drivers/char/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  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24  * DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors:
  27  *    Gareth Hughes <gareth@valinux.com>
  28  */
  29
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "r128_drm.h"
  33 #include "r128_drv.h"
  34
  35 /* ================================================================
  36  * CCE hardware state programming functions
  37  */
  38
  39 static void r128_emit_clip_rects(drm_r128_private_t * dev_priv,
  40                                  drm_clip_rect_t * boxes, int count)
  41 {
  42         u32 aux_sc_cntl = 0x00000000;
  43         RING_LOCALS;
  44         DRM_DEBUG("    %s\n", __FUNCTION__);
  45
  46         BEGIN_RING((count < 3 ? count : 3) * 5 + 2);
  47
  48         if (count >= 1) {
  49                 OUT_RING(CCE_PACKET0(R128_AUX1_SC_LEFT, 3));
  50                 OUT_RING(boxes[0].x1);
  51                 OUT_RING(boxes[0].x2 - 1);
  52                 OUT_RING(boxes[0].y1);
  53                 OUT_RING(boxes[0].y2 - 1);
  54
  55                 aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR);
  56         }
  57         if (count >= 2) {
  58                 OUT_RING(CCE_PACKET0(R128_AUX2_SC_LEFT, 3));
  59                 OUT_RING(boxes[1].x1);
  60                 OUT_RING(boxes[1].x2 - 1);
  61                 OUT_RING(boxes[1].y1);
  62                 OUT_RING(boxes[1].y2 - 1);
  63
  64                 aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR);
  65         }
  66         if (count >= 3) {
  67                 OUT_RING(CCE_PACKET0(R128_AUX3_SC_LEFT, 3));
  68                 OUT_RING(boxes[2].x1);
  69                 OUT_RING(boxes[2].x2 - 1);
  70                 OUT_RING(boxes[2].y1);
  71                 OUT_RING(boxes[2].y2 - 1);
  72
  73                 aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR);
  74         }
  75
  76         OUT_RING(CCE_PACKET0(R128_AUX_SC_CNTL, 0));
  77         OUT_RING(aux_sc_cntl);
  78
  79         ADVANCE_RING();
  80 }
  81
  82 static __inline__ void r128_emit_core(drm_r128_private_t * dev_priv)
  83 {
  84         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
  85         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
  86         RING_LOCALS;
  87         DRM_DEBUG("    %s\n", __FUNCTION__);
  88
  89         BEGIN_RING(2);
  90
  91         OUT_RING(CCE_PACKET0(R128_SCALE_3D_CNTL, 0));
  92         OUT_RING(ctx->scale_3d_cntl);
  93
  94         ADVANCE_RING();
  95 }
  96
  97 static __inline__ void r128_emit_context(drm_r128_private_t * dev_priv)
  98 {
  99         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 100         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 101         RING_LOCALS;
 102         DRM_DEBUG("    %s\n", __FUNCTION__);
 103
 104         BEGIN_RING(13);
 105
 106         OUT_RING(CCE_PACKET0(R128_DST_PITCH_OFFSET_C, 11));
 107         OUT_RING(ctx->dst_pitch_offset_c);
 108         OUT_RING(ctx->dp_gui_master_cntl_c);
 109         OUT_RING(ctx->sc_top_left_c);
 110         OUT_RING(ctx->sc_bottom_right_c);
 111         OUT_RING(ctx->z_offset_c);
 112         OUT_RING(ctx->z_pitch_c);
 113         OUT_RING(ctx->z_sten_cntl_c);
 114         OUT_RING(ctx->tex_cntl_c);
 115         OUT_RING(ctx->misc_3d_state_cntl_reg);
 116         OUT_RING(ctx->texture_clr_cmp_clr_c);
 117         OUT_RING(ctx->texture_clr_cmp_msk_c);
 118         OUT_RING(ctx->fog_color_c);
 119
 120         ADVANCE_RING();
 121 }
 122
 123 static __inline__ void r128_emit_setup(drm_r128_private_t * dev_priv)
 124 {
 125         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 126         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 127         RING_LOCALS;
 128         DRM_DEBUG("    %s\n", __FUNCTION__);
 129
 130         BEGIN_RING(3);
 131
 132         OUT_RING(CCE_PACKET1(R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP));
 133         OUT_RING(ctx->setup_cntl);
 134         OUT_RING(ctx->pm4_vc_fpu_setup);
 135
 136         ADVANCE_RING();
 137 }
 138
 139 static __inline__ void r128_emit_masks(drm_r128_private_t * dev_priv)
 140 {
 141         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 142         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 143         RING_LOCALS;
 144         DRM_DEBUG("    %s\n", __FUNCTION__);
 145
 146         BEGIN_RING(5);
 147
 148         OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
 149         OUT_RING(ctx->dp_write_mask);
 150
 151         OUT_RING(CCE_PACKET0(R128_STEN_REF_MASK_C, 1));
 152         OUT_RING(ctx->sten_ref_mask_c);
 153         OUT_RING(ctx->plane_3d_mask_c);
 154
 155         ADVANCE_RING();
 156 }
 157
 158 static __inline__ void r128_emit_window(drm_r128_private_t * dev_priv)
 159 {
 160         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 161         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 162         RING_LOCALS;
 163         DRM_DEBUG("    %s\n", __FUNCTION__);
 164
 165         BEGIN_RING(2);
 166
 167         OUT_RING(CCE_PACKET0(R128_WINDOW_XY_OFFSET, 0));
 168         OUT_RING(ctx->window_xy_offset);
 169
 170         ADVANCE_RING();
 171 }
 172
 173 static __inline__ void r128_emit_tex0(drm_r128_private_t * dev_priv)
 174 {
 175         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 176         drm_r128_context_regs_t *ctx = &sarea_priv->context_state;
 177         drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0];
 178         int i;
 179         RING_LOCALS;
 180         DRM_DEBUG("    %s\n", __FUNCTION__);
 181
 182         BEGIN_RING(7 + R128_MAX_TEXTURE_LEVELS);
 183
 184         OUT_RING(CCE_PACKET0(R128_PRIM_TEX_CNTL_C,
 185                              2 + R128_MAX_TEXTURE_LEVELS));
 186         OUT_RING(tex->tex_cntl);
 187         OUT_RING(tex->tex_combine_cntl);
 188         OUT_RING(ctx->tex_size_pitch_c);
 189         for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
 190                 OUT_RING(tex->tex_offset[i]);
 191         }
 192
 193         OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1));
 194         OUT_RING(ctx->constant_color_c);
 195         OUT_RING(tex->tex_border_color);
 196
 197         ADVANCE_RING();
 198 }
 199
 200 static __inline__ void r128_emit_tex1(drm_r128_private_t * dev_priv)
 201 {
 202         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 203         drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
 204         int i;
 205         RING_LOCALS;
 206         DRM_DEBUG("    %s\n", __FUNCTION__);
 207
 208         BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS);
 209
 210         OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS));
 211         OUT_RING(tex->tex_cntl);
 212         OUT_RING(tex->tex_combine_cntl);
 213         for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++) {
 214                 OUT_RING(tex->tex_offset[i]);
 215         }
 216
 217         OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0));
 218         OUT_RING(tex->tex_border_color);
 219
 220         ADVANCE_RING();
 221 }
 222
 223 static __inline__ void r128_emit_state(drm_r128_private_t * dev_priv)
 224 {
 225         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 226         unsigned int dirty = sarea_priv->dirty;
 227
 228         DRM_DEBUG("%s: dirty=0x%08x\n", __FUNCTION__, dirty);
 229
 230         if (dirty & R128_UPLOAD_CORE) {
 231                 r128_emit_core(dev_priv);
 232                 sarea_priv->dirty &= ~R128_UPLOAD_CORE;
 233         }
 234
 235         if (dirty & R128_UPLOAD_CONTEXT) {
 236                 r128_emit_context(dev_priv);
 237                 sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
 238         }
 239
 240         if (dirty & R128_UPLOAD_SETUP) {
 241                 r128_emit_setup(dev_priv);
 242                 sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
 243         }
 244
 245         if (dirty & R128_UPLOAD_MASKS) {
 246                 r128_emit_masks(dev_priv);
 247                 sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
 248         }
 249
 250         if (dirty & R128_UPLOAD_WINDOW) {
 251                 r128_emit_window(dev_priv);
 252                 sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
 253         }
 254
 255         if (dirty & R128_UPLOAD_TEX0) {
 256                 r128_emit_tex0(dev_priv);
 257                 sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
 258         }
 259
 260         if (dirty & R128_UPLOAD_TEX1) {
 261                 r128_emit_tex1(dev_priv);
 262                 sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
 263         }
 264
 265         /* Turn off the texture cache flushing */
 266         sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
 267
 268         sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
 269 }
 270
 271 #if R128_PERFORMANCE_BOXES
 272 /* ================================================================
 273  * Performance monitoring functions
 274  */
 275
 276 static void r128_clear_box(drm_r128_private_t * dev_priv,
 277                            int x, int y, int w, int h, int r, int g, int b)
 278 {
 279         u32 pitch, offset;
 280         u32 fb_bpp, color;
 281         RING_LOCALS;
 282
 283         switch (dev_priv->fb_bpp) {
 284         case 16:
 285                 fb_bpp = R128_GMC_DST_16BPP;
 286                 color = (((r & 0xf8) << 8) |
 287                          ((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
 288                 break;
 289         case 24:
 290                 fb_bpp = R128_GMC_DST_24BPP;
 291                 color = ((r << 16) | (g << 8) | b);
 292                 break;
 293         case 32:
 294                 fb_bpp = R128_GMC_DST_32BPP;
 295                 color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
 296                 break;
 297         default:
 298                 return;
 299         }
 300
 301         offset = dev_priv->back_offset;
 302         pitch = dev_priv->back_pitch >> 3;
 303
 304         BEGIN_RING(6);
 305
 306         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 307         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 308                  R128_GMC_BRUSH_SOLID_COLOR |
 309                  fb_bpp |
 310                  R128_GMC_SRC_DATATYPE_COLOR |
 311                  R128_ROP3_P |
 312                  R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS);
 313
 314         OUT_RING((pitch << 21) | (offset >> 5));
 315         OUT_RING(color);
 316
 317         OUT_RING((x << 16) | y);
 318         OUT_RING((w << 16) | h);
 319
 320         ADVANCE_RING();
 321 }
 322
 323 static void r128_cce_performance_boxes(drm_r128_private_t * dev_priv)
 324 {
 325         if (atomic_read(&dev_priv->idle_count) == 0) {
 326                 r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
 327         } else {
 328                 atomic_set(&dev_priv->idle_count, 0);
 329         }
 330 }
 331
 332 #endif
 333
 334 /* ================================================================
 335  * CCE command dispatch functions
 336  */
 337
 338 static void r128_print_dirty(const char *msg, unsigned int flags)
 339 {
 340         DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
 341                  msg,
 342                  flags,
 343                  (flags & R128_UPLOAD_CORE) ? "core, " : "",
 344                  (flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
 345                  (flags & R128_UPLOAD_SETUP) ? "setup, " : "",
 346                  (flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
 347                  (flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
 348                  (flags & R128_UPLOAD_MASKS) ? "masks, " : "",
 349                  (flags & R128_UPLOAD_WINDOW) ? "window, " : "",
 350                  (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
 351                  (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "");
 352 }
 353
 354 static void r128_cce_dispatch_clear(drm_device_t * dev,
 355                                     drm_r128_clear_t * clear)
 356 {
 357         drm_r128_private_t *dev_priv = dev->dev_private;
 358         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 359         int nbox = sarea_priv->nbox;
 360         drm_clip_rect_t *pbox = sarea_priv->boxes;
 361         unsigned int flags = clear->flags;
 362         int i;
 363         RING_LOCALS;
 364         DRM_DEBUG("%s\n", __FUNCTION__);
 365
 366         if (dev_priv->page_flipping && dev_priv->current_page == 1) {
 367                 unsigned int tmp = flags;
 368
 369                 flags &= ~(R128_FRONT | R128_BACK);
 370                 if (tmp & R128_FRONT)
 371                         flags |= R128_BACK;
 372                 if (tmp & R128_BACK)
 373                         flags |= R128_FRONT;
 374         }
 375
 376         for (i = 0; i < nbox; i++) {
 377                 int x = pbox[i].x1;
 378                 int y = pbox[i].y1;
 379                 int w = pbox[i].x2 - x;
 380                 int h = pbox[i].y2 - y;
 381
 382                 DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n",
 383                           pbox[i].x1, pbox[i].y1, pbox[i].x2,
 384                           pbox[i].y2, flags);
 385
 386                 if (flags & (R128_FRONT | R128_BACK)) {
 387                         BEGIN_RING(2);
 388
 389                         OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
 390                         OUT_RING(clear->color_mask);
 391
 392                         ADVANCE_RING();
 393                 }
 394
 395                 if (flags & R128_FRONT) {
 396                         BEGIN_RING(6);
 397
 398                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 399                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 400                                  R128_GMC_BRUSH_SOLID_COLOR |
 401                                  (dev_priv->color_fmt << 8) |
 402                                  R128_GMC_SRC_DATATYPE_COLOR |
 403                                  R128_ROP3_P |
 404                                  R128_GMC_CLR_CMP_CNTL_DIS |
 405                                  R128_GMC_AUX_CLIP_DIS);
 406
 407                         OUT_RING(dev_priv->front_pitch_offset_c);
 408                         OUT_RING(clear->clear_color);
 409
 410                         OUT_RING((x << 16) | y);
 411                         OUT_RING((w << 16) | h);
 412
 413                         ADVANCE_RING();
 414                 }
 415
 416                 if (flags & R128_BACK) {
 417                         BEGIN_RING(6);
 418
 419                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 420                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 421                                  R128_GMC_BRUSH_SOLID_COLOR |
 422                                  (dev_priv->color_fmt << 8) |
 423                                  R128_GMC_SRC_DATATYPE_COLOR |
 424                                  R128_ROP3_P |
 425                                  R128_GMC_CLR_CMP_CNTL_DIS |
 426                                  R128_GMC_AUX_CLIP_DIS);
 427
 428                         OUT_RING(dev_priv->back_pitch_offset_c);
 429                         OUT_RING(clear->clear_color);
 430
 431                         OUT_RING((x << 16) | y);
 432                         OUT_RING((w << 16) | h);
 433
 434                         ADVANCE_RING();
 435                 }
 436
 437                 if (flags & R128_DEPTH) {
 438                         BEGIN_RING(6);
 439
 440                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 441                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 442                                  R128_GMC_BRUSH_SOLID_COLOR |
 443                                  (dev_priv->depth_fmt << 8) |
 444                                  R128_GMC_SRC_DATATYPE_COLOR |
 445                                  R128_ROP3_P |
 446                                  R128_GMC_CLR_CMP_CNTL_DIS |
 447                                  R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
 448
 449                         OUT_RING(dev_priv->depth_pitch_offset_c);
 450                         OUT_RING(clear->clear_depth);
 451
 452                         OUT_RING((x << 16) | y);
 453                         OUT_RING((w << 16) | h);
 454
 455                         ADVANCE_RING();
 456                 }
 457         }
 458 }
 459
 460 static void r128_cce_dispatch_swap(drm_device_t * dev)
 461 {
 462         drm_r128_private_t *dev_priv = dev->dev_private;
 463         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 464         int nbox = sarea_priv->nbox;
 465         drm_clip_rect_t *pbox = sarea_priv->boxes;
 466         int i;
 467         RING_LOCALS;
 468         DRM_DEBUG("%s\n", __FUNCTION__);
 469
 470 #if R128_PERFORMANCE_BOXES
 471         /* Do some trivial performance monitoring...
 472          */
 473         r128_cce_performance_boxes(dev_priv);
 474 #endif
 475
 476         for (i = 0; i < nbox; i++) {
 477                 int x = pbox[i].x1;
 478                 int y = pbox[i].y1;
 479                 int w = pbox[i].x2 - x;
 480                 int h = pbox[i].y2 - y;
 481
 482                 BEGIN_RING(7);
 483
 484                 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
 485                 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
 486                          R128_GMC_DST_PITCH_OFFSET_CNTL |
 487                          R128_GMC_BRUSH_NONE |
 488                          (dev_priv->color_fmt << 8) |
 489                          R128_GMC_SRC_DATATYPE_COLOR |
 490                          R128_ROP3_S |
 491                          R128_DP_SRC_SOURCE_MEMORY |
 492                          R128_GMC_CLR_CMP_CNTL_DIS |
 493                          R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
 494
 495                 /* Make this work even if front & back are flipped:
 496                  */
 497                 if (dev_priv->current_page == 0) {
 498                         OUT_RING(dev_priv->back_pitch_offset_c);
 499                         OUT_RING(dev_priv->front_pitch_offset_c);
 500                 } else {
 501                         OUT_RING(dev_priv->front_pitch_offset_c);
 502                         OUT_RING(dev_priv->back_pitch_offset_c);
 503                 }
 504
 505                 OUT_RING((x << 16) | y);
 506                 OUT_RING((x << 16) | y);
 507                 OUT_RING((w << 16) | h);
 508
 509                 ADVANCE_RING();
 510         }
 511
 512         /* Increment the frame counter.  The client-side 3D driver must
 513          * throttle the framerate by waiting for this value before
 514          * performing the swapbuffer ioctl.
 515          */
 516         dev_priv->sarea_priv->last_frame++;
 517
 518         BEGIN_RING(2);
 519
 520         OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
 521         OUT_RING(dev_priv->sarea_priv->last_frame);
 522
 523         ADVANCE_RING();
 524 }
 525
 526 static void r128_cce_dispatch_flip(drm_device_t * dev)
 527 {
 528         drm_r128_private_t *dev_priv = dev->dev_private;
 529         RING_LOCALS;
 530         DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
 531                   __FUNCTION__,
 532                   dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage);
 533
 534 #if R128_PERFORMANCE_BOXES
 535         /* Do some trivial performance monitoring...
 536          */
 537         r128_cce_performance_boxes(dev_priv);
 538 #endif
 539
 540         BEGIN_RING(4);
 541
 542         R128_WAIT_UNTIL_PAGE_FLIPPED();
 543         OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0));
 544
 545         if (dev_priv->current_page == 0) {
 546                 OUT_RING(dev_priv->back_offset);
 547         } else {
 548                 OUT_RING(dev_priv->front_offset);
 549         }
 550
 551         ADVANCE_RING();
 552
 553         /* Increment the frame counter.  The client-side 3D driver must
 554          * throttle the framerate by waiting for this value before
 555          * performing the swapbuffer ioctl.
 556          */
 557         dev_priv->sarea_priv->last_frame++;
 558         dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
 559             1 - dev_priv->current_page;
 560
 561         BEGIN_RING(2);
 562
 563         OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
 564         OUT_RING(dev_priv->sarea_priv->last_frame);
 565
 566         ADVANCE_RING();
 567 }
 568
 569 static void r128_cce_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
 570 {
 571         drm_r128_private_t *dev_priv = dev->dev_private;
 572         drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 573         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 574         int format = sarea_priv->vc_format;
 575         int offset = buf->bus_address;
 576         int size = buf->used;
 577         int prim = buf_priv->prim;
 578         int i = 0;
 579         RING_LOCALS;
 580         DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox);
 581
 582         if (0)
 583                 r128_print_dirty("dispatch_vertex", sarea_priv->dirty);
 584
 585         if (buf->used) {
 586                 buf_priv->dispatched = 1;
 587
 588                 if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
 589                         r128_emit_state(dev_priv);
 590                 }
 591
 592                 do {
 593                         /* Emit the next set of up to three cliprects */
 594                         if (i < sarea_priv->nbox) {
 595                                 r128_emit_clip_rects(dev_priv,
 596                                                      &sarea_priv->boxes[i],
 597                                                      sarea_priv->nbox - i);
 598                         }
 599
 600                         /* Emit the vertex buffer rendering commands */
 601                         BEGIN_RING(5);
 602
 603                         OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3));
 604                         OUT_RING(offset);
 605                         OUT_RING(size);
 606                         OUT_RING(format);
 607                         OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
 608                                  (size << R128_CCE_VC_CNTL_NUM_SHIFT));
 609
 610                         ADVANCE_RING();
 611
 612                         i += 3;
 613                 } while (i < sarea_priv->nbox);
 614         }
 615
 616         if (buf_priv->discard) {
 617                 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 618
 619                 /* Emit the vertex buffer age */
 620                 BEGIN_RING(2);
 621
 622                 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 623                 OUT_RING(buf_priv->age);
 624
 625                 ADVANCE_RING();
 626
 627                 buf->pending = 1;
 628                 buf->used = 0;
 629                 /* FIXME: Check dispatched field */
 630                 buf_priv->dispatched = 0;
 631         }
 632
 633         dev_priv->sarea_priv->last_dispatch++;
 634
 635         sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
 636         sarea_priv->nbox = 0;
 637 }
 638
 639 static void r128_cce_dispatch_indirect(drm_device_t * dev,
 640                                        drm_buf_t * buf, int start, int end)
 641 {
 642         drm_r128_private_t *dev_priv = dev->dev_private;
 643         drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 644         RING_LOCALS;
 645         DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
 646
 647         if (start != end) {
 648                 int offset = buf->bus_address + start;
 649                 int dwords = (end - start + 3) / sizeof(u32);
 650
 651                 /* Indirect buffer data must be an even number of
 652                  * dwords, so if we've been given an odd number we must
 653                  * pad the data with a Type-2 CCE packet.
 654                  */
 655                 if (dwords & 1) {
 656                         u32 *data = (u32 *)
 657                             ((char *)dev->agp_buffer_map->handle
 658                              + buf->offset + start);
 659                         data[dwords++] = cpu_to_le32(R128_CCE_PACKET2);
 660                 }
 661
 662                 buf_priv->dispatched = 1;
 663
 664                 /* Fire off the indirect buffer */
 665                 BEGIN_RING(3);
 666
 667                 OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1));
 668                 OUT_RING(offset);
 669                 OUT_RING(dwords);
 670
 671                 ADVANCE_RING();
 672         }
 673
 674         if (buf_priv->discard) {
 675                 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 676
 677                 /* Emit the indirect buffer age */
 678                 BEGIN_RING(2);
 679
 680                 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 681                 OUT_RING(buf_priv->age);
 682
 683                 ADVANCE_RING();
 684
 685                 buf->pending = 1;
 686                 buf->used = 0;
 687                 /* FIXME: Check dispatched field */
 688                 buf_priv->dispatched = 0;
 689         }
 690
 691         dev_priv->sarea_priv->last_dispatch++;
 692 }
 693
 694 static void r128_cce_dispatch_indices(drm_device_t * dev,
 695                                       drm_buf_t * buf,
 696                                       int start, int end, int count)
 697 {
 698         drm_r128_private_t *dev_priv = dev->dev_private;
 699         drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 700         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 701         int format = sarea_priv->vc_format;
 702         int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset;
 703         int prim = buf_priv->prim;
 704         u32 *data;
 705         int dwords;
 706         int i = 0;
 707         RING_LOCALS;
 708         DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count);
 709
 710         if (0)
 711                 r128_print_dirty("dispatch_indices", sarea_priv->dirty);
 712
 713         if (start != end) {
 714                 buf_priv->dispatched = 1;
 715
 716                 if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS) {
 717                         r128_emit_state(dev_priv);
 718                 }
 719
 720                 dwords = (end - start + 3) / sizeof(u32);
 721
 722                 data = (u32 *) ((char *)dev->agp_buffer_map->handle
 723                                 + buf->offset + start);
 724
 725                 data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM,
 726                                                   dwords - 2));
 727
 728                 data[1] = cpu_to_le32(offset);
 729                 data[2] = cpu_to_le32(R128_MAX_VB_VERTS);
 730                 data[3] = cpu_to_le32(format);
 731                 data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
 732                                        (count << 16)));
 733
 734                 if (count & 0x1) {
 735 #ifdef __LITTLE_ENDIAN
 736                         data[dwords - 1] &= 0x0000ffff;
 737 #else
 738                         data[dwords - 1] &= 0xffff0000;
 739 #endif
 740                 }
 741
 742                 do {
 743                         /* Emit the next set of up to three cliprects */
 744                         if (i < sarea_priv->nbox) {
 745                                 r128_emit_clip_rects(dev_priv,
 746                                                      &sarea_priv->boxes[i],
 747                                                      sarea_priv->nbox - i);
 748                         }
 749
 750                         r128_cce_dispatch_indirect(dev, buf, start, end);
 751
 752                         i += 3;
 753                 } while (i < sarea_priv->nbox);
 754         }
 755
 756         if (buf_priv->discard) {
 757                 buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 758
 759                 /* Emit the vertex buffer age */
 760                 BEGIN_RING(2);
 761
 762                 OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 763                 OUT_RING(buf_priv->age);
 764
 765                 ADVANCE_RING();
 766
 767                 buf->pending = 1;
 768                 /* FIXME: Check dispatched field */
 769                 buf_priv->dispatched = 0;
 770         }
 771
 772         dev_priv->sarea_priv->last_dispatch++;
 773
 774         sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
 775         sarea_priv->nbox = 0;
 776 }
 777
 778 static int r128_cce_dispatch_blit(DRMFILE filp,
 779                                   drm_device_t * dev, drm_r128_blit_t * blit)
 780 {
 781         drm_r128_private_t *dev_priv = dev->dev_private;
 782         drm_device_dma_t *dma = dev->dma;
 783         drm_buf_t *buf;
 784         drm_r128_buf_priv_t *buf_priv;
 785         u32 *data;
 786         int dword_shift, dwords;
 787         RING_LOCALS;
 788         DRM_DEBUG("\n");
 789
 790         /* The compiler won't optimize away a division by a variable,
 791          * even if the only legal values are powers of two.  Thus, we'll
 792          * use a shift instead.
 793          */
 794         switch (blit->format) {
 795         case R128_DATATYPE_ARGB8888:
 796                 dword_shift = 0;
 797                 break;
 798         case R128_DATATYPE_ARGB1555:
 799         case R128_DATATYPE_RGB565:
 800         case R128_DATATYPE_ARGB4444:
 801         case R128_DATATYPE_YVYU422:
 802         case R128_DATATYPE_VYUY422:
 803                 dword_shift = 1;
 804                 break;
 805         case R128_DATATYPE_CI8:
 806         case R128_DATATYPE_RGB8:
 807                 dword_shift = 2;
 808                 break;
 809         default:
 810                 DRM_ERROR("invalid blit format %d\n", blit->format);
 811                 return DRM_ERR(EINVAL);
 812         }
 813
 814         /* Flush the pixel cache, and mark the contents as Read Invalid.
 815          * This ensures no pixel data gets mixed up with the texture
 816          * data from the host data blit, otherwise part of the texture
 817          * image may be corrupted.
 818          */
 819         BEGIN_RING(2);
 820
 821         OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
 822         OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI);
 823
 824         ADVANCE_RING();
 825
 826         /* Dispatch the indirect buffer.
 827          */
 828         buf = dma->buflist[blit->idx];
 829         buf_priv = buf->dev_private;
 830
 831         if (buf->filp != filp) {
 832                 DRM_ERROR("process %d using buffer owned by %p\n",
 833                           DRM_CURRENTPID, buf->filp);
 834                 return DRM_ERR(EINVAL);
 835         }
 836         if (buf->pending) {
 837                 DRM_ERROR("sending pending buffer %d\n", blit->idx);
 838                 return DRM_ERR(EINVAL);
 839         }
 840
 841         buf_priv->discard = 1;
 842
 843         dwords = (blit->width * blit->height) >> dword_shift;
 844
 845         data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
 846
 847         data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6));
 848         data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL |
 849                                R128_GMC_BRUSH_NONE |
 850                                (blit->format << 8) |
 851                                R128_GMC_SRC_DATATYPE_COLOR |
 852                                R128_ROP3_S |
 853                                R128_DP_SRC_SOURCE_HOST_DATA |
 854                                R128_GMC_CLR_CMP_CNTL_DIS |
 855                                R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS));
 856
 857         data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5));
 858         data[3] = cpu_to_le32(0xffffffff);
 859         data[4] = cpu_to_le32(0xffffffff);
 860         data[5] = cpu_to_le32((blit->y << 16) | blit->x);
 861         data[6] = cpu_to_le32((blit->height << 16) | blit->width);
 862         data[7] = cpu_to_le32(dwords);
 863
 864         buf->used = (dwords + 8) * sizeof(u32);
 865
 866         r128_cce_dispatch_indirect(dev, buf, 0, buf->used);
 867
 868         /* Flush the pixel cache after the blit completes.  This ensures
 869          * the texture data is written out to memory before rendering
 870          * continues.
 871          */
 872         BEGIN_RING(2);
 873
 874         OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
 875         OUT_RING(R128_PC_FLUSH_GUI);
 876
 877         ADVANCE_RING();
 878
 879         return 0;
 880 }
 881
 882 /* ================================================================
 883  * Tiled depth buffer management
 884  *
 885  * FIXME: These should all set the destination write mask for when we
 886  * have hardware stencil support.
 887  */
 888
 889 static int r128_cce_dispatch_write_span(drm_device_t * dev,
 890                                         drm_r128_depth_t * depth)
 891 {
 892         drm_r128_private_t *dev_priv = dev->dev_private;
 893         int count, x, y;
 894         u32 *buffer;
 895         u8 *mask;
 896         int i, buffer_size, mask_size;
 897         RING_LOCALS;
 898         DRM_DEBUG("\n");
 899
 900         count = depth->n;
 901         if (count > 4096 || count <= 0)
 902                 return DRM_ERR(EMSGSIZE);
 903
 904         if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
 905                 return DRM_ERR(EFAULT);
 906         }
 907         if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
 908                 return DRM_ERR(EFAULT);
 909         }
 910
 911         buffer_size = depth->n * sizeof(u32);
 912         buffer = drm_alloc(buffer_size, DRM_MEM_BUFS);
 913         if (buffer == NULL)
 914                 return DRM_ERR(ENOMEM);
 915         if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
 916                 drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 917                 return DRM_ERR(EFAULT);
 918         }
 919
 920         mask_size = depth->n * sizeof(u8);
 921         if (depth->mask) {
 922                 mask = drm_alloc(mask_size, DRM_MEM_BUFS);
 923                 if (mask == NULL) {
 924                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 925                         return DRM_ERR(ENOMEM);
 926                 }
 927                 if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
 928                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 929                         drm_free(mask, mask_size, DRM_MEM_BUFS);
 930                         return DRM_ERR(EFAULT);
 931                 }
 932
 933                 for (i = 0; i < count; i++, x++) {
 934                         if (mask[i]) {
 935                                 BEGIN_RING(6);
 936
 937                                 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 938                                 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 939                                          R128_GMC_BRUSH_SOLID_COLOR |
 940                                          (dev_priv->depth_fmt << 8) |
 941                                          R128_GMC_SRC_DATATYPE_COLOR |
 942                                          R128_ROP3_P |
 943                                          R128_GMC_CLR_CMP_CNTL_DIS |
 944                                          R128_GMC_WR_MSK_DIS);
 945
 946                                 OUT_RING(dev_priv->depth_pitch_offset_c);
 947                                 OUT_RING(buffer[i]);
 948
 949                                 OUT_RING((x << 16) | y);
 950                                 OUT_RING((1 << 16) | 1);
 951
 952                                 ADVANCE_RING();
 953                         }
 954                 }
 955
 956                 drm_free(mask, mask_size, DRM_MEM_BUFS);
 957         } else {
 958                 for (i = 0; i < count; i++, x++) {
 959                         BEGIN_RING(6);
 960
 961                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 962                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 963                                  R128_GMC_BRUSH_SOLID_COLOR |
 964                                  (dev_priv->depth_fmt << 8) |
 965                                  R128_GMC_SRC_DATATYPE_COLOR |
 966                                  R128_ROP3_P |
 967                                  R128_GMC_CLR_CMP_CNTL_DIS |
 968                                  R128_GMC_WR_MSK_DIS);
 969
 970                         OUT_RING(dev_priv->depth_pitch_offset_c);
 971                         OUT_RING(buffer[i]);
 972
 973                         OUT_RING((x << 16) | y);
 974                         OUT_RING((1 << 16) | 1);
 975
 976                         ADVANCE_RING();
 977                 }
 978         }
 979
 980         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
 981
 982         return 0;
 983 }
 984
 985 static int r128_cce_dispatch_write_pixels(drm_device_t * dev,
 986                                           drm_r128_depth_t * depth)
 987 {
 988         drm_r128_private_t *dev_priv = dev->dev_private;
 989         int count, *x, *y;
 990         u32 *buffer;
 991         u8 *mask;
 992         int i, xbuf_size, ybuf_size, buffer_size, mask_size;
 993         RING_LOCALS;
 994         DRM_DEBUG("\n");
 995
 996         count = depth->n;
 997         if (count > 4096 || count <= 0)
 998                 return DRM_ERR(EMSGSIZE);
 999
1000         xbuf_size = count * sizeof(*x);
1001         ybuf_size = count * sizeof(*y);
1002         x = drm_alloc(xbuf_size, DRM_MEM_BUFS);
1003         if (x == NULL) {
1004                 return DRM_ERR(ENOMEM);
1005         }
1006         y = drm_alloc(ybuf_size, DRM_MEM_BUFS);
1007         if (y == NULL) {
1008                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1009                 return DRM_ERR(ENOMEM);
1010         }
1011         if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
1012                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1013                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1014                 return DRM_ERR(EFAULT);
1015         }
1016         if (DRM_COPY_FROM_USER(y, depth->y, xbuf_size)) {
1017                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1018                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1019                 return DRM_ERR(EFAULT);
1020         }
1021
1022         buffer_size = depth->n * sizeof(u32);
1023         buffer = drm_alloc(buffer_size, DRM_MEM_BUFS);
1024         if (buffer == NULL) {
1025                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1026                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1027                 return DRM_ERR(ENOMEM);
1028         }
1029         if (DRM_COPY_FROM_USER(buffer, depth->buffer, buffer_size)) {
1030                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1031                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1032                 drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1033                 return DRM_ERR(EFAULT);
1034         }
1035
1036         if (depth->mask) {
1037                 mask_size = depth->n * sizeof(u8);
1038                 mask = drm_alloc(mask_size, DRM_MEM_BUFS);
1039                 if (mask == NULL) {
1040                         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1041                         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1042                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1043                         return DRM_ERR(ENOMEM);
1044                 }
1045                 if (DRM_COPY_FROM_USER(mask, depth->mask, mask_size)) {
1046                         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1047                         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1048                         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1049                         drm_free(mask, mask_size, DRM_MEM_BUFS);
1050                         return DRM_ERR(EFAULT);
1051                 }
1052
1053                 for (i = 0; i < count; i++) {
1054                         if (mask[i]) {
1055                                 BEGIN_RING(6);
1056
1057                                 OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1058                                 OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1059                                          R128_GMC_BRUSH_SOLID_COLOR |
1060                                          (dev_priv->depth_fmt << 8) |
1061                                          R128_GMC_SRC_DATATYPE_COLOR |
1062                                          R128_ROP3_P |
1063                                          R128_GMC_CLR_CMP_CNTL_DIS |
1064                                          R128_GMC_WR_MSK_DIS);
1065
1066                                 OUT_RING(dev_priv->depth_pitch_offset_c);
1067                                 OUT_RING(buffer[i]);
1068
1069                                 OUT_RING((x[i] << 16) | y[i]);
1070                                 OUT_RING((1 << 16) | 1);
1071
1072                                 ADVANCE_RING();
1073                         }
1074                 }
1075
1076                 drm_free(mask, mask_size, DRM_MEM_BUFS);
1077         } else {
1078                 for (i = 0; i < count; i++) {
1079                         BEGIN_RING(6);
1080
1081                         OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1082                         OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1083                                  R128_GMC_BRUSH_SOLID_COLOR |
1084                                  (dev_priv->depth_fmt << 8) |
1085                                  R128_GMC_SRC_DATATYPE_COLOR |
1086                                  R128_ROP3_P |
1087                                  R128_GMC_CLR_CMP_CNTL_DIS |
1088                                  R128_GMC_WR_MSK_DIS);
1089
1090                         OUT_RING(dev_priv->depth_pitch_offset_c);
1091                         OUT_RING(buffer[i]);
1092
1093                         OUT_RING((x[i] << 16) | y[i]);
1094                         OUT_RING((1 << 16) | 1);
1095
1096                         ADVANCE_RING();
1097                 }
1098         }
1099
1100         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1101         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1102         drm_free(buffer, buffer_size, DRM_MEM_BUFS);
1103
1104         return 0;
1105 }
1106
1107 static int r128_cce_dispatch_read_span(drm_device_t * dev,
1108                                        drm_r128_depth_t * depth)
1109 {
1110         drm_r128_private_t *dev_priv = dev->dev_private;
1111         int count, x, y;
1112         RING_LOCALS;
1113         DRM_DEBUG("\n");
1114
1115         count = depth->n;
1116         if (count > 4096 || count <= 0)
1117                 return DRM_ERR(EMSGSIZE);
1118
1119         if (DRM_COPY_FROM_USER(&x, depth->x, sizeof(x))) {
1120                 return DRM_ERR(EFAULT);
1121         }
1122         if (DRM_COPY_FROM_USER(&y, depth->y, sizeof(y))) {
1123                 return DRM_ERR(EFAULT);
1124         }
1125
1126         BEGIN_RING(7);
1127
1128         OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1129         OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1130                  R128_GMC_DST_PITCH_OFFSET_CNTL |
1131                  R128_GMC_BRUSH_NONE |
1132                  (dev_priv->depth_fmt << 8) |
1133                  R128_GMC_SRC_DATATYPE_COLOR |
1134                  R128_ROP3_S |
1135                  R128_DP_SRC_SOURCE_MEMORY |
1136                  R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1137
1138         OUT_RING(dev_priv->depth_pitch_offset_c);
1139         OUT_RING(dev_priv->span_pitch_offset_c);
1140
1141         OUT_RING((x << 16) | y);
1142         OUT_RING((0 << 16) | 0);
1143         OUT_RING((count << 16) | 1);
1144
1145         ADVANCE_RING();
1146
1147         return 0;
1148 }
1149
1150 static int r128_cce_dispatch_read_pixels(drm_device_t * dev,
1151                                          drm_r128_depth_t * depth)
1152 {
1153         drm_r128_private_t *dev_priv = dev->dev_private;
1154         int count, *x, *y;
1155         int i, xbuf_size, ybuf_size;
1156         RING_LOCALS;
1157         DRM_DEBUG("%s\n", __FUNCTION__);
1158
1159         count = depth->n;
1160         if (count > 4096 || count <= 0)
1161                 return DRM_ERR(EMSGSIZE);
1162
1163         if (count > dev_priv->depth_pitch) {
1164                 count = dev_priv->depth_pitch;
1165         }
1166
1167         xbuf_size = count * sizeof(*x);
1168         ybuf_size = count * sizeof(*y);
1169         x = drm_alloc(xbuf_size, DRM_MEM_BUFS);
1170         if (x == NULL) {
1171                 return DRM_ERR(ENOMEM);
1172         }
1173         y = drm_alloc(ybuf_size, DRM_MEM_BUFS);
1174         if (y == NULL) {
1175                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1176                 return DRM_ERR(ENOMEM);
1177         }
1178         if (DRM_COPY_FROM_USER(x, depth->x, xbuf_size)) {
1179                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1180                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1181                 return DRM_ERR(EFAULT);
1182         }
1183         if (DRM_COPY_FROM_USER(y, depth->y, ybuf_size)) {
1184                 drm_free(x, xbuf_size, DRM_MEM_BUFS);
1185                 drm_free(y, ybuf_size, DRM_MEM_BUFS);
1186                 return DRM_ERR(EFAULT);
1187         }
1188
1189         for (i = 0; i < count; i++) {
1190                 BEGIN_RING(7);
1191
1192                 OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1193                 OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1194                          R128_GMC_DST_PITCH_OFFSET_CNTL |
1195                          R128_GMC_BRUSH_NONE |
1196                          (dev_priv->depth_fmt << 8) |
1197                          R128_GMC_SRC_DATATYPE_COLOR |
1198                          R128_ROP3_S |
1199                          R128_DP_SRC_SOURCE_MEMORY |
1200                          R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1201
1202                 OUT_RING(dev_priv->depth_pitch_offset_c);
1203                 OUT_RING(dev_priv->span_pitch_offset_c);
1204
1205                 OUT_RING((x[i] << 16) | y[i]);
1206                 OUT_RING((i << 16) | 0);
1207                 OUT_RING((1 << 16) | 1);
1208
1209                 ADVANCE_RING();
1210         }
1211
1212         drm_free(x, xbuf_size, DRM_MEM_BUFS);
1213         drm_free(y, ybuf_size, DRM_MEM_BUFS);
1214
1215         return 0;
1216 }
1217
1218 /* ================================================================
1219  * Polygon stipple
1220  */
1221
1222 static void r128_cce_dispatch_stipple(drm_device_t * dev, u32 * stipple)
1223 {
1224         drm_r128_private_t *dev_priv = dev->dev_private;
1225         int i;
1226         RING_LOCALS;
1227         DRM_DEBUG("%s\n", __FUNCTION__);
1228
1229         BEGIN_RING(33);
1230
1231         OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31));
1232         for (i = 0; i < 32; i++) {
1233                 OUT_RING(stipple[i]);
1234         }
1235
1236         ADVANCE_RING();
1237 }
1238
1239 /* ================================================================
1240  * IOCTL functions
1241  */
1242
1243 static int r128_cce_clear(DRM_IOCTL_ARGS)
1244 {
1245         DRM_DEVICE;
1246         drm_r128_private_t *dev_priv = dev->dev_private;
1247         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
1248         drm_r128_clear_t clear;
1249         DRM_DEBUG("\n");
1250
1251         LOCK_TEST_WITH_RETURN(dev, filp);
1252
1253         DRM_COPY_FROM_USER_IOCTL(clear, (drm_r128_clear_t __user *) data,
1254                                  sizeof(clear));
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(drm_device_t * 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(drm_device_t * 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(DRM_IOCTL_ARGS)
1312 {
1313         DRM_DEVICE;
1314         drm_r128_private_t *dev_priv = dev->dev_private;
1315         DRM_DEBUG("%s\n", __FUNCTION__);
1316
1317         LOCK_TEST_WITH_RETURN(dev, filp);
1318
1319         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1320
1321         if (!dev_priv->page_flipping)
1322                 r128_do_init_pageflip(dev);
1323
1324         r128_cce_dispatch_flip(dev);
1325
1326         COMMIT_RING();
1327         return 0;
1328 }
1329
1330 static int r128_cce_swap(DRM_IOCTL_ARGS)
1331 {
1332         DRM_DEVICE;
1333         drm_r128_private_t *dev_priv = dev->dev_private;
1334         drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
1335         DRM_DEBUG("%s\n", __FUNCTION__);
1336
1337         LOCK_TEST_WITH_RETURN(dev, filp);
1338
1339         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1340
1341         if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1342                 sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1343
1344         r128_cce_dispatch_swap(dev);
1345         dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
1346                                         R128_UPLOAD_MASKS);
1347
1348         COMMIT_RING();
1349         return 0;
1350 }
1351
1352 static int r128_cce_vertex(DRM_IOCTL_ARGS)
1353 {
1354         DRM_DEVICE;
1355         drm_r128_private_t *dev_priv = dev->dev_private;
1356         drm_device_dma_t *dma = dev->dma;
1357         drm_buf_t *buf;
1358         drm_r128_buf_priv_t *buf_priv;
1359         drm_r128_vertex_t vertex;
1360
1361         LOCK_TEST_WITH_RETURN(dev, filp);
1362
1363         if (!dev_priv) {
1364                 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1365                 return DRM_ERR(EINVAL);
1366         }
1367
1368         DRM_COPY_FROM_USER_IOCTL(vertex, (drm_r128_vertex_t __user *) data,
1369                                  sizeof(vertex));
1370
1371         DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
1372                   DRM_CURRENTPID, vertex.idx, vertex.count, vertex.discard);
1373
1374         if (vertex.idx < 0 || vertex.idx >= dma->buf_count) {
1375                 DRM_ERROR("buffer index %d (of %d max)\n",
1376                           vertex.idx, dma->buf_count - 1);
1377                 return DRM_ERR(EINVAL);
1378         }
1379         if (vertex.prim < 0 ||
1380             vertex.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1381                 DRM_ERROR("buffer prim %d\n", vertex.prim);
1382                 return DRM_ERR(EINVAL);
1383         }
1384
1385         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1386         VB_AGE_TEST_WITH_RETURN(dev_priv);
1387
1388         buf = dma->buflist[vertex.idx];
1389         buf_priv = buf->dev_private;
1390
1391         if (buf->filp != filp) {
1392                 DRM_ERROR("process %d using buffer owned by %p\n",
1393                           DRM_CURRENTPID, buf->filp);
1394                 return DRM_ERR(EINVAL);
1395         }
1396         if (buf->pending) {
1397                 DRM_ERROR("sending pending buffer %d\n", vertex.idx);
1398                 return DRM_ERR(EINVAL);
1399         }
1400
1401         buf->used = vertex.count;
1402         buf_priv->prim = vertex.prim;
1403         buf_priv->discard = vertex.discard;
1404
1405         r128_cce_dispatch_vertex(dev, buf);
1406
1407         COMMIT_RING();
1408         return 0;
1409 }
1410
1411 static int r128_cce_indices(DRM_IOCTL_ARGS)
1412 {
1413         DRM_DEVICE;
1414         drm_r128_private_t *dev_priv = dev->dev_private;
1415         drm_device_dma_t *dma = dev->dma;
1416         drm_buf_t *buf;
1417         drm_r128_buf_priv_t *buf_priv;
1418         drm_r128_indices_t elts;
1419         int count;
1420
1421         LOCK_TEST_WITH_RETURN(dev, filp);
1422
1423         if (!dev_priv) {
1424                 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1425                 return DRM_ERR(EINVAL);
1426         }
1427
1428         DRM_COPY_FROM_USER_IOCTL(elts, (drm_r128_indices_t __user *) data,
1429                                  sizeof(elts));
1430
1431         DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID,
1432                   elts.idx, elts.start, elts.end, elts.discard);
1433
1434         if (elts.idx < 0 || elts.idx >= dma->buf_count) {
1435                 DRM_ERROR("buffer index %d (of %d max)\n",
1436                           elts.idx, dma->buf_count - 1);
1437                 return DRM_ERR(EINVAL);
1438         }
1439         if (elts.prim < 0 || elts.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1440                 DRM_ERROR("buffer prim %d\n", elts.prim);
1441                 return DRM_ERR(EINVAL);
1442         }
1443
1444         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1445         VB_AGE_TEST_WITH_RETURN(dev_priv);
1446
1447         buf = dma->buflist[elts.idx];
1448         buf_priv = buf->dev_private;
1449
1450         if (buf->filp != filp) {
1451                 DRM_ERROR("process %d using buffer owned by %p\n",
1452                           DRM_CURRENTPID, buf->filp);
1453                 return DRM_ERR(EINVAL);
1454         }
1455         if (buf->pending) {
1456                 DRM_ERROR("sending pending buffer %d\n", elts.idx);
1457                 return DRM_ERR(EINVAL);
1458         }
1459
1460         count = (elts.end - elts.start) / sizeof(u16);
1461         elts.start -= R128_INDEX_PRIM_OFFSET;
1462
1463         if (elts.start & 0x7) {
1464                 DRM_ERROR("misaligned buffer 0x%x\n", elts.start);
1465                 return DRM_ERR(EINVAL);
1466         }
1467         if (elts.start < buf->used) {
1468                 DRM_ERROR("no header 0x%x - 0x%x\n", elts.start, buf->used);
1469                 return DRM_ERR(EINVAL);
1470         }
1471
1472         buf->used = elts.end;
1473         buf_priv->prim = elts.prim;
1474         buf_priv->discard = elts.discard;
1475
1476         r128_cce_dispatch_indices(dev, buf, elts.start, elts.end, count);
1477
1478         COMMIT_RING();
1479         return 0;
1480 }
1481
1482 static int r128_cce_blit(DRM_IOCTL_ARGS)
1483 {
1484         DRM_DEVICE;
1485         drm_device_dma_t *dma = dev->dma;
1486         drm_r128_private_t *dev_priv = dev->dev_private;
1487         drm_r128_blit_t blit;
1488         int ret;
1489
1490         LOCK_TEST_WITH_RETURN(dev, filp);
1491
1492         DRM_COPY_FROM_USER_IOCTL(blit, (drm_r128_blit_t __user *) data,
1493                                  sizeof(blit));
1494
1495         DRM_DEBUG("pid=%d index=%d\n", DRM_CURRENTPID, blit.idx);
1496
1497         if (blit.idx < 0 || blit.idx >= dma->buf_count) {
1498                 DRM_ERROR("buffer index %d (of %d max)\n",
1499                           blit.idx, dma->buf_count - 1);
1500                 return DRM_ERR(EINVAL);
1501         }
1502
1503         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1504         VB_AGE_TEST_WITH_RETURN(dev_priv);
1505
1506         ret = r128_cce_dispatch_blit(filp, dev, &blit);
1507
1508         COMMIT_RING();
1509         return ret;
1510 }
1511
1512 static int r128_cce_depth(DRM_IOCTL_ARGS)
1513 {
1514         DRM_DEVICE;
1515         drm_r128_private_t *dev_priv = dev->dev_private;
1516         drm_r128_depth_t depth;
1517         int ret;
1518
1519         LOCK_TEST_WITH_RETURN(dev, filp);
1520
1521         DRM_COPY_FROM_USER_IOCTL(depth, (drm_r128_depth_t __user *) data,
1522                                  sizeof(depth));
1523
1524         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1525
1526         ret = DRM_ERR(EINVAL);
1527         switch (depth.func) {
1528         case R128_WRITE_SPAN:
1529                 ret = r128_cce_dispatch_write_span(dev, &depth);
1530                 break;
1531         case R128_WRITE_PIXELS:
1532                 ret = r128_cce_dispatch_write_pixels(dev, &depth);
1533                 break;
1534         case R128_READ_SPAN:
1535                 ret = r128_cce_dispatch_read_span(dev, &depth);
1536                 break;
1537         case R128_READ_PIXELS:
1538                 ret = r128_cce_dispatch_read_pixels(dev, &depth);
1539                 break;
1540         }
1541
1542         COMMIT_RING();
1543         return ret;
1544 }
1545
1546 static int r128_cce_stipple(DRM_IOCTL_ARGS)
1547 {
1548         DRM_DEVICE;
1549         drm_r128_private_t *dev_priv = dev->dev_private;
1550         drm_r128_stipple_t stipple;
1551         u32 mask[32];
1552
1553         LOCK_TEST_WITH_RETURN(dev, filp);
1554
1555         DRM_COPY_FROM_USER_IOCTL(stipple, (drm_r128_stipple_t __user *) data,
1556                                  sizeof(stipple));
1557
1558         if (DRM_COPY_FROM_USER(&mask, stipple.mask, 32 * sizeof(u32)))
1559                 return DRM_ERR(EFAULT);
1560
1561         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1562
1563         r128_cce_dispatch_stipple(dev, mask);
1564
1565         COMMIT_RING();
1566         return 0;
1567 }
1568
1569 static int r128_cce_indirect(DRM_IOCTL_ARGS)
1570 {
1571         DRM_DEVICE;
1572         drm_r128_private_t *dev_priv = dev->dev_private;
1573         drm_device_dma_t *dma = dev->dma;
1574         drm_buf_t *buf;
1575         drm_r128_buf_priv_t *buf_priv;
1576         drm_r128_indirect_t indirect;
1577 #if 0
1578         RING_LOCALS;
1579 #endif
1580
1581         LOCK_TEST_WITH_RETURN(dev, filp);
1582
1583         if (!dev_priv) {
1584                 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1585                 return DRM_ERR(EINVAL);
1586         }
1587
1588         DRM_COPY_FROM_USER_IOCTL(indirect, (drm_r128_indirect_t __user *) data,
1589                                  sizeof(indirect));
1590
1591         DRM_DEBUG("indirect: idx=%d s=%d e=%d d=%d\n",
1592                   indirect.idx, indirect.start, indirect.end, indirect.discard);
1593
1594         if (indirect.idx < 0 || indirect.idx >= dma->buf_count) {
1595                 DRM_ERROR("buffer index %d (of %d max)\n",
1596                           indirect.idx, dma->buf_count - 1);
1597                 return DRM_ERR(EINVAL);
1598         }
1599
1600         buf = dma->buflist[indirect.idx];
1601         buf_priv = buf->dev_private;
1602
1603         if (buf->filp != filp) {
1604                 DRM_ERROR("process %d using buffer owned by %p\n",
1605                           DRM_CURRENTPID, buf->filp);
1606                 return DRM_ERR(EINVAL);
1607         }
1608         if (buf->pending) {
1609                 DRM_ERROR("sending pending buffer %d\n", indirect.idx);
1610                 return DRM_ERR(EINVAL);
1611         }
1612
1613         if (indirect.start < buf->used) {
1614                 DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
1615                           indirect.start, buf->used);
1616                 return DRM_ERR(EINVAL);
1617         }
1618
1619         RING_SPACE_TEST_WITH_RETURN(dev_priv);
1620         VB_AGE_TEST_WITH_RETURN(dev_priv);
1621
1622         buf->used = indirect.end;
1623         buf_priv->discard = indirect.discard;
1624
1625 #if 0
1626         /* Wait for the 3D stream to idle before the indirect buffer
1627          * containing 2D acceleration commands is processed.
1628          */
1629         BEGIN_RING(2);
1630         RADEON_WAIT_UNTIL_3D_IDLE();
1631         ADVANCE_RING();
1632 #endif
1633
1634         /* Dispatch the indirect buffer full of commands from the
1635          * X server.  This is insecure and is thus only available to
1636          * privileged clients.
1637          */
1638         r128_cce_dispatch_indirect(dev, buf, indirect.start, indirect.end);
1639
1640         COMMIT_RING();
1641         return 0;
1642 }
1643
1644 static int r128_getparam(DRM_IOCTL_ARGS)
1645 {
1646         DRM_DEVICE;
1647         drm_r128_private_t *dev_priv = dev->dev_private;
1648         drm_r128_getparam_t param;
1649         int value;
1650
1651         if (!dev_priv) {
1652                 DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
1653                 return DRM_ERR(EINVAL);
1654         }
1655
1656         DRM_COPY_FROM_USER_IOCTL(param, (drm_r128_getparam_t __user *) data,
1657                                  sizeof(param));
1658
1659         DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1660
1661         switch (param.param) {
1662         case R128_PARAM_IRQ_NR:
1663                 value = dev->irq;
1664                 break;
1665         default:
1666                 return DRM_ERR(EINVAL);
1667         }
1668
1669         if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) {
1670                 DRM_ERROR("copy_to_user\n");
1671                 return DRM_ERR(EFAULT);
1672         }
1673
1674         return 0;
1675 }
1676
1677 void r128_driver_prerelease(drm_device_t * dev, DRMFILE filp)
1678 {
1679         if (dev->dev_private) {
1680                 drm_r128_private_t *dev_priv = dev->dev_private;
1681                 if (dev_priv->page_flipping) {
1682                         r128_do_cleanup_pageflip(dev);
1683                 }
1684         }
1685 }
1686
1687 void r128_driver_pretakedown(drm_device_t * dev)
1688 {
1689         r128_do_cleanup_cce(dev);
1690 }
1691
1692 drm_ioctl_desc_t r128_ioctls[] = {
1693         [DRM_IOCTL_NR(DRM_R128_INIT)] = {r128_cce_init, 1, 1},
1694         [DRM_IOCTL_NR(DRM_R128_CCE_START)] = {r128_cce_start, 1, 1},
1695         [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = {r128_cce_stop, 1, 1},
1696         [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = {r128_cce_reset, 1, 1},
1697         [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = {r128_cce_idle, 1, 0},
1698         [DRM_IOCTL_NR(DRM_R128_RESET)] = {r128_engine_reset, 1, 0},
1699         [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = {r128_fullscreen, 1, 0},
1700         [DRM_IOCTL_NR(DRM_R128_SWAP)] = {r128_cce_swap, 1, 0},
1701         [DRM_IOCTL_NR(DRM_R128_FLIP)] = {r128_cce_flip, 1, 0},
1702         [DRM_IOCTL_NR(DRM_R128_CLEAR)] = {r128_cce_clear, 1, 0},
1703         [DRM_IOCTL_NR(DRM_R128_VERTEX)] = {r128_cce_vertex, 1, 0},
1704         [DRM_IOCTL_NR(DRM_R128_INDICES)] = {r128_cce_indices, 1, 0},
1705         [DRM_IOCTL_NR(DRM_R128_BLIT)] = {r128_cce_blit, 1, 0},
1706         [DRM_IOCTL_NR(DRM_R128_DEPTH)] = {r128_cce_depth, 1, 0},
1707         [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = {r128_cce_stipple, 1, 0},
1708         [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = {r128_cce_indirect, 1, 1},
1709         [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = {r128_getparam, 1, 0},
1710 };
1711
1712 int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls);