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
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  21  *     INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  22  *     FOR A PARTICULAR PURPOSE.
  23  *
  24  *     Xilinx products are not intended for use in life support appliances,
  25  *     devices, or systems. Use in such applications is expressly prohibited.
  26  *
  27  *     (c) Copyright 2007-2008 Xilinx Inc.
  28  *     All rights reserved.
  29  *
  30  *     You should have received a copy of the GNU General Public License along
  31  *     with this program; if not, write to the Free Software Foundation, Inc.,
  32  *     675 Mass Ave, Cambridge, MA 02139, USA.
  33  *
  34  *****************************************************************************/
  35
  36 #ifndef XILINX_FIFO_ICAP_H_     /* prevent circular inclusions */
  37 #define XILINX_FIFO_ICAP_H_     /* by using protection macros */
  38
  39 #include <linux/types.h>
  40 #include <linux/cdev.h>
  41 #include <linux/platform_device.h>
  42
  43 #include <asm/io.h>
  44 #include "xilinx_hwicap.h"
  45
  46 /* Reads integers from the device into the storage buffer. */
  47 int fifo_icap_get_configuration(
  48                 struct hwicap_drvdata *drvdata,
  49                 u32 *FrameBuffer,
  50                 u32 NumWords);
  51
  52 /* Writes integers to the device from the storage buffer. */
  53 int fifo_icap_set_configuration(
  54                 struct hwicap_drvdata *drvdata,
  55                 u32 *FrameBuffer,
  56                 u32 NumWords);
  57
  58 u32 fifo_icap_get_status(struct hwicap_drvdata *drvdata);
  59 void fifo_icap_reset(struct hwicap_drvdata *drvdata);
  60 void fifo_icap_flush_fifo(struct hwicap_drvdata *drvdata);
  61
  62 #endif