sys/dev/drm/r128_state.c

   1 /* r128_state.c -- State support for r128 -*- linux-c -*-
   2  * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com
   3  */
   4 /*-
   5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25  * DEALINGS IN THE SOFTWARE.
  26  *
  27  * Authors:
  28  *    Gareth Hughes <gareth@valinux.com>
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 #include "dev/drm/drmP.h"
  35 #include "dev/drm/drm.h"
  36 #include "dev/drm/r128_drm.h"
  37 #include "dev/drm/r128_drv.h"
  38
  39 /* ================================================================
  40  * CCE hardware state programming functions
  41  */
  42
  43 static void r128_emit_clip_rects(drm_r128_private_t * dev_priv,
  44                                  struct drm_clip_rect * boxes, int count)
  45 {
  46         u32 aux_sc_cntl = 0x00000000;
  47         RING_LOCALS;
  48         DRM_DEBUG("\n");
  49
  50         BEGIN_RING((count < 3 ? count : 3) * 5 + 2);
  51
  52         if (count >= 1) {
  53                 OUT_RING(CCE_PACKET0(R128_AUX1_SC_LEFT, 3));
  54                 OUT_RING(boxes[0].x1);
  55                 OUT_RING(boxes[0].x2 - 1);
  56                 OUT_RING(boxes[0].y1);
  57                 OUT_RING(boxes[0].y2 - 1);
  58
  59                 aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
  60         }
  61         if (count >= 2) {
  62                 OUT_RING(CCE_PACKET0(R128_AUX2_SC_LEFT, 3));
  63                 OUT_RING(boxes[1].x1);
  64                 OUT_RING(boxes[1].x2 - 1);
  65                 OUT_RING(boxes[1].y1);
  66                 OUT_RING(boxes[1].y2 - 1);
  67
  68                 aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
  69         }
  70         if (count >= 3) {
  71                 OUT_RING(CCE_PACKET0(R128_AUX3_SC_LEFT, 3));
  72                 OUT_RING(boxes[2].x1);
  73                 OUT_RING(boxes[2].x2 - 1);
  74                 OUT_RING(boxes[2].y1);
  75                 OUT_RING(boxes[2].y2 - 1);
  76
  77                 aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
  78         }
  79
  80         OUT_RING(CCE_PACKET0(R128_AUX_SC_CNTL, 0));
  81         OUT_RING(aux_sc_cntl);
  82
  83         ADVANCE_RING();
  84 }
  85
  86 static __inline__ void r128_emit_core(drm_r128_private_t * dev_priv)
  87 {
  88         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
  89         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
  90         RING_LOCALS;
  91         DRM_DEBUG("\n");
  92
  93         BEGIN_RING(2);
  94
  95         OUT_RING(CCE_PACKET0(R128_SCALE_3D_CNTL, 0));
  96         OUT_RING(ctx->scale_3d_cntl);
  97
  98         ADVANCE_RING();
  99 }
 100
 101 static __inline__ void r128_emit_context(drm_r128_private_t * dev_priv)
 102 {
 103         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 104         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 105         RING_LOCALS;
 106         DRM_DEBUG("\n");
 107
 108         BEGIN_RING(13);
 109
 110         OUT_RING(CCE_PACKET0(R128_DST_PITCH_OFFSET_C, 11));
 111         OUT_RING(ctx->dst_pitch_offset_c);
 112         OUT_RING(ctx->dp_gui_master_cntl_c);
 113         OUT_RING(ctx->sc_top_left_c);
 114         OUT_RING(ctx->sc_bottom_right_c);
 115         OUT_RING(ctx->z_offset_c);
 116         OUT_RING(ctx->z_pitch_c);
 117         OUT_RING(ctx->z_sten_cntl_c);
 118         OUT_RING(ctx->tex_cntl_c);
 119         OUT_RING(ctx->misc_3d_state_cntl_reg);
 120         OUT_RING(ctx->texture_clr_cmp_clr_c);
 121         OUT_RING(ctx->texture_clr_cmp_msk_c);
 122         OUT_RING(ctx->fog_color_c);
 123
 124         ADVANCE_RING();
 125 }
 126
 127 static __inline__ void r128_emit_setup(drm_r128_private_t * dev_priv)
 128 {
 129         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 130         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 131         RING_LOCALS;
 132         DRM_DEBUG("\n");
 133
 134         BEGIN_RING(3);
 135
 136         OUT_RING(CCE_PACKET1(R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP));
 137         OUT_RING(ctx->setup_cntl);
 138         OUT_RING(ctx->pm4_vc_fpu_setup);
 139
 140         ADVANCE_RING();
 141 }
 142
 143 static __inline__ void r128_emit_masks(drm_r128_private_t * dev_priv)
 144 {
 145         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 146         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 147         RING_LOCALS;
 148         DRM_DEBUG("\n");
 149
 150         BEGIN_RING(5);
 151
 152         OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
 153         OUT_RING(ctx->dp_write_mask);
 154
 155         OUT_RING(CCE_PACKET0(R128_STEN_REF_MASK_C, 1));
 156         OUT_RING(ctx->sten_ref_mask_c);
 157         OUT_RING(ctx->plane_3d_mask_c);
 158
 159         ADVANCE_RING();
 160 }
 161
 162 static __inline__ void r128_emit_window(drm_r128_private_t * dev_priv)
 163 {
 164         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 165         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 166         RING_LOCALS;
 167         DRM_DEBUG("\n");
 168
 169         BEGIN_RING(2);
 170
 171         OUT_RING(CCE_PACKET0(R128_WINDOW_XY_OFFSET, 0));
 172         OUT_RING(ctx->window_xy_offset);
 173
 174         ADVANCE_RING();
 175 }
 176
 177 static __inline__ void r128_emit_tex0(drm_r128_private_t * dev_priv)
 178 {
 179         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 180         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 181         drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
 182         int i;
 183         RING_LOCALS;
 184         DRM_DEBUG("\n");
 185
 186         BEGIN_RING(7 + R128_MAX_TEXTURE_LEVELS);
 187
 188         OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C,
 189                              2 + R128_MAX_TEXTURE_LEVELS));
 190         OUT_RING(tex->tex_cntl);
 191         OUT_RING(tex->tex_combine_cntl);
 192         OUT_RING(ctx->tex_size_pitch_c);
 193         for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
 194                 OUT_RING(tex->tex_offset[i]);
 195         }
 196
 197         OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1));
 198         OUT_RING(ctx->constant_color_c);
 199         OUT_RING(tex->tex_border_color);
 200
 201         ADVANCE_RING();
 202 }
 203
 204 static __inline__ void r128_emit_tex1(drm_r128_private_t * dev_priv)
 205 {
 206         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 207         drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
 208         int i;
 209         RING_LOCALS;
 210         DRM_DEBUG("\n");
 211
 212         BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS);
 213
 214         OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS));
 215         OUT_RING(tex->tex_cntl);
 216         OUT_RING(tex->tex_combine_cntl);
 217         for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
 218                 OUT_RING(tex->tex_offset[i]);
 219         }
 220
 221         OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0));
 222         OUT_RING(tex->tex_border_color);
 223
 224         ADVANCE_RING();
 225 }
 226
 227 static void r128_emit_state(drm_r128_private_t * dev_priv)
 228 {
 229         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 230         unsigned int dirty = sarea_priv->dirty;
 231
 232         DRM_DEBUG("dirty=0x%08x\n", dirty);
 233
 234         if (dirty & R128_UPLOAD_CORE) {
 235                 r128_emit_core(dev_priv);
 236                 sarea_priv->dirty &= ~R128_UPLOAD_CORE;
 237         }
 238
 239         if (dirty & R128_UPLOAD_CONTEXT) {
 240                 r128_emit_context(dev_priv);
 241                 sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
 242         }
 243
 244         if (dirty & R128_UPLOAD_SETUP) {
 245                 r128_emit_setup(dev_priv);
 246                 sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
 247         }
 248
 249         if (dirty & R128_UPLOAD_MASKS) {
 250                 r128_emit_masks(dev_priv);
 251                 sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
 252         }
 253
 254         if (dirty & R128_UPLOAD_WINDOW) {
 255                 r128_emit_window(dev_priv);
 256                 sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
 257         }
 258
 259         if (dirty & R128_UPLOAD_TEX0) {
 260                 r128_emit_tex0(dev_priv);
 261                 sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
 262         }
 263
 264         if (dirty & R128_UPLOAD_TEX1) {
 265                 r128_emit_tex1(dev_priv);
 266                 sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
 267         }
 268
 269         /* Turn off the texture cache flushing */
 270         sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
 271
 272         sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
 273 }
 274
 275 #if R128_PERFORMANCE_BOXES
 276 /* ================================================================
 277  * Performance monitoring functions
 278  */
 279
 280 static void r128_clear_box(drm_r128_private_t * dev_priv,
 281                            int x, int y, int w, int h, int r, int g, int b)
 282 {
 283         u32 pitch, offset;
 284         u32 fb_bpp, color;
 285         RING_LOCALS;
 286
 287         switch (dev_priv->fb_bpp) {
 288         case 16:
 289                 fb_bpp = R128_GMC_DST_16BPP;
 290                 color = (((r & 0xf8) << 8) |
 291                          ((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
 292                 break;
 293         case 24:
 294                 fb_bpp = R128_GMC_DST_24BPP;
 295                 color = ((r << 16) | (g << 8) | b);
 296                 break;
 297         case 32:
 298                 fb_bpp = R128_GMC_DST_32BPP;
 299                 color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
 300                 break;
 301         default:
 302                 return;
 303         }
 304
 305         offset = dev_priv->back_offset;
 306         pitch = dev_priv->back_pitch >> 3;
 307
 308         BEGIN_RING(6);
 309
 310         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 311         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 312                  R128_GMC_BRUSH_SOLID_COLOR |
 313                  fb_bpp |
 314                  R128_GMC_SRC_DATATYPE_COLOR |
 315                  R128_ROP3_P |
 316                  R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS);
 317
 318         OUT_RING((pitch << 21) | (offset >> 5));
 319         OUT_RING(color);
 320
 321         OUT_RING((x << 16) | y);
 322         OUT_RING((w << 16) | h);
 323
 324         ADVANCE_RING();
 325 }
 326
 327 static void r128_cce_performance_boxes(drm_r128_private_t * dev_priv)
 328 {
 329         if (atomic_read(&dev_priv->idle_count) == 0) {
 330                 r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
 331         } else {
 332                 atomic_set(&dev_priv->idle_count, 0);
 333         }
 334 }
 335
 336 #endif
 337
 338 /* ================================================================
 339  * CCE command dispatch functions
 340  */
 341
 342 static void r128_print_dirty(const char *msg, unsigned int flags)
 343 {
 344         DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
 345                  msg,
 346                  flags,
 347                  (flags & R128_UPLOAD_CORE) ? "core, " : "",
 348                  (flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
 349                  (flags & R128_UPLOAD_SETUP) ? "setup, " : "",
 350                  (flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
 351                  (flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
 352                  (flags & R128_UPLOAD_MASKS) ? "masks, " : "",
 353                  (flags & R128_UPLOAD_WINDOW) ? "window, " : "",
 354                  (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
 355                  (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "");
 356 }
 357
 358 static void r128_cce_dispatch_clear(struct drm_device * dev,
 359                                     drm_r128_clear_t * clear)
 360 {
 361         drm_r128_private_t *dev_priv = dev->dev_private;
 362         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 363         int nbox = sarea_priv->nbox;
 364         struct drm_clip_rect *pbox = sarea_priv->boxes;
 365         unsigned int flags = clear->flags;
 366         int i;
 367         RING_LOCALS;
 368         DRM_DEBUG("\n");
 369
 370         if (dev_priv->page_flipping && dev_priv->current_page == 1) {
 371                 unsigned int tmp = flags;
 372
 373                 flags &= ~(R128_FRONT | R128_BACK);
 374                 if (tmp & R128_FRONT)
 375                         flags |= R128_BACK;
 376                 if (tmp & R128_BACK)
 377                         flags |= R128_FRONT;
 378         }
 379
 380         for (i = 0; i < nbox; i++) {
 381                 int x = pbox[i].x1;
 382                 int y = pbox[i].y1;
 383                 int w = pbox[i].x2 - x;
 384                 int h = pbox[i].y2 - y;
 385
 386                 DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n",
 387                           pbox[i].x1, pbox[i].y1, pbox[i].x2,
 388                           pbox[i].y2, flags);
 389
 390                 if (flags & (R128_FRONT | R128_BACK)) {
 391                         BEGIN_RING(2);
 392
 393                         OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
 394                         OUT_RING(clear->color_mask);
 395
 396                         ADVANCE_RING();
 397                 }
 398
 399                 if (flags & R128_FRONT) {
 400                         BEGIN_RING(6);
 401
 402                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 403                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 404                                  R128_GMC_BRUSH_SOLID_COLOR |
 405                                  (dev_priv->color_fmt << 8) |
 406                                  R128_GMC_SRC_DATATYPE_COLOR |
 407                                  R128_ROP3_P |
 408                                  R128_GMC_CLR_CMP_CNTL_DIS |
 409                                  R128_GMC_AUX_CLIP_DIS);
 410
 411                         OUT_RING(dev_priv->front_pitch_offset_c);
 412                         OUT_RING(clear->clear_color);
 413
 414                         OUT_RING((x << 16) | y);
 415                         OUT_RING((w << 16) | h);
 416
 417                         ADVANCE_RING();
 418                 }
 419
 420                 if (flags & R128_BACK) {
 421                         BEGIN_RING(6);
 422
 423                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 424                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 425                                  R128_GMC_BRUSH_SOLID_COLOR |
 426                                  (dev_priv->color_fmt << 8) |
 427                                  R128_GMC_SRC_DATATYPE_COLOR |
 428                                  R128_ROP3_P |
 429                                  R128_GMC_CLR_CMP_CNTL_DIS |
 430                                  R128_GMC_AUX_CLIP_DIS);
 431
 432                         OUT_RING(dev_priv->back_pitch_offset_c);
 433                         OUT_RING(clear->clear_color);
 434
 435                         OUT_RING((x << 16) | y);
 436                         OUT_RING((w << 16) | h);
 437
 438                         ADVANCE_RING();
 439                 }
 440
 441                 if (flags & R128_DEPTH) {
 442                         BEGIN_RING(6);
 443
 444                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 445                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 446                                  R128_GMC_BRUSH_SOLID_COLOR |
 447                                  (dev_priv->depth_fmt << 8) |
 448                                  R128_GMC_SRC_DATATYPE_COLOR |
 449                                  R128_ROP3_P |
 450                                  R128_GMC_CLR_CMP_CNTL_DIS |
 451                                  R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
 452
 453                         OUT_RING(dev_priv->depth_pitch_offset_c);
 454                         OUT_RING(clear->clear_depth);
 455
 456                         OUT_RING((x << 16) | y);
 457                         OUT_RING((w << 16) | h);
 458
 459                         ADVANCE_RING();
 460                 }
 461         }
 462 }
 463
 464 static void r128_cce_dispatch_swap(struct drm_device * dev)
 465 {
 466         drm_r128_private_t *dev_priv = dev->dev_private;
 467         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 468         int nbox = sarea_priv->nbox;
 469         struct drm_clip_rect *pbox = sarea_priv->boxes;
 470         int i;
 471         RING_LOCALS;
 472         DRM_DEBUG("\n");
 473
 474 #if R128_PERFORMANCE_BOXES
 475         /* Do some trivial performance monitoring...
 476          */
 477         r128_cce_performance_boxes(dev_priv);
 478 #endif
 479
 480         for (i = 0; i < nbox; i++) {
 481                 int x = pbox[i].x1;
 482                 int y = pbox[i].y1;
 483                 int w = pbox[i].x2 - x;
 484                 int h = pbox[i].y2 - y;
 485
 486                 BEGIN_RING(7);
 487
 488                 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
 489                 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
 490                          R128_GMC_DST_PITCH_OFFSET_CNTL |
 491                          R128_GMC_BRUSH_NONE |
 492                          (dev_priv->color_fmt << 8) |
 493                          R128_GMC_SRC_DATATYPE_COLOR |
 494                          R128_ROP3_S |
 495                          R128_DP_SRC_SOURCE_MEMORY |
 496                          R128_GMC_CLR_CMP_CNTL_DIS |
 497                          R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
 498
 499                 /* Make this work even if front & back are flipped:
 500                  */
 501                 if (dev_priv->current_page == 0) {
 502                         OUT_RING(dev_priv->back_pitch_offset_c);
 503                         OUT_RING(dev_priv->front_pitch_offset_c);
 504                 } else {
 505                         OUT_RING(dev_priv->front_pitch_offset_c);
 506                         OUT_RING(dev_priv->back_pitch_offset_c);
 507                 }
 508
 509                 OUT_RING((x << 16) | y);
 510                 OUT_RING((x << 16) | y);
 511                 OUT_RING((w << 16) | h);
 512
 513                 ADVANCE_RING();
 514         }
 515
 516         /* Increment the frame counter.  The client-side 3D driver must
 517          * throttle the framerate by waiting for this value before
 518          * performing the swapbuffer ioctl.
 519          */
 520         dev_priv->sarea_priv->last_frame++;
 521
 522         BEGIN_RING(2);
 523
 524         OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
 525         OUT_RING(dev_priv->sarea_priv->last_frame);
 526
 527         ADVANCE_RING();
 528 }
 529
 530 static void r128_cce_dispatch_flip(struct drm_device * dev)
 531 {
 532         drm_r128_private_t *dev_priv = dev->dev_private;
 533         RING_LOCALS;
 534         DRM_DEBUG("page=%d pfCurrentPage=%d\n",
 535                   dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage);
 536
 537 #if R128_PERFORMANCE_BOXES
 538         /* Do some trivial performance monitoring...
 539          */
 540         r128_cce_performance_boxes(dev_priv);
 541 #endif
 542
 543         BEGIN_RING(4);
 544
 545         R128_WAIT_UNTIL_PAGE_FLIPPED();
 546         OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0));
 547
 548         if (dev_priv->current_page == 0) {
 549                 OUT_RING(dev_priv->back_offset);
 550         } else {
 551                 OUT_RING(dev_priv->front_offset);
 552         }
 553
 554         ADVANCE_RING();
 555
 556         /* Increment the frame counter.  The client-side 3D driver must
 557          * throttle the framerate by waiting for this value before
 558          * performing the swapbuffer ioctl.
 559          */
 560         dev_priv->sarea_priv->last_frame++;
 561         dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
 562             1 - dev_priv->current_page;
 563
 564         BEGIN_RING(2);
 565
 566         OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
 567         OUT_RING(dev_priv->sarea_priv->last_frame);
 568
 569         ADVANCE_RING();
 570 }
 571
 572 static void r128_cce_dispatch_vertex(struct drm_device * dev, struct drm_buf * buf)
 573 {
 574         drm_r128_private_t *dev_priv = dev->dev_private;
 575         drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 576         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 577         int format = sarea_priv->vc_format;
 578         int offset = buf->bus_address;
 579         int size = buf->used;
 580         int prim = buf_priv->prim;
 581         int i = 0;
 582         RING_LOCALS;
 583         DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox);
 584
 585         if (0)
 586                 r128_print_dirty("dispatch_vertex", sarea_priv->dirty);
 587
 588         if (buf->used) {
 589                 buf_priv->dispatched = 1;
 590
 591                 if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
 592                         r128_emit_state(dev_priv);
 593                 }
 594
 595                 do {
 596                         /* Emit the next set of up to three cliprects */
 597                         if (i < sarea_priv->nbox) {
 598                                 r128_emit_clip_rects(dev_priv,
 599                                                      &sarea_priv->boxes[i],
 600                                                      sarea_priv->nbox - i);
 601                         }
 602
 603                         /* Emit the vertex buffer rendering commands */
 604                         BEGIN_RING(5);
 605
 606                         OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3));
 607                         OUT_RING(offset);
 608                         OUT_RING(size);
 609                         OUT_RING(format);
 610                         OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
 611                                  (size << R128_CCE_VC_CNTL_NUM_SHIFT));
 612
 613                         ADVANCE_RING();
 614
 615                         i += 3;
 616                 } while (i < sarea_priv->nbox);
 617         }
 618
 619         if (buf_priv->discard) {
 620                 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 621
 622                 /* Emit the vertex buffer age */
 623                 BEGIN_RING(2);
 624
 625                 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 626                 OUT_RING(buf_priv->age);
 627
 628                 ADVANCE_RING();
 629
 630                 buf->pending = 1;
 631                 buf->used = 0;
 632                 /* FIXME: Check dispatched field */
 633                 buf_priv->dispatched = 0;
 634         }
 635
 636         dev_priv->sarea_priv->last_dispatch++;
 637
 638         sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
 639         sarea_priv->nbox = 0;
 640 }
 641
 642 static void r128_cce_dispatch_indirect(struct drm_device * dev,
 643                                        struct drm_buf * buf, int start, int end)
 644 {
 645         drm_r128_private_t *dev_priv = dev->dev_private;
 646         drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 647         RING_LOCALS;
 648         DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
 649
 650         if (start != end) {
 651                 int offset = buf->bus_address + start;
 652                 int dwords = (end - start + 3) / sizeof(u32);
 653
 654                 /* Indirect buffer data must be an even number of
 655                  * dwords, so if we've been given an odd number we must
 656                  * pad the data with a Type-2 CCE packet.
 657                  */
 658                 if (dwords & 1) {
 659                         u32 *data = (u32 *)
 660                             ((char *)dev->agp_buffer_map->virtual
 661                              + buf->offset + start);
 662                         data[dwords++] = cpu_to_le32(R128_CCE_PACKET2);
 663                 }
 664
 665                 buf_priv->dispatched = 1;
 666
 667                 /* Fire off the indirect buffer */
 668                 BEGIN_RING(3);
 669
 670                 OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1));
 671                 OUT_RING(offset);
 672                 OUT_RING(dwords);
 673
 674                 ADVANCE_RING();
 675         }
 676
 677         if (buf_priv->discard) {
 678                 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 679
 680                 /* Emit the indirect buffer age */
 681                 BEGIN_RING(2);
 682
 683                 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 684                 OUT_RING(buf_priv->age);
 685
 686                 ADVANCE_RING();
 687
 688                 buf->pending = 1;
 689                 buf->used = 0;
 690                 /* FIXME: Check dispatched field */
 691                 buf_priv->dispatched = 0;
 692         }
 693
 694         dev_priv->sarea_priv->last_dispatch++;
 695 }
 696
 697 static void r128_cce_dispatch_indices(struct drm_device * dev,
 698                                       struct drm_buf * buf,
 699                                       int start, int end, int count)
 700 {
 701         drm_r128_private_t *dev_priv = dev->dev_private;
 702         drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 703         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 704         int format = sarea_priv->vc_format;
 705         int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset;
 706         int prim = buf_priv->prim;
 707         u32 *data;
 708         int dwords;
 709         int i = 0;
 710         RING_LOCALS;
 711         DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count);
 712
 713         if (0)
 714                 r128_print_dirty("dispatch_indices", sarea_priv->dirty);
 715
 716         if (start != end) {
 717                 buf_priv->dispatched = 1;
 718
 719                 if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
 720                         r128_emit_state(dev_priv);
 721                 }
 722
 723                 dwords = (end - start + 3) / sizeof(u32);
 724
 725                 data = (u32 *) ((char *)dev->agp_buffer_map->virtual
 726                                 + buf->offset + start);
 727
 728                 data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM,
 729                                                   dwords - 2));
 730
 731                 data[1] = cpu_to_le32(offset);
 732                 data[2] = cpu_to_le32(R128_MAX_VB_VERTS);
 733                 data[3] = cpu_to_le32(format);
 734                 data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
 735                                        (count << 16)));
 736
 737                 if (count & 0x1) {
 738 #ifdef __LITTLE_ENDIAN
 739                         data[dwords - 1] &= 0x0000ffff;
 740 #else
 741                         data[dwords - 1] &= 0xffff0000;
 742 #endif
 743                 }
 744
 745                 do {
 746                         /* Emit the next set of up to three cliprects */
 747                         if (i < sarea_priv->nbox) {
 748                                 r128_emit_clip_rects(dev_priv,
 749                                                      &sarea_priv->boxes[i],
 750                                                      sarea_priv->nbox - i);
 751                         }
 752
 753                         r128_cce_dispatch_indirect(dev, buf, start, end);
 754
 755                         i += 3;
 756                 } while (i < sarea_priv->nbox);
 757         }
 758
 759         if (buf_priv->discard) {
 760                 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 761
 762                 /* Emit the vertex buffer age */
 763                 BEGIN_RING(2);
 764
 765                 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 766                 OUT_RING(buf_priv->age);
 767
 768                 ADVANCE_RING();
 769
 770                 buf->pending = 1;
 771                 /* FIXME: Check dispatched field */
 772                 buf_priv->dispatched = 0;
 773         }
 774
 775         dev_priv->sarea_priv->last_dispatch++;
 776
 777         sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
 778         sarea_priv->nbox = 0;
 779 }
 780
 781 static int r128_cce_dispatch_blit(struct drm_device * dev,
 782                                   struct drm_file *file_priv,
 783                                   drm_r128_blit_t * blit)
 784 {
 785         drm_r128_private_t *dev_priv = dev->dev_private;
 786         struct drm_device_dma *dma = dev->dma;
 787         struct drm_buf *buf;
 788         drm_r128_buf_priv_t *buf_priv;
 789         u32 *data;
 790         int dword_shift, dwords;
 791         RING_LOCALS;
 792         DRM_DEBUG("\n");
 793
 794         /* The compiler won't optimize away a division by a variable,
 795          * even if the only legal values are powers of two.  Thus, we'll
 796          * use a shift instead.
 797          */
 798         switch (blit->format) {
 799         case R128_DATATYPE_ARGB8888:
 800                 dword_shift = 0;
 801                 break;
 802         case R128_DATATYPE_ARGB1555:
 803         case R128_DATATYPE_RGB565:
 804         case R128_DATATYPE_ARGB4444:
 805         case R128_DATATYPE_YVYU422:
 806         case R128_DATATYPE_VYUY422:
 807                 dword_shift = 1;
 808                 break;
 809         case R128_DATATYPE_CI8:
 810         case R128_DATATYPE_RGB8:
 811                 dword_shift = 2;
 812                 break;
 813         default:
 814                 DRM_ERROR("invalid blit format %d\n", blit->format);
 815                 return -EINVAL;
 816         }
 817
 818         /* Flush the pixel cache, and mark the contents as Read Invalid.
 819          * This ensures no pixel data gets mixed up with the texture
 820          * data from the host data blit, otherwise part of the texture
 821          * image may be corrupted.
 822          */
 823         BEGIN_RING(2);
 824
 825         OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
 826         OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI);
 827
 828         ADVANCE_RING();
 829
 830         /* Dispatch the indirect buffer.
 831          */
 832         buf = dma->buflist[blit->idx];
 833         buf_priv = buf->dev_private;
 834
 835         if (buf->file_priv != file_priv) {
 836                 DRM_ERROR("process %d using buffer owned by %p\n",
 837                           DRM_CURRENTPID, buf->file_priv);
 838                 return -EINVAL;
 839         }
 840         if (buf->pending) {
 841                 DRM_ERROR("sending pending buffer %d\n", blit->idx);
 842                 return -EINVAL;
 843         }
 844
 845         buf_priv->discard = 1;
 846
 847         dwords = (blit->width * blit->height) >> dword_shift;
 848
 849         data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
 850
 851         data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6));
 852         data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL |
 853                                R128_GMC_BRUSH_NONE |
 854                                (blit->format << 8) |
 855                                R128_GMC_SRC_DATATYPE_COLOR |
 856                                R128_ROP3_S |
 857                                R128_DP_SRC_SOURCE_HOST_DATA |
 858                                R128_GMC_CLR_CMP_CNTL_DIS |
 859                                R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS));
 860
 861         data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5));
 862         data[3] = cpu_to_le32(0xffffffff);
 863         data[4] = cpu_to_le32(0xffffffff);
 864         data[5] = cpu_to_le32((blit->y << 16) | blit->x);
 865         data[6] = cpu_to_le32((blit->height << 16) | blit->width);
 866         data[7] = cpu_to_le32(dwords);
 867
 868         buf->used = (dwords + 8) * sizeof(u32);
 869
 870         r128_cce_dispatch_indirect(dev, buf, 0, buf->used);
 871
 872         /* Flush the pixel cache after the blit completes.  This ensures
 873          * the texture data is written out to memory before rendering
 874          * continues.
 875          */
 876         BEGIN_RING(2);
 877
 878         OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
 879         OUT_RING(R128_PC_FLUSH_GUI);
 880
 881         ADVANCE_RING();
 882
 883         return 0;
 884 }
 885
 886 /* ================================================================
 887  * Tiled depth buffer management
 888  *
 889  * FIXME: These should all set the destination write mask for when we
 890  * have hardware stencil support.
 891  */
 892
 893 static int r128_cce_dispatch_write_span(struct drm_device * dev,
 894                                         drm_r128_depth_t * depth)
 895 {
 896         drm_r128_private_t *dev_priv = dev->dev_private;
 897         int count, x, y;
 898         u32 *buffer;
 899         u8 *mask;
 900         int i, buffer_size, mask_size;
 901         RING_LOCALS;
 902         DRM_DEBUG("\n");
 903
 904         count = depth->n;
 905         if (count > 4096 || count <= 0)
 906                 return -EMSGSIZE;
 907
 908         if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
 909                 return -EFAULT;
 910         }
 911         if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
 912                 return -EFAULT;
 913         }
 914
 915         buffer_size = depth->n * sizeof(u32);
 916         buffer = drm_alloc(buffer_size, DRM_MEM_BUFS);
 917         if (buffer == NULL)
 918                 return -ENOMEM;
 919         if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
 920                 drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 921                 return -EFAULT;
 922         }
 923
 924         mask_size = depth->n * sizeof(u8);
 925         if (depth->mask) {
 926                 mask = drm_alloc(mask_size, DRM_MEM_BUFS);
 927                 if (mask == NULL) {
 928                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 929                         return -ENOMEM;
 930                 }
 931                 if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
 932                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 933                         drm_free(mask, mask_size, DRM_MEM_BUFS);
 934                         return -EFAULT;
 935                 }
 936
 937                 for (i = 0; i < count; i++, x++) {
 938                         if (mask[i]) {
 939                                 BEGIN_RING(6);
 940
 941                                 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 942                                 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 943                                          R128_GMC_BRUSH_SOLID_COLOR |
 944                                          (dev_priv->depth_fmt << 8) |
 945                                          R128_GMC_SRC_DATATYPE_COLOR |
 946                                          R128_ROP3_P |
 947                                          R128_GMC_CLR_CMP_CNTL_DIS |
 948                                          R128_GMC_WR_MSK_DIS);
 949
 950                                 OUT_RING(dev_priv->depth_pitch_offset_c);
 951                                 OUT_RING(buffer[i]);
 952
 953                                 OUT_RING((x << 16) | y);
 954                                 OUT_RING((1 << 16) | 1);
 955
 956                                 ADVANCE_RING();
 957                         }
 958                 }
 959
 960                 drm_free(mask, mask_size, DRM_MEM_BUFS);
 961         } else {
 962                 for (i = 0; i < count; i++, x++) {
 963                         BEGIN_RING(6);
 964
 965                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 966                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 967                                  R128_GMC_BRUSH_SOLID_COLOR |
 968                                  (dev_priv->depth_fmt << 8) |
 969                                  R128_GMC_SRC_DATATYPE_COLOR |
 970                                  R128_ROP3_P |
 971                                  R128_GMC_CLR_CMP_CNTL_DIS |
 972                                  R128_GMC_WR_MSK_DIS);
 973
 974                         OUT_RING(dev_priv->depth_pitch_offset_c);
 975                         OUT_RING(buffer[i]);
 976
 977                         OUT_RING((x << 16) | y);
 978                         OUT_RING((1 << 16) | 1);
 979
 980                         ADVANCE_RING();
 981                 }
 982         }
 983
 984         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 985
 986         return 0;
 987 }
 988
 989 static int r128_cce_dispatch_write_pixels(struct drm_device * dev,
 990                                           drm_r128_depth_t * depth)
 991 {
 992         drm_r128_private_t *dev_priv = dev->dev_private;
 993         int count, *x, *y;
 994         u32 *buffer;
 995         u8 *mask;
 996         int i, xbuf_size, ybuf_size, buffer_size, mask_size;
 997         RING_LOCALS;
 998         DRM_DEBUG("\n");
 999
1000         count = depth->n;
1001         if (count > 4096 || count <= 0)
1002                 return -EMSGSIZE;
1003
1004         xbuf_size = count * sizeof(*x);
1005         ybuf_size = count * sizeof(*y);
1006         x = drm_alloc(xbuf_size, DRM_MEM_BUFS);
1007         if (x == NULL) {
1008                 return -ENOMEM;
1009         }
1010         y = drm_alloc(ybuf_size, DRM_MEM_BUFS);
1011         if (y == NULL) {
1012                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1013                 return -ENOMEM;
1014         }
1015         if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
1016                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1017                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1018                 return -EFAULT;
1019         }
1020         if (DRM_COPY_FROM_USER(y, depth->y, xbuf_size)) {
1021                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1022                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1023                 return -EFAULT;
1024         }
1025
1026         buffer_size = depth->n * sizeof(u32);
1027         buffer = drm_alloc(buffer_size, DRM_MEM_BUFS);
1028         if (buffer == NULL) {
1029                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1030                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1031                 return -ENOMEM;
1032         }
1033         if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
1034                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1035                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1036                 drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1037                 return -EFAULT;
1038         }
1039
1040         if (depth->mask) {
1041                 mask_size = depth->n * sizeof(u8);
1042                 mask = drm_alloc(mask_size, DRM_MEM_BUFS);
1043                 if (mask == NULL) {
1044                         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1045                         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1046                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1047                         return -ENOMEM;
1048                 }
1049                 if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
1050                         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1051                         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1052                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1053                         drm_free(mask, mask_size, DRM_MEM_BUFS);
1054                         return -EFAULT;
1055                 }
1056
1057                 for (i = 0; i < count; i++) {
1058                         if (mask[i]) {
1059                                 BEGIN_RING(6);
1060
1061                                 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1062                                 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1063                                          R128_GMC_BRUSH_SOLID_COLOR |
1064                                          (dev_priv->depth_fmt << 8) |
1065                                          R128_GMC_SRC_DATATYPE_COLOR |
1066                                          R128_ROP3_P |
1067                                          R128_GMC_CLR_CMP_CNTL_DIS |
1068                                          R128_GMC_WR_MSK_DIS);
1069
1070                                 OUT_RING(dev_priv->depth_pitch_offset_c);
1071                                 OUT_RING(buffer[i]);
1072
1073                                 OUT_RING((x[i] << 16) | y[i]);
1074                                 OUT_RING((1 << 16) | 1);
1075
1076                                 ADVANCE_RING();
1077                         }
1078                 }
1079
1080                 drm_free(mask, mask_size, DRM_MEM_BUFS);
1081         } else {
1082                 for (i = 0; i < count; i++) {
1083                         BEGIN_RING(6);
1084
1085                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1086                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1087                                  R128_GMC_BRUSH_SOLID_COLOR |
1088                                  (dev_priv->depth_fmt << 8) |
1089                                  R128_GMC_SRC_DATATYPE_COLOR |
1090                                  R128_ROP3_P |
1091                                  R128_GMC_CLR_CMP_CNTL_DIS |
1092                                  R128_GMC_WR_MSK_DIS);
1093
1094                         OUT_RING(dev_priv->depth_pitch_offset_c);
1095                         OUT_RING(buffer[i]);
1096
1097                         OUT_RING((x[i] << 16) | y[i]);
1098                         OUT_RING((1 << 16) | 1);
1099
1100                         ADVANCE_RING();
1101                 }
1102         }
1103
1104         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1105         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1106         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1107
1108         return 0;
1109 }
1110
1111 static int r128_cce_dispatch_read_span(struct drm_device * dev,
1112                                        drm_r128_depth_t * depth)
1113 {
1114         drm_r128_private_t *dev_priv = dev->dev_private;
1115         int count, x, y;
1116         RING_LOCALS;
1117         DRM_DEBUG("\n");
1118
1119         count = depth->n;
1120         if (count > 4096 || count <= 0)
1121                 return -EMSGSIZE;
1122
1123         if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
1124                 return -EFAULT;
1125         }
1126         if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
1127                 return -EFAULT;
1128         }
1129
1130         BEGIN_RING(7);
1131
1132         OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1133         OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1134                  R128_GMC_DST_PITCH_OFFSET_CNTL |
1135                  R128_GMC_BRUSH_NONE |
1136                  (dev_priv->depth_fmt << 8) |
1137                  R128_GMC_SRC_DATATYPE_COLOR |
1138                  R128_ROP3_S |
1139                  R128_DP_SRC_SOURCE_MEMORY |
1140                  R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1141
1142         OUT_RING(dev_priv->depth_pitch_offset_c);
1143         OUT_RING(dev_priv->span_pitch_offset_c);
1144
1145         OUT_RING((x << 16) | y);
1146         OUT_RING((0 << 16) | 0);
1147         OUT_RING((count << 16) | 1);
1148
1149         ADVANCE_RING();
1150
1151         return 0;
1152 }
1153
1154 static int r128_cce_dispatch_read_pixels(struct drm_device * dev,
1155                                          drm_r128_depth_t * depth)
1156 {
1157         drm_r128_private_t *dev_priv = dev->dev_private;
1158         int count, *x, *y;
1159         int i, xbuf_size, ybuf_size;
1160         RING_LOCALS;
1161         DRM_DEBUG("\n");
1162
1163         count = depth->n;
1164         if (count > 4096 || count <= 0)
1165                 return -EMSGSIZE;
1166
1167         if (count > dev_priv->depth_pitch) {
1168                 count = dev_priv->depth_pitch;
1169         }
1170
1171         xbuf_size = count * sizeof(*x);
1172         ybuf_size = count * sizeof(*y);
1173         x = drm_alloc(xbuf_size, DRM_MEM_BUFS);
1174         if (x == NULL) {
1175                 return -ENOMEM;
1176         }
1177         y = drm_alloc(ybuf_size, DRM_MEM_BUFS);
1178         if (y == NULL) {
1179                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1180                 return -ENOMEM;
1181         }
1182         if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
1183                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1184                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1185                 return -EFAULT;
1186         }
1187         if (DRM_COPY_FROM_USER(y, depth->y, ybuf_size)) {
1188                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1189                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1190                 return -EFAULT;
1191         }
1192
1193         for (i = 0; i < count; i++) {
1194                 BEGIN_RING(7);
1195
1196                 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1197                 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1198                          R128_GMC_DST_PITCH_OFFSET_CNTL |
1199                          R128_GMC_BRUSH_NONE |
1200                          (dev_priv->depth_fmt << 8) |
1201                          R128_GMC_SRC_DATATYPE_COLOR |
1202                          R128_ROP3_S |
1203                          R128_DP_SRC_SOURCE_MEMORY |
1204                          R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1205
1206                 OUT_RING(dev_priv->depth_pitch_offset_c);
1207                 OUT_RING(dev_priv->span_pitch_offset_c);
1208
1209                 OUT_RING((x[i] << 16) | y[i]);
1210                 OUT_RING((i << 16) | 0);
1211                 OUT_RING((1 << 16) | 1);
1212
1213                 ADVANCE_RING();
1214         }
1215
1216         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1217         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1218
1219         return 0;
1220 }
1221
1222 /* ================================================================
1223  * Polygon stipple
1224  */
1225
1226 static void r128_cce_dispatch_stipple(struct drm_device * dev, u32 * stipple)
1227 {
1228         drm_r128_private_t *dev_priv = dev->dev_private;
1229         int i;
1230         RING_LOCALS;
1231         DRM_DEBUG("\n");
1232
1233         BEGIN_RING(33);
1234
1235         OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31));
1236         for (i = 0; i < 32; i++) {
1237                 OUT_RING(stipple[i]);
1238         }
1239
1240         ADVANCE_RING();
1241 }
1242
1243 /* ================================================================
1244  * IOCTL functions
1245  */
1246
1247 static int r128_cce_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
1248 {
1249         drm_r128_private_t *dev_priv = dev->dev_private;
1250         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
1251         drm_r128_clear_t *clear = data;
1252         DRM_DEBUG("\n");
1253
1254         LOCK_TEST_WITH_RETURN(dev, file_priv);
1255
1256         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1257
1258         if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1259                 sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1260
1261         r128_cce_dispatch_clear(dev, clear);
1262         COMMIT_RING();
1263
1264         /* Make sure we restore the 3D state next time.
1265          */
1266         dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
1267
1268         return 0;
1269 }
1270
1271 static int r128_do_init_pageflip(struct drm_device * dev)
1272 {
1273         drm_r128_private_t *dev_priv = dev->dev_private;
1274         DRM_DEBUG("\n");
1275
1276         dev_priv->crtc_offset = R128_READ(R128_CRTC_OFFSET);
1277         dev_priv->crtc_offset_cntl = R128_READ(R128_CRTC_OFFSET_CNTL);
1278
1279         R128_WRITE(R128_CRTC_OFFSET, dev_priv->front_offset);
1280         R128_WRITE(R128_CRTC_OFFSET_CNTL,
1281                    dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL);
1282
1283         dev_priv->page_flipping = 1;
1284         dev_priv->current_page = 0;
1285         dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
1286
1287         return 0;
1288 }
1289
1290 static int r128_do_cleanup_pageflip(struct drm_device * dev)
1291 {
1292         drm_r128_private_t *dev_priv = dev->dev_private;
1293         DRM_DEBUG("\n");
1294
1295         R128_WRITE(R128_CRTC_OFFSET, dev_priv->crtc_offset);
1296         R128_WRITE(R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl);
1297
1298         if (dev_priv->current_page != 0) {
1299                 r128_cce_dispatch_flip(dev);
1300                 COMMIT_RING();
1301         }
1302
1303         dev_priv->page_flipping = 0;
1304         return 0;
1305 }
1306
1307 /* Swapping and flipping are different operations, need different ioctls.
1308  * They can & should be intermixed to support multiple 3d windows.
1309  */
1310
1311 static int r128_cce_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
1312 {
1313         drm_r128_private_t *dev_priv = dev->dev_private;
1314         DRM_DEBUG("\n");
1315
1316         LOCK_TEST_WITH_RETURN(dev, file_priv);
1317
1318         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1319
1320         if (!dev_priv->page_flipping)
1321                 r128_do_init_pageflip(dev);
1322
1323         r128_cce_dispatch_flip(dev);
1324
1325         COMMIT_RING();
1326         return 0;
1327 }
1328
1329 static int r128_cce_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
1330 {
1331         drm_r128_private_t *dev_priv = dev->dev_private;
1332         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
1333         DRM_DEBUG("\n");
1334
1335         LOCK_TEST_WITH_RETURN(dev, file_priv);
1336
1337         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1338
1339         if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1340                 sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1341
1342         r128_cce_dispatch_swap(dev);
1343         dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
1344                                         R128_UPLOAD_MASKS);
1345
1346         COMMIT_RING();
1347         return 0;
1348 }
1349
1350 static int r128_cce_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
1351 {
1352         drm_r128_private_t *dev_priv = dev->dev_private;
1353         struct drm_device_dma *dma = dev->dma;
1354         struct drm_buf *buf;
1355         drm_r128_buf_priv_t *buf_priv;
1356         drm_r128_vertex_t *vertex = data;
1357
1358         LOCK_TEST_WITH_RETURN(dev, file_priv);
1359
1360         if (!dev_priv) {
1361                 DRM_ERROR("called with no initialization\n");
1362                 return -EINVAL;
1363         }
1364
1365         DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
1366                   DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
1367
1368         if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
1369                 DRM_ERROR("buffer index %d (of %d max)\n",
1370                           vertex->idx, dma->buf_count - 1);
1371                 return -EINVAL;
1372         }
1373         if (vertex->prim < 0 ||
1374             vertex->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1375                 DRM_ERROR("buffer prim %d\n", vertex->prim);
1376                 return -EINVAL;
1377         }
1378
1379         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1380         VB_AGE_TEST_WITH_RETURN(dev_priv);
1381
1382         buf = dma->buflist[vertex->idx];
1383         buf_priv = buf->dev_private;
1384
1385         if (buf->file_priv != file_priv) {
1386                 DRM_ERROR("process %d using buffer owned by %p\n",
1387                           DRM_CURRENTPID, buf->file_priv);
1388                 return -EINVAL;
1389         }
1390         if (buf->pending) {
1391                 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
1392                 return -EINVAL;
1393         }
1394
1395         buf->used = vertex->count;
1396         buf_priv->prim = vertex->prim;
1397         buf_priv->discard = vertex->discard;
1398
1399         r128_cce_dispatch_vertex(dev, buf);
1400
1401         COMMIT_RING();
1402         return 0;
1403 }
1404
1405 static int r128_cce_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
1406 {
1407         drm_r128_private_t *dev_priv = dev->dev_private;
1408         struct drm_device_dma *dma = dev->dma;
1409         struct drm_buf *buf;
1410         drm_r128_buf_priv_t *buf_priv;
1411         drm_r128_indices_t *elts = data;
1412         int count;
1413
1414         LOCK_TEST_WITH_RETURN(dev, file_priv);
1415
1416         if (!dev_priv) {
1417                 DRM_ERROR("called with no initialization\n");
1418                 return -EINVAL;
1419         }
1420
1421         DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID,
1422                   elts->idx, elts->start, elts->end, elts->discard);
1423
1424         if (elts->idx < 0 || elts->idx >= dma->buf_count) {
1425                 DRM_ERROR("buffer index %d (of %d max)\n",
1426                           elts->idx, dma->buf_count - 1);
1427                 return -EINVAL;
1428         }
1429         if (elts->prim < 0 ||
1430             elts->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1431                 DRM_ERROR("buffer prim %d\n", elts->prim);
1432                 return -EINVAL;
1433         }
1434
1435         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1436         VB_AGE_TEST_WITH_RETURN(dev_priv);
1437
1438         buf = dma->buflist[elts->idx];
1439         buf_priv = buf->dev_private;
1440
1441         if (buf->file_priv != file_priv) {
1442                 DRM_ERROR("process %d using buffer owned by %p\n",
1443                           DRM_CURRENTPID, buf->file_priv);
1444                 return -EINVAL;
1445         }
1446         if (buf->pending) {
1447                 DRM_ERROR("sending pending buffer %d\n", elts->idx);
1448                 return -EINVAL;
1449         }
1450
1451         count = (elts->end - elts->start) / sizeof(u16);
1452         elts->start -= R128_INDEX_PRIM_OFFSET;
1453
1454         if (elts->start & 0x7) {
1455                 DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
1456                 return -EINVAL;
1457         }
1458         if (elts->start < buf->used) {
1459                 DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
1460                 return -EINVAL;
1461         }
1462
1463         buf->used = elts->end;
1464         buf_priv->prim = elts->prim;
1465         buf_priv->discard = elts->discard;
1466
1467         r128_cce_dispatch_indices(dev, buf, elts->start, elts->end, count);
1468
1469         COMMIT_RING();
1470         return 0;
1471 }
1472
1473 static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
1474 {
1475         struct drm_device_dma *dma = dev->dma;
1476         drm_r128_private_t *dev_priv = dev->dev_private;
1477         drm_r128_blit_t *blit = data;
1478         int ret;
1479
1480         LOCK_TEST_WITH_RETURN(dev, file_priv);
1481
1482         DRM_DEBUG("pid=%d index=%d\n", DRM_CURRENTPID, blit->idx);
1483
1484         if (blit->idx < 0 || blit->idx >= dma->buf_count) {
1485                 DRM_ERROR("buffer index %d (of %d max)\n",
1486                           blit->idx, dma->buf_count - 1);
1487                 return -EINVAL;
1488         }
1489
1490         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1491         VB_AGE_TEST_WITH_RETURN(dev_priv);
1492
1493         ret = r128_cce_dispatch_blit(dev, file_priv, blit);
1494
1495         COMMIT_RING();
1496         return ret;
1497 }
1498
1499 static int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv)
1500 {
1501         drm_r128_private_t *dev_priv = dev->dev_private;
1502         drm_r128_depth_t *depth = data;
1503         int ret;
1504
1505         LOCK_TEST_WITH_RETURN(dev, file_priv);
1506
1507         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1508
1509         ret = -EINVAL;
1510         switch (depth->func) {
1511         case R128_WRITE_SPAN:
1512                 ret = r128_cce_dispatch_write_span(dev, depth);
1513                 break;
1514         case R128_WRITE_PIXELS:
1515                 ret = r128_cce_dispatch_write_pixels(dev, depth);
1516                 break;
1517         case R128_READ_SPAN:
1518                 ret = r128_cce_dispatch_read_span(dev, depth);
1519                 break;
1520         case R128_READ_PIXELS:
1521                 ret = r128_cce_dispatch_read_pixels(dev, depth);
1522                 break;
1523         }
1524
1525         COMMIT_RING();
1526         return ret;
1527 }
1528
1529 static int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
1530 {
1531         drm_r128_private_t *dev_priv = dev->dev_private;
1532         drm_r128_stipple_t *stipple = data;
1533         u32 mask[32];
1534
1535         LOCK_TEST_WITH_RETURN(dev, file_priv);
1536
1537         if (DRM_COPY_FROM_USER(&mask, stipple->mask, 32 * sizeof(u32)))
1538                 return -EFAULT;
1539
1540         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1541
1542         r128_cce_dispatch_stipple(dev, mask);
1543
1544         COMMIT_RING();
1545         return 0;
1546 }
1547
1548 static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
1549 {
1550         drm_r128_private_t *dev_priv = dev->dev_private;
1551         struct drm_device_dma *dma = dev->dma;
1552         struct drm_buf *buf;
1553         drm_r128_buf_priv_t *buf_priv;
1554         drm_r128_indirect_t *indirect = data;
1555 #if 0
1556         RING_LOCALS;
1557 #endif
1558
1559         LOCK_TEST_WITH_RETURN(dev, file_priv);
1560
1561         if (!dev_priv) {
1562                 DRM_ERROR("called with no initialization\n");
1563                 return -EINVAL;
1564         }
1565
1566         DRM_DEBUG("idx=%d s=%d e=%d d=%d\n",
1567                   indirect->idx, indirect->start, indirect->end,
1568                   indirect->discard);
1569
1570         if (indirect->idx < 0 || indirect->idx >= dma->buf_count) {
1571                 DRM_ERROR("buffer index %d (of %d max)\n",
1572                           indirect->idx, dma->buf_count - 1);
1573                 return -EINVAL;
1574         }
1575
1576         buf = dma->buflist[indirect->idx];
1577         buf_priv = buf->dev_private;
1578
1579         if (buf->file_priv != file_priv) {
1580                 DRM_ERROR("process %d using buffer owned by %p\n",
1581                           DRM_CURRENTPID, buf->file_priv);
1582                 return -EINVAL;
1583         }
1584         if (buf->pending) {
1585                 DRM_ERROR("sending pending buffer %d\n", indirect->idx);
1586                 return -EINVAL;
1587         }
1588
1589         if (indirect->start < buf->used) {
1590                 DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
1591                           indirect->start, buf->used);
1592                 return -EINVAL;
1593         }
1594
1595         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1596         VB_AGE_TEST_WITH_RETURN(dev_priv);
1597
1598         buf->used = indirect->end;
1599         buf_priv->discard = indirect->discard;
1600
1601 #if 0
1602         /* Wait for the 3D stream to idle before the indirect buffer
1603          * containing 2D acceleration commands is processed.
1604          */
1605         BEGIN_RING(2);
1606         RADEON_WAIT_UNTIL_3D_IDLE();
1607         ADVANCE_RING();
1608 #endif
1609
1610         /* Dispatch the indirect buffer full of commands from the
1611          * X server.  This is insecure and is thus only available to
1612          * privileged clients.
1613          */
1614         r128_cce_dispatch_indirect(dev, buf, indirect->start, indirect->end);
1615
1616         COMMIT_RING();
1617         return 0;
1618 }
1619
1620 static int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
1621 {
1622         drm_r128_private_t *dev_priv = dev->dev_private;
1623         drm_r128_getparam_t *param = data;
1624         int value;
1625
1626         if (!dev_priv) {
1627                 DRM_ERROR("called with no initialization\n");
1628                 return -EINVAL;
1629         }
1630
1631         DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1632
1633         switch (param->param) {
1634         case R128_PARAM_IRQ_NR:
1635                 value = dev->irq;
1636                 break;
1637         default:
1638                 return -EINVAL;
1639         }
1640
1641         if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
1642                 DRM_ERROR("copy_to_user\n");
1643                 return -EFAULT;
1644         }
1645
1646         return 0;
1647 }
1648
1649 void r128_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
1650 {
1651         if (dev->dev_private) {
1652                 drm_r128_private_t *dev_priv = dev->dev_private;
1653                 if (dev_priv->page_flipping) {
1654                         r128_do_cleanup_pageflip(dev);
1655                 }
1656         }
1657 }
1658
1659 void r128_driver_lastclose(struct drm_device * dev)
1660 {
1661         r128_do_cleanup_cce(dev);
1662 }
1663
1664 struct drm_ioctl_desc r128_ioctls[] = {
1665         DRM_IOCTL_DEF(DRM_R128_INIT, r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1666         DRM_IOCTL_DEF(DRM_R128_CCE_START, r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1667         DRM_IOCTL_DEF(DRM_R128_CCE_STOP, r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1668         DRM_IOCTL_DEF(DRM_R128_CCE_RESET, r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1669         DRM_IOCTL_DEF(DRM_R128_CCE_IDLE, r128_cce_idle, DRM_AUTH),
1670         DRM_IOCTL_DEF(DRM_R128_RESET, r128_engine_reset, DRM_AUTH),
1671         DRM_IOCTL_DEF(DRM_R128_FULLSCREEN, r128_fullscreen, DRM_AUTH),
1672         DRM_IOCTL_DEF(DRM_R128_SWAP, r128_cce_swap, DRM_AUTH),
1673         DRM_IOCTL_DEF(DRM_R128_FLIP, r128_cce_flip, DRM_AUTH),
1674         DRM_IOCTL_DEF(DRM_R128_CLEAR, r128_cce_clear, DRM_AUTH),
1675         DRM_IOCTL_DEF(DRM_R128_VERTEX, r128_cce_vertex, DRM_AUTH),
1676         DRM_IOCTL_DEF(DRM_R128_INDICES, r128_cce_indices, DRM_AUTH),
1677         DRM_IOCTL_DEF(DRM_R128_BLIT, r128_cce_blit, DRM_AUTH),
1678         DRM_IOCTL_DEF(DRM_R128_DEPTH, r128_cce_depth, DRM_AUTH),
1679         DRM_IOCTL_DEF(DRM_R128_STIPPLE, r128_cce_stipple, DRM_AUTH),
1680         DRM_IOCTL_DEF(DRM_R128_INDIRECT, r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1681         DRM_IOCTL_DEF(DRM_R128_GETPARAM, r128_getparam, DRM_AUTH),
1682 };
1683
1684 int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls);