src/soc/intel/common/block/xdci/xdci.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/device.h>
   4 #include <device/pci.h>
   5 #include <device/pci_ids.h>
   6 #include <intelblocks/xdci.h>
   7 #include <security/vboot/vboot_common.h>
   8 #include <stdbool.h>
   9
  10 __weak void soc_xdci_init(struct device *dev) { /* no-op */ }
  11
  12 bool xdci_can_enable(unsigned int xdci_devfn)
  13 {
  14         /* Enable xDCI controller if enabled in devicetree and allowed */
  15         if (!vboot_can_enable_udc()) {
  16                 devfn_disable(pci_root_bus(), xdci_devfn);
  17                 return false;
  18         }
  19         return is_devfn_enabled(xdci_devfn);
  20 }
  21
  22 struct device_operations usb_xdci_ops = {
  23         .read_resources         = pci_dev_read_resources,
  24         .set_resources          = pci_dev_set_resources,
  25         .enable_resources       = pci_dev_enable_resources,
  26         .init                   = soc_xdci_init,
  27         .ops_pci                = &pci_dev_ops_pci,
  28 };
  29
  30 static const unsigned short pci_device_ids[] = {
  31         PCI_DID_INTEL_MTL_XDCI,
  32         PCI_DID_INTEL_APL_XDCI,
  33         PCI_DID_INTEL_CNL_LP_XDCI,
  34         PCI_DID_INTEL_GLK_XDCI,
  35         PCI_DID_INTEL_CNP_H_XDCI,
  36         PCI_DID_INTEL_ICP_LP_XDCI,
  37         PCI_DID_INTEL_CMP_LP_XDCI,
  38         PCI_DID_INTEL_CMP_H_XDCI,
  39         PCI_DID_INTEL_TGP_LP_XDCI,
  40         PCI_DID_INTEL_TGP_H_XDCI,
  41         PCI_DID_INTEL_MCC_XDCI,
  42         PCI_DID_INTEL_JSP_XDCI,
  43         PCI_DID_INTEL_ADP_P_XDCI,
  44         PCI_DID_INTEL_ADP_S_XDCI,
  45         PCI_DID_INTEL_ADP_M_XDCI,
  46         PCI_DID_INTEL_RPP_S_XDCI,
  47         0
  48 };
  49
  50 static const struct pci_driver pch_usb_xdci __pci_driver = {
  51         .ops     = &usb_xdci_ops,
  52         .vendor  = PCI_VID_INTEL,
  53         .devices         = pci_device_ids,
  54 };