1/*
2 *
3 *
4 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
6 *
7 *  This program is free software; you can redistribute it and/or modify
8 *  it under the terms of the GNU General Public License as published by
9 *  the Free Software Foundation; either version 2 of the License
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *  GNU General Public License for more details.
15 *
16 *  You should have received a copy of the GNU General Public License
17 *  along with this program; if not, write to the Free Software
18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 *
20 */
21
22#include <linux/kernel.h>
23#include <linux/errno.h>
24#include <linux/module.h>
25#include <linux/usb.h>
26#include <linux/videodev2.h>
27
28#include "pvrusb2-hdw.h"
29#include "pvrusb2-devattr.h"
30#include "pvrusb2-context.h"
31#include "pvrusb2-debug.h"
32#include "pvrusb2-v4l2.h"
33#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
34#include "pvrusb2-sysfs.h"
35#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
36
37#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
38#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
39#define DRIVER_VERSION "V4L in-tree version"
40
41#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
42			    PVR2_TRACE_INFO| \
43			    PVR2_TRACE_STD| \
44			    PVR2_TRACE_TOLERANCE| \
45			    PVR2_TRACE_TRAP| \
46			    0)
47
48int pvrusb2_debug = DEFAULT_DEBUG_MASK;
49
50module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
51MODULE_PARM_DESC(debug, "Debug trace mask");
52
53#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
54static struct pvr2_sysfs_class *class_ptr = NULL;
55#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
56
57static void pvr_setup_attach(struct pvr2_context *pvr)
58{
59	/* Create association with v4l layer */
60	pvr2_v4l2_create(pvr);
61#ifdef CONFIG_VIDEO_PVRUSB2_DVB
62	/* Create association with dvb layer */
63	pvr2_dvb_create(pvr);
64#endif
65#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
66	pvr2_sysfs_create(pvr,class_ptr);
67#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
68}
69
70static int pvr_probe(struct usb_interface *intf,
71		     const struct usb_device_id *devid)
72{
73	struct pvr2_context *pvr;
74
75	/* Create underlying hardware interface */
76	pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
77	if (!pvr) {
78		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
79			   "Failed to create hdw handler");
80		return -ENOMEM;
81	}
82
83	pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
84
85	usb_set_intfdata(intf, pvr);
86
87	return 0;
88}
89
90/*
91 * pvr_disconnect()
92 *
93 */
94static void pvr_disconnect(struct usb_interface *intf)
95{
96	struct pvr2_context *pvr = usb_get_intfdata(intf);
97
98	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
99
100	usb_set_intfdata (intf, NULL);
101	pvr2_context_disconnect(pvr);
102
103	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
104
105}
106
107static struct usb_driver pvr_driver = {
108	.name =         "pvrusb2",
109	.id_table =     pvr2_device_table,
110	.probe =        pvr_probe,
111	.disconnect =   pvr_disconnect
112};
113
114/*
115 * pvr_init() / pvr_exit()
116 *
117 * This code is run to initialize/exit the driver.
118 *
119 */
120static int __init pvr_init(void)
121{
122	int ret;
123
124	pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
125
126	ret = pvr2_context_global_init();
127	if (ret != 0) {
128		pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
129		return ret;
130	}
131
132#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
133	class_ptr = pvr2_sysfs_class_create();
134#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
135
136	ret = usb_register(&pvr_driver);
137
138	if (ret == 0)
139		printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
140		       DRIVER_DESC "\n");
141	if (pvrusb2_debug)
142		printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
143		       pvrusb2_debug,pvrusb2_debug);
144
145	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
146
147	return ret;
148}
149
150static void __exit pvr_exit(void)
151{
152	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
153
154	usb_deregister(&pvr_driver);
155
156	pvr2_context_global_done();
157
158#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
159	pvr2_sysfs_class_destroy(class_ptr);
160#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
161
162	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
163}
164
165module_init(pvr_init);
166module_exit(pvr_exit);
167
168MODULE_AUTHOR(DRIVER_AUTHOR);
169MODULE_DESCRIPTION(DRIVER_DESC);
170MODULE_LICENSE("GPL");
171MODULE_VERSION("0.9.1");
172