drivers/gpu/drm/radeon/radeon_state.c

   1 /* radeon_state.c -- State support for Radeon -*- linux-c -*- */
   2 /*
   3  * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Gareth Hughes <gareth@valinux.com>
  27  *    Kevin E. Martin <martin@valinux.com>
  28  */
  29
  30 #include "drmP.h"
  31 #include "drm.h"
  32 #include "drm_sarea.h"
  33 #include "radeon_drm.h"
  34 #include "radeon_drv.h"
  35
  36 /* ================================================================
  37  * Helper functions for client state checking and fixup
  38  */
  39
  40 static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
  41                                                     dev_priv,
  42                                                     struct drm_file * file_priv,
  43                                                     u32 *offset)
  44 {
  45         u64 off = *offset;
  46         u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1;
  47         struct drm_radeon_driver_file_fields *radeon_priv;
  48
  49         /* Hrm ... the story of the offset ... So this function converts
  50          * the various ideas of what userland clients might have for an
  51          * offset in the card address space into an offset into the card
  52          * address space :) So with a sane client, it should just keep
  53          * the value intact and just do some boundary checking. However,
  54          * not all clients are sane. Some older clients pass us 0 based
  55          * offsets relative to the start of the framebuffer and some may
  56          * assume the AGP aperture it appended to the framebuffer, so we
  57          * try to detect those cases and fix them up.
  58          *
  59          * Note: It might be a good idea here to make sure the offset lands
  60          * in some "allowed" area to protect things like the PCIE GART...
  61          */
  62
  63         /* First, the best case, the offset already lands in either the
  64          * framebuffer or the GART mapped space
  65          */
  66         if (radeon_check_offset(dev_priv, off))
  67                 return 0;
  68
  69         /* Ok, that didn't happen... now check if we have a zero based
  70          * offset that fits in the framebuffer + gart space, apply the
  71          * magic offset we get from SETPARAM or calculated from fb_location
  72          */
  73         if (off < (dev_priv->fb_size + dev_priv->gart_size)) {
  74                 radeon_priv = file_priv->driver_priv;
  75                 off += radeon_priv->radeon_fb_delta;
  76         }
  77
  78         /* Finally, assume we aimed at a GART offset if beyond the fb */
  79         if (off > fb_end)
  80                 off = off - fb_end - 1 + dev_priv->gart_vm_start;
  81
  82         /* Now recheck and fail if out of bounds */
  83         if (radeon_check_offset(dev_priv, off)) {
  84                 DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
  85                 *offset = off;
  86                 return 0;
  87         }
  88         return -EINVAL;
  89 }
  90
  91 static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
  92                                                      dev_priv,
  93                                                      struct drm_file *file_priv,
  94                                                      int id, u32 *data)
  95 {
  96         switch (id) {
  97
  98         case RADEON_EMIT_PP_MISC:
  99                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 100                     &data[(RADEON_RB3D_DEPTHOFFSET - RADEON_PP_MISC) / 4])) {
 101                         DRM_ERROR("Invalid depth buffer offset\n");
 102                         return -EINVAL;
 103                 }
 104                 break;
 105
 106         case RADEON_EMIT_PP_CNTL:
 107                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 108                     &data[(RADEON_RB3D_COLOROFFSET - RADEON_PP_CNTL) / 4])) {
 109                         DRM_ERROR("Invalid colour buffer offset\n");
 110                         return -EINVAL;
 111                 }
 112                 break;
 113
 114         case R200_EMIT_PP_TXOFFSET_0:
 115         case R200_EMIT_PP_TXOFFSET_1:
 116         case R200_EMIT_PP_TXOFFSET_2:
 117         case R200_EMIT_PP_TXOFFSET_3:
 118         case R200_EMIT_PP_TXOFFSET_4:
 119         case R200_EMIT_PP_TXOFFSET_5:
 120                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 121                                                   &data[0])) {
 122                         DRM_ERROR("Invalid R200 texture offset\n");
 123                         return -EINVAL;
 124                 }
 125                 break;
 126
 127         case RADEON_EMIT_PP_TXFILTER_0:
 128         case RADEON_EMIT_PP_TXFILTER_1:
 129         case RADEON_EMIT_PP_TXFILTER_2:
 130                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 131                     &data[(RADEON_PP_TXOFFSET_0 - RADEON_PP_TXFILTER_0) / 4])) {
 132                         DRM_ERROR("Invalid R100 texture offset\n");
 133                         return -EINVAL;
 134                 }
 135                 break;
 136
 137         case R200_EMIT_PP_CUBIC_OFFSETS_0:
 138         case R200_EMIT_PP_CUBIC_OFFSETS_1:
 139         case R200_EMIT_PP_CUBIC_OFFSETS_2:
 140         case R200_EMIT_PP_CUBIC_OFFSETS_3:
 141         case R200_EMIT_PP_CUBIC_OFFSETS_4:
 142         case R200_EMIT_PP_CUBIC_OFFSETS_5:{
 143                         int i;
 144                         for (i = 0; i < 5; i++) {
 145                                 if (radeon_check_and_fixup_offset(dev_priv,
 146                                                                   file_priv,
 147                                                                   &data[i])) {
 148                                         DRM_ERROR
 149                                             ("Invalid R200 cubic texture offset\n");
 150                                         return -EINVAL;
 151                                 }
 152                         }
 153                         break;
 154                 }
 155
 156         case RADEON_EMIT_PP_CUBIC_OFFSETS_T0:
 157         case RADEON_EMIT_PP_CUBIC_OFFSETS_T1:
 158         case RADEON_EMIT_PP_CUBIC_OFFSETS_T2:{
 159                         int i;
 160                         for (i = 0; i < 5; i++) {
 161                                 if (radeon_check_and_fixup_offset(dev_priv,
 162                                                                   file_priv,
 163                                                                   &data[i])) {
 164                                         DRM_ERROR
 165                                             ("Invalid R100 cubic texture offset\n");
 166                                         return -EINVAL;
 167                                 }
 168                         }
 169                 }
 170                 break;
 171
 172         case R200_EMIT_VAP_CTL:{
 173                         RING_LOCALS;
 174                         BEGIN_RING(2);
 175                         OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
 176                         ADVANCE_RING();
 177                 }
 178                 break;
 179
 180         case RADEON_EMIT_RB3D_COLORPITCH:
 181         case RADEON_EMIT_RE_LINE_PATTERN:
 182         case RADEON_EMIT_SE_LINE_WIDTH:
 183         case RADEON_EMIT_PP_LUM_MATRIX:
 184         case RADEON_EMIT_PP_ROT_MATRIX_0:
 185         case RADEON_EMIT_RB3D_STENCILREFMASK:
 186         case RADEON_EMIT_SE_VPORT_XSCALE:
 187         case RADEON_EMIT_SE_CNTL:
 188         case RADEON_EMIT_SE_CNTL_STATUS:
 189         case RADEON_EMIT_RE_MISC:
 190         case RADEON_EMIT_PP_BORDER_COLOR_0:
 191         case RADEON_EMIT_PP_BORDER_COLOR_1:
 192         case RADEON_EMIT_PP_BORDER_COLOR_2:
 193         case RADEON_EMIT_SE_ZBIAS_FACTOR:
 194         case RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT:
 195         case RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED:
 196         case R200_EMIT_PP_TXCBLEND_0:
 197         case R200_EMIT_PP_TXCBLEND_1:
 198         case R200_EMIT_PP_TXCBLEND_2:
 199         case R200_EMIT_PP_TXCBLEND_3:
 200         case R200_EMIT_PP_TXCBLEND_4:
 201         case R200_EMIT_PP_TXCBLEND_5:
 202         case R200_EMIT_PP_TXCBLEND_6:
 203         case R200_EMIT_PP_TXCBLEND_7:
 204         case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
 205         case R200_EMIT_TFACTOR_0:
 206         case R200_EMIT_VTX_FMT_0:
 207         case R200_EMIT_MATRIX_SELECT_0:
 208         case R200_EMIT_TEX_PROC_CTL_2:
 209         case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
 210         case R200_EMIT_PP_TXFILTER_0:
 211         case R200_EMIT_PP_TXFILTER_1:
 212         case R200_EMIT_PP_TXFILTER_2:
 213         case R200_EMIT_PP_TXFILTER_3:
 214         case R200_EMIT_PP_TXFILTER_4:
 215         case R200_EMIT_PP_TXFILTER_5:
 216         case R200_EMIT_VTE_CNTL:
 217         case R200_EMIT_OUTPUT_VTX_COMP_SEL:
 218         case R200_EMIT_PP_TAM_DEBUG3:
 219         case R200_EMIT_PP_CNTL_X:
 220         case R200_EMIT_RB3D_DEPTHXY_OFFSET:
 221         case R200_EMIT_RE_AUX_SCISSOR_CNTL:
 222         case R200_EMIT_RE_SCISSOR_TL_0:
 223         case R200_EMIT_RE_SCISSOR_TL_1:
 224         case R200_EMIT_RE_SCISSOR_TL_2:
 225         case R200_EMIT_SE_VAP_CNTL_STATUS:
 226         case R200_EMIT_SE_VTX_STATE_CNTL:
 227         case R200_EMIT_RE_POINTSIZE:
 228         case R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0:
 229         case R200_EMIT_PP_CUBIC_FACES_0:
 230         case R200_EMIT_PP_CUBIC_FACES_1:
 231         case R200_EMIT_PP_CUBIC_FACES_2:
 232         case R200_EMIT_PP_CUBIC_FACES_3:
 233         case R200_EMIT_PP_CUBIC_FACES_4:
 234         case R200_EMIT_PP_CUBIC_FACES_5:
 235         case RADEON_EMIT_PP_TEX_SIZE_0:
 236         case RADEON_EMIT_PP_TEX_SIZE_1:
 237         case RADEON_EMIT_PP_TEX_SIZE_2:
 238         case R200_EMIT_RB3D_BLENDCOLOR:
 239         case R200_EMIT_TCL_POINT_SPRITE_CNTL:
 240         case RADEON_EMIT_PP_CUBIC_FACES_0:
 241         case RADEON_EMIT_PP_CUBIC_FACES_1:
 242         case RADEON_EMIT_PP_CUBIC_FACES_2:
 243         case R200_EMIT_PP_TRI_PERF_CNTL:
 244         case R200_EMIT_PP_AFS_0:
 245         case R200_EMIT_PP_AFS_1:
 246         case R200_EMIT_ATF_TFACTOR:
 247         case R200_EMIT_PP_TXCTLALL_0:
 248         case R200_EMIT_PP_TXCTLALL_1:
 249         case R200_EMIT_PP_TXCTLALL_2:
 250         case R200_EMIT_PP_TXCTLALL_3:
 251         case R200_EMIT_PP_TXCTLALL_4:
 252         case R200_EMIT_PP_TXCTLALL_5:
 253         case R200_EMIT_VAP_PVS_CNTL:
 254                 /* These packets don't contain memory offsets */
 255                 break;
 256
 257         default:
 258                 DRM_ERROR("Unknown state packet ID %d\n", id);
 259                 return -EINVAL;
 260         }
 261
 262         return 0;
 263 }
 264
 265 static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 266                                                      dev_priv,
 267                                                      struct drm_file *file_priv,
 268                                                      drm_radeon_kcmd_buffer_t *
 269                                                      cmdbuf,
 270                                                      unsigned int *cmdsz)
 271 {
 272         u32 *cmd = (u32 *) cmdbuf->buf;
 273         u32 offset, narrays;
 274         int count, i, k;
 275
 276         *cmdsz = 2 + ((cmd[0] & RADEON_CP_PACKET_COUNT_MASK) >> 16);
 277
 278         if ((cmd[0] & 0xc0000000) != RADEON_CP_PACKET3) {
 279                 DRM_ERROR("Not a type 3 packet\n");
 280                 return -EINVAL;
 281         }
 282
 283         if (4 * *cmdsz > cmdbuf->bufsz) {
 284                 DRM_ERROR("Packet size larger than size of data provided\n");
 285                 return -EINVAL;
 286         }
 287
 288         switch(cmd[0] & 0xff00) {
 289         /* XXX Are there old drivers needing other packets? */
 290
 291         case RADEON_3D_DRAW_IMMD:
 292         case RADEON_3D_DRAW_VBUF:
 293         case RADEON_3D_DRAW_INDX:
 294         case RADEON_WAIT_FOR_IDLE:
 295         case RADEON_CP_NOP:
 296         case RADEON_3D_CLEAR_ZMASK:
 297 /*      case RADEON_CP_NEXT_CHAR:
 298         case RADEON_CP_PLY_NEXTSCAN:
 299         case RADEON_CP_SET_SCISSORS: */ /* probably safe but will never need them? */
 300                 /* these packets are safe */
 301                 break;
 302
 303         case RADEON_CP_3D_DRAW_IMMD_2:
 304         case RADEON_CP_3D_DRAW_VBUF_2:
 305         case RADEON_CP_3D_DRAW_INDX_2:
 306         case RADEON_3D_CLEAR_HIZ:
 307                 /* safe but r200 only */
 308                 if (dev_priv->microcode_version != UCODE_R200) {
 309                         DRM_ERROR("Invalid 3d packet for r100-class chip\n");
 310                         return -EINVAL;
 311                 }
 312                 break;
 313
 314         case RADEON_3D_LOAD_VBPNTR:
 315                 count = (cmd[0] >> 16) & 0x3fff;
 316
 317                 if (count > 18) { /* 12 arrays max */
 318                         DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
 319                                   count);
 320                         return -EINVAL;
 321                 }
 322
 323                 /* carefully check packet contents */
 324                 narrays = cmd[1] & ~0xc000;
 325                 k = 0;
 326                 i = 2;
 327                 while ((k < narrays) && (i < (count + 2))) {
 328                         i++;            /* skip attribute field */
 329                         if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 330                                                           &cmd[i])) {
 331                                 DRM_ERROR
 332                                     ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
 333                                      k, i);
 334                                 return -EINVAL;
 335                         }
 336                         k++;
 337                         i++;
 338                         if (k == narrays)
 339                                 break;
 340                         /* have one more to process, they come in pairs */
 341                         if (radeon_check_and_fixup_offset(dev_priv,
 342                                                           file_priv, &cmd[i]))
 343                         {
 344                                 DRM_ERROR
 345                                     ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
 346                                      k, i);
 347                                 return -EINVAL;
 348                         }
 349                         k++;
 350                         i++;
 351                 }
 352                 /* do the counts match what we expect ? */
 353                 if ((k != narrays) || (i != (count + 2))) {
 354                         DRM_ERROR
 355                             ("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n",
 356                               k, i, narrays, count + 1);
 357                         return -EINVAL;
 358                 }
 359                 break;
 360
 361         case RADEON_3D_RNDR_GEN_INDX_PRIM:
 362                 if (dev_priv->microcode_version != UCODE_R100) {
 363                         DRM_ERROR("Invalid 3d packet for r200-class chip\n");
 364                         return -EINVAL;
 365                 }
 366                 if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[1])) {
 367                                 DRM_ERROR("Invalid rndr_gen_indx offset\n");
 368                                 return -EINVAL;
 369                 }
 370                 break;
 371
 372         case RADEON_CP_INDX_BUFFER:
 373                 if (dev_priv->microcode_version != UCODE_R200) {
 374                         DRM_ERROR("Invalid 3d packet for r100-class chip\n");
 375                         return -EINVAL;
 376                 }
 377                 if ((cmd[1] & 0x8000ffff) != 0x80000810) {
 378                         DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
 379                         return -EINVAL;
 380                 }
 381                 if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[2])) {
 382                         DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
 383                         return -EINVAL;
 384                 }
 385                 break;
 386
 387         case RADEON_CNTL_HOSTDATA_BLT:
 388         case RADEON_CNTL_PAINT_MULTI:
 389         case RADEON_CNTL_BITBLT_MULTI:
 390                 /* MSB of opcode: next DWORD GUI_CNTL */
 391                 if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
 392                               | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
 393                         offset = cmd[2] << 10;
 394                         if (radeon_check_and_fixup_offset
 395                             (dev_priv, file_priv, &offset)) {
 396                                 DRM_ERROR("Invalid first packet offset\n");
 397                                 return -EINVAL;
 398                         }
 399                         cmd[2] = (cmd[2] & 0xffc00000) | offset >> 10;
 400                 }
 401
 402                 if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
 403                     (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
 404                         offset = cmd[3] << 10;
 405                         if (radeon_check_and_fixup_offset
 406                             (dev_priv, file_priv, &offset)) {
 407                                 DRM_ERROR("Invalid second packet offset\n");
 408                                 return -EINVAL;
 409                         }
 410                         cmd[3] = (cmd[3] & 0xffc00000) | offset >> 10;
 411                 }
 412                 break;
 413
 414         default:
 415                 DRM_ERROR("Invalid packet type %x\n", cmd[0] & 0xff00);
 416                 return -EINVAL;
 417         }
 418
 419         return 0;
 420 }
 421
 422 /* ================================================================
 423  * CP hardware state programming functions
 424  */
 425
 426 static __inline__ void radeon_emit_clip_rect(drm_radeon_private_t * dev_priv,
 427                                              struct drm_clip_rect * box)
 428 {
 429         RING_LOCALS;
 430
 431         DRM_DEBUG("   box:  x1=%d y1=%d  x2=%d y2=%d\n",
 432                   box->x1, box->y1, box->x2, box->y2);
 433
 434         BEGIN_RING(4);
 435         OUT_RING(CP_PACKET0(RADEON_RE_TOP_LEFT, 0));
 436         OUT_RING((box->y1 << 16) | box->x1);
 437         OUT_RING(CP_PACKET0(RADEON_RE_WIDTH_HEIGHT, 0));
 438         OUT_RING(((box->y2 - 1) << 16) | (box->x2 - 1));
 439         ADVANCE_RING();
 440 }
 441
 442 /* Emit 1.1 state
 443  */
 444 static int radeon_emit_state(drm_radeon_private_t * dev_priv,
 445                              struct drm_file *file_priv,
 446                              drm_radeon_context_regs_t * ctx,
 447                              drm_radeon_texture_regs_t * tex,
 448                              unsigned int dirty)
 449 {
 450         RING_LOCALS;
 451         DRM_DEBUG("dirty=0x%08x\n", dirty);
 452
 453         if (dirty & RADEON_UPLOAD_CONTEXT) {
 454                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 455                                                   &ctx->rb3d_depthoffset)) {
 456                         DRM_ERROR("Invalid depth buffer offset\n");
 457                         return -EINVAL;
 458                 }
 459
 460                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 461                                                   &ctx->rb3d_coloroffset)) {
 462                         DRM_ERROR("Invalid depth buffer offset\n");
 463                         return -EINVAL;
 464                 }
 465
 466                 BEGIN_RING(14);
 467                 OUT_RING(CP_PACKET0(RADEON_PP_MISC, 6));
 468                 OUT_RING(ctx->pp_misc);
 469                 OUT_RING(ctx->pp_fog_color);
 470                 OUT_RING(ctx->re_solid_color);
 471                 OUT_RING(ctx->rb3d_blendcntl);
 472                 OUT_RING(ctx->rb3d_depthoffset);
 473                 OUT_RING(ctx->rb3d_depthpitch);
 474                 OUT_RING(ctx->rb3d_zstencilcntl);
 475                 OUT_RING(CP_PACKET0(RADEON_PP_CNTL, 2));
 476                 OUT_RING(ctx->pp_cntl);
 477                 OUT_RING(ctx->rb3d_cntl);
 478                 OUT_RING(ctx->rb3d_coloroffset);
 479                 OUT_RING(CP_PACKET0(RADEON_RB3D_COLORPITCH, 0));
 480                 OUT_RING(ctx->rb3d_colorpitch);
 481                 ADVANCE_RING();
 482         }
 483
 484         if (dirty & RADEON_UPLOAD_VERTFMT) {
 485                 BEGIN_RING(2);
 486                 OUT_RING(CP_PACKET0(RADEON_SE_COORD_FMT, 0));
 487                 OUT_RING(ctx->se_coord_fmt);
 488                 ADVANCE_RING();
 489         }
 490
 491         if (dirty & RADEON_UPLOAD_LINE) {
 492                 BEGIN_RING(5);
 493                 OUT_RING(CP_PACKET0(RADEON_RE_LINE_PATTERN, 1));
 494                 OUT_RING(ctx->re_line_pattern);
 495                 OUT_RING(ctx->re_line_state);
 496                 OUT_RING(CP_PACKET0(RADEON_SE_LINE_WIDTH, 0));
 497                 OUT_RING(ctx->se_line_width);
 498                 ADVANCE_RING();
 499         }
 500
 501         if (dirty & RADEON_UPLOAD_BUMPMAP) {
 502                 BEGIN_RING(5);
 503                 OUT_RING(CP_PACKET0(RADEON_PP_LUM_MATRIX, 0));
 504                 OUT_RING(ctx->pp_lum_matrix);
 505                 OUT_RING(CP_PACKET0(RADEON_PP_ROT_MATRIX_0, 1));
 506                 OUT_RING(ctx->pp_rot_matrix_0);
 507                 OUT_RING(ctx->pp_rot_matrix_1);
 508                 ADVANCE_RING();
 509         }
 510
 511         if (dirty & RADEON_UPLOAD_MASKS) {
 512                 BEGIN_RING(4);
 513                 OUT_RING(CP_PACKET0(RADEON_RB3D_STENCILREFMASK, 2));
 514                 OUT_RING(ctx->rb3d_stencilrefmask);
 515                 OUT_RING(ctx->rb3d_ropcntl);
 516                 OUT_RING(ctx->rb3d_planemask);
 517                 ADVANCE_RING();
 518         }
 519
 520         if (dirty & RADEON_UPLOAD_VIEWPORT) {
 521                 BEGIN_RING(7);
 522                 OUT_RING(CP_PACKET0(RADEON_SE_VPORT_XSCALE, 5));
 523                 OUT_RING(ctx->se_vport_xscale);
 524                 OUT_RING(ctx->se_vport_xoffset);
 525                 OUT_RING(ctx->se_vport_yscale);
 526                 OUT_RING(ctx->se_vport_yoffset);
 527                 OUT_RING(ctx->se_vport_zscale);
 528                 OUT_RING(ctx->se_vport_zoffset);
 529                 ADVANCE_RING();
 530         }
 531
 532         if (dirty & RADEON_UPLOAD_SETUP) {
 533                 BEGIN_RING(4);
 534                 OUT_RING(CP_PACKET0(RADEON_SE_CNTL, 0));
 535                 OUT_RING(ctx->se_cntl);
 536                 OUT_RING(CP_PACKET0(RADEON_SE_CNTL_STATUS, 0));
 537                 OUT_RING(ctx->se_cntl_status);
 538                 ADVANCE_RING();
 539         }
 540
 541         if (dirty & RADEON_UPLOAD_MISC) {
 542                 BEGIN_RING(2);
 543                 OUT_RING(CP_PACKET0(RADEON_RE_MISC, 0));
 544                 OUT_RING(ctx->re_misc);
 545                 ADVANCE_RING();
 546         }
 547
 548         if (dirty & RADEON_UPLOAD_TEX0) {
 549                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 550                                                   &tex[0].pp_txoffset)) {
 551                         DRM_ERROR("Invalid texture offset for unit 0\n");
 552                         return -EINVAL;
 553                 }
 554
 555                 BEGIN_RING(9);
 556                 OUT_RING(CP_PACKET0(RADEON_PP_TXFILTER_0, 5));
 557                 OUT_RING(tex[0].pp_txfilter);
 558                 OUT_RING(tex[0].pp_txformat);
 559                 OUT_RING(tex[0].pp_txoffset);
 560                 OUT_RING(tex[0].pp_txcblend);
 561                 OUT_RING(tex[0].pp_txablend);
 562                 OUT_RING(tex[0].pp_tfactor);
 563                 OUT_RING(CP_PACKET0(RADEON_PP_BORDER_COLOR_0, 0));
 564                 OUT_RING(tex[0].pp_border_color);
 565                 ADVANCE_RING();
 566         }
 567
 568         if (dirty & RADEON_UPLOAD_TEX1) {
 569                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 570                                                   &tex[1].pp_txoffset)) {
 571                         DRM_ERROR("Invalid texture offset for unit 1\n");
 572                         return -EINVAL;
 573                 }
 574
 575                 BEGIN_RING(9);
 576                 OUT_RING(CP_PACKET0(RADEON_PP_TXFILTER_1, 5));
 577                 OUT_RING(tex[1].pp_txfilter);
 578                 OUT_RING(tex[1].pp_txformat);
 579                 OUT_RING(tex[1].pp_txoffset);
 580                 OUT_RING(tex[1].pp_txcblend);
 581                 OUT_RING(tex[1].pp_txablend);
 582                 OUT_RING(tex[1].pp_tfactor);
 583                 OUT_RING(CP_PACKET0(RADEON_PP_BORDER_COLOR_1, 0));
 584                 OUT_RING(tex[1].pp_border_color);
 585                 ADVANCE_RING();
 586         }
 587
 588         if (dirty & RADEON_UPLOAD_TEX2) {
 589                 if (radeon_check_and_fixup_offset(dev_priv, file_priv,
 590                                                   &tex[2].pp_txoffset)) {
 591                         DRM_ERROR("Invalid texture offset for unit 2\n");
 592                         return -EINVAL;
 593                 }
 594
 595                 BEGIN_RING(9);
 596                 OUT_RING(CP_PACKET0(RADEON_PP_TXFILTER_2, 5));
 597                 OUT_RING(tex[2].pp_txfilter);
 598                 OUT_RING(tex[2].pp_txformat);
 599                 OUT_RING(tex[2].pp_txoffset);
 600                 OUT_RING(tex[2].pp_txcblend);
 601                 OUT_RING(tex[2].pp_txablend);
 602                 OUT_RING(tex[2].pp_tfactor);
 603                 OUT_RING(CP_PACKET0(RADEON_PP_BORDER_COLOR_2, 0));
 604                 OUT_RING(tex[2].pp_border_color);
 605                 ADVANCE_RING();
 606         }
 607
 608         return 0;
 609 }
 610
 611 /* Emit 1.2 state
 612  */
 613 static int radeon_emit_state2(drm_radeon_private_t * dev_priv,
 614                               struct drm_file *file_priv,
 615                               drm_radeon_state_t * state)
 616 {
 617         RING_LOCALS;
 618
 619         if (state->dirty & RADEON_UPLOAD_ZBIAS) {
 620                 BEGIN_RING(3);
 621                 OUT_RING(CP_PACKET0(RADEON_SE_ZBIAS_FACTOR, 1));
 622                 OUT_RING(state->context2.se_zbias_factor);
 623                 OUT_RING(state->context2.se_zbias_constant);
 624                 ADVANCE_RING();
 625         }
 626
 627         return radeon_emit_state(dev_priv, file_priv, &state->context,
 628                                  state->tex, state->dirty);
 629 }
 630
 631 /* New (1.3) state mechanism.  3 commands (packet, scalar, vector) in
 632  * 1.3 cmdbuffers allow all previous state to be updated as well as
 633  * the tcl scalar and vector areas.
 634  */
 635 static struct {
 636         int start;
 637         int len;
 638         const char *name;
 639 } packet[RADEON_MAX_STATE_PACKETS] = {
 640         {RADEON_PP_MISC, 7, "RADEON_PP_MISC"},
 641         {RADEON_PP_CNTL, 3, "RADEON_PP_CNTL"},
 642         {RADEON_RB3D_COLORPITCH, 1, "RADEON_RB3D_COLORPITCH"},
 643         {RADEON_RE_LINE_PATTERN, 2, "RADEON_RE_LINE_PATTERN"},
 644         {RADEON_SE_LINE_WIDTH, 1, "RADEON_SE_LINE_WIDTH"},
 645         {RADEON_PP_LUM_MATRIX, 1, "RADEON_PP_LUM_MATRIX"},
 646         {RADEON_PP_ROT_MATRIX_0, 2, "RADEON_PP_ROT_MATRIX_0"},
 647         {RADEON_RB3D_STENCILREFMASK, 3, "RADEON_RB3D_STENCILREFMASK"},
 648         {RADEON_SE_VPORT_XSCALE, 6, "RADEON_SE_VPORT_XSCALE"},
 649         {RADEON_SE_CNTL, 2, "RADEON_SE_CNTL"},
 650         {RADEON_SE_CNTL_STATUS, 1, "RADEON_SE_CNTL_STATUS"},
 651         {RADEON_RE_MISC, 1, "RADEON_RE_MISC"},
 652         {RADEON_PP_TXFILTER_0, 6, "RADEON_PP_TXFILTER_0"},
 653         {RADEON_PP_BORDER_COLOR_0, 1, "RADEON_PP_BORDER_COLOR_0"},
 654         {RADEON_PP_TXFILTER_1, 6, "RADEON_PP_TXFILTER_1"},
 655         {RADEON_PP_BORDER_COLOR_1, 1, "RADEON_PP_BORDER_COLOR_1"},
 656         {RADEON_PP_TXFILTER_2, 6, "RADEON_PP_TXFILTER_2"},
 657         {RADEON_PP_BORDER_COLOR_2, 1, "RADEON_PP_BORDER_COLOR_2"},
 658         {RADEON_SE_ZBIAS_FACTOR, 2, "RADEON_SE_ZBIAS_FACTOR"},
 659         {RADEON_SE_TCL_OUTPUT_VTX_FMT, 11, "RADEON_SE_TCL_OUTPUT_VTX_FMT"},
 660         {RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED, 17,
 661                     "RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED"},
 662         {R200_PP_TXCBLEND_0, 4, "R200_PP_TXCBLEND_0"},
 663         {R200_PP_TXCBLEND_1, 4, "R200_PP_TXCBLEND_1"},
 664         {R200_PP_TXCBLEND_2, 4, "R200_PP_TXCBLEND_2"},
 665         {R200_PP_TXCBLEND_3, 4, "R200_PP_TXCBLEND_3"},
 666         {R200_PP_TXCBLEND_4, 4, "R200_PP_TXCBLEND_4"},
 667         {R200_PP_TXCBLEND_5, 4, "R200_PP_TXCBLEND_5"},
 668         {R200_PP_TXCBLEND_6, 4, "R200_PP_TXCBLEND_6"},
 669         {R200_PP_TXCBLEND_7, 4, "R200_PP_TXCBLEND_7"},
 670         {R200_SE_TCL_LIGHT_MODEL_CTL_0, 6, "R200_SE_TCL_LIGHT_MODEL_CTL_0"},
 671         {R200_PP_TFACTOR_0, 6, "R200_PP_TFACTOR_0"},
 672         {R200_SE_VTX_FMT_0, 4, "R200_SE_VTX_FMT_0"},
 673         {R200_SE_VAP_CNTL, 1, "R200_SE_VAP_CNTL"},
 674         {R200_SE_TCL_MATRIX_SEL_0, 5, "R200_SE_TCL_MATRIX_SEL_0"},
 675         {R200_SE_TCL_TEX_PROC_CTL_2, 5, "R200_SE_TCL_TEX_PROC_CTL_2"},
 676         {R200_SE_TCL_UCP_VERT_BLEND_CTL, 1, "R200_SE_TCL_UCP_VERT_BLEND_CTL"},
 677         {R200_PP_TXFILTER_0, 6, "R200_PP_TXFILTER_0"},
 678         {R200_PP_TXFILTER_1, 6, "R200_PP_TXFILTER_1"},
 679         {R200_PP_TXFILTER_2, 6, "R200_PP_TXFILTER_2"},
 680         {R200_PP_TXFILTER_3, 6, "R200_PP_TXFILTER_3"},
 681         {R200_PP_TXFILTER_4, 6, "R200_PP_TXFILTER_4"},
 682         {R200_PP_TXFILTER_5, 6, "R200_PP_TXFILTER_5"},
 683         {R200_PP_TXOFFSET_0, 1, "R200_PP_TXOFFSET_0"},
 684         {R200_PP_TXOFFSET_1, 1, "R200_PP_TXOFFSET_1"},
 685         {R200_PP_TXOFFSET_2, 1, "R200_PP_TXOFFSET_2"},
 686         {R200_PP_TXOFFSET_3, 1, "R200_PP_TXOFFSET_3"},
 687         {R200_PP_TXOFFSET_4, 1, "R200_PP_TXOFFSET_4"},
 688         {R200_PP_TXOFFSET_5, 1, "R200_PP_TXOFFSET_5"},
 689         {R200_SE_VTE_CNTL, 1, "R200_SE_VTE_CNTL"},
 690         {R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1,
 691          "R200_SE_TCL_OUTPUT_VTX_COMP_SEL"},
 692         {R200_PP_TAM_DEBUG3, 1, "R200_PP_TAM_DEBUG3"},
 693         {R200_PP_CNTL_X, 1, "R200_PP_CNTL_X"},
 694         {R200_RB3D_DEPTHXY_OFFSET, 1, "R200_RB3D_DEPTHXY_OFFSET"},
 695         {R200_RE_AUX_SCISSOR_CNTL, 1, "R200_RE_AUX_SCISSOR_CNTL"},
 696         {R200_RE_SCISSOR_TL_0, 2, "R200_RE_SCISSOR_TL_0"},
 697         {R200_RE_SCISSOR_TL_1, 2, "R200_RE_SCISSOR_TL_1"},
 698         {R200_RE_SCISSOR_TL_2, 2, "R200_RE_SCISSOR_TL_2"},
 699         {R200_SE_VAP_CNTL_STATUS, 1, "R200_SE_VAP_CNTL_STATUS"},
 700         {R200_SE_VTX_STATE_CNTL, 1, "R200_SE_VTX_STATE_CNTL"},
 701         {R200_RE_POINTSIZE, 1, "R200_RE_POINTSIZE"},
 702         {R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0, 4,
 703                     "R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0"},
 704         {R200_PP_CUBIC_FACES_0, 1, "R200_PP_CUBIC_FACES_0"},    /* 61 */
 705         {R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0"}, /* 62 */
 706         {R200_PP_CUBIC_FACES_1, 1, "R200_PP_CUBIC_FACES_1"},
 707         {R200_PP_CUBIC_OFFSET_F1_1, 5, "R200_PP_CUBIC_OFFSET_F1_1"},
 708         {R200_PP_CUBIC_FACES_2, 1, "R200_PP_CUBIC_FACES_2"},
 709         {R200_PP_CUBIC_OFFSET_F1_2, 5, "R200_PP_CUBIC_OFFSET_F1_2"},
 710         {R200_PP_CUBIC_FACES_3, 1, "R200_PP_CUBIC_FACES_3"},
 711         {R200_PP_CUBIC_OFFSET_F1_3, 5, "R200_PP_CUBIC_OFFSET_F1_3"},
 712         {R200_PP_CUBIC_FACES_4, 1, "R200_PP_CUBIC_FACES_4"},
 713         {R200_PP_CUBIC_OFFSET_F1_4, 5, "R200_PP_CUBIC_OFFSET_F1_4"},
 714         {R200_PP_CUBIC_FACES_5, 1, "R200_PP_CUBIC_FACES_5"},
 715         {R200_PP_CUBIC_OFFSET_F1_5, 5, "R200_PP_CUBIC_OFFSET_F1_5"},
 716         {RADEON_PP_TEX_SIZE_0, 2, "RADEON_PP_TEX_SIZE_0"},
 717         {RADEON_PP_TEX_SIZE_1, 2, "RADEON_PP_TEX_SIZE_1"},
 718         {RADEON_PP_TEX_SIZE_2, 2, "RADEON_PP_TEX_SIZE_2"},
 719         {R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR"},
 720         {R200_SE_TCL_POINT_SPRITE_CNTL, 1, "R200_SE_TCL_POINT_SPRITE_CNTL"},
 721         {RADEON_PP_CUBIC_FACES_0, 1, "RADEON_PP_CUBIC_FACES_0"},
 722         {RADEON_PP_CUBIC_OFFSET_T0_0, 5, "RADEON_PP_CUBIC_OFFSET_T0_0"},
 723         {RADEON_PP_CUBIC_FACES_1, 1, "RADEON_PP_CUBIC_FACES_1"},
 724         {RADEON_PP_CUBIC_OFFSET_T1_0, 5, "RADEON_PP_CUBIC_OFFSET_T1_0"},
 725         {RADEON_PP_CUBIC_FACES_2, 1, "RADEON_PP_CUBIC_FACES_2"},
 726         {RADEON_PP_CUBIC_OFFSET_T2_0, 5, "RADEON_PP_CUBIC_OFFSET_T2_0"},
 727         {R200_PP_TRI_PERF, 2, "R200_PP_TRI_PERF"},
 728         {R200_PP_AFS_0, 32, "R200_PP_AFS_0"},     /* 85 */
 729         {R200_PP_AFS_1, 32, "R200_PP_AFS_1"},
 730         {R200_PP_TFACTOR_0, 8, "R200_ATF_TFACTOR"},
 731         {R200_PP_TXFILTER_0, 8, "R200_PP_TXCTLALL_0"},
 732         {R200_PP_TXFILTER_1, 8, "R200_PP_TXCTLALL_1"},
 733         {R200_PP_TXFILTER_2, 8, "R200_PP_TXCTLALL_2"},
 734         {R200_PP_TXFILTER_3, 8, "R200_PP_TXCTLALL_3"},
 735         {R200_PP_TXFILTER_4, 8, "R200_PP_TXCTLALL_4"},
 736         {R200_PP_TXFILTER_5, 8, "R200_PP_TXCTLALL_5"},
 737         {R200_VAP_PVS_CNTL_1, 2, "R200_VAP_PVS_CNTL"},
 738 };
 739
 740 /* ================================================================
 741  * Performance monitoring functions
 742  */
 743
 744 static void radeon_clear_box(drm_radeon_private_t * dev_priv,
 745                              int x, int y, int w, int h, int r, int g, int b)
 746 {
 747         u32 color;
 748         RING_LOCALS;
 749
 750         x += dev_priv->sarea_priv->boxes[0].x1;
 751         y += dev_priv->sarea_priv->boxes[0].y1;
 752
 753         switch (dev_priv->color_fmt) {
 754         case RADEON_COLOR_FORMAT_RGB565:
 755                 color = (((r & 0xf8) << 8) |
 756                          ((g & 0xfc) << 3) | ((b & 0xf8) >> 3));
 757                 break;
 758         case RADEON_COLOR_FORMAT_ARGB8888:
 759         default:
 760                 color = (((0xff) << 24) | (r << 16) | (g << 8) | b);
 761                 break;
 762         }
 763
 764         BEGIN_RING(4);
 765         RADEON_WAIT_UNTIL_3D_IDLE();
 766         OUT_RING(CP_PACKET0(RADEON_DP_WRITE_MASK, 0));
 767         OUT_RING(0xffffffff);
 768         ADVANCE_RING();
 769
 770         BEGIN_RING(6);
 771
 772         OUT_RING(CP_PACKET3(RADEON_CNTL_PAINT_MULTI, 4));
 773         OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 774                  RADEON_GMC_BRUSH_SOLID_COLOR |
 775                  (dev_priv->color_fmt << 8) |
 776                  RADEON_GMC_SRC_DATATYPE_COLOR |
 777                  RADEON_ROP3_P | RADEON_GMC_CLR_CMP_CNTL_DIS);
 778
 779         if (dev_priv->sarea_priv->pfCurrentPage == 1) {
 780                 OUT_RING(dev_priv->front_pitch_offset);
 781         } else {
 782                 OUT_RING(dev_priv->back_pitch_offset);
 783         }
 784
 785         OUT_RING(color);
 786
 787         OUT_RING((x << 16) | y);
 788         OUT_RING((w << 16) | h);
 789
 790         ADVANCE_RING();
 791 }
 792
 793 static void radeon_cp_performance_boxes(drm_radeon_private_t * dev_priv)
 794 {
 795         /* Collapse various things into a wait flag -- trying to
 796          * guess if userspase slept -- better just to have them tell us.
 797          */
 798         if (dev_priv->stats.last_frame_reads > 1 ||
 799             dev_priv->stats.last_clear_reads > dev_priv->stats.clears) {
 800                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 801         }
 802
 803         if (dev_priv->stats.freelist_loops) {
 804                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 805         }
 806
 807         /* Purple box for page flipping
 808          */
 809         if (dev_priv->stats.boxes & RADEON_BOX_FLIP)
 810                 radeon_clear_box(dev_priv, 4, 4, 8, 8, 255, 0, 255);
 811
 812         /* Red box if we have to wait for idle at any point
 813          */
 814         if (dev_priv->stats.boxes & RADEON_BOX_WAIT_IDLE)
 815                 radeon_clear_box(dev_priv, 16, 4, 8, 8, 255, 0, 0);
 816
 817         /* Blue box: lost context?
 818          */
 819
 820         /* Yellow box for texture swaps
 821          */
 822         if (dev_priv->stats.boxes & RADEON_BOX_TEXTURE_LOAD)
 823                 radeon_clear_box(dev_priv, 40, 4, 8, 8, 255, 255, 0);
 824
 825         /* Green box if hardware never idles (as far as we can tell)
 826          */
 827         if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE))
 828                 radeon_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0);
 829
 830         /* Draw bars indicating number of buffers allocated
 831          * (not a great measure, easily confused)
 832          */
 833         if (dev_priv->stats.requested_bufs) {
 834                 if (dev_priv->stats.requested_bufs > 100)
 835                         dev_priv->stats.requested_bufs = 100;
 836
 837                 radeon_clear_box(dev_priv, 4, 16,
 838                                  dev_priv->stats.requested_bufs, 4,
 839                                  196, 128, 128);
 840         }
 841
 842         memset(&dev_priv->stats, 0, sizeof(dev_priv->stats));
 843
 844 }
 845
 846 /* ================================================================
 847  * CP command dispatch functions
 848  */
 849
 850 static void radeon_cp_dispatch_clear(struct drm_device * dev,
 851                                      drm_radeon_clear_t * clear,
 852                                      drm_radeon_clear_rect_t * depth_boxes)
 853 {
 854         drm_radeon_private_t *dev_priv = dev->dev_private;
 855         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
 856         drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear;
 857         int nbox = sarea_priv->nbox;
 858         struct drm_clip_rect *pbox = sarea_priv->boxes;
 859         unsigned int flags = clear->flags;
 860         u32 rb3d_cntl = 0, rb3d_stencilrefmask = 0;
 861         int i;
 862         RING_LOCALS;
 863         DRM_DEBUG("flags = 0x%x\n", flags);
 864
 865         dev_priv->stats.clears++;
 866
 867         if (dev_priv->sarea_priv->pfCurrentPage == 1) {
 868                 unsigned int tmp = flags;
 869
 870                 flags &= ~(RADEON_FRONT | RADEON_BACK);
 871                 if (tmp & RADEON_FRONT)
 872                         flags |= RADEON_BACK;
 873                 if (tmp & RADEON_BACK)
 874                         flags |= RADEON_FRONT;
 875         }
 876
 877         if (flags & (RADEON_FRONT | RADEON_BACK)) {
 878
 879                 BEGIN_RING(4);
 880
 881                 /* Ensure the 3D stream is idle before doing a
 882                  * 2D fill to clear the front or back buffer.
 883                  */
 884                 RADEON_WAIT_UNTIL_3D_IDLE();
 885
 886                 OUT_RING(CP_PACKET0(RADEON_DP_WRITE_MASK, 0));
 887                 OUT_RING(clear->color_mask);
 888
 889                 ADVANCE_RING();
 890
 891                 /* Make sure we restore the 3D state next time.
 892                  */
 893                 dev_priv->sarea_priv->ctx_owner = 0;
 894
 895                 for (i = 0; i < nbox; i++) {
 896                         int x = pbox[i].x1;
 897                         int y = pbox[i].y1;
 898                         int w = pbox[i].x2 - x;
 899                         int h = pbox[i].y2 - y;
 900
 901                         DRM_DEBUG("%d,%d-%d,%d flags 0x%x\n",
 902                                   x, y, w, h, flags);
 903
 904                         if (flags & RADEON_FRONT) {
 905                                 BEGIN_RING(6);
 906
 907                                 OUT_RING(CP_PACKET3
 908                                          (RADEON_CNTL_PAINT_MULTI, 4));
 909                                 OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 910                                          RADEON_GMC_BRUSH_SOLID_COLOR |
 911                                          (dev_priv->
 912                                           color_fmt << 8) |
 913                                          RADEON_GMC_SRC_DATATYPE_COLOR |
 914                                          RADEON_ROP3_P |
 915                                          RADEON_GMC_CLR_CMP_CNTL_DIS);
 916
 917                                 OUT_RING(dev_priv->front_pitch_offset);
 918                                 OUT_RING(clear->clear_color);
 919
 920                                 OUT_RING((x << 16) | y);
 921                                 OUT_RING((w << 16) | h);
 922
 923                                 ADVANCE_RING();
 924                         }
 925
 926                         if (flags & RADEON_BACK) {
 927                                 BEGIN_RING(6);
 928
 929                                 OUT_RING(CP_PACKET3
 930                                          (RADEON_CNTL_PAINT_MULTI, 4));
 931                                 OUT_RING(RADEON_GMC_DST_PITCH_OFFSET_CNTL |
 932                                          RADEON_GMC_BRUSH_SOLID_COLOR |
 933                                          (dev_priv->
 934                                           color_fmt << 8) |
 935                                          RADEON_GMC_SRC_DATATYPE_COLOR |
 936                                          RADEON_ROP3_P |
 937                                          RADEON_GMC_CLR_CMP_CNTL_DIS);
 938
 939                                 OUT_RING(dev_priv->back_pitch_offset);
 940                                 OUT_RING(clear->clear_color);
 941
 942                                 OUT_RING((x << 16) | y);
 943                                 OUT_RING((w << 16) | h);
 944
 945                                 ADVANCE_RING();
 946                         }
 947                 }
 948         }
 949
 950         /* hyper z clear */
 951         /* no docs available, based on reverse engeneering by Stephane Marchesin */
 952         if ((flags & (RADEON_DEPTH | RADEON_STENCIL))
 953             && (flags & RADEON_CLEAR_FASTZ)) {
 954
 955                 int i;
 956                 int depthpixperline =
 957                     dev_priv->depth_fmt ==
 958                     RADEON_DEPTH_FORMAT_16BIT_INT_Z ? (dev_priv->depth_pitch /
 959                                                        2) : (dev_priv->
 960                                                              depth_pitch / 4);
 961
 962                 u32 clearmask;
 963
 964                 u32 tempRB3D_DEPTHCLEARVALUE = clear->clear_depth |
 965                     ((clear->depth_mask & 0xff) << 24);
 966
 967                 /* Make sure we restore the 3D state next time.
 968                  * we haven't touched any "normal" state - still need this?
 969                  */
 970                 dev_priv->sarea_priv->ctx_owner = 0;
 971
 972                 if ((dev_priv->flags & RADEON_HAS_HIERZ)
 973                     && (flags & RADEON_USE_HIERZ)) {
 974                         /* FIXME : reverse engineer that for Rx00 cards */
 975                         /* FIXME : the mask supposedly contains low-res z values. So can't set
 976                            just to the max (0xff? or actually 0x3fff?), need to take z clear
 977                            value into account? */
 978                         /* pattern seems to work for r100, though get slight
 979                            rendering errors with glxgears. If hierz is not enabled for r100,
 980                            only 4 bits which indicate clear (15,16,31,32, all zero) matter, the
 981                            other ones are ignored, and the same clear mask can be used. That's
 982                            very different behaviour than R200 which needs different clear mask
 983                            and different number of tiles to clear if hierz is enabled or not !?!
 984                          */
 985                         clearmask = (0xff << 22) | (0xff << 6) | 0x003f003f;
 986                 } else {
 987                         /* clear mask : chooses the clearing pattern.
 988                            rv250: could be used to clear only parts of macrotiles
 989                            (but that would get really complicated...)?
 990                            bit 0 and 1 (either or both of them ?!?!) are used to
 991                            not clear tile (or maybe one of the bits indicates if the tile is
 992                            compressed or not), bit 2 and 3 to not clear tile 1,...,.
 993                            Pattern is as follows:
 994                            | 0,1 | 4,5 | 8,9 |12,13|16,17|20,21|24,25|28,29|
 995                            bits -------------------------------------------------
 996                            | 2,3 | 6,7 |10,11|14,15|18,19|22,23|26,27|30,31|
 997                            rv100: clearmask covers 2x8 4x1 tiles, but one clear still
 998                            covers 256 pixels ?!?
 999                          */
1000                         clearmask = 0x0;
1001                 }
1002
1003                 BEGIN_RING(8);
1004                 RADEON_WAIT_UNTIL_2D_IDLE();
1005                 OUT_RING_REG(RADEON_RB3D_DEPTHCLEARVALUE,
1006                              tempRB3D_DEPTHCLEARVALUE);
1007                 /* what offset is this exactly ? */
1008                 OUT_RING_REG(RADEON_RB3D_ZMASKOFFSET, 0);
1009                 /* need ctlstat, otherwise get some strange black flickering */
1010                 OUT_RING_REG(RADEON_RB3D_ZCACHE_CTLSTAT,
1011                              RADEON_RB3D_ZC_FLUSH_ALL);
1012                 ADVANCE_RING();
1013
1014                 for (i = 0; i < nbox; i++) {
1015                         int tileoffset, nrtilesx, nrtilesy, j;
1016                         /* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */
1017                         if ((dev_priv->flags & RADEON_HAS_HIERZ)
1018                             && !(dev_priv->microcode_version == UCODE_R200)) {
1019                                 /* FIXME : figure this out for r200 (when hierz is enabled). Or
1020                                    maybe r200 actually doesn't need to put the low-res z value into
1021                                    the tile cache like r100, but just needs to clear the hi-level z-buffer?
1022                                    Works for R100, both with hierz and without.
1023                                    R100 seems to operate on 2x1 8x8 tiles, but...
1024                                    odd: offset/nrtiles need to be 64 pix (4 block) aligned? Potentially
1025                                    problematic with resolutions which are not 64 pix aligned? */
1026                                 tileoffset =
1027                                     ((pbox[i].y1 >> 3) * depthpixperline +
1028                                      pbox[i].x1) >> 6;
1029                                 nrtilesx =
1030                                     ((pbox[i].x2 & ~63) -
1031                                      (pbox[i].x1 & ~63)) >> 4;
1032                                 nrtilesy =
1033                                     (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
1034                                 for (j = 0; j <= nrtilesy; j++) {
1035                                         BEGIN_RING(4);
1036                                         OUT_RING(CP_PACKET3
1037                                                  (RADEON_3D_CLEAR_ZMASK, 2));
1038                                         /* first tile */
1039                                         OUT_RING(tileoffset * 8);
1040                                         /* the number of tiles to clear */
1041                                         OUT_RING(nrtilesx + 4);
1042                                         /* clear mask : chooses the clearing pattern. */
1043                                         OUT_RING(clearmask);
1044                                         ADVANCE_RING();
1045                                         tileoffset += depthpixperline >> 6;
1046                                 }
1047                         } else if (dev_priv->microcode_version == UCODE_R200) {
1048                                 /* works for rv250. */
1049                                 /* find first macro tile (8x2 4x4 z-pixels on rv250) */
1050                                 tileoffset =
1051                                     ((pbox[i].y1 >> 3) * depthpixperline +
1052                                      pbox[i].x1) >> 5;
1053                                 nrtilesx =
1054                                     (pbox[i].x2 >> 5) - (pbox[i].x1 >> 5);
1055                                 nrtilesy =
1056                                     (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3);
1057                                 for (j = 0; j <= nrtilesy; j++) {
1058                                         BEGIN_RING(4);
1059                                         OUT_RING(CP_PACKET3
1060                                                  (RADEON_3D_CLEAR_ZMASK, 2));
1061                                         /* first tile */
1062                                         /* judging by the first tile offset needed, could possibly
1063                                            directly address/clear 4x4 tiles instead of 8x2 * 4x4
1064                                            macro tiles, though would still need clear mask for
1065                                            right/bottom if truely 4x4 granularity is desired ? */
1066                                         OUT_RING(tileoffset * 16);
1067                                         /* the number of tiles to clear */
1068                                         OUT_RING(nrtilesx + 1);
1069                                         /* clear mask : chooses the clearing pattern. */
1070                                         OUT_RING(clearmask);
1071                                         ADVANCE_RING();
1072                                         tileoffset += depthpixperline >> 5;
1073                                 }
1074                         } else {        /* rv 100 */
1075                                 /* rv100 might not need 64 pix alignment, who knows */
1076                                 /* offsets are, hmm, weird */
1077                                 tileoffset =
1078                                     ((pbox[i].y1 >> 4) * depthpixperline +
1079                                      pbox[i].x1) >> 6;
1080                                 nrtilesx =
1081                                     ((pbox[i].x2 & ~63) -
1082                                      (pbox[i].x1 & ~63)) >> 4;
1083                                 nrtilesy =
1084                                     (pbox[i].y2 >> 4) - (pbox[i].y1 >> 4);
1085                                 for (j = 0; j <= nrtilesy; j++) {
1086                                         BEGIN_RING(4);
1087                                         OUT_RING(CP_PACKET3
1088                                                  (RADEON_3D_CLEAR_ZMASK, 2));
1089                                         OUT_RING(tileoffset * 128);
1090                                         /* the number of tiles to clear */
1091                                         OUT_RING(nrtilesx + 4);
1092                                         /* clear mask : chooses the clearing pattern. */
1093                                         OUT_RING(clearmask);
1094                                         ADVANCE_RING();
1095                                         tileoffset += depthpixperline >> 6;
1096                                 }
1097                         }
1098                 }
1099
1100                 /* TODO don't always clear all hi-level z tiles */
1101                 if ((dev_priv->flags & RADEON_HAS_HIERZ)
1102                     && (dev_priv->microcode_version == UCODE_R200)
1103                     && (flags & RADEON_USE_HIERZ))
1104                         /* r100 and cards without hierarchical z-buffer have no high-level z-buffer */
1105                         /* FIXME : the mask supposedly contains low-res z values. So can't set
1106                            just to the max (0xff? or actually 0x3fff?), need to take z clear
1107                            value into account? */
1108                 {
1109                         BEGIN_RING(4);
1110                         OUT_RING(CP_PACKET3(RADEON_3D_CLEAR_HIZ, 2));
1111                         OUT_RING(0x0);  /* First tile */
1112                         OUT_RING(0x3cc0);
1113                         OUT_RING((0xff << 22) | (0xff << 6) | 0x003f003f);
1114                         ADVANCE_RING();
1115                 }
1116         }
1117
1118         /* We have to clear the depth and/or stencil buffers by
1119          * rendering a quad into just those buffers.  Thus, we have to
1120          * make sure the 3D engine is configured correctly.
1121          */
1122         else if ((dev_priv->microcode_version == UCODE_R200) &&
1123                 (flags & (RADEON_DEPTH | RADEON_STENCIL))) {
1124
1125                 int tempPP_CNTL;
1126                 int tempRE_CNTL;
1127                 int tempRB3D_CNTL;
1128                 int tempRB3D_ZSTENCILCNTL;
1129                 int tempRB3D_STENCILREFMASK;
1130                 int tempRB3D_PLANEMASK;
1131                 int tempSE_CNTL;
1132                 int tempSE_VTE_CNTL;
1133                 int tempSE_VTX_FMT_0;
1134                 int tempSE_VTX_FMT_1;
1135                 int tempSE_VAP_CNTL;
1136                 int tempRE_AUX_SCISSOR_CNTL;
1137
1138                 tempPP_CNTL = 0;
1139                 tempRE_CNTL = 0;
1140
1141                 tempRB3D_CNTL = depth_clear->rb3d_cntl;
1142
1143                 tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
1144                 tempRB3D_STENCILREFMASK = 0x0;
1145
1146                 tempSE_CNTL = depth_clear->se_cntl;
1147
1148                 /* Disable TCL */
1149
1150                 tempSE_VAP_CNTL = (     /* SE_VAP_CNTL__FORCE_W_TO_ONE_MASK |  */
1151                                           (0x9 <<
1152                                            SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT));
1153
1154                 tempRB3D_PLANEMASK = 0x0;
1155
1156                 tempRE_AUX_SCISSOR_CNTL = 0x0;
1157
1158                 tempSE_VTE_CNTL =
1159                     SE_VTE_CNTL__VTX_XY_FMT_MASK | SE_VTE_CNTL__VTX_Z_FMT_MASK;
1160
1161                 /* Vertex format (X, Y, Z, W) */
1162                 tempSE_VTX_FMT_0 =
1163                     SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK |
1164                     SE_VTX_FMT_0__VTX_W0_PRESENT_MASK;
1165                 tempSE_VTX_FMT_1 = 0x0;
1166
1167                 /*
1168                  * Depth buffer specific enables
1169                  */
1170                 if (flags & RADEON_DEPTH) {
1171                         /* Enable depth buffer */
1172                         tempRB3D_CNTL |= RADEON_Z_ENABLE;
1173                 } else {
1174                         /* Disable depth buffer */
1175                         tempRB3D_CNTL &= ~RADEON_Z_ENABLE;
1176                 }
1177
1178                 /*
1179                  * Stencil buffer specific enables
1180                  */
1181                 if (flags & RADEON_STENCIL) {
1182                         tempRB3D_CNTL |= RADEON_STENCIL_ENABLE;
1183                         tempRB3D_STENCILREFMASK = clear->depth_mask;
1184                 } else {
1185                         tempRB3D_CNTL &= ~RADEON_STENCIL_ENABLE;
1186                         tempRB3D_STENCILREFMASK = 0x00000000;
1187                 }
1188
1189                 if (flags & RADEON_USE_COMP_ZBUF) {
1190                         tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
1191                             RADEON_Z_DECOMPRESSION_ENABLE;
1192                 }
1193                 if (flags & RADEON_USE_HIERZ) {
1194                         tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
1195                 }
1196
1197                 BEGIN_RING(26);
1198                 RADEON_WAIT_UNTIL_2D_IDLE();
1199
1200                 OUT_RING_REG(RADEON_PP_CNTL, tempPP_CNTL);
1201                 OUT_RING_REG(R200_RE_CNTL, tempRE_CNTL);
1202                 OUT_RING_REG(RADEON_RB3D_CNTL, tempRB3D_CNTL);
1203                 OUT_RING_REG(RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL);
1204                 OUT_RING_REG(RADEON_RB3D_STENCILREFMASK,
1205                              tempRB3D_STENCILREFMASK);
1206                 OUT_RING_REG(RADEON_RB3D_PLANEMASK, tempRB3D_PLANEMASK);
1207                 OUT_RING_REG(RADEON_SE_CNTL, tempSE_CNTL);
1208                 OUT_RING_REG(R200_SE_VTE_CNTL, tempSE_VTE_CNTL);
1209                 OUT_RING_REG(R200_SE_VTX_FMT_0, tempSE_VTX_FMT_0);
1210                 OUT_RING_REG(R200_SE_VTX_FMT_1, tempSE_VTX_FMT_1);
1211                 OUT_RING_REG(R200_SE_VAP_CNTL, tempSE_VAP_CNTL);
1212                 OUT_RING_REG(R200_RE_AUX_SCISSOR_CNTL, tempRE_AUX_SCISSOR_CNTL);
1213                 ADVANCE_RING();
1214
1215                 /* Make sure we restore the 3D state next time.
1216                  */
1217                 dev_priv->sarea_priv->ctx_owner = 0;
1218
1219                 for (i = 0; i < nbox; i++) {
1220
1221                         /* Funny that this should be required --
1222                          *  sets top-left?
1223                          */
1224                         radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1225
1226                         BEGIN_RING(14);
1227                         OUT_RING(CP_PACKET3(R200_3D_DRAW_IMMD_2, 12));
1228                         OUT_RING((RADEON_PRIM_TYPE_RECT_LIST |
1229                                   RADEON_PRIM_WALK_RING |
1230                                   (3 << RADEON_NUM_VERTICES_SHIFT)));
1231                         OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1232                         OUT_RING(depth_boxes[i].ui[CLEAR_Y1]);
1233                         OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1234                         OUT_RING(0x3f800000);
1235                         OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1236                         OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1237                         OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1238                         OUT_RING(0x3f800000);
1239                         OUT_RING(depth_boxes[i].ui[CLEAR_X2]);
1240                         OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1241                         OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1242                         OUT_RING(0x3f800000);
1243                         ADVANCE_RING();
1244                 }
1245         } else if ((flags & (RADEON_DEPTH | RADEON_STENCIL))) {
1246
1247                 int tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl;
1248
1249                 rb3d_cntl = depth_clear->rb3d_cntl;
1250
1251                 if (flags & RADEON_DEPTH) {
1252                         rb3d_cntl |= RADEON_Z_ENABLE;
1253                 } else {
1254                         rb3d_cntl &= ~RADEON_Z_ENABLE;
1255                 }
1256
1257                 if (flags & RADEON_STENCIL) {
1258                         rb3d_cntl |= RADEON_STENCIL_ENABLE;
1259                         rb3d_stencilrefmask = clear->depth_mask;        /* misnamed field */
1260                 } else {
1261                         rb3d_cntl &= ~RADEON_STENCIL_ENABLE;
1262                         rb3d_stencilrefmask = 0x00000000;
1263                 }
1264
1265                 if (flags & RADEON_USE_COMP_ZBUF) {
1266                         tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE |
1267                             RADEON_Z_DECOMPRESSION_ENABLE;
1268                 }
1269                 if (flags & RADEON_USE_HIERZ) {
1270                         tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE;
1271                 }
1272
1273                 BEGIN_RING(13);
1274                 RADEON_WAIT_UNTIL_2D_IDLE();
1275
1276                 OUT_RING(CP_PACKET0(RADEON_PP_CNTL, 1));
1277                 OUT_RING(0x00000000);
1278                 OUT_RING(rb3d_cntl);
1279
1280                 OUT_RING_REG(RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL);
1281                 OUT_RING_REG(RADEON_RB3D_STENCILREFMASK, rb3d_stencilrefmask);
1282                 OUT_RING_REG(RADEON_RB3D_PLANEMASK, 0x00000000);
1283                 OUT_RING_REG(RADEON_SE_CNTL, depth_clear->se_cntl);
1284                 ADVANCE_RING();
1285
1286                 /* Make sure we restore the 3D state next time.
1287                  */
1288                 dev_priv->sarea_priv->ctx_owner = 0;
1289
1290                 for (i = 0; i < nbox; i++) {
1291
1292                         /* Funny that this should be required --
1293                          *  sets top-left?
1294                          */
1295                         radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1296
1297                         BEGIN_RING(15);
1298
1299                         OUT_RING(CP_PACKET3(RADEON_3D_DRAW_IMMD, 13));
1300                         OUT_RING(RADEON_VTX_Z_PRESENT |
1301                                  RADEON_VTX_PKCOLOR_PRESENT);
1302                         OUT_RING((RADEON_PRIM_TYPE_RECT_LIST |
1303                                   RADEON_PRIM_WALK_RING |
1304                                   RADEON_MAOS_ENABLE |
1305                                   RADEON_VTX_FMT_RADEON_MODE |
1306                                   (3 << RADEON_NUM_VERTICES_SHIFT)));
1307
1308                         OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1309                         OUT_RING(depth_boxes[i].ui[CLEAR_Y1]);
1310                         OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1311                         OUT_RING(0x0);
1312
1313                         OUT_RING(depth_boxes[i].ui[CLEAR_X1]);
1314                         OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1315                         OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1316                         OUT_RING(0x0);
1317
1318                         OUT_RING(depth_boxes[i].ui[CLEAR_X2]);
1319                         OUT_RING(depth_boxes[i].ui[CLEAR_Y2]);
1320                         OUT_RING(depth_boxes[i].ui[CLEAR_DEPTH]);
1321                         OUT_RING(0x0);
1322
1323                         ADVANCE_RING();
1324                 }
1325         }
1326
1327         /* Increment the clear counter.  The client-side 3D driver must
1328          * wait on this value before performing the clear ioctl.  We
1329          * need this because the card's so damned fast...
1330          */
1331         dev_priv->sarea_priv->last_clear++;
1332
1333         BEGIN_RING(4);
1334
1335         RADEON_CLEAR_AGE(dev_priv->sarea_priv->last_clear);
1336         RADEON_WAIT_UNTIL_IDLE();
1337
1338         ADVANCE_RING();
1339 }
1340
1341 static void radeon_cp_dispatch_swap(struct drm_device * dev)
1342 {
1343         drm_radeon_private_t *dev_priv = dev->dev_private;
1344         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
1345         int nbox = sarea_priv->nbox;
1346         struct drm_clip_rect *pbox = sarea_priv->boxes;
1347         int i;
1348         RING_LOCALS;
1349         DRM_DEBUG("\n");
1350
1351         /* Do some trivial performance monitoring...
1352          */
1353         if (dev_priv->do_boxes)
1354                 radeon_cp_performance_boxes(dev_priv);
1355
1356         /* Wait for the 3D stream to idle before dispatching the bitblt.
1357          * This will prevent data corruption between the two streams.
1358          */
1359         BEGIN_RING(2);
1360
1361         RADEON_WAIT_UNTIL_3D_IDLE();
1362
1363         ADVANCE_RING();
1364
1365         for (i = 0; i < nbox; i++) {
1366                 int x = pbox[i].x1;
1367                 int y = pbox[i].y1;
1368                 int w = pbox[i].x2 - x;
1369                 int h = pbox[i].y2 - y;
1370
1371                 DRM_DEBUG("%d,%d-%d,%d\n", x, y, w, h);
1372
1373                 BEGIN_RING(9);
1374
1375                 OUT_RING(CP_PACKET0(RADEON_DP_GUI_MASTER_CNTL, 0));
1376                 OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
1377                          RADEON_GMC_DST_PITCH_OFFSET_CNTL |
1378                          RADEON_GMC_BRUSH_NONE |
1379                          (dev_priv->color_fmt << 8) |
1380                          RADEON_GMC_SRC_DATATYPE_COLOR |
1381                          RADEON_ROP3_S |
1382                          RADEON_DP_SRC_SOURCE_MEMORY |
1383                          RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);
1384
1385                 /* Make this work even if front & back are flipped:
1386                  */
1387                 OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1));
1388                 if (dev_priv->sarea_priv->pfCurrentPage == 0) {
1389                         OUT_RING(dev_priv->back_pitch_offset);
1390                         OUT_RING(dev_priv->front_pitch_offset);
1391                 } else {
1392                         OUT_RING(dev_priv->front_pitch_offset);
1393                         OUT_RING(dev_priv->back_pitch_offset);
1394                 }
1395
1396                 OUT_RING(CP_PACKET0(RADEON_SRC_X_Y, 2));
1397                 OUT_RING((x << 16) | y);
1398                 OUT_RING((x << 16) | y);
1399                 OUT_RING((w << 16) | h);
1400
1401                 ADVANCE_RING();
1402         }
1403
1404         /* Increment the frame counter.  The client-side 3D driver must
1405          * throttle the framerate by waiting for this value before
1406          * performing the swapbuffer ioctl.
1407          */
1408         dev_priv->sarea_priv->last_frame++;
1409
1410         BEGIN_RING(4);
1411
1412         RADEON_FRAME_AGE(dev_priv->sarea_priv->last_frame);
1413         RADEON_WAIT_UNTIL_2D_IDLE();
1414
1415         ADVANCE_RING();
1416 }
1417
1418 static void radeon_cp_dispatch_flip(struct drm_device * dev)
1419 {
1420         drm_radeon_private_t *dev_priv = dev->dev_private;
1421         struct drm_sarea *sarea = (struct drm_sarea *) dev_priv->sarea->handle;
1422         int offset = (dev_priv->sarea_priv->pfCurrentPage == 1)
1423             ? dev_priv->front_offset : dev_priv->back_offset;
1424         RING_LOCALS;
1425         DRM_DEBUG("pfCurrentPage=%d\n",
1426                   dev_priv->sarea_priv->pfCurrentPage);
1427
1428         /* Do some trivial performance monitoring...
1429          */
1430         if (dev_priv->do_boxes) {
1431                 dev_priv->stats.boxes |= RADEON_BOX_FLIP;
1432                 radeon_cp_performance_boxes(dev_priv);
1433         }
1434
1435         /* Update the frame offsets for both CRTCs
1436          */
1437         BEGIN_RING(6);
1438
1439         RADEON_WAIT_UNTIL_3D_IDLE();
1440         OUT_RING_REG(RADEON_CRTC_OFFSET,
1441                      ((sarea->frame.y * dev_priv->front_pitch +
1442                        sarea->frame.x * (dev_priv->color_fmt - 2)) & ~7)
1443                      + offset);
1444         OUT_RING_REG(RADEON_CRTC2_OFFSET, dev_priv->sarea_priv->crtc2_base
1445                      + offset);
1446
1447         ADVANCE_RING();
1448
1449         /* Increment the frame counter.  The client-side 3D driver must
1450          * throttle the framerate by waiting for this value before
1451          * performing the swapbuffer ioctl.
1452          */
1453         dev_priv->sarea_priv->last_frame++;
1454         dev_priv->sarea_priv->pfCurrentPage =
1455                 1 - dev_priv->sarea_priv->pfCurrentPage;
1456
1457         BEGIN_RING(2);
1458
1459         RADEON_FRAME_AGE(dev_priv->sarea_priv->last_frame);
1460
1461         ADVANCE_RING();
1462 }
1463
1464 static int bad_prim_vertex_nr(int primitive, int nr)
1465 {
1466         switch (primitive & RADEON_PRIM_TYPE_MASK) {
1467         case RADEON_PRIM_TYPE_NONE:
1468         case RADEON_PRIM_TYPE_POINT:
1469                 return nr < 1;
1470         case RADEON_PRIM_TYPE_LINE:
1471                 return (nr & 1) || nr == 0;
1472         case RADEON_PRIM_TYPE_LINE_STRIP:
1473                 return nr < 2;
1474         case RADEON_PRIM_TYPE_TRI_LIST:
1475         case RADEON_PRIM_TYPE_3VRT_POINT_LIST:
1476         case RADEON_PRIM_TYPE_3VRT_LINE_LIST:
1477         case RADEON_PRIM_TYPE_RECT_LIST:
1478                 return nr % 3 || nr == 0;
1479         case RADEON_PRIM_TYPE_TRI_FAN:
1480         case RADEON_PRIM_TYPE_TRI_STRIP:
1481                 return nr < 3;
1482         default:
1483                 return 1;
1484         }
1485 }
1486
1487 typedef struct {
1488         unsigned int start;
1489         unsigned int finish;
1490         unsigned int prim;
1491         unsigned int numverts;
1492         unsigned int offset;
1493         unsigned int vc_format;
1494 } drm_radeon_tcl_prim_t;
1495
1496 static void radeon_cp_dispatch_vertex(struct drm_device * dev,
1497                                       struct drm_buf * buf,
1498                                       drm_radeon_tcl_prim_t * prim)
1499 {
1500         drm_radeon_private_t *dev_priv = dev->dev_private;
1501         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
1502         int offset = dev_priv->gart_buffers_offset + buf->offset + prim->start;
1503         int numverts = (int)prim->numverts;
1504         int nbox = sarea_priv->nbox;
1505         int i = 0;
1506         RING_LOCALS;
1507
1508         DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d %d verts\n",
1509                   prim->prim,
1510                   prim->vc_format, prim->start, prim->finish, prim->numverts);
1511
1512         if (bad_prim_vertex_nr(prim->prim, prim->numverts)) {
1513                 DRM_ERROR("bad prim %x numverts %d\n",
1514                           prim->prim, prim->numverts);
1515                 return;
1516         }
1517
1518         do {
1519                 /* Emit the next cliprect */
1520                 if (i < nbox) {
1521                         radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1522                 }
1523
1524                 /* Emit the vertex buffer rendering commands */
1525                 BEGIN_RING(5);
1526
1527                 OUT_RING(CP_PACKET3(RADEON_3D_RNDR_GEN_INDX_PRIM, 3));
1528                 OUT_RING(offset);
1529                 OUT_RING(numverts);
1530                 OUT_RING(prim->vc_format);
1531                 OUT_RING(prim->prim | RADEON_PRIM_WALK_LIST |
1532                          RADEON_COLOR_ORDER_RGBA |
1533                          RADEON_VTX_FMT_RADEON_MODE |
1534                          (numverts << RADEON_NUM_VERTICES_SHIFT));
1535
1536                 ADVANCE_RING();
1537
1538                 i++;
1539         } while (i < nbox);
1540 }
1541
1542 static void radeon_cp_discard_buffer(struct drm_device * dev, struct drm_buf * buf)
1543 {
1544         drm_radeon_private_t *dev_priv = dev->dev_private;
1545         drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
1546         RING_LOCALS;
1547
1548         buf_priv->age = ++dev_priv->sarea_priv->last_dispatch;
1549
1550         /* Emit the vertex buffer age */
1551         BEGIN_RING(2);
1552         RADEON_DISPATCH_AGE(buf_priv->age);
1553         ADVANCE_RING();
1554
1555         buf->pending = 1;
1556         buf->used = 0;
1557 }
1558
1559 static void radeon_cp_dispatch_indirect(struct drm_device * dev,
1560                                         struct drm_buf * buf, int start, int end)
1561 {
1562         drm_radeon_private_t *dev_priv = dev->dev_private;
1563         RING_LOCALS;
1564         DRM_DEBUG("buf=%d s=0x%x e=0x%x\n", buf->idx, start, end);
1565
1566         if (start != end) {
1567                 int offset = (dev_priv->gart_buffers_offset
1568                               + buf->offset + start);
1569                 int dwords = (end - start + 3) / sizeof(u32);
1570
1571                 /* Indirect buffer data must be an even number of
1572                  * dwords, so if we've been given an odd number we must
1573                  * pad the data with a Type-2 CP packet.
1574                  */
1575                 if (dwords & 1) {
1576                         u32 *data = (u32 *)
1577                             ((char *)dev->agp_buffer_map->handle
1578                              + buf->offset + start);
1579                         data[dwords++] = RADEON_CP_PACKET2;
1580                 }
1581
1582                 /* Fire off the indirect buffer */
1583                 BEGIN_RING(3);
1584
1585                 OUT_RING(CP_PACKET0(RADEON_CP_IB_BASE, 1));
1586                 OUT_RING(offset);
1587                 OUT_RING(dwords);
1588
1589                 ADVANCE_RING();
1590         }
1591 }
1592
1593 static void radeon_cp_dispatch_indices(struct drm_device * dev,
1594                                        struct drm_buf * elt_buf,
1595                                        drm_radeon_tcl_prim_t * prim)
1596 {
1597         drm_radeon_private_t *dev_priv = dev->dev_private;
1598         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
1599         int offset = dev_priv->gart_buffers_offset + prim->offset;
1600         u32 *data;
1601         int dwords;
1602         int i = 0;
1603         int start = prim->start + RADEON_INDEX_PRIM_OFFSET;
1604         int count = (prim->finish - start) / sizeof(u16);
1605         int nbox = sarea_priv->nbox;
1606
1607         DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n",
1608                   prim->prim,
1609                   prim->vc_format,
1610                   prim->start, prim->finish, prim->offset, prim->numverts);
1611
1612         if (bad_prim_vertex_nr(prim->prim, count)) {
1613                 DRM_ERROR("bad prim %x count %d\n", prim->prim, count);
1614                 return;
1615         }
1616
1617         if (start >= prim->finish || (prim->start & 0x7)) {
1618                 DRM_ERROR("buffer prim %d\n", prim->prim);
1619                 return;
1620         }
1621
1622         dwords = (prim->finish - prim->start + 3) / sizeof(u32);
1623
1624         data = (u32 *) ((char *)dev->agp_buffer_map->handle +
1625                         elt_buf->offset + prim->start);
1626
1627         data[0] = CP_PACKET3(RADEON_3D_RNDR_GEN_INDX_PRIM, dwords - 2);
1628         data[1] = offset;
1629         data[2] = prim->numverts;
1630         data[3] = prim->vc_format;
1631         data[4] = (prim->prim |
1632                    RADEON_PRIM_WALK_IND |
1633                    RADEON_COLOR_ORDER_RGBA |
1634                    RADEON_VTX_FMT_RADEON_MODE |
1635                    (count << RADEON_NUM_VERTICES_SHIFT));
1636
1637         do {
1638                 if (i < nbox)
1639                         radeon_emit_clip_rect(dev_priv, &sarea_priv->boxes[i]);
1640
1641                 radeon_cp_dispatch_indirect(dev, elt_buf,
1642                                             prim->start, prim->finish);
1643
1644                 i++;
1645         } while (i < nbox);
1646
1647 }
1648
1649 #define RADEON_MAX_TEXTURE_SIZE RADEON_BUFFER_SIZE
1650
1651 static int radeon_cp_dispatch_texture(struct drm_device * dev,
1652                                       struct drm_file *file_priv,
1653                                       drm_radeon_texture_t * tex,
1654                                       drm_radeon_tex_image_t * image)
1655 {
1656         drm_radeon_private_t *dev_priv = dev->dev_private;
1657         struct drm_buf *buf;
1658         u32 format;
1659         u32 *buffer;
1660         const u8 __user *data;
1661         int size, dwords, tex_width, blit_width, spitch;
1662         u32 height;
1663         int i;
1664         u32 texpitch, microtile;
1665         u32 offset, byte_offset;
1666         RING_LOCALS;
1667
1668         if (radeon_check_and_fixup_offset(dev_priv, file_priv, &tex->offset)) {
1669                 DRM_ERROR("Invalid destination offset\n");
1670                 return -EINVAL;
1671         }
1672
1673         dev_priv->stats.boxes |= RADEON_BOX_TEXTURE_LOAD;
1674
1675         /* Flush the pixel cache.  This ensures no pixel data gets mixed
1676          * up with the texture data from the host data blit, otherwise
1677          * part of the texture image may be corrupted.
1678          */
1679         BEGIN_RING(4);
1680         RADEON_FLUSH_CACHE();
1681         RADEON_WAIT_UNTIL_IDLE();
1682         ADVANCE_RING();
1683
1684         /* The compiler won't optimize away a division by a variable,
1685          * even if the only legal values are powers of two.  Thus, we'll
1686          * use a shift instead.
1687          */
1688         switch (tex->format) {
1689         case RADEON_TXFORMAT_ARGB8888:
1690         case RADEON_TXFORMAT_RGBA8888:
1691                 format = RADEON_COLOR_FORMAT_ARGB8888;
1692                 tex_width = tex->width * 4;
1693                 blit_width = image->width * 4;
1694                 break;
1695         case RADEON_TXFORMAT_AI88:
1696         case RADEON_TXFORMAT_ARGB1555:
1697         case RADEON_TXFORMAT_RGB565:
1698         case RADEON_TXFORMAT_ARGB4444:
1699         case RADEON_TXFORMAT_VYUY422:
1700         case RADEON_TXFORMAT_YVYU422:
1701                 format = RADEON_COLOR_FORMAT_RGB565;
1702                 tex_width = tex->width * 2;
1703                 blit_width = image->width * 2;
1704                 break;
1705         case RADEON_TXFORMAT_I8:
1706         case RADEON_TXFORMAT_RGB332:
1707                 format = RADEON_COLOR_FORMAT_CI8;
1708                 tex_width = tex->width * 1;
1709                 blit_width = image->width * 1;
1710                 break;
1711         default:
1712                 DRM_ERROR("invalid texture format %d\n", tex->format);
1713                 return -EINVAL;
1714         }
1715         spitch = blit_width >> 6;
1716         if (spitch == 0 && image->height > 1)
1717                 return -EINVAL;
1718
1719         texpitch = tex->pitch;
1720         if ((texpitch << 22) & RADEON_DST_TILE_MICRO) {
1721                 microtile = 1;
1722                 if (tex_width < 64) {
1723                         texpitch &= ~(RADEON_DST_TILE_MICRO >> 22);
1724                         /* we got tiled coordinates, untile them */
1725                         image->x *= 2;
1726                 }
1727         } else
1728                 microtile = 0;
1729
1730         /* this might fail for zero-sized uploads - are those illegal? */
1731         if (!radeon_check_offset(dev_priv, tex->offset + image->height *
1732                                 blit_width - 1)) {
1733                 DRM_ERROR("Invalid final destination offset\n");
1734                 return -EINVAL;
1735         }
1736
1737         DRM_DEBUG("tex=%dx%d blit=%d\n", tex_width, tex->height, blit_width);
1738
1739         do {
1740                 DRM_DEBUG("tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n",
1741                           tex->offset >> 10, tex->pitch, tex->format,
1742                           image->x, image->y, image->width, image->height);
1743
1744                 /* Make a copy of some parameters in case we have to
1745                  * update them for a multi-pass texture blit.
1746                  */
1747                 height = image->height;
1748                 data = (const u8 __user *)image->data;
1749
1750                 size = height * blit_width;
1751
1752                 if (size > RADEON_MAX_TEXTURE_SIZE) {
1753                         height = RADEON_MAX_TEXTURE_SIZE / blit_width;
1754                         size = height * blit_width;
1755                 } else if (size < 4 && size > 0) {
1756                         size = 4;
1757                 } else if (size == 0) {
1758                         return 0;
1759                 }
1760
1761                 buf = radeon_freelist_get(dev);
1762                 if (0 && !buf) {
1763                         radeon_do_cp_idle(dev_priv);
1764                         buf = radeon_freelist_get(dev);
1765                 }
1766                 if (!buf) {
1767                         DRM_DEBUG("EAGAIN\n");
1768                         if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
1769                                 return -EFAULT;
1770                         return -EAGAIN;
1771                 }
1772
1773                 /* Dispatch the indirect buffer.
1774                  */
1775                 buffer =
1776                     (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
1777                 dwords = size / 4;
1778
1779 #define RADEON_COPY_MT(_buf, _data, _width) \
1780         do { \
1781                 if (DRM_COPY_FROM_USER(_buf, _data, (_width))) {\
1782                         DRM_ERROR("EFAULT on pad, %d bytes\n", (_width)); \
1783                         return -EFAULT; \
1784                 } \
1785         } while(0)
1786
1787                 if (microtile) {
1788                         /* texture micro tiling in use, minimum texture width is thus 16 bytes.
1789                            however, we cannot use blitter directly for texture width < 64 bytes,
1790                            since minimum tex pitch is 64 bytes and we need this to match
1791                            the texture width, otherwise the blitter will tile it wrong.
1792                            Thus, tiling manually in this case. Additionally, need to special
1793                            case tex height = 1, since our actual image will have height 2
1794                            and we need to ensure we don't read beyond the texture size
1795                            from user space. */
1796                         if (tex->height == 1) {
1797                                 if (tex_width >= 64 || tex_width <= 16) {
1798                                         RADEON_COPY_MT(buffer, data,
1799                                                 (int)(tex_width * sizeof(u32)));
1800                                 } else if (tex_width == 32) {
1801                                         RADEON_COPY_MT(buffer, data, 16);
1802                                         RADEON_COPY_MT(buffer + 8,
1803                                                        data + 16, 16);
1804                                 }
1805                         } else if (tex_width >= 64 || tex_width == 16) {
1806                                 RADEON_COPY_MT(buffer, data,
1807                                                (int)(dwords * sizeof(u32)));
1808                         } else if (tex_width < 16) {
1809                                 for (i = 0; i < tex->height; i++) {
1810                                         RADEON_COPY_MT(buffer, data, tex_width);
1811                                         buffer += 4;
1812                                         data += tex_width;
1813                                 }
1814                         } else if (tex_width == 32) {
1815                                 /* TODO: make sure this works when not fitting in one buffer
1816                                    (i.e. 32bytes x 2048...) */
1817                                 for (i = 0; i < tex->height; i += 2) {
1818                                         RADEON_COPY_MT(buffer, data, 16);
1819                                         data += 16;
1820                                         RADEON_COPY_MT(buffer + 8, data, 16);
1821                                         data += 16;
1822                                         RADEON_COPY_MT(buffer + 4, data, 16);
1823                                         data += 16;
1824                                         RADEON_COPY_MT(buffer + 12, data, 16);
1825                                         data += 16;
1826                                         buffer += 16;
1827                                 }
1828                         }
1829                 } else {
1830                         if (tex_width >= 32) {
1831                                 /* Texture image width is larger than the minimum, so we
1832                                  * can upload it directly.
1833                                  */
1834                                 RADEON_COPY_MT(buffer, data,
1835                                                (int)(dwords * sizeof(u32)));
1836                         } else {
1837                                 /* Texture image width is less than the minimum, so we
1838                                  * need to pad out each image scanline to the minimum
1839                                  * width.
1840                                  */
1841                                 for (i = 0; i < tex->height; i++) {
1842                                         RADEON_COPY_MT(buffer, data, tex_width);
1843                                         buffer += 8;
1844                                         data += tex_width;
1845                                 }
1846                         }
1847                 }
1848
1849 #undef RADEON_COPY_MT
1850                 byte_offset = (image->y & ~2047) * blit_width;
1851                 buf->file_priv = file_priv;
1852                 buf->used = size;
1853                 offset = dev_priv->gart_buffers_offset + buf->offset;
1854                 BEGIN_RING(9);
1855                 OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5));
1856                 OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
1857                          RADEON_GMC_DST_PITCH_OFFSET_CNTL |
1858                          RADEON_GMC_BRUSH_NONE |
1859                          (format << 8) |
1860                          RADEON_GMC_SRC_DATATYPE_COLOR |
1861                          RADEON_ROP3_S |
1862                          RADEON_DP_SRC_SOURCE_MEMORY |
1863                          RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);
1864                 OUT_RING((spitch << 22) | (offset >> 10));
1865                 OUT_RING((texpitch << 22) | ((tex->offset >> 10) + (byte_offset >> 10)));
1866                 OUT_RING(0);
1867                 OUT_RING((image->x << 16) | (image->y % 2048));
1868                 OUT_RING((image->width << 16) | height);
1869                 RADEON_WAIT_UNTIL_2D_IDLE();
1870                 ADVANCE_RING();
1871                 COMMIT_RING();
1872
1873                 radeon_cp_discard_buffer(dev, buf);
1874
1875                 /* Update the input parameters for next time */
1876                 image->y += height;
1877                 image->height -= height;
1878                 image->data = (const u8 __user *)image->data + size;
1879         } while (image->height > 0);
1880
1881         /* Flush the pixel cache after the blit completes.  This ensures
1882          * the texture data is written out to memory before rendering
1883          * continues.
1884          */
1885         BEGIN_RING(4);
1886         RADEON_FLUSH_CACHE();
1887         RADEON_WAIT_UNTIL_2D_IDLE();
1888         ADVANCE_RING();
1889         COMMIT_RING();
1890
1891         return 0;
1892 }
1893
1894 static void radeon_cp_dispatch_stipple(struct drm_device * dev, u32 * stipple)
1895 {
1896         drm_radeon_private_t *dev_priv = dev->dev_private;
1897         int i;
1898         RING_LOCALS;
1899         DRM_DEBUG("\n");
1900
1901         BEGIN_RING(35);
1902
1903         OUT_RING(CP_PACKET0(RADEON_RE_STIPPLE_ADDR, 0));
1904         OUT_RING(0x00000000);
1905
1906         OUT_RING(CP_PACKET0_TABLE(RADEON_RE_STIPPLE_DATA, 31));
1907         for (i = 0; i < 32; i++) {
1908                 OUT_RING(stipple[i]);
1909         }
1910
1911         ADVANCE_RING();
1912 }
1913
1914 static void radeon_apply_surface_regs(int surf_index,
1915                                       drm_radeon_private_t *dev_priv)
1916 {
1917         if (!dev_priv->mmio)
1918                 return;
1919
1920         radeon_do_cp_idle(dev_priv);
1921
1922         RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * surf_index,
1923                      dev_priv->surfaces[surf_index].flags);
1924         RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * surf_index,
1925                      dev_priv->surfaces[surf_index].lower);
1926         RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * surf_index,
1927                      dev_priv->surfaces[surf_index].upper);
1928 }
1929
1930 /* Allocates a virtual surface
1931  * doesn't always allocate a real surface, will stretch an existing
1932  * surface when possible.
1933  *
1934  * Note that refcount can be at most 2, since during a free refcount=3
1935  * might mean we have to allocate a new surface which might not always
1936  * be available.
1937  * For example : we allocate three contigous surfaces ABC. If B is
1938  * freed, we suddenly need two surfaces to store A and C, which might
1939  * not always be available.
1940  */
1941 static int alloc_surface(drm_radeon_surface_alloc_t *new,
1942                          drm_radeon_private_t *dev_priv,
1943                          struct drm_file *file_priv)
1944 {
1945         struct radeon_virt_surface *s;
1946         int i;
1947         int virt_surface_index;
1948         uint32_t new_upper, new_lower;
1949
1950         new_lower = new->address;
1951         new_upper = new_lower + new->size - 1;
1952
1953         /* sanity check */
1954         if ((new_lower >= new_upper) || (new->flags == 0) || (new->size == 0) ||
1955             ((new_upper & RADEON_SURF_ADDRESS_FIXED_MASK) !=
1956              RADEON_SURF_ADDRESS_FIXED_MASK)
1957             || ((new_lower & RADEON_SURF_ADDRESS_FIXED_MASK) != 0))
1958                 return -1;
1959
1960         /* make sure there is no overlap with existing surfaces */
1961         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1962                 if ((dev_priv->surfaces[i].refcount != 0) &&
1963                     (((new_lower >= dev_priv->surfaces[i].lower) &&
1964                       (new_lower < dev_priv->surfaces[i].upper)) ||
1965                      ((new_lower < dev_priv->surfaces[i].lower) &&
1966                       (new_upper > dev_priv->surfaces[i].lower)))) {
1967                         return -1;
1968                 }
1969         }
1970
1971         /* find a virtual surface */
1972         for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++)
1973                 if (dev_priv->virt_surfaces[i].file_priv == 0)
1974                         break;
1975         if (i == 2 * RADEON_MAX_SURFACES) {
1976                 return -1;
1977         }
1978         virt_surface_index = i;
1979
1980         /* try to reuse an existing surface */
1981         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1982                 /* extend before */
1983                 if ((dev_priv->surfaces[i].refcount == 1) &&
1984                     (new->flags == dev_priv->surfaces[i].flags) &&
1985                     (new_upper + 1 == dev_priv->surfaces[i].lower)) {
1986                         s = &(dev_priv->virt_surfaces[virt_surface_index]);
1987                         s->surface_index = i;
1988                         s->lower = new_lower;
1989                         s->upper = new_upper;
1990                         s->flags = new->flags;
1991                         s->file_priv = file_priv;
1992                         dev_priv->surfaces[i].refcount++;
1993                         dev_priv->surfaces[i].lower = s->lower;
1994                         radeon_apply_surface_regs(s->surface_index, dev_priv);
1995                         return virt_surface_index;
1996                 }
1997
1998                 /* extend after */
1999                 if ((dev_priv->surfaces[i].refcount == 1) &&
2000                     (new->flags == dev_priv->surfaces[i].flags) &&
2001                     (new_lower == dev_priv->surfaces[i].upper + 1)) {
2002                         s = &(dev_priv->virt_surfaces[virt_surface_index]);
2003                         s->surface_index = i;
2004                         s->lower = new_lower;
2005                         s->upper = new_upper;
2006                         s->flags = new->flags;
2007                         s->file_priv = file_priv;
2008                         dev_priv->surfaces[i].refcount++;
2009                         dev_priv->surfaces[i].upper = s->upper;
2010                         radeon_apply_surface_regs(s->surface_index, dev_priv);
2011                         return virt_surface_index;
2012                 }
2013         }
2014
2015         /* okay, we need a new one */
2016         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
2017                 if (dev_priv->surfaces[i].refcount == 0) {
2018                         s = &(dev_priv->virt_surfaces[virt_surface_index]);
2019                         s->surface_index = i;
2020                         s->lower = new_lower;
2021                         s->upper = new_upper;
2022                         s->flags = new->flags;
2023                         s->file_priv = file_priv;
2024                         dev_priv->surfaces[i].refcount = 1;
2025                         dev_priv->surfaces[i].lower = s->lower;
2026                         dev_priv->surfaces[i].upper = s->upper;
2027                         dev_priv->surfaces[i].flags = s->flags;
2028                         radeon_apply_surface_regs(s->surface_index, dev_priv);
2029                         return virt_surface_index;
2030                 }
2031         }
2032
2033         /* we didn't find anything */
2034         return -1;
2035 }
2036
2037 static int free_surface(struct drm_file *file_priv,
2038                         drm_radeon_private_t * dev_priv,
2039                         int lower)
2040 {
2041         struct radeon_virt_surface *s;
2042         int i;
2043         /* find the virtual surface */
2044         for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
2045                 s = &(dev_priv->virt_surfaces[i]);
2046                 if (s->file_priv) {
2047                         if ((lower == s->lower) && (file_priv == s->file_priv))
2048                         {
2049                                 if (dev_priv->surfaces[s->surface_index].
2050                                     lower == s->lower)
2051                                         dev_priv->surfaces[s->surface_index].
2052                                             lower = s->upper;
2053
2054                                 if (dev_priv->surfaces[s->surface_index].
2055                                     upper == s->upper)
2056                                         dev_priv->surfaces[s->surface_index].
2057                                             upper = s->lower;
2058
2059                                 dev_priv->surfaces[s->surface_index].refcount--;
2060                                 if (dev_priv->surfaces[s->surface_index].
2061                                     refcount == 0)
2062                                         dev_priv->surfaces[s->surface_index].
2063                                             flags = 0;
2064                                 s->file_priv = NULL;
2065                                 radeon_apply_surface_regs(s->surface_index,
2066                                                           dev_priv);
2067                                 return 0;
2068                         }
2069                 }
2070         }
2071         return 1;
2072 }
2073
2074 static void radeon_surfaces_release(struct drm_file *file_priv,
2075                                     drm_radeon_private_t * dev_priv)
2076 {
2077         int i;
2078         for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
2079                 if (dev_priv->virt_surfaces[i].file_priv == file_priv)
2080                         free_surface(file_priv, dev_priv,
2081                                      dev_priv->virt_surfaces[i].lower);
2082         }
2083 }
2084
2085 /* ================================================================
2086  * IOCTL functions
2087  */
2088 static int radeon_surface_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv)
2089 {
2090         drm_radeon_private_t *dev_priv = dev->dev_private;
2091         drm_radeon_surface_alloc_t *alloc = data;
2092
2093         if (alloc_surface(alloc, dev_priv, file_priv) == -1)
2094                 return -EINVAL;
2095         else
2096                 return 0;
2097 }
2098
2099 static int radeon_surface_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
2100 {
2101         drm_radeon_private_t *dev_priv = dev->dev_private;
2102         drm_radeon_surface_free_t *memfree = data;
2103
2104         if (free_surface(file_priv, dev_priv, memfree->address))
2105                 return -EINVAL;
2106         else
2107                 return 0;
2108 }
2109
2110 static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
2111 {
2112         drm_radeon_private_t *dev_priv = dev->dev_private;
2113         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2114         drm_radeon_clear_t *clear = data;
2115         drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
2116         DRM_DEBUG("\n");
2117
2118         LOCK_TEST_WITH_RETURN(dev, file_priv);
2119
2120         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2121
2122         if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2123                 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
2124
2125         if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
2126                                sarea_priv->nbox * sizeof(depth_boxes[0])))
2127                 return -EFAULT;
2128
2129         radeon_cp_dispatch_clear(dev, clear, depth_boxes);
2130
2131         COMMIT_RING();
2132         return 0;
2133 }
2134
2135 /* Not sure why this isn't set all the time:
2136  */
2137 static int radeon_do_init_pageflip(struct drm_device * dev)
2138 {
2139         drm_radeon_private_t *dev_priv = dev->dev_private;
2140         RING_LOCALS;
2141
2142         DRM_DEBUG("\n");
2143
2144         BEGIN_RING(6);
2145         RADEON_WAIT_UNTIL_3D_IDLE();
2146         OUT_RING(CP_PACKET0(RADEON_CRTC_OFFSET_CNTL, 0));
2147         OUT_RING(RADEON_READ(RADEON_CRTC_OFFSET_CNTL) |
2148                  RADEON_CRTC_OFFSET_FLIP_CNTL);
2149         OUT_RING(CP_PACKET0(RADEON_CRTC2_OFFSET_CNTL, 0));
2150         OUT_RING(RADEON_READ(RADEON_CRTC2_OFFSET_CNTL) |
2151                  RADEON_CRTC_OFFSET_FLIP_CNTL);
2152         ADVANCE_RING();
2153
2154         dev_priv->page_flipping = 1;
2155
2156         if (dev_priv->sarea_priv->pfCurrentPage != 1)
2157                 dev_priv->sarea_priv->pfCurrentPage = 0;
2158
2159         return 0;
2160 }
2161
2162 /* Swapping and flipping are different operations, need different ioctls.
2163  * They can & should be intermixed to support multiple 3d windows.
2164  */
2165 static int radeon_cp_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
2166 {
2167         drm_radeon_private_t *dev_priv = dev->dev_private;
2168         DRM_DEBUG("\n");
2169
2170         LOCK_TEST_WITH_RETURN(dev, file_priv);
2171
2172         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2173
2174         if (!dev_priv->page_flipping)
2175                 radeon_do_init_pageflip(dev);
2176
2177         radeon_cp_dispatch_flip(dev);
2178
2179         COMMIT_RING();
2180         return 0;
2181 }
2182
2183 static int radeon_cp_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
2184 {
2185         drm_radeon_private_t *dev_priv = dev->dev_private;
2186         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2187         DRM_DEBUG("\n");
2188
2189         LOCK_TEST_WITH_RETURN(dev, file_priv);
2190
2191         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2192
2193         if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2194                 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
2195
2196         radeon_cp_dispatch_swap(dev);
2197         dev_priv->sarea_priv->ctx_owner = 0;
2198
2199         COMMIT_RING();
2200         return 0;
2201 }
2202
2203 static int radeon_cp_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
2204 {
2205         drm_radeon_private_t *dev_priv = dev->dev_private;
2206         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2207         struct drm_device_dma *dma = dev->dma;
2208         struct drm_buf *buf;
2209         drm_radeon_vertex_t *vertex = data;
2210         drm_radeon_tcl_prim_t prim;
2211
2212         LOCK_TEST_WITH_RETURN(dev, file_priv);
2213
2214         DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
2215                   DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
2216
2217         if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
2218                 DRM_ERROR("buffer index %d (of %d max)\n",
2219                           vertex->idx, dma->buf_count - 1);
2220                 return -EINVAL;
2221         }
2222         if (vertex->prim < 0 || vertex->prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST) {
2223                 DRM_ERROR("buffer prim %d\n", vertex->prim);
2224                 return -EINVAL;
2225         }
2226
2227         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2228         VB_AGE_TEST_WITH_RETURN(dev_priv);
2229
2230         buf = dma->buflist[vertex->idx];
2231
2232         if (buf->file_priv != file_priv) {
2233                 DRM_ERROR("process %d using buffer owned by %p\n",
2234                           DRM_CURRENTPID, buf->file_priv);
2235                 return -EINVAL;
2236         }
2237         if (buf->pending) {
2238                 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
2239                 return -EINVAL;
2240         }
2241
2242         /* Build up a prim_t record:
2243          */
2244         if (vertex->count) {
2245                 buf->used = vertex->count;      /* not used? */
2246
2247                 if (sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS) {
2248                         if (radeon_emit_state(dev_priv, file_priv,
2249                                               &sarea_priv->context_state,
2250                                               sarea_priv->tex_state,
2251                                               sarea_priv->dirty)) {
2252                                 DRM_ERROR("radeon_emit_state failed\n");
2253                                 return -EINVAL;
2254                         }
2255
2256                         sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
2257                                                RADEON_UPLOAD_TEX1IMAGES |
2258                                                RADEON_UPLOAD_TEX2IMAGES |
2259                                                RADEON_REQUIRE_QUIESCENCE);
2260                 }
2261
2262                 prim.start = 0;
2263                 prim.finish = vertex->count;    /* unused */
2264                 prim.prim = vertex->prim;
2265                 prim.numverts = vertex->count;
2266                 prim.vc_format = dev_priv->sarea_priv->vc_format;
2267
2268                 radeon_cp_dispatch_vertex(dev, buf, &prim);
2269         }
2270
2271         if (vertex->discard) {
2272                 radeon_cp_discard_buffer(dev, buf);
2273         }
2274
2275         COMMIT_RING();
2276         return 0;
2277 }
2278
2279 static int radeon_cp_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
2280 {
2281         drm_radeon_private_t *dev_priv = dev->dev_private;
2282         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2283         struct drm_device_dma *dma = dev->dma;
2284         struct drm_buf *buf;
2285         drm_radeon_indices_t *elts = data;
2286         drm_radeon_tcl_prim_t prim;
2287         int count;
2288
2289         LOCK_TEST_WITH_RETURN(dev, file_priv);
2290
2291         DRM_DEBUG("pid=%d index=%d start=%d end=%d discard=%d\n",
2292                   DRM_CURRENTPID, elts->idx, elts->start, elts->end,
2293                   elts->discard);
2294
2295         if (elts->idx < 0 || elts->idx >= dma->buf_count) {
2296                 DRM_ERROR("buffer index %d (of %d max)\n",
2297                           elts->idx, dma->buf_count - 1);
2298                 return -EINVAL;
2299         }
2300         if (elts->prim < 0 || elts->prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST) {
2301                 DRM_ERROR("buffer prim %d\n", elts->prim);
2302                 return -EINVAL;
2303         }
2304
2305         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2306         VB_AGE_TEST_WITH_RETURN(dev_priv);
2307
2308         buf = dma->buflist[elts->idx];
2309
2310         if (buf->file_priv != file_priv) {
2311                 DRM_ERROR("process %d using buffer owned by %p\n",
2312                           DRM_CURRENTPID, buf->file_priv);
2313                 return -EINVAL;
2314         }
2315         if (buf->pending) {
2316                 DRM_ERROR("sending pending buffer %d\n", elts->idx);
2317                 return -EINVAL;
2318         }
2319
2320         count = (elts->end - elts->start) / sizeof(u16);
2321         elts->start -= RADEON_INDEX_PRIM_OFFSET;
2322
2323         if (elts->start & 0x7) {
2324                 DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
2325                 return -EINVAL;
2326         }
2327         if (elts->start < buf->used) {
2328                 DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
2329                 return -EINVAL;
2330         }
2331
2332         buf->used = elts->end;
2333
2334         if (sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS) {
2335                 if (radeon_emit_state(dev_priv, file_priv,
2336                                       &sarea_priv->context_state,
2337                                       sarea_priv->tex_state,
2338                                       sarea_priv->dirty)) {
2339                         DRM_ERROR("radeon_emit_state failed\n");
2340                         return -EINVAL;
2341                 }
2342
2343                 sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
2344                                        RADEON_UPLOAD_TEX1IMAGES |
2345                                        RADEON_UPLOAD_TEX2IMAGES |
2346                                        RADEON_REQUIRE_QUIESCENCE);
2347         }
2348
2349         /* Build up a prim_t record:
2350          */
2351         prim.start = elts->start;
2352         prim.finish = elts->end;
2353         prim.prim = elts->prim;
2354         prim.offset = 0;        /* offset from start of dma buffers */
2355         prim.numverts = RADEON_MAX_VB_VERTS;    /* duh */
2356         prim.vc_format = dev_priv->sarea_priv->vc_format;
2357
2358         radeon_cp_dispatch_indices(dev, buf, &prim);
2359         if (elts->discard) {
2360                 radeon_cp_discard_buffer(dev, buf);
2361         }
2362
2363         COMMIT_RING();
2364         return 0;
2365 }
2366
2367 static int radeon_cp_texture(struct drm_device *dev, void *data, struct drm_file *file_priv)
2368 {
2369         drm_radeon_private_t *dev_priv = dev->dev_private;
2370         drm_radeon_texture_t *tex = data;
2371         drm_radeon_tex_image_t image;
2372         int ret;
2373
2374         LOCK_TEST_WITH_RETURN(dev, file_priv);
2375
2376         if (tex->image == NULL) {
2377                 DRM_ERROR("null texture image!\n");
2378                 return -EINVAL;
2379         }
2380
2381         if (DRM_COPY_FROM_USER(&image,
2382                                (drm_radeon_tex_image_t __user *) tex->image,
2383                                sizeof(image)))
2384                 return -EFAULT;
2385
2386         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2387         VB_AGE_TEST_WITH_RETURN(dev_priv);
2388
2389         ret = radeon_cp_dispatch_texture(dev, file_priv, tex, &image);
2390
2391         return ret;
2392 }
2393
2394 static int radeon_cp_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
2395 {
2396         drm_radeon_private_t *dev_priv = dev->dev_private;
2397         drm_radeon_stipple_t *stipple = data;
2398         u32 mask[32];
2399
2400         LOCK_TEST_WITH_RETURN(dev, file_priv);
2401
2402         if (DRM_COPY_FROM_USER(&mask, stipple->mask, 32 * sizeof(u32)))
2403                 return -EFAULT;
2404
2405         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2406
2407         radeon_cp_dispatch_stipple(dev, mask);
2408
2409         COMMIT_RING();
2410         return 0;
2411 }
2412
2413 static int radeon_cp_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
2414 {
2415         drm_radeon_private_t *dev_priv = dev->dev_private;
2416         struct drm_device_dma *dma = dev->dma;
2417         struct drm_buf *buf;
2418         drm_radeon_indirect_t *indirect = data;
2419         RING_LOCALS;
2420
2421         LOCK_TEST_WITH_RETURN(dev, file_priv);
2422
2423         DRM_DEBUG("idx=%d s=%d e=%d d=%d\n",
2424                   indirect->idx, indirect->start, indirect->end,
2425                   indirect->discard);
2426
2427         if (indirect->idx < 0 || indirect->idx >= dma->buf_count) {
2428                 DRM_ERROR("buffer index %d (of %d max)\n",
2429                           indirect->idx, dma->buf_count - 1);
2430                 return -EINVAL;
2431         }
2432
2433         buf = dma->buflist[indirect->idx];
2434
2435         if (buf->file_priv != file_priv) {
2436                 DRM_ERROR("process %d using buffer owned by %p\n",
2437                           DRM_CURRENTPID, buf->file_priv);
2438                 return -EINVAL;
2439         }
2440         if (buf->pending) {
2441                 DRM_ERROR("sending pending buffer %d\n", indirect->idx);
2442                 return -EINVAL;
2443         }
2444
2445         if (indirect->start < buf->used) {
2446                 DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
2447                           indirect->start, buf->used);
2448                 return -EINVAL;
2449         }
2450
2451         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2452         VB_AGE_TEST_WITH_RETURN(dev_priv);
2453
2454         buf->used = indirect->end;
2455
2456         /* Wait for the 3D stream to idle before the indirect buffer
2457          * containing 2D acceleration commands is processed.
2458          */
2459         BEGIN_RING(2);
2460
2461         RADEON_WAIT_UNTIL_3D_IDLE();
2462
2463         ADVANCE_RING();
2464
2465         /* Dispatch the indirect buffer full of commands from the
2466          * X server.  This is insecure and is thus only available to
2467          * privileged clients.
2468          */
2469         radeon_cp_dispatch_indirect(dev, buf, indirect->start, indirect->end);
2470         if (indirect->discard) {
2471                 radeon_cp_discard_buffer(dev, buf);
2472         }
2473
2474         COMMIT_RING();
2475         return 0;
2476 }
2477
2478 static int radeon_cp_vertex2(struct drm_device *dev, void *data, struct drm_file *file_priv)
2479 {
2480         drm_radeon_private_t *dev_priv = dev->dev_private;
2481         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2482         struct drm_device_dma *dma = dev->dma;
2483         struct drm_buf *buf;
2484         drm_radeon_vertex2_t *vertex = data;
2485         int i;
2486         unsigned char laststate;
2487
2488         LOCK_TEST_WITH_RETURN(dev, file_priv);
2489
2490         DRM_DEBUG("pid=%d index=%d discard=%d\n",
2491                   DRM_CURRENTPID, vertex->idx, vertex->discard);
2492
2493         if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
2494                 DRM_ERROR("buffer index %d (of %d max)\n",
2495                           vertex->idx, dma->buf_count - 1);
2496                 return -EINVAL;
2497         }
2498
2499         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2500         VB_AGE_TEST_WITH_RETURN(dev_priv);
2501
2502         buf = dma->buflist[vertex->idx];
2503
2504         if (buf->file_priv != file_priv) {
2505                 DRM_ERROR("process %d using buffer owned by %p\n",
2506                           DRM_CURRENTPID, buf->file_priv);
2507                 return -EINVAL;
2508         }
2509
2510         if (buf->pending) {
2511                 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
2512                 return -EINVAL;
2513         }
2514
2515         if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2516                 return -EINVAL;
2517
2518         for (laststate = 0xff, i = 0; i < vertex->nr_prims; i++) {
2519                 drm_radeon_prim_t prim;
2520                 drm_radeon_tcl_prim_t tclprim;
2521
2522                 if (DRM_COPY_FROM_USER(&prim, &vertex->prim[i], sizeof(prim)))
2523                         return -EFAULT;
2524
2525                 if (prim.stateidx != laststate) {
2526                         drm_radeon_state_t state;
2527
2528                         if (DRM_COPY_FROM_USER(&state,
2529                                                &vertex->state[prim.stateidx],
2530                                                sizeof(state)))
2531                                 return -EFAULT;
2532
2533                         if (radeon_emit_state2(dev_priv, file_priv, &state)) {
2534                                 DRM_ERROR("radeon_emit_state2 failed\n");
2535                                 return -EINVAL;
2536                         }
2537
2538                         laststate = prim.stateidx;
2539                 }
2540
2541                 tclprim.start = prim.start;
2542                 tclprim.finish = prim.finish;
2543                 tclprim.prim = prim.prim;
2544                 tclprim.vc_format = prim.vc_format;
2545
2546                 if (prim.prim & RADEON_PRIM_WALK_IND) {
2547                         tclprim.offset = prim.numverts * 64;
2548                         tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */
2549
2550                         radeon_cp_dispatch_indices(dev, buf, &tclprim);
2551                 } else {
2552                         tclprim.numverts = prim.numverts;
2553                         tclprim.offset = 0;     /* not used */
2554
2555                         radeon_cp_dispatch_vertex(dev, buf, &tclprim);
2556                 }
2557
2558                 if (sarea_priv->nbox == 1)
2559                         sarea_priv->nbox = 0;
2560         }
2561
2562         if (vertex->discard) {
2563                 radeon_cp_discard_buffer(dev, buf);
2564         }
2565
2566         COMMIT_RING();
2567         return 0;
2568 }
2569
2570 static int radeon_emit_packets(drm_radeon_private_t * dev_priv,
2571                                struct drm_file *file_priv,
2572                                drm_radeon_cmd_header_t header,
2573                                drm_radeon_kcmd_buffer_t *cmdbuf)
2574 {
2575         int id = (int)header.packet.packet_id;
2576         int sz, reg;
2577         int *data = (int *)cmdbuf->buf;
2578         RING_LOCALS;
2579
2580         if (id >= RADEON_MAX_STATE_PACKETS)
2581                 return -EINVAL;
2582
2583         sz = packet[id].len;
2584         reg = packet[id].start;
2585
2586         if (sz * sizeof(int) > cmdbuf->bufsz) {
2587                 DRM_ERROR("Packet size provided larger than data provided\n");
2588                 return -EINVAL;
2589         }
2590
2591         if (radeon_check_and_fixup_packets(dev_priv, file_priv, id, data)) {
2592                 DRM_ERROR("Packet verification failed\n");
2593                 return -EINVAL;
2594         }
2595
2596         BEGIN_RING(sz + 1);
2597         OUT_RING(CP_PACKET0(reg, (sz - 1)));
2598         OUT_RING_TABLE(data, sz);
2599         ADVANCE_RING();
2600
2601         cmdbuf->buf += sz * sizeof(int);
2602         cmdbuf->bufsz -= sz * sizeof(int);
2603         return 0;
2604 }
2605
2606 static __inline__ int radeon_emit_scalars(drm_radeon_private_t *dev_priv,
2607                                           drm_radeon_cmd_header_t header,
2608                                           drm_radeon_kcmd_buffer_t *cmdbuf)
2609 {
2610         int sz = header.scalars.count;
2611         int start = header.scalars.offset;
2612         int stride = header.scalars.stride;
2613         RING_LOCALS;
2614
2615         BEGIN_RING(3 + sz);
2616         OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
2617         OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
2618         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
2619         OUT_RING_TABLE(cmdbuf->buf, sz);
2620         ADVANCE_RING();
2621         cmdbuf->buf += sz * sizeof(int);
2622         cmdbuf->bufsz -= sz * sizeof(int);
2623         return 0;
2624 }
2625
2626 /* God this is ugly
2627  */
2628 static __inline__ int radeon_emit_scalars2(drm_radeon_private_t *dev_priv,
2629                                            drm_radeon_cmd_header_t header,
2630                                            drm_radeon_kcmd_buffer_t *cmdbuf)
2631 {
2632         int sz = header.scalars.count;
2633         int start = ((unsigned int)header.scalars.offset) + 0x100;
2634         int stride = header.scalars.stride;
2635         RING_LOCALS;
2636
2637         BEGIN_RING(3 + sz);
2638         OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
2639         OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
2640         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
2641         OUT_RING_TABLE(cmdbuf->buf, sz);
2642         ADVANCE_RING();
2643         cmdbuf->buf += sz * sizeof(int);
2644         cmdbuf->bufsz -= sz * sizeof(int);
2645         return 0;
2646 }
2647
2648 static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv,
2649                                           drm_radeon_cmd_header_t header,
2650                                           drm_radeon_kcmd_buffer_t *cmdbuf)
2651 {
2652         int sz = header.vectors.count;
2653         int start = header.vectors.offset;
2654         int stride = header.vectors.stride;
2655         RING_LOCALS;
2656
2657         BEGIN_RING(5 + sz);
2658         OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
2659         OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
2660         OUT_RING(start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
2661         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
2662         OUT_RING_TABLE(cmdbuf->buf, sz);
2663         ADVANCE_RING();
2664
2665         cmdbuf->buf += sz * sizeof(int);
2666         cmdbuf->bufsz -= sz * sizeof(int);
2667         return 0;
2668 }
2669
2670 static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
2671                                           drm_radeon_cmd_header_t header,
2672                                           drm_radeon_kcmd_buffer_t *cmdbuf)
2673 {
2674         int sz = header.veclinear.count * 4;
2675         int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8);
2676         RING_LOCALS;
2677
2678         if (!sz)
2679                 return 0;
2680         if (sz * 4 > cmdbuf->bufsz)
2681                 return -EINVAL;
2682
2683         BEGIN_RING(5 + sz);
2684         OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
2685         OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
2686         OUT_RING(start | (1 << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
2687         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
2688         OUT_RING_TABLE(cmdbuf->buf, sz);
2689         ADVANCE_RING();
2690
2691         cmdbuf->buf += sz * sizeof(int);
2692         cmdbuf->bufsz -= sz * sizeof(int);
2693         return 0;
2694 }
2695
2696 static int radeon_emit_packet3(struct drm_device * dev,
2697                                struct drm_file *file_priv,
2698                                drm_radeon_kcmd_buffer_t *cmdbuf)
2699 {
2700         drm_radeon_private_t *dev_priv = dev->dev_private;
2701         unsigned int cmdsz;
2702         int ret;
2703         RING_LOCALS;
2704
2705         DRM_DEBUG("\n");
2706
2707         if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
2708                                                   cmdbuf, &cmdsz))) {
2709                 DRM_ERROR("Packet verification failed\n");
2710                 return ret;
2711         }
2712
2713         BEGIN_RING(cmdsz);
2714         OUT_RING_TABLE(cmdbuf->buf, cmdsz);
2715         ADVANCE_RING();
2716
2717         cmdbuf->buf += cmdsz * 4;
2718         cmdbuf->bufsz -= cmdsz * 4;
2719         return 0;
2720 }
2721
2722 static int radeon_emit_packet3_cliprect(struct drm_device *dev,
2723                                         struct drm_file *file_priv,
2724                                         drm_radeon_kcmd_buffer_t *cmdbuf,
2725                                         int orig_nbox)
2726 {
2727         drm_radeon_private_t *dev_priv = dev->dev_private;
2728         struct drm_clip_rect box;
2729         unsigned int cmdsz;
2730         int ret;
2731         struct drm_clip_rect __user *boxes = cmdbuf->boxes;
2732         int i = 0;
2733         RING_LOCALS;
2734
2735         DRM_DEBUG("\n");
2736
2737         if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
2738                                                   cmdbuf, &cmdsz))) {
2739                 DRM_ERROR("Packet verification failed\n");
2740                 return ret;
2741         }
2742
2743         if (!orig_nbox)
2744                 goto out;
2745
2746         do {
2747                 if (i < cmdbuf->nbox) {
2748                         if (DRM_COPY_FROM_USER(&box, &boxes[i], sizeof(box)))
2749                                 return -EFAULT;
2750                         /* FIXME The second and subsequent times round
2751                          * this loop, send a WAIT_UNTIL_3D_IDLE before
2752                          * calling emit_clip_rect(). This fixes a
2753                          * lockup on fast machines when sending
2754                          * several cliprects with a cmdbuf, as when
2755                          * waving a 2D window over a 3D
2756                          * window. Something in the commands from user
2757                          * space seems to hang the card when they're
2758                          * sent several times in a row. That would be
2759                          * the correct place to fix it but this works
2760                          * around it until I can figure that out - Tim
2761                          * Smith */
2762                         if (i) {
2763                                 BEGIN_RING(2);
2764                                 RADEON_WAIT_UNTIL_3D_IDLE();
2765                                 ADVANCE_RING();
2766                         }
2767                         radeon_emit_clip_rect(dev_priv, &box);
2768                 }
2769
2770                 BEGIN_RING(cmdsz);
2771                 OUT_RING_TABLE(cmdbuf->buf, cmdsz);
2772                 ADVANCE_RING();
2773
2774         } while (++i < cmdbuf->nbox);
2775         if (cmdbuf->nbox == 1)
2776                 cmdbuf->nbox = 0;
2777
2778       out:
2779         cmdbuf->buf += cmdsz * 4;
2780         cmdbuf->bufsz -= cmdsz * 4;
2781         return 0;
2782 }
2783
2784 static int radeon_emit_wait(struct drm_device * dev, int flags)
2785 {
2786         drm_radeon_private_t *dev_priv = dev->dev_private;
2787         RING_LOCALS;
2788
2789         DRM_DEBUG("%x\n", flags);
2790         switch (flags) {
2791         case RADEON_WAIT_2D:
2792                 BEGIN_RING(2);
2793                 RADEON_WAIT_UNTIL_2D_IDLE();
2794                 ADVANCE_RING();
2795                 break;
2796         case RADEON_WAIT_3D:
2797                 BEGIN_RING(2);
2798                 RADEON_WAIT_UNTIL_3D_IDLE();
2799                 ADVANCE_RING();
2800                 break;
2801         case RADEON_WAIT_2D | RADEON_WAIT_3D:
2802                 BEGIN_RING(2);
2803                 RADEON_WAIT_UNTIL_IDLE();
2804                 ADVANCE_RING();
2805                 break;
2806         default:
2807                 return -EINVAL;
2808         }
2809
2810         return 0;
2811 }
2812
2813 static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv)
2814 {
2815         drm_radeon_private_t *dev_priv = dev->dev_private;
2816         struct drm_device_dma *dma = dev->dma;
2817         struct drm_buf *buf = NULL;
2818         int idx;
2819         drm_radeon_kcmd_buffer_t *cmdbuf = data;
2820         drm_radeon_cmd_header_t header;
2821         int orig_nbox, orig_bufsz;
2822         char *kbuf = NULL;
2823
2824         LOCK_TEST_WITH_RETURN(dev, file_priv);
2825
2826         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2827         VB_AGE_TEST_WITH_RETURN(dev_priv);
2828
2829         if (cmdbuf->bufsz > 64 * 1024 || cmdbuf->bufsz < 0) {
2830                 return -EINVAL;
2831         }
2832
2833         /* Allocate an in-kernel area and copy in the cmdbuf.  Do this to avoid
2834          * races between checking values and using those values in other code,
2835          * and simply to avoid a lot of function calls to copy in data.
2836          */
2837         orig_bufsz = cmdbuf->bufsz;
2838         if (orig_bufsz != 0) {
2839                 kbuf = drm_alloc(cmdbuf->bufsz, DRM_MEM_DRIVER);
2840                 if (kbuf == NULL)
2841                         return -ENOMEM;
2842                 if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf->buf,
2843                                        cmdbuf->bufsz)) {
2844                         drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2845                         return -EFAULT;
2846                 }
2847                 cmdbuf->buf = kbuf;
2848         }
2849
2850         orig_nbox = cmdbuf->nbox;
2851
2852         if (dev_priv->microcode_version == UCODE_R300) {
2853                 int temp;
2854                 temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
2855
2856                 if (orig_bufsz != 0)
2857                         drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2858
2859                 return temp;
2860         }
2861
2862         /* microcode_version != r300 */
2863         while (cmdbuf->bufsz >= sizeof(header)) {
2864
2865                 header.i = *(int *)cmdbuf->buf;
2866                 cmdbuf->buf += sizeof(header);
2867                 cmdbuf->bufsz -= sizeof(header);
2868
2869                 switch (header.header.cmd_type) {
2870                 case RADEON_CMD_PACKET:
2871                         DRM_DEBUG("RADEON_CMD_PACKET\n");
2872                         if (radeon_emit_packets
2873                             (dev_priv, file_priv, header, cmdbuf)) {
2874                                 DRM_ERROR("radeon_emit_packets failed\n");
2875                                 goto err;
2876                         }
2877                         break;
2878
2879                 case RADEON_CMD_SCALARS:
2880                         DRM_DEBUG("RADEON_CMD_SCALARS\n");
2881                         if (radeon_emit_scalars(dev_priv, header, cmdbuf)) {
2882                                 DRM_ERROR("radeon_emit_scalars failed\n");
2883                                 goto err;
2884                         }
2885                         break;
2886
2887                 case RADEON_CMD_VECTORS:
2888                         DRM_DEBUG("RADEON_CMD_VECTORS\n");
2889                         if (radeon_emit_vectors(dev_priv, header, cmdbuf)) {
2890                                 DRM_ERROR("radeon_emit_vectors failed\n");
2891                                 goto err;
2892                         }
2893                         break;
2894
2895                 case RADEON_CMD_DMA_DISCARD:
2896                         DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n");
2897                         idx = header.dma.buf_idx;
2898                         if (idx < 0 || idx >= dma->buf_count) {
2899                                 DRM_ERROR("buffer index %d (of %d max)\n",
2900                                           idx, dma->buf_count - 1);
2901                                 goto err;
2902                         }
2903
2904                         buf = dma->buflist[idx];
2905                         if (buf->file_priv != file_priv || buf->pending) {
2906                                 DRM_ERROR("bad buffer %p %p %d\n",
2907                                           buf->file_priv, file_priv,
2908                                           buf->pending);
2909                                 goto err;
2910                         }
2911
2912                         radeon_cp_discard_buffer(dev, buf);
2913                         break;
2914
2915                 case RADEON_CMD_PACKET3:
2916                         DRM_DEBUG("RADEON_CMD_PACKET3\n");
2917                         if (radeon_emit_packet3(dev, file_priv, cmdbuf)) {
2918                                 DRM_ERROR("radeon_emit_packet3 failed\n");
2919                                 goto err;
2920                         }
2921                         break;
2922
2923                 case RADEON_CMD_PACKET3_CLIP:
2924                         DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n");
2925                         if (radeon_emit_packet3_cliprect
2926                             (dev, file_priv, cmdbuf, orig_nbox)) {
2927                                 DRM_ERROR("radeon_emit_packet3_clip failed\n");
2928                                 goto err;
2929                         }
2930                         break;
2931
2932                 case RADEON_CMD_SCALARS2:
2933                         DRM_DEBUG("RADEON_CMD_SCALARS2\n");
2934                         if (radeon_emit_scalars2(dev_priv, header, cmdbuf)) {
2935                                 DRM_ERROR("radeon_emit_scalars2 failed\n");
2936                                 goto err;
2937                         }
2938                         break;
2939
2940                 case RADEON_CMD_WAIT:
2941                         DRM_DEBUG("RADEON_CMD_WAIT\n");
2942                         if (radeon_emit_wait(dev, header.wait.flags)) {
2943                                 DRM_ERROR("radeon_emit_wait failed\n");
2944                                 goto err;
2945                         }
2946                         break;
2947                 case RADEON_CMD_VECLINEAR:
2948                         DRM_DEBUG("RADEON_CMD_VECLINEAR\n");
2949                         if (radeon_emit_veclinear(dev_priv, header, cmdbuf)) {
2950                                 DRM_ERROR("radeon_emit_veclinear failed\n");
2951                                 goto err;
2952                         }
2953                         break;
2954
2955                 default:
2956                         DRM_ERROR("bad cmd_type %d at %p\n",
2957                                   header.header.cmd_type,
2958                                   cmdbuf->buf - sizeof(header));
2959                         goto err;
2960                 }
2961         }
2962
2963         if (orig_bufsz != 0)
2964                 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2965
2966         DRM_DEBUG("DONE\n");
2967         COMMIT_RING();
2968         return 0;
2969
2970       err:
2971         if (orig_bufsz != 0)
2972                 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2973         return -EINVAL;
2974 }
2975
2976 static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
2977 {
2978         drm_radeon_private_t *dev_priv = dev->dev_private;
2979         drm_radeon_getparam_t *param = data;
2980         int value;
2981
2982         DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
2983
2984         switch (param->param) {
2985         case RADEON_PARAM_GART_BUFFER_OFFSET:
2986                 value = dev_priv->gart_buffers_offset;
2987                 break;
2988         case RADEON_PARAM_LAST_FRAME:
2989                 dev_priv->stats.last_frame_reads++;
2990                 value = GET_SCRATCH(0);
2991                 break;
2992         case RADEON_PARAM_LAST_DISPATCH:
2993                 value = GET_SCRATCH(1);
2994                 break;
2995         case RADEON_PARAM_LAST_CLEAR:
2996                 dev_priv->stats.last_clear_reads++;
2997                 value = GET_SCRATCH(2);
2998                 break;
2999         case RADEON_PARAM_IRQ_NR:
3000                 value = dev->irq;
3001                 break;
3002         case RADEON_PARAM_GART_BASE:
3003                 value = dev_priv->gart_vm_start;
3004                 break;
3005         case RADEON_PARAM_REGISTER_HANDLE:
3006                 value = dev_priv->mmio->offset;
3007                 break;
3008         case RADEON_PARAM_STATUS_HANDLE:
3009                 value = dev_priv->ring_rptr_offset;
3010                 break;
3011 #if BITS_PER_LONG == 32
3012                 /*
3013                  * This ioctl() doesn't work on 64-bit platforms because hw_lock is a
3014                  * pointer which can't fit into an int-sized variable.  According to
3015                  * Michel Dänzer, the ioctl() is only used on embedded platforms, so
3016                  * not supporting it shouldn't be a problem.  If the same functionality
3017                  * is needed on 64-bit platforms, a new ioctl() would have to be added,
3018                  * so backwards-compatibility for the embedded platforms can be
3019                  * maintained.  --davidm 4-Feb-2004.
3020                  */
3021         case RADEON_PARAM_SAREA_HANDLE:
3022                 /* The lock is the first dword in the sarea. */
3023                 value = (long)dev->lock.hw_lock;
3024                 break;
3025 #endif
3026         case RADEON_PARAM_GART_TEX_HANDLE:
3027                 value = dev_priv->gart_textures_offset;
3028                 break;
3029         case RADEON_PARAM_SCRATCH_OFFSET:
3030                 if (!dev_priv->writeback_works)
3031                         return -EINVAL;
3032                 value = RADEON_SCRATCH_REG_OFFSET;
3033                 break;
3034         case RADEON_PARAM_CARD_TYPE:
3035                 if (dev_priv->flags & RADEON_IS_PCIE)
3036                         value = RADEON_CARD_PCIE;
3037                 else if (dev_priv->flags & RADEON_IS_AGP)
3038                         value = RADEON_CARD_AGP;
3039                 else
3040                         value = RADEON_CARD_PCI;
3041                 break;
3042         case RADEON_PARAM_VBLANK_CRTC:
3043                 value = radeon_vblank_crtc_get(dev);
3044                 break;
3045         case RADEON_PARAM_FB_LOCATION:
3046                 value = radeon_read_fb_location(dev_priv);
3047                 break;
3048         case RADEON_PARAM_NUM_GB_PIPES:
3049                 value = dev_priv->num_gb_pipes;
3050                 break;
3051         default:
3052                 DRM_DEBUG("Invalid parameter %d\n", param->param);
3053                 return -EINVAL;
3054         }
3055
3056         if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
3057                 DRM_ERROR("copy_to_user\n");
3058                 return -EFAULT;
3059         }
3060
3061         return 0;
3062 }
3063
3064 static int radeon_cp_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
3065 {
3066         drm_radeon_private_t *dev_priv = dev->dev_private;
3067         drm_radeon_setparam_t *sp = data;
3068         struct drm_radeon_driver_file_fields *radeon_priv;
3069
3070         switch (sp->param) {
3071         case RADEON_SETPARAM_FB_LOCATION:
3072                 radeon_priv = file_priv->driver_priv;
3073                 radeon_priv->radeon_fb_delta = dev_priv->fb_location -
3074                     sp->value;
3075                 break;
3076         case RADEON_SETPARAM_SWITCH_TILING:
3077                 if (sp->value == 0) {
3078                         DRM_DEBUG("color tiling disabled\n");
3079                         dev_priv->front_pitch_offset &= ~RADEON_DST_TILE_MACRO;
3080                         dev_priv->back_pitch_offset &= ~RADEON_DST_TILE_MACRO;
3081                         dev_priv->sarea_priv->tiling_enabled = 0;
3082                 } else if (sp->value == 1) {
3083                         DRM_DEBUG("color tiling enabled\n");
3084                         dev_priv->front_pitch_offset |= RADEON_DST_TILE_MACRO;
3085                         dev_priv->back_pitch_offset |= RADEON_DST_TILE_MACRO;
3086                         dev_priv->sarea_priv->tiling_enabled = 1;
3087                 }
3088                 break;
3089         case RADEON_SETPARAM_PCIGART_LOCATION:
3090                 dev_priv->pcigart_offset = sp->value;
3091                 dev_priv->pcigart_offset_set = 1;
3092                 break;
3093         case RADEON_SETPARAM_NEW_MEMMAP:
3094                 dev_priv->new_memmap = sp->value;
3095                 break;
3096         case RADEON_SETPARAM_PCIGART_TABLE_SIZE:
3097                 dev_priv->gart_info.table_size = sp->value;
3098                 if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
3099                         dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
3100                 break;
3101         case RADEON_SETPARAM_VBLANK_CRTC:
3102                 return radeon_vblank_crtc_set(dev, sp->value);
3103                 break;
3104         default:
3105                 DRM_DEBUG("Invalid parameter %d\n", sp->param);
3106                 return -EINVAL;
3107         }
3108
3109         return 0;
3110 }
3111
3112 /* When a client dies:
3113  *    - Check for and clean up flipped page state
3114  *    - Free any alloced GART memory.
3115  *    - Free any alloced radeon surfaces.
3116  *
3117  * DRM infrastructure takes care of reclaiming dma buffers.
3118  */
3119 void radeon_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
3120 {
3121         if (dev->dev_private) {
3122                 drm_radeon_private_t *dev_priv = dev->dev_private;
3123                 dev_priv->page_flipping = 0;
3124                 radeon_mem_release(file_priv, dev_priv->gart_heap);
3125                 radeon_mem_release(file_priv, dev_priv->fb_heap);
3126                 radeon_surfaces_release(file_priv, dev_priv);
3127         }
3128 }
3129
3130 void radeon_driver_lastclose(struct drm_device *dev)
3131 {
3132         if (dev->dev_private) {
3133                 drm_radeon_private_t *dev_priv = dev->dev_private;
3134
3135                 if (dev_priv->sarea_priv &&
3136                     dev_priv->sarea_priv->pfCurrentPage != 0)
3137                         radeon_cp_dispatch_flip(dev);
3138         }
3139
3140         radeon_do_release(dev);
3141 }
3142
3143 int radeon_driver_open(struct drm_device *dev, struct drm_file *file_priv)
3144 {
3145         drm_radeon_private_t *dev_priv = dev->dev_private;
3146         struct drm_radeon_driver_file_fields *radeon_priv;
3147
3148         DRM_DEBUG("\n");
3149         radeon_priv =
3150             (struct drm_radeon_driver_file_fields *)
3151             drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES);
3152
3153         if (!radeon_priv)
3154                 return -ENOMEM;
3155
3156         file_priv->driver_priv = radeon_priv;
3157
3158         if (dev_priv)
3159                 radeon_priv->radeon_fb_delta = dev_priv->fb_location;
3160         else
3161                 radeon_priv->radeon_fb_delta = 0;
3162         return 0;
3163 }
3164
3165 void radeon_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
3166 {
3167         struct drm_radeon_driver_file_fields *radeon_priv =
3168             file_priv->driver_priv;
3169
3170         drm_free(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES);
3171 }
3172
3173 struct drm_ioctl_desc radeon_ioctls[] = {
3174         DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, radeon_cp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3175         DRM_IOCTL_DEF(DRM_RADEON_CP_START, radeon_cp_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3176         DRM_IOCTL_DEF(DRM_RADEON_CP_STOP, radeon_cp_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3177         DRM_IOCTL_DEF(DRM_RADEON_CP_RESET, radeon_cp_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3178         DRM_IOCTL_DEF(DRM_RADEON_CP_IDLE, radeon_cp_idle, DRM_AUTH),
3179         DRM_IOCTL_DEF(DRM_RADEON_CP_RESUME, radeon_cp_resume, DRM_AUTH),
3180         DRM_IOCTL_DEF(DRM_RADEON_RESET, radeon_engine_reset, DRM_AUTH),
3181         DRM_IOCTL_DEF(DRM_RADEON_FULLSCREEN, radeon_fullscreen, DRM_AUTH),
3182         DRM_IOCTL_DEF(DRM_RADEON_SWAP, radeon_cp_swap, DRM_AUTH),
3183         DRM_IOCTL_DEF(DRM_RADEON_CLEAR, radeon_cp_clear, DRM_AUTH),
3184         DRM_IOCTL_DEF(DRM_RADEON_VERTEX, radeon_cp_vertex, DRM_AUTH),
3185         DRM_IOCTL_DEF(DRM_RADEON_INDICES, radeon_cp_indices, DRM_AUTH),
3186         DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, radeon_cp_texture, DRM_AUTH),
3187         DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, radeon_cp_stipple, DRM_AUTH),
3188         DRM_IOCTL_DEF(DRM_RADEON_INDIRECT, radeon_cp_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3189         DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, radeon_cp_vertex2, DRM_AUTH),
3190         DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, radeon_cp_cmdbuf, DRM_AUTH),
3191         DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, radeon_cp_getparam, DRM_AUTH),
3192         DRM_IOCTL_DEF(DRM_RADEON_FLIP, radeon_cp_flip, DRM_AUTH),
3193         DRM_IOCTL_DEF(DRM_RADEON_ALLOC, radeon_mem_alloc, DRM_AUTH),
3194         DRM_IOCTL_DEF(DRM_RADEON_FREE, radeon_mem_free, DRM_AUTH),
3195         DRM_IOCTL_DEF(DRM_RADEON_INIT_HEAP, radeon_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3196         DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, radeon_irq_emit, DRM_AUTH),
3197         DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait, DRM_AUTH),
3198         DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam, DRM_AUTH),
3199         DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc, DRM_AUTH),
3200         DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free, DRM_AUTH)
3201 };
3202
3203 int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls);