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_vendor(dev) << 16) | pci_get_device(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_TI | FW_DEVICE_TITSB22)) { 74 device_set_desc(dev, "Texas Instruments TSB12LV22"); 75 return 0; 76 } 77 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) { 78 device_set_desc(dev, "Texas Instruments TSB12LV23"); 79 return 0; 80 } 81 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) { 82 device_set_desc(dev, "Texas Instruments TSB12LV26"); 83 return 0; 84 } 85 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) { 86 device_set_desc(dev, "Texas Instruments TSB43AA22"); 87 return 0; 88 } 89 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) { 90 device_set_desc(dev, "Texas Instruments TSB43AB22/A"); 91 return 0; 92 } 93 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) { 94 device_set_desc(dev, "Texas Instruments PCI4450"); 95 return 0; 96 } 97 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) { 98 device_set_desc(dev, "Texas Instruments PCI4410A"); 99 return 0; 100 } 101 if (id == (FW_VENDORID_SONY | FW_DEVICE_CX3022)) { 102 device_set_desc(dev, "SONY CX3022"); 103 return 0; 104 } 105 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) { 106 device_set_desc(dev, "VIA VT6306"); 107 return 0; 108 } 109 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) { 110 device_set_desc(dev, "Ricoh R5C552"); 111 return 0; 112 } 113 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) { 114 device_set_desc(dev, "Apple Pangea"); 115 return 0; 116 } 117 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) { 118 device_set_desc(dev, "Apple UniNorth"); 119 return 0; 120 } 121 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) { 122 device_set_desc(dev, "Lucent FW322/323"); 123 return 0; 124 } 125 #endif 126 if (pci_get_class(dev) == PCIC_SERIALBUS 127 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW 128 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) { 129 device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev), 130 pci_get_device(dev)); 131 device_set_desc(dev, "1394 Open Host Controller Interface"); 132 return 0; 133 } 134 135 return ENXIO; 136 } 137 138 #if __FreeBSD_version < 500000 139 static void 140 fwohci_dummy_intr(void *arg) 141 { 142 /* XXX do nothing */ 143 } 144 #endif 145 146 static int 147 fwohci_pci_init(device_t self) 148 { 149 int latency, cache_line; 150 u_int16_t cmd; 151 152 cmd = pci_read_config(self, PCIR_COMMAND, 2); 153 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN; 154 pci_write_config(self, PCIR_COMMAND, cmd, 2); 155 156 latency = pci_read_config(self, PCIR_LATTIMER, 1); 157 #define DEF_LATENCY 250 /* Derived from Max Bulk Transfer size 512 Bytes*/ 158 if( latency < DEF_LATENCY ) { 159 latency = DEF_LATENCY; 160 device_printf(self, "PCI bus latency was changing to"); 161 pci_write_config(self, PCIR_LATTIMER,latency, 1); 162 } else 163 { 164 device_printf(self, "PCI bus latency is"); 165 } 166 printf(" %d.\n", (int) latency); 167 cache_line = pci_read_config(self, PCIR_CACHELNSZ, 1); 168 #if 0 169 #define DEF_CACHE_LINE 0xc 170 cache_line = DEF_CACHE_LINE; 171 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1); 172 #endif 173 if (bootverbose) 174 device_printf(self, "cache size %d.\n", (int) cache_line); 175 176 return 0; 177 } 178 179 static int 180 fwohci_pci_attach(device_t self) 181 { 182 fwohci_softc_t *sc = device_get_softc(self); 183 int err; 184 int rid; 185 #if __FreeBSD_version < 500000 186 int intr; 187 /* For the moment, put in a message stating what is wrong */ 188 intr = pci_read_config(self, PCIR_INTLINE, 1); 189 if (intr == 0 || intr == 255) { 190 device_printf(self, "Invalid irq %d\n", intr); 191 #ifdef __i386__ 192 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n"); 193 #endif 194 #if 0 195 return ENXIO; 196 #endif 197 } 198 #endif 199 200 fwohci_pci_init(self); 201 202 rid = PCI_CBMEM; 203 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 204 0, ~0, 1, RF_ACTIVE); 205 if (!sc->bsr) { 206 device_printf(self, "Could not map memory\n"); 207 return ENXIO; 208 } 209 210 sc->bst = rman_get_bustag(sc->bsr); 211 sc->bsh = rman_get_bushandle(sc->bsr); 212 213 rid = 0; 214 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, 215 RF_SHAREABLE | RF_ACTIVE); 216 if (sc->irq_res == NULL) { 217 device_printf(self, "Could not allocate irq\n"); 218 fwohci_pci_detach(self); 219 return ENXIO; 220 } 221 222 sc->fc.bdev = device_add_child(self, "firewire", -1); 223 if (!sc->fc.bdev) { 224 device_printf(self, "Could not add firewire device\n"); 225 fwohci_pci_detach(self); 226 return ENOMEM; 227 } 228 device_set_ivars(sc->fc.bdev, sc); 229 230 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_NET, 231 (driver_intr_t *) fwohci_intr, sc, &sc->ih); 232 #if __FreeBSD_version < 500000 233 /* XXX splcam() should mask this irq for sbp.c*/ 234 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM, 235 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam); 236 #endif 237 if (err) { 238 device_printf(self, "Could not setup irq, %d\n", err); 239 fwohci_pci_detach(self); 240 return ENXIO; 241 } 242 243 err = fwohci_init(sc, self); 244 245 if (!err) 246 err = device_probe_and_attach(sc->fc.bdev); 247 248 if (err) { 249 device_printf(self, "FireWire init failed\n"); 250 fwohci_pci_detach(self); 251 return EIO; 252 } 253 254 /* XXX 255 * Clear the bus reset event flag to start transactions even when 256 * interrupt is disabled during the boot process. 257 */ 258 #if 0 259 DELAY(100); 260 #endif 261 fwohci_intr((void *)sc); 262 263 return 0; 264 } 265 266 static int 267 fwohci_pci_detach(device_t self) 268 { 269 fwohci_softc_t *sc = device_get_softc(self); 270 int s; 271 272 273 s = splfw(); 274 275 fwohci_stop(sc, self); 276 bus_generic_detach(self); 277 278 /* disable interrupts that might have been switched on */ 279 if (sc->bst && sc->bsh) 280 bus_space_write_4(sc->bst, sc->bsh, 281 FWOHCI_INTMASKCLR, OHCI_INT_EN); 282 283 if (sc->irq_res) { 284 int err = bus_teardown_intr(self, sc->irq_res, sc->ih); 285 if (err) 286 /* XXX or should we panic? */ 287 device_printf(self, "Could not tear down irq, %d\n", 288 err); 289 #if __FreeBSD_version < 500000 290 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam); 291 #endif 292 sc->ih = NULL; 293 } 294 295 if (sc->fc.bdev) { 296 device_delete_child(self, sc->fc.bdev); 297 sc->fc.bdev = NULL; 298 } 299 300 if (sc->irq_res) { 301 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); 302 sc->irq_res = NULL; 303 } 304 305 if (sc->bsr) { 306 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr); 307 sc->bsr = NULL; 308 sc->bst = 0; 309 sc->bsh = 0; 310 } 311 312 fwohci_detach(sc, self); 313 splx(s); 314 315 return 0; 316 } 317 318 static int 319 fwohci_pci_suspend(device_t dev) 320 { 321 int err; 322 323 device_printf(dev, "fwohci_pci_suspend\n"); 324 err = bus_generic_suspend(dev); 325 if (err) 326 return err; 327 /* fwohci_stop(dev); */ 328 return 0; 329 } 330 331 static int 332 fwohci_pci_resume(device_t dev) 333 { 334 fwohci_softc_t *sc = device_get_softc(dev); 335 336 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n", 337 pci_get_powerstate(dev)); 338 fwohci_pci_init(dev); 339 fwohci_resume(sc, dev); 340 return 0; 341 } 342 343 static int 344 fwohci_pci_shutdown(device_t dev) 345 { 346 fwohci_softc_t *sc = device_get_softc(dev); 347 348 bus_generic_shutdown(dev); 349 fwohci_stop(sc, dev); 350 return 0; 351 } 352 353 static device_method_t fwohci_methods[] = { 354 /* Device interface */ 355 DEVMETHOD(device_probe, fwohci_pci_probe), 356 DEVMETHOD(device_attach, fwohci_pci_attach), 357 DEVMETHOD(device_detach, fwohci_pci_detach), 358 DEVMETHOD(device_suspend, fwohci_pci_suspend), 359 DEVMETHOD(device_resume, fwohci_pci_resume), 360 DEVMETHOD(device_shutdown, fwohci_pci_shutdown), 361 362 /* Bus interface */ 363 DEVMETHOD(bus_print_child, bus_generic_print_child), 364 365 { 0, 0 } 366 }; 367 368 static driver_t fwohci_driver = { 369 "fwohci", 370 fwohci_methods, 371 sizeof(fwohci_softc_t), 372 }; 373 374 static devclass_t fwohci_devclass; 375 376 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); 377 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); 378