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xhci: remote wakeup support

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-01-20 17:09:58 +01:00
parent b819d7169a
commit 8c735e431d
1 changed files with 21 additions and 0 deletions
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21
hw/usb-xhci.c
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@ -2698,6 +2698,26 @@ static void xhci_detach(USBPort *usbport)
xhci_update_port(xhci, port, 1);
}
static void xhci_wakeup(USBPort *usbport)
{
XHCIState *xhci = usbport->opaque;
XHCIPort *port = &xhci->ports[usbport->index];
int nr = port->port.index + 1;
XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, nr << 24};
uint32_t pls;
pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK;
if (pls != 3) {
return;
}
port->portsc |= 0xf << PORTSC_PLS_SHIFT;
if (port->portsc & PORTSC_PLC) {
return;
}
port->portsc |= PORTSC_PLC;
xhci_event(xhci, &ev);
}
static void xhci_complete(USBPort *port, USBPacket *packet)
{
XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
@ -2714,6 +2734,7 @@ static void xhci_child_detach(USBPort *port, USBDevice *child)
static USBPortOps xhci_port_ops = {
.attach = xhci_attach,
.detach = xhci_detach,
.wakeup = xhci_wakeup,
.complete = xhci_complete,
.child_detach = xhci_child_detach,
};