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 #if defined(HAVE_DBOX_FP_H) && defined(HAVE_DBOX_LCD_KS0713_H)
   8 #include <dbox/fp.h>
   9 #include <dbox/lcd-ks0713.h>
  10 #else
  11 #define NO_LCD 1
  12 #endif
  13
  14 #include <lib/gdi/esize.h>
  15 #include <lib/base/init.h>
  16 #include <lib/base/init_num.h>
  17 #include <lib/gdi/glcddc.h>
  18
  19 eDBoxLCD *eDBoxLCD::instance;
  20
  21 eLCD::eLCD()
  22 {
  23         lcdfd = -1;
  24         locked=0;
  25 }
  26
  27 void eLCD::setSize(int xres, int yres, int bpp)
  28 {
  29         res = eSize(xres, yres);
  30         _buffer=new unsigned char[xres * yres * bpp/8];
  31         memset(_buffer, 0, res.height()*res.width()*bpp/8);
  32         _stride=res.width()*bpp/8;
  33         eDebug("lcd buffer %p %d bytes, stride %d", _buffer, xres*yres*bpp/8, _stride);
  34 }
  35
  36 eLCD::~eLCD()
  37 {
  38         delete [] _buffer;
  39 }
  40
  41 int eLCD::lock()
  42 {
  43         if (locked)
  44                 return -1;
  45
  46         locked=1;
  47         return lcdfd;
  48 }
  49
  50 void eLCD::unlock()
  51 {
  52         locked=0;
  53 }
  54
  55 eDBoxLCD::eDBoxLCD()
  56 {
  57         int xres=132, yres=64, bpp=8;
  58         is_oled = 0;
  59 #ifndef NO_LCD
  60         lcdfd = open("/dev/dbox/oled0", O_RDWR);
  61         if (lcdfd < 0)
  62         {
  63                 FILE *f=fopen("/proc/stb/lcd/oled_brightness", "w");
  64                 if (!f)
  65                         f = fopen("/proc/stb/fp/oled_brightness", "w");
  66                 if (f)
  67                 {
  68                         is_oled = 2;
  69                         fclose(f);
  70                 }
  71                 lcdfd = open("/dev/dbox/lcd0", O_RDWR);
  72         } else
  73         {
  74                 eDebug("found OLED display!");
  75                 is_oled = 1;
  76         }
  77
  78         if (lcdfd<0)
  79                 eDebug("couldn't open LCD - load lcd.o!");
  80         else
  81         {
  82                 int i=LCD_MODE_BIN;
  83                 ioctl(lcdfd, LCD_IOCTL_ASC_MODE, &i);
  84                 inverted=0;
  85                 FILE *f = fopen("/proc/stb/lcd/xres", "r");
  86                 if (f)
  87                 {
  88                         int tmp;
  89                         if (fscanf(f, "%x", &tmp) == 1)
  90                                 xres = tmp;
  91                         fclose(f);
  92                         f = fopen("/proc/stb/lcd/yres", "r");
  93                         if (f)
  94                         {
  95                                 if (fscanf(f, "%x", &tmp) == 1)
  96                                         yres = tmp;
  97                                 fclose(f);
  98                                 f = fopen("/proc/stb/lcd/bpp", "r");
  99                                 if (f)
 100                                 {
 101                                         if (fscanf(f, "%x", &tmp) == 1)
 102                                                 bpp = tmp;
 103                                         fclose(f);
 104                                 }
 105                         }
 106                         is_oled = 3;
 107                 }
 108         }
 109 #endif
 110         instance=this;
 111
 112         setSize(xres, yres, bpp);
 113 }
 114
 115 void eDBoxLCD::setInverted(unsigned char inv)
 116 {
 117         inverted=inv;
 118         update();
 119 }
 120
 121 int eDBoxLCD::setLCDContrast(int contrast)
 122 {
 123 #ifndef NO_LCD
 124         int fp;
 125         if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
 126         {
 127                 eDebug("[LCD] can't open /dev/dbox/fp0");
 128                 return(-1);
 129         }
 130
 131         if(ioctl(lcdfd, LCD_IOCTL_SRV, &contrast))
 132         {
 133                 eDebug("[LCD] can't set lcd contrast");
 134         }
 135         close(fp);
 136 #endif
 137         return(0);
 138 }
 139
 140 int eDBoxLCD::setLCDBrightness(int brightness)
 141 {
 142 #ifndef NO_LCD
 143         eDebug("setLCDBrightness %d", brightness);
 144         FILE *f=fopen("/proc/stb/lcd/oled_brightness", "w");
 145         if (!f)
 146                 f = fopen("/proc/stb/fp/oled_brightness", "w");
 147         if (f)
 148         {
 149                 if (fprintf(f, "%d", brightness) == 0)
 150                         eDebug("write /proc/stb/lcd/oled_brightness failed!! (%m)");
 151                 fclose(f);
 152         }
 153         else
 154         {
 155                 int fp;
 156                 if((fp=open("/dev/dbox/fp0", O_RDWR))<=0)
 157                 {
 158                         eDebug("[LCD] can't open /dev/dbox/fp0");
 159                         return(-1);
 160                 }
 161
 162                 if(ioctl(fp, FP_IOCTL_LCD_DIMM, &brightness)<=0)
 163                         eDebug("[LCD] can't set lcd brightness (%m)");
 164                 close(fp);
 165         }
 166 #endif
 167         return(0);
 168 }
 169
 170 eDBoxLCD::~eDBoxLCD()
 171 {
 172         if (lcdfd>=0)
 173         {
 174                 close(lcdfd);
 175                 lcdfd=-1;
 176         }
 177 }
 178
 179 eDBoxLCD *eDBoxLCD::getInstance()
 180 {
 181         return instance;
 182 }
 183
 184 void eDBoxLCD::update()
 185 {
 186         if (lcdfd >= 0)
 187         {
 188                 if (!is_oled || is_oled == 2)
 189                 {
 190                         unsigned char raw[132*8];
 191                         int x, y, yy;
 192                         for (y=0; y<8; y++)
 193                         {
 194                                 for (x=0; x<132; x++)
 195                                 {
 196                                         int pix=0;
 197                                         for (yy=0; yy<8; yy++)
 198                                         {
 199                                                 pix|=(_buffer[(y*8+yy)*132+x]>=108)<<yy;
 200                                         }
 201                                         raw[y*132+x]=(pix^inverted);
 202                                 }
 203                         }
 204                         write(lcdfd, raw, 132*8);
 205                 }
 206                 else if (is_oled == 3)
 207                         write(lcdfd, _buffer, _stride * res.height());
 208                 else
 209                 {
 210                         unsigned char raw[64*64];
 211                         int x, y;
 212                         memset(raw, 0, 64*64);
 213                         for (y=0; y<64; y++)
 214                         {
 215                                 int pix=0;
 216                                 for (x=0; x<128 / 2; x++)
 217                                 {
 218                                         pix = (_buffer[y*132 + x * 2 + 2] & 0xF0) |(_buffer[y*132 + x * 2 + 1 + 2] >> 4);
 219                                         if (inverted)
 220                                                 pix = 0xFF - pix;
 221                                         raw[y*64+x] = pix;
 222                                 }
 223                         }
 224                         write(lcdfd, raw, 64*64);
 225                 }
 226         }
 227 }
 228