sc->sc_dma_ok) { 1753 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1754 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1755 sc->sc_wdcdev.irqack = pciide_irqack; 1756 } 1757 sc->sc_wdcdev.PIO_cap = 4; 1758 sc->sc_wdcdev.DMA_cap = 2; 1759 sc->sc_wdcdev.UDMA_cap = 4; 1760 sc->sc_wdcdev.set_modes = amd756_setup_channel; 1761 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1762 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1763 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); 1764 1765 WDCDEBUG_PRINT(("amd756_chip_map: Channel enable=0x%x\n", chanenable), 1766 DEBUG_PROBE); 1767 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1768 cp = &sc->pciide_channels[channel]; 1769 if (pciide_chansetup(sc, channel, interface) == 0) 1770 continue; 1771 1772 if ((chanenable & AMD756_CHAN_EN(channel)) == 0) { 1773 printf("%s: %s channel ignored (disabled)\n", 1774 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1775 continue; 1776 } 1777 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1778 pciide_pci_intr); 1779 1780 if (pciide_chan_candisable(cp)) 1781 chanenable &= ~AMD756_CHAN_EN(channel); 1782 pciide_map_compat_intr(pa, cp, channel, interface); 1783 if (cp->hw_ok == 0) 1784 continue; 1785 1786 amd756_setup_channel(&cp->wdc_channel); 1787 } 1788 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN, 1789 chanenable); 1790 return; 1791 } 1792 1793 void 1794 amd756_setup_channel(chp) 1795 struct channel_softc *chp; 1796 { 1797 u_int32_t udmatim_reg, datatim_reg; 1798 u_int8_t idedma_ctl; 1799 int mode, drive; 1800 struct ata_drive_datas *drvp; 1801 struct pciide_channel *cp = (struct pciide_channel*)chp; 1802 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1803 #ifndef PCIIDE_AMD756_ENABLEDMA 1804 int rev = PCI_REVISION( 1805 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 1806 #endif 1807 1808 idedma_ctl = 0; 1809 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM); 1810 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA); 1811 datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel); 1812 udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel); 1813 1814 /* setup DMA if needed */ 1815 pciide_channel_dma_setup(cp); 1816 1817 for (drive = 0; drive < 2; drive++) { 1818 drvp = &chp->ch_drive[drive]; 1819 /* If no drive, skip */ 1820 if ((drvp->drive_flags & DRIVE) == 0) 1821 continue; 1822 /* add timing values, setup DMA if needed */ 1823 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1824 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1825 mode = drvp->PIO_mode; 1826 goto pio; 1827 } 1828 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1829 (drvp->drive_flags & DRIVE_UDMA)) { 1830 /* use Ultra/DMA */ 1831 drvp->drive_flags &= ~DRIVE_DMA; 1832 udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) | 1833 AMD756_UDMA_EN_MTH(chp->channel, drive) | 1834 AMD756_UDMA_TIME(chp->channel, drive, 1835 amd756_udma_tim[drvp->UDMA_mode]); 1836 /* can use PIO timings, MW DMA unused */ 1837 mode = drvp->PIO_mode; 1838 } else { 1839 /* use Multiword DMA, but only if revision is OK */ 1840 drvp->drive_flags &= ~DRIVE_UDMA; 1841 #ifndef PCIIDE_AMD756_ENABLEDMA 1842 /* 1843 * The workaround doesn't seem to be necessary 1844 * with all drives, so it can be disabled by 1845 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 1846 * triggered. 1847 */ 1848 if (AMD756_CHIPREV_DISABLEDMA(rev)) { 1849 printf("%s:%d:%d: multi-word DMA disabled due " 1850 "to chip revision\n", 1851 sc->sc_wdcdev.sc_dev.dv_xname, 1852 chp->channel, drive); 1853 mode = drvp->PIO_mode; 1854 drvp->drive_flags &= ~DRIVE_DMA; 1855 goto pio; 1856 } 1857 #endif 1858 /* mode = min(pio, dma+2) */ 1859 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1860 mode = drvp->PIO_mode; 1861 else 1862 mode = drvp->DMA_mode + 2; 1863 } 1864 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1865 1866 pio: /* setup PIO mode */ 1867 if (mode <= 2) { 1868 drvp->DMA_mode = 0; 1869 drvp->PIO_mode = 0; 1870 mode = 0; 1871 } else { 1872 drvp->PIO_mode = mode; 1873 drvp->DMA_mode = mode - 2; 1874 } 1875 datatim_reg |= 1876 AMD756_DATATIM_PULSE(chp->channel, drive, 1877 amd756_pio_set[mode]) | 1878 AMD756_DATATIM_RECOV(chp->channel, drive, 1879 amd756_pio_rec[mode]); 1880 } 1881 if (idedma_ctl != 0) { 1882 /* Add software bits in status register */ 1883 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1884 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1885 idedma_ctl); 1886 } 1887 pciide_print_modes(cp); 1888 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg); 1889 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg); 1890 } 1891 1892 void 1893 apollo_chip_map(sc, pa) 1894 struct pciide_softc *sc; 1895 struct pci_attach_args *pa; 1896 { 1897 struct pciide_channel *cp; 1898 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1899 int rev = PCI_REVISION(pa->pa_class); 1900 int channel; 1901 u_int32_t ideconf; 1902 bus_size_t cmdsize, ctlsize; 1903 1904 if (pciide_chipen(sc, pa) == 0) 1905 return; 1906 printf("%s: bus-master DMA support present", 1907 sc->sc_wdcdev.sc_dev.dv_xname); 1908 pciide_mapreg_dma(sc, pa); 1909 printf("\n"); 1910 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1911 WDC_CAPABILITY_MODE; 1912 if (sc->sc_dma_ok) { 1913 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1914 sc->sc_wdcdev.irqack = pciide_irqack; 1915 if (sc->sc_pp->ide_product == PCI_PRODUCT_VIATECH_VT82C586A_IDE 1916 && rev >= 6) 1917 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1918 } 1919 sc->sc_wdcdev.PIO_cap = 4; 1920 sc->sc_wdcdev.DMA_cap = 2; 1921 sc->sc_wdcdev.UDMA_cap = 2; 1922 sc->sc_wdcdev.set_modes = apollo_setup_channel; 1923 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1924 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1925 1926 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 1927 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1928 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 1929 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 1930 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1931 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), 1932 DEBUG_PROBE); 1933 1934 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1935 cp = &sc->pciide_channels[channel]; 1936 if (pciide_chansetup(sc, channel, interface) == 0) 1937 continue; 1938 1939 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 1940 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 1941 printf("%s: %s channel ignored (disabled)\n", 1942 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1943 continue; 1944 } 1945 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1946 pciide_pci_intr); 1947 if (cp->hw_ok == 0) 1948 continue; 1949 if (pciide_chan_candisable(cp)) { 1950 ideconf &= ~APO_IDECONF_EN(channel); 1951 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 1952 ideconf); 1953 } 1954 pciide_map_compat_intr(pa, cp, channel, interface); 1955 1956 if (cp->hw_ok == 0) 1957 continue; 1958 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 1959 } 1960 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1961 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1962 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 1963 } 1964 1965 void 1966 apollo_setup_channel(chp) 1967 struct channel_softc *chp; 1968 { 1969 u_int32_t udmatim_reg, datatim_reg; 1970 u_int8_t idedma_ctl; 1971 int mode, drive; 1972 struct ata_drive_datas *drvp; 1973 struct pciide_channel *cp = (struct pciide_channel*)chp; 1974 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1975 1976 idedma_ctl = 0; 1977 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 1978 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1979 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 1980 udmatim_reg &= ~AP0_UDMA_MASK(chp->channel); 1981 1982 /* setup DMA if needed */ 1983 pciide_channel_dma_setup(cp); 1984 1985 for (drive = 0; drive < 2; drive++) { 1986 drvp = &chp->ch_drive[drive]; 1987 /* If no drive, skip */ 1988 if ((drvp->drive_flags & DRIVE) == 0) 1989 continue; 1990 /* add timing values, setup DMA if needed */ 1991 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1992 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1993 mode = drvp->PIO_mode; 1994 goto pio; 1995 } 1996 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1997 (drvp->drive_flags & DRIVE_UDMA)) { 1998 /* use Ultra/DMA */ 1999 drvp->drive_flags &= ~DRIVE_DMA; 2000 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2001 APO_UDMA_EN_MTH(chp->channel, drive) | 2002 APO_UDMA_TIME(chp->channel, drive, 2003 apollo_udma_tim[drvp->UDMA_mode]); 2004 /* can use PIO timings, MW DMA unused */ 2005 mode = drvp->PIO_mode; 2006 } else { 2007 /* use Multiword DMA */ 2008 drvp->drive_flags &= ~DRIVE_UDMA; 2009 /* mode = min(pio, dma+2) */ 2010 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2011 mode = drvp->PIO_mode; 2012 else 2013 mode = drvp->DMA_mode + 2; 2014 } 2015 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2016 2017 pio: /* setup PIO mode */ 2018 if (mode <= 2) { 2019 drvp->DMA_mode = 0; 2020 drvp->PIO_mode = 0; 2021 mode = 0; 2022 } else { 2023 drvp->PIO_mode = mode; 2024 drvp->DMA_mode = mode - 2; 2025 } 2026 datatim_reg |= 2027 APO_DATATIM_PULSE(chp->channel, drive, 2028 apollo_pio_set[mode]) | 2029 APO_DATATIM_RECOV(chp->channel, drive, 2030 apollo_pio_rec[mode]); 2031 } 2032 if (idedma_ctl != 0) { 2033 /* Add software bits in status register */ 2034 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2035 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2036 idedma_ctl); 2037 } 2038 pciide_print_modes(cp); 2039 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2040 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2041 } 2042 2043 void 2044 cmd_channel_map(pa, sc, channel) 2045 struct pci_attach_args *pa; 2046 struct pciide_softc *sc; 2047 int channel; 2048 { 2049 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2050 bus_size_t cmdsize, ctlsize; 2051 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2052 int interface; 2053 2054 /* 2055 * The 0648/0649 can be told to identify as a RAID controller. 2056 * In this case, we have to fake interface 2057 */ 2058 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2059 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2060 PCIIDE_INTERFACE_SETTABLE(1); 2061 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2062 CMD_CONF_DSA1) 2063 interface |= PCIIDE_INTERFACE_PCI(0) | 2064 PCIIDE_INTERFACE_PCI(1); 2065 } else { 2066 interface = PCI_INTERFACE(pa->pa_class); 2067 } 2068 2069 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2070 cp->name = PCIIDE_CHANNEL_NAME(channel); 2071 cp->wdc_channel.channel = channel; 2072 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2073 2074 if (channel > 0) { 2075 cp->wdc_channel.ch_queue = 2076 sc->pciide_channels[0].wdc_channel.ch_queue; 2077 } else { 2078 cp->wdc_channel.ch_queue = 2079 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2080 } 2081 if (cp->wdc_channel.ch_queue == NULL) { 2082 printf("%s %s channel: " 2083 "can't allocate memory for command queue", 2084 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2085 return; 2086 } 2087 2088 printf("%s: %s channel %s to %s mode\n", 2089 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2090 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2091 "configured" : "wired", 2092 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2093 "native-PCI" : "compatibility"); 2094 2095 /* 2096 * with a CMD PCI64x, if we get here, the first channel is enabled: 2097 * there's no way to disable the first channel without disabling 2098 * the whole device 2099 */ 2100 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2101 printf("%s: %s channel ignored (disabled)\n", 2102 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2103 return; 2104 } 2105 2106 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2107 if (cp->hw_ok == 0) 2108 return; 2109 if (channel == 1) { 2110 if (pciide_chan_candisable(cp)) { 2111 ctrl &= ~CMD_CTRL_2PORT; 2112 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2113 CMD_CTRL, ctrl); 2114 } 2115 } 2116 pciide_map_compat_intr(pa, cp, channel, interface); 2117 } 2118 2119 int 2120 cmd_pci_intr(arg) 2121 void *arg; 2122 { 2123 struct pciide_softc *sc = arg; 2124 struct pciide_channel *cp; 2125 struct channel_softc *wdc_cp; 2126 int i, rv, crv; 2127 u_int32_t priirq, secirq; 2128 2129 rv = 0; 2130 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2131 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2132 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2133 cp = &sc->pciide_channels[i]; 2134 wdc_cp = &cp->wdc_channel; 2135 /* If a compat channel skip. */ 2136 if (cp->compat) 2137 continue; 2138 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2139 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2140 crv = wdcintr(wdc_cp); 2141 if (crv == 0) 2142 printf("%s:%d: bogus intr\n", 2143 sc->sc_wdcdev.sc_dev.dv_xname, i); 2144 else 2145 rv = 1; 2146 } 2147 } 2148 return rv; 2149 } 2150 2151 void 2152 cmd_chip_map(sc, pa) 2153 struct pciide_softc *sc; 2154 struct pci_attach_args *pa; 2155 { 2156 int channel; 2157 2158 /* 2159 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2160 * and base adresses registers can be disabled at 2161 * hardware level. In this case, the device is wired 2162 * in compat mode and its first channel is always enabled, 2163 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2164 * In fact, it seems that the first channel of the CMD PCI0640 2165 * can't be disabled. 2166 */ 2167 2168 #ifdef PCIIDE_CMD064x_DISABLE 2169 if (pciide_chipen(sc, pa) == 0) 2170 return; 2171 #endif 2172 2173 printf("%s: hardware does not support DMA\n", 2174 sc->sc_wdcdev.sc_dev.dv_xname); 2175 sc->sc_dma_ok = 0; 2176 2177 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2178 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2179 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2180 2181 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2182 cmd_channel_map(pa, sc, channel); 2183 } 2184 } 2185 2186 void 2187 cmd0643_9_chip_map(sc, pa) 2188 struct pciide_softc *sc; 2189 struct pci_attach_args *pa; 2190 { 2191 struct pciide_channel *cp; 2192 int channel; 2193 int rev = PCI_REVISION( 2194 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2195 2196 /* 2197 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2198 * and base adresses registers can be disabled at 2199 * hardware level. In this case, the device is wired 2200 * in compat mode and its first channel is always enabled, 2201 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2202 * In fact, it seems that the first channel of the CMD PCI0640 2203 * can't be disabled. 2204 */ 2205 2206 #ifdef PCIIDE_CMD064x_DISABLE 2207 if (pciide_chipen(sc, pa) == 0) 2208 return; 2209 #endif 2210 printf("%s: bus-master DMA support present", 2211 sc->sc_wdcdev.sc_dev.dv_xname); 2212 pciide_mapreg_dma(sc, pa); 2213 printf("\n"); 2214 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2215 WDC_CAPABILITY_MODE; 2216 if (sc->sc_dma_ok) { 2217 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2218 switch (sc->sc_pp->ide_product) { 2219 case PCI_PRODUCT_CMDTECH_649: 2220 case PCI_PRODUCT_CMDTECH_648: 2221 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2222 sc->sc_wdcdev.UDMA_cap = 4; 2223 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2224 break; 2225 case PCI_PRODUCT_CMDTECH_646: 2226 if (rev >= CMD0646U2_REV) { 2227 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2228 sc->sc_wdcdev.UDMA_cap = 2; 2229 } else if (rev >= CMD0646U_REV) { 2230 /* 2231 * Linux's driver claims that the 646U is broken 2232 * with UDMA. Only enable it if we know what we're 2233 * doing 2234 */ 2235 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2236 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2237 sc->sc_wdcdev.UDMA_cap = 2; 2238 #endif 2239 /* explicitely disable UDMA */ 2240 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2241 CMD_UDMATIM(0), 0); 2242 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2243 CMD_UDMATIM(1), 0); 2244 } 2245 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2246 break; 2247 default: 2248 sc->sc_wdcdev.irqack = pciide_irqack; 2249 } 2250 } 2251 2252 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2253 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2254 sc->sc_wdcdev.PIO_cap = 4; 2255 sc->sc_wdcdev.DMA_cap = 2; 2256 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2257 2258 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2259 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2260 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2261 DEBUG_PROBE); 2262 2263 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2264 cp = &sc->pciide_channels[channel]; 2265 cmd_channel_map(pa, sc, channel); 2266 if (cp->hw_ok == 0) 2267 continue; 2268 cmd0643_9_setup_channel(&cp->wdc_channel); 2269 } 2270 /* 2271 * note - this also makes sure we clear the irq disable and reset 2272 * bits 2273 */ 2274 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2275 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2276 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2277 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2278 DEBUG_PROBE); 2279 } 2280 2281 void 2282 cmd0643_9_setup_channel(chp) 2283 struct channel_softc *chp; 2284 { 2285 struct ata_drive_datas *drvp; 2286 u_int8_t tim; 2287 u_int32_t idedma_ctl, udma_reg; 2288 int drive; 2289 struct pciide_channel *cp = (struct pciide_channel*)chp; 2290 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2291 2292 idedma_ctl = 0; 2293 /* setup DMA if needed */ 2294 pciide_channel_dma_setup(cp); 2295 2296 for (drive = 0; drive < 2; drive++) { 2297 drvp = &chp->ch_drive[drive]; 2298 /* If no drive, skip */ 2299 if ((drvp->drive_flags & DRIVE) == 0) 2300 continue; 2301 /* add timing values, setup DMA if needed */ 2302 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2303 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2304 if (drvp->drive_flags & DRIVE_UDMA) { 2305 /* UltraDMA on a 646U2, 0648 or 0649 */ 2306 drvp->drive_flags &= ~DRIVE_DMA; 2307 udma_reg = pciide_pci_read(sc->sc_pc, 2308 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2309 if (drvp->UDMA_mode > 2 && 2310 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2311 CMD_BICSR) & 2312 CMD_BICSR_80(chp->channel)) == 0) 2313 drvp->UDMA_mode = 2; 2314 if (drvp->UDMA_mode > 2) 2315 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2316 else if (sc->sc_wdcdev.UDMA_cap > 2) 2317 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2318 udma_reg |= CMD_UDMATIM_UDMA(drive); 2319 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2320 CMD_UDMATIM_TIM_OFF(drive)); 2321 udma_reg |= 2322 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2323 CMD_UDMATIM_TIM_OFF(drive)); 2324 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2325 CMD_UDMATIM(chp->channel), udma_reg); 2326 } else { 2327 /* 2328 * use Multiword DMA. 2329 * Timings will be used for both PIO and DMA, 2330 * so adjust DMA mode if needed 2331 * if we have a 0646U2/8/9, turn off UDMA 2332 */ 2333 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2334 udma_reg = pciide_pci_read(sc->sc_pc, 2335 sc->sc_tag, 2336 CMD_UDMATIM(chp->channel)); 2337 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2338 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2339 CMD_UDMATIM(chp->channel), 2340 udma_reg); 2341 } 2342 if (drvp->PIO_mode >= 3 && 2343 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2344 drvp->DMA_mode = drvp->PIO_mode - 2; 2345 } 2346 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2347 } 2348 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2349 } 2350 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2351 CMD_DATA_TIM(chp->channel, drive), tim); 2352 } 2353 if (idedma_ctl != 0) { 2354 /* Add software bits in status register */ 2355 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2356 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2357 idedma_ctl); 2358 } 2359 pciide_print_modes(cp); 2360 } 2361 2362 void 2363 cmd646_9_irqack(chp) 2364 struct channel_softc *chp; 2365 { 2366 u_int32_t priirq, secirq; 2367 struct pciide_channel *cp = (struct pciide_channel*)chp; 2368 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2369 2370 if (chp->channel == 0) { 2371 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2372 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2373 } else { 2374 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2375 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2376 } 2377 pciide_irqack(chp); 2378 } 2379 2380 void 2381 cy693_chip_map(sc, pa) 2382 struct pciide_softc *sc; 2383 struct pci_attach_args *pa; 2384 { 2385 struct pciide_channel *cp; 2386 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2387 bus_size_t cmdsize, ctlsize; 2388 2389 if (pciide_chipen(sc, pa) == 0) 2390 return; 2391 /* 2392 * this chip has 2 PCI IDE functions, one for primary and one for 2393 * secondary. So we need to call pciide_mapregs_compat() with 2394 * the real channel 2395 */ 2396 if (pa->pa_function == 1) { 2397 sc->sc_cy_compatchan = 0; 2398 } else if (pa->pa_function == 2) { 2399 sc->sc_cy_compatchan = 1; 2400 } else { 2401 printf("%s: unexpected PCI function %d\n", 2402 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2403 return; 2404 } 2405 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2406 printf("%s: bus-master DMA support present", 2407 sc->sc_wdcdev.sc_dev.dv_xname); 2408 pciide_mapreg_dma(sc, pa); 2409 } else { 2410 printf("%s: hardware does not support DMA", 2411 sc->sc_wdcdev.sc_dev.dv_xname); 2412 sc->sc_dma_ok = 0; 2413 } 2414 printf("\n"); 2415 2416 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2417 if (sc->sc_cy_handle == NULL) { 2418 printf("%s: unable to map hyperCache control registers\n", 2419 sc->sc_wdcdev.sc_dev.dv_xname); 2420 sc->sc_dma_ok = 0; 2421 } 2422 2423 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2424 WDC_CAPABILITY_MODE; 2425 if (sc->sc_dma_ok) { 2426 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2427 sc->sc_wdcdev.irqack = pciide_irqack; 2428 } 2429 sc->sc_wdcdev.PIO_cap = 4; 2430 sc->sc_wdcdev.DMA_cap = 2; 2431 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2432 2433 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2434 sc->sc_wdcdev.nchannels = 1; 2435 2436 /* Only one channel for this chip; if we are here it's enabled */ 2437 cp = &sc->pciide_channels[0]; 2438 sc->wdc_chanarray[0] = &cp->wdc_channel; 2439 cp->name = PCIIDE_CHANNEL_NAME(0); 2440 cp->wdc_channel.channel = 0; 2441 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2442 cp->wdc_channel.ch_queue = 2443 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2444 if (cp->wdc_channel.ch_queue == NULL) { 2445 printf("%s primary channel: " 2446 "can't allocate memory for command queue", 2447 sc->sc_wdcdev.sc_dev.dv_xname); 2448 return; 2449 } 2450 printf("%s: primary channel %s to ", 2451 sc->sc_wdcdev.sc_dev.dv_xname, 2452 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2453 "configured" : "wired"); 2454 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2455 printf("native-PCI"); 2456 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2457 pciide_pci_intr); 2458 } else { 2459 printf("compatibility"); 2460 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2461 &cmdsize, &ctlsize); 2462 } 2463 printf(" mode\n"); 2464 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2465 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2466 wdcattach(&cp->wdc_channel); 2467 if (pciide_chan_candisable(cp)) { 2468 pci_conf_write(sc->sc_pc, sc->sc_tag, 2469 PCI_COMMAND_STATUS_REG, 0); 2470 } 2471 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2472 if (cp->hw_ok == 0) 2473 return; 2474 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2475 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2476 cy693_setup_channel(&cp->wdc_channel); 2477 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2478 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2479 } 2480 2481 void 2482 cy693_setup_channel(chp) 2483 struct channel_softc *chp; 2484 { 2485 struct ata_drive_datas *drvp; 2486 int drive; 2487 u_int32_t cy_cmd_ctrl; 2488 u_int32_t idedma_ctl; 2489 struct pciide_channel *cp = (struct pciide_channel*)chp; 2490 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2491 int dma_mode = -1; 2492 2493 cy_cmd_ctrl = idedma_ctl = 0; 2494 2495 /* setup DMA if needed */ 2496 pciide_channel_dma_setup(cp); 2497 2498 for (drive = 0; drive < 2; drive++) { 2499 drvp = &chp->ch_drive[drive]; 2500 /* If no drive, skip */ 2501 if ((drvp->drive_flags & DRIVE) == 0) 2502 continue; 2503 /* add timing values, setup DMA if needed */ 2504 if (drvp->drive_flags & DRIVE_DMA) { 2505 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2506 /* use Multiword DMA */ 2507 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2508 dma_mode = drvp->DMA_mode; 2509 } 2510 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2511 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2512 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2513 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2514 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2515 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2516 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2517 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2518 } 2519 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2520 chp->ch_drive[0].DMA_mode = dma_mode; 2521 chp->ch_drive[1].DMA_mode = dma_mode; 2522 2523 if (dma_mode == -1) 2524 dma_mode = 0; 2525 2526 if (sc->sc_cy_handle != NULL) { 2527 /* Note: `multiple' is implied. */ 2528 cy82c693_write(sc->sc_cy_handle, 2529 (sc->sc_cy_compatchan == 0) ? 2530 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2531 } 2532 2533 pciide_print_modes(cp); 2534 2535 if (idedma_ctl != 0) { 2536 /* Add software bits in status register */ 2537 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2538 IDEDMA_CTL, idedma_ctl); 2539 } 2540 } 2541 2542 void 2543 sis_chip_map(sc, pa) 2544 struct pciide_softc *sc; 2545 struct pci_attach_args *pa; 2546 { 2547 struct pciide_channel *cp; 2548 int channel; 2549 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2550 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2551 pcireg_t rev = PCI_REVISION(pa->pa_class); 2552 bus_size_t cmdsize, ctlsize; 2553 2554 if (pciide_chipen(sc, pa) == 0) 2555 return; 2556 printf("%s: bus-master DMA support present", 2557 sc->sc_wdcdev.sc_dev.dv_xname); 2558 pciide_mapreg_dma(sc, pa); 2559 printf("\n"); 2560 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2561 WDC_CAPABILITY_MODE; 2562 if (sc->sc_dma_ok) { 2563 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2564 sc->sc_wdcdev.irqack = pciide_irqack; 2565 if (rev >= 0xd0) 2566 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2567 } 2568 2569 sc->sc_wdcdev.PIO_cap = 4; 2570 sc->sc_wdcdev.DMA_cap = 2; 2571 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2572 sc->sc_wdcdev.UDMA_cap = 2; 2573 sc->sc_wdcdev.set_modes = sis_setup_channel; 2574 2575 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2576 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2577 2578 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2579 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2580 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2581 2582 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2583 cp = &sc->pciide_channels[channel]; 2584 if (pciide_chansetup(sc, channel, interface) == 0) 2585 continue; 2586 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2587 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2588 printf("%s: %s channel ignored (disabled)\n", 2589 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2590 continue; 2591 } 2592 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2593 pciide_pci_intr); 2594 if (cp->hw_ok == 0) 2595 continue; 2596 if (pciide_chan_candisable(cp)) { 2597 if (channel == 0) 2598 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2599 else 2600 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2601 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2602 sis_ctr0); 2603 } 2604 pciide_map_compat_intr(pa, cp, channel, interface); 2605 if (cp->hw_ok == 0) 2606 continue; 2607 sis_setup_channel(&cp->wdc_channel); 2608 } 2609 } 2610 2611 void 2612 sis_setup_channel(chp) 2613 struct channel_softc *chp; 2614 { 2615 struct ata_drive_datas *drvp; 2616 int drive; 2617 u_int32_t sis_tim; 2618 u_int32_t idedma_ctl; 2619 struct pciide_channel *cp = (struct pciide_channel*)chp; 2620 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2621 2622 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2623 "channel %d 0x%x\n", chp->channel, 2624 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2625 DEBUG_PROBE); 2626 sis_tim = 0; 2627 idedma_ctl = 0; 2628 /* setup DMA if needed */ 2629 pciide_channel_dma_setup(cp); 2630 2631 for (drive = 0; drive < 2; drive++) { 2632 drvp = &chp->ch_drive[drive]; 2633 /* If no drive, skip */ 2634 if ((drvp->drive_flags & DRIVE) == 0) 2635 continue; 2636 /* add timing values, setup DMA if needed */ 2637 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2638 (drvp->drive_flags & DRIVE_UDMA) == 0) 2639 goto pio; 2640 2641 if (drvp->drive_flags & DRIVE_UDMA) { 2642 /* use Ultra/DMA */ 2643 drvp->drive_flags &= ~DRIVE_DMA; 2644 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2645 SIS_TIM_UDMA_TIME_OFF(drive); 2646 sis_tim |= SIS_TIM_UDMA_EN(drive); 2647 } else { 2648 /* 2649 * use Multiword DMA 2650 * Timings will be used for both PIO and DMA, 2651 * so adjust DMA mode if needed 2652 */ 2653 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2654 drvp->PIO_mode = drvp->DMA_mode + 2; 2655 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2656 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2657 drvp->PIO_mode - 2 : 0; 2658 if (drvp->DMA_mode == 0) 2659 drvp->PIO_mode = 0; 2660 } 2661 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2662 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2663 SIS_TIM_ACT_OFF(drive); 2664 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2665 SIS_TIM_REC_OFF(drive); 2666 } 2667 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2668 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2669 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2670 if (idedma_ctl != 0) { 2671 /* Add software bits in status register */ 2672 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2673 IDEDMA_CTL, idedma_ctl); 2674 } 2675 pciide_print_modes(cp); 2676 } 2677 2678 void 2679 acer_chip_map(sc, pa) 2680 struct pciide_softc *sc; 2681 struct pci_attach_args *pa; 2682 { 2683 struct pciide_channel *cp; 2684 int channel; 2685 pcireg_t cr, interface; 2686 bus_size_t cmdsize, ctlsize; 2687 2688 if (pciide_chipen(sc, pa) == 0) 2689 return; 2690 printf("%s: bus-master DMA support present", 2691 sc->sc_wdcdev.sc_dev.dv_xname); 2692 pciide_mapreg_dma(sc, pa); 2693 printf("\n"); 2694 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2695 WDC_CAPABILITY_MODE; 2696 if (sc->sc_dma_ok) { 2697 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2698 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2699 sc->sc_wdcdev.irqack = pciide_irqack; 2700 } 2701 2702 sc->sc_wdcdev.PIO_cap = 4; 2703 sc->sc_wdcdev.DMA_cap = 2; 2704 sc->sc_wdcdev.UDMA_cap = 2; 2705 sc->sc_wdcdev.set_modes = acer_setup_channel; 2706 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2707 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2708 2709 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2710 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2711 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2712 2713 /* Enable "microsoft register bits" R/W. */ 2714 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2715 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2716 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2717 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2718 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2719 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2720 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2721 ~ACER_CHANSTATUSREGS_RO); 2722 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2723 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2724 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2725 /* Don't use cr, re-read the real register content instead */ 2726 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2727 PCI_CLASS_REG)); 2728 2729 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2730 cp = &sc->pciide_channels[channel]; 2731 if (pciide_chansetup(sc, channel, interface) == 0) 2732 continue; 2733 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2734 printf("%s: %s channel ignored (disabled)\n", 2735 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2736 continue; 2737 } 2738 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2739 acer_pci_intr); 2740 if (cp->hw_ok == 0) 2741 continue; 2742 if (pciide_chan_candisable(cp)) { 2743 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2744 pci_conf_write(sc->sc_pc, sc->sc_tag, 2745 PCI_CLASS_REG, cr); 2746 } 2747 pciide_map_compat_intr(pa, cp, channel, interface); 2748 acer_setup_channel(&cp->wdc_channel); 2749 } 2750 } 2751 2752 void 2753 acer_setup_channel(chp) 2754 struct channel_softc *chp; 2755 { 2756 struct ata_drive_datas *drvp; 2757 int drive; 2758 u_int32_t acer_fifo_udma; 2759 u_int32_t idedma_ctl; 2760 struct pciide_channel *cp = (struct pciide_channel*)chp; 2761 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2762 2763 idedma_ctl = 0; 2764 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 2765 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 2766 acer_fifo_udma), DEBUG_PROBE); 2767 /* setup DMA if needed */ 2768 pciide_channel_dma_setup(cp); 2769 2770 for (drive = 0; drive < 2; drive++) { 2771 drvp = &chp->ch_drive[drive]; 2772 /* If no drive, skip */ 2773 if ((drvp->drive_flags & DRIVE) == 0) 2774 continue; 2775 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 2776 "channel %d drive %d 0x%x\n", chp->channel, drive, 2777 pciide_pci_read(sc->sc_pc, sc->sc_tag, 2778 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 2779 /* clear FIFO/DMA mode */ 2780 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 2781 ACER_UDMA_EN(chp->channel, drive) | 2782 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 2783 2784 /* add timing values, setup DMA if needed */ 2785 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2786 (drvp->drive_flags & DRIVE_UDMA) == 0) { 2787 acer_fifo_udma |= 2788 ACER_FTH_OPL(chp->channel, drive, 0x1); 2789 goto pio; 2790 } 2791 2792 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 2793 if (drvp->drive_flags & DRIVE_UDMA) { 2794 /* use Ultra/DMA */ 2795 drvp->drive_flags &= ~DRIVE_DMA; 2796 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 2797 acer_fifo_udma |= 2798 ACER_UDMA_TIM(chp->channel, drive, 2799 acer_udma[drvp->UDMA_mode]); 2800 } else { 2801 /* 2802 * use Multiword DMA 2803 * Timings will be used for both PIO and DMA, 2804 * so adjust DMA mode if needed 2805 */ 2806 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2807 drvp->PIO_mode = drvp->DMA_mode + 2; 2808 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2809 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2810 drvp->PIO_mode - 2 : 0; 2811 if (drvp->DMA_mode == 0) 2812 drvp->PIO_mode = 0; 2813 } 2814 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2815 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 2816 ACER_IDETIM(chp->channel, drive), 2817 acer_pio[drvp->PIO_mode]); 2818 } 2819 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 2820 acer_fifo_udma), DEBUG_PROBE); 2821 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 2822 if (idedma_ctl != 0) { 2823 /* Add software bits in status register */ 2824 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2825 IDEDMA_CTL, idedma_ctl); 2826 } 2827 pciide_print_modes(cp); 2828 } 2829 2830 int 2831 acer_pci_intr(arg) 2832 void *arg; 2833 { 2834 struct pciide_softc *sc = arg; 2835 struct pciide_channel *cp; 2836 struct channel_softc *wdc_cp; 2837 int i, rv, crv; 2838 u_int32_t chids; 2839 2840 rv = 0; 2841 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 2842 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2843 cp = &sc->pciide_channels[i]; 2844 wdc_cp = &cp->wdc_channel; 2845 /* If a compat channel skip. */ 2846 if (cp->compat) 2847 continue; 2848 if (chids & ACER_CHIDS_INT(i)) { 2849 crv = wdcintr(wdc_cp); 2850 if (crv == 0) 2851 printf("%s:%d: bogus intr\n", 2852 sc->sc_wdcdev.sc_dev.dv_xname, i); 2853 else 2854 rv = 1; 2855 } 2856 } 2857 return rv; 2858 } 2859 2860 void 2861 hpt_chip_map(sc, pa) 2862 struct pciide_softc *sc; 2863 struct pci_attach_args *pa; 2864 { 2865 struct pciide_channel *cp; 2866 int i, compatchan, revision; 2867 pcireg_t interface; 2868 bus_size_t cmdsize, ctlsize; 2869 2870 if (pciide_chipen(sc, pa) == 0) 2871 return; 2872 revision = PCI_REVISION(pa->pa_class); 2873 2874 /* 2875 * when the chip is in native mode it identifies itself as a 2876 * 'misc mass storage'. Fake interface in this case. 2877 */ 2878 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 2879 interface = PCI_INTERFACE(pa->pa_class); 2880 } else { 2881 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 2882 PCIIDE_INTERFACE_PCI(0); 2883 if (revision == HPT370_REV) 2884 interface |= PCIIDE_INTERFACE_PCI(1); 2885 } 2886 2887 printf("%s: bus-master DMA support present", 2888 sc->sc_wdcdev.sc_dev.dv_xname); 2889 pciide_mapreg_dma(sc, pa); 2890 printf("\n"); 2891 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2892 WDC_CAPABILITY_MODE; 2893 if (sc->sc_dma_ok) { 2894 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2895 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2896 sc->sc_wdcdev.irqack = pciide_irqack; 2897 } 2898 sc->sc_wdcdev.PIO_cap = 4; 2899 sc->sc_wdcdev.DMA_cap = 2; 2900 2901 sc->sc_wdcdev.set_modes = hpt_setup_channel; 2902 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2903 if (revision == HPT366_REV) { 2904 sc->sc_wdcdev.UDMA_cap = 4; 2905 /* 2906 * The 366 has 2 PCI IDE functions, one for primary and one 2907 * for secondary. So we need to call pciide_mapregs_compat() 2908 * with the real channel 2909 */ 2910 if (pa->pa_function == 0) { 2911 compatchan = 0; 2912 } else if (pa->pa_function == 1) { 2913 compatchan = 1; 2914 } else { 2915 printf("%s: unexpected PCI function %d\n", 2916 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2917 return; 2918 } 2919 sc->sc_wdcdev.nchannels = 1; 2920 } else { 2921 sc->sc_wdcdev.nchannels = 2; 2922 sc->sc_wdcdev.UDMA_cap = 5; 2923 } 2924 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2925 cp = &sc->pciide_channels[i]; 2926 if (sc->sc_wdcdev.nchannels > 1) { 2927 compatchan = i; 2928 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 2929 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 2930 printf("%s: %s channel ignored (disabled)\n", 2931 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2932 continue; 2933 } 2934 } 2935 if (pciide_chansetup(sc, i, interface) == 0) 2936 continue; 2937 if (interface & PCIIDE_INTERFACE_PCI(i)) { 2938 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 2939 &ctlsize, hpt_pci_intr); 2940 } else { 2941 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 2942 &cmdsize, &ctlsize); 2943 } 2944 if (cp->hw_ok == 0) 2945 return; 2946 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2947 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2948 wdcattach(&cp->wdc_channel); 2949 hpt_setup_channel(&cp->wdc_channel); 2950 } 2951 if (revision == HPT370_REV) { 2952 /* 2953 * HPT370_REV has a bit to disable interrupts, make sure 2954 * to clear it 2955 */ 2956 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 2957 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 2958 ~HPT_CSEL_IRQDIS); 2959 } 2960 return; 2961 } 2962 2963 void 2964 hpt_setup_channel(chp) 2965 struct channel_softc *chp; 2966 { 2967 struct ata_drive_datas *drvp; 2968 int drive; 2969 int cable; 2970 u_int32_t before, after; 2971 u_int32_t idedma_ctl; 2972 struct pciide_channel *cp = (struct pciide_channel*)chp; 2973 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2974 2975 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 2976 2977 /* setup DMA if needed */ 2978 pciide_channel_dma_setup(cp); 2979 2980 idedma_ctl = 0; 2981 2982 /* Per drive settings */ 2983 for (drive = 0; drive < 2; drive++) { 2984 drvp = &chp->ch_drive[drive]; 2985 /* If no drive, skip */ 2986 if ((drvp->drive_flags & DRIVE) == 0) 2987 continue; 2988 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 2989 HPT_IDETIM(chp->channel, drive)); 2990 2991 /* add timing values, setup DMA if needed */ 2992 if (drvp->drive_flags & DRIVE_UDMA) { 2993 /* use Ultra/DMA */ 2994 drvp->drive_flags &= ~DRIVE_DMA; 2995 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 2996 drvp->UDMA_mode > 2) 2997 drvp->UDMA_mode = 2; 2998 after = (sc->sc_wdcdev.nchannels == 2) ? 2999 hpt370_udma[drvp->UDMA_mode] : 3000 hpt366_udma[drvp->UDMA_mode]; 3001 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3002 } else if (drvp->drive_flags & DRIVE_DMA) { 3003 /* 3004 * use Multiword DMA. 3005 * Timings will be used for both PIO and DMA, so adjust 3006 * DMA mode if needed 3007 */ 3008 if (drvp->PIO_mode >= 3 && 3009 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 3010 drvp->DMA_mode = drvp->PIO_mode - 2; 3011 } 3012 after = (sc->sc_wdcdev.nchannels == 2) ? 3013 hpt370_dma[drvp->DMA_mode] : 3014 hpt366_dma[drvp->DMA_mode]; 3015 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3016 } else { 3017 /* PIO only */ 3018 after = (sc->sc_wdcdev.nchannels == 2) ? 3019 hpt370_pio[drvp->PIO_mode] : 3020 hpt366_pio[drvp->PIO_mode]; 3021 } 3022 pci_conf_write(sc->sc_pc, sc->sc_tag, 3023 HPT_IDETIM(chp->channel, drive), after); 3024 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 3025 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 3026 after, before), DEBUG_PROBE); 3027 } 3028 if (idedma_ctl != 0) { 3029 /* Add software bits in status register */ 3030 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3031 IDEDMA_CTL, idedma_ctl); 3032 } 3033 pciide_print_modes(cp); 3034 } 3035 3036 int 3037 hpt_pci_intr(arg) 3038 void *arg; 3039 { 3040 struct pciide_softc *sc = arg; 3041 struct pciide_channel *cp; 3042 struct channel_softc *wdc_cp; 3043 int rv = 0; 3044 int dmastat, i, crv; 3045 3046 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3047 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3048 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3049 if((dmastat & IDEDMA_CTL_INTR) == 0) 3050 continue; 3051 cp = &sc->pciide_channels[i]; 3052 wdc_cp = &cp->wdc_channel; 3053 crv = wdcintr(wdc_cp); 3054 if (crv == 0) { 3055 printf("%s:%d: bogus intr\n", 3056 sc->sc_wdcdev.sc_dev.dv_xname, i); 3057 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3058 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 3059 } else 3060 rv = 1; 3061 } 3062 return rv; 3063 } 3064 3065 3066 /* A macro to test product */ 3067 #define PDC_IS_262(sc) \ 3068 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 3069 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3070 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3071 3072 void 3073 pdc202xx_chip_map(sc, pa) 3074 struct pciide_softc *sc; 3075 struct pci_attach_args *pa; 3076 { 3077 struct pciide_channel *cp; 3078 int channel; 3079 pcireg_t interface, st, mode; 3080 bus_size_t cmdsize, ctlsize; 3081 3082 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3083 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 3084 DEBUG_PROBE); 3085 if (pciide_chipen(sc, pa) == 0) 3086 return; 3087 3088 /* turn off RAID mode */ 3089 st &= ~PDC2xx_STATE_IDERAID; 3090 3091 /* 3092 * can't rely on the PCI_CLASS_REG content if the chip was in raid 3093 * mode. We have to fake interface 3094 */ 3095 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 3096 if (st & PDC2xx_STATE_NATIVE) 3097 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3098 3099 printf("%s: bus-master DMA support present", 3100 sc->sc_wdcdev.sc_dev.dv_xname); 3101 pciide_mapreg_dma(sc, pa); 3102 printf("\n"); 3103 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3104 WDC_CAPABILITY_MODE; 3105 if (sc->sc_dma_ok) { 3106 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3107 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3108 sc->sc_wdcdev.irqack = pciide_irqack; 3109 } 3110 sc->sc_wdcdev.PIO_cap = 4; 3111 sc->sc_wdcdev.DMA_cap = 2; 3112 if (PDC_IS_262(sc)) 3113 sc->sc_wdcdev.UDMA_cap = 4; 3114 else 3115 sc->sc_wdcdev.UDMA_cap = 2; 3116 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3117 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3118 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3119 3120 /* setup failsafe defaults */ 3121 mode = 0; 3122 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3123 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3124 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3125 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3126 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3127 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3128 "initial timings 0x%x, now 0x%x\n", channel, 3129 pci_conf_read(sc->sc_pc, sc->sc_tag, 3130 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3131 DEBUG_PROBE); 3132 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3133 mode | PDC2xx_TIM_IORDYp); 3134 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3135 "initial timings 0x%x, now 0x%x\n", channel, 3136 pci_conf_read(sc->sc_pc, sc->sc_tag, 3137 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3138 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3139 mode); 3140 } 3141 3142 mode = PDC2xx_SCR_DMA; 3143 if (PDC_IS_262(sc)) { 3144 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3145 } else { 3146 /* the BIOS set it up this way */ 3147 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3148 } 3149 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3150 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3151 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3152 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3153 DEBUG_PROBE); 3154 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3155 3156 /* controller initial state register is OK even without BIOS */ 3157 /* Set DMA mode to IDE DMA compatibility */ 3158 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3159 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3160 DEBUG_PROBE); 3161 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3162 mode | 0x1); 3163 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3164 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3165 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3166 mode | 0x1); 3167 3168 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3169 cp = &sc->pciide_channels[channel]; 3170 if (pciide_chansetup(sc, channel, interface) == 0) 3171 continue; 3172 if ((st & (PDC_IS_262(sc) ? 3173 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3174 printf("%s: %s channel ignored (disabled)\n", 3175 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3176 continue; 3177 } 3178 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3179 pdc202xx_pci_intr); 3180 if (cp->hw_ok == 0) 3181 continue; 3182 if (pciide_chan_candisable(cp)) 3183 st &= ~(PDC_IS_262(sc) ? 3184 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3185 pciide_map_compat_intr(pa, cp, channel, interface); 3186 pdc202xx_setup_channel(&cp->wdc_channel); 3187 } 3188 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3189 DEBUG_PROBE); 3190 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3191 return; 3192 } 3193 3194 void 3195 pdc202xx_setup_channel(chp) 3196 struct channel_softc *chp; 3197 { 3198 struct ata_drive_datas *drvp; 3199 int drive; 3200 pcireg_t mode, st; 3201 u_int32_t idedma_ctl, scr, atapi; 3202 struct pciide_channel *cp = (struct pciide_channel*)chp; 3203 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3204 int channel = chp->channel; 3205 3206 /* setup DMA if needed */ 3207 pciide_channel_dma_setup(cp); 3208 3209 idedma_ctl = 0; 3210 3211 /* Per channel settings */ 3212 if (PDC_IS_262(sc)) { 3213 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3214 PDC262_U66); 3215 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3216 /* Trimm UDMA mode */ 3217 if ((st & PDC262_STATE_80P(channel)) != 0 || 3218 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3219 chp->ch_drive[0].UDMA_mode <= 2) || 3220 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3221 chp->ch_drive[1].UDMA_mode <= 2)) { 3222 if (chp->ch_drive[0].UDMA_mode > 2) 3223 chp->ch_drive[0].UDMA_mode = 2; 3224 if (chp->ch_drive[1].UDMA_mode > 2) 3225 chp->ch_drive[1].UDMA_mode = 2; 3226 } 3227 /* Set U66 if needed */ 3228 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3229 chp->ch_drive[0].UDMA_mode > 2) || 3230 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3231 chp->ch_drive[1].UDMA_mode > 2)) 3232 scr |= PDC262_U66_EN(channel); 3233 else 3234 scr &= ~PDC262_U66_EN(channel); 3235 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3236 PDC262_U66, scr); 3237 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3238 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3239 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3240 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3241 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3242 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3243 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3244 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3245 atapi = 0; 3246 else 3247 atapi = PDC262_ATAPI_UDMA; 3248 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3249 PDC262_ATAPI(channel), atapi); 3250 } 3251 } 3252 for (drive = 0; drive < 2; drive++) { 3253 drvp = &chp->ch_drive[drive]; 3254 /* If no drive, skip */ 3255 if ((drvp->drive_flags & DRIVE) == 0) 3256 continue; 3257 mode = 0; 3258 if (drvp->drive_flags & DRIVE_UDMA) { 3259 /* use Ultra/DMA */ 3260 drvp->drive_flags &= ~DRIVE_DMA; 3261 mode = PDC2xx_TIM_SET_MB(mode, 3262 pdc2xx_udma_mb[drvp->UDMA_mode]); 3263 mode = PDC2xx_TIM_SET_MC(mode, 3264 pdc2xx_udma_mc[drvp->UDMA_mode]); 3265 drvp->drive_flags &= ~DRIVE_DMA; 3266 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3267 } else if (drvp->drive_flags & DRIVE_DMA) { 3268 mode = PDC2xx_TIM_SET_MB(mode, 3269 pdc2xx_dma_mb[drvp->DMA_mode]); 3270 mode = PDC2xx_TIM_SET_MC(mode, 3271 pdc2xx_dma_mc[drvp->DMA_mode]); 3272 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3273 } else { 3274 mode = PDC2xx_TIM_SET_MB(mode, 3275 pdc2xx_dma_mb[0]); 3276 mode = PDC2xx_TIM_SET_MC(mode, 3277 pdc2xx_dma_mc[0]); 3278 } 3279 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3280 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3281 if (drvp->drive_flags & DRIVE_ATA) 3282 mode |= PDC2xx_TIM_PRE; 3283 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3284 if (drvp->PIO_mode >= 3) { 3285 mode |= PDC2xx_TIM_IORDY; 3286 if (drive == 0) 3287 mode |= PDC2xx_TIM_IORDYp; 3288 } 3289 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3290 "timings 0x%x\n", 3291 sc->sc_wdcdev.sc_dev.dv_xname, 3292 chp->channel, drive, mode), DEBUG_PROBE); 3293 pci_conf_write(sc->sc_pc, sc->sc_tag, 3294 PDC2xx_TIM(chp->channel, drive), mode); 3295 } 3296 if (idedma_ctl != 0) { 3297 /* Add software bits in status register */ 3298 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3299 IDEDMA_CTL, idedma_ctl); 3300 } 3301 pciide_print_modes(cp); 3302 } 3303 3304 int 3305 pdc202xx_pci_intr(arg) 3306 void *arg; 3307 { 3308 struct pciide_softc *sc = arg; 3309 struct pciide_channel *cp; 3310 struct channel_softc *wdc_cp; 3311 int i, rv, crv; 3312 u_int32_t scr; 3313 3314 rv = 0; 3315 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3316 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3317 cp = &sc->pciide_channels[i]; 3318 wdc_cp = &cp->wdc_channel; 3319 /* If a compat channel skip. */ 3320 if (cp->compat) 3321 continue; 3322 if (scr & PDC2xx_SCR_INT(i)) { 3323 crv = wdcintr(wdc_cp); 3324 if (crv == 0) 3325 printf("%s:%d: bogus intr\n", 3326 sc->sc_wdcdev.sc_dev.dv_xname, i); 3327 else 3328 rv = 1; 3329 } 3330 } 3331 return rv; 3332 } 3333 3334 void 3335 opti_chip_map(sc, pa) 3336 struct pciide_softc *sc; 3337 struct pci_attach_args *pa; 3338 { 3339 struct pciide_channel *cp; 3340 bus_size_t cmdsize, ctlsize; 3341 pcireg_t interface; 3342 u_int8_t init_ctrl; 3343 int channel; 3344 3345 if (pciide_chipen(sc, pa) == 0) 3346 return; 3347 printf("%s: bus-master DMA support present", 3348 sc->sc_wdcdev.sc_dev.dv_xname); 3349 pciide_mapreg_dma(sc, pa); 3350 printf("\n"); 3351 3352 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3353 WDC_CAPABILITY_MODE; 3354 sc->sc_wdcdev.PIO_cap = 4; 3355 if (sc->sc_dma_ok) { 3356 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3357 sc->sc_wdcdev.irqack = pciide_irqack; 3358 sc->sc_wdcdev.DMA_cap = 2; 3359 } 3360 sc->sc_wdcdev.set_modes = opti_setup_channel; 3361 3362 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3363 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3364 3365 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3366 OPTI_REG_INIT_CONTROL); 3367 3368 interface = PCI_INTERFACE(pa->pa_class); 3369 3370 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3371 cp = &sc->pciide_channels[channel]; 3372 if (pciide_chansetup(sc, channel, interface) == 0) 3373 continue; 3374 if (channel == 1 && 3375 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3376 printf("%s: %s channel ignored (disabled)\n", 3377 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3378 continue; 3379 } 3380 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3381 pciide_pci_intr); 3382 if (cp->hw_ok == 0) 3383 continue; 3384 pciide_map_compat_intr(pa, cp, channel, interface); 3385 if (cp->hw_ok == 0) 3386 continue; 3387 opti_setup_channel(&cp->wdc_channel); 3388 } 3389 } 3390 3391 void 3392 opti_setup_channel(chp) 3393 struct channel_softc *chp; 3394 { 3395 struct ata_drive_datas *drvp; 3396 struct pciide_channel *cp = (struct pciide_channel*)chp; 3397 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3398 int drive, spd; 3399 int mode[2]; 3400 u_int8_t rv, mr; 3401 3402 /* 3403 * The `Delay' and `Address Setup Time' fields of the 3404 * Miscellaneous Register are always zero initially. 3405 */ 3406 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3407 mr &= ~(OPTI_MISC_DELAY_MASK | 3408 OPTI_MISC_ADDR_SETUP_MASK | 3409 OPTI_MISC_INDEX_MASK); 3410 3411 /* Prime the control register before setting timing values */ 3412 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3413 3414 /* Determine the clockrate of the PCIbus the chip is attached to */ 3415 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3416 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3417 3418 /* setup DMA if needed */ 3419 pciide_channel_dma_setup(cp); 3420 3421 for (drive = 0; drive < 2; drive++) { 3422 drvp = &chp->ch_drive[drive]; 3423 /* If no drive, skip */ 3424 if ((drvp->drive_flags & DRIVE) == 0) { 3425 mode[drive] = -1; 3426 continue; 3427 } 3428 3429 if ((drvp->drive_flags & DRIVE_DMA)) { 3430 /* 3431 * Timings will be used for both PIO and DMA, 3432 * so adjust DMA mode if needed 3433 */ 3434 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3435 drvp->PIO_mode = drvp->DMA_mode + 2; 3436 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3437 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3438 drvp->PIO_mode - 2 : 0; 3439 if (drvp->DMA_mode == 0) 3440 drvp->PIO_mode = 0; 3441 3442 mode[drive] = drvp->DMA_mode + 5; 3443 } else 3444 mode[drive] = drvp->PIO_mode; 3445 3446 if (drive && mode[0] >= 0 && 3447 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3448 /* 3449 * Can't have two drives using different values 3450 * for `Address Setup Time'. 3451 * Slow down the faster drive to compensate. 3452 */ 3453 int d = (opti_tim_as[spd][mode[0]] > 3454 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3455 3456 mode[d] = mode[1-d]; 3457 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3458 chp->ch_drive[d].DMA_mode = 0; 3459 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3460 } 3461 } 3462 3463 for (drive = 0; drive < 2; drive++) { 3464 int m; 3465 if ((m = mode[drive]) < 0) 3466 continue; 3467 3468 /* Set the Address Setup Time and select appropriate index */ 3469 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3470 rv |= OPTI_MISC_INDEX(drive); 3471 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3472 3473 /* Set the pulse width and recovery timing parameters */ 3474 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3475 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3476 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3477 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3478 3479 /* Set the Enhanced Mode register appropriately */ 3480 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3481 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3482 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3483 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3484 } 3485 3486 /* Finally, enable the timings */ 3487 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3488 3489 pciide_print_modes(cp); 3490 } 3491
Indexes created Thu Oct 02 10:09:58 GMT 2025