usb/ehci-pci: add helper to create ich9 usb controllers

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

diff --git a/hw/usb.h b/hw/usb.h
index 3a6cc8444ae5cfd675445ca331917e3201cab9c3..1837bf780f6ac36f5ba6ed9c10cb7c8d14da3c41 100644 (file)
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -524,5 +524,7 @@ const char *usb_device_get_product_desc(USBDevice *dev);
 
 const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
 
+int ehci_create_ich9_with_companions(PCIBus *bus, int slot);
+
 #endif
 

diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index 79bc276a44ea17a1ea931ac47f7d928f29c5babd..d5c7d462d09ad81bdb9305718761d379f8100287 100644 (file)
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -145,3 +145,56 @@ static void ehci_pci_register_types(void)
 }
 
 type_init(ehci_pci_register_types)
+
+struct ehci_companions {
+    const char *name;
+    int func;
+    int port;
+};
+
+static const struct ehci_companions ich9_1d[] = {
+    { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
+    { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
+    { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
+};
+
+static const struct ehci_companions ich9_1a[] = {
+    { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
+    { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
+    { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
+};
+
+int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
+{
+    const struct ehci_companions *comp;
+    PCIDevice *ehci, *uhci;
+    BusState *usbbus;
+    const char *name;
+    int i;
+
+    switch (slot) {
+    case 0x1d:
+        name = "ich9-usb-ehci1";
+        comp = ich9_1d;
+        break;
+    case 0x1a:
+        name = "ich9-usb-ehci2";
+        comp = ich9_1a;
+        break;
+    default:
+        return -1;
+    }
+
+    ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
+    qdev_init_nofail(&ehci->qdev);
+    usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
+
+    for (i = 0; i < 3; i++) {
+        uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
+                                        true, comp[i].name);
+        qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
+        qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
+        qdev_init_nofail(&uhci->qdev);
+    }
+    return 0;
+}