cff531af |
1 | /* |
2 | * PicoDrive |
3 | * (C) notaz, 2006-2009 |
4 | * |
5 | * This work is licensed under the terms of MAME license. |
6 | * See COPYING file in the top-level directory. |
7 | */ |
42171343 |
8 | #include <stdio.h> |
9 | #include <stdlib.h> |
10 | #include <string.h> |
0d9bf4fc |
11 | #include <math.h> |
42171343 |
12 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
14 | #include <fcntl.h> |
15 | #include <sys/mman.h> |
16 | #include <unistd.h> |
17 | |
18 | #include "soc.h" |
19 | #include "soc_mmsp2.h" |
0d9bf4fc |
20 | #include "plat_gp2x.h" |
42171343 |
21 | #include "../common/emu.h" |
b24e0f6c |
22 | #include "../common/plat.h" |
42171343 |
23 | #include "../common/arm_utils.h" |
0d9bf4fc |
24 | #include "940ctl.h" |
42171343 |
25 | |
26 | volatile unsigned short *gp2x_memregs; |
27 | volatile unsigned long *gp2x_memregl; |
28 | extern void *gp2x_screens[4]; |
29 | static int screensel = 0; |
30 | |
ee2a3bdf |
31 | int memdev = -1; /* used by code940 */ |
42171343 |
32 | static int touchdev = -1; |
33 | static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 }; |
34 | |
35 | #define FRAMEBUFF_SIZE 0x30000 |
36 | #define FRAMEBUFF_WHOLESIZE (FRAMEBUFF_SIZE*4) // 320*240*2 + some more |
37 | #define FRAMEBUFF_ADDR0 (0x4000000 - FRAMEBUFF_WHOLESIZE) |
38 | #define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0 + FRAMEBUFF_SIZE) |
39 | #define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1 + FRAMEBUFF_SIZE) |
40 | #define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2 + FRAMEBUFF_SIZE) |
41 | |
42 | static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 }; |
43 | static int gp2x_screenaddrs_use[4]; |
2275c676 |
44 | |
45 | static char gamma_was_changed = 0; |
46 | static char cpuclk_was_changed = 0; |
42171343 |
47 | static unsigned short gp2x_screenaddr_old[4]; |
2275c676 |
48 | static unsigned short memtimex_old[2]; |
49 | static unsigned short reg0910; |
42171343 |
50 | |
42171343 |
51 | /* video stuff */ |
ee2a3bdf |
52 | static void gp2x_video_flip_(void) |
42171343 |
53 | { |
54 | unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3]; |
55 | unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16); |
56 | |
57 | gp2x_memregs[0x2910>>1] = msw; |
58 | gp2x_memregs[0x2914>>1] = msw; |
59 | gp2x_memregs[0x290E>>1] = lsw; |
60 | gp2x_memregs[0x2912>>1] = lsw; |
61 | |
62 | // jump to other buffer: |
63 | g_screen_ptr = gp2x_screens[++screensel&3]; |
64 | } |
65 | |
66 | /* doulblebuffered flip */ |
ee2a3bdf |
67 | static void gp2x_video_flip2_(void) |
42171343 |
68 | { |
69 | unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16); |
70 | |
71 | gp2x_memregs[0x2910>>1] = msw; |
72 | gp2x_memregs[0x2914>>1] = msw; |
73 | gp2x_memregs[0x290E>>1] = 0; |
74 | gp2x_memregs[0x2912>>1] = 0; |
75 | |
76 | // jump to other buffer: |
77 | g_screen_ptr = gp2x_screens[++screensel&1]; |
78 | } |
79 | |
ee2a3bdf |
80 | static void gp2x_video_changemode_ll_(int bpp) |
42171343 |
81 | { |
82 | gp2x_memregs[0x28DA>>1] = (((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/ |
83 | gp2x_memregs[0x290C>>1] = 320*((bpp+1)/8); /*line width in bytes*/ |
84 | } |
85 | |
ee2a3bdf |
86 | static void gp2x_video_setpalette_(int *pal, int len) |
42171343 |
87 | { |
88 | unsigned short *g = (unsigned short *)pal; |
89 | volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1]; |
90 | |
91 | gp2x_memregs[0x2958>>1] = 0; |
92 | |
93 | len *= 2; |
94 | while (len--) |
95 | *memreg = *g++; |
96 | } |
97 | |
ee2a3bdf |
98 | static void gp2x_video_RGB_setscaling_(int ln_offs, int W, int H) |
42171343 |
99 | { |
100 | float escalaw, escalah; |
101 | int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3; |
102 | unsigned short scalw; |
103 | |
104 | // set offset |
105 | gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp; |
106 | gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp; |
107 | gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp; |
108 | gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp; |
109 | |
110 | escalaw = 1024.0; // RGB Horiz LCD |
111 | escalah = 320.0; // RGB Vert LCD |
112 | |
ee2a3bdf |
113 | if (gp2x_memregs[0x2800>>1]&0x100) //TV-Out |
42171343 |
114 | { |
115 | escalaw=489.0; // RGB Horiz TV (PAL, NTSC) |
116 | if (gp2x_memregs[0x2818>>1] == 287) //PAL |
117 | escalah=274.0; // RGB Vert TV PAL |
118 | else if (gp2x_memregs[0x2818>>1] == 239) //NTSC |
119 | escalah=331.0; // RGB Vert TV NTSC |
120 | } |
121 | |
122 | // scale horizontal |
123 | scalw = (unsigned short)((float)escalaw *(W/320.0)); |
ee2a3bdf |
124 | /* if there is no horizontal scaling, vertical doesn't work. |
125 | * Here is a nasty wrokaround... */ |
42171343 |
126 | if (H != 240 && W == 320) scalw--; |
127 | gp2x_memregs[0x2906>>1]=scalw; |
128 | // scale vertical |
129 | gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0)); |
130 | } |
131 | |
ee2a3bdf |
132 | static void gp2x_video_wait_vsync_(void) |
42171343 |
133 | { |
134 | unsigned short v = gp2x_memregs[0x1182>>1]; |
135 | while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) |
136 | spend_cycles(1024); |
137 | } |
138 | |
139 | /* 940 */ |
140 | void pause940(int yes) |
141 | { |
142 | if (yes) |
143 | gp2x_memregs[0x0904>>1] &= 0xFFFE; |
144 | else |
145 | gp2x_memregs[0x0904>>1] |= 1; |
146 | } |
147 | |
148 | void reset940(int yes, int bank) |
149 | { |
150 | gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03); |
151 | } |
152 | |
0d9bf4fc |
153 | /* |
154 | * CPU clock |
155 | * Fout = (m * Fin) / (p * 2^s) |
156 | * m = MDIV+8, p = PDIV+2, s = SDIV |
157 | * |
158 | * m = (Fout * p * 2^s) / Fin |
159 | */ |
160 | |
161 | #define SYS_CLK_FREQ 7372800 |
162 | |
ee2a3bdf |
163 | static void gp2x_set_cpuclk_(unsigned int mhz) |
0d9bf4fc |
164 | { |
165 | unsigned int mdiv, pdiv, sdiv = 0; |
166 | unsigned int v; |
167 | int i; |
168 | |
169 | pdiv = 3; |
170 | mdiv = (mhz * pdiv * 1000000) / SYS_CLK_FREQ; |
171 | if (mdiv & ~0xff) { |
172 | fprintf(stderr, "invalid cpuclk MHz: %u\n", mhz); |
173 | return; |
174 | } |
175 | v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv; |
176 | gp2x_memregs[0x910>>1] = v; |
177 | |
178 | for (i = 0; i < 10000; i++) |
179 | if (!(gp2x_memregs[0x902>>1] & 1)) |
180 | break; |
2275c676 |
181 | |
182 | cpuclk_was_changed = 1; |
0d9bf4fc |
183 | } |
184 | |
185 | /* RAM timings */ |
0d9bf4fc |
186 | #define TIMING_CHECK(t, adj, mask) \ |
187 | t += adj; \ |
188 | if (t & ~mask) \ |
189 | goto bad |
190 | |
ee2a3bdf |
191 | static void set_ram_timing_vals(int tCAS, int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) |
0d9bf4fc |
192 | { |
193 | int i; |
194 | TIMING_CHECK(tCAS, -2, 0x1); |
195 | TIMING_CHECK(tRC, -1, 0xf); |
196 | TIMING_CHECK(tRAS, -1, 0xf); |
197 | TIMING_CHECK(tWR, -1, 0xf); |
198 | TIMING_CHECK(tMRD, -1, 0xf); |
199 | TIMING_CHECK(tRFC, -1, 0xf); |
200 | TIMING_CHECK(tRP, -1, 0xf); |
201 | TIMING_CHECK(tRCD, -1, 0xf); |
202 | |
203 | /* get spend_cycles() into cache */ |
204 | spend_cycles(1); |
205 | |
206 | gp2x_memregs[0x3802>>1] = ((tMRD & 0xF) << 12) | ((tRFC & 0xF) << 8) | ((tRP & 0xF) << 4) | (tRCD & 0xF); |
207 | gp2x_memregs[0x3804>>1] = 0x8000 | ((tCAS & 1) << 12) | ((tRC & 0xF) << 8) | ((tRAS & 0xF) << 4) | (tWR & 0xF); |
208 | |
209 | /* be sure we don't access the mem while it's being reprogrammed */ |
210 | spend_cycles(128*1024); |
211 | for (i = 0; i < 8*1024; i++) |
212 | if (!(gp2x_memregs[0x3804>>1] & 0x8000)) |
213 | break; |
214 | |
215 | printf("RAM timings set.\n"); |
216 | return; |
217 | bad: |
218 | fprintf(stderr, "RAM timings invalid.\n"); |
219 | } |
220 | |
ee2a3bdf |
221 | static void set_ram_timings_(void) |
222 | { |
223 | /* craigix: --cas 2 --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2 */ |
224 | set_ram_timing_vals(2, 6, 4, 1, 1, 1, 2, 2); |
225 | } |
226 | |
227 | static void unset_ram_timings_(void) |
0d9bf4fc |
228 | { |
2275c676 |
229 | gp2x_memregs[0x3802>>1] = memtimex_old[0]; |
230 | gp2x_memregs[0x3804>>1] = memtimex_old[1] | 0x8000; |
0d9bf4fc |
231 | printf("RAM timings reset to startup values.\n"); |
232 | } |
233 | |
234 | /* LCD refresh */ |
235 | typedef struct |
236 | { |
237 | unsigned short reg, valmask, val; |
238 | } |
239 | reg_setting; |
240 | |
241 | /* 120.00 97/0/2/7|25/ 7/ 7/11/37 */ |
242 | static const reg_setting lcd_rate_120[] = |
243 | { |
244 | { 0x0914, 0xffff, (97<<8)|(0<<2)|2 }, /* UPLLSETVREG */ |
245 | { 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */ |
246 | { 0x281A, 0x00ff, 25 }, /* .HSWID(T2) */ |
247 | { 0x281C, 0x00ff, 7 }, /* .HSSTR(T8) */ |
248 | { 0x281E, 0x00ff, 7 }, /* .HSEND(T7) */ |
249 | { 0x2822, 0x01ff, 11 }, /* .VSEND (T9) */ |
250 | { 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */ |
251 | { 0, 0, 0 } |
252 | }; |
253 | |
254 | /* 100.00 96/0/2/7|29/25/53/15/37 */ |
255 | static const reg_setting lcd_rate_100[] = |
256 | { |
257 | { 0x0914, 0xffff, (96<<8)|(0<<2)|2 }, /* UPLLSETVREG */ |
258 | { 0x0924, 0xff00, (2<<14)|(7<<8) }, /* DISPCSETREG */ |
259 | { 0x281A, 0x00ff, 29 }, /* .HSWID(T2) */ |
260 | { 0x281C, 0x00ff, 25 }, /* .HSSTR(T8) */ |
261 | { 0x281E, 0x00ff, 53 }, /* .HSEND(T7) */ |
262 | { 0x2822, 0x01ff, 15 }, /* .VSEND (T9) */ |
263 | { 0x2826, 0x0ff0, 37<<4 }, /* .DESTR(T3) */ |
264 | { 0, 0, 0 } |
265 | }; |
266 | |
267 | static reg_setting lcd_rate_defaults[] = |
268 | { |
269 | { 0x0914, 0xffff, 0 }, |
270 | { 0x0924, 0xff00, 0 }, |
271 | { 0x281A, 0x00ff, 0 }, |
272 | { 0x281C, 0x00ff, 0 }, |
273 | { 0x281E, 0x00ff, 0 }, |
274 | { 0x2822, 0x01ff, 0 }, |
275 | { 0x2826, 0x0ff0, 0 }, |
276 | { 0, 0, 0 } |
277 | }; |
278 | |
279 | static void get_reg_setting(reg_setting *set) |
280 | { |
281 | for (; set->reg; set++) |
282 | { |
283 | unsigned short val = gp2x_memregs[set->reg >> 1]; |
284 | val &= set->valmask; |
285 | set->val = val; |
286 | } |
287 | } |
288 | |
289 | static void set_reg_setting(const reg_setting *set) |
290 | { |
291 | for (; set->reg; set++) |
292 | { |
293 | unsigned short val = gp2x_memregs[set->reg >> 1]; |
294 | val &= ~set->valmask; |
295 | val |= set->val; |
296 | gp2x_memregs[set->reg >> 1] = val; |
297 | } |
298 | } |
299 | |
ee2a3bdf |
300 | static void set_lcd_custom_rate_(int is_pal) |
0d9bf4fc |
301 | { |
302 | if (gp2x_memregs[0x2800>>1] & 0x100) // tv-out |
303 | return; |
304 | |
305 | printf("setting custom LCD refresh (%d Hz)... ", is_pal ? 100 : 120); |
306 | fflush(stdout); |
307 | |
308 | set_reg_setting(is_pal ? lcd_rate_100 : lcd_rate_120); |
309 | printf("done.\n"); |
310 | } |
311 | |
ee2a3bdf |
312 | static void unset_lcd_custom_rate_(void) |
0d9bf4fc |
313 | { |
314 | printf("reset to prev LCD refresh.\n"); |
315 | set_reg_setting(lcd_rate_defaults); |
316 | } |
317 | |
ee2a3bdf |
318 | static void set_lcd_gamma_(int g100, int A_SNs_curve) |
0d9bf4fc |
319 | { |
320 | float gamma = (float) g100 / 100; |
321 | int i; |
322 | gamma = 1 / gamma; |
323 | |
324 | /* enable gamma */ |
325 | gp2x_memregs[0x2880>>1] &= ~(1<<12); |
326 | |
327 | gp2x_memregs[0x295C>>1] = 0; |
328 | for (i = 0; i < 256; i++) |
329 | { |
330 | unsigned char g; |
331 | unsigned short s; |
332 | const unsigned short grey50=143, grey75=177, grey25=97; |
333 | double blah; |
334 | |
335 | if (A_SNs_curve) |
336 | { |
337 | // The next formula is all about gaussian interpolation |
338 | blah = (( -128 * exp(-powf((float) i/64.0f + 2.0f , 2.0f))) + |
339 | ( -64 * exp(-powf((float) i/64.0f + 1.0f , 2.0f))) + |
340 | (grey25 * exp(-powf((float) i/64.0f - 1.0f , 2.0f))) + |
341 | (grey50 * exp(-powf((float) i/64.0f - 2.0f , 2.0f))) + |
342 | (grey75 * exp(-powf((float) i/64.0f - 3.0f , 2.0f))) + |
343 | ( 256 * exp(-powf((float) i/64.0f - 4.0f , 2.0f))) + |
344 | ( 320 * exp(-powf((float) i/64.0f - 5.0f , 2.0f))) + |
345 | ( 384 * exp(-powf((float) i/64.0f - 6.0f , 2.0f)))) / 1.772637; |
346 | blah += 0.5; |
347 | } |
348 | else |
349 | { |
350 | blah = i; |
351 | } |
352 | |
353 | g = (unsigned char)(255.0 * pow(blah/255.0, gamma)); |
354 | //printf("%d : %d\n", i, g); |
355 | s = (g<<8) | g; |
356 | gp2x_memregs[0x295E>>1]= s; |
357 | gp2x_memregs[0x295E>>1]= g; |
358 | } |
2275c676 |
359 | |
360 | gamma_was_changed = 1; |
0d9bf4fc |
361 | } |
362 | |
61753a67 |
363 | static int gp2x_read_battery_(void) |
364 | { |
365 | return -1; /* TODO? */ |
366 | } |
42171343 |
367 | |
368 | /* these are not quite MMSP2 related, |
369 | * more to GP2X F100/F200 consoles themselves. */ |
370 | typedef struct ucb1x00_ts_event |
371 | { |
372 | unsigned short pressure; |
373 | unsigned short x; |
374 | unsigned short y; |
375 | unsigned short pad; |
376 | struct timeval stamp; |
377 | } UCB1X00_TS_EVENT; |
378 | |
379 | int gp2x_touchpad_read(int *x, int *y) |
380 | { |
381 | UCB1X00_TS_EVENT event; |
382 | static int zero_seen = 0; |
383 | int retval; |
384 | |
385 | if (touchdev < 0) return -1; |
386 | |
387 | retval = read(touchdev, &event, sizeof(event)); |
388 | if (retval <= 0) { |
389 | perror("touch read failed"); |
390 | return -1; |
391 | } |
392 | // this is to ignore the messed-up 4.1.x driver |
393 | if (event.pressure == 0) zero_seen = 1; |
394 | |
395 | if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16; |
396 | if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16; |
397 | // printf("read %i %i %i\n", event.pressure, *x, *y); |
398 | |
399 | return zero_seen ? event.pressure : 0; |
400 | } |
401 | |
402 | static void proc_set(const char *path, const char *val) |
403 | { |
404 | FILE *f; |
405 | char tmp[16]; |
406 | |
407 | f = fopen(path, "w"); |
408 | if (f == NULL) { |
409 | printf("failed to open: %s\n", path); |
410 | return; |
411 | } |
412 | |
413 | fprintf(f, "0\n"); |
414 | fclose(f); |
415 | |
416 | printf("\"%s\" is set to: ", path); |
417 | f = fopen(path, "r"); |
418 | if (f == NULL) { |
419 | printf("(open failed)\n"); |
420 | return; |
421 | } |
422 | |
423 | fgets(tmp, sizeof(tmp), f); |
424 | printf("%s", tmp); |
425 | fclose(f); |
426 | } |
427 | |
428 | |
429 | void mmsp2_init(void) |
430 | { |
431 | int i; |
432 | |
433 | memdev = open("/dev/mem", O_RDWR); |
434 | if (memdev == -1) |
435 | { |
436 | perror("open(\"/dev/mem\")"); |
437 | exit(1); |
438 | } |
439 | |
440 | gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); |
441 | if (gp2x_memregs == MAP_FAILED) |
442 | { |
443 | perror("mmap(memregs)"); |
444 | exit(1); |
445 | } |
446 | gp2x_memregl = (unsigned long *) gp2x_memregs; |
447 | |
448 | gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers |
449 | |
450 | gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, |
451 | memdev, gp2x_screenaddrs[0]); |
452 | if (gp2x_screens[0] == MAP_FAILED) |
453 | { |
454 | perror("mmap(g_screen_ptr)"); |
455 | exit(1); |
456 | } |
457 | printf("framebuffers:\n"); |
458 | printf(" %08x -> %p\n", gp2x_screenaddrs[0], gp2x_screens[0]); |
459 | for (i = 1; i < 4; i++) |
460 | { |
461 | gp2x_screens[i] = (char *) gp2x_screens[i - 1] + FRAMEBUFF_SIZE; |
462 | printf(" %08x -> %p\n", gp2x_screenaddrs[i], gp2x_screens[i]); |
463 | } |
464 | |
465 | g_screen_ptr = gp2x_screens[0]; |
466 | screensel = 0; |
467 | |
468 | gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1]; |
469 | gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1]; |
470 | gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1]; |
471 | gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1]; |
472 | |
473 | memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs)); |
474 | |
2275c676 |
475 | /* save startup values: LCD refresh */ |
0d9bf4fc |
476 | get_reg_setting(lcd_rate_defaults); |
477 | |
2275c676 |
478 | /* CPU and RAM timings */ |
479 | reg0910 = gp2x_memregs[0x0910>>1]; |
480 | memtimex_old[0] = gp2x_memregs[0x3802>>1]; |
481 | memtimex_old[1] = gp2x_memregs[0x3804>>1]; |
0d9bf4fc |
482 | |
483 | /* touchscreen */ |
42171343 |
484 | touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY); |
485 | if (touchdev >= 0) { |
486 | FILE *pcf = fopen("/etc/pointercal", "r"); |
487 | if (pcf) { |
488 | fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1], |
489 | &touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]); |
490 | fclose(pcf); |
491 | } |
492 | printf("found touchscreen/wm97xx\n"); |
493 | } |
494 | |
495 | /* disable Linux read-ahead */ |
496 | proc_set("/proc/sys/vm/max-readahead", "0\n"); |
497 | proc_set("/proc/sys/vm/min-readahead", "0\n"); |
0d9bf4fc |
498 | |
499 | /* code940 portion */ |
500 | sharedmem940_init(); |
ee2a3bdf |
501 | |
502 | gp2x_video_flip = gp2x_video_flip_; |
503 | gp2x_video_flip2 = gp2x_video_flip2_; |
504 | gp2x_video_changemode_ll = gp2x_video_changemode_ll_; |
505 | gp2x_video_setpalette = gp2x_video_setpalette_; |
506 | gp2x_video_RGB_setscaling = gp2x_video_RGB_setscaling_; |
507 | gp2x_video_wait_vsync = gp2x_video_wait_vsync_; |
508 | |
509 | gp2x_set_cpuclk = gp2x_set_cpuclk_; |
510 | |
511 | set_lcd_custom_rate = set_lcd_custom_rate_; |
512 | unset_lcd_custom_rate = unset_lcd_custom_rate_; |
513 | set_lcd_gamma = set_lcd_gamma_; |
514 | |
515 | set_ram_timings = set_ram_timings_; |
516 | unset_ram_timings = unset_ram_timings_; |
61753a67 |
517 | gp2x_read_battery = gp2x_read_battery_; |
b24e0f6c |
518 | |
274f95a9 |
519 | gp2x_get_ticks_ms = plat_get_ticks_ms_good; |
520 | gp2x_get_ticks_us = plat_get_ticks_us_good; |
42171343 |
521 | } |
522 | |
523 | void mmsp2_finish(void) |
524 | { |
525 | reset940(1, 3); |
526 | pause940(1); |
0d9bf4fc |
527 | sharedmem940_finish(); |
42171343 |
528 | |
2275c676 |
529 | gp2x_video_RGB_setscaling_(0, 320, 240); |
530 | gp2x_video_changemode_ll_(16); |
531 | |
42171343 |
532 | gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0]; |
533 | gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1]; |
534 | gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2]; |
535 | gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3]; |
536 | |
ee2a3bdf |
537 | unset_lcd_custom_rate_(); |
2275c676 |
538 | if (gamma_was_changed) |
539 | set_lcd_gamma_(100, 0); |
540 | unset_ram_timings_(); |
541 | if (cpuclk_was_changed) |
542 | gp2x_memregs[0x910>>1] = reg0910; |
0d9bf4fc |
543 | |
42171343 |
544 | munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE); |
545 | munmap((void *)gp2x_memregs, 0x10000); |
546 | close(memdev); |
547 | if (touchdev >= 0) |
548 | close(touchdev); |
549 | } |
550 | |