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-rw-r--r--hw/usb-uhci.c41
1 files changed, 36 insertions, 5 deletions
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c
index a46d61a2e..925c03bb0 100644
--- a/hw/usb-uhci.c
+++ b/hw/usb-uhci.c
@@ -132,7 +132,7 @@ typedef struct UHCIPort {
struct UHCIState {
PCIDevice dev;
- USBBus bus;
+ USBBus bus; /* Note unused when we're a companion controller */
uint16_t cmd; /* cmd register */
uint16_t status;
uint16_t intr; /* interrupt enable register */
@@ -150,6 +150,10 @@ struct UHCIState {
/* Active packets */
QTAILQ_HEAD(,UHCIAsync) async_pending;
uint8_t num_ports_vmstate;
+
+ /* Properties */
+ char *masterbus;
+ uint32_t firstport;
};
typedef struct UHCI_TD {
@@ -1126,10 +1130,22 @@ static int usb_uhci_common_initfn(PCIDevice *dev)
pci_conf[PCI_INTERRUPT_PIN] = 4; // interrupt pin 3
pci_conf[USB_SBRN] = USB_RELEASE_1; // release number
- usb_bus_new(&s->bus, &uhci_bus_ops, &s->dev.qdev);
- for(i = 0; i < NB_PORTS; i++) {
- usb_register_port(&s->bus, &s->ports[i].port, s, i, &uhci_port_ops,
- USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
+ if (s->masterbus) {
+ USBPort *ports[NB_PORTS];
+ for(i = 0; i < NB_PORTS; i++) {
+ ports[i] = &s->ports[i].port;
+ }
+ if (usb_register_companion(s->masterbus, ports, NB_PORTS,
+ s->firstport, s, &uhci_port_ops,
+ USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL) != 0) {
+ return -1;
+ }
+ } else {
+ usb_bus_new(&s->bus, &uhci_bus_ops, &s->dev.qdev);
+ for (i = 0; i < NB_PORTS; i++) {
+ usb_register_port(&s->bus, &s->ports[i].port, s, i, &uhci_port_ops,
+ USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
+ }
}
s->frame_timer = qemu_new_timer_ns(vm_clock, uhci_frame_timer, s);
s->num_ports_vmstate = NB_PORTS;
@@ -1170,6 +1186,11 @@ static PCIDeviceInfo uhci_info[] = {
.device_id = PCI_DEVICE_ID_INTEL_82371SB_2,
.revision = 0x01,
.class_id = PCI_CLASS_SERIAL_USB,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_STRING("masterbus", UHCIState, masterbus),
+ DEFINE_PROP_UINT32("firstport", UHCIState, firstport, 0),
+ DEFINE_PROP_END_OF_LIST(),
+ },
},{
.qdev.name = "piix4-usb-uhci",
.qdev.size = sizeof(UHCIState),
@@ -1179,6 +1200,11 @@ static PCIDeviceInfo uhci_info[] = {
.device_id = PCI_DEVICE_ID_INTEL_82371AB_2,
.revision = 0x01,
.class_id = PCI_CLASS_SERIAL_USB,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_STRING("masterbus", UHCIState, masterbus),
+ DEFINE_PROP_UINT32("firstport", UHCIState, firstport, 0),
+ DEFINE_PROP_END_OF_LIST(),
+ },
},{
.qdev.name = "vt82c686b-usb-uhci",
.qdev.size = sizeof(UHCIState),
@@ -1188,6 +1214,11 @@ static PCIDeviceInfo uhci_info[] = {
.device_id = PCI_DEVICE_ID_VIA_UHCI,
.revision = 0x01,
.class_id = PCI_CLASS_SERIAL_USB,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_STRING("masterbus", UHCIState, masterbus),
+ DEFINE_PROP_UINT32("firstport", UHCIState, firstport, 0),
+ DEFINE_PROP_END_OF_LIST(),
+ },
},{
/* end of list */
}