LXR linux/drivers/char/xilinx_hwicap/fifo

   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. */
  44int 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. */
  50int fifo_icap_set_configuration(
  51                struct hwicap_drvdata *drvdata,
  52                u32 *FrameBuffer,
  53                u32 NumWords);
  54
  55u32 fifo_icap_get_status(struct hwicap_drvdata *drvdata);
  56void fifo_icap_reset(struct hwicap_drvdata *drvdata);
  57void fifo_icap_flush_fifo(struct hwicap_drvdata *drvdata);
  58
  59#endif
  60