linux/drivers/gpu/drm/radeon/r600_dpm.c
<<
>>
Prefs
   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 "radeon.h"
  26#include "radeon_asic.h"
  27#include "r600d.h"
  28#include "r600_dpm.h"
  29#include "atom.h"
  30
  31const u32 r600_utc[R600_PM_NUMBER_OF_TC] =
  32{
  33        R600_UTC_DFLT_00,
  34        R600_UTC_DFLT_01,
  35        R600_UTC_DFLT_02,
  36        R600_UTC_DFLT_03,
  37        R600_UTC_DFLT_04,
  38        R600_UTC_DFLT_05,
  39        R600_UTC_DFLT_06,
  40        R600_UTC_DFLT_07,
  41        R600_UTC_DFLT_08,
  42        R600_UTC_DFLT_09,
  43        R600_UTC_DFLT_10,
  44        R600_UTC_DFLT_11,
  45        R600_UTC_DFLT_12,
  46        R600_UTC_DFLT_13,
  47        R600_UTC_DFLT_14,
  48};
  49
  50const u32 r600_dtc[R600_PM_NUMBER_OF_TC] =
  51{
  52        R600_DTC_DFLT_00,
  53        R600_DTC_DFLT_01,
  54        R600_DTC_DFLT_02,
  55        R600_DTC_DFLT_03,
  56        R600_DTC_DFLT_04,
  57        R600_DTC_DFLT_05,
  58        R600_DTC_DFLT_06,
  59        R600_DTC_DFLT_07,
  60        R600_DTC_DFLT_08,
  61        R600_DTC_DFLT_09,
  62        R600_DTC_DFLT_10,
  63        R600_DTC_DFLT_11,
  64        R600_DTC_DFLT_12,
  65        R600_DTC_DFLT_13,
  66        R600_DTC_DFLT_14,
  67};
  68
  69void r600_dpm_print_class_info(u32 class, u32 class2)
  70{
  71        const char *s;
  72
  73        switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
  74        case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
  75        default:
  76                s = "none";
  77                break;
  78        case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
  79                s = "battery";
  80                break;
  81        case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
  82                s = "balanced";
  83                break;
  84        case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
  85                s = "performance";
  86                break;
  87        }
  88        printk("\tui class: %s\n", s);
  89
  90        printk("\tinternal class:");
  91        if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) &&
  92            (class2 == 0))
  93                pr_cont(" none");
  94        else {
  95                if (class & ATOM_PPLIB_CLASSIFICATION_BOOT)
  96                        pr_cont(" boot");
  97                if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
  98                        pr_cont(" thermal");
  99                if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
 100                        pr_cont(" limited_pwr");
 101                if (class & ATOM_PPLIB_CLASSIFICATION_REST)
 102                        pr_cont(" rest");
 103                if (class & ATOM_PPLIB_CLASSIFICATION_FORCED)
 104                        pr_cont(" forced");
 105                if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
 106                        pr_cont(" 3d_perf");
 107                if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE)
 108                        pr_cont(" ovrdrv");
 109                if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
 110                        pr_cont(" uvd");
 111                if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW)
 112                        pr_cont(" 3d_low");
 113                if (class & ATOM_PPLIB_CLASSIFICATION_ACPI)
 114                        pr_cont(" acpi");
 115                if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
 116                        pr_cont(" uvd_hd2");
 117                if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
 118                        pr_cont(" uvd_hd");
 119                if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
 120                        pr_cont(" uvd_sd");
 121                if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
 122                        pr_cont(" limited_pwr2");
 123                if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
 124                        pr_cont(" ulv");
 125                if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
 126                        pr_cont(" uvd_mvc");
 127        }
 128        pr_cont("\n");
 129}
 130
 131void r600_dpm_print_cap_info(u32 caps)
 132{
 133        printk("\tcaps:");
 134        if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
 135                pr_cont(" single_disp");
 136        if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK)
 137                pr_cont(" video");
 138        if (caps & ATOM_PPLIB_DISALLOW_ON_DC)
 139                pr_cont(" no_dc");
 140        pr_cont("\n");
 141}
 142
 143void r600_dpm_print_ps_status(struct radeon_device *rdev,
 144                              struct radeon_ps *rps)
 145{
 146        printk("\tstatus:");
 147        if (rps == rdev->pm.dpm.current_ps)
 148                pr_cont(" c");
 149        if (rps == rdev->pm.dpm.requested_ps)
 150                pr_cont(" r");
 151        if (rps == rdev->pm.dpm.boot_ps)
 152                pr_cont(" b");
 153        pr_cont("\n");
 154}
 155
 156u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
 157{
 158        struct drm_device *dev = rdev->ddev;
 159        struct drm_crtc *crtc;
 160        struct radeon_crtc *radeon_crtc;
 161        u32 vblank_in_pixels;
 162        u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
 163
 164        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
 165                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 166                        radeon_crtc = to_radeon_crtc(crtc);
 167                        if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
 168                                vblank_in_pixels =
 169                                        radeon_crtc->hw_mode.crtc_htotal *
 170                                        (radeon_crtc->hw_mode.crtc_vblank_end -
 171                                         radeon_crtc->hw_mode.crtc_vdisplay +
 172                                         (radeon_crtc->v_border * 2));
 173
 174                                vblank_time_us = vblank_in_pixels * 1000 / radeon_crtc->hw_mode.clock;
 175                                break;
 176                        }
 177                }
 178        }
 179
 180        return vblank_time_us;
 181}
 182
 183u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
 184{
 185        struct drm_device *dev = rdev->ddev;
 186        struct drm_crtc *crtc;
 187        struct radeon_crtc *radeon_crtc;
 188        u32 vrefresh = 0;
 189
 190        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
 191                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 192                        radeon_crtc = to_radeon_crtc(crtc);
 193                        if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
 194                                vrefresh = drm_mode_vrefresh(&radeon_crtc->hw_mode);
 195                                break;
 196                        }
 197                }
 198        }
 199        return vrefresh;
 200}
 201
 202void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
 203                            u32 *p, u32 *u)
 204{
 205        u32 b_c = 0;
 206        u32 i_c;
 207        u32 tmp;
 208
 209        i_c = (i * r_c) / 100;
 210        tmp = i_c >> p_b;
 211
 212        while (tmp) {
 213                b_c++;
 214                tmp >>= 1;
 215        }
 216
 217        *u = (b_c + 1) / 2;
 218        *p = i_c / (1 << (2 * (*u)));
 219}
 220
 221int r600_calculate_at(u32 t, u32 h, u32 fh, u32 fl, u32 *tl, u32 *th)
 222{
 223        u32 k, a, ah, al;
 224        u32 t1;
 225
 226        if ((fl == 0) || (fh == 0) || (fl > fh))
 227                return -EINVAL;
 228
 229        k = (100 * fh) / fl;
 230        t1 = (t * (k - 100));
 231        a = (1000 * (100 * h + t1)) / (10000 + (t1 / 100));
 232        a = (a + 5) / 10;
 233        ah = ((a * t) + 5000) / 10000;
 234        al = a - ah;
 235
 236        *th = t - ah;
 237        *tl = t + al;
 238
 239        return 0;
 240}
 241
 242void r600_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
 243{
 244        int i;
 245
 246        if (enable) {
 247                WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
 248        } else {
 249                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
 250
 251                WREG32(CG_RLC_REQ_AND_RSP, 0x2);
 252
 253                for (i = 0; i < rdev->usec_timeout; i++) {
 254                        if (((RREG32(CG_RLC_REQ_AND_RSP) & CG_RLC_RSP_TYPE_MASK) >> CG_RLC_RSP_TYPE_SHIFT) == 1)
 255                                break;
 256                        udelay(1);
 257                }
 258
 259                WREG32(CG_RLC_REQ_AND_RSP, 0x0);
 260
 261                WREG32(GRBM_PWR_CNTL, 0x1);
 262                RREG32(GRBM_PWR_CNTL);
 263        }
 264}
 265
 266void r600_dynamicpm_enable(struct radeon_device *rdev, bool enable)
 267{
 268        if (enable)
 269                WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
 270        else
 271                WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
 272}
 273
 274void r600_enable_thermal_protection(struct radeon_device *rdev, bool enable)
 275{
 276        if (enable)
 277                WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
 278        else
 279                WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
 280}
 281
 282void r600_enable_acpi_pm(struct radeon_device *rdev)
 283{
 284        WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
 285}
 286
 287void r600_enable_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable)
 288{
 289        if (enable)
 290                WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
 291        else
 292                WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
 293}
 294
 295bool r600_dynamicpm_enabled(struct radeon_device *rdev)
 296{
 297        if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
 298                return true;
 299        else
 300                return false;
 301}
 302
 303void r600_enable_sclk_control(struct radeon_device *rdev, bool enable)
 304{
 305        if (enable)
 306                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
 307        else
 308                WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
 309}
 310
 311void r600_enable_mclk_control(struct radeon_device *rdev, bool enable)
 312{
 313        if (enable)
 314                WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
 315        else
 316                WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
 317}
 318
 319void r600_enable_spll_bypass(struct radeon_device *rdev, bool enable)
 320{
 321        if (enable)
 322                WREG32_P(CG_SPLL_FUNC_CNTL, SPLL_BYPASS_EN, ~SPLL_BYPASS_EN);
 323        else
 324                WREG32_P(CG_SPLL_FUNC_CNTL, 0, ~SPLL_BYPASS_EN);
 325}
 326
 327void r600_wait_for_spll_change(struct radeon_device *rdev)
 328{
 329        int i;
 330
 331        for (i = 0; i < rdev->usec_timeout; i++) {
 332                if (RREG32(CG_SPLL_FUNC_CNTL) & SPLL_CHG_STATUS)
 333                        break;
 334                udelay(1);
 335        }
 336}
 337
 338void r600_set_bsp(struct radeon_device *rdev, u32 u, u32 p)
 339{
 340        WREG32(CG_BSP, BSP(p) | BSU(u));
 341}
 342
 343void r600_set_at(struct radeon_device *rdev,
 344                 u32 l_to_m, u32 m_to_h,
 345                 u32 h_to_m, u32 m_to_l)
 346{
 347        WREG32(CG_RT, FLS(l_to_m) | FMS(m_to_h));
 348        WREG32(CG_LT, FHS(h_to_m) | FMS(m_to_l));
 349}
 350
 351void r600_set_tc(struct radeon_device *rdev,
 352                 u32 index, u32 u_t, u32 d_t)
 353{
 354        WREG32(CG_FFCT_0 + (index * 4), UTC_0(u_t) | DTC_0(d_t));
 355}
 356
 357void r600_select_td(struct radeon_device *rdev,
 358                    enum r600_td td)
 359{
 360        if (td == R600_TD_AUTO)
 361                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
 362        else
 363                WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
 364        if (td == R600_TD_UP)
 365                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
 366        if (td == R600_TD_DOWN)
 367                WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
 368}
 369
 370void r600_set_vrc(struct radeon_device *rdev, u32 vrv)
 371{
 372        WREG32(CG_FTV, vrv);
 373}
 374
 375void r600_set_tpu(struct radeon_device *rdev, u32 u)
 376{
 377        WREG32_P(CG_TPC, TPU(u), ~TPU_MASK);
 378}
 379
 380void r600_set_tpc(struct radeon_device *rdev, u32 c)
 381{
 382        WREG32_P(CG_TPC, TPCC(c), ~TPCC_MASK);
 383}
 384
 385void r600_set_sstu(struct radeon_device *rdev, u32 u)
 386{
 387        WREG32_P(CG_SSP, CG_SSTU(u), ~CG_SSTU_MASK);
 388}
 389
 390void r600_set_sst(struct radeon_device *rdev, u32 t)
 391{
 392        WREG32_P(CG_SSP, CG_SST(t), ~CG_SST_MASK);
 393}
 394
 395void r600_set_git(struct radeon_device *rdev, u32 t)
 396{
 397        WREG32_P(CG_GIT, CG_GICST(t), ~CG_GICST_MASK);
 398}
 399
 400void r600_set_fctu(struct radeon_device *rdev, u32 u)
 401{
 402        WREG32_P(CG_FC_T, FC_TU(u), ~FC_TU_MASK);
 403}
 404
 405void r600_set_fct(struct radeon_device *rdev, u32 t)
 406{
 407        WREG32_P(CG_FC_T, FC_T(t), ~FC_T_MASK);
 408}
 409
 410void r600_set_ctxcgtt3d_rphc(struct radeon_device *rdev, u32 p)
 411{
 412        WREG32_P(CG_CTX_CGTT3D_R, PHC(p), ~PHC_MASK);
 413}
 414
 415void r600_set_ctxcgtt3d_rsdc(struct radeon_device *rdev, u32 s)
 416{
 417        WREG32_P(CG_CTX_CGTT3D_R, SDC(s), ~SDC_MASK);
 418}
 419
 420void r600_set_vddc3d_oorsu(struct radeon_device *rdev, u32 u)
 421{
 422        WREG32_P(CG_VDDC3D_OOR, SU(u), ~SU_MASK);
 423}
 424
 425void r600_set_vddc3d_oorphc(struct radeon_device *rdev, u32 p)
 426{
 427        WREG32_P(CG_VDDC3D_OOR, PHC(p), ~PHC_MASK);
 428}
 429
 430void r600_set_vddc3d_oorsdc(struct radeon_device *rdev, u32 s)
 431{
 432        WREG32_P(CG_VDDC3D_OOR, SDC(s), ~SDC_MASK);
 433}
 434
 435void r600_set_mpll_lock_time(struct radeon_device *rdev, u32 lock_time)
 436{
 437        WREG32_P(MPLL_TIME, MPLL_LOCK_TIME(lock_time), ~MPLL_LOCK_TIME_MASK);
 438}
 439
 440void r600_set_mpll_reset_time(struct radeon_device *rdev, u32 reset_time)
 441{
 442        WREG32_P(MPLL_TIME, MPLL_RESET_TIME(reset_time), ~MPLL_RESET_TIME_MASK);
 443}
 444
 445void r600_engine_clock_entry_enable(struct radeon_device *rdev,
 446                                    u32 index, bool enable)
 447{
 448        if (enable)
 449                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 450                         STEP_0_SPLL_ENTRY_VALID, ~STEP_0_SPLL_ENTRY_VALID);
 451        else
 452                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 453                         0, ~STEP_0_SPLL_ENTRY_VALID);
 454}
 455
 456void r600_engine_clock_entry_enable_pulse_skipping(struct radeon_device *rdev,
 457                                                   u32 index, bool enable)
 458{
 459        if (enable)
 460                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 461                         STEP_0_SPLL_STEP_ENABLE, ~STEP_0_SPLL_STEP_ENABLE);
 462        else
 463                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 464                         0, ~STEP_0_SPLL_STEP_ENABLE);
 465}
 466
 467void r600_engine_clock_entry_enable_post_divider(struct radeon_device *rdev,
 468                                                 u32 index, bool enable)
 469{
 470        if (enable)
 471                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 472                         STEP_0_POST_DIV_EN, ~STEP_0_POST_DIV_EN);
 473        else
 474                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 475                         0, ~STEP_0_POST_DIV_EN);
 476}
 477
 478void r600_engine_clock_entry_set_post_divider(struct radeon_device *rdev,
 479                                              u32 index, u32 divider)
 480{
 481        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 482                 STEP_0_SPLL_POST_DIV(divider), ~STEP_0_SPLL_POST_DIV_MASK);
 483}
 484
 485void r600_engine_clock_entry_set_reference_divider(struct radeon_device *rdev,
 486                                                   u32 index, u32 divider)
 487{
 488        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 489                 STEP_0_SPLL_REF_DIV(divider), ~STEP_0_SPLL_REF_DIV_MASK);
 490}
 491
 492void r600_engine_clock_entry_set_feedback_divider(struct radeon_device *rdev,
 493                                                  u32 index, u32 divider)
 494{
 495        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 496                 STEP_0_SPLL_FB_DIV(divider), ~STEP_0_SPLL_FB_DIV_MASK);
 497}
 498
 499void r600_engine_clock_entry_set_step_time(struct radeon_device *rdev,
 500                                           u32 index, u32 step_time)
 501{
 502        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 503                 STEP_0_SPLL_STEP_TIME(step_time), ~STEP_0_SPLL_STEP_TIME_MASK);
 504}
 505
 506void r600_vid_rt_set_ssu(struct radeon_device *rdev, u32 u)
 507{
 508        WREG32_P(VID_RT, SSTU(u), ~SSTU_MASK);
 509}
 510
 511void r600_vid_rt_set_vru(struct radeon_device *rdev, u32 u)
 512{
 513        WREG32_P(VID_RT, VID_CRTU(u), ~VID_CRTU_MASK);
 514}
 515
 516void r600_vid_rt_set_vrt(struct radeon_device *rdev, u32 rt)
 517{
 518        WREG32_P(VID_RT, VID_CRT(rt), ~VID_CRT_MASK);
 519}
 520
 521void r600_voltage_control_enable_pins(struct radeon_device *rdev,
 522                                      u64 mask)
 523{
 524        WREG32(LOWER_GPIO_ENABLE, mask & 0xffffffff);
 525        WREG32(UPPER_GPIO_ENABLE, upper_32_bits(mask));
 526}
 527
 528
 529void r600_voltage_control_program_voltages(struct radeon_device *rdev,
 530                                           enum r600_power_level index, u64 pins)
 531{
 532        u32 tmp, mask;
 533        u32 ix = 3 - (3 & index);
 534
 535        WREG32(CTXSW_VID_LOWER_GPIO_CNTL + (ix * 4), pins & 0xffffffff);
 536
 537        mask = 7 << (3 * ix);
 538        tmp = RREG32(VID_UPPER_GPIO_CNTL);
 539        tmp = (tmp & ~mask) | ((pins >> (32 - (3 * ix))) & mask);
 540        WREG32(VID_UPPER_GPIO_CNTL, tmp);
 541}
 542
 543void r600_voltage_control_deactivate_static_control(struct radeon_device *rdev,
 544                                                    u64 mask)
 545{
 546        u32 gpio;
 547
 548        gpio = RREG32(GPIOPAD_MASK);
 549        gpio &= ~mask;
 550        WREG32(GPIOPAD_MASK, gpio);
 551
 552        gpio = RREG32(GPIOPAD_EN);
 553        gpio &= ~mask;
 554        WREG32(GPIOPAD_EN, gpio);
 555
 556        gpio = RREG32(GPIOPAD_A);
 557        gpio &= ~mask;
 558        WREG32(GPIOPAD_A, gpio);
 559}
 560
 561void r600_power_level_enable(struct radeon_device *rdev,
 562                             enum r600_power_level index, bool enable)
 563{
 564        u32 ix = 3 - (3 & index);
 565
 566        if (enable)
 567                WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), CTXSW_FREQ_STATE_ENABLE,
 568                         ~CTXSW_FREQ_STATE_ENABLE);
 569        else
 570                WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), 0,
 571                         ~CTXSW_FREQ_STATE_ENABLE);
 572}
 573
 574void r600_power_level_set_voltage_index(struct radeon_device *rdev,
 575                                        enum r600_power_level index, u32 voltage_index)
 576{
 577        u32 ix = 3 - (3 & index);
 578
 579        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
 580                 CTXSW_FREQ_VIDS_CFG_INDEX(voltage_index), ~CTXSW_FREQ_VIDS_CFG_INDEX_MASK);
 581}
 582
 583void r600_power_level_set_mem_clock_index(struct radeon_device *rdev,
 584                                          enum r600_power_level index, u32 mem_clock_index)
 585{
 586        u32 ix = 3 - (3 & index);
 587
 588        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
 589                 CTXSW_FREQ_MCLK_CFG_INDEX(mem_clock_index), ~CTXSW_FREQ_MCLK_CFG_INDEX_MASK);
 590}
 591
 592void r600_power_level_set_eng_clock_index(struct radeon_device *rdev,
 593                                          enum r600_power_level index, u32 eng_clock_index)
 594{
 595        u32 ix = 3 - (3 & index);
 596
 597        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
 598                 CTXSW_FREQ_SCLK_CFG_INDEX(eng_clock_index), ~CTXSW_FREQ_SCLK_CFG_INDEX_MASK);
 599}
 600
 601void r600_power_level_set_watermark_id(struct radeon_device *rdev,
 602                                       enum r600_power_level index,
 603                                       enum r600_display_watermark watermark_id)
 604{
 605        u32 ix = 3 - (3 & index);
 606        u32 tmp = 0;
 607
 608        if (watermark_id == R600_DISPLAY_WATERMARK_HIGH)
 609                tmp = CTXSW_FREQ_DISPLAY_WATERMARK;
 610        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_DISPLAY_WATERMARK);
 611}
 612
 613void r600_power_level_set_pcie_gen2(struct radeon_device *rdev,
 614                                    enum r600_power_level index, bool compatible)
 615{
 616        u32 ix = 3 - (3 & index);
 617        u32 tmp = 0;
 618
 619        if (compatible)
 620                tmp = CTXSW_FREQ_GEN2PCIE_VOLT;
 621        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_GEN2PCIE_VOLT);
 622}
 623
 624enum r600_power_level r600_power_level_get_current_index(struct radeon_device *rdev)
 625{
 626        u32 tmp;
 627
 628        tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK;
 629        tmp >>= CURRENT_PROFILE_INDEX_SHIFT;
 630        return tmp;
 631}
 632
 633enum r600_power_level r600_power_level_get_target_index(struct radeon_device *rdev)
 634{
 635        u32 tmp;
 636
 637        tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_PROFILE_INDEX_MASK;
 638        tmp >>= TARGET_PROFILE_INDEX_SHIFT;
 639        return tmp;
 640}
 641
 642void r600_power_level_set_enter_index(struct radeon_device *rdev,
 643                                      enum r600_power_level index)
 644{
 645        WREG32_P(TARGET_AND_CURRENT_PROFILE_INDEX, DYN_PWR_ENTER_INDEX(index),
 646                 ~DYN_PWR_ENTER_INDEX_MASK);
 647}
 648
 649void r600_wait_for_power_level_unequal(struct radeon_device *rdev,
 650                                       enum r600_power_level index)
 651{
 652        int i;
 653
 654        for (i = 0; i < rdev->usec_timeout; i++) {
 655                if (r600_power_level_get_target_index(rdev) != index)
 656                        break;
 657                udelay(1);
 658        }
 659
 660        for (i = 0; i < rdev->usec_timeout; i++) {
 661                if (r600_power_level_get_current_index(rdev) != index)
 662                        break;
 663                udelay(1);
 664        }
 665}
 666
 667void r600_wait_for_power_level(struct radeon_device *rdev,
 668                               enum r600_power_level index)
 669{
 670        int i;
 671
 672        for (i = 0; i < rdev->usec_timeout; i++) {
 673                if (r600_power_level_get_target_index(rdev) == index)
 674                        break;
 675                udelay(1);
 676        }
 677
 678        for (i = 0; i < rdev->usec_timeout; i++) {
 679                if (r600_power_level_get_current_index(rdev) == index)
 680                        break;
 681                udelay(1);
 682        }
 683}
 684
 685void r600_start_dpm(struct radeon_device *rdev)
 686{
 687        r600_enable_sclk_control(rdev, false);
 688        r600_enable_mclk_control(rdev, false);
 689
 690        r600_dynamicpm_enable(rdev, true);
 691
 692        radeon_wait_for_vblank(rdev, 0);
 693        radeon_wait_for_vblank(rdev, 1);
 694
 695        r600_enable_spll_bypass(rdev, true);
 696        r600_wait_for_spll_change(rdev);
 697        r600_enable_spll_bypass(rdev, false);
 698        r600_wait_for_spll_change(rdev);
 699
 700        r600_enable_spll_bypass(rdev, true);
 701        r600_wait_for_spll_change(rdev);
 702        r600_enable_spll_bypass(rdev, false);
 703        r600_wait_for_spll_change(rdev);
 704
 705        r600_enable_sclk_control(rdev, true);
 706        r600_enable_mclk_control(rdev, true);
 707}
 708
 709void r600_stop_dpm(struct radeon_device *rdev)
 710{
 711        r600_dynamicpm_enable(rdev, false);
 712}
 713
 714int r600_dpm_pre_set_power_state(struct radeon_device *rdev)
 715{
 716        return 0;
 717}
 718
 719void r600_dpm_post_set_power_state(struct radeon_device *rdev)
 720{
 721
 722}
 723
 724bool r600_is_uvd_state(u32 class, u32 class2)
 725{
 726        if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
 727                return true;
 728        if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
 729                return true;
 730        if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
 731                return true;
 732        if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
 733                return true;
 734        if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
 735                return true;
 736        return false;
 737}
 738
 739static int r600_set_thermal_temperature_range(struct radeon_device *rdev,
 740                                              int min_temp, int max_temp)
 741{
 742        int low_temp = 0 * 1000;
 743        int high_temp = 255 * 1000;
 744
 745        if (low_temp < min_temp)
 746                low_temp = min_temp;
 747        if (high_temp > max_temp)
 748                high_temp = max_temp;
 749        if (high_temp < low_temp) {
 750                DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
 751                return -EINVAL;
 752        }
 753
 754        WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
 755        WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
 756        WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
 757
 758        rdev->pm.dpm.thermal.min_temp = low_temp;
 759        rdev->pm.dpm.thermal.max_temp = high_temp;
 760
 761        return 0;
 762}
 763
 764bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
 765{
 766        switch (sensor) {
 767        case THERMAL_TYPE_RV6XX:
 768        case THERMAL_TYPE_RV770:
 769        case THERMAL_TYPE_EVERGREEN:
 770        case THERMAL_TYPE_SUMO:
 771        case THERMAL_TYPE_NI:
 772        case THERMAL_TYPE_SI:
 773        case THERMAL_TYPE_CI:
 774        case THERMAL_TYPE_KV:
 775                return true;
 776        case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
 777        case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
 778                return false; /* need special handling */
 779        case THERMAL_TYPE_NONE:
 780        case THERMAL_TYPE_EXTERNAL:
 781        case THERMAL_TYPE_EXTERNAL_GPIO:
 782        default:
 783                return false;
 784        }
 785}
 786
 787int r600_dpm_late_enable(struct radeon_device *rdev)
 788{
 789        int ret;
 790
 791        if (rdev->irq.installed &&
 792            r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
 793                ret = r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
 794                if (ret)
 795                        return ret;
 796                rdev->irq.dpm_thermal = true;
 797                radeon_irq_set(rdev);
 798        }
 799
 800        return 0;
 801}
 802
 803union power_info {
 804        struct _ATOM_POWERPLAY_INFO info;
 805        struct _ATOM_POWERPLAY_INFO_V2 info_2;
 806        struct _ATOM_POWERPLAY_INFO_V3 info_3;
 807        struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
 808        struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
 809        struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
 810        struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
 811        struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
 812};
 813
 814union fan_info {
 815        struct _ATOM_PPLIB_FANTABLE fan;
 816        struct _ATOM_PPLIB_FANTABLE2 fan2;
 817        struct _ATOM_PPLIB_FANTABLE3 fan3;
 818};
 819
 820static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table *radeon_table,
 821                                            ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
 822{
 823        u32 size = atom_table->ucNumEntries *
 824                sizeof(struct radeon_clock_voltage_dependency_entry);
 825        int i;
 826        ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
 827
 828        radeon_table->entries = kzalloc(size, GFP_KERNEL);
 829        if (!radeon_table->entries)
 830                return -ENOMEM;
 831
 832        entry = &atom_table->entries[0];
 833        for (i = 0; i < atom_table->ucNumEntries; i++) {
 834                radeon_table->entries[i].clk = le16_to_cpu(entry->usClockLow) |
 835                        (entry->ucClockHigh << 16);
 836                radeon_table->entries[i].v = le16_to_cpu(entry->usVoltage);
 837                entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
 838                        ((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
 839        }
 840        radeon_table->count = atom_table->ucNumEntries;
 841
 842        return 0;
 843}
 844
 845int r600_get_platform_caps(struct radeon_device *rdev)
 846{
 847        struct radeon_mode_info *mode_info = &rdev->mode_info;
 848        union power_info *power_info;
 849        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
 850        u16 data_offset;
 851        u8 frev, crev;
 852
 853        if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
 854                                   &frev, &crev, &data_offset))
 855                return -EINVAL;
 856        power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
 857
 858        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
 859        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
 860        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
 861
 862        return 0;
 863}
 864
 865/* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
 866#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
 867#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
 868#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
 869#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
 870#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
 871#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
 872
 873int r600_parse_extended_power_table(struct radeon_device *rdev)
 874{
 875        struct radeon_mode_info *mode_info = &rdev->mode_info;
 876        union power_info *power_info;
 877        union fan_info *fan_info;
 878        ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
 879        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
 880        u16 data_offset;
 881        u8 frev, crev;
 882        int ret, i;
 883
 884        if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
 885                                   &frev, &crev, &data_offset))
 886                return -EINVAL;
 887        power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
 888
 889        /* fan table */
 890        if (le16_to_cpu(power_info->pplib.usTableSize) >=
 891            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
 892                if (power_info->pplib3.usFanTableOffset) {
 893                        fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
 894                                                      le16_to_cpu(power_info->pplib3.usFanTableOffset));
 895                        rdev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
 896                        rdev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
 897                        rdev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
 898                        rdev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
 899                        rdev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
 900                        rdev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
 901                        rdev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
 902                        if (fan_info->fan.ucFanTableFormat >= 2)
 903                                rdev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
 904                        else
 905                                rdev->pm.dpm.fan.t_max = 10900;
 906                        rdev->pm.dpm.fan.cycle_delay = 100000;
 907                        if (fan_info->fan.ucFanTableFormat >= 3) {
 908                                rdev->pm.dpm.fan.control_mode = fan_info->fan3.ucFanControlMode;
 909                                rdev->pm.dpm.fan.default_max_fan_pwm =
 910                                        le16_to_cpu(fan_info->fan3.usFanPWMMax);
 911                                rdev->pm.dpm.fan.default_fan_output_sensitivity = 4836;
 912                                rdev->pm.dpm.fan.fan_output_sensitivity =
 913                                        le16_to_cpu(fan_info->fan3.usFanOutputSensitivity);
 914                        }
 915                        rdev->pm.dpm.fan.ucode_fan_control = true;
 916                }
 917        }
 918
 919        /* clock dependancy tables, shedding tables */
 920        if (le16_to_cpu(power_info->pplib.usTableSize) >=
 921            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
 922                if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
 923                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 924                                (mode_info->atom_context->bios + data_offset +
 925                                 le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
 926                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
 927                                                               dep_table);
 928                        if (ret)
 929                                return ret;
 930                }
 931                if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
 932                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 933                                (mode_info->atom_context->bios + data_offset +
 934                                 le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
 935                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
 936                                                               dep_table);
 937                        if (ret) {
 938                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
 939                                return ret;
 940                        }
 941                }
 942                if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
 943                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 944                                (mode_info->atom_context->bios + data_offset +
 945                                 le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
 946                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
 947                                                               dep_table);
 948                        if (ret) {
 949                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
 950                                kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
 951                                return ret;
 952                        }
 953                }
 954                if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
 955                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 956                                (mode_info->atom_context->bios + data_offset +
 957                                 le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
 958                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
 959                                                               dep_table);
 960                        if (ret) {
 961                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
 962                                kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
 963                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
 964                                return ret;
 965                        }
 966                }
 967                if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
 968                        ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
 969                                (ATOM_PPLIB_Clock_Voltage_Limit_Table *)
 970                                (mode_info->atom_context->bios + data_offset +
 971                                 le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
 972                        if (clk_v->ucNumEntries) {
 973                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
 974                                        le16_to_cpu(clk_v->entries[0].usSclkLow) |
 975                                        (clk_v->entries[0].ucSclkHigh << 16);
 976                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
 977                                        le16_to_cpu(clk_v->entries[0].usMclkLow) |
 978                                        (clk_v->entries[0].ucMclkHigh << 16);
 979                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
 980                                        le16_to_cpu(clk_v->entries[0].usVddc);
 981                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
 982                                        le16_to_cpu(clk_v->entries[0].usVddci);
 983                        }
 984                }
 985                if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) {
 986                        ATOM_PPLIB_PhaseSheddingLimits_Table *psl =
 987                                (ATOM_PPLIB_PhaseSheddingLimits_Table *)
 988                                (mode_info->atom_context->bios + data_offset +
 989                                 le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
 990                        ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
 991
 992                        rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
 993                                kcalloc(psl->ucNumEntries,
 994                                        sizeof(struct radeon_phase_shedding_limits_entry),
 995                                        GFP_KERNEL);
 996                        if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
 997                                r600_free_extended_power_table(rdev);
 998                                return -ENOMEM;
 999                        }
1000
1001                        entry = &psl->entries[0];
1002                        for (i = 0; i < psl->ucNumEntries; i++) {
1003                                rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
1004                                        le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
1005                                rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
1006                                        le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
1007                                rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
1008                                        le16_to_cpu(entry->usVoltage);
1009                                entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
1010                                        ((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
1011                        }
1012                        rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
1013                                psl->ucNumEntries;
1014                }
1015        }
1016
1017        /* cac data */
1018        if (le16_to_cpu(power_info->pplib.usTableSize) >=
1019            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
1020                rdev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
1021                rdev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
1022                rdev->pm.dpm.near_tdp_limit_adjusted = rdev->pm.dpm.near_tdp_limit;
1023                rdev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
1024                if (rdev->pm.dpm.tdp_od_limit)
1025                        rdev->pm.dpm.power_control = true;
1026                else
1027                        rdev->pm.dpm.power_control = false;
1028                rdev->pm.dpm.tdp_adjustment = 0;
1029                rdev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
1030                rdev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
1031                rdev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
1032                if (power_info->pplib5.usCACLeakageTableOffset) {
1033                        ATOM_PPLIB_CAC_Leakage_Table *cac_table =
1034                                (ATOM_PPLIB_CAC_Leakage_Table *)
1035                                (mode_info->atom_context->bios + data_offset +
1036                                 le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
1037                        ATOM_PPLIB_CAC_Leakage_Record *entry;
1038                        u32 size = cac_table->ucNumEntries * sizeof(struct radeon_cac_leakage_table);
1039                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
1040                        if (!rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
1041                                r600_free_extended_power_table(rdev);
1042                                return -ENOMEM;
1043                        }
1044                        entry = &cac_table->entries[0];
1045                        for (i = 0; i < cac_table->ucNumEntries; i++) {
1046                                if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1047                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
1048                                                le16_to_cpu(entry->usVddc1);
1049                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
1050                                                le16_to_cpu(entry->usVddc2);
1051                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
1052                                                le16_to_cpu(entry->usVddc3);
1053                                } else {
1054                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
1055                                                le16_to_cpu(entry->usVddc);
1056                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
1057                                                le32_to_cpu(entry->ulLeakageValue);
1058                                }
1059                                entry = (ATOM_PPLIB_CAC_Leakage_Record *)
1060                                        ((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
1061                        }
1062                        rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
1063                }
1064        }
1065
1066        /* ext tables */
1067        if (le16_to_cpu(power_info->pplib.usTableSize) >=
1068            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
1069                ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
1070                        (mode_info->atom_context->bios + data_offset +
1071                         le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
1072                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
1073                        ext_hdr->usVCETableOffset) {
1074                        VCEClockInfoArray *array = (VCEClockInfoArray *)
1075                                (mode_info->atom_context->bios + data_offset +
1076                                 le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
1077                        ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
1078                                (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
1079                                (mode_info->atom_context->bios + data_offset +
1080                                 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1081                                 1 + array->ucNumEntries * sizeof(VCEClockInfo));
1082                        ATOM_PPLIB_VCE_State_Table *states =
1083                                (ATOM_PPLIB_VCE_State_Table *)
1084                                (mode_info->atom_context->bios + data_offset +
1085                                 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1086                                 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) +
1087                                 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)));
1088                        ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
1089                        ATOM_PPLIB_VCE_State_Record *state_entry;
1090                        VCEClockInfo *vce_clk;
1091                        u32 size = limits->numEntries *
1092                                sizeof(struct radeon_vce_clock_voltage_dependency_entry);
1093                        rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
1094                                kzalloc(size, GFP_KERNEL);
1095                        if (!rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
1096                                r600_free_extended_power_table(rdev);
1097                                return -ENOMEM;
1098                        }
1099                        rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
1100                                limits->numEntries;
1101                        entry = &limits->entries[0];
1102                        state_entry = &states->entries[0];
1103                        for (i = 0; i < limits->numEntries; i++) {
1104                                vce_clk = (VCEClockInfo *)
1105                                        ((u8 *)&array->entries[0] +
1106                                         (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1107                                rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
1108                                        le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1109                                rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
1110                                        le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1111                                rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
1112                                        le16_to_cpu(entry->usVoltage);
1113                                entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
1114                                        ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
1115                        }
1116                        for (i = 0; i < states->numEntries; i++) {
1117                                if (i >= RADEON_MAX_VCE_LEVELS)
1118                                        break;
1119                                vce_clk = (VCEClockInfo *)
1120                                        ((u8 *)&array->entries[0] +
1121                                         (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1122                                rdev->pm.dpm.vce_states[i].evclk =
1123                                        le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1124                                rdev->pm.dpm.vce_states[i].ecclk =
1125                                        le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1126                                rdev->pm.dpm.vce_states[i].clk_idx =
1127                                        state_entry->ucClockInfoIndex & 0x3f;
1128                                rdev->pm.dpm.vce_states[i].pstate =
1129                                        (state_entry->ucClockInfoIndex & 0xc0) >> 6;
1130                                state_entry = (ATOM_PPLIB_VCE_State_Record *)
1131                                        ((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record));
1132                        }
1133                }
1134                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
1135                        ext_hdr->usUVDTableOffset) {
1136                        UVDClockInfoArray *array = (UVDClockInfoArray *)
1137                                (mode_info->atom_context->bios + data_offset +
1138                                 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
1139                        ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
1140                                (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
1141                                (mode_info->atom_context->bios + data_offset +
1142                                 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
1143                                 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
1144                        ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
1145                        u32 size = limits->numEntries *
1146                                sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
1147                        rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
1148                                kzalloc(size, GFP_KERNEL);
1149                        if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
1150                                r600_free_extended_power_table(rdev);
1151                                return -ENOMEM;
1152                        }
1153                        rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
1154                                limits->numEntries;
1155                        entry = &limits->entries[0];
1156                        for (i = 0; i < limits->numEntries; i++) {
1157                                UVDClockInfo *uvd_clk = (UVDClockInfo *)
1158                                        ((u8 *)&array->entries[0] +
1159                                         (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
1160                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
1161                                        le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
1162                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
1163                                        le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
1164                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
1165                                        le16_to_cpu(entry->usVoltage);
1166                                entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
1167                                        ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
1168                        }
1169                }
1170                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
1171                        ext_hdr->usSAMUTableOffset) {
1172                        ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
1173                                (ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
1174                                (mode_info->atom_context->bios + data_offset +
1175                                 le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
1176                        ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
1177                        u32 size = limits->numEntries *
1178                                sizeof(struct radeon_clock_voltage_dependency_entry);
1179                        rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
1180                                kzalloc(size, GFP_KERNEL);
1181                        if (!rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
1182                                r600_free_extended_power_table(rdev);
1183                                return -ENOMEM;
1184                        }
1185                        rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
1186                                limits->numEntries;
1187                        entry = &limits->entries[0];
1188                        for (i = 0; i < limits->numEntries; i++) {
1189                                rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
1190                                        le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
1191                                rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
1192                                        le16_to_cpu(entry->usVoltage);
1193                                entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
1194                                        ((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
1195                        }
1196                }
1197                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
1198                    ext_hdr->usPPMTableOffset) {
1199                        ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
1200                                (mode_info->atom_context->bios + data_offset +
1201                                 le16_to_cpu(ext_hdr->usPPMTableOffset));
1202                        rdev->pm.dpm.dyn_state.ppm_table =
1203                                kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
1204                        if (!rdev->pm.dpm.dyn_state.ppm_table) {
1205                                r600_free_extended_power_table(rdev);
1206                                return -ENOMEM;
1207                        }
1208                        rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
1209                        rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
1210                                le16_to_cpu(ppm->usCpuCoreNumber);
1211                        rdev->pm.dpm.dyn_state.ppm_table->platform_tdp =
1212                                le32_to_cpu(ppm->ulPlatformTDP);
1213                        rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
1214                                le32_to_cpu(ppm->ulSmallACPlatformTDP);
1215                        rdev->pm.dpm.dyn_state.ppm_table->platform_tdc =
1216                                le32_to_cpu(ppm->ulPlatformTDC);
1217                        rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
1218                                le32_to_cpu(ppm->ulSmallACPlatformTDC);
1219                        rdev->pm.dpm.dyn_state.ppm_table->apu_tdp =
1220                                le32_to_cpu(ppm->ulApuTDP);
1221                        rdev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
1222                                le32_to_cpu(ppm->ulDGpuTDP);
1223                        rdev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
1224                                le32_to_cpu(ppm->ulDGpuUlvPower);
1225                        rdev->pm.dpm.dyn_state.ppm_table->tj_max =
1226                                le32_to_cpu(ppm->ulTjmax);
1227                }
1228                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
1229                        ext_hdr->usACPTableOffset) {
1230                        ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
1231                                (ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
1232                                (mode_info->atom_context->bios + data_offset +
1233                                 le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
1234                        ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
1235                        u32 size = limits->numEntries *
1236                                sizeof(struct radeon_clock_voltage_dependency_entry);
1237                        rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
1238                                kzalloc(size, GFP_KERNEL);
1239                        if (!rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
1240                                r600_free_extended_power_table(rdev);
1241                                return -ENOMEM;
1242                        }
1243                        rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
1244                                limits->numEntries;
1245                        entry = &limits->entries[0];
1246                        for (i = 0; i < limits->numEntries; i++) {
1247                                rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
1248                                        le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
1249                                rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
1250                                        le16_to_cpu(entry->usVoltage);
1251                                entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
1252                                        ((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
1253                        }
1254                }
1255                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
1256                        ext_hdr->usPowerTuneTableOffset) {
1257                        u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
1258                                         le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1259                        ATOM_PowerTune_Table *pt;
1260                        rdev->pm.dpm.dyn_state.cac_tdp_table =
1261                                kzalloc(sizeof(struct radeon_cac_tdp_table), GFP_KERNEL);
1262                        if (!rdev->pm.dpm.dyn_state.cac_tdp_table) {
1263                                r600_free_extended_power_table(rdev);
1264                                return -ENOMEM;
1265                        }
1266                        if (rev > 0) {
1267                                ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
1268                                        (mode_info->atom_context->bios + data_offset +
1269                                         le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1270                                rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
1271                                        le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
1272                                pt = &ppt->power_tune_table;
1273                        } else {
1274                                ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
1275                                        (mode_info->atom_context->bios + data_offset +
1276                                         le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1277                                rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
1278                                pt = &ppt->power_tune_table;
1279                        }
1280                        rdev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
1281                        rdev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
1282                                le16_to_cpu(pt->usConfigurableTDP);
1283                        rdev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
1284                        rdev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
1285                                le16_to_cpu(pt->usBatteryPowerLimit);
1286                        rdev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
1287                                le16_to_cpu(pt->usSmallPowerLimit);
1288                        rdev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
1289                                le16_to_cpu(pt->usLowCACLeakage);
1290                        rdev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
1291                                le16_to_cpu(pt->usHighCACLeakage);
1292                }
1293        }
1294
1295        return 0;
1296}
1297
1298void r600_free_extended_power_table(struct radeon_device *rdev)
1299{
1300        struct radeon_dpm_dynamic_state *dyn_state = &rdev->pm.dpm.dyn_state;
1301
1302        kfree(dyn_state->vddc_dependency_on_sclk.entries);
1303        kfree(dyn_state->vddci_dependency_on_mclk.entries);
1304        kfree(dyn_state->vddc_dependency_on_mclk.entries);
1305        kfree(dyn_state->mvdd_dependency_on_mclk.entries);
1306        kfree(dyn_state->cac_leakage_table.entries);
1307        kfree(dyn_state->phase_shedding_limits_table.entries);
1308        kfree(dyn_state->ppm_table);
1309        kfree(dyn_state->cac_tdp_table);
1310        kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
1311        kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
1312        kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
1313        kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
1314}
1315
1316enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
1317                                               u32 sys_mask,
1318                                               enum radeon_pcie_gen asic_gen,
1319                                               enum radeon_pcie_gen default_gen)
1320{
1321        switch (asic_gen) {
1322        case RADEON_PCIE_GEN1:
1323                return RADEON_PCIE_GEN1;
1324        case RADEON_PCIE_GEN2:
1325                return RADEON_PCIE_GEN2;
1326        case RADEON_PCIE_GEN3:
1327                return RADEON_PCIE_GEN3;
1328        default:
1329                if ((sys_mask & RADEON_PCIE_SPEED_80) && (default_gen == RADEON_PCIE_GEN3))
1330                        return RADEON_PCIE_GEN3;
1331                else if ((sys_mask & RADEON_PCIE_SPEED_50) && (default_gen == RADEON_PCIE_GEN2))
1332                        return RADEON_PCIE_GEN2;
1333                else
1334                        return RADEON_PCIE_GEN1;
1335        }
1336        return RADEON_PCIE_GEN1;
1337}
1338
1339u16 r600_get_pcie_lane_support(struct radeon_device *rdev,
1340                               u16 asic_lanes,
1341                               u16 default_lanes)
1342{
1343        switch (asic_lanes) {
1344        case 0:
1345        default:
1346                return default_lanes;
1347        case 1:
1348                return 1;
1349        case 2:
1350                return 2;
1351        case 4:
1352                return 4;
1353        case 8:
1354                return 8;
1355        case 12:
1356                return 12;
1357        case 16:
1358                return 16;
1359        }
1360}
1361
1362u8 r600_encode_pci_lane_width(u32 lanes)
1363{
1364        u8 encoded_lanes[] = { 0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6 };
1365
1366        if (lanes > 16)
1367                return 0;
1368
1369        return encoded_lanes[lanes];
1370}
1371