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(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,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, 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