projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d855497e MI |
1 | /* |
| 2 | * $Id$ | |
| 3 | * | |
| 4 | * Copyright (C) 2005 Mike Isely <isely@pobox.com> | |
| 5 | * | |
| 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 | |
| 9 | * | |
| 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. | |
| 14 | * | |
| 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 | |
| 18 | * | |
| 19 | */ | |
| 20 | #ifndef __PVRUSB2_BASE_H | |
| 21 | #define __PVRUSB2_BASE_H | |
| 22 | ||
| 23 | #include <linux/mutex.h> | |
| 24 | #include <linux/usb.h> | |
| 25 | #include <linux/workqueue.h> | |
| 26 | ||
| 27 | struct pvr2_hdw; /* hardware interface - defined elsewhere */ | |
| 28 | struct pvr2_stream; /* stream interface - defined elsewhere */ | |
| 29 | ||
| 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 */ | |
| d855497e MI |
33 | struct pvr2_ioread; /* Low level stream structure */ |
| 34 | ||
| 35 | struct pvr2_context_stream { | |
| 36 | struct pvr2_channel *user; | |
| 37 | struct pvr2_stream *stream; | |
| 38 | }; | |
| 39 | ||
| 40 | struct pvr2_context { | |
| 41 | struct pvr2_channel *mc_first; | |
| 42 | struct pvr2_channel *mc_last; | |
| e5be15c6 MI |
43 | struct pvr2_context *exist_next; |
| 44 | struct pvr2_context *exist_prev; | |
| 45 | struct pvr2_context *notify_next; | |
| 46 | struct pvr2_context *notify_prev; | |
| d855497e MI |
47 | struct pvr2_hdw *hdw; |
| 48 | struct pvr2_context_stream video_stream; | |
| 49 | struct mutex mutex; | |
| 794b1607 | 50 | int notify_flag; |
| e5be15c6 | 51 | int initialized_flag; |
| d855497e | 52 | int disconnect_flag; |
| 794b1607 | 53 | |
| d855497e MI |
54 | /* Called after pvr2_context initialization is complete */ |
| 55 | void (*setup_func)(struct pvr2_context *); | |
| 56 | ||
| d855497e MI |
57 | }; |
| 58 | ||
| 59 | struct pvr2_channel { | |
| 60 | struct pvr2_context *mc_head; | |
| 61 | struct pvr2_channel *mc_next; | |
| 62 | struct pvr2_channel *mc_prev; | |
| 63 | struct pvr2_context_stream *stream; | |
| 64 | struct pvr2_hdw *hdw; | |
| 65 | void (*check_func)(struct pvr2_channel *); | |
| 66 | }; | |
| 67 | ||
| d855497e MI |
68 | struct pvr2_context *pvr2_context_create(struct usb_interface *intf, |
| 69 | const struct usb_device_id *devid, | |
| 70 | void (*setup_func)(struct pvr2_context *)); | |
| 71 | void pvr2_context_disconnect(struct pvr2_context *); | |
| 72 | ||
| 73 | void pvr2_channel_init(struct pvr2_channel *,struct pvr2_context *); | |
| 74 | void pvr2_channel_done(struct pvr2_channel *); | |
| 75 | int pvr2_channel_claim_stream(struct pvr2_channel *, | |
| 76 | struct pvr2_context_stream *); | |
| 77 | struct pvr2_ioread *pvr2_channel_create_mpeg_stream( | |
| 78 | struct pvr2_context_stream *); | |
| 79 | ||
| e5be15c6 MI |
80 | int pvr2_context_global_init(void); |
| 81 | void pvr2_context_global_done(void); | |
| d855497e MI |
82 | |
| 83 | #endif /* __PVRUSB2_CONTEXT_H */ | |
| 84 | /* | |
| 85 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
| 86 | *** Local Variables: *** | |
| 87 | *** mode: c *** | |
| 88 | *** fill-column: 75 *** | |
| 89 | *** tab-width: 8 *** | |
| 90 | *** c-basic-offset: 8 *** | |
| 91 | *** End: *** | |
| 92 | */ |