| 1 | /* |
| 2 | * Copyright © 2006 Keith Packard |
| 3 | * Copyright © 2008 Red Hat, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | * documentation for any purpose is hereby granted without fee, provided that |
| 7 | * the above copyright notice appear in all copies and that both that copyright |
| 8 | * notice and this permission notice appear in supporting documentation, and |
| 9 | * that the name of the copyright holders not be used in advertising or |
| 10 | * publicity pertaining to distribution of the software without specific, |
| 11 | * written prior permission. The copyright holders make no representations |
| 12 | * about the suitability of this software for any purpose. It is provided "as |
| 13 | * is" without express or implied warranty. |
| 14 | * |
| 15 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 17 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 21 | * OF THIS SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #ifdef HAVE_XORG_CONFIG_H |
| 25 | #include <xorg-config.h> |
| 26 | #else |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | #include <config.h> |
| 29 | #endif |
| 30 | #endif |
| 31 | |
| 32 | #include <stddef.h> |
| 33 | #include <string.h> |
| 34 | #include <stdio.h> |
| 35 | |
| 36 | #include "xf86.h" |
| 37 | #include "xf86DDC.h" |
| 38 | #include "xf86Crtc.h" |
| 39 | #include "xf86Modes.h" |
| 40 | #include "xf86Priv.h" |
| 41 | #include "xf86RandR12.h" |
| 42 | #include "X11/extensions/render.h" |
| 43 | #include "X11/extensions/dpmsconst.h" |
| 44 | #include "X11/Xatom.h" |
| 45 | #include "picturestr.h" |
| 46 | |
| 47 | #ifdef XV |
| 48 | #include "xf86xv.h" |
| 49 | #endif |
| 50 | |
| 51 | #define NO_OUTPUT_DEFAULT_WIDTH 1024 |
| 52 | #define NO_OUTPUT_DEFAULT_HEIGHT 768 |
| 53 | /* |
| 54 | * Initialize xf86CrtcConfig structure |
| 55 | */ |
| 56 | |
| 57 | int xf86CrtcConfigPrivateIndex = -1; |
| 58 | |
| 59 | void |
| 60 | xf86CrtcConfigInit(ScrnInfoPtr scrn, const xf86CrtcConfigFuncsRec * funcs) |
| 61 | { |
| 62 | xf86CrtcConfigPtr config; |
| 63 | |
| 64 | if (xf86CrtcConfigPrivateIndex == -1) |
| 65 | xf86CrtcConfigPrivateIndex = xf86AllocateScrnInfoPrivateIndex(); |
| 66 | config = xnfcalloc(1, sizeof(xf86CrtcConfigRec)); |
| 67 | |
| 68 | config->funcs = funcs; |
| 69 | config->compat_output = -1; |
| 70 | |
| 71 | scrn->privates[xf86CrtcConfigPrivateIndex].ptr = config; |
| 72 | } |
| 73 | |
| 74 | void |
| 75 | xf86CrtcSetSizeRange(ScrnInfoPtr scrn, |
| 76 | int minWidth, int minHeight, int maxWidth, int maxHeight) |
| 77 | { |
| 78 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 79 | |
| 80 | config->minWidth = minWidth; |
| 81 | config->minHeight = minHeight; |
| 82 | config->maxWidth = maxWidth; |
| 83 | config->maxHeight = maxHeight; |
| 84 | } |
| 85 | |
| 86 | /* |
| 87 | * Crtc functions |
| 88 | */ |
| 89 | xf86CrtcPtr |
| 90 | xf86CrtcCreate(ScrnInfoPtr scrn, const xf86CrtcFuncsRec * funcs) |
| 91 | { |
| 92 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 93 | xf86CrtcPtr crtc, *crtcs; |
| 94 | |
| 95 | crtc = calloc(sizeof(xf86CrtcRec), 1); |
| 96 | if (!crtc) |
| 97 | return NULL; |
| 98 | crtc->version = XF86_CRTC_VERSION; |
| 99 | crtc->scrn = scrn; |
| 100 | crtc->funcs = funcs; |
| 101 | #ifdef RANDR_12_INTERFACE |
| 102 | crtc->randr_crtc = NULL; |
| 103 | #endif |
| 104 | crtc->rotation = RR_Rotate_0; |
| 105 | crtc->desiredRotation = RR_Rotate_0; |
| 106 | pixman_transform_init_identity(&crtc->crtc_to_framebuffer); |
| 107 | pixman_f_transform_init_identity(&crtc->f_crtc_to_framebuffer); |
| 108 | pixman_f_transform_init_identity(&crtc->f_framebuffer_to_crtc); |
| 109 | crtc->filter = NULL; |
| 110 | crtc->params = NULL; |
| 111 | crtc->nparams = 0; |
| 112 | crtc->filter_width = 0; |
| 113 | crtc->filter_height = 0; |
| 114 | crtc->transform_in_use = FALSE; |
| 115 | crtc->transformPresent = FALSE; |
| 116 | crtc->desiredTransformPresent = FALSE; |
| 117 | memset(&crtc->bounds, '\0', sizeof(crtc->bounds)); |
| 118 | |
| 119 | /* Preallocate gamma at a sensible size. */ |
| 120 | crtc->gamma_size = 256; |
| 121 | crtc->gamma_red = malloc(3 * crtc->gamma_size * sizeof(CARD16)); |
| 122 | if (!crtc->gamma_red) { |
| 123 | free(crtc); |
| 124 | return NULL; |
| 125 | } |
| 126 | crtc->gamma_green = crtc->gamma_red + crtc->gamma_size; |
| 127 | crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size; |
| 128 | |
| 129 | if (xf86_config->crtc) |
| 130 | crtcs = realloc(xf86_config->crtc, |
| 131 | (xf86_config->num_crtc + 1) * sizeof(xf86CrtcPtr)); |
| 132 | else |
| 133 | crtcs = malloc((xf86_config->num_crtc + 1) * sizeof(xf86CrtcPtr)); |
| 134 | if (!crtcs) { |
| 135 | free(crtc->gamma_red); |
| 136 | free(crtc); |
| 137 | return NULL; |
| 138 | } |
| 139 | xf86_config->crtc = crtcs; |
| 140 | xf86_config->crtc[xf86_config->num_crtc++] = crtc; |
| 141 | return crtc; |
| 142 | } |
| 143 | |
| 144 | void |
| 145 | xf86CrtcDestroy(xf86CrtcPtr crtc) |
| 146 | { |
| 147 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn); |
| 148 | int c; |
| 149 | |
| 150 | (*crtc->funcs->destroy) (crtc); |
| 151 | for (c = 0; c < xf86_config->num_crtc; c++) |
| 152 | if (xf86_config->crtc[c] == crtc) { |
| 153 | memmove(&xf86_config->crtc[c], |
| 154 | &xf86_config->crtc[c + 1], |
| 155 | ((xf86_config->num_crtc - (c + 1)) * sizeof(void *))); |
| 156 | xf86_config->num_crtc--; |
| 157 | break; |
| 158 | } |
| 159 | free(crtc->params); |
| 160 | free(crtc->gamma_red); |
| 161 | free(crtc); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Return whether any outputs are connected to the specified pipe |
| 166 | */ |
| 167 | |
| 168 | Bool |
| 169 | xf86CrtcInUse(xf86CrtcPtr crtc) |
| 170 | { |
| 171 | ScrnInfoPtr pScrn = crtc->scrn; |
| 172 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 173 | int o; |
| 174 | |
| 175 | for (o = 0; o < xf86_config->num_output; o++) |
| 176 | if (xf86_config->output[o]->crtc == crtc) |
| 177 | return TRUE; |
| 178 | return FALSE; |
| 179 | } |
| 180 | |
| 181 | void |
| 182 | xf86CrtcSetScreenSubpixelOrder(ScreenPtr pScreen) |
| 183 | { |
| 184 | int subpixel_order = SubPixelUnknown; |
| 185 | Bool has_none = FALSE; |
| 186 | ScrnInfoPtr scrn = xf86ScreenToScrn(pScreen); |
| 187 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 188 | int c, o; |
| 189 | |
| 190 | for (c = 0; c < xf86_config->num_crtc; c++) { |
| 191 | xf86CrtcPtr crtc = xf86_config->crtc[c]; |
| 192 | |
| 193 | for (o = 0; o < xf86_config->num_output; o++) { |
| 194 | xf86OutputPtr output = xf86_config->output[o]; |
| 195 | |
| 196 | if (output->crtc == crtc) { |
| 197 | switch (output->subpixel_order) { |
| 198 | case SubPixelNone: |
| 199 | has_none = TRUE; |
| 200 | break; |
| 201 | case SubPixelUnknown: |
| 202 | break; |
| 203 | default: |
| 204 | subpixel_order = output->subpixel_order; |
| 205 | break; |
| 206 | } |
| 207 | } |
| 208 | if (subpixel_order != SubPixelUnknown) |
| 209 | break; |
| 210 | } |
| 211 | if (subpixel_order != SubPixelUnknown) { |
| 212 | static const int circle[4] = { |
| 213 | SubPixelHorizontalRGB, |
| 214 | SubPixelVerticalRGB, |
| 215 | SubPixelHorizontalBGR, |
| 216 | SubPixelVerticalBGR, |
| 217 | }; |
| 218 | int rotate; |
| 219 | int c; |
| 220 | |
| 221 | for (rotate = 0; rotate < 4; rotate++) |
| 222 | if (crtc->rotation & (1 << rotate)) |
| 223 | break; |
| 224 | for (c = 0; c < 4; c++) |
| 225 | if (circle[c] == subpixel_order) |
| 226 | break; |
| 227 | c = (c + rotate) & 0x3; |
| 228 | if ((crtc->rotation & RR_Reflect_X) && !(c & 1)) |
| 229 | c ^= 2; |
| 230 | if ((crtc->rotation & RR_Reflect_Y) && (c & 1)) |
| 231 | c ^= 2; |
| 232 | subpixel_order = circle[c]; |
| 233 | break; |
| 234 | } |
| 235 | } |
| 236 | if (subpixel_order == SubPixelUnknown && has_none) |
| 237 | subpixel_order = SubPixelNone; |
| 238 | PictureSetSubpixelOrder(pScreen, subpixel_order); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Sets the given video mode on the given crtc |
| 243 | */ |
| 244 | Bool |
| 245 | xf86CrtcSetModeTransform(xf86CrtcPtr crtc, DisplayModePtr mode, |
| 246 | Rotation rotation, RRTransformPtr transform, int x, |
| 247 | int y) |
| 248 | { |
| 249 | ScrnInfoPtr scrn = crtc->scrn; |
| 250 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 251 | int i; |
| 252 | Bool ret = FALSE; |
| 253 | Bool didLock = FALSE; |
| 254 | DisplayModePtr adjusted_mode; |
| 255 | DisplayModeRec saved_mode; |
| 256 | int saved_x, saved_y; |
| 257 | Rotation saved_rotation; |
| 258 | RRTransformRec saved_transform; |
| 259 | Bool saved_transform_present; |
| 260 | |
| 261 | crtc->enabled = xf86CrtcInUse(crtc); |
| 262 | |
| 263 | /* We only hit this if someone explicitly sends a "disabled" modeset. */ |
| 264 | if (!crtc->enabled) { |
| 265 | /* Check everything for stuff that should be off. */ |
| 266 | xf86DisableUnusedFunctions(scrn); |
| 267 | return TRUE; |
| 268 | } |
| 269 | |
| 270 | adjusted_mode = xf86DuplicateMode(mode); |
| 271 | |
| 272 | saved_mode = crtc->mode; |
| 273 | saved_x = crtc->x; |
| 274 | saved_y = crtc->y; |
| 275 | saved_rotation = crtc->rotation; |
| 276 | if (crtc->transformPresent) { |
| 277 | RRTransformInit(&saved_transform); |
| 278 | RRTransformCopy(&saved_transform, &crtc->transform); |
| 279 | } |
| 280 | saved_transform_present = crtc->transformPresent; |
| 281 | |
| 282 | /* Update crtc values up front so the driver can rely on them for mode |
| 283 | * setting. |
| 284 | */ |
| 285 | crtc->mode = *mode; |
| 286 | crtc->x = x; |
| 287 | crtc->y = y; |
| 288 | crtc->rotation = rotation; |
| 289 | if (transform) { |
| 290 | RRTransformCopy(&crtc->transform, transform); |
| 291 | crtc->transformPresent = TRUE; |
| 292 | } |
| 293 | else |
| 294 | crtc->transformPresent = FALSE; |
| 295 | |
| 296 | if (crtc->funcs->set_mode_major) { |
| 297 | ret = crtc->funcs->set_mode_major(crtc, mode, rotation, x, y); |
| 298 | goto done; |
| 299 | } |
| 300 | |
| 301 | didLock = crtc->funcs->lock(crtc); |
| 302 | /* Pass our mode to the outputs and the CRTC to give them a chance to |
| 303 | * adjust it according to limitations or output properties, and also |
| 304 | * a chance to reject the mode entirely. |
| 305 | */ |
| 306 | for (i = 0; i < xf86_config->num_output; i++) { |
| 307 | xf86OutputPtr output = xf86_config->output[i]; |
| 308 | |
| 309 | if (output->crtc != crtc) |
| 310 | continue; |
| 311 | |
| 312 | if (!output->funcs->mode_fixup(output, mode, adjusted_mode)) { |
| 313 | goto done; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | if (!crtc->funcs->mode_fixup(crtc, mode, adjusted_mode)) { |
| 318 | goto done; |
| 319 | } |
| 320 | |
| 321 | if (!xf86CrtcRotate(crtc)) |
| 322 | goto done; |
| 323 | |
| 324 | /* Prepare the outputs and CRTCs before setting the mode. */ |
| 325 | for (i = 0; i < xf86_config->num_output; i++) { |
| 326 | xf86OutputPtr output = xf86_config->output[i]; |
| 327 | |
| 328 | if (output->crtc != crtc) |
| 329 | continue; |
| 330 | |
| 331 | /* Disable the output as the first thing we do. */ |
| 332 | output->funcs->prepare(output); |
| 333 | } |
| 334 | |
| 335 | crtc->funcs->prepare(crtc); |
| 336 | |
| 337 | /* Set up the DPLL and any output state that needs to adjust or depend |
| 338 | * on the DPLL. |
| 339 | */ |
| 340 | crtc->funcs->mode_set(crtc, mode, adjusted_mode, crtc->x, crtc->y); |
| 341 | for (i = 0; i < xf86_config->num_output; i++) { |
| 342 | xf86OutputPtr output = xf86_config->output[i]; |
| 343 | |
| 344 | if (output->crtc == crtc) |
| 345 | output->funcs->mode_set(output, mode, adjusted_mode); |
| 346 | } |
| 347 | |
| 348 | /* Only upload when needed, to avoid unneeded delays. */ |
| 349 | if (!crtc->active && crtc->funcs->gamma_set) |
| 350 | crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green, |
| 351 | crtc->gamma_blue, crtc->gamma_size); |
| 352 | |
| 353 | /* Now, enable the clocks, plane, pipe, and outputs that we set up. */ |
| 354 | crtc->funcs->commit(crtc); |
| 355 | for (i = 0; i < xf86_config->num_output; i++) { |
| 356 | xf86OutputPtr output = xf86_config->output[i]; |
| 357 | |
| 358 | if (output->crtc == crtc) |
| 359 | output->funcs->commit(output); |
| 360 | } |
| 361 | |
| 362 | ret = TRUE; |
| 363 | |
| 364 | done: |
| 365 | if (ret) { |
| 366 | crtc->active = TRUE; |
| 367 | if (scrn->pScreen) |
| 368 | xf86CrtcSetScreenSubpixelOrder(scrn->pScreen); |
| 369 | if (scrn->ModeSet) |
| 370 | scrn->ModeSet(scrn); |
| 371 | } |
| 372 | else { |
| 373 | crtc->x = saved_x; |
| 374 | crtc->y = saved_y; |
| 375 | crtc->rotation = saved_rotation; |
| 376 | crtc->mode = saved_mode; |
| 377 | if (saved_transform_present) |
| 378 | RRTransformCopy(&crtc->transform, &saved_transform); |
| 379 | crtc->transformPresent = saved_transform_present; |
| 380 | } |
| 381 | |
| 382 | free(adjusted_mode->name); |
| 383 | free(adjusted_mode); |
| 384 | |
| 385 | if (didLock) |
| 386 | crtc->funcs->unlock(crtc); |
| 387 | |
| 388 | return ret; |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Sets the given video mode on the given crtc, but without providing |
| 393 | * a transform |
| 394 | */ |
| 395 | Bool |
| 396 | xf86CrtcSetMode(xf86CrtcPtr crtc, DisplayModePtr mode, Rotation rotation, |
| 397 | int x, int y) |
| 398 | { |
| 399 | return xf86CrtcSetModeTransform(crtc, mode, rotation, NULL, x, y); |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * Pans the screen, does not change the mode |
| 404 | */ |
| 405 | void |
| 406 | xf86CrtcSetOrigin(xf86CrtcPtr crtc, int x, int y) |
| 407 | { |
| 408 | ScrnInfoPtr scrn = crtc->scrn; |
| 409 | |
| 410 | crtc->x = x; |
| 411 | crtc->y = y; |
| 412 | if (crtc->funcs->set_origin) { |
| 413 | if (!xf86CrtcRotate(crtc)) |
| 414 | return; |
| 415 | crtc->funcs->set_origin(crtc, x, y); |
| 416 | if (scrn->ModeSet) |
| 417 | scrn->ModeSet(scrn); |
| 418 | } |
| 419 | else |
| 420 | xf86CrtcSetMode(crtc, &crtc->mode, crtc->rotation, x, y); |
| 421 | } |
| 422 | |
| 423 | /* |
| 424 | * Output functions |
| 425 | */ |
| 426 | |
| 427 | extern XF86ConfigPtr xf86configptr; |
| 428 | |
| 429 | typedef enum { |
| 430 | OPTION_PREFERRED_MODE, |
| 431 | OPTION_ZOOM_MODES, |
| 432 | OPTION_POSITION, |
| 433 | OPTION_BELOW, |
| 434 | OPTION_RIGHT_OF, |
| 435 | OPTION_ABOVE, |
| 436 | OPTION_LEFT_OF, |
| 437 | OPTION_ENABLE, |
| 438 | OPTION_DISABLE, |
| 439 | OPTION_MIN_CLOCK, |
| 440 | OPTION_MAX_CLOCK, |
| 441 | OPTION_IGNORE, |
| 442 | OPTION_ROTATE, |
| 443 | OPTION_PANNING, |
| 444 | OPTION_PRIMARY, |
| 445 | OPTION_DEFAULT_MODES, |
| 446 | } OutputOpts; |
| 447 | |
| 448 | static OptionInfoRec xf86OutputOptions[] = { |
| 449 | {OPTION_PREFERRED_MODE, "PreferredMode", OPTV_STRING, {0}, FALSE}, |
| 450 | {OPTION_ZOOM_MODES, "ZoomModes", OPTV_STRING, {0}, FALSE }, |
| 451 | {OPTION_POSITION, "Position", OPTV_STRING, {0}, FALSE}, |
| 452 | {OPTION_BELOW, "Below", OPTV_STRING, {0}, FALSE}, |
| 453 | {OPTION_RIGHT_OF, "RightOf", OPTV_STRING, {0}, FALSE}, |
| 454 | {OPTION_ABOVE, "Above", OPTV_STRING, {0}, FALSE}, |
| 455 | {OPTION_LEFT_OF, "LeftOf", OPTV_STRING, {0}, FALSE}, |
| 456 | {OPTION_ENABLE, "Enable", OPTV_BOOLEAN, {0}, FALSE}, |
| 457 | {OPTION_DISABLE, "Disable", OPTV_BOOLEAN, {0}, FALSE}, |
| 458 | {OPTION_MIN_CLOCK, "MinClock", OPTV_FREQ, {0}, FALSE}, |
| 459 | {OPTION_MAX_CLOCK, "MaxClock", OPTV_FREQ, {0}, FALSE}, |
| 460 | {OPTION_IGNORE, "Ignore", OPTV_BOOLEAN, {0}, FALSE}, |
| 461 | {OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE}, |
| 462 | {OPTION_PANNING, "Panning", OPTV_STRING, {0}, FALSE}, |
| 463 | {OPTION_PRIMARY, "Primary", OPTV_BOOLEAN, {0}, FALSE}, |
| 464 | {OPTION_DEFAULT_MODES, "DefaultModes", OPTV_BOOLEAN, {0}, FALSE}, |
| 465 | {-1, NULL, OPTV_NONE, {0}, FALSE}, |
| 466 | }; |
| 467 | |
| 468 | enum { |
| 469 | OPTION_MODEDEBUG, |
| 470 | }; |
| 471 | |
| 472 | static OptionInfoRec xf86DeviceOptions[] = { |
| 473 | {OPTION_MODEDEBUG, "ModeDebug", OPTV_BOOLEAN, {0}, FALSE}, |
| 474 | {-1, NULL, OPTV_NONE, {0}, FALSE}, |
| 475 | }; |
| 476 | |
| 477 | static void |
| 478 | xf86OutputSetMonitor(xf86OutputPtr output) |
| 479 | { |
| 480 | char *option_name; |
| 481 | const char *monitor; |
| 482 | |
| 483 | if (!output->name) |
| 484 | return; |
| 485 | |
| 486 | free(output->options); |
| 487 | |
| 488 | output->options = xnfalloc(sizeof(xf86OutputOptions)); |
| 489 | memcpy(output->options, xf86OutputOptions, sizeof(xf86OutputOptions)); |
| 490 | |
| 491 | XNFasprintf(&option_name, "monitor-%s", output->name); |
| 492 | monitor = xf86findOptionValue(output->scrn->options, option_name); |
| 493 | if (!monitor) |
| 494 | monitor = output->name; |
| 495 | else |
| 496 | xf86MarkOptionUsedByName(output->scrn->options, option_name); |
| 497 | free(option_name); |
| 498 | output->conf_monitor = xf86findMonitor(monitor, |
| 499 | xf86configptr->conf_monitor_lst); |
| 500 | /* |
| 501 | * Find the monitor section of the screen and use that |
| 502 | */ |
| 503 | if (!output->conf_monitor && output->use_screen_monitor) |
| 504 | output->conf_monitor = xf86findMonitor(output->scrn->monitor->id, |
| 505 | xf86configptr->conf_monitor_lst); |
| 506 | if (output->conf_monitor) { |
| 507 | xf86DrvMsg(output->scrn->scrnIndex, X_INFO, |
| 508 | "Output %s using monitor section %s\n", |
| 509 | output->name, output->conf_monitor->mon_identifier); |
| 510 | xf86ProcessOptions(output->scrn->scrnIndex, |
| 511 | output->conf_monitor->mon_option_lst, |
| 512 | output->options); |
| 513 | } |
| 514 | else |
| 515 | xf86DrvMsg(output->scrn->scrnIndex, X_INFO, |
| 516 | "Output %s has no monitor section\n", output->name); |
| 517 | } |
| 518 | |
| 519 | static Bool |
| 520 | xf86OutputEnabled(xf86OutputPtr output, Bool strict) |
| 521 | { |
| 522 | Bool enable, disable; |
| 523 | |
| 524 | /* check to see if this output was enabled in the config file */ |
| 525 | if (xf86GetOptValBool(output->options, OPTION_ENABLE, &enable) && enable) { |
| 526 | xf86DrvMsg(output->scrn->scrnIndex, X_INFO, |
| 527 | "Output %s enabled by config file\n", output->name); |
| 528 | return TRUE; |
| 529 | } |
| 530 | /* or if this output was disabled in the config file */ |
| 531 | if (xf86GetOptValBool(output->options, OPTION_DISABLE, &disable) && disable) { |
| 532 | xf86DrvMsg(output->scrn->scrnIndex, X_INFO, |
| 533 | "Output %s disabled by config file\n", output->name); |
| 534 | return FALSE; |
| 535 | } |
| 536 | |
| 537 | /* If not, try to only light up the ones we know are connected */ |
| 538 | if (strict) { |
| 539 | enable = output->status == XF86OutputStatusConnected; |
| 540 | } |
| 541 | /* But if that fails, try to light up even outputs we're unsure of */ |
| 542 | else { |
| 543 | enable = output->status != XF86OutputStatusDisconnected; |
| 544 | } |
| 545 | |
| 546 | xf86DrvMsg(output->scrn->scrnIndex, X_INFO, |
| 547 | "Output %s %sconnected\n", output->name, enable ? "" : "dis"); |
| 548 | return enable; |
| 549 | } |
| 550 | |
| 551 | static Bool |
| 552 | xf86OutputIgnored(xf86OutputPtr output) |
| 553 | { |
| 554 | return xf86ReturnOptValBool(output->options, OPTION_IGNORE, FALSE); |
| 555 | } |
| 556 | |
| 557 | static const char *direction[4] = { |
| 558 | "normal", |
| 559 | "left", |
| 560 | "inverted", |
| 561 | "right" |
| 562 | }; |
| 563 | |
| 564 | static Rotation |
| 565 | xf86OutputInitialRotation(xf86OutputPtr output) |
| 566 | { |
| 567 | char *rotate_name = xf86GetOptValString(output->options, |
| 568 | OPTION_ROTATE); |
| 569 | int i; |
| 570 | |
| 571 | if (!rotate_name) { |
| 572 | if (output->initial_rotation) |
| 573 | return output->initial_rotation; |
| 574 | return RR_Rotate_0; |
| 575 | } |
| 576 | |
| 577 | for (i = 0; i < 4; i++) |
| 578 | if (xf86nameCompare(direction[i], rotate_name) == 0) |
| 579 | return 1 << i; |
| 580 | return RR_Rotate_0; |
| 581 | } |
| 582 | |
| 583 | xf86OutputPtr |
| 584 | xf86OutputCreate(ScrnInfoPtr scrn, |
| 585 | const xf86OutputFuncsRec * funcs, const char *name) |
| 586 | { |
| 587 | xf86OutputPtr output, *outputs; |
| 588 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 589 | int len; |
| 590 | Bool primary; |
| 591 | |
| 592 | if (name) |
| 593 | len = strlen(name) + 1; |
| 594 | else |
| 595 | len = 0; |
| 596 | |
| 597 | output = calloc(sizeof(xf86OutputRec) + len, 1); |
| 598 | if (!output) |
| 599 | return NULL; |
| 600 | output->scrn = scrn; |
| 601 | output->funcs = funcs; |
| 602 | if (name) { |
| 603 | output->name = (char *) (output + 1); |
| 604 | strcpy(output->name, name); |
| 605 | } |
| 606 | output->subpixel_order = SubPixelUnknown; |
| 607 | /* |
| 608 | * Use the old per-screen monitor section for the first output |
| 609 | */ |
| 610 | output->use_screen_monitor = (xf86_config->num_output == 0); |
| 611 | #ifdef RANDR_12_INTERFACE |
| 612 | output->randr_output = NULL; |
| 613 | #endif |
| 614 | if (name) { |
| 615 | xf86OutputSetMonitor(output); |
| 616 | if (xf86OutputIgnored(output)) { |
| 617 | free(output); |
| 618 | return FALSE; |
| 619 | } |
| 620 | } |
| 621 | |
| 622 | if (xf86_config->output) |
| 623 | outputs = realloc(xf86_config->output, |
| 624 | (xf86_config->num_output + |
| 625 | 1) * sizeof(xf86OutputPtr)); |
| 626 | else |
| 627 | outputs = malloc((xf86_config->num_output + 1) * sizeof(xf86OutputPtr)); |
| 628 | if (!outputs) { |
| 629 | free(output); |
| 630 | return NULL; |
| 631 | } |
| 632 | |
| 633 | xf86_config->output = outputs; |
| 634 | |
| 635 | if (xf86GetOptValBool(output->options, OPTION_PRIMARY, &primary) && primary) { |
| 636 | memmove(xf86_config->output + 1, xf86_config->output, |
| 637 | xf86_config->num_output * sizeof(xf86OutputPtr)); |
| 638 | xf86_config->output[0] = output; |
| 639 | } |
| 640 | else { |
| 641 | xf86_config->output[xf86_config->num_output] = output; |
| 642 | } |
| 643 | |
| 644 | xf86_config->num_output++; |
| 645 | |
| 646 | return output; |
| 647 | } |
| 648 | |
| 649 | Bool |
| 650 | xf86OutputRename(xf86OutputPtr output, const char *name) |
| 651 | { |
| 652 | char *newname = strdup(name); |
| 653 | |
| 654 | if (!newname) |
| 655 | return FALSE; /* so sorry... */ |
| 656 | |
| 657 | if (output->name && output->name != (char *) (output + 1)) |
| 658 | free(output->name); |
| 659 | output->name = newname; |
| 660 | xf86OutputSetMonitor(output); |
| 661 | if (xf86OutputIgnored(output)) |
| 662 | return FALSE; |
| 663 | return TRUE; |
| 664 | } |
| 665 | |
| 666 | void |
| 667 | xf86OutputUseScreenMonitor(xf86OutputPtr output, Bool use_screen_monitor) |
| 668 | { |
| 669 | if (use_screen_monitor != output->use_screen_monitor) { |
| 670 | output->use_screen_monitor = use_screen_monitor; |
| 671 | xf86OutputSetMonitor(output); |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | void |
| 676 | xf86OutputDestroy(xf86OutputPtr output) |
| 677 | { |
| 678 | ScrnInfoPtr scrn = output->scrn; |
| 679 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 680 | int o; |
| 681 | |
| 682 | (*output->funcs->destroy) (output); |
| 683 | while (output->probed_modes) |
| 684 | xf86DeleteMode(&output->probed_modes, output->probed_modes); |
| 685 | for (o = 0; o < xf86_config->num_output; o++) |
| 686 | if (xf86_config->output[o] == output) { |
| 687 | memmove(&xf86_config->output[o], |
| 688 | &xf86_config->output[o + 1], |
| 689 | ((xf86_config->num_output - (o + 1)) * sizeof(void *))); |
| 690 | xf86_config->num_output--; |
| 691 | break; |
| 692 | } |
| 693 | if (output->name && output->name != (char *) (output + 1)) |
| 694 | free(output->name); |
| 695 | free(output); |
| 696 | } |
| 697 | |
| 698 | /* |
| 699 | * Called during CreateScreenResources to hook up RandR |
| 700 | */ |
| 701 | static Bool |
| 702 | xf86CrtcCreateScreenResources(ScreenPtr screen) |
| 703 | { |
| 704 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 705 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 706 | |
| 707 | screen->CreateScreenResources = config->CreateScreenResources; |
| 708 | |
| 709 | if (!(*screen->CreateScreenResources) (screen)) |
| 710 | return FALSE; |
| 711 | |
| 712 | if (!xf86RandR12CreateScreenResources(screen)) |
| 713 | return FALSE; |
| 714 | |
| 715 | return TRUE; |
| 716 | } |
| 717 | |
| 718 | /* |
| 719 | * Clean up config on server reset |
| 720 | */ |
| 721 | static Bool |
| 722 | xf86CrtcCloseScreen(ScreenPtr screen) |
| 723 | { |
| 724 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 725 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 726 | int o, c; |
| 727 | |
| 728 | screen->CloseScreen = config->CloseScreen; |
| 729 | |
| 730 | xf86RotateCloseScreen(screen); |
| 731 | |
| 732 | xf86RandR12CloseScreen(screen); |
| 733 | |
| 734 | screen->CloseScreen(screen); |
| 735 | |
| 736 | for (o = 0; o < config->num_output; o++) { |
| 737 | xf86OutputPtr output = config->output[o]; |
| 738 | |
| 739 | output->randr_output = NULL; |
| 740 | } |
| 741 | for (c = 0; c < config->num_crtc; c++) { |
| 742 | xf86CrtcPtr crtc = config->crtc[c]; |
| 743 | |
| 744 | crtc->randr_crtc = NULL; |
| 745 | } |
| 746 | /* detach any providers */ |
| 747 | if (config->randr_provider) { |
| 748 | RRProviderDestroy(config->randr_provider); |
| 749 | config->randr_provider = NULL; |
| 750 | } |
| 751 | return TRUE; |
| 752 | } |
| 753 | |
| 754 | /* |
| 755 | * Called at ScreenInit time to set up |
| 756 | */ |
| 757 | #ifdef RANDR_13_INTERFACE |
| 758 | int |
| 759 | #else |
| 760 | Bool |
| 761 | #endif |
| 762 | xf86CrtcScreenInit(ScreenPtr screen) |
| 763 | { |
| 764 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 765 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 766 | int c; |
| 767 | |
| 768 | /* Rotation */ |
| 769 | xf86DrvMsg(scrn->scrnIndex, X_INFO, |
| 770 | "RandR 1.2 enabled, ignore the following RandR disabled message.\n"); |
| 771 | xf86DisableRandR(); /* Disable old RandR extension support */ |
| 772 | xf86RandR12Init(screen); |
| 773 | |
| 774 | /* support all rotations if every crtc has the shadow alloc funcs */ |
| 775 | for (c = 0; c < config->num_crtc; c++) { |
| 776 | xf86CrtcPtr crtc = config->crtc[c]; |
| 777 | |
| 778 | if (!crtc->funcs->shadow_allocate || !crtc->funcs->shadow_create) |
| 779 | break; |
| 780 | } |
| 781 | if (c == config->num_crtc) { |
| 782 | xf86RandR12SetRotations(screen, RR_Rotate_0 | RR_Rotate_90 | |
| 783 | RR_Rotate_180 | RR_Rotate_270 | |
| 784 | RR_Reflect_X | RR_Reflect_Y); |
| 785 | xf86RandR12SetTransformSupport(screen, TRUE); |
| 786 | } |
| 787 | else { |
| 788 | xf86RandR12SetRotations(screen, RR_Rotate_0); |
| 789 | xf86RandR12SetTransformSupport(screen, FALSE); |
| 790 | } |
| 791 | |
| 792 | /* Wrap CreateScreenResources so we can initialize the RandR code */ |
| 793 | config->CreateScreenResources = screen->CreateScreenResources; |
| 794 | screen->CreateScreenResources = xf86CrtcCreateScreenResources; |
| 795 | |
| 796 | config->CloseScreen = screen->CloseScreen; |
| 797 | screen->CloseScreen = xf86CrtcCloseScreen; |
| 798 | |
| 799 | /* This might still be marked wrapped from a previous generation */ |
| 800 | config->BlockHandler = NULL; |
| 801 | |
| 802 | #ifdef XFreeXDGA |
| 803 | _xf86_di_dga_init_internal(screen); |
| 804 | #endif |
| 805 | #ifdef RANDR_13_INTERFACE |
| 806 | return RANDR_INTERFACE_VERSION; |
| 807 | #else |
| 808 | return TRUE; |
| 809 | #endif |
| 810 | } |
| 811 | |
| 812 | static DisplayModePtr |
| 813 | xf86DefaultMode(xf86OutputPtr output, int width, int height) |
| 814 | { |
| 815 | DisplayModePtr target_mode = NULL; |
| 816 | DisplayModePtr mode; |
| 817 | int target_diff = 0; |
| 818 | int target_preferred = 0; |
| 819 | int mm_height; |
| 820 | |
| 821 | mm_height = output->mm_height; |
| 822 | if (!mm_height) |
| 823 | mm_height = (768 * 25.4) / DEFAULT_DPI; |
| 824 | /* |
| 825 | * Pick a mode closest to DEFAULT_DPI |
| 826 | */ |
| 827 | for (mode = output->probed_modes; mode; mode = mode->next) { |
| 828 | int dpi; |
| 829 | int preferred = (((mode->type & M_T_PREFERRED) != 0) + |
| 830 | ((mode->type & M_T_USERPREF) != 0)); |
| 831 | int diff; |
| 832 | |
| 833 | if (xf86ModeWidth(mode, output->initial_rotation) > width || |
| 834 | xf86ModeHeight(mode, output->initial_rotation) > height) |
| 835 | continue; |
| 836 | |
| 837 | /* yes, use VDisplay here, not xf86ModeHeight */ |
| 838 | dpi = (mode->VDisplay * 254) / (mm_height * 10); |
| 839 | diff = dpi - DEFAULT_DPI; |
| 840 | diff = diff < 0 ? -diff : diff; |
| 841 | if (target_mode == NULL || (preferred > target_preferred) || |
| 842 | (preferred == target_preferred && diff < target_diff)) { |
| 843 | target_mode = mode; |
| 844 | target_diff = diff; |
| 845 | target_preferred = preferred; |
| 846 | } |
| 847 | } |
| 848 | return target_mode; |
| 849 | } |
| 850 | |
| 851 | static DisplayModePtr |
| 852 | xf86ClosestMode(xf86OutputPtr output, |
| 853 | DisplayModePtr match, Rotation match_rotation, |
| 854 | int width, int height) |
| 855 | { |
| 856 | DisplayModePtr target_mode = NULL; |
| 857 | DisplayModePtr mode; |
| 858 | int target_diff = 0; |
| 859 | |
| 860 | /* |
| 861 | * Pick a mode closest to the specified mode |
| 862 | */ |
| 863 | for (mode = output->probed_modes; mode; mode = mode->next) { |
| 864 | int dx, dy; |
| 865 | int diff; |
| 866 | |
| 867 | if (xf86ModeWidth(mode, output->initial_rotation) > width || |
| 868 | xf86ModeHeight(mode, output->initial_rotation) > height) |
| 869 | continue; |
| 870 | |
| 871 | /* exact matches are preferred */ |
| 872 | if (output->initial_rotation == match_rotation && |
| 873 | xf86ModesEqual(mode, match)) |
| 874 | return mode; |
| 875 | |
| 876 | dx = xf86ModeWidth(match, match_rotation) - xf86ModeWidth(mode, |
| 877 | output-> |
| 878 | initial_rotation); |
| 879 | dy = xf86ModeHeight(match, match_rotation) - xf86ModeHeight(mode, |
| 880 | output-> |
| 881 | initial_rotation); |
| 882 | diff = dx * dx + dy * dy; |
| 883 | if (target_mode == NULL || diff < target_diff) { |
| 884 | target_mode = mode; |
| 885 | target_diff = diff; |
| 886 | } |
| 887 | } |
| 888 | return target_mode; |
| 889 | } |
| 890 | |
| 891 | static DisplayModePtr |
| 892 | xf86OutputHasPreferredMode(xf86OutputPtr output, int width, int height) |
| 893 | { |
| 894 | DisplayModePtr mode; |
| 895 | |
| 896 | for (mode = output->probed_modes; mode; mode = mode->next) { |
| 897 | if (xf86ModeWidth(mode, output->initial_rotation) > width || |
| 898 | xf86ModeHeight(mode, output->initial_rotation) > height) |
| 899 | continue; |
| 900 | |
| 901 | if (mode->type & M_T_PREFERRED) |
| 902 | return mode; |
| 903 | } |
| 904 | return NULL; |
| 905 | } |
| 906 | |
| 907 | static DisplayModePtr |
| 908 | xf86OutputHasUserPreferredMode(xf86OutputPtr output) |
| 909 | { |
| 910 | DisplayModePtr mode, first = output->probed_modes; |
| 911 | |
| 912 | for (mode = first; mode && mode->next != first; mode = mode->next) |
| 913 | if (mode->type & M_T_USERPREF) |
| 914 | return mode; |
| 915 | |
| 916 | return NULL; |
| 917 | } |
| 918 | |
| 919 | static int |
| 920 | xf86PickCrtcs(ScrnInfoPtr scrn, |
| 921 | xf86CrtcPtr * best_crtcs, |
| 922 | DisplayModePtr * modes, int n, int width, int height) |
| 923 | { |
| 924 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 925 | int c, o; |
| 926 | xf86OutputPtr output; |
| 927 | xf86CrtcPtr crtc; |
| 928 | xf86CrtcPtr *crtcs; |
| 929 | xf86CrtcPtr best_crtc; |
| 930 | int best_score; |
| 931 | int score; |
| 932 | int my_score; |
| 933 | |
| 934 | if (n == config->num_output) |
| 935 | return 0; |
| 936 | output = config->output[n]; |
| 937 | |
| 938 | /* |
| 939 | * Compute score with this output disabled |
| 940 | */ |
| 941 | best_crtcs[n] = NULL; |
| 942 | best_crtc = NULL; |
| 943 | best_score = xf86PickCrtcs(scrn, best_crtcs, modes, n + 1, width, height); |
| 944 | if (modes[n] == NULL) |
| 945 | return best_score; |
| 946 | |
| 947 | crtcs = malloc(config->num_output * sizeof(xf86CrtcPtr)); |
| 948 | if (!crtcs) |
| 949 | return best_score; |
| 950 | |
| 951 | my_score = 1; |
| 952 | /* Score outputs that are known to be connected higher */ |
| 953 | if (output->status == XF86OutputStatusConnected) |
| 954 | my_score++; |
| 955 | /* Score outputs with preferred modes higher */ |
| 956 | if (xf86OutputHasPreferredMode(output, width, height)) |
| 957 | my_score++; |
| 958 | /* |
| 959 | * Select a crtc for this output and |
| 960 | * then attempt to configure the remaining |
| 961 | * outputs |
| 962 | */ |
| 963 | for (c = 0; c < config->num_crtc; c++) { |
| 964 | if ((output->possible_crtcs & (1 << c)) == 0) |
| 965 | continue; |
| 966 | |
| 967 | crtc = config->crtc[c]; |
| 968 | /* |
| 969 | * Check to see if some other output is |
| 970 | * using this crtc |
| 971 | */ |
| 972 | for (o = 0; o < n; o++) |
| 973 | if (best_crtcs[o] == crtc) |
| 974 | break; |
| 975 | if (o < n) { |
| 976 | /* |
| 977 | * If the two outputs desire the same mode, |
| 978 | * see if they can be cloned |
| 979 | */ |
| 980 | if (xf86ModesEqual(modes[o], modes[n]) && |
| 981 | config->output[o]->initial_rotation == |
| 982 | config->output[n]->initial_rotation && |
| 983 | config->output[o]->initial_x == config->output[n]->initial_x && |
| 984 | config->output[o]->initial_y == config->output[n]->initial_y) { |
| 985 | if ((output->possible_clones & (1 << o)) == 0) |
| 986 | continue; /* nope, try next CRTC */ |
| 987 | } |
| 988 | else |
| 989 | continue; /* different modes, can't clone */ |
| 990 | } |
| 991 | crtcs[n] = crtc; |
| 992 | memcpy(crtcs, best_crtcs, n * sizeof(xf86CrtcPtr)); |
| 993 | score = |
| 994 | my_score + xf86PickCrtcs(scrn, crtcs, modes, n + 1, width, height); |
| 995 | if (score > best_score) { |
| 996 | best_crtc = crtc; |
| 997 | best_score = score; |
| 998 | memcpy(best_crtcs, crtcs, config->num_output * sizeof(xf86CrtcPtr)); |
| 999 | } |
| 1000 | } |
| 1001 | free(crtcs); |
| 1002 | return best_score; |
| 1003 | } |
| 1004 | |
| 1005 | /* |
| 1006 | * Compute the virtual size necessary to place all of the available |
| 1007 | * crtcs in the specified configuration. |
| 1008 | * |
| 1009 | * canGrow indicates that the driver can make the screen larger than its initial |
| 1010 | * configuration. If FALSE, this function will enlarge the screen to include |
| 1011 | * the largest available mode. |
| 1012 | */ |
| 1013 | |
| 1014 | static void |
| 1015 | xf86DefaultScreenLimits(ScrnInfoPtr scrn, int *widthp, int *heightp, |
| 1016 | Bool canGrow) |
| 1017 | { |
| 1018 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1019 | int width = 0, height = 0; |
| 1020 | int o; |
| 1021 | int c; |
| 1022 | int s; |
| 1023 | |
| 1024 | for (c = 0; c < config->num_crtc; c++) { |
| 1025 | int crtc_width = 0, crtc_height = 0; |
| 1026 | xf86CrtcPtr crtc = config->crtc[c]; |
| 1027 | |
| 1028 | if (crtc->enabled) { |
| 1029 | crtc_width = |
| 1030 | crtc->desiredX + xf86ModeWidth(&crtc->desiredMode, |
| 1031 | crtc->desiredRotation); |
| 1032 | crtc_height = |
| 1033 | crtc->desiredY + xf86ModeHeight(&crtc->desiredMode, |
| 1034 | crtc->desiredRotation); |
| 1035 | } |
| 1036 | if (!canGrow) { |
| 1037 | for (o = 0; o < config->num_output; o++) { |
| 1038 | xf86OutputPtr output = config->output[o]; |
| 1039 | |
| 1040 | for (s = 0; s < config->num_crtc; s++) |
| 1041 | if (output->possible_crtcs & (1 << s)) { |
| 1042 | DisplayModePtr mode; |
| 1043 | |
| 1044 | for (mode = output->probed_modes; mode; |
| 1045 | mode = mode->next) { |
| 1046 | if (mode->HDisplay > crtc_width) |
| 1047 | crtc_width = mode->HDisplay; |
| 1048 | if (mode->VDisplay > crtc_width) |
| 1049 | crtc_width = mode->VDisplay; |
| 1050 | if (mode->VDisplay > crtc_height) |
| 1051 | crtc_height = mode->VDisplay; |
| 1052 | if (mode->HDisplay > crtc_height) |
| 1053 | crtc_height = mode->HDisplay; |
| 1054 | } |
| 1055 | } |
| 1056 | } |
| 1057 | } |
| 1058 | if (crtc_width > width) |
| 1059 | width = crtc_width; |
| 1060 | if (crtc_height > height) |
| 1061 | height = crtc_height; |
| 1062 | } |
| 1063 | if (config->maxWidth && width > config->maxWidth) |
| 1064 | width = config->maxWidth; |
| 1065 | if (config->maxHeight && height > config->maxHeight) |
| 1066 | height = config->maxHeight; |
| 1067 | if (config->minWidth && width < config->minWidth) |
| 1068 | width = config->minWidth; |
| 1069 | if (config->minHeight && height < config->minHeight) |
| 1070 | height = config->minHeight; |
| 1071 | *widthp = width; |
| 1072 | *heightp = height; |
| 1073 | } |
| 1074 | |
| 1075 | #define POSITION_UNSET -100000 |
| 1076 | |
| 1077 | /* |
| 1078 | * check if the user configured any outputs at all |
| 1079 | * with either a position or a relative setting or a mode. |
| 1080 | */ |
| 1081 | static Bool |
| 1082 | xf86UserConfiguredOutputs(ScrnInfoPtr scrn, DisplayModePtr * modes) |
| 1083 | { |
| 1084 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1085 | int o; |
| 1086 | Bool user_conf = FALSE; |
| 1087 | |
| 1088 | for (o = 0; o < config->num_output; o++) { |
| 1089 | xf86OutputPtr output = config->output[o]; |
| 1090 | char *position; |
| 1091 | char *relative_name; |
| 1092 | OutputOpts relation; |
| 1093 | int r; |
| 1094 | |
| 1095 | static const OutputOpts relations[] = { |
| 1096 | OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF |
| 1097 | }; |
| 1098 | |
| 1099 | position = xf86GetOptValString(output->options, OPTION_POSITION); |
| 1100 | if (position) |
| 1101 | user_conf = TRUE; |
| 1102 | |
| 1103 | relation = 0; |
| 1104 | relative_name = NULL; |
| 1105 | for (r = 0; r < 4; r++) { |
| 1106 | relation = relations[r]; |
| 1107 | relative_name = xf86GetOptValString(output->options, relation); |
| 1108 | if (relative_name) |
| 1109 | break; |
| 1110 | } |
| 1111 | if (relative_name) |
| 1112 | user_conf = TRUE; |
| 1113 | |
| 1114 | modes[o] = xf86OutputHasUserPreferredMode(output); |
| 1115 | if (modes[o]) |
| 1116 | user_conf = TRUE; |
| 1117 | } |
| 1118 | |
| 1119 | return user_conf; |
| 1120 | } |
| 1121 | |
| 1122 | static Bool |
| 1123 | xf86InitialOutputPositions(ScrnInfoPtr scrn, DisplayModePtr * modes) |
| 1124 | { |
| 1125 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1126 | int o; |
| 1127 | int min_x, min_y; |
| 1128 | |
| 1129 | for (o = 0; o < config->num_output; o++) { |
| 1130 | xf86OutputPtr output = config->output[o]; |
| 1131 | |
| 1132 | output->initial_x = output->initial_y = POSITION_UNSET; |
| 1133 | } |
| 1134 | |
| 1135 | /* |
| 1136 | * Loop until all outputs are set |
| 1137 | */ |
| 1138 | for (;;) { |
| 1139 | Bool any_set = FALSE; |
| 1140 | Bool keep_going = FALSE; |
| 1141 | |
| 1142 | for (o = 0; o < config->num_output; o++) { |
| 1143 | static const OutputOpts relations[] = { |
| 1144 | OPTION_BELOW, OPTION_RIGHT_OF, OPTION_ABOVE, OPTION_LEFT_OF |
| 1145 | }; |
| 1146 | xf86OutputPtr output = config->output[o]; |
| 1147 | xf86OutputPtr relative; |
| 1148 | char *relative_name; |
| 1149 | char *position; |
| 1150 | OutputOpts relation; |
| 1151 | int r; |
| 1152 | |
| 1153 | if (output->initial_x != POSITION_UNSET) |
| 1154 | continue; |
| 1155 | position = xf86GetOptValString(output->options, OPTION_POSITION); |
| 1156 | /* |
| 1157 | * Absolute position wins |
| 1158 | */ |
| 1159 | if (position) { |
| 1160 | int x, y; |
| 1161 | |
| 1162 | if (sscanf(position, "%d %d", &x, &y) == 2) { |
| 1163 | output->initial_x = x; |
| 1164 | output->initial_y = y; |
| 1165 | } |
| 1166 | else { |
| 1167 | xf86DrvMsg(scrn->scrnIndex, X_ERROR, |
| 1168 | "Output %s position not of form \"x y\"\n", |
| 1169 | output->name); |
| 1170 | output->initial_x = output->initial_y = 0; |
| 1171 | } |
| 1172 | any_set = TRUE; |
| 1173 | continue; |
| 1174 | } |
| 1175 | /* |
| 1176 | * Next comes relative positions |
| 1177 | */ |
| 1178 | relation = 0; |
| 1179 | relative_name = NULL; |
| 1180 | for (r = 0; r < 4; r++) { |
| 1181 | relation = relations[r]; |
| 1182 | relative_name = xf86GetOptValString(output->options, relation); |
| 1183 | if (relative_name) |
| 1184 | break; |
| 1185 | } |
| 1186 | if (relative_name) { |
| 1187 | int or; |
| 1188 | |
| 1189 | relative = NULL; |
| 1190 | for (or = 0; or < config->num_output; or++) { |
| 1191 | xf86OutputPtr out_rel = config->output[or]; |
| 1192 | XF86ConfMonitorPtr rel_mon = out_rel->conf_monitor; |
| 1193 | |
| 1194 | if (rel_mon) { |
| 1195 | if (xf86nameCompare(rel_mon->mon_identifier, |
| 1196 | relative_name) == 0) { |
| 1197 | relative = config->output[or]; |
| 1198 | break; |
| 1199 | } |
| 1200 | } |
| 1201 | if (strcmp(out_rel->name, relative_name) == 0) { |
| 1202 | relative = config->output[or]; |
| 1203 | break; |
| 1204 | } |
| 1205 | } |
| 1206 | if (!relative) { |
| 1207 | xf86DrvMsg(scrn->scrnIndex, X_ERROR, |
| 1208 | "Cannot position output %s relative to unknown output %s\n", |
| 1209 | output->name, relative_name); |
| 1210 | output->initial_x = 0; |
| 1211 | output->initial_y = 0; |
| 1212 | any_set = TRUE; |
| 1213 | continue; |
| 1214 | } |
| 1215 | if (!modes[or]) { |
| 1216 | xf86DrvMsg(scrn->scrnIndex, X_ERROR, |
| 1217 | "Cannot position output %s relative to output %s without modes\n", |
| 1218 | output->name, relative_name); |
| 1219 | output->initial_x = 0; |
| 1220 | output->initial_y = 0; |
| 1221 | any_set = TRUE; |
| 1222 | continue; |
| 1223 | } |
| 1224 | if (relative->initial_x == POSITION_UNSET) { |
| 1225 | keep_going = TRUE; |
| 1226 | continue; |
| 1227 | } |
| 1228 | output->initial_x = relative->initial_x; |
| 1229 | output->initial_y = relative->initial_y; |
| 1230 | switch (relation) { |
| 1231 | case OPTION_BELOW: |
| 1232 | output->initial_y += |
| 1233 | xf86ModeHeight(modes[or], relative->initial_rotation); |
| 1234 | break; |
| 1235 | case OPTION_RIGHT_OF: |
| 1236 | output->initial_x += |
| 1237 | xf86ModeWidth(modes[or], relative->initial_rotation); |
| 1238 | break; |
| 1239 | case OPTION_ABOVE: |
| 1240 | if (modes[o]) |
| 1241 | output->initial_y -= |
| 1242 | xf86ModeHeight(modes[o], output->initial_rotation); |
| 1243 | break; |
| 1244 | case OPTION_LEFT_OF: |
| 1245 | if (modes[o]) |
| 1246 | output->initial_x -= |
| 1247 | xf86ModeWidth(modes[o], output->initial_rotation); |
| 1248 | break; |
| 1249 | default: |
| 1250 | break; |
| 1251 | } |
| 1252 | any_set = TRUE; |
| 1253 | continue; |
| 1254 | } |
| 1255 | |
| 1256 | /* Nothing set, just stick them at 0,0 */ |
| 1257 | output->initial_x = 0; |
| 1258 | output->initial_y = 0; |
| 1259 | any_set = TRUE; |
| 1260 | } |
| 1261 | if (!keep_going) |
| 1262 | break; |
| 1263 | if (!any_set) { |
| 1264 | for (o = 0; o < config->num_output; o++) { |
| 1265 | xf86OutputPtr output = config->output[o]; |
| 1266 | |
| 1267 | if (output->initial_x == POSITION_UNSET) { |
| 1268 | xf86DrvMsg(scrn->scrnIndex, X_ERROR, |
| 1269 | "Output position loop. Moving %s to 0,0\n", |
| 1270 | output->name); |
| 1271 | output->initial_x = output->initial_y = 0; |
| 1272 | break; |
| 1273 | } |
| 1274 | } |
| 1275 | } |
| 1276 | } |
| 1277 | |
| 1278 | /* |
| 1279 | * normalize positions |
| 1280 | */ |
| 1281 | min_x = 1000000; |
| 1282 | min_y = 1000000; |
| 1283 | for (o = 0; o < config->num_output; o++) { |
| 1284 | xf86OutputPtr output = config->output[o]; |
| 1285 | |
| 1286 | if (output->initial_x < min_x) |
| 1287 | min_x = output->initial_x; |
| 1288 | if (output->initial_y < min_y) |
| 1289 | min_y = output->initial_y; |
| 1290 | } |
| 1291 | |
| 1292 | for (o = 0; o < config->num_output; o++) { |
| 1293 | xf86OutputPtr output = config->output[o]; |
| 1294 | |
| 1295 | output->initial_x -= min_x; |
| 1296 | output->initial_y -= min_y; |
| 1297 | } |
| 1298 | return TRUE; |
| 1299 | } |
| 1300 | |
| 1301 | static void |
| 1302 | xf86InitialPanning(ScrnInfoPtr scrn) |
| 1303 | { |
| 1304 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1305 | int o; |
| 1306 | |
| 1307 | for (o = 0; o < config->num_output; o++) { |
| 1308 | xf86OutputPtr output = config->output[o]; |
| 1309 | char *panning = xf86GetOptValString(output->options, OPTION_PANNING); |
| 1310 | int width, height, left, top; |
| 1311 | int track_width, track_height, track_left, track_top; |
| 1312 | int brdr[4]; |
| 1313 | |
| 1314 | memset(&output->initialTotalArea, 0, sizeof(BoxRec)); |
| 1315 | memset(&output->initialTrackingArea, 0, sizeof(BoxRec)); |
| 1316 | memset(output->initialBorder, 0, 4 * sizeof(INT16)); |
| 1317 | |
| 1318 | if (!panning) |
| 1319 | continue; |
| 1320 | |
| 1321 | switch (sscanf(panning, "%dx%d+%d+%d/%dx%d+%d+%d/%d/%d/%d/%d", |
| 1322 | &width, &height, &left, &top, |
| 1323 | &track_width, &track_height, &track_left, &track_top, |
| 1324 | &brdr[0], &brdr[1], &brdr[2], &brdr[3])) { |
| 1325 | case 12: |
| 1326 | output->initialBorder[0] = brdr[0]; |
| 1327 | output->initialBorder[1] = brdr[1]; |
| 1328 | output->initialBorder[2] = brdr[2]; |
| 1329 | output->initialBorder[3] = brdr[3]; |
| 1330 | /* fall through */ |
| 1331 | case 8: |
| 1332 | output->initialTrackingArea.x1 = track_left; |
| 1333 | output->initialTrackingArea.y1 = track_top; |
| 1334 | output->initialTrackingArea.x2 = track_left + track_width; |
| 1335 | output->initialTrackingArea.y2 = track_top + track_height; |
| 1336 | /* fall through */ |
| 1337 | case 4: |
| 1338 | output->initialTotalArea.x1 = left; |
| 1339 | output->initialTotalArea.y1 = top; |
| 1340 | /* fall through */ |
| 1341 | case 2: |
| 1342 | output->initialTotalArea.x2 = output->initialTotalArea.x1 + width; |
| 1343 | output->initialTotalArea.y2 = output->initialTotalArea.y1 + height; |
| 1344 | break; |
| 1345 | default: |
| 1346 | xf86DrvMsg(scrn->scrnIndex, X_ERROR, |
| 1347 | "Broken panning specification '%s' for output %s in config file\n", |
| 1348 | panning, output->name); |
| 1349 | } |
| 1350 | } |
| 1351 | } |
| 1352 | |
| 1353 | /** Return - 0 + if a should be earlier, same or later than b in list |
| 1354 | */ |
| 1355 | static int |
| 1356 | xf86ModeCompare(DisplayModePtr a, DisplayModePtr b) |
| 1357 | { |
| 1358 | int diff; |
| 1359 | |
| 1360 | diff = ((b->type & M_T_PREFERRED) != 0) - ((a->type & M_T_PREFERRED) != 0); |
| 1361 | if (diff) |
| 1362 | return diff; |
| 1363 | diff = b->HDisplay * b->VDisplay - a->HDisplay * a->VDisplay; |
| 1364 | if (diff) |
| 1365 | return diff; |
| 1366 | diff = b->Clock - a->Clock; |
| 1367 | return diff; |
| 1368 | } |
| 1369 | |
| 1370 | /** |
| 1371 | * Insertion sort input in-place and return the resulting head |
| 1372 | */ |
| 1373 | static DisplayModePtr |
| 1374 | xf86SortModes(DisplayModePtr input) |
| 1375 | { |
| 1376 | DisplayModePtr output = NULL, i, o, n, *op, prev; |
| 1377 | |
| 1378 | /* sort by preferred status and pixel area */ |
| 1379 | while (input) { |
| 1380 | i = input; |
| 1381 | input = input->next; |
| 1382 | for (op = &output; (o = *op); op = &o->next) |
| 1383 | if (xf86ModeCompare(o, i) > 0) |
| 1384 | break; |
| 1385 | i->next = *op; |
| 1386 | *op = i; |
| 1387 | } |
| 1388 | /* prune identical modes */ |
| 1389 | for (o = output; o && (n = o->next); o = n) { |
| 1390 | if (!strcmp(o->name, n->name) && xf86ModesEqual(o, n)) { |
| 1391 | o->next = n->next; |
| 1392 | free(n->name); |
| 1393 | free(n); |
| 1394 | n = o; |
| 1395 | } |
| 1396 | } |
| 1397 | /* hook up backward links */ |
| 1398 | prev = NULL; |
| 1399 | for (o = output; o; o = o->next) { |
| 1400 | o->prev = prev; |
| 1401 | prev = o; |
| 1402 | } |
| 1403 | return output; |
| 1404 | } |
| 1405 | |
| 1406 | static char * |
| 1407 | preferredMode(ScrnInfoPtr pScrn, xf86OutputPtr output) |
| 1408 | { |
| 1409 | char *preferred_mode = NULL; |
| 1410 | |
| 1411 | /* Check for a configured preference for a particular mode */ |
| 1412 | preferred_mode = xf86GetOptValString(output->options, |
| 1413 | OPTION_PREFERRED_MODE); |
| 1414 | if (preferred_mode) |
| 1415 | return preferred_mode; |
| 1416 | |
| 1417 | if (pScrn->display->modes && *pScrn->display->modes) |
| 1418 | preferred_mode = *pScrn->display->modes; |
| 1419 | |
| 1420 | return preferred_mode; |
| 1421 | } |
| 1422 | |
| 1423 | /** identify a token |
| 1424 | * args |
| 1425 | * *src a string with zero or more tokens, e.g. "tok0 tok1", |
| 1426 | * **token stores a pointer to the first token character, |
| 1427 | * *len stores the token length. |
| 1428 | * return |
| 1429 | * a pointer into src[] at the token terminating character, or |
| 1430 | * NULL if no token is found. |
| 1431 | */ |
| 1432 | static const char * |
| 1433 | gettoken(const char *src, const char **token, int *len) |
| 1434 | { |
| 1435 | const char *delim = " \t"; |
| 1436 | int skip; |
| 1437 | |
| 1438 | if (!src) |
| 1439 | return NULL; |
| 1440 | |
| 1441 | skip = strspn(src, delim); |
| 1442 | *token = &src[skip]; |
| 1443 | |
| 1444 | *len = strcspn(*token, delim); |
| 1445 | /* Support for backslash escaped delimiters could be implemented |
| 1446 | * here. |
| 1447 | */ |
| 1448 | |
| 1449 | /* (*token)[0] != '\0' <==> *len > 0 */ |
| 1450 | if (*len > 0) |
| 1451 | return &(*token)[*len]; |
| 1452 | else |
| 1453 | return NULL; |
| 1454 | } |
| 1455 | |
| 1456 | /** Check for a user configured zoom mode list, Option "ZoomModes": |
| 1457 | * |
| 1458 | * Section "Monitor" |
| 1459 | * Identifier "a21inch" |
| 1460 | * Option "ZoomModes" "1600x1200 1280x1024 1280x1024 640x480" |
| 1461 | * EndSection |
| 1462 | * |
| 1463 | * Each user mode name is searched for independently so the list |
| 1464 | * specification order is free. An output mode is matched at most |
| 1465 | * once, a mode with an already set M_T_USERDEF type bit is skipped. |
| 1466 | * Thus a repeat mode name specification matches the next output mode |
| 1467 | * with the same name. |
| 1468 | * |
| 1469 | * Ctrl+Alt+Keypad-{Plus,Minus} zooms {in,out} by selecting the |
| 1470 | * {next,previous} M_T_USERDEF mode in the screen modes list, itself |
| 1471 | * sorted toward lower dot area or lower dot clock frequency, see |
| 1472 | * modes/xf86Crtc.c: xf86SortModes() xf86SetScrnInfoModes(), and |
| 1473 | * common/xf86Cursor.c: xf86ZoomViewport(). |
| 1474 | */ |
| 1475 | static int |
| 1476 | processZoomModes(xf86OutputPtr output) |
| 1477 | { |
| 1478 | const char *zoom_modes; |
| 1479 | int count = 0; |
| 1480 | |
| 1481 | zoom_modes = xf86GetOptValString(output->options, OPTION_ZOOM_MODES); |
| 1482 | |
| 1483 | if (zoom_modes) { |
| 1484 | const char *token, *next; |
| 1485 | int len; |
| 1486 | |
| 1487 | next = gettoken(zoom_modes, &token, &len); |
| 1488 | while (next) { |
| 1489 | DisplayModePtr mode; |
| 1490 | |
| 1491 | for (mode = output->probed_modes; mode; mode = mode->next) |
| 1492 | if (!strncmp(token, mode->name, len) /* prefix match */ |
| 1493 | && mode->name[len] == '\0' /* equal length */ |
| 1494 | && !(mode->type & M_T_USERDEF)) { /* no rematch */ |
| 1495 | mode->type |= M_T_USERDEF; |
| 1496 | break; |
| 1497 | } |
| 1498 | |
| 1499 | count++; |
| 1500 | next = gettoken(next, &token, &len); |
| 1501 | } |
| 1502 | } |
| 1503 | |
| 1504 | return count; |
| 1505 | } |
| 1506 | |
| 1507 | static void |
| 1508 | GuessRangeFromModes(MonPtr mon, DisplayModePtr mode) |
| 1509 | { |
| 1510 | if (!mon || !mode) |
| 1511 | return; |
| 1512 | |
| 1513 | mon->nHsync = 1; |
| 1514 | mon->hsync[0].lo = 1024.0; |
| 1515 | mon->hsync[0].hi = 0.0; |
| 1516 | |
| 1517 | mon->nVrefresh = 1; |
| 1518 | mon->vrefresh[0].lo = 1024.0; |
| 1519 | mon->vrefresh[0].hi = 0.0; |
| 1520 | |
| 1521 | while (mode) { |
| 1522 | if (!mode->HSync) |
| 1523 | mode->HSync = ((float) mode->Clock) / ((float) mode->HTotal); |
| 1524 | |
| 1525 | if (!mode->VRefresh) |
| 1526 | mode->VRefresh = (1000.0 * ((float) mode->Clock)) / |
| 1527 | ((float) (mode->HTotal * mode->VTotal)); |
| 1528 | |
| 1529 | if (mode->HSync < mon->hsync[0].lo) |
| 1530 | mon->hsync[0].lo = mode->HSync; |
| 1531 | |
| 1532 | if (mode->HSync > mon->hsync[0].hi) |
| 1533 | mon->hsync[0].hi = mode->HSync; |
| 1534 | |
| 1535 | if (mode->VRefresh < mon->vrefresh[0].lo) |
| 1536 | mon->vrefresh[0].lo = mode->VRefresh; |
| 1537 | |
| 1538 | if (mode->VRefresh > mon->vrefresh[0].hi) |
| 1539 | mon->vrefresh[0].hi = mode->VRefresh; |
| 1540 | |
| 1541 | mode = mode->next; |
| 1542 | } |
| 1543 | |
| 1544 | /* stretch out the bottom to fit 640x480@60 */ |
| 1545 | if (mon->hsync[0].lo > 31.0) |
| 1546 | mon->hsync[0].lo = 31.0; |
| 1547 | if (mon->vrefresh[0].lo > 58.0) |
| 1548 | mon->vrefresh[0].lo = 58.0; |
| 1549 | } |
| 1550 | |
| 1551 | enum det_monrec_source { |
| 1552 | sync_config, sync_edid, sync_default |
| 1553 | }; |
| 1554 | |
| 1555 | struct det_monrec_parameter { |
| 1556 | MonRec *mon_rec; |
| 1557 | int *max_clock; |
| 1558 | Bool set_hsync; |
| 1559 | Bool set_vrefresh; |
| 1560 | enum det_monrec_source *sync_source; |
| 1561 | }; |
| 1562 | |
| 1563 | static void |
| 1564 | handle_detailed_monrec(struct detailed_monitor_section *det_mon, void *data) |
| 1565 | { |
| 1566 | struct det_monrec_parameter *p; |
| 1567 | |
| 1568 | p = (struct det_monrec_parameter *) data; |
| 1569 | |
| 1570 | if (det_mon->type == DS_RANGES) { |
| 1571 | struct monitor_ranges *ranges = &det_mon->section.ranges; |
| 1572 | |
| 1573 | if (p->set_hsync && ranges->max_h) { |
| 1574 | p->mon_rec->hsync[p->mon_rec->nHsync].lo = ranges->min_h; |
| 1575 | p->mon_rec->hsync[p->mon_rec->nHsync].hi = ranges->max_h; |
| 1576 | p->mon_rec->nHsync++; |
| 1577 | if (*p->sync_source == sync_default) |
| 1578 | *p->sync_source = sync_edid; |
| 1579 | } |
| 1580 | if (p->set_vrefresh && ranges->max_v) { |
| 1581 | p->mon_rec->vrefresh[p->mon_rec->nVrefresh].lo = ranges->min_v; |
| 1582 | p->mon_rec->vrefresh[p->mon_rec->nVrefresh].hi = ranges->max_v; |
| 1583 | p->mon_rec->nVrefresh++; |
| 1584 | if (*p->sync_source == sync_default) |
| 1585 | *p->sync_source = sync_edid; |
| 1586 | } |
| 1587 | if (ranges->max_clock * 1000 > *p->max_clock) |
| 1588 | *p->max_clock = ranges->max_clock * 1000; |
| 1589 | } |
| 1590 | } |
| 1591 | |
| 1592 | void |
| 1593 | xf86ProbeOutputModes(ScrnInfoPtr scrn, int maxX, int maxY) |
| 1594 | { |
| 1595 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1596 | int o; |
| 1597 | |
| 1598 | /* When canGrow was TRUE in the initial configuration we have to |
| 1599 | * compare against the maximum values so that we don't drop modes. |
| 1600 | * When canGrow was FALSE, the maximum values would have been clamped |
| 1601 | * anyway. |
| 1602 | */ |
| 1603 | if (maxX == 0 || maxY == 0) { |
| 1604 | maxX = config->maxWidth; |
| 1605 | maxY = config->maxHeight; |
| 1606 | } |
| 1607 | |
| 1608 | /* Probe the list of modes for each output. */ |
| 1609 | for (o = 0; o < config->num_output; o++) { |
| 1610 | xf86OutputPtr output = config->output[o]; |
| 1611 | DisplayModePtr mode; |
| 1612 | DisplayModePtr config_modes = NULL, output_modes, default_modes = NULL; |
| 1613 | char *preferred_mode; |
| 1614 | xf86MonPtr edid_monitor; |
| 1615 | XF86ConfMonitorPtr conf_monitor; |
| 1616 | MonRec mon_rec; |
| 1617 | int min_clock = 0; |
| 1618 | int max_clock = 0; |
| 1619 | double clock; |
| 1620 | Bool add_default_modes; |
| 1621 | Bool debug_modes = config->debug_modes || xf86Initialising; |
| 1622 | enum det_monrec_source sync_source = sync_default; |
| 1623 | |
| 1624 | while (output->probed_modes != NULL) |
| 1625 | xf86DeleteMode(&output->probed_modes, output->probed_modes); |
| 1626 | |
| 1627 | /* |
| 1628 | * Check connection status |
| 1629 | */ |
| 1630 | output->status = (*output->funcs->detect) (output); |
| 1631 | |
| 1632 | if (output->status == XF86OutputStatusDisconnected && |
| 1633 | !xf86ReturnOptValBool(output->options, OPTION_ENABLE, FALSE)) { |
| 1634 | xf86OutputSetEDID(output, NULL); |
| 1635 | continue; |
| 1636 | } |
| 1637 | |
| 1638 | memset(&mon_rec, '\0', sizeof(mon_rec)); |
| 1639 | |
| 1640 | conf_monitor = output->conf_monitor; |
| 1641 | |
| 1642 | if (conf_monitor) { |
| 1643 | int i; |
| 1644 | |
| 1645 | for (i = 0; i < conf_monitor->mon_n_hsync; i++) { |
| 1646 | mon_rec.hsync[mon_rec.nHsync].lo = |
| 1647 | conf_monitor->mon_hsync[i].lo; |
| 1648 | mon_rec.hsync[mon_rec.nHsync].hi = |
| 1649 | conf_monitor->mon_hsync[i].hi; |
| 1650 | mon_rec.nHsync++; |
| 1651 | sync_source = sync_config; |
| 1652 | } |
| 1653 | for (i = 0; i < conf_monitor->mon_n_vrefresh; i++) { |
| 1654 | mon_rec.vrefresh[mon_rec.nVrefresh].lo = |
| 1655 | conf_monitor->mon_vrefresh[i].lo; |
| 1656 | mon_rec.vrefresh[mon_rec.nVrefresh].hi = |
| 1657 | conf_monitor->mon_vrefresh[i].hi; |
| 1658 | mon_rec.nVrefresh++; |
| 1659 | sync_source = sync_config; |
| 1660 | } |
| 1661 | config_modes = xf86GetMonitorModes(scrn, conf_monitor); |
| 1662 | } |
| 1663 | |
| 1664 | output_modes = (*output->funcs->get_modes) (output); |
| 1665 | |
| 1666 | /* |
| 1667 | * If the user has a preference, respect it. |
| 1668 | * Otherwise, don't second-guess the driver. |
| 1669 | */ |
| 1670 | if (!xf86GetOptValBool(output->options, OPTION_DEFAULT_MODES, |
| 1671 | &add_default_modes)) |
| 1672 | add_default_modes = (output_modes == NULL); |
| 1673 | |
| 1674 | edid_monitor = output->MonInfo; |
| 1675 | |
| 1676 | if (edid_monitor) { |
| 1677 | struct det_monrec_parameter p; |
| 1678 | struct disp_features *features = &edid_monitor->features; |
| 1679 | |
| 1680 | /* if display is not continuous-frequency, don't add default modes */ |
| 1681 | if (!GTF_SUPPORTED(features->msc)) |
| 1682 | add_default_modes = FALSE; |
| 1683 | |
| 1684 | p.mon_rec = &mon_rec; |
| 1685 | p.max_clock = &max_clock; |
| 1686 | p.set_hsync = mon_rec.nHsync == 0; |
| 1687 | p.set_vrefresh = mon_rec.nVrefresh == 0; |
| 1688 | p.sync_source = &sync_source; |
| 1689 | |
| 1690 | xf86ForEachDetailedBlock(edid_monitor, handle_detailed_monrec, &p); |
| 1691 | } |
| 1692 | |
| 1693 | if (xf86GetOptValFreq(output->options, OPTION_MIN_CLOCK, |
| 1694 | OPTUNITS_KHZ, &clock)) |
| 1695 | min_clock = (int) clock; |
| 1696 | if (xf86GetOptValFreq(output->options, OPTION_MAX_CLOCK, |
| 1697 | OPTUNITS_KHZ, &clock)) |
| 1698 | max_clock = (int) clock; |
| 1699 | |
| 1700 | /* If we still don't have a sync range, guess wildly */ |
| 1701 | if (!mon_rec.nHsync || !mon_rec.nVrefresh) |
| 1702 | GuessRangeFromModes(&mon_rec, output_modes); |
| 1703 | |
| 1704 | /* |
| 1705 | * These limits will end up setting a 1024x768@60Hz mode by default, |
| 1706 | * which seems like a fairly good mode to use when nothing else is |
| 1707 | * specified |
| 1708 | */ |
| 1709 | if (mon_rec.nHsync == 0) { |
| 1710 | mon_rec.hsync[0].lo = 31.0; |
| 1711 | mon_rec.hsync[0].hi = 55.0; |
| 1712 | mon_rec.nHsync = 1; |
| 1713 | } |
| 1714 | if (mon_rec.nVrefresh == 0) { |
| 1715 | mon_rec.vrefresh[0].lo = 58.0; |
| 1716 | mon_rec.vrefresh[0].hi = 62.0; |
| 1717 | mon_rec.nVrefresh = 1; |
| 1718 | } |
| 1719 | |
| 1720 | if (add_default_modes) |
| 1721 | default_modes = xf86GetDefaultModes(); |
| 1722 | |
| 1723 | /* |
| 1724 | * If this is not an RB monitor, remove RB modes from the default |
| 1725 | * pool. RB modes from the config or the monitor itself are fine. |
| 1726 | */ |
| 1727 | if (!mon_rec.reducedblanking) |
| 1728 | xf86ValidateModesReducedBlanking(scrn, default_modes); |
| 1729 | |
| 1730 | if (sync_source == sync_config) { |
| 1731 | /* |
| 1732 | * Check output and config modes against sync range from config file |
| 1733 | */ |
| 1734 | xf86ValidateModesSync(scrn, output_modes, &mon_rec); |
| 1735 | xf86ValidateModesSync(scrn, config_modes, &mon_rec); |
| 1736 | } |
| 1737 | /* |
| 1738 | * Check default modes against sync range |
| 1739 | */ |
| 1740 | xf86ValidateModesSync(scrn, default_modes, &mon_rec); |
| 1741 | /* |
| 1742 | * Check default modes against monitor max clock |
| 1743 | */ |
| 1744 | if (max_clock) { |
| 1745 | xf86ValidateModesClocks(scrn, default_modes, |
| 1746 | &min_clock, &max_clock, 1); |
| 1747 | xf86ValidateModesClocks(scrn, output_modes, |
| 1748 | &min_clock, &max_clock, 1); |
| 1749 | } |
| 1750 | |
| 1751 | output->probed_modes = NULL; |
| 1752 | output->probed_modes = xf86ModesAdd(output->probed_modes, config_modes); |
| 1753 | output->probed_modes = xf86ModesAdd(output->probed_modes, output_modes); |
| 1754 | output->probed_modes = |
| 1755 | xf86ModesAdd(output->probed_modes, default_modes); |
| 1756 | |
| 1757 | /* |
| 1758 | * Check all modes against max size, interlace, and doublescan |
| 1759 | */ |
| 1760 | if (maxX && maxY) |
| 1761 | xf86ValidateModesSize(scrn, output->probed_modes, maxX, maxY, 0); |
| 1762 | |
| 1763 | { |
| 1764 | int flags = (output->interlaceAllowed ? V_INTERLACE : 0) | |
| 1765 | (output->doubleScanAllowed ? V_DBLSCAN : 0); |
| 1766 | xf86ValidateModesFlags(scrn, output->probed_modes, flags); |
| 1767 | } |
| 1768 | |
| 1769 | /* |
| 1770 | * Check all modes against output |
| 1771 | */ |
| 1772 | for (mode = output->probed_modes; mode != NULL; mode = mode->next) |
| 1773 | if (mode->status == MODE_OK) |
| 1774 | mode->status = (*output->funcs->mode_valid) (output, mode); |
| 1775 | |
| 1776 | xf86PruneInvalidModes(scrn, &output->probed_modes, debug_modes); |
| 1777 | |
| 1778 | output->probed_modes = xf86SortModes(output->probed_modes); |
| 1779 | |
| 1780 | /* Check for a configured preference for a particular mode */ |
| 1781 | preferred_mode = preferredMode(scrn, output); |
| 1782 | |
| 1783 | if (preferred_mode) { |
| 1784 | for (mode = output->probed_modes; mode; mode = mode->next) { |
| 1785 | if (!strcmp(preferred_mode, mode->name)) { |
| 1786 | if (mode != output->probed_modes) { |
| 1787 | if (mode->prev) |
| 1788 | mode->prev->next = mode->next; |
| 1789 | if (mode->next) |
| 1790 | mode->next->prev = mode->prev; |
| 1791 | mode->next = output->probed_modes; |
| 1792 | output->probed_modes->prev = mode; |
| 1793 | mode->prev = NULL; |
| 1794 | output->probed_modes = mode; |
| 1795 | } |
| 1796 | mode->type |= (M_T_PREFERRED | M_T_USERPREF); |
| 1797 | break; |
| 1798 | } |
| 1799 | } |
| 1800 | } |
| 1801 | |
| 1802 | /* Ctrl+Alt+Keypad-{Plus,Minus} zoom mode: M_T_USERDEF mode type */ |
| 1803 | processZoomModes(output); |
| 1804 | |
| 1805 | output->initial_rotation = xf86OutputInitialRotation(output); |
| 1806 | |
| 1807 | if (debug_modes) { |
| 1808 | if (output->probed_modes != NULL) { |
| 1809 | xf86DrvMsg(scrn->scrnIndex, X_INFO, |
| 1810 | "Printing probed modes for output %s\n", |
| 1811 | output->name); |
| 1812 | } |
| 1813 | else { |
| 1814 | xf86DrvMsg(scrn->scrnIndex, X_INFO, |
| 1815 | "No remaining probed modes for output %s\n", |
| 1816 | output->name); |
| 1817 | } |
| 1818 | } |
| 1819 | for (mode = output->probed_modes; mode != NULL; mode = mode->next) { |
| 1820 | /* The code to choose the best mode per pipe later on will require |
| 1821 | * VRefresh to be set. |
| 1822 | */ |
| 1823 | mode->VRefresh = xf86ModeVRefresh(mode); |
| 1824 | xf86SetModeCrtc(mode, INTERLACE_HALVE_V); |
| 1825 | |
| 1826 | if (debug_modes) |
| 1827 | xf86PrintModeline(scrn->scrnIndex, mode); |
| 1828 | } |
| 1829 | } |
| 1830 | } |
| 1831 | |
| 1832 | /** |
| 1833 | * Copy one of the output mode lists to the ScrnInfo record |
| 1834 | */ |
| 1835 | |
| 1836 | /* XXX where does this function belong? Here? */ |
| 1837 | void |
| 1838 | xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr scrn, int *x, int *y); |
| 1839 | |
| 1840 | static DisplayModePtr |
| 1841 | biggestMode(DisplayModePtr a, DisplayModePtr b) |
| 1842 | { |
| 1843 | int A, B; |
| 1844 | |
| 1845 | if (!a) |
| 1846 | return b; |
| 1847 | if (!b) |
| 1848 | return a; |
| 1849 | |
| 1850 | A = a->HDisplay * a->VDisplay; |
| 1851 | B = b->HDisplay * b->VDisplay; |
| 1852 | |
| 1853 | if (A > B) |
| 1854 | return a; |
| 1855 | |
| 1856 | return b; |
| 1857 | } |
| 1858 | |
| 1859 | static xf86OutputPtr |
| 1860 | SetCompatOutput(xf86CrtcConfigPtr config) |
| 1861 | { |
| 1862 | xf86OutputPtr output = NULL, test = NULL; |
| 1863 | DisplayModePtr maxmode = NULL, testmode, mode; |
| 1864 | int o, compat = -1, count, mincount = 0; |
| 1865 | |
| 1866 | if (config->num_output == 0) |
| 1867 | return NULL; |
| 1868 | |
| 1869 | /* Look for one that's definitely connected */ |
| 1870 | for (o = 0; o < config->num_output; o++) { |
| 1871 | test = config->output[o]; |
| 1872 | if (!test->crtc) |
| 1873 | continue; |
| 1874 | if (test->status != XF86OutputStatusConnected) |
| 1875 | continue; |
| 1876 | if (!test->probed_modes) |
| 1877 | continue; |
| 1878 | |
| 1879 | testmode = mode = test->probed_modes; |
| 1880 | for (count = 0; mode; mode = mode->next, count++) |
| 1881 | testmode = biggestMode(testmode, mode); |
| 1882 | |
| 1883 | if (!output) { |
| 1884 | output = test; |
| 1885 | compat = o; |
| 1886 | maxmode = testmode; |
| 1887 | mincount = count; |
| 1888 | } |
| 1889 | else if (maxmode == biggestMode(maxmode, testmode)) { |
| 1890 | output = test; |
| 1891 | compat = o; |
| 1892 | maxmode = testmode; |
| 1893 | mincount = count; |
| 1894 | } |
| 1895 | else if ((maxmode->HDisplay == testmode->HDisplay) && |
| 1896 | (maxmode->VDisplay == testmode->VDisplay) && |
| 1897 | count <= mincount) { |
| 1898 | output = test; |
| 1899 | compat = o; |
| 1900 | maxmode = testmode; |
| 1901 | mincount = count; |
| 1902 | } |
| 1903 | } |
| 1904 | |
| 1905 | /* If we didn't find one, take anything we can get */ |
| 1906 | if (!output) { |
| 1907 | for (o = 0; o < config->num_output; o++) { |
| 1908 | test = config->output[o]; |
| 1909 | if (!test->crtc) |
| 1910 | continue; |
| 1911 | if (!test->probed_modes) |
| 1912 | continue; |
| 1913 | |
| 1914 | if (!output) { |
| 1915 | output = test; |
| 1916 | compat = o; |
| 1917 | } |
| 1918 | else if (test->probed_modes->HDisplay < |
| 1919 | output->probed_modes->HDisplay) { |
| 1920 | output = test; |
| 1921 | compat = o; |
| 1922 | } |
| 1923 | } |
| 1924 | } |
| 1925 | |
| 1926 | if (compat >= 0) { |
| 1927 | config->compat_output = compat; |
| 1928 | } |
| 1929 | else if (config->compat_output >= 0 && config->compat_output < config->num_output) { |
| 1930 | /* Don't change the compat output when no valid outputs found */ |
| 1931 | output = config->output[config->compat_output]; |
| 1932 | } |
| 1933 | |
| 1934 | /* All outputs are disconnected, select one to fake */ |
| 1935 | if (!output && config->num_output) { |
| 1936 | config->compat_output = 0; |
| 1937 | output = config->output[config->compat_output]; |
| 1938 | } |
| 1939 | |
| 1940 | return output; |
| 1941 | } |
| 1942 | |
| 1943 | void |
| 1944 | xf86SetScrnInfoModes(ScrnInfoPtr scrn) |
| 1945 | { |
| 1946 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1947 | xf86OutputPtr output; |
| 1948 | xf86CrtcPtr crtc; |
| 1949 | DisplayModePtr last, mode = NULL; |
| 1950 | |
| 1951 | output = SetCompatOutput(config); |
| 1952 | |
| 1953 | if (!output) |
| 1954 | return; /* punt */ |
| 1955 | |
| 1956 | crtc = output->crtc; |
| 1957 | |
| 1958 | /* Clear any existing modes from scrn->modes */ |
| 1959 | while (scrn->modes != NULL) |
| 1960 | xf86DeleteMode(&scrn->modes, scrn->modes); |
| 1961 | |
| 1962 | /* Set scrn->modes to the mode list for the 'compat' output */ |
| 1963 | scrn->modes = xf86DuplicateModes(scrn, output->probed_modes); |
| 1964 | |
| 1965 | if (crtc) { |
| 1966 | for (mode = scrn->modes; mode; mode = mode->next) |
| 1967 | if (xf86ModesEqual(mode, &crtc->desiredMode)) |
| 1968 | break; |
| 1969 | } |
| 1970 | |
| 1971 | if (!scrn->modes) { |
| 1972 | scrn->modes = xf86ModesAdd(scrn->modes, |
| 1973 | xf86CVTMode(scrn->display->virtualX, |
| 1974 | scrn->display->virtualY, |
| 1975 | 60, 0, 0)); |
| 1976 | } |
| 1977 | |
| 1978 | /* For some reason, scrn->modes is circular, unlike the other mode |
| 1979 | * lists. How great is that? |
| 1980 | */ |
| 1981 | for (last = scrn->modes; last && last->next; last = last->next); |
| 1982 | last->next = scrn->modes; |
| 1983 | scrn->modes->prev = last; |
| 1984 | if (mode) { |
| 1985 | while (scrn->modes != mode) |
| 1986 | scrn->modes = scrn->modes->next; |
| 1987 | } |
| 1988 | |
| 1989 | scrn->currentMode = scrn->modes; |
| 1990 | #ifdef XFreeXDGA |
| 1991 | if (scrn->pScreen) |
| 1992 | _xf86_di_dga_reinit_internal(scrn->pScreen); |
| 1993 | #endif |
| 1994 | } |
| 1995 | |
| 1996 | static Bool |
| 1997 | xf86CollectEnabledOutputs(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, |
| 1998 | Bool *enabled) |
| 1999 | { |
| 2000 | Bool any_enabled = FALSE; |
| 2001 | int o; |
| 2002 | |
| 2003 | /* |
| 2004 | * Don't bother enabling outputs on GPU screens: a client needs to attach |
| 2005 | * it to a source provider before setting a mode that scans out a shared |
| 2006 | * pixmap. |
| 2007 | */ |
| 2008 | if (scrn->is_gpu) |
| 2009 | return FALSE; |
| 2010 | |
| 2011 | for (o = 0; o < config->num_output; o++) |
| 2012 | any_enabled |= enabled[o] = xf86OutputEnabled(config->output[o], TRUE); |
| 2013 | |
| 2014 | if (!any_enabled) { |
| 2015 | xf86DrvMsg(scrn->scrnIndex, X_WARNING, |
| 2016 | "No outputs definitely connected, trying again...\n"); |
| 2017 | |
| 2018 | for (o = 0; o < config->num_output; o++) |
| 2019 | any_enabled |= enabled[o] = |
| 2020 | xf86OutputEnabled(config->output[o], FALSE); |
| 2021 | } |
| 2022 | |
| 2023 | return any_enabled; |
| 2024 | } |
| 2025 | |
| 2026 | static Bool |
| 2027 | nextEnabledOutput(xf86CrtcConfigPtr config, Bool *enabled, int *index) |
| 2028 | { |
| 2029 | int o = *index; |
| 2030 | |
| 2031 | for (o++; o < config->num_output; o++) { |
| 2032 | if (enabled[o]) { |
| 2033 | *index = o; |
| 2034 | return TRUE; |
| 2035 | } |
| 2036 | } |
| 2037 | |
| 2038 | return FALSE; |
| 2039 | } |
| 2040 | |
| 2041 | static Bool |
| 2042 | aspectMatch(float a, float b) |
| 2043 | { |
| 2044 | return fabs(1 - (a / b)) < 0.05; |
| 2045 | } |
| 2046 | |
| 2047 | static DisplayModePtr |
| 2048 | nextAspectMode(xf86OutputPtr o, DisplayModePtr last, float aspect) |
| 2049 | { |
| 2050 | DisplayModePtr m = NULL; |
| 2051 | |
| 2052 | if (!o) |
| 2053 | return NULL; |
| 2054 | |
| 2055 | if (!last) |
| 2056 | m = o->probed_modes; |
| 2057 | else |
| 2058 | m = last->next; |
| 2059 | |
| 2060 | for (; m; m = m->next) |
| 2061 | if (aspectMatch(aspect, (float) m->HDisplay / (float) m->VDisplay)) |
| 2062 | return m; |
| 2063 | |
| 2064 | return NULL; |
| 2065 | } |
| 2066 | |
| 2067 | static DisplayModePtr |
| 2068 | bestModeForAspect(xf86CrtcConfigPtr config, Bool *enabled, float aspect) |
| 2069 | { |
| 2070 | int o = -1, p; |
| 2071 | DisplayModePtr mode = NULL, test = NULL, match = NULL; |
| 2072 | |
| 2073 | if (!nextEnabledOutput(config, enabled, &o)) |
| 2074 | return NULL; |
| 2075 | while ((mode = nextAspectMode(config->output[o], mode, aspect))) { |
| 2076 | test = mode; |
| 2077 | for (p = o; nextEnabledOutput(config, enabled, &p);) { |
| 2078 | test = xf86OutputFindClosestMode(config->output[p], mode); |
| 2079 | if (!test) |
| 2080 | break; |
| 2081 | if (test->HDisplay != mode->HDisplay || |
| 2082 | test->VDisplay != mode->VDisplay) { |
| 2083 | test = NULL; |
| 2084 | break; |
| 2085 | } |
| 2086 | } |
| 2087 | |
| 2088 | /* if we didn't match it on all outputs, try the next one */ |
| 2089 | if (!test) |
| 2090 | continue; |
| 2091 | |
| 2092 | /* if it's bigger than the last one, save it */ |
| 2093 | if (!match || (test->HDisplay > match->HDisplay)) |
| 2094 | match = test; |
| 2095 | } |
| 2096 | |
| 2097 | /* return the biggest one found */ |
| 2098 | return match; |
| 2099 | } |
| 2100 | |
| 2101 | static Bool |
| 2102 | xf86TargetPreferred(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, |
| 2103 | DisplayModePtr * modes, Bool *enabled, |
| 2104 | int width, int height) |
| 2105 | { |
| 2106 | int o, p; |
| 2107 | int max_pref_width = 0, max_pref_height = 0; |
| 2108 | DisplayModePtr *preferred, *preferred_match; |
| 2109 | Bool ret = FALSE; |
| 2110 | |
| 2111 | preferred = xnfcalloc(config->num_output, sizeof(DisplayModePtr)); |
| 2112 | preferred_match = xnfcalloc(config->num_output, sizeof(DisplayModePtr)); |
| 2113 | |
| 2114 | /* Check if the preferred mode is available on all outputs */ |
| 2115 | for (p = -1; nextEnabledOutput(config, enabled, &p);) { |
| 2116 | Rotation r = config->output[p]->initial_rotation; |
| 2117 | DisplayModePtr mode; |
| 2118 | |
| 2119 | if ((preferred[p] = xf86OutputHasPreferredMode(config->output[p], |
| 2120 | width, height))) { |
| 2121 | int pref_width = xf86ModeWidth(preferred[p], r); |
| 2122 | int pref_height = xf86ModeHeight(preferred[p], r); |
| 2123 | Bool all_match = TRUE; |
| 2124 | |
| 2125 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2126 | Bool match = FALSE; |
| 2127 | xf86OutputPtr output = config->output[o]; |
| 2128 | |
| 2129 | if (o == p) |
| 2130 | continue; |
| 2131 | |
| 2132 | /* |
| 2133 | * First see if the preferred mode matches on the next |
| 2134 | * output as well. This catches the common case of identical |
| 2135 | * monitors and makes sure they all have the same timings |
| 2136 | * and refresh. If that fails, we fall back to trying to |
| 2137 | * match just width & height. |
| 2138 | */ |
| 2139 | mode = xf86OutputHasPreferredMode(output, pref_width, |
| 2140 | pref_height); |
| 2141 | if (mode && xf86ModesEqual(mode, preferred[p])) { |
| 2142 | preferred[o] = mode; |
| 2143 | match = TRUE; |
| 2144 | } |
| 2145 | else { |
| 2146 | for (mode = output->probed_modes; mode; mode = mode->next) { |
| 2147 | Rotation r = output->initial_rotation; |
| 2148 | |
| 2149 | if (xf86ModeWidth(mode, r) == pref_width && |
| 2150 | xf86ModeHeight(mode, r) == pref_height) { |
| 2151 | preferred[o] = mode; |
| 2152 | match = TRUE; |
| 2153 | } |
| 2154 | } |
| 2155 | } |
| 2156 | |
| 2157 | all_match &= match; |
| 2158 | } |
| 2159 | |
| 2160 | if (all_match && |
| 2161 | (pref_width * pref_height > max_pref_width * max_pref_height)) { |
| 2162 | for (o = -1; nextEnabledOutput(config, enabled, &o);) |
| 2163 | preferred_match[o] = preferred[o]; |
| 2164 | max_pref_width = pref_width; |
| 2165 | max_pref_height = pref_height; |
| 2166 | ret = TRUE; |
| 2167 | } |
| 2168 | } |
| 2169 | } |
| 2170 | |
| 2171 | /* |
| 2172 | * If there's no preferred mode, but only one monitor, pick the |
| 2173 | * biggest mode for its aspect ratio or 4:3, assuming one exists. |
| 2174 | */ |
| 2175 | if (!ret) |
| 2176 | do { |
| 2177 | int i = 0; |
| 2178 | float aspect = 0.0; |
| 2179 | DisplayModePtr a = NULL, b = NULL; |
| 2180 | |
| 2181 | /* count the number of enabled outputs */ |
| 2182 | for (i = 0, p = -1; nextEnabledOutput(config, enabled, &p); i++); |
| 2183 | |
| 2184 | if (i != 1) |
| 2185 | break; |
| 2186 | |
| 2187 | p = -1; |
| 2188 | nextEnabledOutput(config, enabled, &p); |
| 2189 | if (config->output[p]->mm_height) |
| 2190 | aspect = (float) config->output[p]->mm_width / |
| 2191 | (float) config->output[p]->mm_height; |
| 2192 | |
| 2193 | a = bestModeForAspect(config, enabled, 4.0/3.0); |
| 2194 | if (aspect) |
| 2195 | b = bestModeForAspect(config, enabled, aspect); |
| 2196 | |
| 2197 | preferred_match[p] = biggestMode(a, b); |
| 2198 | |
| 2199 | if (preferred_match[p]) |
| 2200 | ret = TRUE; |
| 2201 | |
| 2202 | } while (0); |
| 2203 | |
| 2204 | if (ret) { |
| 2205 | /* oh good, there is a match. stash the selected modes and return. */ |
| 2206 | memcpy(modes, preferred_match, |
| 2207 | config->num_output * sizeof(DisplayModePtr)); |
| 2208 | } |
| 2209 | |
| 2210 | free(preferred); |
| 2211 | free(preferred_match); |
| 2212 | return ret; |
| 2213 | } |
| 2214 | |
| 2215 | static Bool |
| 2216 | xf86TargetAspect(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, |
| 2217 | DisplayModePtr * modes, Bool *enabled, int width, int height) |
| 2218 | { |
| 2219 | int o; |
| 2220 | float aspect = 0.0, *aspects; |
| 2221 | xf86OutputPtr output; |
| 2222 | Bool ret = FALSE; |
| 2223 | DisplayModePtr guess = NULL, aspect_guess = NULL, base_guess = NULL; |
| 2224 | |
| 2225 | aspects = xnfcalloc(config->num_output, sizeof(float)); |
| 2226 | |
| 2227 | /* collect the aspect ratios */ |
| 2228 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2229 | output = config->output[o]; |
| 2230 | if (output->mm_height) |
| 2231 | aspects[o] = (float) output->mm_width / (float) output->mm_height; |
| 2232 | else |
| 2233 | aspects[o] = 4.0 / 3.0; |
| 2234 | } |
| 2235 | |
| 2236 | /* check that they're all the same */ |
| 2237 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2238 | output = config->output[o]; |
| 2239 | if (!aspect) { |
| 2240 | aspect = aspects[o]; |
| 2241 | } |
| 2242 | else if (!aspectMatch(aspect, aspects[o])) { |
| 2243 | goto no_aspect_match; |
| 2244 | } |
| 2245 | } |
| 2246 | |
| 2247 | /* if they're all 4:3, just skip ahead and save effort */ |
| 2248 | if (!aspectMatch(aspect, 4.0 / 3.0)) |
| 2249 | aspect_guess = bestModeForAspect(config, enabled, aspect); |
| 2250 | |
| 2251 | no_aspect_match: |
| 2252 | base_guess = bestModeForAspect(config, enabled, 4.0 / 3.0); |
| 2253 | |
| 2254 | guess = biggestMode(base_guess, aspect_guess); |
| 2255 | |
| 2256 | if (!guess) |
| 2257 | goto out; |
| 2258 | |
| 2259 | /* found a mode that works everywhere, now apply it */ |
| 2260 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2261 | modes[o] = xf86OutputFindClosestMode(config->output[o], guess); |
| 2262 | } |
| 2263 | ret = TRUE; |
| 2264 | |
| 2265 | out: |
| 2266 | free(aspects); |
| 2267 | return ret; |
| 2268 | } |
| 2269 | |
| 2270 | static Bool |
| 2271 | xf86TargetFallback(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, |
| 2272 | DisplayModePtr * modes, Bool *enabled, int width, int height) |
| 2273 | { |
| 2274 | DisplayModePtr target_mode = NULL; |
| 2275 | Rotation target_rotation = RR_Rotate_0; |
| 2276 | DisplayModePtr default_mode; |
| 2277 | int default_preferred, target_preferred = 0, o; |
| 2278 | |
| 2279 | /* User preferred > preferred > other modes */ |
| 2280 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2281 | default_mode = xf86DefaultMode(config->output[o], width, height); |
| 2282 | if (!default_mode) |
| 2283 | continue; |
| 2284 | |
| 2285 | default_preferred = (((default_mode->type & M_T_PREFERRED) != 0) + |
| 2286 | ((default_mode->type & M_T_USERPREF) != 0)); |
| 2287 | |
| 2288 | if (default_preferred > target_preferred || !target_mode) { |
| 2289 | target_mode = default_mode; |
| 2290 | target_preferred = default_preferred; |
| 2291 | target_rotation = config->output[o]->initial_rotation; |
| 2292 | config->compat_output = o; |
| 2293 | } |
| 2294 | } |
| 2295 | |
| 2296 | if (target_mode) |
| 2297 | modes[config->compat_output] = target_mode; |
| 2298 | |
| 2299 | /* Fill in other output modes */ |
| 2300 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2301 | if (!modes[o]) |
| 2302 | modes[o] = xf86ClosestMode(config->output[o], target_mode, |
| 2303 | target_rotation, width, height); |
| 2304 | } |
| 2305 | |
| 2306 | return target_mode != NULL; |
| 2307 | } |
| 2308 | |
| 2309 | static Bool |
| 2310 | xf86TargetUserpref(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, |
| 2311 | DisplayModePtr * modes, Bool *enabled, int width, int height) |
| 2312 | { |
| 2313 | int o; |
| 2314 | |
| 2315 | if (xf86UserConfiguredOutputs(scrn, modes)) |
| 2316 | return xf86TargetFallback(scrn, config, modes, enabled, width, height); |
| 2317 | |
| 2318 | for (o = -1; nextEnabledOutput(config, enabled, &o);) |
| 2319 | if (xf86OutputHasUserPreferredMode(config->output[o])) |
| 2320 | return |
| 2321 | xf86TargetFallback(scrn, config, modes, enabled, width, height); |
| 2322 | |
| 2323 | return FALSE; |
| 2324 | } |
| 2325 | |
| 2326 | static Bool |
| 2327 | xf86CrtcSetInitialGamma(xf86CrtcPtr crtc, float gamma_red, float gamma_green, |
| 2328 | float gamma_blue) |
| 2329 | { |
| 2330 | int i, size = 256; |
| 2331 | CARD16 *red, *green, *blue; |
| 2332 | |
| 2333 | red = malloc(3 * size * sizeof(CARD16)); |
| 2334 | green = red + size; |
| 2335 | blue = green + size; |
| 2336 | |
| 2337 | /* Only cause warning if user wanted gamma to be set. */ |
| 2338 | if (!crtc->funcs->gamma_set && |
| 2339 | (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0)) { |
| 2340 | free(red); |
| 2341 | return FALSE; |
| 2342 | } |
| 2343 | else if (!crtc->funcs->gamma_set) { |
| 2344 | free(red); |
| 2345 | return TRUE; |
| 2346 | } |
| 2347 | |
| 2348 | /* At this early stage none of the randr-interface stuff is up. |
| 2349 | * So take the default gamma size for lack of something better. |
| 2350 | */ |
| 2351 | for (i = 0; i < size; i++) { |
| 2352 | if (gamma_red == 1.0) |
| 2353 | red[i] = i << 8; |
| 2354 | else |
| 2355 | red[i] = (CARD16) (pow((double) i / (double) (size - 1), |
| 2356 | 1. / (double) gamma_red) * (double) (size - |
| 2357 | 1) * |
| 2358 | 256); |
| 2359 | |
| 2360 | if (gamma_green == 1.0) |
| 2361 | green[i] = i << 8; |
| 2362 | else |
| 2363 | green[i] = (CARD16) (pow((double) i / (double) (size - 1), |
| 2364 | 1. / (double) gamma_green) * |
| 2365 | (double) (size - 1) * 256); |
| 2366 | |
| 2367 | if (gamma_blue == 1.0) |
| 2368 | blue[i] = i << 8; |
| 2369 | else |
| 2370 | blue[i] = (CARD16) (pow((double) i / (double) (size - 1), |
| 2371 | 1. / (double) gamma_blue) * (double) (size - |
| 2372 | 1) * |
| 2373 | 256); |
| 2374 | } |
| 2375 | |
| 2376 | /* Default size is 256, so anything else is failure. */ |
| 2377 | if (size != crtc->gamma_size) { |
| 2378 | free(red); |
| 2379 | return FALSE; |
| 2380 | } |
| 2381 | |
| 2382 | crtc->gamma_size = size; |
| 2383 | memcpy(crtc->gamma_red, red, crtc->gamma_size * sizeof(CARD16)); |
| 2384 | memcpy(crtc->gamma_green, green, crtc->gamma_size * sizeof(CARD16)); |
| 2385 | memcpy(crtc->gamma_blue, blue, crtc->gamma_size * sizeof(CARD16)); |
| 2386 | |
| 2387 | /* Do not set gamma now, delay until the crtc is activated. */ |
| 2388 | |
| 2389 | free(red); |
| 2390 | |
| 2391 | return TRUE; |
| 2392 | } |
| 2393 | |
| 2394 | static Bool |
| 2395 | xf86OutputSetInitialGamma(xf86OutputPtr output) |
| 2396 | { |
| 2397 | XF86ConfMonitorPtr mon = output->conf_monitor; |
| 2398 | float gamma_red = 1.0, gamma_green = 1.0, gamma_blue = 1.0; |
| 2399 | |
| 2400 | if (!mon) |
| 2401 | return TRUE; |
| 2402 | |
| 2403 | if (!output->crtc) |
| 2404 | return FALSE; |
| 2405 | |
| 2406 | /* Get configured values, where they exist. */ |
| 2407 | if (mon->mon_gamma_red >= GAMMA_MIN && mon->mon_gamma_red <= GAMMA_MAX) |
| 2408 | gamma_red = mon->mon_gamma_red; |
| 2409 | |
| 2410 | if (mon->mon_gamma_green >= GAMMA_MIN && mon->mon_gamma_green <= GAMMA_MAX) |
| 2411 | gamma_green = mon->mon_gamma_green; |
| 2412 | |
| 2413 | if (mon->mon_gamma_blue >= GAMMA_MIN && mon->mon_gamma_blue <= GAMMA_MAX) |
| 2414 | gamma_blue = mon->mon_gamma_blue; |
| 2415 | |
| 2416 | /* This avoids setting gamma 1.0 in case another cloned output on this crtc has a specific gamma. */ |
| 2417 | if (gamma_red != 1.0 || gamma_green != 1.0 || gamma_blue != 1.0) { |
| 2418 | xf86DrvMsg(output->scrn->scrnIndex, X_INFO, |
| 2419 | "Output %s wants gamma correction (%.1f, %.1f, %.1f)\n", |
| 2420 | output->name, gamma_red, gamma_green, gamma_blue); |
| 2421 | return xf86CrtcSetInitialGamma(output->crtc, gamma_red, gamma_green, |
| 2422 | gamma_blue); |
| 2423 | } |
| 2424 | else |
| 2425 | return TRUE; |
| 2426 | } |
| 2427 | |
| 2428 | /** |
| 2429 | * Construct default screen configuration |
| 2430 | * |
| 2431 | * Given auto-detected (and, eventually, configured) values, |
| 2432 | * construct a usable configuration for the system |
| 2433 | * |
| 2434 | * canGrow indicates that the driver can resize the screen to larger than its |
| 2435 | * initially configured size via the config->funcs->resize hook. If TRUE, this |
| 2436 | * function will set virtualX and virtualY to match the initial configuration |
| 2437 | * and leave config->max{Width,Height} alone. If FALSE, it will bloat |
| 2438 | * virtual[XY] to include the largest modes and set config->max{Width,Height} |
| 2439 | * accordingly. |
| 2440 | */ |
| 2441 | |
| 2442 | Bool |
| 2443 | xf86InitialConfiguration(ScrnInfoPtr scrn, Bool canGrow) |
| 2444 | { |
| 2445 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 2446 | int o, c; |
| 2447 | xf86CrtcPtr *crtcs; |
| 2448 | DisplayModePtr *modes; |
| 2449 | Bool *enabled; |
| 2450 | int width, height; |
| 2451 | int i = scrn->scrnIndex; |
| 2452 | Bool have_outputs = TRUE; |
| 2453 | Bool ret; |
| 2454 | Bool success = FALSE; |
| 2455 | |
| 2456 | /* Set up the device options */ |
| 2457 | config->options = xnfalloc(sizeof(xf86DeviceOptions)); |
| 2458 | memcpy(config->options, xf86DeviceOptions, sizeof(xf86DeviceOptions)); |
| 2459 | xf86ProcessOptions(scrn->scrnIndex, scrn->options, config->options); |
| 2460 | config->debug_modes = xf86ReturnOptValBool(config->options, |
| 2461 | OPTION_MODEDEBUG, FALSE); |
| 2462 | |
| 2463 | if (scrn->display->virtualX && !scrn->is_gpu) |
| 2464 | width = scrn->display->virtualX; |
| 2465 | else |
| 2466 | width = config->maxWidth; |
| 2467 | if (scrn->display->virtualY && !scrn->is_gpu) |
| 2468 | height = scrn->display->virtualY; |
| 2469 | else |
| 2470 | height = config->maxHeight; |
| 2471 | |
| 2472 | xf86ProbeOutputModes(scrn, width, height); |
| 2473 | |
| 2474 | crtcs = xnfcalloc(config->num_output, sizeof(xf86CrtcPtr)); |
| 2475 | modes = xnfcalloc(config->num_output, sizeof(DisplayModePtr)); |
| 2476 | enabled = xnfcalloc(config->num_output, sizeof(Bool)); |
| 2477 | |
| 2478 | ret = xf86CollectEnabledOutputs(scrn, config, enabled); |
| 2479 | if (ret == FALSE && canGrow) { |
| 2480 | if (!scrn->is_gpu) |
| 2481 | xf86DrvMsg(i, X_WARNING, |
| 2482 | "Unable to find connected outputs - setting %dx%d " |
| 2483 | "initial framebuffer\n", |
| 2484 | NO_OUTPUT_DEFAULT_WIDTH, NO_OUTPUT_DEFAULT_HEIGHT); |
| 2485 | have_outputs = FALSE; |
| 2486 | } |
| 2487 | else { |
| 2488 | if (xf86TargetUserpref(scrn, config, modes, enabled, width, height)) |
| 2489 | xf86DrvMsg(i, X_INFO, "Using user preference for initial modes\n"); |
| 2490 | else if (xf86TargetPreferred |
| 2491 | (scrn, config, modes, enabled, width, height)) |
| 2492 | xf86DrvMsg(i, X_INFO, "Using exact sizes for initial modes\n"); |
| 2493 | else if (xf86TargetAspect(scrn, config, modes, enabled, width, height)) |
| 2494 | xf86DrvMsg(i, X_INFO, |
| 2495 | "Using fuzzy aspect match for initial modes\n"); |
| 2496 | else if (xf86TargetFallback |
| 2497 | (scrn, config, modes, enabled, width, height)) |
| 2498 | xf86DrvMsg(i, X_INFO, "Using sloppy heuristic for initial modes\n"); |
| 2499 | else |
| 2500 | xf86DrvMsg(i, X_WARNING, "Unable to find initial modes\n"); |
| 2501 | } |
| 2502 | |
| 2503 | for (o = -1; nextEnabledOutput(config, enabled, &o);) { |
| 2504 | if (!modes[o]) |
| 2505 | xf86DrvMsg(scrn->scrnIndex, X_ERROR, |
| 2506 | "Output %s enabled but has no modes\n", |
| 2507 | config->output[o]->name); |
| 2508 | else |
| 2509 | xf86DrvMsg(scrn->scrnIndex, X_INFO, |
| 2510 | "Output %s using initial mode %s\n", |
| 2511 | config->output[o]->name, modes[o]->name); |
| 2512 | } |
| 2513 | |
| 2514 | /* |
| 2515 | * Set the position of each output |
| 2516 | */ |
| 2517 | if (!xf86InitialOutputPositions(scrn, modes)) |
| 2518 | goto bailout; |
| 2519 | |
| 2520 | /* |
| 2521 | * Set initial panning of each output |
| 2522 | */ |
| 2523 | xf86InitialPanning(scrn); |
| 2524 | |
| 2525 | /* |
| 2526 | * Assign CRTCs to fit output configuration |
| 2527 | */ |
| 2528 | if (have_outputs && !xf86PickCrtcs(scrn, crtcs, modes, 0, width, height)) |
| 2529 | goto bailout; |
| 2530 | |
| 2531 | /* XXX override xf86 common frame computation code */ |
| 2532 | |
| 2533 | if (!scrn->is_gpu) { |
| 2534 | scrn->display->frameX0 = 0; |
| 2535 | scrn->display->frameY0 = 0; |
| 2536 | } |
| 2537 | |
| 2538 | for (c = 0; c < config->num_crtc; c++) { |
| 2539 | xf86CrtcPtr crtc = config->crtc[c]; |
| 2540 | |
| 2541 | crtc->enabled = FALSE; |
| 2542 | memset(&crtc->desiredMode, '\0', sizeof(crtc->desiredMode)); |
| 2543 | /* Set default gamma for all crtc's. */ |
| 2544 | /* This is done to avoid problems later on with cloned outputs. */ |
| 2545 | xf86CrtcSetInitialGamma(crtc, 1.0, 1.0, 1.0); |
| 2546 | } |
| 2547 | |
| 2548 | if (xf86_crtc_supports_gamma(scrn)) |
| 2549 | xf86DrvMsg(scrn->scrnIndex, X_INFO, |
| 2550 | "Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.\n"); |
| 2551 | |
| 2552 | /* |
| 2553 | * Set initial configuration |
| 2554 | */ |
| 2555 | for (o = 0; o < config->num_output; o++) { |
| 2556 | xf86OutputPtr output = config->output[o]; |
| 2557 | DisplayModePtr mode = modes[o]; |
| 2558 | xf86CrtcPtr crtc = crtcs[o]; |
| 2559 | |
| 2560 | if (mode && crtc) { |
| 2561 | xf86SaveModeContents(&crtc->desiredMode, mode); |
| 2562 | crtc->desiredRotation = output->initial_rotation; |
| 2563 | crtc->desiredX = output->initial_x; |
| 2564 | crtc->desiredY = output->initial_y; |
| 2565 | crtc->desiredTransformPresent = FALSE; |
| 2566 | crtc->enabled = TRUE; |
| 2567 | memcpy(&crtc->panningTotalArea, &output->initialTotalArea, |
| 2568 | sizeof(BoxRec)); |
| 2569 | memcpy(&crtc->panningTrackingArea, &output->initialTrackingArea, |
| 2570 | sizeof(BoxRec)); |
| 2571 | memcpy(crtc->panningBorder, output->initialBorder, |
| 2572 | 4 * sizeof(INT16)); |
| 2573 | output->crtc = crtc; |
| 2574 | if (!xf86OutputSetInitialGamma(output)) |
| 2575 | xf86DrvMsg(scrn->scrnIndex, X_WARNING, |
| 2576 | "Initial gamma correction for output %s: failed.\n", |
| 2577 | output->name); |
| 2578 | } |
| 2579 | else { |
| 2580 | output->crtc = NULL; |
| 2581 | } |
| 2582 | } |
| 2583 | |
| 2584 | if (scrn->display->virtualX == 0 || scrn->is_gpu) { |
| 2585 | /* |
| 2586 | * Expand virtual size to cover the current config and potential mode |
| 2587 | * switches, if the driver can't enlarge the screen later. |
| 2588 | */ |
| 2589 | xf86DefaultScreenLimits(scrn, &width, &height, canGrow); |
| 2590 | |
| 2591 | if (have_outputs == FALSE) { |
| 2592 | if (width < NO_OUTPUT_DEFAULT_WIDTH && |
| 2593 | height < NO_OUTPUT_DEFAULT_HEIGHT) { |
| 2594 | width = NO_OUTPUT_DEFAULT_WIDTH; |
| 2595 | height = NO_OUTPUT_DEFAULT_HEIGHT; |
| 2596 | } |
| 2597 | } |
| 2598 | |
| 2599 | if (!scrn->is_gpu) { |
| 2600 | scrn->display->virtualX = width; |
| 2601 | scrn->display->virtualY = height; |
| 2602 | } |
| 2603 | } |
| 2604 | |
| 2605 | if (width > scrn->virtualX) |
| 2606 | scrn->virtualX = width; |
| 2607 | if (height > scrn->virtualY) |
| 2608 | scrn->virtualY = height; |
| 2609 | |
| 2610 | /* |
| 2611 | * Make sure the configuration isn't too small. |
| 2612 | */ |
| 2613 | if (width < config->minWidth || height < config->minHeight) |
| 2614 | goto bailout; |
| 2615 | |
| 2616 | /* |
| 2617 | * Limit the crtc config to virtual[XY] if the driver can't grow the |
| 2618 | * desktop. |
| 2619 | */ |
| 2620 | if (!canGrow) { |
| 2621 | xf86CrtcSetSizeRange(scrn, config->minWidth, config->minHeight, |
| 2622 | width, height); |
| 2623 | } |
| 2624 | |
| 2625 | xf86SetScrnInfoModes(scrn); |
| 2626 | |
| 2627 | success = TRUE; |
| 2628 | bailout: |
| 2629 | free(crtcs); |
| 2630 | free(modes); |
| 2631 | free(enabled); |
| 2632 | return success; |
| 2633 | } |
| 2634 | |
| 2635 | /* |
| 2636 | * Check the CRTC we're going to map each output to vs. it's current |
| 2637 | * CRTC. If they don't match, we have to disable the output and the CRTC |
| 2638 | * since the driver will have to re-route things. |
| 2639 | */ |
| 2640 | static void |
| 2641 | xf86PrepareOutputs(ScrnInfoPtr scrn) |
| 2642 | { |
| 2643 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 2644 | int o; |
| 2645 | |
| 2646 | for (o = 0; o < config->num_output; o++) { |
| 2647 | xf86OutputPtr output = config->output[o]; |
| 2648 | |
| 2649 | #if RANDR_GET_CRTC_INTERFACE |
| 2650 | /* Disable outputs that are unused or will be re-routed */ |
| 2651 | if (!output->funcs->get_crtc || |
| 2652 | output->crtc != (*output->funcs->get_crtc) (output) || |
| 2653 | output->crtc == NULL) |
| 2654 | #endif |
| 2655 | (*output->funcs->dpms) (output, DPMSModeOff); |
| 2656 | } |
| 2657 | } |
| 2658 | |
| 2659 | static void |
| 2660 | xf86PrepareCrtcs(ScrnInfoPtr scrn) |
| 2661 | { |
| 2662 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 2663 | int c; |
| 2664 | |
| 2665 | for (c = 0; c < config->num_crtc; c++) { |
| 2666 | #if RANDR_GET_CRTC_INTERFACE |
| 2667 | xf86CrtcPtr crtc = config->crtc[c]; |
| 2668 | xf86OutputPtr output = NULL; |
| 2669 | uint32_t desired_outputs = 0, current_outputs = 0; |
| 2670 | int o; |
| 2671 | |
| 2672 | for (o = 0; o < config->num_output; o++) { |
| 2673 | output = config->output[o]; |
| 2674 | if (output->crtc == crtc) |
| 2675 | desired_outputs |= (1 << o); |
| 2676 | /* If we can't tell where it's mapped, force it off */ |
| 2677 | if (!output->funcs->get_crtc) { |
| 2678 | desired_outputs = 0; |
| 2679 | break; |
| 2680 | } |
| 2681 | if ((*output->funcs->get_crtc) (output) == crtc) |
| 2682 | current_outputs |= (1 << o); |
| 2683 | } |
| 2684 | |
| 2685 | /* |
| 2686 | * If mappings are different or the CRTC is unused, |
| 2687 | * we need to disable it |
| 2688 | */ |
| 2689 | if (desired_outputs != current_outputs || !desired_outputs) |
| 2690 | (*crtc->funcs->dpms) (crtc, DPMSModeOff); |
| 2691 | #else |
| 2692 | (*crtc->funcs->dpms) (crtc, DPMSModeOff); |
| 2693 | #endif |
| 2694 | } |
| 2695 | } |
| 2696 | |
| 2697 | /* |
| 2698 | * Using the desired mode information in each crtc, set |
| 2699 | * modes (used in EnterVT functions, or at server startup) |
| 2700 | */ |
| 2701 | |
| 2702 | Bool |
| 2703 | xf86SetDesiredModes(ScrnInfoPtr scrn) |
| 2704 | { |
| 2705 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 2706 | xf86CrtcPtr crtc = config->crtc[0]; |
| 2707 | int enabled = 0, failed = 0; |
| 2708 | int c; |
| 2709 | |
| 2710 | /* A driver with this hook will take care of this */ |
| 2711 | if (!crtc->funcs->set_mode_major) { |
| 2712 | xf86PrepareOutputs(scrn); |
| 2713 | xf86PrepareCrtcs(scrn); |
| 2714 | } |
| 2715 | |
| 2716 | for (c = 0; c < config->num_crtc; c++) { |
| 2717 | xf86OutputPtr output = NULL; |
| 2718 | int o; |
| 2719 | RRTransformPtr transform; |
| 2720 | |
| 2721 | crtc = config->crtc[c]; |
| 2722 | |
| 2723 | /* Skip disabled CRTCs */ |
| 2724 | if (!crtc->enabled) |
| 2725 | continue; |
| 2726 | |
| 2727 | if (xf86CompatOutput(scrn) && xf86CompatCrtc(scrn) == crtc) |
| 2728 | output = xf86CompatOutput(scrn); |
| 2729 | else { |
| 2730 | for (o = 0; o < config->num_output; o++) |
| 2731 | if (config->output[o]->crtc == crtc) { |
| 2732 | output = config->output[o]; |
| 2733 | break; |
| 2734 | } |
| 2735 | } |
| 2736 | /* paranoia */ |
| 2737 | if (!output) |
| 2738 | continue; |
| 2739 | |
| 2740 | /* Mark that we'll need to re-set the mode for sure */ |
| 2741 | memset(&crtc->mode, 0, sizeof(crtc->mode)); |
| 2742 | if (!crtc->desiredMode.CrtcHDisplay) { |
| 2743 | DisplayModePtr mode = |
| 2744 | xf86OutputFindClosestMode(output, scrn->currentMode); |
| 2745 | |
| 2746 | if (!mode) |
| 2747 | return FALSE; |
| 2748 | xf86SaveModeContents(&crtc->desiredMode, mode); |
| 2749 | crtc->desiredRotation = RR_Rotate_0; |
| 2750 | crtc->desiredTransformPresent = FALSE; |
| 2751 | crtc->desiredX = 0; |
| 2752 | crtc->desiredY = 0; |
| 2753 | } |
| 2754 | |
| 2755 | if (crtc->desiredTransformPresent) |
| 2756 | transform = &crtc->desiredTransform; |
| 2757 | else |
| 2758 | transform = NULL; |
| 2759 | if (xf86CrtcSetModeTransform |
| 2760 | (crtc, &crtc->desiredMode, crtc->desiredRotation, transform, |
| 2761 | crtc->desiredX, crtc->desiredY)) { |
| 2762 | ++enabled; |
| 2763 | } else { |
| 2764 | for (o = 0; o < config->num_output; o++) |
| 2765 | if (config->output[o]->crtc == crtc) |
| 2766 | config->output[o]->crtc = NULL; |
| 2767 | crtc->enabled = FALSE; |
| 2768 | ++failed; |
| 2769 | } |
| 2770 | } |
| 2771 | |
| 2772 | xf86DisableUnusedFunctions(scrn); |
| 2773 | return enabled != 0 || failed == 0; |
| 2774 | } |
| 2775 | |
| 2776 | /** |
| 2777 | * In the current world order, there are lists of modes per output, which may |
| 2778 | * or may not include the mode that was asked to be set by XFree86's mode |
| 2779 | * selection. Find the closest one, in the following preference order: |
| 2780 | * |
| 2781 | * - Equality |
| 2782 | * - Closer in size to the requested mode, but no larger |
| 2783 | * - Closer in refresh rate to the requested mode. |
| 2784 | */ |
| 2785 | |
| 2786 | DisplayModePtr |
| 2787 | xf86OutputFindClosestMode(xf86OutputPtr output, DisplayModePtr desired) |
| 2788 | { |
| 2789 | DisplayModePtr best = NULL, scan = NULL; |
| 2790 | |
| 2791 | for (scan = output->probed_modes; scan != NULL; scan = scan->next) { |
| 2792 | /* If there's an exact match, we're done. */ |
| 2793 | if (xf86ModesEqual(scan, desired)) { |
| 2794 | best = desired; |
| 2795 | break; |
| 2796 | } |
| 2797 | |
| 2798 | /* Reject if it's larger than the desired mode. */ |
| 2799 | if (scan->HDisplay > desired->HDisplay || |
| 2800 | scan->VDisplay > desired->VDisplay) { |
| 2801 | continue; |
| 2802 | } |
| 2803 | |
| 2804 | /* |
| 2805 | * If we haven't picked a best mode yet, use the first |
| 2806 | * one in the size range |
| 2807 | */ |
| 2808 | if (best == NULL) { |
| 2809 | best = scan; |
| 2810 | continue; |
| 2811 | } |
| 2812 | |
| 2813 | /* Find if it's closer to the right size than the current best |
| 2814 | * option. |
| 2815 | */ |
| 2816 | if ((scan->HDisplay > best->HDisplay && |
| 2817 | scan->VDisplay >= best->VDisplay) || |
| 2818 | (scan->HDisplay >= best->HDisplay && |
| 2819 | scan->VDisplay > best->VDisplay)) { |
| 2820 | best = scan; |
| 2821 | continue; |
| 2822 | } |
| 2823 | |
| 2824 | /* Find if it's still closer to the right refresh than the current |
| 2825 | * best resolution. |
| 2826 | */ |
| 2827 | if (scan->HDisplay == best->HDisplay && |
| 2828 | scan->VDisplay == best->VDisplay && |
| 2829 | (fabs(scan->VRefresh - desired->VRefresh) < |
| 2830 | fabs(best->VRefresh - desired->VRefresh))) { |
| 2831 | best = scan; |
| 2832 | } |
| 2833 | } |
| 2834 | return best; |
| 2835 | } |
| 2836 | |
| 2837 | /** |
| 2838 | * When setting a mode through XFree86-VidModeExtension or XFree86-DGA, |
| 2839 | * take the specified mode and apply it to the crtc connected to the compat |
| 2840 | * output. Then, find similar modes for the other outputs, as with the |
| 2841 | * InitialConfiguration code above. The goal is to clone the desired |
| 2842 | * mode across all outputs that are currently active. |
| 2843 | */ |
| 2844 | |
| 2845 | Bool |
| 2846 | xf86SetSingleMode(ScrnInfoPtr pScrn, DisplayModePtr desired, Rotation rotation) |
| 2847 | { |
| 2848 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 2849 | Bool ok = TRUE; |
| 2850 | xf86OutputPtr compat_output; |
| 2851 | DisplayModePtr compat_mode = NULL; |
| 2852 | int c; |
| 2853 | |
| 2854 | /* |
| 2855 | * Let the compat output drive the final mode selection |
| 2856 | */ |
| 2857 | compat_output = xf86CompatOutput(pScrn); |
| 2858 | if (compat_output) |
| 2859 | compat_mode = xf86OutputFindClosestMode(compat_output, desired); |
| 2860 | if (compat_mode) |
| 2861 | desired = compat_mode; |
| 2862 | |
| 2863 | for (c = 0; c < config->num_crtc; c++) { |
| 2864 | xf86CrtcPtr crtc = config->crtc[c]; |
| 2865 | DisplayModePtr crtc_mode = NULL; |
| 2866 | int o; |
| 2867 | |
| 2868 | if (!crtc->enabled) |
| 2869 | continue; |
| 2870 | |
| 2871 | for (o = 0; o < config->num_output; o++) { |
| 2872 | xf86OutputPtr output = config->output[o]; |
| 2873 | DisplayModePtr output_mode; |
| 2874 | |
| 2875 | /* skip outputs not on this crtc */ |
| 2876 | if (output->crtc != crtc) |
| 2877 | continue; |
| 2878 | |
| 2879 | if (crtc_mode) { |
| 2880 | output_mode = xf86OutputFindClosestMode(output, crtc_mode); |
| 2881 | if (output_mode != crtc_mode) |
| 2882 | output->crtc = NULL; |
| 2883 | } |
| 2884 | else |
| 2885 | crtc_mode = xf86OutputFindClosestMode(output, desired); |
| 2886 | } |
| 2887 | if (!crtc_mode) { |
| 2888 | crtc->enabled = FALSE; |
| 2889 | continue; |
| 2890 | } |
| 2891 | if (!xf86CrtcSetModeTransform(crtc, crtc_mode, rotation, NULL, 0, 0)) |
| 2892 | ok = FALSE; |
| 2893 | else { |
| 2894 | xf86SaveModeContents(&crtc->desiredMode, crtc_mode); |
| 2895 | crtc->desiredRotation = rotation; |
| 2896 | crtc->desiredTransformPresent = FALSE; |
| 2897 | crtc->desiredX = 0; |
| 2898 | crtc->desiredY = 0; |
| 2899 | } |
| 2900 | } |
| 2901 | xf86DisableUnusedFunctions(pScrn); |
| 2902 | #ifdef RANDR_12_INTERFACE |
| 2903 | xf86RandR12TellChanged(pScrn->pScreen); |
| 2904 | #endif |
| 2905 | return ok; |
| 2906 | } |
| 2907 | |
| 2908 | /** |
| 2909 | * Set the DPMS power mode of all outputs and CRTCs. |
| 2910 | * |
| 2911 | * If the new mode is off, it will turn off outputs and then CRTCs. |
| 2912 | * Otherwise, it will affect CRTCs before outputs. |
| 2913 | */ |
| 2914 | void |
| 2915 | xf86DPMSSet(ScrnInfoPtr scrn, int mode, int flags) |
| 2916 | { |
| 2917 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 2918 | int i; |
| 2919 | |
| 2920 | if (!scrn->vtSema) |
| 2921 | return; |
| 2922 | |
| 2923 | if (mode == DPMSModeOff) { |
| 2924 | for (i = 0; i < config->num_output; i++) { |
| 2925 | xf86OutputPtr output = config->output[i]; |
| 2926 | |
| 2927 | if (output->crtc != NULL) |
| 2928 | (*output->funcs->dpms) (output, mode); |
| 2929 | } |
| 2930 | } |
| 2931 | |
| 2932 | for (i = 0; i < config->num_crtc; i++) { |
| 2933 | xf86CrtcPtr crtc = config->crtc[i]; |
| 2934 | |
| 2935 | if (crtc->enabled) |
| 2936 | (*crtc->funcs->dpms) (crtc, mode); |
| 2937 | } |
| 2938 | |
| 2939 | if (mode != DPMSModeOff) { |
| 2940 | for (i = 0; i < config->num_output; i++) { |
| 2941 | xf86OutputPtr output = config->output[i]; |
| 2942 | |
| 2943 | if (output->crtc != NULL) |
| 2944 | (*output->funcs->dpms) (output, mode); |
| 2945 | } |
| 2946 | } |
| 2947 | } |
| 2948 | |
| 2949 | /** |
| 2950 | * Implement the screensaver by just calling down into the driver DPMS hooks. |
| 2951 | * |
| 2952 | * Even for monitors with no DPMS support, by the definition of our DPMS hooks, |
| 2953 | * the outputs will still get disabled (blanked). |
| 2954 | */ |
| 2955 | Bool |
| 2956 | xf86SaveScreen(ScreenPtr pScreen, int mode) |
| 2957 | { |
| 2958 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 2959 | |
| 2960 | if (xf86IsUnblank(mode)) |
| 2961 | xf86DPMSSet(pScrn, DPMSModeOn, 0); |
| 2962 | else |
| 2963 | xf86DPMSSet(pScrn, DPMSModeOff, 0); |
| 2964 | |
| 2965 | return TRUE; |
| 2966 | } |
| 2967 | |
| 2968 | /** |
| 2969 | * Disable all inactive crtcs and outputs |
| 2970 | */ |
| 2971 | void |
| 2972 | xf86DisableUnusedFunctions(ScrnInfoPtr pScrn) |
| 2973 | { |
| 2974 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 2975 | int o, c; |
| 2976 | |
| 2977 | for (o = 0; o < xf86_config->num_output; o++) { |
| 2978 | xf86OutputPtr output = xf86_config->output[o]; |
| 2979 | |
| 2980 | if (!output->crtc) |
| 2981 | (*output->funcs->dpms) (output, DPMSModeOff); |
| 2982 | } |
| 2983 | |
| 2984 | for (c = 0; c < xf86_config->num_crtc; c++) { |
| 2985 | xf86CrtcPtr crtc = xf86_config->crtc[c]; |
| 2986 | |
| 2987 | if (!crtc->enabled) { |
| 2988 | crtc->funcs->dpms(crtc, DPMSModeOff); |
| 2989 | memset(&crtc->mode, 0, sizeof(crtc->mode)); |
| 2990 | xf86RotateDestroy(crtc); |
| 2991 | crtc->active = FALSE; |
| 2992 | } |
| 2993 | } |
| 2994 | if (pScrn->pScreen) |
| 2995 | xf86_crtc_notify(pScrn->pScreen); |
| 2996 | if (pScrn->ModeSet) |
| 2997 | pScrn->ModeSet(pScrn); |
| 2998 | } |
| 2999 | |
| 3000 | #ifdef RANDR_12_INTERFACE |
| 3001 | |
| 3002 | #define EDID_ATOM_NAME "EDID" |
| 3003 | |
| 3004 | /** |
| 3005 | * Set the RandR EDID property |
| 3006 | */ |
| 3007 | static void |
| 3008 | xf86OutputSetEDIDProperty(xf86OutputPtr output, void *data, int data_len) |
| 3009 | { |
| 3010 | Atom edid_atom = MakeAtom(EDID_ATOM_NAME, sizeof(EDID_ATOM_NAME) - 1, TRUE); |
| 3011 | |
| 3012 | /* This may get called before the RandR resources have been created */ |
| 3013 | if (output->randr_output == NULL) |
| 3014 | return; |
| 3015 | |
| 3016 | if (data_len != 0) { |
| 3017 | RRChangeOutputProperty(output->randr_output, edid_atom, XA_INTEGER, 8, |
| 3018 | PropModeReplace, data_len, data, FALSE, TRUE); |
| 3019 | } |
| 3020 | else { |
| 3021 | RRDeleteOutputProperty(output->randr_output, edid_atom); |
| 3022 | } |
| 3023 | } |
| 3024 | |
| 3025 | #endif |
| 3026 | |
| 3027 | /* Pull out a phyiscal size from a detailed timing if available. */ |
| 3028 | struct det_phySize_parameter { |
| 3029 | xf86OutputPtr output; |
| 3030 | ddc_quirk_t quirks; |
| 3031 | Bool ret; |
| 3032 | }; |
| 3033 | |
| 3034 | static void |
| 3035 | handle_detailed_physical_size(struct detailed_monitor_section |
| 3036 | *det_mon, void *data) |
| 3037 | { |
| 3038 | struct det_phySize_parameter *p; |
| 3039 | |
| 3040 | p = (struct det_phySize_parameter *) data; |
| 3041 | |
| 3042 | if (p->ret == TRUE) |
| 3043 | return; |
| 3044 | |
| 3045 | xf86DetTimingApplyQuirks(det_mon, p->quirks, |
| 3046 | p->output->MonInfo->features.hsize, |
| 3047 | p->output->MonInfo->features.vsize); |
| 3048 | if (det_mon->type == DT && |
| 3049 | det_mon->section.d_timings.h_size != 0 && |
| 3050 | det_mon->section.d_timings.v_size != 0) { |
| 3051 | /* some sanity checking for aspect ratio: |
| 3052 | assume any h / v (or v / h) > 2.4 to be bogus. |
| 3053 | This would even include cinemascope */ |
| 3054 | if (((det_mon->section.d_timings.h_size * 5) < |
| 3055 | (det_mon->section.d_timings.v_size * 12)) && |
| 3056 | ((det_mon->section.d_timings.v_size * 5) < |
| 3057 | (det_mon->section.d_timings.h_size * 12))) { |
| 3058 | p->output->mm_width = det_mon->section.d_timings.h_size; |
| 3059 | p->output->mm_height = det_mon->section.d_timings.v_size; |
| 3060 | p->ret = TRUE; |
| 3061 | } else |
| 3062 | xf86DrvMsg(p->output->scrn->scrnIndex, X_WARNING, |
| 3063 | "Output %s: Strange aspect ratio (%i/%i), " |
| 3064 | "consider adding a quirk\n", p->output->name, |
| 3065 | det_mon->section.d_timings.h_size, |
| 3066 | det_mon->section.d_timings.v_size); |
| 3067 | } |
| 3068 | } |
| 3069 | |
| 3070 | /** |
| 3071 | * Set the EDID information for the specified output |
| 3072 | */ |
| 3073 | void |
| 3074 | xf86OutputSetEDID(xf86OutputPtr output, xf86MonPtr edid_mon) |
| 3075 | { |
| 3076 | ScrnInfoPtr scrn = output->scrn; |
| 3077 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 3078 | Bool debug_modes = config->debug_modes || xf86Initialising; |
| 3079 | |
| 3080 | #ifdef RANDR_12_INTERFACE |
| 3081 | int size; |
| 3082 | #endif |
| 3083 | |
| 3084 | free(output->MonInfo); |
| 3085 | |
| 3086 | output->MonInfo = edid_mon; |
| 3087 | output->mm_width = 0; |
| 3088 | output->mm_height = 0; |
| 3089 | |
| 3090 | if (debug_modes) { |
| 3091 | xf86DrvMsg(scrn->scrnIndex, X_INFO, "EDID for output %s\n", |
| 3092 | output->name); |
| 3093 | xf86PrintEDID(edid_mon); |
| 3094 | } |
| 3095 | |
| 3096 | /* Set the DDC properties for the 'compat' output */ |
| 3097 | if (output == xf86CompatOutput(scrn)) |
| 3098 | xf86SetDDCproperties(scrn, edid_mon); |
| 3099 | |
| 3100 | #ifdef RANDR_12_INTERFACE |
| 3101 | /* Set the RandR output properties */ |
| 3102 | size = 0; |
| 3103 | if (edid_mon) { |
| 3104 | if (edid_mon->ver.version == 1) { |
| 3105 | size = 128; |
| 3106 | if (edid_mon->flags & EDID_COMPLETE_RAWDATA) |
| 3107 | size += edid_mon->no_sections * 128; |
| 3108 | } |
| 3109 | else if (edid_mon->ver.version == 2) |
| 3110 | size = 256; |
| 3111 | } |
| 3112 | xf86OutputSetEDIDProperty(output, edid_mon ? edid_mon->rawData : NULL, |
| 3113 | size); |
| 3114 | #endif |
| 3115 | |
| 3116 | if (edid_mon) { |
| 3117 | |
| 3118 | struct det_phySize_parameter p; |
| 3119 | |
| 3120 | p.output = output; |
| 3121 | p.quirks = xf86DDCDetectQuirks(scrn->scrnIndex, edid_mon, FALSE); |
| 3122 | p.ret = FALSE; |
| 3123 | xf86ForEachDetailedBlock(edid_mon, handle_detailed_physical_size, &p); |
| 3124 | |
| 3125 | /* if no mm size is available from a detailed timing, check the max size field */ |
| 3126 | if ((!output->mm_width || !output->mm_height) && |
| 3127 | (edid_mon->features.hsize && edid_mon->features.vsize)) { |
| 3128 | output->mm_width = edid_mon->features.hsize * 10; |
| 3129 | output->mm_height = edid_mon->features.vsize * 10; |
| 3130 | } |
| 3131 | } |
| 3132 | } |
| 3133 | |
| 3134 | /** |
| 3135 | * Return the list of modes supported by the EDID information |
| 3136 | * stored in 'output' |
| 3137 | */ |
| 3138 | DisplayModePtr |
| 3139 | xf86OutputGetEDIDModes(xf86OutputPtr output) |
| 3140 | { |
| 3141 | ScrnInfoPtr scrn = output->scrn; |
| 3142 | xf86MonPtr edid_mon = output->MonInfo; |
| 3143 | |
| 3144 | if (!edid_mon) |
| 3145 | return NULL; |
| 3146 | return xf86DDCGetModes(scrn->scrnIndex, edid_mon); |
| 3147 | } |
| 3148 | |
| 3149 | /* maybe we should care about DDC1? meh. */ |
| 3150 | xf86MonPtr |
| 3151 | xf86OutputGetEDID(xf86OutputPtr output, I2CBusPtr pDDCBus) |
| 3152 | { |
| 3153 | ScrnInfoPtr scrn = output->scrn; |
| 3154 | xf86MonPtr mon; |
| 3155 | |
| 3156 | mon = xf86DoEEDID(scrn, pDDCBus, TRUE); |
| 3157 | if (mon) |
| 3158 | xf86DDCApplyQuirks(scrn->scrnIndex, mon); |
| 3159 | |
| 3160 | return mon; |
| 3161 | } |
| 3162 | |
| 3163 | static const char *_xf86ConnectorNames[] = { |
| 3164 | "None", "VGA", "DVI-I", "DVI-D", |
| 3165 | "DVI-A", "Composite", "S-Video", |
| 3166 | "Component", "LFP", "Proprietary", |
| 3167 | "HDMI", "DisplayPort", |
| 3168 | }; |
| 3169 | |
| 3170 | const char * |
| 3171 | xf86ConnectorGetName(xf86ConnectorType connector) |
| 3172 | { |
| 3173 | return _xf86ConnectorNames[connector]; |
| 3174 | } |
| 3175 | |
| 3176 | static void |
| 3177 | x86_crtc_box_intersect(BoxPtr dest, BoxPtr a, BoxPtr b) |
| 3178 | { |
| 3179 | dest->x1 = a->x1 > b->x1 ? a->x1 : b->x1; |
| 3180 | dest->x2 = a->x2 < b->x2 ? a->x2 : b->x2; |
| 3181 | dest->y1 = a->y1 > b->y1 ? a->y1 : b->y1; |
| 3182 | dest->y2 = a->y2 < b->y2 ? a->y2 : b->y2; |
| 3183 | |
| 3184 | if (dest->x1 >= dest->x2 || dest->y1 >= dest->y2) |
| 3185 | dest->x1 = dest->x2 = dest->y1 = dest->y2 = 0; |
| 3186 | } |
| 3187 | |
| 3188 | static void |
| 3189 | x86_crtc_box(xf86CrtcPtr crtc, BoxPtr crtc_box) |
| 3190 | { |
| 3191 | if (crtc->enabled) { |
| 3192 | crtc_box->x1 = crtc->x; |
| 3193 | crtc_box->x2 = crtc->x + xf86ModeWidth(&crtc->mode, crtc->rotation); |
| 3194 | crtc_box->y1 = crtc->y; |
| 3195 | crtc_box->y2 = crtc->y + xf86ModeHeight(&crtc->mode, crtc->rotation); |
| 3196 | } |
| 3197 | else |
| 3198 | crtc_box->x1 = crtc_box->x2 = crtc_box->y1 = crtc_box->y2 = 0; |
| 3199 | } |
| 3200 | |
| 3201 | static int |
| 3202 | xf86_crtc_box_area(BoxPtr box) |
| 3203 | { |
| 3204 | return (int) (box->x2 - box->x1) * (int) (box->y2 - box->y1); |
| 3205 | } |
| 3206 | |
| 3207 | #ifdef XV |
| 3208 | /* |
| 3209 | * Return the crtc covering 'box'. If two crtcs cover a portion of |
| 3210 | * 'box', then prefer 'desired'. If 'desired' is NULL, then prefer the crtc |
| 3211 | * with greater coverage |
| 3212 | */ |
| 3213 | |
| 3214 | static xf86CrtcPtr |
| 3215 | xf86_covering_crtc(ScrnInfoPtr pScrn, |
| 3216 | BoxPtr box, xf86CrtcPtr desired, BoxPtr crtc_box_ret) |
| 3217 | { |
| 3218 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 3219 | xf86CrtcPtr crtc, best_crtc; |
| 3220 | int coverage, best_coverage; |
| 3221 | int c; |
| 3222 | BoxRec crtc_box, cover_box; |
| 3223 | |
| 3224 | best_crtc = NULL; |
| 3225 | best_coverage = 0; |
| 3226 | crtc_box_ret->x1 = 0; |
| 3227 | crtc_box_ret->x2 = 0; |
| 3228 | crtc_box_ret->y1 = 0; |
| 3229 | crtc_box_ret->y2 = 0; |
| 3230 | for (c = 0; c < xf86_config->num_crtc; c++) { |
| 3231 | crtc = xf86_config->crtc[c]; |
| 3232 | x86_crtc_box(crtc, &crtc_box); |
| 3233 | x86_crtc_box_intersect(&cover_box, &crtc_box, box); |
| 3234 | coverage = xf86_crtc_box_area(&cover_box); |
| 3235 | if (coverage && crtc == desired) { |
| 3236 | *crtc_box_ret = crtc_box; |
| 3237 | return crtc; |
| 3238 | } |
| 3239 | else if (coverage > best_coverage) { |
| 3240 | *crtc_box_ret = crtc_box; |
| 3241 | best_crtc = crtc; |
| 3242 | best_coverage = coverage; |
| 3243 | } |
| 3244 | } |
| 3245 | return best_crtc; |
| 3246 | } |
| 3247 | |
| 3248 | /* |
| 3249 | * For overlay video, compute the relevant CRTC and |
| 3250 | * clip video to that. |
| 3251 | * |
| 3252 | * returning FALSE means there was a memory failure of some kind, |
| 3253 | * not that the video shouldn't be displayed |
| 3254 | */ |
| 3255 | |
| 3256 | Bool |
| 3257 | xf86_crtc_clip_video_helper(ScrnInfoPtr pScrn, |
| 3258 | xf86CrtcPtr * crtc_ret, |
| 3259 | xf86CrtcPtr desired_crtc, |
| 3260 | BoxPtr dst, |
| 3261 | INT32 *xa, |
| 3262 | INT32 *xb, |
| 3263 | INT32 *ya, |
| 3264 | INT32 *yb, RegionPtr reg, INT32 width, INT32 height) |
| 3265 | { |
| 3266 | Bool ret; |
| 3267 | RegionRec crtc_region_local; |
| 3268 | RegionPtr crtc_region = reg; |
| 3269 | |
| 3270 | if (crtc_ret) { |
| 3271 | BoxRec crtc_box; |
| 3272 | xf86CrtcPtr crtc = xf86_covering_crtc(pScrn, dst, |
| 3273 | desired_crtc, |
| 3274 | &crtc_box); |
| 3275 | |
| 3276 | if (crtc) { |
| 3277 | RegionInit(&crtc_region_local, &crtc_box, 1); |
| 3278 | crtc_region = &crtc_region_local; |
| 3279 | RegionIntersect(crtc_region, crtc_region, reg); |
| 3280 | } |
| 3281 | *crtc_ret = crtc; |
| 3282 | } |
| 3283 | |
| 3284 | ret = xf86XVClipVideoHelper(dst, xa, xb, ya, yb, |
| 3285 | crtc_region, width, height); |
| 3286 | |
| 3287 | if (crtc_region != reg) |
| 3288 | RegionUninit(&crtc_region_local); |
| 3289 | |
| 3290 | return ret; |
| 3291 | } |
| 3292 | #endif |
| 3293 | |
| 3294 | xf86_crtc_notify_proc_ptr |
| 3295 | xf86_wrap_crtc_notify(ScreenPtr screen, xf86_crtc_notify_proc_ptr new) |
| 3296 | { |
| 3297 | if (xf86CrtcConfigPrivateIndex != -1) { |
| 3298 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 3299 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 3300 | xf86_crtc_notify_proc_ptr old; |
| 3301 | |
| 3302 | old = config->xf86_crtc_notify; |
| 3303 | config->xf86_crtc_notify = new; |
| 3304 | return old; |
| 3305 | } |
| 3306 | return NULL; |
| 3307 | } |
| 3308 | |
| 3309 | void |
| 3310 | xf86_unwrap_crtc_notify(ScreenPtr screen, xf86_crtc_notify_proc_ptr old) |
| 3311 | { |
| 3312 | if (xf86CrtcConfigPrivateIndex != -1) { |
| 3313 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 3314 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 3315 | |
| 3316 | config->xf86_crtc_notify = old; |
| 3317 | } |
| 3318 | } |
| 3319 | |
| 3320 | void |
| 3321 | xf86_crtc_notify(ScreenPtr screen) |
| 3322 | { |
| 3323 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 3324 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 3325 | |
| 3326 | if (config->xf86_crtc_notify) |
| 3327 | config->xf86_crtc_notify(screen); |
| 3328 | } |
| 3329 | |
| 3330 | Bool |
| 3331 | xf86_crtc_supports_gamma(ScrnInfoPtr pScrn) |
| 3332 | { |
| 3333 | if (xf86CrtcConfigPrivateIndex != -1) { |
| 3334 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 3335 | xf86CrtcPtr crtc; |
| 3336 | |
| 3337 | /* for multiple drivers loaded we need this */ |
| 3338 | if (!xf86_config) |
| 3339 | return FALSE; |
| 3340 | if (xf86_config->num_crtc == 0) |
| 3341 | return FALSE; |
| 3342 | crtc = xf86_config->crtc[0]; |
| 3343 | |
| 3344 | return crtc->funcs->gamma_set != NULL; |
| 3345 | } |
| 3346 | |
| 3347 | return FALSE; |
| 3348 | } |
| 3349 | |
| 3350 | void |
| 3351 | xf86ProviderSetup(ScrnInfoPtr scrn, |
| 3352 | const xf86ProviderFuncsRec *funcs, const char *name) |
| 3353 | { |
| 3354 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 3355 | |
| 3356 | assert(!xf86_config->name); |
| 3357 | assert(name); |
| 3358 | |
| 3359 | xf86_config->name = strdup(name); |
| 3360 | xf86_config->provider_funcs = funcs; |
| 3361 | #ifdef RANDR_12_INTERFACE |
| 3362 | xf86_config->randr_provider = NULL; |
| 3363 | #endif |
| 3364 | } |
| 3365 | |
| 3366 | void |
| 3367 | xf86DetachAllCrtc(ScrnInfoPtr scrn) |
| 3368 | { |
| 3369 | xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn); |
| 3370 | int i; |
| 3371 | |
| 3372 | for (i = 0; i < xf86_config->num_crtc; i++) { |
| 3373 | xf86CrtcPtr crtc = xf86_config->crtc[i]; |
| 3374 | |
| 3375 | if (crtc->randr_crtc) |
| 3376 | RRCrtcDetachScanoutPixmap(crtc->randr_crtc); |
| 3377 | |
| 3378 | /* dpms off */ |
| 3379 | (*crtc->funcs->dpms) (crtc, DPMSModeOff); |
| 3380 | /* force a reset the next time its used */ |
| 3381 | crtc->randr_crtc->mode = NULL; |
| 3382 | crtc->mode.HDisplay = 0; |
| 3383 | crtc->x = crtc->y = 0; |
| 3384 | } |
| 3385 | } |