/* * Copyright (c) 2003 * Bill Paul . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: src/sys/dev/if_ndis/if_ndis_pci.c,v 1.7 2004/07/11 00:19:30 wpaul Exp $ * $DragonFly: src/sys/dev/netif/ndis/if_ndis_pci.c,v 1.5 2006/10/25 20:55:58 dillon Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "if_ndisvar.h" #include "ndis_driver_data.h" #ifdef NDIS_PCI_DEV_TABLE MODULE_DEPEND(ndis, pci, 1, 1, 1); MODULE_DEPEND(ndis, wlan, 1, 1, 1); MODULE_DEPEND(ndis, ndisapi, 1, 1, 1); /* * Various supported device vendors/types and their names. * These are defined in the ndis_driver_data.h file. */ static struct ndis_pci_type ndis_devs[] = { #ifdef NDIS_PCI_DEV_TABLE NDIS_PCI_DEV_TABLE #endif { 0, 0, 0, NULL } }; static int ndis_probe_pci (device_t); static int ndis_attach_pci (device_t); static struct resource_list *ndis_get_resource_list (device_t, device_t); extern int ndis_attach (device_t); extern int ndis_shutdown (device_t); extern int ndis_detach (device_t); extern int ndis_suspend (device_t); extern int ndis_resume (device_t); static device_method_t ndis_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ndis_probe_pci), DEVMETHOD(device_attach, ndis_attach_pci), DEVMETHOD(device_detach, ndis_detach), DEVMETHOD(device_shutdown, ndis_shutdown), DEVMETHOD(device_suspend, ndis_suspend), DEVMETHOD(device_resume, ndis_resume), /* Bus interface */ DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), { 0, 0 } }; static driver_t ndis_driver = { #ifdef NDIS_DEVNAME NDIS_DEVNAME, #else "ndis", #endif ndis_methods, sizeof(struct ndis_softc) }; static devclass_t ndis_devclass; #ifdef NDIS_MODNAME #define NDIS_MODNAME_OVERRIDE_PCI(x) \ DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0) #define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \ DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0) NDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME); NDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME); #else DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0); DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0); #endif /* * Probe for an NDIS device. Check the PCI vendor and device * IDs against our list and return a device name if we find a match. */ static int ndis_probe_pci(device_t dev) { struct ndis_pci_type *t; t = ndis_devs; while(t->ndis_name != NULL) { if ((pci_get_vendor(dev) == t->ndis_vid) && (pci_get_device(dev) == t->ndis_did) && ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == t->ndis_subsys) || t->ndis_subsys == 0)) { device_set_desc(dev, t->ndis_name); return(0); } t++; } return(ENXIO); } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ static int ndis_attach_pci(device_t dev) { struct ndis_softc *sc; int unit, error = 0, rid; struct ndis_pci_type *t; int devidx = 0, defidx = 0; struct resource_list *rl; struct resource_list_entry *rle; sc = device_get_softc(dev); unit = device_get_unit(dev); sc->ndis_dev = dev; /* * Map control/status registers. */ pci_enable_busmaster(dev); rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); if (rl != NULL) { SLIST_FOREACH(rle, rl, link) { switch (rle->type) { case SYS_RES_IOPORT: sc->ndis_io_rid = rle->rid; sc->ndis_res_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->ndis_io_rid, RF_ACTIVE); if (sc->ndis_res_io == NULL) { device_printf(dev, "couldn't map iospace\n"); error = ENXIO; goto fail; } break; case SYS_RES_MEMORY: if (sc->ndis_res_altmem != NULL && sc->ndis_res_mem != NULL) { device_printf(dev, "too many memory resources\n"); error = ENXIO; goto fail; } if (rle->rid == PCIR_BAR(2)) { sc->ndis_altmem_rid = rle->rid; sc->ndis_res_altmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->ndis_altmem_rid, RF_ACTIVE); if (sc->ndis_res_altmem == NULL) { device_printf(dev, "couldn't map alt " "memory\n"); error = ENXIO; goto fail; } } else { sc->ndis_mem_rid = rle->rid; sc->ndis_res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->ndis_mem_rid, RF_ACTIVE); if (sc->ndis_res_mem == NULL) { device_printf(dev, "couldn't map memory\n"); error = ENXIO; goto fail; } } break; case SYS_RES_IRQ: rid = rle->rid; sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->ndis_irq == NULL) { device_printf(dev, "couldn't map interrupt\n"); error = ENXIO; goto fail; } break; default: break; } sc->ndis_rescnt++; } } /* * If the BIOS did not set up an interrupt for this device, * the resource traversal code above will fail to set up * an IRQ resource. This is usually a bad thing, so try to * force the allocation of an interrupt here. If one was * not assigned to us by the BIOS, bus_alloc_resource() * should route one for us. */ if (sc->ndis_irq == NULL) { rid = 0; sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->ndis_irq == NULL) { device_printf(dev, "couldn't route interrupt\n"); error = ENXIO; goto fail; } sc->ndis_rescnt++; } /* * Allocate the parent bus DMA tag appropriate for PCI. */ #define NDIS_NSEG_NEW 32 error = bus_dma_tag_create(NULL, /* parent */ 1, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ &sc->ndis_parent_tag); if (error) goto fail; sc->ndis_iftype = PCIBus; /* Figure out exactly which device we matched. */ t = ndis_devs; while(t->ndis_name != NULL) { if ((pci_get_vendor(dev) == t->ndis_vid) && (pci_get_device(dev) == t->ndis_did)) { if (t->ndis_subsys == 0) defidx = devidx; else { if (t->ndis_subsys == pci_read_config(dev, PCIR_SUBVEND_0, 4)) break; } } t++; devidx++; } if (ndis_devs[devidx].ndis_name == NULL) sc->ndis_devidx = defidx; else sc->ndis_devidx = devidx; error = ndis_attach(dev); fail: return(error); } static struct resource_list * ndis_get_resource_list(device_t dev, device_t child) { struct ndis_softc *sc; sc = device_get_softc(dev); return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); } #endif /* NDIS_PCI_DEV_TABLE */