1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *
4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
6 */
7
8#include <linux/kernel.h>
9#include <linux/errno.h>
10#include <linux/module.h>
11#include <linux/usb.h>
12#include <linux/videodev2.h>
13
14#include "pvrusb2-hdw.h"
15#include "pvrusb2-devattr.h"
16#include "pvrusb2-context.h"
17#include "pvrusb2-debug.h"
18#include "pvrusb2-v4l2.h"
19#include "pvrusb2-sysfs.h"
20
21#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
22#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
23#define DRIVER_VERSION "V4L in-tree version"
24
25#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
26 PVR2_TRACE_INFO| \
27 PVR2_TRACE_STD| \
28 PVR2_TRACE_TOLERANCE| \
29 PVR2_TRACE_TRAP| \
30 0)
31
32int pvrusb2_debug = DEFAULT_DEBUG_MASK;
33
34module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
35MODULE_PARM_DESC(debug, "Debug trace mask");
36
37static void pvr_setup_attach(struct pvr2_context *pvr)
38{
39 /* Create association with v4l layer */
40 pvr2_v4l2_create(pvr);
41#ifdef CONFIG_VIDEO_PVRUSB2_DVB
42 /* Create association with dvb layer */
43 pvr2_dvb_create(pvr);
44#endif
45 pvr2_sysfs_create(mp: pvr);
46}
47
48static int pvr_probe(struct usb_interface *intf,
49 const struct usb_device_id *devid)
50{
51 struct pvr2_context *pvr;
52
53 /* Create underlying hardware interface */
54 pvr = pvr2_context_create(intf,devid,setup_func: pvr_setup_attach);
55 if (!pvr) {
56 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
57 "Failed to create hdw handler");
58 return -ENOMEM;
59 }
60
61 pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
62
63 usb_set_intfdata(intf, data: pvr);
64
65 return 0;
66}
67
68/*
69 * pvr_disconnect()
70 *
71 */
72static void pvr_disconnect(struct usb_interface *intf)
73{
74 struct pvr2_context *pvr = usb_get_intfdata(intf);
75
76 pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
77
78 usb_set_intfdata (intf, NULL);
79 pvr2_context_disconnect(pvr);
80
81 pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
82
83}
84
85static struct usb_driver pvr_driver = {
86 .name = "pvrusb2",
87 .id_table = pvr2_device_table,
88 .probe = pvr_probe,
89 .disconnect = pvr_disconnect
90};
91
92/*
93 * pvr_init() / pvr_exit()
94 *
95 * This code is run to initialize/exit the driver.
96 *
97 */
98static int __init pvr_init(void)
99{
100 int ret;
101
102 pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
103
104 ret = pvr2_context_global_init();
105 if (ret != 0) {
106 pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
107 return ret;
108 }
109
110 pvr2_sysfs_class_create();
111
112 ret = usb_register(&pvr_driver);
113
114 if (ret == 0)
115 pr_info("pvrusb2: " DRIVER_VERSION ":"
116 DRIVER_DESC "\n");
117 if (pvrusb2_debug)
118 pr_info("pvrusb2: Debug mask is %d (0x%x)\n",
119 pvrusb2_debug,pvrusb2_debug);
120
121 pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
122
123 return ret;
124}
125
126static void __exit pvr_exit(void)
127{
128 pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
129
130 usb_deregister(&pvr_driver);
131
132 pvr2_context_global_done();
133
134 pvr2_sysfs_class_destroy();
135
136 pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
137}
138
139module_init(pvr_init);
140module_exit(pvr_exit);
141
142MODULE_AUTHOR(DRIVER_AUTHOR);
143MODULE_DESCRIPTION(DRIVER_DESC);
144MODULE_LICENSE("GPL");
145MODULE_VERSION("0.9.1");
146

source code of linux/drivers/media/usb/pvrusb2/pvrusb2-main.c