/* $NetBSD: uhci_cardbus.c,v 1.24 2016/07/14 04:00:45 msaitoh Exp $ */ /* * Copyright (c) 1998-2005 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. */ #include __KERNEL_RCSID(0, "$NetBSD: uhci_cardbus.c,v 1.24 2016/07/14 04:00:45 msaitoh Exp $"); #include "ehci_cardbus.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct uhci_cardbus_softc { uhci_softc_t sc; #if NEHCI_CARDBUS > 0 struct usb_cardbus sc_cardbus; #endif cardbus_chipset_tag_t sc_cc; cardbus_function_tag_t sc_cf; cardbus_devfunc_t sc_ct; pcitag_t sc_tag; void *sc_ih; /* interrupt vectoring */ }; static int uhci_cardbus_match(device_t, cfdata_t, void *); static void uhci_cardbus_attach(device_t, device_t, void *); static int uhci_cardbus_detach(device_t, int); CFATTACH_DECL_NEW(uhci_cardbus, sizeof(struct uhci_cardbus_softc), uhci_cardbus_match, uhci_cardbus_attach, uhci_cardbus_detach, uhci_activate); static int uhci_cardbus_match(device_t parent, cfdata_t match, void *aux) { struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS && PCI_SUBCLASS(ca->ca_class) == PCI_SUBCLASS_SERIALBUS_USB && PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_UHCI) return 1; return 0; } static void uhci_cardbus_attach(device_t parent, device_t self, void *aux) { struct uhci_cardbus_softc *sc = device_private(self); struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; cardbus_devfunc_t ct = ca->ca_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; pcitag_t tag = ca->ca_tag; pcireg_t csr; const char *devname = device_xname(self); char devinfo[256]; sc->sc.sc_dev = self; sc->sc.sc_bus.ub_hcpriv = sc; pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(ca->ca_class)); /* Map I/O registers */ if (Cardbus_mapreg_map(ct, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { aprint_error("%s: can't map i/o space\n", devname); return; } sc->sc_cc = cc; sc->sc_cf = cf; sc->sc_ct = ct; sc->sc_tag = tag; sc->sc.sc_bus.ub_dmatag = ca->ca_dmat; /* Enable the device. */ csr = Cardbus_conf_read(ct, tag, PCI_COMMAND_STATUS_REG); Cardbus_conf_write(ct, tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_IO_ENABLE); /* Disable interrupts, so we don't get any spurious ones. */ bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0); /* Map and establish the interrupt. */ sc->sc_ih = Cardbus_intr_establish(ct, IPL_USB, uhci_intr, sc); if (sc->sc_ih == NULL) { aprint_error("%s: couldn't establish interrupt\n", devname); return; } /* Set LEGSUP register to its default value. */ Cardbus_conf_write(ct, tag, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN); switch(Cardbus_conf_read(ct, tag, PCI_USBREV) & PCI_USBREV_MASK) { case PCI_USBREV_PRE_1_0: sc->sc.sc_bus.ub_revision = USBREV_PRE_1_0; break; case PCI_USBREV_1_0: sc->sc.sc_bus.ub_revision = USBREV_1_0; break; case PCI_USBREV_1_1: sc->sc.sc_bus.ub_revision = USBREV_1_1; break; default: sc->sc.sc_bus.ub_revision = USBREV_UNKNOWN; break; } /* Figure out vendor for root hub descriptor. */ sc->sc.sc_id_vendor = PCI_VENDOR(ca->ca_id); pci_findvendor(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor), sc->sc.sc_id_vendor); int err = uhci_init(&sc->sc); if (err) { aprint_error("%s: init failed, error=%d\n", devname, err); /* Avoid spurious interrupts. */ Cardbus_intr_disestablish(ct, sc->sc_ih); sc->sc_ih = NULL; return; } #if NEHCI_CARDBUS > 0 usb_cardbus_add(&sc->sc_cardbus, ca, self); #endif /* Attach usb device. */ sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint); } static int uhci_cardbus_detach(device_t self, int flags) { struct uhci_cardbus_softc *sc = device_private(self); struct cardbus_devfunc *ct = sc->sc_ct; int rv; rv = uhci_detach(&sc->sc, flags); if (rv) return rv; if (sc->sc_ih != NULL) { Cardbus_intr_disestablish(ct, sc->sc_ih); sc->sc_ih = NULL; } if (sc->sc.sc_size) { Cardbus_mapreg_unmap(ct, PCI_CBIO, sc->sc.iot, sc->sc.ioh, sc->sc.sc_size); sc->sc.sc_size = 0; } #if NEHCI_CARDBUS > 0 usb_cardbus_rem(&sc->sc_cardbus); #endif return 0; }