code.vuplus.com Git - vuplus_dvbapp/blob - 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()
  18 {
  19         lcdfd = -1;
  20         locked=0;
  21 }
  22
  23 void eLCD::setSize(int xres, int yres, int bpp)
  24 {
  25         res = eSize(xres, yres);
  26         _buffer=new unsigned char[xres * yres * bpp/8];
  27         memset(_buffer, 0, res.height()*res.width()*bpp/8);
  28         _stride=res.width()*bpp/8;
  29         eDebug("lcd buffer %p %d bytes, stride %d", _buffer, xres*yres*bpp/8, _stride);
  30 }
  31
  32 eLCD::~eLCD()
  33 {
  34         delete [] _buffer;
  35 }
  36
  37 int eLCD::lock()
  38 {
  39         if (locked)
  40                 return -1;
  41
  42         locked=1;
  43         return lcdfd;
  44 }
  45
  46 void eLCD::unlock()
  47 {
  48         locked=0;
  49 }
  50
  51 eDBoxLCD::eDBoxLCD()
  52 {
  53         int xres=132, yres=64, bpp=8;
  54         is_oled = 0;
  55 #ifndef NO_LCD
  56         lcdfd = open("/dev/dbox/oled0", O_RDWR);
  57         if (lcdfd < 0)
  58         {
  59                 FILE *f=fopen("/proc/stb/fp/oled_brightness", "w");
  60                 if (f)
  61                 {
  62                         is_oled = 2;
  63                         fclose(f);
  64                 }
  65                 lcdfd = open("/dev/dbox/lcd0", O_RDWR);
  66         } else
  67         {
  68                 eDebug("found OLED display!");
  69                 is_oled = 1;
  70         }
  71 #else
  72         lcdfd = -1;
  73 #endif
  74         instance=this;
  75
  76         if (lcdfd<0)
  77                 eDebug("couldn't open LCD - load lcd.o!");
  78         else
  79         {
  80                 int i=LCD_MODE_BIN;
  81                 ioctl(lcdfd, LCD_IOCTL_ASC_MODE, &i);
  82                 inverted=0;
  83                 FILE *f = fopen("/proc/stb/lcd/xres", "r");
  84                 if (f)
  85                 {
  86                         int tmp;
  87                         if (fscanf(f, "%x", &tmp) == 1)
  88                                 xres = tmp;
  89                         fclose(f);
  90                         f = fopen("/proc/stb/lcd/yres", "r");
  91                         if (f)
  92                         {
  93                                 if (fscanf(f, "%x", &tmp) == 1)
  94                                         yres = tmp;
  95                                 fclose(f);
  96                                 f = fopen("/proc/stb/lcd/bpp", "r");
  97                                 if (f)
  98                                 {
  99                                         if (fscanf(f, "%x", &tmp) == 1)
 100                                                 bpp = tmp;
 101                                         fclose(f);
 102                                 }
 103                         }
 104                         is_oled = 3;
 105                 }
 106         }
 107         setSize(xres, yres, bpp);
 108 }
 109
 110 void eDBoxLCD::setInverted(unsigned char inv)
 111 {
 112         inverted=inv;
 113         update();
 114 }
 115
 116 int eDBoxLCD::setLCDContrast(int contrast)
 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(lcdfd, LCD_IOCTL_SRV, &contrast))
 126         {
 127                 eDebug("[LCD] can't set lcd contrast");
 128         }
 129         close(fp);
 130         return(0);
 131 }
 132
 133 int eDBoxLCD::setLCDBrightness(int brightness)
 134 {
 135         eDebug("setLCDBrightness %d", brightness);
 136         FILE *f=fopen("/proc/stb/fp/oled_brightness", "w");
 137         if (f)
 138         {
 139                 if (fprintf(f, "%d", brightness) == 0)
 140                         eDebug("write /proc/stb/fp/oled_brightness failed!! (%m)");
 141                 fclose(f);
 142         }
 143         else
 144         {
 145                 int fp;
 146                 if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
 147                 {
 148                         eDebug("[LCD] can't open /dev/dbox/fp0");
 149                         return(-1);
 150                 }
 151
 152                 if(ioctl(fp, FP_IOCTL_LCD_DIMM, &brightness)<=0)
 153                         eDebug("[LCD] can't set lcd brightness (%m)");
 154                 close(fp);
 155         }
 156         return(0);
 157 }
 158
 159 eDBoxLCD::~eDBoxLCD()
 160 {
 161         if (lcdfd>=0)
 162         {
 163                 close(lcdfd);
 164                 lcdfd=-1;
 165         }
 166 }
 167
 168 eDBoxLCD *eDBoxLCD::getInstance()
 169 {
 170         return instance;
 171 }
 172
 173 void eDBoxLCD::update()
 174 {
 175         if (lcdfd >= 0)
 176         {
 177                 if (!is_oled || is_oled == 2)
 178                 {
 179                         unsigned char raw[132*8];
 180                         int x, y, yy;
 181                         for (y=0; y<8; y++)
 182                         {
 183                                 for (x=0; x<132; x++)
 184                                 {
 185                                         int pix=0;
 186                                         for (yy=0; yy<8; yy++)
 187                                         {
 188                                                 pix|=(_buffer[(y*8+yy)*132+x]>=108)<<yy;
 189                                         }
 190                                         raw[y*132+x]=(pix^inverted);
 191                                 }
 192                         }
 193                         write(lcdfd, raw, 132*8);
 194                 }
 195                 else if (is_oled == 3)
 196                         write(lcdfd, _buffer, _stride * res.height());
 197                 else
 198                 {
 199                         unsigned char raw[64*64];
 200                         int x, y;
 201                         memset(raw, 0, 64*64);
 202                         for (y=0; y<64; y++)
 203                         {
 204                                 int pix=0;
 205                                 for (x=0; x<128 / 2; x++)
 206                                 {
 207                                         pix = (_buffer[y*132 + x * 2 + 2] & 0xF0) |(_buffer[y*132 + x * 2 + 1 + 2] >> 4);
 208                                         if (inverted)
 209                                                 pix = 0xFF - pix;
 210                                         raw[y*64+x] = pix;
 211                                 }
 212                         }
 213                         write(lcdfd, raw, 64*64);
 214                 }
 215         }
 216 }
 217