kernel-ark/drivers/media/usb/pvrusb2/pvrusb2-main.c
Thomas Gleixner 2504ba9f59 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 53 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190602204653.904365654@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:07 +02:00

158 lines
3.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/videodev2.h>
#include "pvrusb2-hdw.h"
#include "pvrusb2-devattr.h"
#include "pvrusb2-context.h"
#include "pvrusb2-debug.h"
#include "pvrusb2-v4l2.h"
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
#include "pvrusb2-sysfs.h"
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
#define DRIVER_VERSION "V4L in-tree version"
#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
PVR2_TRACE_INFO| \
PVR2_TRACE_STD| \
PVR2_TRACE_TOLERANCE| \
PVR2_TRACE_TRAP| \
0)
int pvrusb2_debug = DEFAULT_DEBUG_MASK;
module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(debug, "Debug trace mask");
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
static struct pvr2_sysfs_class *class_ptr = NULL;
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
static void pvr_setup_attach(struct pvr2_context *pvr)
{
/* Create association with v4l layer */
pvr2_v4l2_create(pvr);
#ifdef CONFIG_VIDEO_PVRUSB2_DVB
/* Create association with dvb layer */
pvr2_dvb_create(pvr);
#endif
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
pvr2_sysfs_create(pvr,class_ptr);
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
}
static int pvr_probe(struct usb_interface *intf,
const struct usb_device_id *devid)
{
struct pvr2_context *pvr;
/* Create underlying hardware interface */
pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
if (!pvr) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"Failed to create hdw handler");
return -ENOMEM;
}
pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
usb_set_intfdata(intf, pvr);
return 0;
}
/*
* pvr_disconnect()
*
*/
static void pvr_disconnect(struct usb_interface *intf)
{
struct pvr2_context *pvr = usb_get_intfdata(intf);
pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
usb_set_intfdata (intf, NULL);
pvr2_context_disconnect(pvr);
pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
}
static struct usb_driver pvr_driver = {
.name = "pvrusb2",
.id_table = pvr2_device_table,
.probe = pvr_probe,
.disconnect = pvr_disconnect
};
/*
* pvr_init() / pvr_exit()
*
* This code is run to initialize/exit the driver.
*
*/
static int __init pvr_init(void)
{
int ret;
pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
ret = pvr2_context_global_init();
if (ret != 0) {
pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
return ret;
}
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
class_ptr = pvr2_sysfs_class_create();
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
ret = usb_register(&pvr_driver);
if (ret == 0)
pr_info("pvrusb2: " DRIVER_VERSION ":"
DRIVER_DESC "\n");
if (pvrusb2_debug)
pr_info("pvrusb2: Debug mask is %d (0x%x)\n",
pvrusb2_debug,pvrusb2_debug);
pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
return ret;
}
static void __exit pvr_exit(void)
{
pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
usb_deregister(&pvr_driver);
pvr2_context_global_done();
#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
pvr2_sysfs_class_destroy(class_ptr);
#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
}
module_init(pvr_init);
module_exit(pvr_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
MODULE_VERSION("0.9.1");