/* $NetBSD: ehci_cardbus.c,v 1.11 2005/02/27 00:26:59 perry 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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. */ #include __KERNEL_RCSID(0, "$NetBSD: ehci_cardbus.c,v 1.11 2005/02/27 00:26:59 perry Exp $"); #include #include #include #include #include #include #if defined pciinc #include #endif #include #include #include #include #include #include #include #include #include #ifdef EHCI_DEBUG #define DPRINTF(x) if (ehcidebug) printf x extern int ehcidebug; #else #define DPRINTF(x) #endif int ehci_cardbus_match(struct device *, struct cfdata *, void *); void ehci_cardbus_attach(struct device *, struct device *, void *); int ehci_cardbus_detach(device_ptr_t, int); struct ehci_cardbus_softc { ehci_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 */ }; CFATTACH_DECL(ehci_cardbus, sizeof(struct ehci_cardbus_softc), ehci_cardbus_match, ehci_cardbus_attach, ehci_cardbus_detach, ehci_activate); #define CARDBUS_INTERFACE_EHCI PCI_INTERFACE_EHCI #define CARDBUS_CBMEM PCI_CBMEM #define cardbus_findvendor pci_findvendor #define cardbus_devinfo pci_devinfo static TAILQ_HEAD(, usb_cardbus) ehci_cardbus_alldevs = TAILQ_HEAD_INITIALIZER(ehci_cardbus_alldevs); int ehci_cardbus_match(struct device *parent, struct cfdata *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_EHCI) return (1); return (0); } void ehci_cardbus_attach(struct device *parent, struct device *self, void *aux) { struct ehci_cardbus_softc *sc = (struct ehci_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; char devinfo[256]; usbd_status r; const char *vendor; u_int ncomp; const char *devname = sc->sc.sc_bus.bdev.dv_xname; struct usb_cardbus *up; cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); printf(": %s (rev. 0x%02x)\n", devinfo, CARDBUS_REVISION(ca->ca_class)); /* 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("%s: can't map mem space\n", devname); return; } sc->sc_cc = cc; sc->sc_cf = cf; sc->sc_ct = ct; sc->sc.sc_bus.dmatag = ca->ca_dmat; #if rbus #else XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40); #endif (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); /* Disable interrupts, so we don't get any spurious ones. */ sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH); DPRINTF(("%s: offs=%d\n", devname, sc->sc.sc_offs)); EOWRITE2(&sc->sc, EHCI_USBINTR, 0); sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_USB, ehci_intr, sc); if (sc->sc_ih == NULL) { printf("%s: couldn't establish interrupt\n", devname); return; } printf("%s: interrupting at %d\n", devname, 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)); /* * Find companion controllers. According to the spec they always * have lower function numbers so they should be enumerated already. */ ncomp = 0; TAILQ_FOREACH(up, &ehci_cardbus_alldevs, next) { if (up->bus == ca->ca_bus && up->device == ca->ca_device) { DPRINTF(("ehci_cardbus_attach: companion %s\n", USBDEVNAME(up->usb->bdev))); sc->sc.sc_comps[ncomp++] = up->usb; if (ncomp >= EHCI_COMPANION_MAX) break; } } sc->sc.sc_ncomp = ncomp; r = ehci_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 = NULL; return; } /* Attach usb device. */ sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, usbctlprint); } int ehci_cardbus_detach(device_ptr_t self, int flags) { struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self; struct cardbus_devfunc *ct = sc->sc_ct; int rv; rv = ehci_detach(&sc->sc, flags); if (rv) return (rv); 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); } void usb_cardbus_add(struct usb_cardbus *up, struct cardbus_attach_args *ca, struct usbd_bus *bu) { TAILQ_INSERT_TAIL(&ehci_cardbus_alldevs, up, next); up->bus = ca->ca_bus; up->device = ca->ca_device; up->function = ca->ca_function; up->usb = bu; } void usb_cardbus_rem(struct usb_cardbus *up) { TAILQ_REMOVE(&ehci_cardbus_alldevs, up, next); }