1 /*
2 * Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification, are permitted
5 * provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright notice, this list of
7 * conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright notice, this list of
9 * conditions and the following disclaimer in the documentation and/or other materials provided
10 * with the distribution.
11 * * Neither the name of The Linux Foundation nor the names of its contributors may be used to
12 * endorse or promote products derived from this software without specific prior written
13 * permission.
14 *
15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25 #ifndef __CONSTANTS_H__
26 #define __CONSTANTS_H__
27
28 #include <stdlib.h>
29 #include <inttypes.h>
30
31 #ifndef PRIu64
32 #define PRIu64 "llu"
33 #endif
34
35 #define INT(exp) static_cast<int>(exp)
36 #define FLOAT(exp) static_cast<float>(exp)
37 #define UINT8(exp) static_cast<uint8_t>(exp)
38 #define UINT16(exp) static_cast<uint16_t>(exp)
39 #define UINT32(exp) static_cast<uint32_t>(exp)
40 #define INT32(exp) static_cast<int32_t>(exp)
41 #define UINT64(exp) static_cast<uint64_t>(exp)
42
43 #define ROUND_UP(number, step) ((((number) + ((step) - 1)) / (step)) * (step))
44
45 #define BITMAP(bit) (1 << (bit))
46
47 #define ROUND_UP_ALIGN_DOWN(value, a) FLOAT(FloorToMultipleOf(UINT32(value + 0.5f), UINT32(a)))
48 #define ROUND_UP_ALIGN_UP(value, a) FLOAT(CeilToMultipleOf(UINT32(value + 0.5f), UINT32(a)))
49
50 #define IDLE_TIMEOUT_DEFAULT_MS 70
51
52 #define IS_RGB_FORMAT(format) (((format) < kFormatYCbCr420Planar) ? true: false)
53
54 #define BITS_PER_BYTE 8
55 #define BITS_TO_BYTES(x) (((x) + (BITS_PER_BYTE - 1)) / (BITS_PER_BYTE))
56
57 // factor value should be in powers of 2(eg: 1, 2, 4, 8)
58 template <class T1, class T2>
FloorToMultipleOf(const T1 & value,const T2 & factor)59 inline T1 FloorToMultipleOf(const T1 &value, const T2 &factor) {
60 return (T1)(value & (~(factor - 1)));
61 }
62
63 template <class T1, class T2>
CeilToMultipleOf(const T1 & value,const T2 & factor)64 inline T1 CeilToMultipleOf(const T1 &value, const T2 &factor) {
65 return (T1)((value + (factor - 1)) & (~(factor - 1)));
66 }
67
68 namespace sdm {
69
70 const int kThreadPriorityUrgent = -9;
71 const int kMaxRotatePerLayer = 2;
72 const uint32_t kMaxBlitTargetLayers = 2;
73 const int kPageSize = 4096;
74 const int kMaxThermalLevel = 3;
75
76 typedef void * Handle;
77
78 } // namespace sdm
79
80 #endif // __CONSTANTS_H__
81
82