/* $OpenBSD: ohci_cardbus.c,v 1.11 2008/06/26 05:42:14 ray Exp $ */ /* $NetBSD: ohci_cardbus.c,v 1.19 2004/08/02 19:14:28 mycroft Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION OR CONTRIBUTORS * 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. */ /* * USB Open Host Controller driver. * * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include int ohci_cardbus_match(struct device *, void *, void *); void ohci_cardbus_attach(struct device *, struct device *, void *); int ohci_cardbus_detach(struct device *, int); struct ohci_cardbus_softc { ohci_softc_t sc; cardbus_chipset_tag_t sc_cc; cardbus_function_tag_t sc_cf; cardbus_devfunc_t sc_ct; void *sc_ih; /* interrupt vectoring */ }; struct cfattach ohci_cardbus_ca = { sizeof(struct ohci_cardbus_softc), ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate }; #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI #define CARDBUS_CBMEM PCI_CBMEM #define cardbus_findvendor pci_findvendor int ohci_cardbus_match(struct device *parent, void *match, void *aux) { struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) return (1); return (0); } void ohci_cardbus_attach(struct device *parent, struct device *self, void *aux) { struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; struct cardbus_attach_args *ca = aux; cardbus_devfunc_t ct = ca->ca_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; cardbusreg_t csr; usbd_status r; const char *vendor; const char *devname = sc->sc.sc_bus.bdev.dv_xname; /* Map I/O registers */ if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { printf(": can't map mem space\n", devname); return; } /* Disable interrupts, so we don't get any spurious ones. */ bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, OHCI_MIE); sc->sc_cc = cc; sc->sc_cf = cf; sc->sc_ct = ct; sc->sc.sc_bus.dmatag = ca->ca_dmat; (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); /* Enable the device. */ csr = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG); cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, csr | CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE); sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_USB, ohci_intr, sc, devname); if (sc->sc_ih == NULL) { printf(": couldn't establish interrupt\n", devname); return; } printf(": irq %d", ca->ca_intrline); /* Figure out vendor for root hub descriptor. */ vendor = cardbus_findvendor(ca->ca_id); sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); if (vendor) strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor)); else snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor), "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id)); /* Display revision and perform legacy emulation handover. */ if (ohci_checkrev(&sc->sc) != USBD_NORMAL_COMPLETION || ohci_handover(&sc->sc) != USBD_NORMAL_COMPLETION) { cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); sc->sc_ih = 0; return; } r = ohci_init(&sc->sc); if (r != USBD_NORMAL_COMPLETION) { printf("%s: init failed, error=%d\n", devname, r); /* Avoid spurious interrupts. */ cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); sc->sc_ih = 0; return; } sc->sc.sc_powerhook = powerhook_establish(ohci_power, &sc->sc); /* Attach usb device. */ sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, usbctlprint); } int ohci_cardbus_detach(struct device *self, int flags) { struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; struct cardbus_devfunc *ct = sc->sc_ct; int rv; rv = ohci_detach(&sc->sc, flags); if (rv) return (rv); if (sc->sc.sc_powerhook != NULL) powerhook_disestablish(sc->sc.sc_powerhook); if (sc->sc_ih != NULL) { cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); sc->sc_ih = NULL; } if (sc->sc.sc_size) { Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot, sc->sc.ioh, sc->sc.sc_size); sc->sc.sc_size = 0; } return (0); }