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1// SPDX-License-Identifier: GPL-2.0-only2/*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_DVB42 /* Create association with dvb layer */43 pvr2_dvb_create(pvr);44#endif45 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_disconnect90};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