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 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 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 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_RB2D_DSTCACHE_CTLSTAT);
 868         tmp |= RADEON_RB2D_DC_FLUSH_ALL;
 869         RADEON_WRITE(RADEON_RB2D_DSTCACHE_CTLSTAT, tmp);
 870
 871         for (i = 0; i < dev_priv->usec_timeout; i++) {
 872                 if (!(RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT)
 873                       & RADEON_RB2D_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 */
1123         RADEON_WRITE(RADEON_MC_FB_LOCATION,
1124                      ((dev_priv->gart_vm_start - 1) & 0xffff0000)
1125                      | (dev_priv->fb_location >> 16));
1126
1127 #if __OS_HAS_AGP
1128         if (!dev_priv->is_pci) {
1129                 RADEON_WRITE(RADEON_MC_AGP_LOCATION,
1130                              (((dev_priv->gart_vm_start - 1 +
1131                                 dev_priv->gart_size) & 0xffff0000) |
1132                               (dev_priv->gart_vm_start >> 16)));
1133
1134                 ring_start = (dev_priv->cp_ring->offset
1135                               - dev->agp->base
1136                               + dev_priv->gart_vm_start);
1137         } else
1138 #endif
1139                 ring_start = (dev_priv->cp_ring->offset
1140                               - (unsigned long)dev->sg->virtual
1141                               + dev_priv->gart_vm_start);
1142
1143         RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
1144
1145         /* Set the write pointer delay */
1146         RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
1147
1148         /* Initialize the ring buffer's read and write pointers */
1149         cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
1150         RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
1151         SET_RING_HEAD(dev_priv, cur_read_ptr);
1152         dev_priv->ring.tail = cur_read_ptr;
1153
1154 #if __OS_HAS_AGP
1155         if (!dev_priv->is_pci) {
1156                 /* set RADEON_AGP_BASE here instead of relying on X from user space */
1157                 RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
1158                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
1159                              dev_priv->ring_rptr->offset
1160                              - dev->agp->base + dev_priv->gart_vm_start);
1161         } else
1162 #endif
1163         {
1164                 drm_sg_mem_t *entry = dev->sg;
1165                 unsigned long tmp_ofs, page_ofs;
1166
1167                 tmp_ofs = dev_priv->ring_rptr->offset -
1168                                 (unsigned long)dev->sg->virtual;
1169                 page_ofs = tmp_ofs >> PAGE_SHIFT;
1170
1171                 RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, entry->busaddr[page_ofs]);
1172                 DRM_DEBUG("ring rptr: offset=0x%08lx handle=0x%08lx\n",
1173                           (unsigned long)entry->busaddr[page_ofs],
1174                           entry->handle + tmp_ofs);
1175         }
1176
1177         /* Initialize the scratch register pointer.  This will cause
1178          * the scratch register values to be written out to memory
1179          * whenever they are updated.
1180          *
1181          * We simply put this behind the ring read pointer, this works
1182          * with PCI GART as well as (whatever kind of) AGP GART
1183          */
1184         RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
1185                      + RADEON_SCRATCH_REG_OFFSET);
1186
1187         dev_priv->scratch = ((__volatile__ u32 *)
1188                              dev_priv->ring_rptr->handle +
1189                              (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
1190
1191         RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
1192
1193         /* Writeback doesn't seem to work everywhere, test it first */
1194         DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
1195         RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
1196
1197         for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
1198                 if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
1199                     0xdeadbeef)
1200                         break;
1201                 DRM_UDELAY(1);
1202         }
1203
1204         if (tmp < dev_priv->usec_timeout) {
1205                 dev_priv->writeback_works = 1;
1206                 DRM_DEBUG("writeback test succeeded, tmp=%d\n", tmp);
1207         } else {
1208                 dev_priv->writeback_works = 0;
1209                 DRM_DEBUG("writeback test failed\n");
1210         }
1211         if (radeon_no_wb == 1) {
1212                 dev_priv->writeback_works = 0;
1213                 DRM_DEBUG("writeback forced off\n");
1214         }
1215
1216         dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1217         RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
1218
1219         dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1220         RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
1221                      dev_priv->sarea_priv->last_dispatch);
1222
1223         dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1224         RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
1225
1226         /* Set ring buffer size */
1227 #ifdef __BIG_ENDIAN
1228         RADEON_WRITE(RADEON_CP_RB_CNTL,
1229                      dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT);
1230 #else
1231         RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw);
1232 #endif
1233
1234         radeon_do_wait_for_idle(dev_priv);
1235
1236         /* Turn on bus mastering */
1237         tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
1238         RADEON_WRITE(RADEON_BUS_CNTL, tmp);
1239
1240         /* Sync everything up */
1241         RADEON_WRITE(RADEON_ISYNC_CNTL,
1242                      (RADEON_ISYNC_ANY2D_IDLE3D |
1243                       RADEON_ISYNC_ANY3D_IDLE2D |
1244                       RADEON_ISYNC_WAIT_IDLEGUI |
1245                       RADEON_ISYNC_CPSCRATCH_IDLEGUI));
1246 }
1247
1248 /* Enable or disable PCI-E GART on the chip */
1249 static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
1250 {
1251         u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
1252         if (on) {
1253
1254                 DRM_DEBUG("programming pcie %08X %08lX %08X\n",
1255                           dev_priv->gart_vm_start,
1256                           (long)dev_priv->gart_info.bus_addr,
1257                           dev_priv->gart_size);
1258                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
1259                                   dev_priv->gart_vm_start);
1260                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
1261                                   dev_priv->gart_info.bus_addr);
1262                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
1263                                   dev_priv->gart_vm_start);
1264                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
1265                                   dev_priv->gart_vm_start +
1266                                   dev_priv->gart_size - 1);
1267
1268                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1269
1270                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1271                                   RADEON_PCIE_TX_GART_EN);
1272         } else {
1273                 RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
1274                                   tmp & ~RADEON_PCIE_TX_GART_EN);
1275         }
1276 }
1277
1278 /* Enable or disable PCI GART on the chip */
1279 static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
1280 {
1281         u32 tmp = RADEON_READ(RADEON_AIC_CNTL);
1282
1283         if (dev_priv->flags & CHIP_IS_PCIE) {
1284                 radeon_set_pciegart(dev_priv, on);
1285                 return;
1286         }
1287
1288         if (on) {
1289                 RADEON_WRITE(RADEON_AIC_CNTL,
1290                              tmp | RADEON_PCIGART_TRANSLATE_EN);
1291
1292                 /* set PCI GART page-table base address
1293                  */
1294                 RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
1295
1296                 /* set address range for PCI address translate
1297                  */
1298                 RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
1299                 RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1300                              + dev_priv->gart_size - 1);
1301
1302                 /* Turn off AGP aperture -- is this required for PCI GART?
1303                  */
1304                 RADEON_WRITE(RADEON_MC_AGP_LOCATION, 0xffffffc0);       /* ?? */
1305                 RADEON_WRITE(RADEON_AGP_COMMAND, 0);    /* clear AGP_COMMAND */
1306         } else {
1307                 RADEON_WRITE(RADEON_AIC_CNTL,
1308                              tmp & ~RADEON_PCIGART_TRANSLATE_EN);
1309         }
1310 }
1311
1312 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
1313 {
1314         drm_radeon_private_t *dev_priv = dev->dev_private;
1315         unsigned int mem_size;
1316
1317         DRM_DEBUG("\n");
1318
1319         dev_priv->is_pci = init->is_pci;
1320
1321         if (dev_priv->is_pci && !dev->sg) {
1322                 DRM_ERROR("PCI GART memory not allocated!\n");
1323                 dev->dev_private = (void *)dev_priv;
1324                 radeon_do_cleanup_cp(dev);
1325                 return DRM_ERR(EINVAL);
1326         }
1327
1328         dev_priv->usec_timeout = init->usec_timeout;
1329         if (dev_priv->usec_timeout < 1 ||
1330             dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
1331                 DRM_DEBUG("TIMEOUT problem!\n");
1332                 dev->dev_private = (void *)dev_priv;
1333                 radeon_do_cleanup_cp(dev);
1334                 return DRM_ERR(EINVAL);
1335         }
1336
1337         switch (init->func) {
1338         case RADEON_INIT_R200_CP:
1339                 dev_priv->microcode_version = UCODE_R200;
1340                 break;
1341         case RADEON_INIT_R300_CP:
1342                 dev_priv->microcode_version = UCODE_R300;
1343                 break;
1344         default:
1345                 dev_priv->microcode_version = UCODE_R100;
1346         }
1347
1348         dev_priv->do_boxes = 0;
1349         dev_priv->cp_mode = init->cp_mode;
1350
1351         /* We don't support anything other than bus-mastering ring mode,
1352          * but the ring can be in either AGP or PCI space for the ring
1353          * read pointer.
1354          */
1355         if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
1356             (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
1357                 DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
1358                 dev->dev_private = (void *)dev_priv;
1359                 radeon_do_cleanup_cp(dev);
1360                 return DRM_ERR(EINVAL);
1361         }
1362
1363         switch (init->fb_bpp) {
1364         case 16:
1365                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1366                 break;
1367         case 32:
1368         default:
1369                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1370                 break;
1371         }
1372         dev_priv->front_offset = init->front_offset;
1373         dev_priv->front_pitch = init->front_pitch;
1374         dev_priv->back_offset = init->back_offset;
1375         dev_priv->back_pitch = init->back_pitch;
1376
1377         switch (init->depth_bpp) {
1378         case 16:
1379                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1380                 break;
1381         case 32:
1382         default:
1383                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1384                 break;
1385         }
1386         dev_priv->depth_offset = init->depth_offset;
1387         dev_priv->depth_pitch = init->depth_pitch;
1388
1389         /* Hardware state for depth clears.  Remove this if/when we no
1390          * longer clear the depth buffer with a 3D rectangle.  Hard-code
1391          * all values to prevent unwanted 3D state from slipping through
1392          * and screwing with the clear operation.
1393          */
1394         dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1395                                            (dev_priv->color_fmt << 10) |
1396                                            (dev_priv->microcode_version ==
1397                                             UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1398
1399         dev_priv->depth_clear.rb3d_zstencilcntl =
1400             (dev_priv->depth_fmt |
1401              RADEON_Z_TEST_ALWAYS |
1402              RADEON_STENCIL_TEST_ALWAYS |
1403              RADEON_STENCIL_S_FAIL_REPLACE |
1404              RADEON_STENCIL_ZPASS_REPLACE |
1405              RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
1406
1407         dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1408                                          RADEON_BFACE_SOLID |
1409                                          RADEON_FFACE_SOLID |
1410                                          RADEON_FLAT_SHADE_VTX_LAST |
1411                                          RADEON_DIFFUSE_SHADE_FLAT |
1412                                          RADEON_ALPHA_SHADE_FLAT |
1413                                          RADEON_SPECULAR_SHADE_FLAT |
1414                                          RADEON_FOG_SHADE_FLAT |
1415                                          RADEON_VTX_PIX_CENTER_OGL |
1416                                          RADEON_ROUND_MODE_TRUNC |
1417                                          RADEON_ROUND_PREC_8TH_PIX);
1418
1419         DRM_GETSAREA();
1420
1421         dev_priv->fb_offset = init->fb_offset;
1422         dev_priv->mmio_offset = init->mmio_offset;
1423         dev_priv->ring_offset = init->ring_offset;
1424         dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1425         dev_priv->buffers_offset = init->buffers_offset;
1426         dev_priv->gart_textures_offset = init->gart_textures_offset;
1427
1428         if (!dev_priv->sarea) {
1429                 DRM_ERROR("could not find sarea!\n");
1430                 dev->dev_private = (void *)dev_priv;
1431                 radeon_do_cleanup_cp(dev);
1432                 return DRM_ERR(EINVAL);
1433         }
1434
1435         dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
1436         if (!dev_priv->mmio) {
1437                 DRM_ERROR("could not find mmio region!\n");
1438                 dev->dev_private = (void *)dev_priv;
1439                 radeon_do_cleanup_cp(dev);
1440                 return DRM_ERR(EINVAL);
1441         }
1442         dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1443         if (!dev_priv->cp_ring) {
1444                 DRM_ERROR("could not find cp ring region!\n");
1445                 dev->dev_private = (void *)dev_priv;
1446                 radeon_do_cleanup_cp(dev);
1447                 return DRM_ERR(EINVAL);
1448         }
1449         dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1450         if (!dev_priv->ring_rptr) {
1451                 DRM_ERROR("could not find ring read pointer!\n");
1452                 dev->dev_private = (void *)dev_priv;
1453                 radeon_do_cleanup_cp(dev);
1454                 return DRM_ERR(EINVAL);
1455         }
1456         dev->agp_buffer_token = init->buffers_offset;
1457         dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1458         if (!dev->agp_buffer_map) {
1459                 DRM_ERROR("could not find dma buffer region!\n");
1460                 dev->dev_private = (void *)dev_priv;
1461                 radeon_do_cleanup_cp(dev);
1462                 return DRM_ERR(EINVAL);
1463         }
1464
1465         if (init->gart_textures_offset) {
1466                 dev_priv->gart_textures =
1467                     drm_core_findmap(dev, init->gart_textures_offset);
1468                 if (!dev_priv->gart_textures) {
1469                         DRM_ERROR("could not find GART texture region!\n");
1470                         dev->dev_private = (void *)dev_priv;
1471                         radeon_do_cleanup_cp(dev);
1472                         return DRM_ERR(EINVAL);
1473                 }
1474         }
1475
1476         dev_priv->sarea_priv =
1477             (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
1478                                     init->sarea_priv_offset);
1479
1480 #if __OS_HAS_AGP
1481         if (!dev_priv->is_pci) {
1482                 drm_core_ioremap(dev_priv->cp_ring, dev);
1483                 drm_core_ioremap(dev_priv->ring_rptr, dev);
1484                 drm_core_ioremap(dev->agp_buffer_map, dev);
1485                 if (!dev_priv->cp_ring->handle ||
1486                     !dev_priv->ring_rptr->handle ||
1487                     !dev->agp_buffer_map->handle) {
1488                         DRM_ERROR("could not find ioremap agp regions!\n");
1489                         dev->dev_private = (void *)dev_priv;
1490                         radeon_do_cleanup_cp(dev);
1491                         return DRM_ERR(EINVAL);
1492                 }
1493         } else
1494 #endif
1495         {
1496                 dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset;
1497                 dev_priv->ring_rptr->handle =
1498                     (void *)dev_priv->ring_rptr->offset;
1499                 dev->agp_buffer_map->handle =
1500                     (void *)dev->agp_buffer_map->offset;
1501
1502                 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1503                           dev_priv->cp_ring->handle);
1504                 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1505                           dev_priv->ring_rptr->handle);
1506                 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1507                           dev->agp_buffer_map->handle);
1508         }
1509
1510         dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION)
1511                                  & 0xffff) << 16;
1512
1513         dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
1514                                         ((dev_priv->front_offset
1515                                           + dev_priv->fb_location) >> 10));
1516
1517         dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
1518                                        ((dev_priv->back_offset
1519                                          + dev_priv->fb_location) >> 10));
1520
1521         dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
1522                                         ((dev_priv->depth_offset
1523                                           + dev_priv->fb_location) >> 10));
1524
1525         dev_priv->gart_size = init->gart_size;
1526
1527         mem_size = RADEON_READ(RADEON_CONFIG_MEMSIZE);
1528         if (mem_size == 0)
1529                 mem_size = 0x800000;
1530         dev_priv->gart_vm_start = dev_priv->fb_location + mem_size;
1531
1532 #if __OS_HAS_AGP
1533         if (!dev_priv->is_pci)
1534                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1535                                                  - dev->agp->base
1536                                                  + dev_priv->gart_vm_start);
1537         else
1538 #endif
1539                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1540                                         - (unsigned long)dev->sg->virtual
1541                                         + dev_priv->gart_vm_start);
1542
1543         DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
1544         DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
1545         DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
1546                   dev_priv->gart_buffers_offset);
1547
1548         dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
1549         dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
1550                               + init->ring_size / sizeof(u32));
1551         dev_priv->ring.size = init->ring_size;
1552         dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
1553
1554         dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
1555
1556         dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1557
1558 #if __OS_HAS_AGP
1559         if (!dev_priv->is_pci) {
1560                 /* Turn off PCI GART */
1561                 radeon_set_pcigart(dev_priv, 0);
1562         } else
1563 #endif
1564         {
1565                 /* if we have an offset set from userspace */
1566                 if (dev_priv->pcigart_offset) {
1567                         dev_priv->gart_info.bus_addr =
1568                             dev_priv->pcigart_offset + dev_priv->fb_location;
1569                         dev_priv->gart_info.addr =
1570                             (unsigned long)drm_ioremap(dev_priv->gart_info.
1571                                                        bus_addr,
1572                                                        RADEON_PCIGART_TABLE_SIZE,
1573                                                        dev);
1574
1575                         dev_priv->gart_info.is_pcie =
1576                             !!(dev_priv->flags & CHIP_IS_PCIE);
1577                         dev_priv->gart_info.gart_table_location =
1578                             DRM_ATI_GART_FB;
1579
1580                         DRM_DEBUG("Setting phys_pci_gart to %08lX %08lX\n",
1581                                   dev_priv->gart_info.addr,
1582                                   dev_priv->pcigart_offset);
1583                 } else {
1584                         dev_priv->gart_info.gart_table_location =
1585                             DRM_ATI_GART_MAIN;
1586                         dev_priv->gart_info.addr =
1587                             dev_priv->gart_info.bus_addr = 0;
1588                         if (dev_priv->flags & CHIP_IS_PCIE) {
1589                                 DRM_ERROR
1590                                     ("Cannot use PCI Express without GART in FB memory\n");
1591                                 radeon_do_cleanup_cp(dev);
1592                                 return DRM_ERR(EINVAL);
1593                         }
1594                 }
1595
1596                 if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
1597                         DRM_ERROR("failed to init PCI GART!\n");
1598                         dev->dev_private = (void *)dev_priv;
1599                         radeon_do_cleanup_cp(dev);
1600                         return DRM_ERR(ENOMEM);
1601                 }
1602
1603                 /* Turn on PCI GART */
1604                 radeon_set_pcigart(dev_priv, 1);
1605         }
1606
1607         radeon_cp_load_microcode(dev_priv);
1608         radeon_cp_init_ring_buffer(dev, dev_priv);
1609
1610         dev_priv->last_buf = 0;
1611
1612         dev->dev_private = (void *)dev_priv;
1613
1614         radeon_do_engine_reset(dev);
1615
1616         return 0;
1617 }
1618
1619 static int radeon_do_cleanup_cp(drm_device_t * dev)
1620 {
1621         drm_radeon_private_t *dev_priv = dev->dev_private;
1622         DRM_DEBUG("\n");
1623
1624         /* Make sure interrupts are disabled here because the uninstall ioctl
1625          * may not have been called from userspace and after dev_private
1626          * is freed, it's too late.
1627          */
1628         if (dev->irq_enabled)
1629                 drm_irq_uninstall(dev);
1630
1631 #if __OS_HAS_AGP
1632         if (!dev_priv->is_pci) {
1633                 if (dev_priv->cp_ring != NULL)
1634                         drm_core_ioremapfree(dev_priv->cp_ring, dev);
1635                 if (dev_priv->ring_rptr != NULL)
1636                         drm_core_ioremapfree(dev_priv->ring_rptr, dev);
1637                 if (dev->agp_buffer_map != NULL) {
1638                         drm_core_ioremapfree(dev->agp_buffer_map, dev);
1639                         dev->agp_buffer_map = NULL;
1640                 }
1641         } else
1642 #endif
1643         {
1644                 if (dev_priv->gart_info.bus_addr)
1645                         if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
1646                                 DRM_ERROR("failed to cleanup PCI GART!\n");
1647
1648                 if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) {
1649                         drm_ioremapfree((void *)dev_priv->gart_info.addr,
1650                                         RADEON_PCIGART_TABLE_SIZE, dev);
1651                         dev_priv->gart_info.addr = 0;
1652                 }
1653         }
1654
1655         /* only clear to the start of flags */
1656         memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1657
1658         return 0;
1659 }
1660
1661 /* This code will reinit the Radeon CP hardware after a resume from disc.
1662  * AFAIK, it would be very difficult to pickle the state at suspend time, so
1663  * here we make sure that all Radeon hardware initialisation is re-done without
1664  * affecting running applications.
1665  *
1666  * Charl P. Botha <http://cpbotha.net>
1667  */
1668 static int radeon_do_resume_cp(drm_device_t * dev)
1669 {
1670         drm_radeon_private_t *dev_priv = dev->dev_private;
1671
1672         if (!dev_priv) {
1673                 DRM_ERROR("Called with no initialization\n");
1674                 return DRM_ERR(EINVAL);
1675         }
1676
1677         DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1678
1679 #if __OS_HAS_AGP
1680         if (!dev_priv->is_pci) {
1681                 /* Turn off PCI GART */
1682                 radeon_set_pcigart(dev_priv, 0);
1683         } else
1684 #endif
1685         {
1686                 /* Turn on PCI GART */
1687                 radeon_set_pcigart(dev_priv, 1);
1688         }
1689
1690         radeon_cp_load_microcode(dev_priv);
1691         radeon_cp_init_ring_buffer(dev, dev_priv);
1692
1693         radeon_do_engine_reset(dev);
1694
1695         DRM_DEBUG("radeon_do_resume_cp() complete\n");
1696
1697         return 0;
1698 }
1699
1700 int radeon_cp_init(DRM_IOCTL_ARGS)
1701 {
1702         DRM_DEVICE;
1703         drm_radeon_init_t init;
1704
1705         LOCK_TEST_WITH_RETURN(dev, filp);
1706
1707         DRM_COPY_FROM_USER_IOCTL(init, (drm_radeon_init_t __user *) data,
1708                                  sizeof(init));
1709
1710         if (init.func == RADEON_INIT_R300_CP)
1711                 r300_init_reg_flags();
1712
1713         switch (init.func) {
1714         case RADEON_INIT_CP:
1715         case RADEON_INIT_R200_CP:
1716         case RADEON_INIT_R300_CP:
1717                 return radeon_do_init_cp(dev, &init);
1718         case RADEON_CLEANUP_CP:
1719                 return radeon_do_cleanup_cp(dev);
1720         }
1721
1722         return DRM_ERR(EINVAL);
1723 }
1724
1725 int radeon_cp_start(DRM_IOCTL_ARGS)
1726 {
1727         DRM_DEVICE;
1728         drm_radeon_private_t *dev_priv = dev->dev_private;
1729         DRM_DEBUG("\n");
1730
1731         LOCK_TEST_WITH_RETURN(dev, filp);
1732
1733         if (dev_priv->cp_running) {
1734                 DRM_DEBUG("%s while CP running\n", __FUNCTION__);
1735                 return 0;
1736         }
1737         if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
1738                 DRM_DEBUG("%s called with bogus CP mode (%d)\n",
1739                           __FUNCTION__, dev_priv->cp_mode);
1740                 return 0;
1741         }
1742
1743         radeon_do_cp_start(dev_priv);
1744
1745         return 0;
1746 }
1747
1748 /* Stop the CP.  The engine must have been idled before calling this
1749  * routine.
1750  */
1751 int radeon_cp_stop(DRM_IOCTL_ARGS)
1752 {
1753         DRM_DEVICE;
1754         drm_radeon_private_t *dev_priv = dev->dev_private;
1755         drm_radeon_cp_stop_t stop;
1756         int ret;
1757         DRM_DEBUG("\n");
1758
1759         LOCK_TEST_WITH_RETURN(dev, filp);
1760
1761         DRM_COPY_FROM_USER_IOCTL(stop, (drm_radeon_cp_stop_t __user *) data,
1762                                  sizeof(stop));
1763
1764         if (!dev_priv->cp_running)
1765                 return 0;
1766
1767         /* Flush any pending CP commands.  This ensures any outstanding
1768          * commands are exectuted by the engine before we turn it off.
1769          */
1770         if (stop.flush) {
1771                 radeon_do_cp_flush(dev_priv);
1772         }
1773
1774         /* If we fail to make the engine go idle, we return an error
1775          * code so that the DRM ioctl wrapper can try again.
1776          */
1777         if (stop.idle) {
1778                 ret = radeon_do_cp_idle(dev_priv);
1779                 if (ret)
1780                         return ret;
1781         }
1782
1783         /* Finally, we can turn off the CP.  If the engine isn't idle,
1784          * we will get some dropped triangles as they won't be fully
1785          * rendered before the CP is shut down.
1786          */
1787         radeon_do_cp_stop(dev_priv);
1788
1789         /* Reset the engine */
1790         radeon_do_engine_reset(dev);
1791
1792         return 0;
1793 }
1794
1795 void radeon_do_release(drm_device_t * dev)
1796 {
1797         drm_radeon_private_t *dev_priv = dev->dev_private;
1798         int i, ret;
1799
1800         if (dev_priv) {
1801                 if (dev_priv->cp_running) {
1802                         /* Stop the cp */
1803                         while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
1804                                 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1805 #ifdef __linux__
1806                                 schedule();
1807 #else
1808                                 tsleep(&ret, PZERO, "rdnrel", 1);
1809 #endif
1810                         }
1811                         radeon_do_cp_stop(dev_priv);
1812                         radeon_do_engine_reset(dev);
1813                 }
1814
1815                 /* Disable *all* interrupts */
1816                 if (dev_priv->mmio)     /* remove this after permanent addmaps */
1817                         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
1818
1819                 if (dev_priv->mmio) {   /* remove all surfaces */
1820                         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1821                                 RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
1822                                 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
1823                                              16 * i, 0);
1824                                 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
1825                                              16 * i, 0);
1826                         }
1827                 }
1828
1829                 /* Free memory heap structures */
1830                 radeon_mem_takedown(&(dev_priv->gart_heap));
1831                 radeon_mem_takedown(&(dev_priv->fb_heap));
1832
1833                 /* deallocate kernel resources */
1834                 radeon_do_cleanup_cp(dev);
1835         }
1836 }
1837
1838 /* Just reset the CP ring.  Called as part of an X Server engine reset.
1839  */
1840 int radeon_cp_reset(DRM_IOCTL_ARGS)
1841 {
1842         DRM_DEVICE;
1843         drm_radeon_private_t *dev_priv = dev->dev_private;
1844         DRM_DEBUG("\n");
1845
1846         LOCK_TEST_WITH_RETURN(dev, filp);
1847
1848         if (!dev_priv) {
1849                 DRM_DEBUG("%s called before init done\n", __FUNCTION__);
1850                 return DRM_ERR(EINVAL);
1851         }
1852
1853         radeon_do_cp_reset(dev_priv);
1854
1855         /* The CP is no longer running after an engine reset */
1856         dev_priv->cp_running = 0;
1857
1858         return 0;
1859 }
1860
1861 int radeon_cp_idle(DRM_IOCTL_ARGS)
1862 {
1863         DRM_DEVICE;
1864         drm_radeon_private_t *dev_priv = dev->dev_private;
1865         DRM_DEBUG("\n");
1866
1867         LOCK_TEST_WITH_RETURN(dev, filp);
1868
1869         return radeon_do_cp_idle(dev_priv);
1870 }
1871
1872 /* Added by Charl P. Botha to call radeon_do_resume_cp().
1873  */
1874 int radeon_cp_resume(DRM_IOCTL_ARGS)
1875 {
1876         DRM_DEVICE;
1877
1878         return radeon_do_resume_cp(dev);
1879 }
1880
1881 int radeon_engine_reset(DRM_IOCTL_ARGS)
1882 {
1883         DRM_DEVICE;
1884         DRM_DEBUG("\n");
1885
1886         LOCK_TEST_WITH_RETURN(dev, filp);
1887
1888         return radeon_do_engine_reset(dev);
1889 }
1890
1891 /* ================================================================
1892  * Fullscreen mode
1893  */
1894
1895 /* KW: Deprecated to say the least:
1896  */
1897 int radeon_fullscreen(DRM_IOCTL_ARGS)
1898 {
1899         return 0;
1900 }
1901
1902 /* ================================================================
1903  * Freelist management
1904  */
1905
1906 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
1907  *   bufs until freelist code is used.  Note this hides a problem with
1908  *   the scratch register * (used to keep track of last buffer
1909  *   completed) being written to before * the last buffer has actually
1910  *   completed rendering.
1911  *
1912  * KW:  It's also a good way to find free buffers quickly.
1913  *
1914  * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
1915  * sleep.  However, bugs in older versions of radeon_accel.c mean that
1916  * we essentially have to do this, else old clients will break.
1917  *
1918  * However, it does leave open a potential deadlock where all the
1919  * buffers are held by other clients, which can't release them because
1920  * they can't get the lock.
1921  */
1922
1923 drm_buf_t *radeon_freelist_get(drm_device_t * dev)
1924 {
1925         drm_device_dma_t *dma = dev->dma;
1926         drm_radeon_private_t *dev_priv = dev->dev_private;
1927         drm_radeon_buf_priv_t *buf_priv;
1928         drm_buf_t *buf;
1929         int i, t;
1930         int start;
1931
1932         if (++dev_priv->last_buf >= dma->buf_count)
1933                 dev_priv->last_buf = 0;
1934
1935         start = dev_priv->last_buf;
1936
1937         for (t = 0; t < dev_priv->usec_timeout; t++) {
1938                 u32 done_age = GET_SCRATCH(1);
1939                 DRM_DEBUG("done_age = %d\n", done_age);
1940                 for (i = start; i < dma->buf_count; i++) {
1941                         buf = dma->buflist[i];
1942                         buf_priv = buf->dev_private;
1943                         if (buf->filp == 0 || (buf->pending &&
1944                                                buf_priv->age <= done_age)) {
1945                                 dev_priv->stats.requested_bufs++;
1946                                 buf->pending = 0;
1947                                 return buf;
1948                         }
1949                         start = 0;
1950                 }
1951
1952                 if (t) {
1953                         DRM_UDELAY(1);
1954                         dev_priv->stats.freelist_loops++;
1955                 }
1956         }
1957
1958         DRM_DEBUG("returning NULL!\n");
1959         return NULL;
1960 }
1961
1962 #if 0
1963 drm_buf_t *radeon_freelist_get(drm_device_t * dev)
1964 {
1965         drm_device_dma_t *dma = dev->dma;
1966         drm_radeon_private_t *dev_priv = dev->dev_private;
1967         drm_radeon_buf_priv_t *buf_priv;
1968         drm_buf_t *buf;
1969         int i, t;
1970         int start;
1971         u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
1972
1973         if (++dev_priv->last_buf >= dma->buf_count)
1974                 dev_priv->last_buf = 0;
1975
1976         start = dev_priv->last_buf;
1977         dev_priv->stats.freelist_loops++;
1978
1979         for (t = 0; t < 2; t++) {
1980                 for (i = start; i < dma->buf_count; i++) {
1981                         buf = dma->buflist[i];
1982                         buf_priv = buf->dev_private;
1983                         if (buf->filp == 0 || (buf->pending &&
1984                                                buf_priv->age <= done_age)) {
1985                                 dev_priv->stats.requested_bufs++;
1986                                 buf->pending = 0;
1987                                 return buf;
1988                         }
1989                 }
1990                 start = 0;
1991         }
1992
1993         return NULL;
1994 }
1995 #endif
1996
1997 void radeon_freelist_reset(drm_device_t * dev)
1998 {
1999         drm_device_dma_t *dma = dev->dma;
2000         drm_radeon_private_t *dev_priv = dev->dev_private;
2001         int i;
2002
2003         dev_priv->last_buf = 0;
2004         for (i = 0; i < dma->buf_count; i++) {
2005                 drm_buf_t *buf = dma->buflist[i];
2006                 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
2007                 buf_priv->age = 0;
2008         }
2009 }
2010
2011 /* ================================================================
2012  * CP command submission
2013  */
2014
2015 int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
2016 {
2017         drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
2018         int i;
2019         u32 last_head = GET_RING_HEAD(dev_priv);
2020
2021         for (i = 0; i < dev_priv->usec_timeout; i++) {
2022                 u32 head = GET_RING_HEAD(dev_priv);
2023
2024                 ring->space = (head - ring->tail) * sizeof(u32);
2025                 if (ring->space <= 0)
2026                         ring->space += ring->size;
2027                 if (ring->space > n)
2028                         return 0;
2029
2030                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
2031
2032                 if (head != last_head)
2033                         i = 0;
2034                 last_head = head;
2035
2036                 DRM_UDELAY(1);
2037         }
2038
2039         /* FIXME: This return value is ignored in the BEGIN_RING macro! */
2040 #if RADEON_FIFO_DEBUG
2041         radeon_status(dev_priv);
2042         DRM_ERROR("failed!\n");
2043 #endif
2044         return DRM_ERR(EBUSY);
2045 }
2046
2047 static int radeon_cp_get_buffers(DRMFILE filp, drm_device_t * dev,
2048                                  drm_dma_t * d)
2049 {
2050         int i;
2051         drm_buf_t *buf;
2052
2053         for (i = d->granted_count; i < d->request_count; i++) {
2054                 buf = radeon_freelist_get(dev);
2055                 if (!buf)
2056                         return DRM_ERR(EBUSY);  /* NOTE: broken client */
2057
2058                 buf->filp = filp;
2059
2060                 if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
2061                                      sizeof(buf->idx)))
2062                         return DRM_ERR(EFAULT);
2063                 if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
2064                                      sizeof(buf->total)))
2065                         return DRM_ERR(EFAULT);
2066
2067                 d->granted_count++;
2068         }
2069         return 0;
2070 }
2071
2072 int radeon_cp_buffers(DRM_IOCTL_ARGS)
2073 {
2074         DRM_DEVICE;
2075         drm_device_dma_t *dma = dev->dma;
2076         int ret = 0;
2077         drm_dma_t __user *argp = (void __user *)data;
2078         drm_dma_t d;
2079
2080         LOCK_TEST_WITH_RETURN(dev, filp);
2081
2082         DRM_COPY_FROM_USER_IOCTL(d, argp, sizeof(d));
2083
2084         /* Please don't send us buffers.
2085          */
2086         if (d.send_count != 0) {
2087                 DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
2088                           DRM_CURRENTPID, d.send_count);
2089                 return DRM_ERR(EINVAL);
2090         }
2091
2092         /* We'll send you buffers.
2093          */
2094         if (d.request_count < 0 || d.request_count > dma->buf_count) {
2095                 DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
2096                           DRM_CURRENTPID, d.request_count, dma->buf_count);
2097                 return DRM_ERR(EINVAL);
2098         }
2099
2100         d.granted_count = 0;
2101
2102         if (d.request_count) {
2103                 ret = radeon_cp_get_buffers(filp, dev, &d);
2104         }
2105
2106         DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d));
2107
2108         return ret;
2109 }
2110
2111 int radeon_driver_preinit(struct drm_device *dev, unsigned long flags)
2112 {
2113         drm_radeon_private_t *dev_priv;
2114         int ret = 0;
2115
2116         dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2117         if (dev_priv == NULL)
2118                 return DRM_ERR(ENOMEM);
2119
2120         memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2121         dev->dev_private = (void *)dev_priv;
2122         dev_priv->flags = flags;
2123
2124         switch (flags & CHIP_FAMILY_MASK) {
2125         case CHIP_R100:
2126         case CHIP_RV200:
2127         case CHIP_R200:
2128         case CHIP_R300:
2129         case CHIP_R420:
2130                 dev_priv->flags |= CHIP_HAS_HIERZ;
2131                 break;
2132         default:
2133                 /* all other chips have no hierarchical z buffer */
2134                 break;
2135         }
2136
2137         if (drm_device_is_agp(dev))
2138                 dev_priv->flags |= CHIP_IS_AGP;
2139
2140         if (drm_device_is_pcie(dev))
2141                 dev_priv->flags |= CHIP_IS_PCIE;
2142
2143         DRM_DEBUG("%s card detected\n",
2144                   ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : "PCI"));
2145         return ret;
2146 }
2147
2148 int radeon_presetup(struct drm_device *dev)
2149 {
2150         int ret;
2151         drm_local_map_t *map;
2152         drm_radeon_private_t *dev_priv = dev->dev_private;
2153
2154         ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
2155                          drm_get_resource_len(dev, 2), _DRM_REGISTERS,
2156                          _DRM_READ_ONLY, &dev_priv->mmio);
2157         if (ret != 0)
2158                 return ret;
2159
2160         ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
2161                          drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
2162                          _DRM_WRITE_COMBINING, &map);
2163         if (ret != 0)
2164                 return ret;
2165
2166         return 0;
2167 }
2168
2169 int radeon_driver_postcleanup(struct drm_device *dev)
2170 {
2171         drm_radeon_private_t *dev_priv = dev->dev_private;
2172
2173         DRM_DEBUG("\n");
2174
2175         drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2176
2177         dev->dev_private = NULL;
2178         return 0;
2179 }