| 1 | /* |
| 2 | * Copyright © 1999 Keith Packard |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation, and that the name of Keith Packard not be used in |
| 9 | * advertising or publicity pertaining to distribution of the software without |
| 10 | * specific, written prior permission. Keith Packard makes no |
| 11 | * representations about the suitability of this software for any purpose. It |
| 12 | * is provided "as is" without express or implied warranty. |
| 13 | * |
| 14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 20 | * PERFORMANCE OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_CONFIG_H |
| 24 | #include <kdrive-config.h> |
| 25 | #endif |
| 26 | #include "fbdev.h" |
| 27 | #include <sys/ioctl.h> |
| 28 | |
| 29 | #include <errno.h> |
| 30 | |
| 31 | extern int KdTsPhyScreen; |
| 32 | |
| 33 | const char *fbdevDevicePath = NULL; |
| 34 | |
| 35 | static Bool |
| 36 | fbdevInitialize(KdCardInfo * card, FbdevPriv * priv) |
| 37 | { |
| 38 | unsigned long off; |
| 39 | |
| 40 | if (fbdevDevicePath == NULL) |
| 41 | fbdevDevicePath = "/dev/fb0"; |
| 42 | |
| 43 | if ((priv->fd = open(fbdevDevicePath, O_RDWR)) < 0) { |
| 44 | ErrorF("Error opening framebuffer %s: %s\n", |
| 45 | fbdevDevicePath, strerror(errno)); |
| 46 | return FALSE; |
| 47 | } |
| 48 | |
| 49 | /* quiet valgrind */ |
| 50 | memset(&priv->fix, '\0', sizeof(priv->fix)); |
| 51 | if (ioctl(priv->fd, FBIOGET_FSCREENINFO, &priv->fix) < 0) { |
| 52 | perror("Error with /dev/fb ioctl FIOGET_FSCREENINFO"); |
| 53 | close(priv->fd); |
| 54 | return FALSE; |
| 55 | } |
| 56 | /* quiet valgrind */ |
| 57 | memset(&priv->var, '\0', sizeof(priv->var)); |
| 58 | if (ioctl(priv->fd, FBIOGET_VSCREENINFO, &priv->var) < 0) { |
| 59 | perror("Error with /dev/fb ioctl FIOGET_VSCREENINFO"); |
| 60 | close(priv->fd); |
| 61 | return FALSE; |
| 62 | } |
| 63 | |
| 64 | priv->fb_base = (char *) mmap((caddr_t) NULL, |
| 65 | priv->fix.smem_len, |
| 66 | PROT_READ | PROT_WRITE, |
| 67 | MAP_SHARED, priv->fd, 0); |
| 68 | |
| 69 | if (priv->fb_base == (char *) -1) { |
| 70 | perror("ERROR: mmap framebuffer fails!"); |
| 71 | close(priv->fd); |
| 72 | return FALSE; |
| 73 | } |
| 74 | off = (unsigned long) priv->fix.smem_start % (unsigned long) getpagesize(); |
| 75 | priv->fb = priv->fb_base + off; |
| 76 | return TRUE; |
| 77 | } |
| 78 | |
| 79 | Bool |
| 80 | fbdevCardInit(KdCardInfo * card) |
| 81 | { |
| 82 | FbdevPriv *priv; |
| 83 | |
| 84 | priv = (FbdevPriv *) malloc(sizeof(FbdevPriv)); |
| 85 | if (!priv) |
| 86 | return FALSE; |
| 87 | |
| 88 | if (!fbdevInitialize(card, priv)) { |
| 89 | free(priv); |
| 90 | return FALSE; |
| 91 | } |
| 92 | card->driver = priv; |
| 93 | |
| 94 | return TRUE; |
| 95 | } |
| 96 | |
| 97 | static Pixel |
| 98 | fbdevMakeContig(Pixel orig, Pixel others) |
| 99 | { |
| 100 | Pixel low; |
| 101 | |
| 102 | low = lowbit(orig) >> 1; |
| 103 | while (low && (others & low) == 0) { |
| 104 | orig |= low; |
| 105 | low >>= 1; |
| 106 | } |
| 107 | return orig; |
| 108 | } |
| 109 | |
| 110 | static Bool |
| 111 | fbdevModeSupported(KdScreenInfo * screen, const KdMonitorTiming * t) |
| 112 | { |
| 113 | return TRUE; |
| 114 | } |
| 115 | |
| 116 | static void |
| 117 | fbdevConvertMonitorTiming(const KdMonitorTiming * t, |
| 118 | struct fb_var_screeninfo *var) |
| 119 | { |
| 120 | memset(var, 0, sizeof(struct fb_var_screeninfo)); |
| 121 | |
| 122 | var->xres = t->horizontal; |
| 123 | var->yres = t->vertical; |
| 124 | var->xres_virtual = t->horizontal; |
| 125 | var->yres_virtual = t->vertical; |
| 126 | var->xoffset = 0; |
| 127 | var->yoffset = 0; |
| 128 | var->pixclock = t->clock ? 1000000000 / t->clock : 0; |
| 129 | var->left_margin = t->hbp; |
| 130 | var->right_margin = t->hfp; |
| 131 | var->upper_margin = t->vbp; |
| 132 | var->lower_margin = t->vfp; |
| 133 | var->hsync_len = t->hblank - t->hfp - t->hbp; |
| 134 | var->vsync_len = t->vblank - t->vfp - t->vbp; |
| 135 | |
| 136 | var->sync = 0; |
| 137 | var->vmode = 0; |
| 138 | |
| 139 | if (t->hpol == KdSyncPositive) |
| 140 | var->sync |= FB_SYNC_HOR_HIGH_ACT; |
| 141 | if (t->vpol == KdSyncPositive) |
| 142 | var->sync |= FB_SYNC_VERT_HIGH_ACT; |
| 143 | } |
| 144 | |
| 145 | static Bool |
| 146 | fbdevScreenInitialize(KdScreenInfo * screen, FbdevScrPriv * scrpriv) |
| 147 | { |
| 148 | FbdevPriv *priv = screen->card->driver; |
| 149 | Pixel allbits; |
| 150 | int depth; |
| 151 | Bool gray; |
| 152 | struct fb_var_screeninfo var; |
| 153 | const KdMonitorTiming *t; |
| 154 | int k; |
| 155 | |
| 156 | k = ioctl(priv->fd, FBIOGET_VSCREENINFO, &var); |
| 157 | |
| 158 | if (!screen->width || !screen->height) { |
| 159 | if (k >= 0) { |
| 160 | screen->width = var.xres; |
| 161 | screen->height = var.yres; |
| 162 | } |
| 163 | else { |
| 164 | screen->width = 1024; |
| 165 | screen->height = 768; |
| 166 | } |
| 167 | screen->rate = 103; /* FIXME: should get proper value from fb driver */ |
| 168 | } |
| 169 | if (!screen->fb.depth) { |
| 170 | if (k >= 0) |
| 171 | screen->fb.depth = var.bits_per_pixel; |
| 172 | else |
| 173 | screen->fb.depth = 16; |
| 174 | } |
| 175 | |
| 176 | if ((screen->width != var.xres) || (screen->height != var.yres)) { |
| 177 | t = KdFindMode(screen, fbdevModeSupported); |
| 178 | screen->rate = t->rate; |
| 179 | screen->width = t->horizontal; |
| 180 | screen->height = t->vertical; |
| 181 | |
| 182 | /* Now try setting the mode */ |
| 183 | if (k < 0 || (t->horizontal != var.xres || t->vertical != var.yres)) |
| 184 | fbdevConvertMonitorTiming(t, &var); |
| 185 | } |
| 186 | |
| 187 | var.activate = FB_ACTIVATE_NOW; |
| 188 | var.bits_per_pixel = screen->fb.depth; |
| 189 | var.nonstd = 0; |
| 190 | var.grayscale = 0; |
| 191 | |
| 192 | k = ioctl(priv->fd, FBIOPUT_VSCREENINFO, &var); |
| 193 | |
| 194 | if (k < 0) { |
| 195 | fprintf(stderr, "error: %s\n", strerror(errno)); |
| 196 | return FALSE; |
| 197 | } |
| 198 | |
| 199 | /* Re-get the "fixed" parameters since they might have changed */ |
| 200 | k = ioctl(priv->fd, FBIOGET_FSCREENINFO, &priv->fix); |
| 201 | if (k < 0) |
| 202 | perror("FBIOGET_FSCREENINFO"); |
| 203 | |
| 204 | /* Now get the new screeninfo */ |
| 205 | ioctl(priv->fd, FBIOGET_VSCREENINFO, &priv->var); |
| 206 | depth = priv->var.bits_per_pixel; |
| 207 | gray = priv->var.grayscale; |
| 208 | |
| 209 | /* Calculate fix.line_length if it's zero */ |
| 210 | if (!priv->fix.line_length) |
| 211 | priv->fix.line_length = (priv->var.xres_virtual * depth + 7) / 8; |
| 212 | |
| 213 | switch (priv->fix.visual) { |
| 214 | case FB_VISUAL_MONO01: |
| 215 | case FB_VISUAL_MONO10: |
| 216 | screen->fb.visuals = (1 << StaticGray); |
| 217 | break; |
| 218 | case FB_VISUAL_PSEUDOCOLOR: |
| 219 | screen->fb.visuals = (1 << StaticGray); |
| 220 | if (priv->var.bits_per_pixel == 1) { |
| 221 | /* Override to monochrome, to have preallocated black/white */ |
| 222 | priv->fix.visual = FB_VISUAL_MONO01; |
| 223 | } else if (gray) { |
| 224 | /* could also support GrayScale, but what's the point? */ |
| 225 | } else { |
| 226 | screen->fb.visuals = ((1 << StaticGray) | |
| 227 | (1 << GrayScale) | |
| 228 | (1 << StaticColor) | |
| 229 | (1 << PseudoColor) | |
| 230 | (1 << TrueColor) | (1 << DirectColor)); |
| 231 | } |
| 232 | screen->fb.blueMask = 0x00; |
| 233 | screen->fb.greenMask = 0x00; |
| 234 | screen->fb.redMask = 0x00; |
| 235 | break; |
| 236 | case FB_VISUAL_STATIC_PSEUDOCOLOR: |
| 237 | if (gray) { |
| 238 | screen->fb.visuals = (1 << StaticGray); |
| 239 | } |
| 240 | else { |
| 241 | screen->fb.visuals = (1 << StaticColor); |
| 242 | } |
| 243 | screen->fb.blueMask = 0x00; |
| 244 | screen->fb.greenMask = 0x00; |
| 245 | screen->fb.redMask = 0x00; |
| 246 | break; |
| 247 | case FB_VISUAL_TRUECOLOR: |
| 248 | case FB_VISUAL_DIRECTCOLOR: |
| 249 | screen->fb.visuals = (1 << TrueColor); |
| 250 | #define Mask(o,l) (((1 << l) - 1) << o) |
| 251 | screen->fb.redMask = Mask (priv->var.red.offset, priv->var.red.length); |
| 252 | screen->fb.greenMask = |
| 253 | Mask (priv->var.green.offset, priv->var.green.length); |
| 254 | screen->fb.blueMask = |
| 255 | Mask (priv->var.blue.offset, priv->var.blue.length); |
| 256 | |
| 257 | /* |
| 258 | * This is a kludge so that Render will work -- fill in the gaps |
| 259 | * in the pixel |
| 260 | */ |
| 261 | screen->fb.redMask = fbdevMakeContig(screen->fb.redMask, |
| 262 | screen->fb.greenMask | |
| 263 | screen->fb.blueMask); |
| 264 | |
| 265 | screen->fb.greenMask = fbdevMakeContig(screen->fb.greenMask, |
| 266 | screen->fb.redMask | |
| 267 | screen->fb.blueMask); |
| 268 | |
| 269 | screen->fb.blueMask = fbdevMakeContig(screen->fb.blueMask, |
| 270 | screen->fb.redMask | |
| 271 | screen->fb.greenMask); |
| 272 | |
| 273 | allbits = |
| 274 | screen->fb.redMask | screen->fb.greenMask | screen->fb.blueMask; |
| 275 | depth = 32; |
| 276 | while (depth && !(allbits & (1 << (depth - 1)))) |
| 277 | depth--; |
| 278 | break; |
| 279 | default: |
| 280 | return FALSE; |
| 281 | break; |
| 282 | } |
| 283 | screen->fb.depth = depth; |
| 284 | screen->fb.bitsPerPixel = priv->var.bits_per_pixel; |
| 285 | |
| 286 | scrpriv->randr = screen->randr; |
| 287 | |
| 288 | return fbdevMapFramebuffer(screen); |
| 289 | } |
| 290 | |
| 291 | Bool |
| 292 | fbdevScreenInit(KdScreenInfo * screen) |
| 293 | { |
| 294 | FbdevScrPriv *scrpriv; |
| 295 | |
| 296 | scrpriv = calloc(1, sizeof(FbdevScrPriv)); |
| 297 | if (!scrpriv) |
| 298 | return FALSE; |
| 299 | screen->driver = scrpriv; |
| 300 | if (!fbdevScreenInitialize(screen, scrpriv)) { |
| 301 | screen->driver = 0; |
| 302 | free(scrpriv); |
| 303 | return FALSE; |
| 304 | } |
| 305 | return TRUE; |
| 306 | } |
| 307 | |
| 308 | static void * |
| 309 | fbdevWindowLinear(ScreenPtr pScreen, |
| 310 | CARD32 row, |
| 311 | CARD32 offset, int mode, CARD32 *size, void *closure) |
| 312 | { |
| 313 | KdScreenPriv(pScreen); |
| 314 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 315 | |
| 316 | if (!pScreenPriv->enabled) |
| 317 | return 0; |
| 318 | *size = priv->fix.line_length; |
| 319 | return (CARD8 *) priv->fb + row * priv->fix.line_length + offset; |
| 320 | } |
| 321 | |
| 322 | static void * |
| 323 | fbdevWindowAfb(ScreenPtr pScreen, |
| 324 | CARD32 row, |
| 325 | CARD32 offset, int mode, CARD32 *size, void *closure) |
| 326 | { |
| 327 | KdScreenPriv(pScreen); |
| 328 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 329 | |
| 330 | if (!pScreenPriv->enabled) |
| 331 | return 0; |
| 332 | /* offset to next plane */ |
| 333 | *size = priv->var.yres_virtual * priv->fix.line_length; |
| 334 | return (CARD8 *) priv->fb + row * priv->fix.line_length + offset; |
| 335 | } |
| 336 | |
| 337 | Bool |
| 338 | fbdevMapFramebuffer(KdScreenInfo * screen) |
| 339 | { |
| 340 | FbdevScrPriv *scrpriv = screen->driver; |
| 341 | KdPointerMatrix m; |
| 342 | FbdevPriv *priv = screen->card->driver; |
| 343 | |
| 344 | if (scrpriv->randr != RR_Rotate_0 || |
| 345 | priv->fix.type != FB_TYPE_PACKED_PIXELS) |
| 346 | scrpriv->shadow = TRUE; |
| 347 | else |
| 348 | scrpriv->shadow = FALSE; |
| 349 | |
| 350 | KdComputePointerMatrix(&m, scrpriv->randr, screen->width, screen->height); |
| 351 | |
| 352 | KdSetPointerMatrix(&m); |
| 353 | |
| 354 | screen->width = priv->var.xres; |
| 355 | screen->height = priv->var.yres; |
| 356 | |
| 357 | if (scrpriv->shadow) { |
| 358 | if (!KdShadowFbAlloc(screen, |
| 359 | scrpriv->randr & (RR_Rotate_90 | RR_Rotate_270))) |
| 360 | return FALSE; |
| 361 | } |
| 362 | else { |
| 363 | screen->fb.byteStride = priv->fix.line_length; |
| 364 | screen->fb.pixelStride = (priv->fix.line_length * 8 / |
| 365 | priv->var.bits_per_pixel); |
| 366 | screen->fb.frameBuffer = (CARD8 *) (priv->fb); |
| 367 | } |
| 368 | |
| 369 | return TRUE; |
| 370 | } |
| 371 | |
| 372 | static void |
| 373 | fbdevSetScreenSizes(ScreenPtr pScreen) |
| 374 | { |
| 375 | KdScreenPriv(pScreen); |
| 376 | KdScreenInfo *screen = pScreenPriv->screen; |
| 377 | FbdevScrPriv *scrpriv = screen->driver; |
| 378 | FbdevPriv *priv = screen->card->driver; |
| 379 | |
| 380 | if (scrpriv->randr & (RR_Rotate_0 | RR_Rotate_180)) { |
| 381 | pScreen->width = priv->var.xres; |
| 382 | pScreen->height = priv->var.yres; |
| 383 | pScreen->mmWidth = screen->width_mm; |
| 384 | pScreen->mmHeight = screen->height_mm; |
| 385 | } |
| 386 | else { |
| 387 | pScreen->width = priv->var.yres; |
| 388 | pScreen->height = priv->var.xres; |
| 389 | pScreen->mmWidth = screen->height_mm; |
| 390 | pScreen->mmHeight = screen->width_mm; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | static Bool |
| 395 | fbdevUnmapFramebuffer(KdScreenInfo * screen) |
| 396 | { |
| 397 | KdShadowFbFree(screen); |
| 398 | return TRUE; |
| 399 | } |
| 400 | |
| 401 | static Bool |
| 402 | fbdevSetShadow(ScreenPtr pScreen) |
| 403 | { |
| 404 | KdScreenPriv(pScreen); |
| 405 | KdScreenInfo *screen = pScreenPriv->screen; |
| 406 | FbdevScrPriv *scrpriv = screen->driver; |
| 407 | FbdevPriv *priv = screen->card->driver; |
| 408 | ShadowUpdateProc update; |
| 409 | ShadowWindowProc window; |
| 410 | int useYX = 0; |
| 411 | |
| 412 | #ifdef __arm__ |
| 413 | /* Use variant copy routines that always read left to right in the |
| 414 | shadow framebuffer. Reading vertical strips is exceptionally |
| 415 | slow on XScale due to cache effects. */ |
| 416 | useYX = 1; |
| 417 | #endif |
| 418 | |
| 419 | window = fbdevWindowLinear; |
| 420 | update = 0; |
| 421 | switch (priv->fix.type) { |
| 422 | case FB_TYPE_PACKED_PIXELS: |
| 423 | if (scrpriv->randr) |
| 424 | if (priv->var.bits_per_pixel == 16) { |
| 425 | switch (scrpriv->randr) { |
| 426 | case RR_Rotate_90: |
| 427 | if (useYX) |
| 428 | update = shadowUpdateRotate16_90YX; |
| 429 | else |
| 430 | update = shadowUpdateRotate16_90; |
| 431 | break; |
| 432 | case RR_Rotate_180: |
| 433 | update = shadowUpdateRotate16_180; |
| 434 | break; |
| 435 | case RR_Rotate_270: |
| 436 | if (useYX) |
| 437 | update = shadowUpdateRotate16_270YX; |
| 438 | else |
| 439 | update = shadowUpdateRotate16_270; |
| 440 | break; |
| 441 | default: |
| 442 | update = shadowUpdateRotate16; |
| 443 | break; |
| 444 | } |
| 445 | } |
| 446 | else |
| 447 | update = shadowUpdateRotatePacked; |
| 448 | else |
| 449 | update = shadowUpdatePacked; |
| 450 | break; |
| 451 | |
| 452 | case FB_TYPE_PLANES: |
| 453 | window = fbdevWindowAfb; |
| 454 | switch (priv->var.bits_per_pixel) { |
| 455 | case 4: |
| 456 | update = shadowUpdateAfb4; |
| 457 | break; |
| 458 | |
| 459 | case 8: |
| 460 | update = shadowUpdateAfb8; |
| 461 | break; |
| 462 | |
| 463 | default: |
| 464 | FatalError("Bitplanes with bpp %u are not yet supported\n", |
| 465 | priv->var.bits_per_pixel); |
| 466 | } |
| 467 | break; |
| 468 | |
| 469 | case FB_TYPE_INTERLEAVED_PLANES: |
| 470 | if (priv->fix.type_aux == 2) { |
| 471 | switch (priv->var.bits_per_pixel) { |
| 472 | case 4: |
| 473 | update = shadowUpdateIplan2p4; |
| 474 | break; |
| 475 | |
| 476 | case 8: |
| 477 | update = shadowUpdateIplan2p8; |
| 478 | break; |
| 479 | |
| 480 | default: |
| 481 | FatalError("Atari interleaved bitplanes with bpp %u are not yet supported\n", |
| 482 | priv->var.bits_per_pixel); |
| 483 | } |
| 484 | } else { |
| 485 | FatalError("Interleaved bitplanes with interleave %u are not yet supported\n", |
| 486 | priv->fix.type_aux); |
| 487 | } |
| 488 | break; |
| 489 | |
| 490 | case FB_TYPE_TEXT: |
| 491 | FatalError("Text frame buffers are not yet supported\n"); |
| 492 | break; |
| 493 | |
| 494 | case FB_TYPE_VGA_PLANES: |
| 495 | FatalError("VGA planes are not yet supported\n"); |
| 496 | break; |
| 497 | |
| 498 | default: |
| 499 | FatalError("Unsupported frame buffer type %u\n", priv->fix.type); |
| 500 | break; |
| 501 | } |
| 502 | |
| 503 | return KdShadowSet(pScreen, scrpriv->randr, update, window); |
| 504 | } |
| 505 | |
| 506 | #ifdef RANDR |
| 507 | static Bool |
| 508 | fbdevRandRGetInfo(ScreenPtr pScreen, Rotation * rotations) |
| 509 | { |
| 510 | KdScreenPriv(pScreen); |
| 511 | KdScreenInfo *screen = pScreenPriv->screen; |
| 512 | FbdevScrPriv *scrpriv = screen->driver; |
| 513 | RRScreenSizePtr pSize; |
| 514 | Rotation randr; |
| 515 | int n; |
| 516 | |
| 517 | *rotations = RR_Rotate_All | RR_Reflect_All; |
| 518 | |
| 519 | for (n = 0; n < pScreen->numDepths; n++) |
| 520 | if (pScreen->allowedDepths[n].numVids) |
| 521 | break; |
| 522 | if (n == pScreen->numDepths) |
| 523 | return FALSE; |
| 524 | |
| 525 | pSize = RRRegisterSize(pScreen, |
| 526 | screen->width, |
| 527 | screen->height, screen->width_mm, screen->height_mm); |
| 528 | |
| 529 | randr = KdSubRotation(scrpriv->randr, screen->randr); |
| 530 | |
| 531 | RRSetCurrentConfig(pScreen, randr, 0, pSize); |
| 532 | |
| 533 | return TRUE; |
| 534 | } |
| 535 | |
| 536 | static Bool |
| 537 | fbdevRandRSetConfig(ScreenPtr pScreen, |
| 538 | Rotation randr, int rate, RRScreenSizePtr pSize) |
| 539 | { |
| 540 | KdScreenPriv(pScreen); |
| 541 | KdScreenInfo *screen = pScreenPriv->screen; |
| 542 | FbdevScrPriv *scrpriv = screen->driver; |
| 543 | Bool wasEnabled = pScreenPriv->enabled; |
| 544 | FbdevScrPriv oldscr; |
| 545 | int oldwidth; |
| 546 | int oldheight; |
| 547 | int oldmmwidth; |
| 548 | int oldmmheight; |
| 549 | int newwidth, newheight, newmmwidth, newmmheight; |
| 550 | |
| 551 | if (screen->randr & (RR_Rotate_0 | RR_Rotate_180)) { |
| 552 | newwidth = pSize->width; |
| 553 | newheight = pSize->height; |
| 554 | newmmwidth = pSize->mmWidth; |
| 555 | newmmheight = pSize->mmHeight; |
| 556 | } |
| 557 | else { |
| 558 | newwidth = pSize->height; |
| 559 | newheight = pSize->width; |
| 560 | newmmwidth = pSize->mmHeight; |
| 561 | newmmheight = pSize->mmWidth; |
| 562 | } |
| 563 | |
| 564 | if (wasEnabled) |
| 565 | KdDisableScreen(pScreen); |
| 566 | |
| 567 | oldscr = *scrpriv; |
| 568 | |
| 569 | oldwidth = screen->width; |
| 570 | oldheight = screen->height; |
| 571 | oldmmwidth = pScreen->mmWidth; |
| 572 | oldmmheight = pScreen->mmHeight; |
| 573 | |
| 574 | /* |
| 575 | * Set new configuration |
| 576 | */ |
| 577 | |
| 578 | scrpriv->randr = KdAddRotation(screen->randr, randr); |
| 579 | pScreen->width = newwidth; |
| 580 | pScreen->height = newheight; |
| 581 | pScreen->mmWidth = newmmwidth; |
| 582 | pScreen->mmHeight = newmmheight; |
| 583 | |
| 584 | fbdevUnmapFramebuffer(screen); |
| 585 | |
| 586 | if (!fbdevMapFramebuffer(screen)) |
| 587 | goto bail4; |
| 588 | |
| 589 | KdShadowUnset(screen->pScreen); |
| 590 | |
| 591 | if (!fbdevSetShadow(screen->pScreen)) |
| 592 | goto bail4; |
| 593 | |
| 594 | fbdevSetScreenSizes(screen->pScreen); |
| 595 | |
| 596 | /* |
| 597 | * Set frame buffer mapping |
| 598 | */ |
| 599 | (*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap(pScreen), |
| 600 | pScreen->width, |
| 601 | pScreen->height, |
| 602 | screen->fb.depth, |
| 603 | screen->fb.bitsPerPixel, |
| 604 | screen->fb.byteStride, |
| 605 | screen->fb.frameBuffer); |
| 606 | |
| 607 | /* set the subpixel order */ |
| 608 | |
| 609 | KdSetSubpixelOrder(pScreen, scrpriv->randr); |
| 610 | if (wasEnabled) |
| 611 | KdEnableScreen(pScreen); |
| 612 | |
| 613 | return TRUE; |
| 614 | |
| 615 | bail4: |
| 616 | fbdevUnmapFramebuffer(screen); |
| 617 | *scrpriv = oldscr; |
| 618 | (void) fbdevMapFramebuffer(screen); |
| 619 | pScreen->width = oldwidth; |
| 620 | pScreen->height = oldheight; |
| 621 | pScreen->mmWidth = oldmmwidth; |
| 622 | pScreen->mmHeight = oldmmheight; |
| 623 | |
| 624 | if (wasEnabled) |
| 625 | KdEnableScreen(pScreen); |
| 626 | return FALSE; |
| 627 | } |
| 628 | |
| 629 | static Bool |
| 630 | fbdevRandRInit(ScreenPtr pScreen) |
| 631 | { |
| 632 | rrScrPrivPtr pScrPriv; |
| 633 | |
| 634 | if (!RRScreenInit(pScreen)) |
| 635 | return FALSE; |
| 636 | |
| 637 | pScrPriv = rrGetScrPriv(pScreen); |
| 638 | pScrPriv->rrGetInfo = fbdevRandRGetInfo; |
| 639 | pScrPriv->rrSetConfig = fbdevRandRSetConfig; |
| 640 | return TRUE; |
| 641 | } |
| 642 | #endif |
| 643 | |
| 644 | static Bool |
| 645 | fbdevCreateColormap(ColormapPtr pmap) |
| 646 | { |
| 647 | ScreenPtr pScreen = pmap->pScreen; |
| 648 | |
| 649 | KdScreenPriv(pScreen); |
| 650 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 651 | VisualPtr pVisual; |
| 652 | int i; |
| 653 | int nent; |
| 654 | xColorItem *pdefs; |
| 655 | |
| 656 | switch (priv->fix.visual) { |
| 657 | case FB_VISUAL_MONO01: |
| 658 | pScreen->whitePixel = 0; |
| 659 | pScreen->blackPixel = 1; |
| 660 | pmap->red[0].co.local.red = 65535; |
| 661 | pmap->red[0].co.local.green = 65535; |
| 662 | pmap->red[0].co.local.blue = 65535; |
| 663 | pmap->red[1].co.local.red = 0; |
| 664 | pmap->red[1].co.local.green = 0; |
| 665 | pmap->red[1].co.local.blue = 0; |
| 666 | return TRUE; |
| 667 | case FB_VISUAL_MONO10: |
| 668 | pScreen->blackPixel = 0; |
| 669 | pScreen->whitePixel = 1; |
| 670 | pmap->red[0].co.local.red = 0; |
| 671 | pmap->red[0].co.local.green = 0; |
| 672 | pmap->red[0].co.local.blue = 0; |
| 673 | pmap->red[1].co.local.red = 65535; |
| 674 | pmap->red[1].co.local.green = 65535; |
| 675 | pmap->red[1].co.local.blue = 65535; |
| 676 | return TRUE; |
| 677 | case FB_VISUAL_STATIC_PSEUDOCOLOR: |
| 678 | pVisual = pmap->pVisual; |
| 679 | nent = pVisual->ColormapEntries; |
| 680 | pdefs = malloc(nent * sizeof(xColorItem)); |
| 681 | if (!pdefs) |
| 682 | return FALSE; |
| 683 | for (i = 0; i < nent; i++) |
| 684 | pdefs[i].pixel = i; |
| 685 | fbdevGetColors(pScreen, nent, pdefs); |
| 686 | for (i = 0; i < nent; i++) { |
| 687 | pmap->red[i].co.local.red = pdefs[i].red; |
| 688 | pmap->red[i].co.local.green = pdefs[i].green; |
| 689 | pmap->red[i].co.local.blue = pdefs[i].blue; |
| 690 | } |
| 691 | free(pdefs); |
| 692 | return TRUE; |
| 693 | default: |
| 694 | return fbInitializeColormap(pmap); |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | Bool |
| 699 | fbdevInitScreen(ScreenPtr pScreen) |
| 700 | { |
| 701 | #ifdef TOUCHSCREEN |
| 702 | KdTsPhyScreen = pScreen->myNum; |
| 703 | #endif |
| 704 | |
| 705 | pScreen->CreateColormap = fbdevCreateColormap; |
| 706 | return TRUE; |
| 707 | } |
| 708 | |
| 709 | Bool |
| 710 | fbdevFinishInitScreen(ScreenPtr pScreen) |
| 711 | { |
| 712 | if (!shadowSetup(pScreen)) |
| 713 | return FALSE; |
| 714 | |
| 715 | #ifdef RANDR |
| 716 | if (!fbdevRandRInit(pScreen)) |
| 717 | return FALSE; |
| 718 | #endif |
| 719 | |
| 720 | return TRUE; |
| 721 | } |
| 722 | |
| 723 | Bool |
| 724 | fbdevCreateResources(ScreenPtr pScreen) |
| 725 | { |
| 726 | return fbdevSetShadow(pScreen); |
| 727 | } |
| 728 | |
| 729 | void |
| 730 | fbdevPreserve(KdCardInfo * card) |
| 731 | { |
| 732 | } |
| 733 | |
| 734 | static int |
| 735 | fbdevUpdateFbColormap(FbdevPriv * priv, int minidx, int maxidx) |
| 736 | { |
| 737 | struct fb_cmap cmap; |
| 738 | |
| 739 | cmap.start = minidx; |
| 740 | cmap.len = maxidx - minidx + 1; |
| 741 | cmap.red = &priv->red[minidx]; |
| 742 | cmap.green = &priv->green[minidx]; |
| 743 | cmap.blue = &priv->blue[minidx]; |
| 744 | cmap.transp = 0; |
| 745 | |
| 746 | return ioctl(priv->fd, FBIOPUTCMAP, &cmap); |
| 747 | } |
| 748 | |
| 749 | Bool |
| 750 | fbdevEnable(ScreenPtr pScreen) |
| 751 | { |
| 752 | KdScreenPriv(pScreen); |
| 753 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 754 | int k; |
| 755 | |
| 756 | priv->var.activate = FB_ACTIVATE_NOW | FB_CHANGE_CMAP_VBL; |
| 757 | |
| 758 | /* display it on the LCD */ |
| 759 | k = ioctl(priv->fd, FBIOPUT_VSCREENINFO, &priv->var); |
| 760 | if (k < 0) { |
| 761 | perror("FBIOPUT_VSCREENINFO"); |
| 762 | return FALSE; |
| 763 | } |
| 764 | |
| 765 | if (priv->fix.visual == FB_VISUAL_DIRECTCOLOR) { |
| 766 | int i; |
| 767 | |
| 768 | for (i = 0; |
| 769 | i < (1 << priv->var.red.length) || |
| 770 | i < (1 << priv->var.green.length) || |
| 771 | i < (1 << priv->var.blue.length); i++) { |
| 772 | priv->red[i] = i * 65535 / ((1 << priv->var.red.length) - 1); |
| 773 | priv->green[i] = i * 65535 / ((1 << priv->var.green.length) - 1); |
| 774 | priv->blue[i] = i * 65535 / ((1 << priv->var.blue.length) - 1); |
| 775 | } |
| 776 | |
| 777 | fbdevUpdateFbColormap(priv, 0, i); |
| 778 | } |
| 779 | return TRUE; |
| 780 | } |
| 781 | |
| 782 | Bool |
| 783 | fbdevDPMS(ScreenPtr pScreen, int mode) |
| 784 | { |
| 785 | KdScreenPriv(pScreen); |
| 786 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 787 | static int oldmode = -1; |
| 788 | |
| 789 | if (mode == oldmode) |
| 790 | return TRUE; |
| 791 | #ifdef FBIOPUT_POWERMODE |
| 792 | if (ioctl(priv->fd, FBIOPUT_POWERMODE, &mode) >= 0) { |
| 793 | oldmode = mode; |
| 794 | return TRUE; |
| 795 | } |
| 796 | #endif |
| 797 | #ifdef FBIOBLANK |
| 798 | if (ioctl(priv->fd, FBIOBLANK, mode ? mode + 1 : 0) >= 0) { |
| 799 | oldmode = mode; |
| 800 | return TRUE; |
| 801 | } |
| 802 | #endif |
| 803 | return FALSE; |
| 804 | } |
| 805 | |
| 806 | void |
| 807 | fbdevDisable(ScreenPtr pScreen) |
| 808 | { |
| 809 | } |
| 810 | |
| 811 | void |
| 812 | fbdevRestore(KdCardInfo * card) |
| 813 | { |
| 814 | } |
| 815 | |
| 816 | void |
| 817 | fbdevScreenFini(KdScreenInfo * screen) |
| 818 | { |
| 819 | } |
| 820 | |
| 821 | void |
| 822 | fbdevCardFini(KdCardInfo * card) |
| 823 | { |
| 824 | FbdevPriv *priv = card->driver; |
| 825 | |
| 826 | munmap(priv->fb_base, priv->fix.smem_len); |
| 827 | close(priv->fd); |
| 828 | free(priv); |
| 829 | } |
| 830 | |
| 831 | /* |
| 832 | * Retrieve actual colormap and return selected n entries in pdefs. |
| 833 | */ |
| 834 | void |
| 835 | fbdevGetColors(ScreenPtr pScreen, int n, xColorItem * pdefs) |
| 836 | { |
| 837 | KdScreenPriv(pScreen); |
| 838 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 839 | struct fb_cmap cmap; |
| 840 | int p; |
| 841 | int k; |
| 842 | int min, max; |
| 843 | |
| 844 | min = 256; |
| 845 | max = 0; |
| 846 | for (k = 0; k < n; k++) { |
| 847 | if (pdefs[k].pixel < min) |
| 848 | min = pdefs[k].pixel; |
| 849 | if (pdefs[k].pixel > max) |
| 850 | max = pdefs[k].pixel; |
| 851 | } |
| 852 | cmap.start = min; |
| 853 | cmap.len = max - min + 1; |
| 854 | cmap.red = &priv->red[min]; |
| 855 | cmap.green = &priv->green[min]; |
| 856 | cmap.blue = &priv->blue[min]; |
| 857 | cmap.transp = 0; |
| 858 | k = ioctl(priv->fd, FBIOGETCMAP, &cmap); |
| 859 | if (k < 0) { |
| 860 | perror("can't get colormap"); |
| 861 | return; |
| 862 | } |
| 863 | while (n--) { |
| 864 | p = pdefs->pixel; |
| 865 | pdefs->red = priv->red[p]; |
| 866 | pdefs->green = priv->green[p]; |
| 867 | pdefs->blue = priv->blue[p]; |
| 868 | pdefs++; |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | /* |
| 873 | * Change colormap by updating n entries described in pdefs. |
| 874 | */ |
| 875 | void |
| 876 | fbdevPutColors(ScreenPtr pScreen, int n, xColorItem * pdefs) |
| 877 | { |
| 878 | KdScreenPriv(pScreen); |
| 879 | FbdevPriv *priv = pScreenPriv->card->driver; |
| 880 | int p; |
| 881 | int min, max; |
| 882 | |
| 883 | min = 256; |
| 884 | max = 0; |
| 885 | while (n--) { |
| 886 | p = pdefs->pixel; |
| 887 | priv->red[p] = pdefs->red; |
| 888 | priv->green[p] = pdefs->green; |
| 889 | priv->blue[p] = pdefs->blue; |
| 890 | if (p < min) |
| 891 | min = p; |
| 892 | if (p > max) |
| 893 | max = p; |
| 894 | pdefs++; |
| 895 | } |
| 896 | |
| 897 | fbdevUpdateFbColormap(priv, min, max); |
| 898 | } |