1 /* 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4 * All rights reserved. 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 acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. SHimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: src/sys/dev/firewire/fwohci_pci.c,v 1.3.2.11 2003/04/28 03:29:18 simokawa Exp $ 35 * $DragonFly: src/sys/bus/firewire/fwohci_pci.c,v 1.3 2003/08/07 21:16:45 dillon Exp $ 36 */ 37 38 #define BOUNCE_BUFFER_TEST 0 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/module.h> 44 #include <sys/bus.h> 45 #include <sys/queue.h> 46 #include <machine/bus.h> 47 #include <sys/rman.h> 48 #include <sys/malloc.h> 49 #include <machine/resource.h> 50 51 #include <bus/pci/pcivar.h> 52 #include <bus/pci/pcireg.h> 53 54 #include "firewire.h" 55 #include "firewirereg.h" 56 57 #include "fwdma.h" 58 #include "fwohcireg.h" 59 #include "fwohcivar.h" 60 61 static int fwohci_pci_attach(device_t self); 62 static int fwohci_pci_detach(device_t self); 63 64 /* 65 * The probe routine. 66 */ 67 static int 68 fwohci_pci_probe( device_t dev ) 69 { 70 #if 1 71 u_int32_t id; 72 73 id = pci_get_devid(dev); 74 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) { 75 device_set_desc(dev, "NEC uPD72861"); 76 return 0; 77 } 78 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) { 79 device_set_desc(dev, "NEC uPD72871/2"); 80 return 0; 81 } 82 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72870)) { 83 device_set_desc(dev, "NEC uPD72870"); 84 return 0; 85 } 86 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD72874)) { 87 device_set_desc(dev, "NEC uPD72874"); 88 return 0; 89 } 90 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) { 91 device_set_desc(dev, "Texas Instruments TSB12LV22"); 92 return 0; 93 } 94 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) { 95 device_set_desc(dev, "Texas Instruments TSB12LV23"); 96 return 0; 97 } 98 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) { 99 device_set_desc(dev, "Texas Instruments TSB12LV26"); 100 return 0; 101 } 102 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) { 103 device_set_desc(dev, "Texas Instruments TSB43AA22"); 104 return 0; 105 } 106 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) { 107 device_set_desc(dev, "Texas Instruments TSB43AB22/A"); 108 return 0; 109 } 110 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43AB23)) { 111 device_set_desc(dev, "Texas Instruments TSB43AB23"); 112 return 0; 113 } 114 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) { 115 device_set_desc(dev, "Texas Instruments PCI4450"); 116 return 0; 117 } 118 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) { 119 device_set_desc(dev, "Texas Instruments PCI4410A"); 120 return 0; 121 } 122 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4451)) { 123 device_set_desc(dev, "Texas Instruments PCI4451"); 124 return 0; 125 } 126 if (id == (FW_VENDORID_SONY | FW_DEVICE_CX3022)) { 127 device_set_desc(dev, "Sony CX3022"); 128 return 0; 129 } 130 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) { 131 device_set_desc(dev, "VIA VT6306"); 132 return 0; 133 } 134 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C551)) { 135 device_set_desc(dev, "Ricoh R5C551"); 136 return 0; 137 } 138 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) { 139 device_set_desc(dev, "Ricoh R5C552"); 140 return 0; 141 } 142 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) { 143 device_set_desc(dev, "Apple Pangea"); 144 return 0; 145 } 146 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) { 147 device_set_desc(dev, "Apple UniNorth"); 148 return 0; 149 } 150 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) { 151 device_set_desc(dev, "Lucent FW322/323"); 152 return 0; 153 } 154 #endif 155 if (pci_get_class(dev) == PCIC_SERIALBUS 156 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW 157 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) { 158 device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev), 159 pci_get_device(dev)); 160 device_set_desc(dev, "1394 Open Host Controller Interface"); 161 return 0; 162 } 163 164 return ENXIO; 165 } 166 167 #if __FreeBSD_version < 500000 168 static void 169 fwohci_dummy_intr(void *arg) 170 { 171 /* XXX do nothing */ 172 } 173 #endif 174 175 static int 176 fwohci_pci_init(device_t self) 177 { 178 int olatency, latency, ocache_line, cache_line; 179 u_int16_t cmd; 180 181 cmd = pci_read_config(self, PCIR_COMMAND, 2); 182 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN | 183 PCIM_CMD_SERRESPEN | PCIM_CMD_PERRESPEN; 184 #if 1 185 cmd &= ~PCIM_CMD_MWRICEN; 186 #endif 187 pci_write_config(self, PCIR_COMMAND, cmd, 2); 188 189 latency = olatency = pci_read_config(self, PCIR_LATTIMER, 1); 190 #define DEF_LATENCY 0x20 191 if (olatency < DEF_LATENCY) { 192 latency = DEF_LATENCY; 193 pci_write_config(self, PCIR_LATTIMER, latency, 1); 194 } 195 196 cache_line = ocache_line = pci_read_config(self, PCIR_CACHELNSZ, 1); 197 #define DEF_CACHE_LINE 8 198 if (ocache_line < DEF_CACHE_LINE) { 199 cache_line = DEF_CACHE_LINE; 200 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1); 201 } 202 203 if (firewire_debug) { 204 device_printf(self, "latency timer %d -> %d.\n", 205 olatency, latency); 206 device_printf(self, "cache size %d -> %d.\n", 207 ocache_line, cache_line); 208 } 209 210 return 0; 211 } 212 213 static int 214 fwohci_pci_attach(device_t self) 215 { 216 fwohci_softc_t *sc = device_get_softc(self); 217 int err; 218 int rid, s; 219 #if __FreeBSD_version < 500000 220 int intr; 221 /* For the moment, put in a message stating what is wrong */ 222 intr = pci_read_config(self, PCIR_INTLINE, 1); 223 if (intr == 0 || intr == 255) { 224 device_printf(self, "Invalid irq %d\n", intr); 225 #ifdef __i386__ 226 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n"); 227 #endif 228 } 229 #endif 230 231 if (bootverbose) 232 firewire_debug = bootverbose; 233 234 fwohci_pci_init(self); 235 236 rid = PCI_CBMEM; 237 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 238 0, ~0, 1, RF_ACTIVE); 239 if (!sc->bsr) { 240 device_printf(self, "Could not map memory\n"); 241 return ENXIO; 242 } 243 244 sc->bst = rman_get_bustag(sc->bsr); 245 sc->bsh = rman_get_bushandle(sc->bsr); 246 247 rid = 0; 248 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, 249 RF_SHAREABLE | RF_ACTIVE); 250 if (sc->irq_res == NULL) { 251 device_printf(self, "Could not allocate irq\n"); 252 fwohci_pci_detach(self); 253 return ENXIO; 254 } 255 256 sc->fc.bdev = device_add_child(self, "firewire", -1); 257 if (!sc->fc.bdev) { 258 device_printf(self, "Could not add firewire device\n"); 259 fwohci_pci_detach(self); 260 return ENOMEM; 261 } 262 device_set_ivars(sc->fc.bdev, sc); 263 264 err = bus_setup_intr(self, sc->irq_res, 265 #if FWOHCI_TASKQUEUE 266 INTR_TYPE_NET | INTR_MPSAFE, 267 #else 268 INTR_TYPE_NET, 269 #endif 270 (driver_intr_t *) fwohci_intr, sc, &sc->ih); 271 #if __FreeBSD_version < 500000 272 /* XXX splcam() should mask this irq for sbp.c*/ 273 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM, 274 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam); 275 #endif 276 if (err) { 277 device_printf(self, "Could not setup irq, %d\n", err); 278 fwohci_pci_detach(self); 279 return ENXIO; 280 } 281 282 err = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 283 /*boundary*/0, 284 #if BOUNCE_BUFFER_TEST 285 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 286 #else 287 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 288 #endif 289 /*highaddr*/BUS_SPACE_MAXADDR, 290 /*filter*/NULL, /*filterarg*/NULL, 291 /*maxsize*/0x100000, 292 /*nsegments*/0x20, 293 /*maxsegsz*/0x8000, 294 /*flags*/BUS_DMA_ALLOCNOW, 295 &sc->fc.dmat); 296 if (err != 0) { 297 printf("fwohci_pci_attach: Could not allocate DMA tag " 298 "- error %d\n", err); 299 return (ENOMEM); 300 } 301 302 err = fwohci_init(sc, self); 303 304 if (!err) 305 err = device_probe_and_attach(sc->fc.bdev); 306 307 if (err) { 308 device_printf(self, "FireWire init failed\n"); 309 fwohci_pci_detach(self); 310 return EIO; 311 } 312 313 /* XXX 314 * Clear the bus reset event flag to start transactions even when 315 * interrupt is disabled during the boot process. 316 */ 317 s = splfw(); 318 fwohci_intr((void *)sc); 319 splx(s); 320 321 return 0; 322 } 323 324 static int 325 fwohci_pci_detach(device_t self) 326 { 327 fwohci_softc_t *sc = device_get_softc(self); 328 int s; 329 330 331 s = splfw(); 332 333 fwohci_stop(sc, self); 334 bus_generic_detach(self); 335 336 /* disable interrupts that might have been switched on */ 337 if (sc->bst && sc->bsh) 338 bus_space_write_4(sc->bst, sc->bsh, 339 FWOHCI_INTMASKCLR, OHCI_INT_EN); 340 341 if (sc->irq_res) { 342 int err = bus_teardown_intr(self, sc->irq_res, sc->ih); 343 if (err) 344 /* XXX or should we panic? */ 345 device_printf(self, "Could not tear down irq, %d\n", 346 err); 347 #if __FreeBSD_version < 500000 348 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam); 349 #endif 350 sc->ih = NULL; 351 } 352 353 if (sc->fc.bdev) { 354 device_delete_child(self, sc->fc.bdev); 355 sc->fc.bdev = NULL; 356 } 357 358 if (sc->irq_res) { 359 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); 360 sc->irq_res = NULL; 361 } 362 363 if (sc->bsr) { 364 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr); 365 sc->bsr = NULL; 366 sc->bst = 0; 367 sc->bsh = 0; 368 } 369 370 fwohci_detach(sc, self); 371 splx(s); 372 373 return 0; 374 } 375 376 static int 377 fwohci_pci_suspend(device_t dev) 378 { 379 int err; 380 381 device_printf(dev, "fwohci_pci_suspend\n"); 382 err = bus_generic_suspend(dev); 383 if (err) 384 return err; 385 /* fwohci_stop(dev); */ 386 return 0; 387 } 388 389 static int 390 fwohci_pci_resume(device_t dev) 391 { 392 fwohci_softc_t *sc = device_get_softc(dev); 393 394 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n", 395 pci_get_powerstate(dev)); 396 fwohci_pci_init(dev); 397 fwohci_resume(sc, dev); 398 return 0; 399 } 400 401 static int 402 fwohci_pci_shutdown(device_t dev) 403 { 404 fwohci_softc_t *sc = device_get_softc(dev); 405 406 bus_generic_shutdown(dev); 407 fwohci_stop(sc, dev); 408 return 0; 409 } 410 411 static device_method_t fwohci_methods[] = { 412 /* Device interface */ 413 DEVMETHOD(device_probe, fwohci_pci_probe), 414 DEVMETHOD(device_attach, fwohci_pci_attach), 415 DEVMETHOD(device_detach, fwohci_pci_detach), 416 DEVMETHOD(device_suspend, fwohci_pci_suspend), 417 DEVMETHOD(device_resume, fwohci_pci_resume), 418 DEVMETHOD(device_shutdown, fwohci_pci_shutdown), 419 420 /* Bus interface */ 421 DEVMETHOD(bus_print_child, bus_generic_print_child), 422 423 { 0, 0 } 424 }; 425 426 static driver_t fwohci_driver = { 427 "fwohci", 428 fwohci_methods, 429 sizeof(fwohci_softc_t), 430 }; 431 432 static devclass_t fwohci_devclass; 433 434 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); 435 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); 436