pciide.c revision 1.70
1 /* $NetBSD: pciide.c,v 1.70 2000/06/26 10:07:52 bouyer Exp $ */ 2 3 4 /* 5 * Copyright (c) 1999 Manuel Bouyer. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 37 /* 38 * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by Christopher G. Demetriou 51 * for the NetBSD Project. 52 * 4. The name of the author may not be used to endorse or promote products 53 * derived from this software without specific prior written permission 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 /* 68 * PCI IDE controller driver. 69 * 70 * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD 71 * sys/dev/pci/ppb.c, revision 1.16). 72 * 73 * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and 74 * "Programming Interface for Bus Master IDE Controller, Revision 1.0 75 * 5/16/94" from the PCI SIG. 76 * 77 */ 78 79 #ifndef WDCDEBUG 80 #define WDCDEBUG 81 #endif 82 83 #define DEBUG_DMA 0x01 84 #define DEBUG_XFERS 0x02 85 #define DEBUG_FUNCS 0x08 86 #define DEBUG_PROBE 0x10 87 #ifdef WDCDEBUG 88 int wdcdebug_pciide_mask = 0; 89 #define WDCDEBUG_PRINT(args, level) \ 90 if (wdcdebug_pciide_mask & (level)) printf args 91 #else 92 #define WDCDEBUG_PRINT(args, level) 93 #endif 94 #include <sys/param.h> 95 #include <sys/systm.h> 96 #include <sys/device.h> 97 #include <sys/malloc.h> 98 99 #include <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 /* inlines for reading/writing 8-bit PCI registers */ 123 static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t, 124 int)); 125 static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t, 126 int, u_int8_t)); 127 128 static __inline u_int8_t 129 pciide_pci_read(pc, pa, reg) 130 pci_chipset_tag_t pc; 131 pcitag_t pa; 132 int reg; 133 { 134 135 return (pci_conf_read(pc, pa, (reg & ~0x03)) >> 136 ((reg & 0x03) * 8) & 0xff); 137 } 138 139 static __inline void 140 pciide_pci_write(pc, pa, reg, val) 141 pci_chipset_tag_t pc; 142 pcitag_t pa; 143 int reg; 144 u_int8_t val; 145 { 146 pcireg_t pcival; 147 148 pcival = pci_conf_read(pc, pa, (reg & ~0x03)); 149 pcival &= ~(0xff << ((reg & 0x03) * 8)); 150 pcival |= (val << ((reg & 0x03) * 8)); 151 pci_conf_write(pc, pa, (reg & ~0x03), pcival); 152 } 153 154 void default_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 155 156 void piix_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 157 void piix_setup_channel __P((struct channel_softc*)); 158 void piix3_4_setup_channel __P((struct channel_softc*)); 159 static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 160 static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*)); 161 static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t)); 162 163 void amd756_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 164 void amd756_setup_channel __P((struct channel_softc*)); 165 166 void apollo_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 167 void apollo_setup_channel __P((struct channel_softc*)); 168 169 void cmd_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 170 void cmd0643_9_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 171 void cmd0643_9_setup_channel __P((struct channel_softc*)); 172 void cmd_channel_map __P((struct pci_attach_args *, 173 struct pciide_softc *, int)); 174 int cmd_pci_intr __P((void *)); 175 176 void cy693_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 177 void cy693_setup_channel __P((struct channel_softc*)); 178 179 void sis_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 180 void sis_setup_channel __P((struct channel_softc*)); 181 182 void acer_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 183 void acer_setup_channel __P((struct channel_softc*)); 184 int acer_pci_intr __P((void *)); 185 186 void pdc202xx_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 187 void pdc202xx_setup_channel __P((struct channel_softc*)); 188 int pdc202xx_pci_intr __P((void *)); 189 190 void opti_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 191 void opti_setup_channel __P((struct channel_softc*)); 192 193 void hpt_chip_map __P((struct pciide_softc*, struct pci_attach_args*)); 194 void hpt_setup_channel __P((struct channel_softc*)); 195 int hpt_pci_intr __P((void *)); 196 197 void pciide_channel_dma_setup __P((struct pciide_channel *)); 198 int pciide_dma_table_setup __P((struct pciide_softc*, int, int)); 199 int pciide_dma_init __P((void*, int, int, void *, size_t, int)); 200 void pciide_dma_start __P((void*, int, int)); 201 int pciide_dma_finish __P((void*, int, int, int)); 202 void pciide_irqack __P((struct channel_softc *)); 203 void pciide_print_modes __P((struct pciide_channel *)); 204 205 struct pciide_product_desc { 206 u_int32_t ide_product; 207 int ide_flags; 208 const char *ide_name; 209 /* map and setup chip, probe drives */ 210 void (*chip_map) __P((struct pciide_softc*, struct pci_attach_args*)); 211 }; 212 213 /* Flags for ide_flags */ 214 #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ 215 216 /* Default product description for devices not known from this controller */ 217 const struct pciide_product_desc default_product_desc = { 218 0, 219 0, 220 "Generic PCI IDE controller", 221 default_chip_map, 222 }; 223 224 const struct pciide_product_desc pciide_intel_products[] = { 225 { PCI_PRODUCT_INTEL_82092AA, 226 0, 227 "Intel 82092AA IDE controller", 228 default_chip_map, 229 }, 230 { PCI_PRODUCT_INTEL_82371FB_IDE, 231 0, 232 "Intel 82371FB IDE controller (PIIX)", 233 piix_chip_map, 234 }, 235 { PCI_PRODUCT_INTEL_82371SB_IDE, 236 0, 237 "Intel 82371SB IDE Interface (PIIX3)", 238 piix_chip_map, 239 }, 240 { PCI_PRODUCT_INTEL_82371AB_IDE, 241 0, 242 "Intel 82371AB IDE controller (PIIX4)", 243 piix_chip_map, 244 }, 245 { PCI_PRODUCT_INTEL_82801AA_IDE, 246 0, 247 "Intel 82801AA IDE Controller (ICH)", 248 piix_chip_map, 249 }, 250 { PCI_PRODUCT_INTEL_82801AB_IDE, 251 0, 252 "Intel 82801AB IDE Controller (ICH0)", 253 piix_chip_map, 254 }, 255 { 0, 256 0, 257 NULL, 258 } 259 }; 260 261 const struct pciide_product_desc pciide_amd_products[] = { 262 { PCI_PRODUCT_AMD_PBC756_IDE, 263 0, 264 "Advanced Micro Devices AMD756 IDE Controller", 265 amd756_chip_map 266 }, 267 { 0, 268 0, 269 NULL, 270 } 271 }; 272 273 const struct pciide_product_desc pciide_cmd_products[] = { 274 { PCI_PRODUCT_CMDTECH_640, 275 0, 276 "CMD Technology PCI0640", 277 cmd_chip_map 278 }, 279 { PCI_PRODUCT_CMDTECH_643, 280 0, 281 "CMD Technology PCI0643", 282 cmd0643_9_chip_map, 283 }, 284 { PCI_PRODUCT_CMDTECH_646, 285 0, 286 "CMD Technology PCI0646", 287 cmd0643_9_chip_map, 288 }, 289 { PCI_PRODUCT_CMDTECH_648, 290 IDE_PCI_CLASS_OVERRIDE, 291 "CMD Technology PCI0648", 292 cmd0643_9_chip_map, 293 }, 294 { PCI_PRODUCT_CMDTECH_649, 295 IDE_PCI_CLASS_OVERRIDE, 296 "CMD Technology PCI0649", 297 cmd0643_9_chip_map, 298 }, 299 { 0, 300 0, 301 NULL, 302 } 303 }; 304 305 const struct pciide_product_desc pciide_via_products[] = { 306 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 307 0, 308 "VIA Tech VT82C586 IDE Controller", 309 apollo_chip_map, 310 }, 311 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 312 0, 313 "VIA Tech VT82C586A IDE Controller", 314 apollo_chip_map, 315 }, 316 { 0, 317 0, 318 NULL, 319 } 320 }; 321 322 const struct pciide_product_desc pciide_cypress_products[] = { 323 { PCI_PRODUCT_CONTAQ_82C693, 324 0, 325 "Cypress 82C693 IDE Controller", 326 cy693_chip_map, 327 }, 328 { 0, 329 0, 330 NULL, 331 } 332 }; 333 334 const struct pciide_product_desc pciide_sis_products[] = { 335 { PCI_PRODUCT_SIS_5597_IDE, 336 0, 337 "Silicon Integrated System 5597/5598 IDE controller", 338 sis_chip_map, 339 }, 340 { 0, 341 0, 342 NULL, 343 } 344 }; 345 346 const struct pciide_product_desc pciide_acer_products[] = { 347 { PCI_PRODUCT_ALI_M5229, 348 0, 349 "Acer Labs M5229 UDMA IDE Controller", 350 acer_chip_map, 351 }, 352 { 0, 353 0, 354 NULL, 355 } 356 }; 357 358 const struct pciide_product_desc pciide_promise_products[] = { 359 { PCI_PRODUCT_PROMISE_ULTRA33, 360 IDE_PCI_CLASS_OVERRIDE, 361 "Promise Ultra33/ATA Bus Master IDE Accelerator", 362 pdc202xx_chip_map, 363 }, 364 { PCI_PRODUCT_PROMISE_ULTRA66, 365 IDE_PCI_CLASS_OVERRIDE, 366 "Promise Ultra66/ATA Bus Master IDE Accelerator", 367 pdc202xx_chip_map, 368 }, 369 { 0, 370 0, 371 NULL, 372 } 373 }; 374 375 const struct pciide_product_desc pciide_opti_products[] = { 376 { PCI_PRODUCT_OPTI_82C621, 377 0, 378 "OPTi 82c621 PCI IDE controller", 379 opti_chip_map, 380 }, 381 { PCI_PRODUCT_OPTI_82C568, 382 0, 383 "OPTi 82c568 (82c621 compatible) PCI IDE controller", 384 opti_chip_map, 385 }, 386 { PCI_PRODUCT_OPTI_82D568, 387 0, 388 "OPTi 82d568 (82c621 compatible) PCI IDE controller", 389 opti_chip_map, 390 }, 391 { 0, 392 0, 393 NULL, 394 } 395 }; 396 397 const struct pciide_product_desc pciide_triones_products[] = { 398 { PCI_PRODUCT_TRIONES_HPT366, 399 IDE_PCI_CLASS_OVERRIDE, 400 "Triones/Highpoint HPT366/370 IDE Controller", 401 hpt_chip_map, 402 }, 403 { 0, 404 0, 405 NULL, 406 } 407 }; 408 409 struct pciide_vendor_desc { 410 u_int32_t ide_vendor; 411 const struct pciide_product_desc *ide_products; 412 }; 413 414 const struct pciide_vendor_desc pciide_vendors[] = { 415 { PCI_VENDOR_INTEL, pciide_intel_products }, 416 { PCI_VENDOR_CMDTECH, pciide_cmd_products }, 417 { PCI_VENDOR_VIATECH, pciide_via_products }, 418 { PCI_VENDOR_CONTAQ, pciide_cypress_products }, 419 { PCI_VENDOR_SIS, pciide_sis_products }, 420 { PCI_VENDOR_ALI, pciide_acer_products }, 421 { PCI_VENDOR_PROMISE, pciide_promise_products }, 422 { PCI_VENDOR_AMD, pciide_amd_products }, 423 { PCI_VENDOR_OPTI, pciide_opti_products }, 424 { PCI_VENDOR_TRIONES, pciide_triones_products }, 425 { 0, NULL } 426 }; 427 428 /* options passed via the 'flags' config keyword */ 429 #define PCIIDE_OPTIONS_DMA 0x01 430 431 int pciide_match __P((struct device *, struct cfdata *, void *)); 432 void pciide_attach __P((struct device *, struct device *, void *)); 433 434 struct cfattach pciide_ca = { 435 sizeof(struct pciide_softc), pciide_match, pciide_attach 436 }; 437 int pciide_chipen __P((struct pciide_softc *, struct pci_attach_args *)); 438 int pciide_mapregs_compat __P(( struct pci_attach_args *, 439 struct pciide_channel *, int, bus_size_t *, bus_size_t*)); 440 int pciide_mapregs_native __P((struct pci_attach_args *, 441 struct pciide_channel *, bus_size_t *, bus_size_t *, 442 int (*pci_intr) __P((void *)))); 443 void pciide_mapreg_dma __P((struct pciide_softc *, 444 struct pci_attach_args *)); 445 int pciide_chansetup __P((struct pciide_softc *, int, pcireg_t)); 446 void pciide_mapchan __P((struct pci_attach_args *, 447 struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, 448 int (*pci_intr) __P((void *)))); 449 int pciide_chan_candisable __P((struct pciide_channel *)); 450 void pciide_map_compat_intr __P(( struct pci_attach_args *, 451 struct pciide_channel *, int, int)); 452 int pciide_print __P((void *, const char *pnp)); 453 int pciide_compat_intr __P((void *)); 454 int pciide_pci_intr __P((void *)); 455 const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t)); 456 457 const struct pciide_product_desc * 458 pciide_lookup_product(id) 459 u_int32_t id; 460 { 461 const struct pciide_product_desc *pp; 462 const struct pciide_vendor_desc *vp; 463 464 for (vp = pciide_vendors; vp->ide_products != NULL; vp++) 465 if (PCI_VENDOR(id) == vp->ide_vendor) 466 break; 467 468 if ((pp = vp->ide_products) == NULL) 469 return NULL; 470 471 for (; pp->ide_name != NULL; pp++) 472 if (PCI_PRODUCT(id) == pp->ide_product) 473 break; 474 475 if (pp->ide_name == NULL) 476 return NULL; 477 return pp; 478 } 479 480 int 481 pciide_match(parent, match, aux) 482 struct device *parent; 483 struct cfdata *match; 484 void *aux; 485 { 486 struct pci_attach_args *pa = aux; 487 const struct pciide_product_desc *pp; 488 489 /* 490 * Check the ID register to see that it's a PCI IDE controller. 491 * If it is, we assume that we can deal with it; it _should_ 492 * work in a standardized way... 493 */ 494 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 495 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 496 return (1); 497 } 498 499 /* 500 * Some controllers (e.g. promise Utra-33) don't claim to be PCI IDE 501 * controllers. Let see if we can deal with it anyway. 502 */ 503 pp = pciide_lookup_product(pa->pa_id); 504 if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { 505 return (1); 506 } 507 508 return (0); 509 } 510 511 void 512 pciide_attach(parent, self, aux) 513 struct device *parent, *self; 514 void *aux; 515 { 516 struct pci_attach_args *pa = aux; 517 pci_chipset_tag_t pc = pa->pa_pc; 518 pcitag_t tag = pa->pa_tag; 519 struct pciide_softc *sc = (struct pciide_softc *)self; 520 pcireg_t csr; 521 char devinfo[256]; 522 const char *displaydev; 523 524 sc->sc_pp = pciide_lookup_product(pa->pa_id); 525 if (sc->sc_pp == NULL) { 526 sc->sc_pp = &default_product_desc; 527 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 528 displaydev = devinfo; 529 } else 530 displaydev = sc->sc_pp->ide_name; 531 532 printf(": %s (rev. 0x%02x)\n", displaydev, PCI_REVISION(pa->pa_class)); 533 534 sc->sc_pc = pa->pa_pc; 535 sc->sc_tag = pa->pa_tag; 536 #ifdef WDCDEBUG 537 if (wdcdebug_pciide_mask & DEBUG_PROBE) 538 pci_conf_print(sc->sc_pc, sc->sc_tag, NULL); 539 #endif 540 sc->sc_pp->chip_map(sc, pa); 541 542 if (sc->sc_dma_ok) { 543 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 544 csr |= PCI_COMMAND_MASTER_ENABLE; 545 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 546 } 547 WDCDEBUG_PRINT(("pciide: command/status register=%x\n", 548 pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); 549 } 550 551 /* tell wether the chip is enabled or not */ 552 int 553 pciide_chipen(sc, pa) 554 struct pciide_softc *sc; 555 struct pci_attach_args *pa; 556 { 557 pcireg_t csr; 558 if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) { 559 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 560 PCI_COMMAND_STATUS_REG); 561 printf("%s: device disabled (at %s)\n", 562 sc->sc_wdcdev.sc_dev.dv_xname, 563 (csr & PCI_COMMAND_IO_ENABLE) == 0 ? 564 "device" : "bridge"); 565 return 0; 566 } 567 return 1; 568 } 569 570 int 571 pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep) 572 struct pci_attach_args *pa; 573 struct pciide_channel *cp; 574 int compatchan; 575 bus_size_t *cmdsizep, *ctlsizep; 576 { 577 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 578 struct channel_softc *wdc_cp = &cp->wdc_channel; 579 580 cp->compat = 1; 581 *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; 582 *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; 583 584 wdc_cp->cmd_iot = pa->pa_iot; 585 if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), 586 PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { 587 printf("%s: couldn't map %s channel cmd regs\n", 588 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 589 return (0); 590 } 591 592 wdc_cp->ctl_iot = pa->pa_iot; 593 if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), 594 PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { 595 printf("%s: couldn't map %s channel ctl regs\n", 596 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 597 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, 598 PCIIDE_COMPAT_CMD_SIZE); 599 return (0); 600 } 601 602 return (1); 603 } 604 605 int 606 pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr) 607 struct pci_attach_args * pa; 608 struct pciide_channel *cp; 609 bus_size_t *cmdsizep, *ctlsizep; 610 int (*pci_intr) __P((void *)); 611 { 612 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 613 struct channel_softc *wdc_cp = &cp->wdc_channel; 614 const char *intrstr; 615 pci_intr_handle_t intrhandle; 616 617 cp->compat = 0; 618 619 if (sc->sc_pci_ih == NULL) { 620 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 621 pa->pa_intrline, &intrhandle) != 0) { 622 printf("%s: couldn't map native-PCI interrupt\n", 623 sc->sc_wdcdev.sc_dev.dv_xname); 624 return 0; 625 } 626 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 627 sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, 628 intrhandle, IPL_BIO, pci_intr, sc); 629 if (sc->sc_pci_ih != NULL) { 630 printf("%s: using %s for native-PCI interrupt\n", 631 sc->sc_wdcdev.sc_dev.dv_xname, 632 intrstr ? intrstr : "unknown interrupt"); 633 } else { 634 printf("%s: couldn't establish native-PCI interrupt", 635 sc->sc_wdcdev.sc_dev.dv_xname); 636 if (intrstr != NULL) 637 printf(" at %s", intrstr); 638 printf("\n"); 639 return 0; 640 } 641 } 642 cp->ih = sc->sc_pci_ih; 643 if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), 644 PCI_MAPREG_TYPE_IO, 0, 645 &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) { 646 printf("%s: couldn't map %s channel cmd regs\n", 647 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 648 return 0; 649 } 650 651 if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), 652 PCI_MAPREG_TYPE_IO, 0, 653 &wdc_cp->ctl_iot, &wdc_cp->ctl_ioh, NULL, ctlsizep) != 0) { 654 printf("%s: couldn't map %s channel ctl regs\n", 655 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 656 bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); 657 return 0; 658 } 659 return (1); 660 } 661 662 void 663 pciide_mapreg_dma(sc, pa) 664 struct pciide_softc *sc; 665 struct pci_attach_args *pa; 666 { 667 pcireg_t maptype; 668 669 /* 670 * Map DMA registers 671 * 672 * Note that sc_dma_ok is the right variable to test to see if 673 * DMA can be done. If the interface doesn't support DMA, 674 * sc_dma_ok will never be non-zero. If the DMA regs couldn't 675 * be mapped, it'll be zero. I.e., sc_dma_ok will only be 676 * non-zero if the interface supports DMA and the registers 677 * could be mapped. 678 * 679 * XXX Note that despite the fact that the Bus Master IDE specs 680 * XXX say that "The bus master IDE function uses 16 bytes of IO 681 * XXX space," some controllers (at least the United 682 * XXX Microelectronics UM8886BF) place it in memory space. 683 */ 684 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, 685 PCIIDE_REG_BUS_MASTER_DMA); 686 687 switch (maptype) { 688 case PCI_MAPREG_TYPE_IO: 689 case PCI_MAPREG_MEM_TYPE_32BIT: 690 sc->sc_dma_ok = (pci_mapreg_map(pa, 691 PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, 692 &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0); 693 sc->sc_dmat = pa->pa_dmat; 694 if (sc->sc_dma_ok == 0) { 695 printf(", but unused (couldn't map registers)"); 696 } else { 697 sc->sc_wdcdev.dma_arg = sc; 698 sc->sc_wdcdev.dma_init = pciide_dma_init; 699 sc->sc_wdcdev.dma_start = pciide_dma_start; 700 sc->sc_wdcdev.dma_finish = pciide_dma_finish; 701 } 702 break; 703 704 default: 705 sc->sc_dma_ok = 0; 706 printf(", but unsupported register maptype (0x%x)", maptype); 707 } 708 } 709 710 int 711 pciide_compat_intr(arg) 712 void *arg; 713 { 714 struct pciide_channel *cp = arg; 715 716 #ifdef DIAGNOSTIC 717 /* should only be called for a compat channel */ 718 if (cp->compat == 0) 719 panic("pciide compat intr called for non-compat chan %p\n", cp); 720 #endif 721 return (wdcintr(&cp->wdc_channel)); 722 } 723 724 int 725 pciide_pci_intr(arg) 726 void *arg; 727 { 728 struct pciide_softc *sc = arg; 729 struct pciide_channel *cp; 730 struct channel_softc *wdc_cp; 731 int i, rv, crv; 732 733 rv = 0; 734 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 735 cp = &sc->pciide_channels[i]; 736 wdc_cp = &cp->wdc_channel; 737 738 /* If a compat channel skip. */ 739 if (cp->compat) 740 continue; 741 /* if this channel not waiting for intr, skip */ 742 if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) 743 continue; 744 745 crv = wdcintr(wdc_cp); 746 if (crv == 0) 747 ; /* leave rv alone */ 748 else if (crv == 1) 749 rv = 1; /* claim the intr */ 750 else if (rv == 0) /* crv should be -1 in this case */ 751 rv = crv; /* if we've done no better, take it */ 752 } 753 return (rv); 754 } 755 756 void 757 pciide_channel_dma_setup(cp) 758 struct pciide_channel *cp; 759 { 760 int drive; 761 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 762 struct ata_drive_datas *drvp; 763 764 for (drive = 0; drive < 2; drive++) { 765 drvp = &cp->wdc_channel.ch_drive[drive]; 766 /* If no drive, skip */ 767 if ((drvp->drive_flags & DRIVE) == 0) 768 continue; 769 /* setup DMA if needed */ 770 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 771 (drvp->drive_flags & DRIVE_UDMA) == 0) || 772 sc->sc_dma_ok == 0) { 773 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 774 continue; 775 } 776 if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) 777 != 0) { 778 /* Abort DMA setup */ 779 drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); 780 continue; 781 } 782 } 783 } 784 785 int 786 pciide_dma_table_setup(sc, channel, drive) 787 struct pciide_softc *sc; 788 int channel, drive; 789 { 790 bus_dma_segment_t seg; 791 int error, rseg; 792 const bus_size_t dma_table_size = 793 sizeof(struct idedma_table) * NIDEDMA_TABLES; 794 struct pciide_dma_maps *dma_maps = 795 &sc->pciide_channels[channel].dma_maps[drive]; 796 797 /* If table was already allocated, just return */ 798 if (dma_maps->dma_table) 799 return 0; 800 801 /* Allocate memory for the DMA tables and map it */ 802 if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, 803 IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, 804 BUS_DMA_NOWAIT)) != 0) { 805 printf("%s:%d: unable to allocate table DMA for " 806 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 807 channel, drive, error); 808 return error; 809 } 810 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 811 dma_table_size, 812 (caddr_t *)&dma_maps->dma_table, 813 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 814 printf("%s:%d: unable to map table DMA for" 815 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 816 channel, drive, error); 817 return error; 818 } 819 WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, " 820 "phy 0x%lx\n", dma_maps->dma_table, dma_table_size, 821 seg.ds_addr), DEBUG_PROBE); 822 823 /* Create and load table DMA map for this disk */ 824 if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 825 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, 826 &dma_maps->dmamap_table)) != 0) { 827 printf("%s:%d: unable to create table DMA map for " 828 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 829 channel, drive, error); 830 return error; 831 } 832 if ((error = bus_dmamap_load(sc->sc_dmat, 833 dma_maps->dmamap_table, 834 dma_maps->dma_table, 835 dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { 836 printf("%s:%d: unable to load table DMA map for " 837 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 838 channel, drive, error); 839 return error; 840 } 841 WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", 842 dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE); 843 /* Create a xfer DMA map for this drive */ 844 if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, 845 NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN, 846 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 847 &dma_maps->dmamap_xfer)) != 0) { 848 printf("%s:%d: unable to create xfer DMA map for " 849 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 850 channel, drive, error); 851 return error; 852 } 853 return 0; 854 } 855 856 int 857 pciide_dma_init(v, channel, drive, databuf, datalen, flags) 858 void *v; 859 int channel, drive; 860 void *databuf; 861 size_t datalen; 862 int flags; 863 { 864 struct pciide_softc *sc = v; 865 int error, seg; 866 struct pciide_dma_maps *dma_maps = 867 &sc->pciide_channels[channel].dma_maps[drive]; 868 869 error = bus_dmamap_load(sc->sc_dmat, 870 dma_maps->dmamap_xfer, 871 databuf, datalen, NULL, BUS_DMA_NOWAIT); 872 if (error) { 873 printf("%s:%d: unable to load xfer DMA map for" 874 "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, 875 channel, drive, error); 876 return error; 877 } 878 879 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 880 dma_maps->dmamap_xfer->dm_mapsize, 881 (flags & WDC_DMA_READ) ? 882 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 883 884 for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { 885 #ifdef DIAGNOSTIC 886 /* A segment must not cross a 64k boundary */ 887 { 888 u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; 889 u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; 890 if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != 891 ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { 892 printf("pciide_dma: segment %d physical addr 0x%lx" 893 " len 0x%lx not properly aligned\n", 894 seg, phys, len); 895 panic("pciide_dma: buf align"); 896 } 897 } 898 #endif 899 dma_maps->dma_table[seg].base_addr = 900 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); 901 dma_maps->dma_table[seg].byte_count = 902 htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & 903 IDEDMA_BYTE_COUNT_MASK); 904 WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", 905 seg, le32toh(dma_maps->dma_table[seg].byte_count), 906 le32toh(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); 907 908 } 909 dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= 910 htole32(IDEDMA_BYTE_COUNT_EOT); 911 912 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, 913 dma_maps->dmamap_table->dm_mapsize, 914 BUS_DMASYNC_PREWRITE); 915 916 /* Maps are ready. Start DMA function */ 917 #ifdef DIAGNOSTIC 918 if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { 919 printf("pciide_dma_init: addr 0x%lx not properly aligned\n", 920 dma_maps->dmamap_table->dm_segs[0].ds_addr); 921 panic("pciide_dma_init: table align"); 922 } 923 #endif 924 925 /* Clear status bits */ 926 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 927 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel, 928 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 929 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel)); 930 /* Write table addr */ 931 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 932 IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel, 933 dma_maps->dmamap_table->dm_segs[0].ds_addr); 934 /* set read/write */ 935 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 936 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 937 (flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0); 938 /* remember flags */ 939 dma_maps->dma_flags = flags; 940 return 0; 941 } 942 943 void 944 pciide_dma_start(v, channel, drive) 945 void *v; 946 int channel, drive; 947 { 948 struct pciide_softc *sc = v; 949 950 WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS); 951 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 952 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 953 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 954 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START); 955 } 956 957 int 958 pciide_dma_finish(v, channel, drive, force) 959 void *v; 960 int channel, drive; 961 int force; 962 { 963 struct pciide_softc *sc = v; 964 u_int8_t status; 965 int error = 0; 966 struct pciide_dma_maps *dma_maps = 967 &sc->pciide_channels[channel].dma_maps[drive]; 968 969 status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 970 IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel); 971 WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), 972 DEBUG_XFERS); 973 974 if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) 975 return WDC_DMAST_NOIRQ; 976 977 /* stop DMA channel */ 978 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 979 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel, 980 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 981 IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START); 982 983 /* Unload the map of the data buffer */ 984 bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, 985 dma_maps->dmamap_xfer->dm_mapsize, 986 (dma_maps->dma_flags & WDC_DMA_READ) ? 987 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 988 bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); 989 990 if ((status & IDEDMA_CTL_ERR) != 0) { 991 printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", 992 sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); 993 error |= WDC_DMAST_ERR; 994 } 995 996 if ((status & IDEDMA_CTL_INTR) == 0) { 997 printf("%s:%d:%d: bus-master DMA error: missing interrupt, " 998 "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, 999 drive, status); 1000 error |= WDC_DMAST_NOIRQ; 1001 } 1002 1003 if ((status & IDEDMA_CTL_ACT) != 0) { 1004 /* data underrun, may be a valid condition for ATAPI */ 1005 error |= WDC_DMAST_UNDER; 1006 } 1007 return error; 1008 } 1009 1010 void 1011 pciide_irqack(chp) 1012 struct channel_softc *chp; 1013 { 1014 struct pciide_channel *cp = (struct pciide_channel*)chp; 1015 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1016 1017 /* clear status bits in IDE DMA registers */ 1018 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1019 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel, 1020 bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1021 IDEDMA_CTL + IDEDMA_SCH_OFFSET * chp->channel)); 1022 } 1023 1024 /* some common code used by several chip_map */ 1025 int 1026 pciide_chansetup(sc, channel, interface) 1027 struct pciide_softc *sc; 1028 int channel; 1029 pcireg_t interface; 1030 { 1031 struct pciide_channel *cp = &sc->pciide_channels[channel]; 1032 sc->wdc_chanarray[channel] = &cp->wdc_channel; 1033 cp->name = PCIIDE_CHANNEL_NAME(channel); 1034 cp->wdc_channel.channel = channel; 1035 cp->wdc_channel.wdc = &sc->sc_wdcdev; 1036 cp->wdc_channel.ch_queue = 1037 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 1038 if (cp->wdc_channel.ch_queue == NULL) { 1039 printf("%s %s channel: " 1040 "can't allocate memory for command queue", 1041 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1042 return 0; 1043 } 1044 printf("%s: %s channel %s to %s mode\n", 1045 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1046 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 1047 "configured" : "wired", 1048 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 1049 "native-PCI" : "compatibility"); 1050 return 1; 1051 } 1052 1053 /* some common code used by several chip channel_map */ 1054 void 1055 pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep, pci_intr) 1056 struct pci_attach_args *pa; 1057 struct pciide_channel *cp; 1058 pcireg_t interface; 1059 bus_size_t *cmdsizep, *ctlsizep; 1060 int (*pci_intr) __P((void *)); 1061 { 1062 struct channel_softc *wdc_cp = &cp->wdc_channel; 1063 1064 if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) 1065 cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, 1066 pci_intr); 1067 else 1068 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1069 wdc_cp->channel, cmdsizep, ctlsizep); 1070 1071 if (cp->hw_ok == 0) 1072 return; 1073 wdc_cp->data32iot = wdc_cp->cmd_iot; 1074 wdc_cp->data32ioh = wdc_cp->cmd_ioh; 1075 wdcattach(wdc_cp); 1076 } 1077 1078 /* 1079 * Generic code to call to know if a channel can be disabled. Return 1 1080 * if channel can be disabled, 0 if not 1081 */ 1082 int 1083 pciide_chan_candisable(cp) 1084 struct pciide_channel *cp; 1085 { 1086 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1087 struct channel_softc *wdc_cp = &cp->wdc_channel; 1088 1089 if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && 1090 (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { 1091 printf("%s: disabling %s channel (no drives)\n", 1092 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1093 cp->hw_ok = 0; 1094 return 1; 1095 } 1096 return 0; 1097 } 1098 1099 /* 1100 * generic code to map the compat intr if hw_ok=1 and it is a compat channel. 1101 * Set hw_ok=0 on failure 1102 */ 1103 void 1104 pciide_map_compat_intr(pa, cp, compatchan, interface) 1105 struct pci_attach_args *pa; 1106 struct pciide_channel *cp; 1107 int compatchan, interface; 1108 { 1109 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1110 struct channel_softc *wdc_cp = &cp->wdc_channel; 1111 1112 if (cp->hw_ok == 0) 1113 return; 1114 if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) 1115 return; 1116 1117 cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, 1118 pa, compatchan, pciide_compat_intr, cp); 1119 if (cp->ih == NULL) { 1120 printf("%s: no compatibility interrupt for use by %s " 1121 "channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1122 cp->hw_ok = 0; 1123 } 1124 } 1125 1126 void 1127 pciide_print_modes(cp) 1128 struct pciide_channel *cp; 1129 { 1130 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1131 int drive; 1132 struct channel_softc *chp; 1133 struct ata_drive_datas *drvp; 1134 1135 chp = &cp->wdc_channel; 1136 for (drive = 0; drive < 2; drive++) { 1137 drvp = &chp->ch_drive[drive]; 1138 if ((drvp->drive_flags & DRIVE) == 0) 1139 continue; 1140 printf("%s(%s:%d:%d): using PIO mode %d", 1141 drvp->drv_softc->dv_xname, 1142 sc->sc_wdcdev.sc_dev.dv_xname, 1143 chp->channel, drive, drvp->PIO_mode); 1144 if (drvp->drive_flags & DRIVE_DMA) 1145 printf(", DMA mode %d", drvp->DMA_mode); 1146 if (drvp->drive_flags & DRIVE_UDMA) 1147 printf(", Ultra-DMA mode %d", drvp->UDMA_mode); 1148 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) 1149 printf(" (using DMA data transfers)"); 1150 printf("\n"); 1151 } 1152 } 1153 1154 void 1155 default_chip_map(sc, pa) 1156 struct pciide_softc *sc; 1157 struct pci_attach_args *pa; 1158 { 1159 struct pciide_channel *cp; 1160 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1161 pcireg_t csr; 1162 int channel, drive; 1163 struct ata_drive_datas *drvp; 1164 u_int8_t idedma_ctl; 1165 bus_size_t cmdsize, ctlsize; 1166 char *failreason; 1167 1168 if (pciide_chipen(sc, pa) == 0) 1169 return; 1170 1171 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 1172 printf("%s: bus-master DMA support present", 1173 sc->sc_wdcdev.sc_dev.dv_xname); 1174 if (sc->sc_pp == &default_product_desc && 1175 (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & 1176 PCIIDE_OPTIONS_DMA) == 0) { 1177 printf(", but unused (no driver support)"); 1178 sc->sc_dma_ok = 0; 1179 } else { 1180 pciide_mapreg_dma(sc, pa); 1181 if (sc->sc_dma_ok != 0) 1182 printf(", used without full driver " 1183 "support"); 1184 } 1185 } else { 1186 printf("%s: hardware does not support DMA", 1187 sc->sc_wdcdev.sc_dev.dv_xname); 1188 sc->sc_dma_ok = 0; 1189 } 1190 printf("\n"); 1191 if (sc->sc_dma_ok) { 1192 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1193 sc->sc_wdcdev.irqack = pciide_irqack; 1194 } 1195 sc->sc_wdcdev.PIO_cap = 0; 1196 sc->sc_wdcdev.DMA_cap = 0; 1197 1198 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1199 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1200 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 1201 1202 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1203 cp = &sc->pciide_channels[channel]; 1204 if (pciide_chansetup(sc, channel, interface) == 0) 1205 continue; 1206 if (interface & PCIIDE_INTERFACE_PCI(channel)) { 1207 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 1208 &ctlsize, pciide_pci_intr); 1209 } else { 1210 cp->hw_ok = pciide_mapregs_compat(pa, cp, 1211 channel, &cmdsize, &ctlsize); 1212 } 1213 if (cp->hw_ok == 0) 1214 continue; 1215 /* 1216 * Check to see if something appears to be there. 1217 */ 1218 failreason = NULL; 1219 if (!wdcprobe(&cp->wdc_channel)) { 1220 failreason = "not responding; disabled or no drives?"; 1221 goto next; 1222 } 1223 /* 1224 * Now, make sure it's actually attributable to this PCI IDE 1225 * channel by trying to access the channel again while the 1226 * PCI IDE controller's I/O space is disabled. (If the 1227 * channel no longer appears to be there, it belongs to 1228 * this controller.) YUCK! 1229 */ 1230 csr = pci_conf_read(sc->sc_pc, sc->sc_tag, 1231 PCI_COMMAND_STATUS_REG); 1232 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 1233 csr & ~PCI_COMMAND_IO_ENABLE); 1234 if (wdcprobe(&cp->wdc_channel)) 1235 failreason = "other hardware responding at addresses"; 1236 pci_conf_write(sc->sc_pc, sc->sc_tag, 1237 PCI_COMMAND_STATUS_REG, csr); 1238 next: 1239 if (failreason) { 1240 printf("%s: %s channel ignored (%s)\n", 1241 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 1242 failreason); 1243 cp->hw_ok = 0; 1244 bus_space_unmap(cp->wdc_channel.cmd_iot, 1245 cp->wdc_channel.cmd_ioh, cmdsize); 1246 bus_space_unmap(cp->wdc_channel.ctl_iot, 1247 cp->wdc_channel.ctl_ioh, ctlsize); 1248 } else { 1249 pciide_map_compat_intr(pa, cp, channel, interface); 1250 } 1251 if (cp->hw_ok) { 1252 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 1253 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 1254 wdcattach(&cp->wdc_channel); 1255 } 1256 } 1257 1258 if (sc->sc_dma_ok == 0) 1259 return; 1260 1261 /* Allocate DMA maps */ 1262 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1263 idedma_ctl = 0; 1264 cp = &sc->pciide_channels[channel]; 1265 for (drive = 0; drive < 2; drive++) { 1266 drvp = &cp->wdc_channel.ch_drive[drive]; 1267 /* If no drive, skip */ 1268 if ((drvp->drive_flags & DRIVE) == 0) 1269 continue; 1270 if ((drvp->drive_flags & DRIVE_DMA) == 0) 1271 continue; 1272 if (pciide_dma_table_setup(sc, channel, drive) != 0) { 1273 /* Abort DMA setup */ 1274 printf("%s:%d:%d: can't allocate DMA maps, " 1275 "using PIO transfers\n", 1276 sc->sc_wdcdev.sc_dev.dv_xname, 1277 channel, drive); 1278 drvp->drive_flags &= ~DRIVE_DMA; 1279 } 1280 printf("%s:%d:%d: using DMA data transfers\n", 1281 sc->sc_wdcdev.sc_dev.dv_xname, 1282 channel, drive); 1283 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1284 } 1285 if (idedma_ctl != 0) { 1286 /* Add software bits in status register */ 1287 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1288 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1289 idedma_ctl); 1290 } 1291 } 1292 } 1293 1294 void 1295 piix_chip_map(sc, pa) 1296 struct pciide_softc *sc; 1297 struct pci_attach_args *pa; 1298 { 1299 struct pciide_channel *cp; 1300 int channel; 1301 u_int32_t idetim; 1302 bus_size_t cmdsize, ctlsize; 1303 1304 if (pciide_chipen(sc, pa) == 0) 1305 return; 1306 1307 printf("%s: bus-master DMA support present", 1308 sc->sc_wdcdev.sc_dev.dv_xname); 1309 pciide_mapreg_dma(sc, pa); 1310 printf("\n"); 1311 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1312 WDC_CAPABILITY_MODE; 1313 if (sc->sc_dma_ok) { 1314 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1315 sc->sc_wdcdev.irqack = pciide_irqack; 1316 switch(sc->sc_pp->ide_product) { 1317 case PCI_PRODUCT_INTEL_82371AB_IDE: 1318 case PCI_PRODUCT_INTEL_82801AA_IDE: 1319 case PCI_PRODUCT_INTEL_82801AB_IDE: 1320 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1321 } 1322 } 1323 sc->sc_wdcdev.PIO_cap = 4; 1324 sc->sc_wdcdev.DMA_cap = 2; 1325 sc->sc_wdcdev.UDMA_cap = 1326 (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) ? 4 : 2; 1327 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) 1328 sc->sc_wdcdev.set_modes = piix_setup_channel; 1329 else 1330 sc->sc_wdcdev.set_modes = piix3_4_setup_channel; 1331 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1332 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1333 1334 WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", 1335 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1336 DEBUG_PROBE); 1337 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1338 WDCDEBUG_PRINT((", sidetim=0x%x", 1339 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1340 DEBUG_PROBE); 1341 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1342 WDCDEBUG_PRINT((", udamreg 0x%x", 1343 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1344 DEBUG_PROBE); 1345 } 1346 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1347 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE) { 1348 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1349 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1350 DEBUG_PROBE); 1351 } 1352 1353 } 1354 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1355 1356 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1357 cp = &sc->pciide_channels[channel]; 1358 /* PIIX is compat-only */ 1359 if (pciide_chansetup(sc, channel, 0) == 0) 1360 continue; 1361 idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1362 if ((PIIX_IDETIM_READ(idetim, channel) & 1363 PIIX_IDETIM_IDE) == 0) { 1364 printf("%s: %s channel ignored (disabled)\n", 1365 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1366 continue; 1367 } 1368 /* PIIX are compat-only pciide devices */ 1369 pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); 1370 if (cp->hw_ok == 0) 1371 continue; 1372 if (pciide_chan_candisable(cp)) { 1373 idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, 1374 channel); 1375 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, 1376 idetim); 1377 } 1378 pciide_map_compat_intr(pa, cp, channel, 0); 1379 if (cp->hw_ok == 0) 1380 continue; 1381 sc->sc_wdcdev.set_modes(&cp->wdc_channel); 1382 } 1383 1384 WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", 1385 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), 1386 DEBUG_PROBE); 1387 if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { 1388 WDCDEBUG_PRINT((", sidetim=0x%x", 1389 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), 1390 DEBUG_PROBE); 1391 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 1392 WDCDEBUG_PRINT((", udamreg 0x%x", 1393 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), 1394 DEBUG_PROBE); 1395 } 1396 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1397 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE) { 1398 WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", 1399 pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), 1400 DEBUG_PROBE); 1401 } 1402 } 1403 WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); 1404 } 1405 1406 void 1407 piix_setup_channel(chp) 1408 struct channel_softc *chp; 1409 { 1410 u_int8_t mode[2], drive; 1411 u_int32_t oidetim, idetim, idedma_ctl; 1412 struct pciide_channel *cp = (struct pciide_channel*)chp; 1413 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1414 struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; 1415 1416 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1417 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); 1418 idedma_ctl = 0; 1419 1420 /* set up new idetim: Enable IDE registers decode */ 1421 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, 1422 chp->channel); 1423 1424 /* setup DMA */ 1425 pciide_channel_dma_setup(cp); 1426 1427 /* 1428 * Here we have to mess up with drives mode: PIIX can't have 1429 * different timings for master and slave drives. 1430 * We need to find the best combination. 1431 */ 1432 1433 /* If both drives supports DMA, take the lower mode */ 1434 if ((drvp[0].drive_flags & DRIVE_DMA) && 1435 (drvp[1].drive_flags & DRIVE_DMA)) { 1436 mode[0] = mode[1] = 1437 min(drvp[0].DMA_mode, drvp[1].DMA_mode); 1438 drvp[0].DMA_mode = mode[0]; 1439 drvp[1].DMA_mode = mode[1]; 1440 goto ok; 1441 } 1442 /* 1443 * If only one drive supports DMA, use its mode, and 1444 * put the other one in PIO mode 0 if mode not compatible 1445 */ 1446 if (drvp[0].drive_flags & DRIVE_DMA) { 1447 mode[0] = drvp[0].DMA_mode; 1448 mode[1] = drvp[1].PIO_mode; 1449 if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || 1450 piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) 1451 mode[1] = drvp[1].PIO_mode = 0; 1452 goto ok; 1453 } 1454 if (drvp[1].drive_flags & DRIVE_DMA) { 1455 mode[1] = drvp[1].DMA_mode; 1456 mode[0] = drvp[0].PIO_mode; 1457 if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || 1458 piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) 1459 mode[0] = drvp[0].PIO_mode = 0; 1460 goto ok; 1461 } 1462 /* 1463 * If both drives are not DMA, takes the lower mode, unless 1464 * one of them is PIO mode < 2 1465 */ 1466 if (drvp[0].PIO_mode < 2) { 1467 mode[0] = drvp[0].PIO_mode = 0; 1468 mode[1] = drvp[1].PIO_mode; 1469 } else if (drvp[1].PIO_mode < 2) { 1470 mode[1] = drvp[1].PIO_mode = 0; 1471 mode[0] = drvp[0].PIO_mode; 1472 } else { 1473 mode[0] = mode[1] = 1474 min(drvp[1].PIO_mode, drvp[0].PIO_mode); 1475 drvp[0].PIO_mode = mode[0]; 1476 drvp[1].PIO_mode = mode[1]; 1477 } 1478 ok: /* The modes are setup */ 1479 for (drive = 0; drive < 2; drive++) { 1480 if (drvp[drive].drive_flags & DRIVE_DMA) { 1481 idetim |= piix_setup_idetim_timings( 1482 mode[drive], 1, chp->channel); 1483 goto end; 1484 } 1485 } 1486 /* If we are there, none of the drives are DMA */ 1487 if (mode[0] >= 2) 1488 idetim |= piix_setup_idetim_timings( 1489 mode[0], 0, chp->channel); 1490 else 1491 idetim |= piix_setup_idetim_timings( 1492 mode[1], 0, chp->channel); 1493 end: /* 1494 * timing mode is now set up in the controller. Enable 1495 * it per-drive 1496 */ 1497 for (drive = 0; drive < 2; drive++) { 1498 /* If no drive, skip */ 1499 if ((drvp[drive].drive_flags & DRIVE) == 0) 1500 continue; 1501 idetim |= piix_setup_idetim_drvs(&drvp[drive]); 1502 if (drvp[drive].drive_flags & DRIVE_DMA) 1503 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1504 } 1505 if (idedma_ctl != 0) { 1506 /* Add software bits in status register */ 1507 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1508 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1509 idedma_ctl); 1510 } 1511 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1512 pciide_print_modes(cp); 1513 } 1514 1515 void 1516 piix3_4_setup_channel(chp) 1517 struct channel_softc *chp; 1518 { 1519 struct ata_drive_datas *drvp; 1520 u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; 1521 struct pciide_channel *cp = (struct pciide_channel*)chp; 1522 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1523 int drive; 1524 int channel = chp->channel; 1525 1526 oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); 1527 sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); 1528 udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); 1529 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); 1530 idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); 1531 sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | 1532 PIIX_SIDETIM_RTC_MASK(channel)); 1533 1534 idedma_ctl = 0; 1535 /* If channel disabled, no need to go further */ 1536 if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) 1537 return; 1538 /* set up new idetim: Enable IDE registers decode */ 1539 idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); 1540 1541 /* setup DMA if needed */ 1542 pciide_channel_dma_setup(cp); 1543 1544 for (drive = 0; drive < 2; drive++) { 1545 udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | 1546 PIIX_UDMATIM_SET(0x3, channel, drive)); 1547 drvp = &chp->ch_drive[drive]; 1548 /* If no drive, skip */ 1549 if ((drvp->drive_flags & DRIVE) == 0) 1550 continue; 1551 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1552 (drvp->drive_flags & DRIVE_UDMA) == 0)) 1553 goto pio; 1554 1555 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || 1556 sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE) { 1557 ideconf |= PIIX_CONFIG_PINGPONG; 1558 } 1559 if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { 1560 /* setup Ultra/66 */ 1561 if (drvp->UDMA_mode > 2 && 1562 (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) 1563 drvp->UDMA_mode = 2; 1564 if (drvp->UDMA_mode > 2) 1565 ideconf |= PIIX_CONFIG_UDMA66(channel, drive); 1566 else 1567 ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); 1568 } 1569 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1570 (drvp->drive_flags & DRIVE_UDMA)) { 1571 /* use Ultra/DMA */ 1572 drvp->drive_flags &= ~DRIVE_DMA; 1573 udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); 1574 udmareg |= PIIX_UDMATIM_SET( 1575 piix4_sct_udma[drvp->UDMA_mode], channel, drive); 1576 } else { 1577 /* use Multiword DMA */ 1578 drvp->drive_flags &= ~DRIVE_UDMA; 1579 if (drive == 0) { 1580 idetim |= piix_setup_idetim_timings( 1581 drvp->DMA_mode, 1, channel); 1582 } else { 1583 sidetim |= piix_setup_sidetim_timings( 1584 drvp->DMA_mode, 1, channel); 1585 idetim =PIIX_IDETIM_SET(idetim, 1586 PIIX_IDETIM_SITRE, channel); 1587 } 1588 } 1589 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1590 1591 pio: /* use PIO mode */ 1592 idetim |= piix_setup_idetim_drvs(drvp); 1593 if (drive == 0) { 1594 idetim |= piix_setup_idetim_timings( 1595 drvp->PIO_mode, 0, channel); 1596 } else { 1597 sidetim |= piix_setup_sidetim_timings( 1598 drvp->PIO_mode, 0, channel); 1599 idetim =PIIX_IDETIM_SET(idetim, 1600 PIIX_IDETIM_SITRE, channel); 1601 } 1602 } 1603 if (idedma_ctl != 0) { 1604 /* Add software bits in status register */ 1605 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1606 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel), 1607 idedma_ctl); 1608 } 1609 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); 1610 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); 1611 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); 1612 pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); 1613 pciide_print_modes(cp); 1614 } 1615 1616 1617 /* setup ISP and RTC fields, based on mode */ 1618 static u_int32_t 1619 piix_setup_idetim_timings(mode, dma, channel) 1620 u_int8_t mode; 1621 u_int8_t dma; 1622 u_int8_t channel; 1623 { 1624 1625 if (dma) 1626 return PIIX_IDETIM_SET(0, 1627 PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | 1628 PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), 1629 channel); 1630 else 1631 return PIIX_IDETIM_SET(0, 1632 PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | 1633 PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), 1634 channel); 1635 } 1636 1637 /* setup DTE, PPE, IE and TIME field based on PIO mode */ 1638 static u_int32_t 1639 piix_setup_idetim_drvs(drvp) 1640 struct ata_drive_datas *drvp; 1641 { 1642 u_int32_t ret = 0; 1643 struct channel_softc *chp = drvp->chnl_softc; 1644 u_int8_t channel = chp->channel; 1645 u_int8_t drive = drvp->drive; 1646 1647 /* 1648 * If drive is using UDMA, timings setups are independant 1649 * So just check DMA and PIO here. 1650 */ 1651 if (drvp->drive_flags & DRIVE_DMA) { 1652 /* if mode = DMA mode 0, use compatible timings */ 1653 if ((drvp->drive_flags & DRIVE_DMA) && 1654 drvp->DMA_mode == 0) { 1655 drvp->PIO_mode = 0; 1656 return ret; 1657 } 1658 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1659 /* 1660 * PIO and DMA timings are the same, use fast timings for PIO 1661 * too, else use compat timings. 1662 */ 1663 if ((piix_isp_pio[drvp->PIO_mode] != 1664 piix_isp_dma[drvp->DMA_mode]) || 1665 (piix_rtc_pio[drvp->PIO_mode] != 1666 piix_rtc_dma[drvp->DMA_mode])) 1667 drvp->PIO_mode = 0; 1668 /* if PIO mode <= 2, use compat timings for PIO */ 1669 if (drvp->PIO_mode <= 2) { 1670 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), 1671 channel); 1672 return ret; 1673 } 1674 } 1675 1676 /* 1677 * Now setup PIO modes. If mode < 2, use compat timings. 1678 * Else enable fast timings. Enable IORDY and prefetch/post 1679 * if PIO mode >= 3. 1680 */ 1681 1682 if (drvp->PIO_mode < 2) 1683 return ret; 1684 1685 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); 1686 if (drvp->PIO_mode >= 3) { 1687 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); 1688 ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); 1689 } 1690 return ret; 1691 } 1692 1693 /* setup values in SIDETIM registers, based on mode */ 1694 static u_int32_t 1695 piix_setup_sidetim_timings(mode, dma, channel) 1696 u_int8_t mode; 1697 u_int8_t dma; 1698 u_int8_t channel; 1699 { 1700 if (dma) 1701 return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | 1702 PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel); 1703 else 1704 return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | 1705 PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel); 1706 } 1707 1708 void 1709 amd756_chip_map(sc, pa) 1710 struct pciide_softc *sc; 1711 struct pci_attach_args *pa; 1712 { 1713 struct pciide_channel *cp; 1714 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1715 int channel; 1716 pcireg_t chanenable; 1717 bus_size_t cmdsize, ctlsize; 1718 1719 if (pciide_chipen(sc, pa) == 0) 1720 return; 1721 printf("%s: bus-master DMA support present", 1722 sc->sc_wdcdev.sc_dev.dv_xname); 1723 pciide_mapreg_dma(sc, pa); 1724 printf("\n"); 1725 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1726 WDC_CAPABILITY_MODE; 1727 if (sc->sc_dma_ok) { 1728 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 1729 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 1730 sc->sc_wdcdev.irqack = pciide_irqack; 1731 } 1732 sc->sc_wdcdev.PIO_cap = 4; 1733 sc->sc_wdcdev.DMA_cap = 2; 1734 sc->sc_wdcdev.UDMA_cap = 4; 1735 sc->sc_wdcdev.set_modes = amd756_setup_channel; 1736 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1737 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1738 chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); 1739 1740 WDCDEBUG_PRINT(("amd756_chip_map: Channel enable=0x%x\n", chanenable), 1741 DEBUG_PROBE); 1742 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1743 cp = &sc->pciide_channels[channel]; 1744 if (pciide_chansetup(sc, channel, interface) == 0) 1745 continue; 1746 1747 if ((chanenable & AMD756_CHAN_EN(channel)) == 0) { 1748 printf("%s: %s channel ignored (disabled)\n", 1749 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1750 continue; 1751 } 1752 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1753 pciide_pci_intr); 1754 1755 if (pciide_chan_candisable(cp)) 1756 chanenable &= ~AMD756_CHAN_EN(channel); 1757 pciide_map_compat_intr(pa, cp, channel, interface); 1758 if (cp->hw_ok == 0) 1759 continue; 1760 1761 amd756_setup_channel(&cp->wdc_channel); 1762 } 1763 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN, 1764 chanenable); 1765 return; 1766 } 1767 1768 void 1769 amd756_setup_channel(chp) 1770 struct channel_softc *chp; 1771 { 1772 u_int32_t udmatim_reg, datatim_reg; 1773 u_int8_t idedma_ctl; 1774 int mode, drive; 1775 struct ata_drive_datas *drvp; 1776 struct pciide_channel *cp = (struct pciide_channel*)chp; 1777 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1778 1779 idedma_ctl = 0; 1780 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM); 1781 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA); 1782 datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel); 1783 udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel); 1784 1785 /* setup DMA if needed */ 1786 pciide_channel_dma_setup(cp); 1787 1788 for (drive = 0; drive < 2; drive++) { 1789 drvp = &chp->ch_drive[drive]; 1790 /* If no drive, skip */ 1791 if ((drvp->drive_flags & DRIVE) == 0) 1792 continue; 1793 /* add timing values, setup DMA if needed */ 1794 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1795 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1796 mode = drvp->PIO_mode; 1797 goto pio; 1798 } 1799 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1800 (drvp->drive_flags & DRIVE_UDMA)) { 1801 /* use Ultra/DMA */ 1802 drvp->drive_flags &= ~DRIVE_DMA; 1803 udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) | 1804 AMD756_UDMA_EN_MTH(chp->channel, drive) | 1805 AMD756_UDMA_TIME(chp->channel, drive, 1806 amd756_udma_tim[drvp->UDMA_mode]); 1807 /* can use PIO timings, MW DMA unused */ 1808 mode = drvp->PIO_mode; 1809 } else { 1810 /* use Multiword DMA */ 1811 drvp->drive_flags &= ~DRIVE_UDMA; 1812 /* mode = min(pio, dma+2) */ 1813 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1814 mode = drvp->PIO_mode; 1815 else 1816 mode = drvp->DMA_mode + 2; 1817 } 1818 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1819 1820 pio: /* setup PIO mode */ 1821 if (mode <= 2) { 1822 drvp->DMA_mode = 0; 1823 drvp->PIO_mode = 0; 1824 mode = 0; 1825 } else { 1826 drvp->PIO_mode = mode; 1827 drvp->DMA_mode = mode - 2; 1828 } 1829 datatim_reg |= 1830 AMD756_DATATIM_PULSE(chp->channel, drive, 1831 amd756_pio_set[mode]) | 1832 AMD756_DATATIM_RECOV(chp->channel, drive, 1833 amd756_pio_rec[mode]); 1834 } 1835 if (idedma_ctl != 0) { 1836 /* Add software bits in status register */ 1837 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1838 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1839 idedma_ctl); 1840 } 1841 pciide_print_modes(cp); 1842 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg); 1843 pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg); 1844 } 1845 1846 void 1847 apollo_chip_map(sc, pa) 1848 struct pciide_softc *sc; 1849 struct pci_attach_args *pa; 1850 { 1851 struct pciide_channel *cp; 1852 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 1853 int channel; 1854 u_int32_t ideconf; 1855 bus_size_t cmdsize, ctlsize; 1856 1857 if (pciide_chipen(sc, pa) == 0) 1858 return; 1859 printf("%s: bus-master DMA support present", 1860 sc->sc_wdcdev.sc_dev.dv_xname); 1861 pciide_mapreg_dma(sc, pa); 1862 printf("\n"); 1863 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 1864 WDC_CAPABILITY_MODE; 1865 if (sc->sc_dma_ok) { 1866 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 1867 sc->sc_wdcdev.irqack = pciide_irqack; 1868 if (sc->sc_pp->ide_product == PCI_PRODUCT_VIATECH_VT82C586A_IDE) 1869 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 1870 } 1871 sc->sc_wdcdev.PIO_cap = 4; 1872 sc->sc_wdcdev.DMA_cap = 2; 1873 sc->sc_wdcdev.UDMA_cap = 2; 1874 sc->sc_wdcdev.set_modes = apollo_setup_channel; 1875 sc->sc_wdcdev.channels = sc->wdc_chanarray; 1876 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 1877 1878 WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " 1879 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1880 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), 1881 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), 1882 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1883 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), 1884 DEBUG_PROBE); 1885 1886 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 1887 cp = &sc->pciide_channels[channel]; 1888 if (pciide_chansetup(sc, channel, interface) == 0) 1889 continue; 1890 1891 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); 1892 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 1893 printf("%s: %s channel ignored (disabled)\n", 1894 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 1895 continue; 1896 } 1897 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 1898 pciide_pci_intr); 1899 if (cp->hw_ok == 0) 1900 continue; 1901 if (pciide_chan_candisable(cp)) { 1902 ideconf &= ~APO_IDECONF_EN(channel); 1903 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, 1904 ideconf); 1905 } 1906 pciide_map_compat_intr(pa, cp, channel, interface); 1907 1908 if (cp->hw_ok == 0) 1909 continue; 1910 apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); 1911 } 1912 WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 1913 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), 1914 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); 1915 } 1916 1917 void 1918 apollo_setup_channel(chp) 1919 struct channel_softc *chp; 1920 { 1921 u_int32_t udmatim_reg, datatim_reg; 1922 u_int8_t idedma_ctl; 1923 int mode, drive; 1924 struct ata_drive_datas *drvp; 1925 struct pciide_channel *cp = (struct pciide_channel*)chp; 1926 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 1927 1928 idedma_ctl = 0; 1929 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); 1930 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); 1931 datatim_reg &= ~APO_DATATIM_MASK(chp->channel); 1932 udmatim_reg &= ~AP0_UDMA_MASK(chp->channel); 1933 1934 /* setup DMA if needed */ 1935 pciide_channel_dma_setup(cp); 1936 1937 for (drive = 0; drive < 2; drive++) { 1938 drvp = &chp->ch_drive[drive]; 1939 /* If no drive, skip */ 1940 if ((drvp->drive_flags & DRIVE) == 0) 1941 continue; 1942 /* add timing values, setup DMA if needed */ 1943 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 1944 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 1945 mode = drvp->PIO_mode; 1946 goto pio; 1947 } 1948 if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && 1949 (drvp->drive_flags & DRIVE_UDMA)) { 1950 /* use Ultra/DMA */ 1951 drvp->drive_flags &= ~DRIVE_DMA; 1952 udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | 1953 APO_UDMA_EN_MTH(chp->channel, drive) | 1954 APO_UDMA_TIME(chp->channel, drive, 1955 apollo_udma_tim[drvp->UDMA_mode]); 1956 /* can use PIO timings, MW DMA unused */ 1957 mode = drvp->PIO_mode; 1958 } else { 1959 /* use Multiword DMA */ 1960 drvp->drive_flags &= ~DRIVE_UDMA; 1961 /* mode = min(pio, dma+2) */ 1962 if (drvp->PIO_mode <= (drvp->DMA_mode +2)) 1963 mode = drvp->PIO_mode; 1964 else 1965 mode = drvp->DMA_mode + 2; 1966 } 1967 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 1968 1969 pio: /* setup PIO mode */ 1970 if (mode <= 2) { 1971 drvp->DMA_mode = 0; 1972 drvp->PIO_mode = 0; 1973 mode = 0; 1974 } else { 1975 drvp->PIO_mode = mode; 1976 drvp->DMA_mode = mode - 2; 1977 } 1978 datatim_reg |= 1979 APO_DATATIM_PULSE(chp->channel, drive, 1980 apollo_pio_set[mode]) | 1981 APO_DATATIM_RECOV(chp->channel, drive, 1982 apollo_pio_rec[mode]); 1983 } 1984 if (idedma_ctl != 0) { 1985 /* Add software bits in status register */ 1986 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 1987 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 1988 idedma_ctl); 1989 } 1990 pciide_print_modes(cp); 1991 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); 1992 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); 1993 } 1994 1995 void 1996 cmd_channel_map(pa, sc, channel) 1997 struct pci_attach_args *pa; 1998 struct pciide_softc *sc; 1999 int channel; 2000 { 2001 struct pciide_channel *cp = &sc->pciide_channels[channel]; 2002 bus_size_t cmdsize, ctlsize; 2003 u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); 2004 int interface; 2005 2006 /* 2007 * The 0648/0649 can be told to identify as a RAID controller. 2008 * In this case, we have to fake interface 2009 */ 2010 if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { 2011 interface = PCIIDE_INTERFACE_SETTABLE(0) | 2012 PCIIDE_INTERFACE_SETTABLE(1); 2013 if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & 2014 CMD_CONF_DSA1) 2015 interface |= PCIIDE_INTERFACE_PCI(0) | 2016 PCIIDE_INTERFACE_PCI(1); 2017 } else { 2018 interface = PCI_INTERFACE(pa->pa_class); 2019 } 2020 2021 sc->wdc_chanarray[channel] = &cp->wdc_channel; 2022 cp->name = PCIIDE_CHANNEL_NAME(channel); 2023 cp->wdc_channel.channel = channel; 2024 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2025 2026 if (channel > 0) { 2027 cp->wdc_channel.ch_queue = 2028 sc->pciide_channels[0].wdc_channel.ch_queue; 2029 } else { 2030 cp->wdc_channel.ch_queue = 2031 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2032 } 2033 if (cp->wdc_channel.ch_queue == NULL) { 2034 printf("%s %s channel: " 2035 "can't allocate memory for command queue", 2036 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2037 return; 2038 } 2039 2040 printf("%s: %s channel %s to %s mode\n", 2041 sc->sc_wdcdev.sc_dev.dv_xname, cp->name, 2042 (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? 2043 "configured" : "wired", 2044 (interface & PCIIDE_INTERFACE_PCI(channel)) ? 2045 "native-PCI" : "compatibility"); 2046 2047 /* 2048 * with a CMD PCI64x, if we get here, the first channel is enabled: 2049 * there's no way to disable the first channel without disabling 2050 * the whole device 2051 */ 2052 if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { 2053 printf("%s: %s channel ignored (disabled)\n", 2054 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2055 return; 2056 } 2057 2058 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); 2059 if (cp->hw_ok == 0) 2060 return; 2061 if (channel == 1) { 2062 if (pciide_chan_candisable(cp)) { 2063 ctrl &= ~CMD_CTRL_2PORT; 2064 pciide_pci_write(pa->pa_pc, pa->pa_tag, 2065 CMD_CTRL, ctrl); 2066 } 2067 } 2068 pciide_map_compat_intr(pa, cp, channel, interface); 2069 } 2070 2071 int 2072 cmd_pci_intr(arg) 2073 void *arg; 2074 { 2075 struct pciide_softc *sc = arg; 2076 struct pciide_channel *cp; 2077 struct channel_softc *wdc_cp; 2078 int i, rv, crv; 2079 u_int32_t priirq, secirq; 2080 2081 rv = 0; 2082 priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); 2083 secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); 2084 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2085 cp = &sc->pciide_channels[i]; 2086 wdc_cp = &cp->wdc_channel; 2087 /* If a compat channel skip. */ 2088 if (cp->compat) 2089 continue; 2090 if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || 2091 (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { 2092 crv = wdcintr(wdc_cp); 2093 if (crv == 0) 2094 printf("%s:%d: bogus intr\n", 2095 sc->sc_wdcdev.sc_dev.dv_xname, i); 2096 else 2097 rv = 1; 2098 } 2099 } 2100 return rv; 2101 } 2102 2103 void 2104 cmd_chip_map(sc, pa) 2105 struct pciide_softc *sc; 2106 struct pci_attach_args *pa; 2107 { 2108 int channel; 2109 2110 /* 2111 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2112 * and base adresses registers can be disabled at 2113 * hardware level. In this case, the device is wired 2114 * in compat mode and its first channel is always enabled, 2115 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2116 * In fact, it seems that the first channel of the CMD PCI0640 2117 * can't be disabled. 2118 */ 2119 2120 #ifdef PCIIDE_CMD064x_DISABLE 2121 if (pciide_chipen(sc, pa) == 0) 2122 return; 2123 #endif 2124 2125 printf("%s: hardware does not support DMA\n", 2126 sc->sc_wdcdev.sc_dev.dv_xname); 2127 sc->sc_dma_ok = 0; 2128 2129 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2130 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2131 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; 2132 2133 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2134 cmd_channel_map(pa, sc, channel); 2135 } 2136 } 2137 2138 void 2139 cmd0643_9_chip_map(sc, pa) 2140 struct pciide_softc *sc; 2141 struct pci_attach_args *pa; 2142 { 2143 struct pciide_channel *cp; 2144 int channel; 2145 2146 /* 2147 * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE 2148 * and base adresses registers can be disabled at 2149 * hardware level. In this case, the device is wired 2150 * in compat mode and its first channel is always enabled, 2151 * but we can't rely on PCI_COMMAND_IO_ENABLE. 2152 * In fact, it seems that the first channel of the CMD PCI0640 2153 * can't be disabled. 2154 */ 2155 2156 #ifdef PCIIDE_CMD064x_DISABLE 2157 if (pciide_chipen(sc, pa) == 0) 2158 return; 2159 #endif 2160 printf("%s: bus-master DMA support present", 2161 sc->sc_wdcdev.sc_dev.dv_xname); 2162 pciide_mapreg_dma(sc, pa); 2163 printf("\n"); 2164 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2165 WDC_CAPABILITY_MODE; 2166 if (sc->sc_dma_ok) { 2167 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2168 sc->sc_wdcdev.irqack = pciide_irqack; 2169 switch (sc->sc_pp->ide_product) { 2170 case PCI_PRODUCT_CMDTECH_649: 2171 case PCI_PRODUCT_CMDTECH_648: 2172 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2173 sc->sc_wdcdev.UDMA_cap = 4; 2174 } 2175 } 2176 2177 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2178 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2179 sc->sc_wdcdev.PIO_cap = 4; 2180 sc->sc_wdcdev.DMA_cap = 2; 2181 sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; 2182 2183 WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", 2184 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2185 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2186 DEBUG_PROBE); 2187 2188 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2189 cp = &sc->pciide_channels[channel]; 2190 cmd_channel_map(pa, sc, channel); 2191 if (cp->hw_ok == 0) 2192 continue; 2193 cmd0643_9_setup_channel(&cp->wdc_channel); 2194 } 2195 pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); 2196 WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", 2197 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), 2198 pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), 2199 DEBUG_PROBE); 2200 } 2201 2202 void 2203 cmd0643_9_setup_channel(chp) 2204 struct channel_softc *chp; 2205 { 2206 struct ata_drive_datas *drvp; 2207 u_int8_t tim; 2208 u_int32_t idedma_ctl, udma_reg; 2209 int drive; 2210 struct pciide_channel *cp = (struct pciide_channel*)chp; 2211 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2212 2213 idedma_ctl = 0; 2214 /* setup DMA if needed */ 2215 pciide_channel_dma_setup(cp); 2216 2217 for (drive = 0; drive < 2; drive++) { 2218 drvp = &chp->ch_drive[drive]; 2219 /* If no drive, skip */ 2220 if ((drvp->drive_flags & DRIVE) == 0) 2221 continue; 2222 /* add timing values, setup DMA if needed */ 2223 tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; 2224 if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { 2225 if (drvp->drive_flags & DRIVE_UDMA) { 2226 /* UltraDMA on a 0648 or 0649 */ 2227 udma_reg = pciide_pci_read(sc->sc_pc, 2228 sc->sc_tag, CMD_UDMATIM(chp->channel)); 2229 if (drvp->UDMA_mode > 2 && 2230 (pciide_pci_read(sc->sc_pc, sc->sc_tag, 2231 CMD_BICSR) & 2232 CMD_BICSR_80(chp->channel)) == 0) 2233 drvp->UDMA_mode = 2; 2234 if (drvp->UDMA_mode > 2) 2235 udma_reg &= ~CMD_UDMATIM_UDMA33(drive); 2236 else 2237 udma_reg |= CMD_UDMATIM_UDMA33(drive); 2238 udma_reg |= CMD_UDMATIM_UDMA(drive); 2239 udma_reg &= ~(CMD_UDMATIM_TIM_MASK << 2240 CMD_UDMATIM_TIM_OFF(drive)); 2241 udma_reg |= 2242 (cmd0648_9_tim_udma[drvp->UDMA_mode] << 2243 CMD_UDMATIM_TIM_OFF(drive)); 2244 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2245 CMD_UDMATIM(chp->channel), udma_reg); 2246 } else { 2247 /* 2248 * use Multiword DMA. 2249 * Timings will be used for both PIO and DMA, 2250 * so adjust DMA mode if needed 2251 * if we have a 0648/9, turn off UDMA 2252 */ 2253 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { 2254 udma_reg = pciide_pci_read(sc->sc_pc, 2255 sc->sc_tag, 2256 CMD_UDMATIM(chp->channel)); 2257 udma_reg &= ~CMD_UDMATIM_UDMA(drive); 2258 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2259 CMD_UDMATIM(chp->channel), 2260 udma_reg); 2261 } 2262 if (drvp->PIO_mode >= 3 && 2263 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2264 drvp->DMA_mode = drvp->PIO_mode - 2; 2265 } 2266 tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; 2267 } 2268 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2269 } 2270 pciide_pci_write(sc->sc_pc, sc->sc_tag, 2271 CMD_DATA_TIM(chp->channel, drive), tim); 2272 } 2273 if (idedma_ctl != 0) { 2274 /* Add software bits in status register */ 2275 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2276 IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel), 2277 idedma_ctl); 2278 } 2279 pciide_print_modes(cp); 2280 } 2281 2282 void 2283 cy693_chip_map(sc, pa) 2284 struct pciide_softc *sc; 2285 struct pci_attach_args *pa; 2286 { 2287 struct pciide_channel *cp; 2288 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2289 bus_size_t cmdsize, ctlsize; 2290 2291 if (pciide_chipen(sc, pa) == 0) 2292 return; 2293 /* 2294 * this chip has 2 PCI IDE functions, one for primary and one for 2295 * secondary. So we need to call pciide_mapregs_compat() with 2296 * the real channel 2297 */ 2298 if (pa->pa_function == 1) { 2299 sc->sc_cy_compatchan = 0; 2300 } else if (pa->pa_function == 2) { 2301 sc->sc_cy_compatchan = 1; 2302 } else { 2303 printf("%s: unexpected PCI function %d\n", 2304 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2305 return; 2306 } 2307 if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { 2308 printf("%s: bus-master DMA support present", 2309 sc->sc_wdcdev.sc_dev.dv_xname); 2310 pciide_mapreg_dma(sc, pa); 2311 } else { 2312 printf("%s: hardware does not support DMA", 2313 sc->sc_wdcdev.sc_dev.dv_xname); 2314 sc->sc_dma_ok = 0; 2315 } 2316 printf("\n"); 2317 2318 sc->sc_cy_handle = cy82c693_init(pa->pa_iot); 2319 if (sc->sc_cy_handle == NULL) { 2320 printf("%s: unable to map hyperCache control registers\n", 2321 sc->sc_wdcdev.sc_dev.dv_xname); 2322 sc->sc_dma_ok = 0; 2323 } 2324 2325 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2326 WDC_CAPABILITY_MODE; 2327 if (sc->sc_dma_ok) { 2328 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2329 sc->sc_wdcdev.irqack = pciide_irqack; 2330 } 2331 sc->sc_wdcdev.PIO_cap = 4; 2332 sc->sc_wdcdev.DMA_cap = 2; 2333 sc->sc_wdcdev.set_modes = cy693_setup_channel; 2334 2335 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2336 sc->sc_wdcdev.nchannels = 1; 2337 2338 /* Only one channel for this chip; if we are here it's enabled */ 2339 cp = &sc->pciide_channels[0]; 2340 sc->wdc_chanarray[0] = &cp->wdc_channel; 2341 cp->name = PCIIDE_CHANNEL_NAME(0); 2342 cp->wdc_channel.channel = 0; 2343 cp->wdc_channel.wdc = &sc->sc_wdcdev; 2344 cp->wdc_channel.ch_queue = 2345 malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 2346 if (cp->wdc_channel.ch_queue == NULL) { 2347 printf("%s primary channel: " 2348 "can't allocate memory for command queue", 2349 sc->sc_wdcdev.sc_dev.dv_xname); 2350 return; 2351 } 2352 printf("%s: primary channel %s to ", 2353 sc->sc_wdcdev.sc_dev.dv_xname, 2354 (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? 2355 "configured" : "wired"); 2356 if (interface & PCIIDE_INTERFACE_PCI(0)) { 2357 printf("native-PCI"); 2358 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, 2359 pciide_pci_intr); 2360 } else { 2361 printf("compatibility"); 2362 cp->hw_ok = pciide_mapregs_compat(pa, cp, sc->sc_cy_compatchan, 2363 &cmdsize, &ctlsize); 2364 } 2365 printf(" mode\n"); 2366 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2367 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2368 wdcattach(&cp->wdc_channel); 2369 if (pciide_chan_candisable(cp)) { 2370 pci_conf_write(sc->sc_pc, sc->sc_tag, 2371 PCI_COMMAND_STATUS_REG, 0); 2372 } 2373 pciide_map_compat_intr(pa, cp, sc->sc_cy_compatchan, interface); 2374 if (cp->hw_ok == 0) 2375 return; 2376 WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", 2377 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),DEBUG_PROBE); 2378 cy693_setup_channel(&cp->wdc_channel); 2379 WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", 2380 pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); 2381 } 2382 2383 void 2384 cy693_setup_channel(chp) 2385 struct channel_softc *chp; 2386 { 2387 struct ata_drive_datas *drvp; 2388 int drive; 2389 u_int32_t cy_cmd_ctrl; 2390 u_int32_t idedma_ctl; 2391 struct pciide_channel *cp = (struct pciide_channel*)chp; 2392 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2393 int dma_mode = -1; 2394 2395 cy_cmd_ctrl = idedma_ctl = 0; 2396 2397 /* setup DMA if needed */ 2398 pciide_channel_dma_setup(cp); 2399 2400 for (drive = 0; drive < 2; drive++) { 2401 drvp = &chp->ch_drive[drive]; 2402 /* If no drive, skip */ 2403 if ((drvp->drive_flags & DRIVE) == 0) 2404 continue; 2405 /* add timing values, setup DMA if needed */ 2406 if (drvp->drive_flags & DRIVE_DMA) { 2407 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2408 /* use Multiword DMA */ 2409 if (dma_mode == -1 || dma_mode > drvp->DMA_mode) 2410 dma_mode = drvp->DMA_mode; 2411 } 2412 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2413 CY_CMD_CTRL_IOW_PULSE_OFF(drive)); 2414 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2415 CY_CMD_CTRL_IOW_REC_OFF(drive)); 2416 cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << 2417 CY_CMD_CTRL_IOR_PULSE_OFF(drive)); 2418 cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << 2419 CY_CMD_CTRL_IOR_REC_OFF(drive)); 2420 } 2421 pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); 2422 chp->ch_drive[0].DMA_mode = dma_mode; 2423 chp->ch_drive[1].DMA_mode = dma_mode; 2424 2425 if (dma_mode == -1) 2426 dma_mode = 0; 2427 2428 if (sc->sc_cy_handle != NULL) { 2429 /* Note: `multiple' is implied. */ 2430 cy82c693_write(sc->sc_cy_handle, 2431 (sc->sc_cy_compatchan == 0) ? 2432 CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); 2433 } 2434 2435 pciide_print_modes(cp); 2436 2437 if (idedma_ctl != 0) { 2438 /* Add software bits in status register */ 2439 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2440 IDEDMA_CTL, idedma_ctl); 2441 } 2442 } 2443 2444 void 2445 sis_chip_map(sc, pa) 2446 struct pciide_softc *sc; 2447 struct pci_attach_args *pa; 2448 { 2449 struct pciide_channel *cp; 2450 int channel; 2451 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 2452 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 2453 pcireg_t rev = PCI_REVISION(pa->pa_class); 2454 bus_size_t cmdsize, ctlsize; 2455 2456 if (pciide_chipen(sc, pa) == 0) 2457 return; 2458 printf("%s: bus-master DMA support present", 2459 sc->sc_wdcdev.sc_dev.dv_xname); 2460 pciide_mapreg_dma(sc, pa); 2461 printf("\n"); 2462 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2463 WDC_CAPABILITY_MODE; 2464 if (sc->sc_dma_ok) { 2465 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 2466 sc->sc_wdcdev.irqack = pciide_irqack; 2467 if (rev >= 0xd0) 2468 sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; 2469 } 2470 2471 sc->sc_wdcdev.PIO_cap = 4; 2472 sc->sc_wdcdev.DMA_cap = 2; 2473 if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) 2474 sc->sc_wdcdev.UDMA_cap = 2; 2475 sc->sc_wdcdev.set_modes = sis_setup_channel; 2476 2477 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2478 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2479 2480 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 2481 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 2482 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE); 2483 2484 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2485 cp = &sc->pciide_channels[channel]; 2486 if (pciide_chansetup(sc, channel, interface) == 0) 2487 continue; 2488 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 2489 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 2490 printf("%s: %s channel ignored (disabled)\n", 2491 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2492 continue; 2493 } 2494 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2495 pciide_pci_intr); 2496 if (cp->hw_ok == 0) 2497 continue; 2498 if (pciide_chan_candisable(cp)) { 2499 if (channel == 0) 2500 sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; 2501 else 2502 sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; 2503 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, 2504 sis_ctr0); 2505 } 2506 pciide_map_compat_intr(pa, cp, channel, interface); 2507 if (cp->hw_ok == 0) 2508 continue; 2509 sis_setup_channel(&cp->wdc_channel); 2510 } 2511 } 2512 2513 void 2514 sis_setup_channel(chp) 2515 struct channel_softc *chp; 2516 { 2517 struct ata_drive_datas *drvp; 2518 int drive; 2519 u_int32_t sis_tim; 2520 u_int32_t idedma_ctl; 2521 struct pciide_channel *cp = (struct pciide_channel*)chp; 2522 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2523 2524 WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " 2525 "channel %d 0x%x\n", chp->channel, 2526 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), 2527 DEBUG_PROBE); 2528 sis_tim = 0; 2529 idedma_ctl = 0; 2530 /* setup DMA if needed */ 2531 pciide_channel_dma_setup(cp); 2532 2533 for (drive = 0; drive < 2; drive++) { 2534 drvp = &chp->ch_drive[drive]; 2535 /* If no drive, skip */ 2536 if ((drvp->drive_flags & DRIVE) == 0) 2537 continue; 2538 /* add timing values, setup DMA if needed */ 2539 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2540 (drvp->drive_flags & DRIVE_UDMA) == 0) 2541 goto pio; 2542 2543 if (drvp->drive_flags & DRIVE_UDMA) { 2544 /* use Ultra/DMA */ 2545 drvp->drive_flags &= ~DRIVE_DMA; 2546 sis_tim |= sis_udma_tim[drvp->UDMA_mode] << 2547 SIS_TIM_UDMA_TIME_OFF(drive); 2548 sis_tim |= SIS_TIM_UDMA_EN(drive); 2549 } else { 2550 /* 2551 * use Multiword DMA 2552 * Timings will be used for both PIO and DMA, 2553 * so adjust DMA mode if needed 2554 */ 2555 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2556 drvp->PIO_mode = drvp->DMA_mode + 2; 2557 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2558 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2559 drvp->PIO_mode - 2 : 0; 2560 if (drvp->DMA_mode == 0) 2561 drvp->PIO_mode = 0; 2562 } 2563 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2564 pio: sis_tim |= sis_pio_act[drvp->PIO_mode] << 2565 SIS_TIM_ACT_OFF(drive); 2566 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 2567 SIS_TIM_REC_OFF(drive); 2568 } 2569 WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " 2570 "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); 2571 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); 2572 if (idedma_ctl != 0) { 2573 /* Add software bits in status register */ 2574 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2575 IDEDMA_CTL, idedma_ctl); 2576 } 2577 pciide_print_modes(cp); 2578 } 2579 2580 void 2581 acer_chip_map(sc, pa) 2582 struct pciide_softc *sc; 2583 struct pci_attach_args *pa; 2584 { 2585 struct pciide_channel *cp; 2586 int channel; 2587 pcireg_t cr, interface; 2588 bus_size_t cmdsize, ctlsize; 2589 2590 if (pciide_chipen(sc, pa) == 0) 2591 return; 2592 printf("%s: bus-master DMA support present", 2593 sc->sc_wdcdev.sc_dev.dv_xname); 2594 pciide_mapreg_dma(sc, pa); 2595 printf("\n"); 2596 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2597 WDC_CAPABILITY_MODE; 2598 if (sc->sc_dma_ok) { 2599 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2600 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2601 sc->sc_wdcdev.irqack = pciide_irqack; 2602 } 2603 2604 sc->sc_wdcdev.PIO_cap = 4; 2605 sc->sc_wdcdev.DMA_cap = 2; 2606 sc->sc_wdcdev.UDMA_cap = 2; 2607 sc->sc_wdcdev.set_modes = acer_setup_channel; 2608 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2609 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 2610 2611 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, 2612 (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | 2613 ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); 2614 2615 /* Enable "microsoft register bits" R/W. */ 2616 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, 2617 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); 2618 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, 2619 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & 2620 ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); 2621 pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, 2622 pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & 2623 ~ACER_CHANSTATUSREGS_RO); 2624 cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); 2625 cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); 2626 pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); 2627 /* Don't use cr, re-read the real register content instead */ 2628 interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, 2629 PCI_CLASS_REG)); 2630 2631 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 2632 cp = &sc->pciide_channels[channel]; 2633 if (pciide_chansetup(sc, channel, interface) == 0) 2634 continue; 2635 if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { 2636 printf("%s: %s channel ignored (disabled)\n", 2637 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2638 continue; 2639 } 2640 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 2641 acer_pci_intr); 2642 if (cp->hw_ok == 0) 2643 continue; 2644 if (pciide_chan_candisable(cp)) { 2645 cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); 2646 pci_conf_write(sc->sc_pc, sc->sc_tag, 2647 PCI_CLASS_REG, cr); 2648 } 2649 pciide_map_compat_intr(pa, cp, channel, interface); 2650 acer_setup_channel(&cp->wdc_channel); 2651 } 2652 } 2653 2654 void 2655 acer_setup_channel(chp) 2656 struct channel_softc *chp; 2657 { 2658 struct ata_drive_datas *drvp; 2659 int drive; 2660 u_int32_t acer_fifo_udma; 2661 u_int32_t idedma_ctl; 2662 struct pciide_channel *cp = (struct pciide_channel*)chp; 2663 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2664 2665 idedma_ctl = 0; 2666 acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); 2667 WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", 2668 acer_fifo_udma), DEBUG_PROBE); 2669 /* setup DMA if needed */ 2670 pciide_channel_dma_setup(cp); 2671 2672 for (drive = 0; drive < 2; drive++) { 2673 drvp = &chp->ch_drive[drive]; 2674 /* If no drive, skip */ 2675 if ((drvp->drive_flags & DRIVE) == 0) 2676 continue; 2677 WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " 2678 "channel %d drive %d 0x%x\n", chp->channel, drive, 2679 pciide_pci_read(sc->sc_pc, sc->sc_tag, 2680 ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); 2681 /* clear FIFO/DMA mode */ 2682 acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | 2683 ACER_UDMA_EN(chp->channel, drive) | 2684 ACER_UDMA_TIM(chp->channel, drive, 0x7)); 2685 2686 /* add timing values, setup DMA if needed */ 2687 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 2688 (drvp->drive_flags & DRIVE_UDMA) == 0) { 2689 acer_fifo_udma |= 2690 ACER_FTH_OPL(chp->channel, drive, 0x1); 2691 goto pio; 2692 } 2693 2694 acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); 2695 if (drvp->drive_flags & DRIVE_UDMA) { 2696 /* use Ultra/DMA */ 2697 drvp->drive_flags &= ~DRIVE_DMA; 2698 acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); 2699 acer_fifo_udma |= 2700 ACER_UDMA_TIM(chp->channel, drive, 2701 acer_udma[drvp->UDMA_mode]); 2702 } else { 2703 /* 2704 * use Multiword DMA 2705 * Timings will be used for both PIO and DMA, 2706 * so adjust DMA mode if needed 2707 */ 2708 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 2709 drvp->PIO_mode = drvp->DMA_mode + 2; 2710 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 2711 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 2712 drvp->PIO_mode - 2 : 0; 2713 if (drvp->DMA_mode == 0) 2714 drvp->PIO_mode = 0; 2715 } 2716 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2717 pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, 2718 ACER_IDETIM(chp->channel, drive), 2719 acer_pio[drvp->PIO_mode]); 2720 } 2721 WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", 2722 acer_fifo_udma), DEBUG_PROBE); 2723 pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); 2724 if (idedma_ctl != 0) { 2725 /* Add software bits in status register */ 2726 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2727 IDEDMA_CTL, idedma_ctl); 2728 } 2729 pciide_print_modes(cp); 2730 } 2731 2732 int 2733 acer_pci_intr(arg) 2734 void *arg; 2735 { 2736 struct pciide_softc *sc = arg; 2737 struct pciide_channel *cp; 2738 struct channel_softc *wdc_cp; 2739 int i, rv, crv; 2740 u_int32_t chids; 2741 2742 rv = 0; 2743 chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); 2744 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2745 cp = &sc->pciide_channels[i]; 2746 wdc_cp = &cp->wdc_channel; 2747 /* If a compat channel skip. */ 2748 if (cp->compat) 2749 continue; 2750 if (chids & ACER_CHIDS_INT(i)) { 2751 crv = wdcintr(wdc_cp); 2752 if (crv == 0) 2753 printf("%s:%d: bogus intr\n", 2754 sc->sc_wdcdev.sc_dev.dv_xname, i); 2755 else 2756 rv = 1; 2757 } 2758 } 2759 return rv; 2760 } 2761 2762 void 2763 hpt_chip_map(sc, pa) 2764 struct pciide_softc *sc; 2765 struct pci_attach_args *pa; 2766 { 2767 struct pciide_channel *cp; 2768 int i, compatchan, revision; 2769 pcireg_t interface; 2770 bus_size_t cmdsize, ctlsize; 2771 2772 if (pciide_chipen(sc, pa) == 0) 2773 return; 2774 revision = PCI_REVISION(pa->pa_class); 2775 2776 /* 2777 * when the chip is in native mode it identifies itself as a 2778 * 'misc mass storage'. Fake interface in this case. 2779 */ 2780 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 2781 interface = PCI_INTERFACE(pa->pa_class); 2782 } else { 2783 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 2784 PCIIDE_INTERFACE_PCI(0); 2785 if (revision == HPT370_REV) 2786 interface |= PCIIDE_INTERFACE_PCI(1); 2787 } 2788 2789 printf("%s: bus-master DMA support present", 2790 sc->sc_wdcdev.sc_dev.dv_xname); 2791 pciide_mapreg_dma(sc, pa); 2792 printf("\n"); 2793 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2794 WDC_CAPABILITY_MODE; 2795 if (sc->sc_dma_ok) { 2796 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2797 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2798 sc->sc_wdcdev.irqack = pciide_irqack; 2799 } 2800 sc->sc_wdcdev.PIO_cap = 4; 2801 sc->sc_wdcdev.DMA_cap = 2; 2802 sc->sc_wdcdev.UDMA_cap = 4; 2803 2804 sc->sc_wdcdev.set_modes = hpt_setup_channel; 2805 sc->sc_wdcdev.channels = sc->wdc_chanarray; 2806 sc->sc_wdcdev.nchannels = (revision == HPT366_REV) ? 1 : 2; 2807 if (revision == HPT366_REV) { 2808 /* 2809 * The 366 has 2 PCI IDE functions, one for primary and one 2810 * for secondary. So we need to call pciide_mapregs_compat() 2811 * with the real channel 2812 */ 2813 if (pa->pa_function == 0) { 2814 compatchan = 0; 2815 } else if (pa->pa_function == 1) { 2816 compatchan = 1; 2817 } else { 2818 printf("%s: unexpected PCI function %d\n", 2819 sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); 2820 return; 2821 } 2822 sc->sc_wdcdev.nchannels = 1; 2823 } else { 2824 sc->sc_wdcdev.nchannels = 2; 2825 } 2826 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2827 cp = &sc->pciide_channels[0]; 2828 if (sc->sc_wdcdev.nchannels > 1) { 2829 compatchan = i; 2830 if((pciide_pci_read(sc->sc_pc, sc->sc_tag, 2831 HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { 2832 printf("%s: %s channel ignored (disabled)\n", 2833 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 2834 continue; 2835 } 2836 } 2837 if (pciide_chansetup(sc, i, interface) == 0) 2838 continue; 2839 if (interface & PCIIDE_INTERFACE_PCI(i)) { 2840 cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, 2841 &ctlsize, hpt_pci_intr); 2842 } else { 2843 cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, 2844 &cmdsize, &ctlsize); 2845 } 2846 if (cp->hw_ok == 0) 2847 return; 2848 cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; 2849 cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; 2850 wdcattach(&cp->wdc_channel); 2851 hpt_setup_channel(&cp->wdc_channel); 2852 } 2853 2854 return; 2855 } 2856 2857 2858 void 2859 hpt_setup_channel(chp) 2860 struct channel_softc *chp; 2861 { 2862 struct ata_drive_datas *drvp; 2863 int drive; 2864 int cable; 2865 u_int32_t before, after; 2866 u_int32_t idedma_ctl; 2867 struct pciide_channel *cp = (struct pciide_channel*)chp; 2868 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 2869 2870 cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); 2871 2872 /* setup DMA if needed */ 2873 pciide_channel_dma_setup(cp); 2874 2875 idedma_ctl = 0; 2876 2877 /* Per drive settings */ 2878 for (drive = 0; drive < 2; drive++) { 2879 drvp = &chp->ch_drive[drive]; 2880 /* If no drive, skip */ 2881 if ((drvp->drive_flags & DRIVE) == 0) 2882 continue; 2883 before = pci_conf_read(sc->sc_pc, sc->sc_tag, 2884 HPT_IDETIM(chp->channel, drive)); 2885 2886 /* add timing values, setup DMA if needed */ 2887 if (drvp->drive_flags & DRIVE_UDMA) { 2888 if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && 2889 drvp->UDMA_mode > 2) 2890 drvp->UDMA_mode = 2; 2891 after = (sc->sc_wdcdev.nchannels == 2) ? 2892 hpt370_udma[drvp->UDMA_mode] : 2893 hpt366_udma[drvp->UDMA_mode]; 2894 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2895 } else if (drvp->drive_flags & DRIVE_DMA) { 2896 /* 2897 * use Multiword DMA. 2898 * Timings will be used for both PIO and DMA, so adjust 2899 * DMA mode if needed 2900 */ 2901 if (drvp->PIO_mode >= 3 && 2902 (drvp->DMA_mode + 2) > drvp->PIO_mode) { 2903 drvp->DMA_mode = drvp->PIO_mode - 2; 2904 } 2905 after = (sc->sc_wdcdev.nchannels == 2) ? 2906 hpt370_dma[drvp->DMA_mode] : 2907 hpt366_dma[drvp->DMA_mode]; 2908 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 2909 } else { 2910 /* PIO only */ 2911 after = (sc->sc_wdcdev.nchannels == 2) ? 2912 hpt370_pio[drvp->PIO_mode] : 2913 hpt366_pio[drvp->PIO_mode]; 2914 } 2915 pci_conf_write(sc->sc_pc, sc->sc_tag, 2916 HPT_IDETIM(chp->channel, drive), after); 2917 WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " 2918 "(BIOS 0x%08x)\n", drvp->drv_softc->dv_xname, 2919 after, before), DEBUG_PROBE); 2920 } 2921 if (idedma_ctl != 0) { 2922 /* Add software bits in status register */ 2923 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2924 IDEDMA_CTL, idedma_ctl); 2925 } 2926 pciide_print_modes(cp); 2927 } 2928 2929 int 2930 hpt_pci_intr(arg) 2931 void *arg; 2932 { 2933 struct pciide_softc *sc = arg; 2934 struct pciide_channel *cp; 2935 struct channel_softc *wdc_cp; 2936 int rv = 0; 2937 int dmastat, i, crv; 2938 2939 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 2940 dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2941 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i); 2942 if((dmastat & IDEDMA_CTL_INTR) == 0) 2943 continue; 2944 cp = &sc->pciide_channels[i]; 2945 wdc_cp = &cp->wdc_channel; 2946 crv = wdcintr(wdc_cp); 2947 if (crv == 0) { 2948 printf("%s:%d: bogus intr\n", 2949 sc->sc_wdcdev.sc_dev.dv_xname, i); 2950 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 2951 IDEDMA_CTL + IDEDMA_SCH_OFFSET * i, dmastat); 2952 } else 2953 rv = 1; 2954 } 2955 return rv; 2956 } 2957 2958 2959 /* A macro to test product */ 2960 #define PDC_IS_262(sc) (sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_ULTRA66) 2961 2962 void 2963 pdc202xx_chip_map(sc, pa) 2964 struct pciide_softc *sc; 2965 struct pci_attach_args *pa; 2966 { 2967 struct pciide_channel *cp; 2968 int channel; 2969 pcireg_t interface, st, mode; 2970 bus_size_t cmdsize, ctlsize; 2971 2972 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 2973 WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), 2974 DEBUG_PROBE); 2975 if (pciide_chipen(sc, pa) == 0) 2976 return; 2977 2978 /* turn off RAID mode */ 2979 st &= ~PDC2xx_STATE_IDERAID; 2980 2981 /* 2982 * can't rely on the PCI_CLASS_REG content if the chip was in raid 2983 * mode. We have to fake interface 2984 */ 2985 interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); 2986 if (st & PDC2xx_STATE_NATIVE) 2987 interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 2988 2989 printf("%s: bus-master DMA support present", 2990 sc->sc_wdcdev.sc_dev.dv_xname); 2991 pciide_mapreg_dma(sc, pa); 2992 printf("\n"); 2993 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 2994 WDC_CAPABILITY_MODE; 2995 if (sc->sc_dma_ok) { 2996 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 2997 sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; 2998 sc->sc_wdcdev.irqack = pciide_irqack; 2999 } 3000 sc->sc_wdcdev.PIO_cap = 4; 3001 sc->sc_wdcdev.DMA_cap = 2; 3002 if (PDC_IS_262(sc)) 3003 sc->sc_wdcdev.UDMA_cap = 4; 3004 else 3005 sc->sc_wdcdev.UDMA_cap = 2; 3006 sc->sc_wdcdev.set_modes = pdc202xx_setup_channel; 3007 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3008 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3009 3010 /* setup failsafe defaults */ 3011 mode = 0; 3012 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); 3013 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); 3014 mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); 3015 mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); 3016 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3017 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 0 " 3018 "initial timings 0x%x, now 0x%x\n", channel, 3019 pci_conf_read(sc->sc_pc, sc->sc_tag, 3020 PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), 3021 DEBUG_PROBE); 3022 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), 3023 mode | PDC2xx_TIM_IORDYp); 3024 WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d drive 1 " 3025 "initial timings 0x%x, now 0x%x\n", channel, 3026 pci_conf_read(sc->sc_pc, sc->sc_tag, 3027 PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); 3028 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), 3029 mode); 3030 } 3031 3032 mode = PDC2xx_SCR_DMA; 3033 if (PDC_IS_262(sc)) { 3034 mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); 3035 } else { 3036 /* the BIOS set it up this way */ 3037 mode = PDC2xx_SCR_SET_GEN(mode, 0x1); 3038 } 3039 mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ 3040 mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ 3041 WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, now 0x%x\n", 3042 bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), 3043 DEBUG_PROBE); 3044 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); 3045 3046 /* controller initial state register is OK even without BIOS */ 3047 /* Set DMA mode to IDE DMA compatibility */ 3048 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); 3049 WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode ), 3050 DEBUG_PROBE); 3051 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, 3052 mode | 0x1); 3053 mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); 3054 WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); 3055 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, 3056 mode | 0x1); 3057 3058 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3059 cp = &sc->pciide_channels[channel]; 3060 if (pciide_chansetup(sc, channel, interface) == 0) 3061 continue; 3062 if ((st & (PDC_IS_262(sc) ? 3063 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { 3064 printf("%s: %s channel ignored (disabled)\n", 3065 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3066 continue; 3067 } 3068 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3069 pdc202xx_pci_intr); 3070 if (cp->hw_ok == 0) 3071 continue; 3072 if (pciide_chan_candisable(cp)) 3073 st &= ~(PDC_IS_262(sc) ? 3074 PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); 3075 pciide_map_compat_intr(pa, cp, channel, interface); 3076 pdc202xx_setup_channel(&cp->wdc_channel); 3077 } 3078 WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state 0x%x\n", st), 3079 DEBUG_PROBE); 3080 pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); 3081 return; 3082 } 3083 3084 void 3085 pdc202xx_setup_channel(chp) 3086 struct channel_softc *chp; 3087 { 3088 struct ata_drive_datas *drvp; 3089 int drive; 3090 pcireg_t mode, st; 3091 u_int32_t idedma_ctl, scr, atapi; 3092 struct pciide_channel *cp = (struct pciide_channel*)chp; 3093 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3094 int channel = chp->channel; 3095 3096 /* setup DMA if needed */ 3097 pciide_channel_dma_setup(cp); 3098 3099 idedma_ctl = 0; 3100 3101 /* Per channel settings */ 3102 if (PDC_IS_262(sc)) { 3103 scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3104 PDC262_U66); 3105 st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); 3106 /* Trimm UDMA mode */ 3107 if ((st & PDC262_STATE_80P(channel)) != 0 || 3108 (chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3109 chp->ch_drive[0].UDMA_mode <= 2) || 3110 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3111 chp->ch_drive[1].UDMA_mode <= 2)) { 3112 if (chp->ch_drive[0].UDMA_mode > 2) 3113 chp->ch_drive[0].UDMA_mode = 2; 3114 if (chp->ch_drive[1].UDMA_mode > 2) 3115 chp->ch_drive[1].UDMA_mode = 2; 3116 } 3117 /* Set U66 if needed */ 3118 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && 3119 chp->ch_drive[0].UDMA_mode > 2) || 3120 (chp->ch_drive[1].drive_flags & DRIVE_UDMA && 3121 chp->ch_drive[1].UDMA_mode > 2)) 3122 scr |= PDC262_U66_EN(channel); 3123 else 3124 scr &= ~PDC262_U66_EN(channel); 3125 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3126 PDC262_U66, scr); 3127 if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || 3128 chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { 3129 if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3130 !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3131 (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || 3132 ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && 3133 !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && 3134 (chp->ch_drive[0].drive_flags & DRIVE_DMA))) 3135 atapi = 0; 3136 else 3137 atapi = PDC262_ATAPI_UDMA; 3138 bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, 3139 PDC262_ATAPI(channel), atapi); 3140 } 3141 } 3142 for (drive = 0; drive < 2; drive++) { 3143 drvp = &chp->ch_drive[drive]; 3144 /* If no drive, skip */ 3145 if ((drvp->drive_flags & DRIVE) == 0) 3146 continue; 3147 mode = 0; 3148 if (drvp->drive_flags & DRIVE_UDMA) { 3149 mode = PDC2xx_TIM_SET_MB(mode, 3150 pdc2xx_udma_mb[drvp->UDMA_mode]); 3151 mode = PDC2xx_TIM_SET_MC(mode, 3152 pdc2xx_udma_mc[drvp->UDMA_mode]); 3153 drvp->drive_flags &= ~DRIVE_DMA; 3154 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3155 } else if (drvp->drive_flags & DRIVE_DMA) { 3156 mode = PDC2xx_TIM_SET_MB(mode, 3157 pdc2xx_dma_mb[drvp->DMA_mode]); 3158 mode = PDC2xx_TIM_SET_MC(mode, 3159 pdc2xx_dma_mc[drvp->DMA_mode]); 3160 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 3161 } else { 3162 mode = PDC2xx_TIM_SET_MB(mode, 3163 pdc2xx_dma_mb[0]); 3164 mode = PDC2xx_TIM_SET_MC(mode, 3165 pdc2xx_dma_mc[0]); 3166 } 3167 mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); 3168 mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); 3169 if (drvp->drive_flags & DRIVE_ATA) 3170 mode |= PDC2xx_TIM_PRE; 3171 mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; 3172 if (drvp->PIO_mode >= 3) { 3173 mode |= PDC2xx_TIM_IORDY; 3174 if (drive == 0) 3175 mode |= PDC2xx_TIM_IORDYp; 3176 } 3177 WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " 3178 "timings 0x%x\n", 3179 sc->sc_wdcdev.sc_dev.dv_xname, 3180 chp->channel, drive, mode), DEBUG_PROBE); 3181 pci_conf_write(sc->sc_pc, sc->sc_tag, 3182 PDC2xx_TIM(chp->channel, drive), mode); 3183 } 3184 if (idedma_ctl != 0) { 3185 /* Add software bits in status register */ 3186 bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, 3187 IDEDMA_CTL, idedma_ctl); 3188 } 3189 pciide_print_modes(cp); 3190 } 3191 3192 int 3193 pdc202xx_pci_intr(arg) 3194 void *arg; 3195 { 3196 struct pciide_softc *sc = arg; 3197 struct pciide_channel *cp; 3198 struct channel_softc *wdc_cp; 3199 int i, rv, crv; 3200 u_int32_t scr; 3201 3202 rv = 0; 3203 scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); 3204 for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { 3205 cp = &sc->pciide_channels[i]; 3206 wdc_cp = &cp->wdc_channel; 3207 /* If a compat channel skip. */ 3208 if (cp->compat) 3209 continue; 3210 if (scr & PDC2xx_SCR_INT(i)) { 3211 crv = wdcintr(wdc_cp); 3212 if (crv == 0) 3213 printf("%s:%d: bogus intr\n", 3214 sc->sc_wdcdev.sc_dev.dv_xname, i); 3215 else 3216 rv = 1; 3217 } 3218 } 3219 return rv; 3220 } 3221 3222 void 3223 opti_chip_map(sc, pa) 3224 struct pciide_softc *sc; 3225 struct pci_attach_args *pa; 3226 { 3227 struct pciide_channel *cp; 3228 bus_size_t cmdsize, ctlsize; 3229 pcireg_t interface; 3230 u_int8_t init_ctrl; 3231 int channel; 3232 3233 if (pciide_chipen(sc, pa) == 0) 3234 return; 3235 printf("%s: bus-master DMA support present", 3236 sc->sc_wdcdev.sc_dev.dv_xname); 3237 pciide_mapreg_dma(sc, pa); 3238 printf("\n"); 3239 3240 sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | 3241 WDC_CAPABILITY_MODE; 3242 sc->sc_wdcdev.PIO_cap = 4; 3243 if (sc->sc_dma_ok) { 3244 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; 3245 sc->sc_wdcdev.irqack = pciide_irqack; 3246 sc->sc_wdcdev.DMA_cap = 2; 3247 } 3248 sc->sc_wdcdev.set_modes = opti_setup_channel; 3249 3250 sc->sc_wdcdev.channels = sc->wdc_chanarray; 3251 sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; 3252 3253 init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, 3254 OPTI_REG_INIT_CONTROL); 3255 3256 interface = PCI_INTERFACE(pa->pa_class); 3257 3258 for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { 3259 cp = &sc->pciide_channels[channel]; 3260 if (pciide_chansetup(sc, channel, interface) == 0) 3261 continue; 3262 if (channel == 1 && 3263 (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { 3264 printf("%s: %s channel ignored (disabled)\n", 3265 sc->sc_wdcdev.sc_dev.dv_xname, cp->name); 3266 continue; 3267 } 3268 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 3269 pciide_pci_intr); 3270 if (cp->hw_ok == 0) 3271 continue; 3272 pciide_map_compat_intr(pa, cp, channel, interface); 3273 if (cp->hw_ok == 0) 3274 continue; 3275 opti_setup_channel(&cp->wdc_channel); 3276 } 3277 } 3278 3279 void 3280 opti_setup_channel(chp) 3281 struct channel_softc *chp; 3282 { 3283 struct ata_drive_datas *drvp; 3284 struct pciide_channel *cp = (struct pciide_channel*)chp; 3285 struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; 3286 int drive, spd; 3287 int mode[2]; 3288 u_int8_t rv, mr; 3289 3290 /* 3291 * The `Delay' and `Address Setup Time' fields of the 3292 * Miscellaneous Register are always zero initially. 3293 */ 3294 mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; 3295 mr &= ~(OPTI_MISC_DELAY_MASK | 3296 OPTI_MISC_ADDR_SETUP_MASK | 3297 OPTI_MISC_INDEX_MASK); 3298 3299 /* Prime the control register before setting timing values */ 3300 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); 3301 3302 /* Determine the clockrate of the PCIbus the chip is attached to */ 3303 spd = (int) opti_read_config(chp, OPTI_REG_STRAP); 3304 spd &= OPTI_STRAP_PCI_SPEED_MASK; 3305 3306 /* setup DMA if needed */ 3307 pciide_channel_dma_setup(cp); 3308 3309 for (drive = 0; drive < 2; drive++) { 3310 drvp = &chp->ch_drive[drive]; 3311 /* If no drive, skip */ 3312 if ((drvp->drive_flags & DRIVE) == 0) { 3313 mode[drive] = -1; 3314 continue; 3315 } 3316 3317 if ((drvp->drive_flags & DRIVE_DMA)) { 3318 /* 3319 * Timings will be used for both PIO and DMA, 3320 * so adjust DMA mode if needed 3321 */ 3322 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 3323 drvp->PIO_mode = drvp->DMA_mode + 2; 3324 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 3325 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 3326 drvp->PIO_mode - 2 : 0; 3327 if (drvp->DMA_mode == 0) 3328 drvp->PIO_mode = 0; 3329 3330 mode[drive] = drvp->DMA_mode + 5; 3331 } else 3332 mode[drive] = drvp->PIO_mode; 3333 3334 if (drive && mode[0] >= 0 && 3335 (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { 3336 /* 3337 * Can't have two drives using different values 3338 * for `Address Setup Time'. 3339 * Slow down the faster drive to compensate. 3340 */ 3341 int d = (opti_tim_as[spd][mode[0]] > 3342 opti_tim_as[spd][mode[1]]) ? 0 : 1; 3343 3344 mode[d] = mode[1-d]; 3345 chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; 3346 chp->ch_drive[d].DMA_mode = 0; 3347 chp->ch_drive[d].drive_flags &= DRIVE_DMA; 3348 } 3349 } 3350 3351 for (drive = 0; drive < 2; drive++) { 3352 int m; 3353 if ((m = mode[drive]) < 0) 3354 continue; 3355 3356 /* Set the Address Setup Time and select appropriate index */ 3357 rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; 3358 rv |= OPTI_MISC_INDEX(drive); 3359 opti_write_config(chp, OPTI_REG_MISC, mr | rv); 3360 3361 /* Set the pulse width and recovery timing parameters */ 3362 rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; 3363 rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; 3364 opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); 3365 opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); 3366 3367 /* Set the Enhanced Mode register appropriately */ 3368 rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); 3369 rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); 3370 rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); 3371 pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); 3372 } 3373 3374 /* Finally, enable the timings */ 3375 opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); 3376 3377 pciide_print_modes(cp); 3378 } 3379
Indexes created Thu Oct 02 10:09:58 GMT 2025