From 2d59766eb330b9d15a9bcbcd7e1695809fc099c5 Mon Sep 17 00:00:00 2001
From: EmulatedSeasons <89668582+EmulatedSeasons@users.noreply.github.com>
Date: Fri, 3 May 2024 03:39:47 -0400
Subject: renamed i386 to x86

---
 kernel/arch/i386/ps2_controller.cpp | 191 ------------------------------------
 1 file changed, 191 deletions(-)
 delete mode 100644 kernel/arch/i386/ps2_controller.cpp

(limited to 'kernel/arch/i386/ps2_controller.cpp')

diff --git a/kernel/arch/i386/ps2_controller.cpp b/kernel/arch/i386/ps2_controller.cpp
deleted file mode 100644
index 9424233..0000000
--- a/kernel/arch/i386/ps2_controller.cpp
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <io.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <arch/i386/ps2_controller.h>
-
-#define PS2_DATA 0x60 // data port
-#define PS2_STATUS 0x64 // status register
-#define PS2_COMMAND 0x64 // command register
-
-// set to true if 2nd ps2 port is available
-bool ps2SecondaryEnabled = false;
-
-void initialize_ps2_controller() {
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0xAD); // disable devices
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0xA7);
-    
-    outputbuffer_wait();
-    inb(PS2_DATA); // flush output buffer
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-    inb(PS2_DATA);
-
-    
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0x20); // set controller configuration byte
-    outputbuffer_wait();
-    uint8_t conconfig = inb(PS2_DATA);
-    conconfig &= 0b00110100;
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0x60);
-    inputbuffer_wait();
-    outb(PS2_DATA, conconfig);
-
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0xAA); // performs controller self test
-    outputbuffer_wait();
-    if (inb(PS2_DATA) == 0xFC) {
-        printf("PS/2 controller failed self test\n");
-    }
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0x60); // in case the controller resets from the test
-    inputbuffer_wait();
-    outb(PS2_DATA, conconfig);
-
-    int portcount = 1;
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0xA8); // check if ps2 controller is dual channel
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0x20);
-    outputbuffer_wait();
-    conconfig = inb(PS2_DATA);
-    if ((conconfig & 0b00100000) == 0b00000000) { // checks if bit 5 is cleared
-        ps2SecondaryEnabled = true;
-        //printf("Dual channel PS/2\n");
-        portcount = 2;
-    } else {
-        //printf("Single channel PS/2\n");
-    }
-    
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0xAB); // tests ps2 ports
-    outputbuffer_wait();
-    if (inb(PS2_DATA) != 0x00) {
-        printf("PS/2 port 1 failed self test\n");
-        --portcount;
-    }
-    if (ps2SecondaryEnabled) {
-        inputbuffer_wait();
-        outb(PS2_COMMAND, 0xA9);
-        outputbuffer_wait();
-        if (inb(PS2_DATA) != 0x00) {
-            printf("PS/2 port 2 failed self test\n");
-            --portcount;
-        }
-    }
-    if (!portcount) {
-        printf("PS/2 initialization failed\n");
-        return;
-    }
-
-    conconfig |= 0b00000011;
-    inputbuffer_wait();
-    outb(PS2_COMMAND, 0xAE); // enable ps2 ports
-    conconfig |= 0b00000001;
-    if (ps2SecondaryEnabled) {
-        inputbuffer_wait();
-        outb(PS2_COMMAND, 0xA8);
-        outb(PS2_COMMAND, 0x60);
-        conconfig |= 0b00000011;
-        outb(PS2_DATA, conconfig);
-    } else {
-        inputbuffer_wait();
-        outb(PS2_COMMAND, 0x60);
-        conconfig |= 0b00000001;
-        outb(PS2_DATA, conconfig);
-    }
-
-    //ps2_dev_send_command(0, 0xFF); // reset devices
-    //inb(PS2_DATA);
-    //io_wait();
-    if (ps2SecondaryEnabled) {
-        //ps2_dev_send_command(1, 0xFF);
-        //inb(PS2_DATA);
-        //io_wait();
-    }
-
-    //printf("PS/2 controller initialized\n");
-}
-
-// waits for input buffer (write) to be filled
-void inputbuffer_wait() {
-    for (int i = 0; i < 15; i++) {
-        uint8_t status_reg = inb(PS2_STATUS);
-        if ((status_reg & 0b00000010)) {
-            return;
-        }
-        io_wait();
-    }
-}
-
-// waits for outbut buffer (read) to be filled
-void outputbuffer_wait() {
-    for (int i = 0; i < 15; i++) {
-        uint8_t status_reg = inb(PS2_STATUS);
-        if ((status_reg & 0b00000001)) {
-            return;
-        }
-        io_wait();
-    }
-}
-
-// checks if inpbut buffer is set
-bool inputbuffer_check() {
-    uint8_t status_reg = inb(PS2_STATUS);
-    if ((status_reg & 0b00000010)) {
-        return true;
-    } else {
-        return false;
-    }
-}
-
-bool outputbuffer_check() {
-    uint8_t status_reg = inb(PS2_STATUS);
-    if ((status_reg & 0b00000001)) {
-        return true;
-    } else {
-        return false;
-    }
-}
-
-/* Sends a command byte to a ps2 device 
-Port numbers start from 0 */
-int ps2_dev_send_command(int port, unsigned char command) {
-    //bool commandRecieved = false;
-    switch (port)
-        {
-        case 0:
-            for (int i = 0; i < 5; i++) {
-                uint8_t status_reg = inb(PS2_STATUS);
-                if ((status_reg & 0b00000010) == 0b00000000) {
-                    outb(PS2_DATA, command);
-                    return 0;
-                }
-                inb(PS2_DATA);
-                io_wait();
-            }
-            return 1; // error returned if timeout expires
-        case 1:
-            outb(PS2_COMMAND, 0xD4);
-            for (int i = 0; i < 5; i++) {
-                uint8_t status_reg = inb(PS2_STATUS);
-                if ((status_reg & 0b00000010) == 0b00000000) {
-                    outb(PS2_DATA, command);
-                    return 0;
-                }
-                inb(PS2_DATA);
-                io_wait();
-            }
-            return 1;
-        default:
-            return 2; // out of port range
-        }
-}
\ No newline at end of file
-- 
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