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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 | */ | |
17 | ||
18 | #include <linux/kernel.h> | |
19 | #include <linux/errno.h> | |
20 | #include <linux/module.h> | |
21 | #include <linux/usb.h> | |
22 | #include <linux/videodev2.h> | |
23 | ||
24 | #include "pvrusb2-hdw.h" | |
25 | #include "pvrusb2-devattr.h" | |
26 | #include "pvrusb2-context.h" | |
27 | #include "pvrusb2-debug.h" | |
28 | #include "pvrusb2-v4l2.h" | |
29 | #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS | |
30 | #include "pvrusb2-sysfs.h" | |
31 | #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ | |
32 | ||
33 | #define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>" | |
34 | #define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner" | |
35 | #define DRIVER_VERSION "V4L in-tree version" | |
36 | ||
37 | #define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \ | |
38 | PVR2_TRACE_INFO| \ | |
39 | PVR2_TRACE_STD| \ | |
40 | PVR2_TRACE_TOLERANCE| \ | |
41 | PVR2_TRACE_TRAP| \ | |
42 | 0) | |
43 | ||
44 | int pvrusb2_debug = DEFAULT_DEBUG_MASK; | |
45 | ||
46 | module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR); | |
47 | MODULE_PARM_DESC(debug, "Debug trace mask"); | |
48 | ||
49 | #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS | |
50 | static struct pvr2_sysfs_class *class_ptr = NULL; | |
51 | #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ | |
52 | ||
53 | static void pvr_setup_attach(struct pvr2_context *pvr) | |
54 | { | |
55 | /* Create association with v4l layer */ | |
56 | pvr2_v4l2_create(pvr); | |
57 | #ifdef CONFIG_VIDEO_PVRUSB2_DVB | |
58 | /* Create association with dvb layer */ | |
59 | pvr2_dvb_create(pvr); | |
60 | #endif | |
61 | #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS | |
62 | pvr2_sysfs_create(pvr,class_ptr); | |
63 | #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ | |
64 | } | |
65 | ||
66 | static int pvr_probe(struct usb_interface *intf, | |
67 | const struct usb_device_id *devid) | |
68 | { | |
69 | struct pvr2_context *pvr; | |
70 | ||
71 | /* Create underlying hardware interface */ | |
72 | pvr = pvr2_context_create(intf,devid,pvr_setup_attach); | |
73 | if (!pvr) { | |
74 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
75 | "Failed to create hdw handler"); | |
76 | return -ENOMEM; | |
77 | } | |
78 | ||
79 | pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr); | |
80 | ||
81 | usb_set_intfdata(intf, pvr); | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
86 | /* | |
87 | * pvr_disconnect() | |
88 | * | |
89 | */ | |
90 | static void pvr_disconnect(struct usb_interface *intf) | |
91 | { | |
92 | struct pvr2_context *pvr = usb_get_intfdata(intf); | |
93 | ||
94 | pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr); | |
95 | ||
96 | usb_set_intfdata (intf, NULL); | |
97 | pvr2_context_disconnect(pvr); | |
98 | ||
99 | pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr); | |
100 | ||
101 | } | |
102 | ||
103 | static struct usb_driver pvr_driver = { | |
104 | .name = "pvrusb2", | |
105 | .id_table = pvr2_device_table, | |
106 | .probe = pvr_probe, | |
107 | .disconnect = pvr_disconnect | |
108 | }; | |
109 | ||
110 | /* | |
111 | * pvr_init() / pvr_exit() | |
112 | * | |
113 | * This code is run to initialize/exit the driver. | |
114 | * | |
115 | */ | |
116 | static int __init pvr_init(void) | |
117 | { | |
118 | int ret; | |
119 | ||
120 | pvr2_trace(PVR2_TRACE_INIT,"pvr_init"); | |
121 | ||
122 | ret = pvr2_context_global_init(); | |
123 | if (ret != 0) { | |
124 | pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret); | |
125 | return ret; | |
126 | } | |
127 | ||
128 | #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS | |
129 | class_ptr = pvr2_sysfs_class_create(); | |
130 | #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ | |
131 | ||
132 | ret = usb_register(&pvr_driver); | |
133 | ||
134 | if (ret == 0) | |
135 | printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":" | |
136 | DRIVER_DESC "\n"); | |
137 | if (pvrusb2_debug) | |
138 | printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n", | |
139 | pvrusb2_debug,pvrusb2_debug); | |
140 | ||
141 | pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete"); | |
142 | ||
143 | return ret; | |
144 | } | |
145 | ||
146 | static void __exit pvr_exit(void) | |
147 | { | |
148 | pvr2_trace(PVR2_TRACE_INIT,"pvr_exit"); | |
149 | ||
150 | usb_deregister(&pvr_driver); | |
151 | ||
152 | pvr2_context_global_done(); | |
153 | ||
154 | #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS | |
155 | pvr2_sysfs_class_destroy(class_ptr); | |
156 | #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ | |
157 | ||
158 | pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete"); | |
159 | } | |
160 | ||
161 | module_init(pvr_init); | |
162 | module_exit(pvr_exit); | |
163 | ||
164 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
165 | MODULE_DESCRIPTION(DRIVER_DESC); | |
166 | MODULE_LICENSE("GPL"); | |
167 | MODULE_VERSION("0.9.1"); |