/* $NetBSD: ralink_ohci.c,v 1.5 2018/04/09 16:21:10 jakllsch Exp $ */
/*-
* Copyright (c) 2011 CradlePoint Technology, Inc.
* All rights reserved.
*
*
* 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 CRADLEPOINT TECHNOLOGY, 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 AUTHOR 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.
*/
/* ralink_ohci.c -- Ralink OHCI USB Driver */
#include "ehci.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ralink_ohci.c,v 1.5 2018/04/09 16:21:10 jakllsch Exp $");
#include <sys/param.h>
#include <sys/bus.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/ohcireg.h>
#include <dev/usb/ohcivar.h>
#include <mips/ralink/ralink_var.h>
#include <mips/ralink/ralink_reg.h>
#include <mips/ralink/ralink_usbhcvar.h>
#define OREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (a))
#define OWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (a), (x))
struct ralink_ohci_softc {
struct ohci_softc sc_ohci;
#if NEHCI > 0
struct ralink_usb_hc sc_hc;
#endif
void *sc_ih;
};
static int ralink_ohci_match(device_t, cfdata_t, void *);
static void ralink_ohci_attach(device_t, device_t, void *);
static int ralink_ohci_detach(device_t, int);
CFATTACH_DECL2_NEW(ralink_ohci, sizeof(struct ralink_ohci_softc),
ralink_ohci_match, ralink_ohci_attach, ralink_ohci_detach,
ohci_activate, NULL, ohci_childdet);
/*
* ralink_ohci_match
*/
static int
ralink_ohci_match(device_t parent, cfdata_t cf, void *aux)
{
return 1;
}
/*
* ralink_ohci_attach
*/
static void
ralink_ohci_attach(device_t parent, device_t self, void *aux)
{
struct ralink_ohci_softc * const sc = device_private(self);
const struct mainbus_attach_args * const ma = aux;
int error;
#ifdef RALINK_OHCI_DEBUG
const char * const devname = device_xname(self);
#endif
aprint_naive(": OHCI USB controller\n");
aprint_normal(": OHCI USB controller\n");
sc->sc_ohci.sc_dev = self;
sc->sc_ohci.sc_bus.ub_hcpriv = sc;
sc->sc_ohci.iot = ma->ma_memt;
sc->sc_ohci.sc_bus.ub_dmatag = ma->ma_dmat;
/* Map I/O registers */
if ((error = bus_space_map(sc->sc_ohci.iot, RA_USB_OHCI_BASE,
RA_USB_BLOCK_SIZE, 0, &sc->sc_ohci.ioh)) != 0) {
aprint_error_dev(self, "can't map OHCI registers, "
"error=%d\n", error);
return;
}
sc->sc_ohci.sc_size = RA_USB_BLOCK_SIZE;
#ifdef RALINK_OHCI_DEBUG
printf("%s sc: %p ma: %p\n", devname, sc, ma);
printf("%s memt: %p dmat: %p\n", devname, ma->ma_memt, ma->ma_dmat);
printf("%s: OHCI HcRevision=0x%x\n", devname,
OREAD4(&sc->sc_ohci, OHCI_REVISION));
printf("%s: OHCI HcControl=0x%x\n", devname,
OREAD4(&sc->sc_ohci, OHCI_CONTROL));
printf("%s: OHCI HcCommandStatus=0x%x\n", devname,
OREAD4(&sc->sc_ohci, OHCI_COMMAND_STATUS));
printf("%s: OHCI HcInterruptStatus=0x%x\n", devname,
OREAD4(&sc->sc_ohci, OHCI_INTERRUPT_STATUS));
#endif
/* Disable OHCI interrupts. */
OWRITE4(&sc->sc_ohci, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
/* establish the MIPS level interrupt */
sc->sc_ih = ra_intr_establish(RA_IRQ_USB, ohci_intr, sc, 0);
if (sc->sc_ih == NULL) {
aprint_error_dev(self, "unable to establish irq %d\n",
RA_IRQ_USB);
goto fail_0;
}
/* Initialize OHCI */
error = ohci_init(&sc->sc_ohci);
if (error) {
aprint_error_dev(self, "init failed, error=%d\n", error);
goto fail_0;
}
#if NEHCI > 0
ralink_usb_hc_add(&sc->sc_hc, self);
#endif
if (!pmf_device_register1(self, ohci_suspend, ohci_resume,
ohci_shutdown))
aprint_error_dev(self, "couldn't establish power handler\n");
/* Attach usb device. */
sc->sc_ohci.sc_child = config_found(self, &sc->sc_ohci.sc_bus,
usbctlprint);
return;
fail_0:
bus_space_unmap(sc->sc_ohci.iot, sc->sc_ohci.ioh, sc->sc_ohci.sc_size);
sc->sc_ohci.sc_size = 0;
}
static int
ralink_ohci_detach(device_t self, int flags)
{
struct ralink_ohci_softc *sc = device_private(self);
int rv;
pmf_device_deregister(self);
rv = ohci_detach(&sc->sc_ohci, flags);
if (rv != 0)
return rv;
if (sc->sc_ih != NULL) {
ra_intr_disestablish(sc->sc_ih);
sc->sc_ih = NULL;
}
if (sc->sc_ohci.sc_size == 0) {
bus_space_unmap(sc->sc_ohci.iot, sc->sc_ohci.ioh,
sc->sc_ohci.sc_size);
sc->sc_ohci.sc_size = 0;
}
#if NEHCI > 0
ralink_usb_hc_rem(&sc->sc_hc);
#endif
return 0;
}