linux/drivers/gpu/drm/r128/r128_state.c
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   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 <drm/drmP.h>
  32#include <drm/r128_drm.h>
  33#include "r128_drv.h"
  34
  35/* ================================================================
  36 * CCE hardware state programming functions
  37 */
  38
  39static void r128_emit_clip_rects(drm_r128_private_t *dev_priv,
  40                                 struct drm_clip_rect *boxes, int count)
  41{
  42        u32 aux_sc_cntl = 0x00000000;
  43        RING_LOCALS;
  44        DRM_DEBUG("\n");
  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
  82static __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("\n");
  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
  97static __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("\n");
 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
 123static __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("\n");
 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
 139static __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("\n");
 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
 158static __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("\n");
 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
 173static __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("\n");
 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        OUT_RING(CCE_PACKET0(R128_CONSTANT_COLOR_C, 1));
 193        OUT_RING(ctx->constant_color_c);
 194        OUT_RING(tex->tex_border_color);
 195
 196        ADVANCE_RING();
 197}
 198
 199static __inline__ void r128_emit_tex1(drm_r128_private_t *dev_priv)
 200{
 201        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 202        drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1];
 203        int i;
 204        RING_LOCALS;
 205        DRM_DEBUG("\n");
 206
 207        BEGIN_RING(5 + R128_MAX_TEXTURE_LEVELS);
 208
 209        OUT_RING(CCE_PACKET0(R128_SEC_TEX_CNTL_C, 1 + R128_MAX_TEXTURE_LEVELS));
 210        OUT_RING(tex->tex_cntl);
 211        OUT_RING(tex->tex_combine_cntl);
 212        for (i = 0; i < R128_MAX_TEXTURE_LEVELS; i++)
 213                OUT_RING(tex->tex_offset[i]);
 214
 215        OUT_RING(CCE_PACKET0(R128_SEC_TEXTURE_BORDER_COLOR_C, 0));
 216        OUT_RING(tex->tex_border_color);
 217
 218        ADVANCE_RING();
 219}
 220
 221static void r128_emit_state(drm_r128_private_t *dev_priv)
 222{
 223        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 224        unsigned int dirty = sarea_priv->dirty;
 225
 226        DRM_DEBUG("dirty=0x%08x\n", dirty);
 227
 228        if (dirty & R128_UPLOAD_CORE) {
 229                r128_emit_core(dev_priv);
 230                sarea_priv->dirty &= ~R128_UPLOAD_CORE;
 231        }
 232
 233        if (dirty & R128_UPLOAD_CONTEXT) {
 234                r128_emit_context(dev_priv);
 235                sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT;
 236        }
 237
 238        if (dirty & R128_UPLOAD_SETUP) {
 239                r128_emit_setup(dev_priv);
 240                sarea_priv->dirty &= ~R128_UPLOAD_SETUP;
 241        }
 242
 243        if (dirty & R128_UPLOAD_MASKS) {
 244                r128_emit_masks(dev_priv);
 245                sarea_priv->dirty &= ~R128_UPLOAD_MASKS;
 246        }
 247
 248        if (dirty & R128_UPLOAD_WINDOW) {
 249                r128_emit_window(dev_priv);
 250                sarea_priv->dirty &= ~R128_UPLOAD_WINDOW;
 251        }
 252
 253        if (dirty & R128_UPLOAD_TEX0) {
 254                r128_emit_tex0(dev_priv);
 255                sarea_priv->dirty &= ~R128_UPLOAD_TEX0;
 256        }
 257
 258        if (dirty & R128_UPLOAD_TEX1) {
 259                r128_emit_tex1(dev_priv);
 260                sarea_priv->dirty &= ~R128_UPLOAD_TEX1;
 261        }
 262
 263        /* Turn off the texture cache flushing */
 264        sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH;
 265
 266        sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE;
 267}
 268
 269#if R128_PERFORMANCE_BOXES
 270/* ================================================================
 271 * Performance monitoring functions
 272 */
 273
 274static void r128_clear_box(drm_r128_private_t *dev_priv,
 275                           int x, int y, int w, int h, int r, int g, int b)
 276{
 277        u32 pitch, offset;
 278        u32 fb_bpp, color;
 279        RING_LOCALS;
 280
 281        switch (dev_priv->fb_bpp) {
 282        case 16:
 283                fb_bpp = R128_GMC_DST_16BPP;
 284                color = (((r & 0xf8) << 8) |
 285                         ((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
 286                break;
 287        case 24:
 288                fb_bpp = R128_GMC_DST_24BPP;
 289                color = ((r << 16) | (g << 8) | b);
 290                break;
 291        case 32:
 292                fb_bpp = R128_GMC_DST_32BPP;
 293                color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
 294                break;
 295        default:
 296                return;
 297        }
 298
 299        offset = dev_priv->back_offset;
 300        pitch = dev_priv->back_pitch >> 3;
 301
 302        BEGIN_RING(6);
 303
 304        OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 305        OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 306                 R128_GMC_BRUSH_SOLID_COLOR |
 307                 fb_bpp |
 308                 R128_GMC_SRC_DATATYPE_COLOR |
 309                 R128_ROP3_P |
 310                 R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS);
 311
 312        OUT_RING((pitch << 21) | (offset >> 5));
 313        OUT_RING(color);
 314
 315        OUT_RING((x << 16) | y);
 316        OUT_RING((w << 16) | h);
 317
 318        ADVANCE_RING();
 319}
 320
 321static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv)
 322{
 323        if (atomic_read(&dev_priv->idle_count) == 0)
 324                r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
 325        else
 326                atomic_set(&dev_priv->idle_count, 0);
 327}
 328
 329#endif
 330
 331/* ================================================================
 332 * CCE command dispatch functions
 333 */
 334
 335static void r128_print_dirty(const char *msg, unsigned int flags)
 336{
 337        DRM_INFO("%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
 338                 msg,
 339                 flags,
 340                 (flags & R128_UPLOAD_CORE) ? "core, " : "",
 341                 (flags & R128_UPLOAD_CONTEXT) ? "context, " : "",
 342                 (flags & R128_UPLOAD_SETUP) ? "setup, " : "",
 343                 (flags & R128_UPLOAD_TEX0) ? "tex0, " : "",
 344                 (flags & R128_UPLOAD_TEX1) ? "tex1, " : "",
 345                 (flags & R128_UPLOAD_MASKS) ? "masks, " : "",
 346                 (flags & R128_UPLOAD_WINDOW) ? "window, " : "",
 347                 (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "",
 348                 (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "");
 349}
 350
 351static void r128_cce_dispatch_clear(struct drm_device *dev,
 352                                    drm_r128_clear_t *clear)
 353{
 354        drm_r128_private_t *dev_priv = dev->dev_private;
 355        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 356        int nbox = sarea_priv->nbox;
 357        struct drm_clip_rect *pbox = sarea_priv->boxes;
 358        unsigned int flags = clear->flags;
 359        int i;
 360        RING_LOCALS;
 361        DRM_DEBUG("\n");
 362
 363        if (dev_priv->page_flipping && dev_priv->current_page == 1) {
 364                unsigned int tmp = flags;
 365
 366                flags &= ~(R128_FRONT | R128_BACK);
 367                if (tmp & R128_FRONT)
 368                        flags |= R128_BACK;
 369                if (tmp & R128_BACK)
 370                        flags |= R128_FRONT;
 371        }
 372
 373        for (i = 0; i < nbox; i++) {
 374                int x = pbox[i].x1;
 375                int y = pbox[i].y1;
 376                int w = pbox[i].x2 - x;
 377                int h = pbox[i].y2 - y;
 378
 379                DRM_DEBUG("dispatch clear %d,%d-%d,%d flags 0x%x\n",
 380                          pbox[i].x1, pbox[i].y1, pbox[i].x2,
 381                          pbox[i].y2, flags);
 382
 383                if (flags & (R128_FRONT | R128_BACK)) {
 384                        BEGIN_RING(2);
 385
 386                        OUT_RING(CCE_PACKET0(R128_DP_WRITE_MASK, 0));
 387                        OUT_RING(clear->color_mask);
 388
 389                        ADVANCE_RING();
 390                }
 391
 392                if (flags & R128_FRONT) {
 393                        BEGIN_RING(6);
 394
 395                        OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 396                        OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 397                                 R128_GMC_BRUSH_SOLID_COLOR |
 398                                 (dev_priv->color_fmt << 8) |
 399                                 R128_GMC_SRC_DATATYPE_COLOR |
 400                                 R128_ROP3_P |
 401                                 R128_GMC_CLR_CMP_CNTL_DIS |
 402                                 R128_GMC_AUX_CLIP_DIS);
 403
 404                        OUT_RING(dev_priv->front_pitch_offset_c);
 405                        OUT_RING(clear->clear_color);
 406
 407                        OUT_RING((x << 16) | y);
 408                        OUT_RING((w << 16) | h);
 409
 410                        ADVANCE_RING();
 411                }
 412
 413                if (flags & R128_BACK) {
 414                        BEGIN_RING(6);
 415
 416                        OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 417                        OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 418                                 R128_GMC_BRUSH_SOLID_COLOR |
 419                                 (dev_priv->color_fmt << 8) |
 420                                 R128_GMC_SRC_DATATYPE_COLOR |
 421                                 R128_ROP3_P |
 422                                 R128_GMC_CLR_CMP_CNTL_DIS |
 423                                 R128_GMC_AUX_CLIP_DIS);
 424
 425                        OUT_RING(dev_priv->back_pitch_offset_c);
 426                        OUT_RING(clear->clear_color);
 427
 428                        OUT_RING((x << 16) | y);
 429                        OUT_RING((w << 16) | h);
 430
 431                        ADVANCE_RING();
 432                }
 433
 434                if (flags & R128_DEPTH) {
 435                        BEGIN_RING(6);
 436
 437                        OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 438                        OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 439                                 R128_GMC_BRUSH_SOLID_COLOR |
 440                                 (dev_priv->depth_fmt << 8) |
 441                                 R128_GMC_SRC_DATATYPE_COLOR |
 442                                 R128_ROP3_P |
 443                                 R128_GMC_CLR_CMP_CNTL_DIS |
 444                                 R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
 445
 446                        OUT_RING(dev_priv->depth_pitch_offset_c);
 447                        OUT_RING(clear->clear_depth);
 448
 449                        OUT_RING((x << 16) | y);
 450                        OUT_RING((w << 16) | h);
 451
 452                        ADVANCE_RING();
 453                }
 454        }
 455}
 456
 457static void r128_cce_dispatch_swap(struct drm_device *dev)
 458{
 459        drm_r128_private_t *dev_priv = dev->dev_private;
 460        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 461        int nbox = sarea_priv->nbox;
 462        struct drm_clip_rect *pbox = sarea_priv->boxes;
 463        int i;
 464        RING_LOCALS;
 465        DRM_DEBUG("\n");
 466
 467#if R128_PERFORMANCE_BOXES
 468        /* Do some trivial performance monitoring...
 469         */
 470        r128_cce_performance_boxes(dev_priv);
 471#endif
 472
 473        for (i = 0; i < nbox; i++) {
 474                int x = pbox[i].x1;
 475                int y = pbox[i].y1;
 476                int w = pbox[i].x2 - x;
 477                int h = pbox[i].y2 - y;
 478
 479                BEGIN_RING(7);
 480
 481                OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
 482                OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
 483                         R128_GMC_DST_PITCH_OFFSET_CNTL |
 484                         R128_GMC_BRUSH_NONE |
 485                         (dev_priv->color_fmt << 8) |
 486                         R128_GMC_SRC_DATATYPE_COLOR |
 487                         R128_ROP3_S |
 488                         R128_DP_SRC_SOURCE_MEMORY |
 489                         R128_GMC_CLR_CMP_CNTL_DIS |
 490                         R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS);
 491
 492                /* Make this work even if front & back are flipped:
 493                 */
 494                if (dev_priv->current_page == 0) {
 495                        OUT_RING(dev_priv->back_pitch_offset_c);
 496                        OUT_RING(dev_priv->front_pitch_offset_c);
 497                } else {
 498                        OUT_RING(dev_priv->front_pitch_offset_c);
 499                        OUT_RING(dev_priv->back_pitch_offset_c);
 500                }
 501
 502                OUT_RING((x << 16) | y);
 503                OUT_RING((x << 16) | y);
 504                OUT_RING((w << 16) | h);
 505
 506                ADVANCE_RING();
 507        }
 508
 509        /* Increment the frame counter.  The client-side 3D driver must
 510         * throttle the framerate by waiting for this value before
 511         * performing the swapbuffer ioctl.
 512         */
 513        dev_priv->sarea_priv->last_frame++;
 514
 515        BEGIN_RING(2);
 516
 517        OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
 518        OUT_RING(dev_priv->sarea_priv->last_frame);
 519
 520        ADVANCE_RING();
 521}
 522
 523static void r128_cce_dispatch_flip(struct drm_device *dev)
 524{
 525        drm_r128_private_t *dev_priv = dev->dev_private;
 526        RING_LOCALS;
 527        DRM_DEBUG("page=%d pfCurrentPage=%d\n",
 528                  dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage);
 529
 530#if R128_PERFORMANCE_BOXES
 531        /* Do some trivial performance monitoring...
 532         */
 533        r128_cce_performance_boxes(dev_priv);
 534#endif
 535
 536        BEGIN_RING(4);
 537
 538        R128_WAIT_UNTIL_PAGE_FLIPPED();
 539        OUT_RING(CCE_PACKET0(R128_CRTC_OFFSET, 0));
 540
 541        if (dev_priv->current_page == 0)
 542                OUT_RING(dev_priv->back_offset);
 543        else
 544                OUT_RING(dev_priv->front_offset);
 545
 546        ADVANCE_RING();
 547
 548        /* Increment the frame counter.  The client-side 3D driver must
 549         * throttle the framerate by waiting for this value before
 550         * performing the swapbuffer ioctl.
 551         */
 552        dev_priv->sarea_priv->last_frame++;
 553        dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
 554            1 - dev_priv->current_page;
 555
 556        BEGIN_RING(2);
 557
 558        OUT_RING(CCE_PACKET0(R128_LAST_FRAME_REG, 0));
 559        OUT_RING(dev_priv->sarea_priv->last_frame);
 560
 561        ADVANCE_RING();
 562}
 563
 564static void r128_cce_dispatch_vertex(struct drm_device *dev, struct drm_buf *buf)
 565{
 566        drm_r128_private_t *dev_priv = dev->dev_private;
 567        drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 568        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 569        int format = sarea_priv->vc_format;
 570        int offset = buf->bus_address;
 571        int size = buf->used;
 572        int prim = buf_priv->prim;
 573        int i = 0;
 574        RING_LOCALS;
 575        DRM_DEBUG("buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox);
 576
 577        if (0)
 578                r128_print_dirty("dispatch_vertex", sarea_priv->dirty);
 579
 580        if (buf->used) {
 581                buf_priv->dispatched = 1;
 582
 583                if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS)
 584                        r128_emit_state(dev_priv);
 585
 586                do {
 587                        /* Emit the next set of up to three cliprects */
 588                        if (i < sarea_priv->nbox) {
 589                                r128_emit_clip_rects(dev_priv,
 590                                                     &sarea_priv->boxes[i],
 591                                                     sarea_priv->nbox - i);
 592                        }
 593
 594                        /* Emit the vertex buffer rendering commands */
 595                        BEGIN_RING(5);
 596
 597                        OUT_RING(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM, 3));
 598                        OUT_RING(offset);
 599                        OUT_RING(size);
 600                        OUT_RING(format);
 601                        OUT_RING(prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST |
 602                                 (size << R128_CCE_VC_CNTL_NUM_SHIFT));
 603
 604                        ADVANCE_RING();
 605
 606                        i += 3;
 607                } while (i < sarea_priv->nbox);
 608        }
 609
 610        if (buf_priv->discard) {
 611                buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 612
 613                /* Emit the vertex buffer age */
 614                BEGIN_RING(2);
 615
 616                OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 617                OUT_RING(buf_priv->age);
 618
 619                ADVANCE_RING();
 620
 621                buf->pending = 1;
 622                buf->used = 0;
 623                /* FIXME: Check dispatched field */
 624                buf_priv->dispatched = 0;
 625        }
 626
 627        dev_priv->sarea_priv->last_dispatch++;
 628
 629        sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
 630        sarea_priv->nbox = 0;
 631}
 632
 633static void r128_cce_dispatch_indirect(struct drm_device *dev,
 634                                       struct drm_buf *buf, int start, int end)
 635{
 636        drm_r128_private_t *dev_priv = dev->dev_private;
 637        drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 638        RING_LOCALS;
 639        DRM_DEBUG("indirect: buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
 640
 641        if (start != end) {
 642                int offset = buf->bus_address + start;
 643                int dwords = (end - start + 3) / sizeof(u32);
 644
 645                /* Indirect buffer data must be an even number of
 646                 * dwords, so if we've been given an odd number we must
 647                 * pad the data with a Type-2 CCE packet.
 648                 */
 649                if (dwords & 1) {
 650                        u32 *data = (u32 *)
 651                            ((char *)dev->agp_buffer_map->handle
 652                             + buf->offset + start);
 653                        data[dwords++] = cpu_to_le32(R128_CCE_PACKET2);
 654                }
 655
 656                buf_priv->dispatched = 1;
 657
 658                /* Fire off the indirect buffer */
 659                BEGIN_RING(3);
 660
 661                OUT_RING(CCE_PACKET0(R128_PM4_IW_INDOFF, 1));
 662                OUT_RING(offset);
 663                OUT_RING(dwords);
 664
 665                ADVANCE_RING();
 666        }
 667
 668        if (buf_priv->discard) {
 669                buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 670
 671                /* Emit the indirect buffer age */
 672                BEGIN_RING(2);
 673
 674                OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 675                OUT_RING(buf_priv->age);
 676
 677                ADVANCE_RING();
 678
 679                buf->pending = 1;
 680                buf->used = 0;
 681                /* FIXME: Check dispatched field */
 682                buf_priv->dispatched = 0;
 683        }
 684
 685        dev_priv->sarea_priv->last_dispatch++;
 686}
 687
 688static void r128_cce_dispatch_indices(struct drm_device *dev,
 689                                      struct drm_buf *buf,
 690                                      int start, int end, int count)
 691{
 692        drm_r128_private_t *dev_priv = dev->dev_private;
 693        drm_r128_buf_priv_t *buf_priv = buf->dev_private;
 694        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
 695        int format = sarea_priv->vc_format;
 696        int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset;
 697        int prim = buf_priv->prim;
 698        u32 *data;
 699        int dwords;
 700        int i = 0;
 701        RING_LOCALS;
 702        DRM_DEBUG("indices: s=%d e=%d c=%d\n", start, end, count);
 703
 704        if (0)
 705                r128_print_dirty("dispatch_indices", sarea_priv->dirty);
 706
 707        if (start != end) {
 708                buf_priv->dispatched = 1;
 709
 710                if (sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS)
 711                        r128_emit_state(dev_priv);
 712
 713                dwords = (end - start + 3) / sizeof(u32);
 714
 715                data = (u32 *) ((char *)dev->agp_buffer_map->handle
 716                                + buf->offset + start);
 717
 718                data[0] = cpu_to_le32(CCE_PACKET3(R128_3D_RNDR_GEN_INDX_PRIM,
 719                                                  dwords - 2));
 720
 721                data[1] = cpu_to_le32(offset);
 722                data[2] = cpu_to_le32(R128_MAX_VB_VERTS);
 723                data[3] = cpu_to_le32(format);
 724                data[4] = cpu_to_le32((prim | R128_CCE_VC_CNTL_PRIM_WALK_IND |
 725                                       (count << 16)));
 726
 727                if (count & 0x1) {
 728#ifdef __LITTLE_ENDIAN
 729                        data[dwords - 1] &= 0x0000ffff;
 730#else
 731                        data[dwords - 1] &= 0xffff0000;
 732#endif
 733                }
 734
 735                do {
 736                        /* Emit the next set of up to three cliprects */
 737                        if (i < sarea_priv->nbox) {
 738                                r128_emit_clip_rects(dev_priv,
 739                                                     &sarea_priv->boxes[i],
 740                                                     sarea_priv->nbox - i);
 741                        }
 742
 743                        r128_cce_dispatch_indirect(dev, buf, start, end);
 744
 745                        i += 3;
 746                } while (i < sarea_priv->nbox);
 747        }
 748
 749        if (buf_priv->discard) {
 750                buf_priv->age = dev_priv->sarea_priv->last_dispatch;
 751
 752                /* Emit the vertex buffer age */
 753                BEGIN_RING(2);
 754
 755                OUT_RING(CCE_PACKET0(R128_LAST_DISPATCH_REG, 0));
 756                OUT_RING(buf_priv->age);
 757
 758                ADVANCE_RING();
 759
 760                buf->pending = 1;
 761                /* FIXME: Check dispatched field */
 762                buf_priv->dispatched = 0;
 763        }
 764
 765        dev_priv->sarea_priv->last_dispatch++;
 766
 767        sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS;
 768        sarea_priv->nbox = 0;
 769}
 770
 771static int r128_cce_dispatch_blit(struct drm_device *dev,
 772                                  struct drm_file *file_priv,
 773                                  drm_r128_blit_t *blit)
 774{
 775        drm_r128_private_t *dev_priv = dev->dev_private;
 776        struct drm_device_dma *dma = dev->dma;
 777        struct drm_buf *buf;
 778        drm_r128_buf_priv_t *buf_priv;
 779        u32 *data;
 780        int dword_shift, dwords;
 781        RING_LOCALS;
 782        DRM_DEBUG("\n");
 783
 784        /* The compiler won't optimize away a division by a variable,
 785         * even if the only legal values are powers of two.  Thus, we'll
 786         * use a shift instead.
 787         */
 788        switch (blit->format) {
 789        case R128_DATATYPE_ARGB8888:
 790                dword_shift = 0;
 791                break;
 792        case R128_DATATYPE_ARGB1555:
 793        case R128_DATATYPE_RGB565:
 794        case R128_DATATYPE_ARGB4444:
 795        case R128_DATATYPE_YVYU422:
 796        case R128_DATATYPE_VYUY422:
 797                dword_shift = 1;
 798                break;
 799        case R128_DATATYPE_CI8:
 800        case R128_DATATYPE_RGB8:
 801                dword_shift = 2;
 802                break;
 803        default:
 804                DRM_ERROR("invalid blit format %d\n", blit->format);
 805                return -EINVAL;
 806        }
 807
 808        /* Flush the pixel cache, and mark the contents as Read Invalid.
 809         * This ensures no pixel data gets mixed up with the texture
 810         * data from the host data blit, otherwise part of the texture
 811         * image may be corrupted.
 812         */
 813        BEGIN_RING(2);
 814
 815        OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
 816        OUT_RING(R128_PC_RI_GUI | R128_PC_FLUSH_GUI);
 817
 818        ADVANCE_RING();
 819
 820        /* Dispatch the indirect buffer.
 821         */
 822        buf = dma->buflist[blit->idx];
 823        buf_priv = buf->dev_private;
 824
 825        if (buf->file_priv != file_priv) {
 826                DRM_ERROR("process %d using buffer owned by %p\n",
 827                          DRM_CURRENTPID, buf->file_priv);
 828                return -EINVAL;
 829        }
 830        if (buf->pending) {
 831                DRM_ERROR("sending pending buffer %d\n", blit->idx);
 832                return -EINVAL;
 833        }
 834
 835        buf_priv->discard = 1;
 836
 837        dwords = (blit->width * blit->height) >> dword_shift;
 838
 839        data = (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
 840
 841        data[0] = cpu_to_le32(CCE_PACKET3(R128_CNTL_HOSTDATA_BLT, dwords + 6));
 842        data[1] = cpu_to_le32((R128_GMC_DST_PITCH_OFFSET_CNTL |
 843                               R128_GMC_BRUSH_NONE |
 844                               (blit->format << 8) |
 845                               R128_GMC_SRC_DATATYPE_COLOR |
 846                               R128_ROP3_S |
 847                               R128_DP_SRC_SOURCE_HOST_DATA |
 848                               R128_GMC_CLR_CMP_CNTL_DIS |
 849                               R128_GMC_AUX_CLIP_DIS | R128_GMC_WR_MSK_DIS));
 850
 851        data[2] = cpu_to_le32((blit->pitch << 21) | (blit->offset >> 5));
 852        data[3] = cpu_to_le32(0xffffffff);
 853        data[4] = cpu_to_le32(0xffffffff);
 854        data[5] = cpu_to_le32((blit->y << 16) | blit->x);
 855        data[6] = cpu_to_le32((blit->height << 16) | blit->width);
 856        data[7] = cpu_to_le32(dwords);
 857
 858        buf->used = (dwords + 8) * sizeof(u32);
 859
 860        r128_cce_dispatch_indirect(dev, buf, 0, buf->used);
 861
 862        /* Flush the pixel cache after the blit completes.  This ensures
 863         * the texture data is written out to memory before rendering
 864         * continues.
 865         */
 866        BEGIN_RING(2);
 867
 868        OUT_RING(CCE_PACKET0(R128_PC_GUI_CTLSTAT, 0));
 869        OUT_RING(R128_PC_FLUSH_GUI);
 870
 871        ADVANCE_RING();
 872
 873        return 0;
 874}
 875
 876/* ================================================================
 877 * Tiled depth buffer management
 878 *
 879 * FIXME: These should all set the destination write mask for when we
 880 * have hardware stencil support.
 881 */
 882
 883static int r128_cce_dispatch_write_span(struct drm_device *dev,
 884                                        drm_r128_depth_t *depth)
 885{
 886        drm_r128_private_t *dev_priv = dev->dev_private;
 887        int count, x, y;
 888        u32 *buffer;
 889        u8 *mask;
 890        int i, buffer_size, mask_size;
 891        RING_LOCALS;
 892        DRM_DEBUG("\n");
 893
 894        count = depth->n;
 895        if (count > 4096 || count <= 0)
 896                return -EMSGSIZE;
 897
 898        if (copy_from_user(&x, depth->x, sizeof(x)))
 899                return -EFAULT;
 900        if (copy_from_user(&y, depth->y, sizeof(y)))
 901                return -EFAULT;
 902
 903        buffer_size = depth->n * sizeof(u32);
 904        buffer = memdup_user(depth->buffer, buffer_size);
 905        if (IS_ERR(buffer))
 906                return PTR_ERR(buffer);
 907
 908        mask_size = depth->n;
 909        if (depth->mask) {
 910                mask = memdup_user(depth->mask, mask_size);
 911                if (IS_ERR(mask)) {
 912                        kfree(buffer);
 913                        return PTR_ERR(mask);
 914                }
 915
 916                for (i = 0; i < count; i++, x++) {
 917                        if (mask[i]) {
 918                                BEGIN_RING(6);
 919
 920                                OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 921                                OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 922                                         R128_GMC_BRUSH_SOLID_COLOR |
 923                                         (dev_priv->depth_fmt << 8) |
 924                                         R128_GMC_SRC_DATATYPE_COLOR |
 925                                         R128_ROP3_P |
 926                                         R128_GMC_CLR_CMP_CNTL_DIS |
 927                                         R128_GMC_WR_MSK_DIS);
 928
 929                                OUT_RING(dev_priv->depth_pitch_offset_c);
 930                                OUT_RING(buffer[i]);
 931
 932                                OUT_RING((x << 16) | y);
 933                                OUT_RING((1 << 16) | 1);
 934
 935                                ADVANCE_RING();
 936                        }
 937                }
 938
 939                kfree(mask);
 940        } else {
 941                for (i = 0; i < count; i++, x++) {
 942                        BEGIN_RING(6);
 943
 944                        OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
 945                        OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
 946                                 R128_GMC_BRUSH_SOLID_COLOR |
 947                                 (dev_priv->depth_fmt << 8) |
 948                                 R128_GMC_SRC_DATATYPE_COLOR |
 949                                 R128_ROP3_P |
 950                                 R128_GMC_CLR_CMP_CNTL_DIS |
 951                                 R128_GMC_WR_MSK_DIS);
 952
 953                        OUT_RING(dev_priv->depth_pitch_offset_c);
 954                        OUT_RING(buffer[i]);
 955
 956                        OUT_RING((x << 16) | y);
 957                        OUT_RING((1 << 16) | 1);
 958
 959                        ADVANCE_RING();
 960                }
 961        }
 962
 963        kfree(buffer);
 964
 965        return 0;
 966}
 967
 968static int r128_cce_dispatch_write_pixels(struct drm_device *dev,
 969                                          drm_r128_depth_t *depth)
 970{
 971        drm_r128_private_t *dev_priv = dev->dev_private;
 972        int count, *x, *y;
 973        u32 *buffer;
 974        u8 *mask;
 975        int i, xbuf_size, ybuf_size, buffer_size, mask_size;
 976        RING_LOCALS;
 977        DRM_DEBUG("\n");
 978
 979        count = depth->n;
 980        if (count > 4096 || count <= 0)
 981                return -EMSGSIZE;
 982
 983        xbuf_size = count * sizeof(*x);
 984        ybuf_size = count * sizeof(*y);
 985        x = memdup_user(depth->x, xbuf_size);
 986        if (IS_ERR(x))
 987                return PTR_ERR(x);
 988        y = memdup_user(depth->y, ybuf_size);
 989        if (IS_ERR(y)) {
 990                kfree(x);
 991                return PTR_ERR(y);
 992        }
 993        buffer_size = depth->n * sizeof(u32);
 994        buffer = memdup_user(depth->buffer, buffer_size);
 995        if (IS_ERR(buffer)) {
 996                kfree(x);
 997                kfree(y);
 998                return PTR_ERR(buffer);
 999        }
1000
1001        if (depth->mask) {
1002                mask_size = depth->n;
1003                mask = memdup_user(depth->mask, mask_size);
1004                if (IS_ERR(mask)) {
1005                        kfree(x);
1006                        kfree(y);
1007                        kfree(buffer);
1008                        return PTR_ERR(mask);
1009                }
1010
1011                for (i = 0; i < count; i++) {
1012                        if (mask[i]) {
1013                                BEGIN_RING(6);
1014
1015                                OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1016                                OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1017                                         R128_GMC_BRUSH_SOLID_COLOR |
1018                                         (dev_priv->depth_fmt << 8) |
1019                                         R128_GMC_SRC_DATATYPE_COLOR |
1020                                         R128_ROP3_P |
1021                                         R128_GMC_CLR_CMP_CNTL_DIS |
1022                                         R128_GMC_WR_MSK_DIS);
1023
1024                                OUT_RING(dev_priv->depth_pitch_offset_c);
1025                                OUT_RING(buffer[i]);
1026
1027                                OUT_RING((x[i] << 16) | y[i]);
1028                                OUT_RING((1 << 16) | 1);
1029
1030                                ADVANCE_RING();
1031                        }
1032                }
1033
1034                kfree(mask);
1035        } else {
1036                for (i = 0; i < count; i++) {
1037                        BEGIN_RING(6);
1038
1039                        OUT_RING(CCE_PACKET3(R128_CNTL_PAINT_MULTI, 4));
1040                        OUT_RING(R128_GMC_DST_PITCH_OFFSET_CNTL |
1041                                 R128_GMC_BRUSH_SOLID_COLOR |
1042                                 (dev_priv->depth_fmt << 8) |
1043                                 R128_GMC_SRC_DATATYPE_COLOR |
1044                                 R128_ROP3_P |
1045                                 R128_GMC_CLR_CMP_CNTL_DIS |
1046                                 R128_GMC_WR_MSK_DIS);
1047
1048                        OUT_RING(dev_priv->depth_pitch_offset_c);
1049                        OUT_RING(buffer[i]);
1050
1051                        OUT_RING((x[i] << 16) | y[i]);
1052                        OUT_RING((1 << 16) | 1);
1053
1054                        ADVANCE_RING();
1055                }
1056        }
1057
1058        kfree(x);
1059        kfree(y);
1060        kfree(buffer);
1061
1062        return 0;
1063}
1064
1065static int r128_cce_dispatch_read_span(struct drm_device *dev,
1066                                       drm_r128_depth_t *depth)
1067{
1068        drm_r128_private_t *dev_priv = dev->dev_private;
1069        int count, x, y;
1070        RING_LOCALS;
1071        DRM_DEBUG("\n");
1072
1073        count = depth->n;
1074        if (count > 4096 || count <= 0)
1075                return -EMSGSIZE;
1076
1077        if (copy_from_user(&x, depth->x, sizeof(x)))
1078                return -EFAULT;
1079        if (copy_from_user(&y, depth->y, sizeof(y)))
1080                return -EFAULT;
1081
1082        BEGIN_RING(7);
1083
1084        OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1085        OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1086                 R128_GMC_DST_PITCH_OFFSET_CNTL |
1087                 R128_GMC_BRUSH_NONE |
1088                 (dev_priv->depth_fmt << 8) |
1089                 R128_GMC_SRC_DATATYPE_COLOR |
1090                 R128_ROP3_S |
1091                 R128_DP_SRC_SOURCE_MEMORY |
1092                 R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1093
1094        OUT_RING(dev_priv->depth_pitch_offset_c);
1095        OUT_RING(dev_priv->span_pitch_offset_c);
1096
1097        OUT_RING((x << 16) | y);
1098        OUT_RING((0 << 16) | 0);
1099        OUT_RING((count << 16) | 1);
1100
1101        ADVANCE_RING();
1102
1103        return 0;
1104}
1105
1106static int r128_cce_dispatch_read_pixels(struct drm_device *dev,
1107                                         drm_r128_depth_t *depth)
1108{
1109        drm_r128_private_t *dev_priv = dev->dev_private;
1110        int count, *x, *y;
1111        int i, xbuf_size, ybuf_size;
1112        RING_LOCALS;
1113        DRM_DEBUG("\n");
1114
1115        count = depth->n;
1116        if (count > 4096 || count <= 0)
1117                return -EMSGSIZE;
1118
1119        if (count > dev_priv->depth_pitch)
1120                count = dev_priv->depth_pitch;
1121
1122        xbuf_size = count * sizeof(*x);
1123        ybuf_size = count * sizeof(*y);
1124        x = kmalloc(xbuf_size, GFP_KERNEL);
1125        if (x == NULL)
1126                return -ENOMEM;
1127        y = kmalloc(ybuf_size, GFP_KERNEL);
1128        if (y == NULL) {
1129                kfree(x);
1130                return -ENOMEM;
1131        }
1132        if (copy_from_user(x, depth->x, xbuf_size)) {
1133                kfree(x);
1134                kfree(y);
1135                return -EFAULT;
1136        }
1137        if (copy_from_user(y, depth->y, ybuf_size)) {
1138                kfree(x);
1139                kfree(y);
1140                return -EFAULT;
1141        }
1142
1143        for (i = 0; i < count; i++) {
1144                BEGIN_RING(7);
1145
1146                OUT_RING(CCE_PACKET3(R128_CNTL_BITBLT_MULTI, 5));
1147                OUT_RING(R128_GMC_SRC_PITCH_OFFSET_CNTL |
1148                         R128_GMC_DST_PITCH_OFFSET_CNTL |
1149                         R128_GMC_BRUSH_NONE |
1150                         (dev_priv->depth_fmt << 8) |
1151                         R128_GMC_SRC_DATATYPE_COLOR |
1152                         R128_ROP3_S |
1153                         R128_DP_SRC_SOURCE_MEMORY |
1154                         R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_WR_MSK_DIS);
1155
1156                OUT_RING(dev_priv->depth_pitch_offset_c);
1157                OUT_RING(dev_priv->span_pitch_offset_c);
1158
1159                OUT_RING((x[i] << 16) | y[i]);
1160                OUT_RING((i << 16) | 0);
1161                OUT_RING((1 << 16) | 1);
1162
1163                ADVANCE_RING();
1164        }
1165
1166        kfree(x);
1167        kfree(y);
1168
1169        return 0;
1170}
1171
1172/* ================================================================
1173 * Polygon stipple
1174 */
1175
1176static void r128_cce_dispatch_stipple(struct drm_device *dev, u32 *stipple)
1177{
1178        drm_r128_private_t *dev_priv = dev->dev_private;
1179        int i;
1180        RING_LOCALS;
1181        DRM_DEBUG("\n");
1182
1183        BEGIN_RING(33);
1184
1185        OUT_RING(CCE_PACKET0(R128_BRUSH_DATA0, 31));
1186        for (i = 0; i < 32; i++)
1187                OUT_RING(stipple[i]);
1188
1189        ADVANCE_RING();
1190}
1191
1192/* ================================================================
1193 * IOCTL functions
1194 */
1195
1196static int r128_cce_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
1197{
1198        drm_r128_private_t *dev_priv = dev->dev_private;
1199        drm_r128_sarea_t *sarea_priv;
1200        drm_r128_clear_t *clear = data;
1201        DRM_DEBUG("\n");
1202
1203        LOCK_TEST_WITH_RETURN(dev, file_priv);
1204
1205        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1206
1207        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1208
1209        sarea_priv = dev_priv->sarea_priv;
1210
1211        if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1212                sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1213
1214        r128_cce_dispatch_clear(dev, clear);
1215        COMMIT_RING();
1216
1217        /* Make sure we restore the 3D state next time.
1218         */
1219        dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS;
1220
1221        return 0;
1222}
1223
1224static int r128_do_init_pageflip(struct drm_device *dev)
1225{
1226        drm_r128_private_t *dev_priv = dev->dev_private;
1227        DRM_DEBUG("\n");
1228
1229        dev_priv->crtc_offset = R128_READ(R128_CRTC_OFFSET);
1230        dev_priv->crtc_offset_cntl = R128_READ(R128_CRTC_OFFSET_CNTL);
1231
1232        R128_WRITE(R128_CRTC_OFFSET, dev_priv->front_offset);
1233        R128_WRITE(R128_CRTC_OFFSET_CNTL,
1234                   dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL);
1235
1236        dev_priv->page_flipping = 1;
1237        dev_priv->current_page = 0;
1238        dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
1239
1240        return 0;
1241}
1242
1243static int r128_do_cleanup_pageflip(struct drm_device *dev)
1244{
1245        drm_r128_private_t *dev_priv = dev->dev_private;
1246        DRM_DEBUG("\n");
1247
1248        R128_WRITE(R128_CRTC_OFFSET, dev_priv->crtc_offset);
1249        R128_WRITE(R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl);
1250
1251        if (dev_priv->current_page != 0) {
1252                r128_cce_dispatch_flip(dev);
1253                COMMIT_RING();
1254        }
1255
1256        dev_priv->page_flipping = 0;
1257        return 0;
1258}
1259
1260/* Swapping and flipping are different operations, need different ioctls.
1261 * They can & should be intermixed to support multiple 3d windows.
1262 */
1263
1264static int r128_cce_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
1265{
1266        drm_r128_private_t *dev_priv = dev->dev_private;
1267        DRM_DEBUG("\n");
1268
1269        LOCK_TEST_WITH_RETURN(dev, file_priv);
1270
1271        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1272
1273        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1274
1275        if (!dev_priv->page_flipping)
1276                r128_do_init_pageflip(dev);
1277
1278        r128_cce_dispatch_flip(dev);
1279
1280        COMMIT_RING();
1281        return 0;
1282}
1283
1284static int r128_cce_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
1285{
1286        drm_r128_private_t *dev_priv = dev->dev_private;
1287        drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv;
1288        DRM_DEBUG("\n");
1289
1290        LOCK_TEST_WITH_RETURN(dev, file_priv);
1291
1292        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1293
1294        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1295
1296        if (sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS)
1297                sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS;
1298
1299        r128_cce_dispatch_swap(dev);
1300        dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT |
1301                                        R128_UPLOAD_MASKS);
1302
1303        COMMIT_RING();
1304        return 0;
1305}
1306
1307static int r128_cce_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
1308{
1309        drm_r128_private_t *dev_priv = dev->dev_private;
1310        struct drm_device_dma *dma = dev->dma;
1311        struct drm_buf *buf;
1312        drm_r128_buf_priv_t *buf_priv;
1313        drm_r128_vertex_t *vertex = data;
1314
1315        LOCK_TEST_WITH_RETURN(dev, file_priv);
1316
1317        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1318
1319        DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
1320                  DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
1321
1322        if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
1323                DRM_ERROR("buffer index %d (of %d max)\n",
1324                          vertex->idx, dma->buf_count - 1);
1325                return -EINVAL;
1326        }
1327        if (vertex->prim < 0 ||
1328            vertex->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1329                DRM_ERROR("buffer prim %d\n", vertex->prim);
1330                return -EINVAL;
1331        }
1332
1333        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1334        VB_AGE_TEST_WITH_RETURN(dev_priv);
1335
1336        buf = dma->buflist[vertex->idx];
1337        buf_priv = buf->dev_private;
1338
1339        if (buf->file_priv != file_priv) {
1340                DRM_ERROR("process %d using buffer owned by %p\n",
1341                          DRM_CURRENTPID, buf->file_priv);
1342                return -EINVAL;
1343        }
1344        if (buf->pending) {
1345                DRM_ERROR("sending pending buffer %d\n", vertex->idx);
1346                return -EINVAL;
1347        }
1348
1349        buf->used = vertex->count;
1350        buf_priv->prim = vertex->prim;
1351        buf_priv->discard = vertex->discard;
1352
1353        r128_cce_dispatch_vertex(dev, buf);
1354
1355        COMMIT_RING();
1356        return 0;
1357}
1358
1359static int r128_cce_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
1360{
1361        drm_r128_private_t *dev_priv = dev->dev_private;
1362        struct drm_device_dma *dma = dev->dma;
1363        struct drm_buf *buf;
1364        drm_r128_buf_priv_t *buf_priv;
1365        drm_r128_indices_t *elts = data;
1366        int count;
1367
1368        LOCK_TEST_WITH_RETURN(dev, file_priv);
1369
1370        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1371
1372        DRM_DEBUG("pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID,
1373                  elts->idx, elts->start, elts->end, elts->discard);
1374
1375        if (elts->idx < 0 || elts->idx >= dma->buf_count) {
1376                DRM_ERROR("buffer index %d (of %d max)\n",
1377                          elts->idx, dma->buf_count - 1);
1378                return -EINVAL;
1379        }
1380        if (elts->prim < 0 ||
1381            elts->prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2) {
1382                DRM_ERROR("buffer prim %d\n", elts->prim);
1383                return -EINVAL;
1384        }
1385
1386        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1387        VB_AGE_TEST_WITH_RETURN(dev_priv);
1388
1389        buf = dma->buflist[elts->idx];
1390        buf_priv = buf->dev_private;
1391
1392        if (buf->file_priv != file_priv) {
1393                DRM_ERROR("process %d using buffer owned by %p\n",
1394                          DRM_CURRENTPID, buf->file_priv);
1395                return -EINVAL;
1396        }
1397        if (buf->pending) {
1398                DRM_ERROR("sending pending buffer %d\n", elts->idx);
1399                return -EINVAL;
1400        }
1401
1402        count = (elts->end - elts->start) / sizeof(u16);
1403        elts->start -= R128_INDEX_PRIM_OFFSET;
1404
1405        if (elts->start & 0x7) {
1406                DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
1407                return -EINVAL;
1408        }
1409        if (elts->start < buf->used) {
1410                DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
1411                return -EINVAL;
1412        }
1413
1414        buf->used = elts->end;
1415        buf_priv->prim = elts->prim;
1416        buf_priv->discard = elts->discard;
1417
1418        r128_cce_dispatch_indices(dev, buf, elts->start, elts->end, count);
1419
1420        COMMIT_RING();
1421        return 0;
1422}
1423
1424static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *file_priv)
1425{
1426        struct drm_device_dma *dma = dev->dma;
1427        drm_r128_private_t *dev_priv = dev->dev_private;
1428        drm_r128_blit_t *blit = data;
1429        int ret;
1430
1431        LOCK_TEST_WITH_RETURN(dev, file_priv);
1432
1433        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1434
1435        DRM_DEBUG("pid=%d index=%d\n", DRM_CURRENTPID, blit->idx);
1436
1437        if (blit->idx < 0 || blit->idx >= dma->buf_count) {
1438                DRM_ERROR("buffer index %d (of %d max)\n",
1439                          blit->idx, dma->buf_count - 1);
1440                return -EINVAL;
1441        }
1442
1443        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1444        VB_AGE_TEST_WITH_RETURN(dev_priv);
1445
1446        ret = r128_cce_dispatch_blit(dev, file_priv, blit);
1447
1448        COMMIT_RING();
1449        return ret;
1450}
1451
1452int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv)
1453{
1454        drm_r128_private_t *dev_priv = dev->dev_private;
1455        drm_r128_depth_t *depth = data;
1456        int ret;
1457
1458        LOCK_TEST_WITH_RETURN(dev, file_priv);
1459
1460        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1461
1462        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1463
1464        ret = -EINVAL;
1465        switch (depth->func) {
1466        case R128_WRITE_SPAN:
1467                ret = r128_cce_dispatch_write_span(dev, depth);
1468                break;
1469        case R128_WRITE_PIXELS:
1470                ret = r128_cce_dispatch_write_pixels(dev, depth);
1471                break;
1472        case R128_READ_SPAN:
1473                ret = r128_cce_dispatch_read_span(dev, depth);
1474                break;
1475        case R128_READ_PIXELS:
1476                ret = r128_cce_dispatch_read_pixels(dev, depth);
1477                break;
1478        }
1479
1480        COMMIT_RING();
1481        return ret;
1482}
1483
1484int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
1485{
1486        drm_r128_private_t *dev_priv = dev->dev_private;
1487        drm_r128_stipple_t *stipple = data;
1488        u32 mask[32];
1489
1490        LOCK_TEST_WITH_RETURN(dev, file_priv);
1491
1492        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1493
1494        if (copy_from_user(&mask, stipple->mask, 32 * sizeof(u32)))
1495                return -EFAULT;
1496
1497        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1498
1499        r128_cce_dispatch_stipple(dev, mask);
1500
1501        COMMIT_RING();
1502        return 0;
1503}
1504
1505static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
1506{
1507        drm_r128_private_t *dev_priv = dev->dev_private;
1508        struct drm_device_dma *dma = dev->dma;
1509        struct drm_buf *buf;
1510        drm_r128_buf_priv_t *buf_priv;
1511        drm_r128_indirect_t *indirect = data;
1512#if 0
1513        RING_LOCALS;
1514#endif
1515
1516        LOCK_TEST_WITH_RETURN(dev, file_priv);
1517
1518        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1519
1520        DRM_DEBUG("idx=%d s=%d e=%d d=%d\n",
1521                  indirect->idx, indirect->start, indirect->end,
1522                  indirect->discard);
1523
1524        if (indirect->idx < 0 || indirect->idx >= dma->buf_count) {
1525                DRM_ERROR("buffer index %d (of %d max)\n",
1526                          indirect->idx, dma->buf_count - 1);
1527                return -EINVAL;
1528        }
1529
1530        buf = dma->buflist[indirect->idx];
1531        buf_priv = buf->dev_private;
1532
1533        if (buf->file_priv != file_priv) {
1534                DRM_ERROR("process %d using buffer owned by %p\n",
1535                          DRM_CURRENTPID, buf->file_priv);
1536                return -EINVAL;
1537        }
1538        if (buf->pending) {
1539                DRM_ERROR("sending pending buffer %d\n", indirect->idx);
1540                return -EINVAL;
1541        }
1542
1543        if (indirect->start < buf->used) {
1544                DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
1545                          indirect->start, buf->used);
1546                return -EINVAL;
1547        }
1548
1549        RING_SPACE_TEST_WITH_RETURN(dev_priv);
1550        VB_AGE_TEST_WITH_RETURN(dev_priv);
1551
1552        buf->used = indirect->end;
1553        buf_priv->discard = indirect->discard;
1554
1555#if 0
1556        /* Wait for the 3D stream to idle before the indirect buffer
1557         * containing 2D acceleration commands is processed.
1558         */
1559        BEGIN_RING(2);
1560        RADEON_WAIT_UNTIL_3D_IDLE();
1561        ADVANCE_RING();
1562#endif
1563
1564        /* Dispatch the indirect buffer full of commands from the
1565         * X server.  This is insecure and is thus only available to
1566         * privileged clients.
1567         */
1568        r128_cce_dispatch_indirect(dev, buf, indirect->start, indirect->end);
1569
1570        COMMIT_RING();
1571        return 0;
1572}
1573
1574int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
1575{
1576        drm_r128_private_t *dev_priv = dev->dev_private;
1577        drm_r128_getparam_t *param = data;
1578        int value;
1579
1580        DEV_INIT_TEST_WITH_RETURN(dev_priv);
1581
1582        DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
1583
1584        switch (param->param) {
1585        case R128_PARAM_IRQ_NR:
1586                value = dev->pdev->irq;
1587                break;
1588        default:
1589                return -EINVAL;
1590        }
1591
1592        if (copy_to_user(param->value, &value, sizeof(int))) {
1593                DRM_ERROR("copy_to_user\n");
1594                return -EFAULT;
1595        }
1596
1597        return 0;
1598}
1599
1600void r128_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
1601{
1602        if (dev->dev_private) {
1603                drm_r128_private_t *dev_priv = dev->dev_private;
1604                if (dev_priv->page_flipping)
1605                        r128_do_cleanup_pageflip(dev);
1606        }
1607}
1608void r128_driver_lastclose(struct drm_device *dev)
1609{
1610        r128_do_cleanup_cce(dev);
1611}
1612
1613const struct drm_ioctl_desc r128_ioctls[] = {
1614        DRM_IOCTL_DEF_DRV(R128_INIT, r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1615        DRM_IOCTL_DEF_DRV(R128_CCE_START, r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1616        DRM_IOCTL_DEF_DRV(R128_CCE_STOP, r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1617        DRM_IOCTL_DEF_DRV(R128_CCE_RESET, r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1618        DRM_IOCTL_DEF_DRV(R128_CCE_IDLE, r128_cce_idle, DRM_AUTH),
1619        DRM_IOCTL_DEF_DRV(R128_RESET, r128_engine_reset, DRM_AUTH),
1620        DRM_IOCTL_DEF_DRV(R128_FULLSCREEN, r128_fullscreen, DRM_AUTH),
1621        DRM_IOCTL_DEF_DRV(R128_SWAP, r128_cce_swap, DRM_AUTH),
1622        DRM_IOCTL_DEF_DRV(R128_FLIP, r128_cce_flip, DRM_AUTH),
1623        DRM_IOCTL_DEF_DRV(R128_CLEAR, r128_cce_clear, DRM_AUTH),
1624        DRM_IOCTL_DEF_DRV(R128_VERTEX, r128_cce_vertex, DRM_AUTH),
1625        DRM_IOCTL_DEF_DRV(R128_INDICES, r128_cce_indices, DRM_AUTH),
1626        DRM_IOCTL_DEF_DRV(R128_BLIT, r128_cce_blit, DRM_AUTH),
1627        DRM_IOCTL_DEF_DRV(R128_DEPTH, r128_cce_depth, DRM_AUTH),
1628        DRM_IOCTL_DEF_DRV(R128_STIPPLE, r128_cce_stipple, DRM_AUTH),
1629        DRM_IOCTL_DEF_DRV(R128_INDIRECT, r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
1630        DRM_IOCTL_DEF_DRV(R128_GETPARAM, r128_getparam, DRM_AUTH),
1631};
1632
1633int r128_max_ioctl = ARRAY_SIZE(r128_ioctls);
1634