| 1 | /* |
| 2 | Parts used from cpuctrl, Copyright (C) 2005 Hermes/PS2Reality |
| 3 | Portions Copyright (C) 2009 notaz |
| 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 | |
| 22 | #define _GNU_SOURCE |
| 23 | #include "../common.h" |
| 24 | #include <sys/mman.h> |
| 25 | #include <sys/ioctl.h> |
| 26 | #include <sys/soundcard.h> |
| 27 | #include <sys/types.h> |
| 28 | #include <unistd.h> |
| 29 | #include <ctype.h> |
| 30 | #include "gp2x.h" |
| 31 | #include "pollux_dpc_set.h" |
| 32 | |
| 33 | static u32 gpsp_gp2x_dev_audio; |
| 34 | static u32 gpsp_gp2x_dev; |
| 35 | #ifdef WIZ_BUILD |
| 36 | static u32 gpsp_gp2x_gpiodev; |
| 37 | #endif |
| 38 | |
| 39 | static u32 gp2x_audio_volume = 74/2; |
| 40 | |
| 41 | static volatile u16 *gpsp_gp2x_memregs; |
| 42 | static volatile u32 *gpsp_gp2x_memregl; |
| 43 | |
| 44 | u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] = |
| 45 | { |
| 46 | GP2X_UP, |
| 47 | GP2X_LEFT, |
| 48 | GP2X_DOWN, |
| 49 | GP2X_RIGHT, |
| 50 | GP2X_START, |
| 51 | GP2X_SELECT, |
| 52 | GP2X_L, |
| 53 | GP2X_R, |
| 54 | GP2X_A, |
| 55 | GP2X_B, |
| 56 | GP2X_X, |
| 57 | GP2X_Y, |
| 58 | GP2X_VOL_DOWN, |
| 59 | GP2X_VOL_UP, |
| 60 | GP2X_PUSH, |
| 61 | GP2X_VOL_MIDDLE |
| 62 | }; |
| 63 | |
| 64 | u32 gamepad_config_map[PLAT_BUTTON_COUNT] = |
| 65 | { |
| 66 | BUTTON_ID_UP, // Up |
| 67 | BUTTON_ID_LEFT, // Left |
| 68 | BUTTON_ID_DOWN, // Down |
| 69 | BUTTON_ID_RIGHT, // Right |
| 70 | BUTTON_ID_START, // Start |
| 71 | BUTTON_ID_SELECT, // Select |
| 72 | BUTTON_ID_L, // Ltrigger |
| 73 | BUTTON_ID_R, // Rtrigger |
| 74 | BUTTON_ID_FPS, // A |
| 75 | BUTTON_ID_A, // B |
| 76 | BUTTON_ID_B, // X |
| 77 | BUTTON_ID_MENU, // Y |
| 78 | BUTTON_ID_VOLDOWN, // Vol down |
| 79 | BUTTON_ID_VOLUP, // Vol up |
| 80 | BUTTON_ID_FPS, // Push |
| 81 | BUTTON_ID_MENU // Vol middle |
| 82 | }; |
| 83 | |
| 84 | #ifdef WIZ_BUILD |
| 85 | #include <linux/fb.h> |
| 86 | void *gpsp_gp2x_screen; |
| 87 | #define fb_buf_count 4 |
| 88 | static u32 fb_paddr[fb_buf_count]; |
| 89 | static void *fb_vaddr[fb_buf_count]; |
| 90 | static u32 fb_work_buf; |
| 91 | static int fb_buf_use; |
| 92 | static int fbdev; |
| 93 | |
| 94 | static void fb_video_init() |
| 95 | { |
| 96 | struct fb_fix_screeninfo fbfix; |
| 97 | int i, ret; |
| 98 | |
| 99 | fbdev = open("/dev/fb0", O_RDWR); |
| 100 | if (fbdev < 0) { |
| 101 | perror("can't open fbdev"); |
| 102 | exit(1); |
| 103 | } |
| 104 | |
| 105 | ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix); |
| 106 | if (ret == -1) |
| 107 | { |
| 108 | perror("ioctl(fbdev) failed"); |
| 109 | exit(1); |
| 110 | } |
| 111 | |
| 112 | printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start); |
| 113 | fb_paddr[0] = fbfix.smem_start; |
| 114 | |
| 115 | fb_vaddr[0] = mmap(0, 320*240*2*fb_buf_count, PROT_READ|PROT_WRITE, |
| 116 | MAP_SHARED, gpsp_gp2x_dev, fb_paddr[0]); |
| 117 | if (fb_vaddr[0] == MAP_FAILED) |
| 118 | { |
| 119 | perror("mmap(fb_vaddr) failed"); |
| 120 | exit(1); |
| 121 | } |
| 122 | memset(fb_vaddr[0], 0, 320*240*2*fb_buf_count); |
| 123 | |
| 124 | printf(" %p -> %08x\n", fb_vaddr[0], fb_paddr[0]); |
| 125 | for (i = 1; i < fb_buf_count; i++) |
| 126 | { |
| 127 | fb_paddr[i] = fb_paddr[i-1] + 320*240*2; |
| 128 | fb_vaddr[i] = (char *)fb_vaddr[i-1] + 320*240*2; |
| 129 | printf(" %p -> %08x\n", fb_vaddr[i], fb_paddr[i]); |
| 130 | } |
| 131 | fb_work_buf = 0; |
| 132 | fb_buf_use = fb_buf_count; |
| 133 | |
| 134 | pollux_video_flip(); |
| 135 | warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); |
| 136 | } |
| 137 | |
| 138 | void pollux_video_flip() |
| 139 | { |
| 140 | gpsp_gp2x_memregl[0x406C>>2] = fb_paddr[fb_work_buf]; |
| 141 | gpsp_gp2x_memregl[0x4058>>2] |= 0x10; |
| 142 | fb_work_buf++; |
| 143 | if (fb_work_buf >= fb_buf_use) |
| 144 | fb_work_buf = 0; |
| 145 | gpsp_gp2x_screen = fb_vaddr[fb_work_buf]; |
| 146 | } |
| 147 | |
| 148 | void fb_use_buffers(int count) |
| 149 | { |
| 150 | if (count < 1) |
| 151 | count = 1; |
| 152 | else if (count > fb_buf_count) |
| 153 | count = fb_buf_count; |
| 154 | fb_buf_use = count; |
| 155 | memset(fb_vaddr[0], 0, 320*240*2*count); |
| 156 | } |
| 157 | |
| 158 | void wiz_lcd_set_portrait(int y) |
| 159 | { |
| 160 | static int old_y = -1; |
| 161 | int cmd[2] = { 0, 0 }; |
| 162 | |
| 163 | if (old_y == y) |
| 164 | return; |
| 165 | cmd[0] = y ? 6 : 5; |
| 166 | ioctl(fbdev, _IOW('D', 90, int[2]), cmd); |
| 167 | gpsp_gp2x_memregl[0x4004>>2] = y ? 0x013f00ef : 0x00ef013f; |
| 168 | gpsp_gp2x_memregl[0x4000>>2] |= 1 << 3; |
| 169 | old_y = y; |
| 170 | |
| 171 | /* the above ioctl resets LCD timings, so set them here */ |
| 172 | pollux_dpc_set(gpsp_gp2x_memregs, getenv("pollux_dpc_set")); |
| 173 | } |
| 174 | |
| 175 | static void fb_video_exit() |
| 176 | { |
| 177 | /* switch to default fb mem, turn portrait off */ |
| 178 | gpsp_gp2x_memregl[0x406C>>2] = fb_paddr[0]; |
| 179 | gpsp_gp2x_memregl[0x4058>>2] |= 0x10; |
| 180 | wiz_lcd_set_portrait(0); |
| 181 | close(fbdev); |
| 182 | } |
| 183 | |
| 184 | static int wiz_gamepak_fd = -1; |
| 185 | static u32 wiz_gamepak_size; |
| 186 | |
| 187 | static void wiz_gamepak_cleanup() |
| 188 | { |
| 189 | if (wiz_gamepak_size) |
| 190 | munmap(gamepak_rom, wiz_gamepak_size); |
| 191 | if (wiz_gamepak_fd >= 0) |
| 192 | close(wiz_gamepak_fd); |
| 193 | gamepak_rom = NULL; |
| 194 | wiz_gamepak_size = 0; |
| 195 | wiz_gamepak_fd = -1; |
| 196 | } |
| 197 | |
| 198 | u32 wiz_load_gamepak(char *name) |
| 199 | { |
| 200 | char *dot_position = strrchr(name, '.'); |
| 201 | u32 ret; |
| 202 | |
| 203 | if (!strcasecmp(dot_position, ".zip")) |
| 204 | { |
| 205 | if (wiz_gamepak_fd >= 0) |
| 206 | { |
| 207 | wiz_gamepak_cleanup(); |
| 208 | printf("switching to ROM malloc\n"); |
| 209 | init_gamepak_buffer(); |
| 210 | } |
| 211 | return load_file_zip(name); |
| 212 | } |
| 213 | |
| 214 | if (wiz_gamepak_fd < 0) |
| 215 | { |
| 216 | extern void *gamepak_memory_map; |
| 217 | free(gamepak_rom); |
| 218 | free(gamepak_memory_map); |
| 219 | gamepak_memory_map = NULL; |
| 220 | printf("switching to ROM mmap\n"); |
| 221 | } |
| 222 | else |
| 223 | wiz_gamepak_cleanup(); |
| 224 | |
| 225 | wiz_gamepak_fd = open(name, O_RDONLY|O_NOATIME, S_IRUSR); |
| 226 | if (wiz_gamepak_fd < 0) |
| 227 | { |
| 228 | perror("wiz_load_gamepak: open failed"); |
| 229 | return -1; |
| 230 | } |
| 231 | |
| 232 | ret = lseek(wiz_gamepak_fd, 0, SEEK_END); |
| 233 | wiz_gamepak_size = gamepak_ram_buffer_size = ret; |
| 234 | |
| 235 | gamepak_rom = mmap(0, ret, PROT_READ, MAP_SHARED, wiz_gamepak_fd, 0); |
| 236 | if (gamepak_rom == MAP_FAILED) |
| 237 | { |
| 238 | perror("wiz_load_gamepak: mmap failed"); |
| 239 | return -1; |
| 240 | } |
| 241 | |
| 242 | return ret; |
| 243 | } |
| 244 | |
| 245 | #endif |
| 246 | |
| 247 | static int get_romdir(char *buff, size_t size) |
| 248 | { |
| 249 | FILE *f; |
| 250 | char *s; |
| 251 | int r = -1; |
| 252 | |
| 253 | f = fopen("romdir.txt", "r"); |
| 254 | if (f == NULL) |
| 255 | return -1; |
| 256 | |
| 257 | s = fgets(buff, size, f); |
| 258 | if (s) |
| 259 | { |
| 260 | r = strlen(s); |
| 261 | while (r > 0 && isspace(buff[r-1])) |
| 262 | buff[--r] = 0; |
| 263 | } |
| 264 | |
| 265 | fclose(f); |
| 266 | return r; |
| 267 | } |
| 268 | |
| 269 | void gpsp_plat_init(void) |
| 270 | { |
| 271 | char buff[256]; |
| 272 | |
| 273 | gpsp_gp2x_dev = open("/dev/mem", O_RDWR); |
| 274 | gpsp_gp2x_dev_audio = open("/dev/mixer", O_RDWR); |
| 275 | gpsp_gp2x_memregl = (u32 *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, |
| 276 | gpsp_gp2x_dev, 0xc0000000); |
| 277 | gpsp_gp2x_memregs = (u16 *)gpsp_gp2x_memregl; |
| 278 | warm_init(); |
| 279 | #ifdef WIZ_BUILD |
| 280 | gpsp_gp2x_gpiodev = open("/dev/GPIO", O_RDONLY); |
| 281 | fb_video_init(); |
| 282 | #endif |
| 283 | |
| 284 | if (get_romdir(buff, sizeof(buff)) > 0) |
| 285 | chdir(buff); |
| 286 | |
| 287 | gp2x_sound_volume(1); |
| 288 | } |
| 289 | |
| 290 | void gpsp_plat_quit(void) |
| 291 | { |
| 292 | char buff1[256], buff2[256]; |
| 293 | |
| 294 | getcwd(buff1, sizeof(buff1)); |
| 295 | chdir(main_path); |
| 296 | if (get_romdir(buff2, sizeof(buff2)) >= 0 && |
| 297 | strcmp(buff1, buff2) != 0) |
| 298 | { |
| 299 | FILE *f = fopen("romdir.txt", "w"); |
| 300 | if (f != NULL) |
| 301 | { |
| 302 | printf("writing romdir: %s\n", buff1); |
| 303 | fprintf(f, "%s", buff1); |
| 304 | fclose(f); |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | warm_finish(); |
| 309 | #ifdef WIZ_BUILD |
| 310 | close(gpsp_gp2x_gpiodev); |
| 311 | fb_video_exit(); |
| 312 | wiz_gamepak_cleanup(); |
| 313 | #endif |
| 314 | munmap((void *)gpsp_gp2x_memregl, 0x10000); |
| 315 | close(gpsp_gp2x_dev_audio); |
| 316 | close(gpsp_gp2x_dev); |
| 317 | |
| 318 | fcloseall(); |
| 319 | sync(); |
| 320 | exit(0); |
| 321 | } |
| 322 | |
| 323 | void gp2x_sound_volume(u32 volume_up) |
| 324 | { |
| 325 | u32 volume; |
| 326 | if((volume_up == 0) && (gp2x_audio_volume > 0)) |
| 327 | gp2x_audio_volume--; |
| 328 | |
| 329 | if((volume_up != 0) && (gp2x_audio_volume < 100)) |
| 330 | gp2x_audio_volume++; |
| 331 | |
| 332 | volume = (gp2x_audio_volume * 0x50) / 100; |
| 333 | volume = (gp2x_audio_volume << 8) | gp2x_audio_volume; |
| 334 | ioctl(gpsp_gp2x_dev_audio, SOUND_MIXER_WRITE_PCM, &volume); |
| 335 | } |
| 336 | |
| 337 | u32 gpsp_plat_joystick_read(void) |
| 338 | { |
| 339 | #ifdef WIZ_BUILD |
| 340 | u32 value = 0; |
| 341 | read(gpsp_gp2x_gpiodev, &value, 4); |
| 342 | if(value & 0x02) |
| 343 | value |= 0x05; |
| 344 | if(value & 0x08) |
| 345 | value |= 0x14; |
| 346 | if(value & 0x20) |
| 347 | value |= 0x50; |
| 348 | if(value & 0x80) |
| 349 | value |= 0x41; |
| 350 | return value; |
| 351 | #else |
| 352 | u32 value = (gpsp_gp2x_memregs[0x1198 >> 1] & 0x00FF); |
| 353 | |
| 354 | if(value == 0xFD) |
| 355 | value = 0xFA; |
| 356 | if(value == 0xF7) |
| 357 | value = 0xEB; |
| 358 | if(value == 0xDF) |
| 359 | value = 0xAF; |
| 360 | if(value == 0x7F) |
| 361 | value = 0xBE; |
| 362 | |
| 363 | return ~((gpsp_gp2x_memregs[0x1184 >> 1] & 0xFF00) | value | |
| 364 | (gpsp_gp2x_memregs[0x1186 >> 1] << 16)); |
| 365 | #endif |
| 366 | } |
| 367 | |
| 368 | u32 gpsp_plat_buttons_to_cursor(u32 buttons) |
| 369 | { |
| 370 | gui_action_type new_button = CURSOR_NONE; |
| 371 | |
| 372 | if(buttons & GP2X_A) |
| 373 | new_button = CURSOR_BACK; |
| 374 | |
| 375 | if(buttons & GP2X_X) |
| 376 | new_button = CURSOR_EXIT; |
| 377 | |
| 378 | if(buttons & GP2X_B) |
| 379 | new_button = CURSOR_SELECT; |
| 380 | |
| 381 | if(buttons & GP2X_UP) |
| 382 | new_button = CURSOR_UP; |
| 383 | |
| 384 | if(buttons & GP2X_DOWN) |
| 385 | new_button = CURSOR_DOWN; |
| 386 | |
| 387 | if(buttons & GP2X_LEFT) |
| 388 | new_button = CURSOR_LEFT; |
| 389 | |
| 390 | if(buttons & GP2X_RIGHT) |
| 391 | new_button = CURSOR_RIGHT; |
| 392 | |
| 393 | if(buttons & GP2X_L) |
| 394 | new_button = CURSOR_L; |
| 395 | |
| 396 | if(buttons & GP2X_R) |
| 397 | new_button = CURSOR_R; |
| 398 | |
| 399 | return new_button; |
| 400 | } |
| 401 | |
| 402 | // Fout = (m * Fin) / (p * 2^s) |
| 403 | void set_FCLK(u32 MHZ) |
| 404 | { |
| 405 | u32 v; |
| 406 | u32 mdiv, pdiv, sdiv = 0; |
| 407 | #ifdef WIZ_BUILD |
| 408 | #define SYS_CLK_FREQ 27 |
| 409 | // m = MDIV, p = PDIV, s = SDIV |
| 410 | pdiv = 9; |
| 411 | mdiv = (MHZ * pdiv) / SYS_CLK_FREQ; |
| 412 | mdiv &= 0x3ff; |
| 413 | v = (pdiv<<18) | (mdiv<<8) | sdiv; |
| 414 | |
| 415 | gpsp_gp2x_memregl[0xf004>>2] = v; |
| 416 | gpsp_gp2x_memregl[0xf07c>>2] |= 0x8000; |
| 417 | while (gpsp_gp2x_memregl[0xf07c>>2] & 0x8000) |
| 418 | ; |
| 419 | #else |
| 420 | #define SYS_CLK_FREQ 7372800 |
| 421 | // m = MDIV + 8, p = PDIV + 2, s = SDIV |
| 422 | pdiv = 3; |
| 423 | mdiv = (MHZ * pdiv * 1000000) / SYS_CLK_FREQ; |
| 424 | mdiv &= 0xff; |
| 425 | v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv; |
| 426 | gpsp_gp2x_memregs[0x910>>1] = v; |
| 427 | #endif |
| 428 | } |
| 429 | |