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)
58template <class T1, class T2>
59inline T1 FloorToMultipleOf(const T1 &value, const T2 &factor) {
60  return (T1)(value & (~(factor - 1)));
61}
62
63template <class T1, class T2>
64inline T1 CeilToMultipleOf(const T1 &value, const T2 &factor) {
65  return (T1)((value + (factor - 1)) & (~(factor - 1)));
66}
67
68namespace 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