lib/driver/avswitch.cpp

   1 #include <lib/driver/avswitch.h>
   2
   3 #include <unistd.h>
   4 #include <fcntl.h>
   5 #include <sys/ioctl.h>
   6
   7 #include <lib/base/init.h>
   8 #include <lib/base/init_num.h>
   9 #include <lib/base/econfig.h>
  10 #include <lib/base/eerror.h>
  11
  12 eAVSwitch *eAVSwitch::instance = 0;
  13
  14 eAVSwitch::eAVSwitch()
  15 {
  16         ASSERT(!instance);
  17         instance = this;
  18 }
  19
  20 eAVSwitch::~eAVSwitch()
  21 {
  22 }
  23
  24 eAVSwitch *eAVSwitch::getInstance()
  25 {
  26         return instance;
  27 }
  28
  29 void eAVSwitch::setColorFormat(int format)
  30 {
  31         /*
  32         0-CVBS
  33         1-RGB
  34         2-S-Video
  35         */
  36         char *cvbs="cvbs";
  37         char *rgb="rgb";
  38         char *svideo="svideo";
  39         int fd;
  40
  41         if((fd = open("/proc/stb/avs/0/colorformat", O_WRONLY)) < 0) {
  42                 printf("cannot open /proc/stb/avs/0/colorformat\n");
  43                 return;
  44         }
  45         switch(format) {
  46                 case 0:
  47                         write(fd, cvbs, strlen(cvbs));
  48                         break;
  49                 case 1:
  50                         write(fd, rgb, strlen(rgb));
  51                         break;
  52                 case 2:
  53                         write(fd, svideo, strlen(svideo));
  54                         break;
  55         }
  56         close(fd);
  57 }
  58
  59 void eAVSwitch::setAspectRatio(int ratio)
  60 {
  61         /*
  62         0-4:3 Letterbox
  63         1-4:3 PanScan
  64         2-16:9
  65         3-16:9 forced
  66         */
  67
  68         char *aspect[] = {"4:3", "4:3", "any", "16:9"};
  69         char *policy[] = {"letterbox", "panscan", "bestfit", "panscan"};
  70
  71         int fd;
  72         if((fd = open("/proc/stb/video/aspect", O_WRONLY)) < 0) {
  73                 printf("cannot open /proc/stb/video/aspect\n");
  74                 return;
  75         }
  76         write(fd, aspect[ratio], strlen(aspect[ratio]));
  77         close(fd);
  78
  79         if((fd = open("/proc/stb/video/policy", O_WRONLY)) < 0) {
  80                 printf("cannot open /proc/stb/video/policy\n");
  81                 return;
  82         }
  83         write(fd, policy[ratio], strlen(policy[ratio]));
  84         close(fd);
  85
  86 }
  87
  88 void eAVSwitch::setVideomode(int mode)
  89 {
  90         char *pal="pal";
  91         char *ntsc="ntsc";
  92         int fd;
  93
  94         return;
  95         //FIXME: bug in driver (cannot set PAL)
  96         if((fd = open("/proc/stb/video/videomode", O_WRONLY)) < 0) {
  97                 printf("cannot open /proc/stb/video/videomode\n");
  98                 return;
  99         }
 100         switch(mode) {
 101                 case 0:
 102                         write(fd, pal, strlen(pal));
 103                         break;
 104                 case 1:
 105                         write(fd, ntsc, strlen(ntsc));
 106                         break;
 107         }
 108         close(fd);
 109 }
 110
 111 //FIXME: correct "run/startlevel"
 112 eAutoInitP0<eAVSwitch> init_avswitch(eAutoInitNumbers::rc, "AVSwitch Driver");