NetBSD/sys/dev/usb/ehci.c

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2000-12-24 09:42:34 +03:00
/* $NetBSD: ehci.c,v 1.2 2000/12/24 06:42:35 augustss Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net).
*
* 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.
*/
/*
* USB Enhanced Host Controller Driver.
*
2000-12-24 09:42:34 +03:00
* EHCI 0.95 spec can be found at
* http://developer.intel.com/technology/usb/download/ehci-r095.pdf
*
* This is just a stub.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/select.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <machine/endian.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/usb_quirks.h>
#include <dev/usb/ehcireg.h>
#include <dev/usb/ehcivar.h>
#ifdef EHCI_DEBUG
#define DPRINTF(x) if (ehcidebug) printf x
#define DPRINTFN(n,x) if (ehcidebug>(n)) printf x
int ehcidebug = 0;
#define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f))
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
usbd_status
ehci_init(ehci_softc_t *sc)
{
printf("EHCI not supported yet.\n");
return (USBD_IOERROR);
}
int
ehci_intr(void *v)
{
return (0);
}
int
ehci_detach(struct ehci_softc *sc, int flags)
{
int rv = 0;
if (sc->sc_child != NULL)
rv = config_detach(sc->sc_child, flags);
if (rv != 0)
return (rv);
if (sc->sc_powerhook != NULL)
powerhook_disestablish(sc->sc_powerhook);
if (sc->sc_shutdownhook != NULL)
shutdownhook_disestablish(sc->sc_shutdownhook);
/* XXX free other data structures XXX */
return (rv);
}
int
ehci_activate(device_ptr_t self, enum devact act)
{
struct ehci_softc *sc = (struct ehci_softc *)self;
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
break;
case DVACT_DEACTIVATE:
if (sc->sc_child != NULL)
rv = config_deactivate(sc->sc_child);
break;
}
return (rv);
}