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/*
* QEMU USB OHCI Emulation
* Copyright (c) 2006 Openedhand Ltd.
* Copyright (c) 2010 CodeSourcery
* Copyright (c) 2024 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "hw/irq.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "qemu/timer.h"
#include "hw/usb.h"
#include "migration/vmstate.h"
#include "hw/sysbus.h"
#include "hw/qdev-dma.h"
#include "hw/qdev-properties.h"
#include "trace.h"
#include "hcd-ohci.h"
static void ohci_sysbus_realize(DeviceState *dev, Error **errp)
{
OHCISysBusState *s = SYSBUS_OHCI(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
Error *err = NULL;
usb_ohci_init(&s->ohci, dev, s->num_ports, s->dma_offset,
s->masterbus, s->firstport,
&address_space_memory, ohci_sysbus_die, &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_init_irq(sbd, &s->ohci.irq);
sysbus_init_mmio(sbd, &s->ohci.mem);
}
static void ohci_sysbus_reset(DeviceState *dev)
{
OHCISysBusState *s = SYSBUS_OHCI(dev);
OHCIState *ohci = &s->ohci;
ohci_hard_reset(ohci);
}
static const Property ohci_sysbus_properties[] = {
DEFINE_PROP_STRING("masterbus", OHCISysBusState, masterbus),
DEFINE_PROP_UINT32("num-ports", OHCISysBusState, num_ports, 3),
DEFINE_PROP_UINT32("firstport", OHCISysBusState, firstport, 0),
DEFINE_PROP_DMAADDR("dma-offset", OHCISysBusState, dma_offset, 0),
};
static void ohci_sysbus_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = ohci_sysbus_realize;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
dc->desc = "OHCI USB Controller";
device_class_set_props(dc, ohci_sysbus_properties);
device_class_set_legacy_reset(dc, ohci_sysbus_reset);
}
static const TypeInfo ohci_sysbus_types[] = {
{
.name = TYPE_SYSBUS_OHCI,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(OHCISysBusState),
.class_init = ohci_sysbus_class_init,
},
};
DEFINE_TYPES(ohci_sysbus_types);
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