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>
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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/resource_var.h> 60#include <compat/ndis/ntoskrnl_var.h> 61#include <compat/ndis/ndis_var.h> 62#include <compat/ndis/cfg_var.h> 63#include <dev/if_ndis/if_ndisvar.h> 64 65#include "ndis_driver_data.h" 66 67#ifdef NDIS_PCI_DEV_TABLE 68 69MODULE_DEPEND(ndis, pci, 1, 1, 1); 70MODULE_DEPEND(ndis, ether, 1, 1, 1); 71MODULE_DEPEND(ndis, wlan, 1, 1, 1); 72MODULE_DEPEND(ndis, ndisapi, 1, 1, 1); 73 74/* 75 * Various supported device vendors/types and their names. 76 * These are defined in the ndis_driver_data.h file. 77 */ 78static struct ndis_pci_type ndis_devs[] = { 79#ifdef NDIS_PCI_DEV_TABLE 80 NDIS_PCI_DEV_TABLE 81#endif 82 { 0, 0, 0, NULL } 83}; 84 85static int ndis_probe_pci (device_t); 86static int ndis_attach_pci (device_t);
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109 { 0, 0 } 110}; 111 112static driver_t ndis_driver = { 113#ifdef NDIS_DEVNAME 114 NDIS_DEVNAME, 115#else 116 "ndis", 117#endif 118 ndis_methods, 119 sizeof(struct ndis_softc) 120}; 121 122static devclass_t ndis_devclass; 123 124#ifdef NDIS_MODNAME 125#define NDIS_MODNAME_OVERRIDE_PCI(x) \ 126 DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0) 127#define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \ 128 DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0) 129NDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME); 130NDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME); 131#else 132DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0); 133DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0); 134#endif 135 136/* 137 * Probe for an NDIS device. Check the PCI vendor and device 138 * IDs against our list and return a device name if we find a match. 139 */ 140static int 141ndis_probe_pci(dev) 142 device_t dev; 143{ 144 struct ndis_pci_type *t; 145 146 t = ndis_devs; 147 148 while(t->ndis_name != NULL) { 149 if ((pci_get_vendor(dev) == t->ndis_vid) && 150 (pci_get_device(dev) == t->ndis_did) && 151 ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 152 t->ndis_subsys) || t->ndis_subsys == 0)) { 153 device_set_desc(dev, t->ndis_name); 154 return(0); 155 } 156 t++; 157 } 158 159 return(ENXIO); 160} 161 162/* 163 * Attach the interface. Allocate softc structures, do ifmedia 164 * setup and ethernet/BPF attach. 165 */ 166static int 167ndis_attach_pci(dev) 168 device_t dev; 169{ 170 struct ndis_softc *sc; 171 int unit, error = 0, rid; 172 struct ndis_pci_type *t; 173 int devidx = 0, defidx = 0; 174 struct resource_list *rl; 175 struct resource_list_entry *rle; 176 177 sc = device_get_softc(dev); 178 unit = device_get_unit(dev); 179 sc->ndis_dev = dev; 180 181 /* 182 * Map control/status registers. 183 */ 184 185 pci_enable_busmaster(dev); 186 187 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 188 if (rl != NULL) { 189 SLIST_FOREACH(rle, rl, link) { 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 break; 203 case SYS_RES_MEMORY: 204 if (sc->ndis_res_altmem != NULL && 205 sc->ndis_res_mem != NULL) { 206 device_printf(dev, 207 "too many memory resources\n"); 208 error = ENXIO; 209 goto fail; 210 } 211 if (rle->rid == PCIR_BAR(2)) { 212 sc->ndis_altmem_rid = rle->rid; 213 sc->ndis_res_altmem = 214 bus_alloc_resource(dev, 215 SYS_RES_MEMORY, 216 &sc->ndis_altmem_rid, 217 0, ~0, 1, RF_ACTIVE); 218 if (sc->ndis_res_altmem == NULL) { 219 device_printf(dev, 220 "couldn't map alt " 221 "memory\n"); 222 error = ENXIO; 223 goto fail; 224 } 225 } else { 226 sc->ndis_mem_rid = rle->rid; 227 sc->ndis_res_mem = 228 bus_alloc_resource(dev, 229 SYS_RES_MEMORY, 230 &sc->ndis_mem_rid, 231 0, ~0, 1, RF_ACTIVE); 232 if (sc->ndis_res_mem == NULL) { 233 device_printf(dev, 234 "couldn't map memory\n"); 235 error = ENXIO; 236 goto fail; 237 } 238 } 239 break; 240 case SYS_RES_IRQ: 241 rid = rle->rid; 242 sc->ndis_irq = bus_alloc_resource(dev, 243 SYS_RES_IRQ, &rid, 0, ~0, 1, 244 RF_SHAREABLE | RF_ACTIVE); 245 if (sc->ndis_irq == NULL) { 246 device_printf(dev, 247 "couldn't map interrupt\n"); 248 error = ENXIO; 249 goto fail; 250 } 251 break; 252 default: 253 break; 254 } 255 sc->ndis_rescnt++; 256 } 257 } 258 259 /* 260 * If the BIOS did not set up an interrupt for this device, 261 * the resource traversal code above will fail to set up 262 * an IRQ resource. This is usually a bad thing, so try to 263 * force the allocation of an interrupt here. If one was 264 * not assigned to us by the BIOS, bus_alloc_resource() 265 * should route one for us. 266 */ 267 if (sc->ndis_irq == NULL) { 268 rid = 0; 269 sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 270 &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 271 if (sc->ndis_irq == NULL) { 272 device_printf(dev, "couldn't route interrupt\n"); 273 error = ENXIO; 274 goto fail; 275 } 276 sc->ndis_rescnt++; 277 } 278 279 /* 280 * Allocate the parent bus DMA tag appropriate for PCI. 281 */ 282#define NDIS_NSEG_NEW 32 283 error = bus_dma_tag_create(NULL, /* parent */ 284 1, 0, /* alignment, boundary */ 285 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 286 BUS_SPACE_MAXADDR, /* highaddr */ 287 NULL, NULL, /* filter, filterarg */ 288 MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 289 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 290 BUS_DMA_ALLOCNOW, /* flags */ 291 NULL, NULL, /* lockfunc, lockarg */ 292 &sc->ndis_parent_tag); 293 294 if (error) 295 goto fail; 296 297 sc->ndis_iftype = PCIBus; 298 299 /* Figure out exactly which device we matched. */ 300 301 t = ndis_devs; 302 303 while(t->ndis_name != NULL) { 304 if ((pci_get_vendor(dev) == t->ndis_vid) && 305 (pci_get_device(dev) == t->ndis_did)) { 306 if (t->ndis_subsys == 0) 307 defidx = devidx; 308 else { 309 if (t->ndis_subsys == 310 pci_read_config(dev, PCIR_SUBVEND_0, 4)) 311 break; 312 } 313 } 314 t++; 315 devidx++; 316 } 317 318 if (ndis_devs[devidx].ndis_name == NULL) 319 sc->ndis_devidx = defidx; 320 else 321 sc->ndis_devidx = devidx; 322 323 error = ndis_attach(dev); 324 325fail: 326 return(error); 327} 328
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