drivers/char/drm/radeon_cp.c

   1 /* radeon_cp.c -- CP support for Radeon -*- linux-c -*- */
   2 /*
   3  * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
   4  * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24  * DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors:
  27  *    Kevin E. Martin <martin@valinux.com>
  28  *    Gareth Hughes <gareth@valinux.com>
  29  */
  30
  31 #include "drmP.h"
  32 #include "drm.h"
  33 #include "radeon_drm.h"
  34 #include "radeon_drv.h"
  35 #include "r300_reg.h"
  36
  37 #define RADEON_FIFO_DEBUG       0
  38
  39 static int radeon_do_cleanup_cp(struct drm_device * dev);
  40
  41 /* CP microcode (from ATI) */
  42 static const u32 R200_cp_microcode[][2] = {
  43         {0x21007000, 0000000000},
  44         {0x20007000, 0000000000},
  45         {0x000000ab, 0x00000004},
  46         {0x000000af, 0x00000004},
  47         {0x66544a49, 0000000000},
  48         {0x49494174, 0000000000},
  49         {0x54517d83, 0000000000},
  50         {0x498d8b64, 0000000000},
  51         {0x49494949, 0000000000},
  52         {0x49da493c, 0000000000},
  53         {0x49989898, 0000000000},
  54         {0xd34949d5, 0000000000},
  55         {0x9dc90e11, 0000000000},
  56         {0xce9b9b9b, 0000000000},
  57         {0x000f0000, 0x00000016},
  58         {0x352e232c, 0000000000},
  59         {0x00000013, 0x00000004},
  60         {0x000f0000, 0x00000016},
  61         {0x352e272c, 0000000000},
  62         {0x000f0001, 0x00000016},
  63         {0x3239362f, 0000000000},
  64         {0x000077ef, 0x00000002},
  65         {0x00061000, 0x00000002},
  66         {0x00000020, 0x0000001a},
  67         {0x00004000, 0x0000001e},
  68         {0x00061000, 0x00000002},
  69         {0x00000020, 0x0000001a},
  70         {0x00004000, 0x0000001e},
  71         {0x00061000, 0x00000002},
  72         {0x00000020, 0x0000001a},
  73         {0x00004000, 0x0000001e},
  74         {0x00000016, 0x00000004},
  75         {0x0003802a, 0x00000002},
  76         {0x040067e0, 0x00000002},
  77         {0x00000016, 0x00000004},
  78         {0x000077e0, 0x00000002},
  79         {0x00065000, 0x00000002},
  80         {0x000037e1, 0x00000002},
  81         {0x040067e1, 0x00000006},
  82         {0x000077e0, 0x00000002},
  83         {0x000077e1, 0x00000002},
  84         {0x000077e1, 0x00000006},
  85         {0xffffffff, 0000000000},
  86         {0x10000000, 0000000000},
  87         {0x0003802a, 0x00000002},
  88         {0x040067e0, 0x00000006},
  89         {0x00007675, 0x00000002},
  90         {0x00007676, 0x00000002},
  91         {0x00007677, 0x00000002},
  92         {0x00007678, 0x00000006},
  93         {0x0003802b, 0x00000002},
  94         {0x04002676, 0x00000002},
  95         {0x00007677, 0x00000002},
  96         {0x00007678, 0x00000006},
  97         {0x0000002e, 0x00000018},
  98         {0x0000002e, 0x00000018},
  99         {0000000000, 0x00000006},
 100         {0x0000002f, 0x00000018},
 101         {0x0000002f, 0x00000018},
 102         {0000000000, 0x00000006},
 103         {0x01605000, 0x00000002},
 104         {0x00065000, 0x00000002},
 105         {0x00098000, 0x00000002},
 106         {0x00061000, 0x00000002},
 107         {0x64c0603d, 0x00000004},
 108         {0x00080000, 0x00000016},
 109         {0000000000, 0000000000},
 110         {0x0400251d, 0x00000002},
 111         {0x00007580, 0x00000002},
 112         {0x00067581, 0x00000002},
 113         {0x04002580, 0x00000002},
 114         {0x00067581, 0x00000002},
 115         {0x00000046, 0x00000004},
 116         {0x00005000, 0000000000},
 117         {0x00061000, 0x00000002},
 118         {0x0000750e, 0x00000002},
 119         {0x00019000, 0x00000002},
 120         {0x00011055, 0x00000014},
 121         {0x00000055, 0x00000012},
 122         {0x0400250f, 0x00000002},
 123         {0x0000504a, 0x00000004},
 124         {0x00007565, 0x00000002},
 125         {0x00007566, 0x00000002},
 126         {0x00000051, 0x00000004},
 127         {0x01e655b4, 0x00000002},
 128         {0x4401b0dc, 0x00000002},
 129         {0x01c110dc, 0x00000002},
 130         {0x2666705d, 0x00000018},
 131         {0x040c2565, 0x00000002},
 132         {0x0000005d, 0x00000018},
 133         {0x04002564, 0x00000002},
 134         {0x00007566, 0x00000002},
 135         {0x00000054, 0x00000004},
 136         {0x00401060, 0x00000008},
 137         {0x00101000, 0x00000002},
 138         {0x000d80ff, 0x00000002},
 139         {0x00800063, 0x00000008},
 140         {0x000f9000, 0x00000002},
 141         {0x000e00ff, 0x00000002},
 142         {0000000000, 0x00000006},
 143         {0x00000080, 0x00000018},
 144         {0x00000054, 0x00000004},
 145         {0x00007576, 0x00000002},
 146         {0x00065000, 0x00000002},
 147         {0x00009000, 0x00000002},
 148         {0x00041000, 0x00000002},
 149         {0x0c00350e, 0x00000002},
 150         {0x00049000, 0x00000002},
 151         {0x00051000, 0x00000002},
 152         {0x01e785f8, 0x00000002},
 153         {0x00200000, 0x00000002},
 154         {0x00600073, 0x0000000c},
 155         {0x00007563, 0x00000002},
 156         {0x006075f0, 0x00000021},
 157         {0x20007068, 0x00000004},
 158         {0x00005068, 0x00000004},
 159         {0x00007576, 0x00000002},
 160         {0x00007577, 0x00000002},
 161         {0x0000750e, 0x00000002},
 162         {0x0000750f, 0x00000002},
 163         {0x00a05000, 0x00000002},
 164         {0x00600076, 0x0000000c},
 165         {0x006075f0, 0x00000021},
 166         {0x000075f8, 0x00000002},
 167         {0x00000076, 0x00000004},
 168         {0x000a750e, 0x00000002},
 169         {0x0020750f, 0x00000002},
 170         {0x00600079, 0x00000004},
 171         {0x00007570, 0x00000002},
 172         {0x00007571, 0x00000002},
 173         {0x00007572, 0x00000006},
 174         {0x00005000, 0x00000002},
 175         {0x00a05000, 0x00000002},
 176         {0x00007568, 0x00000002},
 177         {0x00061000, 0x00000002},
 178         {0x00000084, 0x0000000c},
 179         {0x00058000, 0x00000002},
 180         {0x0c607562, 0x00000002},
 181         {0x00000086, 0x00000004},
 182         {0x00600085, 0x00000004},
 183         {0x400070dd, 0000000000},
 184         {0x000380dd, 0x00000002},
 185         {0x00000093, 0x0000001c},
 186         {0x00065095, 0x00000018},
 187         {0x040025bb, 0x00000002},
 188         {0x00061096, 0x00000018},
 189         {0x040075bc, 0000000000},
 190         {0x000075bb, 0x00000002},
 191         {0x000075bc, 0000000000},
 192         {0x00090000, 0x00000006},
 193         {0x00090000, 0x00000002},
 194         {0x000d8002, 0x00000006},
 195         {0x00005000, 0x00000002},
 196         {0x00007821, 0x00000002},
 197         {0x00007800, 0000000000},
 198         {0x00007821, 0x00000002},
 199         {0x00007800, 0000000000},
 200         {0x01665000, 0x00000002},
 201         {0x000a0000, 0x00000002},
 202         {0x000671cc, 0x00000002},
 203         {0x0286f1cd, 0x00000002},
 204         {0x000000a3, 0x00000010},
 205         {0x21007000, 0000000000},
 206         {0x000000aa, 0x0000001c},
 207         {0x00065000, 0x00000002},
 208         {0x000a0000, 0x00000002},
 209         {0x00061000, 0x00000002},
 210         {0x000b0000, 0x00000002},
 211         {0x38067000, 0x00000002},
 212         {0x000a00a6, 0x00000004},
 213         {0x20007000, 0000000000},
 214         {0x01200000, 0x00000002},
 215         {0x20077000, 0x00000002},
 216         {0x01200000, 0x00000002},
 217         {0x20007000, 0000000000},
 218         {0x00061000, 0x00000002},
 219         {0x0120751b, 0x00000002},
 220         {0x8040750a, 0x00000002},
 221         {0x8040750b, 0x00000002},
 222         {0x00110000, 0x00000002},
 223         {0x000380dd, 0x00000002},
 224         {0x000000bd, 0x0000001c},
 225         {0x00061096, 0x00000018},
 226         {0x844075bd, 0x00000002},
 227         {0x00061095, 0x00000018},
 228         {0x840075bb, 0x00000002},
 229         {0x00061096, 0x00000018},
 230         {0x844075bc, 0x00000002},
 231         {0x000000c0, 0x00000004},
 232         {0x804075bd, 0x00000002},
 233         {0x800075bb, 0x00000002},
 234         {0x804075bc, 0x00000002},
 235         {0x00108000, 0x00000002},
 236         {0x01400000, 0x00000002},
 237         {0x006000c4, 0x0000000c},
 238         {0x20c07000, 0x00000020},
 239         {0x000000c6, 0x00000012},
 240         {0x00800000, 0x00000006},
 241         {0x0080751d, 0x00000006},
 242         {0x000025bb, 0x00000002},
 243         {0x000040c0, 0x00000004},
 244         {0x0000775c, 0x00000002},
 245         {0x00a05000, 0x00000002},
 246         {0x00661000, 0x00000002},
 247         {0x0460275d, 0x00000020},
 248         {0x00004000, 0000000000},
 249         {0x00007999, 0x00000002},
 250         {0x00a05000, 0x00000002},
 251         {0x00661000, 0x00000002},
 252         {0x0460299b, 0x00000020},
 253         {0x00004000, 0000000000},
 254         {0x01e00830, 0x00000002},
 255         {0x21007000, 0000000000},
 256         {0x00005000, 0x00000002},
 257         {0x00038042, 0x00000002},
 258         {0x040025e0, 0x00000002},
 259         {0x000075e1, 0000000000},
 260         {0x00000001, 0000000000},
 261         {0x000380d9, 0x00000002},
 262         {0x04007394, 0000000000},
 263         {0000000000, 0000000000},
 264         {0000000000, 0000000000},
 265         {0000000000, 0000000000},
 266         {0000000000, 0000000000},
 267         {0000000000, 0000000000},
 268         {0000000000, 0000000000},
 269         {0000000000, 0000000000},
 270         {0000000000, 0000000000},
 271         {0000000000, 0000000000},
 272         {0000000000, 0000000000},
 273         {0000000000, 0000000000},
 274         {0000000000, 0000000000},
 275         {0000000000, 0000000000},
 276         {0000000000, 0000000000},
 277         {0000000000, 0000000000},
 278         {0000000000, 0000000000},
 279         {0000000000, 0000000000},
 280         {0000000000, 0000000000},
 281         {0000000000, 0000000000},
 282         {0000000000, 0000000000},
 283         {0000000000, 0000000000},
 284         {0000000000, 0000000000},
 285         {0000000000, 0000000000},
 286         {0000000000, 0000000000},
 287         {0000000000, 0000000000},
 288         {0000000000, 0000000000},
 289         {0000000000, 0000000000},
 290         {0000000000, 0000000000},
 291         {0000000000, 0000000000},
 292         {0000000000, 0000000000},
 293         {0000000000, 0000000000},
 294         {0000000000, 0000000000},
 295         {0000000000, 0000000000},
 296         {0000000000, 0000000000},
 297         {0000000000, 0000000000},
 298         {0000000000, 0000000000},
 299 };
 300
 301 static const u32 radeon_cp_microcode[][2] = {
 302         {0x21007000, 0000000000},
 303         {0x20007000, 0000000000},
 304         {0x000000b4, 0x00000004},
 305         {0x000000b8, 0x00000004},
 306         {0x6f5b4d4c, 0000000000},
 307         {0x4c4c427f, 0000000000},
 308         {0x5b568a92, 0000000000},
 309         {0x4ca09c6d, 0000000000},
 310         {0xad4c4c4c, 0000000000},
 311         {0x4ce1af3d, 0000000000},
 312         {0xd8afafaf, 0000000000},
 313         {0xd64c4cdc, 0000000000},
 314         {0x4cd10d10, 0000000000},
 315         {0x000f0000, 0x00000016},
 316         {0x362f242d, 0000000000},
 317         {0x00000012, 0x00000004},
 318         {0x000f0000, 0x00000016},
 319         {0x362f282d, 0000000000},
 320         {0x000380e7, 0x00000002},
 321         {0x04002c97, 0x00000002},
 322         {0x000f0001, 0x00000016},
 323         {0x333a3730, 0000000000},
 324         {0x000077ef, 0x00000002},
 325         {0x00061000, 0x00000002},
 326         {0x00000021, 0x0000001a},
 327         {0x00004000, 0x0000001e},
 328         {0x00061000, 0x00000002},
 329         {0x00000021, 0x0000001a},
 330         {0x00004000, 0x0000001e},
 331         {0x00061000, 0x00000002},
 332         {0x00000021, 0x0000001a},
 333         {0x00004000, 0x0000001e},
 334         {0x00000017, 0x00000004},
 335         {0x0003802b, 0x00000002},
 336         {0x040067e0, 0x00000002},
 337         {0x00000017, 0x00000004},
 338         {0x000077e0, 0x00000002},
 339         {0x00065000, 0x00000002},
 340         {0x000037e1, 0x00000002},
 341         {0x040067e1, 0x00000006},
 342         {0x000077e0, 0x00000002},
 343         {0x000077e1, 0x00000002},
 344         {0x000077e1, 0x00000006},
 345         {0xffffffff, 0000000000},
 346         {0x10000000, 0000000000},
 347         {0x0003802b, 0x00000002},
 348         {0x040067e0, 0x00000006},
 349         {0x00007675, 0x00000002},
 350         {0x00007676, 0x00000002},
 351         {0x00007677, 0x00000002},
 352         {0x00007678, 0x00000006},
 353         {0x0003802c, 0x00000002},
 354         {0x04002676, 0x00000002},
 355         {0x00007677, 0x00000002},
 356         {0x00007678, 0x00000006},
 357         {0x0000002f, 0x00000018},
 358         {0x0000002f, 0x00000018},
 359         {0000000000, 0x00000006},
 360         {0x00000030, 0x00000018},
 361         {0x00000030, 0x00000018},
 362         {0000000000, 0x00000006},
 363         {0x01605000, 0x00000002},
 364         {0x00065000, 0x00000002},
 365         {0x00098000, 0x00000002},
 366         {0x00061000, 0x00000002},
 367         {0x64c0603e, 0x00000004},
 368         {0x000380e6, 0x00000002},
 369         {0x040025c5, 0x00000002},
 370         {0x00080000, 0x00000016},
 371         {0000000000, 0000000000},
 372         {0x0400251d, 0x00000002},
 373         {0x00007580, 0x00000002},
 374         {0x00067581, 0x00000002},
 375         {0x04002580, 0x00000002},
 376         {0x00067581, 0x00000002},
 377         {0x00000049, 0x00000004},
 378         {0x00005000, 0000000000},
 379         {0x000380e6, 0x00000002},
 380         {0x040025c5, 0x00000002},
 381         {0x00061000, 0x00000002},
 382         {0x0000750e, 0x00000002},
 383         {0x00019000, 0x00000002},
 384         {0x00011055, 0x00000014},
 385         {0x00000055, 0x00000012},
 386         {0x0400250f, 0x00000002},
 387         {0x0000504f, 0x00000004},
 388         {0x000380e6, 0x00000002},
 389         {0x040025c5, 0x00000002},
 390         {0x00007565, 0x00000002},
 391         {0x00007566, 0x00000002},
 392         {0x00000058, 0x00000004},
 393         {0x000380e6, 0x00000002},
 394         {0x040025c5, 0x00000002},
 395         {0x01e655b4, 0x00000002},
 396         {0x4401b0e4, 0x00000002},
 397         {0x01c110e4, 0x00000002},
 398         {0x26667066, 0x00000018},
 399         {0x040c2565, 0x00000002},
 400         {0x00000066, 0x00000018},
 401         {0x04002564, 0x00000002},
 402         {0x00007566, 0x00000002},
 403         {0x0000005d, 0x00000004},
 404         {0x00401069, 0x00000008},
 405         {0x00101000, 0x00000002},
 406         {0x000d80ff, 0x00000002},
 407         {0x0080006c, 0x00000008},
 408         {0x000f9000, 0x00000002},
 409         {0x000e00ff, 0x00000002},
 410         {0000000000, 0x00000006},
 411         {0x0000008f, 0x00000018},
 412         {0x0000005b, 0x00000004},
 413         {0x000380e6, 0x00000002},
 414         {0x040025c5, 0x00000002},
 415         {0x00007576, 0x00000002},
 416         {0x00065000, 0x00000002},
 417         {0x00009000, 0x00000002},
 418         {0x00041000, 0x00000002},
 419         {0x0c00350e, 0x00000002},
 420         {0x00049000, 0x00000002},
 421         {0x00051000, 0x00000002},
 422         {0x01e785f8, 0x00000002},
 423         {0x00200000, 0x00000002},
 424         {0x0060007e, 0x0000000c},
 425         {0x00007563, 0x00000002},
 426         {0x006075f0, 0x00000021},
 427         {0x20007073, 0x00000004},
 428         {0x00005073, 0x00000004},
 429         {0x000380e6, 0x00000002},
 430         {0x040025c5, 0x00000002},
 431         {0x00007576, 0x00000002},
 432         {0x00007577, 0x00000002},
 433         {0x0000750e, 0x00000002},
 434         {0x0000750f, 0x00000002},
 435         {0x00a05000, 0x00000002},
 436         {0x00600083, 0x0000000c},
 437         {0x006075f0, 0x00000021},
 438         {0x000075f8, 0x00000002},
 439         {0x00000083, 0x00000004},
 440         {0x000a750e, 0x00000002},
 441         {0x000380e6, 0x00000002},
 442         {0x040025c5, 0x00000002},
 443         {0x0020750f, 0x00000002},
 444         {0x00600086, 0x00000004},
 445         {0x00007570, 0x00000002},
 446         {0x00007571, 0x00000002},
 447         {0x00007572, 0x00000006},
 448         {0x000380e6, 0x00000002},
 449         {0x040025c5, 0x00000002},
 450         {0x00005000, 0x00000002},
 451         {0x00a05000, 0x00000002},
 452         {0x00007568, 0x00000002},
 453         {0x00061000, 0x00000002},
 454         {0x00000095, 0x0000000c},
 455         {0x00058000, 0x00000002},
 456         {0x0c607562, 0x00000002},
 457         {0x00000097, 0x00000004},
 458         {0x000380e6, 0x00000002},
 459         {0x040025c5, 0x00000002},
 460         {0x00600096, 0x00000004},
 461         {0x400070e5, 0000000000},
 462         {0x000380e6, 0x00000002},
 463         {0x040025c5, 0x00000002},
 464         {0x000380e5, 0x00000002},
 465         {0x000000a8, 0x0000001c},
 466         {0x000650aa, 0x00000018},
 467         {0x040025bb, 0x00000002},
 468         {0x000610ab, 0x00000018},
 469         {0x040075bc, 0000000000},
 470         {0x000075bb, 0x00000002},
 471         {0x000075bc, 0000000000},
 472         {0x00090000, 0x00000006},
 473         {0x00090000, 0x00000002},
 474         {0x000d8002, 0x00000006},
 475         {0x00007832, 0x00000002},
 476         {0x00005000, 0x00000002},
 477         {0x000380e7, 0x00000002},
 478         {0x04002c97, 0x00000002},
 479         {0x00007820, 0x00000002},
 480         {0x00007821, 0x00000002},
 481         {0x00007800, 0000000000},
 482         {0x01200000, 0x00000002},
 483         {0x20077000, 0x00000002},
 484         {0x01200000, 0x00000002},
 485         {0x20007000, 0x00000002},
 486         {0x00061000, 0x00000002},
 487         {0x0120751b, 0x00000002},
 488         {0x8040750a, 0x00000002},
 489         {0x8040750b, 0x00000002},
 490         {0x00110000, 0x00000002},
 491         {0x000380e5, 0x00000002},
 492         {0x000000c6, 0x0000001c},
 493         {0x000610ab, 0x00000018},
 494         {0x844075bd, 0x00000002},
 495         {0x000610aa, 0x00000018},
 496         {0x840075bb, 0x00000002},
 497         {0x000610ab, 0x00000018},
 498         {0x844075bc, 0x00000002},
 499         {0x000000c9, 0x00000004},
 500         {0x804075bd, 0x00000002},
 501         {0x800075bb, 0x00000002},
 502         {0x804075bc, 0x00000002},
 503         {0x00108000, 0x00000002},
 504         {0x01400000, 0x00000002},
 505         {0x006000cd, 0x0000000c},
 506         {0x20c07000, 0x00000020},
 507         {0x000000cf, 0x00000012},
 508         {0x00800000, 0x00000006},
 509         {0x0080751d, 0x00000006},
 510         {0000000000, 0000000000},
 511         {0x0000775c, 0x00000002},
 512         {0x00a05000, 0x00000002},
 513         {0x00661000, 0x00000002},
 514         {0x0460275d, 0x00000020},
 515         {0x00004000, 0000000000},
 516         {0x01e00830, 0x00000002},
 517         {0x21007000, 0000000000},
 518         {0x6464614d, 0000000000},
 519         {0x69687420, 0000000000},
 520         {0x00000073, 0000000000},
 521         {0000000000, 0000000000},
 522         {0x00005000, 0x00000002},
 523         {0x000380d0, 0x00000002},
 524         {0x040025e0, 0x00000002},
 525         {0x000075e1, 0000000000},
 526         {0x00000001, 0000000000},
 527         {0x000380e0, 0x00000002},
 528         {0x04002394, 0x00000002},
 529         {0x00005000, 0000000000},
 530         {0000000000, 0000000000},
 531         {0000000000, 0000000000},
 532         {0x00000008, 0000000000},
 533         {0x00000004, 0000000000},
 534         {0000000000, 0000000000},
 535         {0000000000, 0000000000},
 536         {0000000000, 0000000000},
 537         {0000000000, 0000000000},
 538         {0000000000, 0000000000},
 539         {0000000000, 0000000000},
 540         {0000000000, 0000000000},
 541         {0000000000, 0000000000},
 542         {0000000000, 0000000000},
 543         {0000000000, 0000000000},
 544         {0000000000, 0000000000},
 545         {0000000000, 0000000000},
 546         {0000000000, 0000000000},
 547         {0000000000, 0000000000},
 548         {0000000000, 0000000000},
 549         {0000000000, 0000000000},
 550         {0000000000, 0000000000},
 551         {0000000000, 0000000000},
 552         {0000000000, 0000000000},
 553         {0000000000, 0000000000},
 554         {0000000000, 0000000000},
 555         {0000000000, 0000000000},
 556         {0000000000, 0000000000},
 557         {0000000000, 0000000000},
 558 };
 559
 560 static const u32 R300_cp_microcode[][2] = {
 561         {0x4200e000, 0000000000},
 562         {0x4000e000, 0000000000},
 563         {0x000000af, 0x00000008},
 564         {0x000000b3, 0x00000008},
 565         {0x6c5a504f, 0000000000},
 566         {0x4f4f497a, 0000000000},
 567         {0x5a578288, 0000000000},
 568         {0x4f91906a, 0000000000},
 569         {0x4f4f4f4f, 0000000000},
 570         {0x4fe24f44, 0000000000},
 571         {0x4f9c9c9c, 0000000000},
 572         {0xdc4f4fde, 0000000000},
 573         {0xa1cd4f4f, 0000000000},
 574         {0xd29d9d9d, 0000000000},
 575         {0x4f0f9fd7, 0000000000},
 576         {0x000ca000, 0x00000004},
 577         {0x000d0012, 0x00000038},
 578         {0x0000e8b4, 0x00000004},
 579         {0x000d0014, 0x00000038},
 580         {0x0000e8b6, 0x00000004},
 581         {0x000d0016, 0x00000038},
 582         {0x0000e854, 0x00000004},
 583         {0x000d0018, 0x00000038},
 584         {0x0000e855, 0x00000004},
 585         {0x000d001a, 0x00000038},
 586         {0x0000e856, 0x00000004},
 587         {0x000d001c, 0x00000038},
 588         {0x0000e857, 0x00000004},
 589         {0x000d001e, 0x00000038},
 590         {0x0000e824, 0x00000004},
 591         {0x000d0020, 0x00000038},
 592         {0x0000e825, 0x00000004},
 593         {0x000d0022, 0x00000038},
 594         {0x0000e830, 0x00000004},
 595         {0x000d0024, 0x00000038},
 596         {0x0000f0c0, 0x00000004},
 597         {0x000d0026, 0x00000038},
 598         {0x0000f0c1, 0x00000004},
 599         {0x000d0028, 0x00000038},
 600         {0x0000f041, 0x00000004},
 601         {0x000d002a, 0x00000038},
 602         {0x0000f184, 0x00000004},
 603         {0x000d002c, 0x00000038},
 604         {0x0000f185, 0x00000004},
 605         {0x000d002e, 0x00000038},
 606         {0x0000f186, 0x00000004},
 607         {0x000d0030, 0x00000038},
 608         {0x0000f187, 0x00000004},
 609         {0x000d0032, 0x00000038},
 610         {0x0000f180, 0x00000004},
 611         {0x000d0034, 0x00000038},
 612         {0x0000f393, 0x00000004},
 613         {0x000d0036, 0x00000038},
 614         {0x0000f38a, 0x00000004},
 615         {0x000d0038, 0x00000038},
 616         {0x0000f38e, 0x00000004},
 617         {0x0000e821, 0x00000004},
 618         {0x0140a000, 0x00000004},
 619         {0x00000043, 0x00000018},
 620         {0x00cce800, 0x00000004},
 621         {0x001b0001, 0x00000004},
 622         {0x08004800, 0x00000004},
 623         {0x001b0001, 0x00000004},
 624         {0x08004800, 0x00000004},
 625         {0x001b0001, 0x00000004},
 626         {0x08004800, 0x00000004},
 627         {0x0000003a, 0x00000008},
 628         {0x0000a000, 0000000000},
 629         {0x02c0a000, 0x00000004},
 630         {0x000ca000, 0x00000004},
 631         {0x00130000, 0x00000004},
 632         {0x000c2000, 0x00000004},
 633         {0xc980c045, 0x00000008},
 634         {0x2000451d, 0x00000004},
 635         {0x0000e580, 0x00000004},
 636         {0x000ce581, 0x00000004},
 637         {0x08004580, 0x00000004},
 638         {0x000ce581, 0x00000004},
 639         {0x0000004c, 0x00000008},
 640         {0x0000a000, 0000000000},
 641         {0x000c2000, 0x00000004},
 642         {0x0000e50e, 0x00000004},
 643         {0x00032000, 0x00000004},
 644         {0x00022056, 0x00000028},
 645         {0x00000056, 0x00000024},
 646         {0x0800450f, 0x00000004},
 647         {0x0000a050, 0x00000008},
 648         {0x0000e565, 0x00000004},
 649         {0x0000e566, 0x00000004},
 650         {0x00000057, 0x00000008},
 651         {0x03cca5b4, 0x00000004},
 652         {0x05432000, 0x00000004},
 653         {0x00022000, 0x00000004},
 654         {0x4ccce063, 0x00000030},
 655         {0x08274565, 0x00000004},
 656         {0x00000063, 0x00000030},
 657         {0x08004564, 0x00000004},
 658         {0x0000e566, 0x00000004},
 659         {0x0000005a, 0x00000008},
 660         {0x00802066, 0x00000010},
 661         {0x00202000, 0x00000004},
 662         {0x001b00ff, 0x00000004},
 663         {0x01000069, 0x00000010},
 664         {0x001f2000, 0x00000004},
 665         {0x001c00ff, 0x00000004},
 666         {0000000000, 0x0000000c},
 667         {0x00000085, 0x00000030},
 668         {0x0000005a, 0x00000008},
 669         {0x0000e576, 0x00000004},
 670         {0x000ca000, 0x00000004},
 671         {0x00012000, 0x00000004},
 672         {0x00082000, 0x00000004},
 673         {0x1800650e, 0x00000004},
 674         {0x00092000, 0x00000004},
 675         {0x000a2000, 0x00000004},
 676         {0x000f0000, 0x00000004},
 677         {0x00400000, 0x00000004},
 678         {0x00000079, 0x00000018},
 679         {0x0000e563, 0x00000004},
 680         {0x00c0e5f9, 0x000000c2},
 681         {0x0000006e, 0x00000008},
 682         {0x0000a06e, 0x00000008},
 683         {0x0000e576, 0x00000004},
 684         {0x0000e577, 0x00000004},
 685         {0x0000e50e, 0x00000004},
 686         {0x0000e50f, 0x00000004},
 687         {0x0140a000, 0x00000004},
 688         {0x0000007c, 0x00000018},
 689         {0x00c0e5f9, 0x000000c2},
 690         {0x0000007c, 0x00000008},
 691         {0x0014e50e, 0x00000004},
 692         {0x0040e50f, 0x00000004},
 693         {0x00c0007f, 0x00000008},
 694         {0x0000e570, 0x00000004},
 695         {0x0000e571, 0x00000004},
 696         {0x0000e572, 0x0000000c},
 697         {0x0000a000, 0x00000004},
 698         {0x0140a000, 0x00000004},
 699         {0x0000e568, 0x00000004},
 700         {0x000c2000, 0x00000004},
 701         {0x00000089, 0x00000018},
 702         {0x000b0000, 0x00000004},
 703         {0x18c0e562, 0x00000004},
 704         {0x0000008b, 0x00000008},
 705         {0x00c0008a, 0x00000008},
 706         {0x000700e4, 0x00000004},
 707         {0x00000097, 0x00000038},
 708         {0x000ca099, 0x00000030},
 709         {0x080045bb, 0x00000004},
 710         {0x000c209a, 0x00000030},
 711         {0x0800e5bc, 0000000000},
 712         {0x0000e5bb, 0x00000004},
 713         {0x0000e5bc, 0000000000},
 714         {0x00120000, 0x0000000c},
 715         {0x00120000, 0x00000004},
 716         {0x001b0002, 0x0000000c},
 717         {0x0000a000, 0x00000004},
 718         {0x0000e821, 0x00000004},
 719         {0x0000e800, 0000000000},
 720         {0x0000e821, 0x00000004},
 721         {0x0000e82e, 0000000000},
 722         {0x02cca000, 0x00000004},
 723         {0x00140000, 0x00000004},
 724         {0x000ce1cc, 0x00000004},
 725         {0x050de1cd, 0x00000004},
 726         {0x000000a7, 0x00000020},
 727         {0x4200e000, 0000000000},
 728         {0x000000ae, 0x00000038},
 729         {0x000ca000, 0x00000004},
 730         {0x00140000, 0x00000004},
 731         {0x000c2000, 0x00000004},
 732         {0x00160000, 0x00000004},
 733         {0x700ce000, 0x00000004},
 734         {0x001400aa, 0x00000008},
 735         {0x4000e000, 0000000000},
 736         {0x02400000, 0x00000004},
 737         {0x400ee000, 0x00000004},
 738         {0x02400000, 0x00000004},
 739         {0x4000e000, 0000000000},
 740         {0x000c2000, 0x00000004},
 741         {0x0240e51b, 0x00000004},
 742         {0x0080e50a, 0x00000005},
 743         {0x0080e50b, 0x00000005},
 744         {0x00220000, 0x00000004},
 745         {0x000700e4, 0x00000004},
 746         {0x000000c1, 0x00000038},
 747         {0x000c209a, 0x00000030},
 748         {0x0880e5bd, 0x00000005},
 749         {0x000c2099, 0x00000030},
 750         {0x0800e5bb, 0x00000005},
 751         {0x000c209a, 0x00000030},
 752         {0x0880e5bc, 0x00000005},
 753         {0x000000c4, 0x00000008},
 754         {0x0080e5bd, 0x00000005},
 755         {0x0000e5bb, 0x00000005},
 756         {0x0080e5bc, 0x00000005},
 757         {0x00210000, 0x00000004},
 758         {0x02800000, 0x00000004},
 759         {0x00c000c8, 0x00000018},
 760         {0x4180e000, 0x00000040},
 761         {0x000000ca, 0x00000024},
 762         {0x01000000, 0x0000000c},
 763         {0x0100e51d, 0x0000000c},
 764         {0x000045bb, 0x00000004},
 765         {0x000080c4, 0x00000008},
 766         {0x0000f3ce, 0x00000004},
 767         {0x0140a000, 0x00000004},
 768         {0x00cc2000, 0x00000004},
 769         {0x08c053cf, 0x00000040},
 770         {0x00008000, 0000000000},
 771         {0x0000f3d2, 0x00000004},
 772         {0x0140a000, 0x00000004},
 773         {0x00cc2000, 0x00000004},
 774         {0x08c053d3, 0x00000040},
 775         {0x00008000, 0000000000},
 776         {0x0000f39d, 0x00000004},
 777         {0x0140a000, 0x00000004},
 778         {0x00cc2000, 0x00000004},
 779         {0x08c0539e, 0x00000040},
 780         {0x00008000, 0000000000},
 781         {0x03c00830, 0x00000004},
 782         {0x4200e000, 0000000000},
 783         {0x0000a000, 0x00000004},
 784         {0x200045e0, 0x00000004},
 785         {0x0000e5e1, 0000000000},
 786         {0x00000001, 0000000000},
 787         {0x000700e1, 0x00000004},
 788         {0x0800e394, 0000000000},
 789         {0000000000, 0000000000},
 790         {0000000000, 0000000000},
 791         {0000000000, 0000000000},
 792         {0000000000, 0000000000},
 793         {0000000000, 0000000000},
 794         {0000000000, 0000000000},
 795         {0000000000, 0000000000},
 796         {0000000000, 0000000000},
 797         {0000000000, 0000000000},
 798         {0000000000, 0000000000},
 799         {0000000000, 0000000000},
 800         {0000000000, 0000000000},
 801         {0000000000, 0000000000},
 802         {0000000000, 0000000000},
 803         {0000000000, 0000000000},
 804         {0000000000, 0000000000},
 805         {0000000000, 0000000000},
 806         {0000000000, 0000000000},
 807         {0000000000, 0000000000},
 808         {0000000000, 0000000000},
 809         {0000000000, 0000000000},
 810         {0000000000, 0000000000},
 811         {0000000000, 0000000000},
 812         {0000000000, 0000000000},
 813         {0000000000, 0000000000},
 814         {0000000000, 0000000000},
 815         {0000000000, 0000000000},
 816         {0000000000, 0000000000},
 817 };
 818
 819 static int RADEON_READ_PLL(struct drm_device * dev, int addr)
 820 {
 821         drm_radeon_private_t *dev_priv = dev->dev_private;
 822
 823         RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
 824         return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
 825 }
 826
 827 static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
 828 {
 829         RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
 830         return RADEON_READ(RADEON_PCIE_DATA);
 831 }
 832
 833 static u32 RADEON_READ_IGPGART(drm_radeon_private_t *dev_priv, int addr)
 834 {
 835         u32 ret;
 836         RADEON_WRITE(RADEON_IGPGART_INDEX, addr & 0x7f);
 837         ret = RADEON_READ(RADEON_IGPGART_DATA);
 838         RADEON_WRITE(RADEON_IGPGART_INDEX, 0x7f);
 839         return ret;
 840 }
 841
 842 #if RADEON_FIFO_DEBUG
 843 static void radeon_status(drm_radeon_private_t * dev_priv)
 844 {
 845         printk("%s:\n", __FUNCTION__);
 846         printk("RBBM_STATUS = 0x%08x\n",
 847                (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
 848         printk("CP_RB_RTPR = 0x%08x\n",
 849                (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
 850         printk("CP_RB_WTPR = 0x%08x\n",
 851                (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
 852         printk("AIC_CNTL = 0x%08x\n",
 853                (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
 854         printk("AIC_STAT = 0x%08x\n",
 855                (unsigned int)RADEON_READ(RADEON_AIC_STAT));
 856         printk("AIC_PT_BASE = 0x%08x\n",
 857                (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
 858         printk("TLB_ADDR = 0x%08x\n",
 859                (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
 860         printk("TLB_DATA = 0x%08x\n",
 861                (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
 862 }
 863 #endif
 864
 865 /* ================================================================
 866  * Engine, FIFO control
 867  */
 868
 869 static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
 870 {
 871         u32 tmp;
 872         int i;
 873
 874         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 875
 876         tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
 877         tmp |= RADEON_RB3D_DC_FLUSH_ALL;
 878         RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
 879
 880         for (i = 0; i < dev_priv->usec_timeout; i++) {
 881                 if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
 882                       & RADEON_RB3D_DC_BUSY)) {
 883                         return 0;
 884                 }
 885                 DRM_UDELAY(1);
 886         }
 887
 888 #if RADEON_FIFO_DEBUG
 889         DRM_ERROR("failed!\n");
 890         radeon_status(dev_priv);
 891 #endif
 892         return -EBUSY;
 893 }
 894
 895 static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
 896 {
 897         int i;
 898
 899         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 900
 901         for (i = 0; i < dev_priv->usec_timeout; i++) {
 902                 int slots = (RADEON_READ(RADEON_RBBM_STATUS)
 903                              & RADEON_RBBM_FIFOCNT_MASK);
 904                 if (slots >= entries)
 905                         return 0;
 906                 DRM_UDELAY(1);
 907         }
 908
 909 #if RADEON_FIFO_DEBUG
 910         DRM_ERROR("failed!\n");
 911         radeon_status(dev_priv);
 912 #endif
 913         return -EBUSY;
 914 }
 915
 916 static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
 917 {
 918         int i, ret;
 919
 920         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 921
 922         ret = radeon_do_wait_for_fifo(dev_priv, 64);
 923         if (ret)
 924                 return ret;
 925
 926         for (i = 0; i < dev_priv->usec_timeout; i++) {
 927                 if (!(RADEON_READ(RADEON_RBBM_STATUS)
 928                       & RADEON_RBBM_ACTIVE)) {
 929                         radeon_do_pixcache_flush(dev_priv);
 930                         return 0;
 931                 }
 932                 DRM_UDELAY(1);
 933         }
 934
 935 #if RADEON_FIFO_DEBUG
 936         DRM_ERROR("failed!\n");
 937         radeon_status(dev_priv);
 938 #endif
 939         return -EBUSY;
 940 }
 941
 942 /* ================================================================
 943  * CP control, initialization
 944  */
 945
 946 /* Load the microcode for the CP */
 947 static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
 948 {
 949         int i;
 950         DRM_DEBUG("\n");
 951
 952         radeon_do_wait_for_idle(dev_priv);
 953
 954         RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
 955
 956         if (dev_priv->microcode_version == UCODE_R200) {
 957                 DRM_INFO("Loading R200 Microcode\n");
 958                 for (i = 0; i < 256; i++) {
 959                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 960                                      R200_cp_microcode[i][1]);
 961                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 962                                      R200_cp_microcode[i][0]);
 963                 }
 964         } else if (dev_priv->microcode_version == UCODE_R300) {
 965                 DRM_INFO("Loading R300 Microcode\n");
 966                 for (i = 0; i < 256; i++) {
 967                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 968                                      R300_cp_microcode[i][1]);
 969                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 970                                      R300_cp_microcode[i][0]);
 971                 }
 972         } else {
 973                 for (i = 0; i < 256; i++) {
 974                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 975                                      radeon_cp_microcode[i][1]);
 976                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 977                                      radeon_cp_microcode[i][0]);
 978                 }
 979         }
 980 }
 981
 982 /* Flush any pending commands to the CP.  This should only be used just
 983  * prior to a wait for idle, as it informs the engine that the command
 984  * stream is ending.
 985  */
 986 static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
 987 {
 988         DRM_DEBUG("\n");
 989 #if 0
 990         u32 tmp;
 991
 992         tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
 993         RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
 994 #endif
 995 }
 996
 997 /* Wait for the CP to go idle.
 998  */
 999 int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
1000 {
1001         RING_LOCALS;
1002         DRM_DEBUG("\n");
1003
1004         BEGIN_RING(6);
1005
1006         RADEON_PURGE_CACHE();
1007         RADEON_PURGE_ZCACHE();
1008         RADEON_WAIT_UNTIL_IDLE();
1009
1010         ADVANCE_RING();
1011         COMMIT_RING();
1012
1013         return radeon_do_wait_for_idle(dev_priv);
1014 }
1015
1016 /* Start the Command Processor.
1017  */
1018 static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
1019 {
1020         RING_LOCALS;
1021         DRM_DEBUG("\n");
1022
1023         radeon_do_wait_for_idle(dev_priv);
1024
1025         RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
1026
1027         dev_priv->cp_running = 1;
1028
1029         BEGIN_RING(6);
1030
1031         RADEON_PURGE_CACHE();
1032         RADEON_PURGE_ZCACHE();
1033         RADEON_WAIT_UNTIL_IDLE();
1034
1035         ADVANCE_RING();
1036         COMMIT_RING();
1037 }
1038
1039 /* Reset the Command Processor.  This will not flush any pending
1040  * commands, so you must wait for the CP command stream to complete
1041  * before calling this routine.
1042  */
1043 static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
1044 {
1045         u32 cur_read_ptr;
1046         DRM_DEBUG("\n");
1047
1048         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1049         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1050         SET_RING_HEAD(dev_priv, cur_read_ptr);
1051         dev_priv->ring.tail = cur_read_ptr;
1052 }
1053
1054 /* Stop the Command Processor.  This will not flush any pending
1055  * commands, so you must flush the command stream and wait for the CP
1056  * to go idle before calling this routine.
1057  */
1058 static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
1059 {
1060         DRM_DEBUG("\n");
1061
1062         RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
1063
1064         dev_priv->cp_running = 0;
1065 }
1066
1067 /* Reset the engine.  This will stop the CP if it is running.
1068  */
1069 static int radeon_do_engine_reset(struct drm_device * dev)
1070 {
1071         drm_radeon_private_t *dev_priv = dev->dev_private;
1072         u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
1073         DRM_DEBUG("\n");
1074
1075         radeon_do_pixcache_flush(dev_priv);
1076
1077         clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
1078         mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
1079
1080         RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
1081                                             RADEON_FORCEON_MCLKA |
1082                                             RADEON_FORCEON_MCLKB |
1083                                             RADEON_FORCEON_YCLKA |
1084                                             RADEON_FORCEON_YCLKB |
1085                                             RADEON_FORCEON_MC |
1086                                             RADEON_FORCEON_AIC));
1087
1088         rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
1089
1090         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
1091                                               RADEON_SOFT_RESET_CP |
1092                                               RADEON_SOFT_RESET_HI |
1093                                               RADEON_SOFT_RESET_SE |
1094                                               RADEON_SOFT_RESET_RE |
1095                                               RADEON_SOFT_RESET_PP |
1096                                               RADEON_SOFT_RESET_E2 |
1097                                               RADEON_SOFT_RESET_RB));
1098         RADEON_READ(RADEON_RBBM_SOFT_RESET);
1099         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
1100                                               ~(RADEON_SOFT_RESET_CP |
1101                                                 RADEON_SOFT_RESET_HI |
1102                                                 RADEON_SOFT_RESET_SE |
1103                                                 RADEON_SOFT_RESET_RE |
1104                                                 RADEON_SOFT_RESET_PP |
1105                                                 RADEON_SOFT_RESET_E2 |
1106                                                 RADEON_SOFT_RESET_RB)));
1107         RADEON_READ(RADEON_RBBM_SOFT_RESET);
1108
1109         RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
1110         RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
1111         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
1112
1113         /* Reset the CP ring */
1114         radeon_do_cp_reset(dev_priv);
1115
1116         /* The CP is no longer running after an engine reset */
1117         dev_priv->cp_running = 0;
1118
1119         /* Reset any pending vertex, indirect buffers */
1120         radeon_freelist_reset(dev);
1121
1122         return 0;
1123 }
1124
1125 static void radeon_cp_init_ring_buffer(struct drm_device * dev,
1126                                        drm_radeon_private_t * dev_priv)
1127 {
1128         u32 ring_start, cur_read_ptr;
1129         u32 tmp;
1130
1131         /* Initialize the memory controller. With new memory map, the fb location
1132          * is not changed, it should have been properly initialized already. Part
1133          * of the problem is that the code below is bogus, assuming the GART is
1134          * always appended to the fb which is not necessarily the case
1135          */
1136         if (!dev_priv->new_memmap)
1137                 RADEON_WRITE(RADEON_MC_FB_LOCATION,
1138                              ((dev_priv->gart_vm_start - 1) & 0xffff0000)
1139                              | (dev_priv->fb_location >> 16));
1140
1141 #if __OS_HAS_AGP
1142         if (dev_priv->flags & RADEON_IS_AGP) {
1143                 RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
1144                 RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1145                              (((dev_priv->gart_vm_start - 1 +
1146                                 dev_priv->gart_size) & 0xffff0000) |
1147                               (dev_priv->gart_vm_start >> 16)));
1148
1149                 ring_start = (dev_priv->cp_ring->offset
1150                               - dev->agp->base
1151                               + dev_priv->gart_vm_start);
1152         } else
1153 #endif
1154                 ring_start = (dev_priv->cp_ring->offset
1155                               - (unsigned long)dev->sg->virtual
1156                               + dev_priv->gart_vm_start);
1157
1158         RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
1159
1160         /* Set the write pointer delay */
1161         RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
1162
1163         /* Initialize the ring buffer's read and write pointers */
1164         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1165         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1166         SET_RING_HEAD(dev_priv, cur_read_ptr);
1167         dev_priv->ring.tail = cur_read_ptr;
1168
1169 #if __OS_HAS_AGP
1170         if (dev_priv->flags & RADEON_IS_AGP) {
1171                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
1172                              dev_priv->ring_rptr->offset
1173                              - dev->agp->base + dev_priv->gart_vm_start);
1174         } else
1175 #endif
1176         {
1177                 struct drm_sg_mem *entry = dev->sg;
1178                 unsigned long tmp_ofs, page_ofs;
1179
1180                 tmp_ofs = dev_priv->ring_rptr->offset -
1181                                 (unsigned long)dev->sg->virtual;
1182                 page_ofs = tmp_ofs >> PAGE_SHIFT;
1183
1184                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
1185                 DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
1186                           (unsigned long)entry->busaddr[page_ofs],
1187                           entry->handle + tmp_ofs);
1188         }
1189
1190         /* Set ring buffer size */
1191 #ifdef __BIG_ENDIAN
1192         RADEON_WRITE(RADEON_CP_RB_CNTL,
1193                      dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
1194 #else
1195         RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
1196 #endif
1197
1198         /* Start with assuming that writeback doesn't work */
1199         dev_priv->writeback_works = 0;
1200
1201         /* Initialize the scratch register pointer.  This will cause
1202          * the scratch register values to be written out to memory
1203          * whenever they are updated.
1204          *
1205          * We simply put this behind the ring read pointer, this works
1206          * with PCI GART as well as (whatever kind of) AGP GART
1207          */
1208         RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
1209                      + RADEON_SCRATCH_REG_OFFSET);
1210
1211         dev_priv->scratch = ((__volatile__ u32 *)
1212                              dev_priv->ring_rptr->handle +
1213                              (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
1214
1215         RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
1216
1217         /* Turn on bus mastering */
1218         tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
1219         RADEON_WRITE(RADEON_BUS_CNTL, tmp);
1220
1221         dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1222         RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
1223
1224         dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1225         RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
1226                      dev_priv->sarea_priv->last_dispatch);
1227
1228         dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1229         RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
1230
1231         radeon_do_wait_for_idle(dev_priv);
1232
1233         /* Sync everything up */
1234         RADEON_WRITE(RADEON_ISYNC_CNTL,
1235                      (RADEON_ISYNC_ANY2D_IDLE3D |
1236                       RADEON_ISYNC_ANY3D_IDLE2D |
1237                       RADEON_ISYNC_WAIT_IDLEGUI |
1238                       RADEON_ISYNC_CPSCRATCH_IDLEGUI));
1239
1240 }
1241
1242 static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
1243 {
1244         u32 tmp;
1245
1246         /* Writeback doesn't seem to work everywhere, test it here and possibly
1247          * enable it if it appears to work
1248          */
1249         DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
1250         RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
1251
1252         for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
1253                 if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
1254                     0xdeadbeef)
1255                         break;
1256                 DRM_UDELAY(1);
1257         }
1258
1259         if (tmp < dev_priv->usec_timeout) {
1260                 dev_priv->writeback_works = 1;
1261                 DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
1262         } else {
1263                 dev_priv->writeback_works = 0;
1264                 DRM_INFO("writeback test failed\n");
1265         }
1266         if (radeon_no_wb == 1) {
1267                 dev_priv->writeback_works = 0;
1268                 DRM_INFO("writeback forced off\n");
1269         }
1270
1271         if (!dev_priv->writeback_works) {
1272                 /* Disable writeback to avoid unnecessary bus master transfer */
1273                 RADEON_WRITE(RADEON_CP_RB_CNTL, RADEON_READ(RADEON_CP_RB_CNTL) |
1274                              RADEON_RB_NO_UPDATE);
1275                 RADEON_WRITE(RADEON_SCRATCH_UMSK, 0);
1276         }
1277 }
1278
1279 /* Enable or disable IGP GART on the chip */
1280 static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
1281 {
1282         u32 temp, tmp;
1283
1284         tmp = RADEON_READ(RADEON_AIC_CNTL);
1285         if (on) {
1286                 DRM_DEBUG("programming igpgart %08X %08lX %08X\n",
1287                          dev_priv->gart_vm_start,
1288                          (long)dev_priv->gart_info.bus_addr,
1289                          dev_priv->gart_size);
1290
1291                 RADEON_WRITE_IGPGART(RADEON_IGPGART_UNK_18, 0x1000);
1292                 RADEON_WRITE_IGPGART(RADEON_IGPGART_ENABLE, 0x1);
1293                 RADEON_WRITE_IGPGART(RADEON_IGPGART_CTRL, 0x42040800);
1294                 RADEON_WRITE_IGPGART(RADEON_IGPGART_BASE_ADDR,
1295                                      dev_priv->gart_info.bus_addr);
1296
1297                 temp = RADEON_READ_IGPGART(dev_priv, RADEON_IGPGART_UNK_39);
1298                 RADEON_WRITE_IGPGART(RADEON_IGPGART_UNK_39, temp);
1299
1300                 RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev_priv->gart_vm_start);
1301                 dev_priv->gart_size = 32*1024*1024;
1302                 RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1303                              (((dev_priv->gart_vm_start - 1 +
1304                                dev_priv->gart_size) & 0xffff0000) |
1305                              (dev_priv->gart_vm_start >> 16)));
1306
1307                 temp = RADEON_READ_IGPGART(dev_priv, RADEON_IGPGART_ENABLE);
1308                 RADEON_WRITE_IGPGART(RADEON_IGPGART_ENABLE, temp);
1309
1310                 RADEON_READ_IGPGART(dev_priv, RADEON_IGPGART_FLUSH);
1311                 RADEON_WRITE_IGPGART(RADEON_IGPGART_FLUSH, 0x1);
1312                 RADEON_READ_IGPGART(dev_priv, RADEON_IGPGART_FLUSH);
1313                 RADEON_WRITE_IGPGART(RADEON_IGPGART_FLUSH, 0x0);
1314        }
1315 }
1316
1317 static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
1318 {
1319         u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
1320         if (on) {
1321
1322                 DRM_DEBUG("programming pcie %08X %08lX %08X\n",
1323                           dev_priv->gart_vm_start,
1324                           (long)dev_priv->gart_info.bus_addr,
1325                           dev_priv->gart_size);
1326                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
1327                                   dev_priv->gart_vm_start);
1328                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
1329                                   dev_priv->gart_info.bus_addr);
1330                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
1331                                   dev_priv->gart_vm_start);
1332                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
1333                                   dev_priv->gart_vm_start +
1334                                   dev_priv->gart_size - 1);
1335
1336                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1337
1338                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1339                                   RADEON_PCIE_TX_GART_EN);
1340         } else {
1341                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1342                                   tmp & ~RADEON_PCIE_TX_GART_EN);
1343         }
1344 }
1345
1346 /* Enable or disable PCI GART on the chip */
1347 static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
1348 {
1349         u32 tmp;
1350
1351         if (dev_priv->flags & RADEON_IS_IGPGART) {
1352                 radeon_set_igpgart(dev_priv, on);
1353                 return;
1354         }
1355
1356         if (dev_priv->flags & RADEON_IS_PCIE) {
1357                 radeon_set_pciegart(dev_priv, on);
1358                 return;
1359         }
1360
1361         tmp = RADEON_READ(RADEON_AIC_CNTL);
1362
1363         if (on) {
1364                 RADEON_WRITE(RADEON_AIC_CNTL,
1365                              tmp | RADEON_PCIGART_TRANSLATE_EN);
1366
1367                 /* set PCI GART page-table base address
1368                  */
1369                 RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
1370
1371                 /* set address range for PCI address translate
1372                  */
1373                 RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1374                 RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1375                              + dev_priv->gart_size - 1);
1376
1377                 /* Turn off AGP aperture -- is this required for PCI GART?
1378                  */
1379                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1380                 RADEON_WRITE(RADEON_AGP_COMMAND, 0);    /* clear AGP_COMMAND */
1381         } else {
1382                 RADEON_WRITE(RADEON_AIC_CNTL,
1383                              tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1384         }
1385 }
1386
1387 static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
1388 {
1389         drm_radeon_private_t *dev_priv = dev->dev_private;
1390
1391         DRM_DEBUG("\n");
1392
1393         /* if we require new memory map but we don't have it fail */
1394         if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1395                 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1396                 radeon_do_cleanup_cp(dev);
1397                 return -EINVAL;
1398         }
1399
1400         if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
1401                 DRM_DEBUG("Forcing AGP card to PCI mode\n");
1402                 dev_priv->flags &= ~RADEON_IS_AGP;
1403         } else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
1404                    && !init->is_pci) {
1405                 DRM_DEBUG("Restoring AGP flag\n");
1406                 dev_priv->flags |= RADEON_IS_AGP;
1407         }
1408
1409         if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
1410                 DRM_ERROR("PCI GART memory not allocated!\n");
1411                 radeon_do_cleanup_cp(dev);
1412                 return -EINVAL;
1413         }
1414
1415         dev_priv->usec_timeout = init->usec_timeout;
1416         if (dev_priv->usec_timeout < 1 ||
1417             dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1418                 DRM_DEBUG("TIMEOUT problem!\n");
1419                 radeon_do_cleanup_cp(dev);
1420                 return -EINVAL;
1421         }
1422
1423         /* Enable vblank on CRTC1 for older X servers
1424          */
1425         dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
1426
1427         switch(init->func) {
1428         case RADEON_INIT_R200_CP:
1429                 dev_priv->microcode_version = UCODE_R200;
1430                 break;
1431         case RADEON_INIT_R300_CP:
1432                 dev_priv->microcode_version = UCODE_R300;
1433                 break;
1434         default:
1435                 dev_priv->microcode_version = UCODE_R100;
1436         }
1437
1438         dev_priv->do_boxes = 0;
1439         dev_priv->cp_mode = init->cp_mode;
1440
1441         /* We don't support anything other than bus-mastering ring mode,
1442          * but the ring can be in either AGP or PCI space for the ring
1443          * read pointer.
1444          */
1445         if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1446             (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1447                 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1448                 radeon_do_cleanup_cp(dev);
1449                 return -EINVAL;
1450         }
1451
1452         switch (init->fb_bpp) {
1453         case 16:
1454                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1455                 break;
1456         case 32:
1457         default:
1458                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1459                 break;
1460         }
1461         dev_priv->front_offset = init->front_offset;
1462         dev_priv->front_pitch = init->front_pitch;
1463         dev_priv->back_offset = init->back_offset;
1464         dev_priv->back_pitch = init->back_pitch;
1465
1466         switch (init->depth_bpp) {
1467         case 16:
1468                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1469                 break;
1470         case 32:
1471         default:
1472                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1473                 break;
1474         }
1475         dev_priv->depth_offset = init->depth_offset;
1476         dev_priv->depth_pitch = init->depth_pitch;
1477
1478         /* Hardware state for depth clears.  Remove this if/when we no
1479          * longer clear the depth buffer with a 3D rectangle.  Hard-code
1480          * all values to prevent unwanted 3D state from slipping through
1481          * and screwing with the clear operation.
1482          */
1483         dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1484                                            (dev_priv->color_fmt << 10) |
1485                                            (dev_priv->microcode_version ==
1486                                             UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1487
1488         dev_priv->depth_clear.rb3d_zstencilcntl =
1489             (dev_priv->depth_fmt |
1490              RADEON_Z_TEST_ALWAYS |
1491              RADEON_STENCIL_TEST_ALWAYS |
1492              RADEON_STENCIL_S_FAIL_REPLACE |
1493              RADEON_STENCIL_ZPASS_REPLACE |
1494              RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1495
1496         dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1497                                          RADEON_BFACE_SOLID |
1498                                          RADEON_FFACE_SOLID |
1499                                          RADEON_FLAT_SHADE_VTX_LAST |
1500                                          RADEON_DIFFUSE_SHADE_FLAT |
1501                                          RADEON_ALPHA_SHADE_FLAT |
1502                                          RADEON_SPECULAR_SHADE_FLAT |
1503                                          RADEON_FOG_SHADE_FLAT |
1504                                          RADEON_VTX_PIX_CENTER_OGL |
1505                                          RADEON_ROUND_MODE_TRUNC |
1506                                          RADEON_ROUND_PREC_8TH_PIX);
1507
1508
1509         dev_priv->ring_offset = init->ring_offset;
1510         dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1511         dev_priv->buffers_offset = init->buffers_offset;
1512         dev_priv->gart_textures_offset = init->gart_textures_offset;
1513
1514         dev_priv->sarea = drm_getsarea(dev);
1515         if (!dev_priv->sarea) {
1516                 DRM_ERROR("could not find sarea!\n");
1517                 radeon_do_cleanup_cp(dev);
1518                 return -EINVAL;
1519         }
1520
1521         dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1522         if (!dev_priv->cp_ring) {
1523                 DRM_ERROR("could not find cp ring region!\n");
1524                 radeon_do_cleanup_cp(dev);
1525                 return -EINVAL;
1526         }
1527         dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1528         if (!dev_priv->ring_rptr) {
1529                 DRM_ERROR("could not find ring read pointer!\n");
1530                 radeon_do_cleanup_cp(dev);
1531                 return -EINVAL;
1532         }
1533         dev->agp_buffer_token = init->buffers_offset;
1534         dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1535         if (!dev->agp_buffer_map) {
1536                 DRM_ERROR("could not find dma buffer region!\n");
1537                 radeon_do_cleanup_cp(dev);
1538                 return -EINVAL;
1539         }
1540
1541         if (init->gart_textures_offset) {
1542                 dev_priv->gart_textures =
1543                     drm_core_findmap(dev, init->gart_textures_offset);
1544                 if (!dev_priv->gart_textures) {
1545                         DRM_ERROR("could not find GART texture region!\n");
1546                         radeon_do_cleanup_cp(dev);
1547                         return -EINVAL;
1548                 }
1549         }
1550
1551         dev_priv->sarea_priv =
1552             (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
1553                                     init->sarea_priv_offset);
1554
1555 #if __OS_HAS_AGP
1556         if (dev_priv->flags & RADEON_IS_AGP) {
1557                 drm_core_ioremap(dev_priv->cp_ring, dev);
1558                 drm_core_ioremap(dev_priv->ring_rptr, dev);
1559                 drm_core_ioremap(dev->agp_buffer_map, dev);
1560                 if (!dev_priv->cp_ring->handle ||
1561                     !dev_priv->ring_rptr->handle ||
1562                     !dev->agp_buffer_map->handle) {
1563                         DRM_ERROR("could not find ioremap agp regions!\n");
1564                         radeon_do_cleanup_cp(dev);
1565                         return -EINVAL;
1566                 }
1567         } else
1568 #endif
1569         {
1570                 dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
1571                 dev_priv->ring_rptr->handle =
1572                     (void *)dev_priv->ring_rptr->offset;
1573                 dev->agp_buffer_map->handle =
1574                     (void *)dev->agp_buffer_map->offset;
1575
1576                 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1577                           dev_priv->cp_ring->handle);
1578                 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1579                           dev_priv->ring_rptr->handle);
1580                 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1581                           dev->agp_buffer_map->handle);
1582         }
1583
1584         dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION)
1585                                  & 0xffff) << 16;
1586         dev_priv->fb_size =
1587                 ((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000)
1588                 - dev_priv->fb_location;
1589
1590         dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1591                                         ((dev_priv->front_offset
1592                                           + dev_priv->fb_location) >> 10));
1593
1594         dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1595                                        ((dev_priv->back_offset
1596                                          + dev_priv->fb_location) >> 10));
1597
1598         dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1599                                         ((dev_priv->depth_offset
1600                                           + dev_priv->fb_location) >> 10));
1601
1602         dev_priv->gart_size = init->gart_size;
1603
1604         /* New let's set the memory map ... */
1605         if (dev_priv->new_memmap) {
1606                 u32 base = 0;
1607
1608                 DRM_INFO("Setting GART location based on new memory map\n");
1609
1610                 /* If using AGP, try to locate the AGP aperture at the same
1611                  * location in the card and on the bus, though we have to
1612                  * align it down.
1613                  */
1614 #if __OS_HAS_AGP
1615                 if (dev_priv->flags & RADEON_IS_AGP) {
1616                         base = dev->agp->base;
1617                         /* Check if valid */
1618                         if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
1619                             base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
1620                                 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
1621                                          dev->agp->base);
1622                                 base = 0;
1623                         }
1624                 }
1625 #endif
1626                 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1627                 if (base == 0) {
1628                         base = dev_priv->fb_location + dev_priv->fb_size;
1629                         if (base < dev_priv->fb_location ||
1630                             ((base + dev_priv->gart_size) & 0xfffffffful) < base)
1631                                 base = dev_priv->fb_location
1632                                         - dev_priv->gart_size;
1633                 }
1634                 dev_priv->gart_vm_start = base & 0xffc00000u;
1635                 if (dev_priv->gart_vm_start != base)
1636                         DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
1637                                  base, dev_priv->gart_vm_start);
1638         } else {
1639                 DRM_INFO("Setting GART location based on old memory map\n");
1640                 dev_priv->gart_vm_start = dev_priv->fb_location +
1641                         RADEON_READ(RADEON_CONFIG_APER_SIZE);
1642         }
1643
1644 #if __OS_HAS_AGP
1645         if (dev_priv->flags & RADEON_IS_AGP)
1646                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1647                                                  - dev->agp->base
1648                                                  + dev_priv->gart_vm_start);
1649         else
1650 #endif
1651                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1652                                         - (unsigned long)dev->sg->virtual
1653                                         + dev_priv->gart_vm_start);
1654
1655         DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1656         DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1657         DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1658                   dev_priv->gart_buffers_offset);
1659
1660         dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1661         dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
1662                               + init->ring_size / sizeof(u32));
1663         dev_priv->ring.size = init->ring_size;
1664         dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1665
1666         dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
1667
1668         dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1669
1670 #if __OS_HAS_AGP
1671         if (dev_priv->flags & RADEON_IS_AGP) {
1672                 /* Turn off PCI GART */
1673                 radeon_set_pcigart(dev_priv, 0);
1674         } else
1675 #endif
1676         {
1677                 /* if we have an offset set from userspace */
1678                 if (dev_priv->pcigart_offset_set) {
1679                         dev_priv->gart_info.bus_addr =
1680                             dev_priv->pcigart_offset + dev_priv->fb_location;
1681                         dev_priv->gart_info.mapping.offset =
1682                             dev_priv->gart_info.bus_addr;
1683                         dev_priv->gart_info.mapping.size =
1684                             dev_priv->gart_info.table_size;
1685
1686                         drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
1687                         dev_priv->gart_info.addr =
1688                             dev_priv->gart_info.mapping.handle;
1689
1690                         if (dev_priv->flags & RADEON_IS_PCIE)
1691                                 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCIE;
1692                         else
1693                                 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
1694                         dev_priv->gart_info.gart_table_location =
1695                             DRM_ATI_GART_FB;
1696
1697                         DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
1698                                   dev_priv->gart_info.addr,
1699                                   dev_priv->pcigart_offset);
1700                 } else {
1701                         if (dev_priv->flags & RADEON_IS_IGPGART)
1702                                 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_IGP;
1703                         else
1704                                 dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
1705                         dev_priv->gart_info.gart_table_location =
1706                             DRM_ATI_GART_MAIN;
1707                         dev_priv->gart_info.addr = NULL;
1708                         dev_priv->gart_info.bus_addr = 0;
1709                         if (dev_priv->flags & RADEON_IS_PCIE) {
1710                                 DRM_ERROR
1711                                     ("Cannot use PCI Express without GART in FB memory\n");
1712                                 radeon_do_cleanup_cp(dev);
1713                                 return -EINVAL;
1714                         }
1715                 }
1716
1717                 if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
1718                         DRM_ERROR("failed to init PCI GART!\n");
1719                         radeon_do_cleanup_cp(dev);
1720                         return -ENOMEM;
1721                 }
1722
1723                 /* Turn on PCI GART */
1724                 radeon_set_pcigart(dev_priv, 1);
1725         }
1726
1727         radeon_cp_load_microcode(dev_priv);
1728         radeon_cp_init_ring_buffer(dev, dev_priv);
1729
1730         dev_priv->last_buf = 0;
1731
1732         radeon_do_engine_reset(dev);
1733         radeon_test_writeback(dev_priv);
1734
1735         return 0;
1736 }
1737
1738 static int radeon_do_cleanup_cp(struct drm_device * dev)
1739 {
1740         drm_radeon_private_t *dev_priv = dev->dev_private;
1741         DRM_DEBUG("\n");
1742
1743         /* Make sure interrupts are disabled here because the uninstall ioctl
1744          * may not have been called from userspace and after dev_private
1745          * is freed, it's too late.
1746          */
1747         if (dev->irq_enabled)
1748                 drm_irq_uninstall(dev);
1749
1750 #if __OS_HAS_AGP
1751         if (dev_priv->flags & RADEON_IS_AGP) {
1752                 if (dev_priv->cp_ring != NULL) {
1753                         drm_core_ioremapfree(dev_priv->cp_ring, dev);
1754                         dev_priv->cp_ring = NULL;
1755                 }
1756                 if (dev_priv->ring_rptr != NULL) {
1757                         drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1758                         dev_priv->ring_rptr = NULL;
1759                 }
1760                 if (dev->agp_buffer_map != NULL) {
1761                         drm_core_ioremapfree(dev->agp_buffer_map, dev);
1762                         dev->agp_buffer_map = NULL;
1763                 }
1764         } else
1765 #endif
1766         {
1767
1768                 if (dev_priv->gart_info.bus_addr) {
1769                         /* Turn off PCI GART */
1770                         radeon_set_pcigart(dev_priv, 0);
1771                         if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
1772                                 DRM_ERROR("failed to cleanup PCI GART!\n");
1773                 }
1774
1775                 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
1776                 {
1777                         drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1778                         dev_priv->gart_info.addr = 0;
1779                 }
1780         }
1781         /* only clear to the start of flags */
1782         memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1783
1784         return 0;
1785 }
1786
1787 /* This code will reinit the Radeon CP hardware after a resume from disc.
1788  * AFAIK, it would be very difficult to pickle the state at suspend time, so
1789  * here we make sure that all Radeon hardware initialisation is re-done without
1790  * affecting running applications.
1791  *
1792  * Charl P. Botha <http://cpbotha.net>
1793  */
1794 static int radeon_do_resume_cp(struct drm_device * dev)
1795 {
1796         drm_radeon_private_t *dev_priv = dev->dev_private;
1797
1798         if (!dev_priv) {
1799                 DRM_ERROR("Called with no initialization\n");
1800                 return -EINVAL;
1801         }
1802
1803         DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1804
1805 #if __OS_HAS_AGP
1806         if (dev_priv->flags & RADEON_IS_AGP) {
1807                 /* Turn off PCI GART */
1808                 radeon_set_pcigart(dev_priv, 0);
1809         } else
1810 #endif
1811         {
1812                 /* Turn on PCI GART */
1813                 radeon_set_pcigart(dev_priv, 1);
1814         }
1815
1816         radeon_cp_load_microcode(dev_priv);
1817         radeon_cp_init_ring_buffer(dev, dev_priv);
1818
1819         radeon_do_engine_reset(dev);
1820
1821         DRM_DEBUG("radeon_do_resume_cp() complete\n");
1822
1823         return 0;
1824 }
1825
1826 int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
1827 {
1828         drm_radeon_init_t *init = data;
1829
1830         LOCK_TEST_WITH_RETURN(dev, file_priv);
1831
1832         if (init->func == RADEON_INIT_R300_CP)
1833                 r300_init_reg_flags();
1834
1835         switch (init->func) {
1836         case RADEON_INIT_CP:
1837         case RADEON_INIT_R200_CP:
1838         case RADEON_INIT_R300_CP:
1839                 return radeon_do_init_cp(dev, init);
1840         case RADEON_CLEANUP_CP:
1841                 return radeon_do_cleanup_cp(dev);
1842         }
1843
1844         return -EINVAL;
1845 }
1846
1847 int radeon_cp_start(struct drm_device *dev, void *data, struct drm_file *file_priv)
1848 {
1849         drm_radeon_private_t *dev_priv = dev->dev_private;
1850         DRM_DEBUG("\n");
1851
1852         LOCK_TEST_WITH_RETURN(dev, file_priv);
1853
1854         if (dev_priv->cp_running) {
1855                 DRM_DEBUG("%s while CP running\n", __FUNCTION__);
1856                 return 0;
1857         }
1858         if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1859                 DRM_DEBUG("%s called with bogus CP mode (%d)\n",
1860                           __FUNCTION__, dev_priv->cp_mode);
1861                 return 0;
1862         }
1863
1864         radeon_do_cp_start(dev_priv);
1865
1866         return 0;
1867 }
1868
1869 /* Stop the CP.  The engine must have been idled before calling this
1870  * routine.
1871  */
1872 int radeon_cp_stop(struct drm_device *dev, void *data, struct drm_file *file_priv)
1873 {
1874         drm_radeon_private_t *dev_priv = dev->dev_private;
1875         drm_radeon_cp_stop_t *stop = data;
1876         int ret;
1877         DRM_DEBUG("\n");
1878
1879         LOCK_TEST_WITH_RETURN(dev, file_priv);
1880
1881         if (!dev_priv->cp_running)
1882                 return 0;
1883
1884         /* Flush any pending CP commands.  This ensures any outstanding
1885          * commands are exectuted by the engine before we turn it off.
1886          */
1887         if (stop->flush) {
1888                 radeon_do_cp_flush(dev_priv);
1889         }
1890
1891         /* If we fail to make the engine go idle, we return an error
1892          * code so that the DRM ioctl wrapper can try again.
1893          */
1894         if (stop->idle) {
1895                 ret = radeon_do_cp_idle(dev_priv);
1896                 if (ret)
1897                         return ret;
1898         }
1899
1900         /* Finally, we can turn off the CP.  If the engine isn't idle,
1901          * we will get some dropped triangles as they won't be fully
1902          * rendered before the CP is shut down.
1903          */
1904         radeon_do_cp_stop(dev_priv);
1905
1906         /* Reset the engine */
1907         radeon_do_engine_reset(dev);
1908
1909         return 0;
1910 }
1911
1912 void radeon_do_release(struct drm_device * dev)
1913 {
1914         drm_radeon_private_t *dev_priv = dev->dev_private;
1915         int i, ret;
1916
1917         if (dev_priv) {
1918                 if (dev_priv->cp_running) {
1919                         /* Stop the cp */
1920                         while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1921                                 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1922 #ifdef __linux__
1923                                 schedule();
1924 #else
1925                                 tsleep(&ret, PZERO, "rdnrel", 1);
1926 #endif
1927                         }
1928                         radeon_do_cp_stop(dev_priv);
1929                         radeon_do_engine_reset(dev);
1930                 }
1931
1932                 /* Disable *all* interrupts */
1933                 if (dev_priv->mmio)     /* remove this after permanent addmaps */
1934                         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1935
1936                 if (dev_priv->mmio) {   /* remove all surfaces */
1937                         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1938                                 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
1939                                 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
1940                                              16 * i, 0);
1941                                 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
1942                                              16 * i, 0);
1943                         }
1944                 }
1945
1946                 /* Free memory heap structures */
1947                 radeon_mem_takedown(&(dev_priv->gart_heap));
1948                 radeon_mem_takedown(&(dev_priv->fb_heap));
1949
1950                 /* deallocate kernel resources */
1951                 radeon_do_cleanup_cp(dev);
1952         }
1953 }
1954
1955 /* Just reset the CP ring.  Called as part of an X Server engine reset.
1956  */
1957 int radeon_cp_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
1958 {
1959         drm_radeon_private_t *dev_priv = dev->dev_private;
1960         DRM_DEBUG("\n");
1961
1962         LOCK_TEST_WITH_RETURN(dev, file_priv);
1963
1964         if (!dev_priv) {
1965                 DRM_DEBUG("%s called before init done\n", __FUNCTION__);
1966                 return -EINVAL;
1967         }
1968
1969         radeon_do_cp_reset(dev_priv);
1970
1971         /* The CP is no longer running after an engine reset */
1972         dev_priv->cp_running = 0;
1973
1974         return 0;
1975 }
1976
1977 int radeon_cp_idle(struct drm_device *dev, void *data, struct drm_file *file_priv)
1978 {
1979         drm_radeon_private_t *dev_priv = dev->dev_private;
1980         DRM_DEBUG("\n");
1981
1982         LOCK_TEST_WITH_RETURN(dev, file_priv);
1983
1984         return radeon_do_cp_idle(dev_priv);
1985 }
1986
1987 /* Added by Charl P. Botha to call radeon_do_resume_cp().
1988  */
1989 int radeon_cp_resume(struct drm_device *dev, void *data, struct drm_file *file_priv)
1990 {
1991
1992         return radeon_do_resume_cp(dev);
1993 }
1994
1995 int radeon_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
1996 {
1997         DRM_DEBUG("\n");
1998
1999         LOCK_TEST_WITH_RETURN(dev, file_priv);
2000
2001         return radeon_do_engine_reset(dev);
2002 }
2003
2004 /* ================================================================
2005  * Fullscreen mode
2006  */
2007
2008 /* KW: Deprecated to say the least:
2009  */
2010 int radeon_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv)
2011 {
2012         return 0;
2013 }
2014
2015 /* ================================================================
2016  * Freelist management
2017  */
2018
2019 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
2020  *   bufs until freelist code is used.  Note this hides a problem with
2021  *   the scratch register * (used to keep track of last buffer
2022  *   completed) being written to before * the last buffer has actually
2023  *   completed rendering.
2024  *
2025  * KW:  It's also a good way to find free buffers quickly.
2026  *
2027  * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
2028  * sleep.  However, bugs in older versions of radeon_accel.c mean that
2029  * we essentially have to do this, else old clients will break.
2030  *
2031  * However, it does leave open a potential deadlock where all the
2032  * buffers are held by other clients, which can't release them because
2033  * they can't get the lock.
2034  */
2035
2036 struct drm_buf *radeon_freelist_get(struct drm_device * dev)
2037 {
2038         struct drm_device_dma *dma = dev->dma;
2039         drm_radeon_private_t *dev_priv = dev->dev_private;
2040         drm_radeon_buf_priv_t *buf_priv;
2041         struct drm_buf *buf;
2042         int i, t;
2043         int start;
2044
2045         if (++dev_priv->last_buf >= dma->buf_count)
2046                 dev_priv->last_buf = 0;
2047
2048         start = dev_priv->last_buf;
2049
2050         for (t = 0; t < dev_priv->usec_timeout; t++) {
2051                 u32 done_age = GET_SCRATCH(1);
2052                 DRM_DEBUG("done_age = %d\n", done_age);
2053                 for (i = start; i < dma->buf_count; i++) {
2054                         buf = dma->buflist[i];
2055                         buf_priv = buf->dev_private;
2056                         if (buf->file_priv == NULL || (buf->pending &&
2057                                                        buf_priv->age <=
2058                                                        done_age)) {
2059                                 dev_priv->stats.requested_bufs++;
2060                                 buf->pending = 0;
2061                                 return buf;
2062                         }
2063                         start = 0;
2064                 }
2065
2066                 if (t) {
2067                         DRM_UDELAY(1);
2068                         dev_priv->stats.freelist_loops++;
2069                 }
2070         }
2071
2072         DRM_DEBUG("returning NULL!\n");
2073         return NULL;
2074 }
2075
2076 #if 0
2077 struct drm_buf *radeon_freelist_get(struct drm_device * dev)
2078 {
2079         struct drm_device_dma *dma = dev->dma;
2080         drm_radeon_private_t *dev_priv = dev->dev_private;
2081         drm_radeon_buf_priv_t *buf_priv;
2082         struct drm_buf *buf;
2083         int i, t;
2084         int start;
2085         u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
2086
2087         if (++dev_priv->last_buf >= dma->buf_count)
2088                 dev_priv->last_buf = 0;
2089
2090         start = dev_priv->last_buf;
2091         dev_priv->stats.freelist_loops++;
2092
2093         for (t = 0; t < 2; t++) {
2094                 for (i = start; i < dma->buf_count; i++) {
2095                         buf = dma->buflist[i];
2096                         buf_priv = buf->dev_private;
2097                         if (buf->file_priv == 0 || (buf->pending &&
2098                                                     buf_priv->age <=
2099                                                     done_age)) {
2100                                 dev_priv->stats.requested_bufs++;
2101                                 buf->pending = 0;
2102                                 return buf;
2103                         }
2104                 }
2105                 start = 0;
2106         }
2107
2108         return NULL;
2109 }
2110 #endif
2111
2112 void radeon_freelist_reset(struct drm_device * dev)
2113 {
2114         struct drm_device_dma *dma = dev->dma;
2115         drm_radeon_private_t *dev_priv = dev->dev_private;
2116         int i;
2117
2118         dev_priv->last_buf = 0;
2119         for (i = 0; i < dma->buf_count; i++) {
2120                 struct drm_buf *buf = dma->buflist[i];
2121                 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
2122                 buf_priv->age = 0;
2123         }
2124 }
2125
2126 /* ================================================================
2127  * CP command submission
2128  */
2129
2130 int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
2131 {
2132         drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
2133         int i;
2134         u32 last_head = GET_RING_HEAD(dev_priv);
2135
2136         for (i = 0; i < dev_priv->usec_timeout; i++) {
2137                 u32 head = GET_RING_HEAD(dev_priv);
2138
2139                 ring->space = (head - ring->tail) * sizeof(u32);
2140                 if (ring->space <= 0)
2141                         ring->space += ring->size;
2142                 if (ring->space > n)
2143                         return 0;
2144
2145                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
2146
2147                 if (head != last_head)
2148                         i = 0;
2149                 last_head = head;
2150
2151                 DRM_UDELAY(1);
2152         }
2153
2154         /* FIXME: This return value is ignored in the BEGIN_RING macro! */
2155 #if RADEON_FIFO_DEBUG
2156         radeon_status(dev_priv);
2157         DRM_ERROR("failed!\n");
2158 #endif
2159         return -EBUSY;
2160 }
2161
2162 static int radeon_cp_get_buffers(struct drm_device *dev,
2163                                  struct drm_file *file_priv,
2164                                  struct drm_dma * d)
2165 {
2166         int i;
2167         struct drm_buf *buf;
2168
2169         for (i = d->granted_count; i < d->request_count; i++) {
2170                 buf = radeon_freelist_get(dev);
2171                 if (!buf)
2172                         return -EBUSY;  /* NOTE: broken client */
2173
2174                 buf->file_priv = file_priv;
2175
2176                 if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
2177                                      sizeof(buf->idx)))
2178                         return -EFAULT;
2179                 if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
2180                                      sizeof(buf->total)))
2181                         return -EFAULT;
2182
2183                 d->granted_count++;
2184         }
2185         return 0;
2186 }
2187
2188 int radeon_cp_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
2189 {
2190         struct drm_device_dma *dma = dev->dma;
2191         int ret = 0;
2192         struct drm_dma *d = data;
2193
2194         LOCK_TEST_WITH_RETURN(dev, file_priv);
2195
2196         /* Please don't send us buffers.
2197          */
2198         if (d->send_count != 0) {
2199                 DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2200                           DRM_CURRENTPID, d->send_count);
2201                 return -EINVAL;
2202         }
2203
2204         /* We'll send you buffers.
2205          */
2206         if (d->request_count < 0 || d->request_count > dma->buf_count) {
2207                 DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2208                           DRM_CURRENTPID, d->request_count, dma->buf_count);
2209                 return -EINVAL;
2210         }
2211
2212         d->granted_count = 0;
2213
2214         if (d->request_count) {
2215                 ret = radeon_cp_get_buffers(dev, file_priv, d);
2216         }
2217
2218         return ret;
2219 }
2220
2221 int radeon_driver_load(struct drm_device *dev, unsigned long flags)
2222 {
2223         drm_radeon_private_t *dev_priv;
2224         int ret = 0;
2225
2226         dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2227         if (dev_priv == NULL)
2228                 return -ENOMEM;
2229
2230         memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2231         dev->dev_private = (void *)dev_priv;
2232         dev_priv->flags = flags;
2233
2234         switch (flags & RADEON_FAMILY_MASK) {
2235         case CHIP_R100:
2236         case CHIP_RV200:
2237         case CHIP_R200:
2238         case CHIP_R300:
2239         case CHIP_R350:
2240         case CHIP_R420:
2241         case CHIP_RV410:
2242                 dev_priv->flags |= RADEON_HAS_HIERZ;
2243                 break;
2244         default:
2245                 /* all other chips have no hierarchical z buffer */
2246                 break;
2247         }
2248
2249         if (drm_device_is_agp(dev))
2250                 dev_priv->flags |= RADEON_IS_AGP;
2251         else if (drm_device_is_pcie(dev))
2252                 dev_priv->flags |= RADEON_IS_PCIE;
2253         else
2254                 dev_priv->flags |= RADEON_IS_PCI;
2255
2256         DRM_DEBUG("%s card detected\n",
2257                   ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
2258         return ret;
2259 }
2260
2261 /* Create mappings for registers and framebuffer so userland doesn't necessarily
2262  * have to find them.
2263  */
2264 int radeon_driver_firstopen(struct drm_device *dev)
2265 {
2266         int ret;
2267         drm_local_map_t *map;
2268         drm_radeon_private_t *dev_priv = dev->dev_private;
2269
2270         dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
2271
2272         ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
2273                          drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2274                          _DRM_READ_ONLY, &dev_priv->mmio);
2275         if (ret != 0)
2276                 return ret;
2277
2278         ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
2279                          drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2280                          _DRM_WRITE_COMBINING, &map);
2281         if (ret != 0)
2282                 return ret;
2283
2284         return 0;
2285 }
2286
2287 int radeon_driver_unload(struct drm_device *dev)
2288 {
2289         drm_radeon_private_t *dev_priv = dev->dev_private;
2290
2291         DRM_DEBUG("\n");
2292         drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2293
2294         dev->dev_private = NULL;
2295         return 0;
2296 }