1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 * 28 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_clocks.c 254885 2013-08-25 19:37:15Z dumbbell $ 29 */ 30 31 #include <drm/drmP.h> 32 #include <uapi_drm/radeon_drm.h> 33 #include "radeon_reg.h" 34 #include "radeon.h" 35 #include "radeon_asic.h" 36 #include "atom.h" 37 38 /* 10 khz */ 39 uint32_t radeon_legacy_get_engine_clock(struct radeon_device *rdev) 40 { 41 struct radeon_pll *spll = &rdev->clock.spll; 42 uint32_t fb_div, ref_div, post_div, sclk; 43 44 fb_div = RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV); 45 fb_div = (fb_div >> RADEON_SPLL_FB_DIV_SHIFT) & RADEON_SPLL_FB_DIV_MASK; 46 fb_div <<= 1; 47 fb_div *= spll->reference_freq; 48 49 ref_div = 50 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & RADEON_M_SPLL_REF_DIV_MASK; 51 52 if (ref_div == 0) 53 return 0; 54 55 sclk = fb_div / ref_div; 56 57 post_div = RREG32_PLL(RADEON_SCLK_CNTL) & RADEON_SCLK_SRC_SEL_MASK; 58 if (post_div == 2) 59 sclk >>= 1; 60 else if (post_div == 3) 61 sclk >>= 2; 62 else if (post_div == 4) 63 sclk >>= 3; 64 65 return sclk; 66 } 67 68 /* 10 khz */ 69 uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev) 70 { 71 struct radeon_pll *mpll = &rdev->clock.mpll; 72 uint32_t fb_div, ref_div, post_div, mclk; 73 74 fb_div = RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV); 75 fb_div = (fb_div >> RADEON_MPLL_FB_DIV_SHIFT) & RADEON_MPLL_FB_DIV_MASK; 76 fb_div <<= 1; 77 fb_div *= mpll->reference_freq; 78 79 ref_div = 80 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & RADEON_M_SPLL_REF_DIV_MASK; 81 82 if (ref_div == 0) 83 return 0; 84 85 mclk = fb_div / ref_div; 86 87 post_div = RREG32_PLL(RADEON_MCLK_CNTL) & 0x7; 88 if (post_div == 2) 89 mclk >>= 1; 90 else if (post_div == 3) 91 mclk >>= 2; 92 else if (post_div == 4) 93 mclk >>= 3; 94 95 return mclk; 96 } 97 98 #ifdef CONFIG_OF 99 /* 100 * Read XTAL (ref clock), SCLK and MCLK from Open Firmware device 101 * tree. Hopefully, ATI OF driver is kind enough to fill these 102 */ 103 static bool radeon_read_clocks_OF(struct drm_device *dev) 104 { 105 struct radeon_device *rdev = dev->dev_private; 106 struct device_node *dp = rdev->pdev->dev.of_node; 107 const u32 *val; 108 struct radeon_pll *p1pll = &rdev->clock.p1pll; 109 struct radeon_pll *p2pll = &rdev->clock.p2pll; 110 struct radeon_pll *spll = &rdev->clock.spll; 111 struct radeon_pll *mpll = &rdev->clock.mpll; 112 113 if (dp == NULL) 114 return false; 115 val = of_get_property(dp, "ATY,RefCLK", NULL); 116 if (!val || !*val) { 117 printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n"); 118 return false; 119 } 120 p1pll->reference_freq = p2pll->reference_freq = (*val) / 10; 121 p1pll->reference_div = RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff; 122 if (p1pll->reference_div < 2) 123 p1pll->reference_div = 12; 124 p2pll->reference_div = p1pll->reference_div; 125 126 /* These aren't in the device-tree */ 127 if (rdev->family >= CHIP_R420) { 128 p1pll->pll_in_min = 100; 129 p1pll->pll_in_max = 1350; 130 p1pll->pll_out_min = 20000; 131 p1pll->pll_out_max = 50000; 132 p2pll->pll_in_min = 100; 133 p2pll->pll_in_max = 1350; 134 p2pll->pll_out_min = 20000; 135 p2pll->pll_out_max = 50000; 136 } else { 137 p1pll->pll_in_min = 40; 138 p1pll->pll_in_max = 500; 139 p1pll->pll_out_min = 12500; 140 p1pll->pll_out_max = 35000; 141 p2pll->pll_in_min = 40; 142 p2pll->pll_in_max = 500; 143 p2pll->pll_out_min = 12500; 144 p2pll->pll_out_max = 35000; 145 } 146 /* not sure what the max should be in all cases */ 147 rdev->clock.max_pixel_clock = 35000; 148 149 spll->reference_freq = mpll->reference_freq = p1pll->reference_freq; 150 spll->reference_div = mpll->reference_div = 151 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & 152 RADEON_M_SPLL_REF_DIV_MASK; 153 154 val = of_get_property(dp, "ATY,SCLK", NULL); 155 if (val && *val) 156 rdev->clock.default_sclk = (*val) / 10; 157 else 158 rdev->clock.default_sclk = 159 radeon_legacy_get_engine_clock(rdev); 160 161 val = of_get_property(dp, "ATY,MCLK", NULL); 162 if (val && *val) 163 rdev->clock.default_mclk = (*val) / 10; 164 else 165 rdev->clock.default_mclk = 166 radeon_legacy_get_memory_clock(rdev); 167 168 DRM_INFO("Using device-tree clock info\n"); 169 170 return true; 171 } 172 #else 173 static bool radeon_read_clocks_OF(struct drm_device *dev) 174 { 175 return false; 176 } 177 #endif /* CONFIG_OF */ 178 179 void radeon_get_clock_info(struct drm_device *dev) 180 { 181 struct radeon_device *rdev = dev->dev_private; 182 struct radeon_pll *p1pll = &rdev->clock.p1pll; 183 struct radeon_pll *p2pll = &rdev->clock.p2pll; 184 struct radeon_pll *dcpll = &rdev->clock.dcpll; 185 struct radeon_pll *spll = &rdev->clock.spll; 186 struct radeon_pll *mpll = &rdev->clock.mpll; 187 int ret; 188 189 if (rdev->is_atom_bios) 190 ret = radeon_atom_get_clock_info(dev); 191 else 192 ret = radeon_combios_get_clock_info(dev); 193 if (!ret) 194 ret = radeon_read_clocks_OF(dev); 195 196 if (ret) { 197 if (p1pll->reference_div < 2) { 198 if (!ASIC_IS_AVIVO(rdev)) { 199 u32 tmp = RREG32_PLL(RADEON_PPLL_REF_DIV); 200 if (ASIC_IS_R300(rdev)) 201 p1pll->reference_div = 202 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >> R300_PPLL_REF_DIV_ACC_SHIFT; 203 else 204 p1pll->reference_div = tmp & RADEON_PPLL_REF_DIV_MASK; 205 if (p1pll->reference_div < 2) 206 p1pll->reference_div = 12; 207 } else 208 p1pll->reference_div = 12; 209 } 210 if (p2pll->reference_div < 2) 211 p2pll->reference_div = 12; 212 if (rdev->family < CHIP_RS600) { 213 if (spll->reference_div < 2) 214 spll->reference_div = 215 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & 216 RADEON_M_SPLL_REF_DIV_MASK; 217 } 218 if (mpll->reference_div < 2) 219 mpll->reference_div = spll->reference_div; 220 } else { 221 if (ASIC_IS_AVIVO(rdev)) { 222 /* TODO FALLBACK */ 223 } else { 224 DRM_INFO("Using generic clock info\n"); 225 226 /* may need to be per card */ 227 rdev->clock.max_pixel_clock = 35000; 228 229 if (rdev->flags & RADEON_IS_IGP) { 230 p1pll->reference_freq = 1432; 231 p2pll->reference_freq = 1432; 232 spll->reference_freq = 1432; 233 mpll->reference_freq = 1432; 234 } else { 235 p1pll->reference_freq = 2700; 236 p2pll->reference_freq = 2700; 237 spll->reference_freq = 2700; 238 mpll->reference_freq = 2700; 239 } 240 p1pll->reference_div = 241 RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff; 242 if (p1pll->reference_div < 2) 243 p1pll->reference_div = 12; 244 p2pll->reference_div = p1pll->reference_div; 245 246 if (rdev->family >= CHIP_R420) { 247 p1pll->pll_in_min = 100; 248 p1pll->pll_in_max = 1350; 249 p1pll->pll_out_min = 20000; 250 p1pll->pll_out_max = 50000; 251 p2pll->pll_in_min = 100; 252 p2pll->pll_in_max = 1350; 253 p2pll->pll_out_min = 20000; 254 p2pll->pll_out_max = 50000; 255 } else { 256 p1pll->pll_in_min = 40; 257 p1pll->pll_in_max = 500; 258 p1pll->pll_out_min = 12500; 259 p1pll->pll_out_max = 35000; 260 p2pll->pll_in_min = 40; 261 p2pll->pll_in_max = 500; 262 p2pll->pll_out_min = 12500; 263 p2pll->pll_out_max = 35000; 264 } 265 266 spll->reference_div = 267 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & 268 RADEON_M_SPLL_REF_DIV_MASK; 269 mpll->reference_div = spll->reference_div; 270 rdev->clock.default_sclk = 271 radeon_legacy_get_engine_clock(rdev); 272 rdev->clock.default_mclk = 273 radeon_legacy_get_memory_clock(rdev); 274 } 275 } 276 277 /* pixel clocks */ 278 if (ASIC_IS_AVIVO(rdev)) { 279 p1pll->min_post_div = 2; 280 p1pll->max_post_div = 0x7f; 281 p1pll->min_frac_feedback_div = 0; 282 p1pll->max_frac_feedback_div = 9; 283 p2pll->min_post_div = 2; 284 p2pll->max_post_div = 0x7f; 285 p2pll->min_frac_feedback_div = 0; 286 p2pll->max_frac_feedback_div = 9; 287 } else { 288 p1pll->min_post_div = 1; 289 p1pll->max_post_div = 16; 290 p1pll->min_frac_feedback_div = 0; 291 p1pll->max_frac_feedback_div = 0; 292 p2pll->min_post_div = 1; 293 p2pll->max_post_div = 12; 294 p2pll->min_frac_feedback_div = 0; 295 p2pll->max_frac_feedback_div = 0; 296 } 297 298 /* dcpll is DCE4 only */ 299 dcpll->min_post_div = 2; 300 dcpll->max_post_div = 0x7f; 301 dcpll->min_frac_feedback_div = 0; 302 dcpll->max_frac_feedback_div = 9; 303 dcpll->min_ref_div = 2; 304 dcpll->max_ref_div = 0x3ff; 305 dcpll->min_feedback_div = 4; 306 dcpll->max_feedback_div = 0xfff; 307 dcpll->best_vco = 0; 308 309 p1pll->min_ref_div = 2; 310 p1pll->max_ref_div = 0x3ff; 311 p1pll->min_feedback_div = 4; 312 p1pll->max_feedback_div = 0x7ff; 313 p1pll->best_vco = 0; 314 315 p2pll->min_ref_div = 2; 316 p2pll->max_ref_div = 0x3ff; 317 p2pll->min_feedback_div = 4; 318 p2pll->max_feedback_div = 0x7ff; 319 p2pll->best_vco = 0; 320 321 /* system clock */ 322 spll->min_post_div = 1; 323 spll->max_post_div = 1; 324 spll->min_ref_div = 2; 325 spll->max_ref_div = 0xff; 326 spll->min_feedback_div = 4; 327 spll->max_feedback_div = 0xff; 328 spll->best_vco = 0; 329 330 /* memory clock */ 331 mpll->min_post_div = 1; 332 mpll->max_post_div = 1; 333 mpll->min_ref_div = 2; 334 mpll->max_ref_div = 0xff; 335 mpll->min_feedback_div = 4; 336 mpll->max_feedback_div = 0xff; 337 mpll->best_vco = 0; 338 339 if (!rdev->clock.default_sclk) 340 rdev->clock.default_sclk = radeon_get_engine_clock(rdev); 341 if ((!rdev->clock.default_mclk) && rdev->asic->pm.get_memory_clock) 342 rdev->clock.default_mclk = radeon_get_memory_clock(rdev); 343 344 rdev->pm.current_sclk = rdev->clock.default_sclk; 345 rdev->pm.current_mclk = rdev->clock.default_mclk; 346 347 } 348 349 /* 10 khz */ 350 static uint32_t calc_eng_mem_clock(struct radeon_device *rdev, 351 uint32_t req_clock, 352 int *fb_div, int *post_div) 353 { 354 struct radeon_pll *spll = &rdev->clock.spll; 355 int ref_div = spll->reference_div; 356 357 if (!ref_div) 358 ref_div = 359 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & 360 RADEON_M_SPLL_REF_DIV_MASK; 361 362 if (req_clock < 15000) { 363 *post_div = 8; 364 req_clock *= 8; 365 } else if (req_clock < 30000) { 366 *post_div = 4; 367 req_clock *= 4; 368 } else if (req_clock < 60000) { 369 *post_div = 2; 370 req_clock *= 2; 371 } else 372 *post_div = 1; 373 374 req_clock *= ref_div; 375 req_clock += spll->reference_freq; 376 req_clock /= (2 * spll->reference_freq); 377 378 *fb_div = req_clock & 0xff; 379 380 req_clock = (req_clock & 0xffff) << 1; 381 req_clock *= spll->reference_freq; 382 req_clock /= ref_div; 383 req_clock /= *post_div; 384 385 return req_clock; 386 } 387 388 /* 10 khz */ 389 void radeon_legacy_set_engine_clock(struct radeon_device *rdev, 390 uint32_t eng_clock) 391 { 392 uint32_t tmp; 393 int fb_div, post_div; 394 395 /* XXX: wait for idle */ 396 397 eng_clock = calc_eng_mem_clock(rdev, eng_clock, &fb_div, &post_div); 398 399 tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL); 400 tmp &= ~RADEON_DONT_USE_XTALIN; 401 WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp); 402 403 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 404 tmp &= ~RADEON_SCLK_SRC_SEL_MASK; 405 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 406 407 DRM_UDELAY(10); 408 409 tmp = RREG32_PLL(RADEON_SPLL_CNTL); 410 tmp |= RADEON_SPLL_SLEEP; 411 WREG32_PLL(RADEON_SPLL_CNTL, tmp); 412 413 DRM_UDELAY(2); 414 415 tmp = RREG32_PLL(RADEON_SPLL_CNTL); 416 tmp |= RADEON_SPLL_RESET; 417 WREG32_PLL(RADEON_SPLL_CNTL, tmp); 418 419 DRM_UDELAY(200); 420 421 tmp = RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV); 422 tmp &= ~(RADEON_SPLL_FB_DIV_MASK << RADEON_SPLL_FB_DIV_SHIFT); 423 tmp |= (fb_div & RADEON_SPLL_FB_DIV_MASK) << RADEON_SPLL_FB_DIV_SHIFT; 424 WREG32_PLL(RADEON_M_SPLL_REF_FB_DIV, tmp); 425 426 /* XXX: verify on different asics */ 427 tmp = RREG32_PLL(RADEON_SPLL_CNTL); 428 tmp &= ~RADEON_SPLL_PVG_MASK; 429 if ((eng_clock * post_div) >= 90000) 430 tmp |= (0x7 << RADEON_SPLL_PVG_SHIFT); 431 else 432 tmp |= (0x4 << RADEON_SPLL_PVG_SHIFT); 433 WREG32_PLL(RADEON_SPLL_CNTL, tmp); 434 435 tmp = RREG32_PLL(RADEON_SPLL_CNTL); 436 tmp &= ~RADEON_SPLL_SLEEP; 437 WREG32_PLL(RADEON_SPLL_CNTL, tmp); 438 439 DRM_UDELAY(2); 440 441 tmp = RREG32_PLL(RADEON_SPLL_CNTL); 442 tmp &= ~RADEON_SPLL_RESET; 443 WREG32_PLL(RADEON_SPLL_CNTL, tmp); 444 445 DRM_UDELAY(200); 446 447 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 448 tmp &= ~RADEON_SCLK_SRC_SEL_MASK; 449 switch (post_div) { 450 case 1: 451 default: 452 tmp |= 1; 453 break; 454 case 2: 455 tmp |= 2; 456 break; 457 case 4: 458 tmp |= 3; 459 break; 460 case 8: 461 tmp |= 4; 462 break; 463 } 464 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 465 466 DRM_UDELAY(20); 467 468 tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL); 469 tmp |= RADEON_DONT_USE_XTALIN; 470 WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp); 471 472 DRM_UDELAY(10); 473 } 474 475 void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable) 476 { 477 uint32_t tmp; 478 479 if (enable) { 480 if (rdev->flags & RADEON_SINGLE_CRTC) { 481 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 482 if ((RREG32(RADEON_CONFIG_CNTL) & 483 RADEON_CFG_ATI_REV_ID_MASK) > 484 RADEON_CFG_ATI_REV_A13) { 485 tmp &= 486 ~(RADEON_SCLK_FORCE_CP | 487 RADEON_SCLK_FORCE_RB); 488 } 489 tmp &= 490 ~(RADEON_SCLK_FORCE_HDP | RADEON_SCLK_FORCE_DISP1 | 491 RADEON_SCLK_FORCE_TOP | RADEON_SCLK_FORCE_SE | 492 RADEON_SCLK_FORCE_IDCT | RADEON_SCLK_FORCE_RE | 493 RADEON_SCLK_FORCE_PB | RADEON_SCLK_FORCE_TAM | 494 RADEON_SCLK_FORCE_TDM); 495 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 496 } else if (ASIC_IS_R300(rdev)) { 497 if ((rdev->family == CHIP_RS400) || 498 (rdev->family == CHIP_RS480)) { 499 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 500 tmp &= 501 ~(RADEON_SCLK_FORCE_DISP2 | 502 RADEON_SCLK_FORCE_CP | 503 RADEON_SCLK_FORCE_HDP | 504 RADEON_SCLK_FORCE_DISP1 | 505 RADEON_SCLK_FORCE_TOP | 506 RADEON_SCLK_FORCE_E2 | R300_SCLK_FORCE_VAP 507 | RADEON_SCLK_FORCE_IDCT | 508 RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR 509 | R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX 510 | R300_SCLK_FORCE_US | 511 RADEON_SCLK_FORCE_TV_SCLK | 512 R300_SCLK_FORCE_SU | 513 RADEON_SCLK_FORCE_OV0); 514 tmp |= RADEON_DYN_STOP_LAT_MASK; 515 tmp |= 516 RADEON_SCLK_FORCE_TOP | 517 RADEON_SCLK_FORCE_VIP; 518 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 519 520 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL); 521 tmp &= ~RADEON_SCLK_MORE_FORCEON; 522 tmp |= RADEON_SCLK_MORE_MAX_DYN_STOP_LAT; 523 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp); 524 525 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 526 tmp |= (RADEON_PIXCLK_ALWAYS_ONb | 527 RADEON_PIXCLK_DAC_ALWAYS_ONb); 528 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 529 530 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL); 531 tmp |= (RADEON_PIX2CLK_ALWAYS_ONb | 532 RADEON_PIX2CLK_DAC_ALWAYS_ONb | 533 RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | 534 R300_DVOCLK_ALWAYS_ONb | 535 RADEON_PIXCLK_BLEND_ALWAYS_ONb | 536 RADEON_PIXCLK_GV_ALWAYS_ONb | 537 R300_PIXCLK_DVO_ALWAYS_ONb | 538 RADEON_PIXCLK_LVDS_ALWAYS_ONb | 539 RADEON_PIXCLK_TMDS_ALWAYS_ONb | 540 R300_PIXCLK_TRANS_ALWAYS_ONb | 541 R300_PIXCLK_TVO_ALWAYS_ONb | 542 R300_P2G2CLK_ALWAYS_ONb | 543 R300_P2G2CLK_DAC_ALWAYS_ONb); 544 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 545 } else if (rdev->family >= CHIP_RV350) { 546 tmp = RREG32_PLL(R300_SCLK_CNTL2); 547 tmp &= ~(R300_SCLK_FORCE_TCL | 548 R300_SCLK_FORCE_GA | 549 R300_SCLK_FORCE_CBA); 550 tmp |= (R300_SCLK_TCL_MAX_DYN_STOP_LAT | 551 R300_SCLK_GA_MAX_DYN_STOP_LAT | 552 R300_SCLK_CBA_MAX_DYN_STOP_LAT); 553 WREG32_PLL(R300_SCLK_CNTL2, tmp); 554 555 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 556 tmp &= 557 ~(RADEON_SCLK_FORCE_DISP2 | 558 RADEON_SCLK_FORCE_CP | 559 RADEON_SCLK_FORCE_HDP | 560 RADEON_SCLK_FORCE_DISP1 | 561 RADEON_SCLK_FORCE_TOP | 562 RADEON_SCLK_FORCE_E2 | R300_SCLK_FORCE_VAP 563 | RADEON_SCLK_FORCE_IDCT | 564 RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR 565 | R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX 566 | R300_SCLK_FORCE_US | 567 RADEON_SCLK_FORCE_TV_SCLK | 568 R300_SCLK_FORCE_SU | 569 RADEON_SCLK_FORCE_OV0); 570 tmp |= RADEON_DYN_STOP_LAT_MASK; 571 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 572 573 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL); 574 tmp &= ~RADEON_SCLK_MORE_FORCEON; 575 tmp |= RADEON_SCLK_MORE_MAX_DYN_STOP_LAT; 576 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp); 577 578 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 579 tmp |= (RADEON_PIXCLK_ALWAYS_ONb | 580 RADEON_PIXCLK_DAC_ALWAYS_ONb); 581 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 582 583 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL); 584 tmp |= (RADEON_PIX2CLK_ALWAYS_ONb | 585 RADEON_PIX2CLK_DAC_ALWAYS_ONb | 586 RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | 587 R300_DVOCLK_ALWAYS_ONb | 588 RADEON_PIXCLK_BLEND_ALWAYS_ONb | 589 RADEON_PIXCLK_GV_ALWAYS_ONb | 590 R300_PIXCLK_DVO_ALWAYS_ONb | 591 RADEON_PIXCLK_LVDS_ALWAYS_ONb | 592 RADEON_PIXCLK_TMDS_ALWAYS_ONb | 593 R300_PIXCLK_TRANS_ALWAYS_ONb | 594 R300_PIXCLK_TVO_ALWAYS_ONb | 595 R300_P2G2CLK_ALWAYS_ONb | 596 R300_P2G2CLK_DAC_ALWAYS_ONb); 597 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 598 599 tmp = RREG32_PLL(RADEON_MCLK_MISC); 600 tmp |= (RADEON_MC_MCLK_DYN_ENABLE | 601 RADEON_IO_MCLK_DYN_ENABLE); 602 WREG32_PLL(RADEON_MCLK_MISC, tmp); 603 604 tmp = RREG32_PLL(RADEON_MCLK_CNTL); 605 tmp |= (RADEON_FORCEON_MCLKA | 606 RADEON_FORCEON_MCLKB); 607 608 tmp &= ~(RADEON_FORCEON_YCLKA | 609 RADEON_FORCEON_YCLKB | 610 RADEON_FORCEON_MC); 611 612 /* Some releases of vbios have set DISABLE_MC_MCLKA 613 and DISABLE_MC_MCLKB bits in the vbios table. Setting these 614 bits will cause H/W hang when reading video memory with dynamic clocking 615 enabled. */ 616 if ((tmp & R300_DISABLE_MC_MCLKA) && 617 (tmp & R300_DISABLE_MC_MCLKB)) { 618 /* If both bits are set, then check the active channels */ 619 tmp = RREG32_PLL(RADEON_MCLK_CNTL); 620 if (rdev->mc.vram_width == 64) { 621 if (RREG32(RADEON_MEM_CNTL) & 622 R300_MEM_USE_CD_CH_ONLY) 623 tmp &= 624 ~R300_DISABLE_MC_MCLKB; 625 else 626 tmp &= 627 ~R300_DISABLE_MC_MCLKA; 628 } else { 629 tmp &= ~(R300_DISABLE_MC_MCLKA | 630 R300_DISABLE_MC_MCLKB); 631 } 632 } 633 634 WREG32_PLL(RADEON_MCLK_CNTL, tmp); 635 } else { 636 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 637 tmp &= ~(R300_SCLK_FORCE_VAP); 638 tmp |= RADEON_SCLK_FORCE_CP; 639 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 640 DRM_MDELAY(15); 641 642 tmp = RREG32_PLL(R300_SCLK_CNTL2); 643 tmp &= ~(R300_SCLK_FORCE_TCL | 644 R300_SCLK_FORCE_GA | 645 R300_SCLK_FORCE_CBA); 646 WREG32_PLL(R300_SCLK_CNTL2, tmp); 647 } 648 } else { 649 tmp = RREG32_PLL(RADEON_CLK_PWRMGT_CNTL); 650 651 tmp &= ~(RADEON_ACTIVE_HILO_LAT_MASK | 652 RADEON_DISP_DYN_STOP_LAT_MASK | 653 RADEON_DYN_STOP_MODE_MASK); 654 655 tmp |= (RADEON_ENGIN_DYNCLK_MODE | 656 (0x01 << RADEON_ACTIVE_HILO_LAT_SHIFT)); 657 WREG32_PLL(RADEON_CLK_PWRMGT_CNTL, tmp); 658 DRM_MDELAY(15); 659 660 tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL); 661 tmp |= RADEON_SCLK_DYN_START_CNTL; 662 WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp); 663 DRM_MDELAY(15); 664 665 /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200 666 to lockup randomly, leave them as set by BIOS. 667 */ 668 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 669 /*tmp &= RADEON_SCLK_SRC_SEL_MASK; */ 670 tmp &= ~RADEON_SCLK_FORCEON_MASK; 671 672 /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300 */ 673 if (((rdev->family == CHIP_RV250) && 674 ((RREG32(RADEON_CONFIG_CNTL) & 675 RADEON_CFG_ATI_REV_ID_MASK) < 676 RADEON_CFG_ATI_REV_A13)) 677 || ((rdev->family == CHIP_RV100) 678 && 679 ((RREG32(RADEON_CONFIG_CNTL) & 680 RADEON_CFG_ATI_REV_ID_MASK) <= 681 RADEON_CFG_ATI_REV_A13))) { 682 tmp |= RADEON_SCLK_FORCE_CP; 683 tmp |= RADEON_SCLK_FORCE_VIP; 684 } 685 686 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 687 688 if ((rdev->family == CHIP_RV200) || 689 (rdev->family == CHIP_RV250) || 690 (rdev->family == CHIP_RV280)) { 691 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL); 692 tmp &= ~RADEON_SCLK_MORE_FORCEON; 693 694 /* RV200::A11 A12 RV250::A11 A12 */ 695 if (((rdev->family == CHIP_RV200) || 696 (rdev->family == CHIP_RV250)) && 697 ((RREG32(RADEON_CONFIG_CNTL) & 698 RADEON_CFG_ATI_REV_ID_MASK) < 699 RADEON_CFG_ATI_REV_A13)) { 700 tmp |= RADEON_SCLK_MORE_FORCEON; 701 } 702 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp); 703 DRM_MDELAY(15); 704 } 705 706 /* RV200::A11 A12, RV250::A11 A12 */ 707 if (((rdev->family == CHIP_RV200) || 708 (rdev->family == CHIP_RV250)) && 709 ((RREG32(RADEON_CONFIG_CNTL) & 710 RADEON_CFG_ATI_REV_ID_MASK) < 711 RADEON_CFG_ATI_REV_A13)) { 712 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL); 713 tmp |= RADEON_TCL_BYPASS_DISABLE; 714 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp); 715 } 716 DRM_MDELAY(15); 717 718 /*enable dynamic mode for display clocks (PIXCLK and PIX2CLK) */ 719 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL); 720 tmp |= (RADEON_PIX2CLK_ALWAYS_ONb | 721 RADEON_PIX2CLK_DAC_ALWAYS_ONb | 722 RADEON_PIXCLK_BLEND_ALWAYS_ONb | 723 RADEON_PIXCLK_GV_ALWAYS_ONb | 724 RADEON_PIXCLK_DIG_TMDS_ALWAYS_ONb | 725 RADEON_PIXCLK_LVDS_ALWAYS_ONb | 726 RADEON_PIXCLK_TMDS_ALWAYS_ONb); 727 728 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 729 DRM_MDELAY(15); 730 731 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 732 tmp |= (RADEON_PIXCLK_ALWAYS_ONb | 733 RADEON_PIXCLK_DAC_ALWAYS_ONb); 734 735 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 736 DRM_MDELAY(15); 737 } 738 } else { 739 /* Turn everything OFF (ForceON to everything) */ 740 if (rdev->flags & RADEON_SINGLE_CRTC) { 741 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 742 tmp |= (RADEON_SCLK_FORCE_CP | RADEON_SCLK_FORCE_HDP | 743 RADEON_SCLK_FORCE_DISP1 | RADEON_SCLK_FORCE_TOP 744 | RADEON_SCLK_FORCE_E2 | RADEON_SCLK_FORCE_SE | 745 RADEON_SCLK_FORCE_IDCT | RADEON_SCLK_FORCE_VIP | 746 RADEON_SCLK_FORCE_RE | RADEON_SCLK_FORCE_PB | 747 RADEON_SCLK_FORCE_TAM | RADEON_SCLK_FORCE_TDM | 748 RADEON_SCLK_FORCE_RB); 749 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 750 } else if ((rdev->family == CHIP_RS400) || 751 (rdev->family == CHIP_RS480)) { 752 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 753 tmp |= (RADEON_SCLK_FORCE_DISP2 | RADEON_SCLK_FORCE_CP | 754 RADEON_SCLK_FORCE_HDP | RADEON_SCLK_FORCE_DISP1 755 | RADEON_SCLK_FORCE_TOP | RADEON_SCLK_FORCE_E2 | 756 R300_SCLK_FORCE_VAP | RADEON_SCLK_FORCE_IDCT | 757 RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR | 758 R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX | 759 R300_SCLK_FORCE_US | RADEON_SCLK_FORCE_TV_SCLK | 760 R300_SCLK_FORCE_SU | RADEON_SCLK_FORCE_OV0); 761 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 762 763 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL); 764 tmp |= RADEON_SCLK_MORE_FORCEON; 765 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp); 766 767 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 768 tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb | 769 RADEON_PIXCLK_DAC_ALWAYS_ONb | 770 R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF); 771 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 772 773 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL); 774 tmp &= ~(RADEON_PIX2CLK_ALWAYS_ONb | 775 RADEON_PIX2CLK_DAC_ALWAYS_ONb | 776 RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | 777 R300_DVOCLK_ALWAYS_ONb | 778 RADEON_PIXCLK_BLEND_ALWAYS_ONb | 779 RADEON_PIXCLK_GV_ALWAYS_ONb | 780 R300_PIXCLK_DVO_ALWAYS_ONb | 781 RADEON_PIXCLK_LVDS_ALWAYS_ONb | 782 RADEON_PIXCLK_TMDS_ALWAYS_ONb | 783 R300_PIXCLK_TRANS_ALWAYS_ONb | 784 R300_PIXCLK_TVO_ALWAYS_ONb | 785 R300_P2G2CLK_ALWAYS_ONb | 786 R300_P2G2CLK_DAC_ALWAYS_ONb | 787 R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF); 788 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 789 } else if (rdev->family >= CHIP_RV350) { 790 /* for RV350/M10, no delays are required. */ 791 tmp = RREG32_PLL(R300_SCLK_CNTL2); 792 tmp |= (R300_SCLK_FORCE_TCL | 793 R300_SCLK_FORCE_GA | R300_SCLK_FORCE_CBA); 794 WREG32_PLL(R300_SCLK_CNTL2, tmp); 795 796 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 797 tmp |= (RADEON_SCLK_FORCE_DISP2 | RADEON_SCLK_FORCE_CP | 798 RADEON_SCLK_FORCE_HDP | RADEON_SCLK_FORCE_DISP1 799 | RADEON_SCLK_FORCE_TOP | RADEON_SCLK_FORCE_E2 | 800 R300_SCLK_FORCE_VAP | RADEON_SCLK_FORCE_IDCT | 801 RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR | 802 R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX | 803 R300_SCLK_FORCE_US | RADEON_SCLK_FORCE_TV_SCLK | 804 R300_SCLK_FORCE_SU | RADEON_SCLK_FORCE_OV0); 805 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 806 807 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL); 808 tmp |= RADEON_SCLK_MORE_FORCEON; 809 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp); 810 811 tmp = RREG32_PLL(RADEON_MCLK_CNTL); 812 tmp |= (RADEON_FORCEON_MCLKA | 813 RADEON_FORCEON_MCLKB | 814 RADEON_FORCEON_YCLKA | 815 RADEON_FORCEON_YCLKB | RADEON_FORCEON_MC); 816 WREG32_PLL(RADEON_MCLK_CNTL, tmp); 817 818 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 819 tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb | 820 RADEON_PIXCLK_DAC_ALWAYS_ONb | 821 R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF); 822 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 823 824 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL); 825 tmp &= ~(RADEON_PIX2CLK_ALWAYS_ONb | 826 RADEON_PIX2CLK_DAC_ALWAYS_ONb | 827 RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb | 828 R300_DVOCLK_ALWAYS_ONb | 829 RADEON_PIXCLK_BLEND_ALWAYS_ONb | 830 RADEON_PIXCLK_GV_ALWAYS_ONb | 831 R300_PIXCLK_DVO_ALWAYS_ONb | 832 RADEON_PIXCLK_LVDS_ALWAYS_ONb | 833 RADEON_PIXCLK_TMDS_ALWAYS_ONb | 834 R300_PIXCLK_TRANS_ALWAYS_ONb | 835 R300_PIXCLK_TVO_ALWAYS_ONb | 836 R300_P2G2CLK_ALWAYS_ONb | 837 R300_P2G2CLK_DAC_ALWAYS_ONb | 838 R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF); 839 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 840 } else { 841 tmp = RREG32_PLL(RADEON_SCLK_CNTL); 842 tmp |= (RADEON_SCLK_FORCE_CP | RADEON_SCLK_FORCE_E2); 843 tmp |= RADEON_SCLK_FORCE_SE; 844 845 if (rdev->flags & RADEON_SINGLE_CRTC) { 846 tmp |= (RADEON_SCLK_FORCE_RB | 847 RADEON_SCLK_FORCE_TDM | 848 RADEON_SCLK_FORCE_TAM | 849 RADEON_SCLK_FORCE_PB | 850 RADEON_SCLK_FORCE_RE | 851 RADEON_SCLK_FORCE_VIP | 852 RADEON_SCLK_FORCE_IDCT | 853 RADEON_SCLK_FORCE_TOP | 854 RADEON_SCLK_FORCE_DISP1 | 855 RADEON_SCLK_FORCE_DISP2 | 856 RADEON_SCLK_FORCE_HDP); 857 } else if ((rdev->family == CHIP_R300) || 858 (rdev->family == CHIP_R350)) { 859 tmp |= (RADEON_SCLK_FORCE_HDP | 860 RADEON_SCLK_FORCE_DISP1 | 861 RADEON_SCLK_FORCE_DISP2 | 862 RADEON_SCLK_FORCE_TOP | 863 RADEON_SCLK_FORCE_IDCT | 864 RADEON_SCLK_FORCE_VIP); 865 } 866 WREG32_PLL(RADEON_SCLK_CNTL, tmp); 867 868 DRM_MDELAY(16); 869 870 if ((rdev->family == CHIP_R300) || 871 (rdev->family == CHIP_R350)) { 872 tmp = RREG32_PLL(R300_SCLK_CNTL2); 873 tmp |= (R300_SCLK_FORCE_TCL | 874 R300_SCLK_FORCE_GA | 875 R300_SCLK_FORCE_CBA); 876 WREG32_PLL(R300_SCLK_CNTL2, tmp); 877 DRM_MDELAY(16); 878 } 879 880 if (rdev->flags & RADEON_IS_IGP) { 881 tmp = RREG32_PLL(RADEON_MCLK_CNTL); 882 tmp &= ~(RADEON_FORCEON_MCLKA | 883 RADEON_FORCEON_YCLKA); 884 WREG32_PLL(RADEON_MCLK_CNTL, tmp); 885 DRM_MDELAY(16); 886 } 887 888 if ((rdev->family == CHIP_RV200) || 889 (rdev->family == CHIP_RV250) || 890 (rdev->family == CHIP_RV280)) { 891 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL); 892 tmp |= RADEON_SCLK_MORE_FORCEON; 893 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp); 894 DRM_MDELAY(16); 895 } 896 897 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL); 898 tmp &= ~(RADEON_PIX2CLK_ALWAYS_ONb | 899 RADEON_PIX2CLK_DAC_ALWAYS_ONb | 900 RADEON_PIXCLK_BLEND_ALWAYS_ONb | 901 RADEON_PIXCLK_GV_ALWAYS_ONb | 902 RADEON_PIXCLK_DIG_TMDS_ALWAYS_ONb | 903 RADEON_PIXCLK_LVDS_ALWAYS_ONb | 904 RADEON_PIXCLK_TMDS_ALWAYS_ONb); 905 906 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); 907 DRM_MDELAY(16); 908 909 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL); 910 tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb | 911 RADEON_PIXCLK_DAC_ALWAYS_ONb); 912 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp); 913 } 914 } 915 } 916 917