Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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_DEBUG_H
 21 #define __PVRUSB2_DEBUG_H
 22 
 23 extern int pvrusb2_debug;
 24 
 25 #define pvr2_trace(msk, fmt, arg...) do {if(msk & pvrusb2_debug) printk(KERN_INFO "pvrusb2: " fmt "\n", ##arg); } while (0)
 26 
 27 /* These are listed in *rough* order of decreasing usefulness and
 28    increasing noise level. */
 29 #define PVR2_TRACE_INFO       (1 <<  0) /* Normal messages */
 30 #define PVR2_TRACE_ERROR_LEGS (1 <<  1) /* error messages */
 31 #define PVR2_TRACE_TOLERANCE  (1 <<  2) /* track tolerance-affected errors */
 32 #define PVR2_TRACE_TRAP       (1 <<  3) /* Trap & report app misbehavior */
 33 #define PVR2_TRACE_STD        (1 <<  4) /* Log video standard stuff */
 34 #define PVR2_TRACE_INIT       (1 <<  5) /* misc initialization steps */
 35 #define PVR2_TRACE_START_STOP (1 <<  6) /* Streaming start / stop */
 36 #define PVR2_TRACE_CTL        (1 <<  7) /* commit of control changes */
 37 #define PVR2_TRACE_STATE      (1 <<  8) /* Device state changes */
 38 #define PVR2_TRACE_STBITS     (1 <<  9) /* Individual bit state changes */
 39 #define PVR2_TRACE_EEPROM     (1 << 10) /* eeprom parsing / report */
 40 #define PVR2_TRACE_STRUCT     (1 << 11) /* internal struct creation */
 41 #define PVR2_TRACE_OPEN_CLOSE (1 << 12) /* application open / close */
 42 #define PVR2_TRACE_CREG       (1 << 13) /* Main critical region entry / exit */
 43 #define PVR2_TRACE_SYSFS      (1 << 14) /* Sysfs driven I/O */
 44 #define PVR2_TRACE_FIRMWARE   (1 << 15) /* firmware upload actions */
 45 #define PVR2_TRACE_CHIPS      (1 << 16) /* chip broadcast operation */
 46 #define PVR2_TRACE_I2C        (1 << 17) /* I2C related stuff */
 47 #define PVR2_TRACE_I2C_CMD    (1 << 18) /* Software commands to I2C modules */
 48 #define PVR2_TRACE_I2C_CORE   (1 << 19) /* I2C core debugging */
 49 #define PVR2_TRACE_I2C_TRAF   (1 << 20) /* I2C traffic through the adapter */
 50 #define PVR2_TRACE_V4LIOCTL   (1 << 21) /* v4l ioctl details */
 51 #define PVR2_TRACE_ENCODER    (1 << 22) /* mpeg2 encoder operation */
 52 #define PVR2_TRACE_BUF_POOL   (1 << 23) /* Track buffer pool management */
 53 #define PVR2_TRACE_BUF_FLOW   (1 << 24) /* Track buffer flow in system */
 54 #define PVR2_TRACE_DATA_FLOW  (1 << 25) /* Track data flow */
 55 #define PVR2_TRACE_DEBUGIFC   (1 << 26) /* Debug interface actions */
 56 #define PVR2_TRACE_GPIO       (1 << 27) /* GPIO state bit changes */
 57 
 58 
 59 #endif /* __PVRUSB2_HDW_INTERNAL_H */
 60 
 61 /*
 62   Stuff for Emacs to see, in order to encourage consistent editing style:
 63   *** Local Variables: ***
 64   *** mode: c ***
 65   *** fill-column: 75 ***
 66   *** tab-width: 8 ***
 67   *** c-basic-offset: 8 ***
 68   *** End: ***
 69   */
 70 
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