Basic USB device resume (root hub only), by Lonnie Mendez.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2449 c046a42c-6fe2-441c-8c8c-71466251a162
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@ -26,6 +26,8 @@
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//#define DEBUG
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//#define DEBUG_PACKET
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#define UHCI_CMD_FGR (1 << 4)
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#define UHCI_CMD_EGSM (1 << 3)
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#define UHCI_CMD_GRESET (1 << 2)
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#define UHCI_CMD_HCRESET (1 << 1)
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#define UHCI_CMD_RS (1 << 0)
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@ -327,6 +329,21 @@ static uint32_t uhci_ioport_readl(void *opaque, uint32_t addr)
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return val;
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}
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/* signal resume if controller suspended */
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static void uhci_resume (void *opaque)
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{
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UHCIState *s = (UHCIState *)opaque;
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if (!s)
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return;
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if (s->cmd & UHCI_CMD_EGSM) {
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s->cmd |= UHCI_CMD_FGR;
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s->status |= UHCI_STS_RD;
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uhci_update_irq(s);
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}
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}
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static void uhci_attach(USBPort *port1, USBDevice *dev)
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{
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UHCIState *s = port1->opaque;
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@ -344,6 +361,9 @@ static void uhci_attach(USBPort *port1, USBDevice *dev)
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port->ctrl |= UHCI_PORT_LSDA;
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else
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port->ctrl &= ~UHCI_PORT_LSDA;
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uhci_resume(s);
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port->port.dev = dev;
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/* send the attach message */
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usb_send_msg(dev, USB_MSG_ATTACH);
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@ -358,6 +378,9 @@ static void uhci_attach(USBPort *port1, USBDevice *dev)
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port->ctrl &= ~UHCI_PORT_EN;
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port->ctrl |= UHCI_PORT_ENC;
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}
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uhci_resume(s);
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dev = port->port.dev;
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if (dev) {
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/* send the detach message */
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