retimer.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <console/console.h>
#include <device/device.h>
#include <drivers/intel/usb4/retimer/retimer.h>
#include <intelblocks/tcss.h>
 
int retimer_get_index_for_typec(uint8_t typec_port)
{
        int ec_port = 0;
 
        const struct device *tcss_port_arr[] = {
                DEV_PTR(tcss_usb3_port1),
                DEV_PTR(tcss_usb3_port2),
                DEV_PTR(tcss_usb3_port3),
                DEV_PTR(tcss_usb3_port4),
        };
 
        for (uint8_t i = 0; i < MAX_TYPE_C_PORTS; i++) {
                if (i == typec_port) {
                        printk(BIOS_INFO, "USB Type-C %d mapped to EC port %d\n", typec_port,
                                        ec_port);
                        return ec_port;
                }
 
                if (is_dev_enabled(tcss_port_arr[i]))
                        ec_port++;
        }
 
        // Code should not come here if typec_port input is correct
        return -1;
}