git.oblomov.eu Git - nouveau/blob - src/nv50_sor.c

   1 /*
   2  * Copyright (c) 2007 NVIDIA, Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included
  13  * in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #define DPMS_SERVER
  25 #include <X11/extensions/dpms.h>
  26 #include <X11/Xatom.h>
  27
  28 #include "nv_include.h"
  29 #include "nv50_type.h"
  30 #include "nv50_display.h"
  31 #include "nv50_output.h"
  32
  33 void
  34 NV50SorSetPClk(xf86OutputPtr output, int pclk)
  35 {
  36         NV50OutputPrivPtr nv_output = output->driver_private;
  37         ScrnInfoPtr pScrn = output->scrn;
  38         NVPtr pNv = NVPTR(pScrn);
  39         const int limit = 165000;
  40
  41         NVWrite(pNv, 0x00614300 + nv_output->or * 0x800, (pclk > limit) ? 0x101 : 0);
  42 }
  43
  44 static void
  45 NV50SorDPMSSet(xf86OutputPtr output, int mode)
  46 {
  47         NV50OutputPrivPtr nv_output = output->driver_private;
  48         ScrnInfoPtr pScrn = output->scrn;
  49         NVPtr pNv = NVPTR(pScrn);
  50         CARD32 tmp;
  51
  52         while((NVRead(pNv, 0x0061c004 + nv_output->or * 0x800) & 0x80000000));
  53
  54         tmp = NVRead(pNv, 0x0061c004 + nv_output->or * 0x800);
  55         tmp |= 0x80000000;
  56
  57         if(mode == DPMSModeOn)
  58                 tmp |= 1;
  59         else
  60                 tmp &= ~1;
  61
  62         NVWrite(pNv, 0x0061c004 + nv_output->or * 0x800, tmp);
  63         while((NVRead(pNv, 0x0061c030 + nv_output->or * 0x800) & 0x10000000));
  64 }
  65
  66 static int
  67 NV50TMDSModeValid(xf86OutputPtr output, DisplayModePtr mode)
  68 {
  69         // Disable dual-link modes until I can find a way to make them work
  70         // reliably.
  71         if (mode->Clock > 165000)
  72                 return MODE_CLOCK_HIGH;
  73
  74         return NV50OutputModeValid(output, mode);
  75 }
  76
  77 static int
  78 NV50LVDSModeValid(xf86OutputPtr output, DisplayModePtr mode)
  79 {
  80         NV50OutputPrivPtr nv_output = output->driver_private;
  81         DisplayModePtr native = nv_output->nativeMode;
  82
  83         // Ignore modes larger than the native res.
  84         if (mode->HDisplay > native->HDisplay || mode->VDisplay > native->VDisplay)
  85                 return MODE_PANEL;
  86
  87         return NV50OutputModeValid(output, mode);
  88 }
  89
  90 static void
  91 NV50SorModeSet(xf86OutputPtr output, DisplayModePtr mode,
  92                 DisplayModePtr adjusted_mode)
  93 {
  94         ScrnInfoPtr pScrn = output->scrn;
  95         NV50OutputPrivPtr nv_output = output->driver_private;
  96         const int sorOff = 0x40 * nv_output->or;
  97         CARD32 type;
  98
  99         if(!adjusted_mode) {
 100                 /* Disconnect the SOR */
 101                 NV50DisplayCommand(pScrn, 0x600 + sorOff, 0);
 102                 return;
 103         }
 104
 105         if (nv_output->type == OUTPUT_LVDS) {
 106                 type = 0;
 107         } else
 108         if (adjusted_mode->Clock > 165000) {
 109                 type = 0x500;
 110         } else {
 111                 type = 0x100;
 112         }
 113
 114         // This wouldn't be necessary, but the server is stupid and calls
 115         // NV50SorDPMSSet after the output is disconnected, even though the hardware
 116         // turns it off automatically.
 117         NV50SorDPMSSet(output, DPMSModeOn);
 118
 119         NV50DisplayCommand(pScrn, 0x600 + sorOff,
 120                 (NV50CrtcGetHead(output->crtc) == HEAD0 ? 1 : 2) | type |
 121                 ((adjusted_mode->Flags & V_NHSYNC) ? 0x1000 : 0) |
 122                 ((adjusted_mode->Flags & V_NVSYNC) ? 0x2000 : 0));
 123
 124         NV50CrtcSetScale(output->crtc, adjusted_mode, nv_output->scale);
 125 }
 126
 127 static xf86OutputStatus
 128 NV50SorDetect(xf86OutputPtr output)
 129 {
 130         NV50OutputPrivPtr nv_output = output->driver_private;
 131         xf86MonPtr ddc_mon;
 132
 133         if (nv_output->pDDCBus == NULL)
 134                 return XF86OutputStatusDisconnected;
 135
 136         ddc_mon = xf86OutputGetEDID(output, nv_output->pDDCBus);
 137         if (!ddc_mon)
 138                 return XF86OutputStatusDisconnected;
 139
 140         if (!ddc_mon->features.input_type) /* Analog? */
 141                 return XF86OutputStatusDisconnected;
 142
 143         return XF86OutputStatusConnected;
 144 }
 145
 146 static xf86OutputStatus
 147 NV50SorLVDSDetect(xf86OutputPtr output)
 148 {
 149         /* Assume LVDS is always connected */
 150         return XF86OutputStatusConnected;
 151 }
 152
 153 static void
 154 NV50SorDestroy(xf86OutputPtr output)
 155 {
 156         NV50OutputPrivPtr nv_output = output->driver_private;
 157
 158         NV50OutputDestroy(output);
 159
 160         xf86DeleteMode(&nv_output->nativeMode, nv_output->nativeMode);
 161
 162         xfree(output->driver_private);
 163         output->driver_private = NULL;
 164 }
 165
 166 static void
 167 NV50SorSetModeBackend(DisplayModePtr dst, const DisplayModePtr src)
 168 {
 169         // Stash the backend mode timings from src into dst
 170         dst->Clock           = src->Clock;
 171         dst->Flags           = src->Flags;
 172         dst->CrtcHDisplay    = src->CrtcHDisplay;
 173         dst->CrtcHBlankStart = src->CrtcHBlankStart;
 174         dst->CrtcHSyncStart  = src->CrtcHSyncStart;
 175         dst->CrtcHSyncEnd    = src->CrtcHSyncEnd;
 176         dst->CrtcHBlankEnd   = src->CrtcHBlankEnd;
 177         dst->CrtcHTotal      = src->CrtcHTotal;
 178         dst->CrtcHSkew       = src->CrtcHSkew;
 179         dst->CrtcVDisplay    = src->CrtcVDisplay;
 180         dst->CrtcVBlankStart = src->CrtcVBlankStart;
 181         dst->CrtcVSyncStart  = src->CrtcVSyncStart;
 182         dst->CrtcVSyncEnd    = src->CrtcVSyncEnd;
 183         dst->CrtcVBlankEnd   = src->CrtcVBlankEnd;
 184         dst->CrtcVTotal      = src->CrtcVTotal;
 185         dst->CrtcHAdjusted   = src->CrtcHAdjusted;
 186         dst->CrtcVAdjusted   = src->CrtcVAdjusted;
 187 }
 188
 189 static Bool
 190 NV50SorModeFixup(xf86OutputPtr output, DisplayModePtr mode,
 191                  DisplayModePtr adjusted_mode)
 192 {
 193         NV50OutputPrivPtr nv_output = output->driver_private;
 194         DisplayModePtr native = nv_output->nativeMode;
 195
 196         if(native && nv_output->scale != SCALE_PANEL) {
 197                 NV50SorSetModeBackend(adjusted_mode, native);
 198                 // This mode is already "fixed"
 199                 NV50CrtcSkipModeFixup(output->crtc);
 200         }
 201
 202         return TRUE;
 203 }
 204
 205 static Bool
 206 NV50SorTMDSModeFixup(xf86OutputPtr output, DisplayModePtr mode,
 207                         DisplayModePtr adjusted_mode)
 208 {
 209         int scrnIndex = output->scrn->scrnIndex;
 210         NV50OutputPrivPtr nv_output = output->driver_private;
 211         DisplayModePtr modes = output->probed_modes;
 212
 213         xf86DeleteMode(&nv_output->nativeMode, nv_output->nativeMode);
 214
 215         if(modes) {
 216                 // Find the preferred mode and use that as the "native" mode.
 217                 // If no preferred mode is available, use the first one.
 218                 DisplayModePtr mode;
 219
 220                 // Find the preferred mode.
 221                 for(mode = modes; mode; mode = mode->next) {
 222                         if(mode->type & M_T_PREFERRED) {
 223                                 xf86DrvMsgVerb(scrnIndex, X_INFO, 5,
 224                                                 "%s: preferred mode is %s\n",
 225                                                 output->name, mode->name);
 226                                 break;
 227                         }
 228                 }
 229
 230                 // XXX: May not want to allow scaling if no preferred mode is found.
 231                 if(!mode) {
 232                         mode = modes;
 233                         xf86DrvMsgVerb(scrnIndex, X_INFO, 5,
 234                                 "%s: no preferred mode found, using %s\n",
 235                                 output->name, mode->name);
 236                 }
 237
 238                 nv_output->nativeMode = xf86DuplicateMode(mode);
 239                 NV50CrtcDoModeFixup(nv_output->nativeMode, mode);
 240         }
 241
 242         return NV50SorModeFixup(output, mode, adjusted_mode);
 243 }
 244
 245 static DisplayModePtr
 246 NV50SorGetLVDSModes(xf86OutputPtr output)
 247 {
 248         NV50OutputPrivPtr nv_output = output->driver_private;
 249         return xf86DuplicateMode(nv_output->nativeMode);
 250 }
 251
 252 #define MAKE_ATOM(a) MakeAtom((a), sizeof(a) - 1, TRUE);
 253
 254 struct property {
 255         Atom atom;
 256         INT32 range[2];
 257 };
 258
 259 static struct {
 260         struct property dither;
 261         struct property scale;
 262 } properties;
 263
 264 static void
 265 NV50SorCreateResources(xf86OutputPtr output)
 266 {
 267         ScrnInfoPtr pScrn = output->scrn;
 268         NVPtr pNv = NVPTR(pScrn);
 269         int data, err;
 270         const char *s;
 271
 272         /******** dithering ********/
 273         properties.dither.atom = MAKE_ATOM("dither");
 274         properties.dither.range[0] = 0;
 275         properties.dither.range[1] = 1;
 276         err = RRConfigureOutputProperty(output->randr_output,
 277                                         properties.dither.atom, FALSE, TRUE, FALSE,
 278                                         2, properties.dither.range);
 279         if(err)
 280                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 281                         "Failed to configure dithering property for %s: error %d\n",
 282                         output->name, err);
 283
 284         // Set the default value
 285         data = pNv->FPDither;
 286         err = RRChangeOutputProperty(output->randr_output, properties.dither.atom,
 287                                         XA_INTEGER, 32, PropModeReplace, 1, &data,
 288                                         FALSE, FALSE);
 289         if(err)
 290                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 291                         "Failed to set dithering property for %s: error %d\n",
 292                         output->name, err);
 293
 294         /******** scaling ********/
 295         properties.scale.atom = MAKE_ATOM("scale");
 296         err = RRConfigureOutputProperty(output->randr_output,
 297                                         properties.scale.atom, FALSE, FALSE,
 298                                         FALSE, 0, NULL);
 299         if(err)
 300                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 301                         "Failed to configure scaling property for %s: error %d\n",
 302                         output->name, err);
 303
 304         // Set the default value
 305         s = "aspect";
 306         err = RRChangeOutputProperty(output->randr_output, properties.scale.atom,
 307                                         XA_STRING, 8, PropModeReplace, strlen(s),
 308                                         (pointer)s, FALSE, FALSE);
 309         if(err)
 310                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 311                         "Failed to set scaling property for %s: error %d\n",
 312                         output->name, err);
 313 }
 314
 315 static Bool
 316 NV50SorSetProperty(xf86OutputPtr output, Atom prop, RRPropertyValuePtr val)
 317 {
 318         NV50OutputPrivPtr nv_output = output->driver_private;
 319
 320         if(prop == properties.dither.atom) {
 321                 INT32 i;
 322
 323                 if (val->type != XA_INTEGER || val->format != 32 || val->size != 1)
 324                         return FALSE;
 325
 326                 i = *(INT32*)val->data;
 327                 if (i < properties.dither.range[0] || i > properties.dither.range[1])
 328                         return FALSE;
 329
 330                 NV50CrtcSetDither(output->crtc, i, TRUE);
 331                 return TRUE;
 332         } else if (prop == properties.scale.atom) {
 333                 const char *s;
 334                 enum scaling_modes oldScale, scale;
 335                 int i;
 336                 const struct {
 337                         const char *name;
 338                         enum scaling_modes scale;
 339                 } modes[] = {
 340                         { "panel", SCALE_PANEL },
 341                         { "aspect", SCALE_ASPECT },
 342                         { "fullscreen",   SCALE_FULLSCREEN },
 343                         { "noscale", SCALE_NOSCALE },
 344                         { NULL,     0 },
 345                 };
 346
 347                 if (val->type != XA_STRING || val->format != 8)
 348                         return FALSE;
 349                 s = (char*)val->data;
 350
 351                 for (i = 0; modes[i].name; i++) {
 352                         const char *name = modes[i].name;
 353                         const int len = strlen(name);
 354
 355                         if(val->size == len && !strncmp(name, s, len)) {
 356                                 scale = modes[i].scale;
 357                                 break;
 358                         }
 359                 }
 360                 if (!modes[i].name)
 361                         return FALSE;
 362                 if (scale == SCALE_PANEL && nv_output->type == OUTPUT_LVDS)
 363                         // LVDS requires scaling
 364                         return FALSE;
 365
 366                 oldScale = nv_output->scale;
 367                 nv_output->scale = scale;
 368                 if (output->crtc) {
 369                         xf86CrtcPtr crtc = output->crtc;
 370
 371                         if (!xf86CrtcSetMode(crtc, &crtc->desiredMode, crtc->desiredRotation,
 372                                         crtc->desiredX, crtc->desiredY)) {
 373                                 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
 374                                                 "Failed to set scaling to %s for output %s\n",
 375                                                 modes[i].name, output->name);
 376
 377                                 // Restore old scale and try again.
 378                                 nv_output->scale = oldScale;
 379                                 if (!xf86CrtcSetMode(crtc, &crtc->desiredMode,
 380                                                         crtc->desiredRotation, crtc->desiredX,
 381                                                         crtc->desiredY)) {
 382                                         xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
 383                                                 "Failed to restore old scaling for output %s\n",
 384                                                 output->name);
 385                                 }
 386
 387                                 return FALSE;
 388                         }
 389                 }
 390                 return TRUE;
 391         }
 392
 393         return FALSE;
 394 }
 395
 396 static const xf86OutputFuncsRec NV50SorTMDSOutputFuncs = {
 397         .dpms = NV50SorDPMSSet,
 398         .save = NULL,
 399         .restore = NULL,
 400         .mode_valid = NV50TMDSModeValid,
 401         .mode_fixup = NV50SorTMDSModeFixup,
 402         .prepare = NV50OutputPrepare,
 403         .commit = NV50OutputCommit,
 404         .mode_set = NV50SorModeSet,
 405         .detect = NV50SorDetect,
 406         .get_modes = NV50OutputGetDDCModes,
 407         .create_resources = NV50SorCreateResources,
 408         .set_property = NV50SorSetProperty,
 409         .destroy = NV50SorDestroy,
 410 };
 411
 412 static const xf86OutputFuncsRec NV50SorLVDSOutputFuncs = {
 413         .dpms = NV50SorDPMSSet,
 414         .save = NULL,
 415         .restore = NULL,
 416         .mode_valid = NV50LVDSModeValid,
 417         .mode_fixup = NV50SorModeFixup,
 418         .prepare = NV50OutputPrepare,
 419         .commit = NV50OutputCommit,
 420         .mode_set = NV50SorModeSet,
 421         .detect = NV50SorLVDSDetect,
 422         .get_modes = NV50SorGetLVDSModes,
 423         .create_resources = NV50SorCreateResources,
 424         .set_property = NV50SorSetProperty,
 425         .destroy = NV50SorDestroy,
 426 };
 427
 428 static DisplayModePtr
 429 ReadLVDSNativeMode(ScrnInfoPtr pScrn, const int off)
 430 {
 431         NVPtr pNv = NVPTR(pScrn);
 432         DisplayModePtr mode = xnfcalloc(1, sizeof(DisplayModeRec));
 433         const CARD32 size = NVRead(pNv, 0x00610b4c + off);
 434         const int width = size & 0x3fff;
 435         const int height = (size >> 16) & 0x3fff;
 436
 437         mode->HDisplay = mode->CrtcHDisplay = width;
 438         mode->VDisplay = mode->CrtcVDisplay = height;
 439         mode->Clock = NVRead(pNv, 0x00610ad4 + off) & 0x3fffff;
 440         mode->CrtcHBlankStart = NVRead(pNv, 0x00610afc + off);
 441         mode->CrtcHSyncEnd = NVRead(pNv, 0x00610b04 + off);
 442         mode->CrtcHBlankEnd = NVRead(pNv, 0x00610ae8 + off);
 443         mode->CrtcHTotal = NVRead(pNv, 0x00610af4 + off);
 444
 445         mode->next = mode->prev = NULL;
 446         mode->status = MODE_OK;
 447         mode->type = M_T_DRIVER | M_T_PREFERRED;
 448
 449         xf86SetModeDefaultName(mode);
 450
 451         return mode;
 452 }
 453
 454 static DisplayModePtr
 455 GetLVDSNativeMode(ScrnInfoPtr pScrn)
 456 {
 457         NVPtr pNv = NVPTR(pScrn);
 458         CARD32 val = NVRead(pNv, 0x00610050);
 459
 460         if ((val & 0x3) == 0x2) {
 461                 return ReadLVDSNativeMode(pScrn, 0);
 462         } else if ((val & 0x300) == 0x200) {
 463                 return ReadLVDSNativeMode(pScrn, 0x540);
 464         }
 465
 466         return NULL;
 467 }
 468
 469 xf86OutputPtr
 470 NV50CreateSor(ScrnInfoPtr pScrn, ORNum or, NVOutputType type)
 471 {
 472         NV50OutputPrivPtr nv_output = xnfcalloc(sizeof(*nv_output), 1);
 473         NVPtr pNv = NVPTR(pScrn);
 474         xf86OutputPtr output;
 475         char orName[5];
 476         const xf86OutputFuncsRec *funcs;
 477
 478         if(!nv_output)
 479                 return NULL;
 480
 481         if(type == OUTPUT_LVDS) {
 482                 strcpy(orName, "LVDS");
 483                 funcs = &NV50SorLVDSOutputFuncs;
 484
 485                 nv_output->nativeMode = GetLVDSNativeMode(pScrn);
 486
 487                 if(!nv_output->nativeMode) {
 488                         xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 489                                 "Failed to find LVDS native mode\n");
 490                         xfree(nv_output);
 491                         return NULL;
 492                 }
 493
 494                 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "%s native size %dx%d\n",
 495                         orName, nv_output->nativeMode->HDisplay,
 496                         nv_output->nativeMode->VDisplay);
 497         } else {
 498                 snprintf(orName, 5, "DVI%d", or);
 499                 funcs = &NV50SorTMDSOutputFuncs;
 500         }
 501
 502         output = xf86OutputCreate(pScrn, funcs, orName);
 503
 504         nv_output->or = or;
 505         nv_output->type = type;
 506         output->driver_private = nv_output;
 507         output->interlaceAllowed = TRUE;
 508         output->doubleScanAllowed = TRUE;
 509
 510         if (type != OUTPUT_LVDS) {
 511                 NVWrite(pNv, 0x0061c00c + nv_output->or * 0x800, 0x03010700);
 512                 NVWrite(pNv, 0x0061c010 + nv_output->or * 0x800, 0x0000152f);
 513                 NVWrite(pNv, 0x0061c014 + nv_output->or * 0x800, 0x00000000);
 514                 NVWrite(pNv, 0x0061c018 + nv_output->or * 0x800, 0x00245af8);
 515         }
 516
 517         return output;
 518 }
 519