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 // g_layer_* - in use, g_layer_c* - configured custom\r
  33 int g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch;\r
  34 static int g_layer_x, g_layer_y;\r
  35 static int g_layer_w = 320, g_layer_h = 240;\r
  36 static int g_osd_fps_x, g_osd_y, doing_bg_frame;\r
  37 \r
  38 static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";\r
  39 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
  40 static unsigned char __attribute__((aligned(4))) fb_copy[g_screen_width * g_screen_height * 2];\r
  41 static void *temp_frame;\r
  42 unsigned char *PicoDraw2FB;\r
  43 const char *renderer_names[] = { NULL };\r
  44 const char *renderer_names32x[] = { NULL };\r
  45 \r
  46 static const char * const pandora_gpio_keys[KEY_MAX + 1] = {\r
  47         [0 ... KEY_MAX] = NULL,\r
  48         [KEY_UP]        = "Up",\r
  49         [KEY_LEFT]      = "Left",\r
  50         [KEY_RIGHT]     = "Right",\r
  51         [KEY_DOWN]      = "Down",\r
  52         [KEY_HOME]      = "A",\r
  53         [KEY_PAGEDOWN]  = "X",\r
  54         [KEY_END]       = "B",\r
  55         [KEY_PAGEUP]    = "Y",\r
  56         [KEY_RIGHTSHIFT]= "L",\r
  57         [KEY_RIGHTCTRL] = "R",\r
  58         [KEY_LEFTALT]   = "Start",\r
  59         [KEY_LEFTCTRL]  = "Select",\r
  60         [KEY_MENU]      = "Pandora",\r
  61 };\r
  62 \r
  63 struct in_default_bind in_evdev_defbinds[] =\r
  64 {\r
  65         /* MXYZ SACB RLDU */\r
  66         { KEY_UP,       IN_BINDTYPE_PLAYER12, 0 },\r
  67         { KEY_DOWN,     IN_BINDTYPE_PLAYER12, 1 },\r
  68         { KEY_LEFT,     IN_BINDTYPE_PLAYER12, 2 },\r
  69         { KEY_RIGHT,    IN_BINDTYPE_PLAYER12, 3 },\r
  70         { KEY_S,        IN_BINDTYPE_PLAYER12, 4 },      /* B */\r
  71         { KEY_D,        IN_BINDTYPE_PLAYER12, 5 },      /* C */\r
  72         { KEY_A,        IN_BINDTYPE_PLAYER12, 6 },      /* A */\r
  73         { KEY_ENTER,    IN_BINDTYPE_PLAYER12, 7 },\r
  74         { KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },\r
  75         { KEY_SPACE,    IN_BINDTYPE_EMU, PEVB_MENU },\r
  76         /* Pandora */\r
  77         { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, 4 },\r
  78         { KEY_END,      IN_BINDTYPE_PLAYER12, 5 },\r
  79         { KEY_HOME,     IN_BINDTYPE_PLAYER12, 6 },\r
  80         { KEY_LEFTALT,  IN_BINDTYPE_PLAYER12, 7 },\r
  81         { KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },\r
  82         { KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },\r
  83         { KEY_LEFTCTRL,  IN_BINDTYPE_EMU, PEVB_MENU },\r
  84         { 0, 0, 0 }\r
  85 };\r
  86 \r
  87 static int get_cpu_clock(void)\r
  88 {\r
  89         FILE *f;\r
  90         int ret = 0;\r
  91         f = fopen("/proc/pandora/cpu_mhz_max", "r");\r
  92         if (f) {\r
  93                 fscanf(f, "%d", &ret);\r
  94                 fclose(f);\r
  95         }\r
  96         return ret;\r
  97 }\r
  98 \r
  99 void pemu_prep_defconfig(void)\r
 100 {\r
 101         defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;\r
 102         defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;\r
 103         defaultConfig.scaling = SCALE_2x2_3x2;\r
 104 }\r
 105 \r
 106 void pemu_validate_config(void)\r
 107 {\r
 108         currentConfig.CPUclock = get_cpu_clock();\r
 109 }\r
 110 \r
 111 static void osd_text(int x, int y, const char *text)\r
 112 {\r
 113         int len = strlen(text)*8;\r
 114         int i, h;\r
 115 \r
 116         len++;\r
 117         for (h = 0; h < 8; h++) {\r
 118                 unsigned short *p;\r
 119                 p = (unsigned short *)g_screen_ptr + x + g_screen_width*(y + h);\r
 120                 for (i = len; i; i--, p++)\r
 121                         *p = (*p>>2) & 0x39e7;\r
 122         }\r
 123         emu_text_out16(x, y, text);\r
 124 }\r
 125 \r
 126 static void draw_cd_leds(void)\r
 127 {\r
 128         int old_reg;\r
 129         old_reg = Pico_mcd->s68k_regs[0];\r
 130 \r
 131         if (0) {\r
 132                 // 8-bit modes\r
 133                 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
 134                 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
 135                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =\r
 136                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =\r
 137                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;\r
 138                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =\r
 139                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =\r
 140                 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;\r
 141         } else {\r
 142                 // 16-bit modes\r
 143                 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);\r
 144                 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
 145                 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
 146                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
 147                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
 148                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
 149         }\r
 150 }\r
 151 \r
 152 static int emuscan(unsigned int num)\r
 153 {\r
 154         DrawLineDest = (unsigned short *)g_screen_ptr + num * g_screen_width;\r
 155 \r
 156         return 0;\r
 157 }\r
 158 \r
 159 void pemu_finalize_frame(const char *fps, const char *notice)\r
 160 {\r
 161         if (notice && notice[0])\r
 162                 osd_text(2, g_osd_y, notice);\r
 163         if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))\r
 164                 osd_text(g_osd_fps_x, g_osd_y, fps);\r
 165         if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
 166                 draw_cd_leds();\r
 167 }\r
 168 \r
 169 void plat_video_flip(void)\r
 170 {\r
 171         g_screen_ptr = vout_fbdev_flip(layer_fb);\r
 172 }\r
 173 \r
 174 void plat_video_toggle_renderer(int change, int is_menu)\r
 175 {\r
 176 }\r
 177 \r
 178 void plat_video_menu_enter(int is_rom_loaded)\r
 179 {\r
 180 }\r
 181 \r
 182 void plat_video_menu_begin(void)\r
 183 {\r
 184 }\r
 185 \r
 186 void plat_video_menu_end(void)\r
 187 {\r
 188         g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
 189 }\r
 190 \r
 191 void plat_video_wait_vsync(void)\r
 192 {\r
 193         vout_fbdev_wait_vsync(main_fb);\r
 194 }\r
 195 \r
 196 void plat_status_msg_clear(void)\r
 197 {\r
 198         vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);\r
 199 }\r
 200 \r
 201 void plat_status_msg_busy_next(const char *msg)\r
 202 {\r
 203         plat_status_msg_clear();\r
 204         pemu_finalize_frame("", msg);\r
 205         plat_video_flip();\r
 206         emu_status_msg("");\r
 207         reset_timing = 1;\r
 208 }\r
 209 \r
 210 void plat_status_msg_busy_first(const char *msg)\r
 211 {\r
 212         plat_status_msg_busy_next(msg);\r
 213 }\r
 214 \r
 215 void plat_update_volume(int has_changed, int is_up)\r
 216 {\r
 217         static int prev_frame = 0, wait_frames = 0;\r
 218         int vol = currentConfig.volume;\r
 219 \r
 220         if (has_changed)\r
 221         {\r
 222                 if (is_up) {\r
 223                         if (vol < 99) vol++;\r
 224                 } else {\r
 225                         if (vol >  0) vol--;\r
 226                 }\r
 227                 wait_frames = 0;\r
 228                 sndout_oss_setvol(vol, vol);\r
 229                 currentConfig.volume = vol;\r
 230                 emu_status_msg("VOL: %02i", vol);\r
 231                 prev_frame = Pico.m.frame_count;\r
 232         }\r
 233 }\r
 234 \r
 235 static void make_bg(int no_scale)\r
 236 {\r
 237         unsigned short *s = (void *)fb_copy;\r
 238         int x, y;\r
 239 \r
 240         memset32(g_menubg_src_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2 / 4);\r
 241 \r
 242         if (!no_scale && g_menuscreen_w >= 640 && g_menuscreen_h >= 480) {\r
 243                 unsigned int t, *d = g_menubg_src_ptr;\r
 244                 d += (g_menuscreen_h / 2 - 480 / 2) * g_menuscreen_w / 2;\r
 245                 d += (g_menuscreen_w / 2 - 640 / 2) / 2;\r
 246                 for (y = 0; y < 240; y++, s += 320, d += g_menuscreen_w*2/2) {\r
 247                         for (x = 0; x < 320; x++) {\r
 248                                 t = s[x];\r
 249                                 t |= t << 16;\r
 250                                 d[x] = d[x + g_menuscreen_w / 2] = t;\r
 251                         }\r
 252                 }\r
 253                 return;\r
 254         }\r
 255 \r
 256         if (g_menuscreen_w >= 320 && g_menuscreen_h >= 240) {\r
 257                 unsigned short *d = g_menubg_src_ptr;\r
 258                 d += (g_menuscreen_h / 2 - 240 / 2) * g_menuscreen_w;\r
 259                 d += (g_menuscreen_w / 2 - 320 / 2);\r
 260                 for (y = 0; y < 240; y++, s += 320, d += g_menuscreen_w)\r
 261                         memcpy(d, s, 320*2);\r
 262                 return;\r
 263         }\r
 264 }\r
 265 \r
 266 void pemu_forced_frame(int no_scale, int do_emu)\r
 267 {\r
 268         doing_bg_frame = 1;\r
 269         emu_cmn_forced_frame(no_scale, do_emu);\r
 270         doing_bg_frame = 0;\r
 271 \r
 272         // making a copy because enabling the layer clears it's mem\r
 273         memcpy32((void *)fb_copy, g_screen_ptr, sizeof(fb_copy) / 4);\r
 274         make_bg(no_scale);\r
 275 }\r
 276 \r
 277 static void oss_write_nonblocking(int len)\r
 278 {\r
 279         // sndout_oss_can_write() is not reliable, only use with no_frmlimit\r
 280         if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
 281                 return;\r
 282 \r
 283         sndout_oss_write_nb(PsndOut, len);\r
 284 }\r
 285 \r
 286 void pemu_sound_start(void)\r
 287 {\r
 288         PsndOut = NULL;\r
 289 \r
 290         if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
 291         {\r
 292                 int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
 293 \r
 294                 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
 295 \r
 296                 /*\r
 297                  * for 44k stereo, we do 1470 samples/emu_frame\r
 298                  * OMAP driver does power of 2 buffers, so we need at least 4K buffer.\r
 299                  * The most we can lag is 1K samples, size of OMAP's McBSP FIFO,\r
 300                  * with 2K sample buffer we might sometimes lag more than that,\r
 301                  * thus causing underflows.\r
 302                  */\r
 303                 printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
 304                         PsndRate, PsndLen, is_stereo, Pico.m.pal);\r
 305                 sndout_oss_start(PsndRate, is_stereo, 2);\r
 306                 //sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
 307                 PicoWriteSound = oss_write_nonblocking;\r
 308                 plat_update_volume(0, 0);\r
 309                 memset(sndBuffer, 0, sizeof(sndBuffer));\r
 310                 PsndOut = sndBuffer;\r
 311         }\r
 312 }\r
 313 \r
 314 void pemu_sound_stop(void)\r
 315 {\r
 316         sndout_oss_stop();\r
 317 }\r
 318 \r
 319 void pemu_sound_wait(void)\r
 320 {\r
 321         // don't need to do anything, writes will block by themselves\r
 322 }\r
 323 \r
 324 void plat_debug_cat(char *str)\r
 325 {\r
 326 }\r
 327 \r
 328 static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)\r
 329 {\r
 330         struct omapfb_plane_info pi;\r
 331         struct omapfb_mem_info mi;\r
 332         int ret;\r
 333 \r
 334         ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);\r
 335         if (ret != 0) {\r
 336                 perror("QUERY_PLANE");\r
 337                 return -1;\r
 338         }\r
 339 \r
 340         ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);\r
 341         if (ret != 0) {\r
 342                 perror("QUERY_MEM");\r
 343                 return -1;\r
 344         }\r
 345 \r
 346         /* must disable when changing stuff */\r
 347         if (pi.enabled) {\r
 348                 pi.enabled = 0;\r
 349                 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
 350                 if (ret != 0)\r
 351                         perror("SETUP_PLANE");\r
 352         }\r
 353 \r
 354         mi.size = 320*240*2*4;\r
 355         ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);\r
 356         if (ret != 0) {\r
 357                 perror("SETUP_MEM");\r
 358                 return -1;\r
 359         }\r
 360 \r
 361         pi.pos_x = x;\r
 362         pi.pos_y = y;\r
 363         pi.out_width = w;\r
 364         pi.out_height = h;\r
 365         pi.enabled = enabled;\r
 366 \r
 367         ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
 368         if (ret != 0) {\r
 369                 perror("SETUP_PLANE");\r
 370                 return -1;\r
 371         }\r
 372 \r
 373         return 0;\r
 374 }\r
 375 \r
 376 int pnd_setup_layer(int enabled, int x, int y, int w, int h)\r
 377 {\r
 378         return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);\r
 379 }\r
 380 \r
 381 void pnd_restore_layer_data(void)\r
 382 {\r
 383         short *t = (short *)fb_copy + 320*240 / 2 + 160;\r
 384 \r
 385         // right now this is used by menu, which wants to preview something\r
 386         // so try to get something on the layer.\r
 387         if ((t[0] | t[5] | t[13]) == 0)\r
 388                 memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);\r
 389 \r
 390         memcpy32(g_screen_ptr, (void *)fb_copy, 320*240*2 / 4);\r
 391         plat_video_flip();\r
 392 }\r
 393 \r
 394 static void apply_filter(int which)\r
 395 {\r
 396         char buf[128];\r
 397         int i;\r
 398 \r
 399         if (pnd_filter_list == NULL)\r
 400                 return;\r
 401 \r
 402         for (i = 0; i < which; i++)\r
 403                 if (pnd_filter_list[i] == NULL)\r
 404                         return;\r
 405 \r
 406         if (pnd_filter_list[i] == NULL)\r
 407                 return;\r
 408 \r
 409         snprintf(buf, sizeof(buf), "%s/op_videofir.sh %s", pnd_script_base, pnd_filter_list[i]);\r
 410         system(buf);\r
 411 }\r
 412 \r
 413 void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
 414 {\r
 415         int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;\r
 416 \r
 417         if (doing_bg_frame)\r
 418                 return;\r
 419 \r
 420         PicoDrawSetOutFormat(PDF_RGB555, 1);\r
 421         PicoDrawSetCallbacks(emuscan, NULL);\r
 422 \r
 423         if (is_32cols) {\r
 424                 fb_w = 256;\r
 425                 fb_left = fb_right = 32;\r
 426         }\r
 427 \r
 428         switch (currentConfig.scaling) {\r
 429         case SCALE_1x1:\r
 430                 g_layer_w = fb_w;\r
 431                 g_layer_h = fb_h;\r
 432                 break;\r
 433         case SCALE_2x2_3x2:\r
 434                 g_layer_w = fb_w * (is_32cols ? 3 : 2);\r
 435                 g_layer_h = fb_h * 2;\r
 436                 break;\r
 437         case SCALE_2x2_2x2:\r
 438                 g_layer_w = fb_w * 2;\r
 439                 g_layer_h = fb_h * 2;\r
 440                 break;\r
 441         case SCALE_FULLSCREEN:\r
 442                 g_layer_w = 800;\r
 443                 g_layer_h = 480;\r
 444                 break;\r
 445         case SCALE_CUSTOM:\r
 446                 g_layer_x = g_layer_cx;\r
 447                 g_layer_y = g_layer_cy;\r
 448                 g_layer_w = g_layer_cw;\r
 449                 g_layer_h = g_layer_ch;\r
 450                 break;\r
 451         }\r
 452 \r
 453         if (currentConfig.scaling != SCALE_CUSTOM) {\r
 454                 // center the layer\r
 455                 g_layer_x = 800 / 2 - g_layer_w / 2;\r
 456                 g_layer_y = 480 / 2 - g_layer_h / 2;\r
 457         }\r
 458 \r
 459         switch (currentConfig.scaling) {\r
 460         case SCALE_FULLSCREEN:\r
 461         case SCALE_CUSTOM:\r
 462                 fb_top = start_line;\r
 463                 fb_h = line_count;\r
 464                 break;\r
 465         }\r
 466         g_osd_fps_x = is_32cols ? 232 : 264;\r
 467         g_osd_y = fb_top + fb_h - 8;\r
 468 \r
 469         pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
 470         vout_fbdev_clear(layer_fb);\r
 471         vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 3);\r
 472         plat_video_flip();\r
 473 }\r
 474 \r
 475 void pemu_loop_prep(void)\r
 476 {\r
 477         static int pal_old = -1;\r
 478         static int filter_old = -1;\r
 479         char buf[128];\r
 480 \r
 481         if (currentConfig.CPUclock != get_cpu_clock()) {\r
 482                 snprintf(buf, sizeof(buf), "unset DISPLAY; echo y | %s/op_cpuspeed.sh %d",\r
 483                          pnd_script_base, currentConfig.CPUclock);\r
 484                 system(buf);\r
 485         }\r
 486 \r
 487         if (Pico.m.pal != pal_old) {\r
 488                 snprintf(buf, sizeof(buf), "%s/op_lcdrate.sh %d",\r
 489                          pnd_script_base, Pico.m.pal ? 50 : 60);\r
 490                 system(buf);\r
 491                 pal_old = Pico.m.pal;\r
 492         }\r
 493 \r
 494         if (currentConfig.filter != filter_old) {\r
 495                 apply_filter(currentConfig.filter);\r
 496                 filter_old = currentConfig.filter;\r
 497         }\r
 498 \r
 499         // make sure there is no junk left behind the layer\r
 500         memset32(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2 / 4);\r
 501         g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
 502 \r
 503         // emu_video_mode_change will call pnd_setup_layer()\r
 504 \r
 505         // dirty buffers better go now than during gameplay\r
 506         sync();\r
 507         sleep(0);\r
 508 \r
 509         pemu_sound_start();\r
 510 }\r
 511 \r
 512 void pemu_loop_end(void)\r
 513 {\r
 514         pemu_sound_stop();\r
 515 \r
 516         /* do one more frame for menu bg */\r
 517         pemu_forced_frame(0, 1);\r
 518 \r
 519         pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
 520 }\r
 521 \r
 522 void plat_wait_till_us(unsigned int us_to)\r
 523 {\r
 524         unsigned int now;\r
 525         signed int diff;\r
 526 \r
 527         now = plat_get_ticks_us();\r
 528 \r
 529         // XXX: need to check NOHZ\r
 530         diff = (signed int)(us_to - now);\r
 531         if (diff > 10000) {\r
 532                 //printf("sleep %d\n", us_to - now);\r
 533                 usleep(diff * 15 / 16);\r
 534                 now = plat_get_ticks_us();\r
 535                 //printf(" wake %d\n", (signed)(us_to - now));\r
 536         }\r
 537 /*\r
 538         while ((signed int)(us_to - now) > 512) {\r
 539                 spend_cycles(1024);\r
 540                 now = plat_get_ticks_us();\r
 541         }\r
 542 */\r
 543 }\r
 544 \r
 545 #include "../linux/oshide.h"\r
 546 \r
 547 void plat_early_init(void)\r
 548 {\r
 549 }\r
 550 \r
 551 void plat_init(void)\r
 552 {\r
 553         const char *main_fb_name, *layer_fb_name;\r
 554         int fd, ret, w, h;\r
 555 \r
 556         main_fb_name = getenv("FBDEV_MAIN");\r
 557         if (main_fb_name == NULL)\r
 558                 main_fb_name = "/dev/fb0";\r
 559 \r
 560         layer_fb_name = getenv("FBDEV_LAYER");\r
 561         if (layer_fb_name == NULL)\r
 562                 layer_fb_name = "/dev/fb1";\r
 563 \r
 564         // must set the layer up first to be able to use it\r
 565         fd = open(layer_fb_name, O_RDWR);\r
 566         if (fd == -1) {\r
 567                 fprintf(stderr, "%s: ", layer_fb_name);\r
 568                 perror("open");\r
 569                 exit(1);\r
 570         }\r
 571 \r
 572         ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
 573         close(fd);\r
 574         if (ret != 0) {\r
 575                 fprintf(stderr, "failed to set up layer, exiting.\n");\r
 576                 exit(1);\r
 577         }\r
 578 \r
 579         oshide_init();\r
 580 \r
 581         w = h = 0;\r
 582         main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);\r
 583         if (main_fb == NULL) {\r
 584                 fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);\r
 585                 exit(1);\r
 586         }\r
 587 \r
 588         g_menuscreen_w = w;\r
 589         g_menuscreen_h = h;\r
 590         g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
 591 \r
 592         w = 320; h = 240;\r
 593         layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);\r
 594         if (layer_fb == NULL) {\r
 595                 fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);\r
 596                 goto fail0;\r
 597         }\r
 598 \r
 599         if (w != g_screen_width || h != g_screen_height) {\r
 600                 fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);\r
 601                 goto fail1;\r
 602         }\r
 603         g_screen_ptr = vout_fbdev_flip(layer_fb);\r
 604 \r
 605         temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);\r
 606         if (temp_frame == NULL) {\r
 607                 fprintf(stderr, "OOM\n");\r
 608                 goto fail1;\r
 609         }\r
 610         g_menubg_ptr = temp_frame;\r
 611         g_menubg_src_ptr = temp_frame;\r
 612         PicoDraw2FB = temp_frame;\r
 613 \r
 614         sndout_oss_init();\r
 615         pnd_menu_init();\r
 616 \r
 617         in_set_config(in_name_to_id("evdev:gpio-keys"), IN_CFG_KEY_NAMES,\r
 618                       pandora_gpio_keys, sizeof(pandora_gpio_keys));\r
 619         return;\r
 620 \r
 621 fail1:\r
 622         vout_fbdev_finish(layer_fb);\r
 623 fail0:\r
 624         vout_fbdev_finish(main_fb);\r
 625         exit(1);\r
 626 }\r
 627 \r
 628 void plat_finish(void)\r
 629 {\r
 630         sndout_oss_exit();\r
 631         vout_fbdev_finish(main_fb);\r
 632         oshide_finish();\r
 633 \r
 634         printf("all done\n");\r
 635 }\r
 636 \r