//
// Copyright 2024 Wenting Zhang <zephray@outlook.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#include <stdint.h>
#include <stdio.h>
#include "pico/stdlib.h"
#include "hardware/i2c.h"
#include "config.h"
#include "ptn3460.h"
#include "utils.h"
#include "usb_mux.h"

#ifdef INPUT_TYPEC

#define USBC_ORI_PIN    10

void usb_mux_init(int port) {
    gpio_init(USBC_ORI_PIN);
    gpio_set_dir(USBC_ORI_PIN, GPIO_OUT);
    gpio_put(USBC_ORI_PIN, 0);
}

void usb_mux_set(int port, enum typec_mux mux_mode,
		 enum usb_switch usb_config, int polarity) {
    printf("USB MUX set %s, %d\n",
        (usb_config == USB_SWITCH_CONNECT) ? "CONNECT" :
        (usb_config == USB_SWITCH_DISCONNECT) ? "DISCONNECT" : "RESTORE",
        polarity);
    if (usb_config == USB_SWITCH_CONNECT) {
        if (polarity == 0) {
            // Not flipped
            printf("Setting orientation to not flipped\n");
            gpio_put(USBC_ORI_PIN, 1);
            ptn3460_set_aux_polarity(1);
        }
        else {
            // Flipped
            printf("Setting orientation to flipped\n");
            gpio_put(USBC_ORI_PIN, 0);
            ptn3460_set_aux_polarity(0);
        }
    }
}

#endif