1 /* 2 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the acknowledgement as bellow: 15 * 16 * This product includes software developed by K. Kobayashi and H. SHimokawa 17 * 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/module.h> 40 #include <sys/bus.h> 41 #include <sys/queue.h> 42 #include <machine/bus.h> 43 #include <sys/rman.h> 44 #include <sys/malloc.h> 45 #include <machine/resource.h> 46 47 #include <pci/pcivar.h> 48 #include <pci/pcireg.h> 49 50 #include <dev/firewire/firewire.h> 51 #include <dev/firewire/firewirereg.h> 52 53 #include <dev/firewire/fwohcireg.h> 54 #include <dev/firewire/fwohcivar.h> 55 56 static int fwohci_pci_attach(device_t self); 57 static int fwohci_pci_detach(device_t self); 58 59 /* 60 * The probe routine. 61 */ 62 static int 63 fwohci_pci_probe( device_t dev ) 64 { 65 #if 1 66 u_int32_t id; 67 68 id = pci_get_devid(dev); 69 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) { 70 device_set_desc(dev, "NEC uPD72861"); 71 return 0; 72 } 73 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD871)) { 74 device_set_desc(dev, "NEC uPD72871/2"); 75 return 0; 76 } 77 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) { 78 device_set_desc(dev, "Texas Instruments TSB12LV22"); 79 return 0; 80 } 81 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) { 82 device_set_desc(dev, "Texas Instruments TSB12LV23"); 83 return 0; 84 } 85 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) { 86 device_set_desc(dev, "Texas Instruments TSB12LV26"); 87 return 0; 88 } 89 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) { 90 device_set_desc(dev, "Texas Instruments TSB43AA22"); 91 return 0; 92 } 93 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) { 94 device_set_desc(dev, "Texas Instruments TSB43AB22/A"); 95 return 0; 96 } 97 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) { 98 device_set_desc(dev, "Texas Instruments PCI4450"); 99 return 0; 100 } 101 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) { 102 device_set_desc(dev, "Texas Instruments PCI4410A"); 103 return 0; 104 } 105 if (id == (FW_VENDORID_SONY | FW_DEVICE_CX3022)) { 106 device_set_desc(dev, "SONY CX3022"); 107 return 0; 108 } 109 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) { 110 device_set_desc(dev, "VIA VT6306"); 111 return 0; 112 } 113 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) { 114 device_set_desc(dev, "Ricoh R5C552"); 115 return 0; 116 } 117 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) { 118 device_set_desc(dev, "Apple Pangea"); 119 return 0; 120 } 121 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) { 122 device_set_desc(dev, "Apple UniNorth"); 123 return 0; 124 } 125 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) { 126 device_set_desc(dev, "Lucent FW322/323"); 127 return 0; 128 } 129 #endif 130 if (pci_get_class(dev) == PCIC_SERIALBUS 131 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW 132 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) { 133 device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev), 134 pci_get_device(dev)); 135 device_set_desc(dev, "1394 Open Host Controller Interface"); 136 return 0; 137 } 138 139 return ENXIO; 140 } 141 142 #if __FreeBSD_version < 500000 143 static void 144 fwohci_dummy_intr(void *arg) 145 { 146 /* XXX do nothing */ 147 } 148 #endif 149 150 static int 151 fwohci_pci_init(device_t self) 152 { 153 int latency, cache_line; 154 u_int16_t cmd; 155 156 cmd = pci_read_config(self, PCIR_COMMAND, 2); 157 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN | 158 PCIM_CMD_SERRESPEN | PCIM_CMD_PERRESPEN; 159 #if 1 160 cmd &= ~PCIM_CMD_MWRICEN; 161 #endif 162 pci_write_config(self, PCIR_COMMAND, cmd, 2); 163 164 latency = pci_read_config(self, PCIR_LATTIMER, 1); 165 #define DEF_LATENCY 0x20 166 if( latency < DEF_LATENCY ) { 167 latency = DEF_LATENCY; 168 device_printf(self, "PCI bus latency was changing to"); 169 pci_write_config(self, PCIR_LATTIMER,latency, 1); 170 } else 171 { 172 device_printf(self, "PCI bus latency is"); 173 } 174 printf(" %d.\n", (int) latency); 175 cache_line = pci_read_config(self, PCIR_CACHELNSZ, 1); 176 #if 0 177 #define DEF_CACHE_LINE 0xc 178 cache_line = DEF_CACHE_LINE; 179 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1); 180 #endif 181 if (bootverbose) 182 device_printf(self, "cache size %d.\n", (int) cache_line); 183 184 return 0; 185 } 186 187 static int 188 fwohci_pci_attach(device_t self) 189 { 190 fwohci_softc_t *sc = device_get_softc(self); 191 int err; 192 int rid, s; 193 #if __FreeBSD_version < 500000 194 int intr; 195 /* For the moment, put in a message stating what is wrong */ 196 intr = pci_read_config(self, PCIR_INTLINE, 1); 197 if (intr == 0 || intr == 255) { 198 device_printf(self, "Invalid irq %d\n", intr); 199 #ifdef __i386__ 200 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n"); 201 #endif 202 #if 0 203 return ENXIO; 204 #endif 205 } 206 #endif 207 208 fwohci_pci_init(self); 209 210 rid = PCI_CBMEM; 211 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 212 0, ~0, 1, RF_ACTIVE); 213 if (!sc->bsr) { 214 device_printf(self, "Could not map memory\n"); 215 return ENXIO; 216 } 217 218 sc->bst = rman_get_bustag(sc->bsr); 219 sc->bsh = rman_get_bushandle(sc->bsr); 220 221 rid = 0; 222 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, 223 RF_SHAREABLE | RF_ACTIVE); 224 if (sc->irq_res == NULL) { 225 device_printf(self, "Could not allocate irq\n"); 226 fwohci_pci_detach(self); 227 return ENXIO; 228 } 229 230 sc->fc.bdev = device_add_child(self, "firewire", -1); 231 if (!sc->fc.bdev) { 232 device_printf(self, "Could not add firewire device\n"); 233 fwohci_pci_detach(self); 234 return ENOMEM; 235 } 236 device_set_ivars(sc->fc.bdev, sc); 237 238 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_NET, 239 (driver_intr_t *) fwohci_intr, sc, &sc->ih); 240 #if __FreeBSD_version < 500000 241 /* XXX splcam() should mask this irq for sbp.c*/ 242 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM, 243 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam); 244 #endif 245 if (err) { 246 device_printf(self, "Could not setup irq, %d\n", err); 247 fwohci_pci_detach(self); 248 return ENXIO; 249 } 250 251 err = fwohci_init(sc, self); 252 253 if (!err) 254 err = device_probe_and_attach(sc->fc.bdev); 255 256 if (err) { 257 device_printf(self, "FireWire init failed\n"); 258 fwohci_pci_detach(self); 259 return EIO; 260 } 261 262 /* XXX 263 * Clear the bus reset event flag to start transactions even when 264 * interrupt is disabled during the boot process. 265 */ 266 #if 0 267 DELAY(100); 268 #endif 269 s = splfw(); 270 fwohci_intr((void *)sc); 271 splx(s); 272 273 return 0; 274 } 275 276 static int 277 fwohci_pci_detach(device_t self) 278 { 279 fwohci_softc_t *sc = device_get_softc(self); 280 int s; 281 282 283 s = splfw(); 284 285 fwohci_stop(sc, self); 286 bus_generic_detach(self); 287 288 /* disable interrupts that might have been switched on */ 289 if (sc->bst && sc->bsh) 290 bus_space_write_4(sc->bst, sc->bsh, 291 FWOHCI_INTMASKCLR, OHCI_INT_EN); 292 293 if (sc->irq_res) { 294 int err = bus_teardown_intr(self, sc->irq_res, sc->ih); 295 if (err) 296 /* XXX or should we panic? */ 297 device_printf(self, "Could not tear down irq, %d\n", 298 err); 299 #if __FreeBSD_version < 500000 300 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam); 301 #endif 302 sc->ih = NULL; 303 } 304 305 if (sc->fc.bdev) { 306 device_delete_child(self, sc->fc.bdev); 307 sc->fc.bdev = NULL; 308 } 309 310 if (sc->irq_res) { 311 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); 312 sc->irq_res = NULL; 313 } 314 315 if (sc->bsr) { 316 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr); 317 sc->bsr = NULL; 318 sc->bst = 0; 319 sc->bsh = 0; 320 } 321 322 fwohci_detach(sc, self); 323 splx(s); 324 325 return 0; 326 } 327 328 static int 329 fwohci_pci_suspend(device_t dev) 330 { 331 int err; 332 333 device_printf(dev, "fwohci_pci_suspend\n"); 334 err = bus_generic_suspend(dev); 335 if (err) 336 return err; 337 /* fwohci_stop(dev); */ 338 return 0; 339 } 340 341 static int 342 fwohci_pci_resume(device_t dev) 343 { 344 fwohci_softc_t *sc = device_get_softc(dev); 345 346 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n", 347 pci_get_powerstate(dev)); 348 fwohci_pci_init(dev); 349 fwohci_resume(sc, dev); 350 return 0; 351 } 352 353 static int 354 fwohci_pci_shutdown(device_t dev) 355 { 356 fwohci_softc_t *sc = device_get_softc(dev); 357 358 bus_generic_shutdown(dev); 359 fwohci_stop(sc, dev); 360 return 0; 361 } 362 363 static device_method_t fwohci_methods[] = { 364 /* Device interface */ 365 DEVMETHOD(device_probe, fwohci_pci_probe), 366 DEVMETHOD(device_attach, fwohci_pci_attach), 367 DEVMETHOD(device_detach, fwohci_pci_detach), 368 DEVMETHOD(device_suspend, fwohci_pci_suspend), 369 DEVMETHOD(device_resume, fwohci_pci_resume), 370 DEVMETHOD(device_shutdown, fwohci_pci_shutdown), 371 372 /* Bus interface */ 373 DEVMETHOD(bus_print_child, bus_generic_print_child), 374 375 { 0, 0 } 376 }; 377 378 static driver_t fwohci_driver = { 379 "fwohci", 380 fwohci_methods, 381 sizeof(fwohci_softc_t), 382 }; 383 384 static devclass_t fwohci_devclass; 385 386 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); 387 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); 388