qemu-e2k/hw/usb/vt82c686-uhci-pci.c
BALATON Zoltan ece29df33b usb/uhci: Disallow user creating a vt82c686-uhci-pci device
Because this device only works as part of VIA superio chips set user
creatable to false. Since the class init method is common for UHCI
variants introduce a flag in UHCIInfo for this.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <e6abf1f19ca72bbc2d8a5a6aa941edbf87a9845f.1635161629.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-11-02 14:32:32 +01:00

46 lines
1.2 KiB
C

#include "qemu/osdep.h"
#include "hcd-uhci.h"
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);
}
static UHCIInfo uhci_info[] = {
{
.name = "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 = "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)