1/*
2 *
3 *  $Id: pvrusb2-main.c,v 1.1.1.1 2007/08/03 18:52:41 Exp $
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/moduleparam.h>
28#include <linux/usb.h>
29#include <linux/videodev2.h>
30
31#include "pvrusb2-hdw.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_TOLERANCE| \
46			    PVR2_TRACE_TRAP| \
47			    0)
48
49int pvrusb2_debug = DEFAULT_DEBUG_MASK;
50
51module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
52MODULE_PARM_DESC(debug, "Debug trace mask");
53
54#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
55static struct pvr2_sysfs_class *class_ptr = NULL;
56#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
57
58static void pvr_setup_attach(struct pvr2_context *pvr)
59{
60	/* Create association with v4l layer */
61	pvr2_v4l2_create(pvr);
62#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
63	pvr2_sysfs_create(pvr,class_ptr);
64#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
65}
66
67static int pvr_probe(struct usb_interface *intf,
68		     const struct usb_device_id *devid)
69{
70	struct pvr2_context *pvr;
71
72	/* Create underlying hardware interface */
73	pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
74	if (!pvr) {
75		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
76			   "Failed to create hdw handler");
77		return -ENOMEM;
78	}
79
80	pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
81
82	usb_set_intfdata(intf, pvr);
83
84	return 0;
85}
86
87/*
88 * pvr_disconnect()
89 *
90 */
91static void pvr_disconnect(struct usb_interface *intf)
92{
93	struct pvr2_context *pvr = usb_get_intfdata(intf);
94
95	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
96
97	usb_set_intfdata (intf, NULL);
98	pvr2_context_disconnect(pvr);
99
100	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
101
102}
103
104static struct usb_driver pvr_driver = {
105	.name =         "pvrusb2",
106	.id_table =     pvr2_device_table,
107	.probe =        pvr_probe,
108	.disconnect =   pvr_disconnect
109};
110
111/*
112 * pvr_init() / pvr_exit()
113 *
114 * This code is run to initialize/exit the driver.
115 *
116 */
117static int __init pvr_init(void)
118{
119	int ret;
120
121	pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
122
123#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
124	class_ptr = pvr2_sysfs_class_create();
125#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
126
127	ret = usb_register(&pvr_driver);
128
129	if (ret == 0)
130		info(DRIVER_DESC " : " DRIVER_VERSION);
131	if (pvrusb2_debug) info("Debug mask is %d (0x%x)",
132				pvrusb2_debug,pvrusb2_debug);
133
134	return ret;
135}
136
137static void __exit pvr_exit(void)
138{
139
140	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
141
142#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
143	pvr2_sysfs_class_destroy(class_ptr);
144#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
145
146	usb_deregister(&pvr_driver);
147}
148
149module_init(pvr_init);
150module_exit(pvr_exit);
151
152/* Mike Isely <mcisely@pobox.com> 11-Mar-2006: See pvrusb2-hdw.c for
153   MODULE_DEVICE_TABLE().  We have to declare that attribute there
154   because that's where the device table actually is now and it seems
155   that certain gcc configurations get angry if MODULE_DEVICE_TABLE()
156   is used on what ends up being an external symbol. */
157MODULE_AUTHOR(DRIVER_AUTHOR);
158MODULE_DESCRIPTION(DRIVER_DESC);
159MODULE_LICENSE("GPL");
160
161
162/*
163  Stuff for Emacs to see, in order to encourage consistent editing style:
164  *** Local Variables: ***
165  *** mode: c ***
166  *** fill-column: 70 ***
167  *** tab-width: 8 ***
168  *** c-basic-offset: 8 ***
169  *** End: ***
170  */
171