drivers/char/drm/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;
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         DRM_DEBUG("tex=%dx%d blit=%d\n", tex_width, tex->height, blit_width);
1731
1732         do {
1733                 DRM_DEBUG("tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n",
1734                           tex->offset >> 10, tex->pitch, tex->format,
1735                           image->x, image->y, image->width, image->height);
1736
1737                 /* Make a copy of some parameters in case we have to
1738                  * update them for a multi-pass texture blit.
1739                  */
1740                 height = image->height;
1741                 data = (const u8 __user *)image->data;
1742
1743                 size = height * blit_width;
1744
1745                 if (size > RADEON_MAX_TEXTURE_SIZE) {
1746                         height = RADEON_MAX_TEXTURE_SIZE / blit_width;
1747                         size = height * blit_width;
1748                 } else if (size < 4 && size > 0) {
1749                         size = 4;
1750                 } else if (size == 0) {
1751                         return 0;
1752                 }
1753
1754                 buf = radeon_freelist_get(dev);
1755                 if (0 && !buf) {
1756                         radeon_do_cp_idle(dev_priv);
1757                         buf = radeon_freelist_get(dev);
1758                 }
1759                 if (!buf) {
1760                         DRM_DEBUG("EAGAIN\n");
1761                         if (DRM_COPY_TO_USER(tex->image, image, sizeof(*image)))
1762                                 return -EFAULT;
1763                         return -EAGAIN;
1764                 }
1765
1766                 /* Dispatch the indirect buffer.
1767                  */
1768                 buffer =
1769                     (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset);
1770                 dwords = size / 4;
1771
1772 #define RADEON_COPY_MT(_buf, _data, _width) \
1773         do { \
1774                 if (DRM_COPY_FROM_USER(_buf, _data, (_width))) {\
1775                         DRM_ERROR("EFAULT on pad, %d bytes\n", (_width)); \
1776                         return -EFAULT; \
1777                 } \
1778         } while(0)
1779
1780                 if (microtile) {
1781                         /* texture micro tiling in use, minimum texture width is thus 16 bytes.
1782                            however, we cannot use blitter directly for texture width < 64 bytes,
1783                            since minimum tex pitch is 64 bytes and we need this to match
1784                            the texture width, otherwise the blitter will tile it wrong.
1785                            Thus, tiling manually in this case. Additionally, need to special
1786                            case tex height = 1, since our actual image will have height 2
1787                            and we need to ensure we don't read beyond the texture size
1788                            from user space. */
1789                         if (tex->height == 1) {
1790                                 if (tex_width >= 64 || tex_width <= 16) {
1791                                         RADEON_COPY_MT(buffer, data,
1792                                                 (int)(tex_width * sizeof(u32)));
1793                                 } else if (tex_width == 32) {
1794                                         RADEON_COPY_MT(buffer, data, 16);
1795                                         RADEON_COPY_MT(buffer + 8,
1796                                                        data + 16, 16);
1797                                 }
1798                         } else if (tex_width >= 64 || tex_width == 16) {
1799                                 RADEON_COPY_MT(buffer, data,
1800                                                (int)(dwords * sizeof(u32)));
1801                         } else if (tex_width < 16) {
1802                                 for (i = 0; i < tex->height; i++) {
1803                                         RADEON_COPY_MT(buffer, data, tex_width);
1804                                         buffer += 4;
1805                                         data += tex_width;
1806                                 }
1807                         } else if (tex_width == 32) {
1808                                 /* TODO: make sure this works when not fitting in one buffer
1809                                    (i.e. 32bytes x 2048...) */
1810                                 for (i = 0; i < tex->height; i += 2) {
1811                                         RADEON_COPY_MT(buffer, data, 16);
1812                                         data += 16;
1813                                         RADEON_COPY_MT(buffer + 8, data, 16);
1814                                         data += 16;
1815                                         RADEON_COPY_MT(buffer + 4, data, 16);
1816                                         data += 16;
1817                                         RADEON_COPY_MT(buffer + 12, data, 16);
1818                                         data += 16;
1819                                         buffer += 16;
1820                                 }
1821                         }
1822                 } else {
1823                         if (tex_width >= 32) {
1824                                 /* Texture image width is larger than the minimum, so we
1825                                  * can upload it directly.
1826                                  */
1827                                 RADEON_COPY_MT(buffer, data,
1828                                                (int)(dwords * sizeof(u32)));
1829                         } else {
1830                                 /* Texture image width is less than the minimum, so we
1831                                  * need to pad out each image scanline to the minimum
1832                                  * width.
1833                                  */
1834                                 for (i = 0; i < tex->height; i++) {
1835                                         RADEON_COPY_MT(buffer, data, tex_width);
1836                                         buffer += 8;
1837                                         data += tex_width;
1838                                 }
1839                         }
1840                 }
1841
1842 #undef RADEON_COPY_MT
1843                 buf->file_priv = file_priv;
1844                 buf->used = size;
1845                 offset = dev_priv->gart_buffers_offset + buf->offset;
1846                 BEGIN_RING(9);
1847                 OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT_MULTI, 5));
1848                 OUT_RING(RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
1849                          RADEON_GMC_DST_PITCH_OFFSET_CNTL |
1850                          RADEON_GMC_BRUSH_NONE |
1851                          (format << 8) |
1852                          RADEON_GMC_SRC_DATATYPE_COLOR |
1853                          RADEON_ROP3_S |
1854                          RADEON_DP_SRC_SOURCE_MEMORY |
1855                          RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);
1856                 OUT_RING((spitch << 22) | (offset >> 10));
1857                 OUT_RING((texpitch << 22) | (tex->offset >> 10));
1858                 OUT_RING(0);
1859                 OUT_RING((image->x << 16) | image->y);
1860                 OUT_RING((image->width << 16) | height);
1861                 RADEON_WAIT_UNTIL_2D_IDLE();
1862                 ADVANCE_RING();
1863                 COMMIT_RING();
1864
1865                 radeon_cp_discard_buffer(dev, buf);
1866
1867                 /* Update the input parameters for next time */
1868                 image->y += height;
1869                 image->height -= height;
1870                 image->data = (const u8 __user *)image->data + size;
1871         } while (image->height > 0);
1872
1873         /* Flush the pixel cache after the blit completes.  This ensures
1874          * the texture data is written out to memory before rendering
1875          * continues.
1876          */
1877         BEGIN_RING(4);
1878         RADEON_FLUSH_CACHE();
1879         RADEON_WAIT_UNTIL_2D_IDLE();
1880         ADVANCE_RING();
1881         COMMIT_RING();
1882
1883         return 0;
1884 }
1885
1886 static void radeon_cp_dispatch_stipple(struct drm_device * dev, u32 * stipple)
1887 {
1888         drm_radeon_private_t *dev_priv = dev->dev_private;
1889         int i;
1890         RING_LOCALS;
1891         DRM_DEBUG("\n");
1892
1893         BEGIN_RING(35);
1894
1895         OUT_RING(CP_PACKET0(RADEON_RE_STIPPLE_ADDR, 0));
1896         OUT_RING(0x00000000);
1897
1898         OUT_RING(CP_PACKET0_TABLE(RADEON_RE_STIPPLE_DATA, 31));
1899         for (i = 0; i < 32; i++) {
1900                 OUT_RING(stipple[i]);
1901         }
1902
1903         ADVANCE_RING();
1904 }
1905
1906 static void radeon_apply_surface_regs(int surf_index,
1907                                       drm_radeon_private_t *dev_priv)
1908 {
1909         if (!dev_priv->mmio)
1910                 return;
1911
1912         radeon_do_cp_idle(dev_priv);
1913
1914         RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * surf_index,
1915                      dev_priv->surfaces[surf_index].flags);
1916         RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * surf_index,
1917                      dev_priv->surfaces[surf_index].lower);
1918         RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * surf_index,
1919                      dev_priv->surfaces[surf_index].upper);
1920 }
1921
1922 /* Allocates a virtual surface
1923  * doesn't always allocate a real surface, will stretch an existing
1924  * surface when possible.
1925  *
1926  * Note that refcount can be at most 2, since during a free refcount=3
1927  * might mean we have to allocate a new surface which might not always
1928  * be available.
1929  * For example : we allocate three contigous surfaces ABC. If B is
1930  * freed, we suddenly need two surfaces to store A and C, which might
1931  * not always be available.
1932  */
1933 static int alloc_surface(drm_radeon_surface_alloc_t *new,
1934                          drm_radeon_private_t *dev_priv,
1935                          struct drm_file *file_priv)
1936 {
1937         struct radeon_virt_surface *s;
1938         int i;
1939         int virt_surface_index;
1940         uint32_t new_upper, new_lower;
1941
1942         new_lower = new->address;
1943         new_upper = new_lower + new->size - 1;
1944
1945         /* sanity check */
1946         if ((new_lower >= new_upper) || (new->flags == 0) || (new->size == 0) ||
1947             ((new_upper & RADEON_SURF_ADDRESS_FIXED_MASK) !=
1948              RADEON_SURF_ADDRESS_FIXED_MASK)
1949             || ((new_lower & RADEON_SURF_ADDRESS_FIXED_MASK) != 0))
1950                 return -1;
1951
1952         /* make sure there is no overlap with existing surfaces */
1953         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1954                 if ((dev_priv->surfaces[i].refcount != 0) &&
1955                     (((new_lower >= dev_priv->surfaces[i].lower) &&
1956                       (new_lower < dev_priv->surfaces[i].upper)) ||
1957                      ((new_lower < dev_priv->surfaces[i].lower) &&
1958                       (new_upper > dev_priv->surfaces[i].lower)))) {
1959                         return -1;
1960                 }
1961         }
1962
1963         /* find a virtual surface */
1964         for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++)
1965                 if (dev_priv->virt_surfaces[i].file_priv == 0)
1966                         break;
1967         if (i == 2 * RADEON_MAX_SURFACES) {
1968                 return -1;
1969         }
1970         virt_surface_index = i;
1971
1972         /* try to reuse an existing surface */
1973         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1974                 /* extend before */
1975                 if ((dev_priv->surfaces[i].refcount == 1) &&
1976                     (new->flags == dev_priv->surfaces[i].flags) &&
1977                     (new_upper + 1 == dev_priv->surfaces[i].lower)) {
1978                         s = &(dev_priv->virt_surfaces[virt_surface_index]);
1979                         s->surface_index = i;
1980                         s->lower = new_lower;
1981                         s->upper = new_upper;
1982                         s->flags = new->flags;
1983                         s->file_priv = file_priv;
1984                         dev_priv->surfaces[i].refcount++;
1985                         dev_priv->surfaces[i].lower = s->lower;
1986                         radeon_apply_surface_regs(s->surface_index, dev_priv);
1987                         return virt_surface_index;
1988                 }
1989
1990                 /* extend after */
1991                 if ((dev_priv->surfaces[i].refcount == 1) &&
1992                     (new->flags == dev_priv->surfaces[i].flags) &&
1993                     (new_lower == dev_priv->surfaces[i].upper + 1)) {
1994                         s = &(dev_priv->virt_surfaces[virt_surface_index]);
1995                         s->surface_index = i;
1996                         s->lower = new_lower;
1997                         s->upper = new_upper;
1998                         s->flags = new->flags;
1999                         s->file_priv = file_priv;
2000                         dev_priv->surfaces[i].refcount++;
2001                         dev_priv->surfaces[i].upper = s->upper;
2002                         radeon_apply_surface_regs(s->surface_index, dev_priv);
2003                         return virt_surface_index;
2004                 }
2005         }
2006
2007         /* okay, we need a new one */
2008         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
2009                 if (dev_priv->surfaces[i].refcount == 0) {
2010                         s = &(dev_priv->virt_surfaces[virt_surface_index]);
2011                         s->surface_index = i;
2012                         s->lower = new_lower;
2013                         s->upper = new_upper;
2014                         s->flags = new->flags;
2015                         s->file_priv = file_priv;
2016                         dev_priv->surfaces[i].refcount = 1;
2017                         dev_priv->surfaces[i].lower = s->lower;
2018                         dev_priv->surfaces[i].upper = s->upper;
2019                         dev_priv->surfaces[i].flags = s->flags;
2020                         radeon_apply_surface_regs(s->surface_index, dev_priv);
2021                         return virt_surface_index;
2022                 }
2023         }
2024
2025         /* we didn't find anything */
2026         return -1;
2027 }
2028
2029 static int free_surface(struct drm_file *file_priv,
2030                         drm_radeon_private_t * dev_priv,
2031                         int lower)
2032 {
2033         struct radeon_virt_surface *s;
2034         int i;
2035         /* find the virtual surface */
2036         for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
2037                 s = &(dev_priv->virt_surfaces[i]);
2038                 if (s->file_priv) {
2039                         if ((lower == s->lower) && (file_priv == s->file_priv))
2040                         {
2041                                 if (dev_priv->surfaces[s->surface_index].
2042                                     lower == s->lower)
2043                                         dev_priv->surfaces[s->surface_index].
2044                                             lower = s->upper;
2045
2046                                 if (dev_priv->surfaces[s->surface_index].
2047                                     upper == s->upper)
2048                                         dev_priv->surfaces[s->surface_index].
2049                                             upper = s->lower;
2050
2051                                 dev_priv->surfaces[s->surface_index].refcount--;
2052                                 if (dev_priv->surfaces[s->surface_index].
2053                                     refcount == 0)
2054                                         dev_priv->surfaces[s->surface_index].
2055                                             flags = 0;
2056                                 s->file_priv = NULL;
2057                                 radeon_apply_surface_regs(s->surface_index,
2058                                                           dev_priv);
2059                                 return 0;
2060                         }
2061                 }
2062         }
2063         return 1;
2064 }
2065
2066 static void radeon_surfaces_release(struct drm_file *file_priv,
2067                                     drm_radeon_private_t * dev_priv)
2068 {
2069         int i;
2070         for (i = 0; i < 2 * RADEON_MAX_SURFACES; i++) {
2071                 if (dev_priv->virt_surfaces[i].file_priv == file_priv)
2072                         free_surface(file_priv, dev_priv,
2073                                      dev_priv->virt_surfaces[i].lower);
2074         }
2075 }
2076
2077 /* ================================================================
2078  * IOCTL functions
2079  */
2080 static int radeon_surface_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv)
2081 {
2082         drm_radeon_private_t *dev_priv = dev->dev_private;
2083         drm_radeon_surface_alloc_t *alloc = data;
2084
2085         if (alloc_surface(alloc, dev_priv, file_priv) == -1)
2086                 return -EINVAL;
2087         else
2088                 return 0;
2089 }
2090
2091 static int radeon_surface_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
2092 {
2093         drm_radeon_private_t *dev_priv = dev->dev_private;
2094         drm_radeon_surface_free_t *memfree = data;
2095
2096         if (free_surface(file_priv, dev_priv, memfree->address))
2097                 return -EINVAL;
2098         else
2099                 return 0;
2100 }
2101
2102 static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file *file_priv)
2103 {
2104         drm_radeon_private_t *dev_priv = dev->dev_private;
2105         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2106         drm_radeon_clear_t *clear = data;
2107         drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
2108         DRM_DEBUG("\n");
2109
2110         LOCK_TEST_WITH_RETURN(dev, file_priv);
2111
2112         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2113
2114         if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2115                 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
2116
2117         if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes,
2118                                sarea_priv->nbox * sizeof(depth_boxes[0])))
2119                 return -EFAULT;
2120
2121         radeon_cp_dispatch_clear(dev, clear, depth_boxes);
2122
2123         COMMIT_RING();
2124         return 0;
2125 }
2126
2127 /* Not sure why this isn't set all the time:
2128  */
2129 static int radeon_do_init_pageflip(struct drm_device * dev)
2130 {
2131         drm_radeon_private_t *dev_priv = dev->dev_private;
2132         RING_LOCALS;
2133
2134         DRM_DEBUG("\n");
2135
2136         BEGIN_RING(6);
2137         RADEON_WAIT_UNTIL_3D_IDLE();
2138         OUT_RING(CP_PACKET0(RADEON_CRTC_OFFSET_CNTL, 0));
2139         OUT_RING(RADEON_READ(RADEON_CRTC_OFFSET_CNTL) |
2140                  RADEON_CRTC_OFFSET_FLIP_CNTL);
2141         OUT_RING(CP_PACKET0(RADEON_CRTC2_OFFSET_CNTL, 0));
2142         OUT_RING(RADEON_READ(RADEON_CRTC2_OFFSET_CNTL) |
2143                  RADEON_CRTC_OFFSET_FLIP_CNTL);
2144         ADVANCE_RING();
2145
2146         dev_priv->page_flipping = 1;
2147
2148         if (dev_priv->sarea_priv->pfCurrentPage != 1)
2149                 dev_priv->sarea_priv->pfCurrentPage = 0;
2150
2151         return 0;
2152 }
2153
2154 /* Swapping and flipping are different operations, need different ioctls.
2155  * They can & should be intermixed to support multiple 3d windows.
2156  */
2157 static int radeon_cp_flip(struct drm_device *dev, void *data, struct drm_file *file_priv)
2158 {
2159         drm_radeon_private_t *dev_priv = dev->dev_private;
2160         DRM_DEBUG("\n");
2161
2162         LOCK_TEST_WITH_RETURN(dev, file_priv);
2163
2164         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2165
2166         if (!dev_priv->page_flipping)
2167                 radeon_do_init_pageflip(dev);
2168
2169         radeon_cp_dispatch_flip(dev);
2170
2171         COMMIT_RING();
2172         return 0;
2173 }
2174
2175 static int radeon_cp_swap(struct drm_device *dev, void *data, struct drm_file *file_priv)
2176 {
2177         drm_radeon_private_t *dev_priv = dev->dev_private;
2178         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2179         DRM_DEBUG("\n");
2180
2181         LOCK_TEST_WITH_RETURN(dev, file_priv);
2182
2183         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2184
2185         if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2186                 sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
2187
2188         radeon_cp_dispatch_swap(dev);
2189         dev_priv->sarea_priv->ctx_owner = 0;
2190
2191         COMMIT_RING();
2192         return 0;
2193 }
2194
2195 static int radeon_cp_vertex(struct drm_device *dev, void *data, struct drm_file *file_priv)
2196 {
2197         drm_radeon_private_t *dev_priv = dev->dev_private;
2198         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2199         struct drm_device_dma *dma = dev->dma;
2200         struct drm_buf *buf;
2201         drm_radeon_vertex_t *vertex = data;
2202         drm_radeon_tcl_prim_t prim;
2203
2204         LOCK_TEST_WITH_RETURN(dev, file_priv);
2205
2206         DRM_DEBUG("pid=%d index=%d count=%d discard=%d\n",
2207                   DRM_CURRENTPID, vertex->idx, vertex->count, vertex->discard);
2208
2209         if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
2210                 DRM_ERROR("buffer index %d (of %d max)\n",
2211                           vertex->idx, dma->buf_count - 1);
2212                 return -EINVAL;
2213         }
2214         if (vertex->prim < 0 || vertex->prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST) {
2215                 DRM_ERROR("buffer prim %d\n", vertex->prim);
2216                 return -EINVAL;
2217         }
2218
2219         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2220         VB_AGE_TEST_WITH_RETURN(dev_priv);
2221
2222         buf = dma->buflist[vertex->idx];
2223
2224         if (buf->file_priv != file_priv) {
2225                 DRM_ERROR("process %d using buffer owned by %p\n",
2226                           DRM_CURRENTPID, buf->file_priv);
2227                 return -EINVAL;
2228         }
2229         if (buf->pending) {
2230                 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
2231                 return -EINVAL;
2232         }
2233
2234         /* Build up a prim_t record:
2235          */
2236         if (vertex->count) {
2237                 buf->used = vertex->count;      /* not used? */
2238
2239                 if (sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS) {
2240                         if (radeon_emit_state(dev_priv, file_priv,
2241                                               &sarea_priv->context_state,
2242                                               sarea_priv->tex_state,
2243                                               sarea_priv->dirty)) {
2244                                 DRM_ERROR("radeon_emit_state failed\n");
2245                                 return -EINVAL;
2246                         }
2247
2248                         sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
2249                                                RADEON_UPLOAD_TEX1IMAGES |
2250                                                RADEON_UPLOAD_TEX2IMAGES |
2251                                                RADEON_REQUIRE_QUIESCENCE);
2252                 }
2253
2254                 prim.start = 0;
2255                 prim.finish = vertex->count;    /* unused */
2256                 prim.prim = vertex->prim;
2257                 prim.numverts = vertex->count;
2258                 prim.vc_format = dev_priv->sarea_priv->vc_format;
2259
2260                 radeon_cp_dispatch_vertex(dev, buf, &prim);
2261         }
2262
2263         if (vertex->discard) {
2264                 radeon_cp_discard_buffer(dev, buf);
2265         }
2266
2267         COMMIT_RING();
2268         return 0;
2269 }
2270
2271 static int radeon_cp_indices(struct drm_device *dev, void *data, struct drm_file *file_priv)
2272 {
2273         drm_radeon_private_t *dev_priv = dev->dev_private;
2274         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2275         struct drm_device_dma *dma = dev->dma;
2276         struct drm_buf *buf;
2277         drm_radeon_indices_t *elts = data;
2278         drm_radeon_tcl_prim_t prim;
2279         int count;
2280
2281         LOCK_TEST_WITH_RETURN(dev, file_priv);
2282
2283         DRM_DEBUG("pid=%d index=%d start=%d end=%d discard=%d\n",
2284                   DRM_CURRENTPID, elts->idx, elts->start, elts->end,
2285                   elts->discard);
2286
2287         if (elts->idx < 0 || elts->idx >= dma->buf_count) {
2288                 DRM_ERROR("buffer index %d (of %d max)\n",
2289                           elts->idx, dma->buf_count - 1);
2290                 return -EINVAL;
2291         }
2292         if (elts->prim < 0 || elts->prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST) {
2293                 DRM_ERROR("buffer prim %d\n", elts->prim);
2294                 return -EINVAL;
2295         }
2296
2297         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2298         VB_AGE_TEST_WITH_RETURN(dev_priv);
2299
2300         buf = dma->buflist[elts->idx];
2301
2302         if (buf->file_priv != file_priv) {
2303                 DRM_ERROR("process %d using buffer owned by %p\n",
2304                           DRM_CURRENTPID, buf->file_priv);
2305                 return -EINVAL;
2306         }
2307         if (buf->pending) {
2308                 DRM_ERROR("sending pending buffer %d\n", elts->idx);
2309                 return -EINVAL;
2310         }
2311
2312         count = (elts->end - elts->start) / sizeof(u16);
2313         elts->start -= RADEON_INDEX_PRIM_OFFSET;
2314
2315         if (elts->start & 0x7) {
2316                 DRM_ERROR("misaligned buffer 0x%x\n", elts->start);
2317                 return -EINVAL;
2318         }
2319         if (elts->start < buf->used) {
2320                 DRM_ERROR("no header 0x%x - 0x%x\n", elts->start, buf->used);
2321                 return -EINVAL;
2322         }
2323
2324         buf->used = elts->end;
2325
2326         if (sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS) {
2327                 if (radeon_emit_state(dev_priv, file_priv,
2328                                       &sarea_priv->context_state,
2329                                       sarea_priv->tex_state,
2330                                       sarea_priv->dirty)) {
2331                         DRM_ERROR("radeon_emit_state failed\n");
2332                         return -EINVAL;
2333                 }
2334
2335                 sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES |
2336                                        RADEON_UPLOAD_TEX1IMAGES |
2337                                        RADEON_UPLOAD_TEX2IMAGES |
2338                                        RADEON_REQUIRE_QUIESCENCE);
2339         }
2340
2341         /* Build up a prim_t record:
2342          */
2343         prim.start = elts->start;
2344         prim.finish = elts->end;
2345         prim.prim = elts->prim;
2346         prim.offset = 0;        /* offset from start of dma buffers */
2347         prim.numverts = RADEON_MAX_VB_VERTS;    /* duh */
2348         prim.vc_format = dev_priv->sarea_priv->vc_format;
2349
2350         radeon_cp_dispatch_indices(dev, buf, &prim);
2351         if (elts->discard) {
2352                 radeon_cp_discard_buffer(dev, buf);
2353         }
2354
2355         COMMIT_RING();
2356         return 0;
2357 }
2358
2359 static int radeon_cp_texture(struct drm_device *dev, void *data, struct drm_file *file_priv)
2360 {
2361         drm_radeon_private_t *dev_priv = dev->dev_private;
2362         drm_radeon_texture_t *tex = data;
2363         drm_radeon_tex_image_t image;
2364         int ret;
2365
2366         LOCK_TEST_WITH_RETURN(dev, file_priv);
2367
2368         if (tex->image == NULL) {
2369                 DRM_ERROR("null texture image!\n");
2370                 return -EINVAL;
2371         }
2372
2373         if (DRM_COPY_FROM_USER(&image,
2374                                (drm_radeon_tex_image_t __user *) tex->image,
2375                                sizeof(image)))
2376                 return -EFAULT;
2377
2378         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2379         VB_AGE_TEST_WITH_RETURN(dev_priv);
2380
2381         ret = radeon_cp_dispatch_texture(dev, file_priv, tex, &image);
2382
2383         return ret;
2384 }
2385
2386 static int radeon_cp_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
2387 {
2388         drm_radeon_private_t *dev_priv = dev->dev_private;
2389         drm_radeon_stipple_t *stipple = data;
2390         u32 mask[32];
2391
2392         LOCK_TEST_WITH_RETURN(dev, file_priv);
2393
2394         if (DRM_COPY_FROM_USER(&mask, stipple->mask, 32 * sizeof(u32)))
2395                 return -EFAULT;
2396
2397         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2398
2399         radeon_cp_dispatch_stipple(dev, mask);
2400
2401         COMMIT_RING();
2402         return 0;
2403 }
2404
2405 static int radeon_cp_indirect(struct drm_device *dev, void *data, struct drm_file *file_priv)
2406 {
2407         drm_radeon_private_t *dev_priv = dev->dev_private;
2408         struct drm_device_dma *dma = dev->dma;
2409         struct drm_buf *buf;
2410         drm_radeon_indirect_t *indirect = data;
2411         RING_LOCALS;
2412
2413         LOCK_TEST_WITH_RETURN(dev, file_priv);
2414
2415         DRM_DEBUG("idx=%d s=%d e=%d d=%d\n",
2416                   indirect->idx, indirect->start, indirect->end,
2417                   indirect->discard);
2418
2419         if (indirect->idx < 0 || indirect->idx >= dma->buf_count) {
2420                 DRM_ERROR("buffer index %d (of %d max)\n",
2421                           indirect->idx, dma->buf_count - 1);
2422                 return -EINVAL;
2423         }
2424
2425         buf = dma->buflist[indirect->idx];
2426
2427         if (buf->file_priv != file_priv) {
2428                 DRM_ERROR("process %d using buffer owned by %p\n",
2429                           DRM_CURRENTPID, buf->file_priv);
2430                 return -EINVAL;
2431         }
2432         if (buf->pending) {
2433                 DRM_ERROR("sending pending buffer %d\n", indirect->idx);
2434                 return -EINVAL;
2435         }
2436
2437         if (indirect->start < buf->used) {
2438                 DRM_ERROR("reusing indirect: start=0x%x actual=0x%x\n",
2439                           indirect->start, buf->used);
2440                 return -EINVAL;
2441         }
2442
2443         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2444         VB_AGE_TEST_WITH_RETURN(dev_priv);
2445
2446         buf->used = indirect->end;
2447
2448         /* Wait for the 3D stream to idle before the indirect buffer
2449          * containing 2D acceleration commands is processed.
2450          */
2451         BEGIN_RING(2);
2452
2453         RADEON_WAIT_UNTIL_3D_IDLE();
2454
2455         ADVANCE_RING();
2456
2457         /* Dispatch the indirect buffer full of commands from the
2458          * X server.  This is insecure and is thus only available to
2459          * privileged clients.
2460          */
2461         radeon_cp_dispatch_indirect(dev, buf, indirect->start, indirect->end);
2462         if (indirect->discard) {
2463                 radeon_cp_discard_buffer(dev, buf);
2464         }
2465
2466         COMMIT_RING();
2467         return 0;
2468 }
2469
2470 static int radeon_cp_vertex2(struct drm_device *dev, void *data, struct drm_file *file_priv)
2471 {
2472         drm_radeon_private_t *dev_priv = dev->dev_private;
2473         drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
2474         struct drm_device_dma *dma = dev->dma;
2475         struct drm_buf *buf;
2476         drm_radeon_vertex2_t *vertex = data;
2477         int i;
2478         unsigned char laststate;
2479
2480         LOCK_TEST_WITH_RETURN(dev, file_priv);
2481
2482         DRM_DEBUG("pid=%d index=%d discard=%d\n",
2483                   DRM_CURRENTPID, vertex->idx, vertex->discard);
2484
2485         if (vertex->idx < 0 || vertex->idx >= dma->buf_count) {
2486                 DRM_ERROR("buffer index %d (of %d max)\n",
2487                           vertex->idx, dma->buf_count - 1);
2488                 return -EINVAL;
2489         }
2490
2491         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2492         VB_AGE_TEST_WITH_RETURN(dev_priv);
2493
2494         buf = dma->buflist[vertex->idx];
2495
2496         if (buf->file_priv != file_priv) {
2497                 DRM_ERROR("process %d using buffer owned by %p\n",
2498                           DRM_CURRENTPID, buf->file_priv);
2499                 return -EINVAL;
2500         }
2501
2502         if (buf->pending) {
2503                 DRM_ERROR("sending pending buffer %d\n", vertex->idx);
2504                 return -EINVAL;
2505         }
2506
2507         if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
2508                 return -EINVAL;
2509
2510         for (laststate = 0xff, i = 0; i < vertex->nr_prims; i++) {
2511                 drm_radeon_prim_t prim;
2512                 drm_radeon_tcl_prim_t tclprim;
2513
2514                 if (DRM_COPY_FROM_USER(&prim, &vertex->prim[i], sizeof(prim)))
2515                         return -EFAULT;
2516
2517                 if (prim.stateidx != laststate) {
2518                         drm_radeon_state_t state;
2519
2520                         if (DRM_COPY_FROM_USER(&state,
2521                                                &vertex->state[prim.stateidx],
2522                                                sizeof(state)))
2523                                 return -EFAULT;
2524
2525                         if (radeon_emit_state2(dev_priv, file_priv, &state)) {
2526                                 DRM_ERROR("radeon_emit_state2 failed\n");
2527                                 return -EINVAL;
2528                         }
2529
2530                         laststate = prim.stateidx;
2531                 }
2532
2533                 tclprim.start = prim.start;
2534                 tclprim.finish = prim.finish;
2535                 tclprim.prim = prim.prim;
2536                 tclprim.vc_format = prim.vc_format;
2537
2538                 if (prim.prim & RADEON_PRIM_WALK_IND) {
2539                         tclprim.offset = prim.numverts * 64;
2540                         tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */
2541
2542                         radeon_cp_dispatch_indices(dev, buf, &tclprim);
2543                 } else {
2544                         tclprim.numverts = prim.numverts;
2545                         tclprim.offset = 0;     /* not used */
2546
2547                         radeon_cp_dispatch_vertex(dev, buf, &tclprim);
2548                 }
2549
2550                 if (sarea_priv->nbox == 1)
2551                         sarea_priv->nbox = 0;
2552         }
2553
2554         if (vertex->discard) {
2555                 radeon_cp_discard_buffer(dev, buf);
2556         }
2557
2558         COMMIT_RING();
2559         return 0;
2560 }
2561
2562 static int radeon_emit_packets(drm_radeon_private_t * dev_priv,
2563                                struct drm_file *file_priv,
2564                                drm_radeon_cmd_header_t header,
2565                                drm_radeon_kcmd_buffer_t *cmdbuf)
2566 {
2567         int id = (int)header.packet.packet_id;
2568         int sz, reg;
2569         int *data = (int *)cmdbuf->buf;
2570         RING_LOCALS;
2571
2572         if (id >= RADEON_MAX_STATE_PACKETS)
2573                 return -EINVAL;
2574
2575         sz = packet[id].len;
2576         reg = packet[id].start;
2577
2578         if (sz * sizeof(int) > cmdbuf->bufsz) {
2579                 DRM_ERROR("Packet size provided larger than data provided\n");
2580                 return -EINVAL;
2581         }
2582
2583         if (radeon_check_and_fixup_packets(dev_priv, file_priv, id, data)) {
2584                 DRM_ERROR("Packet verification failed\n");
2585                 return -EINVAL;
2586         }
2587
2588         BEGIN_RING(sz + 1);
2589         OUT_RING(CP_PACKET0(reg, (sz - 1)));
2590         OUT_RING_TABLE(data, sz);
2591         ADVANCE_RING();
2592
2593         cmdbuf->buf += sz * sizeof(int);
2594         cmdbuf->bufsz -= sz * sizeof(int);
2595         return 0;
2596 }
2597
2598 static __inline__ int radeon_emit_scalars(drm_radeon_private_t *dev_priv,
2599                                           drm_radeon_cmd_header_t header,
2600                                           drm_radeon_kcmd_buffer_t *cmdbuf)
2601 {
2602         int sz = header.scalars.count;
2603         int start = header.scalars.offset;
2604         int stride = header.scalars.stride;
2605         RING_LOCALS;
2606
2607         BEGIN_RING(3 + sz);
2608         OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
2609         OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
2610         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
2611         OUT_RING_TABLE(cmdbuf->buf, sz);
2612         ADVANCE_RING();
2613         cmdbuf->buf += sz * sizeof(int);
2614         cmdbuf->bufsz -= sz * sizeof(int);
2615         return 0;
2616 }
2617
2618 /* God this is ugly
2619  */
2620 static __inline__ int radeon_emit_scalars2(drm_radeon_private_t *dev_priv,
2621                                            drm_radeon_cmd_header_t header,
2622                                            drm_radeon_kcmd_buffer_t *cmdbuf)
2623 {
2624         int sz = header.scalars.count;
2625         int start = ((unsigned int)header.scalars.offset) + 0x100;
2626         int stride = header.scalars.stride;
2627         RING_LOCALS;
2628
2629         BEGIN_RING(3 + sz);
2630         OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
2631         OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
2632         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
2633         OUT_RING_TABLE(cmdbuf->buf, sz);
2634         ADVANCE_RING();
2635         cmdbuf->buf += sz * sizeof(int);
2636         cmdbuf->bufsz -= sz * sizeof(int);
2637         return 0;
2638 }
2639
2640 static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv,
2641                                           drm_radeon_cmd_header_t header,
2642                                           drm_radeon_kcmd_buffer_t *cmdbuf)
2643 {
2644         int sz = header.vectors.count;
2645         int start = header.vectors.offset;
2646         int stride = header.vectors.stride;
2647         RING_LOCALS;
2648
2649         BEGIN_RING(5 + sz);
2650         OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
2651         OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
2652         OUT_RING(start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
2653         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
2654         OUT_RING_TABLE(cmdbuf->buf, sz);
2655         ADVANCE_RING();
2656
2657         cmdbuf->buf += sz * sizeof(int);
2658         cmdbuf->bufsz -= sz * sizeof(int);
2659         return 0;
2660 }
2661
2662 static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
2663                                           drm_radeon_cmd_header_t header,
2664                                           drm_radeon_kcmd_buffer_t *cmdbuf)
2665 {
2666         int sz = header.veclinear.count * 4;
2667         int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8);
2668         RING_LOCALS;
2669
2670         if (!sz)
2671                 return 0;
2672         if (sz * 4 > cmdbuf->bufsz)
2673                 return -EINVAL;
2674
2675         BEGIN_RING(5 + sz);
2676         OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
2677         OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
2678         OUT_RING(start | (1 << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
2679         OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
2680         OUT_RING_TABLE(cmdbuf->buf, sz);
2681         ADVANCE_RING();
2682
2683         cmdbuf->buf += sz * sizeof(int);
2684         cmdbuf->bufsz -= sz * sizeof(int);
2685         return 0;
2686 }
2687
2688 static int radeon_emit_packet3(struct drm_device * dev,
2689                                struct drm_file *file_priv,
2690                                drm_radeon_kcmd_buffer_t *cmdbuf)
2691 {
2692         drm_radeon_private_t *dev_priv = dev->dev_private;
2693         unsigned int cmdsz;
2694         int ret;
2695         RING_LOCALS;
2696
2697         DRM_DEBUG("\n");
2698
2699         if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
2700                                                   cmdbuf, &cmdsz))) {
2701                 DRM_ERROR("Packet verification failed\n");
2702                 return ret;
2703         }
2704
2705         BEGIN_RING(cmdsz);
2706         OUT_RING_TABLE(cmdbuf->buf, cmdsz);
2707         ADVANCE_RING();
2708
2709         cmdbuf->buf += cmdsz * 4;
2710         cmdbuf->bufsz -= cmdsz * 4;
2711         return 0;
2712 }
2713
2714 static int radeon_emit_packet3_cliprect(struct drm_device *dev,
2715                                         struct drm_file *file_priv,
2716                                         drm_radeon_kcmd_buffer_t *cmdbuf,
2717                                         int orig_nbox)
2718 {
2719         drm_radeon_private_t *dev_priv = dev->dev_private;
2720         struct drm_clip_rect box;
2721         unsigned int cmdsz;
2722         int ret;
2723         struct drm_clip_rect __user *boxes = cmdbuf->boxes;
2724         int i = 0;
2725         RING_LOCALS;
2726
2727         DRM_DEBUG("\n");
2728
2729         if ((ret = radeon_check_and_fixup_packet3(dev_priv, file_priv,
2730                                                   cmdbuf, &cmdsz))) {
2731                 DRM_ERROR("Packet verification failed\n");
2732                 return ret;
2733         }
2734
2735         if (!orig_nbox)
2736                 goto out;
2737
2738         do {
2739                 if (i < cmdbuf->nbox) {
2740                         if (DRM_COPY_FROM_USER(&box, &boxes[i], sizeof(box)))
2741                                 return -EFAULT;
2742                         /* FIXME The second and subsequent times round
2743                          * this loop, send a WAIT_UNTIL_3D_IDLE before
2744                          * calling emit_clip_rect(). This fixes a
2745                          * lockup on fast machines when sending
2746                          * several cliprects with a cmdbuf, as when
2747                          * waving a 2D window over a 3D
2748                          * window. Something in the commands from user
2749                          * space seems to hang the card when they're
2750                          * sent several times in a row. That would be
2751                          * the correct place to fix it but this works
2752                          * around it until I can figure that out - Tim
2753                          * Smith */
2754                         if (i) {
2755                                 BEGIN_RING(2);
2756                                 RADEON_WAIT_UNTIL_3D_IDLE();
2757                                 ADVANCE_RING();
2758                         }
2759                         radeon_emit_clip_rect(dev_priv, &box);
2760                 }
2761
2762                 BEGIN_RING(cmdsz);
2763                 OUT_RING_TABLE(cmdbuf->buf, cmdsz);
2764                 ADVANCE_RING();
2765
2766         } while (++i < cmdbuf->nbox);
2767         if (cmdbuf->nbox == 1)
2768                 cmdbuf->nbox = 0;
2769
2770       out:
2771         cmdbuf->buf += cmdsz * 4;
2772         cmdbuf->bufsz -= cmdsz * 4;
2773         return 0;
2774 }
2775
2776 static int radeon_emit_wait(struct drm_device * dev, int flags)
2777 {
2778         drm_radeon_private_t *dev_priv = dev->dev_private;
2779         RING_LOCALS;
2780
2781         DRM_DEBUG("%x\n", flags);
2782         switch (flags) {
2783         case RADEON_WAIT_2D:
2784                 BEGIN_RING(2);
2785                 RADEON_WAIT_UNTIL_2D_IDLE();
2786                 ADVANCE_RING();
2787                 break;
2788         case RADEON_WAIT_3D:
2789                 BEGIN_RING(2);
2790                 RADEON_WAIT_UNTIL_3D_IDLE();
2791                 ADVANCE_RING();
2792                 break;
2793         case RADEON_WAIT_2D | RADEON_WAIT_3D:
2794                 BEGIN_RING(2);
2795                 RADEON_WAIT_UNTIL_IDLE();
2796                 ADVANCE_RING();
2797                 break;
2798         default:
2799                 return -EINVAL;
2800         }
2801
2802         return 0;
2803 }
2804
2805 static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv)
2806 {
2807         drm_radeon_private_t *dev_priv = dev->dev_private;
2808         struct drm_device_dma *dma = dev->dma;
2809         struct drm_buf *buf = NULL;
2810         int idx;
2811         drm_radeon_kcmd_buffer_t *cmdbuf = data;
2812         drm_radeon_cmd_header_t header;
2813         int orig_nbox, orig_bufsz;
2814         char *kbuf = NULL;
2815
2816         LOCK_TEST_WITH_RETURN(dev, file_priv);
2817
2818         RING_SPACE_TEST_WITH_RETURN(dev_priv);
2819         VB_AGE_TEST_WITH_RETURN(dev_priv);
2820
2821         if (cmdbuf->bufsz > 64 * 1024 || cmdbuf->bufsz < 0) {
2822                 return -EINVAL;
2823         }
2824
2825         /* Allocate an in-kernel area and copy in the cmdbuf.  Do this to avoid
2826          * races between checking values and using those values in other code,
2827          * and simply to avoid a lot of function calls to copy in data.
2828          */
2829         orig_bufsz = cmdbuf->bufsz;
2830         if (orig_bufsz != 0) {
2831                 kbuf = drm_alloc(cmdbuf->bufsz, DRM_MEM_DRIVER);
2832                 if (kbuf == NULL)
2833                         return -ENOMEM;
2834                 if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf->buf,
2835                                        cmdbuf->bufsz)) {
2836                         drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2837                         return -EFAULT;
2838                 }
2839                 cmdbuf->buf = kbuf;
2840         }
2841
2842         orig_nbox = cmdbuf->nbox;
2843
2844         if (dev_priv->microcode_version == UCODE_R300) {
2845                 int temp;
2846                 temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
2847
2848                 if (orig_bufsz != 0)
2849                         drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2850
2851                 return temp;
2852         }
2853
2854         /* microcode_version != r300 */
2855         while (cmdbuf->bufsz >= sizeof(header)) {
2856
2857                 header.i = *(int *)cmdbuf->buf;
2858                 cmdbuf->buf += sizeof(header);
2859                 cmdbuf->bufsz -= sizeof(header);
2860
2861                 switch (header.header.cmd_type) {
2862                 case RADEON_CMD_PACKET:
2863                         DRM_DEBUG("RADEON_CMD_PACKET\n");
2864                         if (radeon_emit_packets
2865                             (dev_priv, file_priv, header, cmdbuf)) {
2866                                 DRM_ERROR("radeon_emit_packets failed\n");
2867                                 goto err;
2868                         }
2869                         break;
2870
2871                 case RADEON_CMD_SCALARS:
2872                         DRM_DEBUG("RADEON_CMD_SCALARS\n");
2873                         if (radeon_emit_scalars(dev_priv, header, cmdbuf)) {
2874                                 DRM_ERROR("radeon_emit_scalars failed\n");
2875                                 goto err;
2876                         }
2877                         break;
2878
2879                 case RADEON_CMD_VECTORS:
2880                         DRM_DEBUG("RADEON_CMD_VECTORS\n");
2881                         if (radeon_emit_vectors(dev_priv, header, cmdbuf)) {
2882                                 DRM_ERROR("radeon_emit_vectors failed\n");
2883                                 goto err;
2884                         }
2885                         break;
2886
2887                 case RADEON_CMD_DMA_DISCARD:
2888                         DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n");
2889                         idx = header.dma.buf_idx;
2890                         if (idx < 0 || idx >= dma->buf_count) {
2891                                 DRM_ERROR("buffer index %d (of %d max)\n",
2892                                           idx, dma->buf_count - 1);
2893                                 goto err;
2894                         }
2895
2896                         buf = dma->buflist[idx];
2897                         if (buf->file_priv != file_priv || buf->pending) {
2898                                 DRM_ERROR("bad buffer %p %p %d\n",
2899                                           buf->file_priv, file_priv,
2900                                           buf->pending);
2901                                 goto err;
2902                         }
2903
2904                         radeon_cp_discard_buffer(dev, buf);
2905                         break;
2906
2907                 case RADEON_CMD_PACKET3:
2908                         DRM_DEBUG("RADEON_CMD_PACKET3\n");
2909                         if (radeon_emit_packet3(dev, file_priv, cmdbuf)) {
2910                                 DRM_ERROR("radeon_emit_packet3 failed\n");
2911                                 goto err;
2912                         }
2913                         break;
2914
2915                 case RADEON_CMD_PACKET3_CLIP:
2916                         DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n");
2917                         if (radeon_emit_packet3_cliprect
2918                             (dev, file_priv, cmdbuf, orig_nbox)) {
2919                                 DRM_ERROR("radeon_emit_packet3_clip failed\n");
2920                                 goto err;
2921                         }
2922                         break;
2923
2924                 case RADEON_CMD_SCALARS2:
2925                         DRM_DEBUG("RADEON_CMD_SCALARS2\n");
2926                         if (radeon_emit_scalars2(dev_priv, header, cmdbuf)) {
2927                                 DRM_ERROR("radeon_emit_scalars2 failed\n");
2928                                 goto err;
2929                         }
2930                         break;
2931
2932                 case RADEON_CMD_WAIT:
2933                         DRM_DEBUG("RADEON_CMD_WAIT\n");
2934                         if (radeon_emit_wait(dev, header.wait.flags)) {
2935                                 DRM_ERROR("radeon_emit_wait failed\n");
2936                                 goto err;
2937                         }
2938                         break;
2939                 case RADEON_CMD_VECLINEAR:
2940                         DRM_DEBUG("RADEON_CMD_VECLINEAR\n");
2941                         if (radeon_emit_veclinear(dev_priv, header, cmdbuf)) {
2942                                 DRM_ERROR("radeon_emit_veclinear failed\n");
2943                                 goto err;
2944                         }
2945                         break;
2946
2947                 default:
2948                         DRM_ERROR("bad cmd_type %d at %p\n",
2949                                   header.header.cmd_type,
2950                                   cmdbuf->buf - sizeof(header));
2951                         goto err;
2952                 }
2953         }
2954
2955         if (orig_bufsz != 0)
2956                 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2957
2958         DRM_DEBUG("DONE\n");
2959         COMMIT_RING();
2960         return 0;
2961
2962       err:
2963         if (orig_bufsz != 0)
2964                 drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
2965         return -EINVAL;
2966 }
2967
2968 static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
2969 {
2970         drm_radeon_private_t *dev_priv = dev->dev_private;
2971         drm_radeon_getparam_t *param = data;
2972         int value;
2973
2974         DRM_DEBUG("pid=%d\n", DRM_CURRENTPID);
2975
2976         switch (param->param) {
2977         case RADEON_PARAM_GART_BUFFER_OFFSET:
2978                 value = dev_priv->gart_buffers_offset;
2979                 break;
2980         case RADEON_PARAM_LAST_FRAME:
2981                 dev_priv->stats.last_frame_reads++;
2982                 value = GET_SCRATCH(0);
2983                 break;
2984         case RADEON_PARAM_LAST_DISPATCH:
2985                 value = GET_SCRATCH(1);
2986                 break;
2987         case RADEON_PARAM_LAST_CLEAR:
2988                 dev_priv->stats.last_clear_reads++;
2989                 value = GET_SCRATCH(2);
2990                 break;
2991         case RADEON_PARAM_IRQ_NR:
2992                 value = dev->irq;
2993                 break;
2994         case RADEON_PARAM_GART_BASE:
2995                 value = dev_priv->gart_vm_start;
2996                 break;
2997         case RADEON_PARAM_REGISTER_HANDLE:
2998                 value = dev_priv->mmio->offset;
2999                 break;
3000         case RADEON_PARAM_STATUS_HANDLE:
3001                 value = dev_priv->ring_rptr_offset;
3002                 break;
3003 #if BITS_PER_LONG == 32
3004                 /*
3005                  * This ioctl() doesn't work on 64-bit platforms because hw_lock is a
3006                  * pointer which can't fit into an int-sized variable.  According to
3007                  * Michel Dänzer, the ioctl() is only used on embedded platforms, so
3008                  * not supporting it shouldn't be a problem.  If the same functionality
3009                  * is needed on 64-bit platforms, a new ioctl() would have to be added,
3010                  * so backwards-compatibility for the embedded platforms can be
3011                  * maintained.  --davidm 4-Feb-2004.
3012                  */
3013         case RADEON_PARAM_SAREA_HANDLE:
3014                 /* The lock is the first dword in the sarea. */
3015                 value = (long)dev->lock.hw_lock;
3016                 break;
3017 #endif
3018         case RADEON_PARAM_GART_TEX_HANDLE:
3019                 value = dev_priv->gart_textures_offset;
3020                 break;
3021         case RADEON_PARAM_SCRATCH_OFFSET:
3022                 if (!dev_priv->writeback_works)
3023                         return -EINVAL;
3024                 value = RADEON_SCRATCH_REG_OFFSET;
3025                 break;
3026         case RADEON_PARAM_CARD_TYPE:
3027                 if (dev_priv->flags & RADEON_IS_PCIE)
3028                         value = RADEON_CARD_PCIE;
3029                 else if (dev_priv->flags & RADEON_IS_AGP)
3030                         value = RADEON_CARD_AGP;
3031                 else
3032                         value = RADEON_CARD_PCI;
3033                 break;
3034         case RADEON_PARAM_VBLANK_CRTC:
3035                 value = radeon_vblank_crtc_get(dev);
3036                 break;
3037         default:
3038                 DRM_DEBUG("Invalid parameter %d\n", param->param);
3039                 return -EINVAL;
3040         }
3041
3042         if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) {
3043                 DRM_ERROR("copy_to_user\n");
3044                 return -EFAULT;
3045         }
3046
3047         return 0;
3048 }
3049
3050 static int radeon_cp_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
3051 {
3052         drm_radeon_private_t *dev_priv = dev->dev_private;
3053         drm_radeon_setparam_t *sp = data;
3054         struct drm_radeon_driver_file_fields *radeon_priv;
3055
3056         switch (sp->param) {
3057         case RADEON_SETPARAM_FB_LOCATION:
3058                 radeon_priv = file_priv->driver_priv;
3059                 radeon_priv->radeon_fb_delta = dev_priv->fb_location -
3060                     sp->value;
3061                 break;
3062         case RADEON_SETPARAM_SWITCH_TILING:
3063                 if (sp->value == 0) {
3064                         DRM_DEBUG("color tiling disabled\n");
3065                         dev_priv->front_pitch_offset &= ~RADEON_DST_TILE_MACRO;
3066                         dev_priv->back_pitch_offset &= ~RADEON_DST_TILE_MACRO;
3067                         dev_priv->sarea_priv->tiling_enabled = 0;
3068                 } else if (sp->value == 1) {
3069                         DRM_DEBUG("color tiling enabled\n");
3070                         dev_priv->front_pitch_offset |= RADEON_DST_TILE_MACRO;
3071                         dev_priv->back_pitch_offset |= RADEON_DST_TILE_MACRO;
3072                         dev_priv->sarea_priv->tiling_enabled = 1;
3073                 }
3074                 break;
3075         case RADEON_SETPARAM_PCIGART_LOCATION:
3076                 dev_priv->pcigart_offset = sp->value;
3077                 dev_priv->pcigart_offset_set = 1;
3078                 break;
3079         case RADEON_SETPARAM_NEW_MEMMAP:
3080                 dev_priv->new_memmap = sp->value;
3081                 break;
3082         case RADEON_SETPARAM_PCIGART_TABLE_SIZE:
3083                 dev_priv->gart_info.table_size = sp->value;
3084                 if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
3085                         dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
3086                 break;
3087         case RADEON_SETPARAM_VBLANK_CRTC:
3088                 return radeon_vblank_crtc_set(dev, sp->value);
3089                 break;
3090         default:
3091                 DRM_DEBUG("Invalid parameter %d\n", sp->param);
3092                 return -EINVAL;
3093         }
3094
3095         return 0;
3096 }
3097
3098 /* When a client dies:
3099  *    - Check for and clean up flipped page state
3100  *    - Free any alloced GART memory.
3101  *    - Free any alloced radeon surfaces.
3102  *
3103  * DRM infrastructure takes care of reclaiming dma buffers.
3104  */
3105 void radeon_driver_preclose(struct drm_device *dev, struct drm_file *file_priv)
3106 {
3107         if (dev->dev_private) {
3108                 drm_radeon_private_t *dev_priv = dev->dev_private;
3109                 dev_priv->page_flipping = 0;
3110                 radeon_mem_release(file_priv, dev_priv->gart_heap);
3111                 radeon_mem_release(file_priv, dev_priv->fb_heap);
3112                 radeon_surfaces_release(file_priv, dev_priv);
3113         }
3114 }
3115
3116 void radeon_driver_lastclose(struct drm_device *dev)
3117 {
3118         if (dev->dev_private) {
3119                 drm_radeon_private_t *dev_priv = dev->dev_private;
3120
3121                 if (dev_priv->sarea_priv &&
3122                     dev_priv->sarea_priv->pfCurrentPage != 0)
3123                         radeon_cp_dispatch_flip(dev);
3124         }
3125
3126         radeon_do_release(dev);
3127 }
3128
3129 int radeon_driver_open(struct drm_device *dev, struct drm_file *file_priv)
3130 {
3131         drm_radeon_private_t *dev_priv = dev->dev_private;
3132         struct drm_radeon_driver_file_fields *radeon_priv;
3133
3134         DRM_DEBUG("\n");
3135         radeon_priv =
3136             (struct drm_radeon_driver_file_fields *)
3137             drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES);
3138
3139         if (!radeon_priv)
3140                 return -ENOMEM;
3141
3142         file_priv->driver_priv = radeon_priv;
3143
3144         if (dev_priv)
3145                 radeon_priv->radeon_fb_delta = dev_priv->fb_location;
3146         else
3147                 radeon_priv->radeon_fb_delta = 0;
3148         return 0;
3149 }
3150
3151 void radeon_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
3152 {
3153         struct drm_radeon_driver_file_fields *radeon_priv =
3154             file_priv->driver_priv;
3155
3156         drm_free(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES);
3157 }
3158
3159 struct drm_ioctl_desc radeon_ioctls[] = {
3160         DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, radeon_cp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3161         DRM_IOCTL_DEF(DRM_RADEON_CP_START, radeon_cp_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3162         DRM_IOCTL_DEF(DRM_RADEON_CP_STOP, radeon_cp_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3163         DRM_IOCTL_DEF(DRM_RADEON_CP_RESET, radeon_cp_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3164         DRM_IOCTL_DEF(DRM_RADEON_CP_IDLE, radeon_cp_idle, DRM_AUTH),
3165         DRM_IOCTL_DEF(DRM_RADEON_CP_RESUME, radeon_cp_resume, DRM_AUTH),
3166         DRM_IOCTL_DEF(DRM_RADEON_RESET, radeon_engine_reset, DRM_AUTH),
3167         DRM_IOCTL_DEF(DRM_RADEON_FULLSCREEN, radeon_fullscreen, DRM_AUTH),
3168         DRM_IOCTL_DEF(DRM_RADEON_SWAP, radeon_cp_swap, DRM_AUTH),
3169         DRM_IOCTL_DEF(DRM_RADEON_CLEAR, radeon_cp_clear, DRM_AUTH),
3170         DRM_IOCTL_DEF(DRM_RADEON_VERTEX, radeon_cp_vertex, DRM_AUTH),
3171         DRM_IOCTL_DEF(DRM_RADEON_INDICES, radeon_cp_indices, DRM_AUTH),
3172         DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, radeon_cp_texture, DRM_AUTH),
3173         DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, radeon_cp_stipple, DRM_AUTH),
3174         DRM_IOCTL_DEF(DRM_RADEON_INDIRECT, radeon_cp_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3175         DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, radeon_cp_vertex2, DRM_AUTH),
3176         DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, radeon_cp_cmdbuf, DRM_AUTH),
3177         DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, radeon_cp_getparam, DRM_AUTH),
3178         DRM_IOCTL_DEF(DRM_RADEON_FLIP, radeon_cp_flip, DRM_AUTH),
3179         DRM_IOCTL_DEF(DRM_RADEON_ALLOC, radeon_mem_alloc, DRM_AUTH),
3180         DRM_IOCTL_DEF(DRM_RADEON_FREE, radeon_mem_free, DRM_AUTH),
3181         DRM_IOCTL_DEF(DRM_RADEON_INIT_HEAP, radeon_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
3182         DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, radeon_irq_emit, DRM_AUTH),
3183         DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait, DRM_AUTH),
3184         DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam, DRM_AUTH),
3185         DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc, DRM_AUTH),
3186         DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free, DRM_AUTH)
3187 };
3188
3189 int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls);