xref: /linux/drivers/media/usb/pvrusb2/pvrusb2-debugifc.h (revision 0337966d121ebebf73a1c346123e8112796e684e)
1 /*
2  *
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  */
16 #ifndef __PVRUSB2_DEBUGIFC_H
17 #define __PVRUSB2_DEBUGIFC_H
18 
19 struct pvr2_hdw;
20 
21 /* Print general status of driver.  This will also trigger a probe of
22    the USB link.  Unlike print_info(), this one synchronizes with the
23    driver so the information should be self-consistent (but it will
24    hang if the driver is wedged). */
25 int pvr2_debugifc_print_info(struct pvr2_hdw *,
26 			     char *buf_ptr, unsigned int buf_size);
27 
28 /* Non-intrusively print some useful debugging info from inside the
29    driver.  This should work even if the driver appears to be
30    wedged. */
31 int pvr2_debugifc_print_status(struct pvr2_hdw *,
32 			       char *buf_ptr,unsigned int buf_size);
33 
34 /* Parse a string command into a driver action. */
35 int pvr2_debugifc_docmd(struct pvr2_hdw *,
36 			const char *buf_ptr,unsigned int buf_size);
37 
38 #endif /* __PVRUSB2_DEBUGIFC_H */
39