1 /**
2 * @file me0600_device.h
3 *
4 * @brief ME-630 device class.
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 _ME0600_DEVICE_H
28 #define _ME0600_DEVICE_H
29
30 #include <linux/pci.h>
31 #include <linux/spinlock.h>
32
33 #include "medevice.h"
34
35 #ifdef __KERNEL__
36
37 /**
38 * @brief Structure holding ME-630 device capabilities.
39 */
40 typedef struct me0600_version {
41 uint16_t device_id;
42 unsigned int relay_subdevices;
43 unsigned int ttli_subdevices;
44 unsigned int optoi_subdevices;
45 unsigned int dio_subdevices;
46 unsigned int ext_irq_subdevices;
47 } me0600_version_t;
48
49 /**
50 * @brief Device capabilities.
51 */
52 static me0600_version_t me0600_versions[] = {
53 {PCI_DEVICE_ID_MEILHAUS_ME0630, 1, 1, 1, 2, 2},
54 {0},
55 };
56
57 #define ME0600_DEVICE_VERSIONS (sizeof(me0600_versions) / sizeof(me0600_version_t) - 1) /**< Returns the number of entries in #me0600_versions. */
58
59 /**
60 * @brief Returns the index of the device entry in #me0600_versions.
61 *
62 * @param device_id The PCI device id of the device to query.
63 * @return The index of the device in #me0600_versions.
64 */
65 static inline unsigned int me0600_versions_get_device_index(uint16_t device_id)
66 {
67 unsigned int i;
68 for (i = 0; i < ME0600_DEVICE_VERSIONS; i++)
69 if (me0600_versions[i].device_id == device_id)
70 break;
71 return i;
72 }
73
74 /**
75 * @brief The ME-630 device class structure.
76 */
77 typedef struct me0600_device {
78 me_device_t base; /**< The Meilhaus device base class. */
79
80 /* Child class attributes. */
81 spinlock_t dio_ctrl_reg_lock;
82 spinlock_t intcsr_lock;
83 } me0600_device_t;
84
85 /**
86 * @brief The ME-630 device class constructor.
87 *
88 * @param pci_device The pci device structure given by the PCI subsystem.
89 *
90 * @return On succes a new ME-630 device instance. \n
91 * NULL on error.
92 */
93 me_device_t *me0600_pci_constructor(struct pci_dev *pci_device)
94 __attribute__ ((weak));
95
96 #endif
97 #endif
98
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