2 * @file metempl_device.h
4 * @brief template device class.
5 * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
6 * @author Guenter Gebhardt
10 * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
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.
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.
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.
27 #ifndef _METEMPL_DEVICE_H
28 #define _METEMPL_DEVICE_H
30 #include <linux/pci.h>
31 #include <linux/spinlock.h>
38 * @brief Structure holding template device capabilities.
40 typedef struct metempl_version {
42 unsigned int subdevices;
46 * @brief Device capabilities.
48 static metempl_version_t metempl_versions[] = {
53 #define METEMPL_DEVICE_VERSIONS (sizeof(metempl_versions) / sizeof(metempl_version_t) - 1) /**< Returns the number of entries in #metempl_versions. */
56 * @brief Returns the index of the device entry in #metempl_versions.
58 * @param device_id The PCI device id of the device to query.
59 * @return The index of the device in #metempl_versions.
61 static inline unsigned int metempl_versions_get_device_index(uint16_t device_id)
64 for (i = 0; i < METEMPL_DEVICE_VERSIONS; i++)
65 if (metempl_versions[i].device_id == device_id)
71 * @brief The template device class structure.
73 typedef struct metempl_device {
74 me_device_t base; /**< The Meilhaus device base class. */
76 /* Child class attributes. */
77 spinlock_t ctrl_reg_lock;
81 * @brief The template device class constructor.
83 * @param pci_device The pci device structure given by the PCI subsystem.
85 * @return On succes a new template device instance. \n
88 me_device_t *metempl_pci_constructor(struct pci_dev *pci_device)
89 __attribute__ ((weak));