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 #define LAYER_MEM_SIZE (320*240*2 * 4)
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38 static struct vout_fbdev *main_fb, *layer_fb;
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39 // g_layer_* - in use, g_layer_c* - configured custom
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40 int g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch;
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41 static int g_layer_x, g_layer_y;
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42 static int g_layer_w = 320, g_layer_h = 240;
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43 static int g_osd_fps_x, g_osd_y, doing_bg_frame;
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45 static unsigned char __attribute__((aligned(4))) fb_copy[320 * 240 * 2];
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46 static void *temp_frame;
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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_R, IN_BINDTYPE_EMU, PEVB_RESET },
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78 { KEY_F, IN_BINDTYPE_EMU, PEVB_FF },
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79 { KEY_BACKSPACE,IN_BINDTYPE_EMU, PEVB_FF },
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80 { KEY_BACKSLASH,IN_BINDTYPE_EMU, PEVB_MENU },
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81 { KEY_SPACE, IN_BINDTYPE_EMU, PEVB_MENU },
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82 { KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU },
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83 { KEY_HOME, IN_BINDTYPE_PLAYER12, GBTN_A },
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84 { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, GBTN_B },
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85 { KEY_END, IN_BINDTYPE_PLAYER12, GBTN_C },
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86 { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, GBTN_START },
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87 { KEY_1, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
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88 { KEY_2, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
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89 { KEY_3, IN_BINDTYPE_EMU, PEVB_SSLOT_PREV },
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90 { KEY_4, IN_BINDTYPE_EMU, PEVB_SSLOT_NEXT },
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91 { KEY_5, IN_BINDTYPE_EMU, PEVB_PICO_PPREV },
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92 { KEY_6, IN_BINDTYPE_EMU, PEVB_PICO_PNEXT },
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93 { KEY_7, IN_BINDTYPE_EMU, PEVB_PICO_SWINP },
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97 static const struct menu_keymap key_pbtn_map[] =
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99 { KEY_UP, PBTN_UP },
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100 { KEY_DOWN, PBTN_DOWN },
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101 { KEY_LEFT, PBTN_LEFT },
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102 { KEY_RIGHT, PBTN_RIGHT },
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104 { KEY_END, PBTN_MOK },
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105 { KEY_PAGEDOWN, PBTN_MBACK },
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106 { KEY_HOME, PBTN_MA2 },
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107 { KEY_PAGEUP, PBTN_MA3 },
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108 { KEY_LEFTCTRL, PBTN_MENU },
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109 { KEY_RIGHTSHIFT, PBTN_L },
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110 { KEY_RIGHTCTRL, PBTN_R },
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111 /* "normal" keyboards */
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112 { KEY_ENTER, PBTN_MOK },
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113 { KEY_ESC, PBTN_MBACK },
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114 { KEY_SEMICOLON, PBTN_MA2 },
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115 { KEY_APOSTROPHE, PBTN_MA3 },
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116 { KEY_BACKSLASH, PBTN_MENU },
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117 { KEY_LEFTBRACE, PBTN_L },
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118 { KEY_RIGHTBRACE, PBTN_R },
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121 static const struct in_pdata pandora_evdev_pdata = {
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122 .defbinds = in_evdev_defbinds,
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123 .key_map = key_pbtn_map,
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124 .kmap_size = sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]),
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127 void pemu_prep_defconfig(void)
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129 defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;
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130 defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX;
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131 defaultConfig.scaling = SCALE_2x2_3x2;
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134 void pemu_validate_config(void)
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136 currentConfig.CPUclock = plat_target_cpu_clock_get();
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139 static void draw_cd_leds(void)
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142 old_reg = Pico_mcd->s68k_regs[0];
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146 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;
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147 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;
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148 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =
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149 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =
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150 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;
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151 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =
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152 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =
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153 *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;
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156 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);
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157 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;
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158 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;
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159 *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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160 *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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161 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
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165 void pemu_finalize_frame(const char *fps, const char *notice)
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167 if (notice && notice[0])
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168 emu_osd_text16(2, g_osd_y, notice);
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169 if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))
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170 emu_osd_text16(g_osd_fps_x, g_osd_y, fps);
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171 if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))
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175 void plat_video_flip(void)
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177 g_screen_ptr = vout_fbdev_flip(layer_fb);
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178 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
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180 // XXX: drain OS event queue here, maybe we'll actually use it someday..
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181 xenv_update(NULL, NULL, NULL, NULL);
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184 void plat_video_toggle_renderer(int change, int is_menu)
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188 void plat_video_menu_enter(int is_rom_loaded)
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192 void plat_video_menu_begin(void)
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196 void plat_video_menu_end(void)
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198 g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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201 void plat_video_menu_leave(void)
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205 void plat_video_wait_vsync(void)
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207 vout_fbdev_wait_vsync(main_fb);
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210 void plat_status_msg_clear(void)
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212 vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);
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215 void plat_status_msg_busy_next(const char *msg)
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217 plat_status_msg_clear();
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218 pemu_finalize_frame("", msg);
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220 emu_status_msg("");
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224 void plat_status_msg_busy_first(const char *msg)
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226 plat_status_msg_busy_next(msg);
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229 void plat_update_volume(int has_changed, int is_up)
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233 void pemu_forced_frame(int no_scale, int do_emu)
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235 doing_bg_frame = 1;
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236 emu_cmn_forced_frame(no_scale, do_emu);
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237 doing_bg_frame = 0;
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239 // making a copy because enabling the layer clears it's mem
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240 memcpy((void *)fb_copy, g_screen_ptr, sizeof(fb_copy));
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241 g_menubg_src_ptr = fb_copy;
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244 void pemu_sound_start(void)
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249 void plat_debug_cat(char *str)
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253 static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)
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255 struct omapfb_plane_info pi;
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256 struct omapfb_mem_info mi;
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261 ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
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263 perror("QUERY_PLANE");
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267 ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
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269 perror("QUERY_MEM");
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273 /* must disable when changing stuff */
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274 is_enabled = pi.enabled;
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277 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
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279 perror("SETUP_PLANE");
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284 if (mi.size < LAYER_MEM_SIZE) {
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285 unsigned int size_old = mi.size;
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287 mi.size = LAYER_MEM_SIZE;
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288 ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
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290 perror("SETUP_MEM");
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291 fprintf(stderr, "(requested %u, had %u)\n",
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292 mi.size, size_old);
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301 pi.enabled = enabled;
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303 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
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305 is_enabled = pi.enabled;
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308 perror("SETUP_PLANE");
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312 plat_target_switch_layer(1, is_enabled);
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317 int pnd_setup_layer(int enabled, int x, int y, int w, int h)
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319 return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);
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322 void pnd_restore_layer_data(void)
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324 short *t = (short *)fb_copy + 320*240 / 2 + 160;
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326 // right now this is used by menu, which wants to preview something
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327 // so try to get something on the layer.
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328 if ((t[0] | t[5] | t[13]) == 0)
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329 memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);
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331 memcpy(g_screen_ptr, (void *)fb_copy, 320*240*2);
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335 void emu_video_mode_change(int start_line, int line_count, int is_32cols)
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337 int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;
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339 if (doing_bg_frame)
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344 fb_left = fb_right = 32;
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347 switch (currentConfig.scaling) {
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352 case SCALE_2x2_3x2:
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353 g_layer_w = fb_w * (is_32cols ? 3 : 2);
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354 g_layer_h = fb_h * 2;
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356 case SCALE_2x2_2x2:
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357 g_layer_w = fb_w * 2;
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358 g_layer_h = fb_h * 2;
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360 case SCALE_FULLSCREEN:
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365 g_layer_x = g_layer_cx;
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366 g_layer_y = g_layer_cy;
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367 g_layer_w = g_layer_cw;
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368 g_layer_h = g_layer_ch;
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372 if (currentConfig.scaling != SCALE_CUSTOM) {
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373 // center the layer
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374 g_layer_x = 800 / 2 - g_layer_w / 2;
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375 g_layer_y = 480 / 2 - g_layer_h / 2;
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378 switch (currentConfig.scaling) {
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379 case SCALE_FULLSCREEN:
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381 fb_top = start_line;
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385 g_osd_fps_x = is_32cols ? 232 : 264;
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386 g_osd_y = fb_top + fb_h - 8;
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388 pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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389 vout_fbdev_clear(layer_fb);
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390 vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 4);
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393 PicoDrawSetOutFormat(PDF_RGB555, 0);
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396 void plat_video_loop_prepare(void)
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398 // make sure there is no junk left behind the layer
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399 memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
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400 g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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402 // emu_video_mode_change will call pnd_setup_layer()
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405 void pemu_loop_prep(void)
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407 // dirty buffers better go now than during gameplay
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414 void pemu_loop_end(void)
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416 /* do one more frame for menu bg */
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417 pemu_forced_frame(0, 1);
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419 pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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422 void plat_wait_till_us(unsigned int us_to)
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427 now = plat_get_ticks_us();
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429 // XXX: need to check NOHZ
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430 diff = (signed int)(us_to - now);
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431 if (diff > 10000) {
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432 //printf("sleep %d\n", us_to - now);
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433 usleep(diff * 15 / 16);
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434 now = plat_get_ticks_us();
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435 //printf(" wake %d\n", (signed)(us_to - now));
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438 while ((signed int)(us_to - now) > 512) {
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439 spend_cycles(1024);
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440 now = plat_get_ticks_us();
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445 void plat_early_init(void)
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449 void plat_init(void)
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451 const char *main_fb_name, *layer_fb_name;
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454 main_fb_name = getenv("FBDEV_MAIN");
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455 if (main_fb_name == NULL)
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456 main_fb_name = "/dev/fb0";
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458 layer_fb_name = getenv("FBDEV_LAYER");
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459 if (layer_fb_name == NULL)
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460 layer_fb_name = "/dev/fb1";
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462 // must set the layer up first to be able to use it
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463 fd = open(layer_fb_name, O_RDWR);
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465 fprintf(stderr, "%s: ", layer_fb_name);
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470 ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);
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473 fprintf(stderr, "failed to set up layer, exiting.\n");
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477 xenv_init(NULL, "PicoDrive " VERSION);
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480 main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);
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481 if (main_fb == NULL) {
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482 fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);
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486 g_menuscreen_w = w;
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487 g_menuscreen_h = h;
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488 g_menuscreen_ptr = vout_fbdev_flip(main_fb);
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491 layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 4);
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492 if (layer_fb == NULL) {
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493 fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);
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497 if (w != g_screen_width || h != g_screen_height) {
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498 fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);
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501 g_screen_ptr = vout_fbdev_flip(layer_fb);
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503 temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);
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504 if (temp_frame == NULL) {
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505 fprintf(stderr, "OOM\n");
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508 g_menubg_ptr = temp_frame;
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509 g_menubg_src_ptr = temp_frame;
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513 // default ROM path
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514 strcpy(rom_fname_loaded, "/media");
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516 in_evdev_init(&pandora_evdev_pdata);
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518 plat_target_setup_input();
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520 sndout_oss_frag_frames = 2;
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525 vout_fbdev_finish(layer_fb);
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527 vout_fbdev_finish(main_fb);
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531 void plat_finish(void)
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533 vout_fbdev_finish(main_fb);
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536 printf("all done\n");
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