radeon_cp.c revision 119098
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 * $FreeBSD: head/sys/dev/drm/radeon_cp.c 119098 2003-08-19 02:57:31Z anholt $ 31 */ 32 33#include "dev/drm/radeon.h" 34#include "dev/drm/drmP.h" 35#include "dev/drm/drm.h" 36#include "dev/drm/radeon_drm.h" 37#include "dev/drm/radeon_drv.h" 38 39#define RADEON_FIFO_DEBUG 0 40 41 42/* CP microcode (from ATI) */ 43static u32 R200_cp_microcode[][2] = { 44 { 0x21007000, 0000000000 }, 45 { 0x20007000, 0000000000 }, 46 { 0x000000ab, 0x00000004 }, 47 { 0x000000af, 0x00000004 }, 48 { 0x66544a49, 0000000000 }, 49 { 0x49494174, 0000000000 }, 50 { 0x54517d83, 0000000000 }, 51 { 0x498d8b64, 0000000000 }, 52 { 0x49494949, 0000000000 }, 53 { 0x49da493c, 0000000000 }, 54 { 0x49989898, 0000000000 }, 55 { 0xd34949d5, 0000000000 }, 56 { 0x9dc90e11, 0000000000 }, 57 { 0xce9b9b9b, 0000000000 }, 58 { 0x000f0000, 0x00000016 }, 59 { 0x352e232c, 0000000000 }, 60 { 0x00000013, 0x00000004 }, 61 { 0x000f0000, 0x00000016 }, 62 { 0x352e272c, 0000000000 }, 63 { 0x000f0001, 0x00000016 }, 64 { 0x3239362f, 0000000000 }, 65 { 0x000077ef, 0x00000002 }, 66 { 0x00061000, 0x00000002 }, 67 { 0x00000020, 0x0000001a }, 68 { 0x00004000, 0x0000001e }, 69 { 0x00061000, 0x00000002 }, 70 { 0x00000020, 0x0000001a }, 71 { 0x00004000, 0x0000001e }, 72 { 0x00061000, 0x00000002 }, 73 { 0x00000020, 0x0000001a }, 74 { 0x00004000, 0x0000001e }, 75 { 0x00000016, 0x00000004 }, 76 { 0x0003802a, 0x00000002 }, 77 { 0x040067e0, 0x00000002 }, 78 { 0x00000016, 0x00000004 }, 79 { 0x000077e0, 0x00000002 }, 80 { 0x00065000, 0x00000002 }, 81 { 0x000037e1, 0x00000002 }, 82 { 0x040067e1, 0x00000006 }, 83 { 0x000077e0, 0x00000002 }, 84 { 0x000077e1, 0x00000002 }, 85 { 0x000077e1, 0x00000006 }, 86 { 0xffffffff, 0000000000 }, 87 { 0x10000000, 0000000000 }, 88 { 0x0003802a, 0x00000002 }, 89 { 0x040067e0, 0x00000006 }, 90 { 0x00007675, 0x00000002 }, 91 { 0x00007676, 0x00000002 }, 92 { 0x00007677, 0x00000002 }, 93 { 0x00007678, 0x00000006 }, 94 { 0x0003802b, 0x00000002 }, 95 { 0x04002676, 0x00000002 }, 96 { 0x00007677, 0x00000002 }, 97 { 0x00007678, 0x00000006 }, 98 { 0x0000002e, 0x00000018 }, 99 { 0x0000002e, 0x00000018 }, 100 { 0000000000, 0x00000006 }, 101 { 0x0000002f, 0x00000018 }, 102 { 0x0000002f, 0x00000018 }, 103 { 0000000000, 0x00000006 }, 104 { 0x01605000, 0x00000002 }, 105 { 0x00065000, 0x00000002 }, 106 { 0x00098000, 0x00000002 }, 107 { 0x00061000, 0x00000002 }, 108 { 0x64c0603d, 0x00000004 }, 109 { 0x00080000, 0x00000016 }, 110 { 0000000000, 0000000000 }, 111 { 0x0400251d, 0x00000002 }, 112 { 0x00007580, 0x00000002 }, 113 { 0x00067581, 0x00000002 }, 114 { 0x04002580, 0x00000002 }, 115 { 0x00067581, 0x00000002 }, 116 { 0x00000046, 0x00000004 }, 117 { 0x00005000, 0000000000 }, 118 { 0x00061000, 0x00000002 }, 119 { 0x0000750e, 0x00000002 }, 120 { 0x00019000, 0x00000002 }, 121 { 0x00011055, 0x00000014 }, 122 { 0x00000055, 0x00000012 }, 123 { 0x0400250f, 0x00000002 }, 124 { 0x0000504a, 0x00000004 }, 125 { 0x00007565, 0x00000002 }, 126 { 0x00007566, 0x00000002 }, 127 { 0x00000051, 0x00000004 }, 128 { 0x01e655b4, 0x00000002 }, 129 { 0x4401b0dc, 0x00000002 }, 130 { 0x01c110dc, 0x00000002 }, 131 { 0x2666705d, 0x00000018 }, 132 { 0x040c2565, 0x00000002 }, 133 { 0x0000005d, 0x00000018 }, 134 { 0x04002564, 0x00000002 }, 135 { 0x00007566, 0x00000002 }, 136 { 0x00000054, 0x00000004 }, 137 { 0x00401060, 0x00000008 }, 138 { 0x00101000, 0x00000002 }, 139 { 0x000d80ff, 0x00000002 }, 140 { 0x00800063, 0x00000008 }, 141 { 0x000f9000, 0x00000002 }, 142 { 0x000e00ff, 0x00000002 }, 143 { 0000000000, 0x00000006 }, 144 { 0x00000080, 0x00000018 }, 145 { 0x00000054, 0x00000004 }, 146 { 0x00007576, 0x00000002 }, 147 { 0x00065000, 0x00000002 }, 148 { 0x00009000, 0x00000002 }, 149 { 0x00041000, 0x00000002 }, 150 { 0x0c00350e, 0x00000002 }, 151 { 0x00049000, 0x00000002 }, 152 { 0x00051000, 0x00000002 }, 153 { 0x01e785f8, 0x00000002 }, 154 { 0x00200000, 0x00000002 }, 155 { 0x00600073, 0x0000000c }, 156 { 0x00007563, 0x00000002 }, 157 { 0x006075f0, 0x00000021 }, 158 { 0x20007068, 0x00000004 }, 159 { 0x00005068, 0x00000004 }, 160 { 0x00007576, 0x00000002 }, 161 { 0x00007577, 0x00000002 }, 162 { 0x0000750e, 0x00000002 }, 163 { 0x0000750f, 0x00000002 }, 164 { 0x00a05000, 0x00000002 }, 165 { 0x00600076, 0x0000000c }, 166 { 0x006075f0, 0x00000021 }, 167 { 0x000075f8, 0x00000002 }, 168 { 0x00000076, 0x00000004 }, 169 { 0x000a750e, 0x00000002 }, 170 { 0x0020750f, 0x00000002 }, 171 { 0x00600079, 0x00000004 }, 172 { 0x00007570, 0x00000002 }, 173 { 0x00007571, 0x00000002 }, 174 { 0x00007572, 0x00000006 }, 175 { 0x00005000, 0x00000002 }, 176 { 0x00a05000, 0x00000002 }, 177 { 0x00007568, 0x00000002 }, 178 { 0x00061000, 0x00000002 }, 179 { 0x00000084, 0x0000000c }, 180 { 0x00058000, 0x00000002 }, 181 { 0x0c607562, 0x00000002 }, 182 { 0x00000086, 0x00000004 }, 183 { 0x00600085, 0x00000004 }, 184 { 0x400070dd, 0000000000 }, 185 { 0x000380dd, 0x00000002 }, 186 { 0x00000093, 0x0000001c }, 187 { 0x00065095, 0x00000018 }, 188 { 0x040025bb, 0x00000002 }, 189 { 0x00061096, 0x00000018 }, 190 { 0x040075bc, 0000000000 }, 191 { 0x000075bb, 0x00000002 }, 192 { 0x000075bc, 0000000000 }, 193 { 0x00090000, 0x00000006 }, 194 { 0x00090000, 0x00000002 }, 195 { 0x000d8002, 0x00000006 }, 196 { 0x00005000, 0x00000002 }, 197 { 0x00007821, 0x00000002 }, 198 { 0x00007800, 0000000000 }, 199 { 0x00007821, 0x00000002 }, 200 { 0x00007800, 0000000000 }, 201 { 0x01665000, 0x00000002 }, 202 { 0x000a0000, 0x00000002 }, 203 { 0x000671cc, 0x00000002 }, 204 { 0x0286f1cd, 0x00000002 }, 205 { 0x000000a3, 0x00000010 }, 206 { 0x21007000, 0000000000 }, 207 { 0x000000aa, 0x0000001c }, 208 { 0x00065000, 0x00000002 }, 209 { 0x000a0000, 0x00000002 }, 210 { 0x00061000, 0x00000002 }, 211 { 0x000b0000, 0x00000002 }, 212 { 0x38067000, 0x00000002 }, 213 { 0x000a00a6, 0x00000004 }, 214 { 0x20007000, 0000000000 }, 215 { 0x01200000, 0x00000002 }, 216 { 0x20077000, 0x00000002 }, 217 { 0x01200000, 0x00000002 }, 218 { 0x20007000, 0000000000 }, 219 { 0x00061000, 0x00000002 }, 220 { 0x0120751b, 0x00000002 }, 221 { 0x8040750a, 0x00000002 }, 222 { 0x8040750b, 0x00000002 }, 223 { 0x00110000, 0x00000002 }, 224 { 0x000380dd, 0x00000002 }, 225 { 0x000000bd, 0x0000001c }, 226 { 0x00061096, 0x00000018 }, 227 { 0x844075bd, 0x00000002 }, 228 { 0x00061095, 0x00000018 }, 229 { 0x840075bb, 0x00000002 }, 230 { 0x00061096, 0x00000018 }, 231 { 0x844075bc, 0x00000002 }, 232 { 0x000000c0, 0x00000004 }, 233 { 0x804075bd, 0x00000002 }, 234 { 0x800075bb, 0x00000002 }, 235 { 0x804075bc, 0x00000002 }, 236 { 0x00108000, 0x00000002 }, 237 { 0x01400000, 0x00000002 }, 238 { 0x006000c4, 0x0000000c }, 239 { 0x20c07000, 0x00000020 }, 240 { 0x000000c6, 0x00000012 }, 241 { 0x00800000, 0x00000006 }, 242 { 0x0080751d, 0x00000006 }, 243 { 0x000025bb, 0x00000002 }, 244 { 0x000040c0, 0x00000004 }, 245 { 0x0000775c, 0x00000002 }, 246 { 0x00a05000, 0x00000002 }, 247 { 0x00661000, 0x00000002 }, 248 { 0x0460275d, 0x00000020 }, 249 { 0x00004000, 0000000000 }, 250 { 0x00007999, 0x00000002 }, 251 { 0x00a05000, 0x00000002 }, 252 { 0x00661000, 0x00000002 }, 253 { 0x0460299b, 0x00000020 }, 254 { 0x00004000, 0000000000 }, 255 { 0x01e00830, 0x00000002 }, 256 { 0x21007000, 0000000000 }, 257 { 0x00005000, 0x00000002 }, 258 { 0x00038042, 0x00000002 }, 259 { 0x040025e0, 0x00000002 }, 260 { 0x000075e1, 0000000000 }, 261 { 0x00000001, 0000000000 }, 262 { 0x000380d9, 0x00000002 }, 263 { 0x04007394, 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 { 0000000000, 0000000000 }, 300}; 301 302 303static u32 radeon_cp_microcode[][2] = { 304 { 0x21007000, 0000000000 }, 305 { 0x20007000, 0000000000 }, 306 { 0x000000b4, 0x00000004 }, 307 { 0x000000b8, 0x00000004 }, 308 { 0x6f5b4d4c, 0000000000 }, 309 { 0x4c4c427f, 0000000000 }, 310 { 0x5b568a92, 0000000000 }, 311 { 0x4ca09c6d, 0000000000 }, 312 { 0xad4c4c4c, 0000000000 }, 313 { 0x4ce1af3d, 0000000000 }, 314 { 0xd8afafaf, 0000000000 }, 315 { 0xd64c4cdc, 0000000000 }, 316 { 0x4cd10d10, 0000000000 }, 317 { 0x000f0000, 0x00000016 }, 318 { 0x362f242d, 0000000000 }, 319 { 0x00000012, 0x00000004 }, 320 { 0x000f0000, 0x00000016 }, 321 { 0x362f282d, 0000000000 }, 322 { 0x000380e7, 0x00000002 }, 323 { 0x04002c97, 0x00000002 }, 324 { 0x000f0001, 0x00000016 }, 325 { 0x333a3730, 0000000000 }, 326 { 0x000077ef, 0x00000002 }, 327 { 0x00061000, 0x00000002 }, 328 { 0x00000021, 0x0000001a }, 329 { 0x00004000, 0x0000001e }, 330 { 0x00061000, 0x00000002 }, 331 { 0x00000021, 0x0000001a }, 332 { 0x00004000, 0x0000001e }, 333 { 0x00061000, 0x00000002 }, 334 { 0x00000021, 0x0000001a }, 335 { 0x00004000, 0x0000001e }, 336 { 0x00000017, 0x00000004 }, 337 { 0x0003802b, 0x00000002 }, 338 { 0x040067e0, 0x00000002 }, 339 { 0x00000017, 0x00000004 }, 340 { 0x000077e0, 0x00000002 }, 341 { 0x00065000, 0x00000002 }, 342 { 0x000037e1, 0x00000002 }, 343 { 0x040067e1, 0x00000006 }, 344 { 0x000077e0, 0x00000002 }, 345 { 0x000077e1, 0x00000002 }, 346 { 0x000077e1, 0x00000006 }, 347 { 0xffffffff, 0000000000 }, 348 { 0x10000000, 0000000000 }, 349 { 0x0003802b, 0x00000002 }, 350 { 0x040067e0, 0x00000006 }, 351 { 0x00007675, 0x00000002 }, 352 { 0x00007676, 0x00000002 }, 353 { 0x00007677, 0x00000002 }, 354 { 0x00007678, 0x00000006 }, 355 { 0x0003802c, 0x00000002 }, 356 { 0x04002676, 0x00000002 }, 357 { 0x00007677, 0x00000002 }, 358 { 0x00007678, 0x00000006 }, 359 { 0x0000002f, 0x00000018 }, 360 { 0x0000002f, 0x00000018 }, 361 { 0000000000, 0x00000006 }, 362 { 0x00000030, 0x00000018 }, 363 { 0x00000030, 0x00000018 }, 364 { 0000000000, 0x00000006 }, 365 { 0x01605000, 0x00000002 }, 366 { 0x00065000, 0x00000002 }, 367 { 0x00098000, 0x00000002 }, 368 { 0x00061000, 0x00000002 }, 369 { 0x64c0603e, 0x00000004 }, 370 { 0x000380e6, 0x00000002 }, 371 { 0x040025c5, 0x00000002 }, 372 { 0x00080000, 0x00000016 }, 373 { 0000000000, 0000000000 }, 374 { 0x0400251d, 0x00000002 }, 375 { 0x00007580, 0x00000002 }, 376 { 0x00067581, 0x00000002 }, 377 { 0x04002580, 0x00000002 }, 378 { 0x00067581, 0x00000002 }, 379 { 0x00000049, 0x00000004 }, 380 { 0x00005000, 0000000000 }, 381 { 0x000380e6, 0x00000002 }, 382 { 0x040025c5, 0x00000002 }, 383 { 0x00061000, 0x00000002 }, 384 { 0x0000750e, 0x00000002 }, 385 { 0x00019000, 0x00000002 }, 386 { 0x00011055, 0x00000014 }, 387 { 0x00000055, 0x00000012 }, 388 { 0x0400250f, 0x00000002 }, 389 { 0x0000504f, 0x00000004 }, 390 { 0x000380e6, 0x00000002 }, 391 { 0x040025c5, 0x00000002 }, 392 { 0x00007565, 0x00000002 }, 393 { 0x00007566, 0x00000002 }, 394 { 0x00000058, 0x00000004 }, 395 { 0x000380e6, 0x00000002 }, 396 { 0x040025c5, 0x00000002 }, 397 { 0x01e655b4, 0x00000002 }, 398 { 0x4401b0e4, 0x00000002 }, 399 { 0x01c110e4, 0x00000002 }, 400 { 0x26667066, 0x00000018 }, 401 { 0x040c2565, 0x00000002 }, 402 { 0x00000066, 0x00000018 }, 403 { 0x04002564, 0x00000002 }, 404 { 0x00007566, 0x00000002 }, 405 { 0x0000005d, 0x00000004 }, 406 { 0x00401069, 0x00000008 }, 407 { 0x00101000, 0x00000002 }, 408 { 0x000d80ff, 0x00000002 }, 409 { 0x0080006c, 0x00000008 }, 410 { 0x000f9000, 0x00000002 }, 411 { 0x000e00ff, 0x00000002 }, 412 { 0000000000, 0x00000006 }, 413 { 0x0000008f, 0x00000018 }, 414 { 0x0000005b, 0x00000004 }, 415 { 0x000380e6, 0x00000002 }, 416 { 0x040025c5, 0x00000002 }, 417 { 0x00007576, 0x00000002 }, 418 { 0x00065000, 0x00000002 }, 419 { 0x00009000, 0x00000002 }, 420 { 0x00041000, 0x00000002 }, 421 { 0x0c00350e, 0x00000002 }, 422 { 0x00049000, 0x00000002 }, 423 { 0x00051000, 0x00000002 }, 424 { 0x01e785f8, 0x00000002 }, 425 { 0x00200000, 0x00000002 }, 426 { 0x0060007e, 0x0000000c }, 427 { 0x00007563, 0x00000002 }, 428 { 0x006075f0, 0x00000021 }, 429 { 0x20007073, 0x00000004 }, 430 { 0x00005073, 0x00000004 }, 431 { 0x000380e6, 0x00000002 }, 432 { 0x040025c5, 0x00000002 }, 433 { 0x00007576, 0x00000002 }, 434 { 0x00007577, 0x00000002 }, 435 { 0x0000750e, 0x00000002 }, 436 { 0x0000750f, 0x00000002 }, 437 { 0x00a05000, 0x00000002 }, 438 { 0x00600083, 0x0000000c }, 439 { 0x006075f0, 0x00000021 }, 440 { 0x000075f8, 0x00000002 }, 441 { 0x00000083, 0x00000004 }, 442 { 0x000a750e, 0x00000002 }, 443 { 0x000380e6, 0x00000002 }, 444 { 0x040025c5, 0x00000002 }, 445 { 0x0020750f, 0x00000002 }, 446 { 0x00600086, 0x00000004 }, 447 { 0x00007570, 0x00000002 }, 448 { 0x00007571, 0x00000002 }, 449 { 0x00007572, 0x00000006 }, 450 { 0x000380e6, 0x00000002 }, 451 { 0x040025c5, 0x00000002 }, 452 { 0x00005000, 0x00000002 }, 453 { 0x00a05000, 0x00000002 }, 454 { 0x00007568, 0x00000002 }, 455 { 0x00061000, 0x00000002 }, 456 { 0x00000095, 0x0000000c }, 457 { 0x00058000, 0x00000002 }, 458 { 0x0c607562, 0x00000002 }, 459 { 0x00000097, 0x00000004 }, 460 { 0x000380e6, 0x00000002 }, 461 { 0x040025c5, 0x00000002 }, 462 { 0x00600096, 0x00000004 }, 463 { 0x400070e5, 0000000000 }, 464 { 0x000380e6, 0x00000002 }, 465 { 0x040025c5, 0x00000002 }, 466 { 0x000380e5, 0x00000002 }, 467 { 0x000000a8, 0x0000001c }, 468 { 0x000650aa, 0x00000018 }, 469 { 0x040025bb, 0x00000002 }, 470 { 0x000610ab, 0x00000018 }, 471 { 0x040075bc, 0000000000 }, 472 { 0x000075bb, 0x00000002 }, 473 { 0x000075bc, 0000000000 }, 474 { 0x00090000, 0x00000006 }, 475 { 0x00090000, 0x00000002 }, 476 { 0x000d8002, 0x00000006 }, 477 { 0x00007832, 0x00000002 }, 478 { 0x00005000, 0x00000002 }, 479 { 0x000380e7, 0x00000002 }, 480 { 0x04002c97, 0x00000002 }, 481 { 0x00007820, 0x00000002 }, 482 { 0x00007821, 0x00000002 }, 483 { 0x00007800, 0000000000 }, 484 { 0x01200000, 0x00000002 }, 485 { 0x20077000, 0x00000002 }, 486 { 0x01200000, 0x00000002 }, 487 { 0x20007000, 0x00000002 }, 488 { 0x00061000, 0x00000002 }, 489 { 0x0120751b, 0x00000002 }, 490 { 0x8040750a, 0x00000002 }, 491 { 0x8040750b, 0x00000002 }, 492 { 0x00110000, 0x00000002 }, 493 { 0x000380e5, 0x00000002 }, 494 { 0x000000c6, 0x0000001c }, 495 { 0x000610ab, 0x00000018 }, 496 { 0x844075bd, 0x00000002 }, 497 { 0x000610aa, 0x00000018 }, 498 { 0x840075bb, 0x00000002 }, 499 { 0x000610ab, 0x00000018 }, 500 { 0x844075bc, 0x00000002 }, 501 { 0x000000c9, 0x00000004 }, 502 { 0x804075bd, 0x00000002 }, 503 { 0x800075bb, 0x00000002 }, 504 { 0x804075bc, 0x00000002 }, 505 { 0x00108000, 0x00000002 }, 506 { 0x01400000, 0x00000002 }, 507 { 0x006000cd, 0x0000000c }, 508 { 0x20c07000, 0x00000020 }, 509 { 0x000000cf, 0x00000012 }, 510 { 0x00800000, 0x00000006 }, 511 { 0x0080751d, 0x00000006 }, 512 { 0000000000, 0000000000 }, 513 { 0x0000775c, 0x00000002 }, 514 { 0x00a05000, 0x00000002 }, 515 { 0x00661000, 0x00000002 }, 516 { 0x0460275d, 0x00000020 }, 517 { 0x00004000, 0000000000 }, 518 { 0x01e00830, 0x00000002 }, 519 { 0x21007000, 0000000000 }, 520 { 0x6464614d, 0000000000 }, 521 { 0x69687420, 0000000000 }, 522 { 0x00000073, 0000000000 }, 523 { 0000000000, 0000000000 }, 524 { 0x00005000, 0x00000002 }, 525 { 0x000380d0, 0x00000002 }, 526 { 0x040025e0, 0x00000002 }, 527 { 0x000075e1, 0000000000 }, 528 { 0x00000001, 0000000000 }, 529 { 0x000380e0, 0x00000002 }, 530 { 0x04002394, 0x00000002 }, 531 { 0x00005000, 0000000000 }, 532 { 0000000000, 0000000000 }, 533 { 0000000000, 0000000000 }, 534 { 0x00000008, 0000000000 }, 535 { 0x00000004, 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 { 0000000000, 0000000000 }, 559 { 0000000000, 0000000000 }, 560}; 561 562 563int RADEON_READ_PLL(drm_device_t *dev, int addr) 564{ 565 drm_radeon_private_t *dev_priv = dev->dev_private; 566 567 RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f); 568 return RADEON_READ(RADEON_CLOCK_CNTL_DATA); 569} 570 571#if RADEON_FIFO_DEBUG 572static void radeon_status( drm_radeon_private_t *dev_priv ) 573{ 574 printk( "%s:\n", __FUNCTION__ ); 575 printk( "RBBM_STATUS = 0x%08x\n", 576 (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) ); 577 printk( "CP_RB_RTPR = 0x%08x\n", 578 (unsigned int)RADEON_READ( RADEON_CP_RB_RPTR ) ); 579 printk( "CP_RB_WTPR = 0x%08x\n", 580 (unsigned int)RADEON_READ( RADEON_CP_RB_WPTR ) ); 581 printk( "AIC_CNTL = 0x%08x\n", 582 (unsigned int)RADEON_READ( RADEON_AIC_CNTL ) ); 583 printk( "AIC_STAT = 0x%08x\n", 584 (unsigned int)RADEON_READ( RADEON_AIC_STAT ) ); 585 printk( "AIC_PT_BASE = 0x%08x\n", 586 (unsigned int)RADEON_READ( RADEON_AIC_PT_BASE ) ); 587 printk( "TLB_ADDR = 0x%08x\n", 588 (unsigned int)RADEON_READ( RADEON_AIC_TLB_ADDR ) ); 589 printk( "TLB_DATA = 0x%08x\n", 590 (unsigned int)RADEON_READ( RADEON_AIC_TLB_DATA ) ); 591} 592#endif 593 594 595/* ================================================================ 596 * Engine, FIFO control 597 */ 598 599static int radeon_do_pixcache_flush( drm_radeon_private_t *dev_priv ) 600{ 601 u32 tmp; 602 int i; 603 604 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; 605 606 tmp = RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ); 607 tmp |= RADEON_RB2D_DC_FLUSH_ALL; 608 RADEON_WRITE( RADEON_RB2D_DSTCACHE_CTLSTAT, tmp ); 609 610 for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { 611 if ( !(RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ) 612 & RADEON_RB2D_DC_BUSY) ) { 613 return 0; 614 } 615 DRM_UDELAY( 1 ); 616 } 617 618#if RADEON_FIFO_DEBUG 619 DRM_ERROR( "failed!\n" ); 620 radeon_status( dev_priv ); 621#endif 622 return DRM_ERR(EBUSY); 623} 624 625static int radeon_do_wait_for_fifo( drm_radeon_private_t *dev_priv, 626 int entries ) 627{ 628 int i; 629 630 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; 631 632 for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { 633 int slots = ( RADEON_READ( RADEON_RBBM_STATUS ) 634 & RADEON_RBBM_FIFOCNT_MASK ); 635 if ( slots >= entries ) return 0; 636 DRM_UDELAY( 1 ); 637 } 638 639#if RADEON_FIFO_DEBUG 640 DRM_ERROR( "failed!\n" ); 641 radeon_status( dev_priv ); 642#endif 643 return DRM_ERR(EBUSY); 644} 645 646static int radeon_do_wait_for_idle( drm_radeon_private_t *dev_priv ) 647{ 648 int i, ret; 649 650 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; 651 652 ret = radeon_do_wait_for_fifo( dev_priv, 64 ); 653 if ( ret ) return ret; 654 655 for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { 656 if ( !(RADEON_READ( RADEON_RBBM_STATUS ) 657 & RADEON_RBBM_ACTIVE) ) { 658 radeon_do_pixcache_flush( dev_priv ); 659 return 0; 660 } 661 DRM_UDELAY( 1 ); 662 } 663 664#if RADEON_FIFO_DEBUG 665 DRM_ERROR( "failed!\n" ); 666 radeon_status( dev_priv ); 667#endif 668 return DRM_ERR(EBUSY); 669} 670 671 672/* ================================================================ 673 * CP control, initialization 674 */ 675 676/* Load the microcode for the CP */ 677static void radeon_cp_load_microcode( drm_radeon_private_t *dev_priv ) 678{ 679 int i; 680 DRM_DEBUG( "\n" ); 681 682 radeon_do_wait_for_idle( dev_priv ); 683 684 RADEON_WRITE( RADEON_CP_ME_RAM_ADDR, 0 ); 685 686 if (dev_priv->is_r200) 687 { 688 DRM_INFO("Loading R200 Microcode\n"); 689 for ( i = 0 ; i < 256 ; i++ ) 690 { 691 RADEON_WRITE( RADEON_CP_ME_RAM_DATAH, 692 R200_cp_microcode[i][1] ); 693 RADEON_WRITE( RADEON_CP_ME_RAM_DATAL, 694 R200_cp_microcode[i][0] ); 695 } 696 } 697 else 698 { 699 for ( i = 0 ; i < 256 ; i++ ) { 700 RADEON_WRITE( RADEON_CP_ME_RAM_DATAH, 701 radeon_cp_microcode[i][1] ); 702 RADEON_WRITE( RADEON_CP_ME_RAM_DATAL, 703 radeon_cp_microcode[i][0] ); 704 } 705 } 706} 707 708/* Flush any pending commands to the CP. This should only be used just 709 * prior to a wait for idle, as it informs the engine that the command 710 * stream is ending. 711 */ 712static void radeon_do_cp_flush( drm_radeon_private_t *dev_priv ) 713{ 714 DRM_DEBUG( "\n" ); 715#if 0 716 u32 tmp; 717 718 tmp = RADEON_READ( RADEON_CP_RB_WPTR ) | (1 << 31); 719 RADEON_WRITE( RADEON_CP_RB_WPTR, tmp ); 720#endif 721} 722 723/* Wait for the CP to go idle. 724 */ 725int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ) 726{ 727 RING_LOCALS; 728 DRM_DEBUG( "\n" ); 729 730 BEGIN_RING( 6 ); 731 732 RADEON_PURGE_CACHE(); 733 RADEON_PURGE_ZCACHE(); 734 RADEON_WAIT_UNTIL_IDLE(); 735 736 ADVANCE_RING(); 737 COMMIT_RING(); 738 739 return radeon_do_wait_for_idle( dev_priv ); 740} 741 742/* Start the Command Processor. 743 */ 744static void radeon_do_cp_start( drm_radeon_private_t *dev_priv ) 745{ 746 RING_LOCALS; 747 DRM_DEBUG( "\n" ); 748 749 radeon_do_wait_for_idle( dev_priv ); 750 751 RADEON_WRITE( RADEON_CP_CSQ_CNTL, dev_priv->cp_mode ); 752 753 dev_priv->cp_running = 1; 754 755 BEGIN_RING( 6 ); 756 757 RADEON_PURGE_CACHE(); 758 RADEON_PURGE_ZCACHE(); 759 RADEON_WAIT_UNTIL_IDLE(); 760 761 ADVANCE_RING(); 762 COMMIT_RING(); 763} 764 765/* Reset the Command Processor. This will not flush any pending 766 * commands, so you must wait for the CP command stream to complete 767 * before calling this routine. 768 */ 769static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv ) 770{ 771 u32 cur_read_ptr; 772 DRM_DEBUG( "\n" ); 773 774 cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); 775 RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); 776 SET_RING_HEAD( dev_priv, cur_read_ptr ); 777 dev_priv->ring.tail = cur_read_ptr; 778} 779 780/* Stop the Command Processor. This will not flush any pending 781 * commands, so you must flush the command stream and wait for the CP 782 * to go idle before calling this routine. 783 */ 784static void radeon_do_cp_stop( drm_radeon_private_t *dev_priv ) 785{ 786 DRM_DEBUG( "\n" ); 787 788 RADEON_WRITE( RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS ); 789 790 dev_priv->cp_running = 0; 791} 792 793/* Reset the engine. This will stop the CP if it is running. 794 */ 795static int radeon_do_engine_reset( drm_device_t *dev ) 796{ 797 drm_radeon_private_t *dev_priv = dev->dev_private; 798 u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset; 799 DRM_DEBUG( "\n" ); 800 801 radeon_do_pixcache_flush( dev_priv ); 802 803 clock_cntl_index = RADEON_READ( RADEON_CLOCK_CNTL_INDEX ); 804 mclk_cntl = RADEON_READ_PLL( dev, RADEON_MCLK_CNTL ); 805 806 RADEON_WRITE_PLL( RADEON_MCLK_CNTL, ( mclk_cntl | 807 RADEON_FORCEON_MCLKA | 808 RADEON_FORCEON_MCLKB | 809 RADEON_FORCEON_YCLKA | 810 RADEON_FORCEON_YCLKB | 811 RADEON_FORCEON_MC | 812 RADEON_FORCEON_AIC ) ); 813 814 rbbm_soft_reset = RADEON_READ( RADEON_RBBM_SOFT_RESET ); 815 816 RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset | 817 RADEON_SOFT_RESET_CP | 818 RADEON_SOFT_RESET_HI | 819 RADEON_SOFT_RESET_SE | 820 RADEON_SOFT_RESET_RE | 821 RADEON_SOFT_RESET_PP | 822 RADEON_SOFT_RESET_E2 | 823 RADEON_SOFT_RESET_RB ) ); 824 RADEON_READ( RADEON_RBBM_SOFT_RESET ); 825 RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset & 826 ~( RADEON_SOFT_RESET_CP | 827 RADEON_SOFT_RESET_HI | 828 RADEON_SOFT_RESET_SE | 829 RADEON_SOFT_RESET_RE | 830 RADEON_SOFT_RESET_PP | 831 RADEON_SOFT_RESET_E2 | 832 RADEON_SOFT_RESET_RB ) ) ); 833 RADEON_READ( RADEON_RBBM_SOFT_RESET ); 834 835 836 RADEON_WRITE_PLL( RADEON_MCLK_CNTL, mclk_cntl ); 837 RADEON_WRITE( RADEON_CLOCK_CNTL_INDEX, clock_cntl_index ); 838 RADEON_WRITE( RADEON_RBBM_SOFT_RESET, rbbm_soft_reset ); 839 840 /* Reset the CP ring */ 841 radeon_do_cp_reset( dev_priv ); 842 843 /* The CP is no longer running after an engine reset */ 844 dev_priv->cp_running = 0; 845 846 /* Reset any pending vertex, indirect buffers */ 847 radeon_freelist_reset( dev ); 848 849 return 0; 850} 851 852static void radeon_cp_init_ring_buffer( drm_device_t *dev, 853 drm_radeon_private_t *dev_priv ) 854{ 855 u32 ring_start, cur_read_ptr; 856 u32 tmp; 857 858 /* Initialize the memory controller */ 859 RADEON_WRITE( RADEON_MC_FB_LOCATION, 860 (dev_priv->agp_vm_start - 1) & 0xffff0000 ); 861 862 if ( !dev_priv->is_pci ) { 863 RADEON_WRITE( RADEON_MC_AGP_LOCATION, 864 (((dev_priv->agp_vm_start - 1 + 865 dev_priv->agp_size) & 0xffff0000) | 866 (dev_priv->agp_vm_start >> 16)) ); 867 } 868 869#if __REALLY_HAVE_AGP 870 if ( !dev_priv->is_pci ) 871 ring_start = (dev_priv->cp_ring->offset 872 - dev->agp->base 873 + dev_priv->agp_vm_start); 874 else 875#endif 876 ring_start = (dev_priv->cp_ring->offset 877 - dev->sg->handle 878 + dev_priv->agp_vm_start); 879 880 RADEON_WRITE( RADEON_CP_RB_BASE, ring_start ); 881 882 /* Set the write pointer delay */ 883 RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 ); 884 885 /* Initialize the ring buffer's read and write pointers */ 886 cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); 887 RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); 888 SET_RING_HEAD( dev_priv, cur_read_ptr ); 889 dev_priv->ring.tail = cur_read_ptr; 890 891#if __REALLY_HAVE_AGP 892 if ( !dev_priv->is_pci ) { 893 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, 894 dev_priv->ring_rptr->offset 895 - dev->agp->base 896 + dev_priv->agp_vm_start); 897 } else 898#endif 899 { 900 drm_sg_mem_t *entry = dev->sg; 901 unsigned long tmp_ofs, page_ofs; 902 903 tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle; 904 page_ofs = tmp_ofs >> PAGE_SHIFT; 905 906 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, 907 entry->busaddr[page_ofs]); 908 DRM_DEBUG( "ring rptr: offset=0x%08lx handle=0x%08lx\n", 909 (unsigned long) entry->busaddr[page_ofs], 910 entry->handle + tmp_ofs ); 911 } 912 913 /* Initialize the scratch register pointer. This will cause 914 * the scratch register values to be written out to memory 915 * whenever they are updated. 916 * 917 * We simply put this behind the ring read pointer, this works 918 * with PCI GART as well as (whatever kind of) AGP GART 919 */ 920 RADEON_WRITE( RADEON_SCRATCH_ADDR, RADEON_READ( RADEON_CP_RB_RPTR_ADDR ) 921 + RADEON_SCRATCH_REG_OFFSET ); 922 923 dev_priv->scratch = ((__volatile__ u32 *) 924 dev_priv->ring_rptr->handle + 925 (RADEON_SCRATCH_REG_OFFSET / sizeof(u32))); 926 927 RADEON_WRITE( RADEON_SCRATCH_UMSK, 0x7 ); 928 929 /* Writeback doesn't seem to work everywhere, test it first */ 930 DRM_WRITE32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0 ); 931 RADEON_WRITE( RADEON_SCRATCH_REG1, 0xdeadbeef ); 932 933 for ( tmp = 0 ; tmp < dev_priv->usec_timeout ; tmp++ ) { 934 if ( DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1) ) == 0xdeadbeef ) 935 break; 936 DRM_UDELAY( 1 ); 937 } 938 939 if ( tmp < dev_priv->usec_timeout ) { 940 dev_priv->writeback_works = 1; 941 DRM_DEBUG( "writeback test succeeded, tmp=%d\n", tmp ); 942 } else { 943 dev_priv->writeback_works = 0; 944 DRM_DEBUG( "writeback test failed\n" ); 945 } 946 947 dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0; 948 RADEON_WRITE( RADEON_LAST_FRAME_REG, 949 dev_priv->sarea_priv->last_frame ); 950 951 dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0; 952 RADEON_WRITE( RADEON_LAST_DISPATCH_REG, 953 dev_priv->sarea_priv->last_dispatch ); 954 955 dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0; 956 RADEON_WRITE( RADEON_LAST_CLEAR_REG, 957 dev_priv->sarea_priv->last_clear ); 958 959 /* Set ring buffer size */ 960#ifdef __BIG_ENDIAN 961 RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT ); 962#else 963 RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw ); 964#endif 965 966 radeon_do_wait_for_idle( dev_priv ); 967 968 /* Turn on bus mastering */ 969 tmp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS; 970 RADEON_WRITE( RADEON_BUS_CNTL, tmp ); 971 972 /* Sync everything up */ 973 RADEON_WRITE( RADEON_ISYNC_CNTL, 974 (RADEON_ISYNC_ANY2D_IDLE3D | 975 RADEON_ISYNC_ANY3D_IDLE2D | 976 RADEON_ISYNC_WAIT_IDLEGUI | 977 RADEON_ISYNC_CPSCRATCH_IDLEGUI) ); 978} 979 980/* Enable or disable PCI GART on the chip */ 981static void radeon_set_pcigart( drm_radeon_private_t *dev_priv, int on ) 982{ 983 u32 tmp = RADEON_READ( RADEON_AIC_CNTL ); 984 985 if ( on ) { 986 RADEON_WRITE( RADEON_AIC_CNTL, tmp | RADEON_PCIGART_TRANSLATE_EN ); 987 988 /* set PCI GART page-table base address 989 */ 990 RADEON_WRITE( RADEON_AIC_PT_BASE, dev_priv->bus_pci_gart ); 991 992 /* set address range for PCI address translate 993 */ 994 RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->agp_vm_start ); 995 RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->agp_vm_start 996 + dev_priv->agp_size - 1); 997 998 /* Turn off AGP aperture -- is this required for PCIGART? 999 */ 1000 RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */ 1001 RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */ 1002 } else { 1003 RADEON_WRITE( RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN ); 1004 } 1005} 1006 1007static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) 1008{ 1009 drm_radeon_private_t *dev_priv; 1010 DRM_DEBUG( "\n" ); 1011 1012 dev_priv = DRM(alloc)( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); 1013 if ( dev_priv == NULL ) 1014 return DRM_ERR(ENOMEM); 1015 1016 memset( dev_priv, 0, sizeof(drm_radeon_private_t) ); 1017 1018 dev_priv->is_pci = init->is_pci; 1019 1020 if ( dev_priv->is_pci && !dev->sg ) { 1021 DRM_ERROR( "PCI GART memory not allocated!\n" ); 1022 dev->dev_private = (void *)dev_priv; 1023 radeon_do_cleanup_cp(dev); 1024 return DRM_ERR(EINVAL); 1025 } 1026 1027 dev_priv->usec_timeout = init->usec_timeout; 1028 if ( dev_priv->usec_timeout < 1 || 1029 dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) { 1030 DRM_DEBUG( "TIMEOUT problem!\n" ); 1031 dev->dev_private = (void *)dev_priv; 1032 radeon_do_cleanup_cp(dev); 1033 return DRM_ERR(EINVAL); 1034 } 1035 1036 dev_priv->is_r200 = (init->func == RADEON_INIT_R200_CP); 1037 dev_priv->do_boxes = 0; 1038 dev_priv->cp_mode = init->cp_mode; 1039 1040 /* We don't support anything other than bus-mastering ring mode, 1041 * but the ring can be in either AGP or PCI space for the ring 1042 * read pointer. 1043 */ 1044 if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) && 1045 ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) { 1046 DRM_DEBUG( "BAD cp_mode (%x)!\n", init->cp_mode ); 1047 dev->dev_private = (void *)dev_priv; 1048 radeon_do_cleanup_cp(dev); 1049 return DRM_ERR(EINVAL); 1050 } 1051 1052 switch ( init->fb_bpp ) { 1053 case 16: 1054 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565; 1055 break; 1056 case 32: 1057 default: 1058 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888; 1059 break; 1060 } 1061 dev_priv->front_offset = init->front_offset; 1062 dev_priv->front_pitch = init->front_pitch; 1063 dev_priv->back_offset = init->back_offset; 1064 dev_priv->back_pitch = init->back_pitch; 1065 1066 switch ( init->depth_bpp ) { 1067 case 16: 1068 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z; 1069 break; 1070 case 32: 1071 default: 1072 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z; 1073 break; 1074 } 1075 dev_priv->depth_offset = init->depth_offset; 1076 dev_priv->depth_pitch = init->depth_pitch; 1077 1078 dev_priv->front_pitch_offset = (((dev_priv->front_pitch/64) << 22) | 1079 (dev_priv->front_offset >> 10)); 1080 dev_priv->back_pitch_offset = (((dev_priv->back_pitch/64) << 22) | 1081 (dev_priv->back_offset >> 10)); 1082 dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch/64) << 22) | 1083 (dev_priv->depth_offset >> 10)); 1084 1085 /* Hardware state for depth clears. Remove this if/when we no 1086 * longer clear the depth buffer with a 3D rectangle. Hard-code 1087 * all values to prevent unwanted 3D state from slipping through 1088 * and screwing with the clear operation. 1089 */ 1090 dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE | 1091 (dev_priv->color_fmt << 10) | 1092 (1<<15)); 1093 1094 dev_priv->depth_clear.rb3d_zstencilcntl = 1095 (dev_priv->depth_fmt | 1096 RADEON_Z_TEST_ALWAYS | 1097 RADEON_STENCIL_TEST_ALWAYS | 1098 RADEON_STENCIL_S_FAIL_REPLACE | 1099 RADEON_STENCIL_ZPASS_REPLACE | 1100 RADEON_STENCIL_ZFAIL_REPLACE | 1101 RADEON_Z_WRITE_ENABLE); 1102 1103 dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW | 1104 RADEON_BFACE_SOLID | 1105 RADEON_FFACE_SOLID | 1106 RADEON_FLAT_SHADE_VTX_LAST | 1107 RADEON_DIFFUSE_SHADE_FLAT | 1108 RADEON_ALPHA_SHADE_FLAT | 1109 RADEON_SPECULAR_SHADE_FLAT | 1110 RADEON_FOG_SHADE_FLAT | 1111 RADEON_VTX_PIX_CENTER_OGL | 1112 RADEON_ROUND_MODE_TRUNC | 1113 RADEON_ROUND_PREC_8TH_PIX); 1114 1115 DRM_GETSAREA(); 1116 1117 dev_priv->fb_offset = init->fb_offset; 1118 dev_priv->mmio_offset = init->mmio_offset; 1119 dev_priv->ring_offset = init->ring_offset; 1120 dev_priv->ring_rptr_offset = init->ring_rptr_offset; 1121 dev_priv->buffers_offset = init->buffers_offset; 1122 dev_priv->agp_textures_offset = init->agp_textures_offset; 1123 1124 if(!dev_priv->sarea) { 1125 DRM_ERROR("could not find sarea!\n"); 1126 dev->dev_private = (void *)dev_priv; 1127 radeon_do_cleanup_cp(dev); 1128 return DRM_ERR(EINVAL); 1129 } 1130 1131 DRM_FIND_MAP( dev_priv->fb, init->fb_offset ); 1132 if(!dev_priv->fb) { 1133 DRM_ERROR("could not find framebuffer!\n"); 1134 dev->dev_private = (void *)dev_priv; 1135 radeon_do_cleanup_cp(dev); 1136 return DRM_ERR(EINVAL); 1137 } 1138 DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); 1139 if(!dev_priv->mmio) { 1140 DRM_ERROR("could not find mmio region!\n"); 1141 dev->dev_private = (void *)dev_priv; 1142 radeon_do_cleanup_cp(dev); 1143 return DRM_ERR(EINVAL); 1144 } 1145 DRM_FIND_MAP( dev_priv->cp_ring, init->ring_offset ); 1146 if(!dev_priv->cp_ring) { 1147 DRM_ERROR("could not find cp ring region!\n"); 1148 dev->dev_private = (void *)dev_priv; 1149 radeon_do_cleanup_cp(dev); 1150 return DRM_ERR(EINVAL); 1151 } 1152 DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); 1153 if(!dev_priv->ring_rptr) { 1154 DRM_ERROR("could not find ring read pointer!\n"); 1155 dev->dev_private = (void *)dev_priv; 1156 radeon_do_cleanup_cp(dev); 1157 return DRM_ERR(EINVAL); 1158 } 1159 DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); 1160 if(!dev_priv->buffers) { 1161 DRM_ERROR("could not find dma buffer region!\n"); 1162 dev->dev_private = (void *)dev_priv; 1163 radeon_do_cleanup_cp(dev); 1164 return DRM_ERR(EINVAL); 1165 } 1166 1167 if ( !dev_priv->is_pci ) { 1168 DRM_FIND_MAP( dev_priv->agp_textures, 1169 init->agp_textures_offset ); 1170 if(!dev_priv->agp_textures) { 1171 DRM_ERROR("could not find agp texture region!\n"); 1172 dev->dev_private = (void *)dev_priv; 1173 radeon_do_cleanup_cp(dev); 1174 return DRM_ERR(EINVAL); 1175 } 1176 } 1177 1178 dev_priv->sarea_priv = 1179 (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle + 1180 init->sarea_priv_offset); 1181 1182#if __REALLY_HAVE_AGP 1183 if ( !dev_priv->is_pci ) { 1184 DRM_IOREMAP( dev_priv->cp_ring, dev ); 1185 DRM_IOREMAP( dev_priv->ring_rptr, dev ); 1186 DRM_IOREMAP( dev_priv->buffers, dev ); 1187 if(!dev_priv->cp_ring->handle || 1188 !dev_priv->ring_rptr->handle || 1189 !dev_priv->buffers->handle) { 1190 DRM_ERROR("could not find ioremap agp regions!\n"); 1191 dev->dev_private = (void *)dev_priv; 1192 radeon_do_cleanup_cp(dev); 1193 return DRM_ERR(EINVAL); 1194 } 1195 } else 1196#endif 1197 { 1198 dev_priv->cp_ring->handle = 1199 (void *)dev_priv->cp_ring->offset; 1200 dev_priv->ring_rptr->handle = 1201 (void *)dev_priv->ring_rptr->offset; 1202 dev_priv->buffers->handle = (void *)dev_priv->buffers->offset; 1203 1204 DRM_DEBUG( "dev_priv->cp_ring->handle %p\n", 1205 dev_priv->cp_ring->handle ); 1206 DRM_DEBUG( "dev_priv->ring_rptr->handle %p\n", 1207 dev_priv->ring_rptr->handle ); 1208 DRM_DEBUG( "dev_priv->buffers->handle %p\n", 1209 dev_priv->buffers->handle ); 1210 } 1211 1212 1213 dev_priv->agp_size = init->agp_size; 1214 dev_priv->agp_vm_start = RADEON_READ( RADEON_CONFIG_APER_SIZE ); 1215#if __REALLY_HAVE_AGP 1216 if ( !dev_priv->is_pci ) 1217 dev_priv->agp_buffers_offset = (dev_priv->buffers->offset 1218 - dev->agp->base 1219 + dev_priv->agp_vm_start); 1220 else 1221#endif 1222 dev_priv->agp_buffers_offset = (dev_priv->buffers->offset 1223 - dev->sg->handle 1224 + dev_priv->agp_vm_start); 1225 1226 DRM_DEBUG( "dev_priv->agp_size %d\n", 1227 dev_priv->agp_size ); 1228 DRM_DEBUG( "dev_priv->agp_vm_start 0x%x\n", 1229 dev_priv->agp_vm_start ); 1230 DRM_DEBUG( "dev_priv->agp_buffers_offset 0x%lx\n", 1231 dev_priv->agp_buffers_offset ); 1232 1233 dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle; 1234 dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle 1235 + init->ring_size / sizeof(u32)); 1236 dev_priv->ring.size = init->ring_size; 1237 dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 ); 1238 1239 dev_priv->ring.tail_mask = 1240 (dev_priv->ring.size / sizeof(u32)) - 1; 1241 1242 dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK; 1243 1244#if __REALLY_HAVE_AGP 1245 if ( !dev_priv->is_pci ) { 1246 /* Turn off PCI GART */ 1247 radeon_set_pcigart( dev_priv, 0 ); 1248 } else 1249#endif 1250 { 1251 if (!DRM(ati_pcigart_init)( dev, &dev_priv->phys_pci_gart, 1252 &dev_priv->bus_pci_gart)) { 1253 DRM_ERROR( "failed to init PCI GART!\n" ); 1254 dev->dev_private = (void *)dev_priv; 1255 radeon_do_cleanup_cp(dev); 1256 return DRM_ERR(ENOMEM); 1257 } 1258 1259 /* Turn on PCI GART */ 1260 radeon_set_pcigart( dev_priv, 1 ); 1261 } 1262 1263 radeon_cp_load_microcode( dev_priv ); 1264 radeon_cp_init_ring_buffer( dev, dev_priv ); 1265 1266 dev_priv->last_buf = 0; 1267 1268 dev->dev_private = (void *)dev_priv; 1269 1270 radeon_do_engine_reset( dev ); 1271 1272 return 0; 1273} 1274 1275int radeon_do_cleanup_cp( drm_device_t *dev ) 1276{ 1277 DRM_DEBUG( "\n" ); 1278 1279#if _HAVE_DMA_IRQ 1280 /* Make sure interrupts are disabled here because the uninstall ioctl 1281 * may not have been called from userspace and after dev_private 1282 * is freed, it's too late. 1283 */ 1284 if ( dev->irq ) DRM(irq_uninstall)(dev); 1285#endif 1286 1287 if ( dev->dev_private ) { 1288 drm_radeon_private_t *dev_priv = dev->dev_private; 1289 1290#if __REALLY_HAVE_AGP 1291 if ( !dev_priv->is_pci ) { 1292 if ( dev_priv->cp_ring != NULL ) 1293 DRM_IOREMAPFREE( dev_priv->cp_ring, dev ); 1294 if ( dev_priv->ring_rptr != NULL ) 1295 DRM_IOREMAPFREE( dev_priv->ring_rptr, dev ); 1296 if ( dev_priv->buffers != NULL ) 1297 DRM_IOREMAPFREE( dev_priv->buffers, dev ); 1298 } else 1299#endif 1300 { 1301 if (!DRM(ati_pcigart_cleanup)( dev, 1302 dev_priv->phys_pci_gart, 1303 dev_priv->bus_pci_gart )) 1304 DRM_ERROR( "failed to cleanup PCI GART!\n" ); 1305 } 1306 1307 DRM(free)( dev->dev_private, sizeof(drm_radeon_private_t), 1308 DRM_MEM_DRIVER ); 1309 dev->dev_private = NULL; 1310 } 1311 1312 return 0; 1313} 1314 1315/* This code will reinit the Radeon CP hardware after a resume from disc. 1316 * AFAIK, it would be very difficult to pickle the state at suspend time, so 1317 * here we make sure that all Radeon hardware initialisation is re-done without 1318 * affecting running applications. 1319 * 1320 * Charl P. Botha <http://cpbotha.net> 1321 */ 1322static int radeon_do_resume_cp( drm_device_t *dev ) 1323{ 1324 drm_radeon_private_t *dev_priv = dev->dev_private; 1325 1326 if ( !dev_priv ) { 1327 DRM_ERROR( "Called with no initialization\n" ); 1328 return DRM_ERR( EINVAL ); 1329 } 1330 1331 DRM_DEBUG("Starting radeon_do_resume_cp()\n"); 1332 1333#if __REALLY_HAVE_AGP 1334 if ( !dev_priv->is_pci ) { 1335 /* Turn off PCI GART */ 1336 radeon_set_pcigart( dev_priv, 0 ); 1337 } else 1338#endif 1339 { 1340 /* Turn on PCI GART */ 1341 radeon_set_pcigart( dev_priv, 1 ); 1342 } 1343 1344 radeon_cp_load_microcode( dev_priv ); 1345 radeon_cp_init_ring_buffer( dev, dev_priv ); 1346 1347 radeon_do_engine_reset( dev ); 1348 1349 DRM_DEBUG("radeon_do_resume_cp() complete\n"); 1350 1351 return 0; 1352} 1353 1354 1355int radeon_cp_init( DRM_IOCTL_ARGS ) 1356{ 1357 DRM_DEVICE; 1358 drm_radeon_init_t init; 1359 1360 LOCK_TEST_WITH_RETURN( dev, filp ); 1361 1362 DRM_COPY_FROM_USER_IOCTL( init, (drm_radeon_init_t *)data, sizeof(init) ); 1363 1364 switch ( init.func ) { 1365 case RADEON_INIT_CP: 1366 case RADEON_INIT_R200_CP: 1367 return radeon_do_init_cp( dev, &init ); 1368 case RADEON_CLEANUP_CP: 1369 return radeon_do_cleanup_cp( dev ); 1370 } 1371 1372 return DRM_ERR(EINVAL); 1373} 1374 1375int radeon_cp_start( DRM_IOCTL_ARGS ) 1376{ 1377 DRM_DEVICE; 1378 drm_radeon_private_t *dev_priv = dev->dev_private; 1379 DRM_DEBUG( "\n" ); 1380 1381 LOCK_TEST_WITH_RETURN( dev, filp ); 1382 1383 if ( dev_priv->cp_running ) { 1384 DRM_DEBUG( "%s while CP running\n", __FUNCTION__ ); 1385 return 0; 1386 } 1387 if ( dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS ) { 1388 DRM_DEBUG( "%s called with bogus CP mode (%d)\n", 1389 __FUNCTION__, dev_priv->cp_mode ); 1390 return 0; 1391 } 1392 1393 radeon_do_cp_start( dev_priv ); 1394 1395 return 0; 1396} 1397 1398/* Stop the CP. The engine must have been idled before calling this 1399 * routine. 1400 */ 1401int radeon_cp_stop( DRM_IOCTL_ARGS ) 1402{ 1403 DRM_DEVICE; 1404 drm_radeon_private_t *dev_priv = dev->dev_private; 1405 drm_radeon_cp_stop_t stop; 1406 int ret; 1407 DRM_DEBUG( "\n" ); 1408 1409 LOCK_TEST_WITH_RETURN( dev, filp ); 1410 1411 DRM_COPY_FROM_USER_IOCTL( stop, (drm_radeon_cp_stop_t *)data, sizeof(stop) ); 1412 1413 if (!dev_priv->cp_running) 1414 return 0; 1415 1416 /* Flush any pending CP commands. This ensures any outstanding 1417 * commands are exectuted by the engine before we turn it off. 1418 */ 1419 if ( stop.flush ) { 1420 radeon_do_cp_flush( dev_priv ); 1421 } 1422 1423 /* If we fail to make the engine go idle, we return an error 1424 * code so that the DRM ioctl wrapper can try again. 1425 */ 1426 if ( stop.idle ) { 1427 ret = radeon_do_cp_idle( dev_priv ); 1428 if ( ret ) return ret; 1429 } 1430 1431 /* Finally, we can turn off the CP. If the engine isn't idle, 1432 * we will get some dropped triangles as they won't be fully 1433 * rendered before the CP is shut down. 1434 */ 1435 radeon_do_cp_stop( dev_priv ); 1436 1437 /* Reset the engine */ 1438 radeon_do_engine_reset( dev ); 1439 1440 return 0; 1441} 1442 1443 1444void radeon_do_release( drm_device_t *dev ) 1445{ 1446 drm_radeon_private_t *dev_priv = dev->dev_private; 1447 int ret; 1448 1449 if (dev_priv) { 1450 if (dev_priv->cp_running) { 1451 /* Stop the cp */ 1452 while ((ret = radeon_do_cp_idle( dev_priv )) != 0) { 1453 DRM_DEBUG("radeon_do_cp_idle %d\n", ret); 1454#ifdef __linux__ 1455 schedule(); 1456#else 1457 tsleep(&ret, PZERO, "rdnrel", 1); 1458#endif 1459 } 1460 radeon_do_cp_stop( dev_priv ); 1461 radeon_do_engine_reset( dev ); 1462 } 1463 1464 /* Disable *all* interrupts */ 1465 RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); 1466 1467 /* Free memory heap structures */ 1468 radeon_mem_takedown( &(dev_priv->agp_heap) ); 1469 radeon_mem_takedown( &(dev_priv->fb_heap) ); 1470 1471 /* deallocate kernel resources */ 1472 radeon_do_cleanup_cp( dev ); 1473 } 1474} 1475 1476/* Just reset the CP ring. Called as part of an X Server engine reset. 1477 */ 1478int radeon_cp_reset( DRM_IOCTL_ARGS ) 1479{ 1480 DRM_DEVICE; 1481 drm_radeon_private_t *dev_priv = dev->dev_private; 1482 DRM_DEBUG( "\n" ); 1483 1484 LOCK_TEST_WITH_RETURN( dev, filp ); 1485 1486 if ( !dev_priv ) { 1487 DRM_DEBUG( "%s called before init done\n", __FUNCTION__ ); 1488 return DRM_ERR(EINVAL); 1489 } 1490 1491 radeon_do_cp_reset( dev_priv ); 1492 1493 /* The CP is no longer running after an engine reset */ 1494 dev_priv->cp_running = 0; 1495 1496 return 0; 1497} 1498 1499int radeon_cp_idle( DRM_IOCTL_ARGS ) 1500{ 1501 DRM_DEVICE; 1502 drm_radeon_private_t *dev_priv = dev->dev_private; 1503 DRM_DEBUG( "\n" ); 1504 1505 LOCK_TEST_WITH_RETURN( dev, filp ); 1506 1507 return radeon_do_cp_idle( dev_priv ); 1508} 1509 1510/* Added by Charl P. Botha to call radeon_do_resume_cp(). 1511 */ 1512int radeon_cp_resume( DRM_IOCTL_ARGS ) 1513{ 1514 DRM_DEVICE; 1515 1516 return radeon_do_resume_cp(dev); 1517} 1518 1519 1520int radeon_engine_reset( DRM_IOCTL_ARGS ) 1521{ 1522 DRM_DEVICE; 1523 DRM_DEBUG( "\n" ); 1524 1525 LOCK_TEST_WITH_RETURN( dev, filp ); 1526 1527 return radeon_do_engine_reset( dev ); 1528} 1529 1530 1531/* ================================================================ 1532 * Fullscreen mode 1533 */ 1534 1535/* KW: Deprecated to say the least: 1536 */ 1537int radeon_fullscreen( DRM_IOCTL_ARGS ) 1538{ 1539 return 0; 1540} 1541 1542 1543/* ================================================================ 1544 * Freelist management 1545 */ 1546 1547/* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through 1548 * bufs until freelist code is used. Note this hides a problem with 1549 * the scratch register * (used to keep track of last buffer 1550 * completed) being written to before * the last buffer has actually 1551 * completed rendering. 1552 * 1553 * KW: It's also a good way to find free buffers quickly. 1554 * 1555 * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't 1556 * sleep. However, bugs in older versions of radeon_accel.c mean that 1557 * we essentially have to do this, else old clients will break. 1558 * 1559 * However, it does leave open a potential deadlock where all the 1560 * buffers are held by other clients, which can't release them because 1561 * they can't get the lock. 1562 */ 1563 1564drm_buf_t *radeon_freelist_get( drm_device_t *dev ) 1565{ 1566 drm_device_dma_t *dma = dev->dma; 1567 drm_radeon_private_t *dev_priv = dev->dev_private; 1568 drm_radeon_buf_priv_t *buf_priv; 1569 drm_buf_t *buf; 1570 int i, t; 1571 int start; 1572 1573 if ( ++dev_priv->last_buf >= dma->buf_count ) 1574 dev_priv->last_buf = 0; 1575 1576 start = dev_priv->last_buf; 1577 1578 for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) { 1579 u32 done_age = GET_SCRATCH( 1 ); 1580 DRM_DEBUG("done_age = %d\n",done_age); 1581 for ( i = start ; i < dma->buf_count ; i++ ) { 1582 buf = dma->buflist[i]; 1583 buf_priv = buf->dev_private; 1584 if ( buf->filp == 0 || (buf->pending && 1585 buf_priv->age <= done_age) ) { 1586 dev_priv->stats.requested_bufs++; 1587 buf->pending = 0; 1588 return buf; 1589 } 1590 start = 0; 1591 } 1592 1593 if (t) { 1594 DRM_UDELAY( 1 ); 1595 dev_priv->stats.freelist_loops++; 1596 } 1597 } 1598 1599 DRM_DEBUG( "returning NULL!\n" ); 1600 return NULL; 1601} 1602#if 0 1603drm_buf_t *radeon_freelist_get( drm_device_t *dev ) 1604{ 1605 drm_device_dma_t *dma = dev->dma; 1606 drm_radeon_private_t *dev_priv = dev->dev_private; 1607 drm_radeon_buf_priv_t *buf_priv; 1608 drm_buf_t *buf; 1609 int i, t; 1610 int start; 1611 u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)); 1612 1613 if ( ++dev_priv->last_buf >= dma->buf_count ) 1614 dev_priv->last_buf = 0; 1615 1616 start = dev_priv->last_buf; 1617 dev_priv->stats.freelist_loops++; 1618 1619 for ( t = 0 ; t < 2 ; t++ ) { 1620 for ( i = start ; i < dma->buf_count ; i++ ) { 1621 buf = dma->buflist[i]; 1622 buf_priv = buf->dev_private; 1623 if ( buf->filp == 0 || (buf->pending && 1624 buf_priv->age <= done_age) ) { 1625 dev_priv->stats.requested_bufs++; 1626 buf->pending = 0; 1627 return buf; 1628 } 1629 } 1630 start = 0; 1631 } 1632 1633 return NULL; 1634} 1635#endif 1636 1637void radeon_freelist_reset( drm_device_t *dev ) 1638{ 1639 drm_device_dma_t *dma = dev->dma; 1640 drm_radeon_private_t *dev_priv = dev->dev_private; 1641 int i; 1642 1643 dev_priv->last_buf = 0; 1644 for ( i = 0 ; i < dma->buf_count ; i++ ) { 1645 drm_buf_t *buf = dma->buflist[i]; 1646 drm_radeon_buf_priv_t *buf_priv = buf->dev_private; 1647 buf_priv->age = 0; 1648 } 1649} 1650 1651 1652/* ================================================================ 1653 * CP command submission 1654 */ 1655 1656int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ) 1657{ 1658 drm_radeon_ring_buffer_t *ring = &dev_priv->ring; 1659 int i; 1660 u32 last_head = GET_RING_HEAD( dev_priv ); 1661 1662 for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { 1663 u32 head = GET_RING_HEAD( dev_priv ); 1664 1665 ring->space = (head - ring->tail) * sizeof(u32); 1666 if ( ring->space <= 0 ) 1667 ring->space += ring->size; 1668 if ( ring->space > n ) 1669 return 0; 1670 1671 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; 1672 1673 if (head != last_head) 1674 i = 0; 1675 last_head = head; 1676 1677 DRM_UDELAY( 1 ); 1678 } 1679 1680 /* FIXME: This return value is ignored in the BEGIN_RING macro! */ 1681#if RADEON_FIFO_DEBUG 1682 radeon_status( dev_priv ); 1683 DRM_ERROR( "failed!\n" ); 1684#endif 1685 return DRM_ERR(EBUSY); 1686} 1687 1688static int radeon_cp_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d ) 1689{ 1690 int i; 1691 drm_buf_t *buf; 1692 1693 for ( i = d->granted_count ; i < d->request_count ; i++ ) { 1694 buf = radeon_freelist_get( dev ); 1695 if ( !buf ) return DRM_ERR(EBUSY); /* NOTE: broken client */ 1696 1697 buf->filp = filp; 1698 1699 if ( DRM_COPY_TO_USER( &d->request_indices[i], &buf->idx, 1700 sizeof(buf->idx) ) ) 1701 return DRM_ERR(EFAULT); 1702 if ( DRM_COPY_TO_USER( &d->request_sizes[i], &buf->total, 1703 sizeof(buf->total) ) ) 1704 return DRM_ERR(EFAULT); 1705 1706 d->granted_count++; 1707 } 1708 return 0; 1709} 1710 1711int radeon_cp_buffers( DRM_IOCTL_ARGS ) 1712{ 1713 DRM_DEVICE; 1714 drm_device_dma_t *dma = dev->dma; 1715 int ret = 0; 1716 drm_dma_t d; 1717 1718 LOCK_TEST_WITH_RETURN( dev, filp ); 1719 1720 DRM_COPY_FROM_USER_IOCTL( d, (drm_dma_t *)data, sizeof(d) ); 1721 1722 /* Please don't send us buffers. 1723 */ 1724 if ( d.send_count != 0 ) { 1725 DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", 1726 DRM_CURRENTPID, d.send_count ); 1727 return DRM_ERR(EINVAL); 1728 } 1729 1730 /* We'll send you buffers. 1731 */ 1732 if ( d.request_count < 0 || d.request_count > dma->buf_count ) { 1733 DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", 1734 DRM_CURRENTPID, d.request_count, dma->buf_count ); 1735 return DRM_ERR(EINVAL); 1736 } 1737 1738 d.granted_count = 0; 1739 1740 if ( d.request_count ) { 1741 ret = radeon_cp_get_buffers( filp, dev, &d ); 1742 } 1743 1744 DRM_COPY_TO_USER_IOCTL( (drm_dma_t *)data, d, sizeof(d) ); 1745 1746 return ret; 1747} 1748