frontend/plat_pollux.c

   1 /*
   2  * (C) Gražvydas "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;
 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 /* Caanoo stuff, perhaps move later */
 657 static const char * const caanoo_keys[KEY_MAX + 1] = {
 658         [0 ... KEY_MAX] = NULL,
 659         [KEY_UP]        = "Up",
 660         [KEY_LEFT]      = "Left",
 661         [KEY_RIGHT]     = "Right",
 662         [KEY_DOWN]      = "Down",
 663         [BTN_TRIGGER]   = "A",
 664         [BTN_THUMB]     = "X",
 665         [BTN_THUMB2]    = "B",
 666         [BTN_TOP]       = "Y",
 667         [BTN_TOP2]      = "L",
 668         [BTN_PINKIE]    = "R",
 669         [BTN_BASE]      = "Home",
 670         [BTN_BASE2]     = "Lock",
 671         [BTN_BASE3]     = "I",
 672         [BTN_BASE4]     = "II",
 673         [BTN_BASE5]     = "Push",
 674 };
 675
 676 struct haptic_data {
 677         int count;
 678         struct {
 679                 short time, strength;
 680         } actions[120];
 681 };
 682
 683 #define HAPTIC_IOCTL_MAGIC      'I'
 684 #define HAPTIC_PLAY_PATTERN     _IOW(HAPTIC_IOCTL_MAGIC, 4, struct haptic_data)
 685 #define HAPTIC_INDIVIDUAL_MODE  _IOW(HAPTIC_IOCTL_MAGIC, 5, unsigned int)
 686 #define HAPTIC_SET_VIB_LEVEL    _IOW(HAPTIC_IOCTL_MAGIC, 9, unsigned int)
 687
 688 static int hapticdev = -1;
 689 static struct haptic_data haptic_seq[2];
 690
 691 static int haptic_read(const char *fname, struct haptic_data *data)
 692 {
 693         int i, ret, v1, v2;
 694         char buf[128], *p;
 695         FILE *f;
 696
 697         f = fopen(fname, "r");
 698         if (f == NULL) {
 699                 fprintf(stderr, "fopen(%s)", fname);
 700                 perror("");
 701                 return -1;
 702         }
 703
 704         for (i = 0; i < sizeof(data->actions) / sizeof(data->actions[0]); ) {
 705                 p = fgets(buf, sizeof(buf), f);
 706                 if (p == NULL)
 707                         break;
 708                 while (*p != 0 && *p == ' ')
 709                         p++;
 710                 if (*p == 0 || *p == ';' || *p == '#')
 711                         continue;
 712
 713                 ret = sscanf(buf, "%d %d", &v1, &v2);
 714                 if (ret != 2) {
 715                         fprintf(stderr, "can't parse: %s", buf);
 716                         continue;
 717                 }
 718
 719                 data->actions[i].time = v1;
 720                 data->actions[i].strength = v2;
 721                 i++;
 722         }
 723         fclose(f);
 724
 725         if (i == 0) {
 726                 fprintf(stderr, "bad haptic file: %s\n", fname);
 727                 return -1;
 728         }
 729         data->count = i;
 730
 731         return 0;
 732 }
 733
 734 static int haptic_init(void)
 735 {
 736         int ret, i;
 737
 738         ret = haptic_read("haptic_w.cfg", &haptic_seq[0]);
 739         if (ret != 0)
 740                 return -1;
 741         ret = haptic_read("haptic_s.cfg", &haptic_seq[1]);
 742         if (ret != 0)
 743                 return -1;
 744
 745         hapticdev = open("/dev/isa1200", O_RDWR | O_NONBLOCK);
 746         if (hapticdev == -1) {
 747                 perror("open(/dev/isa1200)");
 748                 return -1;
 749         }
 750
 751         i = 0;
 752         ret  = ioctl(hapticdev, HAPTIC_INDIVIDUAL_MODE, &i);    /* use 2 of them */
 753         i = 3;
 754         ret |= ioctl(hapticdev, HAPTIC_SET_VIB_LEVEL, &i);      /* max */
 755         if (ret != 0) {
 756                 fprintf(stderr, "haptic ioctls failed\n");
 757                 close(hapticdev);
 758                 hapticdev = -1;
 759                 return -1;
 760         }
 761
 762         return 0;
 763 }
 764
 765 void plat_trigger_vibrate(int is_strong)
 766 {
 767         int ret;
 768
 769         if (hapticdev == -2)
 770                 return; // it's broken
 771         if (hapticdev < 0) {
 772                 ret = haptic_init();
 773                 if (ret < 0) {
 774                         hapticdev = -2;
 775                         return;
 776                 }
 777         }
 778
 779         ioctl(hapticdev, HAPTIC_PLAY_PATTERN, &haptic_seq[!!is_strong]);
 780 }
 781
 782 static void caanoo_init(void)
 783 {
 784         in_probe();
 785         in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
 786                       caanoo_keys, sizeof(caanoo_keys));
 787 }
 788
 789 /* Wiz stuff */
 790 static const struct in_default_bind in_gp2x_defbinds[] =
 791 {
 792         /* MXYZ SACB RLDU */
 793         { GP2X_BTN_UP,          IN_BINDTYPE_PLAYER12, DKEY_UP },
 794         { GP2X_BTN_DOWN,        IN_BINDTYPE_PLAYER12, DKEY_DOWN },
 795         { GP2X_BTN_LEFT,        IN_BINDTYPE_PLAYER12, DKEY_LEFT },
 796         { GP2X_BTN_RIGHT,       IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
 797         { GP2X_BTN_X,           IN_BINDTYPE_PLAYER12, DKEY_CROSS },
 798         { GP2X_BTN_B,           IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
 799         { GP2X_BTN_A,           IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
 800         { GP2X_BTN_Y,           IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
 801         { GP2X_BTN_L,           IN_BINDTYPE_PLAYER12, DKEY_L1 },
 802         { GP2X_BTN_R,           IN_BINDTYPE_PLAYER12, DKEY_R1 },
 803         { GP2X_BTN_START,       IN_BINDTYPE_PLAYER12, DKEY_START },
 804         { GP2X_BTN_SELECT,      IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
 805         { GP2X_BTN_VOL_UP,      IN_BINDTYPE_EMU, SACTION_VOLUME_UP },
 806         { GP2X_BTN_VOL_DOWN,    IN_BINDTYPE_EMU, SACTION_VOLUME_DOWN },
 807         { 0, 0, 0 },
 808 };
 809
 810 void plat_step_volume(int is_up)
 811 {
 812         static int volume = 50;
 813         int ret, val;
 814
 815         if (mixerdev < 0)
 816                 return;
 817
 818         if (is_up) {
 819                 volume += 5;
 820                 if (volume > 255) volume = 255;
 821         }
 822         else {
 823                 volume -= 5;
 824                 if (volume < 0) volume = 0;
 825         }
 826         val = volume;
 827         val |= val << 8;
 828
 829         ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
 830         if (ret == -1)
 831                 perror("WRITE_PCM");
 832 }
 833
 834 // unused dummy for in_gp2x
 835 volatile unsigned short *gp2x_memregs;
 836
 837 static void wiz_init(void)
 838 {
 839         in_gp2x_init(in_gp2x_defbinds);
 840         in_probe();
 841 }