Add USB OHCI attachment to cardbus.
XXX There seems to be some interrupt problem.
This commit is contained in:
augustss
parent
1d19b4dd3d
commit
38a146ce0f
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@ -1,4 +1,4 @@
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# $NetBSD: files.cardbus,v 1.2 1999/10/15 06:42:22 haya Exp $
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# $NetBSD: files.cardbus,v 1.3 1999/10/15 11:52:45 augustss Exp $
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#
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#
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# files.cardbus
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# files.cardbus
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#
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#
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@ -31,3 +31,9 @@ file dev/cardbus/if_ex_cardbus.c ex_cardbus
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#attach com at cardbus with com_cardbus
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#attach com at cardbus with com_cardbus
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#file dev/cardbus/com_cardbus.c com_cardbus
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#file dev/cardbus/com_cardbus.c com_cardbus
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#
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# OHCI USB controller
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#
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attach ohci at cardbus with ohci_cardbus
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file dev/cardbus/ohci_cardbus.c ohci_cardbus
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@ -0,0 +1,216 @@
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/* $NetBSD: ohci_cardbus.c,v 1.1 1999/10/15 11:52:45 augustss Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (augustss@carlstedt.se) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* USB Open Host Controller driver.
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*
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* OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
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* USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <machine/bus.h>
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#if defined pciinc
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#include <dev/pci/pcidevs.h>
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#endif
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#if pccard
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#include <dev/pccard/cardbusvar.h>
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#include <dev/pccard/pccardcis.h>
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#else
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#include <dev/cardbus/cardbusvar.h>
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#include <dev/cardbus/cardbusdevs.h>
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#endif
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dev/usb/ohcireg.h>
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#include <dev/usb/ohcivar.h>
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int ohci_cardbus_match __P((struct device *, struct cfdata *, void *));
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void ohci_cardbus_attach __P((struct device *, struct device *, void *));
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int ohci_cardbus_detach __P((device_ptr_t, int));
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struct ohci_cardbus_softc {
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ohci_softc_t sc;
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cardbus_chipset_tag_t sc_cc;
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cardbus_function_tag_t sc_cf;
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bus_size_t sc_size;
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void *sc_ih; /* interrupt vectoring */
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};
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struct cfattach ohci_cardbus_ca = {
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sizeof(struct ohci_cardbus_softc), ohci_cardbus_match,
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ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate
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};
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#define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
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#define CARDBUS_CBMEM PCI_CBMEM
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#define cardbus_findvendor pci_findvendor
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#define cardbus_devinfo pci_devinfo
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int
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ohci_cardbus_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct cardbus_attach_args *ca = (struct cardbus_attach_args *) aux;
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if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
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CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB &&
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CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
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return (1);
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return (0);
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}
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void
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ohci_cardbus_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
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struct cardbus_attach_args *ca = aux;
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cardbus_devfunc_t ct = ca->ca_ct;
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cardbus_chipset_tag_t cc = ct->ct_cc;
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cardbus_function_tag_t cf = ct->ct_cf;
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cardbusreg_t csr;
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char devinfo[256];
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usbd_status r;
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char *vendor;
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char *devname = sc->sc.sc_bus.bdev.dv_xname;
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cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
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printf(": %s (rev. 0x%02x)\n", devinfo,
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CARDBUS_REVISION(ca->ca_class));
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/* Map I/O registers */
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if (cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
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&sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc_size)) {
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printf("%s: can't map mem space\n", devname);
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return;
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}
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/* Disable interrupts, so we don't can any spurious ones. */
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bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
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OHCI_ALL_INTRS);
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sc->sc_cc = cc;
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sc->sc_cf = cf;
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sc->sc.sc_bus.dmatag = ca->ca_dmat;
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#if rbus
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#else
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XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
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#endif
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(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
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/* Enable the device. */
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csr = cardbus_conf_read(cc, cf, ca->ca_tag,
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CARDBUS_COMMAND_STATUS_REG);
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cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
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csr | CARDBUS_COMMAND_MASTER_ENABLE
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| CARDBUS_COMMAND_MEM_ENABLE);
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sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
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IPL_USB, ohci_intr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n", devname);
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return;
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}
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printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
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/* Figure out vendor for root hub descriptor. */
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vendor = cardbus_findvendor(ca->ca_id);
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sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id);
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if (vendor)
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strncpy(sc->sc.sc_vendor, vendor,
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sizeof(sc->sc.sc_vendor) - 1);
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else
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sprintf(sc->sc.sc_vendor, "vendor 0x%04x",
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CARDBUS_VENDOR(ca->ca_id));
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r = ohci_init(&sc->sc);
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if (r != USBD_NORMAL_COMPLETION) {
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printf("%s: init failed, error=%d\n", devname, r);
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/* Avoid spurious interrupts. */
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cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
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sc->sc_ih = 0;
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return;
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}
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/* Attach usb device. */
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sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
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usbctlprint);
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}
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int
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ohci_cardbus_detach(self, flags)
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device_ptr_t self;
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int flags;
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{
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struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
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int rv;
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rv = ohci_detach(&sc->sc, flags);
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if (rv)
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return (rv);
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if (sc->sc_ih) {
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cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
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sc->sc_ih = 0;
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}
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if (sc->sc_size) {
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bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc_size);
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sc->sc_size = 0;
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}
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return (0);
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}
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