/* $OpenBSD: if_dc_cardbus.c,v 1.24 2007/05/08 00:04:47 deraadt Exp $ */ #include <sys/param.h> #include <sys/systm.h> #include <sys/mbuf.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <sys/errno.h> #include <sys/malloc.h> #include <sys/kernel.h> #include <sys/proc.h> #include <sys/device.h> #include <net/if.h> #include <net/if_dl.h> #include <net/if_types.h> #include <net/if_media.h> #include <netinet/in.h> #include <netinet/if_ether.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include <machine/bus.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcidevs.h> #include <dev/cardbus/cardbusvar.h> #include <dev/ic/dcreg.h> /* PCI configuration regs */ #define PCI_CBIO 0x10 #define PCI_CBMEM 0x14 #define PCI_CFDA 0x40 #define DC_CFDA_SUSPEND 0x80000000 #define DC_CFDA_STANDBY 0x40000000 struct dc_cardbus_softc { struct dc_softc sc_dc; int sc_intrline; cardbus_devfunc_t sc_ct; cardbustag_t sc_tag; bus_size_t sc_mapsize; int sc_actype; }; int dc_cardbus_match(struct device *, void *, void *); void dc_cardbus_attach(struct device *, struct device *,void *); int dc_cardbus_detach(struct device *, int); void dc_cardbus_setup(struct dc_cardbus_softc *csc); struct cfattach dc_cardbus_ca = { sizeof(struct dc_cardbus_softc), dc_cardbus_match, dc_cardbus_attach, dc_cardbus_detach }; const struct cardbus_matchid dc_cardbus_devices[] = { { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142 }, { PCI_VENDOR_XIRCOM, PCI_PRODUCT_XIRCOM_X3201_3_21143 }, { PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN985 }, { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN2242 }, { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500 }, { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500MX }, { PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_PCM200 }, { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DRP32TXD }, { PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCMPC200 }, { PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCM200 }, { PCI_VENDOR_HAWKING, PCI_PRODUCT_HAWKING_PN672TX }, { PCI_VENDOR_MICROSOFT, PCI_PRODUCT_MICROSOFT_MN120 }, }; int dc_cardbus_match(parent, match, aux) struct device *parent; void *match, *aux; { return (cardbus_matchbyid((struct cardbus_attach_args *)aux, dc_cardbus_devices, sizeof(dc_cardbus_devices)/sizeof(dc_cardbus_devices[0]))); } void dc_cardbus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct dc_cardbus_softc *csc = (struct dc_cardbus_softc *)self; struct dc_softc *sc = &csc->sc_dc; struct cardbus_attach_args *ca = aux; struct cardbus_devfunc *ct = ca->ca_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; cardbusreg_t reg; bus_addr_t addr; sc->sc_dmat = ca->ca_dmat; csc->sc_ct = ct; csc->sc_tag = ca->ca_tag; Cardbus_function_enable(ct); if (Cardbus_mapreg_map(ct, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->dc_btag, &sc->dc_bhandle, &addr, &csc->sc_mapsize) == 0) { csc->sc_actype = CARDBUS_IO_ENABLE; } else if (Cardbus_mapreg_map(ct, PCI_CBMEM, PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->dc_btag, &sc->dc_bhandle, &addr, &csc->sc_mapsize) == 0) { csc->sc_actype = CARDBUS_MEM_ENABLE; } else { printf(": can\'t map device registers\n"); return; } csc->sc_intrline = ca->ca_intrline; sc->dc_cachesize = cardbus_conf_read(cc, cf, ca->ca_tag, DC_PCI_CFLT) & 0xFF; dc_cardbus_setup(csc); /* Get the eeprom width, but XIRCOM has no eeprom */ if (!(PCI_VENDOR(ca->ca_id) == PCI_VENDOR_XIRCOM && PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_XIRCOM_X3201_3_21143)) dc_eeprom_width(sc); switch (PCI_VENDOR(ca->ca_id)) { case PCI_VENDOR_DEC: if (PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_DEC_21142) { sc->dc_type = DC_TYPE_21143; sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR; sc->dc_flags |= DC_REDUCED_MII_POLL; dc_read_srom(sc, sc->dc_romwidth); dc_parse_21143_srom(sc); } break; case PCI_VENDOR_XIRCOM: if (PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_XIRCOM_X3201_3_21143) { sc->dc_type = DC_TYPE_XIRCOM; sc->dc_flags |= DC_TX_INTR_ALWAYS|DC_TX_COALESCE | DC_TX_ALIGN; sc->dc_pmode = DC_PMODE_MII; bcopy(ca->ca_cis.funce.network.netid, &sc->sc_arpcom.ac_enaddr, sizeof sc->sc_arpcom.ac_enaddr); } break; case PCI_VENDOR_ADMTEK: case PCI_VENDOR_ACCTON: case PCI_VENDOR_ABOCOM: case PCI_VENDOR_DLINK: case PCI_VENDOR_LINKSYS: case PCI_VENDOR_HAWKING: case PCI_VENDOR_MICROSOFT: if (PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADMTEK_AN985 || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ACCTON_EN2242 || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ABOCOM_FE2500 || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ABOCOM_FE2500MX || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ABOCOM_PCM200 || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_DLINK_DRP32TXD || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_LINKSYS_PCMPC200 || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_LINKSYS_PCM200 || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_HAWKING_PN672TX || PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_MICROSOFT_MN120) { sc->dc_type = DC_TYPE_AN983; sc->dc_flags |= DC_TX_USE_TX_INTR|DC_TX_ADMTEK_WAR | DC_64BIT_HASH; sc->dc_pmode = DC_PMODE_MII; /* Don't read SROM for - auto-loaded on reset */ } break; default: printf(": unknown device\n"); return; } /* * set latency timer, do we really need this? */ reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG); if (PCI_LATTIMER(reg) < 0x20) { reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); reg |= (0x20 << PCI_LATTIMER_SHIFT); cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg); } sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_NET, dc_intr, csc, sc->sc_dev.dv_xname); if (sc->sc_ih == NULL) { printf(": can't establish interrupt at %d\n", ca->ca_intrline); return; } else printf(" irq %d", ca->ca_intrline); dc_reset(sc); sc->dc_revision = PCI_REVISION(ca->ca_class); dc_attach(sc); } int dc_detach(sc) struct dc_softc *sc; { struct ifnet *ifp = &sc->sc_arpcom.ac_if; if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); if (sc->dc_srom) free(sc->dc_srom, M_DEVBUF); timeout_del(&sc->dc_tick_tmo); ether_ifdetach(ifp); if_detach(ifp); if (sc->sc_dhook != NULL) shutdownhook_disestablish(sc->sc_dhook); if (sc->sc_pwrhook != NULL) powerhook_disestablish(sc->sc_pwrhook); return (0); } int dc_cardbus_detach(self, flags) struct device *self; int flags; { struct dc_cardbus_softc *csc = (struct dc_cardbus_softc *)self; struct dc_softc *sc = &csc->sc_dc; struct cardbus_devfunc *ct = csc->sc_ct; int rv = 0; rv = dc_detach(sc); if (rv) return (rv); cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); /* unmap cardbus resources */ Cardbus_mapreg_unmap(ct, csc->sc_actype == CARDBUS_IO_ENABLE ? PCI_CBIO : PCI_CBMEM, sc->dc_btag, sc->dc_bhandle, csc->sc_mapsize); return (rv); } void dc_cardbus_setup(csc) struct dc_cardbus_softc *csc; { cardbus_devfunc_t ct = csc->sc_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; cardbusreg_t reg; int r; /* wakeup the card if needed */ reg = cardbus_conf_read(cc, cf, csc->sc_tag, PCI_CFDA); if (reg | (DC_CFDA_SUSPEND|DC_CFDA_STANDBY)) { cardbus_conf_write(cc, cf, csc->sc_tag, PCI_CFDA, reg & ~(DC_CFDA_SUSPEND|DC_CFDA_STANDBY)); } if (cardbus_get_capability(cc, cf, csc->sc_tag, PCI_CAP_PWRMGMT, &r, 0)) { r = cardbus_conf_read(cc, cf, csc->sc_tag, r + 4) & 3; if (r) { printf("%s: awakening from state D%d\n", csc->sc_dc.sc_dev.dv_xname, r); cardbus_conf_write(cc, cf, csc->sc_tag, r + 4, 0); } } (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_actype); (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); reg = cardbus_conf_read(cc, cf, csc->sc_tag, PCI_COMMAND_STATUS_REG); reg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE; cardbus_conf_write(cc, cf, csc->sc_tag, PCI_COMMAND_STATUS_REG, reg); reg = cardbus_conf_read(cc, cf, csc->sc_tag, PCI_COMMAND_STATUS_REG); }