linux-imx

/*

*

* mwavedd.c -- mwave device driver

*

*

* Written By: Mike Sullivan IBM Corporation

*

* Copyright (C) 1999 IBM Corporation

*

* This program is free software; you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation; either version 2 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

*

* NO WARRANTY

* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR

* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT

* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,

* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is

* solely responsible for determining the appropriateness of using and

* distributing the Program and assumes all risks associated with its

* exercise of rights under this Agreement, including but not limited to

* the risks and costs of program errors, damage to or loss of data,

* programs or equipment, and unavailability or interruption of operations.

*

* DISCLAIMER OF LIABILITY

* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY

* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND

* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR

* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE

* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED

* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES

*

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*

*

* 10/23/2000 - Alpha Release

*   First release to the public

*/

​

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/fs.h>

#include <linux/init.h>

#include <linux/major.h>

#include <linux/miscdevice.h>

#include <linux/device.h>

#include <linux/serial.h>

#include <linux/sched.h>

#include <linux/spinlock.h>

#include <linux/mutex.h>

#include <linux/delay.h>

#include <linux/serial_8250.h>

#include <linux/nospec.h>

#include "smapi.h"

#include "mwavedd.h"

#include "3780i.h"

#include "tp3780i.h"

​

MODULE_DESCRIPTION("3780i Advanced Communications Processor (Mwave) driver");

MODULE_AUTHOR("Mike Sullivan and Paul Schroeder");

MODULE_LICENSE("GPL");

​

/*

* These parameters support the setting of MWave resources. Note that no

* checks are made against other devices (ie. superio) for conflicts.

* We'll depend on users using the tpctl utility to do that for now

*/

static DEFINE_MUTEX(mwave_mutex);

int mwave_debug = 0;

int mwave_3780i_irq = 0;

int mwave_3780i_io = 0;

int mwave_uart_irq = 0;

int mwave_uart_io = 0;

module_param(mwave_debug, int, 0);

module_param_hw(mwave_3780i_irq, int, irq, 0);

module_param_hw(mwave_3780i_io, int, ioport, 0);

module_param_hw(mwave_uart_irq, int, irq, 0);

module_param_hw(mwave_uart_io, int, ioport, 0);

​

static int mwave_open(struct inode *inode, struct file *file);

static int mwave_close(struct inode *inode, struct file *file);

static long mwave_ioctl(struct file *filp, unsigned int iocmd,

                            unsigned long ioarg);