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platform ps2, handle audio similar to psp
[picodrive.git] / plat.c
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1/*\r
2 * PicoDrive\r
3 * (C) notaz, 2010,2011\r
4 *\r
5 * This work is licensed under the terms of MAME license.\r
6 * See COPYING file in the top-level directory.\r
7 */\r
8\r
9#include <stdio.h>\r
10#include <unistd.h>\r
11#include <sys/types.h>\r
12#include <sys/stat.h>\r
13#include <fcntl.h>\r
14#include <sys/ioctl.h>\r
15#include <unistd.h>\r
16#include <linux/fb.h>\r
17#include <linux/omapfb.h>\r
18#include <linux/input.h>\r
19\r
20#include "../common/emu.h"\r
21#include "../common/arm_utils.h"\r
22#include "../common/input_pico.h"\r
23#include "../common/version.h"\r
24#include "../libpicofe/input.h"\r
25#include "../libpicofe/menu.h"\r
26#include "../libpicofe/plat.h"\r
27#include "../libpicofe/linux/in_evdev.h"\r
28#include "../libpicofe/linux/sndout_oss.h"\r
29#include "../libpicofe/linux/fbdev.h"\r
30#include "../libpicofe/linux/xenv.h"\r
31#include "plat.h"\r
32#include "asm_utils.h"\r
33\r
34#include <pico/pico_int.h>\r
35\r
36#define LAYER_MEM_SIZE (320*240*2 * 4)\r
37\r
38static struct vout_fbdev *main_fb, *layer_fb;\r
39// g_layer_* - in use, g_layer_c* - configured custom\r
40int g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch;\r
41static int g_layer_x, g_layer_y;\r
42static int g_layer_w = 320, g_layer_h = 240;\r
43static int g_osd_fps_x, g_osd_y, doing_bg_frame;\r
44\r
45static unsigned char __attribute__((aligned(4))) fb_copy[320 * 240 * 2];\r
46static void *temp_frame;\r
47const char *renderer_names[] = { NULL };\r
48const char *renderer_names32x[] = { NULL };\r
49\r
50static const char * const pandora_gpio_keys[KEY_MAX + 1] = {\r
51 [0 ... KEY_MAX] = NULL,\r
52 [KEY_UP] = "Up",\r
53 [KEY_LEFT] = "Left",\r
54 [KEY_RIGHT] = "Right",\r
55 [KEY_DOWN] = "Down",\r
56 [KEY_HOME] = "A",\r
57 [KEY_PAGEDOWN] = "X",\r
58 [KEY_END] = "B",\r
59 [KEY_PAGEUP] = "Y",\r
60 [KEY_RIGHTSHIFT]= "L",\r
61 [KEY_RIGHTCTRL] = "R",\r
62 [KEY_LEFTALT] = "Start",\r
63 [KEY_LEFTCTRL] = "Select",\r
64 [KEY_MENU] = "Pandora",\r
65};\r
66\r
67static struct in_default_bind in_evdev_defbinds[] =\r
68{\r
69 { KEY_UP, IN_BINDTYPE_PLAYER12, GBTN_UP },\r
70 { KEY_DOWN, IN_BINDTYPE_PLAYER12, GBTN_DOWN },\r
71 { KEY_LEFT, IN_BINDTYPE_PLAYER12, GBTN_LEFT },\r
72 { KEY_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT },\r
73 { KEY_A, IN_BINDTYPE_PLAYER12, GBTN_A },\r
74 { KEY_S, IN_BINDTYPE_PLAYER12, GBTN_B },\r
75 { KEY_D, IN_BINDTYPE_PLAYER12, GBTN_C },\r
76 { KEY_ENTER, IN_BINDTYPE_PLAYER12, GBTN_START },\r
77 { KEY_F, IN_BINDTYPE_EMU, PEVB_FF },\r
78 { KEY_BACKSPACE,IN_BINDTYPE_EMU, PEVB_FF },\r
79 { KEY_BACKSLASH,IN_BINDTYPE_EMU, PEVB_MENU },\r
80 { KEY_SPACE, IN_BINDTYPE_EMU, PEVB_MENU },\r
81 { KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU },\r
82 { KEY_HOME, IN_BINDTYPE_PLAYER12, GBTN_A },\r
83 { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, GBTN_B },\r
84 { KEY_END, IN_BINDTYPE_PLAYER12, GBTN_C },\r
85 { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, GBTN_START },\r
86 { KEY_1, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },\r
87 { KEY_2, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },\r
88 { KEY_3, IN_BINDTYPE_EMU, PEVB_SSLOT_PREV },\r
89 { KEY_4, IN_BINDTYPE_EMU, PEVB_SSLOT_NEXT },\r
90 { KEY_5, IN_BINDTYPE_EMU, PEVB_PICO_PPREV },\r
91 { KEY_6, IN_BINDTYPE_EMU, PEVB_PICO_PNEXT },\r
92 { KEY_7, IN_BINDTYPE_EMU, PEVB_PICO_SWINP },\r
93 { 0, 0, 0 }\r
94};\r
95\r
96void pemu_prep_defconfig(void)\r
97{\r
98 defaultConfig.EmuOpt |= EOPT_VSYNC|EOPT_16BPP;\r
99 defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX;\r
100 defaultConfig.scaling = SCALE_2x2_3x2;\r
101}\r
102\r
103void pemu_validate_config(void)\r
104{\r
105 currentConfig.CPUclock = plat_target_cpu_clock_get();\r
106}\r
107\r
108static void osd_text(int x, int y, const char *text)\r
109{\r
110 int len = strlen(text)*8;\r
111 int i, h;\r
112\r
113 len++;\r
114 if (x + len > g_screen_width)\r
115 len = g_screen_width - x;\r
116\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 > 0; i--, p++)\r
121 *p = (*p>>2) & 0x39e7;\r
122 }\r
123 emu_text_out16(x, y, text);\r
124}\r
125\r
126static 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
152void pemu_finalize_frame(const char *fps, const char *notice)\r
153{\r
154 if (notice && notice[0])\r
155 osd_text(2, g_osd_y, notice);\r
156 if (fps && fps[0] && (currentConfig.EmuOpt & EOPT_SHOW_FPS))\r
157 osd_text(g_osd_fps_x, g_osd_y, fps);\r
158 if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
159 draw_cd_leds();\r
160}\r
161\r
162void plat_video_flip(void)\r
163{\r
164 g_screen_ptr = vout_fbdev_flip(layer_fb);\r
165 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
166\r
167 // XXX: drain OS event queue here, maybe we'll actually use it someday..\r
168 xenv_update(NULL, NULL, NULL, NULL);\r
169}\r
170\r
171void plat_video_toggle_renderer(int change, int is_menu)\r
172{\r
173}\r
174\r
175void plat_video_menu_enter(int is_rom_loaded)\r
176{\r
177}\r
178\r
179void plat_video_menu_begin(void)\r
180{\r
181}\r
182\r
183void plat_video_menu_end(void)\r
184{\r
185 g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
186}\r
187\r
188void plat_video_menu_leave(void)\r
189{\r
190}\r
191\r
192void plat_video_wait_vsync(void)\r
193{\r
194 vout_fbdev_wait_vsync(main_fb);\r
195}\r
196\r
197void plat_status_msg_clear(void)\r
198{\r
199 vout_fbdev_clear_lines(layer_fb, g_osd_y, 8);\r
200}\r
201\r
202void plat_status_msg_busy_next(const char *msg)\r
203{\r
204 plat_status_msg_clear();\r
205 pemu_finalize_frame("", msg);\r
206 plat_video_flip();\r
207 emu_status_msg("");\r
208 reset_timing = 1;\r
209}\r
210\r
211void plat_status_msg_busy_first(const char *msg)\r
212{\r
213 plat_status_msg_busy_next(msg);\r
214}\r
215\r
216void plat_update_volume(int has_changed, int is_up)\r
217{\r
218}\r
219\r
220void pemu_forced_frame(int no_scale, int do_emu)\r
221{\r
222 doing_bg_frame = 1;\r
223 emu_cmn_forced_frame(no_scale, do_emu);\r
224 doing_bg_frame = 0;\r
225\r
226 // making a copy because enabling the layer clears it's mem\r
227 memcpy((void *)fb_copy, g_screen_ptr, sizeof(fb_copy));\r
228 g_menubg_src_ptr = fb_copy;\r
229}\r
230\r
231void pemu_sound_start(void)\r
232{\r
233 emu_sound_start();\r
234}\r
235\r
236void plat_debug_cat(char *str)\r
237{\r
238}\r
239\r
240static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h)\r
241{\r
242 struct omapfb_plane_info pi;\r
243 struct omapfb_mem_info mi;\r
244 int is_enabled;\r
245 int retval = 0;\r
246 int ret;\r
247\r
248 ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);\r
249 if (ret != 0) {\r
250 perror("QUERY_PLANE");\r
251 return -1;\r
252 }\r
253\r
254 ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);\r
255 if (ret != 0) {\r
256 perror("QUERY_MEM");\r
257 return -1;\r
258 }\r
259\r
260 /* must disable when changing stuff */\r
261 is_enabled = pi.enabled;\r
262 if (is_enabled) {\r
263 pi.enabled = 0;\r
264 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
265 if (ret != 0)\r
266 perror("SETUP_PLANE");\r
267 else\r
268 is_enabled = 0;\r
269 }\r
270\r
271 if (mi.size < LAYER_MEM_SIZE) {\r
272 unsigned int size_old = mi.size;\r
273\r
274 mi.size = LAYER_MEM_SIZE;\r
275 ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);\r
276 if (ret != 0) {\r
277 perror("SETUP_MEM");\r
278 fprintf(stderr, "(requested %u, had %u)\n",\r
279 mi.size, size_old);\r
280 return -1;\r
281 }\r
282 }\r
283\r
284 pi.pos_x = x;\r
285 pi.pos_y = y;\r
286 pi.out_width = w;\r
287 pi.out_height = h;\r
288 pi.enabled = enabled;\r
289\r
290 ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);\r
291 if (ret == 0) {\r
292 is_enabled = pi.enabled;\r
293 }\r
294 else {\r
295 perror("SETUP_PLANE");\r
296 retval = -1;\r
297 }\r
298\r
299 plat_target_switch_layer(1, is_enabled);\r
300\r
301 return retval;\r
302}\r
303\r
304int pnd_setup_layer(int enabled, int x, int y, int w, int h)\r
305{\r
306 return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h);\r
307}\r
308\r
309void pnd_restore_layer_data(void)\r
310{\r
311 short *t = (short *)fb_copy + 320*240 / 2 + 160;\r
312\r
313 // right now this is used by menu, which wants to preview something\r
314 // so try to get something on the layer.\r
315 if ((t[0] | t[5] | t[13]) == 0)\r
316 memset32((void *)fb_copy, 0x07000700, sizeof(fb_copy) / 4);\r
317\r
318 memcpy(g_screen_ptr, (void *)fb_copy, 320*240*2);\r
319 plat_video_flip();\r
320}\r
321\r
322void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
323{\r
324 int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0;\r
325\r
326 if (doing_bg_frame)\r
327 return;\r
328\r
329 if (is_32cols) {\r
330 fb_w = 256;\r
331 fb_left = fb_right = 32;\r
332 }\r
333\r
334 switch (currentConfig.scaling) {\r
335 case SCALE_1x1:\r
336 g_layer_w = fb_w;\r
337 g_layer_h = fb_h;\r
338 break;\r
339 case SCALE_2x2_3x2:\r
340 g_layer_w = fb_w * (is_32cols ? 3 : 2);\r
341 g_layer_h = fb_h * 2;\r
342 break;\r
343 case SCALE_2x2_2x2:\r
344 g_layer_w = fb_w * 2;\r
345 g_layer_h = fb_h * 2;\r
346 break;\r
347 case SCALE_FULLSCREEN:\r
348 g_layer_w = 800;\r
349 g_layer_h = 480;\r
350 break;\r
351 case SCALE_CUSTOM:\r
352 g_layer_x = g_layer_cx;\r
353 g_layer_y = g_layer_cy;\r
354 g_layer_w = g_layer_cw;\r
355 g_layer_h = g_layer_ch;\r
356 break;\r
357 }\r
358\r
359 if (currentConfig.scaling != SCALE_CUSTOM) {\r
360 // center the layer\r
361 g_layer_x = 800 / 2 - g_layer_w / 2;\r
362 g_layer_y = 480 / 2 - g_layer_h / 2;\r
363 }\r
364\r
365 switch (currentConfig.scaling) {\r
366 case SCALE_FULLSCREEN:\r
367 case SCALE_CUSTOM:\r
368 fb_top = start_line;\r
369 fb_h = line_count;\r
370 break;\r
371 }\r
372 g_osd_fps_x = is_32cols ? 232 : 264;\r
373 g_osd_y = fb_top + fb_h - 8;\r
374\r
375 pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
376 vout_fbdev_clear(layer_fb);\r
377 vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 4);\r
378 plat_video_flip();\r
379\r
380 PicoDrawSetOutFormat(PDF_RGB555, 0);\r
381}\r
382\r
383void plat_video_loop_prepare(void)\r
384{\r
385 // make sure there is no junk left behind the layer\r
386 memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);\r
387 g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
388\r
389 // emu_video_mode_change will call pnd_setup_layer()\r
390}\r
391\r
392void pemu_loop_prep(void)\r
393{\r
394 // dirty buffers better go now than during gameplay\r
395 fflush(stdout);\r
396 fflush(stderr);\r
397 sync();\r
398 sleep(0);\r
399}\r
400\r
401void pemu_loop_end(void)\r
402{\r
403 /* do one more frame for menu bg */\r
404 pemu_forced_frame(0, 1);\r
405\r
406 pnd_setup_layer(0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
407}\r
408\r
409void plat_wait_till_us(unsigned int us_to)\r
410{\r
411 unsigned int now;\r
412 signed int diff;\r
413\r
414 now = plat_get_ticks_us();\r
415\r
416 // XXX: need to check NOHZ\r
417 diff = (signed int)(us_to - now);\r
418 if (diff > 10000) {\r
419 //printf("sleep %d\n", us_to - now);\r
420 usleep(diff * 15 / 16);\r
421 now = plat_get_ticks_us();\r
422 //printf(" wake %d\n", (signed)(us_to - now));\r
423 }\r
424/*\r
425 while ((signed int)(us_to - now) > 512) {\r
426 spend_cycles(1024);\r
427 now = plat_get_ticks_us();\r
428 }\r
429*/\r
430}\r
431\r
432void plat_early_init(void)\r
433{\r
434}\r
435\r
436void plat_init(void)\r
437{\r
438 const char *main_fb_name, *layer_fb_name;\r
439 int fd, ret, w, h;\r
440\r
441 main_fb_name = getenv("FBDEV_MAIN");\r
442 if (main_fb_name == NULL)\r
443 main_fb_name = "/dev/fb0";\r
444\r
445 layer_fb_name = getenv("FBDEV_LAYER");\r
446 if (layer_fb_name == NULL)\r
447 layer_fb_name = "/dev/fb1";\r
448\r
449 // must set the layer up first to be able to use it\r
450 fd = open(layer_fb_name, O_RDWR);\r
451 if (fd == -1) {\r
452 fprintf(stderr, "%s: ", layer_fb_name);\r
453 perror("open");\r
454 exit(1);\r
455 }\r
456\r
457 ret = pnd_setup_layer_(fd, 0, g_layer_x, g_layer_y, g_layer_w, g_layer_h);\r
458 close(fd);\r
459 if (ret != 0) {\r
460 fprintf(stderr, "failed to set up layer, exiting.\n");\r
461 exit(1);\r
462 }\r
463\r
464 xenv_init(NULL, "PicoDrive " VERSION);\r
465\r
466 w = h = 0;\r
467 main_fb = vout_fbdev_init(main_fb_name, &w, &h, 16, 2);\r
468 if (main_fb == NULL) {\r
469 fprintf(stderr, "couldn't init fb: %s\n", main_fb_name);\r
470 exit(1);\r
471 }\r
472\r
473 g_menuscreen_w = w;\r
474 g_menuscreen_h = h;\r
475 g_menuscreen_ptr = vout_fbdev_flip(main_fb);\r
476\r
477 w = 320; h = 240;\r
478 layer_fb = vout_fbdev_init(layer_fb_name, &w, &h, 16, 4);\r
479 if (layer_fb == NULL) {\r
480 fprintf(stderr, "couldn't init fb: %s\n", layer_fb_name);\r
481 goto fail0;\r
482 }\r
483\r
484 if (w != g_screen_width || h != g_screen_height) {\r
485 fprintf(stderr, "%dx%d not supported on %s\n", w, h, layer_fb_name);\r
486 goto fail1;\r
487 }\r
488 g_screen_ptr = vout_fbdev_flip(layer_fb);\r
489\r
490 temp_frame = calloc(g_menuscreen_w * g_menuscreen_h * 2, 1);\r
491 if (temp_frame == NULL) {\r
492 fprintf(stderr, "OOM\n");\r
493 goto fail1;\r
494 }\r
495 g_menubg_ptr = temp_frame;\r
496 g_menubg_src_ptr = temp_frame;\r
497\r
498 pnd_menu_init();\r
499\r
500 // default ROM path\r
501 strcpy(rom_fname_loaded, "/media");\r
502\r
503 in_evdev_init(in_evdev_defbinds);\r
504 in_probe();\r
505 plat_target_setup_input();\r
506\r
507 sndout_oss_frag_frames = 2;\r
508\r
509 return;\r
510\r
511fail1:\r
512 vout_fbdev_finish(layer_fb);\r
513fail0:\r
514 vout_fbdev_finish(main_fb);\r
515 exit(1);\r
516}\r
517\r
518void plat_finish(void)\r
519{\r
520 vout_fbdev_finish(main_fb);\r
521 xenv_finish();\r
522\r
523 printf("all done\n");\r
524}\r
525\r
fast MegaDrive/MegaCD/32X emulator