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,
| 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,
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