if_ndis_pci.c revision 141524
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 141524 2005-02-08 17:23:25Z 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); 87131953Swpaulstatic struct resource_list *ndis_get_resource_list 88131953Swpaul (device_t, device_t); 89141524Swpaulextern int ndisdrv_modevent (module_t, int, void *); 90126706Swpaulextern int ndis_attach (device_t); 91126706Swpaulextern int ndis_shutdown (device_t); 92126706Swpaulextern int ndis_detach (device_t); 93126706Swpaulextern int ndis_suspend (device_t); 94126706Swpaulextern int ndis_resume (device_t); 95126706Swpaul 96141524Swpaulextern unsigned char drv_data[]; 97126706Swpaul 98126706Swpaulstatic device_method_t ndis_methods[] = { 99126706Swpaul /* Device interface */ 100126706Swpaul DEVMETHOD(device_probe, ndis_probe_pci), 101126706Swpaul DEVMETHOD(device_attach, ndis_attach_pci), 102126706Swpaul DEVMETHOD(device_detach, ndis_detach), 103126706Swpaul DEVMETHOD(device_shutdown, ndis_shutdown), 104126706Swpaul DEVMETHOD(device_suspend, ndis_suspend), 105126706Swpaul DEVMETHOD(device_resume, ndis_resume), 106126706Swpaul 107131953Swpaul /* Bus interface */ 108131953Swpaul DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 109131953Swpaul 110126706Swpaul { 0, 0 } 111126706Swpaul}; 112126706Swpaul 113126706Swpaulstatic driver_t ndis_driver = { 114126706Swpaul#ifdef NDIS_DEVNAME 115126706Swpaul NDIS_DEVNAME, 116126706Swpaul#else 117126706Swpaul "ndis", 118126706Swpaul#endif 119126706Swpaul ndis_methods, 120126706Swpaul sizeof(struct ndis_softc) 121126706Swpaul}; 122126706Swpaul 123126706Swpaulstatic devclass_t ndis_devclass; 124126706Swpaul 125126706Swpaul#ifdef NDIS_MODNAME 126126706Swpaul#define NDIS_MODNAME_OVERRIDE_PCI(x) \ 127141524Swpaul DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0) 128126706Swpaul#define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \ 129141524Swpaul DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, \ 130141524Swpaul ndisdrv_modevent, 0) 131126706SwpaulNDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME); 132126706SwpaulNDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME); 133126706Swpaul#else 134141524SwpaulDRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 135141524SwpaulDRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 136126706Swpaul#endif 137126706Swpaul 138126706Swpaul/* 139126706Swpaul * Probe for an NDIS device. Check the PCI vendor and device 140126706Swpaul * IDs against our list and return a device name if we find a match. 141126706Swpaul */ 142126706Swpaulstatic int 143126706Swpaulndis_probe_pci(dev) 144126706Swpaul device_t dev; 145126706Swpaul{ 146126706Swpaul struct ndis_pci_type *t; 147141524Swpaul driver_object *drv; 148141524Swpaul vm_offset_t img; 149126706Swpaul 150126706Swpaul t = ndis_devs; 151141524Swpaul img = (vm_offset_t)drv_data; 152141524Swpaul drv = windrv_lookup(img); 153126706Swpaul 154141524Swpaul if (drv == NULL) 155141524Swpaul return(ENXIO); 156141524Swpaul 157126706Swpaul while(t->ndis_name != NULL) { 158126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 159126706Swpaul (pci_get_device(dev) == t->ndis_did) && 160126706Swpaul ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == 161126706Swpaul t->ndis_subsys) || t->ndis_subsys == 0)) { 162126706Swpaul device_set_desc(dev, t->ndis_name); 163141524Swpaul 164141524Swpaul /* Create PDO for this device instance */ 165141524Swpaul windrv_create_pdo(drv, dev); 166126706Swpaul return(0); 167126706Swpaul } 168126706Swpaul t++; 169126706Swpaul } 170126706Swpaul 171126706Swpaul return(ENXIO); 172126706Swpaul} 173126706Swpaul 174126706Swpaul/* 175126706Swpaul * Attach the interface. Allocate softc structures, do ifmedia 176126706Swpaul * setup and ethernet/BPF attach. 177126706Swpaul */ 178126706Swpaulstatic int 179126706Swpaulndis_attach_pci(dev) 180126706Swpaul device_t dev; 181126706Swpaul{ 182126706Swpaul struct ndis_softc *sc; 183126706Swpaul int unit, error = 0, rid; 184126706Swpaul struct ndis_pci_type *t; 185126706Swpaul int devidx = 0, defidx = 0; 186126706Swpaul struct resource_list *rl; 187126706Swpaul struct resource_list_entry *rle; 188126706Swpaul 189126706Swpaul sc = device_get_softc(dev); 190126706Swpaul unit = device_get_unit(dev); 191126706Swpaul sc->ndis_dev = dev; 192126706Swpaul 193126706Swpaul /* 194126706Swpaul * Map control/status registers. 195126706Swpaul */ 196126706Swpaul 197126706Swpaul pci_enable_busmaster(dev); 198126706Swpaul 199126706Swpaul rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); 200126706Swpaul if (rl != NULL) { 201126706Swpaul SLIST_FOREACH(rle, rl, link) { 202126706Swpaul switch (rle->type) { 203126706Swpaul case SYS_RES_IOPORT: 204126706Swpaul sc->ndis_io_rid = rle->rid; 205127281Swpaul sc->ndis_res_io = bus_alloc_resource(dev, 206126706Swpaul SYS_RES_IOPORT, &sc->ndis_io_rid, 207127281Swpaul 0, ~0, 1, RF_ACTIVE); 208126706Swpaul if (sc->ndis_res_io == NULL) { 209126706Swpaul device_printf(dev, 210126706Swpaul "couldn't map iospace\n"); 211126706Swpaul error = ENXIO; 212126706Swpaul goto fail; 213126706Swpaul } 214126706Swpaul break; 215126706Swpaul case SYS_RES_MEMORY: 216126706Swpaul if (sc->ndis_res_altmem != NULL && 217126706Swpaul sc->ndis_res_mem != NULL) { 218126706Swpaul device_printf(dev, 219126706Swpaul "too many memory resources\n"); 220126706Swpaul error = ENXIO; 221126706Swpaul goto fail; 222126706Swpaul } 223133876Swpaul if (sc->ndis_res_mem) { 224126706Swpaul sc->ndis_altmem_rid = rle->rid; 225126706Swpaul sc->ndis_res_altmem = 226127281Swpaul bus_alloc_resource(dev, 227126706Swpaul SYS_RES_MEMORY, 228126706Swpaul &sc->ndis_altmem_rid, 229127281Swpaul 0, ~0, 1, RF_ACTIVE); 230126706Swpaul if (sc->ndis_res_altmem == NULL) { 231126706Swpaul device_printf(dev, 232126706Swpaul "couldn't map alt " 233126706Swpaul "memory\n"); 234126706Swpaul error = ENXIO; 235126706Swpaul goto fail; 236126706Swpaul } 237126706Swpaul } else { 238126706Swpaul sc->ndis_mem_rid = rle->rid; 239126706Swpaul sc->ndis_res_mem = 240127281Swpaul bus_alloc_resource(dev, 241126706Swpaul SYS_RES_MEMORY, 242126706Swpaul &sc->ndis_mem_rid, 243127281Swpaul 0, ~0, 1, RF_ACTIVE); 244126706Swpaul if (sc->ndis_res_mem == NULL) { 245126706Swpaul device_printf(dev, 246126706Swpaul "couldn't map memory\n"); 247126706Swpaul error = ENXIO; 248126706Swpaul goto fail; 249126706Swpaul } 250126706Swpaul } 251126706Swpaul break; 252126706Swpaul case SYS_RES_IRQ: 253126706Swpaul rid = rle->rid; 254127281Swpaul sc->ndis_irq = bus_alloc_resource(dev, 255127281Swpaul SYS_RES_IRQ, &rid, 0, ~0, 1, 256126706Swpaul RF_SHAREABLE | RF_ACTIVE); 257126706Swpaul if (sc->ndis_irq == NULL) { 258126706Swpaul device_printf(dev, 259126706Swpaul "couldn't map interrupt\n"); 260126706Swpaul error = ENXIO; 261126706Swpaul goto fail; 262126706Swpaul } 263126706Swpaul break; 264126706Swpaul default: 265126706Swpaul break; 266126706Swpaul } 267126706Swpaul sc->ndis_rescnt++; 268126706Swpaul } 269126706Swpaul } 270126706Swpaul 271126706Swpaul /* 272126780Swpaul * If the BIOS did not set up an interrupt for this device, 273126780Swpaul * the resource traversal code above will fail to set up 274126780Swpaul * an IRQ resource. This is usually a bad thing, so try to 275126780Swpaul * force the allocation of an interrupt here. If one was 276126780Swpaul * not assigned to us by the BIOS, bus_alloc_resource() 277126780Swpaul * should route one for us. 278126780Swpaul */ 279126780Swpaul if (sc->ndis_irq == NULL) { 280126780Swpaul rid = 0; 281126780Swpaul sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, 282126780Swpaul &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 283126780Swpaul if (sc->ndis_irq == NULL) { 284126780Swpaul device_printf(dev, "couldn't route interrupt\n"); 285126780Swpaul error = ENXIO; 286126780Swpaul goto fail; 287126780Swpaul } 288126780Swpaul sc->ndis_rescnt++; 289126780Swpaul } 290126780Swpaul 291126780Swpaul /* 292126706Swpaul * Allocate the parent bus DMA tag appropriate for PCI. 293126706Swpaul */ 294126706Swpaul#define NDIS_NSEG_NEW 32 295126706Swpaul error = bus_dma_tag_create(NULL, /* parent */ 296126706Swpaul 1, 0, /* alignment, boundary */ 297126706Swpaul BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 298126706Swpaul BUS_SPACE_MAXADDR, /* highaddr */ 299126706Swpaul NULL, NULL, /* filter, filterarg */ 300126706Swpaul MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ 301126706Swpaul BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 302126706Swpaul BUS_DMA_ALLOCNOW, /* flags */ 303126706Swpaul NULL, NULL, /* lockfunc, lockarg */ 304126706Swpaul &sc->ndis_parent_tag); 305126706Swpaul 306126706Swpaul if (error) 307126706Swpaul goto fail; 308126706Swpaul 309126706Swpaul sc->ndis_iftype = PCIBus; 310126706Swpaul 311126706Swpaul /* Figure out exactly which device we matched. */ 312126706Swpaul 313126706Swpaul t = ndis_devs; 314126706Swpaul 315126706Swpaul while(t->ndis_name != NULL) { 316126706Swpaul if ((pci_get_vendor(dev) == t->ndis_vid) && 317126706Swpaul (pci_get_device(dev) == t->ndis_did)) { 318126706Swpaul if (t->ndis_subsys == 0) 319126706Swpaul defidx = devidx; 320126706Swpaul else { 321126706Swpaul if (t->ndis_subsys == 322126706Swpaul pci_read_config(dev, PCIR_SUBVEND_0, 4)) 323126706Swpaul break; 324126706Swpaul } 325126706Swpaul } 326126706Swpaul t++; 327126706Swpaul devidx++; 328126706Swpaul } 329126706Swpaul 330126706Swpaul if (ndis_devs[devidx].ndis_name == NULL) 331126706Swpaul sc->ndis_devidx = defidx; 332126706Swpaul else 333126706Swpaul sc->ndis_devidx = devidx; 334126706Swpaul 335126706Swpaul error = ndis_attach(dev); 336126706Swpaul 337126706Swpaulfail: 338126706Swpaul return(error); 339126706Swpaul} 340126706Swpaul 341131953Swpaulstatic struct resource_list * 342131953Swpaulndis_get_resource_list(dev, child) 343131953Swpaul device_t dev; 344131953Swpaul device_t child; 345131953Swpaul{ 346131953Swpaul struct ndis_softc *sc; 347131953Swpaul 348131953Swpaul sc = device_get_softc(dev); 349131953Swpaul return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); 350131953Swpaul} 351131953Swpaul 352126706Swpaul#endif /* NDIS_PCI_DEV_TABLE */ 353