linux/drivers/gpu/drm/radeon/r600_dpm.c
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   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 "drmP.h"
  26#include "radeon.h"
  27#include "radeon_asic.h"
  28#include "r600d.h"
  29#include "r600_dpm.h"
  30#include "atom.h"
  31
  32const u32 r600_utc[R600_PM_NUMBER_OF_TC] =
  33{
  34        R600_UTC_DFLT_00,
  35        R600_UTC_DFLT_01,
  36        R600_UTC_DFLT_02,
  37        R600_UTC_DFLT_03,
  38        R600_UTC_DFLT_04,
  39        R600_UTC_DFLT_05,
  40        R600_UTC_DFLT_06,
  41        R600_UTC_DFLT_07,
  42        R600_UTC_DFLT_08,
  43        R600_UTC_DFLT_09,
  44        R600_UTC_DFLT_10,
  45        R600_UTC_DFLT_11,
  46        R600_UTC_DFLT_12,
  47        R600_UTC_DFLT_13,
  48        R600_UTC_DFLT_14,
  49};
  50
  51const u32 r600_dtc[R600_PM_NUMBER_OF_TC] =
  52{
  53        R600_DTC_DFLT_00,
  54        R600_DTC_DFLT_01,
  55        R600_DTC_DFLT_02,
  56        R600_DTC_DFLT_03,
  57        R600_DTC_DFLT_04,
  58        R600_DTC_DFLT_05,
  59        R600_DTC_DFLT_06,
  60        R600_DTC_DFLT_07,
  61        R600_DTC_DFLT_08,
  62        R600_DTC_DFLT_09,
  63        R600_DTC_DFLT_10,
  64        R600_DTC_DFLT_11,
  65        R600_DTC_DFLT_12,
  66        R600_DTC_DFLT_13,
  67        R600_DTC_DFLT_14,
  68};
  69
  70void r600_dpm_print_class_info(u32 class, u32 class2)
  71{
  72        printk("\tui class: ");
  73        switch (class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
  74        case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
  75        default:
  76                printk("none\n");
  77                break;
  78        case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
  79                printk("battery\n");
  80                break;
  81        case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
  82                printk("balanced\n");
  83                break;
  84        case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
  85                printk("performance\n");
  86                break;
  87        }
  88        printk("\tinternal class: ");
  89        if (((class & ~ATOM_PPLIB_CLASSIFICATION_UI_MASK) == 0) &&
  90            (class2 == 0))
  91                printk("none");
  92        else {
  93                if (class & ATOM_PPLIB_CLASSIFICATION_BOOT)
  94                        printk("boot ");
  95                if (class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
  96                        printk("thermal ");
  97                if (class & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
  98                        printk("limited_pwr ");
  99                if (class & ATOM_PPLIB_CLASSIFICATION_REST)
 100                        printk("rest ");
 101                if (class & ATOM_PPLIB_CLASSIFICATION_FORCED)
 102                        printk("forced ");
 103                if (class & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
 104                        printk("3d_perf ");
 105                if (class & ATOM_PPLIB_CLASSIFICATION_OVERDRIVETEMPLATE)
 106                        printk("ovrdrv ");
 107                if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
 108                        printk("uvd ");
 109                if (class & ATOM_PPLIB_CLASSIFICATION_3DLOW)
 110                        printk("3d_low ");
 111                if (class & ATOM_PPLIB_CLASSIFICATION_ACPI)
 112                        printk("acpi ");
 113                if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
 114                        printk("uvd_hd2 ");
 115                if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
 116                        printk("uvd_hd ");
 117                if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
 118                        printk("uvd_sd ");
 119                if (class2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
 120                        printk("limited_pwr2 ");
 121                if (class2 & ATOM_PPLIB_CLASSIFICATION2_ULV)
 122                        printk("ulv ");
 123                if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
 124                        printk("uvd_mvc ");
 125        }
 126        printk("\n");
 127}
 128
 129void r600_dpm_print_cap_info(u32 caps)
 130{
 131        printk("\tcaps: ");
 132        if (caps & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
 133                printk("single_disp ");
 134        if (caps & ATOM_PPLIB_SUPPORTS_VIDEO_PLAYBACK)
 135                printk("video ");
 136        if (caps & ATOM_PPLIB_DISALLOW_ON_DC)
 137                printk("no_dc ");
 138        printk("\n");
 139}
 140
 141void r600_dpm_print_ps_status(struct radeon_device *rdev,
 142                              struct radeon_ps *rps)
 143{
 144        printk("\tstatus: ");
 145        if (rps == rdev->pm.dpm.current_ps)
 146                printk("c ");
 147        if (rps == rdev->pm.dpm.requested_ps)
 148                printk("r ");
 149        if (rps == rdev->pm.dpm.boot_ps)
 150                printk("b ");
 151        printk("\n");
 152}
 153
 154u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
 155{
 156        struct drm_device *dev = rdev->ddev;
 157        struct drm_crtc *crtc;
 158        struct radeon_crtc *radeon_crtc;
 159        u32 line_time_us, vblank_lines;
 160        u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
 161
 162        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
 163                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 164                        radeon_crtc = to_radeon_crtc(crtc);
 165                        if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
 166                                line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
 167                                        radeon_crtc->hw_mode.clock;
 168                                vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
 169                                        radeon_crtc->hw_mode.crtc_vdisplay +
 170                                        (radeon_crtc->v_border * 2);
 171                                vblank_time_us = vblank_lines * line_time_us;
 172                                break;
 173                        }
 174                }
 175        }
 176
 177        return vblank_time_us;
 178}
 179
 180u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
 181{
 182        struct drm_device *dev = rdev->ddev;
 183        struct drm_crtc *crtc;
 184        struct radeon_crtc *radeon_crtc;
 185        u32 vrefresh = 0;
 186
 187        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
 188                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 189                        radeon_crtc = to_radeon_crtc(crtc);
 190                        if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
 191                                vrefresh = drm_mode_vrefresh(&radeon_crtc->hw_mode);
 192                                break;
 193                        }
 194                }
 195        }
 196        return vrefresh;
 197}
 198
 199void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
 200                            u32 *p, u32 *u)
 201{
 202        u32 b_c = 0;
 203        u32 i_c;
 204        u32 tmp;
 205
 206        i_c = (i * r_c) / 100;
 207        tmp = i_c >> p_b;
 208
 209        while (tmp) {
 210                b_c++;
 211                tmp >>= 1;
 212        }
 213
 214        *u = (b_c + 1) / 2;
 215        *p = i_c / (1 << (2 * (*u)));
 216}
 217
 218int r600_calculate_at(u32 t, u32 h, u32 fh, u32 fl, u32 *tl, u32 *th)
 219{
 220        u32 k, a, ah, al;
 221        u32 t1;
 222
 223        if ((fl == 0) || (fh == 0) || (fl > fh))
 224                return -EINVAL;
 225
 226        k = (100 * fh) / fl;
 227        t1 = (t * (k - 100));
 228        a = (1000 * (100 * h + t1)) / (10000 + (t1 / 100));
 229        a = (a + 5) / 10;
 230        ah = ((a * t) + 5000) / 10000;
 231        al = a - ah;
 232
 233        *th = t - ah;
 234        *tl = t + al;
 235
 236        return 0;
 237}
 238
 239void r600_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
 240{
 241        int i;
 242
 243        if (enable) {
 244                WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
 245        } else {
 246                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
 247
 248                WREG32(CG_RLC_REQ_AND_RSP, 0x2);
 249
 250                for (i = 0; i < rdev->usec_timeout; i++) {
 251                        if (((RREG32(CG_RLC_REQ_AND_RSP) & CG_RLC_RSP_TYPE_MASK) >> CG_RLC_RSP_TYPE_SHIFT) == 1)
 252                                break;
 253                        udelay(1);
 254                }
 255
 256                WREG32(CG_RLC_REQ_AND_RSP, 0x0);
 257
 258                WREG32(GRBM_PWR_CNTL, 0x1);
 259                RREG32(GRBM_PWR_CNTL);
 260        }
 261}
 262
 263void r600_dynamicpm_enable(struct radeon_device *rdev, bool enable)
 264{
 265        if (enable)
 266                WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
 267        else
 268                WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN);
 269}
 270
 271void r600_enable_thermal_protection(struct radeon_device *rdev, bool enable)
 272{
 273        if (enable)
 274                WREG32_P(GENERAL_PWRMGT, 0, ~THERMAL_PROTECTION_DIS);
 275        else
 276                WREG32_P(GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, ~THERMAL_PROTECTION_DIS);
 277}
 278
 279void r600_enable_acpi_pm(struct radeon_device *rdev)
 280{
 281        WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
 282}
 283
 284void r600_enable_dynamic_pcie_gen2(struct radeon_device *rdev, bool enable)
 285{
 286        if (enable)
 287                WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
 288        else
 289                WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
 290}
 291
 292bool r600_dynamicpm_enabled(struct radeon_device *rdev)
 293{
 294        if (RREG32(GENERAL_PWRMGT) & GLOBAL_PWRMGT_EN)
 295                return true;
 296        else
 297                return false;
 298}
 299
 300void r600_enable_sclk_control(struct radeon_device *rdev, bool enable)
 301{
 302        if (enable)
 303                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~SCLK_PWRMGT_OFF);
 304        else
 305                WREG32_P(SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, ~SCLK_PWRMGT_OFF);
 306}
 307
 308void r600_enable_mclk_control(struct radeon_device *rdev, bool enable)
 309{
 310        if (enable)
 311                WREG32_P(MCLK_PWRMGT_CNTL, 0, ~MPLL_PWRMGT_OFF);
 312        else
 313                WREG32_P(MCLK_PWRMGT_CNTL, MPLL_PWRMGT_OFF, ~MPLL_PWRMGT_OFF);
 314}
 315
 316void r600_enable_spll_bypass(struct radeon_device *rdev, bool enable)
 317{
 318        if (enable)
 319                WREG32_P(CG_SPLL_FUNC_CNTL, SPLL_BYPASS_EN, ~SPLL_BYPASS_EN);
 320        else
 321                WREG32_P(CG_SPLL_FUNC_CNTL, 0, ~SPLL_BYPASS_EN);
 322}
 323
 324void r600_wait_for_spll_change(struct radeon_device *rdev)
 325{
 326        int i;
 327
 328        for (i = 0; i < rdev->usec_timeout; i++) {
 329                if (RREG32(CG_SPLL_FUNC_CNTL) & SPLL_CHG_STATUS)
 330                        break;
 331                udelay(1);
 332        }
 333}
 334
 335void r600_set_bsp(struct radeon_device *rdev, u32 u, u32 p)
 336{
 337        WREG32(CG_BSP, BSP(p) | BSU(u));
 338}
 339
 340void r600_set_at(struct radeon_device *rdev,
 341                 u32 l_to_m, u32 m_to_h,
 342                 u32 h_to_m, u32 m_to_l)
 343{
 344        WREG32(CG_RT, FLS(l_to_m) | FMS(m_to_h));
 345        WREG32(CG_LT, FHS(h_to_m) | FMS(m_to_l));
 346}
 347
 348void r600_set_tc(struct radeon_device *rdev,
 349                 u32 index, u32 u_t, u32 d_t)
 350{
 351        WREG32(CG_FFCT_0 + (index * 4), UTC_0(u_t) | DTC_0(d_t));
 352}
 353
 354void r600_select_td(struct radeon_device *rdev,
 355                    enum r600_td td)
 356{
 357        if (td == R600_TD_AUTO)
 358                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
 359        else
 360                WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
 361        if (td == R600_TD_UP)
 362                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
 363        if (td == R600_TD_DOWN)
 364                WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
 365}
 366
 367void r600_set_vrc(struct radeon_device *rdev, u32 vrv)
 368{
 369        WREG32(CG_FTV, vrv);
 370}
 371
 372void r600_set_tpu(struct radeon_device *rdev, u32 u)
 373{
 374        WREG32_P(CG_TPC, TPU(u), ~TPU_MASK);
 375}
 376
 377void r600_set_tpc(struct radeon_device *rdev, u32 c)
 378{
 379        WREG32_P(CG_TPC, TPCC(c), ~TPCC_MASK);
 380}
 381
 382void r600_set_sstu(struct radeon_device *rdev, u32 u)
 383{
 384        WREG32_P(CG_SSP, CG_SSTU(u), ~CG_SSTU_MASK);
 385}
 386
 387void r600_set_sst(struct radeon_device *rdev, u32 t)
 388{
 389        WREG32_P(CG_SSP, CG_SST(t), ~CG_SST_MASK);
 390}
 391
 392void r600_set_git(struct radeon_device *rdev, u32 t)
 393{
 394        WREG32_P(CG_GIT, CG_GICST(t), ~CG_GICST_MASK);
 395}
 396
 397void r600_set_fctu(struct radeon_device *rdev, u32 u)
 398{
 399        WREG32_P(CG_FC_T, FC_TU(u), ~FC_TU_MASK);
 400}
 401
 402void r600_set_fct(struct radeon_device *rdev, u32 t)
 403{
 404        WREG32_P(CG_FC_T, FC_T(t), ~FC_T_MASK);
 405}
 406
 407void r600_set_ctxcgtt3d_rphc(struct radeon_device *rdev, u32 p)
 408{
 409        WREG32_P(CG_CTX_CGTT3D_R, PHC(p), ~PHC_MASK);
 410}
 411
 412void r600_set_ctxcgtt3d_rsdc(struct radeon_device *rdev, u32 s)
 413{
 414        WREG32_P(CG_CTX_CGTT3D_R, SDC(s), ~SDC_MASK);
 415}
 416
 417void r600_set_vddc3d_oorsu(struct radeon_device *rdev, u32 u)
 418{
 419        WREG32_P(CG_VDDC3D_OOR, SU(u), ~SU_MASK);
 420}
 421
 422void r600_set_vddc3d_oorphc(struct radeon_device *rdev, u32 p)
 423{
 424        WREG32_P(CG_VDDC3D_OOR, PHC(p), ~PHC_MASK);
 425}
 426
 427void r600_set_vddc3d_oorsdc(struct radeon_device *rdev, u32 s)
 428{
 429        WREG32_P(CG_VDDC3D_OOR, SDC(s), ~SDC_MASK);
 430}
 431
 432void r600_set_mpll_lock_time(struct radeon_device *rdev, u32 lock_time)
 433{
 434        WREG32_P(MPLL_TIME, MPLL_LOCK_TIME(lock_time), ~MPLL_LOCK_TIME_MASK);
 435}
 436
 437void r600_set_mpll_reset_time(struct radeon_device *rdev, u32 reset_time)
 438{
 439        WREG32_P(MPLL_TIME, MPLL_RESET_TIME(reset_time), ~MPLL_RESET_TIME_MASK);
 440}
 441
 442void r600_engine_clock_entry_enable(struct radeon_device *rdev,
 443                                    u32 index, bool enable)
 444{
 445        if (enable)
 446                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 447                         STEP_0_SPLL_ENTRY_VALID, ~STEP_0_SPLL_ENTRY_VALID);
 448        else
 449                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 450                         0, ~STEP_0_SPLL_ENTRY_VALID);
 451}
 452
 453void r600_engine_clock_entry_enable_pulse_skipping(struct radeon_device *rdev,
 454                                                   u32 index, bool enable)
 455{
 456        if (enable)
 457                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 458                         STEP_0_SPLL_STEP_ENABLE, ~STEP_0_SPLL_STEP_ENABLE);
 459        else
 460                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 461                         0, ~STEP_0_SPLL_STEP_ENABLE);
 462}
 463
 464void r600_engine_clock_entry_enable_post_divider(struct radeon_device *rdev,
 465                                                 u32 index, bool enable)
 466{
 467        if (enable)
 468                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 469                         STEP_0_POST_DIV_EN, ~STEP_0_POST_DIV_EN);
 470        else
 471                WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART2 + (index * 4 * 2),
 472                         0, ~STEP_0_POST_DIV_EN);
 473}
 474
 475void r600_engine_clock_entry_set_post_divider(struct radeon_device *rdev,
 476                                              u32 index, u32 divider)
 477{
 478        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 479                 STEP_0_SPLL_POST_DIV(divider), ~STEP_0_SPLL_POST_DIV_MASK);
 480}
 481
 482void r600_engine_clock_entry_set_reference_divider(struct radeon_device *rdev,
 483                                                   u32 index, u32 divider)
 484{
 485        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 486                 STEP_0_SPLL_REF_DIV(divider), ~STEP_0_SPLL_REF_DIV_MASK);
 487}
 488
 489void r600_engine_clock_entry_set_feedback_divider(struct radeon_device *rdev,
 490                                                  u32 index, u32 divider)
 491{
 492        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 493                 STEP_0_SPLL_FB_DIV(divider), ~STEP_0_SPLL_FB_DIV_MASK);
 494}
 495
 496void r600_engine_clock_entry_set_step_time(struct radeon_device *rdev,
 497                                           u32 index, u32 step_time)
 498{
 499        WREG32_P(SCLK_FREQ_SETTING_STEP_0_PART1 + (index * 4 * 2),
 500                 STEP_0_SPLL_STEP_TIME(step_time), ~STEP_0_SPLL_STEP_TIME_MASK);
 501}
 502
 503void r600_vid_rt_set_ssu(struct radeon_device *rdev, u32 u)
 504{
 505        WREG32_P(VID_RT, SSTU(u), ~SSTU_MASK);
 506}
 507
 508void r600_vid_rt_set_vru(struct radeon_device *rdev, u32 u)
 509{
 510        WREG32_P(VID_RT, VID_CRTU(u), ~VID_CRTU_MASK);
 511}
 512
 513void r600_vid_rt_set_vrt(struct radeon_device *rdev, u32 rt)
 514{
 515        WREG32_P(VID_RT, VID_CRT(rt), ~VID_CRT_MASK);
 516}
 517
 518void r600_voltage_control_enable_pins(struct radeon_device *rdev,
 519                                      u64 mask)
 520{
 521        WREG32(LOWER_GPIO_ENABLE, mask & 0xffffffff);
 522        WREG32(UPPER_GPIO_ENABLE, upper_32_bits(mask));
 523}
 524
 525
 526void r600_voltage_control_program_voltages(struct radeon_device *rdev,
 527                                           enum r600_power_level index, u64 pins)
 528{
 529        u32 tmp, mask;
 530        u32 ix = 3 - (3 & index);
 531
 532        WREG32(CTXSW_VID_LOWER_GPIO_CNTL + (ix * 4), pins & 0xffffffff);
 533
 534        mask = 7 << (3 * ix);
 535        tmp = RREG32(VID_UPPER_GPIO_CNTL);
 536        tmp = (tmp & ~mask) | ((pins >> (32 - (3 * ix))) & mask);
 537        WREG32(VID_UPPER_GPIO_CNTL, tmp);
 538}
 539
 540void r600_voltage_control_deactivate_static_control(struct radeon_device *rdev,
 541                                                    u64 mask)
 542{
 543        u32 gpio;
 544
 545        gpio = RREG32(GPIOPAD_MASK);
 546        gpio &= ~mask;
 547        WREG32(GPIOPAD_MASK, gpio);
 548
 549        gpio = RREG32(GPIOPAD_EN);
 550        gpio &= ~mask;
 551        WREG32(GPIOPAD_EN, gpio);
 552
 553        gpio = RREG32(GPIOPAD_A);
 554        gpio &= ~mask;
 555        WREG32(GPIOPAD_A, gpio);
 556}
 557
 558void r600_power_level_enable(struct radeon_device *rdev,
 559                             enum r600_power_level index, bool enable)
 560{
 561        u32 ix = 3 - (3 & index);
 562
 563        if (enable)
 564                WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), CTXSW_FREQ_STATE_ENABLE,
 565                         ~CTXSW_FREQ_STATE_ENABLE);
 566        else
 567                WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), 0,
 568                         ~CTXSW_FREQ_STATE_ENABLE);
 569}
 570
 571void r600_power_level_set_voltage_index(struct radeon_device *rdev,
 572                                        enum r600_power_level index, u32 voltage_index)
 573{
 574        u32 ix = 3 - (3 & index);
 575
 576        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
 577                 CTXSW_FREQ_VIDS_CFG_INDEX(voltage_index), ~CTXSW_FREQ_VIDS_CFG_INDEX_MASK);
 578}
 579
 580void r600_power_level_set_mem_clock_index(struct radeon_device *rdev,
 581                                          enum r600_power_level index, u32 mem_clock_index)
 582{
 583        u32 ix = 3 - (3 & index);
 584
 585        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
 586                 CTXSW_FREQ_MCLK_CFG_INDEX(mem_clock_index), ~CTXSW_FREQ_MCLK_CFG_INDEX_MASK);
 587}
 588
 589void r600_power_level_set_eng_clock_index(struct radeon_device *rdev,
 590                                          enum r600_power_level index, u32 eng_clock_index)
 591{
 592        u32 ix = 3 - (3 & index);
 593
 594        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4),
 595                 CTXSW_FREQ_SCLK_CFG_INDEX(eng_clock_index), ~CTXSW_FREQ_SCLK_CFG_INDEX_MASK);
 596}
 597
 598void r600_power_level_set_watermark_id(struct radeon_device *rdev,
 599                                       enum r600_power_level index,
 600                                       enum r600_display_watermark watermark_id)
 601{
 602        u32 ix = 3 - (3 & index);
 603        u32 tmp = 0;
 604
 605        if (watermark_id == R600_DISPLAY_WATERMARK_HIGH)
 606                tmp = CTXSW_FREQ_DISPLAY_WATERMARK;
 607        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_DISPLAY_WATERMARK);
 608}
 609
 610void r600_power_level_set_pcie_gen2(struct radeon_device *rdev,
 611                                    enum r600_power_level index, bool compatible)
 612{
 613        u32 ix = 3 - (3 & index);
 614        u32 tmp = 0;
 615
 616        if (compatible)
 617                tmp = CTXSW_FREQ_GEN2PCIE_VOLT;
 618        WREG32_P(CTXSW_PROFILE_INDEX + (ix * 4), tmp, ~CTXSW_FREQ_GEN2PCIE_VOLT);
 619}
 620
 621enum r600_power_level r600_power_level_get_current_index(struct radeon_device *rdev)
 622{
 623        u32 tmp;
 624
 625        tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK;
 626        tmp >>= CURRENT_PROFILE_INDEX_SHIFT;
 627        return tmp;
 628}
 629
 630enum r600_power_level r600_power_level_get_target_index(struct radeon_device *rdev)
 631{
 632        u32 tmp;
 633
 634        tmp = RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_PROFILE_INDEX_MASK;
 635        tmp >>= TARGET_PROFILE_INDEX_SHIFT;
 636        return tmp;
 637}
 638
 639void r600_power_level_set_enter_index(struct radeon_device *rdev,
 640                                      enum r600_power_level index)
 641{
 642        WREG32_P(TARGET_AND_CURRENT_PROFILE_INDEX, DYN_PWR_ENTER_INDEX(index),
 643                 ~DYN_PWR_ENTER_INDEX_MASK);
 644}
 645
 646void r600_wait_for_power_level_unequal(struct radeon_device *rdev,
 647                                       enum r600_power_level index)
 648{
 649        int i;
 650
 651        for (i = 0; i < rdev->usec_timeout; i++) {
 652                if (r600_power_level_get_target_index(rdev) != index)
 653                        break;
 654                udelay(1);
 655        }
 656
 657        for (i = 0; i < rdev->usec_timeout; i++) {
 658                if (r600_power_level_get_current_index(rdev) != index)
 659                        break;
 660                udelay(1);
 661        }
 662}
 663
 664void r600_wait_for_power_level(struct radeon_device *rdev,
 665                               enum r600_power_level index)
 666{
 667        int i;
 668
 669        for (i = 0; i < rdev->usec_timeout; i++) {
 670                if (r600_power_level_get_target_index(rdev) == index)
 671                        break;
 672                udelay(1);
 673        }
 674
 675        for (i = 0; i < rdev->usec_timeout; i++) {
 676                if (r600_power_level_get_current_index(rdev) == index)
 677                        break;
 678                udelay(1);
 679        }
 680}
 681
 682void r600_start_dpm(struct radeon_device *rdev)
 683{
 684        r600_enable_sclk_control(rdev, false);
 685        r600_enable_mclk_control(rdev, false);
 686
 687        r600_dynamicpm_enable(rdev, true);
 688
 689        radeon_wait_for_vblank(rdev, 0);
 690        radeon_wait_for_vblank(rdev, 1);
 691
 692        r600_enable_spll_bypass(rdev, true);
 693        r600_wait_for_spll_change(rdev);
 694        r600_enable_spll_bypass(rdev, false);
 695        r600_wait_for_spll_change(rdev);
 696
 697        r600_enable_spll_bypass(rdev, true);
 698        r600_wait_for_spll_change(rdev);
 699        r600_enable_spll_bypass(rdev, false);
 700        r600_wait_for_spll_change(rdev);
 701
 702        r600_enable_sclk_control(rdev, true);
 703        r600_enable_mclk_control(rdev, true);
 704}
 705
 706void r600_stop_dpm(struct radeon_device *rdev)
 707{
 708        r600_dynamicpm_enable(rdev, false);
 709}
 710
 711int r600_dpm_pre_set_power_state(struct radeon_device *rdev)
 712{
 713        return 0;
 714}
 715
 716void r600_dpm_post_set_power_state(struct radeon_device *rdev)
 717{
 718
 719}
 720
 721bool r600_is_uvd_state(u32 class, u32 class2)
 722{
 723        if (class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
 724                return true;
 725        if (class & ATOM_PPLIB_CLASSIFICATION_HD2STATE)
 726                return true;
 727        if (class & ATOM_PPLIB_CLASSIFICATION_HDSTATE)
 728                return true;
 729        if (class & ATOM_PPLIB_CLASSIFICATION_SDSTATE)
 730                return true;
 731        if (class2 & ATOM_PPLIB_CLASSIFICATION2_MVC)
 732                return true;
 733        return false;
 734}
 735
 736static int r600_set_thermal_temperature_range(struct radeon_device *rdev,
 737                                              int min_temp, int max_temp)
 738{
 739        int low_temp = 0 * 1000;
 740        int high_temp = 255 * 1000;
 741
 742        if (low_temp < min_temp)
 743                low_temp = min_temp;
 744        if (high_temp > max_temp)
 745                high_temp = max_temp;
 746        if (high_temp < low_temp) {
 747                DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
 748                return -EINVAL;
 749        }
 750
 751        WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(high_temp / 1000), ~DIG_THERM_INTH_MASK);
 752        WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(low_temp / 1000), ~DIG_THERM_INTL_MASK);
 753        WREG32_P(CG_THERMAL_CTRL, DIG_THERM_DPM(high_temp / 1000), ~DIG_THERM_DPM_MASK);
 754
 755        rdev->pm.dpm.thermal.min_temp = low_temp;
 756        rdev->pm.dpm.thermal.max_temp = high_temp;
 757
 758        return 0;
 759}
 760
 761bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
 762{
 763        switch (sensor) {
 764        case THERMAL_TYPE_RV6XX:
 765        case THERMAL_TYPE_RV770:
 766        case THERMAL_TYPE_EVERGREEN:
 767        case THERMAL_TYPE_SUMO:
 768        case THERMAL_TYPE_NI:
 769        case THERMAL_TYPE_SI:
 770        case THERMAL_TYPE_CI:
 771        case THERMAL_TYPE_KV:
 772                return true;
 773        case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
 774        case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
 775                return false; /* need special handling */
 776        case THERMAL_TYPE_NONE:
 777        case THERMAL_TYPE_EXTERNAL:
 778        case THERMAL_TYPE_EXTERNAL_GPIO:
 779        default:
 780                return false;
 781        }
 782}
 783
 784int r600_dpm_late_enable(struct radeon_device *rdev)
 785{
 786        int ret;
 787
 788        if (rdev->irq.installed &&
 789            r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
 790                ret = r600_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
 791                if (ret)
 792                        return ret;
 793                rdev->irq.dpm_thermal = true;
 794                radeon_irq_set(rdev);
 795        }
 796
 797        return 0;
 798}
 799
 800union power_info {
 801        struct _ATOM_POWERPLAY_INFO info;
 802        struct _ATOM_POWERPLAY_INFO_V2 info_2;
 803        struct _ATOM_POWERPLAY_INFO_V3 info_3;
 804        struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
 805        struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
 806        struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
 807        struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
 808        struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
 809};
 810
 811union fan_info {
 812        struct _ATOM_PPLIB_FANTABLE fan;
 813        struct _ATOM_PPLIB_FANTABLE2 fan2;
 814        struct _ATOM_PPLIB_FANTABLE3 fan3;
 815};
 816
 817static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table *radeon_table,
 818                                            ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
 819{
 820        u32 size = atom_table->ucNumEntries *
 821                sizeof(struct radeon_clock_voltage_dependency_entry);
 822        int i;
 823        ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
 824
 825        radeon_table->entries = kzalloc(size, GFP_KERNEL);
 826        if (!radeon_table->entries)
 827                return -ENOMEM;
 828
 829        entry = &atom_table->entries[0];
 830        for (i = 0; i < atom_table->ucNumEntries; i++) {
 831                radeon_table->entries[i].clk = le16_to_cpu(entry->usClockLow) |
 832                        (entry->ucClockHigh << 16);
 833                radeon_table->entries[i].v = le16_to_cpu(entry->usVoltage);
 834                entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
 835                        ((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
 836        }
 837        radeon_table->count = atom_table->ucNumEntries;
 838
 839        return 0;
 840}
 841
 842int r600_get_platform_caps(struct radeon_device *rdev)
 843{
 844        struct radeon_mode_info *mode_info = &rdev->mode_info;
 845        union power_info *power_info;
 846        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
 847        u16 data_offset;
 848        u8 frev, crev;
 849
 850        if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
 851                                   &frev, &crev, &data_offset))
 852                return -EINVAL;
 853        power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
 854
 855        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
 856        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
 857        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
 858
 859        return 0;
 860}
 861
 862/* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
 863#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
 864#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
 865#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
 866#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
 867#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
 868#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
 869
 870int r600_parse_extended_power_table(struct radeon_device *rdev)
 871{
 872        struct radeon_mode_info *mode_info = &rdev->mode_info;
 873        union power_info *power_info;
 874        union fan_info *fan_info;
 875        ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
 876        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
 877        u16 data_offset;
 878        u8 frev, crev;
 879        int ret, i;
 880
 881        if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
 882                                   &frev, &crev, &data_offset))
 883                return -EINVAL;
 884        power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
 885
 886        /* fan table */
 887        if (le16_to_cpu(power_info->pplib.usTableSize) >=
 888            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
 889                if (power_info->pplib3.usFanTableOffset) {
 890                        fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
 891                                                      le16_to_cpu(power_info->pplib3.usFanTableOffset));
 892                        rdev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
 893                        rdev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
 894                        rdev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
 895                        rdev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
 896                        rdev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
 897                        rdev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
 898                        rdev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
 899                        if (fan_info->fan.ucFanTableFormat >= 2)
 900                                rdev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
 901                        else
 902                                rdev->pm.dpm.fan.t_max = 10900;
 903                        rdev->pm.dpm.fan.cycle_delay = 100000;
 904                        if (fan_info->fan.ucFanTableFormat >= 3) {
 905                                rdev->pm.dpm.fan.control_mode = fan_info->fan3.ucFanControlMode;
 906                                rdev->pm.dpm.fan.default_max_fan_pwm =
 907                                        le16_to_cpu(fan_info->fan3.usFanPWMMax);
 908                                rdev->pm.dpm.fan.default_fan_output_sensitivity = 4836;
 909                                rdev->pm.dpm.fan.fan_output_sensitivity =
 910                                        le16_to_cpu(fan_info->fan3.usFanOutputSensitivity);
 911                        }
 912                        rdev->pm.dpm.fan.ucode_fan_control = true;
 913                }
 914        }
 915
 916        /* clock dependancy tables, shedding tables */
 917        if (le16_to_cpu(power_info->pplib.usTableSize) >=
 918            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
 919                if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
 920                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 921                                (mode_info->atom_context->bios + data_offset +
 922                                 le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
 923                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
 924                                                               dep_table);
 925                        if (ret)
 926                                return ret;
 927                }
 928                if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
 929                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 930                                (mode_info->atom_context->bios + data_offset +
 931                                 le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
 932                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
 933                                                               dep_table);
 934                        if (ret) {
 935                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
 936                                return ret;
 937                        }
 938                }
 939                if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
 940                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 941                                (mode_info->atom_context->bios + data_offset +
 942                                 le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
 943                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
 944                                                               dep_table);
 945                        if (ret) {
 946                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
 947                                kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
 948                                return ret;
 949                        }
 950                }
 951                if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
 952                        dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
 953                                (mode_info->atom_context->bios + data_offset +
 954                                 le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
 955                        ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk,
 956                                                               dep_table);
 957                        if (ret) {
 958                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
 959                                kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
 960                                kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
 961                                return ret;
 962                        }
 963                }
 964                if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
 965                        ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
 966                                (ATOM_PPLIB_Clock_Voltage_Limit_Table *)
 967                                (mode_info->atom_context->bios + data_offset +
 968                                 le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
 969                        if (clk_v->ucNumEntries) {
 970                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
 971                                        le16_to_cpu(clk_v->entries[0].usSclkLow) |
 972                                        (clk_v->entries[0].ucSclkHigh << 16);
 973                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
 974                                        le16_to_cpu(clk_v->entries[0].usMclkLow) |
 975                                        (clk_v->entries[0].ucMclkHigh << 16);
 976                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
 977                                        le16_to_cpu(clk_v->entries[0].usVddc);
 978                                rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
 979                                        le16_to_cpu(clk_v->entries[0].usVddci);
 980                        }
 981                }
 982                if (power_info->pplib4.usVddcPhaseShedLimitsTableOffset) {
 983                        ATOM_PPLIB_PhaseSheddingLimits_Table *psl =
 984                                (ATOM_PPLIB_PhaseSheddingLimits_Table *)
 985                                (mode_info->atom_context->bios + data_offset +
 986                                 le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
 987                        ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
 988
 989                        rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
 990                                kzalloc(psl->ucNumEntries *
 991                                        sizeof(struct radeon_phase_shedding_limits_entry),
 992                                        GFP_KERNEL);
 993                        if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
 994                                r600_free_extended_power_table(rdev);
 995                                return -ENOMEM;
 996                        }
 997
 998                        entry = &psl->entries[0];
 999                        for (i = 0; i < psl->ucNumEntries; i++) {
1000                                rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
1001                                        le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
1002                                rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
1003                                        le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
1004                                rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
1005                                        le16_to_cpu(entry->usVoltage);
1006                                entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
1007                                        ((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
1008                        }
1009                        rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
1010                                psl->ucNumEntries;
1011                }
1012        }
1013
1014        /* cac data */
1015        if (le16_to_cpu(power_info->pplib.usTableSize) >=
1016            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
1017                rdev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
1018                rdev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
1019                rdev->pm.dpm.near_tdp_limit_adjusted = rdev->pm.dpm.near_tdp_limit;
1020                rdev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
1021                if (rdev->pm.dpm.tdp_od_limit)
1022                        rdev->pm.dpm.power_control = true;
1023                else
1024                        rdev->pm.dpm.power_control = false;
1025                rdev->pm.dpm.tdp_adjustment = 0;
1026                rdev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
1027                rdev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
1028                rdev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
1029                if (power_info->pplib5.usCACLeakageTableOffset) {
1030                        ATOM_PPLIB_CAC_Leakage_Table *cac_table =
1031                                (ATOM_PPLIB_CAC_Leakage_Table *)
1032                                (mode_info->atom_context->bios + data_offset +
1033                                 le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
1034                        ATOM_PPLIB_CAC_Leakage_Record *entry;
1035                        u32 size = cac_table->ucNumEntries * sizeof(struct radeon_cac_leakage_table);
1036                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
1037                        if (!rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
1038                                r600_free_extended_power_table(rdev);
1039                                return -ENOMEM;
1040                        }
1041                        entry = &cac_table->entries[0];
1042                        for (i = 0; i < cac_table->ucNumEntries; i++) {
1043                                if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
1044                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
1045                                                le16_to_cpu(entry->usVddc1);
1046                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
1047                                                le16_to_cpu(entry->usVddc2);
1048                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
1049                                                le16_to_cpu(entry->usVddc3);
1050                                } else {
1051                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
1052                                                le16_to_cpu(entry->usVddc);
1053                                        rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
1054                                                le32_to_cpu(entry->ulLeakageValue);
1055                                }
1056                                entry = (ATOM_PPLIB_CAC_Leakage_Record *)
1057                                        ((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
1058                        }
1059                        rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
1060                }
1061        }
1062
1063        /* ext tables */
1064        if (le16_to_cpu(power_info->pplib.usTableSize) >=
1065            sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
1066                ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
1067                        (mode_info->atom_context->bios + data_offset +
1068                         le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
1069                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
1070                        ext_hdr->usVCETableOffset) {
1071                        VCEClockInfoArray *array = (VCEClockInfoArray *)
1072                                (mode_info->atom_context->bios + data_offset +
1073                                 le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
1074                        ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
1075                                (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
1076                                (mode_info->atom_context->bios + data_offset +
1077                                 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1078                                 1 + array->ucNumEntries * sizeof(VCEClockInfo));
1079                        ATOM_PPLIB_VCE_State_Table *states =
1080                                (ATOM_PPLIB_VCE_State_Table *)
1081                                (mode_info->atom_context->bios + data_offset +
1082                                 le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
1083                                 1 + (array->ucNumEntries * sizeof (VCEClockInfo)) +
1084                                 1 + (limits->numEntries * sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record)));
1085                        ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
1086                        ATOM_PPLIB_VCE_State_Record *state_entry;
1087                        VCEClockInfo *vce_clk;
1088                        u32 size = limits->numEntries *
1089                                sizeof(struct radeon_vce_clock_voltage_dependency_entry);
1090                        rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
1091                                kzalloc(size, GFP_KERNEL);
1092                        if (!rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
1093                                r600_free_extended_power_table(rdev);
1094                                return -ENOMEM;
1095                        }
1096                        rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
1097                                limits->numEntries;
1098                        entry = &limits->entries[0];
1099                        state_entry = &states->entries[0];
1100                        for (i = 0; i < limits->numEntries; i++) {
1101                                vce_clk = (VCEClockInfo *)
1102                                        ((u8 *)&array->entries[0] +
1103                                         (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1104                                rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
1105                                        le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1106                                rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
1107                                        le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1108                                rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
1109                                        le16_to_cpu(entry->usVoltage);
1110                                entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
1111                                        ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
1112                        }
1113                        for (i = 0; i < states->numEntries; i++) {
1114                                if (i >= RADEON_MAX_VCE_LEVELS)
1115                                        break;
1116                                vce_clk = (VCEClockInfo *)
1117                                        ((u8 *)&array->entries[0] +
1118                                         (state_entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
1119                                rdev->pm.dpm.vce_states[i].evclk =
1120                                        le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
1121                                rdev->pm.dpm.vce_states[i].ecclk =
1122                                        le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
1123                                rdev->pm.dpm.vce_states[i].clk_idx =
1124                                        state_entry->ucClockInfoIndex & 0x3f;
1125                                rdev->pm.dpm.vce_states[i].pstate =
1126                                        (state_entry->ucClockInfoIndex & 0xc0) >> 6;
1127                                state_entry = (ATOM_PPLIB_VCE_State_Record *)
1128                                        ((u8 *)state_entry + sizeof(ATOM_PPLIB_VCE_State_Record));
1129                        }
1130                }
1131                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
1132                        ext_hdr->usUVDTableOffset) {
1133                        UVDClockInfoArray *array = (UVDClockInfoArray *)
1134                                (mode_info->atom_context->bios + data_offset +
1135                                 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
1136                        ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
1137                                (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
1138                                (mode_info->atom_context->bios + data_offset +
1139                                 le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
1140                                 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
1141                        ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
1142                        u32 size = limits->numEntries *
1143                                sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
1144                        rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
1145                                kzalloc(size, GFP_KERNEL);
1146                        if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
1147                                r600_free_extended_power_table(rdev);
1148                                return -ENOMEM;
1149                        }
1150                        rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
1151                                limits->numEntries;
1152                        entry = &limits->entries[0];
1153                        for (i = 0; i < limits->numEntries; i++) {
1154                                UVDClockInfo *uvd_clk = (UVDClockInfo *)
1155                                        ((u8 *)&array->entries[0] +
1156                                         (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
1157                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
1158                                        le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
1159                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
1160                                        le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
1161                                rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
1162                                        le16_to_cpu(entry->usVoltage);
1163                                entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
1164                                        ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
1165                        }
1166                }
1167                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
1168                        ext_hdr->usSAMUTableOffset) {
1169                        ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
1170                                (ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
1171                                (mode_info->atom_context->bios + data_offset +
1172                                 le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
1173                        ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
1174                        u32 size = limits->numEntries *
1175                                sizeof(struct radeon_clock_voltage_dependency_entry);
1176                        rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
1177                                kzalloc(size, GFP_KERNEL);
1178                        if (!rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
1179                                r600_free_extended_power_table(rdev);
1180                                return -ENOMEM;
1181                        }
1182                        rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
1183                                limits->numEntries;
1184                        entry = &limits->entries[0];
1185                        for (i = 0; i < limits->numEntries; i++) {
1186                                rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
1187                                        le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
1188                                rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
1189                                        le16_to_cpu(entry->usVoltage);
1190                                entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
1191                                        ((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
1192                        }
1193                }
1194                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
1195                    ext_hdr->usPPMTableOffset) {
1196                        ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
1197                                (mode_info->atom_context->bios + data_offset +
1198                                 le16_to_cpu(ext_hdr->usPPMTableOffset));
1199                        rdev->pm.dpm.dyn_state.ppm_table =
1200                                kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
1201                        if (!rdev->pm.dpm.dyn_state.ppm_table) {
1202                                r600_free_extended_power_table(rdev);
1203                                return -ENOMEM;
1204                        }
1205                        rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
1206                        rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
1207                                le16_to_cpu(ppm->usCpuCoreNumber);
1208                        rdev->pm.dpm.dyn_state.ppm_table->platform_tdp =
1209                                le32_to_cpu(ppm->ulPlatformTDP);
1210                        rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
1211                                le32_to_cpu(ppm->ulSmallACPlatformTDP);
1212                        rdev->pm.dpm.dyn_state.ppm_table->platform_tdc =
1213                                le32_to_cpu(ppm->ulPlatformTDC);
1214                        rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
1215                                le32_to_cpu(ppm->ulSmallACPlatformTDC);
1216                        rdev->pm.dpm.dyn_state.ppm_table->apu_tdp =
1217                                le32_to_cpu(ppm->ulApuTDP);
1218                        rdev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
1219                                le32_to_cpu(ppm->ulDGpuTDP);
1220                        rdev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
1221                                le32_to_cpu(ppm->ulDGpuUlvPower);
1222                        rdev->pm.dpm.dyn_state.ppm_table->tj_max =
1223                                le32_to_cpu(ppm->ulTjmax);
1224                }
1225                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
1226                        ext_hdr->usACPTableOffset) {
1227                        ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
1228                                (ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
1229                                (mode_info->atom_context->bios + data_offset +
1230                                 le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
1231                        ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
1232                        u32 size = limits->numEntries *
1233                                sizeof(struct radeon_clock_voltage_dependency_entry);
1234                        rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
1235                                kzalloc(size, GFP_KERNEL);
1236                        if (!rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
1237                                r600_free_extended_power_table(rdev);
1238                                return -ENOMEM;
1239                        }
1240                        rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
1241                                limits->numEntries;
1242                        entry = &limits->entries[0];
1243                        for (i = 0; i < limits->numEntries; i++) {
1244                                rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
1245                                        le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
1246                                rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
1247                                        le16_to_cpu(entry->usVoltage);
1248                                entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
1249                                        ((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
1250                        }
1251                }
1252                if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
1253                        ext_hdr->usPowerTuneTableOffset) {
1254                        u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
1255                                         le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1256                        ATOM_PowerTune_Table *pt;
1257                        rdev->pm.dpm.dyn_state.cac_tdp_table =
1258                                kzalloc(sizeof(struct radeon_cac_tdp_table), GFP_KERNEL);
1259                        if (!rdev->pm.dpm.dyn_state.cac_tdp_table) {
1260                                r600_free_extended_power_table(rdev);
1261                                return -ENOMEM;
1262                        }
1263                        if (rev > 0) {
1264                                ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
1265                                        (mode_info->atom_context->bios + data_offset +
1266                                         le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1267                                rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
1268                                        le16_to_cpu(ppt->usMaximumPowerDeliveryLimit);
1269                                pt = &ppt->power_tune_table;
1270                        } else {
1271                                ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
1272                                        (mode_info->atom_context->bios + data_offset +
1273                                         le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
1274                                rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
1275                                pt = &ppt->power_tune_table;
1276                        }
1277                        rdev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
1278                        rdev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
1279                                le16_to_cpu(pt->usConfigurableTDP);
1280                        rdev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
1281                        rdev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
1282                                le16_to_cpu(pt->usBatteryPowerLimit);
1283                        rdev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
1284                                le16_to_cpu(pt->usSmallPowerLimit);
1285                        rdev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
1286                                le16_to_cpu(pt->usLowCACLeakage);
1287                        rdev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
1288                                le16_to_cpu(pt->usHighCACLeakage);
1289                }
1290        }
1291
1292        return 0;
1293}
1294
1295void r600_free_extended_power_table(struct radeon_device *rdev)
1296{
1297        struct radeon_dpm_dynamic_state *dyn_state = &rdev->pm.dpm.dyn_state;
1298
1299        kfree(dyn_state->vddc_dependency_on_sclk.entries);
1300        kfree(dyn_state->vddci_dependency_on_mclk.entries);
1301        kfree(dyn_state->vddc_dependency_on_mclk.entries);
1302        kfree(dyn_state->mvdd_dependency_on_mclk.entries);
1303        kfree(dyn_state->cac_leakage_table.entries);
1304        kfree(dyn_state->phase_shedding_limits_table.entries);
1305        kfree(dyn_state->ppm_table);
1306        kfree(dyn_state->cac_tdp_table);
1307        kfree(dyn_state->vce_clock_voltage_dependency_table.entries);
1308        kfree(dyn_state->uvd_clock_voltage_dependency_table.entries);
1309        kfree(dyn_state->samu_clock_voltage_dependency_table.entries);
1310        kfree(dyn_state->acp_clock_voltage_dependency_table.entries);
1311}
1312
1313enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
1314                                               u32 sys_mask,
1315                                               enum radeon_pcie_gen asic_gen,
1316                                               enum radeon_pcie_gen default_gen)
1317{
1318        switch (asic_gen) {
1319        case RADEON_PCIE_GEN1:
1320                return RADEON_PCIE_GEN1;
1321        case RADEON_PCIE_GEN2:
1322                return RADEON_PCIE_GEN2;
1323        case RADEON_PCIE_GEN3:
1324                return RADEON_PCIE_GEN3;
1325        default:
1326                if ((sys_mask & DRM_PCIE_SPEED_80) && (default_gen == RADEON_PCIE_GEN3))
1327                        return RADEON_PCIE_GEN3;
1328                else if ((sys_mask & DRM_PCIE_SPEED_50) && (default_gen == RADEON_PCIE_GEN2))
1329                        return RADEON_PCIE_GEN2;
1330                else
1331                        return RADEON_PCIE_GEN1;
1332        }
1333        return RADEON_PCIE_GEN1;
1334}
1335
1336u16 r600_get_pcie_lane_support(struct radeon_device *rdev,
1337                               u16 asic_lanes,
1338                               u16 default_lanes)
1339{
1340        switch (asic_lanes) {
1341        case 0:
1342        default:
1343                return default_lanes;
1344        case 1:
1345                return 1;
1346        case 2:
1347                return 2;
1348        case 4:
1349                return 4;
1350        case 8:
1351                return 8;
1352        case 12:
1353                return 12;
1354        case 16:
1355                return 16;
1356        }
1357}
1358
1359u8 r600_encode_pci_lane_width(u32 lanes)
1360{
1361        u8 encoded_lanes[] = { 0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6 };
1362
1363        if (lanes > 16)
1364                return 0;
1365
1366        return encoded_lanes[lanes];
1367}
1368