if_ndis_pci.c revision 146016
1139749Simp/*- 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 146016 2005-05-08 23:19:20Z 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> 59145485Swpaul#include <compat/ndis/cfg_var.h> 60126706Swpaul#include <compat/ndis/resource_var.h> 61126706Swpaul#include <compat/ndis/ntoskrnl_var.h> 62126706Swpaul#include <compat/ndis/ndis_var.h> 63126706Swpaul#include <dev/if_ndis/if_ndisvar.h> 64126706Swpaul 65126706SwpaulMODULE_DEPEND(ndis, pci, 1, 1, 1); 66126706Swpaul 67126706Swpaulstatic int ndis_probe_pci (device_t); 68126706Swpaulstatic int ndis_attach_pci (device_t); 69131953Swpaulstatic struct resource_list *ndis_get_resource_list 70131953Swpaul (device_t, device_t); 71146016Swpaulstatic int ndis_devcompare (interface_type, 72146016Swpaul struct ndis_pci_type *, device_t); 73141524Swpaulextern int ndisdrv_modevent (module_t, int, void *); 74126706Swpaulextern int ndis_attach (device_t); 75126706Swpaulextern int ndis_shutdown (device_t); 76126706Swpaulextern int ndis_detach (device_t); 77126706Swpaulextern int ndis_suspend (device_t); 78126706Swpaulextern int ndis_resume (device_t); 79126706Swpaul 80126706Swpaulstatic device_method_t ndis_methods[] = { 81126706Swpaul /* Device interface */ 82126706Swpaul DEVMETHOD(device_probe, ndis_probe_pci), 83126706Swpaul DEVMETHOD(device_attach, ndis_attach_pci), 84126706Swpaul DEVMETHOD(device_detach, ndis_detach), 85126706Swpaul DEVMETHOD(device_shutdown, ndis_shutdown), 86126706Swpaul DEVMETHOD(device_suspend, ndis_suspend), 87126706Swpaul DEVMETHOD(device_resume, ndis_resume), 88126706Swpaul 89131953Swpaul /* Bus interface */ 90131953Swpaul DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 91131953Swpaul 92126706Swpaul { 0, 0 } 93126706Swpaul}; 94126706Swpaul 95126706Swpaulstatic driver_t ndis_driver = { 96126706Swpaul "ndis", 97126706Swpaul ndis_methods, 98126706Swpaul sizeof(struct ndis_softc) 99126706Swpaul}; 100126706Swpaul 101126706Swpaulstatic devclass_t ndis_devclass; 102126706Swpaul 103141524SwpaulDRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 104141524SwpaulDRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 105126706Swpaul 106145485Swpaulstatic int 107146016Swpaulndis_devcompare(bustype, t, dev) 108146016Swpaul interface_type bustype; 109145485Swpaul struct ndis_pci_type *t; 110145485Swpaul device_t dev; 111145485Swpaul{ 112146016Swpaul if (bustype != PCIBus) 113146016Swpaul return(FALSE); 114146016Swpaul 115145485Swpaul while(t->ndis_name != NULL) { 116145485Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 117145485Swpaul (pci_get_device(dev) == t->ndis_did) && 118145485Swpaul ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 119145485Swpaul t->ndis_subsys) || t->ndis_subsys == 0)) { 120145485Swpaul device_set_desc(dev, t->ndis_name); 121145485Swpaul return(TRUE); 122145485Swpaul } 123145485Swpaul t++; 124145485Swpaul } 125145485Swpaul 126145485Swpaul return(FALSE); 127145485Swpaul} 128145485Swpaul 129126706Swpaul/* 130126706Swpaul * Probe for an NDIS device. Check the PCI vendor and device 131126706Swpaul * IDs against our list and return a device name if we find a match. 132126706Swpaul */ 133126706Swpaulstatic int 134126706Swpaulndis_probe_pci(dev) 135126706Swpaul device_t dev; 136126706Swpaul{ 137141524Swpaul driver_object *drv; 138145485Swpaul struct drvdb_ent *db; 139126706Swpaul 140142804Swpaul drv = windrv_lookup(0, "PCI Bus"); 141126706Swpaul 142141524Swpaul if (drv == NULL) 143141524Swpaul return(ENXIO); 144141524Swpaul 145145485Swpaul db = windrv_match((matchfuncptr)ndis_devcompare, dev); 146141524Swpaul 147145485Swpaul if (db != NULL) { 148145485Swpaul /* Create PDO for this device instance */ 149145485Swpaul windrv_create_pdo(drv, dev); 150145485Swpaul return(0); 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; 170145485Swpaul struct drvdb_ent *db; 171126706Swpaul 172126706Swpaul sc = device_get_softc(dev); 173126706Swpaul unit = device_get_unit(dev); 174126706Swpaul sc->ndis_dev = dev; 175126706Swpaul 176145485Swpaul db = windrv_match((matchfuncptr)ndis_devcompare, dev); 177145485Swpaul if (db == NULL) 178145485Swpaul return (ENXIO); 179145485Swpaul sc->ndis_dobj = db->windrv_object; 180145485Swpaul sc->ndis_regvals = db->windrv_regvals; 181145485Swpaul 182126706Swpaul /* 183126706Swpaul * Map control/status registers. 184126706Swpaul */ 185126706Swpaul 186126706Swpaul pci_enable_busmaster(dev); 187126706Swpaul 188126706Swpaul rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 189126706Swpaul if (rl != NULL) { 190144176Swpaul#if __FreeBSD_version < 600022 191144176Swpaul SLIST_FOREACH(rle, rl, link) { 192144176Swpaul#else 193143848Smaxim STAILQ_FOREACH(rle, rl, link) { 194144176Swpaul#endif 195126706Swpaul switch (rle->type) { 196126706Swpaul case SYS_RES_IOPORT: 197126706Swpaul sc->ndis_io_rid = rle->rid; 198127281Swpaul sc->ndis_res_io = bus_alloc_resource(dev, 199126706Swpaul SYS_RES_IOPORT, &sc->ndis_io_rid, 200127281Swpaul 0, ~0, 1, RF_ACTIVE); 201126706Swpaul if (sc->ndis_res_io == NULL) { 202126706Swpaul device_printf(dev, 203126706Swpaul "couldn't map iospace\n"); 204126706Swpaul error = ENXIO; 205126706Swpaul goto fail; 206126706Swpaul } 207145485Swpaul pci_enable_io(dev, SYS_RES_IOPORT); 208126706Swpaul break; 209126706Swpaul case SYS_RES_MEMORY: 210126706Swpaul if (sc->ndis_res_altmem != NULL && 211126706Swpaul sc->ndis_res_mem != NULL) { 212126706Swpaul device_printf(dev, 213126706Swpaul "too many memory resources\n"); 214126706Swpaul error = ENXIO; 215126706Swpaul goto fail; 216126706Swpaul } 217133876Swpaul if (sc->ndis_res_mem) { 218126706Swpaul sc->ndis_altmem_rid = rle->rid; 219126706Swpaul sc->ndis_res_altmem = 220127281Swpaul bus_alloc_resource(dev, 221126706Swpaul SYS_RES_MEMORY, 222126706Swpaul &sc->ndis_altmem_rid, 223127281Swpaul 0, ~0, 1, RF_ACTIVE); 224126706Swpaul if (sc->ndis_res_altmem == NULL) { 225126706Swpaul device_printf(dev, 226126706Swpaul "couldn't map alt " 227126706Swpaul "memory\n"); 228126706Swpaul error = ENXIO; 229126706Swpaul goto fail; 230126706Swpaul } 231126706Swpaul } else { 232126706Swpaul sc->ndis_mem_rid = rle->rid; 233126706Swpaul sc->ndis_res_mem = 234127281Swpaul bus_alloc_resource(dev, 235126706Swpaul SYS_RES_MEMORY, 236126706Swpaul &sc->ndis_mem_rid, 237127281Swpaul 0, ~0, 1, RF_ACTIVE); 238126706Swpaul if (sc->ndis_res_mem == NULL) { 239126706Swpaul device_printf(dev, 240126706Swpaul "couldn't map memory\n"); 241126706Swpaul error = ENXIO; 242126706Swpaul goto fail; 243126706Swpaul } 244126706Swpaul } 245145485Swpaul pci_enable_io(dev, SYS_RES_MEMORY); 246126706Swpaul break; 247126706Swpaul case SYS_RES_IRQ: 248126706Swpaul rid = rle->rid; 249127281Swpaul sc->ndis_irq = bus_alloc_resource(dev, 250127281Swpaul SYS_RES_IRQ, &rid, 0, ~0, 1, 251126706Swpaul RF_SHAREABLE | RF_ACTIVE); 252126706Swpaul if (sc->ndis_irq == NULL) { 253126706Swpaul device_printf(dev, 254126706Swpaul "couldn't map interrupt\n"); 255126706Swpaul error = ENXIO; 256126706Swpaul goto fail; 257126706Swpaul } 258126706Swpaul break; 259126706Swpaul default: 260126706Swpaul break; 261126706Swpaul } 262126706Swpaul sc->ndis_rescnt++; 263126706Swpaul } 264126706Swpaul } 265126706Swpaul 266126706Swpaul /* 267126780Swpaul * If the BIOS did not set up an interrupt for this device, 268126780Swpaul * the resource traversal code above will fail to set up 269126780Swpaul * an IRQ resource. This is usually a bad thing, so try to 270126780Swpaul * force the allocation of an interrupt here. If one was 271126780Swpaul * not assigned to us by the BIOS, bus_alloc_resource() 272126780Swpaul * should route one for us. 273126780Swpaul */ 274126780Swpaul if (sc->ndis_irq == NULL) { 275126780Swpaul rid = 0; 276126780Swpaul sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 277126780Swpaul &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 278126780Swpaul if (sc->ndis_irq == NULL) { 279126780Swpaul device_printf(dev, "couldn't route interrupt\n"); 280126780Swpaul error = ENXIO; 281126780Swpaul goto fail; 282126780Swpaul } 283126780Swpaul sc->ndis_rescnt++; 284126780Swpaul } 285126780Swpaul 286126780Swpaul /* 287126706Swpaul * Allocate the parent bus DMA tag appropriate for PCI. 288126706Swpaul */ 289126706Swpaul#define NDIS_NSEG_NEW 32 290126706Swpaul error = bus_dma_tag_create(NULL, /* parent */ 291126706Swpaul 1, 0, /* alignment, boundary */ 292126706Swpaul BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 293126706Swpaul BUS_SPACE_MAXADDR, /* highaddr */ 294126706Swpaul NULL, NULL, /* filter, filterarg */ 295126706Swpaul MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 296126706Swpaul BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 297126706Swpaul BUS_DMA_ALLOCNOW, /* flags */ 298126706Swpaul NULL, NULL, /* lockfunc, lockarg */ 299126706Swpaul &sc->ndis_parent_tag); 300126706Swpaul 301126706Swpaul if (error) 302126706Swpaul goto fail; 303126706Swpaul 304126706Swpaul sc->ndis_iftype = PCIBus; 305126706Swpaul 306126706Swpaul /* Figure out exactly which device we matched. */ 307126706Swpaul 308145485Swpaul t = db->windrv_devlist; 309126706Swpaul 310126706Swpaul while(t->ndis_name != NULL) { 311126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 312126706Swpaul (pci_get_device(dev) == t->ndis_did)) { 313126706Swpaul if (t->ndis_subsys == 0) 314126706Swpaul defidx = devidx; 315126706Swpaul else { 316126706Swpaul if (t->ndis_subsys == 317126706Swpaul pci_read_config(dev, PCIR_SUBVEND_0, 4)) 318126706Swpaul break; 319126706Swpaul } 320126706Swpaul } 321126706Swpaul t++; 322126706Swpaul devidx++; 323126706Swpaul } 324126706Swpaul 325145995Swpaul if (t->ndis_name == NULL) 326126706Swpaul sc->ndis_devidx = defidx; 327126706Swpaul else 328126706Swpaul sc->ndis_devidx = devidx; 329126706Swpaul 330126706Swpaul error = ndis_attach(dev); 331126706Swpaul 332126706Swpaulfail: 333126706Swpaul return(error); 334126706Swpaul} 335126706Swpaul 336131953Swpaulstatic struct resource_list * 337131953Swpaulndis_get_resource_list(dev, child) 338131953Swpaul device_t dev; 339131953Swpaul device_t child; 340131953Swpaul{ 341131953Swpaul struct ndis_softc *sc; 342131953Swpaul 343131953Swpaul sc = device_get_softc(dev); 344131953Swpaul return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); 345131953Swpaul} 346