8b6232a6 |
1 | /* |
2 | Parts used from cpuctrl, Copyright (C) 2005 Hermes/PS2Reality |
3 | Portions Copyright (C) 2009 notaz |
2823a4c8 |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
9 | |
10 | This program is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | GNU General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | */ |
20 | |
21 | |
638cc626 |
22 | #define _GNU_SOURCE |
8b6232a6 |
23 | #include "../common.h" |
2823a4c8 |
24 | #include <sys/mman.h> |
25 | #include <sys/ioctl.h> |
26 | #include <sys/soundcard.h> |
638cc626 |
27 | #include <sys/types.h> |
28 | #include <unistd.h> |
8b6232a6 |
29 | #include <ctype.h> |
2823a4c8 |
30 | #include "gp2x.h" |
e8f5db5d |
31 | #include "pollux_dpc_set.h" |
2823a4c8 |
32 | |
43c24b30 |
33 | static u32 gpsp_gp2x_dev_audio; |
34 | static u32 gpsp_gp2x_dev; |
35 | static u32 gpsp_gp2x_gpiodev; |
36 | |
37 | static u32 gp2x_audio_volume = 74/2; |
2823a4c8 |
38 | |
4742480d |
39 | static volatile u16 *gpsp_gp2x_memregs; |
40 | static volatile u32 *gpsp_gp2x_memregl; |
2823a4c8 |
41 | |
43c24b30 |
42 | u32 button_plat_mask_to_config[] = |
43 | { |
44 | GP2X_UP, |
45 | GP2X_LEFT, |
46 | GP2X_DOWN, |
47 | GP2X_RIGHT, |
48 | GP2X_START, |
49 | GP2X_SELECT, |
50 | GP2X_L, |
51 | GP2X_R, |
52 | GP2X_A, |
53 | GP2X_B, |
54 | GP2X_X, |
55 | GP2X_Y, |
56 | GP2X_VOL_DOWN, |
57 | GP2X_VOL_UP, |
58 | GP2X_PUSH, |
59 | GP2X_VOL_MIDDLE |
60 | }; |
61 | |
62 | u32 gamepad_config_map[16] = |
63 | { |
64 | BUTTON_ID_UP, // Up |
65 | BUTTON_ID_LEFT, // Left |
66 | BUTTON_ID_DOWN, // Down |
67 | BUTTON_ID_RIGHT, // Right |
68 | BUTTON_ID_START, // Start |
69 | BUTTON_ID_SELECT, // Select |
70 | BUTTON_ID_L, // Ltrigger |
71 | BUTTON_ID_R, // Rtrigger |
72 | BUTTON_ID_FPS, // A |
73 | BUTTON_ID_A, // B |
74 | BUTTON_ID_B, // X |
75 | BUTTON_ID_MENU, // Y |
76 | BUTTON_ID_VOLDOWN, // Vol down |
77 | BUTTON_ID_VOLUP, // Vol up |
78 | BUTTON_ID_FPS, // Push |
79 | BUTTON_ID_MENU // Vol middle |
80 | }; |
81 | |
4cdfc0bc |
82 | #ifdef WIZ_BUILD |
83 | #include <linux/fb.h> |
84 | void *gpsp_gp2x_screen; |
5c6e71a0 |
85 | #define fb_buf_count 4 |
86 | static u32 fb_paddr[fb_buf_count]; |
87 | static void *fb_vaddr[fb_buf_count]; |
4cdfc0bc |
88 | static u32 fb_work_buf; |
5c6e71a0 |
89 | static int fb_buf_use; |
42c81190 |
90 | static int fbdev; |
4cdfc0bc |
91 | |
92 | static void fb_video_init() |
93 | { |
94 | struct fb_fix_screeninfo fbfix; |
95 | int i, ret; |
4cdfc0bc |
96 | |
97 | fbdev = open("/dev/fb0", O_RDWR); |
98 | if (fbdev < 0) { |
99 | perror("can't open fbdev"); |
100 | exit(1); |
101 | } |
102 | |
103 | ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix); |
104 | if (ret == -1) |
105 | { |
106 | perror("ioctl(fbdev) failed"); |
107 | exit(1); |
108 | } |
109 | |
110 | printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start); |
111 | fb_paddr[0] = fbfix.smem_start; |
4cdfc0bc |
112 | |
113 | fb_vaddr[0] = mmap(0, 320*240*2*fb_buf_count, PROT_READ|PROT_WRITE, |
114 | MAP_SHARED, gpsp_gp2x_dev, fb_paddr[0]); |
115 | if (fb_vaddr[0] == MAP_FAILED) |
116 | { |
117 | perror("mmap(fb_vaddr) failed"); |
118 | exit(1); |
119 | } |
120 | memset(fb_vaddr[0], 0, 320*240*2*fb_buf_count); |
121 | |
122 | printf(" %p -> %08x\n", fb_vaddr[0], fb_paddr[0]); |
123 | for (i = 1; i < fb_buf_count; i++) |
124 | { |
125 | fb_paddr[i] = fb_paddr[i-1] + 320*240*2; |
126 | fb_vaddr[i] = (char *)fb_vaddr[i-1] + 320*240*2; |
127 | printf(" %p -> %08x\n", fb_vaddr[i], fb_paddr[i]); |
128 | } |
129 | fb_work_buf = 0; |
130 | fb_buf_use = fb_buf_count; |
131 | |
132 | pollux_video_flip(); |
133 | warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); |
134 | } |
135 | |
136 | void pollux_video_flip() |
137 | { |
4cdfc0bc |
138 | gpsp_gp2x_memregl[0x406C>>2] = fb_paddr[fb_work_buf]; |
139 | gpsp_gp2x_memregl[0x4058>>2] |= 0x10; |
140 | fb_work_buf++; |
141 | if (fb_work_buf >= fb_buf_use) |
142 | fb_work_buf = 0; |
143 | gpsp_gp2x_screen = fb_vaddr[fb_work_buf]; |
144 | } |
145 | |
146 | void fb_use_buffers(int count) |
147 | { |
148 | if (count < 1) |
149 | count = 1; |
150 | else if (count > fb_buf_count) |
151 | count = fb_buf_count; |
152 | fb_buf_use = count; |
5c6e71a0 |
153 | memset(fb_vaddr[0], 0, 320*240*2*count); |
4cdfc0bc |
154 | } |
155 | |
42c81190 |
156 | void wiz_lcd_set_portrait(int y) |
157 | { |
158 | static int old_y = -1; |
159 | int cmd[2] = { 0, 0 }; |
160 | |
161 | if (old_y == y) |
162 | return; |
163 | cmd[0] = y ? 6 : 5; |
164 | ioctl(fbdev, _IOW('D', 90, int[2]), cmd); |
165 | gpsp_gp2x_memregl[0x4004>>2] = y ? 0x013f00ef : 0x00ef013f; |
166 | gpsp_gp2x_memregl[0x4000>>2] |= 1 << 3; |
167 | old_y = y; |
e8f5db5d |
168 | |
169 | /* the above ioctl resets LCD timings, so set them here */ |
170 | pollux_dpc_set(gpsp_gp2x_memregs, getenv("pollux_dpc_set")); |
42c81190 |
171 | } |
172 | |
4cdfc0bc |
173 | static void fb_video_exit() |
174 | { |
42c81190 |
175 | /* switch to default fb mem, turn portrait off */ |
4cdfc0bc |
176 | gpsp_gp2x_memregl[0x406C>>2] = fb_paddr[0]; |
177 | gpsp_gp2x_memregl[0x4058>>2] |= 0x10; |
42c81190 |
178 | wiz_lcd_set_portrait(0); |
179 | close(fbdev); |
180 | } |
181 | |
182 | static int wiz_gamepak_fd = -1; |
183 | static u32 wiz_gamepak_size; |
184 | |
185 | static void wiz_gamepak_cleanup() |
186 | { |
187 | if (wiz_gamepak_size) |
188 | munmap(gamepak_rom, wiz_gamepak_size); |
189 | if (wiz_gamepak_fd >= 0) |
190 | close(wiz_gamepak_fd); |
191 | gamepak_rom = NULL; |
192 | wiz_gamepak_size = 0; |
193 | wiz_gamepak_fd = -1; |
4cdfc0bc |
194 | } |
42c81190 |
195 | |
196 | u32 wiz_load_gamepak(char *name) |
197 | { |
198 | char *dot_position = strrchr(name, '.'); |
199 | u32 ret; |
200 | |
201 | if (!strcasecmp(dot_position, ".zip")) |
202 | { |
203 | if (wiz_gamepak_fd >= 0) |
204 | { |
205 | wiz_gamepak_cleanup(); |
206 | printf("switching to ROM malloc\n"); |
207 | init_gamepak_buffer(); |
208 | } |
209 | return load_file_zip(name); |
210 | } |
211 | |
212 | if (wiz_gamepak_fd < 0) |
213 | { |
214 | extern void *gamepak_memory_map; |
215 | free(gamepak_rom); |
216 | free(gamepak_memory_map); |
217 | gamepak_memory_map = NULL; |
218 | printf("switching to ROM mmap\n"); |
219 | } |
220 | else |
221 | wiz_gamepak_cleanup(); |
222 | |
223 | wiz_gamepak_fd = open(name, O_RDONLY|O_NOATIME, S_IRUSR); |
224 | if (wiz_gamepak_fd < 0) |
225 | { |
226 | perror("wiz_load_gamepak: open failed"); |
227 | return -1; |
228 | } |
229 | |
230 | ret = lseek(wiz_gamepak_fd, 0, SEEK_END); |
231 | wiz_gamepak_size = gamepak_ram_buffer_size = ret; |
232 | |
233 | gamepak_rom = mmap(0, ret, PROT_READ, MAP_SHARED, wiz_gamepak_fd, 0); |
234 | if (gamepak_rom == MAP_FAILED) |
235 | { |
236 | perror("wiz_load_gamepak: mmap failed"); |
237 | return -1; |
238 | } |
239 | |
240 | return ret; |
241 | } |
242 | |
4cdfc0bc |
243 | #endif |
244 | |
5a01fba6 |
245 | static int get_romdir(char *buff, size_t size) |
2823a4c8 |
246 | { |
638cc626 |
247 | FILE *f; |
5a01fba6 |
248 | char *s; |
249 | int r = -1; |
250 | |
251 | f = fopen("romdir.txt", "r"); |
252 | if (f == NULL) |
253 | return -1; |
254 | |
255 | s = fgets(buff, size, f); |
256 | if (s) |
257 | { |
258 | r = strlen(s); |
259 | while (r > 0 && isspace(buff[r-1])) |
260 | buff[--r] = 0; |
261 | } |
262 | |
263 | fclose(f); |
264 | return r; |
265 | } |
266 | |
43c24b30 |
267 | void gpsp_plat_init(void) |
5a01fba6 |
268 | { |
269 | char buff[256]; |
270 | |
2823a4c8 |
271 | gpsp_gp2x_dev = open("/dev/mem", O_RDWR); |
272 | gpsp_gp2x_dev_audio = open("/dev/mixer", O_RDWR); |
8b6232a6 |
273 | gpsp_gp2x_memregl = (u32 *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, |
2823a4c8 |
274 | gpsp_gp2x_dev, 0xc0000000); |
8b6232a6 |
275 | gpsp_gp2x_memregs = (u16 *)gpsp_gp2x_memregl; |
638cc626 |
276 | warm_init(); |
4742480d |
277 | #ifdef WIZ_BUILD |
278 | gpsp_gp2x_gpiodev = open("/dev/GPIO", O_RDONLY); |
4cdfc0bc |
279 | fb_video_init(); |
280 | #endif |
2823a4c8 |
281 | |
5a01fba6 |
282 | if (get_romdir(buff, sizeof(buff)) > 0) |
283 | chdir(buff); |
638cc626 |
284 | |
2823a4c8 |
285 | gp2x_sound_volume(1); |
286 | } |
287 | |
43c24b30 |
288 | void gpsp_plat_quit(void) |
2823a4c8 |
289 | { |
5a01fba6 |
290 | char buff1[256], buff2[256]; |
638cc626 |
291 | |
5a01fba6 |
292 | getcwd(buff1, sizeof(buff1)); |
638cc626 |
293 | chdir(main_path); |
5a01fba6 |
294 | if (get_romdir(buff2, sizeof(buff2)) >= 0 && |
295 | strcmp(buff1, buff2) != 0) |
638cc626 |
296 | { |
5a01fba6 |
297 | FILE *f = fopen("romdir.txt", "w"); |
298 | if (f != NULL) |
299 | { |
300 | printf("writing romdir: %s\n", buff1); |
301 | fprintf(f, "%s", buff1); |
302 | fclose(f); |
303 | } |
638cc626 |
304 | } |
305 | |
306 | warm_finish(); |
4742480d |
307 | #ifdef WIZ_BUILD |
308 | close(gpsp_gp2x_gpiodev); |
4cdfc0bc |
309 | fb_video_exit(); |
42c81190 |
310 | wiz_gamepak_cleanup(); |
4742480d |
311 | #endif |
4cdfc0bc |
312 | munmap((void *)gpsp_gp2x_memregl, 0x10000); |
313 | close(gpsp_gp2x_dev_audio); |
314 | close(gpsp_gp2x_dev); |
90206450 |
315 | |
638cc626 |
316 | fcloseall(); |
5a01fba6 |
317 | sync(); |
42c81190 |
318 | exit(0); |
2823a4c8 |
319 | } |
320 | |
321 | void gp2x_sound_volume(u32 volume_up) |
322 | { |
323 | u32 volume; |
324 | if((volume_up == 0) && (gp2x_audio_volume > 0)) |
325 | gp2x_audio_volume--; |
326 | |
327 | if((volume_up != 0) && (gp2x_audio_volume < 100)) |
328 | gp2x_audio_volume++; |
329 | |
330 | volume = (gp2x_audio_volume * 0x50) / 100; |
331 | volume = (gp2x_audio_volume << 8) | gp2x_audio_volume; |
332 | ioctl(gpsp_gp2x_dev_audio, SOUND_MIXER_WRITE_PCM, &volume); |
333 | } |
334 | |
43c24b30 |
335 | u32 gpsp_plat_joystick_read(void) |
4742480d |
336 | { |
337 | #ifdef WIZ_BUILD |
338 | u32 value = 0; |
339 | read(gpsp_gp2x_gpiodev, &value, 4); |
340 | if(value & 0x02) |
341 | value |= 0x05; |
342 | if(value & 0x08) |
343 | value |= 0x14; |
344 | if(value & 0x20) |
345 | value |= 0x50; |
346 | if(value & 0x80) |
347 | value |= 0x41; |
348 | return value; |
349 | #else |
350 | u32 value = (gpsp_gp2x_memregs[0x1198 >> 1] & 0x00FF); |
351 | |
352 | if(value == 0xFD) |
353 | value = 0xFA; |
354 | if(value == 0xF7) |
355 | value = 0xEB; |
356 | if(value == 0xDF) |
357 | value = 0xAF; |
358 | if(value == 0x7F) |
359 | value = 0xBE; |
360 | |
361 | return ~((gpsp_gp2x_memregs[0x1184 >> 1] & 0xFF00) | value | |
362 | (gpsp_gp2x_memregs[0x1186 >> 1] << 16)); |
363 | #endif |
364 | } |
365 | |
43c24b30 |
366 | u32 gpsp_plat_buttons_to_cursor(u32 buttons) |
367 | { |
368 | gui_action_type new_button = CURSOR_NONE; |
369 | |
370 | if(buttons & GP2X_A) |
371 | new_button = CURSOR_BACK; |
372 | |
373 | if(buttons & GP2X_X) |
374 | new_button = CURSOR_EXIT; |
375 | |
376 | if(buttons & GP2X_B) |
377 | new_button = CURSOR_SELECT; |
378 | |
379 | if(buttons & GP2X_UP) |
380 | new_button = CURSOR_UP; |
381 | |
382 | if(buttons & GP2X_DOWN) |
383 | new_button = CURSOR_DOWN; |
384 | |
385 | if(buttons & GP2X_LEFT) |
386 | new_button = CURSOR_LEFT; |
387 | |
388 | if(buttons & GP2X_RIGHT) |
389 | new_button = CURSOR_RIGHT; |
390 | |
391 | if(buttons & GP2X_L) |
392 | new_button = CURSOR_L; |
393 | |
394 | if(buttons & GP2X_R) |
395 | new_button = CURSOR_R; |
396 | |
397 | return new_button; |
398 | } |
399 | |
638cc626 |
400 | // Fout = (m * Fin) / (p * 2^s) |
4742480d |
401 | void set_FCLK(u32 MHZ) |
402 | { |
638cc626 |
403 | u32 v; |
404 | u32 mdiv, pdiv, sdiv = 0; |
405 | #ifdef WIZ_BUILD |
406 | #define SYS_CLK_FREQ 27 |
407 | // m = MDIV, p = PDIV, s = SDIV |
408 | pdiv = 9; |
409 | mdiv = (MHZ * pdiv) / SYS_CLK_FREQ; |
410 | mdiv &= 0x3ff; |
411 | v = (pdiv<<18) | (mdiv<<8) | sdiv; |
412 | |
413 | gpsp_gp2x_memregl[0xf004>>2] = v; |
414 | gpsp_gp2x_memregl[0xf07c>>2] |= 0x8000; |
5a01fba6 |
415 | while (gpsp_gp2x_memregl[0xf07c>>2] & 0x8000) |
416 | ; |
638cc626 |
417 | #else |
418 | #define SYS_CLK_FREQ 7372800 |
419 | // m = MDIV + 8, p = PDIV + 2, s = SDIV |
420 | pdiv = 3; |
421 | mdiv = (MHZ * pdiv * 1000000) / SYS_CLK_FREQ; |
422 | mdiv &= 0xff; |
423 | v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv; |
424 | gpsp_gp2x_memregs[0x910>>1] = v; |
4742480d |
425 | #endif |
638cc626 |
426 | } |
4742480d |
427 | |