Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/radeon_cp.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
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 * $FreeBSD$ 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) */ 43 static 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 }; 301 302 303 static 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 }; 561 562 563 int 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 572 static 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 */ 598 599 static 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 } 624 625 static 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 } 645 646 static 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 */ 677 static 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 */ 712 static 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 */ 725 int 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 */ 744 static 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 */ 769 static 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 */ 784 static 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 */ 795 static 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 } 851 852 static 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->gart_vm_start - 1 ) & 0xffff0000 ) 861 | ( dev_priv->fb_location >> 16 ) ); 862 863 #if __REALLY_HAVE_AGP 864 if ( !dev_priv->is_pci ) { 865 RADEON_WRITE( RADEON_MC_AGP_LOCATION, 866 (((dev_priv->gart_vm_start - 1 + 867 dev_priv->gart_size) & 0xffff0000) | 868 (dev_priv->gart_vm_start >> 16)) ); 869 870 ring_start = (dev_priv->cp_ring->offset 871 - dev->agp->base 872 + dev_priv->gart_vm_start); 873 } else 874 #endif 875 ring_start = (dev_priv->cp_ring->offset 876 - dev->sg->handle 877 + dev_priv->gart_vm_start); 878 879 RADEON_WRITE( RADEON_CP_RB_BASE, ring_start ); 880 881 /* Set the write pointer delay */ 882 RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 ); 883 884 /* Initialize the ring buffer's read and write pointers */ 885 cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); 886 RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); 887 SET_RING_HEAD( dev_priv, cur_read_ptr ); 888 dev_priv->ring.tail = cur_read_ptr; 889 890 #if __REALLY_HAVE_AGP 891 if ( !dev_priv->is_pci ) { 892 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, 893 dev_priv->ring_rptr->offset 894 - dev->agp->base 895 + dev_priv->gart_vm_start); 896 } else 897 #endif 898 { 899 drm_sg_mem_t *entry = dev->sg; 900 unsigned long tmp_ofs, page_ofs; 901 902 tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle; 903 page_ofs = tmp_ofs >> PAGE_SHIFT; 904 905 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, 906 entry->busaddr[page_ofs]); 907 DRM_DEBUG( "ring rptr: offset=0x%08lx handle=0x%08lx\n", 908 (unsigned long) entry->busaddr[page_ofs], 909 entry->handle + tmp_ofs ); 910 } 911 912 /* Initialize the scratch register pointer. This will cause 913 * the scratch register values to be written out to memory 914 * whenever they are updated. 915 * 916 * We simply put this behind the ring read pointer, this works 917 * with PCI GART as well as (whatever kind of) AGP GART 918 */ 919 RADEON_WRITE( RADEON_SCRATCH_ADDR, RADEON_READ( RADEON_CP_RB_RPTR_ADDR ) 920 + RADEON_SCRATCH_REG_OFFSET ); 921 922 dev_priv->scratch = ((__volatile__ u32 *) 923 dev_priv->ring_rptr->handle + 924 (RADEON_SCRATCH_REG_OFFSET / sizeof(u32))); 925 926 RADEON_WRITE( RADEON_SCRATCH_UMSK, 0x7 ); 927 928 /* Writeback doesn't seem to work everywhere, test it first */ 929 DRM_WRITE32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0 ); 930 RADEON_WRITE( RADEON_SCRATCH_REG1, 0xdeadbeef ); 931 932 for ( tmp = 0 ; tmp < dev_priv->usec_timeout ; tmp++ ) { 933 if ( DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1) ) == 0xdeadbeef ) 934 break; 935 DRM_UDELAY( 1 ); 936 } 937 938 if ( tmp < dev_priv->usec_timeout ) { 939 dev_priv->writeback_works = 1; 940 DRM_DEBUG( "writeback test succeeded, tmp=%d\n", tmp ); 941 } else { 942 dev_priv->writeback_works = 0; 943 DRM_DEBUG( "writeback test failed\n" ); 944 } 945 946 dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0; 947 RADEON_WRITE( RADEON_LAST_FRAME_REG, 948 dev_priv->sarea_priv->last_frame ); 949 950 dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0; 951 RADEON_WRITE( RADEON_LAST_DISPATCH_REG, 952 dev_priv->sarea_priv->last_dispatch ); 953 954 dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0; 955 RADEON_WRITE( RADEON_LAST_CLEAR_REG, 956 dev_priv->sarea_priv->last_clear ); 957 958 /* Set ring buffer size */ 959 #ifdef __BIG_ENDIAN 960 RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT ); 961 #else 962 RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw ); 963 #endif 964 965 radeon_do_wait_for_idle( dev_priv ); 966 967 /* Turn on bus mastering */ 968 tmp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS; 969 RADEON_WRITE( RADEON_BUS_CNTL, tmp ); 970 971 /* Sync everything up */ 972 RADEON_WRITE( RADEON_ISYNC_CNTL, 973 (RADEON_ISYNC_ANY2D_IDLE3D | 974 RADEON_ISYNC_ANY3D_IDLE2D | 975 RADEON_ISYNC_WAIT_IDLEGUI | 976 RADEON_ISYNC_CPSCRATCH_IDLEGUI) ); 977 } 978 979 /* Enable or disable PCI GART on the chip */ 980 static void radeon_set_pcigart( drm_radeon_private_t *dev_priv, int on ) 981 { 982 u32 tmp = RADEON_READ( RADEON_AIC_CNTL ); 983 984 if ( on ) { 985 RADEON_WRITE( RADEON_AIC_CNTL, tmp | RADEON_PCIGART_TRANSLATE_EN ); 986 987 /* set PCI GART page-table base address 988 */ 989 RADEON_WRITE( RADEON_AIC_PT_BASE, dev_priv->bus_pci_gart ); 990 991 /* set address range for PCI address translate 992 */ 993 RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start ); 994 RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start 995 + dev_priv->gart_size - 1); 996 997 /* Turn off AGP aperture -- is this required for PCI GART? 998 */ 999 RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */ 1000 RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */ 1001 } else { 1002 RADEON_WRITE( RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN ); 1003 } 1004 } 1005 1006 static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) 1007 { 1008 drm_radeon_private_t *dev_priv; 1009 DRM_DEBUG( "\n" ); 1010 1011 dev_priv = DRM(alloc)( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); 1012 if ( dev_priv == NULL ) 1013 return DRM_ERR(ENOMEM); 1014 1015 memset( dev_priv, 0, sizeof(drm_radeon_private_t) ); 1016 1017 dev_priv->is_pci = init->is_pci; 1018 1019 if ( dev_priv->is_pci && !dev->sg ) { 1020 DRM_ERROR( "PCI GART memory not allocated!\n" ); 1021 dev->dev_private = (void *)dev_priv; 1022 radeon_do_cleanup_cp(dev); 1023 return DRM_ERR(EINVAL); 1024 } 1025 1026 dev_priv->usec_timeout = init->usec_timeout; 1027 if ( dev_priv->usec_timeout < 1 || 1028 dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) { 1029 DRM_DEBUG( "TIMEOUT problem!\n" ); 1030 dev->dev_private = (void *)dev_priv; 1031 radeon_do_cleanup_cp(dev); 1032 return DRM_ERR(EINVAL); 1033 } 1034 1035 dev_priv->is_r200 = (init->func == RADEON_INIT_R200_CP); 1036 dev_priv->do_boxes = 0; 1037 dev_priv->cp_mode = init->cp_mode; 1038 1039 /* We don't support anything other than bus-mastering ring mode, 1040 * but the ring can be in either AGP or PCI space for the ring 1041 * read pointer. 1042 */ 1043 if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) && 1044 ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) { 1045 DRM_DEBUG( "BAD cp_mode (%x)!\n", init->cp_mode ); 1046 dev->dev_private = (void *)dev_priv; 1047 radeon_do_cleanup_cp(dev); 1048 return DRM_ERR(EINVAL); 1049 } 1050 1051 switch ( init->fb_bpp ) { 1052 case 16: 1053 dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565; 1054 break; 1055 case 32: 1056 default: 1057 dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888; 1058 break; 1059 } 1060 dev_priv->front_offset = init->front_offset; 1061 dev_priv->front_pitch = init->front_pitch; 1062 dev_priv->back_offset = init->back_offset; 1063 dev_priv->back_pitch = init->back_pitch; 1064 1065 switch ( init->depth_bpp ) { 1066 case 16: 1067 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z; 1068 break; 1069 case 32: 1070 default: 1071 dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z; 1072 break; 1073 } 1074 dev_priv->depth_offset = init->depth_offset; 1075 dev_priv->depth_pitch = init->depth_pitch; 1076 1077 /* Hardware state for depth clears. Remove this if/when we no 1078 * longer clear the depth buffer with a 3D rectangle. Hard-code 1079 * all values to prevent unwanted 3D state from slipping through 1080 * and screwing with the clear operation. 1081 */ 1082 dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE | 1083 (dev_priv->color_fmt << 10) | 1084 (1<<15)); 1085 1086 dev_priv->depth_clear.rb3d_zstencilcntl = 1087 (dev_priv->depth_fmt | 1088 RADEON_Z_TEST_ALWAYS | 1089 RADEON_STENCIL_TEST_ALWAYS | 1090 RADEON_STENCIL_S_FAIL_REPLACE | 1091 RADEON_STENCIL_ZPASS_REPLACE | 1092 RADEON_STENCIL_ZFAIL_REPLACE | 1093 RADEON_Z_WRITE_ENABLE); 1094 1095 dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW | 1096 RADEON_BFACE_SOLID | 1097 RADEON_FFACE_SOLID | 1098 RADEON_FLAT_SHADE_VTX_LAST | 1099 RADEON_DIFFUSE_SHADE_FLAT | 1100 RADEON_ALPHA_SHADE_FLAT | 1101 RADEON_SPECULAR_SHADE_FLAT | 1102 RADEON_FOG_SHADE_FLAT | 1103 RADEON_VTX_PIX_CENTER_OGL | 1104 RADEON_ROUND_MODE_TRUNC | 1105 RADEON_ROUND_PREC_8TH_PIX); 1106 1107 DRM_GETSAREA(); 1108 1109 dev_priv->fb_offset = init->fb_offset; 1110 dev_priv->mmio_offset = init->mmio_offset; 1111 dev_priv->ring_offset = init->ring_offset; 1112 dev_priv->ring_rptr_offset = init->ring_rptr_offset; 1113 dev_priv->buffers_offset = init->buffers_offset; 1114 dev_priv->gart_textures_offset = init->gart_textures_offset; 1115 1116 if(!dev_priv->sarea) { 1117 DRM_ERROR("could not find sarea!\n"); 1118 dev->dev_private = (void *)dev_priv; 1119 radeon_do_cleanup_cp(dev); 1120 return DRM_ERR(EINVAL); 1121 } 1122 1123 DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); 1124 if(!dev_priv->mmio) { 1125 DRM_ERROR("could not find mmio region!\n"); 1126 dev->dev_private = (void *)dev_priv; 1127 radeon_do_cleanup_cp(dev); 1128 return DRM_ERR(EINVAL); 1129 } 1130 DRM_FIND_MAP( dev_priv->cp_ring, init->ring_offset ); 1131 if(!dev_priv->cp_ring) { 1132 DRM_ERROR("could not find cp ring region!\n"); 1133 dev->dev_private = (void *)dev_priv; 1134 radeon_do_cleanup_cp(dev); 1135 return DRM_ERR(EINVAL); 1136 } 1137 DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); 1138 if(!dev_priv->ring_rptr) { 1139 DRM_ERROR("could not find ring read pointer!\n"); 1140 dev->dev_private = (void *)dev_priv; 1141 radeon_do_cleanup_cp(dev); 1142 return DRM_ERR(EINVAL); 1143 } 1144 DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); 1145 if(!dev_priv->buffers) { 1146 DRM_ERROR("could not find dma buffer region!\n"); 1147 dev->dev_private = (void *)dev_priv; 1148 radeon_do_cleanup_cp(dev); 1149 return DRM_ERR(EINVAL); 1150 } 1151 1152 if ( init->gart_textures_offset ) { 1153 DRM_FIND_MAP( dev_priv->gart_textures, init->gart_textures_offset ); 1154 if ( !dev_priv->gart_textures ) { 1155 DRM_ERROR("could not find GART texture region!\n"); 1156 dev->dev_private = (void *)dev_priv; 1157 radeon_do_cleanup_cp(dev); 1158 return DRM_ERR(EINVAL); 1159 } 1160 } 1161 1162 dev_priv->sarea_priv = 1163 (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle + 1164 init->sarea_priv_offset); 1165 1166 #if __REALLY_HAVE_AGP 1167 if ( !dev_priv->is_pci ) { 1168 DRM_IOREMAP( dev_priv->cp_ring, dev ); 1169 DRM_IOREMAP( dev_priv->ring_rptr, dev ); 1170 DRM_IOREMAP( dev_priv->buffers, dev ); 1171 if(!dev_priv->cp_ring->handle || 1172 !dev_priv->ring_rptr->handle || 1173 !dev_priv->buffers->handle) { 1174 DRM_ERROR("could not find ioremap agp regions!\n"); 1175 dev->dev_private = (void *)dev_priv; 1176 radeon_do_cleanup_cp(dev); 1177 return DRM_ERR(EINVAL); 1178 } 1179 } else 1180 #endif 1181 { 1182 dev_priv->cp_ring->handle = 1183 (void *)dev_priv->cp_ring->offset; 1184 dev_priv->ring_rptr->handle = 1185 (void *)dev_priv->ring_rptr->offset; 1186 dev_priv->buffers->handle = (void *)dev_priv->buffers->offset; 1187 1188 DRM_DEBUG( "dev_priv->cp_ring->handle %p\n", 1189 dev_priv->cp_ring->handle ); 1190 DRM_DEBUG( "dev_priv->ring_rptr->handle %p\n", 1191 dev_priv->ring_rptr->handle ); 1192 DRM_DEBUG( "dev_priv->buffers->handle %p\n", 1193 dev_priv->buffers->handle ); 1194 } 1195 1196 dev_priv->fb_location = ( RADEON_READ( RADEON_MC_FB_LOCATION ) 1197 & 0xffff ) << 16; 1198 1199 dev_priv->front_pitch_offset = (((dev_priv->front_pitch/64) << 22) | 1200 ( ( dev_priv->front_offset 1201 + dev_priv->fb_location ) >> 10 ) ); 1202 1203 dev_priv->back_pitch_offset = (((dev_priv->back_pitch/64) << 22) | 1204 ( ( dev_priv->back_offset 1205 + dev_priv->fb_location ) >> 10 ) ); 1206 1207 dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch/64) << 22) | 1208 ( ( dev_priv->depth_offset 1209 + dev_priv->fb_location ) >> 10 ) ); 1210 1211 1212 dev_priv->gart_size = init->gart_size; 1213 dev_priv->gart_vm_start = dev_priv->fb_location 1214 + RADEON_READ( RADEON_CONFIG_APER_SIZE ); 1215 1216 #if __REALLY_HAVE_AGP 1217 if ( !dev_priv->is_pci ) 1218 dev_priv->gart_buffers_offset = (dev_priv->buffers->offset 1219 - dev->agp->base 1220 + dev_priv->gart_vm_start); 1221 else 1222 #endif 1223 dev_priv->gart_buffers_offset = (dev_priv->buffers->offset 1224 - dev->sg->handle 1225 + dev_priv->gart_vm_start); 1226 1227 DRM_DEBUG( "dev_priv->gart_size %d\n", 1228 dev_priv->gart_size ); 1229 DRM_DEBUG( "dev_priv->gart_vm_start 0x%x\n", 1230 dev_priv->gart_vm_start ); 1231 DRM_DEBUG( "dev_priv->gart_buffers_offset 0x%lx\n", 1232 dev_priv->gart_buffers_offset ); 1233 1234 dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle; 1235 dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle 1236 + init->ring_size / sizeof(u32)); 1237 dev_priv->ring.size = init->ring_size; 1238 dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 ); 1239 1240 dev_priv->ring.tail_mask = 1241 (dev_priv->ring.size / sizeof(u32)) - 1; 1242 1243 dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK; 1244 1245 #if __REALLY_HAVE_AGP 1246 if ( !dev_priv->is_pci ) { 1247 /* Turn off PCI GART */ 1248 radeon_set_pcigart( dev_priv, 0 ); 1249 } else 1250 #endif 1251 { 1252 if (!DRM(ati_pcigart_init)( dev, &dev_priv->phys_pci_gart, 1253 &dev_priv->bus_pci_gart)) { 1254 DRM_ERROR( "failed to init PCI GART!\n" ); 1255 dev->dev_private = (void *)dev_priv; 1256 radeon_do_cleanup_cp(dev); 1257 return DRM_ERR(ENOMEM); 1258 } 1259 1260 /* Turn on PCI GART */ 1261 radeon_set_pcigart( dev_priv, 1 ); 1262 } 1263 1264 radeon_cp_load_microcode( dev_priv ); 1265 radeon_cp_init_ring_buffer( dev, dev_priv ); 1266 1267 dev_priv->last_buf = 0; 1268 1269 dev->dev_private = (void *)dev_priv; 1270 1271 radeon_do_engine_reset( dev ); 1272 1273 return 0; 1274 } 1275 1276 int radeon_do_cleanup_cp( drm_device_t *dev ) 1277 { 1278 DRM_DEBUG( "\n" ); 1279 1280 #if __HAVE_IRQ 1281 /* Make sure interrupts are disabled here because the uninstall ioctl 1282 * may not have been called from userspace and after dev_private 1283 * is freed, it's too late. 1284 */ 1285 if ( dev->irq_enabled ) DRM(irq_uninstall)(dev); 1286 #endif 1287 1288 if ( dev->dev_private ) { 1289 drm_radeon_private_t *dev_priv = dev->dev_private; 1290 1291 #if __REALLY_HAVE_AGP 1292 if ( !dev_priv->is_pci ) { 1293 if ( dev_priv->cp_ring != NULL ) 1294 DRM_IOREMAPFREE( dev_priv->cp_ring, dev ); 1295 if ( dev_priv->ring_rptr != NULL ) 1296 DRM_IOREMAPFREE( dev_priv->ring_rptr, dev ); 1297 if ( dev_priv->buffers != NULL ) 1298 DRM_IOREMAPFREE( dev_priv->buffers, dev ); 1299 } else 1300 #endif 1301 { 1302 if (!DRM(ati_pcigart_cleanup)( dev, 1303 dev_priv->phys_pci_gart, 1304 dev_priv->bus_pci_gart )) 1305 DRM_ERROR( "failed to cleanup PCI GART!\n" ); 1306 } 1307 1308 DRM(free)( dev->dev_private, sizeof(drm_radeon_private_t), 1309 DRM_MEM_DRIVER ); 1310 dev->dev_private = NULL; 1311 } 1312 1313 return 0; 1314 } 1315 1316 /* This code will reinit the Radeon CP hardware after a resume from disc. 1317 * AFAIK, it would be very difficult to pickle the state at suspend time, so 1318 * here we make sure that all Radeon hardware initialisation is re-done without 1319 * affecting running applications. 1320 * 1321 * Charl P. Botha <http://cpbotha.net> 1322 */ 1323 static int radeon_do_resume_cp( drm_device_t *dev ) 1324 { 1325 drm_radeon_private_t *dev_priv = dev->dev_private; 1326 1327 if ( !dev_priv ) { 1328 DRM_ERROR( "Called with no initialization\n" ); 1329 return DRM_ERR( EINVAL ); 1330 } 1331 1332 DRM_DEBUG("Starting radeon_do_resume_cp()\n"); 1333 1334 #if __REALLY_HAVE_AGP 1335 if ( !dev_priv->is_pci ) { 1336 /* Turn off PCI GART */ 1337 radeon_set_pcigart( dev_priv, 0 ); 1338 } else 1339 #endif 1340 { 1341 /* Turn on PCI GART */ 1342 radeon_set_pcigart( dev_priv, 1 ); 1343 } 1344 1345 radeon_cp_load_microcode( dev_priv ); 1346 radeon_cp_init_ring_buffer( dev, dev_priv ); 1347 1348 radeon_do_engine_reset( dev ); 1349 1350 DRM_DEBUG("radeon_do_resume_cp() complete\n"); 1351 1352 return 0; 1353 } 1354 1355 1356 int radeon_cp_init( DRM_IOCTL_ARGS ) 1357 { 1358 DRM_DEVICE; 1359 drm_radeon_init_t init; 1360 1361 LOCK_TEST_WITH_RETURN( dev, filp ); 1362 1363 DRM_COPY_FROM_USER_IOCTL( init, (drm_radeon_init_t *)data, sizeof(init) ); 1364 1365 switch ( init.func ) { 1366 case RADEON_INIT_CP: 1367 case RADEON_INIT_R200_CP: 1368 return radeon_do_init_cp( dev, &init ); 1369 case RADEON_CLEANUP_CP: 1370 return radeon_do_cleanup_cp( dev ); 1371 } 1372 1373 return DRM_ERR(EINVAL); 1374 } 1375 1376 int radeon_cp_start( DRM_IOCTL_ARGS ) 1377 { 1378 DRM_DEVICE; 1379 drm_radeon_private_t *dev_priv = dev->dev_private; 1380 DRM_DEBUG( "\n" ); 1381 1382 LOCK_TEST_WITH_RETURN( dev, filp ); 1383 1384 if ( dev_priv->cp_running ) { 1385 DRM_DEBUG( "%s while CP running\n", __FUNCTION__ ); 1386 return 0; 1387 } 1388 if ( dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS ) { 1389 DRM_DEBUG( "%s called with bogus CP mode (%d)\n", 1390 __FUNCTION__, dev_priv->cp_mode ); 1391 return 0; 1392 } 1393 1394 radeon_do_cp_start( dev_priv ); 1395 1396 return 0; 1397 } 1398 1399 /* Stop the CP. The engine must have been idled before calling this 1400 * routine. 1401 */ 1402 int radeon_cp_stop( DRM_IOCTL_ARGS ) 1403 { 1404 DRM_DEVICE; 1405 drm_radeon_private_t *dev_priv = dev->dev_private; 1406 drm_radeon_cp_stop_t stop; 1407 int ret; 1408 DRM_DEBUG( "\n" ); 1409 1410 LOCK_TEST_WITH_RETURN( dev, filp ); 1411 1412 DRM_COPY_FROM_USER_IOCTL( stop, (drm_radeon_cp_stop_t *)data, sizeof(stop) ); 1413 1414 if (!dev_priv->cp_running) 1415 return 0; 1416 1417 /* Flush any pending CP commands. This ensures any outstanding 1418 * commands are exectuted by the engine before we turn it off. 1419 */ 1420 if ( stop.flush ) { 1421 radeon_do_cp_flush( dev_priv ); 1422 } 1423 1424 /* If we fail to make the engine go idle, we return an error 1425 * code so that the DRM ioctl wrapper can try again. 1426 */ 1427 if ( stop.idle ) { 1428 ret = radeon_do_cp_idle( dev_priv ); 1429 if ( ret ) return ret; 1430 } 1431 1432 /* Finally, we can turn off the CP. If the engine isn't idle, 1433 * we will get some dropped triangles as they won't be fully 1434 * rendered before the CP is shut down. 1435 */ 1436 radeon_do_cp_stop( dev_priv ); 1437 1438 /* Reset the engine */ 1439 radeon_do_engine_reset( dev ); 1440 1441 return 0; 1442 } 1443 1444 1445 void radeon_do_release( drm_device_t *dev ) 1446 { 1447 drm_radeon_private_t *dev_priv = dev->dev_private; 1448 int ret; 1449 1450 if (dev_priv) { 1451 if (dev_priv->cp_running) { 1452 /* Stop the cp */ 1453 while ((ret = radeon_do_cp_idle( dev_priv )) != 0) { 1454 DRM_DEBUG("radeon_do_cp_idle %d\n", ret); 1455 #ifdef __linux__ 1456 schedule(); 1457 #else 1458 tsleep(&ret, PZERO, "rdnrel", 1); 1459 #endif 1460 } 1461 radeon_do_cp_stop( dev_priv ); 1462 radeon_do_engine_reset( dev ); 1463 } 1464 1465 /* Disable *all* interrupts */ 1466 RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); 1467 1468 /* Free memory heap structures */ 1469 radeon_mem_takedown( &(dev_priv->gart_heap) ); 1470 radeon_mem_takedown( &(dev_priv->fb_heap) ); 1471 1472 /* deallocate kernel resources */ 1473 radeon_do_cleanup_cp( dev ); 1474 } 1475 } 1476 1477 /* Just reset the CP ring. Called as part of an X Server engine reset. 1478 */ 1479 int radeon_cp_reset( DRM_IOCTL_ARGS ) 1480 { 1481 DRM_DEVICE; 1482 drm_radeon_private_t *dev_priv = dev->dev_private; 1483 DRM_DEBUG( "\n" ); 1484 1485 LOCK_TEST_WITH_RETURN( dev, filp ); 1486 1487 if ( !dev_priv ) { 1488 DRM_DEBUG( "%s called before init done\n", __FUNCTION__ ); 1489 return DRM_ERR(EINVAL); 1490 } 1491 1492 radeon_do_cp_reset( dev_priv ); 1493 1494 /* The CP is no longer running after an engine reset */ 1495 dev_priv->cp_running = 0; 1496 1497 return 0; 1498 } 1499 1500 int radeon_cp_idle( DRM_IOCTL_ARGS ) 1501 { 1502 DRM_DEVICE; 1503 drm_radeon_private_t *dev_priv = dev->dev_private; 1504 DRM_DEBUG( "\n" ); 1505 1506 LOCK_TEST_WITH_RETURN( dev, filp ); 1507 1508 return radeon_do_cp_idle( dev_priv ); 1509 } 1510 1511 /* Added by Charl P. Botha to call radeon_do_resume_cp(). 1512 */ 1513 int radeon_cp_resume( DRM_IOCTL_ARGS ) 1514 { 1515 DRM_DEVICE; 1516 1517 return radeon_do_resume_cp(dev); 1518 } 1519 1520 1521 int radeon_engine_reset( DRM_IOCTL_ARGS ) 1522 { 1523 DRM_DEVICE; 1524 DRM_DEBUG( "\n" ); 1525 1526 LOCK_TEST_WITH_RETURN( dev, filp ); 1527 1528 return radeon_do_engine_reset( dev ); 1529 } 1530 1531 1532 /* ================================================================ 1533 * Fullscreen mode 1534 */ 1535 1536 /* KW: Deprecated to say the least: 1537 */ 1538 int radeon_fullscreen( DRM_IOCTL_ARGS ) 1539 { 1540 return 0; 1541 } 1542 1543 1544 /* ================================================================ 1545 * Freelist management 1546 */ 1547 1548 /* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through 1549 * bufs until freelist code is used. Note this hides a problem with 1550 * the scratch register * (used to keep track of last buffer 1551 * completed) being written to before * the last buffer has actually 1552 * completed rendering. 1553 * 1554 * KW: It's also a good way to find free buffers quickly. 1555 * 1556 * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't 1557 * sleep. However, bugs in older versions of radeon_accel.c mean that 1558 * we essentially have to do this, else old clients will break. 1559 * 1560 * However, it does leave open a potential deadlock where all the 1561 * buffers are held by other clients, which can't release them because 1562 * they can't get the lock. 1563 */ 1564 1565 drm_buf_t *radeon_freelist_get( drm_device_t *dev ) 1566 { 1567 drm_device_dma_t *dma = dev->dma; 1568 drm_radeon_private_t *dev_priv = dev->dev_private; 1569 drm_radeon_buf_priv_t *buf_priv; 1570 drm_buf_t *buf; 1571 int i, t; 1572 int start; 1573 1574 if ( ++dev_priv->last_buf >= dma->buf_count ) 1575 dev_priv->last_buf = 0; 1576 1577 start = dev_priv->last_buf; 1578 1579 for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) { 1580 u32 done_age = GET_SCRATCH( 1 ); 1581 DRM_DEBUG("done_age = %d\n",done_age); 1582 for ( i = start ; i < dma->buf_count ; i++ ) { 1583 buf = dma->buflist[i]; 1584 buf_priv = buf->dev_private; 1585 if ( buf->filp == 0 || (buf->pending && 1586 buf_priv->age <= done_age) ) { 1587 dev_priv->stats.requested_bufs++; 1588 buf->pending = 0; 1589 return buf; 1590 } 1591 start = 0; 1592 } 1593 1594 if (t) { 1595 DRM_UDELAY( 1 ); 1596 dev_priv->stats.freelist_loops++; 1597 } 1598 } 1599 1600 DRM_DEBUG( "returning NULL!\n" ); 1601 return NULL; 1602 } 1603 #if 0 1604 drm_buf_t *radeon_freelist_get( drm_device_t *dev ) 1605 { 1606 drm_device_dma_t *dma = dev->dma; 1607 drm_radeon_private_t *dev_priv = dev->dev_private; 1608 drm_radeon_buf_priv_t *buf_priv; 1609 drm_buf_t *buf; 1610 int i, t; 1611 int start; 1612 u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)); 1613 1614 if ( ++dev_priv->last_buf >= dma->buf_count ) 1615 dev_priv->last_buf = 0; 1616 1617 start = dev_priv->last_buf; 1618 dev_priv->stats.freelist_loops++; 1619 1620 for ( t = 0 ; t < 2 ; t++ ) { 1621 for ( i = start ; i < dma->buf_count ; i++ ) { 1622 buf = dma->buflist[i]; 1623 buf_priv = buf->dev_private; 1624 if ( buf->filp == 0 || (buf->pending && 1625 buf_priv->age <= done_age) ) { 1626 dev_priv->stats.requested_bufs++; 1627 buf->pending = 0; 1628 return buf; 1629 } 1630 } 1631 start = 0; 1632 } 1633 1634 return NULL; 1635 } 1636 #endif 1637 1638 void radeon_freelist_reset( drm_device_t *dev ) 1639 { 1640 drm_device_dma_t *dma = dev->dma; 1641 drm_radeon_private_t *dev_priv = dev->dev_private; 1642 int i; 1643 1644 dev_priv->last_buf = 0; 1645 for ( i = 0 ; i < dma->buf_count ; i++ ) { 1646 drm_buf_t *buf = dma->buflist[i]; 1647 drm_radeon_buf_priv_t *buf_priv = buf->dev_private; 1648 buf_priv->age = 0; 1649 } 1650 } 1651 1652 1653 /* ================================================================ 1654 * CP command submission 1655 */ 1656 1657 int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ) 1658 { 1659 drm_radeon_ring_buffer_t *ring = &dev_priv->ring; 1660 int i; 1661 u32 last_head = GET_RING_HEAD( dev_priv ); 1662 1663 for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { 1664 u32 head = GET_RING_HEAD( dev_priv ); 1665 1666 ring->space = (head - ring->tail) * sizeof(u32); 1667 if ( ring->space <= 0 ) 1668 ring->space += ring->size; 1669 if ( ring->space > n ) 1670 return 0; 1671 1672 dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; 1673 1674 if (head != last_head) 1675 i = 0; 1676 last_head = head; 1677 1678 DRM_UDELAY( 1 ); 1679 } 1680 1681 /* FIXME: This return value is ignored in the BEGIN_RING macro! */ 1682 #if RADEON_FIFO_DEBUG 1683 radeon_status( dev_priv ); 1684 DRM_ERROR( "failed!\n" ); 1685 #endif 1686 return DRM_ERR(EBUSY); 1687 } 1688 1689 static int radeon_cp_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d ) 1690 { 1691 int i; 1692 drm_buf_t *buf; 1693 1694 for ( i = d->granted_count ; i < d->request_count ; i++ ) { 1695 buf = radeon_freelist_get( dev ); 1696 if ( !buf ) return DRM_ERR(EBUSY); /* NOTE: broken client */ 1697 1698 buf->filp = filp; 1699 1700 if ( DRM_COPY_TO_USER( &d->request_indices[i], &buf->idx, 1701 sizeof(buf->idx) ) ) 1702 return DRM_ERR(EFAULT); 1703 if ( DRM_COPY_TO_USER( &d->request_sizes[i], &buf->total, 1704 sizeof(buf->total) ) ) 1705 return DRM_ERR(EFAULT); 1706 1707 d->granted_count++; 1708 } 1709 return 0; 1710 } 1711 1712 int radeon_cp_buffers( DRM_IOCTL_ARGS ) 1713 { 1714 DRM_DEVICE; 1715 drm_device_dma_t *dma = dev->dma; 1716 int ret = 0; 1717 drm_dma_t d; 1718 1719 LOCK_TEST_WITH_RETURN( dev, filp ); 1720 1721 DRM_COPY_FROM_USER_IOCTL( d, (drm_dma_t *)data, sizeof(d) ); 1722 1723 /* Please don't send us buffers. 1724 */ 1725 if ( d.send_count != 0 ) { 1726 DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", 1727 DRM_CURRENTPID, d.send_count ); 1728 return DRM_ERR(EINVAL); 1729 } 1730 1731 /* We'll send you buffers. 1732 */ 1733 if ( d.request_count < 0 || d.request_count > dma->buf_count ) { 1734 DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", 1735 DRM_CURRENTPID, d.request_count, dma->buf_count ); 1736 return DRM_ERR(EINVAL); 1737 } 1738 1739 d.granted_count = 0; 1740 1741 if ( d.request_count ) { 1742 ret = radeon_cp_get_buffers( filp, dev, &d ); 1743 } 1744 1745 DRM_COPY_TO_USER_IOCTL( (drm_dma_t *)data, d, sizeof(d) ); 1746 1747 return ret; 1748 }
Cache object: 971371e5096fe0628c7d9dfd48af4d9b
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]