1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright 2005-2011 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/*
* Encoder device driver (kernel module headers)
*
* Copyright (C) 2005 Hantro Products Oy.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef _HMP4ENC_H_
#define _HMP4ENC_H_
#include <linux/ioctl.h> /* needed for the _IOW etc stuff used later */
/* this is for writing data through ioctl to registers*/
typedef struct {
unsigned long data;
unsigned long offset;
} write_t;
/*
* Ioctl definitions
*/
/* Use 'k' as magic number */
#define HMP4E_IOC_MAGIC 'k'
/*
* S means "Set" through a ptr,
* T means "Tell" directly with the argument value
* G means "Get": reply by setting through a pointer
* Q means "Query": response is on the return value
* X means "eXchange": G and S atomically
* H means "sHift": T and Q atomically
*/
#define HMP4E_IOCGBUFBUSADDRESS _IOR(HMP4E_IOC_MAGIC, 1, unsigned long *)
#define HMP4E_IOCGBUFSIZE _IOR(HMP4E_IOC_MAGIC, 2, unsigned int *)
#define HMP4E_IOCGHWOFFSET _IOR(HMP4E_IOC_MAGIC, 3, unsigned long *)
#define HMP4E_IOCGHWIOSIZE _IOR(HMP4E_IOC_MAGIC, 4, unsigned int *)
#define HMP4E_IOC_CLI _IO(HMP4E_IOC_MAGIC, 5)
#define HMP4E_IOC_STI _IO(HMP4E_IOC_MAGIC, 6)
#define HMP4E_IOCHARDRESET _IO(HMP4E_IOC_MAGIC, 7)
#define HMP4E_IOCSREGWRITE _IOW(HMP4E_IOC_MAGIC, 8, write_t)
#define HMP4E_IOCXREGREAD _IOWR(HMP4E_IOC_MAGIC, 9, unsigned long)
#define HMP4E_IOC_MAXNR 9
#endif /* !_HMP4ENC_H_ */
|
