if_ndis_pci.c revision 127281
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 127281 2004-03-21 19:56:41Z wpaul $"); 35126706Swpaul 36126706Swpaul#include <sys/param.h> 37126706Swpaul#include <sys/systm.h> 38126706Swpaul#include <sys/kernel.h> 39126706Swpaul#include <sys/socket.h> 40126706Swpaul#include <sys/queue.h> 41126706Swpaul#include <sys/sysctl.h> 42126706Swpaul 43126706Swpaul#include <net/if.h> 44126706Swpaul#include <net/if_arp.h> 45126706Swpaul#include <net/if_media.h> 46126706Swpaul 47126706Swpaul#include <machine/bus.h> 48126706Swpaul#include <machine/resource.h> 49126706Swpaul#include <sys/bus.h> 50126706Swpaul#include <sys/rman.h> 51126706Swpaul 52126706Swpaul#include <net80211/ieee80211_var.h> 53126706Swpaul 54126706Swpaul#include <dev/pci/pcireg.h> 55126706Swpaul#include <dev/pci/pcivar.h> 56126706Swpaul 57126706Swpaul#include <compat/ndis/pe_var.h> 58126706Swpaul#include <compat/ndis/resource_var.h> 59126706Swpaul#include <compat/ndis/ntoskrnl_var.h> 60126706Swpaul#include <compat/ndis/ndis_var.h> 61126706Swpaul#include <compat/ndis/cfg_var.h> 62126706Swpaul#include <dev/if_ndis/if_ndisvar.h> 63126706Swpaul 64126706Swpaul#include "ndis_driver_data.h" 65126706Swpaul 66126706Swpaul#ifdef NDIS_PCI_DEV_TABLE 67126706Swpaul 68126706SwpaulMODULE_DEPEND(ndis, pci, 1, 1, 1); 69126706SwpaulMODULE_DEPEND(ndis, ether, 1, 1, 1); 70126706SwpaulMODULE_DEPEND(ndis, wlan, 1, 1, 1); 71126706SwpaulMODULE_DEPEND(ndis, ndisapi, 1, 1, 1); 72126706Swpaul 73126706Swpaul/* 74126706Swpaul * Various supported device vendors/types and their names. 75126706Swpaul * These are defined in the ndis_driver_data.h file. 76126706Swpaul */ 77126706Swpaulstatic struct ndis_pci_type ndis_devs[] = { 78126706Swpaul#ifdef NDIS_PCI_DEV_TABLE 79126706Swpaul NDIS_PCI_DEV_TABLE 80126706Swpaul#endif 81126706Swpaul { 0, 0, 0, NULL } 82126706Swpaul}; 83126706Swpaul 84126706Swpaulstatic int ndis_probe_pci (device_t); 85126706Swpaulstatic int ndis_attach_pci (device_t); 86126706Swpaulextern int ndis_attach (device_t); 87126706Swpaulextern int ndis_shutdown (device_t); 88126706Swpaulextern int ndis_detach (device_t); 89126706Swpaulextern int ndis_suspend (device_t); 90126706Swpaulextern int ndis_resume (device_t); 91126706Swpaul 92126706Swpaulextern struct mtx_pool *ndis_mtxpool; 93126706Swpaul 94126706Swpaulstatic device_method_t ndis_methods[] = { 95126706Swpaul /* Device interface */ 96126706Swpaul DEVMETHOD(device_probe, ndis_probe_pci), 97126706Swpaul DEVMETHOD(device_attach, ndis_attach_pci), 98126706Swpaul DEVMETHOD(device_detach, ndis_detach), 99126706Swpaul DEVMETHOD(device_shutdown, ndis_shutdown), 100126706Swpaul DEVMETHOD(device_suspend, ndis_suspend), 101126706Swpaul DEVMETHOD(device_resume, ndis_resume), 102126706Swpaul 103126706Swpaul { 0, 0 } 104126706Swpaul}; 105126706Swpaul 106126706Swpaulstatic driver_t ndis_driver = { 107126706Swpaul#ifdef NDIS_DEVNAME 108126706Swpaul NDIS_DEVNAME, 109126706Swpaul#else 110126706Swpaul "ndis", 111126706Swpaul#endif 112126706Swpaul ndis_methods, 113126706Swpaul sizeof(struct ndis_softc) 114126706Swpaul}; 115126706Swpaul 116126706Swpaulstatic devclass_t ndis_devclass; 117126706Swpaul 118126706Swpaul#ifdef NDIS_MODNAME 119126706Swpaul#define NDIS_MODNAME_OVERRIDE_PCI(x) \ 120126706Swpaul DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0) 121126706Swpaul#define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \ 122126706Swpaul DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0) 123126706SwpaulNDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME); 124126706SwpaulNDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME); 125126706Swpaul#else 126126706SwpaulDRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0); 127126706SwpaulDRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0); 128126706Swpaul#endif 129126706Swpaul 130126706Swpaul/* 131126706Swpaul * Probe for an NDIS device. Check the PCI vendor and device 132126706Swpaul * IDs against our list and return a device name if we find a match. 133126706Swpaul */ 134126706Swpaulstatic int 135126706Swpaulndis_probe_pci(dev) 136126706Swpaul device_t dev; 137126706Swpaul{ 138126706Swpaul struct ndis_pci_type *t; 139126706Swpaul 140126706Swpaul t = ndis_devs; 141126706Swpaul 142126706Swpaul while(t->ndis_name != NULL) { 143126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 144126706Swpaul (pci_get_device(dev) == t->ndis_did) && 145126706Swpaul ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 146126706Swpaul t->ndis_subsys) || t->ndis_subsys == 0)) { 147126706Swpaul device_set_desc(dev, t->ndis_name); 148126706Swpaul return(0); 149126706Swpaul } 150126706Swpaul t++; 151126706Swpaul } 152126706Swpaul 153126706Swpaul return(ENXIO); 154126706Swpaul} 155126706Swpaul 156126706Swpaul/* 157126706Swpaul * Attach the interface. Allocate softc structures, do ifmedia 158126706Swpaul * setup and ethernet/BPF attach. 159126706Swpaul */ 160126706Swpaulstatic int 161126706Swpaulndis_attach_pci(dev) 162126706Swpaul device_t dev; 163126706Swpaul{ 164126706Swpaul struct ndis_softc *sc; 165126706Swpaul int unit, error = 0, rid; 166126706Swpaul struct ndis_pci_type *t; 167126706Swpaul int devidx = 0, defidx = 0; 168126706Swpaul struct resource_list *rl; 169126706Swpaul struct resource_list_entry *rle; 170126706Swpaul 171126706Swpaul sc = device_get_softc(dev); 172126706Swpaul unit = device_get_unit(dev); 173126706Swpaul sc->ndis_dev = dev; 174126706Swpaul 175126706Swpaul /* 176126706Swpaul * Map control/status registers. 177126706Swpaul */ 178126706Swpaul 179126706Swpaul pci_enable_busmaster(dev); 180126706Swpaul 181126706Swpaul rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 182126706Swpaul if (rl != NULL) { 183126706Swpaul SLIST_FOREACH(rle, rl, link) { 184126706Swpaul switch (rle->type) { 185126706Swpaul case SYS_RES_IOPORT: 186126706Swpaul sc->ndis_io_rid = rle->rid; 187127281Swpaul sc->ndis_res_io = bus_alloc_resource(dev, 188126706Swpaul SYS_RES_IOPORT, &sc->ndis_io_rid, 189127281Swpaul 0, ~0, 1, RF_ACTIVE); 190126706Swpaul if (sc->ndis_res_io == NULL) { 191126706Swpaul device_printf(dev, 192126706Swpaul "couldn't map iospace\n"); 193126706Swpaul error = ENXIO; 194126706Swpaul goto fail; 195126706Swpaul } 196126706Swpaul break; 197126706Swpaul case SYS_RES_MEMORY: 198126706Swpaul if (sc->ndis_res_altmem != NULL && 199126706Swpaul sc->ndis_res_mem != NULL) { 200126706Swpaul device_printf(dev, 201126706Swpaul "too many memory resources\n"); 202126706Swpaul error = ENXIO; 203126706Swpaul goto fail; 204126706Swpaul } 205126706Swpaul if (rle->rid == PCIR_BAR(2)) { 206126706Swpaul sc->ndis_altmem_rid = rle->rid; 207126706Swpaul sc->ndis_res_altmem = 208127281Swpaul bus_alloc_resource(dev, 209126706Swpaul SYS_RES_MEMORY, 210126706Swpaul &sc->ndis_altmem_rid, 211127281Swpaul 0, ~0, 1, RF_ACTIVE); 212126706Swpaul if (sc->ndis_res_altmem == NULL) { 213126706Swpaul device_printf(dev, 214126706Swpaul "couldn't map alt " 215126706Swpaul "memory\n"); 216126706Swpaul error = ENXIO; 217126706Swpaul goto fail; 218126706Swpaul } 219126706Swpaul } else { 220126706Swpaul sc->ndis_mem_rid = rle->rid; 221126706Swpaul sc->ndis_res_mem = 222127281Swpaul bus_alloc_resource(dev, 223126706Swpaul SYS_RES_MEMORY, 224126706Swpaul &sc->ndis_mem_rid, 225127281Swpaul 0, ~0, 1, RF_ACTIVE); 226126706Swpaul if (sc->ndis_res_mem == NULL) { 227126706Swpaul device_printf(dev, 228126706Swpaul "couldn't map memory\n"); 229126706Swpaul error = ENXIO; 230126706Swpaul goto fail; 231126706Swpaul } 232126706Swpaul } 233126706Swpaul break; 234126706Swpaul case SYS_RES_IRQ: 235126706Swpaul rid = rle->rid; 236127281Swpaul sc->ndis_irq = bus_alloc_resource(dev, 237127281Swpaul SYS_RES_IRQ, &rid, 0, ~0, 1, 238126706Swpaul RF_SHAREABLE | RF_ACTIVE); 239126706Swpaul if (sc->ndis_irq == NULL) { 240126706Swpaul device_printf(dev, 241126706Swpaul "couldn't map interrupt\n"); 242126706Swpaul error = ENXIO; 243126706Swpaul goto fail; 244126706Swpaul } 245126706Swpaul break; 246126706Swpaul default: 247126706Swpaul break; 248126706Swpaul } 249126706Swpaul sc->ndis_rescnt++; 250126706Swpaul } 251126706Swpaul } 252126706Swpaul 253126706Swpaul /* 254126780Swpaul * If the BIOS did not set up an interrupt for this device, 255126780Swpaul * the resource traversal code above will fail to set up 256126780Swpaul * an IRQ resource. This is usually a bad thing, so try to 257126780Swpaul * force the allocation of an interrupt here. If one was 258126780Swpaul * not assigned to us by the BIOS, bus_alloc_resource() 259126780Swpaul * should route one for us. 260126780Swpaul */ 261126780Swpaul if (sc->ndis_irq == NULL) { 262126780Swpaul rid = 0; 263126780Swpaul sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 264126780Swpaul &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 265126780Swpaul if (sc->ndis_irq == NULL) { 266126780Swpaul device_printf(dev, "couldn't route interrupt\n"); 267126780Swpaul error = ENXIO; 268126780Swpaul goto fail; 269126780Swpaul } 270126780Swpaul sc->ndis_rescnt++; 271126780Swpaul } 272126780Swpaul 273126780Swpaul /* 274126706Swpaul * Allocate the parent bus DMA tag appropriate for PCI. 275126706Swpaul */ 276126706Swpaul#define NDIS_NSEG_NEW 32 277126706Swpaul error = bus_dma_tag_create(NULL, /* parent */ 278126706Swpaul 1, 0, /* alignment, boundary */ 279126706Swpaul BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 280126706Swpaul BUS_SPACE_MAXADDR, /* highaddr */ 281126706Swpaul NULL, NULL, /* filter, filterarg */ 282126706Swpaul MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 283126706Swpaul BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 284126706Swpaul BUS_DMA_ALLOCNOW, /* flags */ 285126706Swpaul NULL, NULL, /* lockfunc, lockarg */ 286126706Swpaul &sc->ndis_parent_tag); 287126706Swpaul 288126706Swpaul if (error) 289126706Swpaul goto fail; 290126706Swpaul 291126706Swpaul sc->ndis_iftype = PCIBus; 292126706Swpaul 293126706Swpaul /* Figure out exactly which device we matched. */ 294126706Swpaul 295126706Swpaul t = ndis_devs; 296126706Swpaul 297126706Swpaul while(t->ndis_name != NULL) { 298126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 299126706Swpaul (pci_get_device(dev) == t->ndis_did)) { 300126706Swpaul if (t->ndis_subsys == 0) 301126706Swpaul defidx = devidx; 302126706Swpaul else { 303126706Swpaul if (t->ndis_subsys == 304126706Swpaul pci_read_config(dev, PCIR_SUBVEND_0, 4)) 305126706Swpaul break; 306126706Swpaul } 307126706Swpaul } 308126706Swpaul t++; 309126706Swpaul devidx++; 310126706Swpaul } 311126706Swpaul 312126706Swpaul if (ndis_devs[devidx].ndis_name == NULL) 313126706Swpaul sc->ndis_devidx = defidx; 314126706Swpaul else 315126706Swpaul sc->ndis_devidx = devidx; 316126706Swpaul 317126706Swpaul error = ndis_attach(dev); 318126706Swpaul 319126706Swpaulfail: 320126706Swpaul return(error); 321126706Swpaul} 322126706Swpaul 323126706Swpaul#endif /* NDIS_PCI_DEV_TABLE */ 324