| 1 | /* all driver need this */ |
| 2 | #ifdef HAVE_XORG_CONFIG_H |
| 3 | #include <xorg-config.h> |
| 4 | #endif |
| 5 | |
| 6 | #include <string.h> |
| 7 | |
| 8 | #include "xf86.h" |
| 9 | #include "xf86Modes.h" |
| 10 | #include "xf86_OSproc.h" |
| 11 | |
| 12 | /* pci stuff */ |
| 13 | #include "xf86Pci.h" |
| 14 | |
| 15 | #include "xf86cmap.h" |
| 16 | |
| 17 | #include "fbdevhw.h" |
| 18 | #include "fbpriv.h" |
| 19 | #include "globals.h" |
| 20 | #include <X11/extensions/dpmsconst.h> |
| 21 | |
| 22 | #define PAGE_MASK (~(getpagesize() - 1)) |
| 23 | |
| 24 | static XF86ModuleVersionInfo fbdevHWVersRec = { |
| 25 | "fbdevhw", |
| 26 | MODULEVENDORSTRING, |
| 27 | MODINFOSTRING1, |
| 28 | MODINFOSTRING2, |
| 29 | XORG_VERSION_CURRENT, |
| 30 | 0, 0, 2, |
| 31 | ABI_CLASS_VIDEODRV, |
| 32 | ABI_VIDEODRV_VERSION, |
| 33 | MOD_CLASS_NONE, |
| 34 | {0, 0, 0, 0} |
| 35 | }; |
| 36 | |
| 37 | _X_EXPORT XF86ModuleData fbdevhwModuleData = { |
| 38 | &fbdevHWVersRec, |
| 39 | NULL, |
| 40 | NULL |
| 41 | }; |
| 42 | |
| 43 | #include <fcntl.h> |
| 44 | #include <errno.h> |
| 45 | #include <sys/mman.h> |
| 46 | #include <sys/ioctl.h> |
| 47 | #include <stdio.h> |
| 48 | #include <stdlib.h> |
| 49 | #include <unistd.h> |
| 50 | |
| 51 | /* -------------------------------------------------------------------- */ |
| 52 | /* our private data, and two functions to allocate/free this */ |
| 53 | |
| 54 | #define FBDEVHWPTRLVAL(p) (p)->privates[fbdevHWPrivateIndex].ptr |
| 55 | #define FBDEVHWPTR(p) ((fbdevHWPtr)(FBDEVHWPTRLVAL(p))) |
| 56 | |
| 57 | static int fbdevHWPrivateIndex = -1; |
| 58 | |
| 59 | typedef struct { |
| 60 | /* framebuffer device: filename (/dev/fb*), handle, more */ |
| 61 | char *device; |
| 62 | int fd; |
| 63 | void *fbmem; |
| 64 | unsigned int fbmem_len; |
| 65 | unsigned int fboff; |
| 66 | char *mmio; |
| 67 | unsigned int mmio_len; |
| 68 | |
| 69 | /* current hardware state */ |
| 70 | struct fb_fix_screeninfo fix; |
| 71 | struct fb_var_screeninfo var; |
| 72 | |
| 73 | /* saved video mode */ |
| 74 | struct fb_var_screeninfo saved_var; |
| 75 | |
| 76 | /* buildin video mode */ |
| 77 | DisplayModeRec buildin; |
| 78 | |
| 79 | } fbdevHWRec, *fbdevHWPtr; |
| 80 | |
| 81 | Bool |
| 82 | fbdevHWGetRec(ScrnInfoPtr pScrn) |
| 83 | { |
| 84 | fbdevHWPtr fPtr; |
| 85 | |
| 86 | if (fbdevHWPrivateIndex < 0) |
| 87 | fbdevHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex(); |
| 88 | |
| 89 | if (FBDEVHWPTR(pScrn) != NULL) |
| 90 | return TRUE; |
| 91 | |
| 92 | fPtr = FBDEVHWPTRLVAL(pScrn) = xnfcalloc(sizeof(fbdevHWRec), 1); |
| 93 | return TRUE; |
| 94 | } |
| 95 | |
| 96 | void |
| 97 | fbdevHWFreeRec(ScrnInfoPtr pScrn) |
| 98 | { |
| 99 | if (fbdevHWPrivateIndex < 0) |
| 100 | return; |
| 101 | free(FBDEVHWPTR(pScrn)); |
| 102 | FBDEVHWPTRLVAL(pScrn) = NULL; |
| 103 | } |
| 104 | |
| 105 | int |
| 106 | fbdevHWGetFD(ScrnInfoPtr pScrn) |
| 107 | { |
| 108 | fbdevHWPtr fPtr; |
| 109 | |
| 110 | fbdevHWGetRec(pScrn); |
| 111 | fPtr = FBDEVHWPTR(pScrn); |
| 112 | |
| 113 | return fPtr->fd; |
| 114 | } |
| 115 | |
| 116 | /* -------------------------------------------------------------------- */ |
| 117 | /* some helpers for printing debug informations */ |
| 118 | |
| 119 | #if DEBUG |
| 120 | static void |
| 121 | print_fbdev_mode(char *txt, struct fb_var_screeninfo *var) |
| 122 | { |
| 123 | ErrorF("fbdev %s mode:\t%d %d %d %d %d %d %d %d %d %d %d:%d:%d\n", |
| 124 | txt, var->pixclock, |
| 125 | var->xres, var->right_margin, var->hsync_len, var->left_margin, |
| 126 | var->yres, var->lower_margin, var->vsync_len, var->upper_margin, |
| 127 | var->bits_per_pixel, |
| 128 | var->red.length, var->green.length, var->blue.length); |
| 129 | } |
| 130 | |
| 131 | static void |
| 132 | print_xfree_mode(char *txt, DisplayModePtr mode) |
| 133 | { |
| 134 | ErrorF("xfree %s mode:\t%d %d %d %d %d %d %d %d %d\n", |
| 135 | txt, mode->Clock, |
| 136 | mode->HDisplay, mode->HSyncStart, mode->HSyncEnd, mode->HTotal, |
| 137 | mode->VDisplay, mode->VSyncStart, mode->VSyncEnd, mode->VTotal); |
| 138 | } |
| 139 | #endif |
| 140 | |
| 141 | /* -------------------------------------------------------------------- */ |
| 142 | /* Convert timings between the XFree and the Frame Buffer Device */ |
| 143 | |
| 144 | static void |
| 145 | xfree2fbdev_fblayout(ScrnInfoPtr pScrn, struct fb_var_screeninfo *var) |
| 146 | { |
| 147 | var->xres_virtual = pScrn->displayWidth ? pScrn->displayWidth : |
| 148 | pScrn->virtualX; |
| 149 | var->yres_virtual = pScrn->virtualY; |
| 150 | var->bits_per_pixel = pScrn->bitsPerPixel; |
| 151 | if (pScrn->defaultVisual == TrueColor || |
| 152 | pScrn->defaultVisual == DirectColor) { |
| 153 | var->red.length = pScrn->weight.red; |
| 154 | var->green.length = pScrn->weight.green; |
| 155 | var->blue.length = pScrn->weight.blue; |
| 156 | } |
| 157 | else { |
| 158 | var->red.length = 8; |
| 159 | var->green.length = 8; |
| 160 | var->blue.length = 8; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | static void |
| 165 | xfree2fbdev_timing(DisplayModePtr mode, struct fb_var_screeninfo *var) |
| 166 | { |
| 167 | var->xres = mode->HDisplay; |
| 168 | var->yres = mode->VDisplay; |
| 169 | if (var->xres_virtual < var->xres) |
| 170 | var->xres_virtual = var->xres; |
| 171 | if (var->yres_virtual < var->yres) |
| 172 | var->yres_virtual = var->yres; |
| 173 | var->xoffset = var->yoffset = 0; |
| 174 | var->pixclock = mode->Clock ? 1000000000 / mode->Clock : 0; |
| 175 | var->right_margin = mode->HSyncStart - mode->HDisplay; |
| 176 | var->hsync_len = mode->HSyncEnd - mode->HSyncStart; |
| 177 | var->left_margin = mode->HTotal - mode->HSyncEnd; |
| 178 | var->lower_margin = mode->VSyncStart - mode->VDisplay; |
| 179 | var->vsync_len = mode->VSyncEnd - mode->VSyncStart; |
| 180 | var->upper_margin = mode->VTotal - mode->VSyncEnd; |
| 181 | var->sync = 0; |
| 182 | if (mode->Flags & V_PHSYNC) |
| 183 | var->sync |= FB_SYNC_HOR_HIGH_ACT; |
| 184 | if (mode->Flags & V_PVSYNC) |
| 185 | var->sync |= FB_SYNC_VERT_HIGH_ACT; |
| 186 | if (mode->Flags & V_PCSYNC) |
| 187 | var->sync |= FB_SYNC_COMP_HIGH_ACT; |
| 188 | if (mode->Flags & V_BCAST) |
| 189 | var->sync |= FB_SYNC_BROADCAST; |
| 190 | if (mode->Flags & V_INTERLACE) |
| 191 | var->vmode = FB_VMODE_INTERLACED; |
| 192 | else if (mode->Flags & V_DBLSCAN) |
| 193 | var->vmode = FB_VMODE_DOUBLE; |
| 194 | else |
| 195 | var->vmode = FB_VMODE_NONINTERLACED; |
| 196 | } |
| 197 | |
| 198 | static Bool |
| 199 | fbdev_modes_equal(struct fb_var_screeninfo *set, struct fb_var_screeninfo *req) |
| 200 | { |
| 201 | return (set->xres_virtual >= req->xres_virtual && |
| 202 | set->yres_virtual >= req->yres_virtual && |
| 203 | set->bits_per_pixel == req->bits_per_pixel && |
| 204 | set->red.length == req->red.length && |
| 205 | set->green.length == req->green.length && |
| 206 | set->blue.length == req->blue.length && |
| 207 | set->xres == req->xres && set->yres == req->yres && |
| 208 | set->right_margin == req->right_margin && |
| 209 | set->hsync_len == req->hsync_len && |
| 210 | set->left_margin == req->left_margin && |
| 211 | set->lower_margin == req->lower_margin && |
| 212 | set->vsync_len == req->vsync_len && |
| 213 | set->upper_margin == req->upper_margin && |
| 214 | set->sync == req->sync && set->vmode == req->vmode); |
| 215 | } |
| 216 | |
| 217 | static void |
| 218 | fbdev2xfree_timing(struct fb_var_screeninfo *var, DisplayModePtr mode) |
| 219 | { |
| 220 | mode->Clock = var->pixclock ? 1000000000 / var->pixclock : 0; |
| 221 | mode->HDisplay = var->xres; |
| 222 | mode->HSyncStart = mode->HDisplay + var->right_margin; |
| 223 | mode->HSyncEnd = mode->HSyncStart + var->hsync_len; |
| 224 | mode->HTotal = mode->HSyncEnd + var->left_margin; |
| 225 | mode->VDisplay = var->yres; |
| 226 | mode->VSyncStart = mode->VDisplay + var->lower_margin; |
| 227 | mode->VSyncEnd = mode->VSyncStart + var->vsync_len; |
| 228 | mode->VTotal = mode->VSyncEnd + var->upper_margin; |
| 229 | mode->Flags = 0; |
| 230 | mode->Flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC; |
| 231 | mode->Flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC; |
| 232 | mode->Flags |= var->sync & FB_SYNC_COMP_HIGH_ACT ? V_PCSYNC : V_NCSYNC; |
| 233 | if (var->sync & FB_SYNC_BROADCAST) |
| 234 | mode->Flags |= V_BCAST; |
| 235 | if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) |
| 236 | mode->Flags |= V_INTERLACE; |
| 237 | else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) |
| 238 | mode->Flags |= V_DBLSCAN; |
| 239 | mode->SynthClock = mode->Clock; |
| 240 | mode->CrtcHDisplay = mode->HDisplay; |
| 241 | mode->CrtcHSyncStart = mode->HSyncStart; |
| 242 | mode->CrtcHSyncEnd = mode->HSyncEnd; |
| 243 | mode->CrtcHTotal = mode->HTotal; |
| 244 | mode->CrtcVDisplay = mode->VDisplay; |
| 245 | mode->CrtcVSyncStart = mode->VSyncStart; |
| 246 | mode->CrtcVSyncEnd = mode->VSyncEnd; |
| 247 | mode->CrtcVTotal = mode->VTotal; |
| 248 | mode->CrtcHAdjusted = FALSE; |
| 249 | mode->CrtcVAdjusted = FALSE; |
| 250 | } |
| 251 | |
| 252 | /* -------------------------------------------------------------------- */ |
| 253 | /* open correct framebuffer device */ |
| 254 | |
| 255 | /** |
| 256 | * Try to find the framebuffer device for a given PCI device |
| 257 | */ |
| 258 | static int |
| 259 | fbdev_open_pci(struct pci_device *pPci, char **namep) |
| 260 | { |
| 261 | struct fb_fix_screeninfo fix; |
| 262 | char filename[256]; |
| 263 | int fd, i; |
| 264 | |
| 265 | for (i = 0; i < 8; i++) { |
| 266 | snprintf(filename, sizeof(filename), |
| 267 | "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics/fb%d", |
| 268 | pPci->domain, pPci->bus, pPci->dev, pPci->func, i); |
| 269 | |
| 270 | fd = open(filename, O_RDONLY, 0); |
| 271 | if (fd < 0) { |
| 272 | snprintf(filename, sizeof(filename), |
| 273 | "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics:fb%d", |
| 274 | pPci->domain, pPci->bus, pPci->dev, pPci->func, i); |
| 275 | fd = open(filename, O_RDONLY, 0); |
| 276 | } |
| 277 | if (fd >= 0) { |
| 278 | close(fd); |
| 279 | snprintf(filename, sizeof(filename), "/dev/fb%d", i); |
| 280 | |
| 281 | fd = open(filename, O_RDWR, 0); |
| 282 | if (fd != -1) { |
| 283 | if (ioctl(fd, FBIOGET_FSCREENINFO, (void *) &fix) != -1) { |
| 284 | if (namep) { |
| 285 | *namep = xnfalloc(16); |
| 286 | strncpy(*namep, fix.id, 16); |
| 287 | } |
| 288 | |
| 289 | return fd; |
| 290 | } |
| 291 | close(fd); |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | if (namep) |
| 297 | *namep = NULL; |
| 298 | |
| 299 | xf86DrvMsg(-1, X_ERROR, "Unable to find a valid framebuffer device\n"); |
| 300 | return -1; |
| 301 | } |
| 302 | |
| 303 | static int |
| 304 | fbdev_open(int scrnIndex, char *dev, char **namep) |
| 305 | { |
| 306 | struct fb_fix_screeninfo fix; |
| 307 | int fd; |
| 308 | |
| 309 | /* try argument (from XF86Config) first */ |
| 310 | if (dev) { |
| 311 | fd = open(dev, O_RDWR, 0); |
| 312 | } |
| 313 | else { |
| 314 | /* second: environment variable */ |
| 315 | dev = getenv("FRAMEBUFFER"); |
| 316 | if ((NULL == dev) || ((fd = open(dev, O_RDWR, 0)) == -1)) { |
| 317 | /* last try: default device */ |
| 318 | dev = "/dev/fb0"; |
| 319 | fd = open(dev, O_RDWR, 0); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | if (fd == -1) { |
| 324 | xf86DrvMsg(scrnIndex, X_ERROR, "open %s: %s\n", dev, strerror(errno)); |
| 325 | return -1; |
| 326 | } |
| 327 | |
| 328 | if (namep) { |
| 329 | if (-1 == ioctl(fd, FBIOGET_FSCREENINFO, (void *) (&fix))) { |
| 330 | *namep = NULL; |
| 331 | xf86DrvMsg(scrnIndex, X_ERROR, |
| 332 | "FBIOGET_FSCREENINFO: %s\n", strerror(errno)); |
| 333 | return -1; |
| 334 | } |
| 335 | else { |
| 336 | *namep = xnfalloc(16); |
| 337 | strncpy(*namep, fix.id, 16); |
| 338 | } |
| 339 | } |
| 340 | return fd; |
| 341 | } |
| 342 | |
| 343 | /* -------------------------------------------------------------------- */ |
| 344 | |
| 345 | Bool |
| 346 | fbdevHWProbe(struct pci_device *pPci, char *device, char **namep) |
| 347 | { |
| 348 | int fd; |
| 349 | |
| 350 | if (pPci) |
| 351 | fd = fbdev_open_pci(pPci, namep); |
| 352 | else |
| 353 | fd = fbdev_open(-1, device, namep); |
| 354 | |
| 355 | if (-1 == fd) |
| 356 | return FALSE; |
| 357 | close(fd); |
| 358 | return TRUE; |
| 359 | } |
| 360 | |
| 361 | Bool |
| 362 | fbdevHWInit(ScrnInfoPtr pScrn, struct pci_device *pPci, char *device) |
| 363 | { |
| 364 | fbdevHWPtr fPtr; |
| 365 | |
| 366 | fbdevHWGetRec(pScrn); |
| 367 | fPtr = FBDEVHWPTR(pScrn); |
| 368 | |
| 369 | /* open device */ |
| 370 | if (pPci) |
| 371 | fPtr->fd = fbdev_open_pci(pPci, NULL); |
| 372 | else |
| 373 | fPtr->fd = fbdev_open(pScrn->scrnIndex, device, NULL); |
| 374 | if (-1 == fPtr->fd) { |
| 375 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 376 | "Failed to open framebuffer device, consult warnings" |
| 377 | " and/or errors above for possible reasons\n" |
| 378 | "\t(you may have to look at the server log to see" |
| 379 | " warnings)\n"); |
| 380 | return FALSE; |
| 381 | } |
| 382 | |
| 383 | /* get current fb device settings */ |
| 384 | if (-1 == ioctl(fPtr->fd, FBIOGET_FSCREENINFO, (void *) (&fPtr->fix))) { |
| 385 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 386 | "ioctl FBIOGET_FSCREENINFO: %s\n", strerror(errno)); |
| 387 | return FALSE; |
| 388 | } |
| 389 | if (-1 == ioctl(fPtr->fd, FBIOGET_VSCREENINFO, (void *) (&fPtr->var))) { |
| 390 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 391 | "ioctl FBIOGET_VSCREENINFO: %s\n", strerror(errno)); |
| 392 | return FALSE; |
| 393 | } |
| 394 | |
| 395 | /* we can use the current settings as "buildin mode" */ |
| 396 | fbdev2xfree_timing(&fPtr->var, &fPtr->buildin); |
| 397 | fPtr->buildin.name = "current"; |
| 398 | fPtr->buildin.next = &fPtr->buildin; |
| 399 | fPtr->buildin.prev = &fPtr->buildin; |
| 400 | fPtr->buildin.type |= M_T_BUILTIN; |
| 401 | |
| 402 | return TRUE; |
| 403 | } |
| 404 | |
| 405 | char * |
| 406 | fbdevHWGetName(ScrnInfoPtr pScrn) |
| 407 | { |
| 408 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 409 | |
| 410 | return fPtr->fix.id; |
| 411 | } |
| 412 | |
| 413 | int |
| 414 | fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp) |
| 415 | { |
| 416 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 417 | |
| 418 | if (fbbpp) |
| 419 | *fbbpp = fPtr->var.bits_per_pixel; |
| 420 | |
| 421 | if (fPtr->fix.visual == FB_VISUAL_TRUECOLOR || |
| 422 | fPtr->fix.visual == FB_VISUAL_DIRECTCOLOR) |
| 423 | return fPtr->var.red.length + fPtr->var.green.length + |
| 424 | fPtr->var.blue.length; |
| 425 | else |
| 426 | return fPtr->var.bits_per_pixel; |
| 427 | } |
| 428 | |
| 429 | int |
| 430 | fbdevHWGetLineLength(ScrnInfoPtr pScrn) |
| 431 | { |
| 432 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 433 | |
| 434 | if (fPtr->fix.line_length) |
| 435 | return fPtr->fix.line_length; |
| 436 | else |
| 437 | return fPtr->var.xres_virtual * fPtr->var.bits_per_pixel / 8; |
| 438 | } |
| 439 | |
| 440 | int |
| 441 | fbdevHWGetType(ScrnInfoPtr pScrn) |
| 442 | { |
| 443 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 444 | |
| 445 | return fPtr->fix.type; |
| 446 | } |
| 447 | |
| 448 | int |
| 449 | fbdevHWGetVidmem(ScrnInfoPtr pScrn) |
| 450 | { |
| 451 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 452 | |
| 453 | return fPtr->fix.smem_len; |
| 454 | } |
| 455 | |
| 456 | static Bool |
| 457 | fbdevHWSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool check) |
| 458 | { |
| 459 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 460 | struct fb_var_screeninfo req_var = fPtr->var, set_var; |
| 461 | |
| 462 | xfree2fbdev_fblayout(pScrn, &req_var); |
| 463 | xfree2fbdev_timing(mode, &req_var); |
| 464 | |
| 465 | #if DEBUG |
| 466 | print_xfree_mode("init", mode); |
| 467 | print_fbdev_mode("init", &req_var); |
| 468 | #endif |
| 469 | |
| 470 | set_var = req_var; |
| 471 | |
| 472 | if (check) |
| 473 | set_var.activate = FB_ACTIVATE_TEST; |
| 474 | |
| 475 | if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void *) (&set_var))) { |
| 476 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 477 | "FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); |
| 478 | return FALSE; |
| 479 | } |
| 480 | |
| 481 | if (!fbdev_modes_equal(&set_var, &req_var)) { |
| 482 | if (!check) |
| 483 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 484 | "FBIOPUT_VSCREENINFO succeeded but modified " "mode\n"); |
| 485 | #if DEBUG |
| 486 | print_fbdev_mode("returned", &set_var); |
| 487 | #endif |
| 488 | return FALSE; |
| 489 | } |
| 490 | |
| 491 | if (!check) |
| 492 | fPtr->var = set_var; |
| 493 | |
| 494 | return TRUE; |
| 495 | } |
| 496 | |
| 497 | void |
| 498 | fbdevHWSetVideoModes(ScrnInfoPtr pScrn) |
| 499 | { |
| 500 | char **modename; |
| 501 | DisplayModePtr mode, this, last = pScrn->modes; |
| 502 | |
| 503 | if (NULL == pScrn->display->modes) |
| 504 | return; |
| 505 | |
| 506 | pScrn->virtualX = pScrn->display->virtualX; |
| 507 | pScrn->virtualY = pScrn->display->virtualY; |
| 508 | |
| 509 | for (modename = pScrn->display->modes; *modename != NULL; modename++) { |
| 510 | for (mode = pScrn->monitor->Modes; mode != NULL; mode = mode->next) { |
| 511 | if (0 == strcmp(mode->name, *modename)) { |
| 512 | if (fbdevHWSetMode(pScrn, mode, TRUE)) |
| 513 | break; |
| 514 | |
| 515 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, |
| 516 | "\tmode \"%s\" test failed\n", *modename); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | if (NULL == mode) { |
| 521 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, |
| 522 | "\tmode \"%s\" not found\n", *modename); |
| 523 | continue; |
| 524 | } |
| 525 | |
| 526 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, "\tmode \"%s\" ok\n", *modename); |
| 527 | |
| 528 | if (pScrn->virtualX < mode->HDisplay) |
| 529 | pScrn->virtualX = mode->HDisplay; |
| 530 | if (pScrn->virtualY < mode->VDisplay) |
| 531 | pScrn->virtualY = mode->VDisplay; |
| 532 | |
| 533 | if (NULL == pScrn->modes) { |
| 534 | this = pScrn->modes = xf86DuplicateMode(mode); |
| 535 | this->next = this; |
| 536 | this->prev = this; |
| 537 | } |
| 538 | else { |
| 539 | this = xf86DuplicateMode(mode); |
| 540 | this->next = pScrn->modes; |
| 541 | this->prev = last; |
| 542 | last->next = this; |
| 543 | pScrn->modes->prev = this; |
| 544 | } |
| 545 | last = this; |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | DisplayModePtr |
| 550 | fbdevHWGetBuildinMode(ScrnInfoPtr pScrn) |
| 551 | { |
| 552 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 553 | |
| 554 | return &fPtr->buildin; |
| 555 | } |
| 556 | |
| 557 | void |
| 558 | fbdevHWUseBuildinMode(ScrnInfoPtr pScrn) |
| 559 | { |
| 560 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 561 | |
| 562 | pScrn->modes = &fPtr->buildin; |
| 563 | pScrn->virtualX = pScrn->display->virtualX; |
| 564 | pScrn->virtualY = pScrn->display->virtualY; |
| 565 | if (pScrn->virtualX < fPtr->buildin.HDisplay) |
| 566 | pScrn->virtualX = fPtr->buildin.HDisplay; |
| 567 | if (pScrn->virtualY < fPtr->buildin.VDisplay) |
| 568 | pScrn->virtualY = fPtr->buildin.VDisplay; |
| 569 | } |
| 570 | |
| 571 | /* -------------------------------------------------------------------- */ |
| 572 | |
| 573 | static void |
| 574 | calculateFbmem_len(fbdevHWPtr fPtr) |
| 575 | { |
| 576 | fPtr->fboff = (unsigned long) fPtr->fix.smem_start & ~PAGE_MASK; |
| 577 | fPtr->fbmem_len = (fPtr->fboff + fPtr->fix.smem_len + ~PAGE_MASK) & |
| 578 | PAGE_MASK; |
| 579 | } |
| 580 | |
| 581 | void * |
| 582 | fbdevHWMapVidmem(ScrnInfoPtr pScrn) |
| 583 | { |
| 584 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 585 | |
| 586 | if (NULL == fPtr->fbmem) { |
| 587 | calculateFbmem_len(fPtr); |
| 588 | fPtr->fbmem = mmap(NULL, fPtr->fbmem_len, PROT_READ | PROT_WRITE, |
| 589 | MAP_SHARED, fPtr->fd, 0); |
| 590 | if (-1 == (long) fPtr->fbmem) { |
| 591 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 592 | "mmap fbmem: %s\n", strerror(errno)); |
| 593 | fPtr->fbmem = NULL; |
| 594 | } |
| 595 | else { |
| 596 | /* Perhaps we'd better add fboff to fbmem and return 0 in |
| 597 | fbdevHWLinearOffset()? Of course we then need to mask |
| 598 | fPtr->fbmem with PAGE_MASK in fbdevHWUnmapVidmem() as |
| 599 | well. [geert] */ |
| 600 | } |
| 601 | } |
| 602 | pScrn->memPhysBase = |
| 603 | (unsigned long) fPtr->fix.smem_start & (unsigned long) (PAGE_MASK); |
| 604 | pScrn->fbOffset = |
| 605 | (unsigned long) fPtr->fix.smem_start & (unsigned long) (~PAGE_MASK); |
| 606 | return fPtr->fbmem; |
| 607 | } |
| 608 | |
| 609 | int |
| 610 | fbdevHWLinearOffset(ScrnInfoPtr pScrn) |
| 611 | { |
| 612 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 613 | |
| 614 | return fPtr->fboff; |
| 615 | } |
| 616 | |
| 617 | Bool |
| 618 | fbdevHWUnmapVidmem(ScrnInfoPtr pScrn) |
| 619 | { |
| 620 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 621 | |
| 622 | if (NULL != fPtr->fbmem) { |
| 623 | if (-1 == munmap(fPtr->fbmem, fPtr->fbmem_len)) |
| 624 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 625 | "munmap fbmem: %s\n", strerror(errno)); |
| 626 | fPtr->fbmem = NULL; |
| 627 | } |
| 628 | return TRUE; |
| 629 | } |
| 630 | |
| 631 | void * |
| 632 | fbdevHWMapMMIO(ScrnInfoPtr pScrn) |
| 633 | { |
| 634 | unsigned int mmio_off; |
| 635 | |
| 636 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 637 | |
| 638 | if (NULL == fPtr->mmio) { |
| 639 | /* tell the kernel not to use accels to speed up console scrolling */ |
| 640 | fPtr->var.accel_flags = 0; |
| 641 | if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void *) (&fPtr->var))) { |
| 642 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 643 | "FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); |
| 644 | return FALSE; |
| 645 | } |
| 646 | mmio_off = (unsigned long) fPtr->fix.mmio_start & ~PAGE_MASK; |
| 647 | fPtr->mmio_len = (mmio_off + fPtr->fix.mmio_len + ~PAGE_MASK) & |
| 648 | PAGE_MASK; |
| 649 | if (NULL == fPtr->fbmem) |
| 650 | calculateFbmem_len(fPtr); |
| 651 | fPtr->mmio = mmap(NULL, fPtr->mmio_len, PROT_READ | PROT_WRITE, |
| 652 | MAP_SHARED, fPtr->fd, fPtr->fbmem_len); |
| 653 | if (-1 == (long) fPtr->mmio) { |
| 654 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 655 | "mmap mmio: %s\n", strerror(errno)); |
| 656 | fPtr->mmio = NULL; |
| 657 | } |
| 658 | else |
| 659 | fPtr->mmio += mmio_off; |
| 660 | } |
| 661 | return fPtr->mmio; |
| 662 | } |
| 663 | |
| 664 | Bool |
| 665 | fbdevHWUnmapMMIO(ScrnInfoPtr pScrn) |
| 666 | { |
| 667 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 668 | |
| 669 | if (NULL != fPtr->mmio) { |
| 670 | if (-1 == |
| 671 | munmap((void *) ((unsigned long) fPtr->mmio & PAGE_MASK), |
| 672 | fPtr->mmio_len)) |
| 673 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "munmap mmio: %s\n", |
| 674 | strerror(errno)); |
| 675 | fPtr->mmio = NULL; |
| 676 | /* FIXME: restore var.accel_flags [geert] */ |
| 677 | } |
| 678 | return TRUE; |
| 679 | } |
| 680 | |
| 681 | /* -------------------------------------------------------------------- */ |
| 682 | |
| 683 | Bool |
| 684 | fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode) |
| 685 | { |
| 686 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 687 | |
| 688 | pScrn->vtSema = TRUE; |
| 689 | |
| 690 | /* set */ |
| 691 | if (!fbdevHWSetMode(pScrn, mode, FALSE)) |
| 692 | return FALSE; |
| 693 | |
| 694 | /* read back */ |
| 695 | if (0 != ioctl(fPtr->fd, FBIOGET_FSCREENINFO, (void *) (&fPtr->fix))) { |
| 696 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 697 | "FBIOGET_FSCREENINFO: %s\n", strerror(errno)); |
| 698 | return FALSE; |
| 699 | } |
| 700 | if (0 != ioctl(fPtr->fd, FBIOGET_VSCREENINFO, (void *) (&fPtr->var))) { |
| 701 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 702 | "FBIOGET_VSCREENINFO: %s\n", strerror(errno)); |
| 703 | return FALSE; |
| 704 | } |
| 705 | |
| 706 | if (pScrn->defaultVisual == TrueColor || |
| 707 | pScrn->defaultVisual == DirectColor) { |
| 708 | /* XXX: This is a hack, but it should be a NOP for all the setups that |
| 709 | * worked before and actually seems to fix some others... |
| 710 | */ |
| 711 | pScrn->offset.red = fPtr->var.red.offset; |
| 712 | pScrn->offset.green = fPtr->var.green.offset; |
| 713 | pScrn->offset.blue = fPtr->var.blue.offset; |
| 714 | pScrn->mask.red = |
| 715 | ((1 << fPtr->var.red.length) - 1) << fPtr->var.red.offset; |
| 716 | pScrn->mask.green = |
| 717 | ((1 << fPtr->var.green.length) - 1) << fPtr->var.green.offset; |
| 718 | pScrn->mask.blue = |
| 719 | ((1 << fPtr->var.blue.length) - 1) << fPtr->var.blue.offset; |
| 720 | } |
| 721 | |
| 722 | return TRUE; |
| 723 | } |
| 724 | |
| 725 | /* -------------------------------------------------------------------- */ |
| 726 | /* video mode save/restore */ |
| 727 | void |
| 728 | fbdevHWSave(ScrnInfoPtr pScrn) |
| 729 | { |
| 730 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 731 | |
| 732 | if (0 != ioctl(fPtr->fd, FBIOGET_VSCREENINFO, (void *) (&fPtr->saved_var))) |
| 733 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 734 | "FBIOGET_VSCREENINFO: %s\n", strerror(errno)); |
| 735 | } |
| 736 | |
| 737 | void |
| 738 | fbdevHWRestore(ScrnInfoPtr pScrn) |
| 739 | { |
| 740 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 741 | |
| 742 | if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void *) (&fPtr->saved_var))) |
| 743 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 744 | "FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); |
| 745 | } |
| 746 | |
| 747 | /* -------------------------------------------------------------------- */ |
| 748 | /* callback for xf86HandleColormaps */ |
| 749 | |
| 750 | void |
| 751 | fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, |
| 752 | LOCO * colors, VisualPtr pVisual) |
| 753 | { |
| 754 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 755 | struct fb_cmap cmap; |
| 756 | unsigned short red, green, blue; |
| 757 | int i; |
| 758 | |
| 759 | cmap.len = 1; |
| 760 | cmap.red = &red; |
| 761 | cmap.green = &green; |
| 762 | cmap.blue = &blue; |
| 763 | cmap.transp = NULL; |
| 764 | for (i = 0; i < numColors; i++) { |
| 765 | cmap.start = indices[i]; |
| 766 | red = (colors[indices[i]].red << 8) | colors[indices[i]].red; |
| 767 | green = (colors[indices[i]].green << 8) | colors[indices[i]].green; |
| 768 | blue = (colors[indices[i]].blue << 8) | colors[indices[i]].blue; |
| 769 | if (-1 == ioctl(fPtr->fd, FBIOPUTCMAP, (void *) &cmap)) |
| 770 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 771 | "FBIOPUTCMAP: %s\n", strerror(errno)); |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | /* -------------------------------------------------------------------- */ |
| 776 | /* these can be hooked directly into ScrnInfoRec */ |
| 777 | |
| 778 | ModeStatus |
| 779 | fbdevHWValidMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool verbose, int flags) |
| 780 | { |
| 781 | if (!fbdevHWSetMode(pScrn, mode, TRUE)) |
| 782 | return MODE_BAD; |
| 783 | |
| 784 | return MODE_OK; |
| 785 | } |
| 786 | |
| 787 | Bool |
| 788 | fbdevHWSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode) |
| 789 | { |
| 790 | if (!fbdevHWSetMode(pScrn, mode, FALSE)) |
| 791 | return FALSE; |
| 792 | |
| 793 | return TRUE; |
| 794 | } |
| 795 | |
| 796 | void |
| 797 | fbdevHWAdjustFrame(ScrnInfoPtr pScrn, int x, int y) |
| 798 | { |
| 799 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 800 | |
| 801 | if (x < 0 || x + fPtr->var.xres > fPtr->var.xres_virtual || |
| 802 | y < 0 || y + fPtr->var.yres > fPtr->var.yres_virtual) |
| 803 | return; |
| 804 | |
| 805 | fPtr->var.xoffset = x; |
| 806 | fPtr->var.yoffset = y; |
| 807 | if (-1 == ioctl(fPtr->fd, FBIOPAN_DISPLAY, (void *) &fPtr->var)) |
| 808 | xf86DrvMsgVerb(pScrn->scrnIndex, X_WARNING, 5, |
| 809 | "FBIOPAN_DISPLAY: %s\n", strerror(errno)); |
| 810 | } |
| 811 | |
| 812 | Bool |
| 813 | fbdevHWEnterVT(ScrnInfoPtr pScrn) |
| 814 | { |
| 815 | if (!fbdevHWModeInit(pScrn, pScrn->currentMode)) |
| 816 | return FALSE; |
| 817 | fbdevHWAdjustFrame(pScrn, pScrn->frameX0, pScrn->frameY0); |
| 818 | return TRUE; |
| 819 | } |
| 820 | |
| 821 | void |
| 822 | fbdevHWLeaveVT(ScrnInfoPtr pScrn) |
| 823 | { |
| 824 | fbdevHWRestore(pScrn); |
| 825 | } |
| 826 | |
| 827 | void |
| 828 | fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags) |
| 829 | { |
| 830 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 831 | unsigned long fbmode; |
| 832 | |
| 833 | if (!pScrn->vtSema) |
| 834 | return; |
| 835 | |
| 836 | switch (mode) { |
| 837 | case DPMSModeOn: |
| 838 | fbmode = 0; |
| 839 | break; |
| 840 | case DPMSModeStandby: |
| 841 | fbmode = 2; |
| 842 | break; |
| 843 | case DPMSModeSuspend: |
| 844 | fbmode = 3; |
| 845 | break; |
| 846 | case DPMSModeOff: |
| 847 | fbmode = 4; |
| 848 | break; |
| 849 | default: |
| 850 | return; |
| 851 | } |
| 852 | |
| 853 | if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *) fbmode)) |
| 854 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 855 | "FBIOBLANK: %s\n", strerror(errno)); |
| 856 | } |
| 857 | |
| 858 | Bool |
| 859 | fbdevHWSaveScreen(ScreenPtr pScreen, int mode) |
| 860 | { |
| 861 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 862 | fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); |
| 863 | unsigned long unblank; |
| 864 | |
| 865 | if (!pScrn->vtSema) |
| 866 | return TRUE; |
| 867 | |
| 868 | unblank = xf86IsUnblank(mode); |
| 869 | |
| 870 | if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *) (1 - unblank))) { |
| 871 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, |
| 872 | "FBIOBLANK: %s\n", strerror(errno)); |
| 873 | return FALSE; |
| 874 | } |
| 875 | |
| 876 | return TRUE; |
| 877 | } |
| 878 | |
| 879 | xf86SwitchModeProc * |
| 880 | fbdevHWSwitchModeWeak(void) |
| 881 | { |
| 882 | return fbdevHWSwitchMode; |
| 883 | } |
| 884 | |
| 885 | xf86AdjustFrameProc * |
| 886 | fbdevHWAdjustFrameWeak(void) |
| 887 | { |
| 888 | return fbdevHWAdjustFrame; |
| 889 | } |
| 890 | |
| 891 | xf86EnterVTProc * |
| 892 | fbdevHWEnterVTWeak(void) |
| 893 | { |
| 894 | return fbdevHWEnterVT; |
| 895 | } |
| 896 | |
| 897 | xf86LeaveVTProc * |
| 898 | fbdevHWLeaveVTWeak(void) |
| 899 | { |
| 900 | return fbdevHWLeaveVT; |
| 901 | } |
| 902 | |
| 903 | xf86ValidModeProc * |
| 904 | fbdevHWValidModeWeak(void) |
| 905 | { |
| 906 | return fbdevHWValidMode; |
| 907 | } |
| 908 | |
| 909 | xf86DPMSSetProc * |
| 910 | fbdevHWDPMSSetWeak(void) |
| 911 | { |
| 912 | return fbdevHWDPMSSet; |
| 913 | } |
| 914 | |
| 915 | xf86LoadPaletteProc * |
| 916 | fbdevHWLoadPaletteWeak(void) |
| 917 | { |
| 918 | return fbdevHWLoadPalette; |
| 919 | } |
| 920 | |
| 921 | SaveScreenProcPtr |
| 922 | fbdevHWSaveScreenWeak(void) |
| 923 | { |
| 924 | return fbdevHWSaveScreen; |
| 925 | } |