3 * (C) notaz, 2010,2011
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5 * This work is licensed under the terms of MAME license.
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6 * See COPYING file in the top-level directory.
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11 #include <sys/types.h>
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12 #include <sys/stat.h>
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14 #include <sys/ioctl.h>
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16 #include <linux/fb.h>
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17 #include <linux/omapfb.h>
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18 #include <linux/input.h>
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20 #include "../common/emu.h"
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21 #include "../common/arm_utils.h"
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22 #include "../common/input_pico.h"
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23 #include "../common/version.h"
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24 #include "../libpicofe/input.h"
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25 #include "../libpicofe/menu.h"
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26 #include "../libpicofe/plat.h"
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27 #include "../libpicofe/linux/in_evdev.h"
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28 #include "../libpicofe/linux/sndout_oss.h"
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29 #include "../libpicofe/linux/fbdev.h"
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30 #include "../libpicofe/linux/xenv.h"
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32 #include "asm_utils.h"
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34 #include <pico/pico_int.h>
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36 static struct vout_fbdev *main_fb, *layer_fb;
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37 // g_layer_* - in use, g_layer_c* - configured custom
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38 int g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch;
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39 static int g_layer_x, g_layer_y;
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40 static int g_layer_w = 320, g_layer_h = 240;
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41 static int g_osd_fps_x, g_osd_y, doing_bg_frame;
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43 static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";
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44 static unsigned char __attribute__((aligned(4))) fb_copy[320 * 240 * 2];
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45 static void *temp_frame;
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46 unsigned char *PicoDraw2FB;
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47 const char *renderer_names[] = { NULL };
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48 const char *renderer_names32x[] = { NULL };
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50 static const char * const pandora_gpio_keys[KEY_MAX + 1] = {
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51 [0 ... KEY_MAX] = NULL,
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53 [KEY_LEFT] = "Left",
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54 [KEY_RIGHT] = "Right",
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55 [KEY_DOWN] = "Down",
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57 [KEY_PAGEDOWN] = "X",
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60 [KEY_RIGHTSHIFT]= "L",
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61 [KEY_RIGHTCTRL] = "R",
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62 [KEY_LEFTALT] = "Start",
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63 [KEY_LEFTCTRL] = "Select",
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64 [KEY_MENU] = "Pandora",
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67 static struct in_default_bind in_evdev_defbinds[] =
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69 { KEY_UP, IN_BINDTYPE_PLAYER12, GBTN_UP },
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70 { KEY_DOWN, IN_BINDTYPE_PLAYER12, GBTN_DOWN },
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71 { KEY_LEFT, IN_BINDTYPE_PLAYER12, GBTN_LEFT },
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72 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT },
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73 { KEY_A, IN_BINDTYPE_PLAYER12, GBTN_A },
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74 { KEY_S, IN_BINDTYPE_PLAYER12, GBTN_B },
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75 { KEY_D, IN_BINDTYPE_PLAYER12, GBTN_C },
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76 { KEY_ENTER, IN_BINDTYPE_PLAYER12, GBTN_START },
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77 { KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
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78 { KEY_SPACE, IN_BINDTYPE_EMU, PEVB_MENU },
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80 { KEY_HOME, IN_BINDTYPE_PLAYER12, GBTN_A },
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81 { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, GBTN_B },
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82 { KEY_END, IN_BINDTYPE_PLAYER12, GBTN_C },
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83 { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, GBTN_START },
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84 { KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
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85 { KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
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86 { KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU },
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90 void pemu_prep_defconfig(void)
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92 defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;
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93 defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;
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94 defaultConfig.scaling = SCALE_2x2_3x2;
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97 void pemu_validate_config(void)
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99 currentConfig.CPUclock = plat_target_cpu_clock_get();
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102 static void osd_text(int x, int y, const char *text)
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104 int len = strlen(text)*8;
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108 for (h = 0; h < 8; h++) {
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110 p = (unsigned short *)g_screen_ptr + x + g_screen_width*(y + h);
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111 for (i = len; i; i--, p++)
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112 *p = (*p>>2) & 0x39e7;
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114 emu_text_out16(x, y, text);
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117 static void draw_cd_leds(void)
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120 old_reg = Pico_mcd->s68k_regs[0];
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124 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
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125 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
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126 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =
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127 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =
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128 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;
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129 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =
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130 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =
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131 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;
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134 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);
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135 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;
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136 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;
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137 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;
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138 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;
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139 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
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143 static int emuscan(unsigned int num)
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145 DrawLineDest = (unsigned short *)g_screen_ptr + num * g_screen_width;
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150 void pemu_finalize_frame(const char *fps, const char *notice)
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152 if (notice && notice[0])
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153 osd_text(2, g_osd_y, notice);
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154 if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))
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155 osd_text(g_osd_fps_x, g_osd_y, fps);
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156 if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))
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160 void plat_video_flip(void)
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162 g_screen_ptr = vout_fbdev_flip(layer_fb);
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164 // XXX: drain OS event queue here, maybe we'll actually use it someday..
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165 xenv_update(NULL, NULL, NULL, NULL);
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168 void plat_video_toggle_renderer(int change, int is_menu)
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172 void plat_video_menu_enter(int is_rom_loaded)
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176 void plat_video_menu_begin(void)
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180 void plat_video_menu_end(void)
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182 g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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185 void plat_video_menu_leave(void)
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189 void plat_video_wait_vsync(void)
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191 vout_fbdev_wait_vsync(main_fb);
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194 void plat_status_msg_clear(void)
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196 vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);
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199 void plat_status_msg_busy_next(const char *msg)
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201 plat_status_msg_clear();
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202 pemu_finalize_frame("", msg);
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204 emu_status_msg("");
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208 void plat_status_msg_busy_first(const char *msg)
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210 plat_status_msg_busy_next(msg);
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213 void plat_update_volume(int has_changed, int is_up)
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217 void pemu_forced_frame(int no_scale, int do_emu)
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219 doing_bg_frame = 1;
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220 emu_cmn_forced_frame(no_scale, do_emu);
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221 doing_bg_frame = 0;
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223 // making a copy because enabling the layer clears it's mem
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224 memcpy((void *)fb_copy, g_screen_ptr, sizeof(fb_copy));
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225 g_menubg_src_ptr = fb_copy;
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228 void pemu_sound_start(void)
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233 void plat_debug_cat(char *str)
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237 static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)
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239 struct omapfb_plane_info pi;
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240 struct omapfb_mem_info mi;
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243 ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
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245 perror("QUERY_PLANE");
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249 ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
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251 perror("QUERY_MEM");
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255 /* must disable when changing stuff */
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258 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
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260 perror("SETUP_PLANE");
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263 mi.size = 320*240*2*4;
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264 ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
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266 perror("SETUP_MEM");
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274 pi.enabled = enabled;
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276 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
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278 perror("SETUP_PLANE");
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285 int pnd_setup_layer(int enabled, int x, int y, int w, int h)
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287 return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);
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290 void pnd_restore_layer_data(void)
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292 short *t = (short *)fb_copy + 320*240 / 2 + 160;
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294 // right now this is used by menu, which wants to preview something
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295 // so try to get something on the layer.
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296 if ((t[0] | t[5] | t[13]) == 0)
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297 memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);
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299 memcpy(g_screen_ptr, (void *)fb_copy, 320*240*2);
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303 void emu_video_mode_change(int start_line, int line_count, int is_32cols)
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305 int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;
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307 if (doing_bg_frame)
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310 PicoDrawSetOutFormat(PDF_RGB555, 1);
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311 PicoDrawSetCallbacks(emuscan, NULL);
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315 fb_left = fb_right = 32;
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318 switch (currentConfig.scaling) {
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323 case SCALE_2x2_3x2:
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324 g_layer_w = fb_w * (is_32cols ? 3 : 2);
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325 g_layer_h = fb_h * 2;
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327 case SCALE_2x2_2x2:
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328 g_layer_w = fb_w * 2;
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329 g_layer_h = fb_h * 2;
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331 case SCALE_FULLSCREEN:
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336 g_layer_x = g_layer_cx;
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337 g_layer_y = g_layer_cy;
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338 g_layer_w = g_layer_cw;
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339 g_layer_h = g_layer_ch;
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343 if (currentConfig.scaling != SCALE_CUSTOM) {
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344 // center the layer
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345 g_layer_x = 800 / 2 - g_layer_w / 2;
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346 g_layer_y = 480 / 2 - g_layer_h / 2;
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349 switch (currentConfig.scaling) {
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350 case SCALE_FULLSCREEN:
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352 fb_top = start_line;
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356 g_osd_fps_x = is_32cols ? 232 : 264;
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357 g_osd_y = fb_top + fb_h - 8;
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359 pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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360 vout_fbdev_clear(layer_fb);
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361 vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 3);
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365 void plat_video_loop_prepare(void)
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367 // make sure there is no junk left behind the layer
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368 memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
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369 g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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371 // emu_video_mode_change will call pnd_setup_layer()
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374 void pemu_loop_prep(void)
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376 // dirty buffers better go now than during gameplay
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381 void pemu_loop_end(void)
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383 /* do one more frame for menu bg */
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384 pemu_forced_frame(0, 1);
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386 pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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389 void plat_wait_till_us(unsigned int us_to)
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394 now = plat_get_ticks_us();
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396 // XXX: need to check NOHZ
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397 diff = (signed int)(us_to - now);
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398 if (diff > 10000) {
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399 //printf("sleep %d\n", us_to - now);
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400 usleep(diff * 15 / 16);
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401 now = plat_get_ticks_us();
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402 //printf(" wake %d\n", (signed)(us_to - now));
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405 while ((signed int)(us_to - now) > 512) {
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406 spend_cycles(1024);
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407 now = plat_get_ticks_us();
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412 void plat_early_init(void)
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416 void plat_init(void)
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418 const char *main_fb_name, *layer_fb_name;
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421 main_fb_name = getenv("FBDEV_MAIN");
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422 if (main_fb_name == NULL)
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423 main_fb_name = "/dev/fb0";
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425 layer_fb_name = getenv("FBDEV_LAYER");
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426 if (layer_fb_name == NULL)
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427 layer_fb_name = "/dev/fb1";
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429 // must set the layer up first to be able to use it
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430 fd = open(layer_fb_name, O_RDWR);
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432 fprintf(stderr, "%s: ", layer_fb_name);
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437 ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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440 fprintf(stderr, "failed to set up layer, exiting.\n");
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444 xenv_init(NULL, "PicoDrive " VERSION);
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447 main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);
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448 if (main_fb == NULL) {
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449 fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);
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453 g_menuscreen_w = w;
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454 g_menuscreen_h = h;
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455 g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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458 layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 3);
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459 if (layer_fb == NULL) {
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460 fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);
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464 if (w != g_screen_width || h != g_screen_height) {
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465 fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);
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468 g_screen_ptr = vout_fbdev_flip(layer_fb);
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470 temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);
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471 if (temp_frame == NULL) {
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472 fprintf(stderr, "OOM\n");
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475 g_menubg_ptr = temp_frame;
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476 g_menubg_src_ptr = temp_frame;
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477 PicoDraw2FB = temp_frame;
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481 in_evdev_init(in_evdev_defbinds);
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483 plat_target_setup_input();
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485 sndout_oss_frag_frames = 2;
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490 vout_fbdev_finish(layer_fb);
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492 vout_fbdev_finish(main_fb);
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496 void plat_finish(void)
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498 vout_fbdev_finish(main_fb);
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501 printf("all done\n");
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