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 pci_write_config(self, PCIR_COMMAND, cmd, 2); 159 160 latency = pci_read_config(self, PCIR_LATTIMER, 1); 161 #define DEF_LATENCY 250 /* Derived from Max Bulk Transfer size 512 Bytes*/ 162 if( latency < DEF_LATENCY ) { 163 latency = DEF_LATENCY; 164 device_printf(self, "PCI bus latency was changing to"); 165 pci_write_config(self, PCIR_LATTIMER,latency, 1); 166 } else 167 { 168 device_printf(self, "PCI bus latency is"); 169 } 170 printf(" %d.\n", (int) latency); 171 cache_line = pci_read_config(self, PCIR_CACHELNSZ, 1); 172 #if 0 173 #define DEF_CACHE_LINE 0xc 174 cache_line = DEF_CACHE_LINE; 175 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1); 176 #endif 177 if (bootverbose) 178 device_printf(self, "cache size %d.\n", (int) cache_line); 179 180 return 0; 181 } 182 183 static int 184 fwohci_pci_attach(device_t self) 185 { 186 fwohci_softc_t *sc = device_get_softc(self); 187 int err; 188 int rid, s; 189 #if __FreeBSD_version < 500000 190 int intr; 191 /* For the moment, put in a message stating what is wrong */ 192 intr = pci_read_config(self, PCIR_INTLINE, 1); 193 if (intr == 0 || intr == 255) { 194 device_printf(self, "Invalid irq %d\n", intr); 195 #ifdef __i386__ 196 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n"); 197 #endif 198 #if 0 199 return ENXIO; 200 #endif 201 } 202 #endif 203 204 fwohci_pci_init(self); 205 206 rid = PCI_CBMEM; 207 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 208 0, ~0, 1, RF_ACTIVE); 209 if (!sc->bsr) { 210 device_printf(self, "Could not map memory\n"); 211 return ENXIO; 212 } 213 214 sc->bst = rman_get_bustag(sc->bsr); 215 sc->bsh = rman_get_bushandle(sc->bsr); 216 217 rid = 0; 218 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, 219 RF_SHAREABLE | RF_ACTIVE); 220 if (sc->irq_res == NULL) { 221 device_printf(self, "Could not allocate irq\n"); 222 fwohci_pci_detach(self); 223 return ENXIO; 224 } 225 226 sc->fc.bdev = device_add_child(self, "firewire", -1); 227 if (!sc->fc.bdev) { 228 device_printf(self, "Could not add firewire device\n"); 229 fwohci_pci_detach(self); 230 return ENOMEM; 231 } 232 device_set_ivars(sc->fc.bdev, sc); 233 234 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_NET, 235 (driver_intr_t *) fwohci_intr, sc, &sc->ih); 236 #if __FreeBSD_version < 500000 237 /* XXX splcam() should mask this irq for sbp.c*/ 238 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM, 239 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam); 240 #endif 241 if (err) { 242 device_printf(self, "Could not setup irq, %d\n", err); 243 fwohci_pci_detach(self); 244 return ENXIO; 245 } 246 247 err = fwohci_init(sc, self); 248 249 if (!err) 250 err = device_probe_and_attach(sc->fc.bdev); 251 252 if (err) { 253 device_printf(self, "FireWire init failed\n"); 254 fwohci_pci_detach(self); 255 return EIO; 256 } 257 258 /* XXX 259 * Clear the bus reset event flag to start transactions even when 260 * interrupt is disabled during the boot process. 261 */ 262 #if 0 263 DELAY(100); 264 #endif 265 s = splfw(); 266 fwohci_intr((void *)sc); 267 splx(s); 268 269 return 0; 270 } 271 272 static int 273 fwohci_pci_detach(device_t self) 274 { 275 fwohci_softc_t *sc = device_get_softc(self); 276 int s; 277 278 279 s = splfw(); 280 281 fwohci_stop(sc, self); 282 bus_generic_detach(self); 283 284 /* disable interrupts that might have been switched on */ 285 if (sc->bst && sc->bsh) 286 bus_space_write_4(sc->bst, sc->bsh, 287 FWOHCI_INTMASKCLR, OHCI_INT_EN); 288 289 if (sc->irq_res) { 290 int err = bus_teardown_intr(self, sc->irq_res, sc->ih); 291 if (err) 292 /* XXX or should we panic? */ 293 device_printf(self, "Could not tear down irq, %d\n", 294 err); 295 #if __FreeBSD_version < 500000 296 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam); 297 #endif 298 sc->ih = NULL; 299 } 300 301 if (sc->fc.bdev) { 302 device_delete_child(self, sc->fc.bdev); 303 sc->fc.bdev = NULL; 304 } 305 306 if (sc->irq_res) { 307 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); 308 sc->irq_res = NULL; 309 } 310 311 if (sc->bsr) { 312 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr); 313 sc->bsr = NULL; 314 sc->bst = 0; 315 sc->bsh = 0; 316 } 317 318 fwohci_detach(sc, self); 319 splx(s); 320 321 return 0; 322 } 323 324 static int 325 fwohci_pci_suspend(device_t dev) 326 { 327 int err; 328 329 device_printf(dev, "fwohci_pci_suspend\n"); 330 err = bus_generic_suspend(dev); 331 if (err) 332 return err; 333 /* fwohci_stop(dev); */ 334 return 0; 335 } 336 337 static int 338 fwohci_pci_resume(device_t dev) 339 { 340 fwohci_softc_t *sc = device_get_softc(dev); 341 342 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n", 343 pci_get_powerstate(dev)); 344 fwohci_pci_init(dev); 345 fwohci_resume(sc, dev); 346 return 0; 347 } 348 349 static int 350 fwohci_pci_shutdown(device_t dev) 351 { 352 fwohci_softc_t *sc = device_get_softc(dev); 353 354 bus_generic_shutdown(dev); 355 fwohci_stop(sc, dev); 356 return 0; 357 } 358 359 static device_method_t fwohci_methods[] = { 360 /* Device interface */ 361 DEVMETHOD(device_probe, fwohci_pci_probe), 362 DEVMETHOD(device_attach, fwohci_pci_attach), 363 DEVMETHOD(device_detach, fwohci_pci_detach), 364 DEVMETHOD(device_suspend, fwohci_pci_suspend), 365 DEVMETHOD(device_resume, fwohci_pci_resume), 366 DEVMETHOD(device_shutdown, fwohci_pci_shutdown), 367 368 /* Bus interface */ 369 DEVMETHOD(bus_print_child, bus_generic_print_child), 370 371 { 0, 0 } 372 }; 373 374 static driver_t fwohci_driver = { 375 "fwohci", 376 fwohci_methods, 377 sizeof(fwohci_softc_t), 378 }; 379 380 static devclass_t fwohci_devclass; 381 382 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); 383 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); 384