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      1 /*
      2 // Copyright(c)2014 IntelCorporation
      3 //
      4 // LicensedundertheApacheLicense,Version2.0(the"License");
      5 // youmaynotusethisfileexceptincompliancewiththeLicense.
      6 // YoumayobtainacopyoftheLicenseat
      7 //
      8 // http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unlessrequiredbyapplicablelaworagreedtoinwriting,software
     11 // distributedundertheLicenseisdistributedonan"ASIS"BASIS,
     12 // WITHOUTWARRANTIESORCONDITIONSOFANYKIND,eitherexpressorimplied.
     13 // SeetheLicenseforthespecificlanguagegoverningpermissionsand
     14 // limitationsundertheLicense.
     15 */
     16 #include <HwcTrace.h>
     17 #include <IDisplayDevice.h>
     18 #include <Drm.h>
     19 #include <DrmConfig.h>
     20 
     21 
     22 namespace android {
     23 namespace intel {
     24 
     25 const char* DrmConfig::getDrmPath()
     26 {
     27     return "/dev/card0";
     28 }
     29 
     30 uint32_t DrmConfig::getDrmConnector(int device)
     31 {
     32     if (device == IDisplayDevice::DEVICE_PRIMARY)
     33         return DRM_MODE_CONNECTOR_DSI;
     34     else if (device == IDisplayDevice::DEVICE_EXTERNAL)
     35         return DRM_MODE_CONNECTOR_DVID;
     36     return DRM_MODE_CONNECTOR_Unknown;
     37 }
     38 
     39 uint32_t DrmConfig::getDrmEncoder(int device)
     40 {
     41     if (device == IDisplayDevice::DEVICE_PRIMARY)
     42         return DRM_MODE_ENCODER_DSI;
     43     else if (device == IDisplayDevice::DEVICE_EXTERNAL)
     44         return DRM_MODE_ENCODER_TMDS;
     45     return DRM_MODE_ENCODER_NONE;
     46 }
     47 
     48 uint32_t DrmConfig::getFrameBufferFormat()
     49 {
     50     return HAL_PIXEL_FORMAT_RGBX_8888;
     51 }
     52 
     53 uint32_t DrmConfig::getFrameBufferDepth()
     54 {
     55     return 24;
     56 }
     57 
     58 uint32_t DrmConfig::getFrameBufferBpp()
     59 {
     60     return 32;
     61 }
     62 
     63 const char* DrmConfig::getUeventEnvelope()
     64 {
     65     return "change@/devices/pci0000:00/0000:00:02.0/drm/card0";
     66 }
     67 
     68 const char* DrmConfig::getHotplugString()
     69 {
     70     return "HOTPLUG=1";
     71 }
     72 
     73 const char* DrmConfig::getRepeatedFrameString()
     74 {
     75     return "REPEATED_FRAME";
     76 }
     77 
     78 uint32_t DrmConfig::convertHalFormatToDrmFormat(uint32_t halFormat)
     79 {
     80     switch (halFormat) {
     81         case HAL_PIXEL_FORMAT_RGBX_8888:
     82             return DRM_FORMAT_XRGB8888;
     83         default:
     84             ETRACE("format %#x isn't supported by drm", halFormat);
     85             return 0;
     86     }
     87 }
     88 
     89 } // namespace intel
     90 } // namespace android
     91