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