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