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(drm_device_t * 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(drm_device_t * 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 #if RADEON_FIFO_DEBUG
 834 static void radeon_status(drm_radeon_private_t * dev_priv)
 835 {
 836         printk("%s:\n", __FUNCTION__);
 837         printk("RBBM_STATUS = 0x%08x\n",
 838                (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
 839         printk("CP_RB_RTPR = 0x%08x\n",
 840                (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
 841         printk("CP_RB_WTPR = 0x%08x\n",
 842                (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
 843         printk("AIC_CNTL = 0x%08x\n",
 844                (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
 845         printk("AIC_STAT = 0x%08x\n",
 846                (unsigned int)RADEON_READ(RADEON_AIC_STAT));
 847         printk("AIC_PT_BASE = 0x%08x\n",
 848                (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
 849         printk("TLB_ADDR = 0x%08x\n",
 850                (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
 851         printk("TLB_DATA = 0x%08x\n",
 852                (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
 853 }
 854 #endif
 855
 856 /* ================================================================
 857  * Engine, FIFO control
 858  */
 859
 860 static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
 861 {
 862         u32 tmp;
 863         int i;
 864
 865         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 866
 867         tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
 868         tmp |= RADEON_RB3D_DC_FLUSH_ALL;
 869         RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
 870
 871         for (i = 0; i < dev_priv->usec_timeout; i++) {
 872                 if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
 873                       & RADEON_RB3D_DC_BUSY)) {
 874                         return 0;
 875                 }
 876                 DRM_UDELAY(1);
 877         }
 878
 879 #if RADEON_FIFO_DEBUG
 880         DRM_ERROR("failed!\n");
 881         radeon_status(dev_priv);
 882 #endif
 883         return DRM_ERR(EBUSY);
 884 }
 885
 886 static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
 887 {
 888         int i;
 889
 890         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 891
 892         for (i = 0; i < dev_priv->usec_timeout; i++) {
 893                 int slots = (RADEON_READ(RADEON_RBBM_STATUS)
 894                              & RADEON_RBBM_FIFOCNT_MASK);
 895                 if (slots >= entries)
 896                         return 0;
 897                 DRM_UDELAY(1);
 898         }
 899
 900 #if RADEON_FIFO_DEBUG
 901         DRM_ERROR("failed!\n");
 902         radeon_status(dev_priv);
 903 #endif
 904         return DRM_ERR(EBUSY);
 905 }
 906
 907 static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
 908 {
 909         int i, ret;
 910
 911         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 912
 913         ret = radeon_do_wait_for_fifo(dev_priv, 64);
 914         if (ret)
 915                 return ret;
 916
 917         for (i = 0; i < dev_priv->usec_timeout; i++) {
 918                 if (!(RADEON_READ(RADEON_RBBM_STATUS)
 919                       & RADEON_RBBM_ACTIVE)) {
 920                         radeon_do_pixcache_flush(dev_priv);
 921                         return 0;
 922                 }
 923                 DRM_UDELAY(1);
 924         }
 925
 926 #if RADEON_FIFO_DEBUG
 927         DRM_ERROR("failed!\n");
 928         radeon_status(dev_priv);
 929 #endif
 930         return DRM_ERR(EBUSY);
 931 }
 932
 933 /* ================================================================
 934  * CP control, initialization
 935  */
 936
 937 /* Load the microcode for the CP */
 938 static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
 939 {
 940         int i;
 941         DRM_DEBUG("\n");
 942
 943         radeon_do_wait_for_idle(dev_priv);
 944
 945         RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
 946
 947         if (dev_priv->microcode_version == UCODE_R200) {
 948                 DRM_INFO("Loading R200 Microcode\n");
 949                 for (i = 0; i < 256; i++) {
 950                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 951                                      R200_cp_microcode[i][1]);
 952                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 953                                      R200_cp_microcode[i][0]);
 954                 }
 955         } else if (dev_priv->microcode_version == UCODE_R300) {
 956                 DRM_INFO("Loading R300 Microcode\n");
 957                 for (i = 0; i < 256; i++) {
 958                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 959                                      R300_cp_microcode[i][1]);
 960                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 961                                      R300_cp_microcode[i][0]);
 962                 }
 963         } else {
 964                 for (i = 0; i < 256; i++) {
 965                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 966                                      radeon_cp_microcode[i][1]);
 967                         RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 968                                      radeon_cp_microcode[i][0]);
 969                 }
 970         }
 971 }
 972
 973 /* Flush any pending commands to the CP.  This should only be used just
 974  * prior to a wait for idle, as it informs the engine that the command
 975  * stream is ending.
 976  */
 977 static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
 978 {
 979         DRM_DEBUG("\n");
 980 #if 0
 981         u32 tmp;
 982
 983         tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
 984         RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
 985 #endif
 986 }
 987
 988 /* Wait for the CP to go idle.
 989  */
 990 int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
 991 {
 992         RING_LOCALS;
 993         DRM_DEBUG("\n");
 994
 995         BEGIN_RING(6);
 996
 997         RADEON_PURGE_CACHE();
 998         RADEON_PURGE_ZCACHE();
 999         RADEON_WAIT_UNTIL_IDLE();
1000
1001         ADVANCE_RING();
1002         COMMIT_RING();
1003
1004         return radeon_do_wait_for_idle(dev_priv);
1005 }
1006
1007 /* Start the Command Processor.
1008  */
1009 static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
1010 {
1011         RING_LOCALS;
1012         DRM_DEBUG("\n");
1013
1014         radeon_do_wait_for_idle(dev_priv);
1015
1016         RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
1017
1018         dev_priv->cp_running = 1;
1019
1020         BEGIN_RING(6);
1021
1022         RADEON_PURGE_CACHE();
1023         RADEON_PURGE_ZCACHE();
1024         RADEON_WAIT_UNTIL_IDLE();
1025
1026         ADVANCE_RING();
1027         COMMIT_RING();
1028 }
1029
1030 /* Reset the Command Processor.  This will not flush any pending
1031  * commands, so you must wait for the CP command stream to complete
1032  * before calling this routine.
1033  */
1034 static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
1035 {
1036         u32 cur_read_ptr;
1037         DRM_DEBUG("\n");
1038
1039         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1040         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1041         SET_RING_HEAD(dev_priv, cur_read_ptr);
1042         dev_priv->ring.tail = cur_read_ptr;
1043 }
1044
1045 /* Stop the Command Processor.  This will not flush any pending
1046  * commands, so you must flush the command stream and wait for the CP
1047  * to go idle before calling this routine.
1048  */
1049 static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
1050 {
1051         DRM_DEBUG("\n");
1052
1053         RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
1054
1055         dev_priv->cp_running = 0;
1056 }
1057
1058 /* Reset the engine.  This will stop the CP if it is running.
1059  */
1060 static int radeon_do_engine_reset(drm_device_t * dev)
1061 {
1062         drm_radeon_private_t *dev_priv = dev->dev_private;
1063         u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
1064         DRM_DEBUG("\n");
1065
1066         radeon_do_pixcache_flush(dev_priv);
1067
1068         clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
1069         mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
1070
1071         RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
1072                                             RADEON_FORCEON_MCLKA |
1073                                             RADEON_FORCEON_MCLKB |
1074                                             RADEON_FORCEON_YCLKA |
1075                                             RADEON_FORCEON_YCLKB |
1076                                             RADEON_FORCEON_MC |
1077                                             RADEON_FORCEON_AIC));
1078
1079         rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
1080
1081         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
1082                                               RADEON_SOFT_RESET_CP |
1083                                               RADEON_SOFT_RESET_HI |
1084                                               RADEON_SOFT_RESET_SE |
1085                                               RADEON_SOFT_RESET_RE |
1086                                               RADEON_SOFT_RESET_PP |
1087                                               RADEON_SOFT_RESET_E2 |
1088                                               RADEON_SOFT_RESET_RB));
1089         RADEON_READ(RADEON_RBBM_SOFT_RESET);
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
1100         RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
1101         RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
1102         RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
1103
1104         /* Reset the CP ring */
1105         radeon_do_cp_reset(dev_priv);
1106
1107         /* The CP is no longer running after an engine reset */
1108         dev_priv->cp_running = 0;
1109
1110         /* Reset any pending vertex, indirect buffers */
1111         radeon_freelist_reset(dev);
1112
1113         return 0;
1114 }
1115
1116 static void radeon_cp_init_ring_buffer(drm_device_t * dev,
1117                                        drm_radeon_private_t * dev_priv)
1118 {
1119         u32 ring_start, cur_read_ptr;
1120         u32 tmp;
1121
1122         /* Initialize the memory controller. With new memory map, the fb location
1123          * is not changed, it should have been properly initialized already. Part
1124          * of the problem is that the code below is bogus, assuming the GART is
1125          * always appended to the fb which is not necessarily the case
1126          */
1127         if (!dev_priv->new_memmap)
1128                 RADEON_WRITE(RADEON_MC_FB_LOCATION,
1129                              ((dev_priv->gart_vm_start - 1) & 0xffff0000)
1130                              | (dev_priv->fb_location >> 16));
1131
1132 #if __OS_HAS_AGP
1133         if (dev_priv->flags & RADEON_IS_AGP) {
1134                 RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
1135                 RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1136                              (((dev_priv->gart_vm_start - 1 +
1137                                 dev_priv->gart_size) & 0xffff0000) |
1138                               (dev_priv->gart_vm_start >> 16)));
1139
1140                 ring_start = (dev_priv->cp_ring->offset
1141                               - dev->agp->base
1142                               + dev_priv->gart_vm_start);
1143         } else
1144 #endif
1145                 ring_start = (dev_priv->cp_ring->offset
1146                               - (unsigned long)dev->sg->virtual
1147                               + dev_priv->gart_vm_start);
1148
1149         RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
1150
1151         /* Set the write pointer delay */
1152         RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
1153
1154         /* Initialize the ring buffer's read and write pointers */
1155         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1156         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1157         SET_RING_HEAD(dev_priv, cur_read_ptr);
1158         dev_priv->ring.tail = cur_read_ptr;
1159
1160 #if __OS_HAS_AGP
1161         if (dev_priv->flags & RADEON_IS_AGP) {
1162                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
1163                              dev_priv->ring_rptr->offset
1164                              - dev->agp->base + dev_priv->gart_vm_start);
1165         } else
1166 #endif
1167         {
1168                 drm_sg_mem_t *entry = dev->sg;
1169                 unsigned long tmp_ofs, page_ofs;
1170
1171                 tmp_ofs = dev_priv->ring_rptr->offset -
1172                                 (unsigned long)dev->sg->virtual;
1173                 page_ofs = tmp_ofs >> PAGE_SHIFT;
1174
1175                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
1176                 DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
1177                           (unsigned long)entry->busaddr[page_ofs],
1178                           entry->handle + tmp_ofs);
1179         }
1180
1181         /* Set ring buffer size */
1182 #ifdef __BIG_ENDIAN
1183         RADEON_WRITE(RADEON_CP_RB_CNTL,
1184                      dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
1185 #else
1186         RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
1187 #endif
1188
1189         /* Start with assuming that writeback doesn't work */
1190         dev_priv->writeback_works = 0;
1191
1192         /* Initialize the scratch register pointer.  This will cause
1193          * the scratch register values to be written out to memory
1194          * whenever they are updated.
1195          *
1196          * We simply put this behind the ring read pointer, this works
1197          * with PCI GART as well as (whatever kind of) AGP GART
1198          */
1199         RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
1200                      + RADEON_SCRATCH_REG_OFFSET);
1201
1202         dev_priv->scratch = ((__volatile__ u32 *)
1203                              dev_priv->ring_rptr->handle +
1204                              (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
1205
1206         RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
1207
1208         /* Turn on bus mastering */
1209         tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
1210         RADEON_WRITE(RADEON_BUS_CNTL, tmp);
1211
1212         dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1213         RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
1214
1215         dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1216         RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
1217                      dev_priv->sarea_priv->last_dispatch);
1218
1219         dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1220         RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
1221
1222         radeon_do_wait_for_idle(dev_priv);
1223
1224         /* Sync everything up */
1225         RADEON_WRITE(RADEON_ISYNC_CNTL,
1226                      (RADEON_ISYNC_ANY2D_IDLE3D |
1227                       RADEON_ISYNC_ANY3D_IDLE2D |
1228                       RADEON_ISYNC_WAIT_IDLEGUI |
1229                       RADEON_ISYNC_CPSCRATCH_IDLEGUI));
1230
1231 }
1232
1233 static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
1234 {
1235         u32 tmp;
1236
1237         /* Writeback doesn't seem to work everywhere, test it here and possibly
1238          * enable it if it appears to work
1239          */
1240         DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
1241         RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
1242
1243         for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
1244                 if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
1245                     0xdeadbeef)
1246                         break;
1247                 DRM_UDELAY(1);
1248         }
1249
1250         if (tmp < dev_priv->usec_timeout) {
1251                 dev_priv->writeback_works = 1;
1252                 DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
1253         } else {
1254                 dev_priv->writeback_works = 0;
1255                 DRM_INFO("writeback test failed\n");
1256         }
1257         if (radeon_no_wb == 1) {
1258                 dev_priv->writeback_works = 0;
1259                 DRM_INFO("writeback forced off\n");
1260         }
1261
1262         if (!dev_priv->writeback_works) {
1263                 /* Disable writeback to avoid unnecessary bus master transfer */
1264                 RADEON_WRITE(RADEON_CP_RB_CNTL, RADEON_READ(RADEON_CP_RB_CNTL) |
1265                              RADEON_RB_NO_UPDATE);
1266                 RADEON_WRITE(RADEON_SCRATCH_UMSK, 0);
1267         }
1268 }
1269
1270 /* Enable or disable PCI-E GART on the chip */
1271 static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
1272 {
1273         u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
1274         if (on) {
1275
1276                 DRM_DEBUG("programming pcie %08X %08lX %08X\n",
1277                           dev_priv->gart_vm_start,
1278                           (long)dev_priv->gart_info.bus_addr,
1279                           dev_priv->gart_size);
1280                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
1281                                   dev_priv->gart_vm_start);
1282                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
1283                                   dev_priv->gart_info.bus_addr);
1284                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
1285                                   dev_priv->gart_vm_start);
1286                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
1287                                   dev_priv->gart_vm_start +
1288                                   dev_priv->gart_size - 1);
1289
1290                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1291
1292                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1293                                   RADEON_PCIE_TX_GART_EN);
1294         } else {
1295                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1296                                   tmp & ~RADEON_PCIE_TX_GART_EN);
1297         }
1298 }
1299
1300 /* Enable or disable PCI GART on the chip */
1301 static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
1302 {
1303         u32 tmp;
1304
1305         if (dev_priv->flags & RADEON_IS_PCIE) {
1306                 radeon_set_pciegart(dev_priv, on);
1307                 return;
1308         }
1309
1310         tmp = RADEON_READ(RADEON_AIC_CNTL);
1311
1312         if (on) {
1313                 RADEON_WRITE(RADEON_AIC_CNTL,
1314                              tmp | RADEON_PCIGART_TRANSLATE_EN);
1315
1316                 /* set PCI GART page-table base address
1317                  */
1318                 RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
1319
1320                 /* set address range for PCI address translate
1321                  */
1322                 RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1323                 RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1324                              + dev_priv->gart_size - 1);
1325
1326                 /* Turn off AGP aperture -- is this required for PCI GART?
1327                  */
1328                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1329                 RADEON_WRITE(RADEON_AGP_COMMAND, 0);    /* clear AGP_COMMAND */
1330         } else {
1331                 RADEON_WRITE(RADEON_AIC_CNTL,
1332                              tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1333         }
1334 }
1335
1336 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
1337 {
1338         drm_radeon_private_t *dev_priv = dev->dev_private;
1339
1340         DRM_DEBUG("\n");
1341
1342         /* if we require new memory map but we don't have it fail */
1343         if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
1344                 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1345                 radeon_do_cleanup_cp(dev);
1346                 return DRM_ERR(EINVAL);
1347         }
1348
1349         if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
1350                 DRM_DEBUG("Forcing AGP card to PCI mode\n");
1351                 dev_priv->flags &= ~RADEON_IS_AGP;
1352         } else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
1353                    && !init->is_pci) {
1354                 DRM_DEBUG("Restoring AGP flag\n");
1355                 dev_priv->flags |= RADEON_IS_AGP;
1356         }
1357
1358         if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
1359                 DRM_ERROR("PCI GART memory not allocated!\n");
1360                 radeon_do_cleanup_cp(dev);
1361                 return DRM_ERR(EINVAL);
1362         }
1363
1364         dev_priv->usec_timeout = init->usec_timeout;
1365         if (dev_priv->usec_timeout < 1 ||
1366             dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1367                 DRM_DEBUG("TIMEOUT problem!\n");
1368                 radeon_do_cleanup_cp(dev);
1369                 return DRM_ERR(EINVAL);
1370         }
1371
1372         switch(init->func) {
1373         case RADEON_INIT_R200_CP:
1374                 dev_priv->microcode_version = UCODE_R200;
1375                 break;
1376         case RADEON_INIT_R300_CP:
1377                 dev_priv->microcode_version = UCODE_R300;
1378                 break;
1379         default:
1380                 dev_priv->microcode_version = UCODE_R100;
1381         }
1382
1383         dev_priv->do_boxes = 0;
1384         dev_priv->cp_mode = init->cp_mode;
1385
1386         /* We don't support anything other than bus-mastering ring mode,
1387          * but the ring can be in either AGP or PCI space for the ring
1388          * read pointer.
1389          */
1390         if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1391             (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1392                 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1393                 radeon_do_cleanup_cp(dev);
1394                 return DRM_ERR(EINVAL);
1395         }
1396
1397         switch (init->fb_bpp) {
1398         case 16:
1399                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1400                 break;
1401         case 32:
1402         default:
1403                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1404                 break;
1405         }
1406         dev_priv->front_offset = init->front_offset;
1407         dev_priv->front_pitch = init->front_pitch;
1408         dev_priv->back_offset = init->back_offset;
1409         dev_priv->back_pitch = init->back_pitch;
1410
1411         switch (init->depth_bpp) {
1412         case 16:
1413                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1414                 break;
1415         case 32:
1416         default:
1417                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1418                 break;
1419         }
1420         dev_priv->depth_offset = init->depth_offset;
1421         dev_priv->depth_pitch = init->depth_pitch;
1422
1423         /* Hardware state for depth clears.  Remove this if/when we no
1424          * longer clear the depth buffer with a 3D rectangle.  Hard-code
1425          * all values to prevent unwanted 3D state from slipping through
1426          * and screwing with the clear operation.
1427          */
1428         dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1429                                            (dev_priv->color_fmt << 10) |
1430                                            (dev_priv->microcode_version ==
1431                                             UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1432
1433         dev_priv->depth_clear.rb3d_zstencilcntl =
1434             (dev_priv->depth_fmt |
1435              RADEON_Z_TEST_ALWAYS |
1436              RADEON_STENCIL_TEST_ALWAYS |
1437              RADEON_STENCIL_S_FAIL_REPLACE |
1438              RADEON_STENCIL_ZPASS_REPLACE |
1439              RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1440
1441         dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1442                                          RADEON_BFACE_SOLID |
1443                                          RADEON_FFACE_SOLID |
1444                                          RADEON_FLAT_SHADE_VTX_LAST |
1445                                          RADEON_DIFFUSE_SHADE_FLAT |
1446                                          RADEON_ALPHA_SHADE_FLAT |
1447                                          RADEON_SPECULAR_SHADE_FLAT |
1448                                          RADEON_FOG_SHADE_FLAT |
1449                                          RADEON_VTX_PIX_CENTER_OGL |
1450                                          RADEON_ROUND_MODE_TRUNC |
1451                                          RADEON_ROUND_PREC_8TH_PIX);
1452
1453         DRM_GETSAREA();
1454
1455         dev_priv->ring_offset = init->ring_offset;
1456         dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1457         dev_priv->buffers_offset = init->buffers_offset;
1458         dev_priv->gart_textures_offset = init->gart_textures_offset;
1459
1460         if (!dev_priv->sarea) {
1461                 DRM_ERROR("could not find sarea!\n");
1462                 radeon_do_cleanup_cp(dev);
1463                 return DRM_ERR(EINVAL);
1464         }
1465
1466         dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1467         if (!dev_priv->cp_ring) {
1468                 DRM_ERROR("could not find cp ring region!\n");
1469                 radeon_do_cleanup_cp(dev);
1470                 return DRM_ERR(EINVAL);
1471         }
1472         dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1473         if (!dev_priv->ring_rptr) {
1474                 DRM_ERROR("could not find ring read pointer!\n");
1475                 radeon_do_cleanup_cp(dev);
1476                 return DRM_ERR(EINVAL);
1477         }
1478         dev->agp_buffer_token = init->buffers_offset;
1479         dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1480         if (!dev->agp_buffer_map) {
1481                 DRM_ERROR("could not find dma buffer region!\n");
1482                 radeon_do_cleanup_cp(dev);
1483                 return DRM_ERR(EINVAL);
1484         }
1485
1486         if (init->gart_textures_offset) {
1487                 dev_priv->gart_textures =
1488                     drm_core_findmap(dev, init->gart_textures_offset);
1489                 if (!dev_priv->gart_textures) {
1490                         DRM_ERROR("could not find GART texture region!\n");
1491                         radeon_do_cleanup_cp(dev);
1492                         return DRM_ERR(EINVAL);
1493                 }
1494         }
1495
1496         dev_priv->sarea_priv =
1497             (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
1498                                     init->sarea_priv_offset);
1499
1500 #if __OS_HAS_AGP
1501         if (dev_priv->flags & RADEON_IS_AGP) {
1502                 drm_core_ioremap(dev_priv->cp_ring, dev);
1503                 drm_core_ioremap(dev_priv->ring_rptr, dev);
1504                 drm_core_ioremap(dev->agp_buffer_map, dev);
1505                 if (!dev_priv->cp_ring->handle ||
1506                     !dev_priv->ring_rptr->handle ||
1507                     !dev->agp_buffer_map->handle) {
1508                         DRM_ERROR("could not find ioremap agp regions!\n");
1509                         radeon_do_cleanup_cp(dev);
1510                         return DRM_ERR(EINVAL);
1511                 }
1512         } else
1513 #endif
1514         {
1515                 dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
1516                 dev_priv->ring_rptr->handle =
1517                     (void *)dev_priv->ring_rptr->offset;
1518                 dev->agp_buffer_map->handle =
1519                     (void *)dev->agp_buffer_map->offset;
1520
1521                 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1522                           dev_priv->cp_ring->handle);
1523                 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1524                           dev_priv->ring_rptr->handle);
1525                 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1526                           dev->agp_buffer_map->handle);
1527         }
1528
1529         dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION)
1530                                  & 0xffff) << 16;
1531         dev_priv->fb_size =
1532                 ((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000)
1533                 - dev_priv->fb_location;
1534
1535         dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1536                                         ((dev_priv->front_offset
1537                                           + dev_priv->fb_location) >> 10));
1538
1539         dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1540                                        ((dev_priv->back_offset
1541                                          + dev_priv->fb_location) >> 10));
1542
1543         dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1544                                         ((dev_priv->depth_offset
1545                                           + dev_priv->fb_location) >> 10));
1546
1547         dev_priv->gart_size = init->gart_size;
1548
1549         /* New let's set the memory map ... */
1550         if (dev_priv->new_memmap) {
1551                 u32 base = 0;
1552
1553                 DRM_INFO("Setting GART location based on new memory map\n");
1554
1555                 /* If using AGP, try to locate the AGP aperture at the same
1556                  * location in the card and on the bus, though we have to
1557                  * align it down.
1558                  */
1559 #if __OS_HAS_AGP
1560                 if (dev_priv->flags & RADEON_IS_AGP) {
1561                         base = dev->agp->base;
1562                         /* Check if valid */
1563                         if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
1564                             base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
1565                                 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
1566                                          dev->agp->base);
1567                                 base = 0;
1568                         }
1569                 }
1570 #endif
1571                 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1572                 if (base == 0) {
1573                         base = dev_priv->fb_location + dev_priv->fb_size;
1574                         if (base < dev_priv->fb_location ||
1575                             ((base + dev_priv->gart_size) & 0xfffffffful) < base)
1576                                 base = dev_priv->fb_location
1577                                         - dev_priv->gart_size;
1578                 }
1579                 dev_priv->gart_vm_start = base & 0xffc00000u;
1580                 if (dev_priv->gart_vm_start != base)
1581                         DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
1582                                  base, dev_priv->gart_vm_start);
1583         } else {
1584                 DRM_INFO("Setting GART location based on old memory map\n");
1585                 dev_priv->gart_vm_start = dev_priv->fb_location +
1586                         RADEON_READ(RADEON_CONFIG_APER_SIZE);
1587         }
1588
1589 #if __OS_HAS_AGP
1590         if (dev_priv->flags & RADEON_IS_AGP)
1591                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1592                                                  - dev->agp->base
1593                                                  + dev_priv->gart_vm_start);
1594         else
1595 #endif
1596                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1597                                         - (unsigned long)dev->sg->virtual
1598                                         + dev_priv->gart_vm_start);
1599
1600         DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1601         DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1602         DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1603                   dev_priv->gart_buffers_offset);
1604
1605         dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1606         dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
1607                               + init->ring_size / sizeof(u32));
1608         dev_priv->ring.size = init->ring_size;
1609         dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1610
1611         dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
1612
1613         dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1614
1615 #if __OS_HAS_AGP
1616         if (dev_priv->flags & RADEON_IS_AGP) {
1617                 /* Turn off PCI GART */
1618                 radeon_set_pcigart(dev_priv, 0);
1619         } else
1620 #endif
1621         {
1622                 /* if we have an offset set from userspace */
1623                 if (dev_priv->pcigart_offset) {
1624                         dev_priv->gart_info.bus_addr =
1625                             dev_priv->pcigart_offset + dev_priv->fb_location;
1626                         dev_priv->gart_info.mapping.offset =
1627                             dev_priv->gart_info.bus_addr;
1628                         dev_priv->gart_info.mapping.size =
1629                             RADEON_PCIGART_TABLE_SIZE;
1630
1631                         drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
1632                         dev_priv->gart_info.addr =
1633                             dev_priv->gart_info.mapping.handle;
1634
1635                         dev_priv->gart_info.is_pcie =
1636                             !!(dev_priv->flags & RADEON_IS_PCIE);
1637                         dev_priv->gart_info.gart_table_location =
1638                             DRM_ATI_GART_FB;
1639
1640                         DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
1641                                   dev_priv->gart_info.addr,
1642                                   dev_priv->pcigart_offset);
1643                 } else {
1644                         dev_priv->gart_info.gart_table_location =
1645                             DRM_ATI_GART_MAIN;
1646                         dev_priv->gart_info.addr = NULL;
1647                         dev_priv->gart_info.bus_addr = 0;
1648                         if (dev_priv->flags & RADEON_IS_PCIE) {
1649                                 DRM_ERROR
1650                                     ("Cannot use PCI Express without GART in FB memory\n");
1651                                 radeon_do_cleanup_cp(dev);
1652                                 return DRM_ERR(EINVAL);
1653                         }
1654                 }
1655
1656                 if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
1657                         DRM_ERROR("failed to init PCI GART!\n");
1658                         radeon_do_cleanup_cp(dev);
1659                         return DRM_ERR(ENOMEM);
1660                 }
1661
1662                 /* Turn on PCI GART */
1663                 radeon_set_pcigart(dev_priv, 1);
1664         }
1665
1666         radeon_cp_load_microcode(dev_priv);
1667         radeon_cp_init_ring_buffer(dev, dev_priv);
1668
1669         dev_priv->last_buf = 0;
1670
1671         radeon_do_engine_reset(dev);
1672         radeon_test_writeback(dev_priv);
1673
1674         return 0;
1675 }
1676
1677 static int radeon_do_cleanup_cp(drm_device_t * dev)
1678 {
1679         drm_radeon_private_t *dev_priv = dev->dev_private;
1680         DRM_DEBUG("\n");
1681
1682         /* Make sure interrupts are disabled here because the uninstall ioctl
1683          * may not have been called from userspace and after dev_private
1684          * is freed, it's too late.
1685          */
1686         if (dev->irq_enabled)
1687                 drm_irq_uninstall(dev);
1688
1689 #if __OS_HAS_AGP
1690         if (dev_priv->flags & RADEON_IS_AGP) {
1691                 if (dev_priv->cp_ring != NULL) {
1692                         drm_core_ioremapfree(dev_priv->cp_ring, dev);
1693                         dev_priv->cp_ring = NULL;
1694                 }
1695                 if (dev_priv->ring_rptr != NULL) {
1696                         drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1697                         dev_priv->ring_rptr = NULL;
1698                 }
1699                 if (dev->agp_buffer_map != NULL) {
1700                         drm_core_ioremapfree(dev->agp_buffer_map, dev);
1701                         dev->agp_buffer_map = NULL;
1702                 }
1703         } else
1704 #endif
1705         {
1706
1707                 if (dev_priv->gart_info.bus_addr) {
1708                         /* Turn off PCI GART */
1709                         radeon_set_pcigart(dev_priv, 0);
1710                         if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
1711                                 DRM_ERROR("failed to cleanup PCI GART!\n");
1712                 }
1713
1714                 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
1715                 {
1716                         drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
1717                         dev_priv->gart_info.addr = NULL;
1718                 }
1719         }
1720         /* only clear to the start of flags */
1721         memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1722
1723         return 0;
1724 }
1725
1726 /* This code will reinit the Radeon CP hardware after a resume from disc.
1727  * AFAIK, it would be very difficult to pickle the state at suspend time, so
1728  * here we make sure that all Radeon hardware initialisation is re-done without
1729  * affecting running applications.
1730  *
1731  * Charl P. Botha <http://cpbotha.net>
1732  */
1733 static int radeon_do_resume_cp(drm_device_t * dev)
1734 {
1735         drm_radeon_private_t *dev_priv = dev->dev_private;
1736
1737         if (!dev_priv) {
1738                 DRM_ERROR("Called with no initialization\n");
1739                 return DRM_ERR(EINVAL);
1740         }
1741
1742         DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1743
1744 #if __OS_HAS_AGP
1745         if (dev_priv->flags & RADEON_IS_AGP) {
1746                 /* Turn off PCI GART */
1747                 radeon_set_pcigart(dev_priv, 0);
1748         } else
1749 #endif
1750         {
1751                 /* Turn on PCI GART */
1752                 radeon_set_pcigart(dev_priv, 1);
1753         }
1754
1755         radeon_cp_load_microcode(dev_priv);
1756         radeon_cp_init_ring_buffer(dev, dev_priv);
1757
1758         radeon_do_engine_reset(dev);
1759
1760         DRM_DEBUG("radeon_do_resume_cp() complete\n");
1761
1762         return 0;
1763 }
1764
1765 int radeon_cp_init(DRM_IOCTL_ARGS)
1766 {
1767         DRM_DEVICE;
1768         drm_radeon_init_t init;
1769
1770         LOCK_TEST_WITH_RETURN(dev, filp);
1771
1772         DRM_COPY_FROM_USER_IOCTL(init, (drm_radeon_init_t __user *) data,
1773                                  sizeof(init));
1774
1775         if (init.func == RADEON_INIT_R300_CP)
1776                 r300_init_reg_flags();
1777
1778         switch (init.func) {
1779         case RADEON_INIT_CP:
1780         case RADEON_INIT_R200_CP:
1781         case RADEON_INIT_R300_CP:
1782                 return radeon_do_init_cp(dev, &init);
1783         case RADEON_CLEANUP_CP:
1784                 return radeon_do_cleanup_cp(dev);
1785         }
1786
1787         return DRM_ERR(EINVAL);
1788 }
1789
1790 int radeon_cp_start(DRM_IOCTL_ARGS)
1791 {
1792         DRM_DEVICE;
1793         drm_radeon_private_t *dev_priv = dev->dev_private;
1794         DRM_DEBUG("\n");
1795
1796         LOCK_TEST_WITH_RETURN(dev, filp);
1797
1798         if (dev_priv->cp_running) {
1799                 DRM_DEBUG("%s while CP running\n", __FUNCTION__);
1800                 return 0;
1801         }
1802         if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1803                 DRM_DEBUG("%s called with bogus CP mode (%d)\n",
1804                           __FUNCTION__, dev_priv->cp_mode);
1805                 return 0;
1806         }
1807
1808         radeon_do_cp_start(dev_priv);
1809
1810         return 0;
1811 }
1812
1813 /* Stop the CP.  The engine must have been idled before calling this
1814  * routine.
1815  */
1816 int radeon_cp_stop(DRM_IOCTL_ARGS)
1817 {
1818         DRM_DEVICE;
1819         drm_radeon_private_t *dev_priv = dev->dev_private;
1820         drm_radeon_cp_stop_t stop;
1821         int ret;
1822         DRM_DEBUG("\n");
1823
1824         LOCK_TEST_WITH_RETURN(dev, filp);
1825
1826         DRM_COPY_FROM_USER_IOCTL(stop, (drm_radeon_cp_stop_t __user *) data,
1827                                  sizeof(stop));
1828
1829         if (!dev_priv->cp_running)
1830                 return 0;
1831
1832         /* Flush any pending CP commands.  This ensures any outstanding
1833          * commands are exectuted by the engine before we turn it off.
1834          */
1835         if (stop.flush) {
1836                 radeon_do_cp_flush(dev_priv);
1837         }
1838
1839         /* If we fail to make the engine go idle, we return an error
1840          * code so that the DRM ioctl wrapper can try again.
1841          */
1842         if (stop.idle) {
1843                 ret = radeon_do_cp_idle(dev_priv);
1844                 if (ret)
1845                         return ret;
1846         }
1847
1848         /* Finally, we can turn off the CP.  If the engine isn't idle,
1849          * we will get some dropped triangles as they won't be fully
1850          * rendered before the CP is shut down.
1851          */
1852         radeon_do_cp_stop(dev_priv);
1853
1854         /* Reset the engine */
1855         radeon_do_engine_reset(dev);
1856
1857         return 0;
1858 }
1859
1860 void radeon_do_release(drm_device_t * dev)
1861 {
1862         drm_radeon_private_t *dev_priv = dev->dev_private;
1863         int i, ret;
1864
1865         if (dev_priv) {
1866                 if (dev_priv->cp_running) {
1867                         /* Stop the cp */
1868                         while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1869                                 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1870 #ifdef __linux__
1871                                 schedule();
1872 #else
1873                                 tsleep(&ret, PZERO, "rdnrel", 1);
1874 #endif
1875                         }
1876                         radeon_do_cp_stop(dev_priv);
1877                         radeon_do_engine_reset(dev);
1878                 }
1879
1880                 /* Disable *all* interrupts */
1881                 if (dev_priv->mmio)     /* remove this after permanent addmaps */
1882                         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1883
1884                 if (dev_priv->mmio) {   /* remove all surfaces */
1885                         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1886                                 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
1887                                 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
1888                                              16 * i, 0);
1889                                 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
1890                                              16 * i, 0);
1891                         }
1892                 }
1893
1894                 /* Free memory heap structures */
1895                 radeon_mem_takedown(&(dev_priv->gart_heap));
1896                 radeon_mem_takedown(&(dev_priv->fb_heap));
1897
1898                 /* deallocate kernel resources */
1899                 radeon_do_cleanup_cp(dev);
1900         }
1901 }
1902
1903 /* Just reset the CP ring.  Called as part of an X Server engine reset.
1904  */
1905 int radeon_cp_reset(DRM_IOCTL_ARGS)
1906 {
1907         DRM_DEVICE;
1908         drm_radeon_private_t *dev_priv = dev->dev_private;
1909         DRM_DEBUG("\n");
1910
1911         LOCK_TEST_WITH_RETURN(dev, filp);
1912
1913         if (!dev_priv) {
1914                 DRM_DEBUG("%s called before init done\n", __FUNCTION__);
1915                 return DRM_ERR(EINVAL);
1916         }
1917
1918         radeon_do_cp_reset(dev_priv);
1919
1920         /* The CP is no longer running after an engine reset */
1921         dev_priv->cp_running = 0;
1922
1923         return 0;
1924 }
1925
1926 int radeon_cp_idle(DRM_IOCTL_ARGS)
1927 {
1928         DRM_DEVICE;
1929         drm_radeon_private_t *dev_priv = dev->dev_private;
1930         DRM_DEBUG("\n");
1931
1932         LOCK_TEST_WITH_RETURN(dev, filp);
1933
1934         return radeon_do_cp_idle(dev_priv);
1935 }
1936
1937 /* Added by Charl P. Botha to call radeon_do_resume_cp().
1938  */
1939 int radeon_cp_resume(DRM_IOCTL_ARGS)
1940 {
1941         DRM_DEVICE;
1942
1943         return radeon_do_resume_cp(dev);
1944 }
1945
1946 int radeon_engine_reset(DRM_IOCTL_ARGS)
1947 {
1948         DRM_DEVICE;
1949         DRM_DEBUG("\n");
1950
1951         LOCK_TEST_WITH_RETURN(dev, filp);
1952
1953         return radeon_do_engine_reset(dev);
1954 }
1955
1956 /* ================================================================
1957  * Fullscreen mode
1958  */
1959
1960 /* KW: Deprecated to say the least:
1961  */
1962 int radeon_fullscreen(DRM_IOCTL_ARGS)
1963 {
1964         return 0;
1965 }
1966
1967 /* ================================================================
1968  * Freelist management
1969  */
1970
1971 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
1972  *   bufs until freelist code is used.  Note this hides a problem with
1973  *   the scratch register * (used to keep track of last buffer
1974  *   completed) being written to before * the last buffer has actually
1975  *   completed rendering.
1976  *
1977  * KW:  It's also a good way to find free buffers quickly.
1978  *
1979  * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
1980  * sleep.  However, bugs in older versions of radeon_accel.c mean that
1981  * we essentially have to do this, else old clients will break.
1982  *
1983  * However, it does leave open a potential deadlock where all the
1984  * buffers are held by other clients, which can't release them because
1985  * they can't get the lock.
1986  */
1987
1988 drm_buf_t *radeon_freelist_get(drm_device_t * dev)
1989 {
1990         drm_device_dma_t *dma = dev->dma;
1991         drm_radeon_private_t *dev_priv = dev->dev_private;
1992         drm_radeon_buf_priv_t *buf_priv;
1993         drm_buf_t *buf;
1994         int i, t;
1995         int start;
1996
1997         if (++dev_priv->last_buf >= dma->buf_count)
1998                 dev_priv->last_buf = 0;
1999
2000         start = dev_priv->last_buf;
2001
2002         for (t = 0; t < dev_priv->usec_timeout; t++) {
2003                 u32 done_age = GET_SCRATCH(1);
2004                 DRM_DEBUG("done_age = %d\n", done_age);
2005                 for (i = start; i < dma->buf_count; i++) {
2006                         buf = dma->buflist[i];
2007                         buf_priv = buf->dev_private;
2008                         if (buf->filp == 0 || (buf->pending &&
2009                                                buf_priv->age <= done_age)) {
2010                                 dev_priv->stats.requested_bufs++;
2011                                 buf->pending = 0;
2012                                 return buf;
2013                         }
2014                         start = 0;
2015                 }
2016
2017                 if (t) {
2018                         DRM_UDELAY(1);
2019                         dev_priv->stats.freelist_loops++;
2020                 }
2021         }
2022
2023         DRM_DEBUG("returning NULL!\n");
2024         return NULL;
2025 }
2026
2027 #if 0
2028 drm_buf_t *radeon_freelist_get(drm_device_t * dev)
2029 {
2030         drm_device_dma_t *dma = dev->dma;
2031         drm_radeon_private_t *dev_priv = dev->dev_private;
2032         drm_radeon_buf_priv_t *buf_priv;
2033         drm_buf_t *buf;
2034         int i, t;
2035         int start;
2036         u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
2037
2038         if (++dev_priv->last_buf >= dma->buf_count)
2039                 dev_priv->last_buf = 0;
2040
2041         start = dev_priv->last_buf;
2042         dev_priv->stats.freelist_loops++;
2043
2044         for (t = 0; t < 2; t++) {
2045                 for (i = start; i < dma->buf_count; i++) {
2046                         buf = dma->buflist[i];
2047                         buf_priv = buf->dev_private;
2048                         if (buf->filp == 0 || (buf->pending &&
2049                                                buf_priv->age <= done_age)) {
2050                                 dev_priv->stats.requested_bufs++;
2051                                 buf->pending = 0;
2052                                 return buf;
2053                         }
2054                 }
2055                 start = 0;
2056         }
2057
2058         return NULL;
2059 }
2060 #endif
2061
2062 void radeon_freelist_reset(drm_device_t * dev)
2063 {
2064         drm_device_dma_t *dma = dev->dma;
2065         drm_radeon_private_t *dev_priv = dev->dev_private;
2066         int i;
2067
2068         dev_priv->last_buf = 0;
2069         for (i = 0; i < dma->buf_count; i++) {
2070                 drm_buf_t *buf = dma->buflist[i];
2071                 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
2072                 buf_priv->age = 0;
2073         }
2074 }
2075
2076 /* ================================================================
2077  * CP command submission
2078  */
2079
2080 int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
2081 {
2082         drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
2083         int i;
2084         u32 last_head = GET_RING_HEAD(dev_priv);
2085
2086         for (i = 0; i < dev_priv->usec_timeout; i++) {
2087                 u32 head = GET_RING_HEAD(dev_priv);
2088
2089                 ring->space = (head - ring->tail) * sizeof(u32);
2090                 if (ring->space <= 0)
2091                         ring->space += ring->size;
2092                 if (ring->space > n)
2093                         return 0;
2094
2095                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
2096
2097                 if (head != last_head)
2098                         i = 0;
2099                 last_head = head;
2100
2101                 DRM_UDELAY(1);
2102         }
2103
2104         /* FIXME: This return value is ignored in the BEGIN_RING macro! */
2105 #if RADEON_FIFO_DEBUG
2106         radeon_status(dev_priv);
2107         DRM_ERROR("failed!\n");
2108 #endif
2109         return DRM_ERR(EBUSY);
2110 }
2111
2112 static int radeon_cp_get_buffers(DRMFILE filp, drm_device_t * dev,
2113                                  drm_dma_t * d)
2114 {
2115         int i;
2116         drm_buf_t *buf;
2117
2118         for (i = d->granted_count; i < d->request_count; i++) {
2119                 buf = radeon_freelist_get(dev);
2120                 if (!buf)
2121                         return DRM_ERR(EBUSY);  /* NOTE: broken client */
2122
2123                 buf->filp = filp;
2124
2125                 if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
2126                                      sizeof(buf->idx)))
2127                         return DRM_ERR(EFAULT);
2128                 if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
2129                                      sizeof(buf->total)))
2130                         return DRM_ERR(EFAULT);
2131
2132                 d->granted_count++;
2133         }
2134         return 0;
2135 }
2136
2137 int radeon_cp_buffers(DRM_IOCTL_ARGS)
2138 {
2139         DRM_DEVICE;
2140         drm_device_dma_t *dma = dev->dma;
2141         int ret = 0;
2142         drm_dma_t __user *argp = (void __user *)data;
2143         drm_dma_t d;
2144
2145         LOCK_TEST_WITH_RETURN(dev, filp);
2146
2147         DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
2148
2149         /* Please don't send us buffers.
2150          */
2151         if (d.send_count != 0) {
2152                 DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2153                           DRM_CURRENTPID, d.send_count);
2154                 return DRM_ERR(EINVAL);
2155         }
2156
2157         /* We'll send you buffers.
2158          */
2159         if (d.request_count < 0 || d.request_count > dma->buf_count) {
2160                 DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2161                           DRM_CURRENTPID, d.request_count, dma->buf_count);
2162                 return DRM_ERR(EINVAL);
2163         }
2164
2165         d.granted_count = 0;
2166
2167         if (d.request_count) {
2168                 ret = radeon_cp_get_buffers(filp, dev, &d);
2169         }
2170
2171         DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
2172
2173         return ret;
2174 }
2175
2176 int radeon_driver_load(struct drm_device *dev, unsigned long flags)
2177 {
2178         drm_radeon_private_t *dev_priv;
2179         int ret = 0;
2180
2181         dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2182         if (dev_priv == NULL)
2183                 return DRM_ERR(ENOMEM);
2184
2185         memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2186         dev->dev_private = (void *)dev_priv;
2187         dev_priv->flags = flags;
2188
2189         switch (flags & RADEON_FAMILY_MASK) {
2190         case CHIP_R100:
2191         case CHIP_RV200:
2192         case CHIP_R200:
2193         case CHIP_R300:
2194         case CHIP_R350:
2195         case CHIP_R420:
2196         case CHIP_RV410:
2197                 dev_priv->flags |= RADEON_HAS_HIERZ;
2198                 break;
2199         default:
2200                 /* all other chips have no hierarchical z buffer */
2201                 break;
2202         }
2203
2204         if (drm_device_is_agp(dev))
2205                 dev_priv->flags |= RADEON_IS_AGP;
2206         else if (drm_device_is_pcie(dev))
2207                 dev_priv->flags |= RADEON_IS_PCIE;
2208         else
2209                 dev_priv->flags |= RADEON_IS_PCI;
2210
2211         DRM_DEBUG("%s card detected\n",
2212                   ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
2213         return ret;
2214 }
2215
2216 /* Create mappings for registers and framebuffer so userland doesn't necessarily
2217  * have to find them.
2218  */
2219 int radeon_driver_firstopen(struct drm_device *dev)
2220 {
2221         int ret;
2222         drm_local_map_t *map;
2223         drm_radeon_private_t *dev_priv = dev->dev_private;
2224
2225         ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
2226                          drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2227                          _DRM_READ_ONLY, &dev_priv->mmio);
2228         if (ret != 0)
2229                 return ret;
2230
2231         ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
2232                          drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2233                          _DRM_WRITE_COMBINING, &map);
2234         if (ret != 0)
2235                 return ret;
2236
2237         return 0;
2238 }
2239
2240 int radeon_driver_unload(struct drm_device *dev)
2241 {
2242         drm_radeon_private_t *dev_priv = dev->dev_private;
2243
2244         DRM_DEBUG("\n");
2245         drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2246
2247         dev->dev_private = NULL;
2248         return 0;
2249 }