| 1 | /* |
| 2 | * (C) GraÅžvydas "notaz" Ignotas, 2009-2011 |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU GPLv2 or later. |
| 5 | * See the COPYING file in the top-level directory. |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <stdlib.h> |
| 10 | #include <string.h> |
| 11 | #include <sys/types.h> |
| 12 | #include <sys/stat.h> |
| 13 | #include <fcntl.h> |
| 14 | #include <sys/ioctl.h> |
| 15 | #include <unistd.h> |
| 16 | #include <linux/fb.h> |
| 17 | #include <sys/mman.h> |
| 18 | #include <linux/soundcard.h> |
| 19 | #include <linux/input.h> |
| 20 | |
| 21 | #include "common/input.h" |
| 22 | #include "gp2x/in_gp2x.h" |
| 23 | #include "linux/in_evdev.h" |
| 24 | #include "common/menu.h" |
| 25 | #include "warm/warm.h" |
| 26 | #include "plugin_lib.h" |
| 27 | #include "pl_gun_ts.h" |
| 28 | #include "blit320.h" |
| 29 | #include "in_tsbutton.h" |
| 30 | #include "main.h" |
| 31 | #include "menu.h" |
| 32 | #include "plat.h" |
| 33 | #include "pcnt.h" |
| 34 | #include "../plugins/gpulib/cspace.h" |
| 35 | |
| 36 | int gp2x_dev_id; |
| 37 | |
| 38 | static int fbdev = -1, memdev = -1, battdev = -1, mixerdev = -1; |
| 39 | static volatile unsigned short *memregs; |
| 40 | static volatile unsigned int *memregl; |
| 41 | static void *fb_vaddrs[2]; |
| 42 | static unsigned int fb_paddrs[2]; |
| 43 | static int fb_work_buf; |
| 44 | static int cpu_clock_allowed, have_warm; |
| 45 | static unsigned int saved_video_regs[2][6]; |
| 46 | #define FB_VRAM_SIZE (320*240*2*2*2) // 2 buffers with space for 24bpp mode |
| 47 | |
| 48 | static unsigned short *psx_vram; |
| 49 | static unsigned int psx_vram_padds[512]; |
| 50 | static int psx_step, psx_width, psx_height, psx_bpp; |
| 51 | static int psx_offset_x, psx_offset_y, psx_src_width, psx_src_height; |
| 52 | static int fb_offset_x, fb_offset_y; |
| 53 | |
| 54 | static void caanoo_init(void); |
| 55 | static void wiz_init(void); |
| 56 | |
| 57 | |
| 58 | static const struct in_default_bind in_evdev_defbinds[] = { |
| 59 | { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP }, |
| 60 | { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN }, |
| 61 | { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT }, |
| 62 | { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT }, |
| 63 | { BTN_TOP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE }, |
| 64 | { BTN_THUMB, IN_BINDTYPE_PLAYER12, DKEY_CROSS }, |
| 65 | { BTN_THUMB2, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE }, |
| 66 | { BTN_TRIGGER, IN_BINDTYPE_PLAYER12, DKEY_SQUARE }, |
| 67 | { BTN_BASE3, IN_BINDTYPE_PLAYER12, DKEY_START }, |
| 68 | { BTN_BASE4, IN_BINDTYPE_PLAYER12, DKEY_SELECT }, |
| 69 | { BTN_TOP2, IN_BINDTYPE_PLAYER12, DKEY_L1 }, |
| 70 | { BTN_PINKIE, IN_BINDTYPE_PLAYER12, DKEY_R1 }, |
| 71 | { BTN_BASE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU }, |
| 72 | { 0, 0, 0 }, |
| 73 | }; |
| 74 | |
| 75 | static void *fb_flip(void) |
| 76 | { |
| 77 | memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf]; |
| 78 | memregl[0x4058>>2] |= 0x10; |
| 79 | memregl[0x4458>>2] |= 0x10; |
| 80 | fb_work_buf ^= 1; |
| 81 | return fb_vaddrs[fb_work_buf]; |
| 82 | } |
| 83 | |
| 84 | static void pollux_changemode(int bpp, int is_bgr) |
| 85 | { |
| 86 | int code = 0, bytes = 2; |
| 87 | unsigned int r; |
| 88 | |
| 89 | printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb"); |
| 90 | |
| 91 | memregl[0x4004>>2] = 0x00ef013f; |
| 92 | memregl[0x4000>>2] |= 1 << 3; |
| 93 | |
| 94 | switch (bpp) |
| 95 | { |
| 96 | case 8: |
| 97 | code = 0x443a; |
| 98 | bytes = 1; |
| 99 | break; |
| 100 | case 16: |
| 101 | code = is_bgr ? 0xc342 : 0x4432; |
| 102 | bytes = 2; |
| 103 | break; |
| 104 | case 24: |
| 105 | code = is_bgr ? 0xc653 : 0x4653; |
| 106 | bytes = 3; |
| 107 | break; |
| 108 | default: |
| 109 | printf("unhandled bpp request: %d\n", bpp); |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | // program both MLCs so that TV-out works |
| 114 | memregl[0x405c>>2] = memregl[0x445c>>2] = bytes; |
| 115 | memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes; |
| 116 | |
| 117 | r = memregl[0x4058>>2]; |
| 118 | r = (r & 0xffff) | (code << 16) | 0x10; |
| 119 | memregl[0x4058>>2] = r; |
| 120 | |
| 121 | r = memregl[0x4458>>2]; |
| 122 | r = (r & 0xffff) | (code << 16) | 0x10; |
| 123 | memregl[0x4458>>2] = r; |
| 124 | } |
| 125 | |
| 126 | /* note: both PLLs are programmed the same way, |
| 127 | * the databook incorrectly states that PLL1 differs */ |
| 128 | static int decode_pll(unsigned int reg) |
| 129 | { |
| 130 | long long v; |
| 131 | int p, m, s; |
| 132 | |
| 133 | p = (reg >> 18) & 0x3f; |
| 134 | m = (reg >> 8) & 0x3ff; |
| 135 | s = reg & 0xff; |
| 136 | |
| 137 | if (p == 0) |
| 138 | p = 1; |
| 139 | |
| 140 | v = 27000000; // master clock |
| 141 | v = v * m / (p << s); |
| 142 | return v; |
| 143 | } |
| 144 | |
| 145 | int plat_cpu_clock_get(void) |
| 146 | { |
| 147 | return decode_pll(memregl[0xf004>>2]) / 1000000; |
| 148 | } |
| 149 | |
| 150 | int plat_cpu_clock_apply(int mhz) |
| 151 | { |
| 152 | int adiv, mdiv, pdiv, sdiv = 0; |
| 153 | int i, vf000, vf004; |
| 154 | |
| 155 | if (!cpu_clock_allowed) |
| 156 | return -1; |
| 157 | if (mhz == plat_cpu_clock_get()) |
| 158 | return 0; |
| 159 | |
| 160 | // m = MDIV, p = PDIV, s = SDIV |
| 161 | #define SYS_CLK_FREQ 27 |
| 162 | pdiv = 9; |
| 163 | mdiv = (mhz * pdiv) / SYS_CLK_FREQ; |
| 164 | if (mdiv & ~0x3ff) |
| 165 | return -1; |
| 166 | vf004 = (pdiv<<18) | (mdiv<<8) | sdiv; |
| 167 | |
| 168 | // attempt to keep the AHB divider close to 250, but not higher |
| 169 | for (adiv = 1; mhz / adiv > 250; adiv++) |
| 170 | ; |
| 171 | |
| 172 | vf000 = memregl[0xf000>>2]; |
| 173 | vf000 = (vf000 & ~0x3c0) | ((adiv - 1) << 6); |
| 174 | memregl[0xf000>>2] = vf000; |
| 175 | memregl[0xf004>>2] = vf004; |
| 176 | memregl[0xf07c>>2] |= 0x8000; |
| 177 | for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++) |
| 178 | ; |
| 179 | |
| 180 | printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv); |
| 181 | |
| 182 | // stupid pll share hack - must restart audio |
| 183 | extern long SPUopen(void); |
| 184 | extern long SPUclose(void); |
| 185 | SPUclose(); |
| 186 | SPUopen(); |
| 187 | |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | int plat_get_bat_capacity(void) |
| 192 | { |
| 193 | unsigned short magic_val = 0; |
| 194 | |
| 195 | if (battdev < 0) |
| 196 | return -1; |
| 197 | if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val)) |
| 198 | return -1; |
| 199 | switch (magic_val) { |
| 200 | default: |
| 201 | case 1: return 100; |
| 202 | case 2: return 66; |
| 203 | case 3: return 40; |
| 204 | case 4: return 0; |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | #define TIMER_BASE3 0x1980 |
| 209 | #define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2] |
| 210 | |
| 211 | static __attribute__((unused)) unsigned int timer_get(void) |
| 212 | { |
| 213 | TIMER_REG(0x08) |= 0x48; /* run timer, latch value */ |
| 214 | return TIMER_REG(0); |
| 215 | } |
| 216 | |
| 217 | static void timer_cleanup(void) |
| 218 | { |
| 219 | TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */ |
| 220 | TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */ |
| 221 | TIMER_REG(0x00) = 0; /* clear counter */ |
| 222 | TIMER_REG(0x40) = 0; /* clocks off */ |
| 223 | TIMER_REG(0x44) = 0; /* dividers back to default */ |
| 224 | } |
| 225 | |
| 226 | void plat_video_menu_enter(int is_rom_loaded) |
| 227 | { |
| 228 | if (pl_vout_buf != NULL) { |
| 229 | if (psx_bpp == 16) |
| 230 | // have to do rgb conversion for menu bg |
| 231 | bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2); |
| 232 | else |
| 233 | memset(pl_vout_buf, 0, 320*240*2); |
| 234 | } |
| 235 | |
| 236 | pollux_changemode(16, 0); |
| 237 | } |
| 238 | |
| 239 | void plat_video_menu_begin(void) |
| 240 | { |
| 241 | } |
| 242 | |
| 243 | void plat_video_menu_end(void) |
| 244 | { |
| 245 | g_menuscreen_ptr = fb_flip(); |
| 246 | } |
| 247 | |
| 248 | void plat_video_menu_leave(void) |
| 249 | { |
| 250 | if (psx_vram == NULL) { |
| 251 | fprintf(stderr, "GPU plugin did not provide vram\n"); |
| 252 | exit(1); |
| 253 | } |
| 254 | |
| 255 | if (gp2x_dev_id == GP2X_DEV_CAANOO) |
| 256 | in_set_config_int(in_name_to_id("evdev:pollux-analog"), |
| 257 | IN_CFG_ABS_DEAD_ZONE, analog_deadzone); |
| 258 | |
| 259 | memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); |
| 260 | g_menuscreen_ptr = fb_flip(); |
| 261 | memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); |
| 262 | } |
| 263 | |
| 264 | void *plat_prepare_screenshot(int *w, int *h, int *bpp) |
| 265 | { |
| 266 | bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2); |
| 267 | *w = 320; |
| 268 | *h = 240; |
| 269 | *bpp = psx_bpp; |
| 270 | return pl_vout_buf; |
| 271 | } |
| 272 | |
| 273 | void plat_minimize(void) |
| 274 | { |
| 275 | } |
| 276 | |
| 277 | static void pl_vout_set_raw_vram(void *vram) |
| 278 | { |
| 279 | int i; |
| 280 | |
| 281 | psx_vram = vram; |
| 282 | |
| 283 | if (vram == NULL) |
| 284 | return; |
| 285 | |
| 286 | if ((long)psx_vram & 0x7ff) |
| 287 | fprintf(stderr, "GPU plugin did not align vram\n"); |
| 288 | |
| 289 | for (i = 0; i < 512; i++) { |
| 290 | psx_vram[i * 1024] = 0; // touch |
| 291 | psx_vram_padds[i] = warm_virt2phys(&psx_vram[i * 1024]); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | static void spend_cycles(int loops) |
| 296 | { |
| 297 | asm volatile ( |
| 298 | " mov r0,%0 ;\n" |
| 299 | "0: subs r0,r0,#1 ;\n" |
| 300 | " bgt 0b" |
| 301 | :: "r" (loops) : "cc", "r0"); |
| 302 | } |
| 303 | |
| 304 | #define DMA_BASE6 0x0300 |
| 305 | #define DMA_REG(x) memregl[(DMA_BASE6 + x) >> 2] |
| 306 | |
| 307 | /* this takes ~1.5ms, while ldm/stm ~1.95ms */ |
| 308 | static void raw_flip_dma(int x, int y) |
| 309 | { |
| 310 | unsigned int dst = fb_paddrs[fb_work_buf] + |
| 311 | (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; |
| 312 | int spsx_line = y + psx_offset_y; |
| 313 | int spsx_offset = (x + psx_offset_x) & 0x3f8; |
| 314 | int dst_stride = 320 * psx_bpp / 8; |
| 315 | int len = psx_src_width * psx_bpp / 8; |
| 316 | int i; |
| 317 | |
| 318 | warm_cache_op_all(WOP_D_CLEAN); |
| 319 | pcnt_start(PCNT_BLIT); |
| 320 | |
| 321 | dst &= ~7; |
| 322 | len &= ~7; |
| 323 | |
| 324 | if (DMA_REG(0x0c) & 0x90000) { |
| 325 | printf("already runnig DMA?\n"); |
| 326 | DMA_REG(0x0c) = 0x100000; |
| 327 | } |
| 328 | if ((DMA_REG(0x2c) & 0x0f) < 5) { |
| 329 | printf("DMA queue busy?\n"); |
| 330 | DMA_REG(0x24) = 1; |
| 331 | } |
| 332 | |
| 333 | for (i = psx_src_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) { |
| 334 | while ((DMA_REG(0x2c) & 0x0f) < 4) |
| 335 | spend_cycles(10); |
| 336 | |
| 337 | // XXX: it seems we must always set all regs, what is autoincrement there for? |
| 338 | DMA_REG(0x20) = 1; // queue wait cmd |
| 339 | DMA_REG(0x10) = psx_vram_padds[spsx_line & 511] + spsx_offset * 2; // DMA src |
| 340 | DMA_REG(0x14) = dst; // DMA dst |
| 341 | DMA_REG(0x18) = len - 1; // len |
| 342 | DMA_REG(0x1c) = 0x80000; // go |
| 343 | } |
| 344 | |
| 345 | if (psx_bpp == 16) { |
| 346 | pl_vout_buf = g_menuscreen_ptr; |
| 347 | pl_print_hud(fb_offset_x); |
| 348 | } |
| 349 | |
| 350 | g_menuscreen_ptr = fb_flip(); |
| 351 | pl_rearmed_cbs.flip_cnt++; |
| 352 | |
| 353 | pcnt_end(PCNT_BLIT); |
| 354 | } |
| 355 | |
| 356 | #define make_flip_func(name, blitfunc) \ |
| 357 | static void name(int x, int y) \ |
| 358 | { \ |
| 359 | unsigned short *vram = psx_vram; \ |
| 360 | unsigned char *dst = (unsigned char *)g_menuscreen_ptr + \ |
| 361 | (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8; \ |
| 362 | unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x; \ |
| 363 | int dst_stride = 320 * psx_bpp / 8; \ |
| 364 | int len = psx_src_width * psx_bpp / 8; \ |
| 365 | int i; \ |
| 366 | \ |
| 367 | pcnt_start(PCNT_BLIT); \ |
| 368 | \ |
| 369 | for (i = psx_src_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \ |
| 370 | src &= 1024*512-1; \ |
| 371 | blitfunc(dst, vram + src, len); \ |
| 372 | } \ |
| 373 | \ |
| 374 | if (psx_bpp == 16) { \ |
| 375 | pl_vout_buf = g_menuscreen_ptr; \ |
| 376 | pl_print_hud(fb_offset_x); \ |
| 377 | } \ |
| 378 | \ |
| 379 | g_menuscreen_ptr = fb_flip(); \ |
| 380 | pl_rearmed_cbs.flip_cnt++; \ |
| 381 | \ |
| 382 | pcnt_end(PCNT_BLIT); \ |
| 383 | } |
| 384 | |
| 385 | make_flip_func(raw_flip_soft, memcpy) |
| 386 | make_flip_func(raw_flip_soft_368, blit320_368) |
| 387 | make_flip_func(raw_flip_soft_512, blit320_512) |
| 388 | make_flip_func(raw_flip_soft_640, blit320_640) |
| 389 | |
| 390 | void *plat_gvideo_set_mode(int *w_, int *h_, int *bpp_) |
| 391 | { |
| 392 | int poff_w, poff_h, w_max; |
| 393 | int w = *w_, h = *h_, bpp = *bpp_; |
| 394 | |
| 395 | if (!w || !h || !bpp) |
| 396 | return NULL; |
| 397 | |
| 398 | printf("psx mode: %dx%d@%d\n", w, h, bpp); |
| 399 | psx_width = w; |
| 400 | psx_height = h; |
| 401 | psx_bpp = bpp; |
| 402 | |
| 403 | switch (w + (bpp != 16) + !soft_scaling) { |
| 404 | case 640: |
| 405 | pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640; |
| 406 | w_max = 640; |
| 407 | break; |
| 408 | case 512: |
| 409 | pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512; |
| 410 | w_max = 512; |
| 411 | break; |
| 412 | case 384: |
| 413 | case 368: |
| 414 | pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368; |
| 415 | w_max = 368; |
| 416 | break; |
| 417 | default: |
| 418 | pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft; |
| 419 | w_max = 320; |
| 420 | break; |
| 421 | } |
| 422 | |
| 423 | psx_step = 1; |
| 424 | if (h > 256) { |
| 425 | psx_step = 2; |
| 426 | h /= 2; |
| 427 | } |
| 428 | |
| 429 | poff_w = poff_h = 0; |
| 430 | if (w > w_max) { |
| 431 | poff_w = w / 2 - w_max / 2; |
| 432 | w = w_max; |
| 433 | } |
| 434 | fb_offset_x = 0; |
| 435 | if (w < 320) |
| 436 | fb_offset_x = 320/2 - w / 2; |
| 437 | if (h > 240) { |
| 438 | poff_h = h / 2 - 240/2; |
| 439 | h = 240; |
| 440 | } |
| 441 | fb_offset_y = 240/2 - h / 2; |
| 442 | |
| 443 | psx_offset_x = poff_w * psx_bpp/8 / 2; |
| 444 | psx_offset_y = poff_h; |
| 445 | psx_src_width = w; |
| 446 | psx_src_height = h; |
| 447 | |
| 448 | if (fb_offset_x || fb_offset_y) { |
| 449 | // not fullscreen, must clear borders |
| 450 | memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); |
| 451 | g_menuscreen_ptr = fb_flip(); |
| 452 | memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8); |
| 453 | } |
| 454 | |
| 455 | pollux_changemode(bpp, 1); |
| 456 | |
| 457 | pl_set_gun_rect(fb_offset_x, fb_offset_y, w > 320 ? 320 : w, h); |
| 458 | |
| 459 | // adjust for hud |
| 460 | *w_ = 320; |
| 461 | *h_ = fb_offset_y + psx_src_height; |
| 462 | |
| 463 | return NULL; |
| 464 | } |
| 465 | |
| 466 | /* not really used, we do raw_flip */ |
| 467 | void plat_gvideo_open(int is_pal) |
| 468 | { |
| 469 | } |
| 470 | |
| 471 | void *plat_gvideo_flip(void) |
| 472 | { |
| 473 | return NULL; |
| 474 | } |
| 475 | |
| 476 | void plat_gvideo_close(void) |
| 477 | { |
| 478 | } |
| 479 | |
| 480 | static void save_multiple_regs(unsigned int *dest, int base, int count) |
| 481 | { |
| 482 | const volatile unsigned int *regs = memregl + base / 4; |
| 483 | int i; |
| 484 | |
| 485 | for (i = 0; i < count; i++) |
| 486 | dest[i] = regs[i]; |
| 487 | } |
| 488 | |
| 489 | static void restore_multiple_regs(int base, const unsigned int *src, int count) |
| 490 | { |
| 491 | volatile unsigned int *regs = memregl + base / 4; |
| 492 | int i; |
| 493 | |
| 494 | for (i = 0; i < count; i++) |
| 495 | regs[i] = src[i]; |
| 496 | } |
| 497 | |
| 498 | void plat_init(void) |
| 499 | { |
| 500 | const char *main_fb_name = "/dev/fb0"; |
| 501 | struct fb_fix_screeninfo fbfix; |
| 502 | int rate, timer_div, timer_div2; |
| 503 | int fbdev, ret, warm_ret; |
| 504 | FILE *f; |
| 505 | |
| 506 | memdev = open("/dev/mem", O_RDWR); |
| 507 | if (memdev == -1) { |
| 508 | perror("open(/dev/mem) failed"); |
| 509 | exit(1); |
| 510 | } |
| 511 | |
| 512 | memregs = mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); |
| 513 | if (memregs == MAP_FAILED) { |
| 514 | perror("mmap(memregs) failed"); |
| 515 | exit(1); |
| 516 | } |
| 517 | memregl = (volatile void *)memregs; |
| 518 | |
| 519 | // save video regs of both MLCs |
| 520 | save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0])); |
| 521 | save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1])); |
| 522 | |
| 523 | fbdev = open(main_fb_name, O_RDWR); |
| 524 | if (fbdev == -1) { |
| 525 | fprintf(stderr, "%s: ", main_fb_name); |
| 526 | perror("open"); |
| 527 | exit(1); |
| 528 | } |
| 529 | |
| 530 | ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix); |
| 531 | if (ret == -1) { |
| 532 | perror("ioctl(fbdev) failed"); |
| 533 | exit(1); |
| 534 | } |
| 535 | printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start); |
| 536 | fb_paddrs[0] = fbfix.smem_start; |
| 537 | fb_paddrs[1] = fb_paddrs[0] + 320*240*4; // leave space for 24bpp |
| 538 | |
| 539 | fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ|PROT_WRITE, |
| 540 | MAP_SHARED, memdev, fb_paddrs[0]); |
| 541 | if (fb_vaddrs[0] == MAP_FAILED) { |
| 542 | perror("mmap(fb_vaddrs) failed"); |
| 543 | exit(1); |
| 544 | } |
| 545 | fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4; |
| 546 | |
| 547 | memset(fb_vaddrs[0], 0, FB_VRAM_SIZE); |
| 548 | pollux_changemode(16, 0); |
| 549 | g_menuscreen_w = 320; |
| 550 | g_menuscreen_h = 240; |
| 551 | g_menuscreen_ptr = fb_flip(); |
| 552 | |
| 553 | warm_ret = warm_init(); |
| 554 | have_warm = warm_ret == 0; |
| 555 | warm_change_cb_upper(WCB_B_BIT, 1); |
| 556 | |
| 557 | /* some firmwares have sys clk on PLL0, we can't adjust CPU clock |
| 558 | * by reprogramming the PLL0 then, as it overclocks system bus */ |
| 559 | if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000) |
| 560 | cpu_clock_allowed = 1; |
| 561 | else { |
| 562 | cpu_clock_allowed = 0; |
| 563 | fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n", |
| 564 | memregl[0xf000>>2]); |
| 565 | } |
| 566 | |
| 567 | /* find what PLL1 runs at, for the timer */ |
| 568 | rate = decode_pll(memregl[0xf008>>2]); |
| 569 | printf("PLL1 @ %dHz\n", rate); |
| 570 | |
| 571 | /* setup timer */ |
| 572 | timer_div = (rate + 500000) / 1000000; |
| 573 | timer_div2 = 0; |
| 574 | while (timer_div > 256) { |
| 575 | timer_div /= 2; |
| 576 | timer_div2++; |
| 577 | } |
| 578 | if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) { |
| 579 | int timer_rate = (rate >> timer_div2) / timer_div; |
| 580 | if (TIMER_REG(0x08) & 8) { |
| 581 | fprintf(stderr, "warning: timer in use, overriding!\n"); |
| 582 | timer_cleanup(); |
| 583 | } |
| 584 | if (timer_rate != 1000000) |
| 585 | fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000); |
| 586 | |
| 587 | timer_div2 = (timer_div2 + 3) & 3; |
| 588 | TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2; /* using PLL1 */ |
| 589 | TIMER_REG(0x40) = 0x0c; /* clocks on */ |
| 590 | TIMER_REG(0x08) = 0x68 | timer_div2; /* run timer, clear irq, latch value */ |
| 591 | } |
| 592 | else |
| 593 | fprintf(stderr, "warning: could not make use of timer\n"); |
| 594 | |
| 595 | /* setup DMA */ |
| 596 | DMA_REG(0x0c) = 0x20000; // pending IRQ clear |
| 597 | |
| 598 | battdev = open("/dev/pollux_batt", O_RDONLY); |
| 599 | if (battdev < 0) |
| 600 | perror("Warning: could't open pollux_batt"); |
| 601 | |
| 602 | f = fopen("/dev/accel", "rb"); |
| 603 | if (f) { |
| 604 | printf("detected Caanoo\n"); |
| 605 | gp2x_dev_id = GP2X_DEV_CAANOO; |
| 606 | fclose(f); |
| 607 | } |
| 608 | else { |
| 609 | printf("detected Wiz\n"); |
| 610 | gp2x_dev_id = GP2X_DEV_WIZ; |
| 611 | } |
| 612 | |
| 613 | in_tsbutton_init(); |
| 614 | in_evdev_init(in_evdev_defbinds); |
| 615 | if (gp2x_dev_id == GP2X_DEV_CAANOO) |
| 616 | caanoo_init(); |
| 617 | else |
| 618 | wiz_init(); |
| 619 | |
| 620 | mixerdev = open("/dev/mixer", O_RDWR); |
| 621 | if (mixerdev == -1) |
| 622 | perror("open(/dev/mixer)"); |
| 623 | |
| 624 | pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft; |
| 625 | pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram; |
| 626 | |
| 627 | psx_src_width = 320; |
| 628 | psx_src_height = 240; |
| 629 | psx_bpp = 16; |
| 630 | |
| 631 | pl_rearmed_cbs.screen_w = 320; |
| 632 | pl_rearmed_cbs.screen_h = 240; |
| 633 | } |
| 634 | |
| 635 | void plat_finish(void) |
| 636 | { |
| 637 | warm_finish(); |
| 638 | timer_cleanup(); |
| 639 | |
| 640 | memset(fb_vaddrs[0], 0, FB_VRAM_SIZE); |
| 641 | restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0])); |
| 642 | restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1])); |
| 643 | memregl[0x4058>>2] |= 0x10; |
| 644 | memregl[0x4458>>2] |= 0x10; |
| 645 | munmap(fb_vaddrs[0], FB_VRAM_SIZE); |
| 646 | close(fbdev); |
| 647 | |
| 648 | if (battdev >= 0) |
| 649 | close(battdev); |
| 650 | if (mixerdev >= 0) |
| 651 | close(mixerdev); |
| 652 | munmap((void *)memregs, 0x20000); |
| 653 | close(memdev); |
| 654 | } |
| 655 | |
| 656 | /* WIZ RAM lack workaround */ |
| 657 | void *memtab_mmap(void *addr, size_t size) |
| 658 | { |
| 659 | void *ret; |
| 660 | |
| 661 | if (gp2x_dev_id != GP2X_DEV_WIZ) |
| 662 | return mmap(addr, size, PROT_READ | PROT_WRITE, |
| 663 | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0); |
| 664 | |
| 665 | ret = mmap(addr, size, PROT_READ | PROT_WRITE, |
| 666 | MAP_SHARED | MAP_FIXED, memdev, 0x03000000); |
| 667 | if (ret != MAP_FAILED) |
| 668 | warm_change_cb_range(WCB_C_BIT | WCB_B_BIT, 1, ret, size); |
| 669 | return ret; |
| 670 | } |
| 671 | |
| 672 | /* Caanoo stuff, perhaps move later */ |
| 673 | static const char * const caanoo_keys[KEY_MAX + 1] = { |
| 674 | [0 ... KEY_MAX] = NULL, |
| 675 | [KEY_UP] = "Up", |
| 676 | [KEY_LEFT] = "Left", |
| 677 | [KEY_RIGHT] = "Right", |
| 678 | [KEY_DOWN] = "Down", |
| 679 | [BTN_TRIGGER] = "A", |
| 680 | [BTN_THUMB] = "X", |
| 681 | [BTN_THUMB2] = "B", |
| 682 | [BTN_TOP] = "Y", |
| 683 | [BTN_TOP2] = "L", |
| 684 | [BTN_PINKIE] = "R", |
| 685 | [BTN_BASE] = "Home", |
| 686 | [BTN_BASE2] = "Lock", |
| 687 | [BTN_BASE3] = "I", |
| 688 | [BTN_BASE4] = "II", |
| 689 | [BTN_BASE5] = "Push", |
| 690 | }; |
| 691 | |
| 692 | struct haptic_data { |
| 693 | int count; |
| 694 | struct { |
| 695 | short time, strength; |
| 696 | } actions[120]; |
| 697 | }; |
| 698 | |
| 699 | #define HAPTIC_IOCTL_MAGIC 'I' |
| 700 | #define HAPTIC_PLAY_PATTERN _IOW(HAPTIC_IOCTL_MAGIC, 4, struct haptic_data) |
| 701 | #define HAPTIC_INDIVIDUAL_MODE _IOW(HAPTIC_IOCTL_MAGIC, 5, unsigned int) |
| 702 | #define HAPTIC_SET_VIB_LEVEL _IOW(HAPTIC_IOCTL_MAGIC, 9, unsigned int) |
| 703 | |
| 704 | static int hapticdev = -1; |
| 705 | static struct haptic_data haptic_seq[2]; |
| 706 | |
| 707 | static int haptic_read(const char *fname, struct haptic_data *data) |
| 708 | { |
| 709 | int i, ret, v1, v2; |
| 710 | char buf[128], *p; |
| 711 | FILE *f; |
| 712 | |
| 713 | f = fopen(fname, "r"); |
| 714 | if (f == NULL) { |
| 715 | fprintf(stderr, "fopen(%s)", fname); |
| 716 | perror(""); |
| 717 | return -1; |
| 718 | } |
| 719 | |
| 720 | for (i = 0; i < sizeof(data->actions) / sizeof(data->actions[0]); ) { |
| 721 | p = fgets(buf, sizeof(buf), f); |
| 722 | if (p == NULL) |
| 723 | break; |
| 724 | while (*p != 0 && *p == ' ') |
| 725 | p++; |
| 726 | if (*p == 0 || *p == ';' || *p == '#') |
| 727 | continue; |
| 728 | |
| 729 | ret = sscanf(buf, "%d %d", &v1, &v2); |
| 730 | if (ret != 2) { |
| 731 | fprintf(stderr, "can't parse: %s", buf); |
| 732 | continue; |
| 733 | } |
| 734 | |
| 735 | data->actions[i].time = v1; |
| 736 | data->actions[i].strength = v2; |
| 737 | i++; |
| 738 | } |
| 739 | fclose(f); |
| 740 | |
| 741 | if (i == 0) { |
| 742 | fprintf(stderr, "bad haptic file: %s\n", fname); |
| 743 | return -1; |
| 744 | } |
| 745 | data->count = i; |
| 746 | |
| 747 | return 0; |
| 748 | } |
| 749 | |
| 750 | static int haptic_init(void) |
| 751 | { |
| 752 | int ret, i; |
| 753 | |
| 754 | ret = haptic_read("haptic_w.cfg", &haptic_seq[0]); |
| 755 | if (ret != 0) |
| 756 | return -1; |
| 757 | ret = haptic_read("haptic_s.cfg", &haptic_seq[1]); |
| 758 | if (ret != 0) |
| 759 | return -1; |
| 760 | |
| 761 | hapticdev = open("/dev/isa1200", O_RDWR | O_NONBLOCK); |
| 762 | if (hapticdev == -1) { |
| 763 | perror("open(/dev/isa1200)"); |
| 764 | return -1; |
| 765 | } |
| 766 | |
| 767 | i = 0; |
| 768 | ret = ioctl(hapticdev, HAPTIC_INDIVIDUAL_MODE, &i); /* use 2 of them */ |
| 769 | i = 3; |
| 770 | ret |= ioctl(hapticdev, HAPTIC_SET_VIB_LEVEL, &i); /* max */ |
| 771 | if (ret != 0) { |
| 772 | fprintf(stderr, "haptic ioctls failed\n"); |
| 773 | close(hapticdev); |
| 774 | hapticdev = -1; |
| 775 | return -1; |
| 776 | } |
| 777 | |
| 778 | return 0; |
| 779 | } |
| 780 | |
| 781 | void plat_trigger_vibrate(int is_strong) |
| 782 | { |
| 783 | int ret; |
| 784 | |
| 785 | if (hapticdev == -2) |
| 786 | return; // it's broken |
| 787 | if (hapticdev < 0) { |
| 788 | ret = haptic_init(); |
| 789 | if (ret < 0) { |
| 790 | hapticdev = -2; |
| 791 | return; |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | ioctl(hapticdev, HAPTIC_PLAY_PATTERN, &haptic_seq[!!is_strong]); |
| 796 | } |
| 797 | |
| 798 | static void caanoo_init(void) |
| 799 | { |
| 800 | in_probe(); |
| 801 | in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES, |
| 802 | caanoo_keys, sizeof(caanoo_keys)); |
| 803 | } |
| 804 | |
| 805 | /* Wiz stuff */ |
| 806 | static const struct in_default_bind in_gp2x_defbinds[] = |
| 807 | { |
| 808 | /* MXYZ SACB RLDU */ |
| 809 | { GP2X_BTN_UP, IN_BINDTYPE_PLAYER12, DKEY_UP }, |
| 810 | { GP2X_BTN_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN }, |
| 811 | { GP2X_BTN_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT }, |
| 812 | { GP2X_BTN_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT }, |
| 813 | { GP2X_BTN_X, IN_BINDTYPE_PLAYER12, DKEY_CROSS }, |
| 814 | { GP2X_BTN_B, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE }, |
| 815 | { GP2X_BTN_A, IN_BINDTYPE_PLAYER12, DKEY_SQUARE }, |
| 816 | { GP2X_BTN_Y, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE }, |
| 817 | { GP2X_BTN_L, IN_BINDTYPE_PLAYER12, DKEY_L1 }, |
| 818 | { GP2X_BTN_R, IN_BINDTYPE_PLAYER12, DKEY_R1 }, |
| 819 | { GP2X_BTN_START, IN_BINDTYPE_PLAYER12, DKEY_START }, |
| 820 | { GP2X_BTN_SELECT, IN_BINDTYPE_EMU, SACTION_ENTER_MENU }, |
| 821 | { GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU, SACTION_VOLUME_UP }, |
| 822 | { GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN }, |
| 823 | { 0, 0, 0 }, |
| 824 | }; |
| 825 | |
| 826 | void plat_step_volume(int is_up) |
| 827 | { |
| 828 | static int volume = 50; |
| 829 | int ret, val; |
| 830 | |
| 831 | if (mixerdev < 0) |
| 832 | return; |
| 833 | |
| 834 | if (is_up) { |
| 835 | volume += 5; |
| 836 | if (volume > 255) volume = 255; |
| 837 | } |
| 838 | else { |
| 839 | volume -= 5; |
| 840 | if (volume < 0) volume = 0; |
| 841 | } |
| 842 | val = volume; |
| 843 | val |= val << 8; |
| 844 | |
| 845 | ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val); |
| 846 | if (ret == -1) |
| 847 | perror("WRITE_PCM"); |
| 848 | } |
| 849 | |
| 850 | // unused dummy for in_gp2x |
| 851 | volatile unsigned short *gp2x_memregs; |
| 852 | |
| 853 | static void wiz_init(void) |
| 854 | { |
| 855 | in_gp2x_init(in_gp2x_defbinds); |
| 856 | in_probe(); |
| 857 | } |