lib/driver/avswitch.cpp

   1 #include <unistd.h>
   2 #include <fcntl.h>
   3 #include <sys/ioctl.h>
   4 #include <string.h>
   5
   6 #include <lib/base/init.h>
   7 #include <lib/base/init_num.h>
   8 #include <lib/base/eerror.h>
   9 #include <lib/base/ebase.h>
  10 #include <lib/driver/avswitch.h>
  11
  12 eAVSwitch *eAVSwitch::instance = 0;
  13
  14 eAVSwitch::eAVSwitch()
  15 {
  16         ASSERT(!instance);
  17         instance = this;
  18         m_video_mode = 0;
  19         m_fp_fd = open("/dev/dbox/fp0", O_RDONLY|O_NONBLOCK);
  20         if (m_fp_fd == -1)
  21         {
  22                 eDebug("couldnt open /dev/dbox/fp0 to monitor vcr scart slow blanking changed!");
  23                 m_fp_notifier=0;
  24         }
  25         else
  26         {
  27                 m_fp_notifier = eSocketNotifier::create(eApp, m_fp_fd, eSocketNotifier::Read|POLLERR);
  28                 CONNECT(m_fp_notifier->activated, eAVSwitch::fp_event);
  29         }
  30 }
  31
  32 #ifndef FP_IOCTL_GET_EVENT
  33 #define FP_IOCTL_GET_EVENT 20
  34 #endif
  35
  36 #ifndef FP_IOCTL_GET_VCR
  37 #define FP_IOCTL_GET_VCR 7
  38 #endif
  39
  40 #ifndef FP_EVENT_VCR_SB_CHANGED
  41 #define FP_EVENT_VCR_SB_CHANGED 1
  42 #endif
  43
  44 int eAVSwitch::getVCRSlowBlanking()
  45 {
  46         int val=0;
  47         if (m_fp_fd >= 0)
  48         {
  49                 FILE *f = fopen("/proc/stb/fp/vcr_fns", "r");
  50                 if (f)
  51                 {
  52                         if (fscanf(f, "%d", &val) != 1)
  53                                 eDebug("read /proc/stb/fp/vcr_fns failed!! (%m)");
  54                         fclose(f);
  55                 }
  56                 else if (ioctl(m_fp_fd, FP_IOCTL_GET_VCR, &val) < 0)
  57                         eDebug("FP_GET_VCR failed (%m)");
  58         }
  59         return val;
  60 }
  61
  62 void eAVSwitch::fp_event(int what)
  63 {
  64         if (what & POLLERR) // driver not ready for fp polling
  65         {
  66                 eDebug("fp driver not read for polling.. so disable polling");
  67                 m_fp_notifier->stop();
  68         }
  69         else
  70         {
  71                 FILE *f = fopen("/proc/stb/fp/events", "r");
  72                 if (f)
  73                 {
  74                         int events;
  75                         if (fscanf(f, "%d", &events) != 1)
  76                                 eDebug("read /proc/stb/fp/events failed!! (%m)");
  77                         else if (events & FP_EVENT_VCR_SB_CHANGED)
  78                                 /* emit */ vcr_sb_notifier(getVCRSlowBlanking());
  79                         fclose(f);
  80                 }
  81                 else
  82                 {
  83                         int val = FP_EVENT_VCR_SB_CHANGED;  // ask only for this event
  84                         if (ioctl(m_fp_fd, FP_IOCTL_GET_EVENT, &val) < 0)
  85                                 eDebug("FP_IOCTL_GET_EVENT failed (%m)");
  86                         else if (val & FP_EVENT_VCR_SB_CHANGED)
  87                                 /* emit */ vcr_sb_notifier(getVCRSlowBlanking());
  88                 }
  89         }
  90 }
  91
  92 eAVSwitch::~eAVSwitch()
  93 {
  94         if ( m_fp_fd >= 0 )
  95                 close(m_fp_fd);
  96 }
  97
  98 eAVSwitch *eAVSwitch::getInstance()
  99 {
 100         return instance;
 101 }
 102
 103 bool eAVSwitch::haveScartSwitch()
 104 {
 105         char tmp[255];
 106         int fd = open("/proc/stb/avs/0/input_choices", O_RDONLY);
 107         if(fd < 0) {
 108                 eDebug("cannot open /proc/stb/avs/0/input_choices");
 109                 return false;
 110         }
 111         read(fd, tmp, 255);
 112         close(fd);
 113         return !!strstr(tmp, "scart");
 114 }
 115
 116 void eAVSwitch::setInput(int val)
 117 {
 118         /*
 119         0-encoder
 120         1-scart
 121         2-aux
 122         */
 123
 124         const char *input[] = {"encoder", "scart", "aux"};
 125
 126         int fd;
 127
 128         if((fd = open("/proc/stb/avs/0/input", O_WRONLY)) < 0) {
 129                 eDebug("cannot open /proc/stb/avs/0/input");
 130                 return;
 131         }
 132
 133         write(fd, input[val], strlen(input[val]));
 134         close(fd);
 135
 136         if (val == 1)
 137                 setFastBlank(2);
 138 }
 139
 140 void eAVSwitch::setFastBlank(int val)
 141 {
 142         int fd;
 143         const char *fb[] = {"low", "high", "vcr"};
 144
 145         if((fd = open("/proc/stb/avs/0/fb", O_WRONLY)) < 0) {
 146                 eDebug("cannot open /proc/stb/avs/0/fb");
 147                 return;
 148         }
 149
 150         write(fd, fb[val], strlen(fb[0]));
 151         close(fd);
 152 }
 153
 154 void eAVSwitch::setColorFormat(int format)
 155 {
 156         /*
 157         0-CVBS
 158         1-RGB
 159         2-S-Video
 160         */
 161         const char *cvbs="cvbs";
 162         const char *rgb="rgb";
 163         const char *svideo="svideo";
 164         const char *yuv="yuv";
 165         int fd;
 166
 167         if((fd = open("/proc/stb/avs/0/colorformat", O_WRONLY)) < 0) {
 168                 printf("cannot open /proc/stb/avs/0/colorformat\n");
 169                 return;
 170         }
 171         switch(format) {
 172                 case 0:
 173                         write(fd, cvbs, strlen(cvbs));
 174                         break;
 175                 case 1:
 176                         write(fd, rgb, strlen(rgb));
 177                         break;
 178                 case 2:
 179                         write(fd, svideo, strlen(svideo));
 180                         break;
 181                 case 3:
 182                         write(fd, yuv, strlen(yuv));
 183                         break;
 184         }
 185         close(fd);
 186 }
 187
 188 void eAVSwitch::setAspectRatio(int ratio)
 189 {
 190         /*
 191         0-4:3 Letterbox
 192         1-4:3 PanScan
 193         2-16:9
 194         3-16:9 forced ("panscan")
 195         4-16:10 Letterbox
 196         5-16:10 PanScan
 197         6-16:9 forced ("letterbox")
 198         */
 199         const char *aspect[] = {"4:3", "4:3", "any", "16:9", "16:10", "16:10", "16:9", "16:9"};
 200         const char *policy[] = {"letterbox", "panscan", "bestfit", "panscan", "letterbox", "panscan", "letterbox"};
 201
 202         int fd;
 203         if((fd = open("/proc/stb/video/aspect", O_WRONLY)) < 0) {
 204                 eDebug("cannot open /proc/stb/video/aspect");
 205                 return;
 206         }
 207 //      eDebug("set aspect to %s", aspect[ratio]);
 208         write(fd, aspect[ratio], strlen(aspect[ratio]));
 209         close(fd);
 210
 211         if((fd = open("/proc/stb/video/policy", O_WRONLY)) < 0) {
 212                 eDebug("cannot open /proc/stb/video/policy");
 213                 return;
 214         }
 215 //      eDebug("set ratio to %s", policy[ratio]);
 216         write(fd, policy[ratio], strlen(policy[ratio]));
 217         close(fd);
 218
 219 }
 220
 221 void eAVSwitch::setVideomode(int mode)
 222 {
 223         const char *pal="pal";
 224         const char *ntsc="ntsc";
 225
 226         if (mode == m_video_mode)
 227                 return;
 228
 229         if (mode == 2)
 230         {
 231                 int fd1 = open("/proc/stb/video/videomode_50hz", O_WRONLY);
 232                 if(fd1 < 0) {
 233                         eDebug("cannot open /proc/stb/video/videomode_50hz");
 234                         return;
 235                 }
 236                 int fd2 = open("/proc/stb/video/videomode_60hz", O_WRONLY);
 237                 if(fd2 < 0) {
 238                         eDebug("cannot open /proc/stb/video/videomode_60hz");
 239                         close(fd1);
 240                         return;
 241                 }
 242                 write(fd1, pal, strlen(pal));
 243                 write(fd2, ntsc, strlen(ntsc));
 244                 close(fd1);
 245                 close(fd2);
 246         }
 247         else
 248         {
 249                 int fd = open("/proc/stb/video/videomode", O_WRONLY);
 250                 if(fd < 0) {
 251                         eDebug("cannot open /proc/stb/video/videomode");
 252                         return;
 253                 }
 254                 switch(mode) {
 255                         case 0:
 256                                 write(fd, pal, strlen(pal));
 257                                 break;
 258                         case 1:
 259                                 write(fd, ntsc, strlen(ntsc));
 260                                 break;
 261                         default:
 262                                 eDebug("unknown videomode %d", mode);
 263                 }
 264                 close(fd);
 265         }
 266
 267         m_video_mode = mode;
 268 }
 269
 270 void eAVSwitch::setWSS(int val) // 0 = auto, 1 = auto(4:3_off)
 271 {
 272         int fd;
 273         if((fd = open("/proc/stb/denc/0/wss", O_WRONLY)) < 0) {
 274                 eDebug("cannot open /proc/stb/denc/0/wss");
 275                 return;
 276         }
 277         const char *wss[] = {
 278                 "off", "auto", "auto(4:3_off)", "4:3_full_format", "16:9_full_format",
 279                 "14:9_letterbox_center", "14:9_letterbox_top", "16:9_letterbox_center",
 280                 "16:9_letterbox_top", ">16:9_letterbox_center", "14:9_full_format"
 281         };
 282         write(fd, wss[val], strlen(wss[val]));
 283 //      eDebug("set wss to %s", wss[val]);
 284         close(fd);
 285 }
 286
 287 void eAVSwitch::setSlowblank(int val)
 288 {
 289         int fd;
 290         if((fd = open("/proc/stb/avs/0/sb", O_WRONLY)) < 0) {
 291                 eDebug("cannot open /proc/stb/avs/0/sb");
 292                 return;
 293         }
 294         const char *sb[] = {"0", "6", "12", "vcr", "auto"};
 295         write(fd, sb[val], strlen(sb[val]));
 296 //      eDebug("set slow blanking to %s", sb[val]);
 297         close(fd);
 298 }
 299
 300 //FIXME: correct "run/startlevel"
 301 eAutoInitP0<eAVSwitch> init_avswitch(eAutoInitNumbers::rc, "AVSwitch Driver");