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#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
20#include "pvrusb2-sysfs.h"
21#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
22
23#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
24#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
25#define DRIVER_VERSION "V4L in-tree version"
26
27#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
28			    PVR2_TRACE_INFO| \
29			    PVR2_TRACE_STD| \
30			    PVR2_TRACE_TOLERANCE| \
31			    PVR2_TRACE_TRAP| \
32			    0)
33
34int pvrusb2_debug = DEFAULT_DEBUG_MASK;
35
36module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
37MODULE_PARM_DESC(debug, "Debug trace mask");
38
39#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
40static struct pvr2_sysfs_class *class_ptr = NULL;
41#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
42
43static void pvr_setup_attach(struct pvr2_context *pvr)
44{
45	/* Create association with v4l layer */
46	pvr2_v4l2_create(pvr);
47#ifdef CONFIG_VIDEO_PVRUSB2_DVB
48	/* Create association with dvb layer */
49	pvr2_dvb_create(pvr);
50#endif
51#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
52	pvr2_sysfs_create(pvr,class_ptr);
53#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
54}
55
56static int pvr_probe(struct usb_interface *intf,
57		     const struct usb_device_id *devid)
58{
59	struct pvr2_context *pvr;
60
61	/* Create underlying hardware interface */
62	pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
63	if (!pvr) {
64		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
65			   "Failed to create hdw handler");
66		return -ENOMEM;
67	}
68
69	pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
70
71	usb_set_intfdata(intf, pvr);
72
73	return 0;
74}
75
76/*
77 * pvr_disconnect()
78 *
79 */
80static void pvr_disconnect(struct usb_interface *intf)
81{
82	struct pvr2_context *pvr = usb_get_intfdata(intf);
83
84	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
85
86	usb_set_intfdata (intf, NULL);
87	pvr2_context_disconnect(pvr);
88
89	pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
90
91}
92
93static struct usb_driver pvr_driver = {
94	.name =         "pvrusb2",
95	.id_table =     pvr2_device_table,
96	.probe =        pvr_probe,
97	.disconnect =   pvr_disconnect
98};
99
100/*
101 * pvr_init() / pvr_exit()
102 *
103 * This code is run to initialize/exit the driver.
104 *
105 */
106static int __init pvr_init(void)
107{
108	int ret;
109
110	pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
111
112	ret = pvr2_context_global_init();
113	if (ret != 0) {
114		pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
115		return ret;
116	}
117
118#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
119	class_ptr = pvr2_sysfs_class_create();
120#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
121
122	ret = usb_register(&pvr_driver);
123
124	if (ret == 0)
125		pr_info("pvrusb2: " DRIVER_VERSION ":"
126		       DRIVER_DESC "\n");
127	if (pvrusb2_debug)
128		pr_info("pvrusb2: Debug mask is %d (0x%x)\n",
129		       pvrusb2_debug,pvrusb2_debug);
130
131	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
132
133	return ret;
134}
135
136static void __exit pvr_exit(void)
137{
138	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
139
140	usb_deregister(&pvr_driver);
141
142	pvr2_context_global_done();
143
144#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
145	pvr2_sysfs_class_destroy(class_ptr);
146#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
147
148	pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
149}
150
151module_init(pvr_init);
152module_exit(pvr_exit);
153
154MODULE_AUTHOR(DRIVER_AUTHOR);
155MODULE_DESCRIPTION(DRIVER_DESC);
156MODULE_LICENSE("GPL");
157MODULE_VERSION("0.9.1");
158