drivers/char/xilinx_hwicap/fifo_icap.h

   1 /*****************************************************************************
   2  *
   3  *     Author: Xilinx, Inc.
   4  *
   5  *     This program is free software; you can redistribute it and/or modify it
   6  *     under the terms of the GNU General Public License as published by the
   7  *     Free Software Foundation; either version 2 of the License, or (at your
   8  *     option) any later version.
   9  *
  10  *     XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS"
  11  *     AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND
  12  *     SOLUTIONS FOR XILINX DEVICES.  BY PROVIDING THIS DESIGN, CODE,
  13  *     OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE,
  14  *     APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION
  15  *     THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT,
  16  *     AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE
  17  *     FOR YOUR IMPLEMENTATION.  XILINX EXPRESSLY DISCLAIMS ANY
  18  *     WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE
  19  *     IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR
  20  *     REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF
  21  *     INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  22  *     FOR A PARTICULAR PURPOSE.
  23  *
  24  *     (c) Copyright 2007-2008 Xilinx Inc.
  25  *     All rights reserved.
  26  *
  27  *     You should have received a copy of the GNU General Public License along
  28  *     with this program; if not, write to the Free Software Foundation, Inc.,
  29  *     675 Mass Ave, Cambridge, MA 02139, USA.
  30  *
  31  *****************************************************************************/
  32
  33 #ifndef XILINX_FIFO_ICAP_H_     /* prevent circular inclusions */
  34 #define XILINX_FIFO_ICAP_H_     /* by using protection macros */
  35
  36 #include <linux/types.h>
  37 #include <linux/cdev.h>
  38 #include <linux/platform_device.h>
  39
  40 #include <asm/io.h>
  41 #include "xilinx_hwicap.h"
  42
  43 /* Reads integers from the device into the storage buffer. */
  44 int fifo_icap_get_configuration(
  45                 struct hwicap_drvdata *drvdata,
  46                 u32 *FrameBuffer,
  47                 u32 NumWords);
  48
  49 /* Writes integers to the device from the storage buffer. */
  50 int fifo_icap_set_configuration(
  51                 struct hwicap_drvdata *drvdata,
  52                 u32 *FrameBuffer,
  53                 u32 NumWords);
  54
  55 u32 fifo_icap_get_status(struct hwicap_drvdata *drvdata);
  56 void fifo_icap_reset(struct hwicap_drvdata *drvdata);
  57 void fifo_icap_flush_fifo(struct hwicap_drvdata *drvdata);
  58
  59 #endif