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qemu/hw/usb/vt82c686-uhci-pci.c

59 lines
1.6 KiB
C

#include "qemu/osdep.h"
#include "hw/irq.h"
#include "hw/isa/vt82c686.h"
#include "hcd-uhci.h"
static void uhci_isa_set_irq(void *opaque, int irq_num, int level)
{
UHCIState *s = opaque;
uint8_t irq = pci_get_byte(s->dev.config + PCI_INTERRUPT_LINE);
if (irq > 0 && irq < 15) {
via_isa_set_irq(pci_get_function_0(&s->dev), irq, level);
}
}
static void usb_uhci_vt82c686b_realize(PCIDevice *dev, Error **errp)
{
UHCIState *s = UHCI(dev);
uint8_t *pci_conf = s->dev.config;
/* USB misc control 1/2 */
pci_set_long(pci_conf + 0x40, 0x00001000);
/* PM capability */
pci_set_long(pci_conf + 0x80, 0x00020001);
/* USB legacy support */
pci_set_long(pci_conf + 0xc0, 0x00002000);
usb_uhci_common_realize(dev, errp);
object_unref(s->irq);
s->irq = qemu_allocate_irq(uhci_isa_set_irq, s, 0);
}
static UHCIInfo uhci_info[] = {
{
.name = TYPE_VT82C686B_USB_UHCI,
.vendor_id = PCI_VENDOR_ID_VIA,
.device_id = PCI_DEVICE_ID_VIA_UHCI,
.revision = 0x01,
.irq_pin = 3,
.realize = usb_uhci_vt82c686b_realize,
.unplug = true,
/* Reason: only works as USB function of VT82xx superio chips */
.notuser = true,
}
};
static const TypeInfo vt82c686b_usb_uhci_type_info = {
.parent = TYPE_UHCI,
.name = TYPE_VT82C686B_USB_UHCI,
.class_init = uhci_data_class_init,
.class_data = uhci_info,
};
static void vt82c686b_usb_uhci_register_types(void)
{
type_register_static(&vt82c686b_usb_uhci_type_info);
}
type_init(vt82c686b_usb_uhci_register_types)