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 static void
  34 NV50SorSetPClk(xf86OutputPtr output, int pclk)
  35 {
  36         const int limit = 165000;
  37
  38         NV50OutputWrite(output, 0x4300, (pclk > limit) ? 0x101 : 0);
  39 }
  40
  41 static void
  42 NV50SorDPMSSet(xf86OutputPtr output, int mode)
  43 {
  44         CARD32 tmp;
  45
  46         while((NV50OutputRead(output, 0xc004) & 0x80000000));
  47
  48         tmp = NV50OutputRead(output, 0xc004);
  49         tmp |= 0x80000000;
  50
  51         if(mode == DPMSModeOn)
  52                 tmp |= 1;
  53         else
  54                 tmp &= ~1;
  55
  56         NV50OutputWrite(output, 0xc004, tmp);
  57         while((NV50OutputRead(output, 0xc030) & 0x10000000));
  58 }
  59
  60 static int
  61 NV50TMDSModeValid(xf86OutputPtr output, DisplayModePtr mode)
  62 {
  63         // Disable dual-link modes until I can find a way to make them work
  64         // reliably.
  65         if (mode->Clock > 165000)
  66                 return MODE_CLOCK_HIGH;
  67
  68         return NV50OutputModeValid(output, mode);
  69 }
  70
  71 static int
  72 NV50LVDSModeValid(xf86OutputPtr output, DisplayModePtr mode)
  73 {
  74         NV50OutputPrivPtr nv_output = output->driver_private;
  75         DisplayModePtr native = nv_output->nativeMode;
  76
  77         // Ignore modes larger than the native res.
  78         if (mode->HDisplay > native->HDisplay || mode->VDisplay > native->VDisplay)
  79                 return MODE_PANEL;
  80
  81         return NV50OutputModeValid(output, mode);
  82 }
  83
  84 static void
  85 NV50SorModeSet(xf86OutputPtr output, DisplayModePtr mode,
  86                 DisplayModePtr adjusted_mode)
  87 {
  88         ScrnInfoPtr pScrn = output->scrn;
  89         NV50OutputPrivPtr nv_output = output->driver_private;
  90         const int sorOff = 0x40 * nv_output->or;
  91         CARD32 type;
  92
  93         if(!adjusted_mode) {
  94                 /* Disconnect the SOR */
  95                 NV50DisplayCommand(pScrn, 0x600 + sorOff, 0);
  96                 return;
  97         }
  98
  99         if (nv_output->panelType == LVDS) {
 100                 type = 0;
 101         } else
 102         if (adjusted_mode->Clock > 165000) {
 103                 type = 0x500;
 104         } else {
 105                 type = 0x100;
 106         }
 107
 108         // This wouldn't be necessary, but the server is stupid and calls
 109         // NV50SorDPMSSet after the output is disconnected, even though the hardware
 110         // turns it off automatically.
 111         NV50SorDPMSSet(output, DPMSModeOn);
 112
 113         NV50DisplayCommand(pScrn, 0x600 + sorOff,
 114                 (NV50CrtcGetHead(output->crtc) == HEAD0 ? 1 : 2) | type |
 115                 ((adjusted_mode->Flags & V_NHSYNC) ? 0x1000 : 0) |
 116                 ((adjusted_mode->Flags & V_NVSYNC) ? 0x2000 : 0));
 117
 118         NV50CrtcSetScale(output->crtc, adjusted_mode, nv_output->scale);
 119 }
 120
 121 static xf86OutputStatus
 122 NV50SorDetect(xf86OutputPtr output)
 123 {
 124         NV50OutputPrivPtr nv_output = output->driver_private;
 125
 126         /* Assume physical status isn't going to change before the BlockHandler */
 127         if(nv_output->cached_status != XF86OutputStatusUnknown)
 128                 return nv_output->cached_status;
 129
 130         NV50OutputPartnersDetect(nv_output->partner, output, nv_output->i2c);
 131         return nv_output->cached_status;
 132 }
 133
 134 static xf86OutputStatus
 135 NV50SorLVDSDetect(xf86OutputPtr output)
 136 {
 137         /* Assume LVDS is always connected */
 138         return XF86OutputStatusConnected;
 139 }
 140
 141 static void
 142 NV50SorDestroy(xf86OutputPtr output)
 143 {
 144         NV50OutputPrivPtr nv_output = output->driver_private;
 145
 146         NV50OutputDestroy(output);
 147
 148         xf86DeleteMode(&nv_output->nativeMode, nv_output->nativeMode);
 149
 150         xfree(output->driver_private);
 151         output->driver_private = NULL;
 152 }
 153
 154 static void
 155 NV50SorSetModeBackend(DisplayModePtr dst, const DisplayModePtr src)
 156 {
 157         // Stash the backend mode timings from src into dst
 158         dst->Clock           = src->Clock;
 159         dst->Flags           = src->Flags;
 160         dst->CrtcHDisplay    = src->CrtcHDisplay;
 161         dst->CrtcHBlankStart = src->CrtcHBlankStart;
 162         dst->CrtcHSyncStart  = src->CrtcHSyncStart;
 163         dst->CrtcHSyncEnd    = src->CrtcHSyncEnd;
 164         dst->CrtcHBlankEnd   = src->CrtcHBlankEnd;
 165         dst->CrtcHTotal      = src->CrtcHTotal;
 166         dst->CrtcHSkew       = src->CrtcHSkew;
 167         dst->CrtcVDisplay    = src->CrtcVDisplay;
 168         dst->CrtcVBlankStart = src->CrtcVBlankStart;
 169         dst->CrtcVSyncStart  = src->CrtcVSyncStart;
 170         dst->CrtcVSyncEnd    = src->CrtcVSyncEnd;
 171         dst->CrtcVBlankEnd   = src->CrtcVBlankEnd;
 172         dst->CrtcVTotal      = src->CrtcVTotal;
 173         dst->CrtcHAdjusted   = src->CrtcHAdjusted;
 174         dst->CrtcVAdjusted   = src->CrtcVAdjusted;
 175 }
 176
 177 static Bool
 178 NV50SorModeFixup(xf86OutputPtr output, DisplayModePtr mode,
 179                  DisplayModePtr adjusted_mode)
 180 {
 181         NV50OutputPrivPtr nv_output = output->driver_private;
 182         DisplayModePtr native = nv_output->nativeMode;
 183
 184         if(native && nv_output->scale != NV50_SCALE_OFF) {
 185                 NV50SorSetModeBackend(adjusted_mode, native);
 186                 // This mode is already "fixed"
 187                 NV50CrtcSkipModeFixup(output->crtc);
 188         }
 189
 190         return TRUE;
 191 }
 192
 193 static Bool
 194 NV50SorTMDSModeFixup(xf86OutputPtr output, DisplayModePtr mode,
 195                         DisplayModePtr adjusted_mode)
 196 {
 197         int scrnIndex = output->scrn->scrnIndex;
 198         NV50OutputPrivPtr nv_output = output->driver_private;
 199         DisplayModePtr modes = output->probed_modes;
 200
 201         xf86DeleteMode(&nv_output->nativeMode, nv_output->nativeMode);
 202
 203         if(modes) {
 204                 // Find the preferred mode and use that as the "native" mode.
 205                 // If no preferred mode is available, use the first one.
 206                 DisplayModePtr mode;
 207
 208                 // Find the preferred mode.
 209                 for(mode = modes; mode; mode = mode->next) {
 210                         if(mode->type & M_T_PREFERRED) {
 211                                 xf86DrvMsgVerb(scrnIndex, X_INFO, 5,
 212                                                 "%s: preferred mode is %s\n",
 213                                                 output->name, mode->name);
 214                                 break;
 215                         }
 216                 }
 217
 218                 // XXX: May not want to allow scaling if no preferred mode is found.
 219                 if(!mode) {
 220                         mode = modes;
 221                         xf86DrvMsgVerb(scrnIndex, X_INFO, 5,
 222                                 "%s: no preferred mode found, using %s\n",
 223                                 output->name, mode->name);
 224                 }
 225
 226                 nv_output->nativeMode = xf86DuplicateMode(mode);
 227                 NV50CrtcDoModeFixup(nv_output->nativeMode, mode);
 228         }
 229
 230         return NV50SorModeFixup(output, mode, adjusted_mode);
 231 }
 232
 233 static DisplayModePtr
 234 NV50SorGetLVDSModes(xf86OutputPtr output)
 235 {
 236         NV50OutputPrivPtr nv_output = output->driver_private;
 237         return xf86DuplicateMode(nv_output->nativeMode);
 238 }
 239
 240 #define MAKE_ATOM(a) MakeAtom((a), sizeof(a) - 1, TRUE);
 241
 242 struct property {
 243         Atom atom;
 244         INT32 range[2];
 245 };
 246
 247 static struct {
 248         struct property dither;
 249         struct property scale;
 250 } properties;
 251
 252 static void
 253 NV50SorCreateResources(xf86OutputPtr output)
 254 {
 255         ScrnInfoPtr pScrn = output->scrn;
 256         NVPtr pNv = NVPTR(pScrn);
 257         int data, err;
 258         const char *s;
 259
 260         /******** dithering ********/
 261         properties.dither.atom = MAKE_ATOM("dither");
 262         properties.dither.range[0] = 0;
 263         properties.dither.range[1] = 1;
 264         err = RRConfigureOutputProperty(output->randr_output,
 265                                         properties.dither.atom, FALSE, TRUE, FALSE,
 266                                         2, properties.dither.range);
 267         if(err)
 268                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 269                         "Failed to configure dithering property for %s: error %d\n",
 270                         output->name, err);
 271
 272         // Set the default value
 273         data = pNv->FPDither;
 274         err = RRChangeOutputProperty(output->randr_output, properties.dither.atom,
 275                                         XA_INTEGER, 32, PropModeReplace, 1, &data,
 276                                         FALSE, FALSE);
 277         if(err)
 278                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 279                         "Failed to set dithering property for %s: error %d\n",
 280                         output->name, err);
 281
 282         /******** scaling ********/
 283         properties.scale.atom = MAKE_ATOM("scale");
 284         err = RRConfigureOutputProperty(output->randr_output,
 285                                         properties.scale.atom, FALSE, FALSE,
 286                                         FALSE, 0, NULL);
 287         if(err)
 288                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 289                         "Failed to configure scaling property for %s: error %d\n",
 290                         output->name, err);
 291
 292         // Set the default value
 293         s = "aspect";
 294         err = RRChangeOutputProperty(output->randr_output, properties.scale.atom,
 295                                         XA_STRING, 8, PropModeReplace, strlen(s),
 296                                         (pointer)s, FALSE, FALSE);
 297         if(err)
 298                 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
 299                         "Failed to set scaling property for %s: error %d\n",
 300                         output->name, err);
 301 }
 302
 303 static Bool
 304 NV50SorSetProperty(xf86OutputPtr output, Atom prop, RRPropertyValuePtr val)
 305 {
 306         NV50OutputPrivPtr nv_output = output->driver_private;
 307
 308         if(prop == properties.dither.atom) {
 309                 INT32 i;
 310
 311                 if (val->type != XA_INTEGER || val->format != 32 || val->size != 1)
 312                         return FALSE;
 313
 314                 i = *(INT32*)val->data;
 315                 if (i < properties.dither.range[0] || i > properties.dither.range[1])
 316                         return FALSE;
 317
 318                 NV50CrtcSetDither(output->crtc, i, TRUE);
 319                 return TRUE;
 320         } else if (prop == properties.scale.atom) {
 321                 const char *s;
 322                 enum NV50ScaleMode oldScale, scale;
 323                 int i;
 324                 const struct {
 325                         const char *name;
 326                         enum NV50ScaleMode scale;
 327                 } modes[] = {
 328                         { "off",    NV50_SCALE_OFF },
 329                         { "aspect", NV50_SCALE_ASPECT },
 330                         { "fill",   NV50_SCALE_FILL },
 331                         { "center", NV50_SCALE_CENTER },
 332                         { NULL,     0 },
 333                 };
 334
 335                 if (val->type != XA_STRING || val->format != 8)
 336                         return FALSE;
 337                 s = (char*)val->data;
 338
 339                 for (i = 0; modes[i].name; i++) {
 340                         const char *name = modes[i].name;
 341                         const int len = strlen(name);
 342
 343                         if(val->size == len && !strncmp(name, s, len)) {
 344                                 scale = modes[i].scale;
 345                                 break;
 346                         }
 347                 }
 348                 if (!modes[i].name)
 349                         return FALSE;
 350                 if (scale == NV50_SCALE_OFF && nv_output->panelType == LVDS)
 351                         // LVDS requires scaling
 352                         return FALSE;
 353
 354                 oldScale = nv_output->scale;
 355                 nv_output->scale = scale;
 356                 if (output->crtc) {
 357                         xf86CrtcPtr crtc = output->crtc;
 358
 359                         if (!xf86CrtcSetMode(crtc, &crtc->desiredMode, crtc->desiredRotation,
 360                                         crtc->desiredX, crtc->desiredY)) {
 361                                 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
 362                                                 "Failed to set scaling to %s for output %s\n",
 363                                                 modes[i].name, output->name);
 364
 365                                 // Restore old scale and try again.
 366                                 nv_output->scale = oldScale;
 367                                 if (!xf86CrtcSetMode(crtc, &crtc->desiredMode,
 368                                                         crtc->desiredRotation, crtc->desiredX,
 369                                                         crtc->desiredY)) {
 370                                         xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
 371                                                 "Failed to restore old scaling for output %s\n",
 372                                                 output->name);
 373                                 }
 374
 375                                 return FALSE;
 376                         }
 377                 }
 378                 return TRUE;
 379         }
 380
 381         return FALSE;
 382 }
 383
 384 static const xf86OutputFuncsRec NV50SorTMDSOutputFuncs = {
 385         .dpms = NV50SorDPMSSet,
 386         .save = NULL,
 387         .restore = NULL,
 388         .mode_valid = NV50TMDSModeValid,
 389         .mode_fixup = NV50SorTMDSModeFixup,
 390         .prepare = NV50OutputPrepare,
 391         .commit = NV50OutputCommit,
 392         .mode_set = NV50SorModeSet,
 393         .detect = NV50SorDetect,
 394         .get_modes = NV50OutputGetDDCModes,
 395         .create_resources = NV50SorCreateResources,
 396         .set_property = NV50SorSetProperty,
 397         .destroy = NV50SorDestroy,
 398 };
 399
 400 static const xf86OutputFuncsRec NV50SorLVDSOutputFuncs = {
 401         .dpms = NV50SorDPMSSet,
 402         .save = NULL,
 403         .restore = NULL,
 404         .mode_valid = NV50LVDSModeValid,
 405         .mode_fixup = NV50SorModeFixup,
 406         .prepare = NV50OutputPrepare,
 407         .commit = NV50OutputCommit,
 408         .mode_set = NV50SorModeSet,
 409         .detect = NV50SorLVDSDetect,
 410         .get_modes = NV50SorGetLVDSModes,
 411         .create_resources = NV50SorCreateResources,
 412         .set_property = NV50SorSetProperty,
 413         .destroy = NV50SorDestroy,
 414 };
 415
 416 static DisplayModePtr
 417 ReadLVDSNativeMode(ScrnInfoPtr pScrn, const int off)
 418 {
 419         DisplayModePtr mode = xnfcalloc(1, sizeof(DisplayModeRec));
 420         const CARD32 size = NV50DisplayRead(pScrn, 0xb4c + off);
 421         const int width = size & 0x3fff;
 422         const int height = (size >> 16) & 0x3fff;
 423
 424         mode->HDisplay = mode->CrtcHDisplay = width;
 425         mode->VDisplay = mode->CrtcVDisplay = height;
 426         mode->Clock = NV50DisplayRead(pScrn, 0xad4 + off) & 0x3fffff;
 427         mode->CrtcHBlankStart = NV50DisplayRead(pScrn, 0xafc + off);
 428         mode->CrtcHSyncEnd = NV50DisplayRead(pScrn, 0xb04 + off);
 429         mode->CrtcHBlankEnd = NV50DisplayRead(pScrn, 0xae8 + off);
 430         mode->CrtcHTotal = NV50DisplayRead(pScrn, 0xaf4 + off);
 431
 432         mode->next = mode->prev = NULL;
 433         mode->status = MODE_OK;
 434         mode->type = M_T_DRIVER | M_T_PREFERRED;
 435
 436         xf86SetModeDefaultName(mode);
 437
 438         return mode;
 439 }
 440
 441 static DisplayModePtr
 442 GetLVDSNativeMode(ScrnInfoPtr pScrn)
 443 {
 444         CARD32 val = NV50DisplayRead(pScrn, 0x50);
 445
 446         if ((val & 0x3) == 0x2) {
 447                 return ReadLVDSNativeMode(pScrn, 0);
 448         } else if ((val & 0x300) == 0x200) {
 449                 return ReadLVDSNativeMode(pScrn, 0x540);
 450         }
 451
 452         return NULL;
 453 }
 454
 455 xf86OutputPtr
 456 NV50CreateSor(ScrnInfoPtr pScrn, ORNum or, PanelType panelType)
 457 {
 458         NV50OutputPrivPtr nv_output = xnfcalloc(sizeof(*nv_output), 1);
 459         xf86OutputPtr output;
 460         char orName[5];
 461         const xf86OutputFuncsRec *funcs;
 462
 463         if(!nv_output)
 464                 return NULL;
 465
 466         if(panelType == LVDS) {
 467                 strcpy(orName, "LVDS");
 468                 funcs = &NV50SorLVDSOutputFuncs;
 469
 470                 nv_output->nativeMode = GetLVDSNativeMode(pScrn);
 471
 472                 if(!nv_output->nativeMode) {
 473                         xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
 474                                 "Failed to find LVDS native mode\n");
 475                         xfree(nv_output);
 476                         return NULL;
 477                 }
 478
 479                 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "%s native size %dx%d\n",
 480                         orName, nv_output->nativeMode->HDisplay,
 481                         nv_output->nativeMode->VDisplay);
 482         } else {
 483                 snprintf(orName, 5, "DVI%d", or);
 484                 funcs = &NV50SorTMDSOutputFuncs;
 485         }
 486
 487         output = xf86OutputCreate(pScrn, funcs, orName);
 488
 489         nv_output->type = SOR;
 490         nv_output->or = or;
 491         nv_output->panelType = panelType;
 492         nv_output->cached_status = XF86OutputStatusUnknown;
 493         if (panelType == TMDS)
 494                 nv_output->set_pclk = NV50SorSetPClk;
 495         output->driver_private = nv_output;
 496         output->interlaceAllowed = TRUE;
 497         output->doubleScanAllowed = TRUE;
 498
 499         if (panelType != LVDS) {
 500                 NV50OutputWrite(output, 0xc00c, 0x03010700);
 501                 NV50OutputWrite(output, 0xc010, 0x0000152f);
 502                 NV50OutputWrite(output, 0xc014, 0x00000000);
 503                 NV50OutputWrite(output, 0xc018, 0x00245af8);
 504         }
 505
 506         return output;
 507 }
 508