linux-imx

// SPDX-License-Identifier: GPL-2.0+

/*

 *          mxser.c  -- MOXA Smartio/Industio family multiport serial driver.

 *

 *      Copyright (C) 1999-2006  Moxa Technologies (support@moxa.com).

 *  Copyright (C) 2006-2008  Jiri Slaby <jirislaby@gmail.com>

 *

 *      This code is loosely based on the 1.8 moxa driver which is based on

 *  Linux serial driver, written by Linus Torvalds, Theodore T'so and

 *  others.

 *

 *  Fed through a cleanup, indent and remove of non 2.6 code by Alan Cox

 *  <alan@lxorguk.ukuu.org.uk>. The original 1.8 code is available on

 *  www.moxa.com.

 *  - Fixed x86_64 cleanness

 */

​

#include <linux/module.h>

#include <linux/errno.h>

#include <linux/signal.h>

#include <linux/sched.h>

#include <linux/timer.h>

#include <linux/interrupt.h>

#include <linux/tty.h>

#include <linux/tty_flip.h>

#include <linux/serial.h>

#include <linux/serial_reg.h>

#include <linux/major.h>

#include <linux/string.h>

#include <linux/fcntl.h>

#include <linux/ptrace.h>

#include <linux/ioport.h>

#include <linux/mm.h>

#include <linux/delay.h>

#include <linux/pci.h>

#include <linux/bitops.h>

#include <linux/slab.h>

#include <linux/ratelimit.h>

​

#include <asm/io.h>

#include <asm/irq.h>

#include <linux/uaccess.h>

​

#include "mxser.h"

​

#define MXSER_VERSION   "2.0.5"     /* 1.14 */

#define MXSERMAJOR   174

​

#define MXSER_BOARDS        4   /* Max. boards */

#define MXSER_PORTS_PER_BOARD   8   /* Max. ports per board */

#define MXSER_PORTS     (MXSER_BOARDS * MXSER_PORTS_PER_BOARD)

#define MXSER_ISR_PASS_LIMIT    100

​

/*CheckIsMoxaMust return value*/

#define MOXA_OTHER_UART     0x00

#define MOXA_MUST_MU150_HWID    0x01

#define MOXA_MUST_MU860_HWID    0x02

​

#define WAKEUP_CHARS        256

​

#define UART_MCR_AFE        0x20

#define UART_LSR_SPECIAL    0x1E

​