drivers/gpu/drm/radeon/atombios_crtc.c

   1 /*
   2  * Copyright 2007-8 Advanced Micro Devices, Inc.
   3  * Copyright 2008 Red Hat Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors: Dave Airlie
  24  *          Alex Deucher
  25  */
  26 #include <drm/drmP.h>
  27 #include <drm/drm_crtc_helper.h>
  28 #include <drm/radeon_drm.h>
  29 #include <drm/drm_fixed.h>
  30 #include "radeon.h"
  31 #include "atom.h"
  32 #include "atom-bits.h"
  33
  34 static void atombios_overscan_setup(struct drm_crtc *crtc,
  35                                     struct drm_display_mode *mode,
  36                                     struct drm_display_mode *adjusted_mode)
  37 {
  38         struct drm_device *dev = crtc->dev;
  39         struct radeon_device *rdev = dev->dev_private;
  40         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
  41         SET_CRTC_OVERSCAN_PS_ALLOCATION args;
  42         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan);
  43         int a1, a2;
  44
  45         memset(&args, 0, sizeof(args));
  46
  47         args.usOverscanRight = 0;
  48         args.usOverscanLeft = 0;
  49         args.usOverscanBottom = 0;
  50         args.usOverscanTop = 0;
  51         args.ucCRTC = radeon_crtc->crtc_id;
  52
  53         switch (radeon_crtc->rmx_type) {
  54         case RMX_CENTER:
  55                 args.usOverscanTop = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
  56                 args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
  57                 args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
  58                 args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
  59                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
  60                 break;
  61         case RMX_ASPECT:
  62                 a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
  63                 a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;
  64
  65                 if (a1 > a2) {
  66                         args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
  67                         args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
  68                 } else if (a2 > a1) {
  69                         args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
  70                         args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
  71                 }
  72                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
  73                 break;
  74         case RMX_FULL:
  75         default:
  76                 args.usOverscanRight = 0;
  77                 args.usOverscanLeft = 0;
  78                 args.usOverscanBottom = 0;
  79                 args.usOverscanTop = 0;
  80                 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
  81                 break;
  82         }
  83 }
  84
  85 static void atombios_scaler_setup(struct drm_crtc *crtc)
  86 {
  87         struct drm_device *dev = crtc->dev;
  88         struct radeon_device *rdev = dev->dev_private;
  89         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
  90         ENABLE_SCALER_PS_ALLOCATION args;
  91         int index = GetIndexIntoMasterTable(COMMAND, EnableScaler);
  92
  93         /* fixme - fill in enc_priv for atom dac */
  94         enum radeon_tv_std tv_std = TV_STD_NTSC;
  95         bool is_tv = false, is_cv = false;
  96         struct drm_encoder *encoder;
  97
  98         if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
  99                 return;
 100
 101         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 102                 /* find tv std */
 103                 if (encoder->crtc == crtc) {
 104                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 105                         if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
 106                                 struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv;
 107                                 tv_std = tv_dac->tv_std;
 108                                 is_tv = true;
 109                         }
 110                 }
 111         }
 112
 113         memset(&args, 0, sizeof(args));
 114
 115         args.ucScaler = radeon_crtc->crtc_id;
 116
 117         if (is_tv) {
 118                 switch (tv_std) {
 119                 case TV_STD_NTSC:
 120                 default:
 121                         args.ucTVStandard = ATOM_TV_NTSC;
 122                         break;
 123                 case TV_STD_PAL:
 124                         args.ucTVStandard = ATOM_TV_PAL;
 125                         break;
 126                 case TV_STD_PAL_M:
 127                         args.ucTVStandard = ATOM_TV_PALM;
 128                         break;
 129                 case TV_STD_PAL_60:
 130                         args.ucTVStandard = ATOM_TV_PAL60;
 131                         break;
 132                 case TV_STD_NTSC_J:
 133                         args.ucTVStandard = ATOM_TV_NTSCJ;
 134                         break;
 135                 case TV_STD_SCART_PAL:
 136                         args.ucTVStandard = ATOM_TV_PAL; /* ??? */
 137                         break;
 138                 case TV_STD_SECAM:
 139                         args.ucTVStandard = ATOM_TV_SECAM;
 140                         break;
 141                 case TV_STD_PAL_CN:
 142                         args.ucTVStandard = ATOM_TV_PALCN;
 143                         break;
 144                 }
 145                 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
 146         } else if (is_cv) {
 147                 args.ucTVStandard = ATOM_TV_CV;
 148                 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
 149         } else {
 150                 switch (radeon_crtc->rmx_type) {
 151                 case RMX_FULL:
 152                         args.ucEnable = ATOM_SCALER_EXPANSION;
 153                         break;
 154                 case RMX_CENTER:
 155                         args.ucEnable = ATOM_SCALER_CENTER;
 156                         break;
 157                 case RMX_ASPECT:
 158                         args.ucEnable = ATOM_SCALER_EXPANSION;
 159                         break;
 160                 default:
 161                         if (ASIC_IS_AVIVO(rdev))
 162                                 args.ucEnable = ATOM_SCALER_DISABLE;
 163                         else
 164                                 args.ucEnable = ATOM_SCALER_CENTER;
 165                         break;
 166                 }
 167         }
 168         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 169         if ((is_tv || is_cv)
 170             && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
 171                 atom_rv515_force_tv_scaler(rdev, radeon_crtc);
 172         }
 173 }
 174
 175 static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
 176 {
 177         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 178         struct drm_device *dev = crtc->dev;
 179         struct radeon_device *rdev = dev->dev_private;
 180         int index =
 181             GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
 182         ENABLE_CRTC_PS_ALLOCATION args;
 183
 184         memset(&args, 0, sizeof(args));
 185
 186         args.ucCRTC = radeon_crtc->crtc_id;
 187         args.ucEnable = lock;
 188
 189         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 190 }
 191
 192 static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
 193 {
 194         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 195         struct drm_device *dev = crtc->dev;
 196         struct radeon_device *rdev = dev->dev_private;
 197         int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
 198         ENABLE_CRTC_PS_ALLOCATION args;
 199
 200         memset(&args, 0, sizeof(args));
 201
 202         args.ucCRTC = radeon_crtc->crtc_id;
 203         args.ucEnable = state;
 204
 205         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 206 }
 207
 208 static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
 209 {
 210         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 211         struct drm_device *dev = crtc->dev;
 212         struct radeon_device *rdev = dev->dev_private;
 213         int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
 214         ENABLE_CRTC_PS_ALLOCATION args;
 215
 216         memset(&args, 0, sizeof(args));
 217
 218         args.ucCRTC = radeon_crtc->crtc_id;
 219         args.ucEnable = state;
 220
 221         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 222 }
 223
 224 static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
 225 {
 226         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 227         struct drm_device *dev = crtc->dev;
 228         struct radeon_device *rdev = dev->dev_private;
 229         int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
 230         BLANK_CRTC_PS_ALLOCATION args;
 231
 232         memset(&args, 0, sizeof(args));
 233
 234         args.ucCRTC = radeon_crtc->crtc_id;
 235         args.ucBlanking = state;
 236
 237         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 238 }
 239
 240 void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 241 {
 242         struct drm_device *dev = crtc->dev;
 243         struct radeon_device *rdev = dev->dev_private;
 244         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 245
 246         switch (mode) {
 247         case DRM_MODE_DPMS_ON:
 248                 radeon_crtc->enabled = true;
 249                 /* adjust pm to dpms changes BEFORE enabling crtcs */
 250                 radeon_pm_compute_clocks(rdev);
 251                 atombios_enable_crtc(crtc, ATOM_ENABLE);
 252                 if (ASIC_IS_DCE3(rdev))
 253                         atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
 254                 atombios_blank_crtc(crtc, ATOM_DISABLE);
 255                 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 256                 radeon_crtc_load_lut(crtc);
 257                 break;
 258         case DRM_MODE_DPMS_STANDBY:
 259         case DRM_MODE_DPMS_SUSPEND:
 260         case DRM_MODE_DPMS_OFF:
 261                 drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
 262                 atombios_blank_crtc(crtc, ATOM_ENABLE);
 263                 if (ASIC_IS_DCE3(rdev))
 264                         atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
 265                 atombios_enable_crtc(crtc, ATOM_DISABLE);
 266                 radeon_crtc->enabled = false;
 267                 /* adjust pm to dpms changes AFTER disabling crtcs */
 268                 radeon_pm_compute_clocks(rdev);
 269                 break;
 270         }
 271 }
 272
 273 static void
 274 atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
 275                              struct drm_display_mode *mode)
 276 {
 277         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 278         struct drm_device *dev = crtc->dev;
 279         struct radeon_device *rdev = dev->dev_private;
 280         SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
 281         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
 282         u16 misc = 0;
 283
 284         memset(&args, 0, sizeof(args));
 285         args.usH_Size = cpu_to_le16(mode->crtc_hdisplay);
 286         args.usH_Blanking_Time =
 287                 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay);
 288         args.usV_Size = cpu_to_le16(mode->crtc_vdisplay);
 289         args.usV_Blanking_Time =
 290             cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay);
 291         args.usH_SyncOffset =
 292                 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay);
 293         args.usH_SyncWidth =
 294                 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
 295         args.usV_SyncOffset =
 296                 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay);
 297         args.usV_SyncWidth =
 298                 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
 299         /*args.ucH_Border = mode->hborder;*/
 300         /*args.ucV_Border = mode->vborder;*/
 301
 302         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
 303                 misc |= ATOM_VSYNC_POLARITY;
 304         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
 305                 misc |= ATOM_HSYNC_POLARITY;
 306         if (mode->flags & DRM_MODE_FLAG_CSYNC)
 307                 misc |= ATOM_COMPOSITESYNC;
 308         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 309                 misc |= ATOM_INTERLACE;
 310         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 311                 misc |= ATOM_DOUBLE_CLOCK_MODE;
 312
 313         args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 314         args.ucCRTC = radeon_crtc->crtc_id;
 315
 316         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 317 }
 318
 319 static void atombios_crtc_set_timing(struct drm_crtc *crtc,
 320                                      struct drm_display_mode *mode)
 321 {
 322         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 323         struct drm_device *dev = crtc->dev;
 324         struct radeon_device *rdev = dev->dev_private;
 325         SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
 326         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
 327         u16 misc = 0;
 328
 329         memset(&args, 0, sizeof(args));
 330         args.usH_Total = cpu_to_le16(mode->crtc_htotal);
 331         args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
 332         args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
 333         args.usH_SyncWidth =
 334                 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
 335         args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
 336         args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
 337         args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
 338         args.usV_SyncWidth =
 339                 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
 340
 341         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
 342                 misc |= ATOM_VSYNC_POLARITY;
 343         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
 344                 misc |= ATOM_HSYNC_POLARITY;
 345         if (mode->flags & DRM_MODE_FLAG_CSYNC)
 346                 misc |= ATOM_COMPOSITESYNC;
 347         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 348                 misc |= ATOM_INTERLACE;
 349         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 350                 misc |= ATOM_DOUBLE_CLOCK_MODE;
 351
 352         args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 353         args.ucCRTC = radeon_crtc->crtc_id;
 354
 355         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 356 }
 357
 358 static void atombios_disable_ss(struct drm_crtc *crtc)
 359 {
 360         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 361         struct drm_device *dev = crtc->dev;
 362         struct radeon_device *rdev = dev->dev_private;
 363         u32 ss_cntl;
 364
 365         if (ASIC_IS_DCE4(rdev)) {
 366                 switch (radeon_crtc->pll_id) {
 367                 case ATOM_PPLL1:
 368                         ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
 369                         ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
 370                         WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
 371                         break;
 372                 case ATOM_PPLL2:
 373                         ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
 374                         ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
 375                         WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
 376                         break;
 377                 case ATOM_DCPLL:
 378                 case ATOM_PPLL_INVALID:
 379                         return;
 380                 }
 381         } else if (ASIC_IS_AVIVO(rdev)) {
 382                 switch (radeon_crtc->pll_id) {
 383                 case ATOM_PPLL1:
 384                         ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
 385                         ss_cntl &= ~1;
 386                         WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
 387                         break;
 388                 case ATOM_PPLL2:
 389                         ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
 390                         ss_cntl &= ~1;
 391                         WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
 392                         break;
 393                 case ATOM_DCPLL:
 394                 case ATOM_PPLL_INVALID:
 395                         return;
 396                 }
 397         }
 398 }
 399
 400
 401 union atom_enable_ss {
 402         ENABLE_LVDS_SS_PARAMETERS legacy;
 403         ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
 404 };
 405
 406 static void atombios_enable_ss(struct drm_crtc *crtc)
 407 {
 408         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 409         struct drm_device *dev = crtc->dev;
 410         struct radeon_device *rdev = dev->dev_private;
 411         struct drm_encoder *encoder = NULL;
 412         struct radeon_encoder *radeon_encoder = NULL;
 413         struct radeon_encoder_atom_dig *dig = NULL;
 414         int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
 415         union atom_enable_ss args;
 416         uint16_t percentage = 0;
 417         uint8_t type = 0, step = 0, delay = 0, range = 0;
 418
 419         /* XXX add ss support for DCE4 */
 420         if (ASIC_IS_DCE4(rdev))
 421                 return;
 422
 423         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 424                 if (encoder->crtc == crtc) {
 425                         radeon_encoder = to_radeon_encoder(encoder);
 426                         /* only enable spread spectrum on LVDS */
 427                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 428                                 dig = radeon_encoder->enc_priv;
 429                                 if (dig && dig->ss) {
 430                                         percentage = dig->ss->percentage;
 431                                         type = dig->ss->type;
 432                                         step = dig->ss->step;
 433                                         delay = dig->ss->delay;
 434                                         range = dig->ss->range;
 435                                 } else
 436                                         return;
 437                         } else
 438                                 return;
 439                         break;
 440                 }
 441         }
 442
 443         if (!radeon_encoder)
 444                 return;
 445
 446         memset(&args, 0, sizeof(args));
 447         if (ASIC_IS_AVIVO(rdev)) {
 448                 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
 449                 args.v1.ucSpreadSpectrumType = type;
 450                 args.v1.ucSpreadSpectrumStep = step;
 451                 args.v1.ucSpreadSpectrumDelay = delay;
 452                 args.v1.ucSpreadSpectrumRange = range;
 453                 args.v1.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
 454                 args.v1.ucEnable = ATOM_ENABLE;
 455         } else {
 456                 args.legacy.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
 457                 args.legacy.ucSpreadSpectrumType = type;
 458                 args.legacy.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
 459                 args.legacy.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
 460                 args.legacy.ucEnable = ATOM_ENABLE;
 461         }
 462         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 463 }
 464
 465 union adjust_pixel_clock {
 466         ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
 467         ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
 468 };
 469
 470 static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 471                                struct drm_display_mode *mode,
 472                                struct radeon_pll *pll)
 473 {
 474         struct drm_device *dev = crtc->dev;
 475         struct radeon_device *rdev = dev->dev_private;
 476         struct drm_encoder *encoder = NULL;
 477         struct radeon_encoder *radeon_encoder = NULL;
 478         u32 adjusted_clock = mode->clock;
 479         int encoder_mode = 0;
 480
 481         /* reset the pll flags */
 482         pll->flags = 0;
 483
 484         /* select the PLL algo */
 485         if (ASIC_IS_AVIVO(rdev)) {
 486                 if (radeon_new_pll == 0)
 487                         pll->algo = PLL_ALGO_LEGACY;
 488                 else
 489                         pll->algo = PLL_ALGO_NEW;
 490         } else {
 491                 if (radeon_new_pll == 1)
 492                         pll->algo = PLL_ALGO_NEW;
 493                 else
 494                         pll->algo = PLL_ALGO_LEGACY;
 495         }
 496
 497         if (ASIC_IS_AVIVO(rdev)) {
 498                 if ((rdev->family == CHIP_RS600) ||
 499                     (rdev->family == CHIP_RS690) ||
 500                     (rdev->family == CHIP_RS740))
 501                         pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
 502                                        RADEON_PLL_PREFER_CLOSEST_LOWER);
 503
 504                 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /* range limits??? */
 505                         pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 506                 else
 507                         pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 508         } else {
 509                 pll->flags |= RADEON_PLL_LEGACY;
 510
 511                 if (mode->clock > 200000)       /* range limits??? */
 512                         pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 513                 else
 514                         pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 515
 516         }
 517
 518         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 519                 if (encoder->crtc == crtc) {
 520                         radeon_encoder = to_radeon_encoder(encoder);
 521                         encoder_mode = atombios_get_encoder_mode(encoder);
 522                         if (ASIC_IS_AVIVO(rdev)) {
 523                                 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 524                                 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
 525                                         adjusted_clock = mode->clock * 2;
 526                                 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
 527                                         pll->algo = PLL_ALGO_LEGACY;
 528                                         pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
 529                                 }
 530                         } else {
 531                                 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
 532                                         pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
 533                                 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
 534                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
 535                         }
 536                         break;
 537                 }
 538         }
 539
 540         /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
 541          * accordingly based on the encoder/transmitter to work around
 542          * special hw requirements.
 543          */
 544         if (ASIC_IS_DCE3(rdev)) {
 545                 union adjust_pixel_clock args;
 546                 u8 frev, crev;
 547                 int index;
 548
 549                 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
 550                 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 551                                            &crev))
 552                         return adjusted_clock;
 553
 554                 memset(&args, 0, sizeof(args));
 555
 556                 switch (frev) {
 557                 case 1:
 558                         switch (crev) {
 559                         case 1:
 560                         case 2:
 561                                 args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
 562                                 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
 563                                 args.v1.ucEncodeMode = encoder_mode;
 564
 565                                 atom_execute_table(rdev->mode_info.atom_context,
 566                                                    index, (uint32_t *)&args);
 567                                 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
 568                                 break;
 569                         case 3:
 570                                 args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
 571                                 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
 572                                 args.v3.sInput.ucEncodeMode = encoder_mode;
 573                                 args.v3.sInput.ucDispPllConfig = 0;
 574                                 if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
 575                                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 576
 577                                         if (encoder_mode == ATOM_ENCODER_MODE_DP)
 578                                                 args.v3.sInput.ucDispPllConfig |=
 579                                                         DISPPLL_CONFIG_COHERENT_MODE;
 580                                         else {
 581                                                 if (dig->coherent_mode)
 582                                                         args.v3.sInput.ucDispPllConfig |=
 583                                                                 DISPPLL_CONFIG_COHERENT_MODE;
 584                                                 if (mode->clock > 165000)
 585                                                         args.v3.sInput.ucDispPllConfig |=
 586                                                                 DISPPLL_CONFIG_DUAL_LINK;
 587                                         }
 588                                 } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 589                                         /* may want to enable SS on DP/eDP eventually */
 590                                         /*args.v3.sInput.ucDispPllConfig |=
 591                                                 DISPPLL_CONFIG_SS_ENABLE;*/
 592                                         if (encoder_mode == ATOM_ENCODER_MODE_DP)
 593                                                 args.v3.sInput.ucDispPllConfig |=
 594                                                         DISPPLL_CONFIG_COHERENT_MODE;
 595                                         else {
 596                                                 if (mode->clock > 165000)
 597                                                         args.v3.sInput.ucDispPllConfig |=
 598                                                                 DISPPLL_CONFIG_DUAL_LINK;
 599                                         }
 600                                 }
 601                                 atom_execute_table(rdev->mode_info.atom_context,
 602                                                    index, (uint32_t *)&args);
 603                                 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
 604                                 if (args.v3.sOutput.ucRefDiv) {
 605                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
 606                                         pll->reference_div = args.v3.sOutput.ucRefDiv;
 607                                 }
 608                                 if (args.v3.sOutput.ucPostDiv) {
 609                                         pll->flags |= RADEON_PLL_USE_POST_DIV;
 610                                         pll->post_div = args.v3.sOutput.ucPostDiv;
 611                                 }
 612                                 break;
 613                         default:
 614                                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 615                                 return adjusted_clock;
 616                         }
 617                         break;
 618                 default:
 619                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 620                         return adjusted_clock;
 621                 }
 622         }
 623         return adjusted_clock;
 624 }
 625
 626 union set_pixel_clock {
 627         SET_PIXEL_CLOCK_PS_ALLOCATION base;
 628         PIXEL_CLOCK_PARAMETERS v1;
 629         PIXEL_CLOCK_PARAMETERS_V2 v2;
 630         PIXEL_CLOCK_PARAMETERS_V3 v3;
 631         PIXEL_CLOCK_PARAMETERS_V5 v5;
 632 };
 633
 634 static void atombios_crtc_set_dcpll(struct drm_crtc *crtc)
 635 {
 636         struct drm_device *dev = crtc->dev;
 637         struct radeon_device *rdev = dev->dev_private;
 638         u8 frev, crev;
 639         int index;
 640         union set_pixel_clock args;
 641
 642         memset(&args, 0, sizeof(args));
 643
 644         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 645         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 646                                    &crev))
 647                 return;
 648
 649         switch (frev) {
 650         case 1:
 651                 switch (crev) {
 652                 case 5:
 653                         /* if the default dcpll clock is specified,
 654                          * SetPixelClock provides the dividers
 655                          */
 656                         args.v5.ucCRTC = ATOM_CRTC_INVALID;
 657                         args.v5.usPixelClock = rdev->clock.default_dispclk;
 658                         args.v5.ucPpll = ATOM_DCPLL;
 659                         break;
 660                 default:
 661                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 662                         return;
 663                 }
 664                 break;
 665         default:
 666                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 667                 return;
 668         }
 669         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 670 }
 671
 672 static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 673                                       int crtc_id,
 674                                       int pll_id,
 675                                       u32 encoder_mode,
 676                                       u32 encoder_id,
 677                                       u32 clock,
 678                                       u32 ref_div,
 679                                       u32 fb_div,
 680                                       u32 frac_fb_div,
 681                                       u32 post_div)
 682 {
 683         struct drm_device *dev = crtc->dev;
 684         struct radeon_device *rdev = dev->dev_private;
 685         u8 frev, crev;
 686         int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 687         union set_pixel_clock args;
 688
 689         memset(&args, 0, sizeof(args));
 690
 691         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 692                                    &crev))
 693                 return;
 694
 695         switch (frev) {
 696         case 1:
 697                 switch (crev) {
 698                 case 1:
 699                         if (clock == ATOM_DISABLE)
 700                                 return;
 701                         args.v1.usPixelClock = cpu_to_le16(clock / 10);
 702                         args.v1.usRefDiv = cpu_to_le16(ref_div);
 703                         args.v1.usFbDiv = cpu_to_le16(fb_div);
 704                         args.v1.ucFracFbDiv = frac_fb_div;
 705                         args.v1.ucPostDiv = post_div;
 706                         args.v1.ucPpll = pll_id;
 707                         args.v1.ucCRTC = crtc_id;
 708                         args.v1.ucRefDivSrc = 1;
 709                         break;
 710                 case 2:
 711                         args.v2.usPixelClock = cpu_to_le16(clock / 10);
 712                         args.v2.usRefDiv = cpu_to_le16(ref_div);
 713                         args.v2.usFbDiv = cpu_to_le16(fb_div);
 714                         args.v2.ucFracFbDiv = frac_fb_div;
 715                         args.v2.ucPostDiv = post_div;
 716                         args.v2.ucPpll = pll_id;
 717                         args.v2.ucCRTC = crtc_id;
 718                         args.v2.ucRefDivSrc = 1;
 719                         break;
 720                 case 3:
 721                         args.v3.usPixelClock = cpu_to_le16(clock / 10);
 722                         args.v3.usRefDiv = cpu_to_le16(ref_div);
 723                         args.v3.usFbDiv = cpu_to_le16(fb_div);
 724                         args.v3.ucFracFbDiv = frac_fb_div;
 725                         args.v3.ucPostDiv = post_div;
 726                         args.v3.ucPpll = pll_id;
 727                         args.v3.ucMiscInfo = (pll_id << 2);
 728                         args.v3.ucTransmitterId = encoder_id;
 729                         args.v3.ucEncoderMode = encoder_mode;
 730                         break;
 731                 case 5:
 732                         args.v5.ucCRTC = crtc_id;
 733                         args.v5.usPixelClock = cpu_to_le16(clock / 10);
 734                         args.v5.ucRefDiv = ref_div;
 735                         args.v5.usFbDiv = cpu_to_le16(fb_div);
 736                         args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 737                         args.v5.ucPostDiv = post_div;
 738                         args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
 739                         args.v5.ucTransmitterID = encoder_id;
 740                         args.v5.ucEncoderMode = encoder_mode;
 741                         args.v5.ucPpll = pll_id;
 742                         break;
 743                 default:
 744                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 745                         return;
 746                 }
 747                 break;
 748         default:
 749                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 750                 return;
 751         }
 752
 753         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 754 }
 755
 756 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 757 {
 758         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 759         struct drm_device *dev = crtc->dev;
 760         struct radeon_device *rdev = dev->dev_private;
 761         struct drm_encoder *encoder = NULL;
 762         struct radeon_encoder *radeon_encoder = NULL;
 763         u32 pll_clock = mode->clock;
 764         u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
 765         struct radeon_pll *pll;
 766         u32 adjusted_clock;
 767         int encoder_mode = 0;
 768
 769         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 770                 if (encoder->crtc == crtc) {
 771                         radeon_encoder = to_radeon_encoder(encoder);
 772                         encoder_mode = atombios_get_encoder_mode(encoder);
 773                         break;
 774                 }
 775         }
 776
 777         if (!radeon_encoder)
 778                 return;
 779
 780         switch (radeon_crtc->pll_id) {
 781         case ATOM_PPLL1:
 782                 pll = &rdev->clock.p1pll;
 783                 break;
 784         case ATOM_PPLL2:
 785                 pll = &rdev->clock.p2pll;
 786                 break;
 787         case ATOM_DCPLL:
 788         case ATOM_PPLL_INVALID:
 789         default:
 790                 pll = &rdev->clock.dcpll;
 791                 break;
 792         }
 793
 794         /* adjust pixel clock as needed */
 795         adjusted_clock = atombios_adjust_pll(crtc, mode, pll);
 796
 797         radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
 798                            &ref_div, &post_div);
 799
 800         atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
 801                                   encoder_mode, radeon_encoder->encoder_id, mode->clock,
 802                                   ref_div, fb_div, frac_fb_div, post_div);
 803
 804 }
 805
 806 static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 807                                    struct drm_framebuffer *old_fb)
 808 {
 809         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 810         struct drm_device *dev = crtc->dev;
 811         struct radeon_device *rdev = dev->dev_private;
 812         struct radeon_framebuffer *radeon_fb;
 813         struct drm_gem_object *obj;
 814         struct radeon_bo *rbo;
 815         uint64_t fb_location;
 816         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
 817         int r;
 818
 819         /* no fb bound */
 820         if (!crtc->fb) {
 821                 DRM_DEBUG("No FB bound\n");
 822                 return 0;
 823         }
 824
 825         radeon_fb = to_radeon_framebuffer(crtc->fb);
 826
 827         /* Pin framebuffer & get tilling informations */
 828         obj = radeon_fb->obj;
 829         rbo = obj->driver_private;
 830         r = radeon_bo_reserve(rbo, false);
 831         if (unlikely(r != 0))
 832                 return r;
 833         r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
 834         if (unlikely(r != 0)) {
 835                 radeon_bo_unreserve(rbo);
 836                 return -EINVAL;
 837         }
 838         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
 839         radeon_bo_unreserve(rbo);
 840
 841         switch (crtc->fb->bits_per_pixel) {
 842         case 8:
 843                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
 844                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
 845                 break;
 846         case 15:
 847                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
 848                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
 849                 break;
 850         case 16:
 851                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
 852                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
 853                 break;
 854         case 24:
 855         case 32:
 856                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
 857                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
 858                 break;
 859         default:
 860                 DRM_ERROR("Unsupported screen depth %d\n",
 861                           crtc->fb->bits_per_pixel);
 862                 return -EINVAL;
 863         }
 864
 865         switch (radeon_crtc->crtc_id) {
 866         case 0:
 867                 WREG32(AVIVO_D1VGA_CONTROL, 0);
 868                 break;
 869         case 1:
 870                 WREG32(AVIVO_D2VGA_CONTROL, 0);
 871                 break;
 872         case 2:
 873                 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
 874                 break;
 875         case 3:
 876                 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
 877                 break;
 878         case 4:
 879                 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
 880                 break;
 881         case 5:
 882                 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
 883                 break;
 884         default:
 885                 break;
 886         }
 887
 888         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
 889                upper_32_bits(fb_location));
 890         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
 891                upper_32_bits(fb_location));
 892         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 893                (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
 894         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
 895                (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
 896         WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
 897
 898         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
 899         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
 900         WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
 901         WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
 902         WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
 903         WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
 904
 905         fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
 906         WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
 907         WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
 908
 909         WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
 910                crtc->mode.vdisplay);
 911         x &= ~3;
 912         y &= ~1;
 913         WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
 914                (x << 16) | y);
 915         WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
 916                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
 917
 918         if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
 919                 WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset,
 920                        EVERGREEN_INTERLEAVE_EN);
 921         else
 922                 WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
 923
 924         if (old_fb && old_fb != crtc->fb) {
 925                 radeon_fb = to_radeon_framebuffer(old_fb);
 926                 rbo = radeon_fb->obj->driver_private;
 927                 r = radeon_bo_reserve(rbo, false);
 928                 if (unlikely(r != 0))
 929                         return r;
 930                 radeon_bo_unpin(rbo);
 931                 radeon_bo_unreserve(rbo);
 932         }
 933
 934         /* Bytes per pixel may have changed */
 935         radeon_bandwidth_update(rdev);
 936
 937         return 0;
 938 }
 939
 940 static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 941                                struct drm_framebuffer *old_fb)
 942 {
 943         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 944         struct drm_device *dev = crtc->dev;
 945         struct radeon_device *rdev = dev->dev_private;
 946         struct radeon_framebuffer *radeon_fb;
 947         struct drm_gem_object *obj;
 948         struct radeon_bo *rbo;
 949         uint64_t fb_location;
 950         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
 951         int r;
 952
 953         /* no fb bound */
 954         if (!crtc->fb) {
 955                 DRM_DEBUG("No FB bound\n");
 956                 return 0;
 957         }
 958
 959         radeon_fb = to_radeon_framebuffer(crtc->fb);
 960
 961         /* Pin framebuffer & get tilling informations */
 962         obj = radeon_fb->obj;
 963         rbo = obj->driver_private;
 964         r = radeon_bo_reserve(rbo, false);
 965         if (unlikely(r != 0))
 966                 return r;
 967         r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
 968         if (unlikely(r != 0)) {
 969                 radeon_bo_unreserve(rbo);
 970                 return -EINVAL;
 971         }
 972         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
 973         radeon_bo_unreserve(rbo);
 974
 975         switch (crtc->fb->bits_per_pixel) {
 976         case 8:
 977                 fb_format =
 978                     AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
 979                     AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
 980                 break;
 981         case 15:
 982                 fb_format =
 983                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
 984                     AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
 985                 break;
 986         case 16:
 987                 fb_format =
 988                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
 989                     AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
 990                 break;
 991         case 24:
 992         case 32:
 993                 fb_format =
 994                     AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
 995                     AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
 996                 break;
 997         default:
 998                 DRM_ERROR("Unsupported screen depth %d\n",
 999                           crtc->fb->bits_per_pixel);
1000                 return -EINVAL;
1001         }
1002
1003         if (tiling_flags & RADEON_TILING_MACRO)
1004                 fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1005
1006         if (tiling_flags & RADEON_TILING_MICRO)
1007                 fb_format |= AVIVO_D1GRPH_TILED;
1008
1009         if (radeon_crtc->crtc_id == 0)
1010                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1011         else
1012                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1013
1014         if (rdev->family >= CHIP_RV770) {
1015                 if (radeon_crtc->crtc_id) {
1016                         WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
1017                         WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
1018                 } else {
1019                         WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
1020                         WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
1021                 }
1022         }
1023         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1024                (u32) fb_location);
1025         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1026                radeon_crtc->crtc_offset, (u32) fb_location);
1027         WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1028
1029         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1030         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1031         WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1032         WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1033         WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
1034         WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
1035
1036         fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
1037         WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1038         WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1039
1040         WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1041                crtc->mode.vdisplay);
1042         x &= ~3;
1043         y &= ~1;
1044         WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1045                (x << 16) | y);
1046         WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1047                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
1048
1049         if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
1050                 WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
1051                        AVIVO_D1MODE_INTERLEAVE_EN);
1052         else
1053                 WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
1054
1055         if (old_fb && old_fb != crtc->fb) {
1056                 radeon_fb = to_radeon_framebuffer(old_fb);
1057                 rbo = radeon_fb->obj->driver_private;
1058                 r = radeon_bo_reserve(rbo, false);
1059                 if (unlikely(r != 0))
1060                         return r;
1061                 radeon_bo_unpin(rbo);
1062                 radeon_bo_unreserve(rbo);
1063         }
1064
1065         /* Bytes per pixel may have changed */
1066         radeon_bandwidth_update(rdev);
1067
1068         return 0;
1069 }
1070
1071 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1072                            struct drm_framebuffer *old_fb)
1073 {
1074         struct drm_device *dev = crtc->dev;
1075         struct radeon_device *rdev = dev->dev_private;
1076
1077         if (ASIC_IS_DCE4(rdev))
1078                 return evergreen_crtc_set_base(crtc, x, y, old_fb);
1079         else if (ASIC_IS_AVIVO(rdev))
1080                 return avivo_crtc_set_base(crtc, x, y, old_fb);
1081         else
1082                 return radeon_crtc_set_base(crtc, x, y, old_fb);
1083 }
1084
1085 /* properly set additional regs when using atombios */
1086 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1087 {
1088         struct drm_device *dev = crtc->dev;
1089         struct radeon_device *rdev = dev->dev_private;
1090         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1091         u32 disp_merge_cntl;
1092
1093         switch (radeon_crtc->crtc_id) {
1094         case 0:
1095                 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1096                 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1097                 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1098                 break;
1099         case 1:
1100                 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1101                 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1102                 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1103                 WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1104                 WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1105                 break;
1106         }
1107 }
1108
1109 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1110 {
1111         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1112         struct drm_device *dev = crtc->dev;
1113         struct radeon_device *rdev = dev->dev_private;
1114         struct drm_encoder *test_encoder;
1115         struct drm_crtc *test_crtc;
1116         uint32_t pll_in_use = 0;
1117
1118         if (ASIC_IS_DCE4(rdev)) {
1119                 /* if crtc is driving DP and we have an ext clock, use that */
1120                 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1121                         if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1122                                 if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) {
1123                                         if (rdev->clock.dp_extclk)
1124                                                 return ATOM_PPLL_INVALID;
1125                                 }
1126                         }
1127                 }
1128
1129                 /* otherwise, pick one of the plls */
1130                 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1131                         struct radeon_crtc *radeon_test_crtc;
1132
1133                         if (crtc == test_crtc)
1134                                 continue;
1135
1136                         radeon_test_crtc = to_radeon_crtc(test_crtc);
1137                         if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
1138                             (radeon_test_crtc->pll_id <= ATOM_PPLL2))
1139                                 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1140                 }
1141                 if (!(pll_in_use & 1))
1142                         return ATOM_PPLL1;
1143                 return ATOM_PPLL2;
1144         } else
1145                 return radeon_crtc->crtc_id;
1146
1147 }
1148
1149 int atombios_crtc_mode_set(struct drm_crtc *crtc,
1150                            struct drm_display_mode *mode,
1151                            struct drm_display_mode *adjusted_mode,
1152                            int x, int y, struct drm_framebuffer *old_fb)
1153 {
1154         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1155         struct drm_device *dev = crtc->dev;
1156         struct radeon_device *rdev = dev->dev_private;
1157
1158         /* TODO color tiling */
1159
1160         atombios_disable_ss(crtc);
1161         /* always set DCPLL */
1162         if (ASIC_IS_DCE4(rdev))
1163                 atombios_crtc_set_dcpll(crtc);
1164         atombios_crtc_set_pll(crtc, adjusted_mode);
1165         atombios_enable_ss(crtc);
1166
1167         if (ASIC_IS_DCE4(rdev))
1168                 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1169         else if (ASIC_IS_AVIVO(rdev))
1170                 atombios_crtc_set_timing(crtc, adjusted_mode);
1171         else {
1172                 atombios_crtc_set_timing(crtc, adjusted_mode);
1173                 if (radeon_crtc->crtc_id == 0)
1174                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1175                 radeon_legacy_atom_fixup(crtc);
1176         }
1177         atombios_crtc_set_base(crtc, x, y, old_fb);
1178         atombios_overscan_setup(crtc, mode, adjusted_mode);
1179         atombios_scaler_setup(crtc);
1180         return 0;
1181 }
1182
1183 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1184                                      struct drm_display_mode *mode,
1185                                      struct drm_display_mode *adjusted_mode)
1186 {
1187         struct drm_device *dev = crtc->dev;
1188         struct radeon_device *rdev = dev->dev_private;
1189
1190         /* adjust pm to upcoming mode change */
1191         radeon_pm_compute_clocks(rdev);
1192
1193         if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1194                 return false;
1195         return true;
1196 }
1197
1198 static void atombios_crtc_prepare(struct drm_crtc *crtc)
1199 {
1200         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1201
1202         /* pick pll */
1203         radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1204
1205         atombios_lock_crtc(crtc, ATOM_ENABLE);
1206         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1207 }
1208
1209 static void atombios_crtc_commit(struct drm_crtc *crtc)
1210 {
1211         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1212         atombios_lock_crtc(crtc, ATOM_DISABLE);
1213 }
1214
1215 static void atombios_crtc_disable(struct drm_crtc *crtc)
1216 {
1217         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1218         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1219
1220         switch (radeon_crtc->pll_id) {
1221         case ATOM_PPLL1:
1222         case ATOM_PPLL2:
1223                 /* disable the ppll */
1224                 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1225                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0);
1226                 break;
1227         default:
1228                 break;
1229         }
1230         radeon_crtc->pll_id = -1;
1231 }
1232
1233 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1234         .dpms = atombios_crtc_dpms,
1235         .mode_fixup = atombios_crtc_mode_fixup,
1236         .mode_set = atombios_crtc_mode_set,
1237         .mode_set_base = atombios_crtc_set_base,
1238         .prepare = atombios_crtc_prepare,
1239         .commit = atombios_crtc_commit,
1240         .load_lut = radeon_crtc_load_lut,
1241         .disable = atombios_crtc_disable,
1242 };
1243
1244 void radeon_atombios_init_crtc(struct drm_device *dev,
1245                                struct radeon_crtc *radeon_crtc)
1246 {
1247         struct radeon_device *rdev = dev->dev_private;
1248
1249         if (ASIC_IS_DCE4(rdev)) {
1250                 switch (radeon_crtc->crtc_id) {
1251                 case 0:
1252                 default:
1253                         radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1254                         break;
1255                 case 1:
1256                         radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1257                         break;
1258                 case 2:
1259                         radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1260                         break;
1261                 case 3:
1262                         radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1263                         break;
1264                 case 4:
1265                         radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1266                         break;
1267                 case 5:
1268                         radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1269                         break;
1270                 }
1271         } else {
1272                 if (radeon_crtc->crtc_id == 1)
1273                         radeon_crtc->crtc_offset =
1274                                 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1275                 else
1276                         radeon_crtc->crtc_offset = 0;
1277         }
1278         radeon_crtc->pll_id = -1;
1279         drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
1280 }