drivers/staging/meilhaus/me1000_device.h

   1 /**
   2  * @file me1000_device.h
   3  *
   4  * @brief ME-1000 device class instance.
   5  * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
   6  * @author Guenter Gebhardt
   7  */
   8
   9 /*
  10  * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
  11  *
  12  * This file is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  */
  26
  27 #ifndef _ME1000_H_
  28 #define _ME1000_H_
  29
  30 #include <linux/pci.h>
  31 #include <linux/spinlock.h>
  32
  33 #include "medevice.h"
  34
  35 #ifdef __KERNEL__
  36
  37 #define ME1000_MAGIC_NUMBER     1000
  38
  39 /**
  40  * @brief The ME-1000 device class structure.
  41  */
  42 typedef struct me1000_device {
  43         me_device_t base;               /**< The Meilhaus device base class. */
  44         spinlock_t ctrl_lock;           /**< Guards the DIO mode register. */
  45 } me1000_device_t;
  46
  47 /**
  48  * @brief The ME-1000 device class constructor.
  49  *
  50  * @param pci_device The pci device structure given by the PCI subsystem.
  51  *
  52  * @return On succes a new ME-1000 device instance. \n
  53  *         NULL on error.
  54  */
  55 me_device_t *me1000_pci_constructor(struct pci_dev *pci_device)
  56     __attribute__ ((weak));
  57
  58 #endif
  59 #endif