3fedd14818
Originally written by Guenter Gebhardt <g.gebhardt@meilhaus.de> and Krzysztof Gantzke <k.gantzke@meilhaus.de> This is the drv/lnx/mod directory of ME-IDS 1.2.9 tarball with some files from drv/lnx/include. Signed-off-by: David Kiliani <mail@davidkiliani.de> Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de> Cc: Krzysztof Gantzke <k.gantzke@meilhaus.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/**
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* @file metempl_device.h
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*
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* @brief template device class.
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* @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
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* @author Guenter Gebhardt
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*/
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/*
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* Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _METEMPL_DEVICE_H
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#define _METEMPL_DEVICE_H
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#include <linux/pci.h>
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#include <linux/spinlock.h>
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#include "medevice.h"
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#ifdef __KERNEL__
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/**
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* @brief Structure holding template device capabilities.
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*/
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typedef struct metempl_version {
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uint16_t device_id;
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unsigned int subdevices;
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} metempl_version_t;
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/**
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* @brief Device capabilities.
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*/
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static metempl_version_t metempl_versions[] = {
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{0xDEAD, 1},
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{0},
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};
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#define METEMPL_DEVICE_VERSIONS (sizeof(metempl_versions) / sizeof(metempl_version_t) - 1) /**< Returns the number of entries in #metempl_versions. */
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/**
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* @brief Returns the index of the device entry in #metempl_versions.
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*
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* @param device_id The PCI device id of the device to query.
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* @return The index of the device in #metempl_versions.
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*/
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static inline unsigned int metempl_versions_get_device_index(uint16_t device_id)
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{
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unsigned int i;
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for (i = 0; i < METEMPL_DEVICE_VERSIONS; i++)
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if (metempl_versions[i].device_id == device_id)
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break;
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return i;
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}
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/**
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* @brief The template device class structure.
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*/
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typedef struct metempl_device {
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me_device_t base; /**< The Meilhaus device base class. */
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/* Child class attributes. */
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spinlock_t ctrl_reg_lock;
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} metempl_device_t;
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/**
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* @brief The template device class constructor.
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*
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* @param pci_device The pci device structure given by the PCI subsystem.
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*
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* @return On succes a new template device instance. \n
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* NULL on error.
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*/
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me_device_t *metempl_pci_constructor(struct pci_dev *pci_device)
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__attribute__ ((weak));
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#endif
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#endif
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