if_ndis_pci.c revision 146016
1/*- 2 * Copyright (c) 2003 3 * Bill Paul <wpaul@windriver.com>. 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 following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: head/sys/dev/if_ndis/if_ndis_pci.c 146016 2005-05-08 23:19:20Z wpaul $"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/kernel.h> 39#include <sys/module.h> 40#include <sys/socket.h> 41#include <sys/queue.h> 42#include <sys/sysctl.h> 43 44#include <net/if.h> 45#include <net/if_arp.h> 46#include <net/if_media.h> 47 48#include <machine/bus.h> 49#include <machine/resource.h> 50#include <sys/bus.h> 51#include <sys/rman.h> 52 53#include <net80211/ieee80211_var.h> 54 55#include <dev/pci/pcireg.h> 56#include <dev/pci/pcivar.h> 57 58#include <compat/ndis/pe_var.h> 59#include <compat/ndis/cfg_var.h> 60#include <compat/ndis/resource_var.h> 61#include <compat/ndis/ntoskrnl_var.h> 62#include <compat/ndis/ndis_var.h> 63#include <dev/if_ndis/if_ndisvar.h> 64 65MODULE_DEPEND(ndis, pci, 1, 1, 1); 66 67static int ndis_probe_pci (device_t); 68static int ndis_attach_pci (device_t); 69static struct resource_list *ndis_get_resource_list 70 (device_t, device_t); 71static int ndis_devcompare (interface_type, 72 struct ndis_pci_type *, device_t); 73extern int ndisdrv_modevent (module_t, int, void *); 74extern int ndis_attach (device_t); 75extern int ndis_shutdown (device_t); 76extern int ndis_detach (device_t); 77extern int ndis_suspend (device_t); 78extern int ndis_resume (device_t); 79 80static device_method_t ndis_methods[] = { 81 /* Device interface */ 82 DEVMETHOD(device_probe, ndis_probe_pci), 83 DEVMETHOD(device_attach, ndis_attach_pci), 84 DEVMETHOD(device_detach, ndis_detach), 85 DEVMETHOD(device_shutdown, ndis_shutdown), 86 DEVMETHOD(device_suspend, ndis_suspend), 87 DEVMETHOD(device_resume, ndis_resume), 88 89 /* Bus interface */ 90 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 91 92 { 0, 0 } 93}; 94 95static driver_t ndis_driver = { 96 "ndis", 97 ndis_methods, 98 sizeof(struct ndis_softc) 99}; 100 101static devclass_t ndis_devclass; 102 103DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 104DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 105 106static int 107ndis_devcompare(bustype, t, dev) 108 interface_type bustype; 109 struct ndis_pci_type *t; 110 device_t dev; 111{ 112 if (bustype != PCIBus) 113 return(FALSE); 114 115 while(t->ndis_name != NULL) { 116 if ((pci_get_vendor(dev) == t->ndis_vid) && 117 (pci_get_device(dev) == t->ndis_did) && 118 ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 119 t->ndis_subsys) || t->ndis_subsys == 0)) { 120 device_set_desc(dev, t->ndis_name); 121 return(TRUE); 122 } 123 t++; 124 } 125 126 return(FALSE); 127} 128 129/* 130 * Probe for an NDIS device. Check the PCI vendor and device 131 * IDs against our list and return a device name if we find a match. 132 */ 133static int 134ndis_probe_pci(dev) 135 device_t dev; 136{ 137 driver_object *drv; 138 struct drvdb_ent *db; 139 140 drv = windrv_lookup(0, "PCI Bus"); 141 142 if (drv == NULL) 143 return(ENXIO); 144 145 db = windrv_match((matchfuncptr)ndis_devcompare, dev); 146 147 if (db != NULL) { 148 /* Create PDO for this device instance */ 149 windrv_create_pdo(drv, dev); 150 return(0); 151 } 152 153 return(ENXIO); 154} 155 156/* 157 * Attach the interface. Allocate softc structures, do ifmedia 158 * setup and ethernet/BPF attach. 159 */ 160static int 161ndis_attach_pci(dev) 162 device_t dev; 163{ 164 struct ndis_softc *sc; 165 int unit, error = 0, rid; 166 struct ndis_pci_type *t; 167 int devidx = 0, defidx = 0; 168 struct resource_list *rl; 169 struct resource_list_entry *rle; 170 struct drvdb_ent *db; 171 172 sc = device_get_softc(dev); 173 unit = device_get_unit(dev); 174 sc->ndis_dev = dev; 175 176 db = windrv_match((matchfuncptr)ndis_devcompare, dev); 177 if (db == NULL) 178 return (ENXIO); 179 sc->ndis_dobj = db->windrv_object; 180 sc->ndis_regvals = db->windrv_regvals; 181 182 /* 183 * Map control/status registers. 184 */ 185 186 pci_enable_busmaster(dev); 187 188 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 189 if (rl != NULL) { 190#if __FreeBSD_version < 600022 191 SLIST_FOREACH(rle, rl, link) { 192#else 193 STAILQ_FOREACH(rle, rl, link) { 194#endif 195 switch (rle->type) { 196 case SYS_RES_IOPORT: 197 sc->ndis_io_rid = rle->rid; 198 sc->ndis_res_io = bus_alloc_resource(dev, 199 SYS_RES_IOPORT, &sc->ndis_io_rid, 200 0, ~0, 1, RF_ACTIVE); 201 if (sc->ndis_res_io == NULL) { 202 device_printf(dev, 203 "couldn't map iospace\n"); 204 error = ENXIO; 205 goto fail; 206 } 207 pci_enable_io(dev, SYS_RES_IOPORT); 208 break; 209 case SYS_RES_MEMORY: 210 if (sc->ndis_res_altmem != NULL && 211 sc->ndis_res_mem != NULL) { 212 device_printf(dev, 213 "too many memory resources\n"); 214 error = ENXIO; 215 goto fail; 216 } 217 if (sc->ndis_res_mem) { 218 sc->ndis_altmem_rid = rle->rid; 219 sc->ndis_res_altmem = 220 bus_alloc_resource(dev, 221 SYS_RES_MEMORY, 222 &sc->ndis_altmem_rid, 223 0, ~0, 1, RF_ACTIVE); 224 if (sc->ndis_res_altmem == NULL) { 225 device_printf(dev, 226 "couldn't map alt " 227 "memory\n"); 228 error = ENXIO; 229 goto fail; 230 } 231 } else { 232 sc->ndis_mem_rid = rle->rid; 233 sc->ndis_res_mem = 234 bus_alloc_resource(dev, 235 SYS_RES_MEMORY, 236 &sc->ndis_mem_rid, 237 0, ~0, 1, RF_ACTIVE); 238 if (sc->ndis_res_mem == NULL) { 239 device_printf(dev, 240 "couldn't map memory\n"); 241 error = ENXIO; 242 goto fail; 243 } 244 } 245 pci_enable_io(dev, SYS_RES_MEMORY); 246 break; 247 case SYS_RES_IRQ: 248 rid = rle->rid; 249 sc->ndis_irq = bus_alloc_resource(dev, 250 SYS_RES_IRQ, &rid, 0, ~0, 1, 251 RF_SHAREABLE | RF_ACTIVE); 252 if (sc->ndis_irq == NULL) { 253 device_printf(dev, 254 "couldn't map interrupt\n"); 255 error = ENXIO; 256 goto fail; 257 } 258 break; 259 default: 260 break; 261 } 262 sc->ndis_rescnt++; 263 } 264 } 265 266 /* 267 * If the BIOS did not set up an interrupt for this device, 268 * the resource traversal code above will fail to set up 269 * an IRQ resource. This is usually a bad thing, so try to 270 * force the allocation of an interrupt here. If one was 271 * not assigned to us by the BIOS, bus_alloc_resource() 272 * should route one for us. 273 */ 274 if (sc->ndis_irq == NULL) { 275 rid = 0; 276 sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 277 &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 278 if (sc->ndis_irq == NULL) { 279 device_printf(dev, "couldn't route interrupt\n"); 280 error = ENXIO; 281 goto fail; 282 } 283 sc->ndis_rescnt++; 284 } 285 286 /* 287 * Allocate the parent bus DMA tag appropriate for PCI. 288 */ 289#define NDIS_NSEG_NEW 32 290 error = bus_dma_tag_create(NULL, /* parent */ 291 1, 0, /* alignment, boundary */ 292 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 293 BUS_SPACE_MAXADDR, /* highaddr */ 294 NULL, NULL, /* filter, filterarg */ 295 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 296 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 297 BUS_DMA_ALLOCNOW, /* flags */ 298 NULL, NULL, /* lockfunc, lockarg */ 299 &sc->ndis_parent_tag); 300 301 if (error) 302 goto fail; 303 304 sc->ndis_iftype = PCIBus; 305 306 /* Figure out exactly which device we matched. */ 307 308 t = db->windrv_devlist; 309 310 while(t->ndis_name != NULL) { 311 if ((pci_get_vendor(dev) == t->ndis_vid) && 312 (pci_get_device(dev) == t->ndis_did)) { 313 if (t->ndis_subsys == 0) 314 defidx = devidx; 315 else { 316 if (t->ndis_subsys == 317 pci_read_config(dev, PCIR_SUBVEND_0, 4)) 318 break; 319 } 320 } 321 t++; 322 devidx++; 323 } 324 325 if (t->ndis_name == NULL) 326 sc->ndis_devidx = defidx; 327 else 328 sc->ndis_devidx = devidx; 329 330 error = ndis_attach(dev); 331 332fail: 333 return(error); 334} 335 336static struct resource_list * 337ndis_get_resource_list(dev, child) 338 device_t dev; 339 device_t child; 340{ 341 struct ndis_softc *sc; 342 343 sc = device_get_softc(dev); 344 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); 345} 346