if_ndis_pci.c revision 129972
1126706Swpaul/* 2126706Swpaul * Copyright (c) 2003 3126706Swpaul * Bill Paul <wpaul@windriver.com>. All rights reserved. 4126706Swpaul * 5126706Swpaul * Redistribution and use in source and binary forms, with or without 6126706Swpaul * modification, are permitted provided that the following conditions 7126706Swpaul * are met: 8126706Swpaul * 1. Redistributions of source code must retain the above copyright 9126706Swpaul * notice, this list of conditions and the following disclaimer. 10126706Swpaul * 2. Redistributions in binary form must reproduce the above copyright 11126706Swpaul * notice, this list of conditions and the following disclaimer in the 12126706Swpaul * documentation and/or other materials provided with the distribution. 13126706Swpaul * 3. All advertising materials mentioning features or use of this software 14126706Swpaul * must display the following acknowledgement: 15126706Swpaul * This product includes software developed by Bill Paul. 16126706Swpaul * 4. Neither the name of the author nor the names of any co-contributors 17126706Swpaul * may be used to endorse or promote products derived from this software 18126706Swpaul * without specific prior written permission. 19126706Swpaul * 20126706Swpaul * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21126706Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22126706Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23126706Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24126706Swpaul * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25126706Swpaul * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26126706Swpaul * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27126706Swpaul * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28126706Swpaul * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29126706Swpaul * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30126706Swpaul * THE POSSIBILITY OF SUCH DAMAGE. 31126706Swpaul */ 32126706Swpaul 33126706Swpaul#include <sys/cdefs.h> 34126706Swpaul__FBSDID("$FreeBSD: head/sys/dev/if_ndis/if_ndis_pci.c 129972 2004-06-01 23:27:36Z wpaul $"); 35126706Swpaul 36126706Swpaul#include <sys/param.h> 37126706Swpaul#include <sys/systm.h> 38126706Swpaul#include <sys/kernel.h> 39129972Swpaul#include <sys/module.h> 40126706Swpaul#include <sys/socket.h> 41126706Swpaul#include <sys/queue.h> 42126706Swpaul#include <sys/sysctl.h> 43126706Swpaul 44126706Swpaul#include <net/if.h> 45126706Swpaul#include <net/if_arp.h> 46126706Swpaul#include <net/if_media.h> 47126706Swpaul 48126706Swpaul#include <machine/bus.h> 49126706Swpaul#include <machine/resource.h> 50126706Swpaul#include <sys/bus.h> 51126706Swpaul#include <sys/rman.h> 52126706Swpaul 53126706Swpaul#include <net80211/ieee80211_var.h> 54126706Swpaul 55126706Swpaul#include <dev/pci/pcireg.h> 56126706Swpaul#include <dev/pci/pcivar.h> 57126706Swpaul 58126706Swpaul#include <compat/ndis/pe_var.h> 59126706Swpaul#include <compat/ndis/resource_var.h> 60126706Swpaul#include <compat/ndis/ntoskrnl_var.h> 61126706Swpaul#include <compat/ndis/ndis_var.h> 62126706Swpaul#include <compat/ndis/cfg_var.h> 63126706Swpaul#include <dev/if_ndis/if_ndisvar.h> 64126706Swpaul 65126706Swpaul#include "ndis_driver_data.h" 66126706Swpaul 67126706Swpaul#ifdef NDIS_PCI_DEV_TABLE 68126706Swpaul 69126706SwpaulMODULE_DEPEND(ndis, pci, 1, 1, 1); 70126706SwpaulMODULE_DEPEND(ndis, ether, 1, 1, 1); 71126706SwpaulMODULE_DEPEND(ndis, wlan, 1, 1, 1); 72126706SwpaulMODULE_DEPEND(ndis, ndisapi, 1, 1, 1); 73126706Swpaul 74126706Swpaul/* 75126706Swpaul * Various supported device vendors/types and their names. 76126706Swpaul * These are defined in the ndis_driver_data.h file. 77126706Swpaul */ 78126706Swpaulstatic struct ndis_pci_type ndis_devs[] = { 79126706Swpaul#ifdef NDIS_PCI_DEV_TABLE 80126706Swpaul NDIS_PCI_DEV_TABLE 81126706Swpaul#endif 82126706Swpaul { 0, 0, 0, NULL } 83126706Swpaul}; 84126706Swpaul 85126706Swpaulstatic int ndis_probe_pci (device_t); 86126706Swpaulstatic int ndis_attach_pci (device_t); 87126706Swpaulextern int ndis_attach (device_t); 88126706Swpaulextern int ndis_shutdown (device_t); 89126706Swpaulextern int ndis_detach (device_t); 90126706Swpaulextern int ndis_suspend (device_t); 91126706Swpaulextern int ndis_resume (device_t); 92126706Swpaul 93126706Swpaulextern struct mtx_pool *ndis_mtxpool; 94126706Swpaul 95126706Swpaulstatic device_method_t ndis_methods[] = { 96126706Swpaul /* Device interface */ 97126706Swpaul DEVMETHOD(device_probe, ndis_probe_pci), 98126706Swpaul DEVMETHOD(device_attach, ndis_attach_pci), 99126706Swpaul DEVMETHOD(device_detach, ndis_detach), 100126706Swpaul DEVMETHOD(device_shutdown, ndis_shutdown), 101126706Swpaul DEVMETHOD(device_suspend, ndis_suspend), 102126706Swpaul DEVMETHOD(device_resume, ndis_resume), 103126706Swpaul 104126706Swpaul { 0, 0 } 105126706Swpaul}; 106126706Swpaul 107126706Swpaulstatic driver_t ndis_driver = { 108126706Swpaul#ifdef NDIS_DEVNAME 109126706Swpaul NDIS_DEVNAME, 110126706Swpaul#else 111126706Swpaul "ndis", 112126706Swpaul#endif 113126706Swpaul ndis_methods, 114126706Swpaul sizeof(struct ndis_softc) 115126706Swpaul}; 116126706Swpaul 117126706Swpaulstatic devclass_t ndis_devclass; 118126706Swpaul 119126706Swpaul#ifdef NDIS_MODNAME 120126706Swpaul#define NDIS_MODNAME_OVERRIDE_PCI(x) \ 121126706Swpaul DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0) 122126706Swpaul#define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \ 123126706Swpaul DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0) 124126706SwpaulNDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME); 125126706SwpaulNDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME); 126126706Swpaul#else 127126706SwpaulDRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0); 128126706SwpaulDRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0); 129126706Swpaul#endif 130126706Swpaul 131126706Swpaul/* 132126706Swpaul * Probe for an NDIS device. Check the PCI vendor and device 133126706Swpaul * IDs against our list and return a device name if we find a match. 134126706Swpaul */ 135126706Swpaulstatic int 136126706Swpaulndis_probe_pci(dev) 137126706Swpaul device_t dev; 138126706Swpaul{ 139126706Swpaul struct ndis_pci_type *t; 140126706Swpaul 141126706Swpaul t = ndis_devs; 142126706Swpaul 143126706Swpaul while(t->ndis_name != NULL) { 144126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 145126706Swpaul (pci_get_device(dev) == t->ndis_did) && 146126706Swpaul ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 147126706Swpaul t->ndis_subsys) || t->ndis_subsys == 0)) { 148126706Swpaul device_set_desc(dev, t->ndis_name); 149126706Swpaul return(0); 150126706Swpaul } 151126706Swpaul t++; 152126706Swpaul } 153126706Swpaul 154126706Swpaul return(ENXIO); 155126706Swpaul} 156126706Swpaul 157126706Swpaul/* 158126706Swpaul * Attach the interface. Allocate softc structures, do ifmedia 159126706Swpaul * setup and ethernet/BPF attach. 160126706Swpaul */ 161126706Swpaulstatic int 162126706Swpaulndis_attach_pci(dev) 163126706Swpaul device_t dev; 164126706Swpaul{ 165126706Swpaul struct ndis_softc *sc; 166126706Swpaul int unit, error = 0, rid; 167126706Swpaul struct ndis_pci_type *t; 168126706Swpaul int devidx = 0, defidx = 0; 169126706Swpaul struct resource_list *rl; 170126706Swpaul struct resource_list_entry *rle; 171126706Swpaul 172126706Swpaul sc = device_get_softc(dev); 173126706Swpaul unit = device_get_unit(dev); 174126706Swpaul sc->ndis_dev = dev; 175126706Swpaul 176126706Swpaul /* 177126706Swpaul * Map control/status registers. 178126706Swpaul */ 179126706Swpaul 180126706Swpaul pci_enable_busmaster(dev); 181126706Swpaul 182126706Swpaul rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 183126706Swpaul if (rl != NULL) { 184126706Swpaul SLIST_FOREACH(rle, rl, link) { 185126706Swpaul switch (rle->type) { 186126706Swpaul case SYS_RES_IOPORT: 187126706Swpaul sc->ndis_io_rid = rle->rid; 188127281Swpaul sc->ndis_res_io = bus_alloc_resource(dev, 189126706Swpaul SYS_RES_IOPORT, &sc->ndis_io_rid, 190127281Swpaul 0, ~0, 1, RF_ACTIVE); 191126706Swpaul if (sc->ndis_res_io == NULL) { 192126706Swpaul device_printf(dev, 193126706Swpaul "couldn't map iospace\n"); 194126706Swpaul error = ENXIO; 195126706Swpaul goto fail; 196126706Swpaul } 197126706Swpaul break; 198126706Swpaul case SYS_RES_MEMORY: 199126706Swpaul if (sc->ndis_res_altmem != NULL && 200126706Swpaul sc->ndis_res_mem != NULL) { 201126706Swpaul device_printf(dev, 202126706Swpaul "too many memory resources\n"); 203126706Swpaul error = ENXIO; 204126706Swpaul goto fail; 205126706Swpaul } 206126706Swpaul if (rle->rid == PCIR_BAR(2)) { 207126706Swpaul sc->ndis_altmem_rid = rle->rid; 208126706Swpaul sc->ndis_res_altmem = 209127281Swpaul bus_alloc_resource(dev, 210126706Swpaul SYS_RES_MEMORY, 211126706Swpaul &sc->ndis_altmem_rid, 212127281Swpaul 0, ~0, 1, RF_ACTIVE); 213126706Swpaul if (sc->ndis_res_altmem == NULL) { 214126706Swpaul device_printf(dev, 215126706Swpaul "couldn't map alt " 216126706Swpaul "memory\n"); 217126706Swpaul error = ENXIO; 218126706Swpaul goto fail; 219126706Swpaul } 220126706Swpaul } else { 221126706Swpaul sc->ndis_mem_rid = rle->rid; 222126706Swpaul sc->ndis_res_mem = 223127281Swpaul bus_alloc_resource(dev, 224126706Swpaul SYS_RES_MEMORY, 225126706Swpaul &sc->ndis_mem_rid, 226127281Swpaul 0, ~0, 1, RF_ACTIVE); 227126706Swpaul if (sc->ndis_res_mem == NULL) { 228126706Swpaul device_printf(dev, 229126706Swpaul "couldn't map memory\n"); 230126706Swpaul error = ENXIO; 231126706Swpaul goto fail; 232126706Swpaul } 233126706Swpaul } 234126706Swpaul break; 235126706Swpaul case SYS_RES_IRQ: 236126706Swpaul rid = rle->rid; 237127281Swpaul sc->ndis_irq = bus_alloc_resource(dev, 238127281Swpaul SYS_RES_IRQ, &rid, 0, ~0, 1, 239126706Swpaul RF_SHAREABLE | RF_ACTIVE); 240126706Swpaul if (sc->ndis_irq == NULL) { 241126706Swpaul device_printf(dev, 242126706Swpaul "couldn't map interrupt\n"); 243126706Swpaul error = ENXIO; 244126706Swpaul goto fail; 245126706Swpaul } 246126706Swpaul break; 247126706Swpaul default: 248126706Swpaul break; 249126706Swpaul } 250126706Swpaul sc->ndis_rescnt++; 251126706Swpaul } 252126706Swpaul } 253126706Swpaul 254126706Swpaul /* 255126780Swpaul * If the BIOS did not set up an interrupt for this device, 256126780Swpaul * the resource traversal code above will fail to set up 257126780Swpaul * an IRQ resource. This is usually a bad thing, so try to 258126780Swpaul * force the allocation of an interrupt here. If one was 259126780Swpaul * not assigned to us by the BIOS, bus_alloc_resource() 260126780Swpaul * should route one for us. 261126780Swpaul */ 262126780Swpaul if (sc->ndis_irq == NULL) { 263126780Swpaul rid = 0; 264126780Swpaul sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 265126780Swpaul &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 266126780Swpaul if (sc->ndis_irq == NULL) { 267126780Swpaul device_printf(dev, "couldn't route interrupt\n"); 268126780Swpaul error = ENXIO; 269126780Swpaul goto fail; 270126780Swpaul } 271126780Swpaul sc->ndis_rescnt++; 272126780Swpaul } 273126780Swpaul 274126780Swpaul /* 275126706Swpaul * Allocate the parent bus DMA tag appropriate for PCI. 276126706Swpaul */ 277126706Swpaul#define NDIS_NSEG_NEW 32 278126706Swpaul error = bus_dma_tag_create(NULL, /* parent */ 279126706Swpaul 1, 0, /* alignment, boundary */ 280126706Swpaul BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 281126706Swpaul BUS_SPACE_MAXADDR, /* highaddr */ 282126706Swpaul NULL, NULL, /* filter, filterarg */ 283126706Swpaul MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 284126706Swpaul BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 285126706Swpaul BUS_DMA_ALLOCNOW, /* flags */ 286126706Swpaul NULL, NULL, /* lockfunc, lockarg */ 287126706Swpaul &sc->ndis_parent_tag); 288126706Swpaul 289126706Swpaul if (error) 290126706Swpaul goto fail; 291126706Swpaul 292126706Swpaul sc->ndis_iftype = PCIBus; 293126706Swpaul 294126706Swpaul /* Figure out exactly which device we matched. */ 295126706Swpaul 296126706Swpaul t = ndis_devs; 297126706Swpaul 298126706Swpaul while(t->ndis_name != NULL) { 299126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 300126706Swpaul (pci_get_device(dev) == t->ndis_did)) { 301126706Swpaul if (t->ndis_subsys == 0) 302126706Swpaul defidx = devidx; 303126706Swpaul else { 304126706Swpaul if (t->ndis_subsys == 305126706Swpaul pci_read_config(dev, PCIR_SUBVEND_0, 4)) 306126706Swpaul break; 307126706Swpaul } 308126706Swpaul } 309126706Swpaul t++; 310126706Swpaul devidx++; 311126706Swpaul } 312126706Swpaul 313126706Swpaul if (ndis_devs[devidx].ndis_name == NULL) 314126706Swpaul sc->ndis_devidx = defidx; 315126706Swpaul else 316126706Swpaul sc->ndis_devidx = devidx; 317126706Swpaul 318126706Swpaul error = ndis_attach(dev); 319126706Swpaul 320126706Swpaulfail: 321126706Swpaul return(error); 322126706Swpaul} 323126706Swpaul 324126706Swpaul#endif /* NDIS_PCI_DEV_TABLE */ 325