/*- * Copyright (c) 2005, 2006 * 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. */ #include __FBSDID("$FreeBSD$"); /* * PCI/Cardbus front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver. */ #include #include #include #include #include #include #include #include #include #include #if defined(__DragonFly__) /* empty */ #else #include #include #endif #include #include #include #include #include #include #include #include #include #include #include #include MODULE_DEPEND(ral, pci, 1, 1, 1); MODULE_DEPEND(ral, firmware, 1, 1, 1); MODULE_DEPEND(ral, wlan, 1, 1, 1); MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1); static int ral_msi_disable; TUNABLE_INT("hw.ral.msi_disable", &ral_msi_disable); struct ral_pci_ident { uint16_t vendor; uint16_t device; const char *name; }; static const struct ral_pci_ident ral_pci_ids[] = { { 0x1432, 0x7708, "Edimax RT2860" }, { 0x1432, 0x7711, "Edimax RT3591" }, { 0x1432, 0x7722, "Edimax RT3591" }, { 0x1432, 0x7727, "Edimax RT2860" }, { 0x1432, 0x7728, "Edimax RT2860" }, { 0x1432, 0x7738, "Edimax RT2860" }, { 0x1432, 0x7748, "Edimax RT2860" }, { 0x1432, 0x7758, "Edimax RT2860" }, { 0x1432, 0x7768, "Edimax RT2860" }, { 0x1462, 0x891a, "MSI RT3090" }, { 0x1814, 0x0201, "Ralink Technology RT2560" }, { 0x1814, 0x0301, "Ralink Technology RT2561S" }, { 0x1814, 0x0302, "Ralink Technology RT2561" }, { 0x1814, 0x0401, "Ralink Technology RT2661" }, { 0x1814, 0x0601, "Ralink Technology RT2860" }, { 0x1814, 0x0681, "Ralink Technology RT2890" }, { 0x1814, 0x0701, "Ralink Technology RT2760" }, { 0x1814, 0x0781, "Ralink Technology RT2790" }, { 0x1814, 0x3060, "Ralink Technology RT3060" }, { 0x1814, 0x3062, "Ralink Technology RT3062" }, { 0x1814, 0x3090, "Ralink Technology RT3090" }, { 0x1814, 0x3091, "Ralink Technology RT3091" }, { 0x1814, 0x3092, "Ralink Technology RT3092" }, { 0x1814, 0x3390, "Ralink Technology RT3390" }, { 0x1814, 0x3562, "Ralink Technology RT3562" }, { 0x1814, 0x3592, "Ralink Technology RT3592" }, { 0x1814, 0x3593, "Ralink Technology RT3593" }, { 0x1814, 0x5360, "Ralink Technology RT5390" }, { 0x1814, 0x5362, "Ralink Technology RT5392" }, { 0x1814, 0x5390, "Ralink Technology RT5390" }, { 0x1814, 0x5392, "Ralink Technology RT5392" }, { 0x1814, 0x539a, "Ralink Technology RT5390" }, { 0x1814, 0x539f, "Ralink Technology RT5390" }, { 0x1a3b, 0x1059, "AWT RT2890" }, { 0, 0, NULL } }; static const struct ral_opns { int (*attach)(device_t, int); int (*detach)(void *); void (*shutdown)(void *); void (*suspend)(void *); void (*resume)(void *); void (*intr)(void *); } ral_rt2560_opns = { rt2560_attach, rt2560_detach, rt2560_stop, rt2560_stop, rt2560_resume, rt2560_intr }, ral_rt2661_opns = { rt2661_attach, rt2661_detach, rt2661_shutdown, rt2661_suspend, rt2661_resume, rt2661_intr }, ral_rt2860_opns = { rt2860_attach, rt2860_detach, rt2860_shutdown, 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; const struct ral_opns *sc_opns; struct resource *irq; struct resource *mem; void *sc_ih; int sc_irq_type; }; static int ral_pci_probe(device_t); static int ral_pci_attach(device_t); static int ral_pci_detach(device_t); static int ral_pci_shutdown(device_t); static int ral_pci_suspend(device_t); static int ral_pci_resume(device_t); static device_method_t ral_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ral_pci_probe), DEVMETHOD(device_attach, ral_pci_attach), DEVMETHOD(device_detach, ral_pci_detach), DEVMETHOD(device_shutdown, ral_pci_shutdown), DEVMETHOD(device_suspend, ral_pci_suspend), DEVMETHOD(device_resume, ral_pci_resume), DEVMETHOD_END }; static driver_t ral_pci_driver = { "ral", ral_pci_methods, sizeof (struct ral_pci_softc) }; static devclass_t ral_devclass; DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, NULL, NULL); static int ral_pci_probe(device_t dev) { const struct ral_pci_ident *ident; for (ident = ral_pci_ids; ident->name != NULL; ident++) { if (pci_get_vendor(dev) == ident->vendor && pci_get_device(dev) == ident->device) { device_set_desc(dev, ident->name); return (BUS_PROBE_DEFAULT); } } return ENXIO; } static int ral_pci_attach(device_t dev) { struct ral_pci_softc *psc = device_get_softc(dev); struct rt2560_softc *sc = &psc->u.sc_rt2560; #if defined(__DragonFly__) int error, rid; #else int count, error, rid; #endif #if defined(__DragonFly__) int irq_flags; #endif #if defined(__DragonFly__) /* still needed? XXX */ if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { device_printf(dev, "chip is in D%d power mode " "-- setting to D0\n", pci_get_powerstate(dev)); pci_set_powerstate(dev, PCI_POWERSTATE_D0); } #endif pci_enable_busmaster(dev); switch (pci_get_device(dev)) { case 0x0201: psc->sc_opns = &ral_rt2560_opns; break; case 0x0301: case 0x0302: case 0x0401: psc->sc_opns = &ral_rt2661_opns; break; default: psc->sc_opns = &ral_rt2860_opns; break; } rid = PCIR_BAR(0); psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (psc->mem == NULL) { device_printf(dev, "could not allocate memory resource\n"); return ENXIO; } sc->sc_st = rman_get_bustag(psc->mem); sc->sc_sh = rman_get_bushandle(psc->mem); sc->sc_invalid = 1; #if defined(__DragonFly__) psc->sc_irq_type = pci_alloc_1intr(dev, ~ral_msi_disable, &rid, &irq_flags); psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, irq_flags); #else rid = 0; if (ral_msi_disable == 0) { count = 1; if (pci_alloc_msi(dev, &count) == 0) rid = 1; } psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE)); #endif if (psc->irq == NULL) { device_printf(dev, "could not allocate interrupt resource\n"); pci_release_msi(dev); bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), psc->mem); return ENXIO; } error = (*psc->sc_opns->attach)(dev, pci_get_device(dev)); if (error != 0) { (void)ral_pci_detach(dev); return error; } /* * Hook our interrupt after all initialization is complete. */ #if defined(__DragonFly__) error = bus_setup_intr(dev, psc->irq, INTR_MPSAFE, psc->sc_opns->intr, psc, &psc->sc_ih, &wlan_global_serializer); #else error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE, NULL, psc->sc_opns->intr, psc, &psc->sc_ih); #endif if (error != 0) { device_printf(dev, "could not set up interrupt\n"); (void)ral_pci_detach(dev); return error; } sc->sc_invalid = 0; return 0; } static int ral_pci_detach(device_t dev) { struct ral_pci_softc *psc = device_get_softc(dev); struct rt2560_softc *sc = &psc->u.sc_rt2560; /* check if device was removed */ sc->sc_invalid = !bus_child_present(dev); if (psc->sc_ih != NULL) bus_teardown_intr(dev, psc->irq, psc->sc_ih); (*psc->sc_opns->detach)(psc); bus_generic_detach(dev); #if defined(__DragonFly__) if (psc->sc_irq_type == PCI_INTR_TYPE_MSI) pci_release_msi(dev); #endif bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(psc->irq), psc->irq); pci_release_msi(dev); bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(psc->mem), psc->mem); return 0; } static int ral_pci_shutdown(device_t dev) { struct ral_pci_softc *psc = device_get_softc(dev); (*psc->sc_opns->shutdown)(psc); return 0; } static int ral_pci_suspend(device_t dev) { struct ral_pci_softc *psc = device_get_softc(dev); (*psc->sc_opns->suspend)(psc); return 0; } static int ral_pci_resume(device_t dev) { struct ral_pci_softc *psc = device_get_softc(dev); (*psc->sc_opns->resume)(psc); return 0; }