/* $OpenBSD: if_ral_pci.c,v 1.20 2010/08/04 19:48:33 damien Exp $ */ /*- * Copyright (c) 2005-2010 Damien Bergamini * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * PCI front-end for the Ralink RT2560/RT2561/RT2860/RT3090 driver. */ #include "bpfilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static struct ral_opns { int (*attach)(void *, int); int (*detach)(void *); void (*suspend)(void *); void (*resume)(void *); int (*intr)(void *); } ral_rt2560_opns = { rt2560_attach, rt2560_detach, rt2560_suspend, rt2560_resume, rt2560_intr }, ral_rt2661_opns = { rt2661_attach, rt2661_detach, rt2661_suspend, rt2661_resume, rt2661_intr }, ral_rt2860_opns = { rt2860_attach, rt2860_detach, rt2860_suspend, rt2860_resume, rt2860_intr }; struct ral_pci_softc { union { struct rt2560_softc sc_rt2560; struct rt2661_softc sc_rt2661; struct rt2860_softc sc_rt2860; } u; #define sc_sc u.sc_rt2560 /* PCI specific goo */ struct ral_opns *sc_opns; pci_chipset_tag_t sc_pc; void *sc_ih; bus_size_t sc_mapsize; struct workq_task sc_resume_wqt; }; /* Base Address Register */ #define RAL_PCI_BAR0 0x10 int ral_pci_match(struct device *, void *, void *); void ral_pci_attach(struct device *, struct device *, void *); int ral_pci_detach(struct device *, int); int ral_pci_activate(struct device *, int); void ral_pci_resume(void *, void *); struct cfattach ral_pci_ca = { sizeof (struct ral_pci_softc), ral_pci_match, ral_pci_attach, ral_pci_detach, ral_pci_activate }; const struct pci_matchid ral_pci_devices[] = { { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 } }; int ral_pci_match(struct device *parent, void *match, void *aux) { return (pci_matchbyid((struct pci_attach_args *)aux, ral_pci_devices, nitems(ral_pci_devices))); } void ral_pci_attach(struct device *parent, struct device *self, void *aux) { struct ral_pci_softc *psc = (struct ral_pci_softc *)self; struct rt2560_softc *sc = &psc->sc_sc; struct pci_attach_args *pa = aux; const char *intrstr; pci_intr_handle_t ih; pcireg_t memtype; int error; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { switch (PCI_PRODUCT(pa->pa_id)) { case PCI_PRODUCT_RALINK_RT2560: psc->sc_opns = &ral_rt2560_opns; break; case PCI_PRODUCT_RALINK_RT2561: case PCI_PRODUCT_RALINK_RT2561S: case PCI_PRODUCT_RALINK_RT2661: psc->sc_opns = &ral_rt2661_opns; break; default: psc->sc_opns = &ral_rt2860_opns; break; } } else { /* all other vendors are RT2860 only */ psc->sc_opns = &ral_rt2860_opns; } sc->sc_dmat = pa->pa_dmat; psc->sc_pc = pa->pa_pc; /* map control/status registers */ memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, &sc->sc_sh, NULL, &psc->sc_mapsize, 0); if (error != 0) { printf(": can't map mem space\n"); return; } if (pci_intr_map(pa, &ih) != 0) { printf(": can't map interrupt\n"); return; } intrstr = pci_intr_string(psc->sc_pc, ih); psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, psc->sc_opns->intr, sc, sc->sc_dev.dv_xname); if (psc->sc_ih == NULL) { printf(": can't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } printf(": %s", intrstr); (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); } int ral_pci_detach(struct device *self, int flags) { struct ral_pci_softc *psc = (struct ral_pci_softc *)self; struct rt2560_softc *sc = &psc->sc_sc; int error; if (psc->sc_ih != NULL) { pci_intr_disestablish(psc->sc_pc, psc->sc_ih); error = (*psc->sc_opns->detach)(sc); if (error != 0) return error; } if (psc->sc_mapsize > 0) bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); return 0; } int ral_pci_activate(struct device *self, int act) { struct ral_pci_softc *psc = (struct ral_pci_softc *)self; struct rt2560_softc *sc = &psc->sc_sc; switch (act) { case DVACT_SUSPEND: (*psc->sc_opns->suspend)(sc); break; case DVACT_RESUME: workq_queue_task(NULL, &psc->sc_resume_wqt, 0, ral_pci_resume, psc, NULL); break; } return 0; } void ral_pci_resume(void *arg1, void *arg2) { struct ral_pci_softc *psc = arg1; struct rt2560_softc *sc = &psc->sc_sc; int s; s = splnet(); (*psc->sc_opns->resume)(sc); splx(s); }