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
  19 #include "common/input.h"
  20 #include "common/menu.h"
  21 #include "warm/warm.h"
  22 #include "plugin_lib.h"
  23 #include "cspace.h"
  24 #include "blit320.h"
  25 #include "in_tsbutton.h"
  26 #include "main.h"
  27 #include "menu.h"
  28 #include "plat.h"
  29 #include "pcnt.h"
  30
  31 static int fbdev = -1, memdev = -1, battdev = -1;
  32 static volatile unsigned short *memregs;
  33 static volatile unsigned int   *memregl;
  34 static void *fb_vaddrs[2];
  35 static unsigned int fb_paddrs[2];
  36 static int fb_work_buf;
  37 static int cpu_clock_allowed, have_warm;
  38 static unsigned int saved_video_regs[2][6];
  39 #define FB_VRAM_SIZE (320*240*2*2*2) // 2 buffers with space for 24bpp mode
  40
  41 static unsigned short *psx_vram;
  42 static unsigned int psx_vram_padds[512];
  43 static int psx_step, psx_width, psx_height, psx_bpp;
  44 static int psx_offset_x, psx_offset_y;
  45 static int fb_offset_x, fb_offset_y;
  46
  47 // TODO: get rid of this
  48 struct vout_fbdev;
  49 struct vout_fbdev *layer_fb;
  50 int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
  51
  52 int omap_enable_layer(int enabled)
  53 {
  54         return 0;
  55 }
  56
  57 static void *fb_flip(void)
  58 {
  59         memregl[0x406C>>2] = memregl[0x446C>>2] = fb_paddrs[fb_work_buf];
  60         memregl[0x4058>>2] |= 0x10;
  61         memregl[0x4458>>2] |= 0x10;
  62         fb_work_buf ^= 1;
  63         return fb_vaddrs[fb_work_buf];
  64 }
  65
  66 static void pollux_changemode(int bpp, int is_bgr)
  67 {
  68         int code = 0, bytes = 2;
  69         unsigned int r;
  70
  71         printf("changemode: %dbpp %s\n", bpp, is_bgr ? "bgr" : "rgb");
  72
  73         memregl[0x4004>>2] = 0x00ef013f;
  74         memregl[0x4000>>2] |= 1 << 3;
  75
  76         switch (bpp)
  77         {
  78                 case 8:
  79                         code = 0x443a;
  80                         bytes = 1;
  81                         break;
  82                 case 16:
  83                         code = is_bgr ? 0xc342 : 0x4432;
  84                         bytes = 2;
  85                         break;
  86                 case 24:
  87                         code = is_bgr ? 0xc653 : 0x4653;
  88                         bytes = 3;
  89                         break;
  90                 default:
  91                         printf("unhandled bpp request: %d\n", bpp);
  92                         return;
  93         }
  94
  95         // program both MLCs so that TV-out works
  96         memregl[0x405c>>2] = memregl[0x445c>>2] = bytes;
  97         memregl[0x4060>>2] = memregl[0x4460>>2] = 320 * bytes;
  98
  99         r = memregl[0x4058>>2];
 100         r = (r & 0xffff) | (code << 16) | 0x10;
 101         memregl[0x4058>>2] = r;
 102
 103         r = memregl[0x4458>>2];
 104         r = (r & 0xffff) | (code << 16) | 0x10;
 105         memregl[0x4458>>2] = r;
 106 }
 107
 108 /* note: both PLLs are programmed the same way,
 109  * the databook incorrectly states that PLL1 differs */
 110 static int decode_pll(unsigned int reg)
 111 {
 112         long long v;
 113         int p, m, s;
 114
 115         p = (reg >> 18) & 0x3f;
 116         m = (reg >> 8) & 0x3ff;
 117         s = reg & 0xff;
 118
 119         if (p == 0)
 120                 p = 1;
 121
 122         v = 27000000; // master clock
 123         v = v * m / (p << s);
 124         return v;
 125 }
 126
 127 int plat_cpu_clock_get(void)
 128 {
 129         return decode_pll(memregl[0xf004>>2]) / 1000000;
 130 }
 131
 132 int plat_cpu_clock_apply(int mhz)
 133 {
 134         int adiv, mdiv, pdiv, sdiv = 0;
 135         int i, vf000, vf004;
 136
 137         if (!cpu_clock_allowed)
 138                 return -1;
 139         if (mhz == plat_cpu_clock_get())
 140                 return 0;
 141
 142         // m = MDIV, p = PDIV, s = SDIV
 143         #define SYS_CLK_FREQ 27
 144         pdiv = 9;
 145         mdiv = (mhz * pdiv) / SYS_CLK_FREQ;
 146         if (mdiv & ~0x3ff)
 147                 return -1;
 148         vf004 = (pdiv<<18) | (mdiv<<8) | sdiv;
 149
 150         // attempt to keep the AHB divider close to 250, but not higher
 151         for (adiv = 1; mhz / adiv > 250; adiv++)
 152                 ;
 153
 154         vf000 = memregl[0xf000>>2];
 155         vf000 = (vf000 & ~0x3c0) | ((adiv - 1) << 6);
 156         memregl[0xf000>>2] = vf000;
 157         memregl[0xf004>>2] = vf004;
 158         memregl[0xf07c>>2] |= 0x8000;
 159         for (i = 0; (memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++)
 160                 ;
 161
 162         printf("clock set to %dMHz, AHB set to %dMHz\n", mhz, mhz / adiv);
 163
 164         // stupid pll share hack - must restart audio
 165         extern long SPUopen(void);
 166         extern long SPUclose(void);
 167         SPUclose();
 168         SPUopen();
 169
 170         return 0;
 171 }
 172
 173 int plat_get_bat_capacity(void)
 174 {
 175         unsigned short magic_val = 0;
 176
 177         if (battdev < 0)
 178                 return -1;
 179         if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
 180                 return -1;
 181         switch (magic_val) {
 182         default:
 183         case 1: return 100;
 184         case 2: return 66;
 185         case 3: return 40;
 186         case 4: return 0;
 187         }
 188 }
 189
 190 #define TIMER_BASE3 0x1980
 191 #define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]
 192
 193 static __attribute__((unused)) unsigned int timer_get(void)
 194 {
 195         TIMER_REG(0x08) |= 0x48;  /* run timer, latch value */
 196         return TIMER_REG(0);
 197 }
 198
 199 static void timer_cleanup(void)
 200 {
 201         TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
 202         TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
 203         TIMER_REG(0x00) = 0;    /* clear counter */
 204         TIMER_REG(0x40) = 0;    /* clocks off */
 205         TIMER_REG(0x44) = 0;    /* dividers back to default */
 206 }
 207
 208 void plat_video_menu_enter(int is_rom_loaded)
 209 {
 210         if (pl_vout_buf != NULL) {
 211                 if (psx_bpp == 16)
 212                         // have to do rgb conversion for menu bg
 213                         bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
 214                 else
 215                         memset(pl_vout_buf, 0, 320*240*2);
 216         }
 217
 218         pollux_changemode(16, 0);
 219 }
 220
 221 void plat_video_menu_begin(void)
 222 {
 223 }
 224
 225 void plat_video_menu_end(void)
 226 {
 227         g_menuscreen_ptr = fb_flip();
 228 }
 229
 230 void plat_video_menu_leave(void)
 231 {
 232         if (psx_vram == NULL) {
 233                 fprintf(stderr, "GPU plugin did not provide vram\n");
 234                 exit(1);
 235         }
 236
 237         in_set_config_int(in_name_to_id("evdev:pollux-analog"),
 238                         IN_CFG_ABS_DEAD_ZONE, analog_deadzone);
 239
 240         memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
 241         g_menuscreen_ptr = fb_flip();
 242         memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
 243
 244         pollux_changemode(psx_bpp, 1);
 245 }
 246
 247 void *plat_prepare_screenshot(int *w, int *h, int *bpp)
 248 {
 249         bgr555_to_rgb565(pl_vout_buf, pl_vout_buf, 320*240*2);
 250         *w = 320;
 251         *h = 240;
 252         *bpp = psx_bpp;
 253         return pl_vout_buf;
 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_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_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(320, fb_offset_y + psx_height, fb_offset_x);
 327         }
 328
 329         g_menuscreen_ptr = fb_flip();
 330         pl_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_width * psx_bpp / 8;                                              \
 344         int i;                                                                          \
 345                                                                                         \
 346         pcnt_start(PCNT_BLIT);                                                          \
 347                                                                                         \
 348         for (i = psx_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(320, fb_offset_y + psx_height, fb_offset_x);               \
 356         }                                                                               \
 357                                                                                         \
 358         g_menuscreen_ptr = fb_flip();                                                   \
 359         pl_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 static void *pl_vout_set_mode(int w, int h, int bpp)
 370 {
 371         static int old_w, old_h, old_bpp;
 372         int poff_w, poff_h, w_max;
 373
 374         if (!w || !h || !bpp || (w == old_w && h == old_h && bpp == old_bpp))
 375                 return NULL;
 376
 377         printf("psx mode: %dx%d@%d\n", w, h, bpp);
 378
 379         switch (w + (bpp != 16)) {
 380         case 640:
 381                 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
 382                 w_max = 640;
 383                 break;
 384         case 512:
 385                 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_512;
 386                 w_max = 512;
 387                 break;
 388         case 384:
 389         case 368:
 390                 pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_368;
 391                 w_max = 368;
 392                 break;
 393         default:
 394                 pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
 395                 w_max = 320;
 396                 break;
 397         }
 398
 399         psx_step = 1;
 400         if (h > 256) {
 401                 psx_step = 2;
 402                 h /= 2;
 403         }
 404
 405         poff_w = poff_h = 0;
 406         if (w > w_max) {
 407                 poff_w = w / 2 - w_max / 2;
 408                 w = w_max;
 409         }
 410         fb_offset_x = 0;
 411         if (w < 320)
 412                 fb_offset_x = 320/2 - w / 2;
 413         if (h > 240) {
 414                 poff_h = h / 2 - 240/2;
 415                 h = 240;
 416         }
 417         fb_offset_y = 240/2 - h / 2;
 418
 419         psx_offset_x = poff_w;
 420         psx_offset_y = poff_h;
 421         psx_width = w;
 422         psx_height = h;
 423         psx_bpp = bpp;
 424
 425         if (fb_offset_x || fb_offset_y) {
 426                 // not fullscreen, must clear borders
 427                 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
 428                 g_menuscreen_ptr = fb_flip();
 429                 memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
 430         }
 431
 432         pollux_changemode(bpp, 1);
 433
 434         return NULL;
 435 }
 436
 437 static void *pl_vout_flip(void)
 438 {
 439         return NULL;
 440 }
 441
 442 static void save_multiple_regs(unsigned int *dest, int base, int count)
 443 {
 444         const volatile unsigned int *regs = memregl + base / 4;
 445         int i;
 446
 447         for (i = 0; i < count; i++)
 448                 dest[i] = regs[i];
 449 }
 450
 451 static void restore_multiple_regs(int base, const unsigned int *src, int count)
 452 {
 453         volatile unsigned int *regs = memregl + base / 4;
 454         int i;
 455
 456         for (i = 0; i < count; i++)
 457                 regs[i] = src[i];
 458 }
 459
 460 void plat_init(void)
 461 {
 462         const char *main_fb_name = "/dev/fb0";
 463         struct fb_fix_screeninfo fbfix;
 464         int rate, timer_div, timer_div2;
 465         int fbdev, ret, warm_ret;
 466
 467         memdev = open("/dev/mem", O_RDWR);
 468         if (memdev == -1) {
 469                 perror("open(/dev/mem) failed");
 470                 exit(1);
 471         }
 472
 473         memregs = mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
 474         if (memregs == MAP_FAILED) {
 475                 perror("mmap(memregs) failed");
 476                 exit(1);
 477         }
 478         memregl = (volatile void *)memregs;
 479
 480         // save video regs of both MLCs
 481         save_multiple_regs(saved_video_regs[0], 0x4058, ARRAY_SIZE(saved_video_regs[0]));
 482         save_multiple_regs(saved_video_regs[1], 0x4458, ARRAY_SIZE(saved_video_regs[1]));
 483
 484         fbdev = open(main_fb_name, O_RDWR);
 485         if (fbdev == -1) {
 486                 fprintf(stderr, "%s: ", main_fb_name);
 487                 perror("open");
 488                 exit(1);
 489         }
 490
 491         ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
 492         if (ret == -1) {
 493                 perror("ioctl(fbdev) failed");
 494                 exit(1);
 495         }
 496         printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
 497         fb_paddrs[0] = fbfix.smem_start;
 498         fb_paddrs[1] = fb_paddrs[0] + 320*240*4; // leave space for 24bpp
 499
 500         fb_vaddrs[0] = mmap(0, FB_VRAM_SIZE, PROT_READ|PROT_WRITE,
 501                                 MAP_SHARED, memdev, fb_paddrs[0]);
 502         if (fb_vaddrs[0] == MAP_FAILED) {
 503                 perror("mmap(fb_vaddrs) failed");
 504                 exit(1);
 505         }
 506         fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4;
 507
 508         pollux_changemode(16, 0);
 509         g_menuscreen_w = 320;
 510         g_menuscreen_h = 240;
 511         g_menuscreen_ptr = fb_flip();
 512
 513         g_menubg_ptr = calloc(320*240*2, 1);
 514         if (g_menubg_ptr == NULL) {
 515                 fprintf(stderr, "OOM\n");
 516                 exit(1);
 517         }
 518
 519         warm_ret = warm_init();
 520         have_warm = warm_ret == 0;
 521         warm_change_cb_upper(WCB_B_BIT, 1);
 522
 523         /* some firmwares have sys clk on PLL0, we can't adjust CPU clock
 524          * by reprogramming the PLL0 then, as it overclocks system bus */
 525         if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
 526                 cpu_clock_allowed = 1;
 527         else {
 528                 cpu_clock_allowed = 0;
 529                 fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
 530                         memregl[0xf000>>2]);
 531         }
 532
 533         /* find what PLL1 runs at, for the timer */
 534         rate = decode_pll(memregl[0xf008>>2]);
 535         printf("PLL1 @ %dHz\n", rate);
 536
 537         /* setup timer */
 538         timer_div = (rate + 500000) / 1000000;
 539         timer_div2 = 0;
 540         while (timer_div > 256) {
 541                 timer_div /= 2;
 542                 timer_div2++;
 543         }
 544         if (1 <= timer_div && timer_div <= 256 && timer_div2 < 4) {
 545                 int timer_rate = (rate >> timer_div2) / timer_div;
 546                 if (TIMER_REG(0x08) & 8) {
 547                         fprintf(stderr, "warning: timer in use, overriding!\n");
 548                         timer_cleanup();
 549                 }
 550                 if (timer_rate != 1000000)
 551                         fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);
 552
 553                 timer_div2 = (timer_div2 + 3) & 3;
 554                 TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2;   /* using PLL1 */
 555                 TIMER_REG(0x40) = 0x0c;                         /* clocks on */
 556                 TIMER_REG(0x08) = 0x68 | timer_div2;            /* run timer, clear irq, latch value */
 557         }
 558         else
 559                 fprintf(stderr, "warning: could not make use of timer\n");
 560
 561         /* setup DMA */
 562         DMA_REG(0x0c) = 0x20000; // pending IRQ clear
 563
 564         battdev = open("/dev/pollux_batt", O_RDONLY);
 565         if (battdev < 0)
 566                 perror("Warning: could't open pollux_batt");
 567
 568         pl_rearmed_cbs.pl_vout_flip = pl_vout_flip;
 569         pl_rearmed_cbs.pl_vout_raw_flip = have_warm ? raw_flip_dma : raw_flip_soft;
 570         pl_rearmed_cbs.pl_vout_set_mode = pl_vout_set_mode;
 571         pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;
 572
 573         psx_width = 320;
 574         psx_height = 240;
 575         psx_bpp = 16;
 576
 577         in_tsbutton_init();
 578 }
 579
 580 void plat_finish(void)
 581 {
 582         warm_finish();
 583         timer_cleanup();
 584
 585         memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
 586         restore_multiple_regs(0x4058, saved_video_regs[0], ARRAY_SIZE(saved_video_regs[0]));
 587         restore_multiple_regs(0x4458, saved_video_regs[1], ARRAY_SIZE(saved_video_regs[1]));
 588         memregl[0x4058>>2] |= 0x10;
 589         memregl[0x4458>>2] |= 0x10;
 590         munmap(fb_vaddrs[0], FB_VRAM_SIZE);
 591         close(fbdev);
 592
 593         if (battdev >= 0)
 594                 close(battdev);
 595         munmap((void *)memregs, 0x20000);
 596         close(memdev);
 597 }
 598
 599 void in_update_analogs(void)
 600 {
 601 }
 602
 603 /* Caanoo stuff, perhaps move later */
 604 #include <linux/input.h>
 605
 606 struct in_default_bind in_evdev_defbinds[] = {
 607         { KEY_UP,       IN_BINDTYPE_PLAYER12, DKEY_UP },
 608         { KEY_DOWN,     IN_BINDTYPE_PLAYER12, DKEY_DOWN },
 609         { KEY_LEFT,     IN_BINDTYPE_PLAYER12, DKEY_LEFT },
 610         { KEY_RIGHT,    IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
 611         { BTN_TOP,      IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
 612         { BTN_THUMB,    IN_BINDTYPE_PLAYER12, DKEY_CROSS },
 613         { BTN_THUMB2,   IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
 614         { BTN_TRIGGER,  IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
 615         { BTN_BASE3,    IN_BINDTYPE_PLAYER12, DKEY_START },
 616         { BTN_BASE4,    IN_BINDTYPE_PLAYER12, DKEY_SELECT },
 617         { BTN_TOP2,     IN_BINDTYPE_PLAYER12, DKEY_L1 },
 618         { BTN_PINKIE,   IN_BINDTYPE_PLAYER12, DKEY_R1 },
 619         { BTN_BASE,     IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
 620         { 0, 0, 0 },
 621 };
 622
 623 static const char * const caanoo_keys[KEY_MAX + 1] = {
 624         [0 ... KEY_MAX] = NULL,
 625         [KEY_UP]        = "Up",
 626         [KEY_LEFT]      = "Left",
 627         [KEY_RIGHT]     = "Right",
 628         [KEY_DOWN]      = "Down",
 629         [BTN_TRIGGER]   = "A",
 630         [BTN_THUMB]     = "X",
 631         [BTN_THUMB2]    = "B",
 632         [BTN_TOP]       = "Y",
 633         [BTN_TOP2]      = "L",
 634         [BTN_PINKIE]    = "R",
 635         [BTN_BASE]      = "Home",
 636         [BTN_BASE2]     = "Lock",
 637         [BTN_BASE3]     = "I",
 638         [BTN_BASE4]     = "II",
 639         [BTN_BASE5]     = "Push",
 640 };
 641
 642 int plat_rescan_inputs(void)
 643 {
 644         in_probe();
 645         in_set_config(in_name_to_id("evdev:pollux-analog"), IN_CFG_KEY_NAMES,
 646                       caanoo_keys, sizeof(caanoo_keys));
 647         return 0;
 648 }