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
  36 #define RADEON_FIFO_DEBUG       0
  37
  38 static int radeon_do_cleanup_cp( drm_device_t *dev );
  39
  40 /* CP microcode (from ATI) */
  41 static u32 R200_cp_microcode[][2] = {
  42         { 0x21007000, 0000000000 },
  43         { 0x20007000, 0000000000 },
  44         { 0x000000ab, 0x00000004 },
  45         { 0x000000af, 0x00000004 },
  46         { 0x66544a49, 0000000000 },
  47         { 0x49494174, 0000000000 },
  48         { 0x54517d83, 0000000000 },
  49         { 0x498d8b64, 0000000000 },
  50         { 0x49494949, 0000000000 },
  51         { 0x49da493c, 0000000000 },
  52         { 0x49989898, 0000000000 },
  53         { 0xd34949d5, 0000000000 },
  54         { 0x9dc90e11, 0000000000 },
  55         { 0xce9b9b9b, 0000000000 },
  56         { 0x000f0000, 0x00000016 },
  57         { 0x352e232c, 0000000000 },
  58         { 0x00000013, 0x00000004 },
  59         { 0x000f0000, 0x00000016 },
  60         { 0x352e272c, 0000000000 },
  61         { 0x000f0001, 0x00000016 },
  62         { 0x3239362f, 0000000000 },
  63         { 0x000077ef, 0x00000002 },
  64         { 0x00061000, 0x00000002 },
  65         { 0x00000020, 0x0000001a },
  66         { 0x00004000, 0x0000001e },
  67         { 0x00061000, 0x00000002 },
  68         { 0x00000020, 0x0000001a },
  69         { 0x00004000, 0x0000001e },
  70         { 0x00061000, 0x00000002 },
  71         { 0x00000020, 0x0000001a },
  72         { 0x00004000, 0x0000001e },
  73         { 0x00000016, 0x00000004 },
  74         { 0x0003802a, 0x00000002 },
  75         { 0x040067e0, 0x00000002 },
  76         { 0x00000016, 0x00000004 },
  77         { 0x000077e0, 0x00000002 },
  78         { 0x00065000, 0x00000002 },
  79         { 0x000037e1, 0x00000002 },
  80         { 0x040067e1, 0x00000006 },
  81         { 0x000077e0, 0x00000002 },
  82         { 0x000077e1, 0x00000002 },
  83         { 0x000077e1, 0x00000006 },
  84         { 0xffffffff, 0000000000 },
  85         { 0x10000000, 0000000000 },
  86         { 0x0003802a, 0x00000002 },
  87         { 0x040067e0, 0x00000006 },
  88         { 0x00007675, 0x00000002 },
  89         { 0x00007676, 0x00000002 },
  90         { 0x00007677, 0x00000002 },
  91         { 0x00007678, 0x00000006 },
  92         { 0x0003802b, 0x00000002 },
  93         { 0x04002676, 0x00000002 },
  94         { 0x00007677, 0x00000002 },
  95         { 0x00007678, 0x00000006 },
  96         { 0x0000002e, 0x00000018 },
  97         { 0x0000002e, 0x00000018 },
  98         { 0000000000, 0x00000006 },
  99         { 0x0000002f, 0x00000018 },
 100         { 0x0000002f, 0x00000018 },
 101         { 0000000000, 0x00000006 },
 102         { 0x01605000, 0x00000002 },
 103         { 0x00065000, 0x00000002 },
 104         { 0x00098000, 0x00000002 },
 105         { 0x00061000, 0x00000002 },
 106         { 0x64c0603d, 0x00000004 },
 107         { 0x00080000, 0x00000016 },
 108         { 0000000000, 0000000000 },
 109         { 0x0400251d, 0x00000002 },
 110         { 0x00007580, 0x00000002 },
 111         { 0x00067581, 0x00000002 },
 112         { 0x04002580, 0x00000002 },
 113         { 0x00067581, 0x00000002 },
 114         { 0x00000046, 0x00000004 },
 115         { 0x00005000, 0000000000 },
 116         { 0x00061000, 0x00000002 },
 117         { 0x0000750e, 0x00000002 },
 118         { 0x00019000, 0x00000002 },
 119         { 0x00011055, 0x00000014 },
 120         { 0x00000055, 0x00000012 },
 121         { 0x0400250f, 0x00000002 },
 122         { 0x0000504a, 0x00000004 },
 123         { 0x00007565, 0x00000002 },
 124         { 0x00007566, 0x00000002 },
 125         { 0x00000051, 0x00000004 },
 126         { 0x01e655b4, 0x00000002 },
 127         { 0x4401b0dc, 0x00000002 },
 128         { 0x01c110dc, 0x00000002 },
 129         { 0x2666705d, 0x00000018 },
 130         { 0x040c2565, 0x00000002 },
 131         { 0x0000005d, 0x00000018 },
 132         { 0x04002564, 0x00000002 },
 133         { 0x00007566, 0x00000002 },
 134         { 0x00000054, 0x00000004 },
 135         { 0x00401060, 0x00000008 },
 136         { 0x00101000, 0x00000002 },
 137         { 0x000d80ff, 0x00000002 },
 138         { 0x00800063, 0x00000008 },
 139         { 0x000f9000, 0x00000002 },
 140         { 0x000e00ff, 0x00000002 },
 141         { 0000000000, 0x00000006 },
 142         { 0x00000080, 0x00000018 },
 143         { 0x00000054, 0x00000004 },
 144         { 0x00007576, 0x00000002 },
 145         { 0x00065000, 0x00000002 },
 146         { 0x00009000, 0x00000002 },
 147         { 0x00041000, 0x00000002 },
 148         { 0x0c00350e, 0x00000002 },
 149         { 0x00049000, 0x00000002 },
 150         { 0x00051000, 0x00000002 },
 151         { 0x01e785f8, 0x00000002 },
 152         { 0x00200000, 0x00000002 },
 153         { 0x00600073, 0x0000000c },
 154         { 0x00007563, 0x00000002 },
 155         { 0x006075f0, 0x00000021 },
 156         { 0x20007068, 0x00000004 },
 157         { 0x00005068, 0x00000004 },
 158         { 0x00007576, 0x00000002 },
 159         { 0x00007577, 0x00000002 },
 160         { 0x0000750e, 0x00000002 },
 161         { 0x0000750f, 0x00000002 },
 162         { 0x00a05000, 0x00000002 },
 163         { 0x00600076, 0x0000000c },
 164         { 0x006075f0, 0x00000021 },
 165         { 0x000075f8, 0x00000002 },
 166         { 0x00000076, 0x00000004 },
 167         { 0x000a750e, 0x00000002 },
 168         { 0x0020750f, 0x00000002 },
 169         { 0x00600079, 0x00000004 },
 170         { 0x00007570, 0x00000002 },
 171         { 0x00007571, 0x00000002 },
 172         { 0x00007572, 0x00000006 },
 173         { 0x00005000, 0x00000002 },
 174         { 0x00a05000, 0x00000002 },
 175         { 0x00007568, 0x00000002 },
 176         { 0x00061000, 0x00000002 },
 177         { 0x00000084, 0x0000000c },
 178         { 0x00058000, 0x00000002 },
 179         { 0x0c607562, 0x00000002 },
 180         { 0x00000086, 0x00000004 },
 181         { 0x00600085, 0x00000004 },
 182         { 0x400070dd, 0000000000 },
 183         { 0x000380dd, 0x00000002 },
 184         { 0x00000093, 0x0000001c },
 185         { 0x00065095, 0x00000018 },
 186         { 0x040025bb, 0x00000002 },
 187         { 0x00061096, 0x00000018 },
 188         { 0x040075bc, 0000000000 },
 189         { 0x000075bb, 0x00000002 },
 190         { 0x000075bc, 0000000000 },
 191         { 0x00090000, 0x00000006 },
 192         { 0x00090000, 0x00000002 },
 193         { 0x000d8002, 0x00000006 },
 194         { 0x00005000, 0x00000002 },
 195         { 0x00007821, 0x00000002 },
 196         { 0x00007800, 0000000000 },
 197         { 0x00007821, 0x00000002 },
 198         { 0x00007800, 0000000000 },
 199         { 0x01665000, 0x00000002 },
 200         { 0x000a0000, 0x00000002 },
 201         { 0x000671cc, 0x00000002 },
 202         { 0x0286f1cd, 0x00000002 },
 203         { 0x000000a3, 0x00000010 },
 204         { 0x21007000, 0000000000 },
 205         { 0x000000aa, 0x0000001c },
 206         { 0x00065000, 0x00000002 },
 207         { 0x000a0000, 0x00000002 },
 208         { 0x00061000, 0x00000002 },
 209         { 0x000b0000, 0x00000002 },
 210         { 0x38067000, 0x00000002 },
 211         { 0x000a00a6, 0x00000004 },
 212         { 0x20007000, 0000000000 },
 213         { 0x01200000, 0x00000002 },
 214         { 0x20077000, 0x00000002 },
 215         { 0x01200000, 0x00000002 },
 216         { 0x20007000, 0000000000 },
 217         { 0x00061000, 0x00000002 },
 218         { 0x0120751b, 0x00000002 },
 219         { 0x8040750a, 0x00000002 },
 220         { 0x8040750b, 0x00000002 },
 221         { 0x00110000, 0x00000002 },
 222         { 0x000380dd, 0x00000002 },
 223         { 0x000000bd, 0x0000001c },
 224         { 0x00061096, 0x00000018 },
 225         { 0x844075bd, 0x00000002 },
 226         { 0x00061095, 0x00000018 },
 227         { 0x840075bb, 0x00000002 },
 228         { 0x00061096, 0x00000018 },
 229         { 0x844075bc, 0x00000002 },
 230         { 0x000000c0, 0x00000004 },
 231         { 0x804075bd, 0x00000002 },
 232         { 0x800075bb, 0x00000002 },
 233         { 0x804075bc, 0x00000002 },
 234         { 0x00108000, 0x00000002 },
 235         { 0x01400000, 0x00000002 },
 236         { 0x006000c4, 0x0000000c },
 237         { 0x20c07000, 0x00000020 },
 238         { 0x000000c6, 0x00000012 },
 239         { 0x00800000, 0x00000006 },
 240         { 0x0080751d, 0x00000006 },
 241         { 0x000025bb, 0x00000002 },
 242         { 0x000040c0, 0x00000004 },
 243         { 0x0000775c, 0x00000002 },
 244         { 0x00a05000, 0x00000002 },
 245         { 0x00661000, 0x00000002 },
 246         { 0x0460275d, 0x00000020 },
 247         { 0x00004000, 0000000000 },
 248         { 0x00007999, 0x00000002 },
 249         { 0x00a05000, 0x00000002 },
 250         { 0x00661000, 0x00000002 },
 251         { 0x0460299b, 0x00000020 },
 252         { 0x00004000, 0000000000 },
 253         { 0x01e00830, 0x00000002 },
 254         { 0x21007000, 0000000000 },
 255         { 0x00005000, 0x00000002 },
 256         { 0x00038042, 0x00000002 },
 257         { 0x040025e0, 0x00000002 },
 258         { 0x000075e1, 0000000000 },
 259         { 0x00000001, 0000000000 },
 260         { 0x000380d9, 0x00000002 },
 261         { 0x04007394, 0000000000 },
 262         { 0000000000, 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 };
 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 #if RADEON_FIFO_DEBUG
 828 static void radeon_status( drm_radeon_private_t *dev_priv )
 829 {
 830         printk( "%s:\n", __FUNCTION__ );
 831         printk( "RBBM_STATUS = 0x%08x\n",
 832                 (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) );
 833         printk( "CP_RB_RTPR = 0x%08x\n",
 834                 (unsigned int)RADEON_READ( RADEON_CP_RB_RPTR ) );
 835         printk( "CP_RB_WTPR = 0x%08x\n",
 836                 (unsigned int)RADEON_READ( RADEON_CP_RB_WPTR ) );
 837         printk( "AIC_CNTL = 0x%08x\n",
 838                 (unsigned int)RADEON_READ( RADEON_AIC_CNTL ) );
 839         printk( "AIC_STAT = 0x%08x\n",
 840                 (unsigned int)RADEON_READ( RADEON_AIC_STAT ) );
 841         printk( "AIC_PT_BASE = 0x%08x\n",
 842                 (unsigned int)RADEON_READ( RADEON_AIC_PT_BASE ) );
 843         printk( "TLB_ADDR = 0x%08x\n",
 844                 (unsigned int)RADEON_READ( RADEON_AIC_TLB_ADDR ) );
 845         printk( "TLB_DATA = 0x%08x\n",
 846                 (unsigned int)RADEON_READ( RADEON_AIC_TLB_DATA ) );
 847 }
 848 #endif
 849
 850
 851 /* ================================================================
 852  * Engine, FIFO control
 853  */
 854
 855 static int radeon_do_pixcache_flush( drm_radeon_private_t *dev_priv )
 856 {
 857         u32 tmp;
 858         int i;
 859
 860         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 861
 862         tmp  = RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT );
 863         tmp |= RADEON_RB2D_DC_FLUSH_ALL;
 864         RADEON_WRITE( RADEON_RB2D_DSTCACHE_CTLSTAT, tmp );
 865
 866         for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
 867                 if ( !(RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT )
 868                        & RADEON_RB2D_DC_BUSY) ) {
 869                         return 0;
 870                 }
 871                 DRM_UDELAY( 1 );
 872         }
 873
 874 #if RADEON_FIFO_DEBUG
 875         DRM_ERROR( "failed!\n" );
 876         radeon_status( dev_priv );
 877 #endif
 878         return DRM_ERR(EBUSY);
 879 }
 880
 881 static int radeon_do_wait_for_fifo( drm_radeon_private_t *dev_priv,
 882                                     int entries )
 883 {
 884         int i;
 885
 886         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 887
 888         for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
 889                 int slots = ( RADEON_READ( RADEON_RBBM_STATUS )
 890                               & RADEON_RBBM_FIFOCNT_MASK );
 891                 if ( slots >= entries ) return 0;
 892                 DRM_UDELAY( 1 );
 893         }
 894
 895 #if RADEON_FIFO_DEBUG
 896         DRM_ERROR( "failed!\n" );
 897         radeon_status( dev_priv );
 898 #endif
 899         return DRM_ERR(EBUSY);
 900 }
 901
 902 static int radeon_do_wait_for_idle( drm_radeon_private_t *dev_priv )
 903 {
 904         int i, ret;
 905
 906         dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 907
 908         ret = radeon_do_wait_for_fifo( dev_priv, 64 );
 909         if ( ret ) return ret;
 910
 911         for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
 912                 if ( !(RADEON_READ( RADEON_RBBM_STATUS )
 913                        & RADEON_RBBM_ACTIVE) ) {
 914                         radeon_do_pixcache_flush( dev_priv );
 915                         return 0;
 916                 }
 917                 DRM_UDELAY( 1 );
 918         }
 919
 920 #if RADEON_FIFO_DEBUG
 921         DRM_ERROR( "failed!\n" );
 922         radeon_status( dev_priv );
 923 #endif
 924         return DRM_ERR(EBUSY);
 925 }
 926
 927
 928 /* ================================================================
 929  * CP control, initialization
 930  */
 931
 932 /* Load the microcode for the CP */
 933 static void radeon_cp_load_microcode( drm_radeon_private_t *dev_priv )
 934 {
 935         int i;
 936         DRM_DEBUG( "\n" );
 937
 938         radeon_do_wait_for_idle( dev_priv );
 939
 940         RADEON_WRITE( RADEON_CP_ME_RAM_ADDR, 0 );
 941
 942         if (dev_priv->microcode_version==UCODE_R200) {
 943                 DRM_INFO("Loading R200 Microcode\n");
 944                 for ( i = 0 ; i < 256 ; i++ )
 945                 {
 946                         RADEON_WRITE( RADEON_CP_ME_RAM_DATAH,
 947                                       R200_cp_microcode[i][1] );
 948                         RADEON_WRITE( RADEON_CP_ME_RAM_DATAL,
 949                                       R200_cp_microcode[i][0] );
 950                 }
 951         } else if (dev_priv->microcode_version==UCODE_R300) {
 952                 DRM_INFO("Loading R300 Microcode\n");
 953                 for ( i = 0 ; i < 256 ; i++ )
 954                 {
 955                         RADEON_WRITE( RADEON_CP_ME_RAM_DATAH,
 956                                       R300_cp_microcode[i][1] );
 957                         RADEON_WRITE( RADEON_CP_ME_RAM_DATAL,
 958                                       R300_cp_microcode[i][0] );
 959                 }
 960         } else {
 961                 for ( i = 0 ; i < 256 ; i++ ) {
 962                         RADEON_WRITE( RADEON_CP_ME_RAM_DATAH,
 963                                       radeon_cp_microcode[i][1] );
 964                         RADEON_WRITE( RADEON_CP_ME_RAM_DATAL,
 965                                       radeon_cp_microcode[i][0] );
 966                 }
 967         }
 968 }
 969
 970 /* Flush any pending commands to the CP.  This should only be used just
 971  * prior to a wait for idle, as it informs the engine that the command
 972  * stream is ending.
 973  */
 974 static void radeon_do_cp_flush( drm_radeon_private_t *dev_priv )
 975 {
 976         DRM_DEBUG( "\n" );
 977 #if 0
 978         u32 tmp;
 979
 980         tmp = RADEON_READ( RADEON_CP_RB_WPTR ) | (1 << 31);
 981         RADEON_WRITE( RADEON_CP_RB_WPTR, tmp );
 982 #endif
 983 }
 984
 985 /* Wait for the CP to go idle.
 986  */
 987 int radeon_do_cp_idle( drm_radeon_private_t *dev_priv )
 988 {
 989         RING_LOCALS;
 990         DRM_DEBUG( "\n" );
 991
 992         BEGIN_RING( 6 );
 993
 994         RADEON_PURGE_CACHE();
 995         RADEON_PURGE_ZCACHE();
 996         RADEON_WAIT_UNTIL_IDLE();
 997
 998         ADVANCE_RING();
 999         COMMIT_RING();
1000
1001         return radeon_do_wait_for_idle( dev_priv );
1002 }
1003
1004 /* Start the Command Processor.
1005  */
1006 static void radeon_do_cp_start( drm_radeon_private_t *dev_priv )
1007 {
1008         RING_LOCALS;
1009         DRM_DEBUG( "\n" );
1010
1011         radeon_do_wait_for_idle( dev_priv );
1012
1013         RADEON_WRITE( RADEON_CP_CSQ_CNTL, dev_priv->cp_mode );
1014
1015         dev_priv->cp_running = 1;
1016
1017         BEGIN_RING( 6 );
1018
1019         RADEON_PURGE_CACHE();
1020         RADEON_PURGE_ZCACHE();
1021         RADEON_WAIT_UNTIL_IDLE();
1022
1023         ADVANCE_RING();
1024         COMMIT_RING();
1025 }
1026
1027 /* Reset the Command Processor.  This will not flush any pending
1028  * commands, so you must wait for the CP command stream to complete
1029  * before calling this routine.
1030  */
1031 static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv )
1032 {
1033         u32 cur_read_ptr;
1034         DRM_DEBUG( "\n" );
1035
1036         cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR );
1037         RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr );
1038         SET_RING_HEAD( dev_priv, cur_read_ptr );
1039         dev_priv->ring.tail = cur_read_ptr;
1040 }
1041
1042 /* Stop the Command Processor.  This will not flush any pending
1043  * commands, so you must flush the command stream and wait for the CP
1044  * to go idle before calling this routine.
1045  */
1046 static void radeon_do_cp_stop( drm_radeon_private_t *dev_priv )
1047 {
1048         DRM_DEBUG( "\n" );
1049
1050         RADEON_WRITE( RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS );
1051
1052         dev_priv->cp_running = 0;
1053 }
1054
1055 /* Reset the engine.  This will stop the CP if it is running.
1056  */
1057 static int radeon_do_engine_reset( drm_device_t *dev )
1058 {
1059         drm_radeon_private_t *dev_priv = dev->dev_private;
1060         u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
1061         DRM_DEBUG( "\n" );
1062
1063         radeon_do_pixcache_flush( dev_priv );
1064
1065         clock_cntl_index = RADEON_READ( RADEON_CLOCK_CNTL_INDEX );
1066         mclk_cntl = RADEON_READ_PLL( dev, RADEON_MCLK_CNTL );
1067
1068         RADEON_WRITE_PLL( RADEON_MCLK_CNTL, ( mclk_cntl |
1069                                               RADEON_FORCEON_MCLKA |
1070                                               RADEON_FORCEON_MCLKB |
1071                                               RADEON_FORCEON_YCLKA |
1072                                               RADEON_FORCEON_YCLKB |
1073                                               RADEON_FORCEON_MC |
1074                                               RADEON_FORCEON_AIC ) );
1075
1076         rbbm_soft_reset = RADEON_READ( RADEON_RBBM_SOFT_RESET );
1077
1078         RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset |
1079                                                 RADEON_SOFT_RESET_CP |
1080                                                 RADEON_SOFT_RESET_HI |
1081                                                 RADEON_SOFT_RESET_SE |
1082                                                 RADEON_SOFT_RESET_RE |
1083                                                 RADEON_SOFT_RESET_PP |
1084                                                 RADEON_SOFT_RESET_E2 |
1085                                                 RADEON_SOFT_RESET_RB ) );
1086         RADEON_READ( RADEON_RBBM_SOFT_RESET );
1087         RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset &
1088                                                 ~( RADEON_SOFT_RESET_CP |
1089                                                    RADEON_SOFT_RESET_HI |
1090                                                    RADEON_SOFT_RESET_SE |
1091                                                    RADEON_SOFT_RESET_RE |
1092                                                    RADEON_SOFT_RESET_PP |
1093                                                    RADEON_SOFT_RESET_E2 |
1094                                                    RADEON_SOFT_RESET_RB ) ) );
1095         RADEON_READ( RADEON_RBBM_SOFT_RESET );
1096
1097
1098         RADEON_WRITE_PLL( RADEON_MCLK_CNTL, mclk_cntl );
1099         RADEON_WRITE( RADEON_CLOCK_CNTL_INDEX, clock_cntl_index );
1100         RADEON_WRITE( RADEON_RBBM_SOFT_RESET,  rbbm_soft_reset );
1101
1102         /* Reset the CP ring */
1103         radeon_do_cp_reset( dev_priv );
1104
1105         /* The CP is no longer running after an engine reset */
1106         dev_priv->cp_running = 0;
1107
1108         /* Reset any pending vertex, indirect buffers */
1109         radeon_freelist_reset( dev );
1110
1111         return 0;
1112 }
1113
1114 static void radeon_cp_init_ring_buffer( drm_device_t *dev,
1115                                         drm_radeon_private_t *dev_priv )
1116 {
1117         u32 ring_start, cur_read_ptr;
1118         u32 tmp;
1119
1120         /* Initialize the memory controller */
1121         RADEON_WRITE( RADEON_MC_FB_LOCATION,
1122                       ( ( dev_priv->gart_vm_start - 1 ) & 0xffff0000 )
1123                     | ( dev_priv->fb_location >> 16 ) );
1124
1125 #if __OS_HAS_AGP
1126         if ( !dev_priv->is_pci ) {
1127                 RADEON_WRITE( RADEON_MC_AGP_LOCATION,
1128                               (((dev_priv->gart_vm_start - 1 +
1129                                  dev_priv->gart_size) & 0xffff0000) |
1130                                (dev_priv->gart_vm_start >> 16)) );
1131
1132                 ring_start = (dev_priv->cp_ring->offset
1133                               - dev->agp->base
1134                               + dev_priv->gart_vm_start);
1135        } else
1136 #endif
1137                 ring_start = (dev_priv->cp_ring->offset
1138                               - dev->sg->handle
1139                               + dev_priv->gart_vm_start);
1140
1141         RADEON_WRITE( RADEON_CP_RB_BASE, ring_start );
1142
1143         /* Set the write pointer delay */
1144         RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 );
1145
1146         /* Initialize the ring buffer's read and write pointers */
1147         cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR );
1148         RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr );
1149         SET_RING_HEAD( dev_priv, cur_read_ptr );
1150         dev_priv->ring.tail = cur_read_ptr;
1151
1152 #if __OS_HAS_AGP
1153         if ( !dev_priv->is_pci ) {
1154                 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
1155                               dev_priv->ring_rptr->offset
1156                               - dev->agp->base
1157                               + dev_priv->gart_vm_start);
1158         } else
1159 #endif
1160         {
1161                 drm_sg_mem_t *entry = dev->sg;
1162                 unsigned long tmp_ofs, page_ofs;
1163
1164                 tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
1165                 page_ofs = tmp_ofs >> PAGE_SHIFT;
1166
1167                 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
1168                              entry->busaddr[page_ofs]);
1169                 DRM_DEBUG( "ring rptr: offset=0x%08lx handle=0x%08lx\n",
1170                            (unsigned long) entry->busaddr[page_ofs],
1171                            entry->handle + tmp_ofs );
1172         }
1173
1174         /* Initialize the scratch register pointer.  This will cause
1175          * the scratch register values to be written out to memory
1176          * whenever they are updated.
1177          *
1178          * We simply put this behind the ring read pointer, this works
1179          * with PCI GART as well as (whatever kind of) AGP GART
1180          */
1181         RADEON_WRITE( RADEON_SCRATCH_ADDR, RADEON_READ( RADEON_CP_RB_RPTR_ADDR )
1182                                          + RADEON_SCRATCH_REG_OFFSET );
1183
1184         dev_priv->scratch = ((__volatile__ u32 *)
1185                              dev_priv->ring_rptr->handle +
1186                              (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
1187
1188         RADEON_WRITE( RADEON_SCRATCH_UMSK, 0x7 );
1189
1190         /* Writeback doesn't seem to work everywhere, test it first */
1191         DRM_WRITE32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0 );
1192         RADEON_WRITE( RADEON_SCRATCH_REG1, 0xdeadbeef );
1193
1194         for ( tmp = 0 ; tmp < dev_priv->usec_timeout ; tmp++ ) {
1195                 if ( DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1) ) == 0xdeadbeef )
1196                         break;
1197                 DRM_UDELAY( 1 );
1198         }
1199
1200         if ( tmp < dev_priv->usec_timeout ) {
1201                 dev_priv->writeback_works = 1;
1202                 DRM_DEBUG( "writeback test succeeded, tmp=%d\n", tmp );
1203         } else {
1204                 dev_priv->writeback_works = 0;
1205                 DRM_DEBUG( "writeback test failed\n" );
1206         }
1207
1208         dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
1209         RADEON_WRITE( RADEON_LAST_FRAME_REG,
1210                       dev_priv->sarea_priv->last_frame );
1211
1212         dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
1213         RADEON_WRITE( RADEON_LAST_DISPATCH_REG,
1214                       dev_priv->sarea_priv->last_dispatch );
1215
1216         dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
1217         RADEON_WRITE( RADEON_LAST_CLEAR_REG,
1218                       dev_priv->sarea_priv->last_clear );
1219
1220         /* Set ring buffer size */
1221 #ifdef __BIG_ENDIAN
1222         RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT );
1223 #else
1224         RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw );
1225 #endif
1226
1227         radeon_do_wait_for_idle( dev_priv );
1228
1229         /* Turn on bus mastering */
1230         tmp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS;
1231         RADEON_WRITE( RADEON_BUS_CNTL, tmp );
1232
1233         /* Sync everything up */
1234         RADEON_WRITE( RADEON_ISYNC_CNTL,
1235                       (RADEON_ISYNC_ANY2D_IDLE3D |
1236                        RADEON_ISYNC_ANY3D_IDLE2D |
1237                        RADEON_ISYNC_WAIT_IDLEGUI |
1238                        RADEON_ISYNC_CPSCRATCH_IDLEGUI) );
1239 }
1240
1241 /* Enable or disable PCI GART on the chip */
1242 static void radeon_set_pcigart( drm_radeon_private_t *dev_priv, int on )
1243 {
1244         u32 tmp = RADEON_READ( RADEON_AIC_CNTL );
1245
1246         if ( on ) {
1247                 RADEON_WRITE( RADEON_AIC_CNTL, tmp | RADEON_PCIGART_TRANSLATE_EN );
1248
1249                 /* set PCI GART page-table base address
1250                  */
1251                 RADEON_WRITE( RADEON_AIC_PT_BASE, dev_priv->bus_pci_gart );
1252
1253                 /* set address range for PCI address translate
1254                  */
1255                 RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start );
1256                 RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
1257                                                   + dev_priv->gart_size - 1);
1258
1259                 /* Turn off AGP aperture -- is this required for PCI GART?
1260                  */
1261                 RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */
1262                 RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */
1263         } else {
1264                 RADEON_WRITE( RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN );
1265         }
1266 }
1267
1268 static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
1269 {
1270         drm_radeon_private_t *dev_priv = dev->dev_private;;
1271         DRM_DEBUG( "\n" );
1272
1273         dev_priv->is_pci = init->is_pci;
1274
1275         if ( dev_priv->is_pci && !dev->sg ) {
1276                 DRM_ERROR( "PCI GART memory not allocated!\n" );
1277                 dev->dev_private = (void *)dev_priv;
1278                 radeon_do_cleanup_cp(dev);
1279                 return DRM_ERR(EINVAL);
1280         }
1281
1282         dev_priv->usec_timeout = init->usec_timeout;
1283         if ( dev_priv->usec_timeout < 1 ||
1284              dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) {
1285                 DRM_DEBUG( "TIMEOUT problem!\n" );
1286                 dev->dev_private = (void *)dev_priv;
1287                 radeon_do_cleanup_cp(dev);
1288                 return DRM_ERR(EINVAL);
1289         }
1290
1291         switch(init->func) {
1292         case RADEON_INIT_R200_CP:
1293                 dev_priv->microcode_version=UCODE_R200;
1294                 break;
1295         case RADEON_INIT_R300_CP:
1296                 dev_priv->microcode_version=UCODE_R300;
1297                 break;
1298         default:
1299                 dev_priv->microcode_version=UCODE_R100;
1300         }
1301
1302         dev_priv->do_boxes = 0;
1303         dev_priv->cp_mode = init->cp_mode;
1304
1305         /* We don't support anything other than bus-mastering ring mode,
1306          * but the ring can be in either AGP or PCI space for the ring
1307          * read pointer.
1308          */
1309         if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) &&
1310              ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) {
1311                 DRM_DEBUG( "BAD cp_mode (%x)!\n", init->cp_mode );
1312                 dev->dev_private = (void *)dev_priv;
1313                 radeon_do_cleanup_cp(dev);
1314                 return DRM_ERR(EINVAL);
1315         }
1316
1317         switch ( init->fb_bpp ) {
1318         case 16:
1319                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
1320                 break;
1321         case 32:
1322         default:
1323                 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
1324                 break;
1325         }
1326         dev_priv->front_offset  = init->front_offset;
1327         dev_priv->front_pitch   = init->front_pitch;
1328         dev_priv->back_offset   = init->back_offset;
1329         dev_priv->back_pitch    = init->back_pitch;
1330
1331         switch ( init->depth_bpp ) {
1332         case 16:
1333                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
1334                 break;
1335         case 32:
1336         default:
1337                 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
1338                 break;
1339         }
1340         dev_priv->depth_offset  = init->depth_offset;
1341         dev_priv->depth_pitch   = init->depth_pitch;
1342
1343         /* Hardware state for depth clears.  Remove this if/when we no
1344          * longer clear the depth buffer with a 3D rectangle.  Hard-code
1345          * all values to prevent unwanted 3D state from slipping through
1346          * and screwing with the clear operation.
1347          */
1348         dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
1349                                            (dev_priv->color_fmt << 10) |
1350                                            (dev_priv->microcode_version == UCODE_R100 ? RADEON_ZBLOCK16 : 0));
1351
1352         dev_priv->depth_clear.rb3d_zstencilcntl =
1353                 (dev_priv->depth_fmt |
1354                  RADEON_Z_TEST_ALWAYS |
1355                  RADEON_STENCIL_TEST_ALWAYS |
1356                  RADEON_STENCIL_S_FAIL_REPLACE |
1357                  RADEON_STENCIL_ZPASS_REPLACE |
1358                  RADEON_STENCIL_ZFAIL_REPLACE |
1359                  RADEON_Z_WRITE_ENABLE);
1360
1361         dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
1362                                          RADEON_BFACE_SOLID |
1363                                          RADEON_FFACE_SOLID |
1364                                          RADEON_FLAT_SHADE_VTX_LAST |
1365                                          RADEON_DIFFUSE_SHADE_FLAT |
1366                                          RADEON_ALPHA_SHADE_FLAT |
1367                                          RADEON_SPECULAR_SHADE_FLAT |
1368                                          RADEON_FOG_SHADE_FLAT |
1369                                          RADEON_VTX_PIX_CENTER_OGL |
1370                                          RADEON_ROUND_MODE_TRUNC |
1371                                          RADEON_ROUND_PREC_8TH_PIX);
1372
1373         DRM_GETSAREA();
1374
1375         dev_priv->fb_offset = init->fb_offset;
1376         dev_priv->mmio_offset = init->mmio_offset;
1377         dev_priv->ring_offset = init->ring_offset;
1378         dev_priv->ring_rptr_offset = init->ring_rptr_offset;
1379         dev_priv->buffers_offset = init->buffers_offset;
1380         dev_priv->gart_textures_offset = init->gart_textures_offset;
1381
1382         if(!dev_priv->sarea) {
1383                 DRM_ERROR("could not find sarea!\n");
1384                 dev->dev_private = (void *)dev_priv;
1385                 radeon_do_cleanup_cp(dev);
1386                 return DRM_ERR(EINVAL);
1387         }
1388
1389         dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
1390         if(!dev_priv->mmio) {
1391                 DRM_ERROR("could not find mmio region!\n");
1392                 dev->dev_private = (void *)dev_priv;
1393                 radeon_do_cleanup_cp(dev);
1394                 return DRM_ERR(EINVAL);
1395         }
1396         dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset);
1397         if(!dev_priv->cp_ring) {
1398                 DRM_ERROR("could not find cp ring region!\n");
1399                 dev->dev_private = (void *)dev_priv;
1400                 radeon_do_cleanup_cp(dev);
1401                 return DRM_ERR(EINVAL);
1402         }
1403         dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
1404         if(!dev_priv->ring_rptr) {
1405                 DRM_ERROR("could not find ring read pointer!\n");
1406                 dev->dev_private = (void *)dev_priv;
1407                 radeon_do_cleanup_cp(dev);
1408                 return DRM_ERR(EINVAL);
1409         }
1410         dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
1411         if(!dev->agp_buffer_map) {
1412                 DRM_ERROR("could not find dma buffer region!\n");
1413                 dev->dev_private = (void *)dev_priv;
1414                 radeon_do_cleanup_cp(dev);
1415                 return DRM_ERR(EINVAL);
1416         }
1417
1418         if ( init->gart_textures_offset ) {
1419                 dev_priv->gart_textures = drm_core_findmap(dev, init->gart_textures_offset);
1420                 if ( !dev_priv->gart_textures ) {
1421                         DRM_ERROR("could not find GART texture region!\n");
1422                         dev->dev_private = (void *)dev_priv;
1423                         radeon_do_cleanup_cp(dev);
1424                         return DRM_ERR(EINVAL);
1425                 }
1426         }
1427
1428         dev_priv->sarea_priv =
1429                 (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle +
1430                                        init->sarea_priv_offset);
1431
1432 #if __OS_HAS_AGP
1433         if ( !dev_priv->is_pci ) {
1434                 drm_core_ioremap( dev_priv->cp_ring, dev );
1435                 drm_core_ioremap( dev_priv->ring_rptr, dev );
1436                 drm_core_ioremap( dev->agp_buffer_map, dev );
1437                 if(!dev_priv->cp_ring->handle ||
1438                    !dev_priv->ring_rptr->handle ||
1439                    !dev->agp_buffer_map->handle) {
1440                         DRM_ERROR("could not find ioremap agp regions!\n");
1441                         dev->dev_private = (void *)dev_priv;
1442                         radeon_do_cleanup_cp(dev);
1443                         return DRM_ERR(EINVAL);
1444                 }
1445         } else
1446 #endif
1447         {
1448                 dev_priv->cp_ring->handle =
1449                         (void *)dev_priv->cp_ring->offset;
1450                 dev_priv->ring_rptr->handle =
1451                         (void *)dev_priv->ring_rptr->offset;
1452                 dev->agp_buffer_map->handle = (void *)dev->agp_buffer_map->offset;
1453
1454                 DRM_DEBUG( "dev_priv->cp_ring->handle %p\n",
1455                            dev_priv->cp_ring->handle );
1456                 DRM_DEBUG( "dev_priv->ring_rptr->handle %p\n",
1457                            dev_priv->ring_rptr->handle );
1458                 DRM_DEBUG( "dev->agp_buffer_map->handle %p\n",
1459                            dev->agp_buffer_map->handle );
1460         }
1461
1462         dev_priv->fb_location = ( RADEON_READ( RADEON_MC_FB_LOCATION )
1463                                 & 0xffff ) << 16;
1464
1465         dev_priv->front_pitch_offset = (((dev_priv->front_pitch/64) << 22) |
1466                                         ( ( dev_priv->front_offset
1467                                           + dev_priv->fb_location ) >> 10 ) );
1468
1469         dev_priv->back_pitch_offset = (((dev_priv->back_pitch/64) << 22) |
1470                                        ( ( dev_priv->back_offset
1471                                          + dev_priv->fb_location ) >> 10 ) );
1472
1473         dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch/64) << 22) |
1474                                         ( ( dev_priv->depth_offset
1475                                           + dev_priv->fb_location ) >> 10 ) );
1476
1477
1478         dev_priv->gart_size = init->gart_size;
1479         dev_priv->gart_vm_start = dev_priv->fb_location
1480                                 + RADEON_READ( RADEON_CONFIG_APER_SIZE );
1481
1482 #if __OS_HAS_AGP
1483         if ( !dev_priv->is_pci )
1484                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1485                                                 - dev->agp->base
1486                                                 + dev_priv->gart_vm_start);
1487         else
1488 #endif
1489                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
1490                                                 - dev->sg->handle
1491                                                 + dev_priv->gart_vm_start);
1492
1493         DRM_DEBUG( "dev_priv->gart_size %d\n",
1494                    dev_priv->gart_size );
1495         DRM_DEBUG( "dev_priv->gart_vm_start 0x%x\n",
1496                    dev_priv->gart_vm_start );
1497         DRM_DEBUG( "dev_priv->gart_buffers_offset 0x%lx\n",
1498                    dev_priv->gart_buffers_offset );
1499
1500         dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle;
1501         dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle
1502                               + init->ring_size / sizeof(u32));
1503         dev_priv->ring.size = init->ring_size;
1504         dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 );
1505
1506         dev_priv->ring.tail_mask =
1507                 (dev_priv->ring.size / sizeof(u32)) - 1;
1508
1509         dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
1510
1511 #if __OS_HAS_AGP
1512         if ( !dev_priv->is_pci ) {
1513                 /* Turn off PCI GART */
1514                 radeon_set_pcigart( dev_priv, 0 );
1515         } else
1516 #endif
1517         {
1518                 if (!drm_ati_pcigart_init( dev, &dev_priv->phys_pci_gart,
1519                                             &dev_priv->bus_pci_gart)) {
1520                         DRM_ERROR( "failed to init PCI GART!\n" );
1521                         dev->dev_private = (void *)dev_priv;
1522                         radeon_do_cleanup_cp(dev);
1523                         return DRM_ERR(ENOMEM);
1524                 }
1525
1526                 /* Turn on PCI GART */
1527                 radeon_set_pcigart( dev_priv, 1 );
1528         }
1529
1530         radeon_cp_load_microcode( dev_priv );
1531         radeon_cp_init_ring_buffer( dev, dev_priv );
1532
1533         dev_priv->last_buf = 0;
1534
1535         dev->dev_private = (void *)dev_priv;
1536
1537         radeon_do_engine_reset( dev );
1538
1539         return 0;
1540 }
1541
1542 static int radeon_do_cleanup_cp( drm_device_t *dev )
1543 {
1544         drm_radeon_private_t *dev_priv = dev->dev_private;
1545         DRM_DEBUG( "\n" );
1546
1547         /* Make sure interrupts are disabled here because the uninstall ioctl
1548          * may not have been called from userspace and after dev_private
1549          * is freed, it's too late.
1550          */
1551         if ( dev->irq_enabled ) drm_irq_uninstall(dev);
1552
1553 #if __OS_HAS_AGP
1554         if ( !dev_priv->is_pci ) {
1555                 if ( dev_priv->cp_ring != NULL )
1556                         drm_core_ioremapfree( dev_priv->cp_ring, dev );
1557                 if ( dev_priv->ring_rptr != NULL )
1558                         drm_core_ioremapfree( dev_priv->ring_rptr, dev );
1559                 if ( dev->agp_buffer_map != NULL )
1560                 {
1561                         drm_core_ioremapfree( dev->agp_buffer_map, dev );
1562                         dev->agp_buffer_map = NULL;
1563                 }
1564         } else
1565 #endif
1566         {
1567                 if (!drm_ati_pcigart_cleanup( dev,
1568                                               dev_priv->phys_pci_gart,
1569                                               dev_priv->bus_pci_gart ))
1570                         DRM_ERROR( "failed to cleanup PCI GART!\n" );
1571         }
1572
1573         /* only clear to the start of flags */
1574         memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
1575
1576         return 0;
1577 }
1578
1579 /* This code will reinit the Radeon CP hardware after a resume from disc.
1580  * AFAIK, it would be very difficult to pickle the state at suspend time, so
1581  * here we make sure that all Radeon hardware initialisation is re-done without
1582  * affecting running applications.
1583  *
1584  * Charl P. Botha <http://cpbotha.net>
1585  */
1586 static int radeon_do_resume_cp( drm_device_t *dev )
1587 {
1588         drm_radeon_private_t *dev_priv = dev->dev_private;
1589
1590         if ( !dev_priv ) {
1591                 DRM_ERROR( "Called with no initialization\n" );
1592                 return DRM_ERR( EINVAL );
1593         }
1594
1595         DRM_DEBUG("Starting radeon_do_resume_cp()\n");
1596
1597 #if __OS_HAS_AGP
1598         if ( !dev_priv->is_pci ) {
1599                 /* Turn off PCI GART */
1600                 radeon_set_pcigart( dev_priv, 0 );
1601         } else
1602 #endif
1603         {
1604                 /* Turn on PCI GART */
1605                 radeon_set_pcigart( dev_priv, 1 );
1606         }
1607
1608         radeon_cp_load_microcode( dev_priv );
1609         radeon_cp_init_ring_buffer( dev, dev_priv );
1610
1611         radeon_do_engine_reset( dev );
1612
1613         DRM_DEBUG("radeon_do_resume_cp() complete\n");
1614
1615         return 0;
1616 }
1617
1618
1619 int radeon_cp_init( DRM_IOCTL_ARGS )
1620 {
1621         DRM_DEVICE;
1622         drm_radeon_init_t init;
1623
1624         LOCK_TEST_WITH_RETURN( dev, filp );
1625
1626         DRM_COPY_FROM_USER_IOCTL( init, (drm_radeon_init_t __user *)data, sizeof(init) );
1627
1628         switch ( init.func ) {
1629         case RADEON_INIT_CP:
1630         case RADEON_INIT_R200_CP:
1631         case RADEON_INIT_R300_CP:
1632                 return radeon_do_init_cp( dev, &init );
1633         case RADEON_CLEANUP_CP:
1634                 return radeon_do_cleanup_cp( dev );
1635         }
1636
1637         return DRM_ERR(EINVAL);
1638 }
1639
1640 int radeon_cp_start( DRM_IOCTL_ARGS )
1641 {
1642         DRM_DEVICE;
1643         drm_radeon_private_t *dev_priv = dev->dev_private;
1644         DRM_DEBUG( "\n" );
1645
1646         LOCK_TEST_WITH_RETURN( dev, filp );
1647
1648         if ( dev_priv->cp_running ) {
1649                 DRM_DEBUG( "%s while CP running\n", __FUNCTION__ );
1650                 return 0;
1651         }
1652         if ( dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS ) {
1653                 DRM_DEBUG( "%s called with bogus CP mode (%d)\n",
1654                            __FUNCTION__, dev_priv->cp_mode );
1655                 return 0;
1656         }
1657
1658         radeon_do_cp_start( dev_priv );
1659
1660         return 0;
1661 }
1662
1663 /* Stop the CP.  The engine must have been idled before calling this
1664  * routine.
1665  */
1666 int radeon_cp_stop( DRM_IOCTL_ARGS )
1667 {
1668         DRM_DEVICE;
1669         drm_radeon_private_t *dev_priv = dev->dev_private;
1670         drm_radeon_cp_stop_t stop;
1671         int ret;
1672         DRM_DEBUG( "\n" );
1673
1674         LOCK_TEST_WITH_RETURN( dev, filp );
1675
1676         DRM_COPY_FROM_USER_IOCTL( stop, (drm_radeon_cp_stop_t __user *)data, sizeof(stop) );
1677
1678         if (!dev_priv->cp_running)
1679                 return 0;
1680
1681         /* Flush any pending CP commands.  This ensures any outstanding
1682          * commands are exectuted by the engine before we turn it off.
1683          */
1684         if ( stop.flush ) {
1685                 radeon_do_cp_flush( dev_priv );
1686         }
1687
1688         /* If we fail to make the engine go idle, we return an error
1689          * code so that the DRM ioctl wrapper can try again.
1690          */
1691         if ( stop.idle ) {
1692                 ret = radeon_do_cp_idle( dev_priv );
1693                 if ( ret ) return ret;
1694         }
1695
1696         /* Finally, we can turn off the CP.  If the engine isn't idle,
1697          * we will get some dropped triangles as they won't be fully
1698          * rendered before the CP is shut down.
1699          */
1700         radeon_do_cp_stop( dev_priv );
1701
1702         /* Reset the engine */
1703         radeon_do_engine_reset( dev );
1704
1705         return 0;
1706 }
1707
1708
1709 void radeon_do_release( drm_device_t *dev )
1710 {
1711         drm_radeon_private_t *dev_priv = dev->dev_private;
1712         int i, ret;
1713
1714         if (dev_priv) {
1715                 if (dev_priv->cp_running) {
1716                         /* Stop the cp */
1717                         while ((ret = radeon_do_cp_idle( dev_priv )) != 0) {
1718                                 DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
1719 #ifdef __linux__
1720                                 schedule();
1721 #else
1722                                 tsleep(&ret, PZERO, "rdnrel", 1);
1723 #endif
1724                         }
1725                         radeon_do_cp_stop( dev_priv );
1726                         radeon_do_engine_reset( dev );
1727                 }
1728
1729                 /* Disable *all* interrupts */
1730                 if (dev_priv->mmio)     /* remove this after permanent addmaps */
1731                         RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 );
1732
1733                 if (dev_priv->mmio) {/* remove all surfaces */
1734                         for (i = 0; i < RADEON_MAX_SURFACES; i++) {
1735                                 RADEON_WRITE(RADEON_SURFACE0_INFO + 16*i, 0);
1736                                 RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16*i, 0);
1737                                 RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16*i, 0);
1738                         }
1739                 }
1740
1741                 /* Free memory heap structures */
1742                 radeon_mem_takedown( &(dev_priv->gart_heap) );
1743                 radeon_mem_takedown( &(dev_priv->fb_heap) );
1744
1745                 /* deallocate kernel resources */
1746                 radeon_do_cleanup_cp( dev );
1747         }
1748 }
1749
1750 /* Just reset the CP ring.  Called as part of an X Server engine reset.
1751  */
1752 int radeon_cp_reset( DRM_IOCTL_ARGS )
1753 {
1754         DRM_DEVICE;
1755         drm_radeon_private_t *dev_priv = dev->dev_private;
1756         DRM_DEBUG( "\n" );
1757
1758         LOCK_TEST_WITH_RETURN( dev, filp );
1759
1760         if ( !dev_priv ) {
1761                 DRM_DEBUG( "%s called before init done\n", __FUNCTION__ );
1762                 return DRM_ERR(EINVAL);
1763         }
1764
1765         radeon_do_cp_reset( dev_priv );
1766
1767         /* The CP is no longer running after an engine reset */
1768         dev_priv->cp_running = 0;
1769
1770         return 0;
1771 }
1772
1773 int radeon_cp_idle( DRM_IOCTL_ARGS )
1774 {
1775         DRM_DEVICE;
1776         drm_radeon_private_t *dev_priv = dev->dev_private;
1777         DRM_DEBUG( "\n" );
1778
1779         LOCK_TEST_WITH_RETURN( dev, filp );
1780
1781         return radeon_do_cp_idle( dev_priv );
1782 }
1783
1784 /* Added by Charl P. Botha to call radeon_do_resume_cp().
1785  */
1786 int radeon_cp_resume( DRM_IOCTL_ARGS )
1787 {
1788         DRM_DEVICE;
1789
1790         return radeon_do_resume_cp(dev);
1791 }
1792
1793
1794 int radeon_engine_reset( DRM_IOCTL_ARGS )
1795 {
1796         DRM_DEVICE;
1797         DRM_DEBUG( "\n" );
1798
1799         LOCK_TEST_WITH_RETURN( dev, filp );
1800
1801         return radeon_do_engine_reset( dev );
1802 }
1803
1804
1805 /* ================================================================
1806  * Fullscreen mode
1807  */
1808
1809 /* KW: Deprecated to say the least:
1810  */
1811 int radeon_fullscreen( DRM_IOCTL_ARGS )
1812 {
1813         return 0;
1814 }
1815
1816
1817 /* ================================================================
1818  * Freelist management
1819  */
1820
1821 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
1822  *   bufs until freelist code is used.  Note this hides a problem with
1823  *   the scratch register * (used to keep track of last buffer
1824  *   completed) being written to before * the last buffer has actually
1825  *   completed rendering.
1826  *
1827  * KW:  It's also a good way to find free buffers quickly.
1828  *
1829  * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
1830  * sleep.  However, bugs in older versions of radeon_accel.c mean that
1831  * we essentially have to do this, else old clients will break.
1832  *
1833  * However, it does leave open a potential deadlock where all the
1834  * buffers are held by other clients, which can't release them because
1835  * they can't get the lock.
1836  */
1837
1838 drm_buf_t *radeon_freelist_get( drm_device_t *dev )
1839 {
1840         drm_device_dma_t *dma = dev->dma;
1841         drm_radeon_private_t *dev_priv = dev->dev_private;
1842         drm_radeon_buf_priv_t *buf_priv;
1843         drm_buf_t *buf;
1844         int i, t;
1845         int start;
1846
1847         if ( ++dev_priv->last_buf >= dma->buf_count )
1848                 dev_priv->last_buf = 0;
1849
1850         start = dev_priv->last_buf;
1851
1852         for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) {
1853                 u32 done_age = GET_SCRATCH( 1 );
1854                 DRM_DEBUG("done_age = %d\n",done_age);
1855                 for ( i = start ; i < dma->buf_count ; i++ ) {
1856                         buf = dma->buflist[i];
1857                         buf_priv = buf->dev_private;
1858                         if ( buf->filp == 0 || (buf->pending &&
1859                                                buf_priv->age <= done_age) ) {
1860                                 dev_priv->stats.requested_bufs++;
1861                                 buf->pending = 0;
1862                                 return buf;
1863                         }
1864                         start = 0;
1865                 }
1866
1867                 if (t) {
1868                         DRM_UDELAY( 1 );
1869                         dev_priv->stats.freelist_loops++;
1870                 }
1871         }
1872
1873         DRM_DEBUG( "returning NULL!\n" );
1874         return NULL;
1875 }
1876 #if 0
1877 drm_buf_t *radeon_freelist_get( drm_device_t *dev )
1878 {
1879         drm_device_dma_t *dma = dev->dma;
1880         drm_radeon_private_t *dev_priv = dev->dev_private;
1881         drm_radeon_buf_priv_t *buf_priv;
1882         drm_buf_t *buf;
1883         int i, t;
1884         int start;
1885         u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
1886
1887         if ( ++dev_priv->last_buf >= dma->buf_count )
1888                 dev_priv->last_buf = 0;
1889
1890         start = dev_priv->last_buf;
1891         dev_priv->stats.freelist_loops++;
1892
1893         for ( t = 0 ; t < 2 ; t++ ) {
1894                 for ( i = start ; i < dma->buf_count ; i++ ) {
1895                         buf = dma->buflist[i];
1896                         buf_priv = buf->dev_private;
1897                         if ( buf->filp == 0 || (buf->pending &&
1898                                                buf_priv->age <= done_age) ) {
1899                                 dev_priv->stats.requested_bufs++;
1900                                 buf->pending = 0;
1901                                 return buf;
1902                         }
1903                 }
1904                 start = 0;
1905         }
1906
1907         return NULL;
1908 }
1909 #endif
1910
1911 void radeon_freelist_reset( drm_device_t *dev )
1912 {
1913         drm_device_dma_t *dma = dev->dma;
1914         drm_radeon_private_t *dev_priv = dev->dev_private;
1915         int i;
1916
1917         dev_priv->last_buf = 0;
1918         for ( i = 0 ; i < dma->buf_count ; i++ ) {
1919                 drm_buf_t *buf = dma->buflist[i];
1920                 drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
1921                 buf_priv->age = 0;
1922         }
1923 }
1924
1925
1926 /* ================================================================
1927  * CP command submission
1928  */
1929
1930 int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n )
1931 {
1932         drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
1933         int i;
1934         u32 last_head = GET_RING_HEAD( dev_priv );
1935
1936         for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
1937                 u32 head = GET_RING_HEAD( dev_priv );
1938
1939                 ring->space = (head - ring->tail) * sizeof(u32);
1940                 if ( ring->space <= 0 )
1941                         ring->space += ring->size;
1942                 if ( ring->space > n )
1943                         return 0;
1944
1945                 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
1946
1947                 if (head != last_head)
1948                         i = 0;
1949                 last_head = head;
1950
1951                 DRM_UDELAY( 1 );
1952         }
1953
1954         /* FIXME: This return value is ignored in the BEGIN_RING macro! */
1955 #if RADEON_FIFO_DEBUG
1956         radeon_status( dev_priv );
1957         DRM_ERROR( "failed!\n" );
1958 #endif
1959         return DRM_ERR(EBUSY);
1960 }
1961
1962 static int radeon_cp_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d )
1963 {
1964         int i;
1965         drm_buf_t *buf;
1966
1967         for ( i = d->granted_count ; i < d->request_count ; i++ ) {
1968                 buf = radeon_freelist_get( dev );
1969                 if ( !buf ) return DRM_ERR(EBUSY); /* NOTE: broken client */
1970
1971                 buf->filp = filp;
1972
1973                 if ( DRM_COPY_TO_USER( &d->request_indices[i], &buf->idx,
1974                                    sizeof(buf->idx) ) )
1975                         return DRM_ERR(EFAULT);
1976                 if ( DRM_COPY_TO_USER( &d->request_sizes[i], &buf->total,
1977                                    sizeof(buf->total) ) )
1978                         return DRM_ERR(EFAULT);
1979
1980                 d->granted_count++;
1981         }
1982         return 0;
1983 }
1984
1985 int radeon_cp_buffers( DRM_IOCTL_ARGS )
1986 {
1987         DRM_DEVICE;
1988         drm_device_dma_t *dma = dev->dma;
1989         int ret = 0;
1990         drm_dma_t __user *argp = (void __user *)data;
1991         drm_dma_t d;
1992
1993         LOCK_TEST_WITH_RETURN( dev, filp );
1994
1995         DRM_COPY_FROM_USER_IOCTL( d, argp, sizeof(d) );
1996
1997         /* Please don't send us buffers.
1998          */
1999         if ( d.send_count != 0 ) {
2000                 DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n",
2001                            DRM_CURRENTPID, d.send_count );
2002                 return DRM_ERR(EINVAL);
2003         }
2004
2005         /* We'll send you buffers.
2006          */
2007         if ( d.request_count < 0 || d.request_count > dma->buf_count ) {
2008                 DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n",
2009                            DRM_CURRENTPID, d.request_count, dma->buf_count );
2010                 return DRM_ERR(EINVAL);
2011         }
2012
2013         d.granted_count = 0;
2014
2015         if ( d.request_count ) {
2016                 ret = radeon_cp_get_buffers( filp, dev, &d );
2017         }
2018
2019         DRM_COPY_TO_USER_IOCTL( argp, d, sizeof(d) );
2020
2021         return ret;
2022 }
2023
2024 int radeon_driver_preinit(struct drm_device *dev, unsigned long flags)
2025 {
2026         drm_radeon_private_t *dev_priv;
2027         int ret = 0;
2028
2029         dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER);
2030         if (dev_priv == NULL)
2031                 return DRM_ERR(ENOMEM);
2032
2033         memset(dev_priv, 0, sizeof(drm_radeon_private_t));
2034         dev->dev_private = (void *)dev_priv;
2035         dev_priv->flags = flags;
2036
2037         switch (flags & CHIP_FAMILY_MASK) {
2038         case CHIP_R100:
2039         case CHIP_RV200:
2040         case CHIP_R200:
2041         case CHIP_R300:
2042                 dev_priv->flags |= CHIP_HAS_HIERZ;
2043                 break;
2044         default:
2045         /* all other chips have no hierarchical z buffer */
2046                 break;
2047         }
2048         return ret;
2049 }
2050
2051 int radeon_driver_postcleanup(struct drm_device *dev)
2052 {
2053         drm_radeon_private_t *dev_priv = dev->dev_private;
2054
2055         DRM_DEBUG("\n");
2056
2057         drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
2058
2059         dev->dev_private = NULL;
2060         return 0;
2061 }