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