src/soc/intel/pantherlake/retimer.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <console/console.h>
   4 #include <device/device.h>
   5 #include <drivers/intel/usb4/retimer/retimer.h>
   6 #include <intelblocks/tcss.h>
   7 #include <static.h>
   8
   9 int retimer_get_index_for_typec(uint8_t typec_port)
  10 {
  11         const struct device *tcss_port_arr[] = {
  12                 DEV_PTR(tcss_usb3_port0),
  13                 DEV_PTR(tcss_usb3_port1),
  14                 DEV_PTR(tcss_usb3_port2),
  15                 DEV_PTR(tcss_usb3_port3),
  16         };
  17
  18         for (int i = 0, ec_port = 0; i < MAX_TYPE_C_PORTS; i++) {
  19                 if (i == typec_port) {
  20                         printk(BIOS_INFO, "USB Type-C %d mapped to EC port %d\n", typec_port,
  21                                         ec_port);
  22                         return ec_port;
  23                 }
  24
  25                 if (is_dev_enabled(tcss_port_arr[i]))
  26                         ec_port++;
  27         }
  28
  29         /* Code should not come here if typec_port input is correct */
  30         return -1;
  31 }