PCI_PTM_CTRL
pci_read_config_dword(dev, ptm + PCI_PTM_CTRL, cap);
pci_write_config_dword(dev, ptm + PCI_PTM_CTRL, *cap);
pci_read_config_dword(dev, ptm + PCI_PTM_CTRL, &ctrl);
pci_write_config_dword(dev, ptm + PCI_PTM_CTRL, ctrl);
pci_read_config_dword(dev, ptm + PCI_PTM_CTRL, &ctrl);
pci_write_config_dword(dev, ptm + PCI_PTM_CTRL, ctrl);