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 34 int pvrusb2_debug = DEFAULT_DEBUG_MASK; 35 36 module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR); 37 MODULE_PARM_DESC(debug, "Debug trace mask"); 38 39 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS 40 static struct pvr2_sysfs_class *class_ptr = NULL; 41 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ 42 43 static 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 56 static 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 */ 80 static 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 93 static 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 */ 106 static 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 } 135 136 static 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 } 150 151 module_init(pvr_init); 152 module_exit(pvr_exit); 153 154 MODULE_AUTHOR(DRIVER_AUTHOR); 155 MODULE_DESCRIPTION(DRIVER_DESC); 156 MODULE_LICENSE("GPL"); 157 MODULE_VERSION("0.9.1"); 158