1 /* $NetBSD: siside.c,v 1.25 2009/10/19 18:41:16 bouyer 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: siside.c,v 1.25 2009/10/19 18:41:16 bouyer Exp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 33 #include <dev/pci/pcivar.h> 34 #include <dev/pci/pcidevs.h> 35 #include <dev/pci/pciidereg.h> 36 #include <dev/pci/pciidevar.h> 37 #include <dev/pci/pciide_sis_reg.h> 38 39 static void sis_chip_map(struct pciide_softc *, struct pci_attach_args *); 40 static void sis_sata_chip_map(struct pciide_softc *, struct pci_attach_args *); 41 static void sis_setup_channel(struct ata_channel *); 42 static void sis96x_setup_channel(struct ata_channel *); 43 44 static int sis_hostbr_match(struct pci_attach_args *); 45 static int sis_south_match(struct pci_attach_args *); 46 47 static int siside_match(device_t, cfdata_t, void *); 48 static void siside_attach(device_t, device_t, void *); 49 50 CFATTACH_DECL_NEW(siside, sizeof(struct pciide_softc), 51 siside_match, siside_attach, NULL, NULL); 52 53 static const struct pciide_product_desc pciide_sis_products[] = { 54 { PCI_PRODUCT_SIS_5597_IDE, 55 0, 56 NULL, 57 sis_chip_map, 58 }, 59 { PCI_PRODUCT_SIS_180_SATA, 60 0, 61 NULL, 62 sis_sata_chip_map, 63 }, 64 { PCI_PRODUCT_SIS_181_SATA, 65 0, 66 NULL, 67 sis_sata_chip_map, 68 }, 69 { PCI_PRODUCT_SIS_182_SATA, 70 0, 71 NULL, 72 sis_sata_chip_map, 73 }, 74 { 0, 75 0, 76 NULL, 77 NULL 78 } 79 }; 80 81 static int 82 siside_match(device_t parent, cfdata_t match, void *aux) 83 { 84 struct pci_attach_args *pa = aux; 85 86 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS) { 87 if (pciide_lookup_product(pa->pa_id, pciide_sis_products)) 88 return (2); 89 } 90 return (0); 91 } 92 93 static void 94 siside_attach(device_t parent, device_t self, void *aux) 95 { 96 struct pci_attach_args *pa = aux; 97 struct pciide_softc *sc = device_private(self); 98 pci_chipset_tag_t pc = pa->pa_pc; 99 pcitag_t tag = pa->pa_tag; 100 pcireg_t csr; 101 102 sc->sc_wdcdev.sc_atac.atac_dev = self; 103 104 pciide_common_attach(sc, pa, 105 pciide_lookup_product(pa->pa_id, pciide_sis_products)); 106 107 csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 108 if (csr & PCI_COMMAND_INTERRUPT_DISABLE) { 109 csr &= ~PCI_COMMAND_INTERRUPT_DISABLE; 110 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); 111 } 112 } 113 114 static struct sis_hostbr_type { 115 u_int16_t id; 116 u_int8_t rev; 117 u_int8_t udma_mode; 118 const char *name; 119 u_int8_t type; 120 #define SIS_TYPE_NOUDMA 0 121 #define SIS_TYPE_66 1 122 #define SIS_TYPE_100OLD 2 123 #define SIS_TYPE_100NEW 3 124 #define SIS_TYPE_133OLD 4 125 #define SIS_TYPE_133NEW 5 126 #define SIS_TYPE_SOUTH 6 127 } sis_hostbr_type[] = { 128 /* Most infos here are from sos@freebsd.org */ 129 {PCI_PRODUCT_SIS_530HB, 0x00, 4, "530", SIS_TYPE_66}, 130 #if 0 131 /* 132 * controllers associated to a rev 0x2 530 Host to PCI Bridge 133 * have problems with UDMA (info provided by Christos) 134 */ 135 {PCI_PRODUCT_SIS_530HB, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA}, 136 #endif 137 {PCI_PRODUCT_SIS_540HB, 0x00, 4, "540", SIS_TYPE_66}, 138 {PCI_PRODUCT_SIS_550HB, 0x00, 4, "550", SIS_TYPE_66}, 139 {PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66}, 140 {PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66}, 141 {PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW}, 142 {PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW}, 143 {PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW}, 144 {PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH}, 145 {PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH}, 146 {PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH}, 147 {PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH}, 148 {PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH}, 149 {PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH}, 150 {PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH}, 151 {PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH}, 152 {PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH}, 153 {PCI_PRODUCT_SIS_661, 0x00, 6, "661", SIS_TYPE_SOUTH}, 154 {PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD}, 155 {PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW}, 156 {PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW}, 157 {PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH}, 158 {PCI_PRODUCT_SIS_741, 0x00, 5, "741", SIS_TYPE_SOUTH}, 159 {PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW}, 160 {PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH}, 161 {PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH}, 162 {PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH}, 163 {PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH}, 164 {PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH}, 165 {PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH}, 166 {PCI_PRODUCT_SIS_760, 0x00, 6, "760", SIS_TYPE_133NEW}, 167 /* 168 * From sos@freebsd.org: the 0x961 ID will never be found in real world 169 * {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW}, 170 */ 171 {PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW}, 172 {PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW}, 173 {PCI_PRODUCT_SIS_964, 0x00, 6, "964", SIS_TYPE_133NEW}, 174 {PCI_PRODUCT_SIS_965, 0x00, 6, "965", SIS_TYPE_133NEW}, 175 }; 176 177 static struct sis_hostbr_type *sis_hostbr_type_match; 178 179 static int 180 sis_hostbr_match(struct pci_attach_args *pa) 181 { 182 int i; 183 pcireg_t id, reg; 184 185 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS) 186 return 0; 187 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503) { 188 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, SIS96x_DETECT); 189 pci_conf_write(pa->pa_pc, pa->pa_tag, SIS96x_DETECT, 190 reg | SIS96x_DETECT_MASQ); 191 id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG); 192 if (((PCI_PRODUCT(id) & 0xfff0) != 0x0960) 193 && (PCI_PRODUCT(id) != 0x0018)) { 194 pci_conf_write(pa->pa_pc, pa->pa_tag, SIS96x_DETECT, 195 reg); 196 } else { 197 pa->pa_id = id; 198 } 199 } 200 201 sis_hostbr_type_match = NULL; 202 for (i = 0; 203 i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]); 204 i++) { 205 if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id && 206 PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev) 207 sis_hostbr_type_match = &sis_hostbr_type[i]; 208 } 209 return (sis_hostbr_type_match != NULL); 210 } 211 212 static int 213 sis_south_match(struct pci_attach_args *pa) 214 { 215 216 return (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS && 217 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 && 218 PCI_REVISION(pa->pa_class) >= 0x10); 219 } 220 221 static void 222 sis_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 223 { 224 struct pciide_channel *cp; 225 int channel; 226 u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); 227 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 228 pcireg_t rev = PCI_REVISION(pa->pa_class); 229 bus_size_t cmdsize, ctlsize; 230 231 if (pciide_chipen(sc, pa) == 0) 232 return; 233 234 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, 235 "Silicon Integrated Systems "); 236 pci_find_device(NULL, sis_hostbr_match); 237 if (sis_hostbr_type_match) { 238 if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) { 239 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57, 240 pciide_pci_read(sc->sc_pc, sc->sc_tag, 241 SIS_REG_57) & 0x7f); 242 if (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, 243 PCI_ID_REG)) == SIS_PRODUCT_5518) { 244 aprint_normal("96X UDMA%d", 245 sis_hostbr_type_match->udma_mode); 246 sc->sis_type = SIS_TYPE_133NEW; 247 sc->sc_wdcdev.sc_atac.atac_udma_cap = 248 sis_hostbr_type_match->udma_mode; 249 } else { 250 if (pci_find_device(NULL, sis_south_match)) { 251 sc->sis_type = SIS_TYPE_133OLD; 252 sc->sc_wdcdev.sc_atac.atac_udma_cap = 253 sis_hostbr_type_match->udma_mode; 254 } else { 255 sc->sis_type = SIS_TYPE_100NEW; 256 sc->sc_wdcdev.sc_atac.atac_udma_cap = 257 sis_hostbr_type_match->udma_mode; 258 } 259 } 260 } else { 261 sc->sis_type = sis_hostbr_type_match->type; 262 sc->sc_wdcdev.sc_atac.atac_udma_cap = 263 sis_hostbr_type_match->udma_mode; 264 } 265 aprint_normal(sis_hostbr_type_match->name); 266 } else { 267 aprint_normal("5597/5598"); 268 if (rev >= 0xd0) { 269 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 270 sc->sis_type = SIS_TYPE_66; 271 } else { 272 sc->sc_wdcdev.sc_atac.atac_udma_cap = 0; 273 sc->sis_type = SIS_TYPE_NOUDMA; 274 } 275 } 276 aprint_normal(" IDE controller (rev. 0x%02x)\n", 277 PCI_REVISION(pa->pa_class)); 278 aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, 279 "bus-master DMA support present"); 280 pciide_mapreg_dma(sc, pa); 281 aprint_verbose("\n"); 282 283 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 284 if (sc->sc_dma_ok) { 285 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA; 286 sc->sc_wdcdev.irqack = pciide_irqack; 287 if (sc->sis_type >= SIS_TYPE_66) 288 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA; 289 } 290 291 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 292 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 293 294 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 295 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 296 switch(sc->sis_type) { 297 case SIS_TYPE_NOUDMA: 298 case SIS_TYPE_66: 299 case SIS_TYPE_100OLD: 300 sc->sc_wdcdev.sc_atac.atac_set_modes = sis_setup_channel; 301 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, 302 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | 303 SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC); 304 break; 305 case SIS_TYPE_100NEW: 306 case SIS_TYPE_133OLD: 307 sc->sc_wdcdev.sc_atac.atac_set_modes = sis_setup_channel; 308 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49, 309 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01); 310 break; 311 case SIS_TYPE_133NEW: 312 sc->sc_wdcdev.sc_atac.atac_set_modes = sis96x_setup_channel; 313 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50, 314 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7); 315 pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52, 316 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7); 317 break; 318 } 319 320 wdc_allocate_regs(&sc->sc_wdcdev); 321 322 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 323 channel++) { 324 cp = &sc->pciide_channels[channel]; 325 if (pciide_chansetup(sc, channel, interface) == 0) 326 continue; 327 if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || 328 (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { 329 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, 330 "%s channel ignored (disabled)\n", cp->name); 331 cp->ata_channel.ch_flags |= ATACH_DISABLED; 332 continue; 333 } 334 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 335 pciide_pci_intr); 336 } 337 } 338 339 static void 340 sis96x_setup_channel(struct ata_channel *chp) 341 { 342 struct ata_drive_datas *drvp; 343 int drive, s; 344 u_int32_t sis_tim; 345 u_int32_t idedma_ctl; 346 int regtim; 347 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 348 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 349 350 sis_tim = 0; 351 idedma_ctl = 0; 352 /* setup DMA if needed */ 353 pciide_channel_dma_setup(cp); 354 355 for (drive = 0; drive < 2; drive++) { 356 regtim = SIS_TIM133( 357 pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57), 358 chp->ch_channel, drive); 359 drvp = &chp->ch_drive[drive]; 360 /* If no drive, skip */ 361 if ((drvp->drive_flags & DRIVE) == 0) 362 continue; 363 /* add timing values, setup DMA if needed */ 364 if (drvp->drive_flags & DRIVE_UDMA) { 365 /* use Ultra/DMA */ 366 s = splbio(); 367 drvp->drive_flags &= ~DRIVE_DMA; 368 splx(s); 369 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, 370 SIS96x_REG_CBL(chp->ch_channel)) & SIS96x_REG_CBL_33) { 371 if (drvp->UDMA_mode > 2) 372 drvp->UDMA_mode = 2; 373 } 374 sis_tim |= sis_udma133new_tim[drvp->UDMA_mode]; 375 sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; 376 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 377 } else if (drvp->drive_flags & DRIVE_DMA) { 378 /* 379 * use Multiword DMA 380 * Timings will be used for both PIO and DMA, 381 * so adjust DMA mode if needed 382 */ 383 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 384 drvp->PIO_mode = drvp->DMA_mode + 2; 385 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 386 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 387 drvp->PIO_mode - 2 : 0; 388 sis_tim |= sis_dma133new_tim[drvp->DMA_mode]; 389 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 390 } else { 391 sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; 392 } 393 ATADEBUG_PRINT(("sis96x_setup_channel: new timings reg for " 394 "channel %d drive %d: 0x%x (reg 0x%x)\n", 395 chp->ch_channel, drive, sis_tim, regtim), DEBUG_PROBE); 396 pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim); 397 } 398 if (idedma_ctl != 0) { 399 /* Add software bits in status register */ 400 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 401 idedma_ctl); 402 } 403 } 404 405 static void 406 sis_setup_channel(struct ata_channel *chp) 407 { 408 struct ata_drive_datas *drvp; 409 int drive, s; 410 u_int32_t sis_tim; 411 u_int32_t idedma_ctl; 412 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 413 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 414 415 ATADEBUG_PRINT(("sis_setup_channel: old timings reg for " 416 "channel %d 0x%x\n", chp->ch_channel, 417 pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->ch_channel))), 418 DEBUG_PROBE); 419 sis_tim = 0; 420 idedma_ctl = 0; 421 /* setup DMA if needed */ 422 pciide_channel_dma_setup(cp); 423 424 for (drive = 0; drive < 2; drive++) { 425 drvp = &chp->ch_drive[drive]; 426 /* If no drive, skip */ 427 if ((drvp->drive_flags & DRIVE) == 0) 428 continue; 429 /* add timing values, setup DMA if needed */ 430 if ((drvp->drive_flags & DRIVE_DMA) == 0 && 431 (drvp->drive_flags & DRIVE_UDMA) == 0) 432 goto pio; 433 434 if (drvp->drive_flags & DRIVE_UDMA) { 435 /* use Ultra/DMA */ 436 s = splbio(); 437 drvp->drive_flags &= ~DRIVE_DMA; 438 splx(s); 439 if (pciide_pci_read(sc->sc_pc, sc->sc_tag, 440 SIS_REG_CBL) & SIS_REG_CBL_33(chp->ch_channel)) { 441 if (drvp->UDMA_mode > 2) 442 drvp->UDMA_mode = 2; 443 } 444 switch (sc->sis_type) { 445 case SIS_TYPE_66: 446 case SIS_TYPE_100OLD: 447 sis_tim |= sis_udma66_tim[drvp->UDMA_mode] << 448 SIS_TIM66_UDMA_TIME_OFF(drive); 449 break; 450 case SIS_TYPE_100NEW: 451 sis_tim |= 452 sis_udma100new_tim[drvp->UDMA_mode] << 453 SIS_TIM100_UDMA_TIME_OFF(drive); 454 case SIS_TYPE_133OLD: 455 sis_tim |= 456 sis_udma133old_tim[drvp->UDMA_mode] << 457 SIS_TIM100_UDMA_TIME_OFF(drive); 458 break; 459 default: 460 aprint_error("unknown SiS IDE type %d\n", 461 sc->sis_type); 462 } 463 } else { 464 /* 465 * use Multiword DMA 466 * Timings will be used for both PIO and DMA, 467 * so adjust DMA mode if needed 468 */ 469 if (drvp->PIO_mode > (drvp->DMA_mode + 2)) 470 drvp->PIO_mode = drvp->DMA_mode + 2; 471 if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) 472 drvp->DMA_mode = (drvp->PIO_mode > 2) ? 473 drvp->PIO_mode - 2 : 0; 474 if (drvp->DMA_mode == 0) 475 drvp->PIO_mode = 0; 476 } 477 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 478 pio: switch (sc->sis_type) { 479 case SIS_TYPE_NOUDMA: 480 case SIS_TYPE_66: 481 case SIS_TYPE_100OLD: 482 sis_tim |= sis_pio_act[drvp->PIO_mode] << 483 SIS_TIM66_ACT_OFF(drive); 484 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 485 SIS_TIM66_REC_OFF(drive); 486 break; 487 case SIS_TYPE_100NEW: 488 case SIS_TYPE_133OLD: 489 sis_tim |= sis_pio_act[drvp->PIO_mode] << 490 SIS_TIM100_ACT_OFF(drive); 491 sis_tim |= sis_pio_rec[drvp->PIO_mode] << 492 SIS_TIM100_REC_OFF(drive); 493 break; 494 default: 495 aprint_error("unknown SiS IDE type %d\n", 496 sc->sis_type); 497 } 498 } 499 ATADEBUG_PRINT(("sis_setup_channel: new timings reg for " 500 "channel %d 0x%x\n", chp->ch_channel, sis_tim), DEBUG_PROBE); 501 pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->ch_channel), 502 sis_tim); 503 if (idedma_ctl != 0) { 504 /* Add software bits in status register */ 505 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 506 idedma_ctl); 507 } 508 } 509 510 static void 511 sis_sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 512 { 513 struct pciide_channel *cp; 514 pcireg_t interface = PCI_INTERFACE(pa->pa_class); 515 int channel; 516 bus_size_t cmdsize, ctlsize; 517 518 if (pciide_chipen(sc, pa) == 0) 519 return; 520 521 if (interface == 0) { 522 ATADEBUG_PRINT(("sis_sata_chip_map interface == 0\n"), 523 DEBUG_PROBE); 524 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 525 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 526 } 527 528 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, 529 "Silicon Integrated Systems 180/96X SATA controller " 530 "(rev. 0x%02x)\n", PCI_REVISION(pa->pa_class)); 531 532 aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, 533 "bus-master DMA support present"); 534 pciide_mapreg_dma(sc, pa); 535 aprint_verbose("\n"); 536 537 if (sc->sc_dma_ok) { 538 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_UDMA | ATAC_CAP_DMA; 539 sc->sc_wdcdev.irqack = pciide_irqack; 540 } 541 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 542 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 543 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 544 545 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 546 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 547 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 548 sc->sc_wdcdev.sc_atac.atac_set_modes = sata_setup_channel; 549 550 wdc_allocate_regs(&sc->sc_wdcdev); 551 552 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 553 channel++) { 554 cp = &sc->pciide_channels[channel]; 555 if (pciide_chansetup(sc, channel, interface) == 0) 556 continue; 557 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 558 pciide_pci_intr); 559 } 560 } 561