4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #ifndef __PVRUSB2_BASE_H
21 #define __PVRUSB2_BASE_H
23 #include <linux/mutex.h>
24 #include <linux/usb.h>
25 #include <linux/workqueue.h>
27 struct pvr2_hdw; /* hardware interface - defined elsewhere */
28 struct pvr2_stream; /* stream interface - defined elsewhere */
30 struct pvr2_context; /* All central state */
31 struct pvr2_channel; /* One I/O pathway to a user */
32 struct pvr2_context_stream; /* Wrapper for a stream */
33 struct pvr2_ioread; /* Low level stream structure */
35 struct pvr2_context_stream {
36 struct pvr2_channel *user;
37 struct pvr2_stream *stream;
41 struct pvr2_channel *mc_first;
42 struct pvr2_channel *mc_last;
43 struct pvr2_context *exist_next;
44 struct pvr2_context *exist_prev;
45 struct pvr2_context *notify_next;
46 struct pvr2_context *notify_prev;
48 struct pvr2_context_stream video_stream;
54 /* Called after pvr2_context initialization is complete */
55 void (*setup_func)(struct pvr2_context *);
60 struct pvr2_context *mc_head;
61 struct pvr2_channel *mc_next;
62 struct pvr2_channel *mc_prev;
63 struct pvr2_context_stream *stream;
65 unsigned int input_mask;
66 void (*check_func)(struct pvr2_channel *);
69 struct pvr2_context *pvr2_context_create(struct usb_interface *intf,
70 const struct usb_device_id *devid,
71 void (*setup_func)(struct pvr2_context *));
72 void pvr2_context_disconnect(struct pvr2_context *);
74 void pvr2_channel_init(struct pvr2_channel *,struct pvr2_context *);
75 void pvr2_channel_done(struct pvr2_channel *);
76 int pvr2_channel_limit_inputs(struct pvr2_channel *,unsigned int);
77 unsigned int pvr2_channel_get_limited_inputs(struct pvr2_channel *);
78 int pvr2_channel_claim_stream(struct pvr2_channel *,
79 struct pvr2_context_stream *);
80 struct pvr2_ioread *pvr2_channel_create_mpeg_stream(
81 struct pvr2_context_stream *);
83 int pvr2_context_global_init(void);
84 void pvr2_context_global_done(void);
86 #endif /* __PVRUSB2_CONTEXT_H */
88 Stuff for Emacs to see, in order to encourage consistent editing style:
89 *** Local Variables: ***
91 *** fill-column: 75 ***
93 *** c-basic-offset: 8 ***