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