Commit | Line | Data |
---|---|---|
3fedd148 DK |
1 | /** |
2 | * @file me8200_device.c | |
3 | * | |
4 | * @brief ME-8200 device class implementation. | |
5 | * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) | |
6 | * @author Guenter Gebhardt | |
7 | * @author Krzysztof Gantzke (k.gantzke@meilhaus.de) | |
8 | */ | |
9 | ||
10 | /* | |
11 | * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) | |
12 | * | |
13 | * This file is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #ifndef __KERNEL__ | |
29 | # define __KERNEL__ | |
30 | #endif | |
31 | ||
32 | #ifndef MODULE | |
33 | # define MODULE | |
34 | #endif | |
35 | ||
36 | #include <linux/module.h> | |
37 | ||
38 | #include <linux/pci.h> | |
39 | #include <linux/slab.h> | |
40 | ||
41 | #include "meids.h" | |
42 | #include "meerror.h" | |
43 | #include "mecommon.h" | |
44 | #include "meinternal.h" | |
45 | ||
46 | #include "medebug.h" | |
47 | #include "meplx_reg.h" | |
48 | #include "medevice.h" | |
49 | #include "me8200_device.h" | |
50 | #include "mesubdevice.h" | |
51 | #include "me8200_di.h" | |
52 | #include "me8200_do.h" | |
53 | #include "me8200_dio.h" | |
54 | ||
55 | me_device_t *me8200_pci_constructor(struct pci_dev *pci_device) | |
56 | { | |
57 | me8200_device_t *me8200_device; | |
58 | me_subdevice_t *subdevice; | |
59 | unsigned int version_idx; | |
60 | int err; | |
61 | int i; | |
62 | ||
63 | PDEBUG("executed.\n"); | |
64 | ||
65 | // Allocate structure for device instance. | |
66 | me8200_device = kmalloc(sizeof(me8200_device_t), GFP_KERNEL); | |
67 | ||
68 | if (!me8200_device) { | |
69 | PERROR("Cannot get memory for device instance.\n"); | |
70 | return NULL; | |
71 | } | |
72 | ||
73 | memset(me8200_device, 0, sizeof(me8200_device_t)); | |
74 | ||
75 | // Initialize base class structure. | |
76 | err = me_device_pci_init((me_device_t *) me8200_device, pci_device); | |
77 | ||
78 | if (err) { | |
79 | kfree(me8200_device); | |
80 | PERROR("Cannot initialize device base class.\n"); | |
81 | return NULL; | |
82 | } | |
83 | ||
84 | /* Get the index in the device version information table. */ | |
85 | version_idx = | |
86 | me8200_versions_get_device_index(me8200_device->base.info.pci. | |
87 | device_id); | |
88 | ||
89 | // Initialize spin lock . | |
90 | spin_lock_init(&me8200_device->irq_ctrl_lock); | |
91 | spin_lock_init(&me8200_device->irq_mode_lock); | |
92 | spin_lock_init(&me8200_device->dio_ctrl_lock); | |
93 | ||
94 | /* Setup the PLX interrupt configuration */ | |
95 | outl(PLX_INTCSR_LOCAL_INT1_EN | | |
96 | PLX_INTCSR_LOCAL_INT1_POL | | |
97 | PLX_INTCSR_LOCAL_INT2_EN | | |
98 | PLX_INTCSR_LOCAL_INT2_POL | | |
99 | PLX_INTCSR_PCI_INT_EN, | |
100 | me8200_device->base.info.pci.reg_bases[1] + PLX_INTCSR); | |
101 | ||
102 | // Create subdevice instances. | |
103 | ||
104 | for (i = 0; i < me8200_versions[version_idx].di_subdevices; i++) { | |
105 | subdevice = | |
106 | (me_subdevice_t *) me8200_di_constructor(me8200_device-> | |
107 | base.info.pci. | |
108 | reg_bases[2], i, | |
109 | me8200_device-> | |
110 | base.irq, | |
111 | &me8200_device-> | |
112 | irq_ctrl_lock, | |
113 | &me8200_device-> | |
114 | irq_mode_lock); | |
115 | ||
116 | if (!subdevice) { | |
117 | me_device_deinit((me_device_t *) me8200_device); | |
118 | kfree(me8200_device); | |
119 | PERROR("Cannot get memory for subdevice.\n"); | |
120 | return NULL; | |
121 | } | |
122 | ||
123 | me_slist_add_subdevice_tail(&me8200_device->base.slist, | |
124 | subdevice); | |
125 | } | |
126 | ||
127 | for (i = 0; i < me8200_versions[version_idx].do_subdevices; i++) { | |
128 | subdevice = | |
129 | (me_subdevice_t *) me8200_do_constructor(me8200_device-> | |
130 | base.info.pci. | |
131 | reg_bases[2], i, | |
132 | me8200_device-> | |
133 | base.irq, | |
134 | &me8200_device-> | |
135 | irq_mode_lock); | |
136 | ||
137 | if (!subdevice) { | |
138 | me_device_deinit((me_device_t *) me8200_device); | |
139 | kfree(me8200_device); | |
140 | PERROR("Cannot get memory for subdevice.\n"); | |
141 | return NULL; | |
142 | } | |
143 | ||
144 | me_slist_add_subdevice_tail(&me8200_device->base.slist, | |
145 | subdevice); | |
146 | } | |
147 | ||
148 | for (i = 0; i < me8200_versions[version_idx].dio_subdevices; i++) { | |
149 | subdevice = | |
150 | (me_subdevice_t *) me8200_dio_constructor(me8200_device-> | |
151 | base.info.pci. | |
152 | reg_bases[2], i, | |
153 | &me8200_device-> | |
154 | dio_ctrl_lock); | |
155 | ||
156 | if (!subdevice) { | |
157 | me_device_deinit((me_device_t *) me8200_device); | |
158 | kfree(me8200_device); | |
159 | PERROR("Cannot get memory for subdevice.\n"); | |
160 | return NULL; | |
161 | } | |
162 | ||
163 | me_slist_add_subdevice_tail(&me8200_device->base.slist, | |
164 | subdevice); | |
165 | } | |
166 | ||
167 | return (me_device_t *) me8200_device; | |
168 | } | |
451084d2 | 169 | EXPORT_SYMBOL(me8200_pci_constructor); |
3fedd148 DK |
170 | |
171 | // Init and exit of module. | |
172 | ||
173 | static int __init me8200_init(void) | |
174 | { | |
175 | PDEBUG("executed.\n."); | |
176 | return 0; | |
177 | } | |
178 | ||
179 | static void __exit me8200_exit(void) | |
180 | { | |
181 | PDEBUG("executed.\n."); | |
182 | } | |
183 | ||
184 | module_init(me8200_init); | |
185 | ||
186 | module_exit(me8200_exit); | |
187 | ||
188 | // Administrative stuff for modinfo. | |
189 | MODULE_AUTHOR("Guenter Gebhardt <g.gebhardt@meilhaus.de>"); | |
190 | MODULE_DESCRIPTION("Device Driver Module for Template Device"); | |
191 | MODULE_SUPPORTED_DEVICE("Meilhaus Template Devices"); | |
192 | MODULE_LICENSE("GPL"); |