mdp_version.h revision f7ad1a3b9d99f9c59be31819742855893192b2bb 
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_1    = 310,
52    MDP_V4_0    = 400,
53    MDP_V4_1    = 410,
54    MDP_V4_2    = 420,
55    MDP_V4_3    = 430,
56    MDP_V4_4    = 440,
57    MDSS_V5     = 500,
58};
59
60// chip variants have same major number and minor numbers usually vary
61// for e.g., MDSS_MDP_HW_REV_101 is 0x10010000
62//                                    1001       -  major number
63//                                        0000   -  minor number
64// 8x26 v1 minor number is 0000
65//      v2 minor number is 0001 etc..
66enum mdp_rev {
67    MDSS_MDP_HW_REV_100 = 0x10000000, //8974 v1
68    MDSS_MDP_HW_REV_101 = 0x10010000, //8x26
69    MDSS_MDP_HW_REV_102 = 0x10020000, //8974 v2
70    MDSS_MDP_HW_REV_103 = 0x10030000, //8084
71    MDSS_MDP_HW_REV_104 = 0x10040000, //Next version
72    MDSS_MDP_HW_REV_105 = 0x10050000, //Next version
73    MDSS_MDP_HW_REV_107 = 0x10070000, //Next version
74    MDSS_MDP_HW_REV_200 = 0x20000000, //8092
75    MDSS_MDP_HW_REV_206 = 0x20060000, //Future
76};
77
78enum {
79    MAX_DISPLAY_DIM = 2048,
80};
81
82#define NO_PANEL         '0'
83#define MDDI_PANEL       '1'
84#define EBI2_PANEL       '2'
85#define LCDC_PANEL       '3'
86#define EXT_MDDI_PANEL   '4'
87#define TV_PANEL         '5'
88#define DTV_PANEL        '7'
89#define MIPI_VIDEO_PANEL '8'
90#define MIPI_CMD_PANEL   '9'
91#define WRITEBACK_PANEL  'a'
92#define LVDS_PANEL       'b'
93#define EDP_PANEL        'c'
94
95class MDPVersion;
96
97struct Split {
98    int mLeft;
99    int mRight;
100    Split() : mLeft(0), mRight(0){}
101    int left() { return mLeft; }
102    int right() { return mRight; }
103    friend class MDPVersion;
104};
105
106class MDPVersion : public Singleton <MDPVersion>
107{
108public:
109    MDPVersion();
110    ~MDPVersion();
111    int getMDPVersion() {return mMDPVersion;}
112    char getPanelType() {return mPanelType;}
113    bool hasOverlay() {return mHasOverlay;}
114    uint8_t getTotalPipes() { return (mRGBPipes + mVGPipes + mDMAPipes);}
115    uint8_t getRGBPipes() { return mRGBPipes; }
116    uint8_t getVGPipes() { return mVGPipes; }
117    uint8_t getDMAPipes() { return mDMAPipes; }
118    bool supportsDecimation();
119    uint32_t getMaxMDPDownscale();
120    uint32_t getMaxMDPUpscale();
121    bool supportsBWC();
122    bool supportsMacroTile();
123    int getLeftSplit() { return mSplit.left(); }
124    int getRightSplit() { return mSplit.right(); }
125    unsigned long getLowBw() { return mLowBw; }
126    unsigned long getHighBw() { return mHighBw; }
127
128    bool is8x26() {
129        return (mMdpRev >= MDSS_MDP_HW_REV_101 and
130                mMdpRev < MDSS_MDP_HW_REV_102);
131    }
132    bool is8x74v2() {
133        return (mMdpRev >= MDSS_MDP_HW_REV_102 and
134                mMdpRev < MDSS_MDP_HW_REV_103);
135    }
136    bool is8084() {
137        return (mMdpRev >= MDSS_MDP_HW_REV_103 and
138                mMdpRev < MDSS_MDP_HW_REV_104);
139    }
140    bool is8092() {
141        return (mMdpRev >= MDSS_MDP_HW_REV_200 and
142                mMdpRev < MDSS_MDP_HW_REV_206);
143    }
144
145private:
146    bool updateSysFsInfo();
147    bool updatePanelInfo();
148    bool updateSplitInfo();
149    int tokenizeParams(char *inputParams, const char *delim,
150                        char* tokenStr[], int *idx);
151    int mFd;
152    int mMDPVersion;
153    char mPanelType;
154    bool mHasOverlay;
155    uint32_t mMdpRev;
156    uint8_t mRGBPipes;
157    uint8_t mVGPipes;
158    uint8_t mDMAPipes;
159    uint32_t mFeatures;
160    uint32_t mMDPDownscale;
161    uint32_t mMDPUpscale;
162    bool mMacroTileEnabled;
163    Split mSplit;
164    unsigned long mLowBw; //kbps
165    unsigned long mHighBw; //kbps
166};
167}; //namespace qdutils
168#endif //INCLUDE_LIBQCOMUTILS_MDPVER
169