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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* Copyright (c) 2012,
* Texas Instruments, Inc. and Vivante Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Texas Instruments, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL TEXAS INSTRUMENTS, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GCMAIN_H
#define GCMAIN_H
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <gcx.h>
#include <gcioctl.h>
#include <bltsville.h>
#include <bvinternal.h>
#include <bverror.h>
#define GC_DEV_NAME "gc2duser"
/*******************************************************************************
* Miscellaneous macros.
*/
/* Not present in userspace bltsville headers */
#define BVAT_PHYSDESC 0xDEADBEEF
#define gcalloc(type, size) \
(type *) malloc(size)
#define gcfree(ptr) \
free(ptr)
#define max(x, y) (x > y ? x : y)
#define min(x, y) (x < y ? x : y)
#define EXPORT_SYMBOL(sym)
#define gc_debug_blt(...)
typedef int64_t s64;
typedef uint64_t u64;
#define div_u64(x, y) ((x) / (y))
#define div_s64(x, y) ((x) / (y))
#define div64_u64(x, y) ((x) / (y))
#define div64_s64(x, y) ((x) / (y))
#define PAGE_SHIFT 12
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
/*******************************************************************************
* Not defined in bltsville userspace headers.
*/
struct bvphysdesc {
unsigned int structsize; /* used to identify struct version */
unsigned long pagesize; /* page size in bytes */
unsigned long *pagearray; /* array of physical pages */
unsigned int pagecount; /* number of pages in the pagearray */
unsigned long pageoffset; /* page offset in bytes */
};
/*******************************************************************************
* IOCTL wrappers.
*/
void gc_getcaps_wrapper(struct gcicaps *gcicaps);
void gc_map_wrapper(struct gcimap *gcimap);
void gc_unmap_wrapper(struct gcimap *gcimap);
void gc_commit_wrapper(struct gcicommit *gcicommit);
void gc_callback_wrapper(struct gcicallbackarm *gcicallbackarm);
/*******************************************************************************
* Surface allocation.
*/
enum bverror allocate_surface(struct bvbuffdesc **bvbuffdesc,
void **buffer,
unsigned int size);
void free_surface(struct bvbuffdesc *bvbuffdesc,
void *buffer);
/*******************************************************************************
* Floating point conversions.
*/
unsigned char gcfp2norm8(float value);
/*******************************************************************************
* Cache operation wrapper.
*/
enum bverror gcbvcacheop(int count, struct c2dmrgn rgn[],
enum bvcacheop cacheop);
/*******************************************************************************
* BLTsville API.
*/
void bv_init(void);
void bv_exit(void);
enum bverror bv_map(struct bvbuffdesc *buffdesc);
enum bverror bv_unmap(struct bvbuffdesc *buffdesc);
enum bverror bv_blt(struct bvbltparams *bltparams);
enum bverror bv_cache(struct bvcopparams *copparams);
#endif
|
