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 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <linux/kernel.h> 23 #include <linux/errno.h> 24 #include <linux/module.h> 25 #include <linux/usb.h> 26 #include <linux/videodev2.h> 27 28 #include "pvrusb2-hdw.h" 29 #include "pvrusb2-devattr.h" 30 #include "pvrusb2-context.h" 31 #include "pvrusb2-debug.h" 32 #include "pvrusb2-v4l2.h" 33 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS 34 #include "pvrusb2-sysfs.h" 35 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ 36 37 #define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>" 38 #define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner" 39 #define DRIVER_VERSION "V4L in-tree version" 40 41 #define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \ 42 PVR2_TRACE_INFO| \ 43 PVR2_TRACE_STD| \ 44 PVR2_TRACE_TOLERANCE| \ 45 PVR2_TRACE_TRAP| \ 46 0) 47 48 int pvrusb2_debug = DEFAULT_DEBUG_MASK; 49 50 module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR); 51 MODULE_PARM_DESC(debug, "Debug trace mask"); 52 53 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS 54 static struct pvr2_sysfs_class *class_ptr = NULL; 55 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ 56 57 static void pvr_setup_attach(struct pvr2_context *pvr) 58 { 59 /* Create association with v4l layer */ 60 pvr2_v4l2_create(pvr); 61 #ifdef CONFIG_VIDEO_PVRUSB2_DVB 62 /* Create association with dvb layer */ 63 pvr2_dvb_create(pvr); 64 #endif 65 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS 66 pvr2_sysfs_create(pvr,class_ptr); 67 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ 68 } 69 70 static int pvr_probe(struct usb_interface *intf, 71 const struct usb_device_id *devid) 72 { 73 struct pvr2_context *pvr; 74 75 /* Create underlying hardware interface */ 76 pvr = pvr2_context_create(intf,devid,pvr_setup_attach); 77 if (!pvr) { 78 pvr2_trace(PVR2_TRACE_ERROR_LEGS, 79 "Failed to create hdw handler"); 80 return -ENOMEM; 81 } 82 83 pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr); 84 85 usb_set_intfdata(intf, pvr); 86 87 return 0; 88 } 89 90 /* 91 * pvr_disconnect() 92 * 93 */ 94 static void pvr_disconnect(struct usb_interface *intf) 95 { 96 struct pvr2_context *pvr = usb_get_intfdata(intf); 97 98 pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr); 99 100 usb_set_intfdata (intf, NULL); 101 pvr2_context_disconnect(pvr); 102 103 pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr); 104 105 } 106 107 static struct usb_driver pvr_driver = { 108 .name = "pvrusb2", 109 .id_table = pvr2_device_table, 110 .probe = pvr_probe, 111 .disconnect = pvr_disconnect 112 }; 113 114 /* 115 * pvr_init() / pvr_exit() 116 * 117 * This code is run to initialize/exit the driver. 118 * 119 */ 120 static int __init pvr_init(void) 121 { 122 int ret; 123 124 pvr2_trace(PVR2_TRACE_INIT,"pvr_init"); 125 126 ret = pvr2_context_global_init(); 127 if (ret != 0) { 128 pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret); 129 return ret; 130 } 131 132 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS 133 class_ptr = pvr2_sysfs_class_create(); 134 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ 135 136 ret = usb_register(&pvr_driver); 137 138 if (ret == 0) 139 printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":" 140 DRIVER_DESC "\n"); 141 if (pvrusb2_debug) 142 printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n", 143 pvrusb2_debug,pvrusb2_debug); 144 145 pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete"); 146 147 return ret; 148 } 149 150 static void __exit pvr_exit(void) 151 { 152 pvr2_trace(PVR2_TRACE_INIT,"pvr_exit"); 153 154 usb_deregister(&pvr_driver); 155 156 pvr2_context_global_done(); 157 158 #ifdef CONFIG_VIDEO_PVRUSB2_SYSFS 159 pvr2_sysfs_class_destroy(class_ptr); 160 #endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */ 161 162 pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete"); 163 } 164 165 module_init(pvr_init); 166 module_exit(pvr_exit); 167 168 MODULE_AUTHOR(DRIVER_AUTHOR); 169 MODULE_DESCRIPTION(DRIVER_DESC); 170 MODULE_LICENSE("GPL"); 171 MODULE_VERSION("0.9.1"); 172