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