1 /*- 2 * Copyright (c) 1998 - 2003 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 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. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include "opt_ata.h" 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 #include <sys/bus.h> 37 #include <sys/malloc.h> 38 #include <machine/stdarg.h> 39 #include <machine/resource.h> 40 #include <machine/bus.h> 41 #ifdef __alpha__ 42 #include <machine/md_var.h> 43 #endif 44 #include <sys/rman.h> 45 #include <pci/pcivar.h> 46 #include <pci/pcireg.h> 47 #include <dev/ata/ata-all.h> 48 #include <dev/ata/ata-pci.h> 49 50 /* local vars */ 51 static MALLOC_DEFINE(M_ATAPCI, "ATA PCI", "ATA driver PCI"); 52 53 /* misc defines */ 54 #define IOMASK 0xfffffffc 55 56 /* prototypes */ 57 static int ata_pci_allocate(device_t, struct ata_channel *); 58 static int ata_pci_dmainit(struct ata_channel *); 59 static void ata_pci_locknoop(struct ata_channel *, int); 60 61 static int 62 ata_pci_probe(device_t dev) 63 { 64 if (pci_get_class(dev) != PCIC_STORAGE) 65 return ENXIO; 66 67 switch (pci_get_vendor(dev)) { 68 case ATA_ACARD_ID: 69 return ata_acard_ident(dev); 70 case ATA_ACER_LABS_ID: 71 return ata_ali_ident(dev); 72 case ATA_AMD_ID: 73 return ata_amd_ident(dev); 74 case ATA_CYRIX_ID: 75 return ata_cyrix_ident(dev); 76 case ATA_CYPRESS_ID: 77 return ata_cypress_ident(dev); 78 case ATA_HIGHPOINT_ID: 79 return ata_highpoint_ident(dev); 80 case ATA_INTEL_ID: 81 return ata_intel_ident(dev); 82 case ATA_NVIDIA_ID: 83 return ata_nvidia_ident(dev); 84 case ATA_PROMISE_ID: 85 return ata_promise_ident(dev); 86 case ATA_SERVERWORKS_ID: 87 return ata_serverworks_ident(dev); 88 case ATA_SILICON_IMAGE_ID: 89 return ata_sii_ident(dev); 90 case ATA_SIS_ID: 91 return ata_sis_ident(dev); 92 case ATA_VIA_ID: 93 return ata_via_ident(dev); 94 95 case 0x16ca: 96 if (pci_get_devid(dev) == 0x000116ca) { 97 ata_generic_ident(dev); 98 device_set_desc(dev, "Cenatek Rocket Drive controller"); 99 return 0; 100 } 101 return ENXIO; 102 103 case 0x1042: 104 if (pci_get_devid(dev)==0x10001042 || pci_get_devid(dev)==0x10011042) { 105 ata_generic_ident(dev); 106 device_set_desc(dev, 107 "RZ 100? ATA controller !WARNING! buggy HW data loss possible"); 108 return 0; 109 } 110 return ENXIO; 111 112 /* unknown chipset, try generic DMA if it seems possible */ 113 default: 114 if (pci_get_class(dev) == PCIC_STORAGE && 115 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) 116 return ata_generic_ident(dev); 117 } 118 return ENXIO; 119 } 120 121 static int 122 ata_pci_attach(device_t dev) 123 { 124 struct ata_pci_controller *ctlr = device_get_softc(dev); 125 u_int8_t class, subclass; 126 u_int32_t type, cmd; 127 int unit; 128 129 /* set up vendor-specific stuff */ 130 type = pci_get_devid(dev); 131 class = pci_get_class(dev); 132 subclass = pci_get_subclass(dev); 133 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 134 135 if (!(cmd & PCIM_CMD_PORTEN)) { 136 device_printf(dev, "ATA channel disabled by BIOS\n"); 137 return 0; 138 } 139 140 /* do chipset specific setups only needed once */ 141 if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK) 142 ctlr->channels = 2; 143 else 144 ctlr->channels = 1; 145 ctlr->allocate = ata_pci_allocate; 146 ctlr->dmainit = ata_pci_dmainit; 147 ctlr->locking = ata_pci_locknoop; 148 149 #ifdef __sparc64__ 150 if (!(cmd & PCIM_CMD_BUSMASTEREN)) { 151 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2); 152 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 153 } 154 #endif 155 /* if busmastering configured get the I/O resource */ 156 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) { 157 int rid = ATA_BMADDR_RID; 158 159 ctlr->r_io1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 160 0, ~0, 1, RF_ACTIVE); 161 } 162 163 ctlr->chipinit(dev); 164 165 /* attach all channels on this controller */ 166 for (unit = 0; unit < ctlr->channels; unit++) 167 device_add_child(dev, "ata", ATA_MASTERDEV(dev) ? 168 unit : devclass_find_free_unit(ata_devclass, 2)); 169 170 return bus_generic_attach(dev); 171 } 172 173 174 static int 175 ata_pci_print_child(device_t dev, device_t child) 176 { 177 struct ata_channel *ch = device_get_softc(child); 178 int retval = 0; 179 180 retval += bus_print_child_header(dev, child); 181 retval += printf(": at 0x%lx", rman_get_start(ch->r_io[ATA_IDX_ADDR].res)); 182 183 if (ATA_MASTERDEV(dev)) 184 retval += printf(" irq %d", 14 + ch->unit); 185 186 retval += bus_print_child_footer(dev, child); 187 188 return retval; 189 } 190 191 static struct resource * 192 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 193 u_long start, u_long end, u_long count, u_int flags) 194 { 195 struct ata_pci_controller *controller = device_get_softc(dev); 196 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 197 struct resource *res = NULL; 198 int myrid; 199 200 if (type == SYS_RES_IOPORT) { 201 switch (*rid) { 202 case ATA_IOADDR_RID: 203 if (ATA_MASTERDEV(dev)) { 204 myrid = 0; 205 start = (unit ? ATA_SECONDARY : ATA_PRIMARY); 206 end = start + ATA_IOSIZE - 1; 207 count = ATA_IOSIZE; 208 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 209 SYS_RES_IOPORT, &myrid, 210 start, end, count, flags); 211 } 212 else { 213 myrid = 0x10 + 8 * unit; 214 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 215 SYS_RES_IOPORT, &myrid, 216 start, end, count, flags); 217 } 218 break; 219 220 case ATA_ALTADDR_RID: 221 if (ATA_MASTERDEV(dev)) { 222 myrid = 0; 223 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET; 224 end = start + ATA_ALTIOSIZE - 1; 225 count = ATA_ALTIOSIZE; 226 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 227 SYS_RES_IOPORT, &myrid, 228 start, end, count, flags); 229 } 230 else { 231 myrid = 0x14 + 8 * unit; 232 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 233 SYS_RES_IOPORT, &myrid, 234 start, end, count, flags); 235 if (res) { 236 start = rman_get_start(res) + 2; 237 end = start + ATA_ALTIOSIZE - 1; 238 count = ATA_ALTIOSIZE; 239 BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 240 SYS_RES_IOPORT, myrid, res); 241 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 242 SYS_RES_IOPORT, &myrid, 243 start, end, count, flags); 244 } 245 } 246 break; 247 } 248 return res; 249 } 250 251 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { 252 if (ATA_MASTERDEV(dev)) { 253 #ifdef __alpha__ 254 return alpha_platform_alloc_ide_intr(unit); 255 #else 256 int irq = (unit == 0 ? 14 : 15); 257 258 return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 259 SYS_RES_IRQ, rid, irq, irq, 1, flags); 260 #endif 261 } 262 else { 263 return controller->r_irq; 264 } 265 } 266 return 0; 267 } 268 269 static int 270 ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 271 struct resource *r) 272 { 273 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 274 275 if (type == SYS_RES_IOPORT) { 276 switch (rid) { 277 case ATA_IOADDR_RID: 278 if (ATA_MASTERDEV(dev)) 279 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 280 SYS_RES_IOPORT, 0x0, r); 281 else 282 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 283 SYS_RES_IOPORT, 0x10 + 8 * unit, r); 284 break; 285 286 case ATA_ALTADDR_RID: 287 if (ATA_MASTERDEV(dev)) 288 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 289 SYS_RES_IOPORT, 0x0, r); 290 else 291 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 292 SYS_RES_IOPORT, 0x14 + 8 * unit, r); 293 break; 294 default: 295 return ENOENT; 296 } 297 } 298 if (type == SYS_RES_IRQ) { 299 if (rid != ATA_IRQ_RID) 300 return ENOENT; 301 302 if (ATA_MASTERDEV(dev)) { 303 #ifdef __alpha__ 304 return alpha_platform_release_ide_intr(unit, r); 305 #else 306 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 307 SYS_RES_IRQ, rid, r); 308 #endif 309 } 310 else 311 return 0; 312 } 313 return EINVAL; 314 } 315 316 static int 317 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, 318 int flags, driver_intr_t *function, void *argument, 319 void **cookiep) 320 { 321 if (ATA_MASTERDEV(dev)) { 322 #ifdef __alpha__ 323 return alpha_platform_setup_ide_intr(child, irq, function, argument, 324 cookiep); 325 #else 326 return BUS_SETUP_INTR(device_get_parent(dev), child, irq, 327 flags, function, argument, cookiep); 328 #endif 329 } 330 else { 331 struct ata_pci_controller *controller = device_get_softc(dev); 332 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 333 334 controller->interrupt[unit].function = function; 335 controller->interrupt[unit].argument = argument; 336 *cookiep = controller; 337 return 0; 338 } 339 } 340 341 static int 342 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, 343 void *cookie) 344 { 345 if (ATA_MASTERDEV(dev)) { 346 #ifdef __alpha__ 347 return alpha_platform_teardown_ide_intr(child, irq, cookie); 348 #else 349 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); 350 #endif 351 } 352 else { 353 struct ata_pci_controller *controller = device_get_softc(dev); 354 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 355 356 controller->interrupt[unit].function = NULL; 357 controller->interrupt[unit].argument = NULL; 358 return 0; 359 } 360 } 361 362 static int 363 ata_pci_allocate(device_t dev, struct ata_channel *ch) 364 { 365 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 366 struct resource *io = NULL, *altio = NULL; 367 int i, rid; 368 369 rid = ATA_IOADDR_RID; 370 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 371 0, ~0, ATA_IOSIZE, RF_ACTIVE); 372 if (!io) 373 return ENXIO; 374 375 rid = ATA_ALTADDR_RID; 376 altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 377 0, ~0, ATA_ALTIOSIZE, RF_ACTIVE); 378 if (!altio) { 379 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 380 return ENXIO; 381 } 382 383 for (i = ATA_DATA; i <= ATA_STATUS; i ++) { 384 ch->r_io[i].res = io; 385 ch->r_io[i].offset = i; 386 } 387 ch->r_io[ATA_ALTSTAT].res = altio; 388 ch->r_io[ATA_ALTSTAT].offset = 0; 389 ch->r_io[ATA_IDX_ADDR].res = io; 390 391 if (ctlr->r_io1) { 392 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { 393 ch->r_io[i].res = ctlr->r_io1; 394 ch->r_io[i].offset = (i - ATA_BMCMD_PORT)+(ch->unit * ATA_BMIOSIZE); 395 } 396 397 /* if simplex controller, only allow DMA on primary channel */ 398 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & 399 (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE)); 400 if (ch->unit > 0 && 401 (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX)) 402 device_printf(dev, "simplex device, DMA on primary only\n"); 403 else 404 ctlr->dmainit(ch); 405 } 406 return 0; 407 } 408 409 static int 410 ata_pci_dmastart(struct ata_channel *ch, caddr_t data, int32_t count, int dir) 411 { 412 int error; 413 414 if ((error = ata_dmastart(ch, data, count, dir))) 415 return error; 416 417 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, ch->dma->mdmatab); 418 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, dir ? ATA_BMCMD_WRITE_READ : 0); 419 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) | 420 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); 421 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 422 ATA_IDX_INB(ch, ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP); 423 return 0; 424 } 425 426 static int 427 ata_pci_dmastop(struct ata_channel *ch) 428 { 429 int error; 430 431 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT); 432 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 433 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 434 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 435 436 ata_dmastop(ch); 437 438 return (error & ATA_BMSTAT_MASK); 439 } 440 441 static int 442 ata_pci_dmainit(struct ata_channel *ch) 443 { 444 int error; 445 446 if ((error = ata_dmainit(ch))) 447 return error; 448 449 ch->dma->start = ata_pci_dmastart; 450 ch->dma->stop = ata_pci_dmastop; 451 return 0; 452 } 453 454 static void 455 ata_pci_locknoop(struct ata_channel *ch, int flags) 456 { 457 } 458 459 static device_method_t ata_pci_methods[] = { 460 /* device interface */ 461 DEVMETHOD(device_probe, ata_pci_probe), 462 DEVMETHOD(device_attach, ata_pci_attach), 463 DEVMETHOD(device_detach, ata_pci_attach), 464 DEVMETHOD(device_shutdown, bus_generic_shutdown), 465 DEVMETHOD(device_suspend, bus_generic_suspend), 466 DEVMETHOD(device_resume, bus_generic_resume), 467 468 /* bus methods */ 469 DEVMETHOD(bus_print_child, ata_pci_print_child), 470 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), 471 DEVMETHOD(bus_release_resource, ata_pci_release_resource), 472 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 473 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 474 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), 475 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), 476 { 0, 0 } 477 }; 478 479 static driver_t ata_pci_driver = { 480 "atapci", 481 ata_pci_methods, 482 sizeof(struct ata_pci_controller), 483 }; 484 485 static devclass_t ata_pci_devclass; 486 487 DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0); 488 489 static int 490 ata_pcisub_probe(device_t dev) 491 { 492 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 493 struct ata_channel *ch = device_get_softc(dev); 494 device_t *children; 495 int count, error, i; 496 497 /* find channel number on this controller */ 498 device_get_children(device_get_parent(dev), &children, &count); 499 for (i = 0; i < count; i++) { 500 if (children[i] == dev) 501 ch->unit = i; 502 } 503 free(children, M_TEMP); 504 505 if ((error = ctlr->allocate(dev, ch))) 506 return error; 507 508 if (ctlr->chip) 509 ch->chiptype = ctlr->chip->chipid; 510 ch->device[MASTER].setmode = ctlr->setmode; 511 ch->device[SLAVE].setmode = ctlr->setmode; 512 ch->locking = ctlr->locking; 513 return ata_probe(dev); 514 } 515 516 static device_method_t ata_pcisub_methods[] = { 517 /* device interface */ 518 DEVMETHOD(device_probe, ata_pcisub_probe), 519 DEVMETHOD(device_attach, ata_attach), 520 DEVMETHOD(device_detach, ata_detach), 521 DEVMETHOD(device_suspend, ata_suspend), 522 DEVMETHOD(device_resume, ata_resume), 523 { 0, 0 } 524 }; 525 526 static driver_t ata_pcisub_driver = { 527 "ata", 528 ata_pcisub_methods, 529 sizeof(struct ata_channel), 530 }; 531 532 DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0); 533