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_add_child(device_t, int); 58 static void ata_pci_locknoop(struct ata_channel *, int); 59 60 static int 61 ata_pci_probe(device_t dev) 62 { 63 if (pci_get_class(dev) != PCIC_STORAGE) 64 return ENXIO; 65 66 switch (pci_get_vendor(dev)) { 67 case ATA_ACARD_ID: 68 return ata_acard_ident(dev); 69 case ATA_ACER_LABS_ID: 70 return ata_ali_ident(dev); 71 case ATA_AMD_ID: 72 return ata_amd_ident(dev); 73 case ATA_CYRIX_ID: 74 return ata_cyrix_ident(dev); 75 case ATA_CYPRESS_ID: 76 return ata_cypress_ident(dev); 77 case ATA_HIGHPOINT_ID: 78 return ata_highpoint_ident(dev); 79 case ATA_INTEL_ID: 80 return ata_intel_ident(dev); 81 case ATA_NVIDIA_ID: 82 return ata_nvidia_ident(dev); 83 case ATA_PROMISE_ID: 84 return ata_promise_ident(dev); 85 case ATA_SERVERWORKS_ID: 86 return ata_serverworks_ident(dev); 87 case ATA_SILICON_IMAGE_ID: 88 return ata_sii_ident(dev); 89 case ATA_SIS_ID: 90 return ata_sis_ident(dev); 91 case ATA_VIA_ID: 92 return ata_via_ident(dev); 93 94 case 0x16ca: 95 if (pci_get_devid(dev) == 0x000116ca) { 96 device_set_desc(dev, "Cenatek Rocket Drive controller"); 97 return 0; 98 } 99 return ENXIO; 100 101 case 0x1042: 102 if (pci_get_devid(dev)==0x10001042 || pci_get_devid(dev)==0x10011042) { 103 device_set_desc(dev, 104 "RZ 100? ATA controller !WARNING! buggy HW data loss possible"); 105 return 0; 106 } 107 return ENXIO; 108 109 /* unknown chipset, try generic DMA if it seems possible */ 110 default: 111 if (pci_get_class(dev) == PCIC_STORAGE && 112 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) 113 return ata_generic_ident(dev); 114 } 115 return ENXIO; 116 } 117 118 static int 119 ata_pci_attach(device_t dev) 120 { 121 struct ata_pci_controller *controller = device_get_softc(dev); 122 u_int8_t class, subclass; 123 u_int32_t type, cmd; 124 int rid; 125 126 /* set up vendor-specific stuff */ 127 type = pci_get_devid(dev); 128 class = pci_get_class(dev); 129 subclass = pci_get_subclass(dev); 130 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 131 132 if (!(cmd & PCIM_CMD_PORTEN)) { 133 device_printf(dev, "ATA channel disabled by BIOS\n"); 134 return 0; 135 } 136 137 #ifdef __sparc64__ 138 if (!(cmd & PCIM_CMD_BUSMASTEREN)) { 139 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2); 140 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 141 } 142 #endif 143 /* is busmastering supported ? */ 144 if ((cmd & (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) == 145 (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN)) { 146 147 /* is there a valid port range to connect to ? */ 148 rid = 0x20; 149 controller->r_bmio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 150 0, ~0, 1, RF_ACTIVE); 151 if (!controller->r_bmio) 152 device_printf(dev, "Busmastering DMA not configured\n"); 153 } 154 else 155 device_printf(dev, "Busmastering DMA not supported\n"); 156 157 /* do chipset specific setups only needed once */ 158 controller->dmainit = ata_dmainit; 159 controller->locking = ata_pci_locknoop; 160 controller->chipinit(dev); 161 162 if (controller->r_bmio) { 163 controller->bmaddr = rman_get_start(controller->r_bmio); 164 BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 165 SYS_RES_IOPORT, rid, controller->r_bmio); 166 controller->r_bmio = NULL; 167 } 168 169 ata_pci_add_child(dev, 0); 170 171 if (ATA_MASTERDEV(dev) || pci_read_config(dev, 0x18, 4) & IOMASK) 172 ata_pci_add_child(dev, 1); 173 174 return bus_generic_attach(dev); 175 } 176 177 static int 178 ata_pci_add_child(device_t dev, int unit) 179 { 180 /* check if this is located at one of the std addresses */ 181 if (ATA_MASTERDEV(dev)) { 182 if (!device_add_child(dev, "ata", unit)) 183 return ENOMEM; 184 } 185 else { 186 if (!device_add_child(dev, "ata", 187 devclass_find_free_unit(ata_devclass, 2))) 188 return ENOMEM; 189 } 190 return 0; 191 } 192 193 static int 194 ata_pci_print_child(device_t dev, device_t child) 195 { 196 struct ata_channel *ch = device_get_softc(child); 197 int retval = 0; 198 199 retval += bus_print_child_header(dev, child); 200 retval += printf(": at 0x%lx", rman_get_start(ch->r_io)); 201 202 if (ATA_MASTERDEV(dev)) 203 retval += printf(" irq %d", 14 + ch->unit); 204 205 retval += bus_print_child_footer(dev, child); 206 207 return retval; 208 } 209 210 static struct resource * 211 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 212 u_long start, u_long end, u_long count, u_int flags) 213 { 214 struct ata_pci_controller *controller = device_get_softc(dev); 215 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 216 struct resource *res = NULL; 217 int myrid; 218 219 if (type == SYS_RES_IOPORT) { 220 switch (*rid) { 221 case ATA_IOADDR_RID: 222 if (ATA_MASTERDEV(dev)) { 223 myrid = 0; 224 start = (unit ? ATA_SECONDARY : ATA_PRIMARY); 225 end = start + ATA_IOSIZE - 1; 226 count = ATA_IOSIZE; 227 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 228 SYS_RES_IOPORT, &myrid, 229 start, end, count, flags); 230 } 231 else { 232 myrid = 0x10 + 8 * unit; 233 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 234 SYS_RES_IOPORT, &myrid, 235 start, end, count, flags); 236 } 237 break; 238 239 case ATA_ALTADDR_RID: 240 if (ATA_MASTERDEV(dev)) { 241 myrid = 0; 242 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_ALTOFFSET; 243 end = start + ATA_ALTIOSIZE - 1; 244 count = ATA_ALTIOSIZE; 245 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 246 SYS_RES_IOPORT, &myrid, 247 start, end, count, flags); 248 } 249 else { 250 myrid = 0x14 + 8 * unit; 251 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 252 SYS_RES_IOPORT, &myrid, 253 start, end, count, flags); 254 if (res) { 255 start = rman_get_start(res) + 2; 256 end = start + ATA_ALTIOSIZE - 1; 257 count = ATA_ALTIOSIZE; 258 BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 259 SYS_RES_IOPORT, myrid, res); 260 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 261 SYS_RES_IOPORT, &myrid, 262 start, end, count, flags); 263 } 264 } 265 break; 266 267 case ATA_BMADDR_RID: 268 if (controller->bmaddr) { 269 myrid = 0x20; 270 start = (unit == 0 ? 271 controller->bmaddr : controller->bmaddr+ATA_BMIOSIZE); 272 end = start + ATA_BMIOSIZE - 1; 273 count = ATA_BMIOSIZE; 274 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 275 SYS_RES_IOPORT, &myrid, 276 start, end, count, flags); 277 } 278 } 279 return res; 280 } 281 282 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { 283 if (ATA_MASTERDEV(dev)) { 284 #ifdef __alpha__ 285 return alpha_platform_alloc_ide_intr(unit); 286 #else 287 int irq = (unit == 0 ? 14 : 15); 288 289 return BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 290 SYS_RES_IRQ, rid, irq, irq, 1, flags); 291 #endif 292 } 293 else { 294 return controller->r_irq; 295 } 296 } 297 return 0; 298 } 299 300 static int 301 ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 302 struct resource *r) 303 { 304 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 305 306 if (type == SYS_RES_IOPORT) { 307 switch (rid) { 308 case ATA_IOADDR_RID: 309 if (ATA_MASTERDEV(dev)) 310 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 311 SYS_RES_IOPORT, 0x0, r); 312 else 313 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 314 SYS_RES_IOPORT, 0x10 + 8 * unit, r); 315 break; 316 317 case ATA_ALTADDR_RID: 318 if (ATA_MASTERDEV(dev)) 319 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 320 SYS_RES_IOPORT, 0x0, r); 321 else 322 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 323 SYS_RES_IOPORT, 0x14 + 8 * unit, r); 324 break; 325 326 case ATA_BMADDR_RID: 327 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 328 SYS_RES_IOPORT, 0x20, r); 329 default: 330 return ENOENT; 331 } 332 } 333 if (type == SYS_RES_IRQ) { 334 if (rid != ATA_IRQ_RID) 335 return ENOENT; 336 337 if (ATA_MASTERDEV(dev)) { 338 #ifdef __alpha__ 339 return alpha_platform_release_ide_intr(unit, r); 340 #else 341 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 342 SYS_RES_IRQ, rid, r); 343 #endif 344 } 345 else 346 return 0; 347 } 348 return EINVAL; 349 } 350 351 static int 352 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, 353 int flags, driver_intr_t *function, void *argument, 354 void **cookiep) 355 { 356 if (ATA_MASTERDEV(dev)) { 357 #ifdef __alpha__ 358 return alpha_platform_setup_ide_intr(child, irq, function, argument, 359 cookiep); 360 #else 361 return BUS_SETUP_INTR(device_get_parent(dev), child, irq, 362 flags, function, argument, cookiep); 363 #endif 364 } 365 else { 366 struct ata_pci_controller *controller = device_get_softc(dev); 367 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 368 369 controller->interrupt[unit].function = function; 370 controller->interrupt[unit].argument = argument; 371 *cookiep = controller; 372 return 0; 373 } 374 } 375 376 static int 377 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, 378 void *cookie) 379 { 380 if (ATA_MASTERDEV(dev)) { 381 #ifdef __alpha__ 382 return alpha_platform_teardown_ide_intr(child, irq, cookie); 383 #else 384 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); 385 #endif 386 } 387 else { 388 struct ata_pci_controller *controller = device_get_softc(dev); 389 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 390 391 controller->interrupt[unit].function = NULL; 392 controller->interrupt[unit].argument = NULL; 393 return 0; 394 } 395 } 396 397 static void 398 ata_pci_locknoop(struct ata_channel *ch, int flags) 399 { 400 } 401 402 403 static device_method_t ata_pci_methods[] = { 404 /* device interface */ 405 DEVMETHOD(device_probe, ata_pci_probe), 406 DEVMETHOD(device_attach, ata_pci_attach), 407 DEVMETHOD(device_shutdown, bus_generic_shutdown), 408 DEVMETHOD(device_suspend, bus_generic_suspend), 409 DEVMETHOD(device_resume, bus_generic_resume), 410 411 /* bus methods */ 412 DEVMETHOD(bus_print_child, ata_pci_print_child), 413 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), 414 DEVMETHOD(bus_release_resource, ata_pci_release_resource), 415 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 416 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 417 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), 418 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), 419 { 0, 0 } 420 }; 421 422 static driver_t ata_pci_driver = { 423 "atapci", 424 ata_pci_methods, 425 sizeof(struct ata_pci_controller), 426 }; 427 428 static devclass_t ata_pci_devclass; 429 430 DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0); 431 432 static int 433 ata_pcisub_probe(device_t dev) 434 { 435 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 436 struct ata_channel *ch = device_get_softc(dev); 437 device_t *children; 438 int count, error, i; 439 440 /* find channel number on this controller */ 441 device_get_children(device_get_parent(dev), &children, &count); 442 for (i = 0; i < count; i++) { 443 if (children[i] == dev) 444 ch->unit = i; 445 } 446 free(children, M_TEMP); 447 448 ch->device[MASTER].setmode = ctlr->setmode; 449 ch->device[SLAVE].setmode = ctlr->setmode; 450 ch->locking = ctlr->locking; 451 ch->chiptype = pci_get_devid(device_get_parent(dev)); 452 453 if (!(error = ata_probe(dev)) && ch->r_bmio) { 454 /* if simplex controller, only allow DMA on primary channel */ 455 ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT, 456 ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) & 457 (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE)); 458 if (ch->unit == 1 && ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) & 459 ATA_BMSTAT_DMA_SIMPLEX) { 460 ata_printf(ch, -1, "simplex device, DMA on primary only\n"); 461 return error; 462 } 463 error = ctlr->dmainit(ch); 464 } 465 return error; 466 } 467 468 static device_method_t ata_pcisub_methods[] = { 469 /* device interface */ 470 DEVMETHOD(device_probe, ata_pcisub_probe), 471 DEVMETHOD(device_attach, ata_attach), 472 DEVMETHOD(device_detach, ata_detach), 473 DEVMETHOD(device_resume, ata_resume), 474 { 0, 0 } 475 }; 476 477 static driver_t ata_pcisub_driver = { 478 "ata", 479 ata_pcisub_methods, 480 sizeof(struct ata_channel), 481 }; 482 483 DRIVER_MODULE(ata, atapci, ata_pcisub_driver, ata_devclass, 0, 0); 484