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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-main.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-main.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-main.c b/drivers/media/video/pvrusb2/pvrusb2-main.c
new file mode 100644
index 000000000000..b95248274ed0
--- /dev/null
+++ b/drivers/media/video/pvrusb2/pvrusb2-main.c
@@ -0,0 +1,172 @@
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/config.h>
24#include <linux/kernel.h>
25#include <linux/errno.h>
26#include <linux/slab.h>
27#include <linux/module.h>
28#include <linux/moduleparam.h>
29#include <linux/smp_lock.h>
30#include <linux/usb.h>
31#include <linux/videodev2.h>
32
33#include "pvrusb2-hdw.h"
34#include "pvrusb2-context.h"
35#include "pvrusb2-debug.h"
36#include "pvrusb2-v4l2.h"
37#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
38#include "pvrusb2-sysfs.h"
39#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
40
41#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
42#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
43#define DRIVER_VERSION "V4L in-tree version"
44
45#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
46 PVR2_TRACE_INFO| \
47 PVR2_TRACE_TOLERANCE| \
48 PVR2_TRACE_TRAP| \
49 0)
50
51int pvrusb2_debug = DEFAULT_DEBUG_MASK;
52
53module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
54MODULE_PARM_DESC(debug, "Debug trace mask");
55
56#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
57static struct pvr2_sysfs_class *class_ptr = 0;
58#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
59
60static void pvr_setup_attach(struct pvr2_context *pvr)
61{
62 /* Create association with v4l layer */
63 pvr2_v4l2_create(pvr);
64#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
65 pvr2_sysfs_create(pvr,class_ptr);
66#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
67}
68
69static int pvr_probe(struct usb_interface *intf,
70 const struct usb_device_id *devid)
71{
72 struct pvr2_context *pvr;
73
74 /* Create underlying hardware interface */
75 pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
76 if (!pvr) {
77 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
78 "Failed to create hdw handler");
79 return -ENOMEM;
80 }
81
82 pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
83
84 usb_set_intfdata(intf, pvr);
85
86 return 0;
87}
88
89/*
90 * pvr_disconnect()
91 *
92 */
93static void pvr_disconnect(struct usb_interface *intf)
94{
95 struct pvr2_context *pvr = usb_get_intfdata(intf);
96
97 pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
98
99 usb_set_intfdata (intf, NULL);
100 pvr2_context_disconnect(pvr);
101
102 pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
103
104}
105
106static struct usb_driver pvr_driver = {
107 name: "pvrusb2",
108 id_table: pvr2_device_table,
109 probe: pvr_probe,
110 disconnect: pvr_disconnect
111};
112
113/*
114 * pvr_init() / pvr_exit()
115 *
116 * This code is run to initialize/exit the driver.
117 *
118 */
119static int __init pvr_init(void)
120{
121 int ret;
122
123 pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
124
125#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
126 class_ptr = pvr2_sysfs_class_create();
127#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
128
129 ret = usb_register(&pvr_driver);
130
131 if (ret == 0)
132 info(DRIVER_DESC " : " DRIVER_VERSION);
133 if (pvrusb2_debug) info("Debug mask is %d (0x%x)",
134 pvrusb2_debug,pvrusb2_debug);
135
136 return ret;
137}
138
139static void __exit pvr_exit(void)
140{
141
142 pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
143
144#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
145 pvr2_sysfs_class_destroy(class_ptr);
146#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
147
148 usb_deregister(&pvr_driver);
149}
150
151module_init(pvr_init);
152module_exit(pvr_exit);
153
154/* Mike Isely <mcisely@pobox.com> 11-Mar-2006: See pvrusb2-hdw.c for
155 MODULE_DEVICE_TABLE(). We have to declare that attribute there
156 because that's where the device table actually is now and it seems
157 that certain gcc configurations get angry if MODULE_DEVICE_TABLE()
158 is used on what ends up being an external symbol. */
159MODULE_AUTHOR(DRIVER_AUTHOR);
160MODULE_DESCRIPTION(DRIVER_DESC);
161MODULE_LICENSE("GPL");
162
163
164/*
165 Stuff for Emacs to see, in order to encourage consistent editing style:
166 *** Local Variables: ***
167 *** mode: c ***
168 *** fill-column: 70 ***
169 *** tab-width: 8 ***
170 *** c-basic-offset: 8 ***
171 *** End: ***
172 */