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/*
* QEMU USB EHCI Emulation
*
* 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 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 General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "hw/usb/hcd-ehci.h"
static const VMStateDescription vmstate_ehci_sysbus = {
.name = "ehci-sysbus",
.version_id = 2,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
VMSTATE_END_OF_LIST()
}
};
static Property ehci_sysbus_properties[] = {
DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
DEFINE_PROP_END_OF_LIST(),
};
static void usb_ehci_sysbus_realize(DeviceState *dev, Error **errp)
{
SysBusDevice *d = SYS_BUS_DEVICE(dev);
EHCISysBusState *i = SYS_BUS_EHCI(dev);
EHCIState *s = &i->ehci;
usb_ehci_realize(s, dev, errp);
sysbus_init_irq(d, &s->irq);
}
static void usb_ehci_sysbus_reset(DeviceState *dev)
{
SysBusDevice *d = SYS_BUS_DEVICE(dev);
EHCISysBusState *i = SYS_BUS_EHCI(d);
EHCIState *s = &i->ehci;
ehci_reset(s);
}
static void ehci_sysbus_init(Object *obj)
{
SysBusDevice *d = SYS_BUS_DEVICE(obj);
EHCISysBusState *i = SYS_BUS_EHCI(obj);
SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(obj);
EHCIState *s = &i->ehci;
s->capsbase = sec->capsbase;
s->opregbase = sec->opregbase;
s->portscbase = sec->portscbase;
s->portnr = sec->portnr;
s->as = &address_space_memory;
usb_ehci_init(s, DEVICE(obj));
sysbus_init_mmio(d, &s->mem);
}
static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);
sec->portscbase = 0x44;
sec->portnr = NB_PORTS;
dc->realize = usb_ehci_sysbus_realize;
dc->vmsd = &vmstate_ehci_sysbus;
dc->props = ehci_sysbus_properties;
dc->reset = usb_ehci_sysbus_reset;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
}
static const TypeInfo ehci_type_info = {
.name = TYPE_SYS_BUS_EHCI,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(EHCISysBusState),
.instance_init = ehci_sysbus_init,
.abstract = true,
.class_init = ehci_sysbus_class_init,
.class_size = sizeof(SysBusEHCIClass),
};
static void ehci_xlnx_class_init(ObjectClass *oc, void *data)
{
SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
DeviceClass *dc = DEVICE_CLASS(oc);
set_bit(DEVICE_CATEGORY_USB, dc->categories);
sec->capsbase = 0x100;
sec->opregbase = 0x140;
}
static const TypeInfo ehci_xlnx_type_info = {
.name = "xlnx,ps7-usb",
.parent = TYPE_SYS_BUS_EHCI,
.class_init = ehci_xlnx_class_init,
};
static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
{
SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
DeviceClass *dc = DEVICE_CLASS(oc);
sec->capsbase = 0x0;
sec->opregbase = 0x10;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
}
static const TypeInfo ehci_exynos4210_type_info = {
.name = TYPE_EXYNOS4210_EHCI,
.parent = TYPE_SYS_BUS_EHCI,
.class_init = ehci_exynos4210_class_init,
};
static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
{
SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
DeviceClass *dc = DEVICE_CLASS(oc);
sec->capsbase = 0x100;
sec->opregbase = 0x140;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
}
static const TypeInfo ehci_tegra2_type_info = {
.name = TYPE_TEGRA2_EHCI,
.parent = TYPE_SYS_BUS_EHCI,
.class_init = ehci_tegra2_class_init,
};
/*
* Faraday FUSBH200 USB 2.0 EHCI
*/
/**
* FUSBH200EHCIRegs:
* @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register
* @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register
*/
enum FUSBH200EHCIRegs {
FUSBH200_REG_EOF_ASTR = 0x34,
FUSBH200_REG_BMCSR = 0x40,
};
static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)
{
EHCIState *s = opaque;
hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;
switch (off) {
case FUSBH200_REG_EOF_ASTR:
return 0x00000041;
case FUSBH200_REG_BMCSR:
/* High-Speed, VBUS valid, interrupt level-high active */
return (2 << 9) | (1 << 8) | (1 << 3);
}
return 0;
}
static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
{
}
static const MemoryRegionOps fusbh200_ehci_mmio_ops = {
.read = fusbh200_ehci_read,
.write = fusbh200_ehci_write,
.valid.min_access_size = 4,
.valid.max_access_size = 4,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void fusbh200_ehci_init(Object *obj)
{
EHCISysBusState *i = SYS_BUS_EHCI(obj);
FUSBH200EHCIState *f = FUSBH200_EHCI(obj);
EHCIState *s = &i->ehci;
memory_region_init_io(&f->mem_vendor, OBJECT(f), &fusbh200_ehci_mmio_ops, s,
"fusbh200", 0x4c);
memory_region_add_subregion(&s->mem,
s->opregbase + s->portscbase + 4 * s->portnr,
&f->mem_vendor);
}
static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)
{
SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
DeviceClass *dc = DEVICE_CLASS(oc);
sec->capsbase = 0x0;
sec->opregbase = 0x10;
sec->portscbase = 0x20;
sec->portnr = 1;
set_bit(DEVICE_CATEGORY_USB, dc->categories);
}
static const TypeInfo ehci_fusbh200_type_info = {
.name = TYPE_FUSBH200_EHCI,
.parent = TYPE_SYS_BUS_EHCI,
.instance_size = sizeof(FUSBH200EHCIState),
.instance_init = fusbh200_ehci_init,
.class_init = fusbh200_ehci_class_init,
};
static void ehci_sysbus_register_types(void)
{
type_register_static(&ehci_type_info);
type_register_static(&ehci_xlnx_type_info);
type_register_static(&ehci_exynos4210_type_info);
type_register_static(&ehci_tegra2_type_info);
type_register_static(&ehci_fusbh200_type_info);
}
type_init(ehci_sysbus_register_types)
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