xref: /linux/drivers/char/xilinx_hwicap/fifo_icap.h (revision 0b88641f1bafdbd087d5e63987a30cc0eadd63b9)
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
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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
63