/* $NetBSD: if_rtk_pci.c,v 1.37 2008/08/23 16:56:45 tsutsui Exp $ */ /* * Copyright (c) 1997, 1998 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Id: if_rl.c,v 1.17 1999/06/19 20:17:37 wpaul Exp */ /* * Realtek 8129/8139 PCI NIC driver * * Supports several extremely cheap PCI 10/100 adapters based on * the Realtek chipset. Datasheets can be obtained from * www.realtek.com.tw. * * Written by Bill Paul <wpaul@ctr.columbia.edu> * Electrical Engineering Department * Columbia University, New York City */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: if_rtk_pci.c,v 1.37 2008/08/23 16:56:45 tsutsui Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/callout.h> #include <sys/device.h> #include <sys/sockio.h> #include <sys/mbuf.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/socket.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_ether.h> #include <net/if_dl.h> #include <net/if_media.h> #include <sys/bus.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcidevs.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include <dev/ic/rtl81x9reg.h> #include <dev/ic/rtl81x9var.h> struct rtk_pci_softc { struct rtk_softc sc_rtk; /* real rtk softc */ /* PCI-specific goo.*/ void *sc_ih; }; static const struct rtk_type rtk_pci_devs[] = { { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129, RTK_8129, "Realtek 8129 10/100BaseTX" }, { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139, RTK_8139, "Realtek 8139 10/100BaseTX" }, { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8138, RTK_8139, "Realtek 8138 10/100BaseTX" }, { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139D, RTK_8139, "Realtek 8139D 10/100BaseTX" }, { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8100, RTK_8139, "Realtek 8100 10/100BaseTX" }, { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_MPX5030, RTK_8139, "Accton MPX 5030/5038 10/100BaseTX" }, { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139, RTK_8139, "Delta Electronics 8139 10/100BaseTX" }, { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139, RTK_8139, "Addtron Technology 8139 10/100BaseTX" }, { PCI_VENDOR_SEGA, PCI_PRODUCT_SEGA_BROADBAND, RTK_8139, "SEGA Broadband Adapter" }, { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DFE530TXPLUS, RTK_8139, "D-Link Systems DFE 530TX+" }, { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BAYSTACK_21, RTK_8139, "Baystack 21 (MPX EN5038) 10/100BaseTX" }, { 0, 0, 0, NULL } }; static int rtk_pci_match(device_t, struct cfdata *, void *); static void rtk_pci_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(rtk_pci, sizeof(struct rtk_pci_softc), rtk_pci_match, rtk_pci_attach, NULL, NULL); static const struct rtk_type * rtk_pci_lookup(const struct pci_attach_args *pa) { const struct rtk_type *t; for (t = rtk_pci_devs; t->rtk_name != NULL; t++) { if (PCI_VENDOR(pa->pa_id) == t->rtk_vid && PCI_PRODUCT(pa->pa_id) == t->rtk_did) { return (t); } } return NULL; } static int rtk_pci_match(device_t parent, cfdata_t cf, void *aux) { struct pci_attach_args *pa = aux; if (rtk_pci_lookup(pa) != NULL) return 1; return 0; } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ static void rtk_pci_attach(device_t parent, device_t self, void *aux) { struct rtk_pci_softc *psc = device_private(self); struct rtk_softc *sc = &psc->sc_rtk; struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; pci_intr_handle_t ih; bus_space_tag_t iot, memt; bus_space_handle_t ioh, memh; const char *intrstr = NULL; const struct rtk_type *t; int ioh_valid, memh_valid; sc->sc_dev = self; t = rtk_pci_lookup(pa); if (t == NULL) { aprint_normal("\n"); panic("%s: impossible", __func__); } aprint_naive("\n"); aprint_normal(": %s (rev. 0x%02x)\n", t->rtk_name, PCI_REVISION(pa->pa_class)); /* * Map control/status registers. * * The original FreeBSD's driver has the following comment: * * Default to using PIO access for this driver. On SMP systems, * there appear to be problems with memory mapped mode: * it looks like doing too many memory mapped access * back to back in rapid succession can hang the bus. * I'm inclined to blame this on crummy design/construction * on the part of Realtek. Memory mapped mode does appear to * work on uniprocessor systems though. * * On NetBSD, some port doesn't support PCI I/O space properly, * so we try to map both and prefer I/O space to mem space. */ ioh_valid = (pci_mapreg_map(pa, RTK_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); memh_valid = (pci_mapreg_map(pa, RTK_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0, &memt, &memh, NULL, NULL) == 0); if (ioh_valid) { sc->rtk_btag = iot; sc->rtk_bhandle = ioh; } else if (memh_valid) { sc->rtk_btag = memt; sc->rtk_bhandle = memh; } else { aprint_error_dev(self, "can't map registers\n"); return; } /* Allocate interrupt */ if (pci_intr_map(pa, &ih)) { aprint_error_dev(self, "couldn't map interrupt\n"); return; } intrstr = pci_intr_string(pc, ih); psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rtk_intr, sc); if (psc->sc_ih == NULL) { aprint_error_dev(self, "couldn't establish interrupt"); if (intrstr != NULL) aprint_normal(" at %s", intrstr); aprint_normal("\n"); return; } if (t->rtk_basetype == RTK_8129) sc->sc_quirk |= RTKQ_8129; aprint_normal_dev(self, "interrupting at %s\n", intrstr); sc->sc_dmat = pa->pa_dmat; sc->sc_flags |= RTK_ENABLED; if (!pmf_device_register(self, NULL, NULL)) aprint_error_dev(self, "couldn't establish power handler\n"); else pmf_class_network_register(self, &sc->ethercom.ec_if); rtk_attach(sc); }