1/* 2 * Copyright 2011 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Alex Deucher 23 */ 24 25#include <linux/pci.h> 26 27#include "atom.h" 28#include "cypress_dpm.h" 29#include "evergreen.h" 30#include "evergreend.h" 31#include "r600_dpm.h" 32#include "rv770.h" 33#include "radeon.h" 34#include "radeon_asic.h" 35 36#define SMC_RAM_END 0x8000 37 38#define MC_CG_ARB_FREQ_F0 0x0a 39#define MC_CG_ARB_FREQ_F1 0x0b 40#define MC_CG_ARB_FREQ_F2 0x0c 41#define MC_CG_ARB_FREQ_F3 0x0d 42 43#define MC_CG_SEQ_DRAMCONF_S0 0x05 44#define MC_CG_SEQ_DRAMCONF_S1 0x06 45#define MC_CG_SEQ_YCLK_SUSPEND 0x04 46#define MC_CG_SEQ_YCLK_RESUME 0x0a 47 48static void cypress_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev, 49 bool enable) 50{ 51 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 52 u32 tmp, bif; 53 54 tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 55 if (enable) { 56 if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) && 57 (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 58 if (!pi->boot_in_gen2) { 59 bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK; 60 bif |= CG_CLIENT_REQ(0xd); 61 WREG32(CG_BIF_REQ_AND_RSP, bif); 62 63 tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK; 64 tmp |= LC_HW_VOLTAGE_IF_CONTROL(1); 65 tmp |= LC_GEN2_EN_STRAP; 66 67 tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT; 68 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); 69 udelay(10); 70 tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; 71 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); 72 } 73 } 74 } else { 75 if (!pi->boot_in_gen2) { 76 tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK; 77 tmp &= ~LC_GEN2_EN_STRAP; 78 } 79 if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) || 80 (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) 81 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp); 82 } 83} 84 85static void cypress_enable_dynamic_pcie_gen2(struct radeon_device *rdev, 86 bool enable) 87{ 88 cypress_enable_bif_dynamic_pcie_gen2(rdev, enable); 89 90 if (enable) 91 WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE); 92 else 93 WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE); 94} 95 96#if 0 97static int cypress_enter_ulp_state(struct radeon_device *rdev) 98{ 99 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 100 101 if (pi->gfx_clock_gating) { 102 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); 103 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); 104 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); 105 106 RREG32(GB_ADDR_CONFIG); 107 } 108 109 WREG32_P(SMC_MSG, HOST_SMC_MSG(PPSMC_MSG_SwitchToMinimumPower), 110 ~HOST_SMC_MSG_MASK); 111 112 udelay(7000); 113 114 return 0; 115} 116#endif 117 118static void cypress_gfx_clock_gating_enable(struct radeon_device *rdev, 119 bool enable) 120{ 121 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 122 123 if (enable) { 124 if (eg_pi->light_sleep) { 125 WREG32(GRBM_GFX_INDEX, 0xC0000000); 126 127 WREG32_CG(CG_CGLS_TILE_0, 0xFFFFFFFF); 128 WREG32_CG(CG_CGLS_TILE_1, 0xFFFFFFFF); 129 WREG32_CG(CG_CGLS_TILE_2, 0xFFFFFFFF); 130 WREG32_CG(CG_CGLS_TILE_3, 0xFFFFFFFF); 131 WREG32_CG(CG_CGLS_TILE_4, 0xFFFFFFFF); 132 WREG32_CG(CG_CGLS_TILE_5, 0xFFFFFFFF); 133 WREG32_CG(CG_CGLS_TILE_6, 0xFFFFFFFF); 134 WREG32_CG(CG_CGLS_TILE_7, 0xFFFFFFFF); 135 WREG32_CG(CG_CGLS_TILE_8, 0xFFFFFFFF); 136 WREG32_CG(CG_CGLS_TILE_9, 0xFFFFFFFF); 137 WREG32_CG(CG_CGLS_TILE_10, 0xFFFFFFFF); 138 WREG32_CG(CG_CGLS_TILE_11, 0xFFFFFFFF); 139 140 WREG32_P(SCLK_PWRMGT_CNTL, DYN_LIGHT_SLEEP_EN, ~DYN_LIGHT_SLEEP_EN); 141 } 142 WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN); 143 } else { 144 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN); 145 WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON); 146 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON); 147 RREG32(GB_ADDR_CONFIG); 148 149 if (eg_pi->light_sleep) { 150 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_LIGHT_SLEEP_EN); 151 152 WREG32(GRBM_GFX_INDEX, 0xC0000000); 153 154 WREG32_CG(CG_CGLS_TILE_0, 0); 155 WREG32_CG(CG_CGLS_TILE_1, 0); 156 WREG32_CG(CG_CGLS_TILE_2, 0); 157 WREG32_CG(CG_CGLS_TILE_3, 0); 158 WREG32_CG(CG_CGLS_TILE_4, 0); 159 WREG32_CG(CG_CGLS_TILE_5, 0); 160 WREG32_CG(CG_CGLS_TILE_6, 0); 161 WREG32_CG(CG_CGLS_TILE_7, 0); 162 WREG32_CG(CG_CGLS_TILE_8, 0); 163 WREG32_CG(CG_CGLS_TILE_9, 0); 164 WREG32_CG(CG_CGLS_TILE_10, 0); 165 WREG32_CG(CG_CGLS_TILE_11, 0); 166 } 167 } 168} 169 170static void cypress_mg_clock_gating_enable(struct radeon_device *rdev, 171 bool enable) 172{ 173 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 174 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 175 176 if (enable) { 177 u32 cgts_sm_ctrl_reg; 178 179 if (rdev->family == CHIP_CEDAR) 180 cgts_sm_ctrl_reg = CEDAR_MGCGCGTSSMCTRL_DFLT; 181 else if (rdev->family == CHIP_REDWOOD) 182 cgts_sm_ctrl_reg = REDWOOD_MGCGCGTSSMCTRL_DFLT; 183 else 184 cgts_sm_ctrl_reg = CYPRESS_MGCGCGTSSMCTRL_DFLT; 185 186 WREG32(GRBM_GFX_INDEX, 0xC0000000); 187 188 WREG32_CG(CG_CGTT_LOCAL_0, CYPRESS_MGCGTTLOCAL0_DFLT); 189 WREG32_CG(CG_CGTT_LOCAL_1, CYPRESS_MGCGTTLOCAL1_DFLT & 0xFFFFCFFF); 190 WREG32_CG(CG_CGTT_LOCAL_2, CYPRESS_MGCGTTLOCAL2_DFLT); 191 WREG32_CG(CG_CGTT_LOCAL_3, CYPRESS_MGCGTTLOCAL3_DFLT); 192 193 if (pi->mgcgtssm) 194 WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); 195 196 if (eg_pi->mcls) { 197 WREG32_P(MC_CITF_MISC_RD_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 198 WREG32_P(MC_CITF_MISC_WR_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 199 WREG32_P(MC_CITF_MISC_VM_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 200 WREG32_P(MC_HUB_MISC_HUB_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 201 WREG32_P(MC_HUB_MISC_VM_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 202 WREG32_P(MC_HUB_MISC_SIP_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 203 WREG32_P(MC_XPB_CLK_GAT, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 204 WREG32_P(VM_L2_CG, MEM_LS_ENABLE, ~MEM_LS_ENABLE); 205 } 206 } else { 207 WREG32(GRBM_GFX_INDEX, 0xC0000000); 208 209 WREG32_CG(CG_CGTT_LOCAL_0, 0xFFFFFFFF); 210 WREG32_CG(CG_CGTT_LOCAL_1, 0xFFFFFFFF); 211 WREG32_CG(CG_CGTT_LOCAL_2, 0xFFFFFFFF); 212 WREG32_CG(CG_CGTT_LOCAL_3, 0xFFFFFFFF); 213 214 if (pi->mgcgtssm) 215 WREG32(CGTS_SM_CTRL_REG, 0x81f44bc0); 216 } 217} 218 219void cypress_enable_spread_spectrum(struct radeon_device *rdev, 220 bool enable) 221{ 222 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 223 224 if (enable) { 225 if (pi->sclk_ss) 226 WREG32_P(GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, ~DYN_SPREAD_SPECTRUM_EN); 227 228 if (pi->mclk_ss) 229 WREG32_P(MPLL_CNTL_MODE, SS_SSEN, ~SS_SSEN); 230 } else { 231 WREG32_P(CG_SPLL_SPREAD_SPECTRUM, 0, ~SSEN); 232 WREG32_P(GENERAL_PWRMGT, 0, ~DYN_SPREAD_SPECTRUM_EN); 233 WREG32_P(MPLL_CNTL_MODE, 0, ~SS_SSEN); 234 WREG32_P(MPLL_CNTL_MODE, 0, ~SS_DSMODE_EN); 235 } 236} 237 238void cypress_start_dpm(struct radeon_device *rdev) 239{ 240 WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN); 241} 242 243void cypress_enable_sclk_control(struct radeon_device *rdev, 244 bool enable) 245{ 246 if (enable) 247 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF); 248 else 249 WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF); 250} 251 252void cypress_enable_mclk_control(struct radeon_device *rdev, 253 bool enable) 254{ 255 if (enable) 256 WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF); 257 else 258 WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF); 259} 260 261int cypress_notify_smc_display_change(struct radeon_device *rdev, 262 bool has_display) 263{ 264 PPSMC_Msg msg = has_display ? 265 (PPSMC_Msg)PPSMC_MSG_HasDisplay : (PPSMC_Msg)PPSMC_MSG_NoDisplay; 266 267 if (rv770_send_msg_to_smc(rdev, msg) != PPSMC_Result_OK) 268 return -EINVAL; 269 270 return 0; 271} 272 273void cypress_program_response_times(struct radeon_device *rdev) 274{ 275 u32 reference_clock; 276 u32 mclk_switch_limit; 277 278 reference_clock = radeon_get_xclk(rdev); 279 mclk_switch_limit = (460 * reference_clock) / 100; 280 281 rv770_write_smc_soft_register(rdev, 282 RV770_SMC_SOFT_REGISTER_mclk_switch_lim, 283 mclk_switch_limit); 284 285 rv770_write_smc_soft_register(rdev, 286 RV770_SMC_SOFT_REGISTER_mvdd_chg_time, 1); 287 288 rv770_write_smc_soft_register(rdev, 289 RV770_SMC_SOFT_REGISTER_mc_block_delay, 0xAA); 290 291 rv770_program_response_times(rdev); 292 293 if (ASIC_IS_LOMBOK(rdev)) 294 rv770_write_smc_soft_register(rdev, 295 RV770_SMC_SOFT_REGISTER_is_asic_lombok, 1); 296 297} 298 299static int cypress_pcie_performance_request(struct radeon_device *rdev, 300 u8 perf_req, bool advertise) 301{ 302#if defined(CONFIG_ACPI) 303 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 304#endif 305 u32 tmp; 306 307 udelay(10); 308 tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 309 if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) && (tmp & LC_CURRENT_DATA_RATE)) 310 return 0; 311 312#if defined(CONFIG_ACPI) 313 if ((perf_req == PCIE_PERF_REQ_PECI_GEN1) || 314 (perf_req == PCIE_PERF_REQ_PECI_GEN2)) { 315 eg_pi->pcie_performance_request_registered = true; 316 return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise); 317 } else if ((perf_req == PCIE_PERF_REQ_REMOVE_REGISTRY) && 318 eg_pi->pcie_performance_request_registered) { 319 eg_pi->pcie_performance_request_registered = false; 320 return radeon_acpi_pcie_performance_request(rdev, perf_req, advertise); 321 } 322#endif 323 324 return 0; 325} 326 327void cypress_advertise_gen2_capability(struct radeon_device *rdev) 328{ 329 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 330 u32 tmp; 331 332#if defined(CONFIG_ACPI) 333 radeon_acpi_pcie_notify_device_ready(rdev); 334#endif 335 336 tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 337 338 if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) && 339 (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) 340 pi->pcie_gen2 = true; 341 else 342 pi->pcie_gen2 = false; 343 344 if (!pi->pcie_gen2) 345 cypress_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, true); 346 347} 348 349static enum radeon_pcie_gen cypress_get_maximum_link_speed(struct radeon_ps *radeon_state) 350{ 351 struct rv7xx_ps *state = rv770_get_ps(radeon_state); 352 353 if (state->high.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) 354 return 1; 355 return 0; 356} 357 358void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev, 359 struct radeon_ps *radeon_new_state, 360 struct radeon_ps *radeon_current_state) 361{ 362 enum radeon_pcie_gen pcie_link_speed_target = 363 cypress_get_maximum_link_speed(radeon_new_state); 364 enum radeon_pcie_gen pcie_link_speed_current = 365 cypress_get_maximum_link_speed(radeon_current_state); 366 u8 request; 367 368 if (pcie_link_speed_target < pcie_link_speed_current) { 369 if (pcie_link_speed_target == RADEON_PCIE_GEN1) 370 request = PCIE_PERF_REQ_PECI_GEN1; 371 else if (pcie_link_speed_target == RADEON_PCIE_GEN2) 372 request = PCIE_PERF_REQ_PECI_GEN2; 373 else 374 request = PCIE_PERF_REQ_PECI_GEN3; 375 376 cypress_pcie_performance_request(rdev, request, false); 377 } 378} 379 380void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev, 381 struct radeon_ps *radeon_new_state, 382 struct radeon_ps *radeon_current_state) 383{ 384 enum radeon_pcie_gen pcie_link_speed_target = 385 cypress_get_maximum_link_speed(radeon_new_state); 386 enum radeon_pcie_gen pcie_link_speed_current = 387 cypress_get_maximum_link_speed(radeon_current_state); 388 u8 request; 389 390 if (pcie_link_speed_target > pcie_link_speed_current) { 391 if (pcie_link_speed_target == RADEON_PCIE_GEN1) 392 request = PCIE_PERF_REQ_PECI_GEN1; 393 else if (pcie_link_speed_target == RADEON_PCIE_GEN2) 394 request = PCIE_PERF_REQ_PECI_GEN2; 395 else 396 request = PCIE_PERF_REQ_PECI_GEN3; 397 398 cypress_pcie_performance_request(rdev, request, false); 399 } 400} 401 402static int cypress_populate_voltage_value(struct radeon_device *rdev, 403 struct atom_voltage_table *table, 404 u16 value, RV770_SMC_VOLTAGE_VALUE *voltage) 405{ 406 unsigned int i; 407 408 for (i = 0; i < table->count; i++) { 409 if (value <= table->entries[i].value) { 410 voltage->index = (u8)i; 411 voltage->value = cpu_to_be16(table->entries[i].value); 412 break; 413 } 414 } 415 416 if (i == table->count) 417 return -EINVAL; 418 419 return 0; 420} 421 422u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk) 423{ 424 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 425 u8 result = 0; 426 bool strobe_mode = false; 427 428 if (pi->mem_gddr5) { 429 if (mclk <= pi->mclk_strobe_mode_threshold) 430 strobe_mode = true; 431 result = cypress_get_mclk_frequency_ratio(rdev, mclk, strobe_mode); 432 433 if (strobe_mode) 434 result |= SMC_STROBE_ENABLE; 435 } 436 437 return result; 438} 439 440u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf) 441{ 442 u32 ref_clk = rdev->clock.mpll.reference_freq; 443 u32 vco = clkf * ref_clk; 444 445 /* 100 Mhz ref clk */ 446 if (ref_clk == 10000) { 447 if (vco > 500000) 448 return 0xC6; 449 if (vco > 400000) 450 return 0x9D; 451 if (vco > 330000) 452 return 0x6C; 453 if (vco > 250000) 454 return 0x2B; 455 if (vco > 160000) 456 return 0x5B; 457 if (vco > 120000) 458 return 0x0A; 459 return 0x4B; 460 } 461 462 /* 27 Mhz ref clk */ 463 if (vco > 250000) 464 return 0x8B; 465 if (vco > 200000) 466 return 0xCC; 467 if (vco > 150000) 468 return 0x9B; 469 return 0x6B; 470} 471 472static int cypress_populate_mclk_value(struct radeon_device *rdev, 473 u32 engine_clock, u32 memory_clock, 474 RV7XX_SMC_MCLK_VALUE *mclk, 475 bool strobe_mode, bool dll_state_on) 476{ 477 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 478 479 u32 mpll_ad_func_cntl = 480 pi->clk_regs.rv770.mpll_ad_func_cntl; 481 u32 mpll_ad_func_cntl_2 = 482 pi->clk_regs.rv770.mpll_ad_func_cntl_2; 483 u32 mpll_dq_func_cntl = 484 pi->clk_regs.rv770.mpll_dq_func_cntl; 485 u32 mpll_dq_func_cntl_2 = 486 pi->clk_regs.rv770.mpll_dq_func_cntl_2; 487 u32 mclk_pwrmgt_cntl = 488 pi->clk_regs.rv770.mclk_pwrmgt_cntl; 489 u32 dll_cntl = 490 pi->clk_regs.rv770.dll_cntl; 491 u32 mpll_ss1 = pi->clk_regs.rv770.mpll_ss1; 492 u32 mpll_ss2 = pi->clk_regs.rv770.mpll_ss2; 493 struct atom_clock_dividers dividers; 494 u32 ibias; 495 u32 dll_speed; 496 int ret; 497 u32 mc_seq_misc7; 498 499 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_MEMORY_PLL_PARAM, 500 memory_clock, strobe_mode, ÷rs); 501 if (ret) 502 return ret; 503 504 if (!strobe_mode) { 505 mc_seq_misc7 = RREG32(MC_SEQ_MISC7); 506 507 if(mc_seq_misc7 & 0x8000000) 508 dividers.post_div = 1; 509 } 510 511 ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div); 512 513 mpll_ad_func_cntl &= ~(CLKR_MASK | 514 YCLK_POST_DIV_MASK | 515 CLKF_MASK | 516 CLKFRAC_MASK | 517 IBIAS_MASK); 518 mpll_ad_func_cntl |= CLKR(dividers.ref_div); 519 mpll_ad_func_cntl |= YCLK_POST_DIV(dividers.post_div); 520 mpll_ad_func_cntl |= CLKF(dividers.whole_fb_div); 521 mpll_ad_func_cntl |= CLKFRAC(dividers.frac_fb_div); 522 mpll_ad_func_cntl |= IBIAS(ibias); 523 524 if (dividers.vco_mode) 525 mpll_ad_func_cntl_2 |= VCO_MODE; 526 else 527 mpll_ad_func_cntl_2 &= ~VCO_MODE; 528 529 if (pi->mem_gddr5) { 530 mpll_dq_func_cntl &= ~(CLKR_MASK | 531 YCLK_POST_DIV_MASK | 532 CLKF_MASK | 533 CLKFRAC_MASK | 534 IBIAS_MASK); 535 mpll_dq_func_cntl |= CLKR(dividers.ref_div); 536 mpll_dq_func_cntl |= YCLK_POST_DIV(dividers.post_div); 537 mpll_dq_func_cntl |= CLKF(dividers.whole_fb_div); 538 mpll_dq_func_cntl |= CLKFRAC(dividers.frac_fb_div); 539 mpll_dq_func_cntl |= IBIAS(ibias); 540 541 if (strobe_mode) 542 mpll_dq_func_cntl &= ~PDNB; 543 else 544 mpll_dq_func_cntl |= PDNB; 545 546 if (dividers.vco_mode) 547 mpll_dq_func_cntl_2 |= VCO_MODE; 548 else 549 mpll_dq_func_cntl_2 &= ~VCO_MODE; 550 } 551 552 if (pi->mclk_ss) { 553 struct radeon_atom_ss ss; 554 u32 vco_freq = memory_clock * dividers.post_div; 555 556 if (radeon_atombios_get_asic_ss_info(rdev, &ss, 557 ASIC_INTERNAL_MEMORY_SS, vco_freq)) { 558 u32 reference_clock = rdev->clock.mpll.reference_freq; 559 u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); 560 u32 clk_s, clk_v; 561 562 if (!decoded_ref) 563 return -EINVAL; 564 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); 565 clk_v = ss.percentage * 566 (0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625); 567 568 mpll_ss1 &= ~CLKV_MASK; 569 mpll_ss1 |= CLKV(clk_v); 570 571 mpll_ss2 &= ~CLKS_MASK; 572 mpll_ss2 |= CLKS(clk_s); 573 } 574 } 575 576 dll_speed = rv740_get_dll_speed(pi->mem_gddr5, 577 memory_clock); 578 579 mclk_pwrmgt_cntl &= ~DLL_SPEED_MASK; 580 mclk_pwrmgt_cntl |= DLL_SPEED(dll_speed); 581 if (dll_state_on) 582 mclk_pwrmgt_cntl |= (MRDCKA0_PDNB | 583 MRDCKA1_PDNB | 584 MRDCKB0_PDNB | 585 MRDCKB1_PDNB | 586 MRDCKC0_PDNB | 587 MRDCKC1_PDNB | 588 MRDCKD0_PDNB | 589 MRDCKD1_PDNB); 590 else 591 mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB | 592 MRDCKA1_PDNB | 593 MRDCKB0_PDNB | 594 MRDCKB1_PDNB | 595 MRDCKC0_PDNB | 596 MRDCKC1_PDNB | 597 MRDCKD0_PDNB | 598 MRDCKD1_PDNB); 599 600 mclk->mclk770.mclk_value = cpu_to_be32(memory_clock); 601 mclk->mclk770.vMPLL_AD_FUNC_CNTL = cpu_to_be32(mpll_ad_func_cntl); 602 mclk->mclk770.vMPLL_AD_FUNC_CNTL_2 = cpu_to_be32(mpll_ad_func_cntl_2); 603 mclk->mclk770.vMPLL_DQ_FUNC_CNTL = cpu_to_be32(mpll_dq_func_cntl); 604 mclk->mclk770.vMPLL_DQ_FUNC_CNTL_2 = cpu_to_be32(mpll_dq_func_cntl_2); 605 mclk->mclk770.vMCLK_PWRMGT_CNTL = cpu_to_be32(mclk_pwrmgt_cntl); 606 mclk->mclk770.vDLL_CNTL = cpu_to_be32(dll_cntl); 607 mclk->mclk770.vMPLL_SS = cpu_to_be32(mpll_ss1); 608 mclk->mclk770.vMPLL_SS2 = cpu_to_be32(mpll_ss2); 609 610 return 0; 611} 612 613u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev, 614 u32 memory_clock, bool strobe_mode) 615{ 616 u8 mc_para_index; 617 618 if (rdev->family >= CHIP_BARTS) { 619 if (strobe_mode) { 620 if (memory_clock < 10000) 621 mc_para_index = 0x00; 622 else if (memory_clock > 47500) 623 mc_para_index = 0x0f; 624 else 625 mc_para_index = (u8)((memory_clock - 10000) / 2500); 626 } else { 627 if (memory_clock < 65000) 628 mc_para_index = 0x00; 629 else if (memory_clock > 135000) 630 mc_para_index = 0x0f; 631 else 632 mc_para_index = (u8)((memory_clock - 60000) / 5000); 633 } 634 } else { 635 if (strobe_mode) { 636 if (memory_clock < 10000) 637 mc_para_index = 0x00; 638 else if (memory_clock > 47500) 639 mc_para_index = 0x0f; 640 else 641 mc_para_index = (u8)((memory_clock - 10000) / 2500); 642 } else { 643 if (memory_clock < 40000) 644 mc_para_index = 0x00; 645 else if (memory_clock > 115000) 646 mc_para_index = 0x0f; 647 else 648 mc_para_index = (u8)((memory_clock - 40000) / 5000); 649 } 650 } 651 return mc_para_index; 652} 653 654static int cypress_populate_mvdd_value(struct radeon_device *rdev, 655 u32 mclk, 656 RV770_SMC_VOLTAGE_VALUE *voltage) 657{ 658 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 659 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 660 661 if (!pi->mvdd_control) { 662 voltage->index = eg_pi->mvdd_high_index; 663 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); 664 return 0; 665 } 666 667 if (mclk <= pi->mvdd_split_frequency) { 668 voltage->index = eg_pi->mvdd_low_index; 669 voltage->value = cpu_to_be16(MVDD_LOW_VALUE); 670 } else { 671 voltage->index = eg_pi->mvdd_high_index; 672 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); 673 } 674 675 return 0; 676} 677 678int cypress_convert_power_level_to_smc(struct radeon_device *rdev, 679 struct rv7xx_pl *pl, 680 RV770_SMC_HW_PERFORMANCE_LEVEL *level, 681 u8 watermark_level) 682{ 683 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 684 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 685 int ret; 686 bool dll_state_on; 687 688 level->gen2PCIE = pi->pcie_gen2 ? 689 ((pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0) : 0; 690 level->gen2XSP = (pl->flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) ? 1 : 0; 691 level->backbias = (pl->flags & ATOM_PPLIB_R600_FLAGS_BACKBIASENABLE) ? 1 : 0; 692 level->displayWatermark = watermark_level; 693 694 ret = rv740_populate_sclk_value(rdev, pl->sclk, &level->sclk); 695 if (ret) 696 return ret; 697 698 level->mcFlags = 0; 699 if (pi->mclk_stutter_mode_threshold && 700 (pl->mclk <= pi->mclk_stutter_mode_threshold) && 701 !eg_pi->uvd_enabled) { 702 level->mcFlags |= SMC_MC_STUTTER_EN; 703 if (eg_pi->sclk_deep_sleep) 704 level->stateFlags |= PPSMC_STATEFLAG_AUTO_PULSE_SKIP; 705 else 706 level->stateFlags &= ~PPSMC_STATEFLAG_AUTO_PULSE_SKIP; 707 } 708 709 if (pi->mem_gddr5) { 710 if (pl->mclk > pi->mclk_edc_enable_threshold) 711 level->mcFlags |= SMC_MC_EDC_RD_FLAG; 712 713 if (pl->mclk > eg_pi->mclk_edc_wr_enable_threshold) 714 level->mcFlags |= SMC_MC_EDC_WR_FLAG; 715 716 level->strobeMode = cypress_get_strobe_mode_settings(rdev, pl->mclk); 717 718 if (level->strobeMode & SMC_STROBE_ENABLE) { 719 if (cypress_get_mclk_frequency_ratio(rdev, pl->mclk, true) >= 720 ((RREG32(MC_SEQ_MISC7) >> 16) & 0xf)) 721 dll_state_on = ((RREG32(MC_SEQ_MISC5) >> 1) & 0x1) ? true : false; 722 else 723 dll_state_on = ((RREG32(MC_SEQ_MISC6) >> 1) & 0x1) ? true : false; 724 } else 725 dll_state_on = eg_pi->dll_default_on; 726 727 ret = cypress_populate_mclk_value(rdev, 728 pl->sclk, 729 pl->mclk, 730 &level->mclk, 731 (level->strobeMode & SMC_STROBE_ENABLE) != 0, 732 dll_state_on); 733 } else { 734 ret = cypress_populate_mclk_value(rdev, 735 pl->sclk, 736 pl->mclk, 737 &level->mclk, 738 true, 739 true); 740 } 741 if (ret) 742 return ret; 743 744 ret = cypress_populate_voltage_value(rdev, 745 &eg_pi->vddc_voltage_table, 746 pl->vddc, 747 &level->vddc); 748 if (ret) 749 return ret; 750 751 if (eg_pi->vddci_control) { 752 ret = cypress_populate_voltage_value(rdev, 753 &eg_pi->vddci_voltage_table, 754 pl->vddci, 755 &level->vddci); 756 if (ret) 757 return ret; 758 } 759 760 ret = cypress_populate_mvdd_value(rdev, pl->mclk, &level->mvdd); 761 762 return ret; 763} 764 765static int cypress_convert_power_state_to_smc(struct radeon_device *rdev, 766 struct radeon_ps *radeon_state, 767 RV770_SMC_SWSTATE *smc_state) 768{ 769 struct rv7xx_ps *state = rv770_get_ps(radeon_state); 770 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 771 int ret; 772 773 if (!(radeon_state->caps & ATOM_PPLIB_DISALLOW_ON_DC)) 774 smc_state->flags |= PPSMC_SWSTATE_FLAG_DC; 775 776 ret = cypress_convert_power_level_to_smc(rdev, 777 &state->low, 778 &smc_state->levels[0], 779 PPSMC_DISPLAY_WATERMARK_LOW); 780 if (ret) 781 return ret; 782 783 ret = cypress_convert_power_level_to_smc(rdev, 784 &state->medium, 785 &smc_state->levels[1], 786 PPSMC_DISPLAY_WATERMARK_LOW); 787 if (ret) 788 return ret; 789 790 ret = cypress_convert_power_level_to_smc(rdev, 791 &state->high, 792 &smc_state->levels[2], 793 PPSMC_DISPLAY_WATERMARK_HIGH); 794 if (ret) 795 return ret; 796 797 smc_state->levels[0].arbValue = MC_CG_ARB_FREQ_F1; 798 smc_state->levels[1].arbValue = MC_CG_ARB_FREQ_F2; 799 smc_state->levels[2].arbValue = MC_CG_ARB_FREQ_F3; 800 801 if (eg_pi->dynamic_ac_timing) { 802 smc_state->levels[0].ACIndex = 2; 803 smc_state->levels[1].ACIndex = 3; 804 smc_state->levels[2].ACIndex = 4; 805 } else { 806 smc_state->levels[0].ACIndex = 0; 807 smc_state->levels[1].ACIndex = 0; 808 smc_state->levels[2].ACIndex = 0; 809 } 810 811 rv770_populate_smc_sp(rdev, radeon_state, smc_state); 812 813 return rv770_populate_smc_t(rdev, radeon_state, smc_state); 814} 815 816static void cypress_convert_mc_registers(struct evergreen_mc_reg_entry *entry, 817 SMC_Evergreen_MCRegisterSet *data, 818 u32 num_entries, u32 valid_flag) 819{ 820 u32 i, j; 821 822 for (i = 0, j = 0; j < num_entries; j++) { 823 if (valid_flag & (1 << j)) { 824 data->value[i] = cpu_to_be32(entry->mc_data[j]); 825 i++; 826 } 827 } 828} 829 830static void cypress_convert_mc_reg_table_entry_to_smc(struct radeon_device *rdev, 831 struct rv7xx_pl *pl, 832 SMC_Evergreen_MCRegisterSet *mc_reg_table_data) 833{ 834 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 835 u32 i = 0; 836 837 for (i = 0; i < eg_pi->mc_reg_table.num_entries; i++) { 838 if (pl->mclk <= 839 eg_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max) 840 break; 841 } 842 843 if ((i == eg_pi->mc_reg_table.num_entries) && (i > 0)) 844 --i; 845 846 cypress_convert_mc_registers(&eg_pi->mc_reg_table.mc_reg_table_entry[i], 847 mc_reg_table_data, 848 eg_pi->mc_reg_table.last, 849 eg_pi->mc_reg_table.valid_flag); 850} 851 852static void cypress_convert_mc_reg_table_to_smc(struct radeon_device *rdev, 853 struct radeon_ps *radeon_state, 854 SMC_Evergreen_MCRegisters *mc_reg_table) 855{ 856 struct rv7xx_ps *state = rv770_get_ps(radeon_state); 857 858 cypress_convert_mc_reg_table_entry_to_smc(rdev, 859 &state->low, 860 &mc_reg_table->data[2]); 861 cypress_convert_mc_reg_table_entry_to_smc(rdev, 862 &state->medium, 863 &mc_reg_table->data[3]); 864 cypress_convert_mc_reg_table_entry_to_smc(rdev, 865 &state->high, 866 &mc_reg_table->data[4]); 867} 868 869int cypress_upload_sw_state(struct radeon_device *rdev, 870 struct radeon_ps *radeon_new_state) 871{ 872 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 873 u16 address = pi->state_table_start + 874 offsetof(RV770_SMC_STATETABLE, driverState); 875 RV770_SMC_SWSTATE state = { 0 }; 876 int ret; 877 878 ret = cypress_convert_power_state_to_smc(rdev, radeon_new_state, &state); 879 if (ret) 880 return ret; 881 882 return rv770_copy_bytes_to_smc(rdev, address, (u8 *)&state, 883 sizeof(RV770_SMC_SWSTATE), 884 pi->sram_end); 885} 886 887int cypress_upload_mc_reg_table(struct radeon_device *rdev, 888 struct radeon_ps *radeon_new_state) 889{ 890 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 891 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 892 SMC_Evergreen_MCRegisters mc_reg_table = { 0 }; 893 u16 address; 894 895 cypress_convert_mc_reg_table_to_smc(rdev, radeon_new_state, &mc_reg_table); 896 897 address = eg_pi->mc_reg_table_start + 898 (u16)offsetof(SMC_Evergreen_MCRegisters, data[2]); 899 900 return rv770_copy_bytes_to_smc(rdev, address, 901 (u8 *)&mc_reg_table.data[2], 902 sizeof(SMC_Evergreen_MCRegisterSet) * 3, 903 pi->sram_end); 904} 905 906u32 cypress_calculate_burst_time(struct radeon_device *rdev, 907 u32 engine_clock, u32 memory_clock) 908{ 909 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 910 u32 multiplier = pi->mem_gddr5 ? 1 : 2; 911 u32 result = (4 * multiplier * engine_clock) / (memory_clock / 2); 912 u32 burst_time; 913 914 if (result <= 4) 915 burst_time = 0; 916 else if (result < 8) 917 burst_time = result - 4; 918 else { 919 burst_time = result / 2 ; 920 if (burst_time > 18) 921 burst_time = 18; 922 } 923 924 return burst_time; 925} 926 927void cypress_program_memory_timing_parameters(struct radeon_device *rdev, 928 struct radeon_ps *radeon_new_state) 929{ 930 struct rv7xx_ps *new_state = rv770_get_ps(radeon_new_state); 931 u32 mc_arb_burst_time = RREG32(MC_ARB_BURST_TIME); 932 933 mc_arb_burst_time &= ~(STATE1_MASK | STATE2_MASK | STATE3_MASK); 934 935 mc_arb_burst_time |= STATE1(cypress_calculate_burst_time(rdev, 936 new_state->low.sclk, 937 new_state->low.mclk)); 938 mc_arb_burst_time |= STATE2(cypress_calculate_burst_time(rdev, 939 new_state->medium.sclk, 940 new_state->medium.mclk)); 941 mc_arb_burst_time |= STATE3(cypress_calculate_burst_time(rdev, 942 new_state->high.sclk, 943 new_state->high.mclk)); 944 945 rv730_program_memory_timing_parameters(rdev, radeon_new_state); 946 947 WREG32(MC_ARB_BURST_TIME, mc_arb_burst_time); 948} 949 950static void cypress_populate_mc_reg_addresses(struct radeon_device *rdev, 951 SMC_Evergreen_MCRegisters *mc_reg_table) 952{ 953 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 954 u32 i, j; 955 956 for (i = 0, j = 0; j < eg_pi->mc_reg_table.last; j++) { 957 if (eg_pi->mc_reg_table.valid_flag & (1 << j)) { 958 mc_reg_table->address[i].s0 = 959 cpu_to_be16(eg_pi->mc_reg_table.mc_reg_address[j].s0); 960 mc_reg_table->address[i].s1 = 961 cpu_to_be16(eg_pi->mc_reg_table.mc_reg_address[j].s1); 962 i++; 963 } 964 } 965 966 mc_reg_table->last = (u8)i; 967} 968 969static void cypress_set_mc_reg_address_table(struct radeon_device *rdev) 970{ 971 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 972 u32 i = 0; 973 974 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RAS_TIMING_LP >> 2; 975 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RAS_TIMING >> 2; 976 i++; 977 978 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_CAS_TIMING_LP >> 2; 979 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_CAS_TIMING >> 2; 980 i++; 981 982 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC_TIMING_LP >> 2; 983 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC_TIMING >> 2; 984 i++; 985 986 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC_TIMING2_LP >> 2; 987 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC_TIMING2 >> 2; 988 i++; 989 990 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RD_CTL_D0_LP >> 2; 991 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RD_CTL_D0 >> 2; 992 i++; 993 994 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RD_CTL_D1_LP >> 2; 995 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RD_CTL_D1 >> 2; 996 i++; 997 998 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_WR_CTL_D0_LP >> 2; 999 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_WR_CTL_D0 >> 2; 1000 i++; 1001 1002 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_WR_CTL_D1_LP >> 2; 1003 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_WR_CTL_D1 >> 2; 1004 i++; 1005 1006 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2; 1007 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_EMRS >> 2; 1008 i++; 1009 1010 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2; 1011 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_MRS >> 2; 1012 i++; 1013 1014 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2; 1015 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_PMG_CMD_MRS1 >> 2; 1016 i++; 1017 1018 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC1 >> 2; 1019 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC1 >> 2; 1020 i++; 1021 1022 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_RESERVE_M >> 2; 1023 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_RESERVE_M >> 2; 1024 i++; 1025 1026 eg_pi->mc_reg_table.mc_reg_address[i].s0 = MC_SEQ_MISC3 >> 2; 1027 eg_pi->mc_reg_table.mc_reg_address[i].s1 = MC_SEQ_MISC3 >> 2; 1028 i++; 1029 1030 eg_pi->mc_reg_table.last = (u8)i; 1031} 1032 1033static void cypress_retrieve_ac_timing_for_one_entry(struct radeon_device *rdev, 1034 struct evergreen_mc_reg_entry *entry) 1035{ 1036 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1037 u32 i; 1038 1039 for (i = 0; i < eg_pi->mc_reg_table.last; i++) 1040 entry->mc_data[i] = 1041 RREG32(eg_pi->mc_reg_table.mc_reg_address[i].s1 << 2); 1042 1043} 1044 1045static void cypress_retrieve_ac_timing_for_all_ranges(struct radeon_device *rdev, 1046 struct atom_memory_clock_range_table *range_table) 1047{ 1048 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1049 u32 i, j; 1050 1051 for (i = 0; i < range_table->num_entries; i++) { 1052 eg_pi->mc_reg_table.mc_reg_table_entry[i].mclk_max = 1053 range_table->mclk[i]; 1054 radeon_atom_set_ac_timing(rdev, range_table->mclk[i]); 1055 cypress_retrieve_ac_timing_for_one_entry(rdev, 1056 &eg_pi->mc_reg_table.mc_reg_table_entry[i]); 1057 } 1058 1059 eg_pi->mc_reg_table.num_entries = range_table->num_entries; 1060 eg_pi->mc_reg_table.valid_flag = 0; 1061 1062 for (i = 0; i < eg_pi->mc_reg_table.last; i++) { 1063 for (j = 1; j < range_table->num_entries; j++) { 1064 if (eg_pi->mc_reg_table.mc_reg_table_entry[j-1].mc_data[i] != 1065 eg_pi->mc_reg_table.mc_reg_table_entry[j].mc_data[i]) { 1066 eg_pi->mc_reg_table.valid_flag |= (1 << i); 1067 break; 1068 } 1069 } 1070 } 1071} 1072 1073static int cypress_initialize_mc_reg_table(struct radeon_device *rdev) 1074{ 1075 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1076 u8 module_index = rv770_get_memory_module_index(rdev); 1077 struct atom_memory_clock_range_table range_table = { 0 }; 1078 int ret; 1079 1080 ret = radeon_atom_get_mclk_range_table(rdev, 1081 pi->mem_gddr5, 1082 module_index, &range_table); 1083 if (ret) 1084 return ret; 1085 1086 cypress_retrieve_ac_timing_for_all_ranges(rdev, &range_table); 1087 1088 return 0; 1089} 1090 1091static void cypress_wait_for_mc_sequencer(struct radeon_device *rdev, u8 value) 1092{ 1093 u32 i, j; 1094 u32 channels = 2; 1095 1096 if ((rdev->family == CHIP_CYPRESS) || 1097 (rdev->family == CHIP_HEMLOCK)) 1098 channels = 4; 1099 else if (rdev->family == CHIP_CEDAR) 1100 channels = 1; 1101 1102 for (i = 0; i < channels; i++) { 1103 if ((rdev->family == CHIP_CYPRESS) || 1104 (rdev->family == CHIP_HEMLOCK)) { 1105 WREG32_P(MC_CONFIG_MCD, MC_RD_ENABLE_MCD(i), ~MC_RD_ENABLE_MCD_MASK); 1106 WREG32_P(MC_CG_CONFIG_MCD, MC_RD_ENABLE_MCD(i), ~MC_RD_ENABLE_MCD_MASK); 1107 } else { 1108 WREG32_P(MC_CONFIG, MC_RD_ENABLE(i), ~MC_RD_ENABLE_MASK); 1109 WREG32_P(MC_CG_CONFIG, MC_RD_ENABLE(i), ~MC_RD_ENABLE_MASK); 1110 } 1111 for (j = 0; j < rdev->usec_timeout; j++) { 1112 if (((RREG32(MC_SEQ_CG) & CG_SEQ_RESP_MASK) >> CG_SEQ_RESP_SHIFT) == value) 1113 break; 1114 udelay(1); 1115 } 1116 } 1117} 1118 1119static void cypress_force_mc_use_s1(struct radeon_device *rdev, 1120 struct radeon_ps *radeon_boot_state) 1121{ 1122 struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); 1123 u32 strobe_mode; 1124 u32 mc_seq_cg; 1125 int i; 1126 1127 if (RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE) 1128 return; 1129 1130 radeon_atom_set_ac_timing(rdev, boot_state->low.mclk); 1131 radeon_mc_wait_for_idle(rdev); 1132 1133 if ((rdev->family == CHIP_CYPRESS) || 1134 (rdev->family == CHIP_HEMLOCK)) { 1135 WREG32(MC_CONFIG_MCD, 0xf); 1136 WREG32(MC_CG_CONFIG_MCD, 0xf); 1137 } else { 1138 WREG32(MC_CONFIG, 0xf); 1139 WREG32(MC_CG_CONFIG, 0xf); 1140 } 1141 1142 for (i = 0; i < rdev->num_crtc; i++) 1143 radeon_wait_for_vblank(rdev, i); 1144 1145 WREG32(MC_SEQ_CG, MC_CG_SEQ_YCLK_SUSPEND); 1146 cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_SUSPEND); 1147 1148 strobe_mode = cypress_get_strobe_mode_settings(rdev, 1149 boot_state->low.mclk); 1150 1151 mc_seq_cg = CG_SEQ_REQ(MC_CG_SEQ_DRAMCONF_S1); 1152 mc_seq_cg |= SEQ_CG_RESP(strobe_mode); 1153 WREG32(MC_SEQ_CG, mc_seq_cg); 1154 1155 for (i = 0; i < rdev->usec_timeout; i++) { 1156 if (RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE) 1157 break; 1158 udelay(1); 1159 } 1160 1161 mc_seq_cg &= ~CG_SEQ_REQ_MASK; 1162 mc_seq_cg |= CG_SEQ_REQ(MC_CG_SEQ_YCLK_RESUME); 1163 WREG32(MC_SEQ_CG, mc_seq_cg); 1164 1165 cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_RESUME); 1166} 1167 1168static void cypress_copy_ac_timing_from_s1_to_s0(struct radeon_device *rdev) 1169{ 1170 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1171 u32 value; 1172 u32 i; 1173 1174 for (i = 0; i < eg_pi->mc_reg_table.last; i++) { 1175 value = RREG32(eg_pi->mc_reg_table.mc_reg_address[i].s1 << 2); 1176 WREG32(eg_pi->mc_reg_table.mc_reg_address[i].s0 << 2, value); 1177 } 1178} 1179 1180static void cypress_force_mc_use_s0(struct radeon_device *rdev, 1181 struct radeon_ps *radeon_boot_state) 1182{ 1183 struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); 1184 u32 strobe_mode; 1185 u32 mc_seq_cg; 1186 int i; 1187 1188 cypress_copy_ac_timing_from_s1_to_s0(rdev); 1189 radeon_mc_wait_for_idle(rdev); 1190 1191 if ((rdev->family == CHIP_CYPRESS) || 1192 (rdev->family == CHIP_HEMLOCK)) { 1193 WREG32(MC_CONFIG_MCD, 0xf); 1194 WREG32(MC_CG_CONFIG_MCD, 0xf); 1195 } else { 1196 WREG32(MC_CONFIG, 0xf); 1197 WREG32(MC_CG_CONFIG, 0xf); 1198 } 1199 1200 for (i = 0; i < rdev->num_crtc; i++) 1201 radeon_wait_for_vblank(rdev, i); 1202 1203 WREG32(MC_SEQ_CG, MC_CG_SEQ_YCLK_SUSPEND); 1204 cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_SUSPEND); 1205 1206 strobe_mode = cypress_get_strobe_mode_settings(rdev, 1207 boot_state->low.mclk); 1208 1209 mc_seq_cg = CG_SEQ_REQ(MC_CG_SEQ_DRAMCONF_S0); 1210 mc_seq_cg |= SEQ_CG_RESP(strobe_mode); 1211 WREG32(MC_SEQ_CG, mc_seq_cg); 1212 1213 for (i = 0; i < rdev->usec_timeout; i++) { 1214 if (!(RREG32(MC_SEQ_STATUS_M) & PMG_PWRSTATE)) 1215 break; 1216 udelay(1); 1217 } 1218 1219 mc_seq_cg &= ~CG_SEQ_REQ_MASK; 1220 mc_seq_cg |= CG_SEQ_REQ(MC_CG_SEQ_YCLK_RESUME); 1221 WREG32(MC_SEQ_CG, mc_seq_cg); 1222 1223 cypress_wait_for_mc_sequencer(rdev, MC_CG_SEQ_YCLK_RESUME); 1224} 1225 1226static int cypress_populate_initial_mvdd_value(struct radeon_device *rdev, 1227 RV770_SMC_VOLTAGE_VALUE *voltage) 1228{ 1229 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1230 1231 voltage->index = eg_pi->mvdd_high_index; 1232 voltage->value = cpu_to_be16(MVDD_HIGH_VALUE); 1233 1234 return 0; 1235} 1236 1237int cypress_populate_smc_initial_state(struct radeon_device *rdev, 1238 struct radeon_ps *radeon_initial_state, 1239 RV770_SMC_STATETABLE *table) 1240{ 1241 struct rv7xx_ps *initial_state = rv770_get_ps(radeon_initial_state); 1242 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1243 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1244 u32 a_t; 1245 1246 table->initialState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL = 1247 cpu_to_be32(pi->clk_regs.rv770.mpll_ad_func_cntl); 1248 table->initialState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL_2 = 1249 cpu_to_be32(pi->clk_regs.rv770.mpll_ad_func_cntl_2); 1250 table->initialState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL = 1251 cpu_to_be32(pi->clk_regs.rv770.mpll_dq_func_cntl); 1252 table->initialState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL_2 = 1253 cpu_to_be32(pi->clk_regs.rv770.mpll_dq_func_cntl_2); 1254 table->initialState.levels[0].mclk.mclk770.vMCLK_PWRMGT_CNTL = 1255 cpu_to_be32(pi->clk_regs.rv770.mclk_pwrmgt_cntl); 1256 table->initialState.levels[0].mclk.mclk770.vDLL_CNTL = 1257 cpu_to_be32(pi->clk_regs.rv770.dll_cntl); 1258 1259 table->initialState.levels[0].mclk.mclk770.vMPLL_SS = 1260 cpu_to_be32(pi->clk_regs.rv770.mpll_ss1); 1261 table->initialState.levels[0].mclk.mclk770.vMPLL_SS2 = 1262 cpu_to_be32(pi->clk_regs.rv770.mpll_ss2); 1263 1264 table->initialState.levels[0].mclk.mclk770.mclk_value = 1265 cpu_to_be32(initial_state->low.mclk); 1266 1267 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = 1268 cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl); 1269 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = 1270 cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl_2); 1271 table->initialState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = 1272 cpu_to_be32(pi->clk_regs.rv770.cg_spll_func_cntl_3); 1273 table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM = 1274 cpu_to_be32(pi->clk_regs.rv770.cg_spll_spread_spectrum); 1275 table->initialState.levels[0].sclk.vCG_SPLL_SPREAD_SPECTRUM_2 = 1276 cpu_to_be32(pi->clk_regs.rv770.cg_spll_spread_spectrum_2); 1277 1278 table->initialState.levels[0].sclk.sclk_value = 1279 cpu_to_be32(initial_state->low.sclk); 1280 1281 table->initialState.levels[0].arbValue = MC_CG_ARB_FREQ_F0; 1282 1283 table->initialState.levels[0].ACIndex = 0; 1284 1285 cypress_populate_voltage_value(rdev, 1286 &eg_pi->vddc_voltage_table, 1287 initial_state->low.vddc, 1288 &table->initialState.levels[0].vddc); 1289 1290 if (eg_pi->vddci_control) 1291 cypress_populate_voltage_value(rdev, 1292 &eg_pi->vddci_voltage_table, 1293 initial_state->low.vddci, 1294 &table->initialState.levels[0].vddci); 1295 1296 cypress_populate_initial_mvdd_value(rdev, 1297 &table->initialState.levels[0].mvdd); 1298 1299 a_t = CG_R(0xffff) | CG_L(0); 1300 table->initialState.levels[0].aT = cpu_to_be32(a_t); 1301 1302 table->initialState.levels[0].bSP = cpu_to_be32(pi->dsp); 1303 1304 1305 if (pi->boot_in_gen2) 1306 table->initialState.levels[0].gen2PCIE = 1; 1307 else 1308 table->initialState.levels[0].gen2PCIE = 0; 1309 if (initial_state->low.flags & ATOM_PPLIB_R600_FLAGS_PCIEGEN2) 1310 table->initialState.levels[0].gen2XSP = 1; 1311 else 1312 table->initialState.levels[0].gen2XSP = 0; 1313 1314 if (pi->mem_gddr5) { 1315 table->initialState.levels[0].strobeMode = 1316 cypress_get_strobe_mode_settings(rdev, 1317 initial_state->low.mclk); 1318 1319 if (initial_state->low.mclk > pi->mclk_edc_enable_threshold) 1320 table->initialState.levels[0].mcFlags = SMC_MC_EDC_RD_FLAG | SMC_MC_EDC_WR_FLAG; 1321 else 1322 table->initialState.levels[0].mcFlags = 0; 1323 } 1324 1325 table->initialState.levels[1] = table->initialState.levels[0]; 1326 table->initialState.levels[2] = table->initialState.levels[0]; 1327 1328 table->initialState.flags |= PPSMC_SWSTATE_FLAG_DC; 1329 1330 return 0; 1331} 1332 1333int cypress_populate_smc_acpi_state(struct radeon_device *rdev, 1334 RV770_SMC_STATETABLE *table) 1335{ 1336 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1337 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1338 u32 mpll_ad_func_cntl = 1339 pi->clk_regs.rv770.mpll_ad_func_cntl; 1340 u32 mpll_ad_func_cntl_2 = 1341 pi->clk_regs.rv770.mpll_ad_func_cntl_2; 1342 u32 mpll_dq_func_cntl = 1343 pi->clk_regs.rv770.mpll_dq_func_cntl; 1344 u32 mpll_dq_func_cntl_2 = 1345 pi->clk_regs.rv770.mpll_dq_func_cntl_2; 1346 u32 spll_func_cntl = 1347 pi->clk_regs.rv770.cg_spll_func_cntl; 1348 u32 spll_func_cntl_2 = 1349 pi->clk_regs.rv770.cg_spll_func_cntl_2; 1350 u32 spll_func_cntl_3 = 1351 pi->clk_regs.rv770.cg_spll_func_cntl_3; 1352 u32 mclk_pwrmgt_cntl = 1353 pi->clk_regs.rv770.mclk_pwrmgt_cntl; 1354 u32 dll_cntl = 1355 pi->clk_regs.rv770.dll_cntl; 1356 1357 table->ACPIState = table->initialState; 1358 1359 table->ACPIState.flags &= ~PPSMC_SWSTATE_FLAG_DC; 1360 1361 if (pi->acpi_vddc) { 1362 cypress_populate_voltage_value(rdev, 1363 &eg_pi->vddc_voltage_table, 1364 pi->acpi_vddc, 1365 &table->ACPIState.levels[0].vddc); 1366 if (pi->pcie_gen2) { 1367 if (pi->acpi_pcie_gen2) 1368 table->ACPIState.levels[0].gen2PCIE = 1; 1369 else 1370 table->ACPIState.levels[0].gen2PCIE = 0; 1371 } else 1372 table->ACPIState.levels[0].gen2PCIE = 0; 1373 if (pi->acpi_pcie_gen2) 1374 table->ACPIState.levels[0].gen2XSP = 1; 1375 else 1376 table->ACPIState.levels[0].gen2XSP = 0; 1377 } else { 1378 cypress_populate_voltage_value(rdev, 1379 &eg_pi->vddc_voltage_table, 1380 pi->min_vddc_in_table, 1381 &table->ACPIState.levels[0].vddc); 1382 table->ACPIState.levels[0].gen2PCIE = 0; 1383 } 1384 1385 if (eg_pi->acpi_vddci) { 1386 if (eg_pi->vddci_control) { 1387 cypress_populate_voltage_value(rdev, 1388 &eg_pi->vddci_voltage_table, 1389 eg_pi->acpi_vddci, 1390 &table->ACPIState.levels[0].vddci); 1391 } 1392 } 1393 1394 mpll_ad_func_cntl &= ~PDNB; 1395 1396 mpll_ad_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN; 1397 1398 if (pi->mem_gddr5) 1399 mpll_dq_func_cntl &= ~PDNB; 1400 mpll_dq_func_cntl_2 |= BIAS_GEN_PDNB | RESET_EN | BYPASS; 1401 1402 mclk_pwrmgt_cntl |= (MRDCKA0_RESET | 1403 MRDCKA1_RESET | 1404 MRDCKB0_RESET | 1405 MRDCKB1_RESET | 1406 MRDCKC0_RESET | 1407 MRDCKC1_RESET | 1408 MRDCKD0_RESET | 1409 MRDCKD1_RESET); 1410 1411 mclk_pwrmgt_cntl &= ~(MRDCKA0_PDNB | 1412 MRDCKA1_PDNB | 1413 MRDCKB0_PDNB | 1414 MRDCKB1_PDNB | 1415 MRDCKC0_PDNB | 1416 MRDCKC1_PDNB | 1417 MRDCKD0_PDNB | 1418 MRDCKD1_PDNB); 1419 1420 dll_cntl |= (MRDCKA0_BYPASS | 1421 MRDCKA1_BYPASS | 1422 MRDCKB0_BYPASS | 1423 MRDCKB1_BYPASS | 1424 MRDCKC0_BYPASS | 1425 MRDCKC1_BYPASS | 1426 MRDCKD0_BYPASS | 1427 MRDCKD1_BYPASS); 1428 1429 /* evergreen only */ 1430 if (rdev->family <= CHIP_HEMLOCK) 1431 spll_func_cntl |= SPLL_RESET | SPLL_SLEEP | SPLL_BYPASS_EN; 1432 1433 spll_func_cntl_2 &= ~SCLK_MUX_SEL_MASK; 1434 spll_func_cntl_2 |= SCLK_MUX_SEL(4); 1435 1436 table->ACPIState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL = 1437 cpu_to_be32(mpll_ad_func_cntl); 1438 table->ACPIState.levels[0].mclk.mclk770.vMPLL_AD_FUNC_CNTL_2 = 1439 cpu_to_be32(mpll_ad_func_cntl_2); 1440 table->ACPIState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL = 1441 cpu_to_be32(mpll_dq_func_cntl); 1442 table->ACPIState.levels[0].mclk.mclk770.vMPLL_DQ_FUNC_CNTL_2 = 1443 cpu_to_be32(mpll_dq_func_cntl_2); 1444 table->ACPIState.levels[0].mclk.mclk770.vMCLK_PWRMGT_CNTL = 1445 cpu_to_be32(mclk_pwrmgt_cntl); 1446 table->ACPIState.levels[0].mclk.mclk770.vDLL_CNTL = cpu_to_be32(dll_cntl); 1447 1448 table->ACPIState.levels[0].mclk.mclk770.mclk_value = 0; 1449 1450 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL = 1451 cpu_to_be32(spll_func_cntl); 1452 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_2 = 1453 cpu_to_be32(spll_func_cntl_2); 1454 table->ACPIState.levels[0].sclk.vCG_SPLL_FUNC_CNTL_3 = 1455 cpu_to_be32(spll_func_cntl_3); 1456 1457 table->ACPIState.levels[0].sclk.sclk_value = 0; 1458 1459 cypress_populate_mvdd_value(rdev, 0, &table->ACPIState.levels[0].mvdd); 1460 1461 if (eg_pi->dynamic_ac_timing) 1462 table->ACPIState.levels[0].ACIndex = 1; 1463 1464 table->ACPIState.levels[1] = table->ACPIState.levels[0]; 1465 table->ACPIState.levels[2] = table->ACPIState.levels[0]; 1466 1467 return 0; 1468} 1469 1470static void cypress_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev, 1471 struct atom_voltage_table *voltage_table) 1472{ 1473 unsigned int i, diff; 1474 1475 if (voltage_table->count <= MAX_NO_VREG_STEPS) 1476 return; 1477 1478 diff = voltage_table->count - MAX_NO_VREG_STEPS; 1479 1480 for (i= 0; i < MAX_NO_VREG_STEPS; i++) 1481 voltage_table->entries[i] = voltage_table->entries[i + diff]; 1482 1483 voltage_table->count = MAX_NO_VREG_STEPS; 1484} 1485 1486int cypress_construct_voltage_tables(struct radeon_device *rdev) 1487{ 1488 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1489 int ret; 1490 1491 ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0, 1492 &eg_pi->vddc_voltage_table); 1493 if (ret) 1494 return ret; 1495 1496 if (eg_pi->vddc_voltage_table.count > MAX_NO_VREG_STEPS) 1497 cypress_trim_voltage_table_to_fit_state_table(rdev, 1498 &eg_pi->vddc_voltage_table); 1499 1500 if (eg_pi->vddci_control) { 1501 ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0, 1502 &eg_pi->vddci_voltage_table); 1503 if (ret) 1504 return ret; 1505 1506 if (eg_pi->vddci_voltage_table.count > MAX_NO_VREG_STEPS) 1507 cypress_trim_voltage_table_to_fit_state_table(rdev, 1508 &eg_pi->vddci_voltage_table); 1509 } 1510 1511 return 0; 1512} 1513 1514static void cypress_populate_smc_voltage_table(struct radeon_device *rdev, 1515 struct atom_voltage_table *voltage_table, 1516 RV770_SMC_STATETABLE *table) 1517{ 1518 unsigned int i; 1519 1520 for (i = 0; i < voltage_table->count; i++) { 1521 table->highSMIO[i] = 0; 1522 table->lowSMIO[i] |= cpu_to_be32(voltage_table->entries[i].smio_low); 1523 } 1524} 1525 1526int cypress_populate_smc_voltage_tables(struct radeon_device *rdev, 1527 RV770_SMC_STATETABLE *table) 1528{ 1529 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1530 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1531 unsigned char i; 1532 1533 if (eg_pi->vddc_voltage_table.count) { 1534 cypress_populate_smc_voltage_table(rdev, 1535 &eg_pi->vddc_voltage_table, 1536 table); 1537 1538 table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDC] = 0; 1539 table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDC] = 1540 cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); 1541 1542 for (i = 0; i < eg_pi->vddc_voltage_table.count; i++) { 1543 if (pi->max_vddc_in_table <= 1544 eg_pi->vddc_voltage_table.entries[i].value) { 1545 table->maxVDDCIndexInPPTable = i; 1546 break; 1547 } 1548 } 1549 } 1550 1551 if (eg_pi->vddci_voltage_table.count) { 1552 cypress_populate_smc_voltage_table(rdev, 1553 &eg_pi->vddci_voltage_table, 1554 table); 1555 1556 table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0; 1557 table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 1558 cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); 1559 } 1560 1561 return 0; 1562} 1563 1564static u32 cypress_get_mclk_split_point(struct atom_memory_info *memory_info) 1565{ 1566 if ((memory_info->mem_type == MEM_TYPE_GDDR3) || 1567 (memory_info->mem_type == MEM_TYPE_DDR3)) 1568 return 30000; 1569 1570 return 0; 1571} 1572 1573int cypress_get_mvdd_configuration(struct radeon_device *rdev) 1574{ 1575 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1576 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1577 u8 module_index; 1578 struct atom_memory_info memory_info; 1579 u32 tmp = RREG32(GENERAL_PWRMGT); 1580 1581 if (!(tmp & BACKBIAS_PAD_EN)) { 1582 eg_pi->mvdd_high_index = 0; 1583 eg_pi->mvdd_low_index = 1; 1584 pi->mvdd_control = false; 1585 return 0; 1586 } 1587 1588 if (tmp & BACKBIAS_VALUE) 1589 eg_pi->mvdd_high_index = 1; 1590 else 1591 eg_pi->mvdd_high_index = 0; 1592 1593 eg_pi->mvdd_low_index = 1594 (eg_pi->mvdd_high_index == 0) ? 1 : 0; 1595 1596 module_index = rv770_get_memory_module_index(rdev); 1597 1598 if (radeon_atom_get_memory_info(rdev, module_index, &memory_info)) { 1599 pi->mvdd_control = false; 1600 return 0; 1601 } 1602 1603 pi->mvdd_split_frequency = 1604 cypress_get_mclk_split_point(&memory_info); 1605 1606 if (pi->mvdd_split_frequency == 0) { 1607 pi->mvdd_control = false; 1608 return 0; 1609 } 1610 1611 return 0; 1612} 1613 1614static int cypress_init_smc_table(struct radeon_device *rdev, 1615 struct radeon_ps *radeon_boot_state) 1616{ 1617 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1618 RV770_SMC_STATETABLE *table = &pi->smc_statetable; 1619 int ret; 1620 1621 memset(table, 0, sizeof(RV770_SMC_STATETABLE)); 1622 1623 cypress_populate_smc_voltage_tables(rdev, table); 1624 1625 switch (rdev->pm.int_thermal_type) { 1626 case THERMAL_TYPE_EVERGREEN: 1627 case THERMAL_TYPE_EMC2103_WITH_INTERNAL: 1628 table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL; 1629 break; 1630 case THERMAL_TYPE_NONE: 1631 table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE; 1632 break; 1633 default: 1634 table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL; 1635 break; 1636 } 1637 1638 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC) 1639 table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; 1640 1641 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT) 1642 table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT; 1643 1644 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC) 1645 table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC; 1646 1647 if (pi->mem_gddr5) 1648 table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5; 1649 1650 ret = cypress_populate_smc_initial_state(rdev, radeon_boot_state, table); 1651 if (ret) 1652 return ret; 1653 1654 ret = cypress_populate_smc_acpi_state(rdev, table); 1655 if (ret) 1656 return ret; 1657 1658 table->driverState = table->initialState; 1659 1660 return rv770_copy_bytes_to_smc(rdev, 1661 pi->state_table_start, 1662 (u8 *)table, sizeof(RV770_SMC_STATETABLE), 1663 pi->sram_end); 1664} 1665 1666int cypress_populate_mc_reg_table(struct radeon_device *rdev, 1667 struct radeon_ps *radeon_boot_state) 1668{ 1669 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1670 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1671 struct rv7xx_ps *boot_state = rv770_get_ps(radeon_boot_state); 1672 SMC_Evergreen_MCRegisters mc_reg_table = { 0 }; 1673 1674 rv770_write_smc_soft_register(rdev, 1675 RV770_SMC_SOFT_REGISTER_seq_index, 1); 1676 1677 cypress_populate_mc_reg_addresses(rdev, &mc_reg_table); 1678 1679 cypress_convert_mc_reg_table_entry_to_smc(rdev, 1680 &boot_state->low, 1681 &mc_reg_table.data[0]); 1682 1683 cypress_convert_mc_registers(&eg_pi->mc_reg_table.mc_reg_table_entry[0], 1684 &mc_reg_table.data[1], eg_pi->mc_reg_table.last, 1685 eg_pi->mc_reg_table.valid_flag); 1686 1687 cypress_convert_mc_reg_table_to_smc(rdev, radeon_boot_state, &mc_reg_table); 1688 1689 return rv770_copy_bytes_to_smc(rdev, eg_pi->mc_reg_table_start, 1690 (u8 *)&mc_reg_table, sizeof(SMC_Evergreen_MCRegisters), 1691 pi->sram_end); 1692} 1693 1694int cypress_get_table_locations(struct radeon_device *rdev) 1695{ 1696 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1697 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1698 u32 tmp; 1699 int ret; 1700 1701 ret = rv770_read_smc_sram_dword(rdev, 1702 EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + 1703 EVERGREEN_SMC_FIRMWARE_HEADER_stateTable, 1704 &tmp, pi->sram_end); 1705 if (ret) 1706 return ret; 1707 1708 pi->state_table_start = (u16)tmp; 1709 1710 ret = rv770_read_smc_sram_dword(rdev, 1711 EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + 1712 EVERGREEN_SMC_FIRMWARE_HEADER_softRegisters, 1713 &tmp, pi->sram_end); 1714 if (ret) 1715 return ret; 1716 1717 pi->soft_regs_start = (u16)tmp; 1718 1719 ret = rv770_read_smc_sram_dword(rdev, 1720 EVERGREEN_SMC_FIRMWARE_HEADER_LOCATION + 1721 EVERGREEN_SMC_FIRMWARE_HEADER_mcRegisterTable, 1722 &tmp, pi->sram_end); 1723 if (ret) 1724 return ret; 1725 1726 eg_pi->mc_reg_table_start = (u16)tmp; 1727 1728 return 0; 1729} 1730 1731void cypress_enable_display_gap(struct radeon_device *rdev) 1732{ 1733 u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL); 1734 1735 tmp &= ~(DISP1_GAP_MASK | DISP2_GAP_MASK); 1736 tmp |= (DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE) | 1737 DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE)); 1738 1739 tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK); 1740 tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK) | 1741 DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE)); 1742 WREG32(CG_DISPLAY_GAP_CNTL, tmp); 1743} 1744 1745static void cypress_program_display_gap(struct radeon_device *rdev) 1746{ 1747 u32 tmp, pipe; 1748 int i; 1749 1750 tmp = RREG32(CG_DISPLAY_GAP_CNTL) & ~(DISP1_GAP_MASK | DISP2_GAP_MASK); 1751 if (rdev->pm.dpm.new_active_crtc_count > 0) 1752 tmp |= DISP1_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); 1753 else 1754 tmp |= DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE); 1755 1756 if (rdev->pm.dpm.new_active_crtc_count > 1) 1757 tmp |= DISP2_GAP(R600_PM_DISPLAY_GAP_VBLANK_OR_WM); 1758 else 1759 tmp |= DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE); 1760 1761 WREG32(CG_DISPLAY_GAP_CNTL, tmp); 1762 1763 tmp = RREG32(DCCG_DISP_SLOW_SELECT_REG); 1764 pipe = (tmp & DCCG_DISP1_SLOW_SELECT_MASK) >> DCCG_DISP1_SLOW_SELECT_SHIFT; 1765 1766 if ((rdev->pm.dpm.new_active_crtc_count > 0) && 1767 (!(rdev->pm.dpm.new_active_crtcs & (1 << pipe)))) { 1768 /* find the first active crtc */ 1769 for (i = 0; i < rdev->num_crtc; i++) { 1770 if (rdev->pm.dpm.new_active_crtcs & (1 << i)) 1771 break; 1772 } 1773 if (i == rdev->num_crtc) 1774 pipe = 0; 1775 else 1776 pipe = i; 1777 1778 tmp &= ~DCCG_DISP1_SLOW_SELECT_MASK; 1779 tmp |= DCCG_DISP1_SLOW_SELECT(pipe); 1780 WREG32(DCCG_DISP_SLOW_SELECT_REG, tmp); 1781 } 1782 1783 cypress_notify_smc_display_change(rdev, rdev->pm.dpm.new_active_crtc_count > 0); 1784} 1785 1786void cypress_dpm_setup_asic(struct radeon_device *rdev) 1787{ 1788 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1789 1790 rv740_read_clock_registers(rdev); 1791 rv770_read_voltage_smio_registers(rdev); 1792 rv770_get_max_vddc(rdev); 1793 rv770_get_memory_type(rdev); 1794 1795 if (eg_pi->pcie_performance_request) 1796 eg_pi->pcie_performance_request_registered = false; 1797 1798 if (eg_pi->pcie_performance_request) 1799 cypress_advertise_gen2_capability(rdev); 1800 1801 rv770_get_pcie_gen2_status(rdev); 1802 1803 rv770_enable_acpi_pm(rdev); 1804} 1805 1806int cypress_dpm_enable(struct radeon_device *rdev) 1807{ 1808 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1809 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1810 struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; 1811 int ret; 1812 1813 if (pi->gfx_clock_gating) 1814 rv770_restore_cgcg(rdev); 1815 1816 if (rv770_dpm_enabled(rdev)) 1817 return -EINVAL; 1818 1819 if (pi->voltage_control) { 1820 rv770_enable_voltage_control(rdev, true); 1821 ret = cypress_construct_voltage_tables(rdev); 1822 if (ret) { 1823 DRM_ERROR("cypress_construct_voltage_tables failed\n"); 1824 return ret; 1825 } 1826 } 1827 1828 if (pi->mvdd_control) { 1829 ret = cypress_get_mvdd_configuration(rdev); 1830 if (ret) { 1831 DRM_ERROR("cypress_get_mvdd_configuration failed\n"); 1832 return ret; 1833 } 1834 } 1835 1836 if (eg_pi->dynamic_ac_timing) { 1837 cypress_set_mc_reg_address_table(rdev); 1838 cypress_force_mc_use_s0(rdev, boot_ps); 1839 ret = cypress_initialize_mc_reg_table(rdev); 1840 if (ret) 1841 eg_pi->dynamic_ac_timing = false; 1842 cypress_force_mc_use_s1(rdev, boot_ps); 1843 } 1844 1845 if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS) 1846 rv770_enable_backbias(rdev, true); 1847 1848 if (pi->dynamic_ss) 1849 cypress_enable_spread_spectrum(rdev, true); 1850 1851 if (pi->thermal_protection) 1852 rv770_enable_thermal_protection(rdev, true); 1853 1854 rv770_setup_bsp(rdev); 1855 rv770_program_git(rdev); 1856 rv770_program_tp(rdev); 1857 rv770_program_tpp(rdev); 1858 rv770_program_sstp(rdev); 1859 rv770_program_engine_speed_parameters(rdev); 1860 cypress_enable_display_gap(rdev); 1861 rv770_program_vc(rdev); 1862 1863 if (pi->dynamic_pcie_gen2) 1864 cypress_enable_dynamic_pcie_gen2(rdev, true); 1865 1866 ret = rv770_upload_firmware(rdev); 1867 if (ret) { 1868 DRM_ERROR("rv770_upload_firmware failed\n"); 1869 return ret; 1870 } 1871 1872 ret = cypress_get_table_locations(rdev); 1873 if (ret) { 1874 DRM_ERROR("cypress_get_table_locations failed\n"); 1875 return ret; 1876 } 1877 ret = cypress_init_smc_table(rdev, boot_ps); 1878 if (ret) { 1879 DRM_ERROR("cypress_init_smc_table failed\n"); 1880 return ret; 1881 } 1882 if (eg_pi->dynamic_ac_timing) { 1883 ret = cypress_populate_mc_reg_table(rdev, boot_ps); 1884 if (ret) { 1885 DRM_ERROR("cypress_populate_mc_reg_table failed\n"); 1886 return ret; 1887 } 1888 } 1889 1890 cypress_program_response_times(rdev); 1891 1892 r7xx_start_smc(rdev); 1893 1894 ret = cypress_notify_smc_display_change(rdev, false); 1895 if (ret) { 1896 DRM_ERROR("cypress_notify_smc_display_change failed\n"); 1897 return ret; 1898 } 1899 cypress_enable_sclk_control(rdev, true); 1900 1901 if (eg_pi->memory_transition) 1902 cypress_enable_mclk_control(rdev, true); 1903 1904 cypress_start_dpm(rdev); 1905 1906 if (pi->gfx_clock_gating) 1907 cypress_gfx_clock_gating_enable(rdev, true); 1908 1909 if (pi->mg_clock_gating) 1910 cypress_mg_clock_gating_enable(rdev, true); 1911 1912 rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); 1913 1914 return 0; 1915} 1916 1917void cypress_dpm_disable(struct radeon_device *rdev) 1918{ 1919 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 1920 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1921 struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps; 1922 1923 if (!rv770_dpm_enabled(rdev)) 1924 return; 1925 1926 rv770_clear_vc(rdev); 1927 1928 if (pi->thermal_protection) 1929 rv770_enable_thermal_protection(rdev, false); 1930 1931 if (pi->dynamic_pcie_gen2) 1932 cypress_enable_dynamic_pcie_gen2(rdev, false); 1933 1934 if (rdev->irq.installed && 1935 r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { 1936 rdev->irq.dpm_thermal = false; 1937 radeon_irq_set(rdev); 1938 } 1939 1940 if (pi->gfx_clock_gating) 1941 cypress_gfx_clock_gating_enable(rdev, false); 1942 1943 if (pi->mg_clock_gating) 1944 cypress_mg_clock_gating_enable(rdev, false); 1945 1946 rv770_stop_dpm(rdev); 1947 r7xx_stop_smc(rdev); 1948 1949 cypress_enable_spread_spectrum(rdev, false); 1950 1951 if (eg_pi->dynamic_ac_timing) 1952 cypress_force_mc_use_s1(rdev, boot_ps); 1953 1954 rv770_reset_smio_status(rdev); 1955} 1956 1957int cypress_dpm_set_power_state(struct radeon_device *rdev) 1958{ 1959 struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); 1960 struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps; 1961 struct radeon_ps *old_ps = rdev->pm.dpm.current_ps; 1962 int ret; 1963 1964 ret = rv770_restrict_performance_levels_before_switch(rdev); 1965 if (ret) { 1966 DRM_ERROR("rv770_restrict_performance_levels_before_switch failed\n"); 1967 return ret; 1968 } 1969 if (eg_pi->pcie_performance_request) 1970 cypress_notify_link_speed_change_before_state_change(rdev, new_ps, old_ps); 1971 1972 rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps); 1973 ret = rv770_halt_smc(rdev); 1974 if (ret) { 1975 DRM_ERROR("rv770_halt_smc failed\n"); 1976 return ret; 1977 } 1978 ret = cypress_upload_sw_state(rdev, new_ps); 1979 if (ret) { 1980 DRM_ERROR("cypress_upload_sw_state failed\n"); 1981 return ret; 1982 } 1983 if (eg_pi->dynamic_ac_timing) { 1984 ret = cypress_upload_mc_reg_table(rdev, new_ps); 1985 if (ret) { 1986 DRM_ERROR("cypress_upload_mc_reg_table failed\n"); 1987 return ret; 1988 } 1989 } 1990 1991 cypress_program_memory_timing_parameters(rdev, new_ps); 1992 1993 ret = rv770_resume_smc(rdev); 1994 if (ret) { 1995 DRM_ERROR("rv770_resume_smc failed\n"); 1996 return ret; 1997 } 1998 ret = rv770_set_sw_state(rdev); 1999 if (ret) { 2000 DRM_ERROR("rv770_set_sw_state failed\n"); 2001 return ret; 2002 } 2003 rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps); 2004 2005 if (eg_pi->pcie_performance_request) 2006 cypress_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps); 2007 2008 return 0; 2009} 2010 2011#if 0 2012void cypress_dpm_reset_asic(struct radeon_device *rdev) 2013{ 2014 rv770_restrict_performance_levels_before_switch(rdev); 2015 rv770_set_boot_state(rdev); 2016} 2017#endif 2018 2019void cypress_dpm_display_configuration_changed(struct radeon_device *rdev) 2020{ 2021 cypress_program_display_gap(rdev); 2022} 2023 2024int cypress_dpm_init(struct radeon_device *rdev) 2025{ 2026 struct rv7xx_power_info *pi; 2027 struct evergreen_power_info *eg_pi; 2028 struct atom_clock_dividers dividers; 2029 int ret; 2030 2031 eg_pi = kzalloc(sizeof(struct evergreen_power_info), GFP_KERNEL); 2032 if (eg_pi == NULL) 2033 return -ENOMEM; 2034 rdev->pm.dpm.priv = eg_pi; 2035 pi = &eg_pi->rv7xx; 2036 2037 rv770_get_max_vddc(rdev); 2038 2039 eg_pi->ulv.supported = false; 2040 pi->acpi_vddc = 0; 2041 eg_pi->acpi_vddci = 0; 2042 pi->min_vddc_in_table = 0; 2043 pi->max_vddc_in_table = 0; 2044 2045 ret = r600_get_platform_caps(rdev); 2046 if (ret) 2047 return ret; 2048 2049 ret = rv7xx_parse_power_table(rdev); 2050 if (ret) 2051 return ret; 2052 2053 if (rdev->pm.dpm.voltage_response_time == 0) 2054 rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT; 2055 if (rdev->pm.dpm.backbias_response_time == 0) 2056 rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT; 2057 2058 ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM, 2059 0, false, ÷rs); 2060 if (ret) 2061 pi->ref_div = dividers.ref_div + 1; 2062 else 2063 pi->ref_div = R600_REFERENCEDIVIDER_DFLT; 2064 2065 pi->mclk_strobe_mode_threshold = 40000; 2066 pi->mclk_edc_enable_threshold = 40000; 2067 eg_pi->mclk_edc_wr_enable_threshold = 40000; 2068 2069 pi->rlp = RV770_RLP_DFLT; 2070 pi->rmp = RV770_RMP_DFLT; 2071 pi->lhp = RV770_LHP_DFLT; 2072 pi->lmp = RV770_LMP_DFLT; 2073 2074 pi->voltage_control = 2075 radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0); 2076 2077 pi->mvdd_control = 2078 radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0); 2079 2080 eg_pi->vddci_control = 2081 radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); 2082 2083 rv770_get_engine_memory_ss(rdev); 2084 2085 pi->asi = RV770_ASI_DFLT; 2086 pi->pasi = CYPRESS_HASI_DFLT; 2087 pi->vrc = CYPRESS_VRC_DFLT; 2088 2089 pi->power_gating = false; 2090 2091 if ((rdev->family == CHIP_CYPRESS) || 2092 (rdev->family == CHIP_HEMLOCK)) 2093 pi->gfx_clock_gating = false; 2094 else 2095 pi->gfx_clock_gating = true; 2096 2097 pi->mg_clock_gating = true; 2098 pi->mgcgtssm = true; 2099 eg_pi->ls_clock_gating = false; 2100 eg_pi->sclk_deep_sleep = false; 2101 2102 pi->dynamic_pcie_gen2 = true; 2103 2104 if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) 2105 pi->thermal_protection = true; 2106 else 2107 pi->thermal_protection = false; 2108 2109 pi->display_gap = true; 2110 2111 if (rdev->flags & RADEON_IS_MOBILITY) 2112 pi->dcodt = true; 2113 else 2114 pi->dcodt = false; 2115 2116 pi->ulps = true; 2117 2118 eg_pi->dynamic_ac_timing = true; 2119 eg_pi->abm = true; 2120 eg_pi->mcls = true; 2121 eg_pi->light_sleep = true; 2122 eg_pi->memory_transition = true; 2123#if defined(CONFIG_ACPI) 2124 eg_pi->pcie_performance_request = 2125 radeon_acpi_is_pcie_performance_request_supported(rdev); 2126#else 2127 eg_pi->pcie_performance_request = false; 2128#endif 2129 2130 if ((rdev->family == CHIP_CYPRESS) || 2131 (rdev->family == CHIP_HEMLOCK) || 2132 (rdev->family == CHIP_JUNIPER)) 2133 eg_pi->dll_default_on = true; 2134 else 2135 eg_pi->dll_default_on = false; 2136 2137 eg_pi->sclk_deep_sleep = false; 2138 pi->mclk_stutter_mode_threshold = 0; 2139 2140 pi->sram_end = SMC_RAM_END; 2141 2142 return 0; 2143} 2144 2145void cypress_dpm_fini(struct radeon_device *rdev) 2146{ 2147 int i; 2148 2149 for (i = 0; i < rdev->pm.dpm.num_ps; i++) { 2150 kfree(rdev->pm.dpm.ps[i].ps_priv); 2151 } 2152 kfree(rdev->pm.dpm.ps); 2153 kfree(rdev->pm.dpm.priv); 2154} 2155 2156bool cypress_dpm_vblank_too_short(struct radeon_device *rdev) 2157{ 2158 struct rv7xx_power_info *pi = rv770_get_pi(rdev); 2159 u32 vblank_time = r600_dpm_get_vblank_time(rdev); 2160 /* we never hit the non-gddr5 limit so disable it */ 2161 u32 switch_limit = pi->mem_gddr5 ? 450 : 0; 2162 2163 if (vblank_time < switch_limit) 2164 return true; 2165 else 2166 return false; 2167 2168} 2169