src/jtag/drivers/bitq.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Pavel Chromy                                    *
   3  *   chromy@asix.cz                                                        *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   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                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  19  ***************************************************************************/
  20
  21 #ifndef BITQ_H
  22 #define BITQ_H
  23
  24 #include <jtag/commands.h>
  25
  26 struct bitq_interface {
  27         /* function to enqueueing low level IO requests */
  28         int (*out)(int tms, int tdi, int tdo_req);
  29         int (*flush)(void);
  30
  31         int (*sleep)(unsigned long us);
  32         int (*reset)(int trst, int srst);
  33
  34         /* delayed read of requested TDO data,
  35          * the input shall be checked after call to any enqueuing function
  36          */
  37         int (*in_rdy)(void);
  38         int (*in)(void);
  39 };
  40
  41 extern struct bitq_interface *bitq_interface;
  42
  43 int bitq_execute_queue(void);
  44
  45 void bitq_cleanup(void);
  46
  47 #endif /* BITQ_H */