src/soc/intel/tigerlake/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 <stdint.h>
   8
   9 int retimer_get_index_for_typec(uint8_t typec_port)
  10 {
  11         int ec_port = 0;
  12
  13         const struct device *tcss_port_arr[] = {
  14                 DEV_PTR(tcss_usb3_port1),
  15                 DEV_PTR(tcss_usb3_port2),
  16                 DEV_PTR(tcss_usb3_port3),
  17                 DEV_PTR(tcss_usb3_port4),
  18         };
  19
  20         for (uint8_t i = 0; i < MAX_TYPE_C_PORTS; i++) {
  21                 if (i == typec_port) {
  22                         printk(BIOS_ERR, "USB Type-C %d mapped to EC port %d\n", typec_port,
  23                                         ec_port);
  24                         return ec_port;
  25                 }
  26
  27                 if (is_dev_enabled(tcss_port_arr[i]))
  28                         ec_port++;
  29         }
  30
  31         // Code should not come here if typec_port input is correct
  32         return -1;
  33 }