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