linux/drivers/misc/altera-stapl/altera-lpt.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * altera-lpt.c
 *
 * altera FPGA driver
 *
 * Copyright (C) Altera Corporation 1998-2001
 * Copyright (C) 2010 NetUP Inc.
 * Copyright (C) 2010 Abylay Ospan <[email protected]>
 */

#include <linux/io.h>
#include <linux/kernel.h>
#include "altera-exprt.h"

static int lpt_hardware_initialized;

static void byteblaster_write(int port, int data)
{
	outb((u8)data, (u16)(port + 0x378));
};

static int byteblaster_read(int port)
{
	int data = 0;
	data = inb((u16)(port + 0x378));
	return data & 0xff;
};

int netup_jtag_io_lpt(void *device, int tms, int tdi, int read_tdo)
{ … }