aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/pvrusb2/pvrusb2-main.c
blob: eeacd0f67855d118b49aa8ad5cd4a11bfe9d3ce6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*
 *
 *
 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/videodev2.h>

#include "pvrusb2-hdw.h"
#include "pvrusb2-devattr.h"
#include "pvrusb2-context.h"
#include "pvrusb2-debug.h"
#include "pvrusb2-v4l2.h"
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
#include "pvrusb2-sysfs.h"
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */

#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
#define DRIVER_VERSION "V4L in-tree version"

#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
			    PVR2_TRACE_INFO| \
			    PVR2_TRACE_STD| \
			    PVR2_TRACE_TOLERANCE| \
			    PVR2_TRACE_TRAP| \
			    0)

int pvrusb2_debug = DEFAULT_DEBUG_MASK;

module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug, "Debug trace mask");

#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
static struct pvr2_sysfs_class *class_ptr = NULL;
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */

static void pvr_setup_attach(struct pvr2_context *pvr)
{
	/* Create association with v4l layer */
	pvr2_v4l2_create(pvr);
#ifdef CONFIG_VIDEO_PVRUSB2_DVB
	/* Create association with dvb layer */
	pvr2_dvb_create(pvr);
#endif
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	pvr2_sysfs_create(pvr,class_ptr);
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
}

static int pvr_probe(struct usb_interface *intf,
		     const struct usb_device_id *devid)
{
	struct pvr2_context *pvr;

	/* Create underlying hardware interface */
	pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
	if (!pvr) {
		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
			   "Failed to create hdw handler");
		return -ENOMEM;
	}

	pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);

	usb_set_intfdata(intf, pvr);

	return 0;
}

/*
 * pvr_disconnect()
 *
 */
static void pvr_disconnect(struct usb_interface *intf)
{
	struct pvr2_context *pvr = usb_get_intfdata(intf);

	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);

	usb_set_intfdata (intf, NULL);
	pvr2_context_disconnect(pvr);

	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);

}

static struct usb_driver pvr_driver = {
	.name =         "pvrusb2",
	.id_table =     pvr2_device_table,
	.probe =        pvr_probe,
	.disconnect =   pvr_disconnect
};

/*
 * pvr_init() / pvr_exit()
 *
 * This code is run to initialize/exit the driver.
 *
 */
static int __init pvr_init(void)
{
	int ret;

	pvr2_trace(PVR2_TRACE_INIT,"pvr_init");

	ret = pvr2_context_global_init();
	if (ret != 0) {
		pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
		return ret;
	}

#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	class_ptr = pvr2_sysfs_class_create();
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */

	ret = usb_register(&pvr_driver);

	if (ret == 0)
		printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
		       DRIVER_DESC "\n");
	if (pvrusb2_debug)
		printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
		       pvrusb2_debug,pvrusb2_debug);

	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");

	return ret;
}

static void __exit pvr_exit(void)
{
	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");

	usb_deregister(&pvr_driver);

#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
	pvr2_sysfs_class_destroy(class_ptr);
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */

	pvr2_context_global_done();

	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
}

module_init(pvr_init);
module_exit(pvr_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");


/*
  Stuff for Emacs to see, in order to encourage consistent editing style:
  *** Local Variables: ***
  *** mode: c ***
  *** fill-column: 70 ***
  *** tab-width: 8 ***
  *** c-basic-offset: 8 ***
  *** End: ***
  */