pciide.c revision 1.68.2.18
1 /* $NetBSD: pciide.c,v 1.68.2.18 2001/02/04 18:52:41 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 sc->sc_wdcdev.UDMA_cap = 4; 1347 break; 1348 case PCI_PRODUCT_INTEL_82801BA_IDE: 1349 sc->sc_wdcdev.UDMA_cap = 5; 1350 break; 1351 default: 1352 sc->sc_wdcdev.UDMA_cap = 2; 1353 } 1354 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1355 sc->sc_wdcdev.set_modes = piix_setup_channel; 1356 else 1357 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1358 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1359 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1360 1361 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1362 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1363 DEBUG_PROBE); 1364 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1365 WDCDEBUG_PRINT((", sidetim=0x%x", 1366 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1367 DEBUG_PROBE); 1368 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1369 WDCDEBUG_PRINT((", udamreg 0x%x", 1370 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1371 DEBUG_PROBE); 1372 } 1373 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1374 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1375 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE) { 1376 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1377 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1378 DEBUG_PROBE); 1379 } 1380 1381 } 1382 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1383 1384 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1385 cp = &sc->pciide_channels[channel]; 1386 /* PIIX is compat-only */ 1387 if (pciide_chansetup(sc, channel, 0) == 0) 1388 continue; 1389 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1390 if ((PIIX_IDETIM_READ(idetim, channel) & 1391 PIIX_IDETIM_IDE) == 0) { 1392 printf("%s: %s channel ignored (disabled)\n", 1393 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1394 continue; 1395 } 1396 /* PIIX are compat-only pciide devices */ 1397 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1398 if (cp->hw_ok == 0) 1399 continue; 1400 if (pciide_chan_candisable(cp)) { 1401 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1402 channel); 1403 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1404 idetim); 1405 } 1406 pciide_map_compat_intr(pa, cp, channel, 0); 1407 if (cp->hw_ok == 0) 1408 continue; 1409 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1410 } 1411 1412 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1413 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1414 DEBUG_PROBE); 1415 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1416 WDCDEBUG_PRINT((", sidetim=0x%x", 1417 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1418 DEBUG_PROBE); 1419 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1420 WDCDEBUG_PRINT((", udamreg 0x%x", 1421 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1422 DEBUG_PROBE); 1423 } 1424 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1425 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1426 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE) { 1427 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1428 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1429 DEBUG_PROBE); 1430 } 1431 } 1432 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1433 } 1434 1435 void 1436 piix_setup_channel(chp) 1437 struct channel_softc *chp; 1438 { 1439 u_int8_t mode[2], drive; 1440 u_int32_t oidetim, idetim, idedma_ctl; 1441 struct pciide_channel *cp = (struct pciide_channel*)chp; 1442 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1443 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1444 1445 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1446 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1447 idedma_ctl = 0; 1448 1449 /* set up new idetim: Enable IDE registers decode */ 1450 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1451 chp->channel); 1452 1453 /* setup DMA */ 1454 pciide_channel_dma_setup(cp); 1455 1456 /* 1457 * Here we have to mess up with drives mode: PIIX can't have 1458 * different timings for master and slave drives. 1459 * We need to find the best combination. 1460 */ 1461 1462 /* If both drives supports DMA, take the lower mode */ 1463 if ((drvp[0].drive_flags & DRIVE_DMA) && 1464 (drvp[1].drive_flags & DRIVE_DMA)) { 1465 mode[0] = mode[1] = 1466 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1467 drvp[0].DMA_mode = mode[0]; 1468 drvp[1].DMA_mode = mode[1]; 1469 goto ok; 1470 } 1471 /* 1472 * If only one drive supports DMA, use its mode, and 1473 * put the other one in PIO mode 0 if mode not compatible 1474 */ 1475 if (drvp[0].drive_flags & DRIVE_DMA) { 1476 mode[0] = drvp[0].DMA_mode; 1477 mode[1] = drvp[1].PIO_mode; 1478 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1479 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1480 mode[1] = drvp[1].PIO_mode = 0; 1481 goto ok; 1482 } 1483 if (drvp[1].drive_flags & DRIVE_DMA) { 1484 mode[1] = drvp[1].DMA_mode; 1485 mode[0] = drvp[0].PIO_mode; 1486 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1487 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1488 mode[0] = drvp[0].PIO_mode = 0; 1489 goto ok; 1490 } 1491 /* 1492 * If both drives are not DMA, takes the lower mode, unless 1493 * one of them is PIO mode < 2 1494 */ 1495 if (drvp[0].PIO_mode < 2) { 1496 mode[0] = drvp[0].PIO_mode = 0; 1497 mode[1] = drvp[1].PIO_mode; 1498 } else if (drvp[1].PIO_mode < 2) { 1499 mode[1] = drvp[1].PIO_mode = 0; 1500 mode[0] = drvp[0].PIO_mode; 1501 } else { 1502 mode[0] = mode[1] = 1503 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1504 drvp[0].PIO_mode = mode[0]; 1505 drvp[1].PIO_mode = mode[1]; 1506 } 1507 ok: /* The modes are setup */ 1508 for (drive = 0; drive < 2; drive++) { 1509 if (drvp[drive].drive_flags & DRIVE_DMA) { 1510 idetim |= piix_setup_idetim_timings( 1511 mode[drive], 1, chp->channel); 1512 goto end; 1513 } 1514 } 1515 /* If we are there, none of the drives are DMA */ 1516 if (mode[0] >= 2) 1517 idetim |= piix_setup_idetim_timings( 1518 mode[0], 0, chp->channel); 1519 else 1520 idetim |= piix_setup_idetim_timings( 1521 mode[1], 0, chp->channel); 1522 end: /* 1523 * timing mode is now set up in the controller. Enable 1524 * it per-drive 1525 */ 1526 for (drive = 0; drive < 2; drive++) { 1527 /* If no drive, skip */ 1528 if ((drvp[drive].drive_flags & DRIVE) == 0) 1529 continue; 1530 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1531 if (drvp[drive].drive_flags & DRIVE_DMA) 1532 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1533 } 1534 if (idedma_ctl != 0) { 1535 /* Add software bits in status register */ 1536 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1537 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1538 idedma_ctl); 1539 } 1540 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1541 pciide_print_modes(cp); 1542 } 1543 1544 void 1545 piix3_4_setup_channel(chp) 1546 struct channel_softc *chp; 1547 { 1548 struct ata_drive_datas *drvp; 1549 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1550 struct pciide_channel *cp = (struct pciide_channel*)chp; 1551 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1552 int drive; 1553 int channel = chp->channel; 1554 1555 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1556 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1557 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1558 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1559 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1560 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1561 PIIX_SIDETIM_RTC_MASK(channel)); 1562 1563 idedma_ctl = 0; 1564 /* If channel disabled, no need to go further */ 1565 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1566 return; 1567 /* set up new idetim: Enable IDE registers decode */ 1568 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1569 1570 /* setup DMA if needed */ 1571 pciide_channel_dma_setup(cp); 1572 1573 for (drive = 0; drive < 2; drive++) { 1574 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1575 PIIX_UDMATIM_SET(0x3, channel, drive)); 1576 drvp = &chp->ch_drive[drive]; 1577 /* If no drive, skip */ 1578 if ((drvp->drive_flags & DRIVE) == 0) 1579 continue; 1580 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1581 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1582 goto pio; 1583 1584 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1585 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || 1586 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE) { 1587 ideconf |= PIIX_CONFIG_PINGPONG; 1588 } 1589 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE) { 1590 /* setup Ultra/100 */ 1591 if (drvp->UDMA_mode > 2 && 1592 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1593 drvp->UDMA_mode = 2; 1594 if (drvp->UDMA_mode > 4) { 1595 ideconf |= PIIX_CONFIG_UDMA100(channel, drive); 1596 } else { 1597 ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); 1598 if (drvp->UDMA_mode > 2) { 1599 ideconf |= PIIX_CONFIG_UDMA66(channel, 1600 drive); 1601 } else { 1602 ideconf &= ~PIIX_CONFIG_UDMA66(channel, 1603 drive); 1604 } 1605 } 1606 } 1607 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1608 /* setup Ultra/66 */ 1609 if (drvp->UDMA_mode > 2 && 1610 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1611 drvp->UDMA_mode = 2; 1612 if (drvp->UDMA_mode > 2) 1613 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1614 else 1615 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1616 } 1617 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1618 (drvp->drive_flags & DRIVE_UDMA)) { 1619 /* use Ultra/DMA */ 1620 drvp->drive_flags &= ~DRIVE_DMA; 1621 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1622 udmareg |= PIIX_UDMATIM_SET( 1623 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1624 } else { 1625 /* use Multiword DMA */ 1626 drvp->drive_flags &= ~DRIVE_UDMA; 1627 if (drive == 0) { 1628 idetim |= piix_setup_idetim_timings( 1629 drvp->DMA_mode, 1, channel); 1630 } else { 1631 sidetim |= piix_setup_sidetim_timings( 1632 drvp->DMA_mode, 1, channel); 1633 idetim =PIIX_IDETIM_SET(idetim, 1634 PIIX_IDETIM_SITRE, channel); 1635 } 1636 } 1637 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1638 1639 pio: /* use PIO mode */ 1640 idetim |= piix_setup_idetim_drvs(drvp); 1641 if (drive == 0) { 1642 idetim |= piix_setup_idetim_timings( 1643 drvp->PIO_mode, 0, channel); 1644 } else { 1645 sidetim |= piix_setup_sidetim_timings( 1646 drvp->PIO_mode, 0, channel); 1647 idetim =PIIX_IDETIM_SET(idetim, 1648 PIIX_IDETIM_SITRE, channel); 1649 } 1650 } 1651 if (idedma_ctl != 0) { 1652 /* Add software bits in status register */ 1653 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1654 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1655 idedma_ctl); 1656 } 1657 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1658 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1659 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1660 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1661 pciide_print_modes(cp); 1662 } 1663 1664 1665 /* setup ISP and RTC fields, based on mode */ 1666 static u_int32_t 1667 piix_setup_idetim_timings(mode, dma, channel) 1668 u_int8_t mode; 1669 u_int8_t dma; 1670 u_int8_t channel; 1671 { 1672 1673 if (dma) 1674 return PIIX_IDETIM_SET(0, 1675 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1676 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1677 channel); 1678 else 1679 return PIIX_IDETIM_SET(0, 1680 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1681 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1682 channel); 1683 } 1684 1685 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1686 static u_int32_t 1687 piix_setup_idetim_drvs(drvp) 1688 struct ata_drive_datas *drvp; 1689 { 1690 u_int32_t ret = 0; 1691 struct channel_softc *chp = drvp->chnl_softc; 1692 u_int8_t channel = chp->channel; 1693 u_int8_t drive = drvp->drive; 1694 1695 /* 1696 * If drive is using UDMA, timings setups are independant 1697 * So just check DMA and PIO here. 1698 */ 1699 if (drvp->drive_flags & DRIVE_DMA) { 1700 /* if mode = DMA mode 0, use compatible timings */ 1701 if ((drvp->drive_flags & DRIVE_DMA) && 1702 drvp->DMA_mode == 0) { 1703 drvp->PIO_mode = 0; 1704 return ret; 1705 } 1706 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1707 /* 1708 * PIO and DMA timings are the same, use fast timings for PIO 1709 * too, else use compat timings. 1710 */ 1711 if ((piix_isp_pio[drvp->PIO_mode] != 1712 piix_isp_dma[drvp->DMA_mode]) || 1713 (piix_rtc_pio[drvp->PIO_mode] != 1714 piix_rtc_dma[drvp->DMA_mode])) 1715 drvp->PIO_mode = 0; 1716 /* if PIO mode <= 2, use compat timings for PIO */ 1717 if (drvp->PIO_mode <= 2) { 1718 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1719 channel); 1720 return ret; 1721 } 1722 } 1723 1724 /* 1725 * Now setup PIO modes. If mode < 2, use compat timings. 1726 * Else enable fast timings. Enable IORDY and prefetch/post 1727 * if PIO mode >= 3. 1728 */ 1729 1730 if (drvp->PIO_mode < 2) 1731 return ret; 1732 1733 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1734 if (drvp->PIO_mode >= 3) { 1735 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1736 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1737 } 1738 return ret; 1739 } 1740 1741 /* setup values in SIDETIM registers, based on mode */ 1742 static u_int32_t 1743 piix_setup_sidetim_timings(mode, dma, channel) 1744 u_int8_t mode; 1745 u_int8_t dma; 1746 u_int8_t channel; 1747 { 1748 if (dma) 1749 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1750 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1751 else 1752 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1753 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1754 } 1755 1756 void 1757 amd756_chip_map(sc, pa) 1758 struct pciide_softc *sc; 1759 struct pci_attach_args *pa; 1760 { 1761 struct pciide_channel *cp; 1762 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1763 int channel; 1764 pcireg_t chanenable; 1765 bus_size_t cmdsize, ctlsize; 1766 1767 if (pciide_chipen(sc, pa) == 0) 1768 return; 1769 printf("%s: bus-master DMA support present", 1770 sc->sc_wdcdev.sc_dev.dv_xname); 1771 pciide_mapreg_dma(sc, pa); 1772 printf("\n"); 1773 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1774 WDC_CAPABILITY_MODE; 1775 if (sc->sc_dma_ok) { 1776 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1777 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1778 sc->sc_wdcdev.irqack = pciide_irqack; 1779 } 1780 sc->sc_wdcdev.PIO_cap = 4; 1781 sc->sc_wdcdev.DMA_cap = 2; 1782 sc->sc_wdcdev.UDMA_cap = 4; 1783 sc->sc_wdcdev.set_modes = amd756_setup_channel; 1784 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1785 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1786 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); 1787 1788 WDCDEBUG_PRINT(("amd756_chip_map: Channel enable=0x%x\n", chanenable), 1789 DEBUG_PROBE); 1790 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1791 cp = &sc->pciide_channels[channel]; 1792 if (pciide_chansetup(sc, channel, interface) == 0) 1793 continue; 1794 1795 if ((chanenable & AMD756_CHAN_EN(channel)) == 0) { 1796 printf("%s: %s channel ignored (disabled)\n", 1797 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1798 continue; 1799 } 1800 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1801 pciide_pci_intr); 1802 1803 if (pciide_chan_candisable(cp)) 1804 chanenable &= ~AMD756_CHAN_EN(channel); 1805 pciide_map_compat_intr(pa, cp, channel, interface); 1806 if (cp->hw_ok == 0) 1807 continue; 1808 1809 amd756_setup_channel(&cp->wdc_channel); 1810 } 1811 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN, 1812 chanenable); 1813 return; 1814 } 1815 1816 void 1817 amd756_setup_channel(chp) 1818 struct channel_softc *chp; 1819 { 1820 u_int32_t udmatim_reg, datatim_reg; 1821 u_int8_t idedma_ctl; 1822 int mode, drive; 1823 struct ata_drive_datas *drvp; 1824 struct pciide_channel *cp = (struct pciide_channel*)chp; 1825 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1826 #ifndef PCIIDE_AMD756_ENABLEDMA 1827 int rev = PCI_REVISION( 1828 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 1829 #endif 1830 1831 idedma_ctl = 0; 1832 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM); 1833 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA); 1834 datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel); 1835 udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel); 1836 1837 /* setup DMA if needed */ 1838 pciide_channel_dma_setup(cp); 1839 1840 for (drive = 0; drive < 2; drive++) { 1841 drvp = &chp->ch_drive[drive]; 1842 /* If no drive, skip */ 1843 if ((drvp->drive_flags & DRIVE) == 0) 1844 continue; 1845 /* add timing values, setup DMA if needed */ 1846 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1847 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1848 mode = drvp->PIO_mode; 1849 goto pio; 1850 } 1851 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1852 (drvp->drive_flags & DRIVE_UDMA)) { 1853 /* use Ultra/DMA */ 1854 drvp->drive_flags &= ~DRIVE_DMA; 1855 udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) | 1856 AMD756_UDMA_EN_MTH(chp->channel, drive) | 1857 AMD756_UDMA_TIME(chp->channel, drive, 1858 amd756_udma_tim[drvp->UDMA_mode]); 1859 /* can use PIO timings, MW DMA unused */ 1860 mode = drvp->PIO_mode; 1861 } else { 1862 /* use Multiword DMA, but only if revision is OK */ 1863 drvp->drive_flags &= ~DRIVE_UDMA; 1864 #ifndef PCIIDE_AMD756_ENABLEDMA 1865 /* 1866 * The workaround doesn't seem to be necessary 1867 * with all drives, so it can be disabled by 1868 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 1869 * triggered. 1870 */ 1871 if (AMD756_CHIPREV_DISABLEDMA(rev)) { 1872 printf("%s:%d:%d: multi-word DMA disabled due " 1873 "to chip revision\n", 1874 sc->sc_wdcdev.sc_dev.dv_xname, 1875 chp->channel, drive); 1876 mode = drvp->PIO_mode; 1877 drvp->drive_flags &= ~DRIVE_DMA; 1878 goto pio; 1879 } 1880 #endif 1881 /* mode = min(pio, dma+2) */ 1882 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1883 mode = drvp->PIO_mode; 1884 else 1885 mode = drvp->DMA_mode + 2; 1886 } 1887 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1888 1889 pio: /* setup PIO mode */ 1890 if (mode <= 2) { 1891 drvp->DMA_mode = 0; 1892 drvp->PIO_mode = 0; 1893 mode = 0; 1894 } else { 1895 drvp->PIO_mode = mode; 1896 drvp->DMA_mode = mode - 2; 1897 } 1898 datatim_reg |= 1899 AMD756_DATATIM_PULSE(chp->channel, drive, 1900 amd756_pio_set[mode]) | 1901 AMD756_DATATIM_RECOV(chp->channel, drive, 1902 amd756_pio_rec[mode]); 1903 } 1904 if (idedma_ctl != 0) { 1905 /* Add software bits in status register */ 1906 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1907 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1908 idedma_ctl); 1909 } 1910 pciide_print_modes(cp); 1911 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg); 1912 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg); 1913 } 1914 1915 void 1916 apollo_chip_map(sc, pa) 1917 struct pciide_softc *sc; 1918 struct pci_attach_args *pa; 1919 { 1920 struct pciide_channel *cp; 1921 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1922 int rev = PCI_REVISION(pa->pa_class); 1923 int channel; 1924 u_int32_t ideconf, udma_conf, old_udma_conf; 1925 bus_size_t cmdsize, ctlsize; 1926 1927 if (pciide_chipen(sc, pa) == 0) 1928 return; 1929 printf("%s: bus-master DMA support present", 1930 sc->sc_wdcdev.sc_dev.dv_xname); 1931 pciide_mapreg_dma(sc, pa); 1932 printf("\n"); 1933 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1934 WDC_CAPABILITY_MODE; 1935 if (sc->sc_dma_ok) { 1936 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1937 sc->sc_wdcdev.irqack = pciide_irqack; 1938 if (sc->sc_pp->ide_product == PCI_PRODUCT_VIATECH_VT82C586A_IDE 1939 && rev >= 6) 1940 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1941 } 1942 sc->sc_wdcdev.PIO_cap = 4; 1943 sc->sc_wdcdev.DMA_cap = 2; 1944 sc->sc_wdcdev.UDMA_cap = 2; 1945 sc->sc_wdcdev.set_modes = apollo_setup_channel; 1946 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1947 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1948 1949 old_udma_conf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1950 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 1951 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1952 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 1953 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 1954 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1955 old_udma_conf), 1956 DEBUG_PROBE); 1957 pci_conf_write(sc->sc_pc, sc->sc_tag, 1958 old_udma_conf | (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1959 APO_UDMA_EN_MTH(0, 0) | APO_UDMA_CLK66(0)), 1960 APO_UDMA); 1961 udma_conf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1962 WDCDEBUG_PRINT(("apollo_chip_map: APO_UDMA now 0x%x\n", udma_conf), 1963 DEBUG_PROBE); 1964 if ((udma_conf & (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1965 APO_UDMA_EN_MTH(0, 0))) == 1966 (APO_UDMA_PIO_MODE(0, 0) | APO_UDMA_EN(0, 0) | 1967 APO_UDMA_EN_MTH(0, 0))) { 1968 if ((udma_conf & APO_UDMA_CLK66(0)) == 1969 APO_UDMA_CLK66(0)) { 1970 printf("%s: Ultra/66 capable\n", 1971 sc->sc_wdcdev.sc_dev.dv_xname); 1972 sc->sc_wdcdev.UDMA_cap = 4; 1973 } else { 1974 printf("%s: Ultra/33 capable\n", 1975 sc->sc_wdcdev.sc_dev.dv_xname); 1976 sc->sc_wdcdev.UDMA_cap = 2; 1977 } 1978 } else { 1979 sc->sc_wdcdev.cap &= ~WDC_CAPABILITY_UDMA; 1980 } 1981 pci_conf_write(sc->sc_pc, sc->sc_tag, old_udma_conf, APO_UDMA); 1982 1983 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1984 cp = &sc->pciide_channels[channel]; 1985 if (pciide_chansetup(sc, channel, interface) == 0) 1986 continue; 1987 1988 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 1989 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 1990 printf("%s: %s channel ignored (disabled)\n", 1991 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1992 continue; 1993 } 1994 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1995 pciide_pci_intr); 1996 if (cp->hw_ok == 0) 1997 continue; 1998 if (pciide_chan_candisable(cp)) { 1999 ideconf &= ~APO_IDECONF_EN(channel); 2000 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 2001 ideconf); 2002 } 2003 pciide_map_compat_intr(pa, cp, channel, interface); 2004 2005 if (cp->hw_ok == 0) 2006 continue; 2007 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 2008 } 2009 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 2010 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 2011 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 2012 } 2013 2014 void 2015 apollo_setup_channel(chp) 2016 struct channel_softc *chp; 2017 { 2018 u_int32_t udmatim_reg, datatim_reg; 2019 u_int8_t idedma_ctl; 2020 int mode, drive; 2021 struct ata_drive_datas *drvp; 2022 struct pciide_channel *cp = (struct pciide_channel*)chp; 2023 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2024 2025 idedma_ctl = 0; 2026 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 2027 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 2028 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 2029 udmatim_reg &= ~AP0_UDMA_MASK(chp->channel); 2030 2031 /* setup DMA if needed */ 2032 pciide_channel_dma_setup(cp); 2033 2034 /* 2035 * We can't mix Ultra/33 and Ultra/66 on the same channel, so 2036 * downgrade to Ultra/33 if needed 2037 */ 2038 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 2039 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 2040 /* both drives UDMA */ 2041 if (chp->ch_drive[0].UDMA_mode > 2 && 2042 chp->ch_drive[1].UDMA_mode <= 2) { 2043 /* drive 0 Ultra/66, drive 1 Ultra/33 */ 2044 chp->ch_drive[0].UDMA_mode = 2; 2045 } else if (chp->ch_drive[1].UDMA_mode > 2 && 2046 chp->ch_drive[0].UDMA_mode <= 2) { 2047 /* drive 1 Ultra/66, drive 0 Ultra/33 */ 2048 chp->ch_drive[1].UDMA_mode = 2; 2049 } 2050 } 2051 2052 for (drive = 0; drive < 2; drive++) { 2053 drvp = &chp->ch_drive[drive]; 2054 /* If no drive, skip */ 2055 if ((drvp->drive_flags & DRIVE) == 0) 2056 continue; 2057 /* add timing values, setup DMA if needed */ 2058 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 2059 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 2060 mode = drvp->PIO_mode; 2061 goto pio; 2062 } 2063 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 2064 (drvp->drive_flags & DRIVE_UDMA)) { 2065 /* use Ultra/DMA */ 2066 drvp->drive_flags &= ~DRIVE_DMA; 2067 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 2068 APO_UDMA_EN_MTH(chp->channel, drive) | 2069 APO_UDMA_TIME(chp->channel, drive, 2070 apollo_udma_tim[drvp->UDMA_mode]); 2071 if (drvp->UDMA_mode > 2) 2072 udmatim_reg |= 2073 APO_UDMA_CLK66(chp->channel); 2074 /* can use PIO timings, MW DMA unused */ 2075 mode = drvp->PIO_mode; 2076 } else { 2077 /* use Multiword DMA */ 2078 drvp->drive_flags &= ~DRIVE_UDMA; 2079 /* mode = min(pio, dma+2) */ 2080 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 2081 mode = drvp->PIO_mode; 2082 else 2083 mode = drvp->DMA_mode + 2; 2084 } 2085 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2086 2087 pio: /* setup PIO mode */ 2088 if (mode <= 2) { 2089 drvp->DMA_mode = 0; 2090 drvp->PIO_mode = 0; 2091 mode = 0; 2092 } else { 2093 drvp->PIO_mode = mode; 2094 drvp->DMA_mode = mode - 2; 2095 } 2096 datatim_reg |= 2097 APO_DATATIM_PULSE(chp->channel, drive, 2098 apollo_pio_set[mode]) | 2099 APO_DATATIM_RECOV(chp->channel, drive, 2100 apollo_pio_rec[mode]); 2101 } 2102 if (idedma_ctl != 0) { 2103 /* Add software bits in status register */ 2104 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2105 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2106 idedma_ctl); 2107 } 2108 pciide_print_modes(cp); 2109 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 2110 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 2111 } 2112 2113 void 2114 cmd_channel_map(pa, sc, channel) 2115 struct pci_attach_args *pa; 2116 struct pciide_softc *sc; 2117 int channel; 2118 { 2119 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2120 bus_size_t cmdsize, ctlsize; 2121 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2122 int interface; 2123 2124 /* 2125 * The 0648/0649 can be told to identify as a RAID controller. 2126 * In this case, we have to fake interface 2127 */ 2128 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2129 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2130 PCIIDE_INTERFACE_SETTABLE(1); 2131 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2132 CMD_CONF_DSA1) 2133 interface |= PCIIDE_INTERFACE_PCI(0) | 2134 PCIIDE_INTERFACE_PCI(1); 2135 } else { 2136 interface = PCI_INTERFACE(pa->pa_class); 2137 } 2138 2139 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2140 cp->name = PCIIDE_CHANNEL_NAME(channel); 2141 cp->wdc_channel.channel = channel; 2142 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2143 2144 if (channel > 0) { 2145 cp->wdc_channel.ch_queue = 2146 sc->pciide_channels[0].wdc_channel.ch_queue; 2147 } else { 2148 cp->wdc_channel.ch_queue = 2149 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2150 } 2151 if (cp->wdc_channel.ch_queue == NULL) { 2152 printf("%s %s channel: " 2153 "can't allocate memory for command queue", 2154 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2155 return; 2156 } 2157 2158 printf("%s: %s channel %s to %s mode\n", 2159 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2160 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2161 "configured" : "wired", 2162 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2163 "native-PCI" : "compatibility"); 2164 2165 /* 2166 * with a CMD PCI64x, if we get here, the first channel is enabled: 2167 * there's no way to disable the first channel without disabling 2168 * the whole device 2169 */ 2170 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2171 printf("%s: %s channel ignored (disabled)\n", 2172 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2173 return; 2174 } 2175 2176 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2177 if (cp->hw_ok == 0) 2178 return; 2179 if (channel == 1) { 2180 if (pciide_chan_candisable(cp)) { 2181 ctrl &= ~CMD_CTRL_2PORT; 2182 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2183 CMD_CTRL, ctrl); 2184 } 2185 } 2186 pciide_map_compat_intr(pa, cp, channel, interface); 2187 } 2188 2189 int 2190 cmd_pci_intr(arg) 2191 void *arg; 2192 { 2193 struct pciide_softc *sc = arg; 2194 struct pciide_channel *cp; 2195 struct channel_softc *wdc_cp; 2196 int i, rv, crv; 2197 u_int32_t priirq, secirq; 2198 2199 rv = 0; 2200 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2201 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2202 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2203 cp = &sc->pciide_channels[i]; 2204 wdc_cp = &cp->wdc_channel; 2205 /* If a compat channel skip. */ 2206 if (cp->compat) 2207 continue; 2208 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2209 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2210 crv = wdcintr(wdc_cp); 2211 if (crv == 0) 2212 printf("%s:%d: bogus intr\n", 2213 sc->sc_wdcdev.sc_dev.dv_xname, i); 2214 else 2215 rv = 1; 2216 } 2217 } 2218 return rv; 2219 } 2220 2221 void 2222 cmd_chip_map(sc, pa) 2223 struct pciide_softc *sc; 2224 struct pci_attach_args *pa; 2225 { 2226 int channel; 2227 2228 /* 2229 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2230 * and base adresses registers can be disabled at 2231 * hardware level. In this case, the device is wired 2232 * in compat mode and its first channel is always enabled, 2233 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2234 * In fact, it seems that the first channel of the CMD PCI0640 2235 * can't be disabled. 2236 */ 2237 2238 #ifdef PCIIDE_CMD064x_DISABLE 2239 if (pciide_chipen(sc, pa) == 0) 2240 return; 2241 #endif 2242 2243 printf("%s: hardware does not support DMA\n", 2244 sc->sc_wdcdev.sc_dev.dv_xname); 2245 sc->sc_dma_ok = 0; 2246 2247 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2248 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2249 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2250 2251 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2252 cmd_channel_map(pa, sc, channel); 2253 } 2254 } 2255 2256 void 2257 cmd0643_9_chip_map(sc, pa) 2258 struct pciide_softc *sc; 2259 struct pci_attach_args *pa; 2260 { 2261 struct pciide_channel *cp; 2262 int channel; 2263 int rev = PCI_REVISION( 2264 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 2265 2266 /* 2267 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2268 * and base adresses registers can be disabled at 2269 * hardware level. In this case, the device is wired 2270 * in compat mode and its first channel is always enabled, 2271 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2272 * In fact, it seems that the first channel of the CMD PCI0640 2273 * can't be disabled. 2274 */ 2275 2276 #ifdef PCIIDE_CMD064x_DISABLE 2277 if (pciide_chipen(sc, pa) == 0) 2278 return; 2279 #endif 2280 printf("%s: bus-master DMA support present", 2281 sc->sc_wdcdev.sc_dev.dv_xname); 2282 pciide_mapreg_dma(sc, pa); 2283 printf("\n"); 2284 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2285 WDC_CAPABILITY_MODE; 2286 if (sc->sc_dma_ok) { 2287 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2288 switch (sc->sc_pp->ide_product) { 2289 case PCI_PRODUCT_CMDTECH_649: 2290 case PCI_PRODUCT_CMDTECH_648: 2291 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2292 sc->sc_wdcdev.UDMA_cap = 4; 2293 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2294 break; 2295 case PCI_PRODUCT_CMDTECH_646: 2296 if (rev >= CMD0646U2_REV) { 2297 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2298 sc->sc_wdcdev.UDMA_cap = 2; 2299 } else if (rev >= CMD0646U_REV) { 2300 /* 2301 * Linux's driver claims that the 646U is broken 2302 * with UDMA. Only enable it if we know what we're 2303 * doing 2304 */ 2305 #ifdef PCIIDE_CMD0646U_ENABLEUDMA 2306 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2307 sc->sc_wdcdev.UDMA_cap = 2; 2308 #endif 2309 /* explicitely disable UDMA */ 2310 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2311 CMD_UDMATIM(0), 0); 2312 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2313 CMD_UDMATIM(1), 0); 2314 } 2315 sc->sc_wdcdev.irqack = cmd646_9_irqack; 2316 break; 2317 default: 2318 sc->sc_wdcdev.irqack = pciide_irqack; 2319 } 2320 } 2321 2322 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2323 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2324 sc->sc_wdcdev.PIO_cap = 4; 2325 sc->sc_wdcdev.DMA_cap = 2; 2326 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2327 2328 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2329 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2330 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2331 DEBUG_PROBE); 2332 2333 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2334 cp = &sc->pciide_channels[channel]; 2335 cmd_channel_map(pa, sc, channel); 2336 if (cp->hw_ok == 0) 2337 continue; 2338 cmd0643_9_setup_channel(&cp->wdc_channel); 2339 } 2340 /* 2341 * note - this also makes sure we clear the irq disable and reset 2342 * bits 2343 */ 2344 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2345 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2346 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2347 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2348 DEBUG_PROBE); 2349 } 2350 2351 void 2352 cmd0643_9_setup_channel(chp) 2353 struct channel_softc *chp; 2354 { 2355 struct ata_drive_datas *drvp; 2356 u_int8_t tim; 2357 u_int32_t idedma_ctl, udma_reg; 2358 int drive; 2359 struct pciide_channel *cp = (struct pciide_channel*)chp; 2360 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2361 2362 idedma_ctl = 0; 2363 /* setup DMA if needed */ 2364 pciide_channel_dma_setup(cp); 2365 2366 for (drive = 0; drive < 2; drive++) { 2367 drvp = &chp->ch_drive[drive]; 2368 /* If no drive, skip */ 2369 if ((drvp->drive_flags & DRIVE) == 0) 2370 continue; 2371 /* add timing values, setup DMA if needed */ 2372 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2373 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2374 if (drvp->drive_flags & DRIVE_UDMA) { 2375 /* UltraDMA on a 646U2, 0648 or 0649 */ 2376 drvp->drive_flags &= ~DRIVE_DMA; 2377 udma_reg = pciide_pci_read(sc->sc_pc, 2378 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2379 if (drvp->UDMA_mode > 2 && 2380 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2381 CMD_BICSR) & 2382 CMD_BICSR_80(chp->channel)) == 0) 2383 drvp->UDMA_mode = 2; 2384 if (drvp->UDMA_mode > 2) 2385 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2386 else if (sc->sc_wdcdev.UDMA_cap > 2) 2387 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2388 udma_reg |= CMD_UDMATIM_UDMA(drive); 2389 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2390 CMD_UDMATIM_TIM_OFF(drive)); 2391 udma_reg |= 2392 (cmd0646_9_tim_udma[drvp->UDMA_mode] << 2393 CMD_UDMATIM_TIM_OFF(drive)); 2394 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2395 CMD_UDMATIM(chp->channel), udma_reg); 2396 } else { 2397 /* 2398 * use Multiword DMA. 2399 * Timings will be used for both PIO and DMA, 2400 * so adjust DMA mode if needed 2401 * if we have a 0646U2/8/9, turn off UDMA 2402 */ 2403 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2404 udma_reg = pciide_pci_read(sc->sc_pc, 2405 sc->sc_tag, 2406 CMD_UDMATIM(chp->channel)); 2407 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2408 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2409 CMD_UDMATIM(chp->channel), 2410 udma_reg); 2411 } 2412 if (drvp->PIO_mode >= 3 && 2413 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2414 drvp->DMA_mode = drvp->PIO_mode - 2; 2415 } 2416 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2417 } 2418 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2419 } 2420 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2421 CMD_DATA_TIM(chp->channel, drive), tim); 2422 } 2423 if (idedma_ctl != 0) { 2424 /* Add software bits in status register */ 2425 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2426 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2427 idedma_ctl); 2428 } 2429 pciide_print_modes(cp); 2430 } 2431 2432 void 2433 cmd646_9_irqack(chp) 2434 struct channel_softc *chp; 2435 { 2436 u_int32_t priirq, secirq; 2437 struct pciide_channel *cp = (struct pciide_channel*)chp; 2438 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2439 2440 if (chp->channel == 0) { 2441 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2442 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); 2443 } else { 2444 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2445 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); 2446 } 2447 pciide_irqack(chp); 2448 } 2449 2450 void 2451 cy693_chip_map(sc, pa) 2452 struct pciide_softc *sc; 2453 struct pci_attach_args *pa; 2454 { 2455 struct pciide_channel *cp; 2456 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2457 bus_size_t cmdsize, ctlsize; 2458 2459 if (pciide_chipen(sc, pa) == 0) 2460 return; 2461 /* 2462 * this chip has 2 PCI IDE functions, one for primary and one for 2463 * secondary. So we need to call pciide_mapregs_compat() with 2464 * the real channel 2465 */ 2466 if (pa->pa_function == 1) { 2467 sc->sc_cy_compatchan = 0; 2468 } else if (pa->pa_function == 2) { 2469 sc->sc_cy_compatchan = 1; 2470 } else { 2471 printf("%s: unexpected PCI function %d\n", 2472 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2473 return; 2474 } 2475 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2476 printf("%s: bus-master DMA support present", 2477 sc->sc_wdcdev.sc_dev.dv_xname); 2478 pciide_mapreg_dma(sc, pa); 2479 } else { 2480 printf("%s: hardware does not support DMA", 2481 sc->sc_wdcdev.sc_dev.dv_xname); 2482 sc->sc_dma_ok = 0; 2483 } 2484 printf("\n"); 2485 2486 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2487 if (sc->sc_cy_handle == NULL) { 2488 printf("%s: unable to map hyperCache control registers\n", 2489 sc->sc_wdcdev.sc_dev.dv_xname); 2490 sc->sc_dma_ok = 0; 2491 } 2492 2493 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2494 WDC_CAPABILITY_MODE; 2495 if (sc->sc_dma_ok) { 2496 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2497 sc->sc_wdcdev.irqack = pciide_irqack; 2498 } 2499 sc->sc_wdcdev.PIO_cap = 4; 2500 sc->sc_wdcdev.DMA_cap = 2; 2501 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2502 2503 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2504 sc->sc_wdcdev.nchannels = 1; 2505 2506 /* Only one channel for this chip; if we are here it's enabled */ 2507 cp = &sc->pciide_channels[0]; 2508 sc->wdc_chanarray[0] = &cp->wdc_channel; 2509 cp->name = PCIIDE_CHANNEL_NAME(0); 2510 cp->wdc_channel.channel = 0; 2511 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2512 cp->wdc_channel.ch_queue = 2513 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2514 if (cp->wdc_channel.ch_queue == NULL) { 2515 printf("%s primary channel: " 2516 "can't allocate memory for command queue", 2517 sc->sc_wdcdev.sc_dev.dv_xname); 2518 return; 2519 } 2520 printf("%s: primary channel %s to ", 2521 sc->sc_wdcdev.sc_dev.dv_xname, 2522 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2523 "configured" : "wired"); 2524 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2525 printf("native-PCI"); 2526 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2527 pciide_pci_intr); 2528 } else { 2529 printf("compatibility"); 2530 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2531 &cmdsize, &ctlsize); 2532 } 2533 printf(" mode\n"); 2534 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2535 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2536 wdcattach(&cp->wdc_channel); 2537 if (pciide_chan_candisable(cp)) { 2538 pci_conf_write(sc->sc_pc, sc->sc_tag, 2539 PCI_COMMAND_STATUS_REG, 0); 2540 } 2541 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2542 if (cp->hw_ok == 0) 2543 return; 2544 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2545 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2546 cy693_setup_channel(&cp->wdc_channel); 2547 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2548 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2549 } 2550 2551 void 2552 cy693_setup_channel(chp) 2553 struct channel_softc *chp; 2554 { 2555 struct ata_drive_datas *drvp; 2556 int drive; 2557 u_int32_t cy_cmd_ctrl; 2558 u_int32_t idedma_ctl; 2559 struct pciide_channel *cp = (struct pciide_channel*)chp; 2560 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2561 int dma_mode = -1; 2562 2563 cy_cmd_ctrl = idedma_ctl = 0; 2564 2565 /* setup DMA if needed */ 2566 pciide_channel_dma_setup(cp); 2567 2568 for (drive = 0; drive < 2; drive++) { 2569 drvp = &chp->ch_drive[drive]; 2570 /* If no drive, skip */ 2571 if ((drvp->drive_flags & DRIVE) == 0) 2572 continue; 2573 /* add timing values, setup DMA if needed */ 2574 if (drvp->drive_flags & DRIVE_DMA) { 2575 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2576 /* use Multiword DMA */ 2577 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2578 dma_mode = drvp->DMA_mode; 2579 } 2580 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2581 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2582 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2583 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2584 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2585 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2586 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2587 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2588 } 2589 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2590 chp->ch_drive[0].DMA_mode = dma_mode; 2591 chp->ch_drive[1].DMA_mode = dma_mode; 2592 2593 if (dma_mode == -1) 2594 dma_mode = 0; 2595 2596 if (sc->sc_cy_handle != NULL) { 2597 /* Note: `multiple' is implied. */ 2598 cy82c693_write(sc->sc_cy_handle, 2599 (sc->sc_cy_compatchan == 0) ? 2600 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2601 } 2602 2603 pciide_print_modes(cp); 2604 2605 if (idedma_ctl != 0) { 2606 /* Add software bits in status register */ 2607 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2608 IDEDMA_CTL, idedma_ctl); 2609 } 2610 } 2611 2612 void 2613 sis_chip_map(sc, pa) 2614 struct pciide_softc *sc; 2615 struct pci_attach_args *pa; 2616 { 2617 struct pciide_channel *cp; 2618 int channel; 2619 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2620 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2621 pcireg_t rev = PCI_REVISION(pa->pa_class); 2622 bus_size_t cmdsize, ctlsize; 2623 2624 if (pciide_chipen(sc, pa) == 0) 2625 return; 2626 printf("%s: bus-master DMA support present", 2627 sc->sc_wdcdev.sc_dev.dv_xname); 2628 pciide_mapreg_dma(sc, pa); 2629 printf("\n"); 2630 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2631 WDC_CAPABILITY_MODE; 2632 if (sc->sc_dma_ok) { 2633 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2634 sc->sc_wdcdev.irqack = pciide_irqack; 2635 if (rev >= 0xd0) 2636 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2637 } 2638 2639 sc->sc_wdcdev.PIO_cap = 4; 2640 sc->sc_wdcdev.DMA_cap = 2; 2641 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2642 sc->sc_wdcdev.UDMA_cap = 2; 2643 sc->sc_wdcdev.set_modes = sis_setup_channel; 2644 2645 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2646 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2647 2648 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2649 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2650 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2651 2652 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2653 cp = &sc->pciide_channels[channel]; 2654 if (pciide_chansetup(sc, channel, interface) == 0) 2655 continue; 2656 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2657 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2658 printf("%s: %s channel ignored (disabled)\n", 2659 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2660 continue; 2661 } 2662 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2663 pciide_pci_intr); 2664 if (cp->hw_ok == 0) 2665 continue; 2666 if (pciide_chan_candisable(cp)) { 2667 if (channel == 0) 2668 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2669 else 2670 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2671 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2672 sis_ctr0); 2673 } 2674 pciide_map_compat_intr(pa, cp, channel, interface); 2675 if (cp->hw_ok == 0) 2676 continue; 2677 sis_setup_channel(&cp->wdc_channel); 2678 } 2679 } 2680 2681 void 2682 sis_setup_channel(chp) 2683 struct channel_softc *chp; 2684 { 2685 struct ata_drive_datas *drvp; 2686 int drive; 2687 u_int32_t sis_tim; 2688 u_int32_t idedma_ctl; 2689 struct pciide_channel *cp = (struct pciide_channel*)chp; 2690 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2691 2692 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2693 "channel %d 0x%x\n", chp->channel, 2694 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2695 DEBUG_PROBE); 2696 sis_tim = 0; 2697 idedma_ctl = 0; 2698 /* setup DMA if needed */ 2699 pciide_channel_dma_setup(cp); 2700 2701 for (drive = 0; drive < 2; drive++) { 2702 drvp = &chp->ch_drive[drive]; 2703 /* If no drive, skip */ 2704 if ((drvp->drive_flags & DRIVE) == 0) 2705 continue; 2706 /* add timing values, setup DMA if needed */ 2707 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2708 (drvp->drive_flags & DRIVE_UDMA) == 0) 2709 goto pio; 2710 2711 if (drvp->drive_flags & DRIVE_UDMA) { 2712 /* use Ultra/DMA */ 2713 drvp->drive_flags &= ~DRIVE_DMA; 2714 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2715 SIS_TIM_UDMA_TIME_OFF(drive); 2716 sis_tim |= SIS_TIM_UDMA_EN(drive); 2717 } else { 2718 /* 2719 * use Multiword DMA 2720 * Timings will be used for both PIO and DMA, 2721 * so adjust DMA mode if needed 2722 */ 2723 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2724 drvp->PIO_mode = drvp->DMA_mode + 2; 2725 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2726 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2727 drvp->PIO_mode - 2 : 0; 2728 if (drvp->DMA_mode == 0) 2729 drvp->PIO_mode = 0; 2730 } 2731 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2732 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2733 SIS_TIM_ACT_OFF(drive); 2734 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2735 SIS_TIM_REC_OFF(drive); 2736 } 2737 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2738 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2739 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2740 if (idedma_ctl != 0) { 2741 /* Add software bits in status register */ 2742 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2743 IDEDMA_CTL, idedma_ctl); 2744 } 2745 pciide_print_modes(cp); 2746 } 2747 2748 void 2749 acer_chip_map(sc, pa) 2750 struct pciide_softc *sc; 2751 struct pci_attach_args *pa; 2752 { 2753 struct pciide_channel *cp; 2754 int channel; 2755 pcireg_t cr, interface; 2756 bus_size_t cmdsize, ctlsize; 2757 2758 if (pciide_chipen(sc, pa) == 0) 2759 return; 2760 printf("%s: bus-master DMA support present", 2761 sc->sc_wdcdev.sc_dev.dv_xname); 2762 pciide_mapreg_dma(sc, pa); 2763 printf("\n"); 2764 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2765 WDC_CAPABILITY_MODE; 2766 if (sc->sc_dma_ok) { 2767 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2768 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2769 sc->sc_wdcdev.irqack = pciide_irqack; 2770 } 2771 2772 sc->sc_wdcdev.PIO_cap = 4; 2773 sc->sc_wdcdev.DMA_cap = 2; 2774 sc->sc_wdcdev.UDMA_cap = 2; 2775 sc->sc_wdcdev.set_modes = acer_setup_channel; 2776 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2777 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2778 2779 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2780 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2781 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2782 2783 /* Enable "microsoft register bits" R/W. */ 2784 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2785 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2786 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2787 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2788 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2789 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2790 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2791 ~ACER_CHANSTATUSREGS_RO); 2792 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2793 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2794 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2795 /* Don't use cr, re-read the real register content instead */ 2796 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2797 PCI_CLASS_REG)); 2798 2799 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2800 cp = &sc->pciide_channels[channel]; 2801 if (pciide_chansetup(sc, channel, interface) == 0) 2802 continue; 2803 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2804 printf("%s: %s channel ignored (disabled)\n", 2805 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2806 continue; 2807 } 2808 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2809 acer_pci_intr); 2810 if (cp->hw_ok == 0) 2811 continue; 2812 if (pciide_chan_candisable(cp)) { 2813 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2814 pci_conf_write(sc->sc_pc, sc->sc_tag, 2815 PCI_CLASS_REG, cr); 2816 } 2817 pciide_map_compat_intr(pa, cp, channel, interface); 2818 acer_setup_channel(&cp->wdc_channel); 2819 } 2820 } 2821 2822 void 2823 acer_setup_channel(chp) 2824 struct channel_softc *chp; 2825 { 2826 struct ata_drive_datas *drvp; 2827 int drive; 2828 u_int32_t acer_fifo_udma; 2829 u_int32_t idedma_ctl; 2830 struct pciide_channel *cp = (struct pciide_channel*)chp; 2831 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2832 2833 idedma_ctl = 0; 2834 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 2835 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 2836 acer_fifo_udma), DEBUG_PROBE); 2837 /* setup DMA if needed */ 2838 pciide_channel_dma_setup(cp); 2839 2840 for (drive = 0; drive < 2; drive++) { 2841 drvp = &chp->ch_drive[drive]; 2842 /* If no drive, skip */ 2843 if ((drvp->drive_flags & DRIVE) == 0) 2844 continue; 2845 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 2846 "channel %d drive %d 0x%x\n", chp->channel, drive, 2847 pciide_pci_read(sc->sc_pc, sc->sc_tag, 2848 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 2849 /* clear FIFO/DMA mode */ 2850 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 2851 ACER_UDMA_EN(chp->channel, drive) | 2852 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 2853 2854 /* add timing values, setup DMA if needed */ 2855 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2856 (drvp->drive_flags & DRIVE_UDMA) == 0) { 2857 acer_fifo_udma |= 2858 ACER_FTH_OPL(chp->channel, drive, 0x1); 2859 goto pio; 2860 } 2861 2862 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 2863 if (drvp->drive_flags & DRIVE_UDMA) { 2864 /* use Ultra/DMA */ 2865 drvp->drive_flags &= ~DRIVE_DMA; 2866 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 2867 acer_fifo_udma |= 2868 ACER_UDMA_TIM(chp->channel, drive, 2869 acer_udma[drvp->UDMA_mode]); 2870 } else { 2871 /* 2872 * use Multiword DMA 2873 * Timings will be used for both PIO and DMA, 2874 * so adjust DMA mode if needed 2875 */ 2876 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2877 drvp->PIO_mode = drvp->DMA_mode + 2; 2878 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2879 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2880 drvp->PIO_mode - 2 : 0; 2881 if (drvp->DMA_mode == 0) 2882 drvp->PIO_mode = 0; 2883 } 2884 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2885 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 2886 ACER_IDETIM(chp->channel, drive), 2887 acer_pio[drvp->PIO_mode]); 2888 } 2889 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 2890 acer_fifo_udma), DEBUG_PROBE); 2891 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 2892 if (idedma_ctl != 0) { 2893 /* Add software bits in status register */ 2894 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2895 IDEDMA_CTL, idedma_ctl); 2896 } 2897 pciide_print_modes(cp); 2898 } 2899 2900 int 2901 acer_pci_intr(arg) 2902 void *arg; 2903 { 2904 struct pciide_softc *sc = arg; 2905 struct pciide_channel *cp; 2906 struct channel_softc *wdc_cp; 2907 int i, rv, crv; 2908 u_int32_t chids; 2909 2910 rv = 0; 2911 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 2912 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2913 cp = &sc->pciide_channels[i]; 2914 wdc_cp = &cp->wdc_channel; 2915 /* If a compat channel skip. */ 2916 if (cp->compat) 2917 continue; 2918 if (chids & ACER_CHIDS_INT(i)) { 2919 crv = wdcintr(wdc_cp); 2920 if (crv == 0) 2921 printf("%s:%d: bogus intr\n", 2922 sc->sc_wdcdev.sc_dev.dv_xname, i); 2923 else 2924 rv = 1; 2925 } 2926 } 2927 return rv; 2928 } 2929 2930 void 2931 hpt_chip_map(sc, pa) 2932 struct pciide_softc *sc; 2933 struct pci_attach_args *pa; 2934 { 2935 struct pciide_channel *cp; 2936 int i, compatchan, revision; 2937 pcireg_t interface; 2938 bus_size_t cmdsize, ctlsize; 2939 2940 if (pciide_chipen(sc, pa) == 0) 2941 return; 2942 revision = PCI_REVISION(pa->pa_class); 2943 2944 /* 2945 * when the chip is in native mode it identifies itself as a 2946 * 'misc mass storage'. Fake interface in this case. 2947 */ 2948 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 2949 interface = PCI_INTERFACE(pa->pa_class); 2950 } else { 2951 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 2952 PCIIDE_INTERFACE_PCI(0); 2953 if (revision == HPT370_REV) 2954 interface |= PCIIDE_INTERFACE_PCI(1); 2955 } 2956 2957 printf("%s: bus-master DMA support present", 2958 sc->sc_wdcdev.sc_dev.dv_xname); 2959 pciide_mapreg_dma(sc, pa); 2960 printf("\n"); 2961 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2962 WDC_CAPABILITY_MODE; 2963 if (sc->sc_dma_ok) { 2964 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2965 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2966 sc->sc_wdcdev.irqack = pciide_irqack; 2967 } 2968 sc->sc_wdcdev.PIO_cap = 4; 2969 sc->sc_wdcdev.DMA_cap = 2; 2970 2971 sc->sc_wdcdev.set_modes = hpt_setup_channel; 2972 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2973 if (revision == HPT366_REV) { 2974 sc->sc_wdcdev.UDMA_cap = 4; 2975 /* 2976 * The 366 has 2 PCI IDE functions, one for primary and one 2977 * for secondary. So we need to call pciide_mapregs_compat() 2978 * with the real channel 2979 */ 2980 if (pa->pa_function == 0) { 2981 compatchan = 0; 2982 } else if (pa->pa_function == 1) { 2983 compatchan = 1; 2984 } else { 2985 printf("%s: unexpected PCI function %d\n", 2986 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2987 return; 2988 } 2989 sc->sc_wdcdev.nchannels = 1; 2990 } else { 2991 sc->sc_wdcdev.nchannels = 2; 2992 sc->sc_wdcdev.UDMA_cap = 5; 2993 } 2994 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2995 cp = &sc->pciide_channels[i]; 2996 if (sc->sc_wdcdev.nchannels > 1) { 2997 compatchan = i; 2998 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 2999 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 3000 printf("%s: %s channel ignored (disabled)\n", 3001 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3002 continue; 3003 } 3004 } 3005 if (pciide_chansetup(sc, i, interface) == 0) 3006 continue; 3007 if (interface & PCIIDE_INTERFACE_PCI(i)) { 3008 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 3009 &ctlsize, hpt_pci_intr); 3010 } else { 3011 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 3012 &cmdsize, &ctlsize); 3013 } 3014 if (cp->hw_ok == 0) 3015 return; 3016 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 3017 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 3018 wdcattach(&cp->wdc_channel); 3019 hpt_setup_channel(&cp->wdc_channel); 3020 } 3021 if (revision == HPT370_REV) { 3022 /* 3023 * HPT370_REV has a bit to disable interrupts, make sure 3024 * to clear it 3025 */ 3026 pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, 3027 pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & 3028 ~HPT_CSEL_IRQDIS); 3029 } 3030 return; 3031 } 3032 3033 void 3034 hpt_setup_channel(chp) 3035 struct channel_softc *chp; 3036 { 3037 struct ata_drive_datas *drvp; 3038 int drive; 3039 int cable; 3040 u_int32_t before, after; 3041 u_int32_t idedma_ctl; 3042 struct pciide_channel *cp = (struct pciide_channel*)chp; 3043 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3044 3045 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 3046 3047 /* setup DMA if needed */ 3048 pciide_channel_dma_setup(cp); 3049 3050 idedma_ctl = 0; 3051 3052 /* Per drive settings */ 3053 for (drive = 0; drive < 2; drive++) { 3054 drvp = &chp->ch_drive[drive]; 3055 /* If no drive, skip */ 3056 if ((drvp->drive_flags & DRIVE) == 0) 3057 continue; 3058 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 3059 HPT_IDETIM(chp->channel, drive)); 3060 3061 /* add timing values, setup DMA if needed */ 3062 if (drvp->drive_flags & DRIVE_UDMA) { 3063 /* use Ultra/DMA */ 3064 drvp->drive_flags &= ~DRIVE_DMA; 3065 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 3066 drvp->UDMA_mode > 2) 3067 drvp->UDMA_mode = 2; 3068 after = (sc->sc_wdcdev.nchannels == 2) ? 3069 hpt370_udma[drvp->UDMA_mode] : 3070 hpt366_udma[drvp->UDMA_mode]; 3071 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3072 } else if (drvp->drive_flags & DRIVE_DMA) { 3073 /* 3074 * use Multiword DMA. 3075 * Timings will be used for both PIO and DMA, so adjust 3076 * DMA mode if needed 3077 */ 3078 if (drvp->PIO_mode >= 3 && 3079 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 3080 drvp->DMA_mode = drvp->PIO_mode - 2; 3081 } 3082 after = (sc->sc_wdcdev.nchannels == 2) ? 3083 hpt370_dma[drvp->DMA_mode] : 3084 hpt366_dma[drvp->DMA_mode]; 3085 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3086 } else { 3087 /* PIO only */ 3088 after = (sc->sc_wdcdev.nchannels == 2) ? 3089 hpt370_pio[drvp->PIO_mode] : 3090 hpt366_pio[drvp->PIO_mode]; 3091 } 3092 pci_conf_write(sc->sc_pc, sc->sc_tag, 3093 HPT_IDETIM(chp->channel, drive), after); 3094 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 3095 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 3096 after, before), DEBUG_PROBE); 3097 } 3098 if (idedma_ctl != 0) { 3099 /* Add software bits in status register */ 3100 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3101 IDEDMA_CTL, idedma_ctl); 3102 } 3103 pciide_print_modes(cp); 3104 } 3105 3106 int 3107 hpt_pci_intr(arg) 3108 void *arg; 3109 { 3110 struct pciide_softc *sc = arg; 3111 struct pciide_channel *cp; 3112 struct channel_softc *wdc_cp; 3113 int rv = 0; 3114 int dmastat, i, crv; 3115 3116 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3117 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3118 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 3119 if((dmastat & IDEDMA_CTL_INTR) == 0) 3120 continue; 3121 cp = &sc->pciide_channels[i]; 3122 wdc_cp = &cp->wdc_channel; 3123 crv = wdcintr(wdc_cp); 3124 if (crv == 0) { 3125 printf("%s:%d: bogus intr\n", 3126 sc->sc_wdcdev.sc_dev.dv_xname, i); 3127 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3128 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 3129 } else 3130 rv = 1; 3131 } 3132 return rv; 3133 } 3134 3135 3136 /* A macro to test product */ 3137 #define PDC_IS_262(sc) \ 3138 ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66 || \ 3139 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100 || \ 3140 (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA100X) 3141 3142 void 3143 pdc202xx_chip_map(sc, pa) 3144 struct pciide_softc *sc; 3145 struct pci_attach_args *pa; 3146 { 3147 struct pciide_channel *cp; 3148 int channel; 3149 pcireg_t interface, st, mode; 3150 bus_size_t cmdsize, ctlsize; 3151 3152 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3153 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 3154 DEBUG_PROBE); 3155 if (pciide_chipen(sc, pa) == 0) 3156 return; 3157 3158 /* turn off RAID mode */ 3159 st &= ~PDC2xx_STATE_IDERAID; 3160 3161 /* 3162 * can't rely on the PCI_CLASS_REG content if the chip was in raid 3163 * mode. We have to fake interface 3164 */ 3165 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 3166 if (st & PDC2xx_STATE_NATIVE) 3167 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 3168 3169 printf("%s: bus-master DMA support present", 3170 sc->sc_wdcdev.sc_dev.dv_xname); 3171 pciide_mapreg_dma(sc, pa); 3172 printf("\n"); 3173 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3174 WDC_CAPABILITY_MODE; 3175 if (sc->sc_dma_ok) { 3176 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 3177 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 3178 sc->sc_wdcdev.irqack = pciide_irqack; 3179 } 3180 sc->sc_wdcdev.PIO_cap = 4; 3181 sc->sc_wdcdev.DMA_cap = 2; 3182 if (PDC_IS_262(sc)) 3183 sc->sc_wdcdev.UDMA_cap = 4; 3184 else 3185 sc->sc_wdcdev.UDMA_cap = 2; 3186 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3187 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3188 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3189 3190 /* setup failsafe defaults */ 3191 mode = 0; 3192 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3193 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3194 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3195 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3196 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3197 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3198 "initial timings 0x%x, now 0x%x\n", channel, 3199 pci_conf_read(sc->sc_pc, sc->sc_tag, 3200 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3201 DEBUG_PROBE); 3202 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3203 mode | PDC2xx_TIM_IORDYp); 3204 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3205 "initial timings 0x%x, now 0x%x\n", channel, 3206 pci_conf_read(sc->sc_pc, sc->sc_tag, 3207 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3208 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3209 mode); 3210 } 3211 3212 mode = PDC2xx_SCR_DMA; 3213 if (PDC_IS_262(sc)) { 3214 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3215 } else { 3216 /* the BIOS set it up this way */ 3217 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3218 } 3219 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3220 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3221 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3222 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3223 DEBUG_PROBE); 3224 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3225 3226 /* controller initial state register is OK even without BIOS */ 3227 /* Set DMA mode to IDE DMA compatibility */ 3228 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3229 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3230 DEBUG_PROBE); 3231 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3232 mode | 0x1); 3233 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3234 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3235 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3236 mode | 0x1); 3237 3238 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3239 cp = &sc->pciide_channels[channel]; 3240 if (pciide_chansetup(sc, channel, interface) == 0) 3241 continue; 3242 if ((st & (PDC_IS_262(sc) ? 3243 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3244 printf("%s: %s channel ignored (disabled)\n", 3245 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3246 continue; 3247 } 3248 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3249 pdc202xx_pci_intr); 3250 if (cp->hw_ok == 0) 3251 continue; 3252 if (pciide_chan_candisable(cp)) 3253 st &= ~(PDC_IS_262(sc) ? 3254 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3255 pciide_map_compat_intr(pa, cp, channel, interface); 3256 pdc202xx_setup_channel(&cp->wdc_channel); 3257 } 3258 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3259 DEBUG_PROBE); 3260 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3261 return; 3262 } 3263 3264 void 3265 pdc202xx_setup_channel(chp) 3266 struct channel_softc *chp; 3267 { 3268 struct ata_drive_datas *drvp; 3269 int drive; 3270 pcireg_t mode, st; 3271 u_int32_t idedma_ctl, scr, atapi; 3272 struct pciide_channel *cp = (struct pciide_channel*)chp; 3273 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3274 int channel = chp->channel; 3275 3276 /* setup DMA if needed */ 3277 pciide_channel_dma_setup(cp); 3278 3279 idedma_ctl = 0; 3280 3281 /* Per channel settings */ 3282 if (PDC_IS_262(sc)) { 3283 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3284 PDC262_U66); 3285 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3286 /* Trimm UDMA mode */ 3287 if ((st & PDC262_STATE_80P(channel)) != 0 || 3288 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3289 chp->ch_drive[0].UDMA_mode <= 2) || 3290 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3291 chp->ch_drive[1].UDMA_mode <= 2)) { 3292 if (chp->ch_drive[0].UDMA_mode > 2) 3293 chp->ch_drive[0].UDMA_mode = 2; 3294 if (chp->ch_drive[1].UDMA_mode > 2) 3295 chp->ch_drive[1].UDMA_mode = 2; 3296 } 3297 /* Set U66 if needed */ 3298 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3299 chp->ch_drive[0].UDMA_mode > 2) || 3300 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3301 chp->ch_drive[1].UDMA_mode > 2)) 3302 scr |= PDC262_U66_EN(channel); 3303 else 3304 scr &= ~PDC262_U66_EN(channel); 3305 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3306 PDC262_U66, scr); 3307 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3308 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3309 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3310 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3311 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3312 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3313 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3314 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3315 atapi = 0; 3316 else 3317 atapi = PDC262_ATAPI_UDMA; 3318 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3319 PDC262_ATAPI(channel), atapi); 3320 } 3321 } 3322 for (drive = 0; drive < 2; drive++) { 3323 drvp = &chp->ch_drive[drive]; 3324 /* If no drive, skip */ 3325 if ((drvp->drive_flags & DRIVE) == 0) 3326 continue; 3327 mode = 0; 3328 if (drvp->drive_flags & DRIVE_UDMA) { 3329 /* use Ultra/DMA */ 3330 drvp->drive_flags &= ~DRIVE_DMA; 3331 mode = PDC2xx_TIM_SET_MB(mode, 3332 pdc2xx_udma_mb[drvp->UDMA_mode]); 3333 mode = PDC2xx_TIM_SET_MC(mode, 3334 pdc2xx_udma_mc[drvp->UDMA_mode]); 3335 drvp->drive_flags &= ~DRIVE_DMA; 3336 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3337 } else if (drvp->drive_flags & DRIVE_DMA) { 3338 mode = PDC2xx_TIM_SET_MB(mode, 3339 pdc2xx_dma_mb[drvp->DMA_mode]); 3340 mode = PDC2xx_TIM_SET_MC(mode, 3341 pdc2xx_dma_mc[drvp->DMA_mode]); 3342 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3343 } else { 3344 mode = PDC2xx_TIM_SET_MB(mode, 3345 pdc2xx_dma_mb[0]); 3346 mode = PDC2xx_TIM_SET_MC(mode, 3347 pdc2xx_dma_mc[0]); 3348 } 3349 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3350 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3351 if (drvp->drive_flags & DRIVE_ATA) 3352 mode |= PDC2xx_TIM_PRE; 3353 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3354 if (drvp->PIO_mode >= 3) { 3355 mode |= PDC2xx_TIM_IORDY; 3356 if (drive == 0) 3357 mode |= PDC2xx_TIM_IORDYp; 3358 } 3359 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3360 "timings 0x%x\n", 3361 sc->sc_wdcdev.sc_dev.dv_xname, 3362 chp->channel, drive, mode), DEBUG_PROBE); 3363 pci_conf_write(sc->sc_pc, sc->sc_tag, 3364 PDC2xx_TIM(chp->channel, drive), mode); 3365 } 3366 if (idedma_ctl != 0) { 3367 /* Add software bits in status register */ 3368 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3369 IDEDMA_CTL, idedma_ctl); 3370 } 3371 pciide_print_modes(cp); 3372 } 3373 3374 int 3375 pdc202xx_pci_intr(arg) 3376 void *arg; 3377 { 3378 struct pciide_softc *sc = arg; 3379 struct pciide_channel *cp; 3380 struct channel_softc *wdc_cp; 3381 int i, rv, crv; 3382 u_int32_t scr; 3383 3384 rv = 0; 3385 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3386 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3387 cp = &sc->pciide_channels[i]; 3388 wdc_cp = &cp->wdc_channel; 3389 /* If a compat channel skip. */ 3390 if (cp->compat) 3391 continue; 3392 if (scr & PDC2xx_SCR_INT(i)) { 3393 crv = wdcintr(wdc_cp); 3394 if (crv == 0) 3395 printf("%s:%d: bogus intr\n", 3396 sc->sc_wdcdev.sc_dev.dv_xname, i); 3397 else 3398 rv = 1; 3399 } 3400 } 3401 return rv; 3402 } 3403 3404 void 3405 opti_chip_map(sc, pa) 3406 struct pciide_softc *sc; 3407 struct pci_attach_args *pa; 3408 { 3409 struct pciide_channel *cp; 3410 bus_size_t cmdsize, ctlsize; 3411 pcireg_t interface; 3412 u_int8_t init_ctrl; 3413 int channel; 3414 3415 if (pciide_chipen(sc, pa) == 0) 3416 return; 3417 printf("%s: bus-master DMA support present", 3418 sc->sc_wdcdev.sc_dev.dv_xname); 3419 pciide_mapreg_dma(sc, pa); 3420 printf("\n"); 3421 3422 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3423 WDC_CAPABILITY_MODE; 3424 sc->sc_wdcdev.PIO_cap = 4; 3425 if (sc->sc_dma_ok) { 3426 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3427 sc->sc_wdcdev.irqack = pciide_irqack; 3428 sc->sc_wdcdev.DMA_cap = 2; 3429 } 3430 sc->sc_wdcdev.set_modes = opti_setup_channel; 3431 3432 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3433 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3434 3435 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3436 OPTI_REG_INIT_CONTROL); 3437 3438 interface = PCI_INTERFACE(pa->pa_class); 3439 3440 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3441 cp = &sc->pciide_channels[channel]; 3442 if (pciide_chansetup(sc, channel, interface) == 0) 3443 continue; 3444 if (channel == 1 && 3445 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3446 printf("%s: %s channel ignored (disabled)\n", 3447 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3448 continue; 3449 } 3450 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3451 pciide_pci_intr); 3452 if (cp->hw_ok == 0) 3453 continue; 3454 pciide_map_compat_intr(pa, cp, channel, interface); 3455 if (cp->hw_ok == 0) 3456 continue; 3457 opti_setup_channel(&cp->wdc_channel); 3458 } 3459 } 3460 3461 void 3462 opti_setup_channel(chp) 3463 struct channel_softc *chp; 3464 { 3465 struct ata_drive_datas *drvp; 3466 struct pciide_channel *cp = (struct pciide_channel*)chp; 3467 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3468 int drive, spd; 3469 int mode[2]; 3470 u_int8_t rv, mr; 3471 3472 /* 3473 * The `Delay' and `Address Setup Time' fields of the 3474 * Miscellaneous Register are always zero initially. 3475 */ 3476 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3477 mr &= ~(OPTI_MISC_DELAY_MASK | 3478 OPTI_MISC_ADDR_SETUP_MASK | 3479 OPTI_MISC_INDEX_MASK); 3480 3481 /* Prime the control register before setting timing values */ 3482 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3483 3484 /* Determine the clockrate of the PCIbus the chip is attached to */ 3485 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3486 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3487 3488 /* setup DMA if needed */ 3489 pciide_channel_dma_setup(cp); 3490 3491 for (drive = 0; drive < 2; drive++) { 3492 drvp = &chp->ch_drive[drive]; 3493 /* If no drive, skip */ 3494 if ((drvp->drive_flags & DRIVE) == 0) { 3495 mode[drive] = -1; 3496 continue; 3497 } 3498 3499 if ((drvp->drive_flags & DRIVE_DMA)) { 3500 /* 3501 * Timings will be used for both PIO and DMA, 3502 * so adjust DMA mode if needed 3503 */ 3504 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3505 drvp->PIO_mode = drvp->DMA_mode + 2; 3506 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3507 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3508 drvp->PIO_mode - 2 : 0; 3509 if (drvp->DMA_mode == 0) 3510 drvp->PIO_mode = 0; 3511 3512 mode[drive] = drvp->DMA_mode + 5; 3513 } else 3514 mode[drive] = drvp->PIO_mode; 3515 3516 if (drive && mode[0] >= 0 && 3517 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3518 /* 3519 * Can't have two drives using different values 3520 * for `Address Setup Time'. 3521 * Slow down the faster drive to compensate. 3522 */ 3523 int d = (opti_tim_as[spd][mode[0]] > 3524 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3525 3526 mode[d] = mode[1-d]; 3527 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3528 chp->ch_drive[d].DMA_mode = 0; 3529 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3530 } 3531 } 3532 3533 for (drive = 0; drive < 2; drive++) { 3534 int m; 3535 if ((m = mode[drive]) < 0) 3536 continue; 3537 3538 /* Set the Address Setup Time and select appropriate index */ 3539 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3540 rv |= OPTI_MISC_INDEX(drive); 3541 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3542 3543 /* Set the pulse width and recovery timing parameters */ 3544 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3545 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3546 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3547 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3548 3549 /* Set the Enhanced Mode register appropriately */ 3550 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3551 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3552 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3553 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3554 } 3555 3556 /* Finally, enable the timings */ 3557 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3558 3559 pciide_print_modes(cp); 3560 } 3561
Indexes created Thu Oct 02 14:10:14 GMT 2025