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kernel/linux-rt-4.4.41/drivers/media/usb/pwc/pwc-timon.h 2.37 KB
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  /* Linux driver for Philips webcam
     (C) 2004-2006 Luc Saillard (luc@saillard.org)
  
     NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
     driver and thus may have bugs that are not present in the original version.
     Please send bug reports and support requests to <luc@saillard.org>.
     The decompression routines have been implemented by reverse-engineering the
     Nemosoft binary pwcx module. Caveat emptor.
  
     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, or
     (at your option) any later version.
  
     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.
  
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
  
  
  
  /* This tables contains entries for the 675/680/690 (Timon) camera, with
     4 different qualities (no compression, low, medium, high).
     It lists the bandwidth requirements for said mode by its alternate interface
     number. An alternate of 0 means that the mode is unavailable.
  
     There are 6 * 4 * 4 entries:
       6 different resolutions subqcif, qsif, qcif, sif, cif, vga
       6 framerates: 5, 10, 15, 20, 25, 30
       4 compression modi: none, low, medium, high
  
     When an uncompressed mode is not available, the next available compressed mode
     will be chosen (unless the decompressor is absent). Sometimes there are only
     1 or 2 compressed modes available; in that case entries are duplicated.
  */
  
  #ifndef PWC_TIMON_H
  #define PWC_TIMON_H
  
  #include "pwc.h"
  
  #define PWC_FPS_MAX_TIMON 6
  
  struct Timon_table_entry
  {
  	char alternate;			/* USB alternate interface */
  	unsigned short packetsize;	/* Normal packet size */
  	unsigned short bandlength;	/* Bandlength when decompressing */
  	unsigned char mode[13];		/* precomputed mode settings for cam */
  };
  
  extern const struct Timon_table_entry Timon_table[PSZ_MAX][PWC_FPS_MAX_TIMON][4];
  extern const unsigned int TimonRomTable [16][2][16][8];
  extern const unsigned int Timon_fps_vector[PWC_FPS_MAX_TIMON];
  
  #endif