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2504ba9f59
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>
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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*/
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#ifndef __PVRUSB2_CONTEXT_H
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#define __PVRUSB2_CONTEXT_H
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#include <linux/mutex.h>
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#include <linux/usb.h>
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#include <linux/workqueue.h>
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struct pvr2_hdw; /* hardware interface - defined elsewhere */
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struct pvr2_stream; /* stream interface - defined elsewhere */
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struct pvr2_context; /* All central state */
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struct pvr2_channel; /* One I/O pathway to a user */
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struct pvr2_context_stream; /* Wrapper for a stream */
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struct pvr2_ioread; /* Low level stream structure */
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struct pvr2_context_stream {
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struct pvr2_channel *user;
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struct pvr2_stream *stream;
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};
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struct pvr2_context {
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struct pvr2_channel *mc_first;
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struct pvr2_channel *mc_last;
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struct pvr2_context *exist_next;
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struct pvr2_context *exist_prev;
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struct pvr2_context *notify_next;
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struct pvr2_context *notify_prev;
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struct pvr2_hdw *hdw;
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struct pvr2_context_stream video_stream;
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struct mutex mutex;
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int notify_flag;
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int initialized_flag;
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int disconnect_flag;
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/* Called after pvr2_context initialization is complete */
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void (*setup_func)(struct pvr2_context *);
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};
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struct pvr2_channel {
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struct pvr2_context *mc_head;
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struct pvr2_channel *mc_next;
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struct pvr2_channel *mc_prev;
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struct pvr2_context_stream *stream;
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struct pvr2_hdw *hdw;
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unsigned int input_mask;
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void (*check_func)(struct pvr2_channel *);
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};
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struct pvr2_context *pvr2_context_create(struct usb_interface *intf,
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const struct usb_device_id *devid,
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void (*setup_func)(struct pvr2_context *));
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void pvr2_context_disconnect(struct pvr2_context *);
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void pvr2_channel_init(struct pvr2_channel *,struct pvr2_context *);
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void pvr2_channel_done(struct pvr2_channel *);
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int pvr2_channel_limit_inputs(struct pvr2_channel *,unsigned int);
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unsigned int pvr2_channel_get_limited_inputs(struct pvr2_channel *);
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int pvr2_channel_claim_stream(struct pvr2_channel *,
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struct pvr2_context_stream *);
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struct pvr2_ioread *pvr2_channel_create_mpeg_stream(
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struct pvr2_context_stream *);
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int pvr2_context_global_init(void);
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void pvr2_context_global_done(void);
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#endif /* __PVRUSB2_CONTEXT_H */
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