lib/gdi/lcd.cpp

   1 #include <lib/gdi/lcd.h>
   2
   3 #include <unistd.h>
   4 #include <fcntl.h>
   5 #include <sys/ioctl.h>
   6
   7 #include <dbox/fp.h>
   8 #include <dbox/lcd-ks0713.h>
   9
  10 #include <lib/gdi/esize.h>
  11 #include <lib/base/init.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/gdi/glcddc.h>
  14
  15 eDBoxLCD *eDBoxLCD::instance;
  16
  17 eLCD::eLCD(eSize size): res(size)
  18 {
  19         lcdfd = -1;
  20         locked=0;
  21         _buffer=new unsigned char[res.height()*res.width()];
  22         memset(_buffer, 0, res.height()*res.width());
  23         _stride=res.width();
  24 }
  25
  26 eLCD::~eLCD()
  27 {
  28         delete [] _buffer;
  29 }
  30
  31 int eLCD::lock()
  32 {
  33         if (locked)
  34                 return -1;
  35
  36         locked=1;
  37         return lcdfd;
  38 }
  39
  40 void eLCD::unlock()
  41 {
  42         locked=0;
  43 }
  44
  45 eDBoxLCD::eDBoxLCD(): eLCD(eSize(132, 64))
  46 {
  47         is_oled = 0;
  48 #ifndef NO_LCD
  49         lcdfd = open("/dev/dbox/oled0", O_RDWR);
  50         if (lcdfd < 0)
  51         {
  52                 FILE *f=fopen("/proc/stb/lcd/oled_brightness", "w");
  53                 if (!f)
  54                         f = fopen("/proc/stb/fp/oled_brightness", "w");
  55                 if (f)
  56                 {
  57                         is_oled = 2;
  58                         fclose(f);
  59                 }
  60                 lcdfd = open("/dev/dbox/lcd0", O_RDWR);
  61         } else
  62         {
  63                 eDebug("found OLED display!");
  64                 is_oled = 1;
  65         }
  66 #else
  67         lcdfd = -1;
  68 #endif
  69         instance=this;
  70
  71         if (lcdfd<0)
  72                 eDebug("couldn't open LCD - load lcd.o!");
  73         else
  74         {
  75                 int i=LCD_MODE_BIN;
  76                 ioctl(lcdfd, LCD_IOCTL_ASC_MODE, &i);
  77                 inverted=0;
  78         }
  79 }
  80
  81 void eDBoxLCD::setInverted(unsigned char inv)
  82 {
  83         inverted=inv;
  84         update();
  85 }
  86
  87 int eDBoxLCD::setLCDContrast(int contrast)
  88 {
  89         int fp;
  90         if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
  91         {
  92                 eDebug("[LCD] can't open /dev/dbox/fp0");
  93                 return(-1);
  94         }
  95
  96         if(ioctl(lcdfd, LCD_IOCTL_SRV, &contrast))
  97         {
  98                 eDebug("[LCD] can't set lcd contrast");
  99         }
 100         close(fp);
 101         return(0);
 102 }
 103
 104 int eDBoxLCD::setLCDBrightness(int brightness)
 105 {
 106         eDebug("setLCDBrightness %d", brightness);
 107         FILE *f=fopen("/proc/stb/lcd/oled_brightness", "w");
 108         if (!f)
 109                 f = fopen("/proc/stb/fp/oled_brightness", "w");
 110         if (f)
 111         {
 112                 if (fprintf(f, "%d", brightness) == 0)
 113                         eDebug("write /proc/stb/lcd/oled_brightness failed!! (%m)");
 114                 fclose(f);
 115         }
 116         else
 117         {
 118                 int fp;
 119                 if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
 120                 {
 121                         eDebug("[LCD] can't open /dev/dbox/fp0");
 122                         return(-1);
 123                 }
 124
 125                 if(ioctl(fp, FP_IOCTL_LCD_DIMM, &brightness)<=0)
 126                         eDebug("[LCD] can't set lcd brightness (%m)");
 127                 close(fp);
 128         }
 129         return(0);
 130 }
 131
 132 eDBoxLCD::~eDBoxLCD()
 133 {
 134         if (lcdfd>=0)
 135         {
 136                 close(lcdfd);
 137                 lcdfd=-1;
 138         }
 139 }
 140
 141 eDBoxLCD *eDBoxLCD::getInstance()
 142 {
 143         return instance;
 144 }
 145
 146 void eDBoxLCD::update()
 147 {
 148         if (!is_oled || is_oled == 2)
 149         {
 150                 unsigned char raw[132*8];
 151                 int x, y, yy;
 152                 for (y=0; y<8; y++)
 153                 {
 154                         for (x=0; x<132; x++)
 155                         {
 156                                 int pix=0;
 157                                 for (yy=0; yy<8; yy++)
 158                                 {
 159                                         pix|=(_buffer[(y*8+yy)*132+x]>=108)<<yy;
 160                                 }
 161                                 raw[y*132+x]=(pix^inverted);
 162                         }
 163                 }
 164                 if (lcdfd >= 0)
 165                         write(lcdfd, raw, 132*8);
 166         } else
 167         {
 168                 unsigned char raw[64*64];
 169                 int x, y;
 170                 memset(raw, 0, 64*64);
 171                 for (y=0; y<64; y++)
 172                 {
 173                         int pix=0;
 174                         for (x=0; x<128 / 2; x++)
 175                         {
 176                                 pix = (_buffer[y*132 + x * 2 + 2] & 0xF0) |(_buffer[y*132 + x * 2 + 1 + 2] >> 4);
 177                                 if (inverted)
 178                                         pix = 0xFF - pix;
 179                                 raw[y*64+x] = pix;
 180                         }
 181                 }
 182                 if (lcdfd >= 0)
 183                         write(lcdfd, raw, 64*64);
 184         }
 185 }
 186