viaide.c revision 1.12.2.7
1 /* $NetBSD: viaide.c,v 1.12.2.7 2005/01/17 19:31:26 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Manuel Bouyer. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 36 #include <dev/pci/pcivar.h> 37 #include <dev/pci/pcidevs.h> 38 #include <dev/pci/pciidereg.h> 39 #include <dev/pci/pciidevar.h> 40 #include <dev/pci/pciide_apollo_reg.h> 41 42 static int via_pcib_match(struct pci_attach_args *); 43 static void via_chip_map(struct pciide_softc *, struct pci_attach_args *); 44 static void via_sata_chip_map(struct pciide_softc *, 45 struct pci_attach_args *); 46 static void via_setup_channel(struct ata_channel *); 47 48 static int viaide_match(struct device *, struct cfdata *, void *); 49 static void viaide_attach(struct device *, struct device *, void *); 50 static const struct pciide_product_desc * 51 viaide_lookup(pcireg_t); 52 53 CFATTACH_DECL(viaide, sizeof(struct pciide_softc), 54 viaide_match, viaide_attach, NULL, NULL); 55 56 static const struct pciide_product_desc pciide_amd_products[] = { 57 { PCI_PRODUCT_AMD_PBC756_IDE, 58 0, 59 "Advanced Micro Devices AMD756 IDE Controller", 60 via_chip_map 61 }, 62 { PCI_PRODUCT_AMD_PBC766_IDE, 63 0, 64 "Advanced Micro Devices AMD766 IDE Controller", 65 via_chip_map 66 }, 67 { PCI_PRODUCT_AMD_PBC768_IDE, 68 0, 69 "Advanced Micro Devices AMD768 IDE Controller", 70 via_chip_map 71 }, 72 { PCI_PRODUCT_AMD_PBC8111_IDE, 73 0, 74 "Advanced Micro Devices AMD8111 IDE Controller", 75 via_chip_map 76 }, 77 { 0, 78 0, 79 NULL, 80 NULL 81 } 82 }; 83 84 static const struct pciide_product_desc pciide_nvidia_products[] = { 85 { PCI_PRODUCT_NVIDIA_NFORCE_ATA100, 86 0, 87 "NVIDIA nForce IDE Controller", 88 via_chip_map 89 }, 90 { PCI_PRODUCT_NVIDIA_NFORCE2_ATA133, 91 0, 92 "NVIDIA nForce2 IDE Controller", 93 via_chip_map 94 }, 95 { PCI_PRODUCT_NVIDIA_NFORCE2_400_ATA133, 96 0, 97 "NVIDIA nForce2 Ultra 400 IDE Controller", 98 via_chip_map 99 }, 100 { PCI_PRODUCT_NVIDIA_NFORCE2_400_SATA, 101 0, 102 "NVIDIA nForce2 Ultra 400 Serial ATA Controller", 103 via_sata_chip_map 104 }, 105 { PCI_PRODUCT_NVIDIA_NFORCE3_ATA133, 106 0, 107 "NVIDIA nForce3 IDE Controller", 108 via_chip_map 109 }, 110 { PCI_PRODUCT_NVIDIA_NFORCE3_250_ATA133, 111 0, 112 "NVIDIA nForce3 250 IDE Controller", 113 via_chip_map 114 }, 115 { PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA, 116 0, 117 "NVIDIA nForce3 250 Serial ATA Controller", 118 via_sata_chip_map 119 }, 120 { 0, 121 0, 122 NULL, 123 NULL 124 } 125 }; 126 127 static const struct pciide_product_desc pciide_via_products[] = { 128 { PCI_PRODUCT_VIATECH_VT82C586_IDE, 129 0, 130 NULL, 131 via_chip_map, 132 }, 133 { PCI_PRODUCT_VIATECH_VT82C586A_IDE, 134 0, 135 NULL, 136 via_chip_map, 137 }, 138 { PCI_PRODUCT_VIATECH_VT8237_SATA, 139 0, 140 "VIA Technologies VT8237 SATA Controller", 141 via_sata_chip_map, 142 }, 143 { 0, 144 0, 145 NULL, 146 NULL 147 } 148 }; 149 150 static const struct pciide_product_desc * 151 viaide_lookup(pcireg_t id) 152 { 153 154 switch (PCI_VENDOR(id)) { 155 case PCI_VENDOR_VIATECH: 156 return (pciide_lookup_product(id, pciide_via_products)); 157 158 case PCI_VENDOR_AMD: 159 return (pciide_lookup_product(id, pciide_amd_products)); 160 161 case PCI_VENDOR_NVIDIA: 162 return (pciide_lookup_product(id, pciide_nvidia_products)); 163 } 164 return (NULL); 165 } 166 167 static int 168 viaide_match(struct device *parent, struct cfdata *match, void *aux) 169 { 170 struct pci_attach_args *pa = aux; 171 172 if (viaide_lookup(pa->pa_id) != NULL) 173 return (2); 174 return (0); 175 } 176 177 static void 178 viaide_attach(struct device *parent, struct device *self, void *aux) 179 { 180 struct pci_attach_args *pa = aux; 181 struct pciide_softc *sc = (struct pciide_softc *)self; 182 const struct pciide_product_desc *pp; 183 184 pp = viaide_lookup(pa->pa_id); 185 if (pp == NULL) 186 panic("viaide_attach"); 187 pciide_common_attach(sc, pa, pp); 188 } 189 190 static int 191 via_pcib_match(struct pci_attach_args *pa) 192 { 193 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && 194 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_ISA && 195 PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VIATECH) 196 return (1); 197 return 0; 198 } 199 200 static void 201 via_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 202 { 203 struct pciide_channel *cp; 204 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 205 pcireg_t vendor = PCI_VENDOR(pa->pa_id); 206 int channel; 207 u_int32_t ideconf; 208 bus_size_t cmdsize, ctlsize; 209 pcireg_t pcib_id, pcib_class; 210 struct pci_attach_args pcib_pa; 211 212 if (pciide_chipen(sc, pa) == 0) 213 return; 214 215 switch (vendor) { 216 case PCI_VENDOR_VIATECH: 217 /* 218 * get a PCI tag for the ISA bridge. 219 */ 220 if (pci_find_device(&pcib_pa, via_pcib_match) == 0) 221 goto unknown; 222 pcib_id = pcib_pa.pa_id; 223 pcib_class = pcib_pa.pa_class; 224 aprint_normal("%s: VIA Technologies ", 225 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 226 switch (PCI_PRODUCT(pcib_id)) { 227 case PCI_PRODUCT_VIATECH_VT82C586_ISA: 228 aprint_normal("VT82C586 (Apollo VP) "); 229 if(PCI_REVISION(pcib_class) >= 0x02) { 230 aprint_normal("ATA33 controller\n"); 231 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 232 } else { 233 aprint_normal("controller\n"); 234 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0; 235 } 236 break; 237 case PCI_PRODUCT_VIATECH_VT82C596A: 238 aprint_normal("VT82C596A (Apollo Pro) "); 239 if (PCI_REVISION(pcib_class) >= 0x12) { 240 aprint_normal("ATA66 controller\n"); 241 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 242 } else { 243 aprint_normal("ATA33 controller\n"); 244 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 245 } 246 break; 247 case PCI_PRODUCT_VIATECH_VT82C686A_ISA: 248 aprint_normal("VT82C686A (Apollo KX133) "); 249 if (PCI_REVISION(pcib_class) >= 0x40) { 250 aprint_normal("ATA100 controller\n"); 251 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 252 } else { 253 aprint_normal("ATA66 controller\n"); 254 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 255 } 256 break; 257 case PCI_PRODUCT_VIATECH_VT8231: 258 aprint_normal("VT8231 ATA100 controller\n"); 259 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 260 break; 261 case PCI_PRODUCT_VIATECH_VT8233: 262 aprint_normal("VT8233 ATA100 controller\n"); 263 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 264 break; 265 case PCI_PRODUCT_VIATECH_VT8233A: 266 aprint_normal("VT8233A ATA133 controller\n"); 267 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 268 break; 269 case PCI_PRODUCT_VIATECH_VT8235: 270 aprint_normal("VT8235 ATA133 controller\n"); 271 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 272 break; 273 case PCI_PRODUCT_VIATECH_VT8237: 274 aprint_normal("VT8237 ATA133 controller\n"); 275 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 276 break; 277 default: 278 unknown: 279 aprint_normal("unknown VIA ATA controller\n"); 280 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0; 281 } 282 sc->sc_apo_regbase = APO_VIA_REGBASE; 283 break; 284 case PCI_VENDOR_AMD: 285 switch (sc->sc_pp->ide_product) { 286 case PCI_PRODUCT_AMD_PBC8111_IDE: 287 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 288 break; 289 case PCI_PRODUCT_AMD_PBC766_IDE: 290 case PCI_PRODUCT_AMD_PBC768_IDE: 291 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 292 break; 293 default: 294 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 295 } 296 sc->sc_apo_regbase = APO_AMD_REGBASE; 297 break; 298 case PCI_VENDOR_NVIDIA: 299 switch (sc->sc_pp->ide_product) { 300 case PCI_PRODUCT_NVIDIA_NFORCE_ATA100: 301 sc->sc_wdcdev.sc_atac.atac_udma_cap = 5; 302 break; 303 case PCI_PRODUCT_NVIDIA_NFORCE2_ATA133: 304 case PCI_PRODUCT_NVIDIA_NFORCE2_400_ATA133: 305 case PCI_PRODUCT_NVIDIA_NFORCE3_ATA133: 306 case PCI_PRODUCT_NVIDIA_NFORCE3_250_ATA133: 307 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 308 break; 309 } 310 sc->sc_apo_regbase = APO_NVIDIA_REGBASE; 311 break; 312 default: 313 panic("via_chip_map: unknown vendor"); 314 } 315 316 aprint_normal("%s: bus-master DMA support present", 317 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 318 pciide_mapreg_dma(sc, pa); 319 aprint_normal("\n"); 320 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 321 if (sc->sc_dma_ok) { 322 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA; 323 sc->sc_wdcdev.irqack = pciide_irqack; 324 if (sc->sc_wdcdev.sc_atac.atac_udma_cap > 0) 325 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA; 326 } 327 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 328 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 329 sc->sc_wdcdev.sc_atac.atac_set_modes = via_setup_channel; 330 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 331 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 332 333 wdc_allocate_regs(&sc->sc_wdcdev); 334 335 ATADEBUG_PRINT(("via_chip_map: old APO_IDECONF=0x%x, " 336 "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 337 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc)), 338 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC(sc)), 339 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)), 340 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc))), 341 DEBUG_PROBE); 342 343 ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF(sc)); 344 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 345 channel++) { 346 cp = &sc->pciide_channels[channel]; 347 if (pciide_chansetup(sc, channel, interface) == 0) 348 continue; 349 350 if ((ideconf & APO_IDECONF_EN(channel)) == 0) { 351 aprint_normal("%s: %s channel ignored (disabled)\n", 352 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, cp->name); 353 cp->ata_channel.ch_flags |= ATACH_DISABLED; 354 continue; 355 } 356 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 357 pciide_pci_intr); 358 } 359 } 360 361 static void 362 via_setup_channel(struct ata_channel *chp) 363 { 364 u_int32_t udmatim_reg, datatim_reg; 365 u_int8_t idedma_ctl; 366 int mode, drive, s; 367 struct ata_drive_datas *drvp; 368 struct atac_softc *atac = chp->ch_atac; 369 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 370 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 371 #ifndef PCIIDE_AMD756_ENABLEDMA 372 int rev = PCI_REVISION( 373 pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); 374 #endif 375 376 idedma_ctl = 0; 377 datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)); 378 udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc)); 379 datatim_reg &= ~APO_DATATIM_MASK(chp->ch_channel); 380 udmatim_reg &= ~APO_UDMA_MASK(chp->ch_channel); 381 382 /* setup DMA if needed */ 383 pciide_channel_dma_setup(cp); 384 385 for (drive = 0; drive < 2; drive++) { 386 drvp = &chp->ch_drive[drive]; 387 /* If no drive, skip */ 388 if ((drvp->drive_flags & DRIVE) == 0) 389 continue; 390 /* add timing values, setup DMA if needed */ 391 if (((drvp->drive_flags & DRIVE_DMA) == 0 && 392 (drvp->drive_flags & DRIVE_UDMA) == 0)) { 393 mode = drvp->PIO_mode; 394 goto pio; 395 } 396 if ((atac->atac_cap & ATAC_CAP_UDMA) && 397 (drvp->drive_flags & DRIVE_UDMA)) { 398 /* use Ultra/DMA */ 399 s = splbio(); 400 drvp->drive_flags &= ~DRIVE_DMA; 401 splx(s); 402 udmatim_reg |= APO_UDMA_EN(chp->ch_channel, drive) | 403 APO_UDMA_EN_MTH(chp->ch_channel, drive); 404 switch (PCI_VENDOR(sc->sc_pci_id)) { 405 case PCI_VENDOR_VIATECH: 406 if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 6) { 407 /* 8233a */ 408 udmatim_reg |= APO_UDMA_TIME( 409 chp->ch_channel, 410 drive, 411 via_udma133_tim[drvp->UDMA_mode]); 412 } else if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 5) { 413 /* 686b */ 414 udmatim_reg |= APO_UDMA_TIME( 415 chp->ch_channel, 416 drive, 417 via_udma100_tim[drvp->UDMA_mode]); 418 } else if (sc->sc_wdcdev.sc_atac.atac_udma_cap == 4) { 419 /* 596b or 686a */ 420 udmatim_reg |= APO_UDMA_CLK66( 421 chp->ch_channel); 422 udmatim_reg |= APO_UDMA_TIME( 423 chp->ch_channel, 424 drive, 425 via_udma66_tim[drvp->UDMA_mode]); 426 } else { 427 /* 596a or 586b */ 428 udmatim_reg |= APO_UDMA_TIME( 429 chp->ch_channel, 430 drive, 431 via_udma33_tim[drvp->UDMA_mode]); 432 } 433 break; 434 case PCI_VENDOR_AMD: 435 case PCI_VENDOR_NVIDIA: 436 udmatim_reg |= APO_UDMA_TIME(chp->ch_channel, 437 drive, amd7x6_udma_tim[drvp->UDMA_mode]); 438 break; 439 } 440 /* can use PIO timings, MW DMA unused */ 441 mode = drvp->PIO_mode; 442 } else { 443 /* use Multiword DMA, but only if revision is OK */ 444 s = splbio(); 445 drvp->drive_flags &= ~DRIVE_UDMA; 446 splx(s); 447 #ifndef PCIIDE_AMD756_ENABLEDMA 448 /* 449 * The workaround doesn't seem to be necessary 450 * with all drives, so it can be disabled by 451 * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if 452 * triggered. 453 */ 454 if (PCI_VENDOR(sc->sc_pci_id) == PCI_VENDOR_AMD && 455 sc->sc_pp->ide_product == 456 PCI_PRODUCT_AMD_PBC756_IDE && 457 AMD756_CHIPREV_DISABLEDMA(rev)) { 458 aprint_normal( 459 "%s:%d:%d: multi-word DMA disabled due " 460 "to chip revision\n", 461 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, 462 chp->ch_channel, drive); 463 mode = drvp->PIO_mode; 464 s = splbio(); 465 drvp->drive_flags &= ~DRIVE_DMA; 466 splx(s); 467 goto pio; 468 } 469 #endif 470 /* mode = min(pio, dma+2) */ 471 if (drvp->PIO_mode <= (drvp->DMA_mode + 2)) 472 mode = drvp->PIO_mode; 473 else 474 mode = drvp->DMA_mode + 2; 475 } 476 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 477 478 pio: /* setup PIO mode */ 479 if (mode <= 2) { 480 drvp->DMA_mode = 0; 481 drvp->PIO_mode = 0; 482 mode = 0; 483 } else { 484 drvp->PIO_mode = mode; 485 drvp->DMA_mode = mode - 2; 486 } 487 datatim_reg |= 488 APO_DATATIM_PULSE(chp->ch_channel, drive, 489 apollo_pio_set[mode]) | 490 APO_DATATIM_RECOV(chp->ch_channel, drive, 491 apollo_pio_rec[mode]); 492 } 493 if (idedma_ctl != 0) { 494 /* Add software bits in status register */ 495 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 496 idedma_ctl); 497 } 498 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc), datatim_reg); 499 pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA(sc), udmatim_reg); 500 ATADEBUG_PRINT(("via_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", 501 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM(sc)), 502 pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA(sc))), DEBUG_PROBE); 503 } 504 505 static void 506 via_sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 507 { 508 struct pciide_channel *cp; 509 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 510 int channel; 511 bus_size_t cmdsize, ctlsize; 512 513 if (pciide_chipen(sc, pa) == 0) 514 return; 515 516 if (interface == 0) { 517 ATADEBUG_PRINT(("via_sata_chip_map interface == 0\n"), 518 DEBUG_PROBE); 519 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 520 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 521 } 522 523 aprint_normal("%s: bus-master DMA support present", 524 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 525 pciide_mapreg_dma(sc, pa); 526 aprint_normal("\n"); 527 528 if (sc->sc_dma_ok) { 529 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA | ATAC_CAP_DMA; 530 sc->sc_wdcdev.irqack = pciide_irqack; 531 } 532 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 533 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 534 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 535 536 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 537 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 538 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 539 sc->sc_wdcdev.sc_atac.atac_set_modes = sata_setup_channel; 540 541 wdc_allocate_regs(&sc->sc_wdcdev); 542 543 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 544 channel++) { 545 cp = &sc->pciide_channels[channel]; 546 if (pciide_chansetup(sc, channel, interface) == 0) 547 continue; 548 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 549 pciide_pci_intr); 550 } 551 } 552
Indexes created Sun Oct 19 21:10:07 GMT 2025