ps2 driver

extern void irq_ack(int);

typedef enum ps2_mouse_commands {
  MOUSE_PORT = 0x60,
  MOUSE_STATUS = 0x64,
  MOUSE_ABIT = 0x02,
  MOUSE_BBIT = 0x01,
  MOUSE_WRITE = 0xD4,
  MOUSE_F_BIT = 0x20,
  MOUSE_V_BIT = 0x08
} ps2_mouse_command_t;

typedef enum ps2_mouse_flags {
  MOUSE_LEFT = 1 << 0,
  MOUSE_RIGHT = 1 << 1,
  MOUSE_MIDDLE = 1 << 2,
  MOUSE_ALWAYS_ONE = 1 << 3,
  MOUSE_X_SIGN_BIT = 1 << 4,
  MOUSE_Y_SIGN_BIT = 1 << 5,
  MOUSE_X_OVERFLOW = 1 << 6,
  MOUSE_Y_OVERFLOW = 1 << 7,
} ps2_mouse_flag_t;

static void mouse_wait(unsigned char a_type) {
  uint32_t timeout = 100000;
  if (!a_type) {
    while (--timeout) {
      if ((inb(MOUSE_STATUS) & MOUSE_BBIT) == 1) {
        return;
      }
    }
    return;
  } else {
    while (--timeout) {
      if (!((inb(MOUSE_STATUS) & MOUSE_ABIT))) {
        return;
      }
    }
    return;
  }
}

static void mouse_write(uint8_t command) {
  mouse_wait(1);
  outb(0x64, 0xD4);
  mouse_wait(1);
  outb(0x60, command);
}

static uint8_t mouse_read() {
  mouse_wait(0);
  return inb(0x60);
}

void ps2_mouse_irq(void*) {
    kprintf("------------------------------- MOUSE\n");
    uint8_t status = inb(MOUSE_STATUS);

    while (status & MOUSE_BBIT)
    {
        char mouse_in = inb(MOUSE_PORT);



        status = inb(MOUSE_STATUS);
    }
    irq_ack(12);
}

extern void irq_set_handler(uint8_t num, void (*handler)(void*));

void ps2_keyboard_reset() {
    uint8_t tmp = inb(0x61);
    outb(0x61, tmp | 0x80);
    outb(0x61, tmp & 0x7F);
    inb(0x60);
}

bool ps2_mouse_init(void) {
    uint8_t _status;
    asm("cli");
    mouse_wait(1);
    outb(MOUSE_STATUS, 0xA8);
    mouse_wait(1);
    outb(MOUSE_STATUS, 0x20);
    mouse_wait(0);
    _status = inb(0x60) | 2;
    mouse_wait(1);
    outb(MOUSE_STATUS, 0x60);
    mouse_wait(1);
    outb(MOUSE_PORT, _status);
    mouse_write(0xF6);
    mouse_read();
    mouse_write(0xF4);
    mouse_read();

    irq_set_handler(12, ps2_mouse_irq);

    //ps2_keyboard_reset();
    asm("sti");
}