src/soc/intel/meteorlake/xhci.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/pci_type.h>
   4 #include <intelblocks/xhci.h>
   5 #include <soc/pci_devs.h>
   6
   7 #define XHCI_USB2_PORT_STATUS_REG       0x480
   8 #define XHCI_USB3_PORT_STATUS_REG       0x540
   9 #define XHCI_USB2_PORT_NUM              10
  10 #define XHCI_USB3_PORT_NUM              4
  11
  12 #define TCSS_XHCI_USB2_PORT_STATUS_REG  0x480
  13 #define TCSS_XHCI_USB3_PORT_STATUS_REG  0x490
  14 #define TCSS_XHCI_USB2_PORT_NUM         0
  15 #define TCSS_XHCI_USB3_PORT_NUM         4
  16
  17 static const struct xhci_usb_info usb_info = {
  18         .usb2_port_status_reg = XHCI_USB2_PORT_STATUS_REG,
  19         .num_usb2_ports = XHCI_USB2_PORT_NUM,
  20         .usb3_port_status_reg = XHCI_USB3_PORT_STATUS_REG,
  21         .num_usb3_ports = XHCI_USB3_PORT_NUM,
  22 };
  23
  24 static const struct xhci_usb_info tcss_usb_info = {
  25         .usb2_port_status_reg = TCSS_XHCI_USB2_PORT_STATUS_REG,
  26         .num_usb2_ports = TCSS_XHCI_USB2_PORT_NUM,
  27         .usb3_port_status_reg = TCSS_XHCI_USB3_PORT_STATUS_REG,
  28         .num_usb3_ports = TCSS_XHCI_USB3_PORT_NUM,
  29 };
  30
  31 const struct xhci_usb_info *soc_get_xhci_usb_info(pci_devfn_t xhci_dev)
  32 {
  33         if (xhci_dev == PCI_DEVFN_XHCI)
  34                 return &usb_info;
  35         else if (xhci_dev == PCI_DEVFN_TCSS_XHCI)
  36                 return &tcss_usb_info;
  37
  38         return NULL;
  39 }