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