if_ndis_pci.c revision 145485
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 145485 2005-04-24 20:21:22Z 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 (struct ndis_pci_type *, device_t); 72extern int ndisdrv_modevent (module_t, int, void *); 73extern int ndis_attach (device_t); 74extern int ndis_shutdown (device_t); 75extern int ndis_detach (device_t); 76extern int ndis_suspend (device_t); 77extern int ndis_resume (device_t); 78 79static device_method_t ndis_methods[] = { 80 /* Device interface */ 81 DEVMETHOD(device_probe, ndis_probe_pci), 82 DEVMETHOD(device_attach, ndis_attach_pci), 83 DEVMETHOD(device_detach, ndis_detach), 84 DEVMETHOD(device_shutdown, ndis_shutdown), 85 DEVMETHOD(device_suspend, ndis_suspend), 86 DEVMETHOD(device_resume, ndis_resume), 87 88 /* Bus interface */ 89 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 90 91 { 0, 0 } 92}; 93 94static driver_t ndis_driver = { 95 "ndis", 96 ndis_methods, 97 sizeof(struct ndis_softc) 98}; 99 100static devclass_t ndis_devclass; 101 102DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 103DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 104 105static int 106ndis_devcompare(t, dev) 107 struct ndis_pci_type *t; 108 device_t dev; 109{ 110 while(t->ndis_name != NULL) { 111 if ((pci_get_vendor(dev) == t->ndis_vid) && 112 (pci_get_device(dev) == t->ndis_did) && 113 ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 114 t->ndis_subsys) || t->ndis_subsys == 0)) { 115 device_set_desc(dev, t->ndis_name); 116 return(TRUE); 117 } 118 t++; 119 } 120 121 return(FALSE); 122} 123 124/* 125 * Probe for an NDIS device. Check the PCI vendor and device 126 * IDs against our list and return a device name if we find a match. 127 */ 128static int 129ndis_probe_pci(dev) 130 device_t dev; 131{ 132 driver_object *drv; 133 struct drvdb_ent *db; 134 135 drv = windrv_lookup(0, "PCI Bus"); 136 137 if (drv == NULL) 138 return(ENXIO); 139 140 db = windrv_match((matchfuncptr)ndis_devcompare, dev); 141 142 if (db != NULL) { 143 /* Create PDO for this device instance */ 144 windrv_create_pdo(drv, dev); 145 return(0); 146 } 147 148 return(ENXIO); 149} 150 151/* 152 * Attach the interface. Allocate softc structures, do ifmedia 153 * setup and ethernet/BPF attach. 154 */ 155static int 156ndis_attach_pci(dev) 157 device_t dev; 158{ 159 struct ndis_softc *sc; 160 int unit, error = 0, rid; 161 struct ndis_pci_type *t; 162 int devidx = 0, defidx = 0; 163 struct resource_list *rl; 164 struct resource_list_entry *rle; 165 struct drvdb_ent *db; 166 167 sc = device_get_softc(dev); 168 unit = device_get_unit(dev); 169 sc->ndis_dev = dev; 170 171 db = windrv_match((matchfuncptr)ndis_devcompare, dev); 172 if (db == NULL) 173 return (ENXIO); 174 sc->ndis_dobj = db->windrv_object; 175 sc->ndis_regvals = db->windrv_regvals; 176 177 /* 178 * Map control/status registers. 179 */ 180 181 pci_enable_busmaster(dev); 182 183 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 184 if (rl != NULL) { 185#if __FreeBSD_version < 600022 186 SLIST_FOREACH(rle, rl, link) { 187#else 188 STAILQ_FOREACH(rle, rl, link) { 189#endif 190 switch (rle->type) { 191 case SYS_RES_IOPORT: 192 sc->ndis_io_rid = rle->rid; 193 sc->ndis_res_io = bus_alloc_resource(dev, 194 SYS_RES_IOPORT, &sc->ndis_io_rid, 195 0, ~0, 1, RF_ACTIVE); 196 if (sc->ndis_res_io == NULL) { 197 device_printf(dev, 198 "couldn't map iospace\n"); 199 error = ENXIO; 200 goto fail; 201 } 202 pci_enable_io(dev, SYS_RES_IOPORT); 203 break; 204 case SYS_RES_MEMORY: 205 if (sc->ndis_res_altmem != NULL && 206 sc->ndis_res_mem != NULL) { 207 device_printf(dev, 208 "too many memory resources\n"); 209 error = ENXIO; 210 goto fail; 211 } 212 if (sc->ndis_res_mem) { 213 sc->ndis_altmem_rid = rle->rid; 214 sc->ndis_res_altmem = 215 bus_alloc_resource(dev, 216 SYS_RES_MEMORY, 217 &sc->ndis_altmem_rid, 218 0, ~0, 1, RF_ACTIVE); 219 if (sc->ndis_res_altmem == NULL) { 220 device_printf(dev, 221 "couldn't map alt " 222 "memory\n"); 223 error = ENXIO; 224 goto fail; 225 } 226 } else { 227 sc->ndis_mem_rid = rle->rid; 228 sc->ndis_res_mem = 229 bus_alloc_resource(dev, 230 SYS_RES_MEMORY, 231 &sc->ndis_mem_rid, 232 0, ~0, 1, RF_ACTIVE); 233 if (sc->ndis_res_mem == NULL) { 234 device_printf(dev, 235 "couldn't map memory\n"); 236 error = ENXIO; 237 goto fail; 238 } 239 } 240 pci_enable_io(dev, SYS_RES_MEMORY); 241 break; 242 case SYS_RES_IRQ: 243 rid = rle->rid; 244 sc->ndis_irq = bus_alloc_resource(dev, 245 SYS_RES_IRQ, &rid, 0, ~0, 1, 246 RF_SHAREABLE | RF_ACTIVE); 247 if (sc->ndis_irq == NULL) { 248 device_printf(dev, 249 "couldn't map interrupt\n"); 250 error = ENXIO; 251 goto fail; 252 } 253 break; 254 default: 255 break; 256 } 257 sc->ndis_rescnt++; 258 } 259 } 260 261 /* 262 * If the BIOS did not set up an interrupt for this device, 263 * the resource traversal code above will fail to set up 264 * an IRQ resource. This is usually a bad thing, so try to 265 * force the allocation of an interrupt here. If one was 266 * not assigned to us by the BIOS, bus_alloc_resource() 267 * should route one for us. 268 */ 269 if (sc->ndis_irq == NULL) { 270 rid = 0; 271 sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 272 &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 273 if (sc->ndis_irq == NULL) { 274 device_printf(dev, "couldn't route interrupt\n"); 275 error = ENXIO; 276 goto fail; 277 } 278 sc->ndis_rescnt++; 279 } 280 281 /* 282 * Allocate the parent bus DMA tag appropriate for PCI. 283 */ 284#define NDIS_NSEG_NEW 32 285 error = bus_dma_tag_create(NULL, /* parent */ 286 1, 0, /* alignment, boundary */ 287 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 288 BUS_SPACE_MAXADDR, /* highaddr */ 289 NULL, NULL, /* filter, filterarg */ 290 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 291 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 292 BUS_DMA_ALLOCNOW, /* flags */ 293 NULL, NULL, /* lockfunc, lockarg */ 294 &sc->ndis_parent_tag); 295 296 if (error) 297 goto fail; 298 299 sc->ndis_iftype = PCIBus; 300 301 /* Figure out exactly which device we matched. */ 302 303 t = db->windrv_devlist; 304 305 while(t->ndis_name != NULL) { 306 if ((pci_get_vendor(dev) == t->ndis_vid) && 307 (pci_get_device(dev) == t->ndis_did)) { 308 if (t->ndis_subsys == 0) 309 defidx = devidx; 310 else { 311 if (t->ndis_subsys == 312 pci_read_config(dev, PCIR_SUBVEND_0, 4)) 313 break; 314 } 315 } 316 t++; 317 devidx++; 318 } 319 320 if (t[devidx].ndis_name == NULL) 321 sc->ndis_devidx = defidx; 322 else 323 sc->ndis_devidx = devidx; 324 325 error = ndis_attach(dev); 326 327fail: 328 return(error); 329} 330 331static struct resource_list * 332ndis_get_resource_list(dev, child) 333 device_t dev; 334 device_t child; 335{ 336 struct ndis_softc *sc; 337 338 sc = device_get_softc(dev); 339 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); 340} 341