pandora/plat.c

   1 // (c) Copyright 2006-2009 notaz, All rights reserved.\r
   2 // Free for non-commercial use.\r
   3 \r
   4 // For commercial use, separate licencing terms must be obtained.\r
   5 \r
   6 #include <stdio.h>\r
   7 #include <unistd.h>\r
   8 #include <stdarg.h>\r
   9 #include <sys/types.h>\r
  10 #include <sys/stat.h>\r
  11 #include <fcntl.h>\r
  12 #include <sys/ioctl.h>\r
  13 #include <unistd.h>\r
  14 #include <linux/fb.h>\r
  15 #include <linux/omapfb.h>\r
  16 \r
  17 #include "../common/emu.h"\r
  18 #include "../common/menu.h"\r
  19 #include "../common/plat.h"\r
  20 #include "../common/arm_utils.h"\r
  21 #include "../linux/sndout_oss.h"\r
  22 #include "../linux/fbdev.h"\r
  23 #include "plat.h"\r
  24 #include "asm_utils.h"\r
  25 #include "version.h"\r
  26 \r
  27 #include <pico/pico_int.h>\r
  28 \r
  29 \r
  30 static struct vout_fbdev *main_fb, *layer_fb;\r
  31 static int g_layer_x, g_layer_y;\r
  32 static int g_layer_w = 320, g_layer_h = 240;\r
  33 static int g_osd_fps_x, g_osd_y;\r
  34 \r
  35 static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";\r
  36 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
  37 static unsigned char __attribute__((aligned(4))) temp_frame[g_menuscreen_w * g_menuscreen_h * 2];\r
  38 static unsigned char __attribute__((aligned(4))) fb_copy[g_screen_width * g_screen_height * 2];\r
  39 unsigned char *PicoDraw2FB = temp_frame;\r
  40 const char *renderer_names[] = { NULL };\r
  41 const char *renderer_names32x[] = { NULL };\r
  42 \r
  43 static int get_cpu_clock(void)\r
  44 {\r
  45         FILE *f;\r
  46         int ret = 0;\r
  47         f = fopen("/proc/pandora/cpu_mhz_max", "r");\r
  48         if (f) {\r
  49                 fscanf(f, "%d", &ret);\r
  50                 fclose(f);\r
  51         }\r
  52         return ret;\r
  53 }\r
  54 \r
  55 void pemu_prep_defconfig(void)\r
  56 {\r
  57         defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;\r
  58         defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;\r
  59         defaultConfig.scaling = SCALE_2x2_3x2;\r
  60 }\r
  61 \r
  62 void pemu_validate_config(void)\r
  63 {\r
  64         currentConfig.CPUclock = get_cpu_clock();\r
  65 }\r
  66 \r
  67 static void osd_text(int x, int y, const char *text)\r
  68 {\r
  69         int len = strlen(text)*8;\r
  70         int i, h;\r
  71 \r
  72         len++;\r
  73         for (h = 0; h < 8; h++) {\r
  74                 unsigned short *p;\r
  75                 p = (unsigned short *)g_screen_ptr + x + g_screen_width*(y + h);\r
  76                 for (i = len; i; i--, p++)\r
  77                         *p = (*p>>2) & 0x39e7;\r
  78         }\r
  79         emu_text_out16(x, y, text);\r
  80 }\r
  81 \r
  82 static void draw_cd_leds(void)\r
  83 {\r
  84         int old_reg;\r
  85         old_reg = Pico_mcd->s68k_regs[0];\r
  86 \r
  87         if (0) {\r
  88                 // 8-bit modes\r
  89                 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
  90                 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
  91                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =\r
  92                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =\r
  93                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;\r
  94                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =\r
  95                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =\r
  96                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;\r
  97         } else {\r
  98                 // 16-bit modes\r
  99                 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);\r
 100                 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
 101                 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
 102                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
 103                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
 104                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
 105         }\r
 106 }\r
 107 \r
 108 static int emuscan(unsigned int num)\r
 109 {\r
 110         DrawLineDest = (unsigned short *)g_screen_ptr + num * g_screen_width;\r
 111 \r
 112         return 0;\r
 113 }\r
 114 \r
 115 void pemu_finalize_frame(const char *fps, const char *notice)\r
 116 {\r
 117         if (notice && notice[0])\r
 118                 osd_text(2, g_osd_y, notice);\r
 119         if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))\r
 120                 osd_text(g_osd_fps_x, g_osd_y, fps);\r
 121         if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
 122                 draw_cd_leds();\r
 123 }\r
 124 \r
 125 void plat_video_flip(void)\r
 126 {\r
 127         g_screen_ptr = vout_fbdev_flip(layer_fb);\r
 128 }\r
 129 \r
 130 void plat_video_toggle_renderer(int change, int is_menu)\r
 131 {\r
 132 }\r
 133 \r
 134 void plat_video_menu_enter(int is_rom_loaded)\r
 135 {\r
 136 }\r
 137 \r
 138 void plat_video_menu_begin(void)\r
 139 {\r
 140         memcpy32(g_menuscreen_ptr, g_menubg_ptr, g_menuscreen_w * g_menuscreen_h * 2 / 4);\r
 141 }\r
 142 \r
 143 void plat_video_menu_end(void)\r
 144 {\r
 145         g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
 146 }\r
 147 \r
 148 void plat_video_wait_vsync(void)\r
 149 {\r
 150         vout_fbdev_wait_vsync(main_fb);\r
 151 }\r
 152 \r
 153 void plat_status_msg_clear(void)\r
 154 {\r
 155         vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);\r
 156 }\r
 157 \r
 158 void plat_status_msg_busy_next(const char *msg)\r
 159 {\r
 160         plat_status_msg_clear();\r
 161         pemu_finalize_frame("", msg);\r
 162         plat_video_flip();\r
 163         emu_status_msg("");\r
 164         reset_timing = 1;\r
 165 }\r
 166 \r
 167 void plat_status_msg_busy_first(const char *msg)\r
 168 {\r
 169         plat_status_msg_busy_next(msg);\r
 170 }\r
 171 \r
 172 void plat_update_volume(int has_changed, int is_up)\r
 173 {\r
 174         static int prev_frame = 0, wait_frames = 0;\r
 175         int vol = currentConfig.volume;\r
 176 \r
 177         if (has_changed)\r
 178         {\r
 179                 if (is_up) {\r
 180                         if (vol < 99) vol++;\r
 181                 } else {\r
 182                         if (vol >  0) vol--;\r
 183                 }\r
 184                 wait_frames = 0;\r
 185                 sndout_oss_setvol(vol, vol);\r
 186                 currentConfig.volume = vol;\r
 187                 emu_status_msg("VOL: %02i", vol);\r
 188                 prev_frame = Pico.m.frame_count;\r
 189         }\r
 190 }\r
 191 \r
 192 void pemu_forced_frame(int opts, int no_scale)\r
 193 {\r
 194         int oldscale = currentConfig.scaling;\r
 195         int po_old = PicoOpt;\r
 196 \r
 197         if (no_scale) {\r
 198                 currentConfig.scaling = SCALE_1x1;\r
 199                 emu_video_mode_change(8, 224, 0);\r
 200         }\r
 201 \r
 202         PicoOpt |= opts|POPT_ACC_SPRITES;\r
 203 \r
 204         Pico.m.dirtyPal = 1;\r
 205         PicoFrameDrawOnly();\r
 206 \r
 207         PicoOpt = po_old;\r
 208         currentConfig.scaling = oldscale;\r
 209 }\r
 210 \r
 211 static void updateSound(int len)\r
 212 {\r
 213         unsigned int t;\r
 214 \r
 215         len <<= 1;\r
 216         if (PicoOpt & POPT_EN_STEREO)\r
 217                 len <<= 1;\r
 218 \r
 219         // sndout_oss_can_write() not reliable..\r
 220         if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
 221                 return;\r
 222 \r
 223         /* avoid writing audio when lagging behind to prevent audio lag */\r
 224         if (PicoSkipFrame == 2)\r
 225                 return;\r
 226 \r
 227         t = plat_get_ticks_ms();\r
 228         sndout_oss_write(PsndOut, len);\r
 229         t = plat_get_ticks_ms() - t;\r
 230         if (t > 1)\r
 231                 printf("audio lag %u\n", t);\r
 232 }\r
 233 \r
 234 void pemu_sound_start(void)\r
 235 {\r
 236         int target_fps = Pico.m.pal ? 50 : 60;\r
 237 \r
 238         PsndOut = NULL;\r
 239 \r
 240         if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
 241         {\r
 242                 int snd_excess_add, frame_samples;\r
 243                 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
 244 \r
 245                 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
 246 \r
 247                 frame_samples = PsndLen;\r
 248                 snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
 249                 if (snd_excess_add != 0)\r
 250                         frame_samples++;\r
 251 \r
 252                 /*\r
 253                  * for 44k stereo, we do 1470 samples/frame\r
 254                  * OMAP driver does power of 2 buffers, so we need at least 4K buffer.\r
 255                  * The most we can lag is 1K samples, size of OMAP's McBSP FIFO,\r
 256                  * with 2K sample buffer we might sometimes lag more than that,\r
 257                  * thus causing underflows.\r
 258                  */\r
 259                 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
 260                         PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
 261                 sndout_oss_start(PsndRate, frame_samples * 2, is_stereo);\r
 262                 //sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
 263                 PicoWriteSound = updateSound;\r
 264                 plat_update_volume(0, 0);\r
 265                 memset(sndBuffer, 0, sizeof(sndBuffer));\r
 266                 PsndOut = sndBuffer;\r
 267         }\r
 268 }\r
 269 \r
 270 void pemu_sound_stop(void)\r
 271 {\r
 272         sndout_oss_stop();\r
 273 }\r
 274 \r
 275 void pemu_sound_wait(void)\r
 276 {\r
 277         // don't need to do anything, writes will block by themselves\r
 278 }\r
 279 \r
 280 void plat_debug_cat(char *str)\r
 281 {\r
 282 }\r
 283 \r
 284 static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)\r
 285 {\r
 286         struct omapfb_plane_info pi;\r
 287         struct omapfb_mem_info mi;\r
 288         int ret;\r
 289 \r
 290         ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);\r
 291         if (ret != 0) {\r
 292                 perror("QUERY_PLANE");\r
 293                 return -1;\r
 294         }\r
 295 \r
 296         ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);\r
 297         if (ret != 0) {\r
 298                 perror("QUERY_MEM");\r
 299                 return -1;\r
 300         }\r
 301 \r
 302         /* must disable when changing stuff */\r
 303         if (pi.enabled) {\r
 304                 pi.enabled = 0;\r
 305                 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
 306                 if (ret != 0)\r
 307                         perror("SETUP_PLANE");\r
 308         }\r
 309 \r
 310         mi.size = 320*240*2*4;\r
 311         ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);\r
 312         if (ret != 0) {\r
 313                 perror("SETUP_MEM");\r
 314                 return -1;\r
 315         }\r
 316 \r
 317         pi.pos_x = x;\r
 318         pi.pos_y = y;\r
 319         pi.out_width = w;\r
 320         pi.out_height = h;\r
 321         pi.enabled = enabled;\r
 322 \r
 323         ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
 324         if (ret != 0) {\r
 325                 perror("SETUP_PLANE");\r
 326                 return -1;\r
 327         }\r
 328 \r
 329         return 0;\r
 330 }\r
 331 \r
 332 int pnd_setup_layer(int enabled, int x, int y, int w, int h)\r
 333 {\r
 334         return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);\r
 335 }\r
 336 \r
 337 void pnd_restore_layer_data(void)\r
 338 {\r
 339         short *t = (short *)fb_copy + 320*240 / 2 + 160;\r
 340 \r
 341         // right now this is used by menu, which wants to preview something\r
 342         // so try to get something on the layer.\r
 343         if ((t[0] | t[5] | t[13]) == 0)\r
 344                 memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);\r
 345 \r
 346         memcpy32(g_screen_ptr, (void *)fb_copy, 320*240*2 / 4);\r
 347         plat_video_flip();\r
 348 }\r
 349 \r
 350 static void apply_filter(int which)\r
 351 {\r
 352         char buf[128];\r
 353         int i;\r
 354 \r
 355         if (pnd_filter_list == NULL)\r
 356                 return;\r
 357 \r
 358         for (i = 0; i < which; i++)\r
 359                 if (pnd_filter_list[i] == NULL)\r
 360                         return;\r
 361 \r
 362         if (pnd_filter_list[i] == NULL)\r
 363                 return;\r
 364 \r
 365         snprintf(buf, sizeof(buf), "%s/op_videofir.sh %s", pnd_script_base, pnd_filter_list[i]);\r
 366         system(buf);\r
 367 }\r
 368 \r
 369 void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
 370 {\r
 371         int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;\r
 372 \r
 373         PicoDrawSetOutFormat(PDF_RGB555, 1);\r
 374         PicoDrawSetCallbacks(emuscan, NULL);\r
 375 \r
 376         if (is_32cols) {\r
 377                 fb_w = 256;\r
 378                 fb_left = fb_right = 32;\r
 379         }\r
 380 \r
 381         switch (currentConfig.scaling) {\r
 382         case SCALE_1x1:\r
 383                 g_layer_w = fb_w;\r
 384                 g_layer_h = fb_h;\r
 385                 break;\r
 386         case SCALE_2x2_3x2:\r
 387                 g_layer_w = fb_w * (is_32cols ? 3 : 2);\r
 388                 g_layer_h = fb_h * 2;\r
 389                 break;\r
 390         case SCALE_2x2_2x2:\r
 391                 g_layer_w = fb_w * 2;\r
 392                 g_layer_h = fb_h * 2;\r
 393                 break;\r
 394         case SCALE_FULLSCREEN:\r
 395                 g_layer_w = 800;\r
 396                 g_layer_h = 480;\r
 397                 break;\r
 398         case SCALE_CUSTOM:\r
 399                 g_layer_x = g_layer_cx;\r
 400                 g_layer_y = g_layer_cy;\r
 401                 g_layer_w = g_layer_cw;\r
 402                 g_layer_h = g_layer_ch;\r
 403                 break;\r
 404         }\r
 405 \r
 406         if (currentConfig.scaling != SCALE_CUSTOM) {\r
 407                 // center the layer\r
 408                 g_layer_x = 800 / 2 - g_layer_w / 2;\r
 409                 g_layer_y = 480 / 2 - g_layer_h / 2;\r
 410         }\r
 411 \r
 412         switch (currentConfig.scaling) {\r
 413         case SCALE_FULLSCREEN:\r
 414         case SCALE_CUSTOM:\r
 415                 fb_top = start_line;\r
 416                 fb_h = line_count;\r
 417                 break;\r
 418         }\r
 419         g_osd_fps_x = is_32cols ? 232 : 264;\r
 420         g_osd_y = fb_top + fb_h - 8;\r
 421 \r
 422         pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
 423         vout_fbdev_resize(layer_fb, fb_w, fb_h, fb_left, fb_right, fb_top, fb_bottom, 0);\r
 424         vout_fbdev_clear(layer_fb);\r
 425         plat_video_flip();\r
 426 }\r
 427 \r
 428 static void make_bg(void)\r
 429 {\r
 430         unsigned short *s = (void *)fb_copy;\r
 431         unsigned int t, *d = (unsigned int *)g_menubg_src_ptr + 80 / 2;\r
 432         int x, y;\r
 433 \r
 434         memset32(g_menubg_src_ptr, 0, 800 * 480 * 2 / 4);\r
 435 \r
 436         for (y = 0; y < 240; y++, s += 320, d += 800*2/2) {\r
 437                 for (x = 0; x < 320; x++) {\r
 438                         t = s[x];\r
 439                         t |= t << 16;\r
 440                         d[x] = d[x + 800 / 2] = t;\r
 441                 }\r
 442         }\r
 443 }\r
 444 \r
 445 void pemu_loop_prep(void)\r
 446 {\r
 447         static int pal_old = -1;\r
 448         static int filter_old = -1;\r
 449         char buf[128];\r
 450 \r
 451         if (currentConfig.CPUclock != get_cpu_clock()) {\r
 452                 snprintf(buf, sizeof(buf), "unset DISPLAY; echo y | %s/op_cpuspeed.sh %d",\r
 453                          pnd_script_base, currentConfig.CPUclock);\r
 454                 system(buf);\r
 455         }\r
 456 \r
 457         if (Pico.m.pal != pal_old) {\r
 458                 snprintf(buf, sizeof(buf), "%s/op_lcdrate.sh %d",\r
 459                          pnd_script_base, Pico.m.pal ? 50 : 60);\r
 460                 system(buf);\r
 461                 pal_old = Pico.m.pal;\r
 462         }\r
 463 \r
 464         if (currentConfig.filter != filter_old) {\r
 465                 apply_filter(currentConfig.filter);\r
 466                 filter_old = currentConfig.filter;\r
 467         }\r
 468 \r
 469         // make sure there is no junk left behind the layer\r
 470         memset32(g_menuscreen_ptr, 0, 800 * 480 * 2 / 4);\r
 471         g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
 472 \r
 473         // emu_video_mode_change will call pnd_setup_layer()\r
 474 \r
 475         // dirty buffers better go now than during gameplay\r
 476         sync();\r
 477         sleep(0);\r
 478 \r
 479         pemu_sound_start();\r
 480 }\r
 481 \r
 482 void pemu_loop_end(void)\r
 483 {\r
 484         int po_old = PicoOpt;\r
 485         int eo_old = currentConfig.EmuOpt;\r
 486 \r
 487         pemu_sound_stop();\r
 488         memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
 489 \r
 490         /* do one more frame for menu bg */\r
 491         PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;\r
 492         currentConfig.EmuOpt |= EOPT_16BPP;\r
 493 \r
 494         PicoDrawSetOutFormat(PDF_RGB555, 1);\r
 495         Pico.m.dirtyPal = 1;\r
 496         PicoFrame();\r
 497 \r
 498         // making a copy because enabling the layer clears it's mem\r
 499         memcpy32((void *)fb_copy, g_screen_ptr, sizeof(fb_copy) / 4);\r
 500         make_bg();\r
 501 \r
 502         pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
 503 \r
 504         PicoOpt = po_old;\r
 505         currentConfig.EmuOpt = eo_old;\r
 506 }\r
 507 \r
 508 void plat_wait_till_us(unsigned int us_to)\r
 509 {\r
 510         unsigned int now;\r
 511         signed int diff;\r
 512 \r
 513         now = plat_get_ticks_us();\r
 514 \r
 515         // XXX: need to check NOHZ\r
 516         diff = (signed int)(us_to - now);\r
 517         if (diff > 10000) {\r
 518                 //printf("sleep %d\n", us_to - now);\r
 519                 usleep(diff * 15 / 16);\r
 520                 now = plat_get_ticks_us();\r
 521                 //printf(" wake %d\n", (signed)(us_to - now));\r
 522         }\r
 523 /*\r
 524         while ((signed int)(us_to - now) > 512) {\r
 525                 spend_cycles(1024);\r
 526                 now = plat_get_ticks_us();\r
 527         }\r
 528 */\r
 529 }\r
 530 \r
 531 const char *plat_get_credits(void)\r
 532 {\r
 533         return "PicoDrive v" VERSION " (c) notaz, 2006-2010\n\n\n"\r
 534                 "Credits:\n"\r
 535                 "fDave: Cyclone 68000 core,\n"\r
 536                 "      base code of PicoDrive\n"\r
 537                 "Reesy & FluBBa: DrZ80 core\n"\r
 538                 "MAME devs: YM2612 and SN76496 cores\n"\r
 539                 "Pandora team: Pandora\n"\r
 540                 "Inder, ketchupgun: graphics\n"\r
 541                 "\n"\r
 542                 "special thanks (for docs, ideas):\n"\r
 543                 " Charles MacDonald, Haze,\n"\r
 544                 " Stephane Dallongeville,\n"\r
 545                 " Lordus, Exophase, Rokas,\n"\r
 546                 " Nemesis, Tasco Deluxe";\r
 547 }\r
 548 \r
 549 #include "../linux/oshide.h"\r
 550 \r
 551 void plat_early_init(void)\r
 552 {\r
 553 }\r
 554 \r
 555 void plat_init(void)\r
 556 {\r
 557         const char *main_fb_name, *layer_fb_name;\r
 558         int fd, ret, w, h;\r
 559 \r
 560         main_fb_name = getenv("FBDEV_MAIN");\r
 561         if (main_fb_name == NULL)\r
 562                 main_fb_name = "/dev/fb0";\r
 563 \r
 564         layer_fb_name = getenv("FBDEV_LAYER");\r
 565         if (layer_fb_name == NULL)\r
 566                 layer_fb_name = "/dev/fb1";\r
 567 \r
 568         // must set the layer up first to be able to use it\r
 569         fd = open(layer_fb_name, O_RDWR);\r
 570         if (fd == -1) {\r
 571                 fprintf(stderr, "%s: ", layer_fb_name);\r
 572                 perror("open");\r
 573                 exit(1);\r
 574         }\r
 575 \r
 576         ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
 577         close(fd);\r
 578         if (ret != 0) {\r
 579                 fprintf(stderr, "failed to set up layer, exiting.\n");\r
 580                 exit(1);\r
 581         }\r
 582 \r
 583         oshide_init();\r
 584 \r
 585         w = h = 0;\r
 586         main_fb = vout_fbdev_init(main_fb_name, &w, &h, 0);\r
 587         if (main_fb == NULL) {\r
 588                 fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);\r
 589                 exit(1);\r
 590         }\r
 591 \r
 592         if (w != g_menuscreen_w || h != g_menuscreen_h) {\r
 593                 fprintf(stderr, "%dx%d not supported on %s\n", w, h, main_fb_name);\r
 594                 goto fail0;\r
 595         }\r
 596         g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
 597 \r
 598         w = 320; h = 240;\r
 599         layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 0);\r
 600         if (layer_fb == NULL) {\r
 601                 fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);\r
 602                 goto fail0;\r
 603         }\r
 604 \r
 605         if (w != g_screen_width || h != g_screen_height) {\r
 606                 fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);\r
 607                 goto fail1;\r
 608         }\r
 609         g_screen_ptr = vout_fbdev_flip(layer_fb);\r
 610 \r
 611         g_menubg_ptr = temp_frame;\r
 612         g_menubg_src_ptr = temp_frame;\r
 613 \r
 614         sndout_oss_init();\r
 615         pnd_menu_init();\r
 616         return;\r
 617 \r
 618 fail1:\r
 619         vout_fbdev_finish(layer_fb);\r
 620 fail0:\r
 621         vout_fbdev_finish(main_fb);\r
 622         exit(1);\r
 623 }\r
 624 \r
 625 void plat_finish(void)\r
 626 {\r
 627         sndout_oss_exit();\r
 628         vout_fbdev_finish(main_fb);\r
 629         oshide_finish();\r
 630 \r
 631         printf("all done\n");\r
 632 }\r
 633 \r
 634 /* lprintf */\r
 635 void lprintf(const char *fmt, ...)\r
 636 {\r
 637         va_list vl;\r
 638 \r
 639         va_start(vl, fmt);\r
 640         vprintf(fmt, vl);\r
 641         va_end(vl);\r
 642 }\r
 643 \r