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 <machine/resource.h> 45 46 #include <pci/pcivar.h> 47 #include <pci/pcireg.h> 48 49 #include <dev/firewire/firewire.h> 50 #include <dev/firewire/firewirereg.h> 51 52 #include <dev/firewire/fwohcireg.h> 53 #include <dev/firewire/fwohcivar.h> 54 55 static int fwohci_pci_attach(device_t self); 56 static int fwohci_pci_detach(device_t self); 57 58 /* 59 * The probe routine. 60 */ 61 static int 62 fwohci_pci_probe( device_t dev ) 63 { 64 #if 1 65 u_int32_t id; 66 67 id = (pci_get_vendor(dev) << 16) | pci_get_device(dev); 68 if (id == (FW_VENDORID_NEC | FW_DEVICE_UPD861)) { 69 device_set_desc(dev, "NEC uPD72861"); 70 return 0; 71 } 72 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB22)) { 73 device_set_desc(dev, "Texas Instruments TSB12LV22"); 74 return 0; 75 } 76 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB23)) { 77 device_set_desc(dev, "Texas Instruments TSB12LV23"); 78 return 0; 79 } 80 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB26)) { 81 device_set_desc(dev, "Texas Instruments TSB12LV26"); 82 return 0; 83 } 84 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43)) { 85 device_set_desc(dev, "Texas Instruments TSB43AA22"); 86 return 0; 87 } 88 if (id == (FW_VENDORID_TI | FW_DEVICE_TITSB43A)) { 89 device_set_desc(dev, "Texas Instruments TSB43AB22/A"); 90 return 0; 91 } 92 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4450)) { 93 device_set_desc(dev, "Texas Instruments PCI4450"); 94 return 0; 95 } 96 if (id == (FW_VENDORID_TI | FW_DEVICE_TIPCI4410A)) { 97 device_set_desc(dev, "Texas Instruments PCI4410A"); 98 return 0; 99 } 100 if (id == (FW_VENDORID_SONY | FW_DEVICE_CX3022)) { 101 device_set_desc(dev, "SONY CX3022"); 102 return 0; 103 } 104 if (id == (FW_VENDORID_VIA | FW_DEVICE_VT6306)) { 105 device_set_desc(dev, "VIA VT6306"); 106 return 0; 107 } 108 if (id == (FW_VENDORID_RICOH | FW_DEVICE_R5C552)) { 109 device_set_desc(dev, "Ricoh R5C552"); 110 return 0; 111 } 112 if (id == (FW_VENDORID_APPLE | FW_DEVICE_PANGEA)) { 113 device_set_desc(dev, "Apple Pangea"); 114 return 0; 115 } 116 if (id == (FW_VENDORID_APPLE | FW_DEVICE_UNINORTH)) { 117 device_set_desc(dev, "Apple UniNorth"); 118 return 0; 119 } 120 if (id == (FW_VENDORID_LUCENT | FW_DEVICE_FW322)) { 121 device_set_desc(dev, "Lucent FW322/323"); 122 return 0; 123 } 124 #endif 125 if (pci_get_class(dev) == PCIC_SERIALBUS 126 && pci_get_subclass(dev) == PCIS_SERIALBUS_FW 127 && pci_get_progif(dev) == PCI_INTERFACE_OHCI) { 128 device_printf(dev, "vendor=%x, dev=%x\n", pci_get_vendor(dev), 129 pci_get_device(dev)); 130 device_set_desc(dev, "1394 Open Host Controller Interface"); 131 return 0; 132 } 133 134 return ENXIO; 135 } 136 137 #if __FreeBSD_version < 500000 138 static void 139 fwohci_dummy_intr(void *arg) 140 { 141 /* XXX do nothing */ 142 } 143 #endif 144 145 static int 146 fwohci_pci_init(device_t self) 147 { 148 int latency, cache_line; 149 u_int16_t cmd; 150 151 cmd = pci_read_config(self, PCIR_COMMAND, 2); 152 cmd |= PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN; 153 pci_write_config(self, PCIR_COMMAND, cmd, 2); 154 155 latency = pci_read_config(self, PCIR_LATTIMER, 1); 156 #define DEF_LATENCY 250 /* Derived from Max Bulk Transfer size 512 Bytes*/ 157 if( latency < DEF_LATENCY ) { 158 latency = DEF_LATENCY; 159 device_printf(self, "PCI bus latency was changing to"); 160 pci_write_config(self, PCIR_LATTIMER,latency, 1); 161 } else 162 { 163 device_printf(self, "PCI bus latency is"); 164 } 165 printf(" %d.\n", (int) latency); 166 cache_line = pci_read_config(self, PCIR_CACHELNSZ, 1); 167 #if 0 168 #define DEF_CACHE_LINE 0xc 169 cache_line = DEF_CACHE_LINE; 170 pci_write_config(self, PCIR_CACHELNSZ, cache_line, 1); 171 #endif 172 if (bootverbose) 173 device_printf(self, "cache size %d.\n", (int) cache_line); 174 175 return 0; 176 } 177 178 static int 179 fwohci_pci_attach(device_t self) 180 { 181 fwohci_softc_t *sc = device_get_softc(self); 182 int err; 183 int rid; 184 #if __FreeBSD_version < 500000 185 int intr; 186 /* For the moment, put in a message stating what is wrong */ 187 intr = pci_read_config(self, PCIR_INTLINE, 1); 188 if (intr == 0 || intr == 255) { 189 device_printf(self, "Invalid irq %d\n", intr); 190 #ifdef __i386__ 191 device_printf(self, "Please switch PNP-OS to 'No' in BIOS\n"); 192 #endif 193 #if 0 194 return ENXIO; 195 #endif 196 } 197 #endif 198 199 fwohci_pci_init(self); 200 201 rid = PCI_CBMEM; 202 sc->bsr = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 203 0, ~0, 1, RF_ACTIVE); 204 if (!sc->bsr) { 205 device_printf(self, "Could not map memory\n"); 206 return ENXIO; 207 } 208 209 sc->bst = rman_get_bustag(sc->bsr); 210 sc->bsh = rman_get_bushandle(sc->bsr); 211 212 rid = 0; 213 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, 214 RF_SHAREABLE | RF_ACTIVE); 215 if (sc->irq_res == NULL) { 216 device_printf(self, "Could not allocate irq\n"); 217 fwohci_pci_detach(self); 218 return ENXIO; 219 } 220 221 sc->fc.bdev = device_add_child(self, "firewire", -1); 222 if (!sc->fc.bdev) { 223 device_printf(self, "Could not add firewire device\n"); 224 fwohci_pci_detach(self); 225 return ENOMEM; 226 } 227 device_set_ivars(sc->fc.bdev, sc); 228 229 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_NET, 230 (driver_intr_t *) fwohci_intr, sc, &sc->ih); 231 #if __FreeBSD_version < 500000 232 /* XXX splcam() should mask this irq for sbp.c*/ 233 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_CAM, 234 (driver_intr_t *) fwohci_dummy_intr, sc, &sc->ih_cam); 235 #endif 236 if (err) { 237 device_printf(self, "Could not setup irq, %d\n", err); 238 fwohci_pci_detach(self); 239 return ENXIO; 240 } 241 242 err = fwohci_init(sc, self); 243 244 if (!err) 245 err = device_probe_and_attach(sc->fc.bdev); 246 247 if (err) { 248 device_printf(self, "FireWire init failed\n"); 249 fwohci_pci_detach(self); 250 return EIO; 251 } 252 253 return 0; 254 } 255 256 static int 257 fwohci_pci_detach(device_t self) 258 { 259 fwohci_softc_t *sc = device_get_softc(self); 260 int s; 261 262 263 s = splfw(); 264 265 fwohci_shutdown(sc, self); 266 bus_generic_detach(self); 267 268 /* disable interrupts that might have been switched on */ 269 if (sc->bst && sc->bsh) 270 bus_space_write_4(sc->bst, sc->bsh, 271 FWOHCI_INTMASKCLR, OHCI_INT_EN); 272 273 if (sc->irq_res) { 274 int err = bus_teardown_intr(self, sc->irq_res, sc->ih); 275 if (err) 276 /* XXX or should we panic? */ 277 device_printf(self, "Could not tear down irq, %d\n", 278 err); 279 #if __FreeBSD_version < 500000 280 err = bus_teardown_intr(self, sc->irq_res, sc->ih_cam); 281 #endif 282 sc->ih = NULL; 283 } 284 285 if (sc->fc.bdev) { 286 device_delete_child(self, sc->fc.bdev); 287 sc->fc.bdev = NULL; 288 } 289 290 if (sc->irq_res) { 291 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); 292 sc->irq_res = NULL; 293 } 294 295 if (sc->bsr) { 296 bus_release_resource(self, SYS_RES_MEMORY,PCI_CBMEM,sc->bsr); 297 sc->bsr = NULL; 298 sc->bst = 0; 299 sc->bsh = 0; 300 } 301 302 fwohci_detach(sc, self); 303 splx(s); 304 305 return 0; 306 } 307 308 static int 309 fwohci_pci_suspend(device_t dev) 310 { 311 int err; 312 313 device_printf(dev, "fwohci_pci_suspend\n"); 314 err = bus_generic_suspend(dev); 315 if (err) 316 return err; 317 /* fwohci_shutdown(dev); */ 318 return 0; 319 } 320 321 static int 322 fwohci_pci_resume(device_t dev) 323 { 324 fwohci_softc_t *sc = device_get_softc(dev); 325 326 device_printf(dev, "fwohci_pci_resume: power_state = 0x%08x\n", 327 pci_get_powerstate(dev)); 328 fwohci_pci_init(dev); 329 fwohci_resume(sc, dev); 330 return 0; 331 } 332 333 static int 334 fwohci_pci_shutdown(device_t dev) 335 { 336 fwohci_softc_t *sc = device_get_softc(dev); 337 338 fwohci_shutdown(sc, dev); 339 return 0; 340 } 341 342 static device_method_t fwohci_methods[] = { 343 /* Device interface */ 344 DEVMETHOD(device_probe, fwohci_pci_probe), 345 DEVMETHOD(device_attach, fwohci_pci_attach), 346 DEVMETHOD(device_detach, fwohci_pci_detach), 347 DEVMETHOD(device_suspend, fwohci_pci_suspend), 348 DEVMETHOD(device_resume, fwohci_pci_resume), 349 DEVMETHOD(device_shutdown, fwohci_pci_shutdown), 350 351 /* Bus interface */ 352 DEVMETHOD(bus_print_child, bus_generic_print_child), 353 354 { 0, 0 } 355 }; 356 357 static driver_t fwohci_driver = { 358 "fwohci", 359 fwohci_methods, 360 sizeof(fwohci_softc_t), 361 }; 362 363 static devclass_t fwohci_devclass; 364 365 DRIVER_MODULE(fwohci, pci, fwohci_driver, fwohci_devclass, 0, 0); 366 DRIVER_MODULE(fwohci, cardbus, fwohci_driver, fwohci_devclass, 0, 0); 367