1/*
2 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
3
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *   * Redistributions of source code must retain the above copyright
8 *     notice, this list of conditions and the following disclaimer.
9 *   * Redistributions in binary form must reproduce the above
10 *     copyright notice, this list of conditions and the following
11 *     disclaimer in the documentation and/or other materials provided
12 *     with the distribution.
13 *   * Neither the name of The Linux Foundation nor the names of its
14 *     contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef INCLUDE_LIBQCOMUTILS_MDPVER
31#define INCLUDE_LIBQCOMUTILS_MDPVER
32
33#include <stdint.h>
34#include <utils/Singleton.h>
35#include <cutils/properties.h>
36
37/* This class gets the MSM type from the soc info
38*/
39using namespace android;
40namespace qdutils {
41// These panel definitions are available at mdss_mdp.h which is internal header
42// file and is not available at <linux/mdss_mdp.h>.
43// ToDo: once it is available at linux/mdss_mdp.h, these below definitions can
44// be removed.
45enum mdp_version {
46    MDP_V_UNKNOWN = 0,
47    MDP_V2_2    = 220,
48    MDP_V3_0    = 300,
49    MDP_V3_0_3  = 303,
50    MDP_V3_0_4  = 304,
51    MDP_V3_0_5  = 305,
52    MDP_V3_1    = 310,
53    MDP_V4_0    = 400,
54    MDP_V4_1    = 410,
55    MDP_V4_2    = 420,
56    MDP_V4_3    = 430,
57    MDP_V4_4    = 440,
58    MDSS_V5     = 500,
59};
60
61#define NO_PANEL         '0'
62#define MDDI_PANEL       '1'
63#define EBI2_PANEL       '2'
64#define LCDC_PANEL       '3'
65#define EXT_MDDI_PANEL   '4'
66#define TV_PANEL         '5'
67#define DTV_PANEL        '7'
68#define MIPI_VIDEO_PANEL '8'
69#define MIPI_CMD_PANEL   '9'
70#define WRITEBACK_PANEL  'a'
71#define LVDS_PANEL       'b'
72#define EDP_PANEL        'c'
73
74class MDPVersion;
75
76struct Split {
77    int mLeft;
78    int mRight;
79    Split() : mLeft(0), mRight(0){}
80    int left() { return mLeft; }
81    int right() { return mRight; }
82    friend class MDPVersion;
83};
84
85struct PanelInfo {
86    char mType;                  // Smart or Dumb
87    int mPartialUpdateEnable;    // Partial update feature
88    int mLeftAlign;              // ROI left alignment restriction
89    int mWidthAlign;             // ROI width alignment restriction
90    int mTopAlign;               // ROI top alignment restriction
91    int mHeightAlign;            // ROI height alignment restriction
92    int mMinROIWidth;            // Min width needed for ROI
93    int mMinROIHeight;           // Min height needed for ROI
94    bool mNeedsROIMerge;         // Merge ROI's of both the DSI's
95    bool mDynFpsSupported;       // Panel Supports dyn fps
96    uint32_t mMinFps;            // Min fps supported by panel
97    uint32_t mMaxFps;            // Max fps supported by panel
98    PanelInfo() : mType(NO_PANEL), mPartialUpdateEnable(0),
99    mLeftAlign(0), mWidthAlign(0), mTopAlign(0), mHeightAlign(0),
100    mMinROIWidth(0), mMinROIHeight(0), mNeedsROIMerge(false),
101    mDynFpsSupported(0), mMinFps(0), mMaxFps(0) {}
102    friend class MDPVersion;
103};
104
105class MDPVersion : public Singleton <MDPVersion>
106{
107public:
108    MDPVersion();
109    ~MDPVersion();
110    int getMDPVersion() {return mMDPVersion;}
111    char getPanelType() {return mPanelInfo.mType;}
112    bool hasOverlay() {return mHasOverlay;}
113    uint8_t getTotalPipes() {
114        return (uint8_t)(mRGBPipes + mVGPipes + mDMAPipes);
115    }
116    uint8_t getRGBPipes() { return mRGBPipes; }
117    uint8_t getVGPipes() { return mVGPipes; }
118    uint8_t getDMAPipes() { return mDMAPipes; }
119    bool supportsDecimation();
120    uint32_t getMaxMDPDownscale();
121    uint32_t getMaxMDPUpscale();
122    bool supportsBWC();
123    bool supportsMacroTile();
124    int getLeftSplit() { return mSplit.left(); }
125    int getRightSplit() { return mSplit.right(); }
126    bool isPartialUpdateEnabled() { return mPanelInfo.mPartialUpdateEnable; }
127    int getLeftAlign() { return mPanelInfo.mLeftAlign; }
128    int getWidthAlign() { return mPanelInfo.mWidthAlign; }
129    int getTopAlign() { return mPanelInfo.mTopAlign; }
130    int getHeightAlign() { return mPanelInfo.mHeightAlign; }
131    int getMinROIWidth() { return mPanelInfo.mMinROIWidth; }
132    int getMinROIHeight() { return mPanelInfo.mMinROIHeight; }
133    bool needsROIMerge() { return mPanelInfo.mNeedsROIMerge; }
134    unsigned long getLowBw() { return mLowBw; }
135    unsigned long getHighBw() { return mHighBw; }
136    bool isRotDownscaleEnabled() { return mRotDownscale; }
137    bool isDynFpsSupported() { return mPanelInfo.mDynFpsSupported; }
138    uint32_t getMinFpsSupported() { return mPanelInfo.mMinFps; }
139    uint32_t getMaxFpsSupported() { return mPanelInfo.mMaxFps; }
140    uint32_t getMaxMixerWidth() const { return mMaxMixerWidth; }
141    bool hasMinCropWidthLimitation() const;
142    bool isSrcSplit() const;
143    bool isSrcSplitAlways() const;
144    bool isRGBScalarSupported() const;
145    bool is8x26();
146    bool is8x74v2();
147    bool is8084();
148    bool is8092();
149    bool is8994();
150    bool is8x16();
151    bool is8x39();
152
153private:
154    bool updateSysFsInfo();
155    void updatePanelInfo();
156    bool updateSplitInfo();
157    int tokenizeParams(char *inputParams, const char *delim,
158                        char* tokenStr[], int *idx);
159    int mFd;
160    int mMDPVersion;
161    bool mHasOverlay;
162    uint32_t mMdpRev;
163    uint8_t mRGBPipes;
164    uint8_t mVGPipes;
165    uint8_t mDMAPipes;
166    uint32_t mFeatures;
167    uint32_t mMDPDownscale;
168    uint32_t mMDPUpscale;
169    bool mMacroTileEnabled;
170    Split mSplit;
171    PanelInfo mPanelInfo;
172    unsigned long mLowBw; //kbps
173    unsigned long mHighBw; //kbps
174    bool mSourceSplit;
175    //Additional property on top of source split
176    bool mSourceSplitAlways;
177    bool mRGBHasNoScalar;
178    bool mRotDownscale;
179    uint32_t mMaxMixerWidth; //maximum x-res of a given mdss mixer.
180};
181}; //namespace qdutils
182#endif //INCLUDE_LIBQCOMUTILS_MDPVER
183