rm unused file
[picodrive.git] / platform / linux / gp2x.c
CommitLineData
c3a82376 1/* faking/emulating gp2x by using xlib */
cc68a136 2#include <stdio.h>
3#include <stdlib.h>
4#include <string.h>
c3a82376 5#include <stdarg.h>
cc68a136 6#include <pthread.h>
69996cb7 7#include <semaphore.h>
cc68a136 8
9#include <unistd.h>
10#include <sys/types.h>
11#include <sys/stat.h>
cc68a136 12#include <fcntl.h>
13#include <errno.h>
14
cc68a136 15#include "../gp2x/version.h"
e2de9939 16#include "../common/emu.h"
bcd94522 17#include "../common/menu.h"
18#include "../common/readpng.h"
e5ab6faf 19#include "sndout_oss.h"
cc68a136 20
4f65685b 21#include "log_io.h"
22
217d08bc 23unsigned long current_keys = 0;
cc68a136 24static int current_bpp = 8;
25static int current_pal[256];
cc68a136 26static const char *verstring = "PicoDrive " VERSION;
e2de9939 27static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
645ec129 28void *gp2x_screens[4];
cc68a136 29
30// dummies
f53f286a 31int mix_32_to_16l_level;
bcd94522 32int crashed_940 = 0;
33int default_cpu_clock = 123;
c18c15ae 34void *gp2x_memregs = NULL;
cc68a136 35
991473ad 36/* faking GP2X pad */
37enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
38 GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
39 GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
40 GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
41
c3a82376 42static void key_press_event(int keycode)
cc68a136 43{
c3a82376 44 switch (keycode)
cc68a136 45 {
217d08bc 46 case 111:
cc68a136 47 case 0x62: current_keys |= GP2X_UP; break;
217d08bc 48 case 116:
cc68a136 49 case 0x68: current_keys |= GP2X_DOWN; break;
217d08bc 50 case 113:
cc68a136 51 case 0x64: current_keys |= GP2X_LEFT; break;
217d08bc 52 case 114:
cc68a136 53 case 0x66: current_keys |= GP2X_RIGHT; break;
54 case 0x24: current_keys |= GP2X_START; break; // enter
55 case 0x23: current_keys |= GP2X_SELECT;break; // ]
56 case 0x34: current_keys |= GP2X_A; break; // z
57 case 0x35: current_keys |= GP2X_X; break; // x
58 case 0x36: current_keys |= GP2X_B; break; // c
59 case 0x37: current_keys |= GP2X_Y; break; // v
60 case 0x27: current_keys |= GP2X_L; break; // s
61 case 0x28: current_keys |= GP2X_R; break; // d
62 case 0x29: current_keys |= GP2X_PUSH; break; // f
63 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
64 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
4f65685b 65 case 0x2d: log_io_clear(); break; // k
66 case 0x2e: log_io_dump(); break; // l
1e6b5e39 67 case 0x17: { // tab
68 extern int PicoReset(void);
69 PicoReset();
70 break;
71 }
cc68a136 72 }
cc68a136 73}
74
c3a82376 75static void key_release_event(int keycode)
cc68a136 76{
c3a82376 77 switch (keycode)
cc68a136 78 {
217d08bc 79 case 111:
cc68a136 80 case 0x62: current_keys &= ~GP2X_UP; break;
217d08bc 81 case 116:
cc68a136 82 case 0x68: current_keys &= ~GP2X_DOWN; break;
217d08bc 83 case 113:
cc68a136 84 case 0x64: current_keys &= ~GP2X_LEFT; break;
217d08bc 85 case 114:
cc68a136 86 case 0x66: current_keys &= ~GP2X_RIGHT; break;
87 case 0x24: current_keys &= ~GP2X_START; break; // enter
88 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
89 case 0x34: current_keys &= ~GP2X_A; break; // z
90 case 0x35: current_keys &= ~GP2X_X; break; // x
91 case 0x36: current_keys &= ~GP2X_B; break; // c
92 case 0x37: current_keys &= ~GP2X_Y; break; // v
93 case 0x27: current_keys &= ~GP2X_L; break; // s
94 case 0x28: current_keys &= ~GP2X_R; break; // d
95 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
96 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
97 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
98 }
cc68a136 99}
100
c3a82376 101/* --- */
102
103#include <X11/Xlib.h>
104#include <X11/Xutil.h>
105
106static Display *xlib_display;
107static Window xlib_window;
108static XImage *ximage;
109
110static void ximage_realloc(Display *display, Visual *visual)
19e1d027 111{
c3a82376 112 void *xlib_screen;
113
114 XLockDisplay(xlib_display);
115
116 if (ximage != NULL)
117 XDestroyImage(ximage);
118 ximage = NULL;
119
120 xlib_screen = calloc(scr_w * scr_h, 4);
121 if (xlib_screen != NULL)
122 ximage = XCreateImage(display, visual, 24, ZPixmap, 0,
123 xlib_screen, scr_w, scr_h, 32, 0);
124 if (ximage == NULL)
125 fprintf(stderr, "failed to alloc ximage\n");
126
127 XUnlockDisplay(xlib_display);
19e1d027 128}
129
c3a82376 130static void xlib_update(void)
cc68a136 131{
c3a82376 132 Status xstatus;
cc68a136 133
c3a82376 134 XLockDisplay(xlib_display);
cc68a136 135
c3a82376 136 xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage,
137 0, 0, 0, 0, g_screen_width, g_screen_height);
138 if (xstatus != 0)
139 fprintf(stderr, "XPutImage %d\n", xstatus);
cc68a136 140
c3a82376 141 XUnlockDisplay(xlib_display);
142}
cc68a136 143
c3a82376 144static void *xlib_threadf(void *targ)
145{
146 unsigned int width, height, display_width, display_height;
147 sem_t *sem = targ;
148 XTextProperty windowName;
149 Window win;
150 XEvent report;
151 Display *display;
152 Visual *visual;
153 int screen;
cc68a136 154
c3a82376 155 XInitThreads();
19e1d027 156
c3a82376 157 xlib_display = display = XOpenDisplay(NULL);
158 if (display == NULL)
159 {
160 fprintf(stderr, "cannot connect to X server %s\n",
161 XDisplayName(NULL));
162 sem_post(sem);
163 return NULL;
164 }
cc68a136 165
c3a82376 166 visual = DefaultVisual(display, 0);
167 if (visual->class != TrueColor)
168 {
169 fprintf(stderr, "cannot handle non true color visual\n");
170 XCloseDisplay(display);
171 sem_post(sem);
172 return NULL;
173 }
cc68a136 174
c3a82376 175 printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
176 VendorRelease(display), DisplayString(display), ProtocolVersion(display),
177 ProtocolRevision(display));
cc68a136 178
c3a82376 179 screen = DefaultScreen(display);
cc68a136 180
c3a82376 181 ximage_realloc(display, visual);
69996cb7 182 sem_post(sem);
183
c3a82376 184 display_width = DisplayWidth(display, screen);
185 display_height = DisplayHeight(display, screen);
69996cb7 186
c3a82376 187 xlib_window = win = XCreateSimpleWindow(display,
188 RootWindow(display, screen),
189 display_width / 2 - scr_w / 2,
190 display_height / 2 - scr_h / 2,
191 scr_w + 2, scr_h + 2, 1,
192 BlackPixel(display, screen),
193 BlackPixel(display, screen));
69996cb7 194
c3a82376 195 XStringListToTextProperty((char **)&verstring, 1, &windowName);
196 XSetWMName(display, win, &windowName);
69996cb7 197
c3a82376 198 XSelectInput(display, win, ExposureMask |
30eb4622 199 KeyPressMask | KeyReleaseMask |
c3a82376 200 StructureNotifyMask);
69996cb7 201
c3a82376 202 XMapWindow(display, win);
cc68a136 203
c3a82376 204 while (1)
205 {
206 XNextEvent(display, &report);
207 switch (report.type)
208 {
209 case Expose:
210 while (XCheckTypedEvent(display, Expose, &report))
211 ;
212 xlib_update();
213 break;
214
215 case ConfigureNotify:
216 width = report.xconfigure.width;
217 height = report.xconfigure.height;
218 if (scr_w != width - 2 || scr_h != height - 2) {
219 scr_w = width - 2;
220 scr_h = height - 2;
221 scr_changed = 1;
222 }
223 break;
224
225 case ButtonPress:
226 break;
227
228 case KeyPress:
229 key_press_event(report.xkey.keycode);
230 break;
231
232 case KeyRelease:
233 key_release_event(report.xkey.keycode);
234 break;
235
236 default:
237 break;
238 }
239 }
cc68a136 240}
241
c3a82376 242static void xlib_init(void)
cc68a136 243{
c3a82376 244 pthread_t x_thread;
245 sem_t xlib_sem;
246
247 sem_init(&xlib_sem, 0, 0);
248
249 pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem);
250 pthread_detach(x_thread);
251
252 sem_wait(&xlib_sem);
253 sem_destroy(&xlib_sem);
cc68a136 254}
255
256/* --- */
257
e2de9939 258static void realloc_screen(void)
259{
260 void *old = g_screen_ptr;
645ec129 261 int i;
e2de9939 262 g_screen_width = scr_w;
263 g_screen_height = scr_h;
e096cf88 264 g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1);
e2de9939 265 free(old);
266 scr_changed = 0;
645ec129 267
268 for (i = 0; i < 4; i++)
269 gp2x_screens[i] = g_screen_ptr;
e2de9939 270}
271
bcd94522 272/* gp2x/emu.c stuff, most to be rm'd */
273static void gp2x_video_flip_(void)
cc68a136 274{
c3a82376 275 unsigned int *image;
276 int pixel_count, i;
cc68a136 277
c3a82376 278 if (ximage == NULL)
cc68a136 279 return;
c3a82376 280
281 pixel_count = g_screen_width * g_screen_height;
282 image = (void *)ximage->data;
cc68a136 283
284 if (current_bpp == 8)
285 {
e2de9939 286 unsigned char *pixels = g_screen_ptr;
cc68a136 287 int pix;
288
e2de9939 289 for (i = 0; i < pixel_count; i++)
cc68a136 290 {
291 pix = current_pal[pixels[i]];
c3a82376 292 image[i] = pix;
cc68a136 293 }
294 }
295 else
296 {
e2de9939 297 unsigned short *pixels = g_screen_ptr;
cc68a136 298
e2de9939 299 for (i = 0; i < pixel_count; i++)
cc68a136 300 {
301 /* in: rrrr rggg gggb bbbb */
302 /* out: rrrr r000 gggg gg00 bbbb b000 */
c3a82376 303 image[i] = (pixels[i] << 8) & 0xf80000;
304 image[i] |= (pixels[i] << 5) & 0x00fc00;
305 image[i] |= (pixels[i] << 3) & 0x0000f8;
cc68a136 306 }
307 }
c3a82376 308 xlib_update();
cc68a136 309
c3a82376 310 if (scr_changed) {
e2de9939 311 realloc_screen();
c3a82376 312 ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0));
313 }
cc68a136 314}
315
bcd94522 316static void gp2x_video_changemode_ll_(int bpp)
317{
318 current_bpp = bpp;
319}
320
321static void gp2x_video_setpalette_(int *pal, int len)
e11c5548 322{
bcd94522 323 memcpy(current_pal, pal, len*4);
324}
325
326void gp2x_memcpy_all_buffers(void *data, int offset, int len)
327{
328}
329
330void gp2x_memset_all_buffers(int offset, int byte, int len)
331{
332 memset((char *)g_screen_ptr + offset, byte, len);
e11c5548 333}
334
cc68a136 335void gp2x_video_changemode(int bpp)
336{
bcd94522 337 gp2x_video_changemode_ll_(bpp);
cc68a136 338}
339
bcd94522 340void gp2x_make_fb_bufferable(int yes)
e11c5548 341{
e11c5548 342}
343
bcd94522 344int soc_detect(void)
cc68a136 345{
bcd94522 346 return 0;
cc68a136 347}
348
bcd94522 349/* plat */
350static char menu_bg_buffer[320*240*2];
351char cpu_clk_name[16] = "GP2X CPU clocks";
352
353void plat_video_menu_enter(int is_rom_loaded)
cc68a136 354{
bcd94522 355 if (is_rom_loaded)
356 {
357 // darken the active framebuffer
358 memset(g_screen_ptr, 0, 320*8*2);
359 menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
360 memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
361 }
362 else
363 {
27701801 364 char buff[256];
365
bcd94522 366 // should really only happen once, on startup..
27701801 367 emu_make_path(buff, "skin/background.png", sizeof(buff));
368 if (readpng(g_screen_ptr, buff, READPNG_BG) < 0)
369 memset(g_screen_ptr, 0, 320*240*2);
bcd94522 370 }
371
372 memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2);
373
374 // switch to 16bpp
375 gp2x_video_changemode_ll_(16);
376 gp2x_video_flip_();
cc68a136 377}
378
bcd94522 379void plat_video_menu_begin(void)
cc68a136 380{
bcd94522 381 memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2);
cc68a136 382}
383
bcd94522 384void plat_video_menu_end(void)
85a4b5a4 385{
bcd94522 386 gp2x_video_flip_();
85a4b5a4 387}
388
bcd94522 389void plat_validate_config(void)
cc68a136 390{
bcd94522 391// PicoOpt &= ~POPT_EXT_FM;
cc68a136 392}
393
bcd94522 394void plat_early_init(void)
cc68a136 395{
396}
397
bcd94522 398void plat_init(void)
cc68a136 399{
bcd94522 400 realloc_screen();
401 memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
402
403 // snd
404 sndout_oss_init();
405
c3a82376 406 xlib_init();
cc68a136 407}
408
bcd94522 409void plat_finish(void)
cc68a136 410{
bcd94522 411 free(g_screen_ptr);
412 sndout_oss_exit();
cc68a136 413}
414
bcd94522 415/* nasty */
416static void do_nothing()
cc68a136 417{
cc68a136 418}
419
bcd94522 420void *gp2x_video_flip = gp2x_video_flip_;
421void *gp2x_video_flip2 = gp2x_video_flip_;
422void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_;
423void *gp2x_video_setpalette = gp2x_video_setpalette_;
424
425void *gp2x_video_RGB_setscaling = do_nothing;
426void *gp2x_video_wait_vsync = do_nothing;
427void *gp2x_set_cpuclk = do_nothing;
45f2f245 428void *gp2x_read_battery = do_nothing;
bcd94522 429void *set_lcd_custom_rate = do_nothing;
430void *unset_lcd_custom_rate = do_nothing;
431void *set_lcd_gamma = do_nothing;
432void *set_ram_timings = do_nothing;
433void *unset_ram_timings = do_nothing;
434
435/* joy */
436int gp2x_touchpad_read(int *x, int *y)
cc68a136 437{
bcd94522 438 return -1;
cc68a136 439}
440
cc68a136 441/* misc */
442void spend_cycles(int c)
443{
46969540 444 usleep(c/200);
cc68a136 445}
446
bcd94522 447int mp3_get_bitrate(FILE *f, int size)
448{
449 return 128;
450}
451
452void mp3_start_play(FILE *f, int pos)
453{
454}
455
456void mp3_update(int *buffer, int length, int stereo)
457{
458}
459
ca61ee42 460/* lprintf */
461void lprintf(const char *fmt, ...)
462{
463 va_list vl;
cc68a136 464
ca61ee42 465 va_start(vl, fmt);
466 vprintf(fmt, vl);
467 va_end(vl);
468}
cc68a136 469