Merge branches 'release', 'cpuidle-2.6.25' and 'idle' into release
[linux-2.6] / drivers / media / video / pvrusb2 / pvrusb2-main.c
1 /*
2  *
3  *  $Id$
4  *
5  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
6  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  *
21  */
22
23 #include <linux/kernel.h>
24 #include <linux/errno.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <linux/usb.h>
28 #include <linux/videodev2.h>
29
30 #include "pvrusb2-hdw.h"
31 #include "pvrusb2-devattr.h"
32 #include "pvrusb2-context.h"
33 #include "pvrusb2-debug.h"
34 #include "pvrusb2-v4l2.h"
35 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
36 #include "pvrusb2-sysfs.h"
37 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
38
39 #define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
40 #define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
41 #define DRIVER_VERSION "V4L in-tree version"
42
43 #define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
44                             PVR2_TRACE_INFO| \
45                             PVR2_TRACE_STD| \
46                             PVR2_TRACE_TOLERANCE| \
47                             PVR2_TRACE_TRAP| \
48                             0)
49
50 int pvrusb2_debug = DEFAULT_DEBUG_MASK;
51
52 module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
53 MODULE_PARM_DESC(debug, "Debug trace mask");
54
55 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
56 static struct pvr2_sysfs_class *class_ptr = NULL;
57 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
58
59 static void pvr_setup_attach(struct pvr2_context *pvr)
60 {
61         /* Create association with v4l layer */
62         pvr2_v4l2_create(pvr);
63 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
64         pvr2_sysfs_create(pvr,class_ptr);
65 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
66 }
67
68 static int pvr_probe(struct usb_interface *intf,
69                      const struct usb_device_id *devid)
70 {
71         struct pvr2_context *pvr;
72
73         /* Create underlying hardware interface */
74         pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
75         if (!pvr) {
76                 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
77                            "Failed to create hdw handler");
78                 return -ENOMEM;
79         }
80
81         pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
82
83         usb_set_intfdata(intf, pvr);
84
85         return 0;
86 }
87
88 /*
89  * pvr_disconnect()
90  *
91  */
92 static void pvr_disconnect(struct usb_interface *intf)
93 {
94         struct pvr2_context *pvr = usb_get_intfdata(intf);
95
96         pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
97
98         usb_set_intfdata (intf, NULL);
99         pvr2_context_disconnect(pvr);
100
101         pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
102
103 }
104
105 static struct usb_driver pvr_driver = {
106         .name =         "pvrusb2",
107         .id_table =     pvr2_device_table,
108         .probe =        pvr_probe,
109         .disconnect =   pvr_disconnect
110 };
111
112 /*
113  * pvr_init() / pvr_exit()
114  *
115  * This code is run to initialize/exit the driver.
116  *
117  */
118 static int __init pvr_init(void)
119 {
120         int ret;
121
122         pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
123
124 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
125         class_ptr = pvr2_sysfs_class_create();
126 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
127
128         ret = usb_register(&pvr_driver);
129
130         if (ret == 0)
131                 info(DRIVER_DESC " : " DRIVER_VERSION);
132         if (pvrusb2_debug) info("Debug mask is %d (0x%x)",
133                                 pvrusb2_debug,pvrusb2_debug);
134
135         return ret;
136 }
137
138 static void __exit pvr_exit(void)
139 {
140         pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
141
142         usb_deregister(&pvr_driver);
143
144 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
145         pvr2_sysfs_class_destroy(class_ptr);
146 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
147 }
148
149 module_init(pvr_init);
150 module_exit(pvr_exit);
151
152 MODULE_AUTHOR(DRIVER_AUTHOR);
153 MODULE_DESCRIPTION(DRIVER_DESC);
154 MODULE_LICENSE("GPL");
155
156
157 /*
158   Stuff for Emacs to see, in order to encourage consistent editing style:
159   *** Local Variables: ***
160   *** mode: c ***
161   *** fill-column: 70 ***
162   *** tab-width: 8 ***
163   *** c-basic-offset: 8 ***
164   *** End: ***
165   */