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: releng/11.0/sys/dev/if_ndis/if_ndis_pci.c 292411 2015-12-17 21:01:19Z glebius $"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/kernel.h> 39#include <sys/malloc.h> 40#include <sys/module.h> 41#include <sys/socket.h> 42#include <sys/queue.h> 43#include <sys/sysctl.h> 44 45#include <net/if.h> 46#include <net/if_var.h> 47#include <net/if_arp.h> 48#include <net/if_media.h> 49#include <net/ethernet.h> 50 51#include <machine/bus.h> 52#include <machine/resource.h> 53#include <sys/bus.h> 54#include <sys/rman.h> 55 56#include <net80211/ieee80211_var.h> 57 58#include <dev/pci/pcireg.h> 59#include <dev/pci/pcivar.h> 60#include <dev/usb/usb.h> 61#include <dev/usb/usbdi.h> 62 63#include <compat/ndis/pe_var.h> 64#include <compat/ndis/cfg_var.h> 65#include <compat/ndis/resource_var.h> 66#include <compat/ndis/ntoskrnl_var.h> 67#include <compat/ndis/ndis_var.h> 68#include <dev/if_ndis/if_ndisvar.h> 69 70MODULE_DEPEND(ndis, pci, 1, 1, 1); 71 72static int ndis_probe_pci (device_t); 73static int ndis_attach_pci (device_t); 74static struct resource_list *ndis_get_resource_list 75 (device_t, device_t); 76static int ndis_devcompare (interface_type, 77 struct ndis_pci_type *, device_t); 78extern int ndisdrv_modevent (module_t, int, void *); 79extern int ndis_attach (device_t); 80extern int ndis_shutdown (device_t); 81extern int ndis_detach (device_t); 82extern int ndis_suspend (device_t); 83extern int ndis_resume (device_t); 84 85static device_method_t ndis_methods[] = { 86 /* Device interface */ 87 DEVMETHOD(device_probe, ndis_probe_pci), 88 DEVMETHOD(device_attach, ndis_attach_pci), 89 DEVMETHOD(device_detach, ndis_detach), 90 DEVMETHOD(device_shutdown, ndis_shutdown), 91 DEVMETHOD(device_suspend, ndis_suspend), 92 DEVMETHOD(device_resume, ndis_resume), 93 94 /* Bus interface */ 95 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 96 97 { 0, 0 } 98}; 99 100static driver_t ndis_driver = { 101 "ndis", 102 ndis_methods, 103 sizeof(struct ndis_softc) 104}; 105 106static devclass_t ndis_devclass; 107 108DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 109 110static int 111ndis_devcompare(bustype, t, dev) 112 interface_type bustype; 113 struct ndis_pci_type *t; 114 device_t dev; 115{ 116 uint16_t vid, did; 117 uint32_t subsys; 118 119 if (bustype != PCIBus) 120 return(FALSE); 121 122 vid = pci_get_vendor(dev); 123 did = pci_get_device(dev); 124 subsys = pci_get_subdevice(dev); 125 subsys = (subsys << 16) | pci_get_subvendor(dev); 126 127 while(t->ndis_name != NULL) { 128 if ((t->ndis_vid == vid) && (t->ndis_did == did) && 129 (t->ndis_subsys == subsys || t->ndis_subsys == 0)) { 130 device_set_desc(dev, t->ndis_name); 131 return(TRUE); 132 } 133 t++; 134 } 135 136 return(FALSE); 137} 138 139/* 140 * Probe for an NDIS device. Check the PCI vendor and device 141 * IDs against our list and return a device name if we find a match. 142 */ 143static int 144ndis_probe_pci(dev) 145 device_t dev; 146{ 147 driver_object *drv; 148 struct drvdb_ent *db; 149 150 drv = windrv_lookup(0, "PCI Bus"); 151 152 if (drv == NULL) 153 return(ENXIO); 154 155 db = windrv_match((matchfuncptr)ndis_devcompare, dev); 156 157 if (db != NULL) { 158 /* Create PDO for this device instance */ 159 windrv_create_pdo(drv, dev); 160 return(0); 161 } 162 163 return(ENXIO); 164} 165 166/* 167 * Attach the interface. Allocate softc structures, do ifmedia 168 * setup and ethernet/BPF attach. 169 */ 170static int 171ndis_attach_pci(dev) 172 device_t dev; 173{ 174 struct ndis_softc *sc; 175 int unit, error = 0, rid; 176 struct ndis_pci_type *t; 177 int devidx = 0, defidx = 0; 178 struct resource_list *rl; 179 struct resource_list_entry *rle; 180 struct drvdb_ent *db; 181 uint16_t vid, did; 182 uint32_t subsys; 183 184 sc = device_get_softc(dev); 185 unit = device_get_unit(dev); 186 sc->ndis_dev = dev; 187 188 db = windrv_match((matchfuncptr)ndis_devcompare, dev); 189 if (db == NULL) 190 return (ENXIO); 191 sc->ndis_dobj = db->windrv_object; 192 sc->ndis_regvals = db->windrv_regvals; 193 194 /* 195 * Map control/status registers. 196 */ 197 198 pci_enable_busmaster(dev); 199 200 rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 201 if (rl != NULL) { 202 STAILQ_FOREACH(rle, rl, link) { 203 switch (rle->type) { 204 case SYS_RES_IOPORT: 205 sc->ndis_io_rid = rle->rid; 206 sc->ndis_res_io = bus_alloc_resource_any(dev, 207 SYS_RES_IOPORT, &sc->ndis_io_rid, 208 RF_ACTIVE); 209 if (sc->ndis_res_io == NULL) { 210 device_printf(dev, 211 "couldn't map iospace\n"); 212 error = ENXIO; 213 goto fail; 214 } 215 break; 216 case SYS_RES_MEMORY: 217 if (sc->ndis_res_altmem != NULL && 218 sc->ndis_res_mem != NULL) { 219 device_printf(dev, 220 "too many memory resources\n"); 221 error = ENXIO; 222 goto fail; 223 } 224 if (sc->ndis_res_mem) { 225 sc->ndis_altmem_rid = rle->rid; 226 sc->ndis_res_altmem = 227 bus_alloc_resource_any(dev, 228 SYS_RES_MEMORY, 229 &sc->ndis_altmem_rid, 230 RF_ACTIVE); 231 if (sc->ndis_res_altmem == NULL) { 232 device_printf(dev, 233 "couldn't map alt " 234 "memory\n"); 235 error = ENXIO; 236 goto fail; 237 } 238 } else { 239 sc->ndis_mem_rid = rle->rid; 240 sc->ndis_res_mem = 241 bus_alloc_resource_any(dev, 242 SYS_RES_MEMORY, 243 &sc->ndis_mem_rid, 244 RF_ACTIVE); 245 if (sc->ndis_res_mem == NULL) { 246 device_printf(dev, 247 "couldn't map memory\n"); 248 error = ENXIO; 249 goto fail; 250 } 251 } 252 break; 253 case SYS_RES_IRQ: 254 rid = rle->rid; 255 sc->ndis_irq = bus_alloc_resource_any(dev, 256 SYS_RES_IRQ, &rid, 257 RF_SHAREABLE | RF_ACTIVE); 258 if (sc->ndis_irq == NULL) { 259 device_printf(dev, 260 "couldn't map interrupt\n"); 261 error = ENXIO; 262 goto fail; 263 } 264 break; 265 default: 266 break; 267 } 268 sc->ndis_rescnt++; 269 } 270 } 271 272 /* 273 * If the BIOS did not set up an interrupt for this device, 274 * the resource traversal code above will fail to set up 275 * an IRQ resource. This is usually a bad thing, so try to 276 * force the allocation of an interrupt here. If one was 277 * not assigned to us by the BIOS, bus_alloc_resource() 278 * should route one for us. 279 */ 280 if (sc->ndis_irq == NULL) { 281 rid = 0; 282 sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 283 &rid, RF_SHAREABLE | RF_ACTIVE); 284 if (sc->ndis_irq == NULL) { 285 device_printf(dev, "couldn't route interrupt\n"); 286 error = ENXIO; 287 goto fail; 288 } 289 sc->ndis_rescnt++; 290 } 291 292 /* 293 * Allocate the parent bus DMA tag appropriate for PCI. 294 */ 295#define NDIS_NSEG_NEW 32 296 error = bus_dma_tag_create(bus_get_dma_tag(dev),/* PCI parent */ 297 1, 0, /* alignment, boundary */ 298 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 299 BUS_SPACE_MAXADDR, /* highaddr */ 300 NULL, NULL, /* filter, filterarg */ 301 DFLTPHYS, NDIS_NSEG_NEW,/* maxsize, nsegments */ 302 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 303 BUS_DMA_ALLOCNOW, /* flags */ 304 NULL, NULL, /* lockfunc, lockarg */ 305 &sc->ndis_parent_tag); 306 307 if (error) 308 goto fail; 309 310 sc->ndis_iftype = PCIBus; 311 312 /* Figure out exactly which device we matched. */ 313 314 vid = pci_get_vendor(dev); 315 did = pci_get_device(dev); 316 subsys = pci_get_subdevice(dev); 317 subsys = (subsys << 16) | pci_get_subvendor(dev); 318 319 t = db->windrv_devlist; 320 321 while(t->ndis_name != NULL) { 322 if (t->ndis_vid == vid && t->ndis_did == did) { 323 if (t->ndis_subsys == 0) 324 defidx = devidx; 325 else if (t->ndis_subsys == subsys) 326 break; 327 } 328 t++; 329 devidx++; 330 } 331 332 if (t->ndis_name == NULL) 333 sc->ndis_devidx = defidx; 334 else 335 sc->ndis_devidx = devidx; 336 337 error = ndis_attach(dev); 338 339fail: 340 return(error); 341} 342 343static struct resource_list * 344ndis_get_resource_list(dev, child) 345 device_t dev; 346 device_t child; 347{ 348 struct ndis_softc *sc; 349 350 sc = device_get_softc(dev); 351 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); 352} 353