mirror of https://gitee.com/openkylin/linux.git
168 lines
4.0 KiB
C
168 lines
4.0 KiB
C
/*
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*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/videodev2.h>
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#include "pvrusb2-hdw.h"
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#include "pvrusb2-devattr.h"
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#include "pvrusb2-context.h"
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#include "pvrusb2-debug.h"
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#include "pvrusb2-v4l2.h"
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#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
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#include "pvrusb2-sysfs.h"
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#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
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#define DRIVER_AUTHOR "Mike Isely <isely@pobox.com>"
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#define DRIVER_DESC "Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner"
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#define DRIVER_VERSION "V4L in-tree version"
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#define DEFAULT_DEBUG_MASK (PVR2_TRACE_ERROR_LEGS| \
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PVR2_TRACE_INFO| \
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PVR2_TRACE_STD| \
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PVR2_TRACE_TOLERANCE| \
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PVR2_TRACE_TRAP| \
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0)
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int pvrusb2_debug = DEFAULT_DEBUG_MASK;
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module_param_named(debug,pvrusb2_debug,int,S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug trace mask");
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#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
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static struct pvr2_sysfs_class *class_ptr = NULL;
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#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
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static void pvr_setup_attach(struct pvr2_context *pvr)
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{
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/* Create association with v4l layer */
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pvr2_v4l2_create(pvr);
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#ifdef CONFIG_VIDEO_PVRUSB2_DVB
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/* Create association with dvb layer */
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pvr2_dvb_create(pvr);
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#endif
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#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
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pvr2_sysfs_create(pvr,class_ptr);
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#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
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}
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static int pvr_probe(struct usb_interface *intf,
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const struct usb_device_id *devid)
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{
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struct pvr2_context *pvr;
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/* Create underlying hardware interface */
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pvr = pvr2_context_create(intf,devid,pvr_setup_attach);
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if (!pvr) {
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pvr2_trace(PVR2_TRACE_ERROR_LEGS,
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"Failed to create hdw handler");
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return -ENOMEM;
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}
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pvr2_trace(PVR2_TRACE_INIT,"pvr_probe(pvr=%p)",pvr);
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usb_set_intfdata(intf, pvr);
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return 0;
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}
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/*
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* pvr_disconnect()
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*
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*/
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static void pvr_disconnect(struct usb_interface *intf)
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{
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struct pvr2_context *pvr = usb_get_intfdata(intf);
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pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) BEGIN",pvr);
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usb_set_intfdata (intf, NULL);
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pvr2_context_disconnect(pvr);
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pvr2_trace(PVR2_TRACE_INIT,"pvr_disconnect(pvr=%p) DONE",pvr);
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}
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static struct usb_driver pvr_driver = {
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.name = "pvrusb2",
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.id_table = pvr2_device_table,
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.probe = pvr_probe,
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.disconnect = pvr_disconnect
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};
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/*
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* pvr_init() / pvr_exit()
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*
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* This code is run to initialize/exit the driver.
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*
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*/
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static int __init pvr_init(void)
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{
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int ret;
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pvr2_trace(PVR2_TRACE_INIT,"pvr_init");
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ret = pvr2_context_global_init();
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if (ret != 0) {
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pvr2_trace(PVR2_TRACE_INIT,"pvr_init failure code=%d",ret);
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return ret;
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}
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#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
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class_ptr = pvr2_sysfs_class_create();
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#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
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ret = usb_register(&pvr_driver);
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if (ret == 0)
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printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
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DRIVER_DESC "\n");
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if (pvrusb2_debug)
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printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
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pvrusb2_debug,pvrusb2_debug);
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pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
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return ret;
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}
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static void __exit pvr_exit(void)
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{
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pvr2_trace(PVR2_TRACE_INIT,"pvr_exit");
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usb_deregister(&pvr_driver);
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pvr2_context_global_done();
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#ifdef CONFIG_VIDEO_PVRUSB2_SYSFS
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pvr2_sysfs_class_destroy(class_ptr);
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#endif /* CONFIG_VIDEO_PVRUSB2_SYSFS */
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pvr2_trace(PVR2_TRACE_INIT,"pvr_exit complete");
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}
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module_init(pvr_init);
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module_exit(pvr_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL");
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MODULE_VERSION("0.9.1");
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