*     - 10x cards have control registers in IO and/or memory space;
  *     - 20x cards have control registers in standard PCI configuration space.
  *
+ * Note: all 10x cards have PCI device ids 0x10..
+ *       all 20x cards have PCI device ids 0x20..
+ *
  * There are also Quartet Serial cards which use Oxford Semiconductor
  * 16954 quad UART PCI chip clocked by 18.432 MHz quartz.
  *
        return 0;
 }
 
+static int pci_siig_init(struct pci_dev *dev)
+{
+       unsigned int type = dev->device & 0xff00;
+
+       if (type == 0x1000)
+               return pci_siig10x_init(dev);
+       else if (type == 0x2000)
+               return pci_siig20x_init(dev);
+
+       moan_device("Unknown SIIG card", dev);
+       return -ENODEV;
+}
+
 int pci_siig10x_fn(struct pci_dev *dev, int enable)
 {
        int ret = 0;
                .setup          = sbs_setup,
                .exit           = __devexit_p(sbs_exit),
        },
-
        /*
         * SIIG cards.
-        *  It is not clear whether these could be collapsed.
         */
        {
                .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_1S_10x_550,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_1S_10x_650,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_1S_10x_850,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_2S_10x_550,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_2S_10x_650,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_2S_10x_850,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_4S_10x_550,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_4S_10x_650,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_4S_10x_850,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig10x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_1S_20x_550,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_1S_20x_650,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_1S_20x_850,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_2S_20x_550,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {       .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_2S_20x_650,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_2S_20x_850,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_4S_20x_550,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_4S_20x_650,
-               .subvendor      = PCI_ANY_ID,
-               .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
-               .setup          = pci_default_setup,
-       },
-       {
-               .vendor         = PCI_VENDOR_ID_SIIG,
-               .device         = PCI_DEVICE_ID_SIIG_4S_20x_850,
+               .device         = PCI_ANY_ID,
                .subvendor      = PCI_ANY_ID,
                .subdevice      = PCI_ANY_ID,
-               .init           = pci_siig20x_init,
+               .init           = pci_siig_init,
                .setup          = pci_default_setup,
        },
        /*