drivers/gpu/drm/nouveau/nv50_display.c

   1         /*
   2  * Copyright 2011 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  */
  24
  25 #include <linux/dma-mapping.h>
  26
  27 #include <drm/drmP.h>
  28 #include <drm/drm_crtc_helper.h>
  29
  30 #include "nouveau_drm.h"
  31 #include "nouveau_dma.h"
  32 #include "nouveau_gem.h"
  33 #include "nouveau_connector.h"
  34 #include "nouveau_encoder.h"
  35 #include "nouveau_crtc.h"
  36 #include "nouveau_fence.h"
  37 #include "nv50_display.h"
  38
  39 #include <core/client.h>
  40 #include <core/gpuobj.h>
  41 #include <core/class.h>
  42
  43 #include <subdev/timer.h>
  44 #include <subdev/bar.h>
  45 #include <subdev/fb.h>
  46
  47 #define EVO_DMA_NR 9
  48
  49 #define EVO_MASTER  (0x00)
  50 #define EVO_FLIP(c) (0x01 + (c))
  51 #define EVO_OVLY(c) (0x05 + (c))
  52 #define EVO_OIMM(c) (0x09 + (c))
  53 #define EVO_CURS(c) (0x0d + (c))
  54
  55 /* offsets in shared sync bo of various structures */
  56 #define EVO_SYNC(c, o) ((c) * 0x0100 + (o))
  57 #define EVO_MAST_NTFY     EVO_SYNC(  0, 0x00)
  58 #define EVO_FLIP_SEM0(c)  EVO_SYNC((c), 0x00)
  59 #define EVO_FLIP_SEM1(c)  EVO_SYNC((c), 0x10)
  60
  61 #define EVO_CORE_HANDLE      (0xd1500000)
  62 #define EVO_CHAN_HANDLE(t,i) (0xd15c0000 | (((t) & 0x00ff) << 8) | (i))
  63 #define EVO_CHAN_OCLASS(t,c) ((nv_hclass(c) & 0xff00) | ((t) & 0x00ff))
  64 #define EVO_PUSH_HANDLE(t,i) (0xd15b0000 | (i) |                               \
  65                               (((NV50_DISP_##t##_CLASS) & 0x00ff) << 8))
  66
  67 /******************************************************************************
  68  * EVO channel
  69  *****************************************************************************/
  70
  71 struct nv50_chan {
  72         struct nouveau_object *user;
  73         u32 handle;
  74 };
  75
  76 static int
  77 nv50_chan_create(struct nouveau_object *core, u32 bclass, u8 head,
  78                  void *data, u32 size, struct nv50_chan *chan)
  79 {
  80         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
  81         const u32 oclass = EVO_CHAN_OCLASS(bclass, core);
  82         const u32 handle = EVO_CHAN_HANDLE(bclass, head);
  83         int ret;
  84
  85         ret = nouveau_object_new(client, EVO_CORE_HANDLE, handle,
  86                                  oclass, data, size, &chan->user);
  87         if (ret)
  88                 return ret;
  89
  90         chan->handle = handle;
  91         return 0;
  92 }
  93
  94 static void
  95 nv50_chan_destroy(struct nouveau_object *core, struct nv50_chan *chan)
  96 {
  97         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
  98         if (chan->handle)
  99                 nouveau_object_del(client, EVO_CORE_HANDLE, chan->handle);
 100 }
 101
 102 /******************************************************************************
 103  * PIO EVO channel
 104  *****************************************************************************/
 105
 106 struct nv50_pioc {
 107         struct nv50_chan base;
 108 };
 109
 110 static void
 111 nv50_pioc_destroy(struct nouveau_object *core, struct nv50_pioc *pioc)
 112 {
 113         nv50_chan_destroy(core, &pioc->base);
 114 }
 115
 116 static int
 117 nv50_pioc_create(struct nouveau_object *core, u32 bclass, u8 head,
 118                  void *data, u32 size, struct nv50_pioc *pioc)
 119 {
 120         return nv50_chan_create(core, bclass, head, data, size, &pioc->base);
 121 }
 122
 123 /******************************************************************************
 124  * DMA EVO channel
 125  *****************************************************************************/
 126
 127 struct nv50_dmac {
 128         struct nv50_chan base;
 129         dma_addr_t handle;
 130         u32 *ptr;
 131 };
 132
 133 static void
 134 nv50_dmac_destroy(struct nouveau_object *core, struct nv50_dmac *dmac)
 135 {
 136         if (dmac->ptr) {
 137                 struct pci_dev *pdev = nv_device(core)->pdev;
 138                 pci_free_consistent(pdev, PAGE_SIZE, dmac->ptr, dmac->handle);
 139         }
 140
 141         nv50_chan_destroy(core, &dmac->base);
 142 }
 143
 144 static int
 145 nv50_dmac_create_fbdma(struct nouveau_object *core, u32 parent)
 146 {
 147         struct nouveau_fb *pfb = nouveau_fb(core);
 148         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 149         struct nouveau_object *object;
 150         int ret = nouveau_object_new(client, parent, NvEvoVRAM_LP,
 151                                      NV_DMA_IN_MEMORY_CLASS,
 152                                      &(struct nv_dma_class) {
 153                                         .flags = NV_DMA_TARGET_VRAM |
 154                                                  NV_DMA_ACCESS_RDWR,
 155                                         .start = 0,
 156                                         .limit = pfb->ram.size - 1,
 157                                         .conf0 = NV50_DMA_CONF0_ENABLE |
 158                                                  NV50_DMA_CONF0_PART_256,
 159                                      }, sizeof(struct nv_dma_class), &object);
 160         if (ret)
 161                 return ret;
 162
 163         ret = nouveau_object_new(client, parent, NvEvoFB16,
 164                                  NV_DMA_IN_MEMORY_CLASS,
 165                                  &(struct nv_dma_class) {
 166                                         .flags = NV_DMA_TARGET_VRAM |
 167                                                  NV_DMA_ACCESS_RDWR,
 168                                         .start = 0,
 169                                         .limit = pfb->ram.size - 1,
 170                                         .conf0 = NV50_DMA_CONF0_ENABLE | 0x70 |
 171                                                  NV50_DMA_CONF0_PART_256,
 172                                  }, sizeof(struct nv_dma_class), &object);
 173         if (ret)
 174                 return ret;
 175
 176         ret = nouveau_object_new(client, parent, NvEvoFB32,
 177                                  NV_DMA_IN_MEMORY_CLASS,
 178                                  &(struct nv_dma_class) {
 179                                         .flags = NV_DMA_TARGET_VRAM |
 180                                                  NV_DMA_ACCESS_RDWR,
 181                                         .start = 0,
 182                                         .limit = pfb->ram.size - 1,
 183                                         .conf0 = NV50_DMA_CONF0_ENABLE | 0x7a |
 184                                                  NV50_DMA_CONF0_PART_256,
 185                                  }, sizeof(struct nv_dma_class), &object);
 186         return ret;
 187 }
 188
 189 static int
 190 nvc0_dmac_create_fbdma(struct nouveau_object *core, u32 parent)
 191 {
 192         struct nouveau_fb *pfb = nouveau_fb(core);
 193         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 194         struct nouveau_object *object;
 195         int ret = nouveau_object_new(client, parent, NvEvoVRAM_LP,
 196                                      NV_DMA_IN_MEMORY_CLASS,
 197                                      &(struct nv_dma_class) {
 198                                         .flags = NV_DMA_TARGET_VRAM |
 199                                                  NV_DMA_ACCESS_RDWR,
 200                                         .start = 0,
 201                                         .limit = pfb->ram.size - 1,
 202                                         .conf0 = NVC0_DMA_CONF0_ENABLE,
 203                                      }, sizeof(struct nv_dma_class), &object);
 204         if (ret)
 205                 return ret;
 206
 207         ret = nouveau_object_new(client, parent, NvEvoFB16,
 208                                  NV_DMA_IN_MEMORY_CLASS,
 209                                  &(struct nv_dma_class) {
 210                                         .flags = NV_DMA_TARGET_VRAM |
 211                                                  NV_DMA_ACCESS_RDWR,
 212                                         .start = 0,
 213                                         .limit = pfb->ram.size - 1,
 214                                         .conf0 = NVC0_DMA_CONF0_ENABLE | 0xfe,
 215                                  }, sizeof(struct nv_dma_class), &object);
 216         if (ret)
 217                 return ret;
 218
 219         ret = nouveau_object_new(client, parent, NvEvoFB32,
 220                                  NV_DMA_IN_MEMORY_CLASS,
 221                                  &(struct nv_dma_class) {
 222                                         .flags = NV_DMA_TARGET_VRAM |
 223                                                  NV_DMA_ACCESS_RDWR,
 224                                         .start = 0,
 225                                         .limit = pfb->ram.size - 1,
 226                                         .conf0 = NVC0_DMA_CONF0_ENABLE | 0xfe,
 227                                  }, sizeof(struct nv_dma_class), &object);
 228         return ret;
 229 }
 230
 231 static int
 232 nvd0_dmac_create_fbdma(struct nouveau_object *core, u32 parent)
 233 {
 234         struct nouveau_fb *pfb = nouveau_fb(core);
 235         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 236         struct nouveau_object *object;
 237         int ret = nouveau_object_new(client, parent, NvEvoVRAM_LP,
 238                                      NV_DMA_IN_MEMORY_CLASS,
 239                                      &(struct nv_dma_class) {
 240                                         .flags = NV_DMA_TARGET_VRAM |
 241                                                  NV_DMA_ACCESS_RDWR,
 242                                         .start = 0,
 243                                         .limit = pfb->ram.size - 1,
 244                                         .conf0 = NVD0_DMA_CONF0_ENABLE |
 245                                                  NVD0_DMA_CONF0_PAGE_LP,
 246                                      }, sizeof(struct nv_dma_class), &object);
 247         if (ret)
 248                 return ret;
 249
 250         ret = nouveau_object_new(client, parent, NvEvoFB32,
 251                                  NV_DMA_IN_MEMORY_CLASS,
 252                                  &(struct nv_dma_class) {
 253                                         .flags = NV_DMA_TARGET_VRAM |
 254                                                  NV_DMA_ACCESS_RDWR,
 255                                         .start = 0,
 256                                         .limit = pfb->ram.size - 1,
 257                                         .conf0 = NVD0_DMA_CONF0_ENABLE | 0xfe |
 258                                                  NVD0_DMA_CONF0_PAGE_LP,
 259                                  }, sizeof(struct nv_dma_class), &object);
 260         return ret;
 261 }
 262
 263 static int
 264 nv50_dmac_create(struct nouveau_object *core, u32 bclass, u8 head,
 265                  void *data, u32 size, u64 syncbuf,
 266                  struct nv50_dmac *dmac)
 267 {
 268         struct nouveau_fb *pfb = nouveau_fb(core);
 269         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 270         struct nouveau_object *object;
 271         u32 pushbuf = *(u32 *)data;
 272         int ret;
 273
 274         dmac->ptr = pci_alloc_consistent(nv_device(core)->pdev, PAGE_SIZE,
 275                                         &dmac->handle);
 276         if (!dmac->ptr)
 277                 return -ENOMEM;
 278
 279         ret = nouveau_object_new(client, NVDRM_DEVICE, pushbuf,
 280                                  NV_DMA_FROM_MEMORY_CLASS,
 281                                  &(struct nv_dma_class) {
 282                                         .flags = NV_DMA_TARGET_PCI_US |
 283                                                  NV_DMA_ACCESS_RD,
 284                                         .start = dmac->handle + 0x0000,
 285                                         .limit = dmac->handle + 0x0fff,
 286                                  }, sizeof(struct nv_dma_class), &object);
 287         if (ret)
 288                 return ret;
 289
 290         ret = nv50_chan_create(core, bclass, head, data, size, &dmac->base);
 291         if (ret)
 292                 return ret;
 293
 294         ret = nouveau_object_new(client, dmac->base.handle, NvEvoSync,
 295                                  NV_DMA_IN_MEMORY_CLASS,
 296                                  &(struct nv_dma_class) {
 297                                         .flags = NV_DMA_TARGET_VRAM |
 298                                                  NV_DMA_ACCESS_RDWR,
 299                                         .start = syncbuf + 0x0000,
 300                                         .limit = syncbuf + 0x0fff,
 301                                  }, sizeof(struct nv_dma_class), &object);
 302         if (ret)
 303                 return ret;
 304
 305         ret = nouveau_object_new(client, dmac->base.handle, NvEvoVRAM,
 306                                  NV_DMA_IN_MEMORY_CLASS,
 307                                  &(struct nv_dma_class) {
 308                                         .flags = NV_DMA_TARGET_VRAM |
 309                                                  NV_DMA_ACCESS_RDWR,
 310                                         .start = 0,
 311                                         .limit = pfb->ram.size - 1,
 312                                  }, sizeof(struct nv_dma_class), &object);
 313         if (ret)
 314                 return ret;
 315
 316         if (nv_device(core)->card_type < NV_C0)
 317                 ret = nv50_dmac_create_fbdma(core, dmac->base.handle);
 318         else
 319         if (nv_device(core)->card_type < NV_D0)
 320                 ret = nvc0_dmac_create_fbdma(core, dmac->base.handle);
 321         else
 322                 ret = nvd0_dmac_create_fbdma(core, dmac->base.handle);
 323         return ret;
 324 }
 325
 326 struct nv50_mast {
 327         struct nv50_dmac base;
 328 };
 329
 330 struct nv50_curs {
 331         struct nv50_pioc base;
 332 };
 333
 334 struct nv50_sync {
 335         struct nv50_dmac base;
 336         struct {
 337                 u32 offset;
 338                 u16 value;
 339         } sem;
 340 };
 341
 342 struct nv50_ovly {
 343         struct nv50_dmac base;
 344 };
 345
 346 struct nv50_oimm {
 347         struct nv50_pioc base;
 348 };
 349
 350 struct nv50_head {
 351         struct nouveau_crtc base;
 352         struct nv50_curs curs;
 353         struct nv50_sync sync;
 354         struct nv50_ovly ovly;
 355         struct nv50_oimm oimm;
 356 };
 357
 358 #define nv50_head(c) ((struct nv50_head *)nouveau_crtc(c))
 359 #define nv50_curs(c) (&nv50_head(c)->curs)
 360 #define nv50_sync(c) (&nv50_head(c)->sync)
 361 #define nv50_ovly(c) (&nv50_head(c)->ovly)
 362 #define nv50_oimm(c) (&nv50_head(c)->oimm)
 363 #define nv50_chan(c) (&(c)->base.base)
 364 #define nv50_vers(c) nv_mclass(nv50_chan(c)->user)
 365
 366 struct nv50_disp {
 367         struct nouveau_object *core;
 368         struct nv50_mast mast;
 369
 370         u32 modeset;
 371
 372         struct nouveau_bo *sync;
 373 };
 374
 375 static struct nv50_disp *
 376 nv50_disp(struct drm_device *dev)
 377 {
 378         return nouveau_display(dev)->priv;
 379 }
 380
 381 #define nv50_mast(d) (&nv50_disp(d)->mast)
 382
 383 static struct drm_crtc *
 384 nv50_display_crtc_get(struct drm_encoder *encoder)
 385 {
 386         return nouveau_encoder(encoder)->crtc;
 387 }
 388
 389 /******************************************************************************
 390  * EVO channel helpers
 391  *****************************************************************************/
 392 static u32 *
 393 evo_wait(void *evoc, int nr)
 394 {
 395         struct nv50_dmac *dmac = evoc;
 396         u32 put = nv_ro32(dmac->base.user, 0x0000) / 4;
 397
 398         if (put + nr >= (PAGE_SIZE / 4) - 8) {
 399                 dmac->ptr[put] = 0x20000000;
 400
 401                 nv_wo32(dmac->base.user, 0x0000, 0x00000000);
 402                 if (!nv_wait(dmac->base.user, 0x0004, ~0, 0x00000000)) {
 403                         NV_ERROR(dmac->base.user, "channel stalled\n");
 404                         return NULL;
 405                 }
 406
 407                 put = 0;
 408         }
 409
 410         return dmac->ptr + put;
 411 }
 412
 413 static void
 414 evo_kick(u32 *push, void *evoc)
 415 {
 416         struct nv50_dmac *dmac = evoc;
 417         nv_wo32(dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
 418 }
 419
 420 #define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
 421 #define evo_data(p,d)   *((p)++) = (d)
 422
 423 static bool
 424 evo_sync_wait(void *data)
 425 {
 426         return nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000;
 427 }
 428
 429 static int
 430 evo_sync(struct drm_device *dev)
 431 {
 432         struct nouveau_device *device = nouveau_dev(dev);
 433         struct nv50_disp *disp = nv50_disp(dev);
 434         struct nv50_mast *mast = nv50_mast(dev);
 435         u32 *push = evo_wait(mast, 8);
 436         if (push) {
 437                 nouveau_bo_wr32(disp->sync, EVO_MAST_NTFY, 0x00000000);
 438                 evo_mthd(push, 0x0084, 1);
 439                 evo_data(push, 0x80000000 | EVO_MAST_NTFY);
 440                 evo_mthd(push, 0x0080, 2);
 441                 evo_data(push, 0x00000000);
 442                 evo_data(push, 0x00000000);
 443                 evo_kick(push, mast);
 444                 if (nv_wait_cb(device, evo_sync_wait, disp->sync))
 445                         return 0;
 446         }
 447
 448         return -EBUSY;
 449 }
 450
 451 /******************************************************************************
 452  * Page flipping channel
 453  *****************************************************************************/
 454 struct nouveau_bo *
 455 nv50_display_crtc_sema(struct drm_device *dev, int crtc)
 456 {
 457         return nv50_disp(dev)->sync;
 458 }
 459
 460 void
 461 nv50_display_flip_stop(struct drm_crtc *crtc)
 462 {
 463         struct nv50_sync *sync = nv50_sync(crtc);
 464         u32 *push;
 465
 466         push = evo_wait(sync, 8);
 467         if (push) {
 468                 evo_mthd(push, 0x0084, 1);
 469                 evo_data(push, 0x00000000);
 470                 evo_mthd(push, 0x0094, 1);
 471                 evo_data(push, 0x00000000);
 472                 evo_mthd(push, 0x00c0, 1);
 473                 evo_data(push, 0x00000000);
 474                 evo_mthd(push, 0x0080, 1);
 475                 evo_data(push, 0x00000000);
 476                 evo_kick(push, sync);
 477         }
 478 }
 479
 480 int
 481 nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 482                        struct nouveau_channel *chan, u32 swap_interval)
 483 {
 484         struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
 485         struct nv50_disp *disp = nv50_disp(crtc->dev);
 486         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 487         struct nv50_sync *sync = nv50_sync(crtc);
 488         u32 *push;
 489         int ret;
 490
 491         swap_interval <<= 4;
 492         if (swap_interval == 0)
 493                 swap_interval |= 0x100;
 494
 495         push = evo_wait(sync, 128);
 496         if (unlikely(push == NULL))
 497                 return -EBUSY;
 498
 499         /* synchronise with the rendering channel, if necessary */
 500         if (likely(chan)) {
 501                 ret = RING_SPACE(chan, 10);
 502                 if (ret)
 503                         return ret;
 504
 505                 if (nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) {
 506                         BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2);
 507                         OUT_RING  (chan, NvEvoSema0 + nv_crtc->index);
 508                         OUT_RING  (chan, sync->sem.offset);
 509                         BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_RELEASE, 1);
 510                         OUT_RING  (chan, 0xf00d0000 | sync->sem.value);
 511                         BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_OFFSET, 2);
 512                         OUT_RING  (chan, sync->sem.offset ^ 0x10);
 513                         OUT_RING  (chan, 0x74b1e000);
 514                         BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1);
 515                         if (nv_mclass(chan->object) < NV84_CHANNEL_DMA_CLASS)
 516                                 OUT_RING  (chan, NvSema);
 517                         else
 518                                 OUT_RING  (chan, chan->vram);
 519                 } else {
 520                         u64 offset = nvc0_fence_crtc(chan, nv_crtc->index);
 521                         offset += sync->sem.offset;
 522
 523                         BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
 524                         OUT_RING  (chan, upper_32_bits(offset));
 525                         OUT_RING  (chan, lower_32_bits(offset));
 526                         OUT_RING  (chan, 0xf00d0000 | sync->sem.value);
 527                         OUT_RING  (chan, 0x1002);
 528                         BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
 529                         OUT_RING  (chan, upper_32_bits(offset));
 530                         OUT_RING  (chan, lower_32_bits(offset ^ 0x10));
 531                         OUT_RING  (chan, 0x74b1e000);
 532                         OUT_RING  (chan, 0x1001);
 533                 }
 534
 535                 FIRE_RING (chan);
 536         } else {
 537                 nouveau_bo_wr32(disp->sync, sync->sem.offset / 4,
 538                                 0xf00d0000 | sync->sem.value);
 539                 evo_sync(crtc->dev);
 540         }
 541
 542         /* queue the flip */
 543         evo_mthd(push, 0x0100, 1);
 544         evo_data(push, 0xfffe0000);
 545         evo_mthd(push, 0x0084, 1);
 546         evo_data(push, swap_interval);
 547         if (!(swap_interval & 0x00000100)) {
 548                 evo_mthd(push, 0x00e0, 1);
 549                 evo_data(push, 0x40000000);
 550         }
 551         evo_mthd(push, 0x0088, 4);
 552         evo_data(push, sync->sem.offset);
 553         evo_data(push, 0xf00d0000 | sync->sem.value);
 554         evo_data(push, 0x74b1e000);
 555         evo_data(push, NvEvoSync);
 556         evo_mthd(push, 0x00a0, 2);
 557         evo_data(push, 0x00000000);
 558         evo_data(push, 0x00000000);
 559         evo_mthd(push, 0x00c0, 1);
 560         evo_data(push, nv_fb->r_dma);
 561         evo_mthd(push, 0x0110, 2);
 562         evo_data(push, 0x00000000);
 563         evo_data(push, 0x00000000);
 564         if (nv50_vers(sync) < NVD0_DISP_SYNC_CLASS) {
 565                 evo_mthd(push, 0x0800, 5);
 566                 evo_data(push, nv_fb->nvbo->bo.offset >> 8);
 567                 evo_data(push, 0);
 568                 evo_data(push, (fb->height << 16) | fb->width);
 569                 evo_data(push, nv_fb->r_pitch);
 570                 evo_data(push, nv_fb->r_format);
 571         } else {
 572                 evo_mthd(push, 0x0400, 5);
 573                 evo_data(push, nv_fb->nvbo->bo.offset >> 8);
 574                 evo_data(push, 0);
 575                 evo_data(push, (fb->height << 16) | fb->width);
 576                 evo_data(push, nv_fb->r_pitch);
 577                 evo_data(push, nv_fb->r_format);
 578         }
 579         evo_mthd(push, 0x0080, 1);
 580         evo_data(push, 0x00000000);
 581         evo_kick(push, sync);
 582
 583         sync->sem.offset ^= 0x10;
 584         sync->sem.value++;
 585         return 0;
 586 }
 587
 588 /******************************************************************************
 589  * CRTC
 590  *****************************************************************************/
 591 static int
 592 nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
 593 {
 594         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 595         struct nouveau_connector *nv_connector;
 596         struct drm_connector *connector;
 597         u32 *push, mode = 0x00;
 598
 599         nv_connector = nouveau_crtc_connector_get(nv_crtc);
 600         connector = &nv_connector->base;
 601         if (nv_connector->dithering_mode == DITHERING_MODE_AUTO) {
 602                 if (nv_crtc->base.fb->depth > connector->display_info.bpc * 3)
 603                         mode = DITHERING_MODE_DYNAMIC2X2;
 604         } else {
 605                 mode = nv_connector->dithering_mode;
 606         }
 607
 608         if (nv_connector->dithering_depth == DITHERING_DEPTH_AUTO) {
 609                 if (connector->display_info.bpc >= 8)
 610                         mode |= DITHERING_DEPTH_8BPC;
 611         } else {
 612                 mode |= nv_connector->dithering_depth;
 613         }
 614
 615         push = evo_wait(mast, 4);
 616         if (push) {
 617                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 618                         evo_mthd(push, 0x08a0 + (nv_crtc->index * 0x0400), 1);
 619                         evo_data(push, mode);
 620                 } else
 621                 if (nv50_vers(mast) < NVE0_DISP_MAST_CLASS) {
 622                         evo_mthd(push, 0x0490 + (nv_crtc->index * 0x0300), 1);
 623                         evo_data(push, mode);
 624                 } else {
 625                         evo_mthd(push, 0x04a0 + (nv_crtc->index * 0x0300), 1);
 626                         evo_data(push, mode);
 627                 }
 628
 629                 if (update) {
 630                         evo_mthd(push, 0x0080, 1);
 631                         evo_data(push, 0x00000000);
 632                 }
 633                 evo_kick(push, mast);
 634         }
 635
 636         return 0;
 637 }
 638
 639 static int
 640 nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
 641 {
 642         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 643         struct drm_display_mode *omode, *umode = &nv_crtc->base.mode;
 644         struct drm_crtc *crtc = &nv_crtc->base;
 645         struct nouveau_connector *nv_connector;
 646         int mode = DRM_MODE_SCALE_NONE;
 647         u32 oX, oY, *push;
 648
 649         /* start off at the resolution we programmed the crtc for, this
 650          * effectively handles NONE/FULL scaling
 651          */
 652         nv_connector = nouveau_crtc_connector_get(nv_crtc);
 653         if (nv_connector && nv_connector->native_mode)
 654                 mode = nv_connector->scaling_mode;
 655
 656         if (mode != DRM_MODE_SCALE_NONE)
 657                 omode = nv_connector->native_mode;
 658         else
 659                 omode = umode;
 660
 661         oX = omode->hdisplay;
 662         oY = omode->vdisplay;
 663         if (omode->flags & DRM_MODE_FLAG_DBLSCAN)
 664                 oY *= 2;
 665
 666         /* add overscan compensation if necessary, will keep the aspect
 667          * ratio the same as the backend mode unless overridden by the
 668          * user setting both hborder and vborder properties.
 669          */
 670         if (nv_connector && ( nv_connector->underscan == UNDERSCAN_ON ||
 671                              (nv_connector->underscan == UNDERSCAN_AUTO &&
 672                               nv_connector->edid &&
 673                               drm_detect_hdmi_monitor(nv_connector->edid)))) {
 674                 u32 bX = nv_connector->underscan_hborder;
 675                 u32 bY = nv_connector->underscan_vborder;
 676                 u32 aspect = (oY << 19) / oX;
 677
 678                 if (bX) {
 679                         oX -= (bX * 2);
 680                         if (bY) oY -= (bY * 2);
 681                         else    oY  = ((oX * aspect) + (aspect / 2)) >> 19;
 682                 } else {
 683                         oX -= (oX >> 4) + 32;
 684                         if (bY) oY -= (bY * 2);
 685                         else    oY  = ((oX * aspect) + (aspect / 2)) >> 19;
 686                 }
 687         }
 688
 689         /* handle CENTER/ASPECT scaling, taking into account the areas
 690          * removed already for overscan compensation
 691          */
 692         switch (mode) {
 693         case DRM_MODE_SCALE_CENTER:
 694                 oX = min((u32)umode->hdisplay, oX);
 695                 oY = min((u32)umode->vdisplay, oY);
 696                 /* fall-through */
 697         case DRM_MODE_SCALE_ASPECT:
 698                 if (oY < oX) {
 699                         u32 aspect = (umode->hdisplay << 19) / umode->vdisplay;
 700                         oX = ((oY * aspect) + (aspect / 2)) >> 19;
 701                 } else {
 702                         u32 aspect = (umode->vdisplay << 19) / umode->hdisplay;
 703                         oY = ((oX * aspect) + (aspect / 2)) >> 19;
 704                 }
 705                 break;
 706         default:
 707                 break;
 708         }
 709
 710         push = evo_wait(mast, 8);
 711         if (push) {
 712                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 713                         /*XXX: SCALE_CTRL_ACTIVE??? */
 714                         evo_mthd(push, 0x08d8 + (nv_crtc->index * 0x400), 2);
 715                         evo_data(push, (oY << 16) | oX);
 716                         evo_data(push, (oY << 16) | oX);
 717                         evo_mthd(push, 0x08a4 + (nv_crtc->index * 0x400), 1);
 718                         evo_data(push, 0x00000000);
 719                         evo_mthd(push, 0x08c8 + (nv_crtc->index * 0x400), 1);
 720                         evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
 721                 } else {
 722                         evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
 723                         evo_data(push, (oY << 16) | oX);
 724                         evo_data(push, (oY << 16) | oX);
 725                         evo_data(push, (oY << 16) | oX);
 726                         evo_mthd(push, 0x0494 + (nv_crtc->index * 0x300), 1);
 727                         evo_data(push, 0x00000000);
 728                         evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
 729                         evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
 730                 }
 731
 732                 evo_kick(push, mast);
 733
 734                 if (update) {
 735                         nv50_display_flip_stop(crtc);
 736                         nv50_display_flip_next(crtc, crtc->fb, NULL, 1);
 737                 }
 738         }
 739
 740         return 0;
 741 }
 742
 743 static int
 744 nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
 745 {
 746         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 747         u32 *push, hue, vib;
 748         int adj;
 749
 750         adj = (nv_crtc->color_vibrance > 0) ? 50 : 0;
 751         vib = ((nv_crtc->color_vibrance * 2047 + adj) / 100) & 0xfff;
 752         hue = ((nv_crtc->vibrant_hue * 2047) / 100) & 0xfff;
 753
 754         push = evo_wait(mast, 16);
 755         if (push) {
 756                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 757                         evo_mthd(push, 0x08a8 + (nv_crtc->index * 0x400), 1);
 758                         evo_data(push, (hue << 20) | (vib << 8));
 759                 } else {
 760                         evo_mthd(push, 0x0498 + (nv_crtc->index * 0x300), 1);
 761                         evo_data(push, (hue << 20) | (vib << 8));
 762                 }
 763
 764                 if (update) {
 765                         evo_mthd(push, 0x0080, 1);
 766                         evo_data(push, 0x00000000);
 767                 }
 768                 evo_kick(push, mast);
 769         }
 770
 771         return 0;
 772 }
 773
 774 static int
 775 nv50_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
 776                     int x, int y, bool update)
 777 {
 778         struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
 779         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 780         u32 *push;
 781
 782         push = evo_wait(mast, 16);
 783         if (push) {
 784                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 785                         evo_mthd(push, 0x0860 + (nv_crtc->index * 0x400), 1);
 786                         evo_data(push, nvfb->nvbo->bo.offset >> 8);
 787                         evo_mthd(push, 0x0868 + (nv_crtc->index * 0x400), 3);
 788                         evo_data(push, (fb->height << 16) | fb->width);
 789                         evo_data(push, nvfb->r_pitch);
 790                         evo_data(push, nvfb->r_format);
 791                         evo_mthd(push, 0x08c0 + (nv_crtc->index * 0x400), 1);
 792                         evo_data(push, (y << 16) | x);
 793                         if (nv50_vers(mast) > NV50_DISP_MAST_CLASS) {
 794                                 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 795                                 evo_data(push, nvfb->r_dma);
 796                         }
 797                 } else {
 798                         evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
 799                         evo_data(push, nvfb->nvbo->bo.offset >> 8);
 800                         evo_mthd(push, 0x0468 + (nv_crtc->index * 0x300), 4);
 801                         evo_data(push, (fb->height << 16) | fb->width);
 802                         evo_data(push, nvfb->r_pitch);
 803                         evo_data(push, nvfb->r_format);
 804                         evo_data(push, nvfb->r_dma);
 805                         evo_mthd(push, 0x04b0 + (nv_crtc->index * 0x300), 1);
 806                         evo_data(push, (y << 16) | x);
 807                 }
 808
 809                 if (update) {
 810                         evo_mthd(push, 0x0080, 1);
 811                         evo_data(push, 0x00000000);
 812                 }
 813                 evo_kick(push, mast);
 814         }
 815
 816         nv_crtc->fb.tile_flags = nvfb->r_dma;
 817         return 0;
 818 }
 819
 820 static void
 821 nv50_crtc_cursor_show(struct nouveau_crtc *nv_crtc)
 822 {
 823         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 824         u32 *push = evo_wait(mast, 16);
 825         if (push) {
 826                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 827                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
 828                         evo_data(push, 0x85000000);
 829                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
 830                 } else
 831                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 832                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
 833                         evo_data(push, 0x85000000);
 834                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
 835                         evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
 836                         evo_data(push, NvEvoVRAM);
 837                 } else {
 838                         evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
 839                         evo_data(push, 0x85000000);
 840                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
 841                         evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
 842                         evo_data(push, NvEvoVRAM);
 843                 }
 844                 evo_kick(push, mast);
 845         }
 846 }
 847
 848 static void
 849 nv50_crtc_cursor_hide(struct nouveau_crtc *nv_crtc)
 850 {
 851         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 852         u32 *push = evo_wait(mast, 16);
 853         if (push) {
 854                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 855                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
 856                         evo_data(push, 0x05000000);
 857                 } else
 858                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 859                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
 860                         evo_data(push, 0x05000000);
 861                         evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
 862                         evo_data(push, 0x00000000);
 863                 } else {
 864                         evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 1);
 865                         evo_data(push, 0x05000000);
 866                         evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
 867                         evo_data(push, 0x00000000);
 868                 }
 869                 evo_kick(push, mast);
 870         }
 871 }
 872
 873 static void
 874 nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update)
 875 {
 876         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 877
 878         if (show)
 879                 nv50_crtc_cursor_show(nv_crtc);
 880         else
 881                 nv50_crtc_cursor_hide(nv_crtc);
 882
 883         if (update) {
 884                 u32 *push = evo_wait(mast, 2);
 885                 if (push) {
 886                         evo_mthd(push, 0x0080, 1);
 887                         evo_data(push, 0x00000000);
 888                         evo_kick(push, mast);
 889                 }
 890         }
 891 }
 892
 893 static void
 894 nv50_crtc_dpms(struct drm_crtc *crtc, int mode)
 895 {
 896 }
 897
 898 static void
 899 nv50_crtc_prepare(struct drm_crtc *crtc)
 900 {
 901         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 902         struct nv50_mast *mast = nv50_mast(crtc->dev);
 903         u32 *push;
 904
 905         nv50_display_flip_stop(crtc);
 906
 907         push = evo_wait(mast, 2);
 908         if (push) {
 909                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 910                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 911                         evo_data(push, 0x00000000);
 912                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
 913                         evo_data(push, 0x40000000);
 914                 } else
 915                 if (nv50_vers(mast) <  NVD0_DISP_MAST_CLASS) {
 916                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 917                         evo_data(push, 0x00000000);
 918                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
 919                         evo_data(push, 0x40000000);
 920                         evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
 921                         evo_data(push, 0x00000000);
 922                 } else {
 923                         evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
 924                         evo_data(push, 0x00000000);
 925                         evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 1);
 926                         evo_data(push, 0x03000000);
 927                         evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
 928                         evo_data(push, 0x00000000);
 929                 }
 930
 931                 evo_kick(push, mast);
 932         }
 933
 934         nv50_crtc_cursor_show_hide(nv_crtc, false, false);
 935 }
 936
 937 static void
 938 nv50_crtc_commit(struct drm_crtc *crtc)
 939 {
 940         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 941         struct nv50_mast *mast = nv50_mast(crtc->dev);
 942         u32 *push;
 943
 944         push = evo_wait(mast, 32);
 945         if (push) {
 946                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 947                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 948                         evo_data(push, NvEvoVRAM_LP);
 949                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
 950                         evo_data(push, 0xc0000000);
 951                         evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
 952                 } else
 953                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 954                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 955                         evo_data(push, nv_crtc->fb.tile_flags);
 956                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
 957                         evo_data(push, 0xc0000000);
 958                         evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
 959                         evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
 960                         evo_data(push, NvEvoVRAM);
 961                 } else {
 962                         evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
 963                         evo_data(push, nv_crtc->fb.tile_flags);
 964                         evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 4);
 965                         evo_data(push, 0x83000000);
 966                         evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
 967                         evo_data(push, 0x00000000);
 968                         evo_data(push, 0x00000000);
 969                         evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
 970                         evo_data(push, NvEvoVRAM);
 971                         evo_mthd(push, 0x0430 + (nv_crtc->index * 0x300), 1);
 972                         evo_data(push, 0xffffff00);
 973                 }
 974
 975                 evo_kick(push, mast);
 976         }
 977
 978         nv50_crtc_cursor_show_hide(nv_crtc, nv_crtc->cursor.visible, true);
 979         nv50_display_flip_next(crtc, crtc->fb, NULL, 1);
 980 }
 981
 982 static bool
 983 nv50_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode,
 984                      struct drm_display_mode *adjusted_mode)
 985 {
 986         return true;
 987 }
 988
 989 static int
 990 nv50_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
 991 {
 992         struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->fb);
 993         int ret;
 994
 995         ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM);
 996         if (ret)
 997                 return ret;
 998
 999         if (old_fb) {
1000                 nvfb = nouveau_framebuffer(old_fb);
1001                 nouveau_bo_unpin(nvfb->nvbo);
1002         }
1003
1004         return 0;
1005 }
1006
1007 static int
1008 nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
1009                    struct drm_display_mode *mode, int x, int y,
1010                    struct drm_framebuffer *old_fb)
1011 {
1012         struct nv50_mast *mast = nv50_mast(crtc->dev);
1013         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1014         struct nouveau_connector *nv_connector;
1015         u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1;
1016         u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1;
1017         u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks;
1018         u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks;
1019         u32 vblan2e = 0, vblan2s = 1;
1020         u32 *push;
1021         int ret;
1022
1023         hactive = mode->htotal;
1024         hsynce  = mode->hsync_end - mode->hsync_start - 1;
1025         hbackp  = mode->htotal - mode->hsync_end;
1026         hblanke = hsynce + hbackp;
1027         hfrontp = mode->hsync_start - mode->hdisplay;
1028         hblanks = mode->htotal - hfrontp - 1;
1029
1030         vactive = mode->vtotal * vscan / ilace;
1031         vsynce  = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1;
1032         vbackp  = (mode->vtotal - mode->vsync_end) * vscan / ilace;
1033         vblanke = vsynce + vbackp;
1034         vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace;
1035         vblanks = vactive - vfrontp - 1;
1036         if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1037                 vblan2e = vactive + vsynce + vbackp;
1038                 vblan2s = vblan2e + (mode->vdisplay * vscan / ilace);
1039                 vactive = (vactive * 2) + 1;
1040         }
1041
1042         ret = nv50_crtc_swap_fbs(crtc, old_fb);
1043         if (ret)
1044                 return ret;
1045
1046         push = evo_wait(mast, 64);
1047         if (push) {
1048                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1049                         evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
1050                         evo_data(push, 0x00800000 | mode->clock);
1051                         evo_data(push, (ilace == 2) ? 2 : 0);
1052                         evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
1053                         evo_data(push, 0x00000000);
1054                         evo_data(push, (vactive << 16) | hactive);
1055                         evo_data(push, ( vsynce << 16) | hsynce);
1056                         evo_data(push, (vblanke << 16) | hblanke);
1057                         evo_data(push, (vblanks << 16) | hblanks);
1058                         evo_data(push, (vblan2e << 16) | vblan2s);
1059                         evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
1060                         evo_data(push, 0x00000000);
1061                         evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
1062                         evo_data(push, 0x00000311);
1063                         evo_data(push, 0x00000100);
1064                 } else {
1065                         evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 6);
1066                         evo_data(push, 0x00000000);
1067                         evo_data(push, (vactive << 16) | hactive);
1068                         evo_data(push, ( vsynce << 16) | hsynce);
1069                         evo_data(push, (vblanke << 16) | hblanke);
1070                         evo_data(push, (vblanks << 16) | hblanks);
1071                         evo_data(push, (vblan2e << 16) | vblan2s);
1072                         evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
1073                         evo_data(push, 0x00000000); /* ??? */
1074                         evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
1075                         evo_data(push, mode->clock * 1000);
1076                         evo_data(push, 0x00200000); /* ??? */
1077                         evo_data(push, mode->clock * 1000);
1078                         evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2);
1079                         evo_data(push, 0x00000311);
1080                         evo_data(push, 0x00000100);
1081                 }
1082
1083                 evo_kick(push, mast);
1084         }
1085
1086         nv_connector = nouveau_crtc_connector_get(nv_crtc);
1087         nv50_crtc_set_dither(nv_crtc, false);
1088         nv50_crtc_set_scale(nv_crtc, false);
1089         nv50_crtc_set_color_vibrance(nv_crtc, false);
1090         nv50_crtc_set_image(nv_crtc, crtc->fb, x, y, false);
1091         return 0;
1092 }
1093
1094 static int
1095 nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
1096                         struct drm_framebuffer *old_fb)
1097 {
1098         struct nouveau_drm *drm = nouveau_drm(crtc->dev);
1099         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1100         int ret;
1101
1102         if (!crtc->fb) {
1103                 NV_DEBUG(drm, "No FB bound\n");
1104                 return 0;
1105         }
1106
1107         ret = nv50_crtc_swap_fbs(crtc, old_fb);
1108         if (ret)
1109                 return ret;
1110
1111         nv50_display_flip_stop(crtc);
1112         nv50_crtc_set_image(nv_crtc, crtc->fb, x, y, true);
1113         nv50_display_flip_next(crtc, crtc->fb, NULL, 1);
1114         return 0;
1115 }
1116
1117 static int
1118 nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
1119                                struct drm_framebuffer *fb, int x, int y,
1120                                enum mode_set_atomic state)
1121 {
1122         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1123         nv50_display_flip_stop(crtc);
1124         nv50_crtc_set_image(nv_crtc, fb, x, y, true);
1125         return 0;
1126 }
1127
1128 static void
1129 nv50_crtc_lut_load(struct drm_crtc *crtc)
1130 {
1131         struct nv50_disp *disp = nv50_disp(crtc->dev);
1132         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1133         void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
1134         int i;
1135
1136         for (i = 0; i < 256; i++) {
1137                 u16 r = nv_crtc->lut.r[i] >> 2;
1138                 u16 g = nv_crtc->lut.g[i] >> 2;
1139                 u16 b = nv_crtc->lut.b[i] >> 2;
1140
1141                 if (nv_mclass(disp->core) < NVD0_DISP_CLASS) {
1142                         writew(r + 0x0000, lut + (i * 0x08) + 0);
1143                         writew(g + 0x0000, lut + (i * 0x08) + 2);
1144                         writew(b + 0x0000, lut + (i * 0x08) + 4);
1145                 } else {
1146                         writew(r + 0x6000, lut + (i * 0x20) + 0);
1147                         writew(g + 0x6000, lut + (i * 0x20) + 2);
1148                         writew(b + 0x6000, lut + (i * 0x20) + 4);
1149                 }
1150         }
1151 }
1152
1153 static int
1154 nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
1155                      uint32_t handle, uint32_t width, uint32_t height)
1156 {
1157         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1158         struct drm_device *dev = crtc->dev;
1159         struct drm_gem_object *gem;
1160         struct nouveau_bo *nvbo;
1161         bool visible = (handle != 0);
1162         int i, ret = 0;
1163
1164         if (visible) {
1165                 if (width != 64 || height != 64)
1166                         return -EINVAL;
1167
1168                 gem = drm_gem_object_lookup(dev, file_priv, handle);
1169                 if (unlikely(!gem))
1170                         return -ENOENT;
1171                 nvbo = nouveau_gem_object(gem);
1172
1173                 ret = nouveau_bo_map(nvbo);
1174                 if (ret == 0) {
1175                         for (i = 0; i < 64 * 64; i++) {
1176                                 u32 v = nouveau_bo_rd32(nvbo, i);
1177                                 nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, v);
1178                         }
1179                         nouveau_bo_unmap(nvbo);
1180                 }
1181
1182                 drm_gem_object_unreference_unlocked(gem);
1183         }
1184
1185         if (visible != nv_crtc->cursor.visible) {
1186                 nv50_crtc_cursor_show_hide(nv_crtc, visible, true);
1187                 nv_crtc->cursor.visible = visible;
1188         }
1189
1190         return ret;
1191 }
1192
1193 static int
1194 nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
1195 {
1196         struct nv50_curs *curs = nv50_curs(crtc);
1197         struct nv50_chan *chan = nv50_chan(curs);
1198         nv_wo32(chan->user, 0x0084, (y << 16) | (x & 0xffff));
1199         nv_wo32(chan->user, 0x0080, 0x00000000);
1200         return 0;
1201 }
1202
1203 static void
1204 nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
1205                     uint32_t start, uint32_t size)
1206 {
1207         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1208         u32 end = max(start + size, (u32)256);
1209         u32 i;
1210
1211         for (i = start; i < end; i++) {
1212                 nv_crtc->lut.r[i] = r[i];
1213                 nv_crtc->lut.g[i] = g[i];
1214                 nv_crtc->lut.b[i] = b[i];
1215         }
1216
1217         nv50_crtc_lut_load(crtc);
1218 }
1219
1220 static void
1221 nv50_crtc_destroy(struct drm_crtc *crtc)
1222 {
1223         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1224         struct nv50_disp *disp = nv50_disp(crtc->dev);
1225         struct nv50_head *head = nv50_head(crtc);
1226         nv50_dmac_destroy(disp->core, &head->ovly.base);
1227         nv50_pioc_destroy(disp->core, &head->oimm.base);
1228         nv50_dmac_destroy(disp->core, &head->sync.base);
1229         nv50_pioc_destroy(disp->core, &head->curs.base);
1230         nouveau_bo_unmap(nv_crtc->cursor.nvbo);
1231         if (nv_crtc->cursor.nvbo)
1232                 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1233         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
1234         nouveau_bo_unmap(nv_crtc->lut.nvbo);
1235         if (nv_crtc->lut.nvbo)
1236                 nouveau_bo_unpin(nv_crtc->lut.nvbo);
1237         nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
1238         drm_crtc_cleanup(crtc);
1239         kfree(crtc);
1240 }
1241
1242 static const struct drm_crtc_helper_funcs nv50_crtc_hfunc = {
1243         .dpms = nv50_crtc_dpms,
1244         .prepare = nv50_crtc_prepare,
1245         .commit = nv50_crtc_commit,
1246         .mode_fixup = nv50_crtc_mode_fixup,
1247         .mode_set = nv50_crtc_mode_set,
1248         .mode_set_base = nv50_crtc_mode_set_base,
1249         .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic,
1250         .load_lut = nv50_crtc_lut_load,
1251 };
1252
1253 static const struct drm_crtc_funcs nv50_crtc_func = {
1254         .cursor_set = nv50_crtc_cursor_set,
1255         .cursor_move = nv50_crtc_cursor_move,
1256         .gamma_set = nv50_crtc_gamma_set,
1257         .set_config = drm_crtc_helper_set_config,
1258         .destroy = nv50_crtc_destroy,
1259         .page_flip = nouveau_crtc_page_flip,
1260 };
1261
1262 static void
1263 nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
1264 {
1265 }
1266
1267 static void
1268 nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
1269 {
1270 }
1271
1272 static int
1273 nv50_crtc_create(struct drm_device *dev, struct nouveau_object *core, int index)
1274 {
1275         struct nv50_disp *disp = nv50_disp(dev);
1276         struct nv50_head *head;
1277         struct drm_crtc *crtc;
1278         int ret, i;
1279
1280         head = kzalloc(sizeof(*head), GFP_KERNEL);
1281         if (!head)
1282                 return -ENOMEM;
1283
1284         head->base.index = index;
1285         head->base.set_dither = nv50_crtc_set_dither;
1286         head->base.set_scale = nv50_crtc_set_scale;
1287         head->base.set_color_vibrance = nv50_crtc_set_color_vibrance;
1288         head->base.color_vibrance = 50;
1289         head->base.vibrant_hue = 0;
1290         head->base.cursor.set_offset = nv50_cursor_set_offset;
1291         head->base.cursor.set_pos = nv50_cursor_set_pos;
1292         for (i = 0; i < 256; i++) {
1293                 head->base.lut.r[i] = i << 8;
1294                 head->base.lut.g[i] = i << 8;
1295                 head->base.lut.b[i] = i << 8;
1296         }
1297
1298         crtc = &head->base.base;
1299         drm_crtc_init(dev, crtc, &nv50_crtc_func);
1300         drm_crtc_helper_add(crtc, &nv50_crtc_hfunc);
1301         drm_mode_crtc_set_gamma_size(crtc, 256);
1302
1303         ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
1304                              0, 0x0000, NULL, &head->base.lut.nvbo);
1305         if (!ret) {
1306                 ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM);
1307                 if (!ret) {
1308                         ret = nouveau_bo_map(head->base.lut.nvbo);
1309                         if (ret)
1310                                 nouveau_bo_unpin(head->base.lut.nvbo);
1311                 }
1312                 if (ret)
1313                         nouveau_bo_ref(NULL, &head->base.lut.nvbo);
1314         }
1315
1316         if (ret)
1317                 goto out;
1318
1319         nv50_crtc_lut_load(crtc);
1320
1321         /* allocate cursor resources */
1322         ret = nv50_pioc_create(disp->core, NV50_DISP_CURS_CLASS, index,
1323                               &(struct nv50_display_curs_class) {
1324                                         .head = index,
1325                               }, sizeof(struct nv50_display_curs_class),
1326                               &head->curs.base);
1327         if (ret)
1328                 goto out;
1329
1330         ret = nouveau_bo_new(dev, 64 * 64 * 4, 0x100, TTM_PL_FLAG_VRAM,
1331                              0, 0x0000, NULL, &head->base.cursor.nvbo);
1332         if (!ret) {
1333                 ret = nouveau_bo_pin(head->base.cursor.nvbo, TTM_PL_FLAG_VRAM);
1334                 if (!ret) {
1335                         ret = nouveau_bo_map(head->base.cursor.nvbo);
1336                         if (ret)
1337                                 nouveau_bo_unpin(head->base.lut.nvbo);
1338                 }
1339                 if (ret)
1340                         nouveau_bo_ref(NULL, &head->base.cursor.nvbo);
1341         }
1342
1343         if (ret)
1344                 goto out;
1345
1346         /* allocate page flip / sync resources */
1347         ret = nv50_dmac_create(disp->core, NV50_DISP_SYNC_CLASS, index,
1348                               &(struct nv50_display_sync_class) {
1349                                         .pushbuf = EVO_PUSH_HANDLE(SYNC, index),
1350                                         .head = index,
1351                               }, sizeof(struct nv50_display_sync_class),
1352                               disp->sync->bo.offset, &head->sync.base);
1353         if (ret)
1354                 goto out;
1355
1356         head->sync.sem.offset = EVO_SYNC(1 + index, 0x00);
1357
1358         /* allocate overlay resources */
1359         ret = nv50_pioc_create(disp->core, NV50_DISP_OIMM_CLASS, index,
1360                               &(struct nv50_display_oimm_class) {
1361                                         .head = index,
1362                               }, sizeof(struct nv50_display_oimm_class),
1363                               &head->oimm.base);
1364         if (ret)
1365                 goto out;
1366
1367         ret = nv50_dmac_create(disp->core, NV50_DISP_OVLY_CLASS, index,
1368                               &(struct nv50_display_ovly_class) {
1369                                         .pushbuf = EVO_PUSH_HANDLE(OVLY, index),
1370                                         .head = index,
1371                               }, sizeof(struct nv50_display_ovly_class),
1372                               disp->sync->bo.offset, &head->ovly.base);
1373         if (ret)
1374                 goto out;
1375
1376 out:
1377         if (ret)
1378                 nv50_crtc_destroy(crtc);
1379         return ret;
1380 }
1381
1382 /******************************************************************************
1383  * DAC
1384  *****************************************************************************/
1385 static void
1386 nv50_dac_dpms(struct drm_encoder *encoder, int mode)
1387 {
1388         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1389         struct nv50_disp *disp = nv50_disp(encoder->dev);
1390         int or = nv_encoder->or;
1391         u32 dpms_ctrl;
1392
1393         dpms_ctrl = 0x00000000;
1394         if (mode == DRM_MODE_DPMS_STANDBY || mode == DRM_MODE_DPMS_OFF)
1395                 dpms_ctrl |= 0x00000001;
1396         if (mode == DRM_MODE_DPMS_SUSPEND || mode == DRM_MODE_DPMS_OFF)
1397                 dpms_ctrl |= 0x00000004;
1398
1399         nv_call(disp->core, NV50_DISP_DAC_PWR + or, dpms_ctrl);
1400 }
1401
1402 static bool
1403 nv50_dac_mode_fixup(struct drm_encoder *encoder,
1404                     const struct drm_display_mode *mode,
1405                     struct drm_display_mode *adjusted_mode)
1406 {
1407         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1408         struct nouveau_connector *nv_connector;
1409
1410         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1411         if (nv_connector && nv_connector->native_mode) {
1412                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
1413                         int id = adjusted_mode->base.id;
1414                         *adjusted_mode = *nv_connector->native_mode;
1415                         adjusted_mode->base.id = id;
1416                 }
1417         }
1418
1419         return true;
1420 }
1421
1422 static void
1423 nv50_dac_commit(struct drm_encoder *encoder)
1424 {
1425 }
1426
1427 static void
1428 nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
1429                   struct drm_display_mode *adjusted_mode)
1430 {
1431         struct nv50_mast *mast = nv50_mast(encoder->dev);
1432         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1433         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1434         u32 *push;
1435
1436         nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1437
1438         push = evo_wait(mast, 8);
1439         if (push) {
1440                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1441                         u32 syncs = 0x00000000;
1442
1443                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1444                                 syncs |= 0x00000001;
1445                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1446                                 syncs |= 0x00000002;
1447
1448                         evo_mthd(push, 0x0400 + (nv_encoder->or * 0x080), 2);
1449                         evo_data(push, 1 << nv_crtc->index);
1450                         evo_data(push, syncs);
1451                 } else {
1452                         u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
1453                         u32 syncs = 0x00000001;
1454
1455                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1456                                 syncs |= 0x00000008;
1457                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1458                                 syncs |= 0x00000010;
1459
1460                         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1461                                 magic |= 0x00000001;
1462
1463                         evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
1464                         evo_data(push, syncs);
1465                         evo_data(push, magic);
1466                         evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 1);
1467                         evo_data(push, 1 << nv_crtc->index);
1468                 }
1469
1470                 evo_kick(push, mast);
1471         }
1472
1473         nv_encoder->crtc = encoder->crtc;
1474 }
1475
1476 static void
1477 nv50_dac_disconnect(struct drm_encoder *encoder)
1478 {
1479         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1480         struct nv50_mast *mast = nv50_mast(encoder->dev);
1481         const int or = nv_encoder->or;
1482         u32 *push;
1483
1484         if (nv_encoder->crtc) {
1485                 nv50_crtc_prepare(nv_encoder->crtc);
1486
1487                 push = evo_wait(mast, 4);
1488                 if (push) {
1489                         if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1490                                 evo_mthd(push, 0x0400 + (or * 0x080), 1);
1491                                 evo_data(push, 0x00000000);
1492                         } else {
1493                                 evo_mthd(push, 0x0180 + (or * 0x020), 1);
1494                                 evo_data(push, 0x00000000);
1495                         }
1496
1497                         evo_mthd(push, 0x0080, 1);
1498                         evo_data(push, 0x00000000);
1499                         evo_kick(push, mast);
1500                 }
1501         }
1502
1503         nv_encoder->crtc = NULL;
1504 }
1505
1506 static enum drm_connector_status
1507 nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
1508 {
1509         struct nv50_disp *disp = nv50_disp(encoder->dev);
1510         int ret, or = nouveau_encoder(encoder)->or;
1511         u32 load = 0;
1512
1513         ret = nv_exec(disp->core, NV50_DISP_DAC_LOAD + or, &load, sizeof(load));
1514         if (ret || load != 7)
1515                 return connector_status_disconnected;
1516
1517         return connector_status_connected;
1518 }
1519
1520 static void
1521 nv50_dac_destroy(struct drm_encoder *encoder)
1522 {
1523         drm_encoder_cleanup(encoder);
1524         kfree(encoder);
1525 }
1526
1527 static const struct drm_encoder_helper_funcs nv50_dac_hfunc = {
1528         .dpms = nv50_dac_dpms,
1529         .mode_fixup = nv50_dac_mode_fixup,
1530         .prepare = nv50_dac_disconnect,
1531         .commit = nv50_dac_commit,
1532         .mode_set = nv50_dac_mode_set,
1533         .disable = nv50_dac_disconnect,
1534         .get_crtc = nv50_display_crtc_get,
1535         .detect = nv50_dac_detect
1536 };
1537
1538 static const struct drm_encoder_funcs nv50_dac_func = {
1539         .destroy = nv50_dac_destroy,
1540 };
1541
1542 static int
1543 nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
1544 {
1545         struct drm_device *dev = connector->dev;
1546         struct nouveau_encoder *nv_encoder;
1547         struct drm_encoder *encoder;
1548
1549         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
1550         if (!nv_encoder)
1551                 return -ENOMEM;
1552         nv_encoder->dcb = dcbe;
1553         nv_encoder->or = ffs(dcbe->or) - 1;
1554
1555         encoder = to_drm_encoder(nv_encoder);
1556         encoder->possible_crtcs = dcbe->heads;
1557         encoder->possible_clones = 0;
1558         drm_encoder_init(dev, encoder, &nv50_dac_func, DRM_MODE_ENCODER_DAC);
1559         drm_encoder_helper_add(encoder, &nv50_dac_hfunc);
1560
1561         drm_mode_connector_attach_encoder(connector, encoder);
1562         return 0;
1563 }
1564
1565 /******************************************************************************
1566  * Audio
1567  *****************************************************************************/
1568 static void
1569 nv50_audio_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1570 {
1571         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1572         struct nouveau_connector *nv_connector;
1573         struct nv50_disp *disp = nv50_disp(encoder->dev);
1574
1575         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1576         if (!drm_detect_monitor_audio(nv_connector->edid))
1577                 return;
1578
1579         drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
1580
1581         nv_exec(disp->core, NVA3_DISP_SOR_HDA_ELD + nv_encoder->or,
1582                             nv_connector->base.eld,
1583                             nv_connector->base.eld[2] * 4);
1584 }
1585
1586 static void
1587 nv50_audio_disconnect(struct drm_encoder *encoder)
1588 {
1589         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1590         struct nv50_disp *disp = nv50_disp(encoder->dev);
1591
1592         nv_exec(disp->core, NVA3_DISP_SOR_HDA_ELD + nv_encoder->or, NULL, 0);
1593 }
1594
1595 /******************************************************************************
1596  * HDMI
1597  *****************************************************************************/
1598 static void
1599 nv50_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1600 {
1601         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1602         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1603         struct nouveau_connector *nv_connector;
1604         struct nv50_disp *disp = nv50_disp(encoder->dev);
1605         const u32 moff = (nv_crtc->index << 3) | nv_encoder->or;
1606         u32 rekey = 56; /* binary driver, and tegra constant */
1607         u32 max_ac_packet;
1608
1609         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1610         if (!drm_detect_hdmi_monitor(nv_connector->edid))
1611                 return;
1612
1613         max_ac_packet  = mode->htotal - mode->hdisplay;
1614         max_ac_packet -= rekey;
1615         max_ac_packet -= 18; /* constant from tegra */
1616         max_ac_packet /= 32;
1617
1618         nv_call(disp->core, NV84_DISP_SOR_HDMI_PWR + moff,
1619                             NV84_DISP_SOR_HDMI_PWR_STATE_ON |
1620                             (max_ac_packet << 16) | rekey);
1621
1622         nv50_audio_mode_set(encoder, mode);
1623 }
1624
1625 static void
1626 nv50_hdmi_disconnect(struct drm_encoder *encoder)
1627 {
1628         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1629         struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
1630         struct nv50_disp *disp = nv50_disp(encoder->dev);
1631         const u32 moff = (nv_crtc->index << 3) | nv_encoder->or;
1632
1633         nv50_audio_disconnect(encoder);
1634
1635         nv_call(disp->core, NV84_DISP_SOR_HDMI_PWR + moff, 0x00000000);
1636 }
1637
1638 /******************************************************************************
1639  * SOR
1640  *****************************************************************************/
1641 static void
1642 nv50_sor_dpms(struct drm_encoder *encoder, int mode)
1643 {
1644         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1645         struct drm_device *dev = encoder->dev;
1646         struct nv50_disp *disp = nv50_disp(dev);
1647         struct drm_encoder *partner;
1648         int or = nv_encoder->or;
1649
1650         nv_encoder->last_dpms = mode;
1651
1652         list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
1653                 struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
1654
1655                 if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
1656                         continue;
1657
1658                 if (nv_partner != nv_encoder &&
1659                     nv_partner->dcb->or == nv_encoder->dcb->or) {
1660                         if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
1661                                 return;
1662                         break;
1663                 }
1664         }
1665
1666         nv_call(disp->core, NV50_DISP_SOR_PWR + or, (mode == DRM_MODE_DPMS_ON));
1667
1668         if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
1669                 nouveau_dp_dpms(encoder, mode, nv_encoder->dp.datarate, disp->core);
1670 }
1671
1672 static bool
1673 nv50_sor_mode_fixup(struct drm_encoder *encoder,
1674                     const struct drm_display_mode *mode,
1675                     struct drm_display_mode *adjusted_mode)
1676 {
1677         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1678         struct nouveau_connector *nv_connector;
1679
1680         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1681         if (nv_connector && nv_connector->native_mode) {
1682                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
1683                         int id = adjusted_mode->base.id;
1684                         *adjusted_mode = *nv_connector->native_mode;
1685                         adjusted_mode->base.id = id;
1686                 }
1687         }
1688
1689         return true;
1690 }
1691
1692 static void
1693 nv50_sor_disconnect(struct drm_encoder *encoder)
1694 {
1695         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1696         struct nv50_mast *mast = nv50_mast(encoder->dev);
1697         const int or = nv_encoder->or;
1698         u32 *push;
1699
1700         if (nv_encoder->crtc) {
1701                 nv50_crtc_prepare(nv_encoder->crtc);
1702
1703                 push = evo_wait(mast, 4);
1704                 if (push) {
1705                         if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1706                                 evo_mthd(push, 0x0600 + (or * 0x40), 1);
1707                                 evo_data(push, 0x00000000);
1708                         } else {
1709                                 evo_mthd(push, 0x0200 + (or * 0x20), 1);
1710                                 evo_data(push, 0x00000000);
1711                         }
1712
1713                         evo_mthd(push, 0x0080, 1);
1714                         evo_data(push, 0x00000000);
1715                         evo_kick(push, mast);
1716                 }
1717
1718                 nv50_hdmi_disconnect(encoder);
1719         }
1720
1721         nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
1722         nv_encoder->crtc = NULL;
1723 }
1724
1725 static void
1726 nv50_sor_prepare(struct drm_encoder *encoder)
1727 {
1728         nv50_sor_disconnect(encoder);
1729         if (nouveau_encoder(encoder)->dcb->type == DCB_OUTPUT_DP)
1730                 evo_sync(encoder->dev);
1731 }
1732
1733 static void
1734 nv50_sor_commit(struct drm_encoder *encoder)
1735 {
1736 }
1737
1738 static void
1739 nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
1740                   struct drm_display_mode *mode)
1741 {
1742         struct nv50_disp *disp = nv50_disp(encoder->dev);
1743         struct nv50_mast *mast = nv50_mast(encoder->dev);
1744         struct drm_device *dev = encoder->dev;
1745         struct nouveau_drm *drm = nouveau_drm(dev);
1746         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1747         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1748         struct nouveau_connector *nv_connector;
1749         struct nvbios *bios = &drm->vbios;
1750         u32 *push, lvds = 0;
1751         u8 owner = 1 << nv_crtc->index;
1752         u8 proto = 0xf;
1753         u8 depth = 0x0;
1754
1755         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1756         switch (nv_encoder->dcb->type) {
1757         case DCB_OUTPUT_TMDS:
1758                 if (nv_encoder->dcb->sorconf.link & 1) {
1759                         if (mode->clock < 165000)
1760                                 proto = 0x1;
1761                         else
1762                                 proto = 0x5;
1763                 } else {
1764                         proto = 0x2;
1765                 }
1766
1767                 nv50_hdmi_mode_set(encoder, mode);
1768                 break;
1769         case DCB_OUTPUT_LVDS:
1770                 proto = 0x0;
1771
1772                 if (bios->fp_no_ddc) {
1773                         if (bios->fp.dual_link)
1774                                 lvds |= 0x0100;
1775                         if (bios->fp.if_is_24bit)
1776                                 lvds |= 0x0200;
1777                 } else {
1778                         if (nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
1779                                 if (((u8 *)nv_connector->edid)[121] == 2)
1780                                         lvds |= 0x0100;
1781                         } else
1782                         if (mode->clock >= bios->fp.duallink_transition_clk) {
1783                                 lvds |= 0x0100;
1784                         }
1785
1786                         if (lvds & 0x0100) {
1787                                 if (bios->fp.strapless_is_24bit & 2)
1788                                         lvds |= 0x0200;
1789                         } else {
1790                                 if (bios->fp.strapless_is_24bit & 1)
1791                                         lvds |= 0x0200;
1792                         }
1793
1794                         if (nv_connector->base.display_info.bpc == 8)
1795                                 lvds |= 0x0200;
1796                 }
1797
1798                 nv_call(disp->core, NV50_DISP_SOR_LVDS_SCRIPT + nv_encoder->or, lvds);
1799                 break;
1800         case DCB_OUTPUT_DP:
1801                 if (nv_connector->base.display_info.bpc == 6) {
1802                         nv_encoder->dp.datarate = mode->clock * 18 / 8;
1803                         depth = 0x2;
1804                 } else
1805                 if (nv_connector->base.display_info.bpc == 8) {
1806                         nv_encoder->dp.datarate = mode->clock * 24 / 8;
1807                         depth = 0x5;
1808                 } else {
1809                         nv_encoder->dp.datarate = mode->clock * 30 / 8;
1810                         depth = 0x6;
1811                 }
1812
1813                 if (nv_encoder->dcb->sorconf.link & 1)
1814                         proto = 0x8;
1815                 else
1816                         proto = 0x9;
1817                 break;
1818         default:
1819                 BUG_ON(1);
1820                 break;
1821         }
1822
1823         nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON);
1824
1825         push = evo_wait(nv50_mast(dev), 8);
1826         if (push) {
1827                 if (nv50_vers(mast) < NVD0_DISP_CLASS) {
1828                         evo_mthd(push, 0x0600 + (nv_encoder->or * 0x040), 1);
1829                         evo_data(push, (depth << 16) | (proto << 8) | owner);
1830                 } else {
1831                         u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
1832                         u32 syncs = 0x00000001;
1833
1834                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1835                                 syncs |= 0x00000008;
1836                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1837                                 syncs |= 0x00000010;
1838
1839                         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1840                                 magic |= 0x00000001;
1841
1842                         evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
1843                         evo_data(push, syncs | (depth << 6));
1844                         evo_data(push, magic);
1845                         evo_mthd(push, 0x0200 + (nv_encoder->or * 0x020), 1);
1846                         evo_data(push, owner | (proto << 8));
1847                 }
1848
1849                 evo_kick(push, mast);
1850         }
1851
1852         nv_encoder->crtc = encoder->crtc;
1853 }
1854
1855 static void
1856 nv50_sor_destroy(struct drm_encoder *encoder)
1857 {
1858         drm_encoder_cleanup(encoder);
1859         kfree(encoder);
1860 }
1861
1862 static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
1863         .dpms = nv50_sor_dpms,
1864         .mode_fixup = nv50_sor_mode_fixup,
1865         .prepare = nv50_sor_prepare,
1866         .commit = nv50_sor_commit,
1867         .mode_set = nv50_sor_mode_set,
1868         .disable = nv50_sor_disconnect,
1869         .get_crtc = nv50_display_crtc_get,
1870 };
1871
1872 static const struct drm_encoder_funcs nv50_sor_func = {
1873         .destroy = nv50_sor_destroy,
1874 };
1875
1876 static int
1877 nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
1878 {
1879         struct drm_device *dev = connector->dev;
1880         struct nouveau_encoder *nv_encoder;
1881         struct drm_encoder *encoder;
1882
1883         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
1884         if (!nv_encoder)
1885                 return -ENOMEM;
1886         nv_encoder->dcb = dcbe;
1887         nv_encoder->or = ffs(dcbe->or) - 1;
1888         nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
1889
1890         encoder = to_drm_encoder(nv_encoder);
1891         encoder->possible_crtcs = dcbe->heads;
1892         encoder->possible_clones = 0;
1893         drm_encoder_init(dev, encoder, &nv50_sor_func, DRM_MODE_ENCODER_TMDS);
1894         drm_encoder_helper_add(encoder, &nv50_sor_hfunc);
1895
1896         drm_mode_connector_attach_encoder(connector, encoder);
1897         return 0;
1898 }
1899
1900 /******************************************************************************
1901  * Init
1902  *****************************************************************************/
1903 void
1904 nv50_display_fini(struct drm_device *dev)
1905 {
1906 }
1907
1908 int
1909 nv50_display_init(struct drm_device *dev)
1910 {
1911         u32 *push = evo_wait(nv50_mast(dev), 32);
1912         if (push) {
1913                 evo_mthd(push, 0x0088, 1);
1914                 evo_data(push, NvEvoSync);
1915                 evo_kick(push, nv50_mast(dev));
1916                 return evo_sync(dev);
1917         }
1918
1919         return -EBUSY;
1920 }
1921
1922 void
1923 nv50_display_destroy(struct drm_device *dev)
1924 {
1925         struct nv50_disp *disp = nv50_disp(dev);
1926
1927         nv50_dmac_destroy(disp->core, &disp->mast.base);
1928
1929         nouveau_bo_unmap(disp->sync);
1930         if (disp->sync)
1931                 nouveau_bo_unpin(disp->sync);
1932         nouveau_bo_ref(NULL, &disp->sync);
1933
1934         nouveau_display(dev)->priv = NULL;
1935         kfree(disp);
1936 }
1937
1938 int
1939 nv50_display_create(struct drm_device *dev)
1940 {
1941         static const u16 oclass[] = {
1942                 NVE0_DISP_CLASS,
1943                 NVD0_DISP_CLASS,
1944                 NVA3_DISP_CLASS,
1945                 NV94_DISP_CLASS,
1946                 NVA0_DISP_CLASS,
1947                 NV84_DISP_CLASS,
1948                 NV50_DISP_CLASS,
1949         };
1950         struct nouveau_device *device = nouveau_dev(dev);
1951         struct nouveau_drm *drm = nouveau_drm(dev);
1952         struct dcb_table *dcb = &drm->vbios.dcb;
1953         struct drm_connector *connector, *tmp;
1954         struct nv50_disp *disp;
1955         struct dcb_output *dcbe;
1956         int crtcs, ret, i;
1957
1958         disp = kzalloc(sizeof(*disp), GFP_KERNEL);
1959         if (!disp)
1960                 return -ENOMEM;
1961
1962         nouveau_display(dev)->priv = disp;
1963         nouveau_display(dev)->dtor = nv50_display_destroy;
1964         nouveau_display(dev)->init = nv50_display_init;
1965         nouveau_display(dev)->fini = nv50_display_fini;
1966
1967         /* small shared memory area we use for notifiers and semaphores */
1968         ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
1969                              0, 0x0000, NULL, &disp->sync);
1970         if (!ret) {
1971                 ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM);
1972                 if (!ret) {
1973                         ret = nouveau_bo_map(disp->sync);
1974                         if (ret)
1975                                 nouveau_bo_unpin(disp->sync);
1976                 }
1977                 if (ret)
1978                         nouveau_bo_ref(NULL, &disp->sync);
1979         }
1980
1981         if (ret)
1982                 goto out;
1983
1984         /* attempt to allocate a supported evo display class */
1985         ret = -ENODEV;
1986         for (i = 0; ret && i < ARRAY_SIZE(oclass); i++) {
1987                 ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE,
1988                                          0xd1500000, oclass[i], NULL, 0,
1989                                          &disp->core);
1990         }
1991
1992         if (ret)
1993                 goto out;
1994
1995         /* allocate master evo channel */
1996         ret = nv50_dmac_create(disp->core, NV50_DISP_MAST_CLASS, 0,
1997                               &(struct nv50_display_mast_class) {
1998                                         .pushbuf = EVO_PUSH_HANDLE(MAST, 0),
1999                               }, sizeof(struct nv50_display_mast_class),
2000                               disp->sync->bo.offset, &disp->mast.base);
2001         if (ret)
2002                 goto out;
2003
2004         /* create crtc objects to represent the hw heads */
2005         if (nv_mclass(disp->core) >= NVD0_DISP_CLASS)
2006                 crtcs = nv_rd32(device, 0x022448);
2007         else
2008                 crtcs = 2;
2009
2010         for (i = 0; i < crtcs; i++) {
2011                 ret = nv50_crtc_create(dev, disp->core, i);
2012                 if (ret)
2013                         goto out;
2014         }
2015
2016         /* create encoder/connector objects based on VBIOS DCB table */
2017         for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
2018                 connector = nouveau_connector_create(dev, dcbe->connector);
2019                 if (IS_ERR(connector))
2020                         continue;
2021
2022                 if (dcbe->location != DCB_LOC_ON_CHIP) {
2023                         NV_WARN(drm, "skipping off-chip encoder %d/%d\n",
2024                                 dcbe->type, ffs(dcbe->or) - 1);
2025                         continue;
2026                 }
2027
2028                 switch (dcbe->type) {
2029                 case DCB_OUTPUT_TMDS:
2030                 case DCB_OUTPUT_LVDS:
2031                 case DCB_OUTPUT_DP:
2032                         nv50_sor_create(connector, dcbe);
2033                         break;
2034                 case DCB_OUTPUT_ANALOG:
2035                         nv50_dac_create(connector, dcbe);
2036                         break;
2037                 default:
2038                         NV_WARN(drm, "skipping unsupported encoder %d/%d\n",
2039                                 dcbe->type, ffs(dcbe->or) - 1);
2040                         continue;
2041                 }
2042         }
2043
2044         /* cull any connectors we created that don't have an encoder */
2045         list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) {
2046                 if (connector->encoder_ids[0])
2047                         continue;
2048
2049                 NV_WARN(drm, "%s has no encoders, removing\n",
2050                         drm_get_connector_name(connector));
2051                 connector->funcs->destroy(connector);
2052         }
2053
2054 out:
2055         if (ret)
2056                 nv50_display_destroy(dev);
2057         return ret;
2058 }