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
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 __DEBUG_H__
31 #define __DEBUG_H__
32 
33 #include <stdint.h>
34 #include <core/sdm_types.h>
35 #include <core/debug_interface.h>
36 #include <core/display_interface.h>
37 
38 #define DLOG(tag, method, format, ...) Debug::Get()->method(tag, __CLASS__ "::%s: " format, \
39                                                             __FUNCTION__, ##__VA_ARGS__)
40 
41 #define DLOGE_IF(tag, format, ...) DLOG(tag, Error, format, ##__VA_ARGS__)
42 #define DLOGW_IF(tag, format, ...) DLOG(tag, Warning, format, ##__VA_ARGS__)
43 #define DLOGI_IF(tag, format, ...) DLOG(tag, Info, format, ##__VA_ARGS__)
44 #define DLOGD_IF(tag, format, ...) DLOG(tag, Debug, format, ##__VA_ARGS__)
45 #define DLOGV_IF(tag, format, ...) DLOG(tag, Verbose, format, ##__VA_ARGS__)
46 
47 #define DLOGE(format, ...) DLOGE_IF(kTagNone, format, ##__VA_ARGS__)
48 #define DLOGD(format, ...) DLOGD_IF(kTagNone, format, ##__VA_ARGS__)
49 #define DLOGW(format, ...) DLOGW_IF(kTagNone, format, ##__VA_ARGS__)
50 #define DLOGI(format, ...) DLOGI_IF(kTagNone, format, ##__VA_ARGS__)
51 #define DLOGV(format, ...) DLOGV_IF(kTagNone, format, ##__VA_ARGS__)
52 
53 #define DTRACE_BEGIN(custom_string) Debug::Get()->BeginTrace(__CLASS__, __FUNCTION__, custom_string)
54 #define DTRACE_END() Debug::Get()->EndTrace()
55 #define DTRACE_SCOPED() ScopeTracer <Debug> scope_tracer(__CLASS__, __FUNCTION__)
56 
57 namespace sdm {
58 
59 class Debug {
60  public:
SetDebugHandler(DebugHandler * debug_handler)61   static inline void SetDebugHandler(DebugHandler *debug_handler) {
62     debug_.debug_handler_ = debug_handler;
63   }
Get()64   static inline DebugHandler* Get() { return debug_.debug_handler_; }
65   static int GetSimulationFlag();
66   static int GetHDMIResolution();
67   static uint32_t GetIdleTimeoutMs();
68   static int GetBootAnimLayerCount();
69   static bool IsRotatorDownScaleDisabled();
70   static bool IsDecimationDisabled();
71   static int GetMaxPipesPerMixer(DisplayType display_type);
72   static int GetMaxVideoUpscale();
73   static bool IsVideoModeEnabled();
74   static bool IsRotatorUbwcDisabled();
75   static bool IsRotatorSplitDisabled();
76   static bool IsScalarDisabled();
77   static bool IsUbwcTiledFrameBuffer();
78   static bool IsAVRDisabled();
79   static bool IsExtAnimDisabled();
80   static DisplayError GetMixerResolution(uint32_t *width, uint32_t *height);
81   static int GetExtMaxlayers();
82   static bool GetProperty(const char *property_name, char *value);
83   static bool SetProperty(const char *property_name, const char *value);
84 
85  private:
86   Debug();
87 
88   // By default, drop any log messages/traces coming from Display manager. It will be overriden by
89   // Display manager client when core is successfully initialized.
90   class DefaultDebugHandler : public DebugHandler {
91    public:
Error(DebugTag,const char *,...)92     virtual void Error(DebugTag /*tag*/, const char */*format*/, ...) { }
Warning(DebugTag,const char *,...)93     virtual void Warning(DebugTag /*tag*/, const char */*format*/, ...) { }
Info(DebugTag,const char *,...)94     virtual void Info(DebugTag /*tag*/, const char */*format*/, ...) { }
Debug(DebugTag,const char *,...)95     virtual void Debug(DebugTag /*tag*/, const char */*format*/, ...) { }
Verbose(DebugTag,const char *,...)96     virtual void Verbose(DebugTag /*tag*/, const char */*format*/, ...) { }
BeginTrace(const char *,const char *,const char *)97     virtual void BeginTrace(const char */*class_name*/, const char */*function_name*/,
98                             const char */*custom_string*/) { }
EndTrace()99     virtual void EndTrace() { }
GetProperty(const char *,int *)100     virtual DisplayError GetProperty(const char */*property_name*/, int */*value*/) {
101       return kErrorNotSupported;
102     }
GetProperty(const char *,char *)103     virtual DisplayError GetProperty(const char */*property_name*/, char */*value*/) {
104       return kErrorNotSupported;
105     }
SetProperty(const char *,const char *)106     virtual DisplayError SetProperty(const char */*property_name*/, const char */*value*/) {
107       return kErrorNotSupported;
108     }
109   };
110 
111   DefaultDebugHandler default_debug_handler_;
112   DebugHandler *debug_handler_;
113   static Debug debug_;
114 };
115 
116 }  // namespace sdm
117 
118 #endif  // __DEBUG_H__
119 
120