f89d8471 |
1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2006-2012 |
3 | * |
4 | * This work is licensed under the terms of any of these licenses |
5 | * (at your option): |
6 | * - GNU GPL, version 2 or later. |
7 | * - GNU LGPL, version 2.1 or later. |
8 | * - MAME license. |
9 | * See the COPYING file in the top-level directory. |
10 | */ |
11 | |
d572cbad |
12 | #include <stdio.h> |
13 | #include <stdlib.h> |
14 | #include <string.h> |
fa5e045b |
15 | #include <math.h> |
d572cbad |
16 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
18 | #include <fcntl.h> |
19 | #include <sys/mman.h> |
20 | #include <unistd.h> |
21 | |
22 | #include "soc.h" |
23 | #include "soc_mmsp2.h" |
fa5e045b |
24 | #include "plat_gp2x.h" |
a86e9a3e |
25 | #include "../emu.h" |
26 | #include "../plat.h" |
27 | #include "../arm_utils.h" |
fa5e045b |
28 | #include "940ctl.h" |
d572cbad |
29 | |
30 | volatile unsigned short *gp2x_memregs; |
31 | volatile unsigned long *gp2x_memregl; |
32 | extern void *gp2x_screens[4]; |
33 | static int screensel = 0; |
34 | |
fa8d1331 |
35 | int memdev = -1; /* used by code940 */ |
d572cbad |
36 | static int touchdev = -1; |
37 | static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 }; |
38 | |
39 | #define FRAMEBUFF_SIZE 0x30000 |
40 | #define FRAMEBUFF_WHOLESIZE (FRAMEBUFF_SIZE*4) // 320*240*2 + some more |
41 | #define FRAMEBUFF_ADDR0 (0x4000000 - FRAMEBUFF_WHOLESIZE) |
42 | #define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0 + FRAMEBUFF_SIZE) |
43 | #define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1 + FRAMEBUFF_SIZE) |
44 | #define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2 + FRAMEBUFF_SIZE) |
45 | |
46 | static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 }; |
47 | static int gp2x_screenaddrs_use[4]; |
71769e27 |
48 | |
49 | static char gamma_was_changed = 0; |
50 | static char cpuclk_was_changed = 0; |
d572cbad |
51 | static unsigned short gp2x_screenaddr_old[4]; |
71769e27 |
52 | static unsigned short memtimex_old[2]; |
53 | static unsigned short reg0910; |
d572cbad |
54 | |
d572cbad |
55 | /* video stuff */ |
fa8d1331 |
56 | static void gp2x_video_flip_(void) |
d572cbad |
57 | { |
58 | unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3]; |
59 | unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16); |
60 | |
61 | gp2x_memregs[0x2910>>1] = msw; |
62 | gp2x_memregs[0x2914>>1] = msw; |
63 | gp2x_memregs[0x290E>>1] = lsw; |
64 | gp2x_memregs[0x2912>>1] = lsw; |
65 | |
66 | // jump to other buffer: |
67 | g_screen_ptr = gp2x_screens[++screensel&3]; |
68 | } |
69 | |
70 | /* doulblebuffered flip */ |
fa8d1331 |
71 | static void gp2x_video_flip2_(void) |
d572cbad |
72 | { |
73 | unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16); |
74 | |
75 | gp2x_memregs[0x2910>>1] = msw; |
76 | gp2x_memregs[0x2914>>1] = msw; |
77 | gp2x_memregs[0x290E>>1] = 0; |
78 | gp2x_memregs[0x2912>>1] = 0; |
79 | |
80 | // jump to other buffer: |
81 | g_screen_ptr = gp2x_screens[++screensel&1]; |
82 | } |
83 | |
fa8d1331 |
84 | static void gp2x_video_changemode_ll_(int bpp) |
d572cbad |
85 | { |
86 | gp2x_memregs[0x28DA>>1] = (((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/ |
87 | gp2x_memregs[0x290C>>1] = 320*((bpp+1)/8); /*line width in bytes*/ |
88 | } |
89 | |
fa8d1331 |
90 | static void gp2x_video_setpalette_(int *pal, int len) |
d572cbad |
91 | { |
92 | unsigned short *g = (unsigned short *)pal; |
93 | volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1]; |
94 | |
95 | gp2x_memregs[0x2958>>1] = 0; |
96 | |
97 | len *= 2; |
98 | while (len--) |
99 | *memreg = *g++; |
100 | } |
101 | |
fa8d1331 |
102 | static void gp2x_video_RGB_setscaling_(int ln_offs, int W, int H) |
d572cbad |
103 | { |
104 | float escalaw, escalah; |
105 | int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3; |
106 | unsigned short scalw; |
107 | |
108 | // set offset |
109 | gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp; |
110 | gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp; |
111 | gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp; |
112 | gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp; |
113 | |
114 | escalaw = 1024.0; // RGB Horiz LCD |
115 | escalah = 320.0; // RGB Vert LCD |
116 | |
fa8d1331 |
117 | if (gp2x_memregs[0x2800>>1]&0x100) //TV-Out |
d572cbad |
118 | { |
119 | escalaw=489.0; // RGB Horiz TV (PAL, NTSC) |
120 | if (gp2x_memregs[0x2818>>1] == 287) //PAL |
121 | escalah=274.0; // RGB Vert TV PAL |
122 | else if (gp2x_memregs[0x2818>>1] == 239) //NTSC |
123 | escalah=331.0; // RGB Vert TV NTSC |
124 | } |
125 | |
126 | // scale horizontal |
127 | scalw = (unsigned short)((float)escalaw *(W/320.0)); |
fa8d1331 |
128 | /* if there is no horizontal scaling, vertical doesn't work. |
129 | * Here is a nasty wrokaround... */ |
d572cbad |
130 | if (H != 240 && W == 320) scalw--; |
131 | gp2x_memregs[0x2906>>1]=scalw; |
132 | // scale vertical |
133 | gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0)); |
134 | } |
135 | |
fa8d1331 |
136 | static void gp2x_video_wait_vsync_(void) |
d572cbad |
137 | { |
138 | unsigned short v = gp2x_memregs[0x1182>>1]; |
139 | while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) |
140 | spend_cycles(1024); |
141 | } |
142 | |
143 | /* 940 */ |
144 | void pause940(int yes) |
145 | { |
146 | if (yes) |
147 | gp2x_memregs[0x0904>>1] &= 0xFFFE; |
148 | else |
149 | gp2x_memregs[0x0904>>1] |= 1; |
150 | } |
151 | |
152 | void reset940(int yes, int bank) |
153 | { |
154 | gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03); |
155 | } |
156 | |
fa5e045b |
157 | /* |
158 | * CPU clock |
159 | * Fout = (m * Fin) / (p * 2^s) |
160 | * m = MDIV+8, p = PDIV+2, s = SDIV |
161 | * |
162 | * m = (Fout * p * 2^s) / Fin |
163 | */ |
164 | |
165 | #define SYS_CLK_FREQ 7372800 |
166 | |
fa8d1331 |
167 | static void gp2x_set_cpuclk_(unsigned int mhz) |
fa5e045b |
168 | { |
169 | unsigned int mdiv, pdiv, sdiv = 0; |
170 | unsigned int v; |
171 | int i; |
172 | |
173 | pdiv = 3; |
174 | mdiv = (mhz * pdiv * 1000000) / SYS_CLK_FREQ; |
175 | if (mdiv & ~0xff) { |
176 | fprintf(stderr, "invalid cpuclk MHz: %u\n", mhz); |
177 | return; |
178 | } |
179 | v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv; |
180 | gp2x_memregs[0x910>>1] = v; |
181 | |
182 | for (i = 0; i < 10000; i++) |
183 | if (!(gp2x_memregs[0x902>>1] & 1)) |
184 | break; |
71769e27 |
185 | |
186 | cpuclk_was_changed = 1; |
fa5e045b |
187 | } |
188 | |
189 | /* RAM timings */ |
fa5e045b |
190 | #define TIMING_CHECK(t, adj, mask) \ |
191 | t += adj; \ |
192 | if (t & ~mask) \ |
193 | goto bad |
194 | |
fa8d1331 |
195 | static void set_ram_timing_vals(int tCAS, int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) |
fa5e045b |
196 | { |
197 | int i; |
198 | TIMING_CHECK(tCAS, -2, 0x1); |
199 | TIMING_CHECK(tRC, -1, 0xf); |
200 | TIMING_CHECK(tRAS, -1, 0xf); |
201 | TIMING_CHECK(tWR, -1, 0xf); |
202 | TIMING_CHECK(tMRD, -1, 0xf); |
203 | TIMING_CHECK(tRFC, -1, 0xf); |
204 | TIMING_CHECK(tRP, -1, 0xf); |
205 | TIMING_CHECK(tRCD, -1, 0xf); |
206 | |
207 | /* get spend_cycles() into cache */ |
208 | spend_cycles(1); |
209 | |
210 | gp2x_memregs[0x3802>>1] = ((tMRD & 0xF) << 12) | ((tRFC & 0xF) << 8) | ((tRP & 0xF) << 4) | (tRCD & 0xF); |
211 | gp2x_memregs[0x3804>>1] = 0x8000 | ((tCAS & 1) << 12) | ((tRC & 0xF) << 8) | ((tRAS & 0xF) << 4) | (tWR & 0xF); |
212 | |
213 | /* be sure we don't access the mem while it's being reprogrammed */ |
214 | spend_cycles(128*1024); |
215 | for (i = 0; i < 8*1024; i++) |
216 | if (!(gp2x_memregs[0x3804>>1] & 0x8000)) |
217 | break; |
218 | |
219 | printf("RAM timings set.\n"); |
220 | return; |
221 | bad: |
222 | fprintf(stderr, "RAM timings invalid.\n"); |
223 | } |
224 | |
fa8d1331 |
225 | static void set_ram_timings_(void) |
226 | { |
227 | /* craigix: --cas 2 --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2 */ |
228 | set_ram_timing_vals(2, 6, 4, 1, 1, 1, 2, 2); |
229 | } |
230 | |
231 | static void unset_ram_timings_(void) |
fa5e045b |
232 | { |
71769e27 |
233 | gp2x_memregs[0x3802>>1] = memtimex_old[0]; |
234 | gp2x_memregs[0x3804>>1] = memtimex_old[1] | 0x8000; |
fa5e045b |
235 | printf("RAM timings reset to startup values.\n"); |
236 | } |
237 | |
238 | /* LCD refresh */ |
239 | typedef struct |
240 | { |
241 | unsigned short reg, valmask, val; |
242 | } |
243 | reg_setting; |
244 | |
245 | /* 120.00 97/0/2/7|25/ 7/ 7/11/37 */ |
246 | static const reg_setting lcd_rate_120[] = |
247 | { |
248 | { 0x0914, 0xffff, (97<<8)|(0<<2)|2 }, /* UPLLSETVREG */ |
249 | { 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */ |
250 | { 0x281A, 0x00ff, 25 }, /* .HSWID(T2) */ |
251 | { 0x281C, 0x00ff, 7 }, /* .HSSTR(T8) */ |
252 | { 0x281E, 0x00ff, 7 }, /* .HSEND(T7) */ |
253 | { 0x2822, 0x01ff, 11 }, /* .VSEND (T9) */ |
254 | { 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */ |
255 | { 0, 0, 0 } |
256 | }; |
257 | |
258 | /* 100.00 96/0/2/7|29/25/53/15/37 */ |
259 | static const reg_setting lcd_rate_100[] = |
260 | { |
261 | { 0x0914, 0xffff, (96<<8)|(0<<2)|2 }, /* UPLLSETVREG */ |
262 | { 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */ |
263 | { 0x281A, 0x00ff, 29 }, /* .HSWID(T2) */ |
264 | { 0x281C, 0x00ff, 25 }, /* .HSSTR(T8) */ |
265 | { 0x281E, 0x00ff, 53 }, /* .HSEND(T7) */ |
266 | { 0x2822, 0x01ff, 15 }, /* .VSEND (T9) */ |
267 | { 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */ |
268 | { 0, 0, 0 } |
269 | }; |
270 | |
271 | static reg_setting lcd_rate_defaults[] = |
272 | { |
273 | { 0x0914, 0xffff, 0 }, |
274 | { 0x0924, 0xff00, 0 }, |
275 | { 0x281A, 0x00ff, 0 }, |
276 | { 0x281C, 0x00ff, 0 }, |
277 | { 0x281E, 0x00ff, 0 }, |
278 | { 0x2822, 0x01ff, 0 }, |
279 | { 0x2826, 0x0ff0, 0 }, |
280 | { 0, 0, 0 } |
281 | }; |
282 | |
283 | static void get_reg_setting(reg_setting *set) |
284 | { |
285 | for (; set->reg; set++) |
286 | { |
287 | unsigned short val = gp2x_memregs[set->reg >> 1]; |
288 | val &= set->valmask; |
289 | set->val = val; |
290 | } |
291 | } |
292 | |
293 | static void set_reg_setting(const reg_setting *set) |
294 | { |
295 | for (; set->reg; set++) |
296 | { |
297 | unsigned short val = gp2x_memregs[set->reg >> 1]; |
298 | val &= ~set->valmask; |
299 | val |= set->val; |
300 | gp2x_memregs[set->reg >> 1] = val; |
301 | } |
302 | } |
303 | |
fa8d1331 |
304 | static void set_lcd_custom_rate_(int is_pal) |
fa5e045b |
305 | { |
306 | if (gp2x_memregs[0x2800>>1] & 0x100) // tv-out |
307 | return; |
308 | |
309 | printf("setting custom LCD refresh (%d Hz)... ", is_pal ? 100 : 120); |
310 | fflush(stdout); |
311 | |
312 | set_reg_setting(is_pal ? lcd_rate_100 : lcd_rate_120); |
313 | printf("done.\n"); |
314 | } |
315 | |
fa8d1331 |
316 | static void unset_lcd_custom_rate_(void) |
fa5e045b |
317 | { |
318 | printf("reset to prev LCD refresh.\n"); |
319 | set_reg_setting(lcd_rate_defaults); |
320 | } |
321 | |
fa8d1331 |
322 | static void set_lcd_gamma_(int g100, int A_SNs_curve) |
fa5e045b |
323 | { |
324 | float gamma = (float) g100 / 100; |
325 | int i; |
326 | gamma = 1 / gamma; |
327 | |
328 | /* enable gamma */ |
329 | gp2x_memregs[0x2880>>1] &= ~(1<<12); |
330 | |
331 | gp2x_memregs[0x295C>>1] = 0; |
332 | for (i = 0; i < 256; i++) |
333 | { |
334 | unsigned char g; |
335 | unsigned short s; |
336 | const unsigned short grey50=143, grey75=177, grey25=97; |
337 | double blah; |
338 | |
339 | if (A_SNs_curve) |
340 | { |
341 | // The next formula is all about gaussian interpolation |
342 | blah = (( -128 * exp(-powf((float) i/64.0f + 2.0f , 2.0f))) + |
343 | ( -64 * exp(-powf((float) i/64.0f + 1.0f , 2.0f))) + |
344 | (grey25 * exp(-powf((float) i/64.0f - 1.0f , 2.0f))) + |
345 | (grey50 * exp(-powf((float) i/64.0f - 2.0f , 2.0f))) + |
346 | (grey75 * exp(-powf((float) i/64.0f - 3.0f , 2.0f))) + |
347 | ( 256 * exp(-powf((float) i/64.0f - 4.0f , 2.0f))) + |
348 | ( 320 * exp(-powf((float) i/64.0f - 5.0f , 2.0f))) + |
349 | ( 384 * exp(-powf((float) i/64.0f - 6.0f , 2.0f)))) / 1.772637; |
350 | blah += 0.5; |
351 | } |
352 | else |
353 | { |
354 | blah = i; |
355 | } |
356 | |
357 | g = (unsigned char)(255.0 * pow(blah/255.0, gamma)); |
358 | //printf("%d : %d\n", i, g); |
359 | s = (g<<8) | g; |
360 | gp2x_memregs[0x295E>>1]= s; |
361 | gp2x_memregs[0x295E>>1]= g; |
362 | } |
71769e27 |
363 | |
364 | gamma_was_changed = 1; |
fa5e045b |
365 | } |
366 | |
053bef76 |
367 | static int gp2x_read_battery_(void) |
368 | { |
369 | return -1; /* TODO? */ |
370 | } |
d572cbad |
371 | |
372 | /* these are not quite MMSP2 related, |
373 | * more to GP2X F100/F200 consoles themselves. */ |
374 | typedef struct ucb1x00_ts_event |
375 | { |
376 | unsigned short pressure; |
377 | unsigned short x; |
378 | unsigned short y; |
379 | unsigned short pad; |
380 | struct timeval stamp; |
381 | } UCB1X00_TS_EVENT; |
382 | |
383 | int gp2x_touchpad_read(int *x, int *y) |
384 | { |
385 | UCB1X00_TS_EVENT event; |
386 | static int zero_seen = 0; |
387 | int retval; |
388 | |
389 | if (touchdev < 0) return -1; |
390 | |
391 | retval = read(touchdev, &event, sizeof(event)); |
392 | if (retval <= 0) { |
393 | perror("touch read failed"); |
394 | return -1; |
395 | } |
396 | // this is to ignore the messed-up 4.1.x driver |
397 | if (event.pressure == 0) zero_seen = 1; |
398 | |
399 | if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16; |
400 | if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16; |
401 | // printf("read %i %i %i\n", event.pressure, *x, *y); |
402 | |
403 | return zero_seen ? event.pressure : 0; |
404 | } |
405 | |
406 | static void proc_set(const char *path, const char *val) |
407 | { |
408 | FILE *f; |
409 | char tmp[16]; |
410 | |
411 | f = fopen(path, "w"); |
412 | if (f == NULL) { |
413 | printf("failed to open: %s\n", path); |
414 | return; |
415 | } |
416 | |
417 | fprintf(f, "0\n"); |
418 | fclose(f); |
419 | |
420 | printf("\"%s\" is set to: ", path); |
421 | f = fopen(path, "r"); |
422 | if (f == NULL) { |
423 | printf("(open failed)\n"); |
424 | return; |
425 | } |
426 | |
427 | fgets(tmp, sizeof(tmp), f); |
428 | printf("%s", tmp); |
429 | fclose(f); |
430 | } |
431 | |
432 | |
433 | void mmsp2_init(void) |
434 | { |
435 | int i; |
436 | |
437 | memdev = open("/dev/mem", O_RDWR); |
438 | if (memdev == -1) |
439 | { |
440 | perror("open(\"/dev/mem\")"); |
441 | exit(1); |
442 | } |
443 | |
444 | gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); |
445 | if (gp2x_memregs == MAP_FAILED) |
446 | { |
447 | perror("mmap(memregs)"); |
448 | exit(1); |
449 | } |
450 | gp2x_memregl = (unsigned long *) gp2x_memregs; |
451 | |
452 | gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers |
453 | |
454 | gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, |
455 | memdev, gp2x_screenaddrs[0]); |
456 | if (gp2x_screens[0] == MAP_FAILED) |
457 | { |
458 | perror("mmap(g_screen_ptr)"); |
459 | exit(1); |
460 | } |
461 | printf("framebuffers:\n"); |
462 | printf(" %08x -> %p\n", gp2x_screenaddrs[0], gp2x_screens[0]); |
463 | for (i = 1; i < 4; i++) |
464 | { |
465 | gp2x_screens[i] = (char *) gp2x_screens[i - 1] + FRAMEBUFF_SIZE; |
466 | printf(" %08x -> %p\n", gp2x_screenaddrs[i], gp2x_screens[i]); |
467 | } |
468 | |
469 | g_screen_ptr = gp2x_screens[0]; |
470 | screensel = 0; |
471 | |
472 | gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1]; |
473 | gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1]; |
474 | gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1]; |
475 | gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1]; |
476 | |
477 | memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs)); |
478 | |
71769e27 |
479 | /* save startup values: LCD refresh */ |
fa5e045b |
480 | get_reg_setting(lcd_rate_defaults); |
481 | |
71769e27 |
482 | /* CPU and RAM timings */ |
483 | reg0910 = gp2x_memregs[0x0910>>1]; |
484 | memtimex_old[0] = gp2x_memregs[0x3802>>1]; |
485 | memtimex_old[1] = gp2x_memregs[0x3804>>1]; |
fa5e045b |
486 | |
487 | /* touchscreen */ |
d572cbad |
488 | touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY); |
489 | if (touchdev >= 0) { |
490 | FILE *pcf = fopen("/etc/pointercal", "r"); |
491 | if (pcf) { |
492 | fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1], |
493 | &touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]); |
494 | fclose(pcf); |
495 | } |
496 | printf("found touchscreen/wm97xx\n"); |
497 | } |
498 | |
499 | /* disable Linux read-ahead */ |
500 | proc_set("/proc/sys/vm/max-readahead", "0\n"); |
501 | proc_set("/proc/sys/vm/min-readahead", "0\n"); |
fa5e045b |
502 | |
503 | /* code940 portion */ |
504 | sharedmem940_init(); |
fa8d1331 |
505 | |
506 | gp2x_video_flip = gp2x_video_flip_; |
507 | gp2x_video_flip2 = gp2x_video_flip2_; |
508 | gp2x_video_changemode_ll = gp2x_video_changemode_ll_; |
509 | gp2x_video_setpalette = gp2x_video_setpalette_; |
510 | gp2x_video_RGB_setscaling = gp2x_video_RGB_setscaling_; |
511 | gp2x_video_wait_vsync = gp2x_video_wait_vsync_; |
512 | |
513 | gp2x_set_cpuclk = gp2x_set_cpuclk_; |
514 | |
515 | set_lcd_custom_rate = set_lcd_custom_rate_; |
516 | unset_lcd_custom_rate = unset_lcd_custom_rate_; |
517 | set_lcd_gamma = set_lcd_gamma_; |
518 | |
519 | set_ram_timings = set_ram_timings_; |
520 | unset_ram_timings = unset_ram_timings_; |
053bef76 |
521 | gp2x_read_battery = gp2x_read_battery_; |
b5bfb864 |
522 | |
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523 | gp2x_get_ticks_ms = plat_get_ticks_ms_good; |
524 | gp2x_get_ticks_us = plat_get_ticks_us_good; |
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525 | } |
526 | |
527 | void mmsp2_finish(void) |
528 | { |
529 | reset940(1, 3); |
530 | pause940(1); |
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531 | sharedmem940_finish(); |
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532 | |
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533 | gp2x_video_RGB_setscaling_(0, 320, 240); |
534 | gp2x_video_changemode_ll_(16); |
535 | |
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536 | gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0]; |
537 | gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1]; |
538 | gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2]; |
539 | gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3]; |
540 | |
fa8d1331 |
541 | unset_lcd_custom_rate_(); |
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542 | if (gamma_was_changed) |
543 | set_lcd_gamma_(100, 0); |
544 | unset_ram_timings_(); |
545 | if (cpuclk_was_changed) |
546 | gp2x_memregs[0x910>>1] = reg0910; |
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547 | |
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548 | munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE); |
549 | munmap((void *)gp2x_memregs, 0x10000); |
550 | close(memdev); |
551 | if (touchdev >= 0) |
552 | close(touchdev); |
553 | } |
554 | |