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