linux/drivers/gpu/drm/radeon/sumo_dpm.c
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   1/*
   2 * Copyright 2012 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 */
  23
  24#include "radeon.h"
  25#include "radeon_asic.h"
  26#include "sumod.h"
  27#include "r600_dpm.h"
  28#include "cypress_dpm.h"
  29#include "sumo_dpm.h"
  30#include <linux/seq_file.h>
  31
  32#define SUMO_MAX_DEEPSLEEP_DIVIDER_ID 5
  33#define SUMO_MINIMUM_ENGINE_CLOCK 800
  34#define BOOST_DPM_LEVEL 7
  35
  36static const u32 sumo_utc[SUMO_PM_NUMBER_OF_TC] =
  37{
  38        SUMO_UTC_DFLT_00,
  39        SUMO_UTC_DFLT_01,
  40        SUMO_UTC_DFLT_02,
  41        SUMO_UTC_DFLT_03,
  42        SUMO_UTC_DFLT_04,
  43        SUMO_UTC_DFLT_05,
  44        SUMO_UTC_DFLT_06,
  45        SUMO_UTC_DFLT_07,
  46        SUMO_UTC_DFLT_08,
  47        SUMO_UTC_DFLT_09,
  48        SUMO_UTC_DFLT_10,
  49        SUMO_UTC_DFLT_11,
  50        SUMO_UTC_DFLT_12,
  51        SUMO_UTC_DFLT_13,
  52        SUMO_UTC_DFLT_14,
  53};
  54
  55static const u32 sumo_dtc[SUMO_PM_NUMBER_OF_TC] =
  56{
  57        SUMO_DTC_DFLT_00,
  58        SUMO_DTC_DFLT_01,
  59        SUMO_DTC_DFLT_02,
  60        SUMO_DTC_DFLT_03,
  61        SUMO_DTC_DFLT_04,
  62        SUMO_DTC_DFLT_05,
  63        SUMO_DTC_DFLT_06,
  64        SUMO_DTC_DFLT_07,
  65        SUMO_DTC_DFLT_08,
  66        SUMO_DTC_DFLT_09,
  67        SUMO_DTC_DFLT_10,
  68        SUMO_DTC_DFLT_11,
  69        SUMO_DTC_DFLT_12,
  70        SUMO_DTC_DFLT_13,
  71        SUMO_DTC_DFLT_14,
  72};
  73
  74static struct sumo_ps *sumo_get_ps(struct radeon_ps *rps)
  75{
  76        struct sumo_ps *ps = rps->ps_priv;
  77
  78        return ps;
  79}
  80
  81struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev)
  82{
  83        struct sumo_power_info *pi = rdev->pm.dpm.priv;
  84
  85        return pi;
  86}
  87
  88static void sumo_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
  89{
  90        if (enable)
  91                WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
  92        else {
  93                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
  94                WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
  95                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
  96                RREG32(GB_ADDR_CONFIG);
  97        }
  98}
  99
 100#define CGCG_CGTT_LOCAL0_MASK 0xE5BFFFFF
 101#define CGCG_CGTT_LOCAL1_MASK 0xEFFF07FF
 102
 103static void sumo_mg_clockgating_enable(struct radeon_device *rdev, bool enable)
 104{
 105        u32 local0;
 106        u32 local1;
 107
 108        local0 = RREG32(CG_CGTT_LOCAL_0);
 109        local1 = RREG32(CG_CGTT_LOCAL_1);
 110
 111        if (enable) {
 112                WREG32(CG_CGTT_LOCAL_0, (0 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
 113                WREG32(CG_CGTT_LOCAL_1, (0 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
 114        } else {
 115                WREG32(CG_CGTT_LOCAL_0, (0xFFFFFFFF & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
 116                WREG32(CG_CGTT_LOCAL_1, (0xFFFFCFFF & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
 117        }
 118}
 119
 120static void sumo_program_git(struct radeon_device *rdev)
 121{
 122        u32 p, u;
 123        u32 xclk = radeon_get_xclk(rdev);
 124
 125        r600_calculate_u_and_p(SUMO_GICST_DFLT,
 126                               xclk, 16, &p, &u);
 127
 128        WREG32_P(CG_GIT, CG_GICST(p), ~CG_GICST_MASK);
 129}
 130
 131static void sumo_program_grsd(struct radeon_device *rdev)
 132{
 133        u32 p, u;
 134        u32 xclk = radeon_get_xclk(rdev);
 135        u32 grs = 256 * 25 / 100;
 136
 137        r600_calculate_u_and_p(1, xclk, 14, &p, &u);
 138
 139        WREG32(CG_GCOOR, PHC(grs) | SDC(p) | SU(u));
 140}
 141
 142void sumo_gfx_clockgating_initialize(struct radeon_device *rdev)
 143{
 144        sumo_program_git(rdev);
 145        sumo_program_grsd(rdev);
 146}
 147
 148static void sumo_gfx_powergating_initialize(struct radeon_device *rdev)
 149{
 150        u32 rcu_pwr_gating_cntl;
 151        u32 p, u;
 152        u32 p_c, p_p, d_p;
 153        u32 r_t, i_t;
 154        u32 xclk = radeon_get_xclk(rdev);
 155
 156        if (rdev->family == CHIP_PALM) {
 157                p_c = 4;
 158                d_p = 10;
 159                r_t = 10;
 160                i_t = 4;
 161                p_p = 50 + 1000/200 + 6 * 32;
 162        } else {
 163                p_c = 16;
 164                d_p = 50;
 165                r_t = 50;
 166                i_t  = 50;
 167                p_p = 113;
 168        }
 169
 170        WREG32(CG_SCRATCH2, 0x01B60A17);
 171
 172        r600_calculate_u_and_p(SUMO_GFXPOWERGATINGT_DFLT,
 173                               xclk, 16, &p, &u);
 174
 175        WREG32_P(CG_PWR_GATING_CNTL, PGP(p) | PGU(u),
 176                 ~(PGP_MASK | PGU_MASK));
 177
 178        r600_calculate_u_and_p(SUMO_VOLTAGEDROPT_DFLT,
 179                               xclk, 16, &p, &u);
 180
 181        WREG32_P(CG_CG_VOLTAGE_CNTL, PGP(p) | PGU(u),
 182                 ~(PGP_MASK | PGU_MASK));
 183
 184        if (rdev->family == CHIP_PALM) {
 185                WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x10103210);
 186                WREG32_RCU(RCU_PWR_GATING_SEQ1, 0x10101010);
 187        } else {
 188                WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x76543210);
 189                WREG32_RCU(RCU_PWR_GATING_SEQ1, 0xFEDCBA98);
 190        }
 191
 192        rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
 193        rcu_pwr_gating_cntl &=
 194                ~(RSVD_MASK | PCV_MASK | PGS_MASK);
 195        rcu_pwr_gating_cntl |= PCV(p_c) | PGS(1) | PWR_GATING_EN;
 196        if (rdev->family == CHIP_PALM) {
 197                rcu_pwr_gating_cntl &= ~PCP_MASK;
 198                rcu_pwr_gating_cntl |= PCP(0x77);
 199        }
 200        WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
 201
 202        rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
 203        rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
 204        rcu_pwr_gating_cntl |= MPPU(p_p) | MPPD(50);
 205        WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
 206
 207        rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
 208        rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
 209        rcu_pwr_gating_cntl |= DPPU(d_p) | DPPD(50);
 210        WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
 211
 212        rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_4);
 213        rcu_pwr_gating_cntl &= ~(RT_MASK | IT_MASK);
 214        rcu_pwr_gating_cntl |= RT(r_t) | IT(i_t);
 215        WREG32_RCU(RCU_PWR_GATING_CNTL_4, rcu_pwr_gating_cntl);
 216
 217        if (rdev->family == CHIP_PALM)
 218                WREG32_RCU(RCU_PWR_GATING_CNTL_5, 0xA02);
 219
 220        sumo_smu_pg_init(rdev);
 221
 222        rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
 223        rcu_pwr_gating_cntl &=
 224                ~(RSVD_MASK | PCV_MASK | PGS_MASK);
 225        rcu_pwr_gating_cntl |= PCV(p_c) | PGS(4) | PWR_GATING_EN;
 226        if (rdev->family == CHIP_PALM) {
 227                rcu_pwr_gating_cntl &= ~PCP_MASK;
 228                rcu_pwr_gating_cntl |= PCP(0x77);
 229        }
 230        WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
 231
 232        if (rdev->family == CHIP_PALM) {
 233                rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
 234                rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
 235                rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50);
 236                WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
 237
 238                rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
 239                rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
 240                rcu_pwr_gating_cntl |= DPPU(16) | DPPD(50);
 241                WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
 242        }
 243
 244        sumo_smu_pg_init(rdev);
 245
 246        rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
 247        rcu_pwr_gating_cntl &=
 248                ~(RSVD_MASK | PCV_MASK | PGS_MASK);
 249        rcu_pwr_gating_cntl |= PGS(5) | PWR_GATING_EN;
 250
 251        if (rdev->family == CHIP_PALM) {
 252                rcu_pwr_gating_cntl |= PCV(4);
 253                rcu_pwr_gating_cntl &= ~PCP_MASK;
 254                rcu_pwr_gating_cntl |= PCP(0x77);
 255        } else
 256                rcu_pwr_gating_cntl |= PCV(11);
 257        WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
 258
 259        if (rdev->family == CHIP_PALM) {
 260                rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
 261                rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
 262                rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50);
 263                WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
 264
 265                rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
 266                rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
 267                rcu_pwr_gating_cntl |= DPPU(22) | DPPD(50);
 268                WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
 269        }
 270
 271        sumo_smu_pg_init(rdev);
 272}
 273
 274static void sumo_gfx_powergating_enable(struct radeon_device *rdev, bool enable)
 275{
 276        if (enable)
 277                WREG32_P(CG_PWR_GATING_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN);
 278        else {
 279                WREG32_P(CG_PWR_GATING_CNTL, 0, ~DYN_PWR_DOWN_EN);
 280                RREG32(GB_ADDR_CONFIG);
 281        }
 282}
 283
 284static int sumo_enable_clock_power_gating(struct radeon_device *rdev)
 285{
 286        struct sumo_power_info *pi = sumo_get_pi(rdev);
 287
 288        if (pi->enable_gfx_clock_gating)
 289                sumo_gfx_clockgating_initialize(rdev);
 290        if (pi->enable_gfx_power_gating)
 291                sumo_gfx_powergating_initialize(rdev);
 292        if (pi->enable_mg_clock_gating)
 293                sumo_mg_clockgating_enable(rdev, true);
 294        if (pi->enable_gfx_clock_gating)
 295                sumo_gfx_clockgating_enable(rdev, true);
 296        if (pi->enable_gfx_power_gating)
 297                sumo_gfx_powergating_enable(rdev, true);
 298
 299        return 0;
 300}
 301
 302static void sumo_disable_clock_power_gating(struct radeon_device *rdev)
 303{
 304        struct sumo_power_info *pi = sumo_get_pi(rdev);
 305
 306        if (pi->enable_gfx_clock_gating)
 307                sumo_gfx_clockgating_enable(rdev, false);
 308        if (pi->enable_gfx_power_gating)
 309                sumo_gfx_powergating_enable(rdev, false);
 310        if (pi->enable_mg_clock_gating)
 311                sumo_mg_clockgating_enable(rdev, false);
 312}
 313
 314static void sumo_calculate_bsp(struct radeon_device *rdev,
 315                               u32 high_clk)
 316{
 317        struct sumo_power_info *pi = sumo_get_pi(rdev);
 318        u32 xclk = radeon_get_xclk(rdev);
 319
 320        pi->pasi = 65535 * 100 / high_clk;
 321        pi->asi = 65535 * 100 / high_clk;
 322
 323        r600_calculate_u_and_p(pi->asi,
 324                               xclk, 16, &pi->bsp, &pi->bsu);
 325
 326        r600_calculate_u_and_p(pi->pasi,
 327                               xclk, 16, &pi->pbsp, &pi->pbsu);
 328
 329        pi->dsp = BSP(pi->bsp) | BSU(pi->bsu);
 330        pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu);
 331}
 332
 333static void sumo_init_bsp(struct radeon_device *rdev)
 334{
 335        struct sumo_power_info *pi = sumo_get_pi(rdev);
 336
 337        WREG32(CG_BSP_0, pi->psp);
 338}
 339
 340
 341static void sumo_program_bsp(struct radeon_device *rdev,
 342                             struct radeon_ps *rps)
 343{
 344        struct sumo_power_info *pi = sumo_get_pi(rdev);
 345        struct sumo_ps *ps = sumo_get_ps(rps);
 346        u32 i;
 347        u32 highest_engine_clock = ps->levels[ps->num_levels - 1].sclk;
 348
 349        if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 350                highest_engine_clock = pi->boost_pl.sclk;
 351
 352        sumo_calculate_bsp(rdev, highest_engine_clock);
 353
 354        for (i = 0; i < ps->num_levels - 1; i++)
 355                WREG32(CG_BSP_0 + (i * 4), pi->dsp);
 356
 357        WREG32(CG_BSP_0 + (i * 4), pi->psp);
 358
 359        if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 360                WREG32(CG_BSP_0 + (BOOST_DPM_LEVEL * 4), pi->psp);
 361}
 362
 363static void sumo_write_at(struct radeon_device *rdev,
 364                          u32 index, u32 value)
 365{
 366        if (index == 0)
 367                WREG32(CG_AT_0, value);
 368        else if (index == 1)
 369                WREG32(CG_AT_1, value);
 370        else if (index == 2)
 371                WREG32(CG_AT_2, value);
 372        else if (index == 3)
 373                WREG32(CG_AT_3, value);
 374        else if (index == 4)
 375                WREG32(CG_AT_4, value);
 376        else if (index == 5)
 377                WREG32(CG_AT_5, value);
 378        else if (index == 6)
 379                WREG32(CG_AT_6, value);
 380        else if (index == 7)
 381                WREG32(CG_AT_7, value);
 382}
 383
 384static void sumo_program_at(struct radeon_device *rdev,
 385                            struct radeon_ps *rps)
 386{
 387        struct sumo_power_info *pi = sumo_get_pi(rdev);
 388        struct sumo_ps *ps = sumo_get_ps(rps);
 389        u32 asi;
 390        u32 i;
 391        u32 m_a;
 392        u32 a_t;
 393        u32 r[SUMO_MAX_HARDWARE_POWERLEVELS];
 394        u32 l[SUMO_MAX_HARDWARE_POWERLEVELS];
 395
 396        r[0] = SUMO_R_DFLT0;
 397        r[1] = SUMO_R_DFLT1;
 398        r[2] = SUMO_R_DFLT2;
 399        r[3] = SUMO_R_DFLT3;
 400        r[4] = SUMO_R_DFLT4;
 401
 402        l[0] = SUMO_L_DFLT0;
 403        l[1] = SUMO_L_DFLT1;
 404        l[2] = SUMO_L_DFLT2;
 405        l[3] = SUMO_L_DFLT3;
 406        l[4] = SUMO_L_DFLT4;
 407
 408        for (i = 0; i < ps->num_levels; i++) {
 409                asi = (i == ps->num_levels - 1) ? pi->pasi : pi->asi;
 410
 411                m_a = asi * ps->levels[i].sclk / 100;
 412
 413                a_t = CG_R(m_a * r[i] / 100) | CG_L(m_a * l[i] / 100);
 414
 415                sumo_write_at(rdev, i, a_t);
 416        }
 417
 418        if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) {
 419                asi = pi->pasi;
 420
 421                m_a = asi * pi->boost_pl.sclk / 100;
 422
 423                a_t = CG_R(m_a * r[ps->num_levels - 1] / 100) |
 424                        CG_L(m_a * l[ps->num_levels - 1] / 100);
 425
 426                sumo_write_at(rdev, BOOST_DPM_LEVEL, a_t);
 427        }
 428}
 429
 430static void sumo_program_tp(struct radeon_device *rdev)
 431{
 432        int i;
 433        enum r600_td td = R600_TD_DFLT;
 434
 435        for (i = 0; i < SUMO_PM_NUMBER_OF_TC; i++) {
 436                WREG32_P(CG_FFCT_0 + (i * 4), UTC_0(sumo_utc[i]), ~UTC_0_MASK);
 437                WREG32_P(CG_FFCT_0 + (i * 4), DTC_0(sumo_dtc[i]), ~DTC_0_MASK);
 438        }
 439
 440        if (td == R600_TD_AUTO)
 441                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
 442        else
 443                WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
 444
 445        if (td == R600_TD_UP)
 446                WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
 447
 448        if (td == R600_TD_DOWN)
 449                WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
 450}
 451
 452void sumo_program_vc(struct radeon_device *rdev, u32 vrc)
 453{
 454        WREG32(CG_FTV, vrc);
 455}
 456
 457void sumo_clear_vc(struct radeon_device *rdev)
 458{
 459        WREG32(CG_FTV, 0);
 460}
 461
 462void sumo_program_sstp(struct radeon_device *rdev)
 463{
 464        u32 p, u;
 465        u32 xclk = radeon_get_xclk(rdev);
 466
 467        r600_calculate_u_and_p(SUMO_SST_DFLT,
 468                               xclk, 16, &p, &u);
 469
 470        WREG32(CG_SSP, SSTU(u) | SST(p));
 471}
 472
 473static void sumo_set_divider_value(struct radeon_device *rdev,
 474                                   u32 index, u32 divider)
 475{
 476        u32 reg_index = index / 4;
 477        u32 field_index = index % 4;
 478
 479        if (field_index == 0)
 480                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 481                         SCLK_FSTATE_0_DIV(divider), ~SCLK_FSTATE_0_DIV_MASK);
 482        else if (field_index == 1)
 483                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 484                         SCLK_FSTATE_1_DIV(divider), ~SCLK_FSTATE_1_DIV_MASK);
 485        else if (field_index == 2)
 486                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 487                         SCLK_FSTATE_2_DIV(divider), ~SCLK_FSTATE_2_DIV_MASK);
 488        else if (field_index == 3)
 489                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 490                         SCLK_FSTATE_3_DIV(divider), ~SCLK_FSTATE_3_DIV_MASK);
 491}
 492
 493static void sumo_set_ds_dividers(struct radeon_device *rdev,
 494                                 u32 index, u32 divider)
 495{
 496        struct sumo_power_info *pi = sumo_get_pi(rdev);
 497
 498        if (pi->enable_sclk_ds) {
 499                u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_6);
 500
 501                dpm_ctrl &= ~(0x7 << (index * 3));
 502                dpm_ctrl |= (divider << (index * 3));
 503                WREG32(CG_SCLK_DPM_CTRL_6, dpm_ctrl);
 504        }
 505}
 506
 507static void sumo_set_ss_dividers(struct radeon_device *rdev,
 508                                 u32 index, u32 divider)
 509{
 510        struct sumo_power_info *pi = sumo_get_pi(rdev);
 511
 512        if (pi->enable_sclk_ds) {
 513                u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_11);
 514
 515                dpm_ctrl &= ~(0x7 << (index * 3));
 516                dpm_ctrl |= (divider << (index * 3));
 517                WREG32(CG_SCLK_DPM_CTRL_11, dpm_ctrl);
 518        }
 519}
 520
 521static void sumo_set_vid(struct radeon_device *rdev, u32 index, u32 vid)
 522{
 523        u32 voltage_cntl = RREG32(CG_DPM_VOLTAGE_CNTL);
 524
 525        voltage_cntl &= ~(DPM_STATE0_LEVEL_MASK << (index * 2));
 526        voltage_cntl |= (vid << (DPM_STATE0_LEVEL_SHIFT + index * 2));
 527        WREG32(CG_DPM_VOLTAGE_CNTL, voltage_cntl);
 528}
 529
 530static void sumo_set_allos_gnb_slow(struct radeon_device *rdev, u32 index, u32 gnb_slow)
 531{
 532        struct sumo_power_info *pi = sumo_get_pi(rdev);
 533        u32 temp = gnb_slow;
 534        u32 cg_sclk_dpm_ctrl_3;
 535
 536        if (pi->driver_nbps_policy_disable)
 537                temp = 1;
 538
 539        cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3);
 540        cg_sclk_dpm_ctrl_3 &= ~(GNB_SLOW_FSTATE_0_MASK << index);
 541        cg_sclk_dpm_ctrl_3 |= (temp << (GNB_SLOW_FSTATE_0_SHIFT + index));
 542
 543        WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3);
 544}
 545
 546static void sumo_program_power_level(struct radeon_device *rdev,
 547                                     struct sumo_pl *pl, u32 index)
 548{
 549        struct sumo_power_info *pi = sumo_get_pi(rdev);
 550        int ret;
 551        struct atom_clock_dividers dividers;
 552        u32 ds_en = RREG32(DEEP_SLEEP_CNTL) & ENABLE_DS;
 553
 554        ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
 555                                             pl->sclk, false, &dividers);
 556        if (ret)
 557                return;
 558
 559        sumo_set_divider_value(rdev, index, dividers.post_div);
 560
 561        sumo_set_vid(rdev, index, pl->vddc_index);
 562
 563        if (pl->ss_divider_index == 0 || pl->ds_divider_index == 0) {
 564                if (ds_en)
 565                        WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS);
 566        } else {
 567                sumo_set_ss_dividers(rdev, index, pl->ss_divider_index);
 568                sumo_set_ds_dividers(rdev, index, pl->ds_divider_index);
 569
 570                if (!ds_en)
 571                        WREG32_P(DEEP_SLEEP_CNTL, ENABLE_DS, ~ENABLE_DS);
 572        }
 573
 574        sumo_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow);
 575
 576        if (pi->enable_boost)
 577                sumo_set_tdp_limit(rdev, index, pl->sclk_dpm_tdp_limit);
 578}
 579
 580static void sumo_power_level_enable(struct radeon_device *rdev, u32 index, bool enable)
 581{
 582        u32 reg_index = index / 4;
 583        u32 field_index = index % 4;
 584
 585        if (field_index == 0)
 586                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 587                         enable ? SCLK_FSTATE_0_VLD : 0, ~SCLK_FSTATE_0_VLD);
 588        else if (field_index == 1)
 589                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 590                         enable ? SCLK_FSTATE_1_VLD : 0, ~SCLK_FSTATE_1_VLD);
 591        else if (field_index == 2)
 592                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 593                         enable ? SCLK_FSTATE_2_VLD : 0, ~SCLK_FSTATE_2_VLD);
 594        else if (field_index == 3)
 595                WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 596                         enable ? SCLK_FSTATE_3_VLD : 0, ~SCLK_FSTATE_3_VLD);
 597}
 598
 599static bool sumo_dpm_enabled(struct radeon_device *rdev)
 600{
 601        if (RREG32(CG_SCLK_DPM_CTRL_3) & DPM_SCLK_ENABLE)
 602                return true;
 603        else
 604                return false;
 605}
 606
 607static void sumo_start_dpm(struct radeon_device *rdev)
 608{
 609        WREG32_P(CG_SCLK_DPM_CTRL_3, DPM_SCLK_ENABLE, ~DPM_SCLK_ENABLE);
 610}
 611
 612static void sumo_stop_dpm(struct radeon_device *rdev)
 613{
 614        WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~DPM_SCLK_ENABLE);
 615}
 616
 617static void sumo_set_forced_mode(struct radeon_device *rdev, bool enable)
 618{
 619        if (enable)
 620                WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE_EN, ~FORCE_SCLK_STATE_EN);
 621        else
 622                WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_SCLK_STATE_EN);
 623}
 624
 625static void sumo_set_forced_mode_enabled(struct radeon_device *rdev)
 626{
 627        int i;
 628
 629        sumo_set_forced_mode(rdev, true);
 630        for (i = 0; i < rdev->usec_timeout; i++) {
 631                if (RREG32(CG_SCLK_STATUS) & SCLK_OVERCLK_DETECT)
 632                        break;
 633                udelay(1);
 634        }
 635}
 636
 637static void sumo_wait_for_level_0(struct radeon_device *rdev)
 638{
 639        int i;
 640
 641        for (i = 0; i < rdev->usec_timeout; i++) {
 642                if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) == 0)
 643                        break;
 644                udelay(1);
 645        }
 646        for (i = 0; i < rdev->usec_timeout; i++) {
 647                if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) == 0)
 648                        break;
 649                udelay(1);
 650        }
 651}
 652
 653static void sumo_set_forced_mode_disabled(struct radeon_device *rdev)
 654{
 655        sumo_set_forced_mode(rdev, false);
 656}
 657
 658static void sumo_enable_power_level_0(struct radeon_device *rdev)
 659{
 660        sumo_power_level_enable(rdev, 0, true);
 661}
 662
 663static void sumo_patch_boost_state(struct radeon_device *rdev,
 664                                   struct radeon_ps *rps)
 665{
 666        struct sumo_power_info *pi = sumo_get_pi(rdev);
 667        struct sumo_ps *new_ps = sumo_get_ps(rps);
 668
 669        if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) {
 670                pi->boost_pl = new_ps->levels[new_ps->num_levels - 1];
 671                pi->boost_pl.sclk = pi->sys_info.boost_sclk;
 672                pi->boost_pl.vddc_index = pi->sys_info.boost_vid_2bit;
 673                pi->boost_pl.sclk_dpm_tdp_limit = pi->sys_info.sclk_dpm_tdp_limit_boost;
 674        }
 675}
 676
 677static void sumo_pre_notify_alt_vddnb_change(struct radeon_device *rdev,
 678                                             struct radeon_ps *new_rps,
 679                                             struct radeon_ps *old_rps)
 680{
 681        struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 682        struct sumo_ps *old_ps = sumo_get_ps(old_rps);
 683        u32 nbps1_old = 0;
 684        u32 nbps1_new = 0;
 685
 686        if (old_ps != NULL)
 687                nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0;
 688
 689        nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0;
 690
 691        if (nbps1_old == 1 && nbps1_new == 0)
 692                sumo_smu_notify_alt_vddnb_change(rdev, 0, 0);
 693}
 694
 695static void sumo_post_notify_alt_vddnb_change(struct radeon_device *rdev,
 696                                              struct radeon_ps *new_rps,
 697                                              struct radeon_ps *old_rps)
 698{
 699        struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 700        struct sumo_ps *old_ps = sumo_get_ps(old_rps);
 701        u32 nbps1_old = 0;
 702        u32 nbps1_new = 0;
 703
 704        if (old_ps != NULL)
 705                nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0;
 706
 707        nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0;
 708
 709        if (nbps1_old == 0 && nbps1_new == 1)
 710                sumo_smu_notify_alt_vddnb_change(rdev, 1, 1);
 711}
 712
 713static void sumo_enable_boost(struct radeon_device *rdev,
 714                              struct radeon_ps *rps,
 715                              bool enable)
 716{
 717        struct sumo_ps *new_ps = sumo_get_ps(rps);
 718
 719        if (enable) {
 720                if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 721                        sumo_boost_state_enable(rdev, true);
 722        } else
 723                sumo_boost_state_enable(rdev, false);
 724}
 725
 726static void sumo_set_forced_level(struct radeon_device *rdev, u32 index)
 727{
 728        WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE(index), ~FORCE_SCLK_STATE_MASK);
 729}
 730
 731static void sumo_set_forced_level_0(struct radeon_device *rdev)
 732{
 733        sumo_set_forced_level(rdev, 0);
 734}
 735
 736static void sumo_program_wl(struct radeon_device *rdev,
 737                            struct radeon_ps *rps)
 738{
 739        struct sumo_ps *new_ps = sumo_get_ps(rps);
 740        u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4);
 741
 742        dpm_ctrl4 &= 0xFFFFFF00;
 743        dpm_ctrl4 |= (1 << (new_ps->num_levels - 1));
 744
 745        if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 746                dpm_ctrl4 |= (1 << BOOST_DPM_LEVEL);
 747
 748        WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4);
 749}
 750
 751static void sumo_program_power_levels_0_to_n(struct radeon_device *rdev,
 752                                             struct radeon_ps *new_rps,
 753                                             struct radeon_ps *old_rps)
 754{
 755        struct sumo_power_info *pi = sumo_get_pi(rdev);
 756        struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 757        struct sumo_ps *old_ps = sumo_get_ps(old_rps);
 758        u32 i;
 759        u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels;
 760
 761        for (i = 0; i < new_ps->num_levels; i++) {
 762                sumo_program_power_level(rdev, &new_ps->levels[i], i);
 763                sumo_power_level_enable(rdev, i, true);
 764        }
 765
 766        for (i = new_ps->num_levels; i < n_current_state_levels; i++)
 767                sumo_power_level_enable(rdev, i, false);
 768
 769        if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 770                sumo_program_power_level(rdev, &pi->boost_pl, BOOST_DPM_LEVEL);
 771}
 772
 773static void sumo_enable_acpi_pm(struct radeon_device *rdev)
 774{
 775        WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
 776}
 777
 778static void sumo_program_power_level_enter_state(struct radeon_device *rdev)
 779{
 780        WREG32_P(CG_SCLK_DPM_CTRL_5, SCLK_FSTATE_BOOTUP(0), ~SCLK_FSTATE_BOOTUP_MASK);
 781}
 782
 783static void sumo_program_acpi_power_level(struct radeon_device *rdev)
 784{
 785        struct sumo_power_info *pi = sumo_get_pi(rdev);
 786        struct atom_clock_dividers dividers;
 787        int ret;
 788
 789        ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
 790                                             pi->acpi_pl.sclk,
 791                                             false, &dividers);
 792        if (ret)
 793                return;
 794
 795        WREG32_P(CG_ACPI_CNTL, SCLK_ACPI_DIV(dividers.post_div), ~SCLK_ACPI_DIV_MASK);
 796        WREG32_P(CG_ACPI_VOLTAGE_CNTL, 0, ~ACPI_VOLTAGE_EN);
 797}
 798
 799static void sumo_program_bootup_state(struct radeon_device *rdev)
 800{
 801        struct sumo_power_info *pi = sumo_get_pi(rdev);
 802        u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4);
 803        u32 i;
 804
 805        sumo_program_power_level(rdev, &pi->boot_pl, 0);
 806
 807        dpm_ctrl4 &= 0xFFFFFF00;
 808        WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4);
 809
 810        for (i = 1; i < 8; i++)
 811                sumo_power_level_enable(rdev, i, false);
 812}
 813
 814static void sumo_setup_uvd_clocks(struct radeon_device *rdev,
 815                                  struct radeon_ps *new_rps,
 816                                  struct radeon_ps *old_rps)
 817{
 818        struct sumo_power_info *pi = sumo_get_pi(rdev);
 819
 820        if (pi->enable_gfx_power_gating) {
 821                sumo_gfx_powergating_enable(rdev, false);
 822        }
 823
 824        radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk);
 825
 826        if (pi->enable_gfx_power_gating) {
 827                if (!pi->disable_gfx_power_gating_in_uvd ||
 828                    !r600_is_uvd_state(new_rps->class, new_rps->class2))
 829                        sumo_gfx_powergating_enable(rdev, true);
 830        }
 831}
 832
 833static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
 834                                                    struct radeon_ps *new_rps,
 835                                                    struct radeon_ps *old_rps)
 836{
 837        struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 838        struct sumo_ps *current_ps = sumo_get_ps(old_rps);
 839
 840        if ((new_rps->vclk == old_rps->vclk) &&
 841            (new_rps->dclk == old_rps->dclk))
 842                return;
 843
 844        if (new_ps->levels[new_ps->num_levels - 1].sclk >=
 845            current_ps->levels[current_ps->num_levels - 1].sclk)
 846                return;
 847
 848        sumo_setup_uvd_clocks(rdev, new_rps, old_rps);
 849}
 850
 851static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
 852                                                   struct radeon_ps *new_rps,
 853                                                   struct radeon_ps *old_rps)
 854{
 855        struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 856        struct sumo_ps *current_ps = sumo_get_ps(old_rps);
 857
 858        if ((new_rps->vclk == old_rps->vclk) &&
 859            (new_rps->dclk == old_rps->dclk))
 860                return;
 861
 862        if (new_ps->levels[new_ps->num_levels - 1].sclk <
 863            current_ps->levels[current_ps->num_levels - 1].sclk)
 864                return;
 865
 866        sumo_setup_uvd_clocks(rdev, new_rps, old_rps);
 867}
 868
 869void sumo_take_smu_control(struct radeon_device *rdev, bool enable)
 870{
 871/* This bit selects who handles display phy powergating.
 872 * Clear the bit to let atom handle it.
 873 * Set it to let the driver handle it.
 874 * For now we just let atom handle it.
 875 */
 876#if 0
 877        u32 v = RREG32(DOUT_SCRATCH3);
 878
 879        if (enable)
 880                v |= 0x4;
 881        else
 882                v &= 0xFFFFFFFB;
 883
 884        WREG32(DOUT_SCRATCH3, v);
 885#endif
 886}
 887
 888static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable)
 889{
 890        if (enable) {
 891                u32 deep_sleep_cntl = RREG32(DEEP_SLEEP_CNTL);
 892                u32 deep_sleep_cntl2 = RREG32(DEEP_SLEEP_CNTL2);
 893                u32 t = 1;
 894
 895                deep_sleep_cntl &= ~R_DIS;
 896                deep_sleep_cntl &= ~HS_MASK;
 897                deep_sleep_cntl |= HS(t > 4095 ? 4095 : t);
 898
 899                deep_sleep_cntl2 |= LB_UFP_EN;
 900                deep_sleep_cntl2 &= INOUT_C_MASK;
 901                deep_sleep_cntl2 |= INOUT_C(0xf);
 902
 903                WREG32(DEEP_SLEEP_CNTL2, deep_sleep_cntl2);
 904                WREG32(DEEP_SLEEP_CNTL, deep_sleep_cntl);
 905        } else
 906                WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS);
 907}
 908
 909static void sumo_program_bootup_at(struct radeon_device *rdev)
 910{
 911        WREG32_P(CG_AT_0, CG_R(0xffff), ~CG_R_MASK);
 912        WREG32_P(CG_AT_0, CG_L(0), ~CG_L_MASK);
 913}
 914
 915static void sumo_reset_am(struct radeon_device *rdev)
 916{
 917        WREG32_P(SCLK_PWRMGT_CNTL, FIR_RESET, ~FIR_RESET);
 918}
 919
 920static void sumo_start_am(struct radeon_device *rdev)
 921{
 922        WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_RESET);
 923}
 924
 925static void sumo_program_ttp(struct radeon_device *rdev)
 926{
 927        u32 xclk = radeon_get_xclk(rdev);
 928        u32 p, u;
 929        u32 cg_sclk_dpm_ctrl_5 = RREG32(CG_SCLK_DPM_CTRL_5);
 930
 931        r600_calculate_u_and_p(1000,
 932                               xclk, 16, &p, &u);
 933
 934        cg_sclk_dpm_ctrl_5 &= ~(TT_TP_MASK | TT_TU_MASK);
 935        cg_sclk_dpm_ctrl_5 |= TT_TP(p) | TT_TU(u);
 936
 937        WREG32(CG_SCLK_DPM_CTRL_5, cg_sclk_dpm_ctrl_5);
 938}
 939
 940static void sumo_program_ttt(struct radeon_device *rdev)
 941{
 942        u32 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3);
 943        struct sumo_power_info *pi = sumo_get_pi(rdev);
 944
 945        cg_sclk_dpm_ctrl_3 &= ~(GNB_TT_MASK | GNB_THERMTHRO_MASK);
 946        cg_sclk_dpm_ctrl_3 |= GNB_TT(pi->thermal_auto_throttling + 49);
 947
 948        WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3);
 949}
 950
 951
 952static void sumo_enable_voltage_scaling(struct radeon_device *rdev, bool enable)
 953{
 954        if (enable) {
 955                WREG32_P(CG_DPM_VOLTAGE_CNTL, DPM_VOLTAGE_EN, ~DPM_VOLTAGE_EN);
 956                WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~CG_VOLTAGE_EN);
 957        } else {
 958                WREG32_P(CG_CG_VOLTAGE_CNTL, CG_VOLTAGE_EN, ~CG_VOLTAGE_EN);
 959                WREG32_P(CG_DPM_VOLTAGE_CNTL, 0, ~DPM_VOLTAGE_EN);
 960        }
 961}
 962
 963static void sumo_override_cnb_thermal_events(struct radeon_device *rdev)
 964{
 965        WREG32_P(CG_SCLK_DPM_CTRL_3, CNB_THERMTHRO_MASK_SCLK,
 966                 ~CNB_THERMTHRO_MASK_SCLK);
 967}
 968
 969static void sumo_program_dc_hto(struct radeon_device *rdev)
 970{
 971        u32 cg_sclk_dpm_ctrl_4 = RREG32(CG_SCLK_DPM_CTRL_4);
 972        u32 p, u;
 973        u32 xclk = radeon_get_xclk(rdev);
 974
 975        r600_calculate_u_and_p(100000,
 976                               xclk, 14, &p, &u);
 977
 978        cg_sclk_dpm_ctrl_4 &= ~(DC_HDC_MASK | DC_HU_MASK);
 979        cg_sclk_dpm_ctrl_4 |= DC_HDC(p) | DC_HU(u);
 980
 981        WREG32(CG_SCLK_DPM_CTRL_4, cg_sclk_dpm_ctrl_4);
 982}
 983
 984static void sumo_force_nbp_state(struct radeon_device *rdev,
 985                                 struct radeon_ps *rps)
 986{
 987        struct sumo_power_info *pi = sumo_get_pi(rdev);
 988        struct sumo_ps *new_ps = sumo_get_ps(rps);
 989
 990        if (!pi->driver_nbps_policy_disable) {
 991                if (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)
 992                        WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_NB_PSTATE_1, ~FORCE_NB_PSTATE_1);
 993                else
 994                        WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_NB_PSTATE_1);
 995        }
 996}
 997
 998u32 sumo_get_sleep_divider_from_id(u32 id)
 999{
1000        return 1 << id;
1001}
1002
1003u32 sumo_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
1004                                         u32 sclk,
1005                                         u32 min_sclk_in_sr)
1006{
1007        struct sumo_power_info *pi = sumo_get_pi(rdev);
1008        u32 i;
1009        u32 temp;
1010        u32 min = (min_sclk_in_sr > SUMO_MINIMUM_ENGINE_CLOCK) ?
1011                min_sclk_in_sr : SUMO_MINIMUM_ENGINE_CLOCK;
1012
1013        if (sclk < min)
1014                return 0;
1015
1016        if (!pi->enable_sclk_ds)
1017                return 0;
1018
1019        for (i = SUMO_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
1020                temp = sclk / sumo_get_sleep_divider_from_id(i);
1021
1022                if (temp >= min || i == 0)
1023                        break;
1024        }
1025        return i;
1026}
1027
1028static u32 sumo_get_valid_engine_clock(struct radeon_device *rdev,
1029                                       u32 lower_limit)
1030{
1031        struct sumo_power_info *pi = sumo_get_pi(rdev);
1032        u32 i;
1033
1034        for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) {
1035                if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit)
1036                        return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency;
1037        }
1038
1039        return pi->sys_info.sclk_voltage_mapping_table.entries[pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1].sclk_frequency;
1040}
1041
1042static void sumo_patch_thermal_state(struct radeon_device *rdev,
1043                                     struct sumo_ps *ps,
1044                                     struct sumo_ps *current_ps)
1045{
1046        struct sumo_power_info *pi = sumo_get_pi(rdev);
1047        u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
1048        u32 current_vddc;
1049        u32 current_sclk;
1050        u32 current_index = 0;
1051
1052        if (current_ps) {
1053                current_vddc = current_ps->levels[current_index].vddc_index;
1054                current_sclk = current_ps->levels[current_index].sclk;
1055        } else {
1056                current_vddc = pi->boot_pl.vddc_index;
1057                current_sclk = pi->boot_pl.sclk;
1058        }
1059
1060        ps->levels[0].vddc_index = current_vddc;
1061
1062        if (ps->levels[0].sclk > current_sclk)
1063                ps->levels[0].sclk = current_sclk;
1064
1065        ps->levels[0].ss_divider_index =
1066                sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr);
1067
1068        ps->levels[0].ds_divider_index =
1069                sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, SUMO_MINIMUM_ENGINE_CLOCK);
1070
1071        if (ps->levels[0].ds_divider_index > ps->levels[0].ss_divider_index + 1)
1072                ps->levels[0].ds_divider_index = ps->levels[0].ss_divider_index + 1;
1073
1074        if (ps->levels[0].ss_divider_index == ps->levels[0].ds_divider_index) {
1075                if (ps->levels[0].ss_divider_index > 1)
1076                        ps->levels[0].ss_divider_index = ps->levels[0].ss_divider_index - 1;
1077        }
1078
1079        if (ps->levels[0].ss_divider_index == 0)
1080                ps->levels[0].ds_divider_index = 0;
1081
1082        if (ps->levels[0].ds_divider_index == 0)
1083                ps->levels[0].ss_divider_index = 0;
1084}
1085
1086static void sumo_apply_state_adjust_rules(struct radeon_device *rdev,
1087                                          struct radeon_ps *new_rps,
1088                                          struct radeon_ps *old_rps)
1089{
1090        struct sumo_ps *ps = sumo_get_ps(new_rps);
1091        struct sumo_ps *current_ps = sumo_get_ps(old_rps);
1092        struct sumo_power_info *pi = sumo_get_pi(rdev);
1093        u32 min_voltage = 0; /* ??? */
1094        u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */
1095        u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
1096        u32 i;
1097
1098        if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1099                return sumo_patch_thermal_state(rdev, ps, current_ps);
1100
1101        if (pi->enable_boost) {
1102                if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE)
1103                        ps->flags |= SUMO_POWERSTATE_FLAGS_BOOST_STATE;
1104        }
1105
1106        if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) ||
1107            (new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) ||
1108            (new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE))
1109                ps->flags |= SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE;
1110
1111        for (i = 0; i < ps->num_levels; i++) {
1112                if (ps->levels[i].vddc_index < min_voltage)
1113                        ps->levels[i].vddc_index = min_voltage;
1114
1115                if (ps->levels[i].sclk < min_sclk)
1116                        ps->levels[i].sclk =
1117                                sumo_get_valid_engine_clock(rdev, min_sclk);
1118
1119                ps->levels[i].ss_divider_index =
1120                        sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr);
1121
1122                ps->levels[i].ds_divider_index =
1123                        sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, SUMO_MINIMUM_ENGINE_CLOCK);
1124
1125                if (ps->levels[i].ds_divider_index > ps->levels[i].ss_divider_index + 1)
1126                        ps->levels[i].ds_divider_index = ps->levels[i].ss_divider_index + 1;
1127
1128                if (ps->levels[i].ss_divider_index == ps->levels[i].ds_divider_index) {
1129                        if (ps->levels[i].ss_divider_index > 1)
1130                                ps->levels[i].ss_divider_index = ps->levels[i].ss_divider_index - 1;
1131                }
1132
1133                if (ps->levels[i].ss_divider_index == 0)
1134                        ps->levels[i].ds_divider_index = 0;
1135
1136                if (ps->levels[i].ds_divider_index == 0)
1137                        ps->levels[i].ss_divider_index = 0;
1138
1139                if (ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)
1140                        ps->levels[i].allow_gnb_slow = 1;
1141                else if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) ||
1142                         (new_rps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC))
1143                        ps->levels[i].allow_gnb_slow = 0;
1144                else if (i == ps->num_levels - 1)
1145                        ps->levels[i].allow_gnb_slow = 0;
1146                else
1147                        ps->levels[i].allow_gnb_slow = 1;
1148        }
1149}
1150
1151static void sumo_cleanup_asic(struct radeon_device *rdev)
1152{
1153        sumo_take_smu_control(rdev, false);
1154}
1155
1156static int sumo_set_thermal_temperature_range(struct radeon_device *rdev,
1157                                              int min_temp, int max_temp)
1158{
1159        int low_temp = 0 * 1000;
1160        int high_temp = 255 * 1000;
1161
1162        if (low_temp < min_temp)
1163                low_temp = min_temp;
1164        if (high_temp > max_temp)
1165                high_temp = max_temp;
1166        if (high_temp < low_temp) {
1167                DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
1168                return -EINVAL;
1169        }
1170
1171        WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK);
1172        WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK);
1173
1174        rdev->pm.dpm.thermal.min_temp = low_temp;
1175        rdev->pm.dpm.thermal.max_temp = high_temp;
1176
1177        return 0;
1178}
1179
1180static void sumo_update_current_ps(struct radeon_device *rdev,
1181                                   struct radeon_ps *rps)
1182{
1183        struct sumo_ps *new_ps = sumo_get_ps(rps);
1184        struct sumo_power_info *pi = sumo_get_pi(rdev);
1185
1186        pi->current_rps = *rps;
1187        pi->current_ps = *new_ps;
1188        pi->current_rps.ps_priv = &pi->current_ps;
1189}
1190
1191static void sumo_update_requested_ps(struct radeon_device *rdev,
1192                                     struct radeon_ps *rps)
1193{
1194        struct sumo_ps *new_ps = sumo_get_ps(rps);
1195        struct sumo_power_info *pi = sumo_get_pi(rdev);
1196
1197        pi->requested_rps = *rps;
1198        pi->requested_ps = *new_ps;
1199        pi->requested_rps.ps_priv = &pi->requested_ps;
1200}
1201
1202int sumo_dpm_enable(struct radeon_device *rdev)
1203{
1204        struct sumo_power_info *pi = sumo_get_pi(rdev);
1205
1206        if (sumo_dpm_enabled(rdev))
1207                return -EINVAL;
1208
1209        sumo_program_bootup_state(rdev);
1210        sumo_init_bsp(rdev);
1211        sumo_reset_am(rdev);
1212        sumo_program_tp(rdev);
1213        sumo_program_bootup_at(rdev);
1214        sumo_start_am(rdev);
1215        if (pi->enable_auto_thermal_throttling) {
1216                sumo_program_ttp(rdev);
1217                sumo_program_ttt(rdev);
1218        }
1219        sumo_program_dc_hto(rdev);
1220        sumo_program_power_level_enter_state(rdev);
1221        sumo_enable_voltage_scaling(rdev, true);
1222        sumo_program_sstp(rdev);
1223        sumo_program_vc(rdev, SUMO_VRC_DFLT);
1224        sumo_override_cnb_thermal_events(rdev);
1225        sumo_start_dpm(rdev);
1226        sumo_wait_for_level_0(rdev);
1227        if (pi->enable_sclk_ds)
1228                sumo_enable_sclk_ds(rdev, true);
1229        if (pi->enable_boost)
1230                sumo_enable_boost_timer(rdev);
1231
1232        sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
1233
1234        return 0;
1235}
1236
1237int sumo_dpm_late_enable(struct radeon_device *rdev)
1238{
1239        int ret;
1240
1241        ret = sumo_enable_clock_power_gating(rdev);
1242        if (ret)
1243                return ret;
1244
1245        if (rdev->irq.installed &&
1246            r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1247                ret = sumo_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
1248                if (ret)
1249                        return ret;
1250                rdev->irq.dpm_thermal = true;
1251                radeon_irq_set(rdev);
1252        }
1253
1254        return 0;
1255}
1256
1257void sumo_dpm_disable(struct radeon_device *rdev)
1258{
1259        struct sumo_power_info *pi = sumo_get_pi(rdev);
1260
1261        if (!sumo_dpm_enabled(rdev))
1262                return;
1263        sumo_disable_clock_power_gating(rdev);
1264        if (pi->enable_sclk_ds)
1265                sumo_enable_sclk_ds(rdev, false);
1266        sumo_clear_vc(rdev);
1267        sumo_wait_for_level_0(rdev);
1268        sumo_stop_dpm(rdev);
1269        sumo_enable_voltage_scaling(rdev, false);
1270
1271        if (rdev->irq.installed &&
1272            r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1273                rdev->irq.dpm_thermal = false;
1274                radeon_irq_set(rdev);
1275        }
1276
1277        sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
1278}
1279
1280int sumo_dpm_pre_set_power_state(struct radeon_device *rdev)
1281{
1282        struct sumo_power_info *pi = sumo_get_pi(rdev);
1283        struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
1284        struct radeon_ps *new_ps = &requested_ps;
1285
1286        sumo_update_requested_ps(rdev, new_ps);
1287
1288        if (pi->enable_dynamic_patch_ps)
1289                sumo_apply_state_adjust_rules(rdev,
1290                                              &pi->requested_rps,
1291                                              &pi->current_rps);
1292
1293        return 0;
1294}
1295
1296int sumo_dpm_set_power_state(struct radeon_device *rdev)
1297{
1298        struct sumo_power_info *pi = sumo_get_pi(rdev);
1299        struct radeon_ps *new_ps = &pi->requested_rps;
1300        struct radeon_ps *old_ps = &pi->current_rps;
1301
1302        if (pi->enable_dpm)
1303                sumo_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
1304        if (pi->enable_boost) {
1305                sumo_enable_boost(rdev, new_ps, false);
1306                sumo_patch_boost_state(rdev, new_ps);
1307        }
1308        if (pi->enable_dpm) {
1309                sumo_pre_notify_alt_vddnb_change(rdev, new_ps, old_ps);
1310                sumo_enable_power_level_0(rdev);
1311                sumo_set_forced_level_0(rdev);
1312                sumo_set_forced_mode_enabled(rdev);
1313                sumo_wait_for_level_0(rdev);
1314                sumo_program_power_levels_0_to_n(rdev, new_ps, old_ps);
1315                sumo_program_wl(rdev, new_ps);
1316                sumo_program_bsp(rdev, new_ps);
1317                sumo_program_at(rdev, new_ps);
1318                sumo_force_nbp_state(rdev, new_ps);
1319                sumo_set_forced_mode_disabled(rdev);
1320                sumo_set_forced_mode_enabled(rdev);
1321                sumo_set_forced_mode_disabled(rdev);
1322                sumo_post_notify_alt_vddnb_change(rdev, new_ps, old_ps);
1323        }
1324        if (pi->enable_boost)
1325                sumo_enable_boost(rdev, new_ps, true);
1326        if (pi->enable_dpm)
1327                sumo_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
1328
1329        return 0;
1330}
1331
1332void sumo_dpm_post_set_power_state(struct radeon_device *rdev)
1333{
1334        struct sumo_power_info *pi = sumo_get_pi(rdev);
1335        struct radeon_ps *new_ps = &pi->requested_rps;
1336
1337        sumo_update_current_ps(rdev, new_ps);
1338}
1339
1340#if 0
1341void sumo_dpm_reset_asic(struct radeon_device *rdev)
1342{
1343        sumo_program_bootup_state(rdev);
1344        sumo_enable_power_level_0(rdev);
1345        sumo_set_forced_level_0(rdev);
1346        sumo_set_forced_mode_enabled(rdev);
1347        sumo_wait_for_level_0(rdev);
1348        sumo_set_forced_mode_disabled(rdev);
1349        sumo_set_forced_mode_enabled(rdev);
1350        sumo_set_forced_mode_disabled(rdev);
1351}
1352#endif
1353
1354void sumo_dpm_setup_asic(struct radeon_device *rdev)
1355{
1356        struct sumo_power_info *pi = sumo_get_pi(rdev);
1357
1358        sumo_initialize_m3_arb(rdev);
1359        pi->fw_version = sumo_get_running_fw_version(rdev);
1360        DRM_INFO("Found smc ucode version: 0x%08x\n", pi->fw_version);
1361        sumo_program_acpi_power_level(rdev);
1362        sumo_enable_acpi_pm(rdev);
1363        sumo_take_smu_control(rdev, true);
1364}
1365
1366void sumo_dpm_display_configuration_changed(struct radeon_device *rdev)
1367{
1368
1369}
1370
1371union power_info {
1372        struct _ATOM_POWERPLAY_INFO info;
1373        struct _ATOM_POWERPLAY_INFO_V2 info_2;
1374        struct _ATOM_POWERPLAY_INFO_V3 info_3;
1375        struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
1376        struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
1377        struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
1378};
1379
1380union pplib_clock_info {
1381        struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
1382        struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
1383        struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
1384        struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
1385};
1386
1387union pplib_power_state {
1388        struct _ATOM_PPLIB_STATE v1;
1389        struct _ATOM_PPLIB_STATE_V2 v2;
1390};
1391
1392static void sumo_patch_boot_state(struct radeon_device *rdev,
1393                                  struct sumo_ps *ps)
1394{
1395        struct sumo_power_info *pi = sumo_get_pi(rdev);
1396
1397        ps->num_levels = 1;
1398        ps->flags = 0;
1399        ps->levels[0] = pi->boot_pl;
1400}
1401
1402static void sumo_parse_pplib_non_clock_info(struct radeon_device *rdev,
1403                                            struct radeon_ps *rps,
1404                                            struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
1405                                            u8 table_rev)
1406{
1407        struct sumo_ps *ps = sumo_get_ps(rps);
1408
1409        rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
1410        rps->class = le16_to_cpu(non_clock_info->usClassification);
1411        rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
1412
1413        if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
1414                rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
1415                rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
1416        } else {
1417                rps->vclk = 0;
1418                rps->dclk = 0;
1419        }
1420
1421        if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
1422                rdev->pm.dpm.boot_ps = rps;
1423                sumo_patch_boot_state(rdev, ps);
1424        }
1425        if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
1426                rdev->pm.dpm.uvd_ps = rps;
1427}
1428
1429static void sumo_parse_pplib_clock_info(struct radeon_device *rdev,
1430                                        struct radeon_ps *rps, int index,
1431                                        union pplib_clock_info *clock_info)
1432{
1433        struct sumo_power_info *pi = sumo_get_pi(rdev);
1434        struct sumo_ps *ps = sumo_get_ps(rps);
1435        struct sumo_pl *pl = &ps->levels[index];
1436        u32 sclk;
1437
1438        sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
1439        sclk |= clock_info->sumo.ucEngineClockHigh << 16;
1440        pl->sclk = sclk;
1441        pl->vddc_index = clock_info->sumo.vddcIndex;
1442        pl->sclk_dpm_tdp_limit = clock_info->sumo.tdpLimit;
1443
1444        ps->num_levels = index + 1;
1445
1446        if (pi->enable_sclk_ds) {
1447                pl->ds_divider_index = 5;
1448                pl->ss_divider_index = 4;
1449        }
1450}
1451
1452static int sumo_parse_power_table(struct radeon_device *rdev)
1453{
1454        struct radeon_mode_info *mode_info = &rdev->mode_info;
1455        struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
1456        union pplib_power_state *power_state;
1457        int i, j, k, non_clock_array_index, clock_array_index;
1458        union pplib_clock_info *clock_info;
1459        struct _StateArray *state_array;
1460        struct _ClockInfoArray *clock_info_array;
1461        struct _NonClockInfoArray *non_clock_info_array;
1462        union power_info *power_info;
1463        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
1464        u16 data_offset;
1465        u8 frev, crev;
1466        u8 *power_state_offset;
1467        struct sumo_ps *ps;
1468
1469        if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
1470                                   &frev, &crev, &data_offset))
1471                return -EINVAL;
1472        power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
1473
1474        state_array = (struct _StateArray *)
1475                (mode_info->atom_context->bios + data_offset +
1476                 le16_to_cpu(power_info->pplib.usStateArrayOffset));
1477        clock_info_array = (struct _ClockInfoArray *)
1478                (mode_info->atom_context->bios + data_offset +
1479                 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
1480        non_clock_info_array = (struct _NonClockInfoArray *)
1481                (mode_info->atom_context->bios + data_offset +
1482                 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
1483
1484        rdev->pm.dpm.ps = kcalloc(state_array->ucNumEntries,
1485                                  sizeof(struct radeon_ps),
1486                                  GFP_KERNEL);
1487        if (!rdev->pm.dpm.ps)
1488                return -ENOMEM;
1489        power_state_offset = (u8 *)state_array->states;
1490        for (i = 0; i < state_array->ucNumEntries; i++) {
1491                u8 *idx;
1492                power_state = (union pplib_power_state *)power_state_offset;
1493                non_clock_array_index = power_state->v2.nonClockInfoIndex;
1494                non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
1495                        &non_clock_info_array->nonClockInfo[non_clock_array_index];
1496                if (!rdev->pm.power_state[i].clock_info)
1497                        return -EINVAL;
1498                ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL);
1499                if (ps == NULL) {
1500                        kfree(rdev->pm.dpm.ps);
1501                        return -ENOMEM;
1502                }
1503                rdev->pm.dpm.ps[i].ps_priv = ps;
1504                k = 0;
1505                idx = (u8 *)&power_state->v2.clockInfoIndex[0];
1506                for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
1507                        clock_array_index = idx[j];
1508                        if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
1509                                break;
1510
1511                        clock_info = (union pplib_clock_info *)
1512                                ((u8 *)&clock_info_array->clockInfo[0] +
1513                                 (clock_array_index * clock_info_array->ucEntrySize));
1514                        sumo_parse_pplib_clock_info(rdev,
1515                                                    &rdev->pm.dpm.ps[i], k,
1516                                                    clock_info);
1517                        k++;
1518                }
1519                sumo_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
1520                                                non_clock_info,
1521                                                non_clock_info_array->ucEntrySize);
1522                power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
1523        }
1524        rdev->pm.dpm.num_ps = state_array->ucNumEntries;
1525        return 0;
1526}
1527
1528u32 sumo_convert_vid2_to_vid7(struct radeon_device *rdev,
1529                              struct sumo_vid_mapping_table *vid_mapping_table,
1530                              u32 vid_2bit)
1531{
1532        u32 i;
1533
1534        for (i = 0; i < vid_mapping_table->num_entries; i++) {
1535                if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
1536                        return vid_mapping_table->entries[i].vid_7bit;
1537        }
1538
1539        return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
1540}
1541
1542#if 0
1543u32 sumo_convert_vid7_to_vid2(struct radeon_device *rdev,
1544                              struct sumo_vid_mapping_table *vid_mapping_table,
1545                              u32 vid_7bit)
1546{
1547        u32 i;
1548
1549        for (i = 0; i < vid_mapping_table->num_entries; i++) {
1550                if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
1551                        return vid_mapping_table->entries[i].vid_2bit;
1552        }
1553
1554        return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
1555}
1556#endif
1557
1558static u16 sumo_convert_voltage_index_to_value(struct radeon_device *rdev,
1559                                               u32 vid_2bit)
1560{
1561        struct sumo_power_info *pi = sumo_get_pi(rdev);
1562        u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid_2bit);
1563
1564        if (vid_7bit > 0x7C)
1565                return 0;
1566
1567        return (15500 - vid_7bit * 125 + 5) / 10;
1568}
1569
1570static void sumo_construct_display_voltage_mapping_table(struct radeon_device *rdev,
1571                                                         struct sumo_disp_clock_voltage_mapping_table *disp_clk_voltage_mapping_table,
1572                                                         ATOM_CLK_VOLT_CAPABILITY *table)
1573{
1574        u32 i;
1575
1576        for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
1577                if (table[i].ulMaximumSupportedCLK == 0)
1578                        break;
1579
1580                disp_clk_voltage_mapping_table->display_clock_frequency[i] =
1581                        table[i].ulMaximumSupportedCLK;
1582        }
1583
1584        disp_clk_voltage_mapping_table->num_max_voltage_levels = i;
1585
1586        if (disp_clk_voltage_mapping_table->num_max_voltage_levels == 0) {
1587                disp_clk_voltage_mapping_table->display_clock_frequency[0] = 80000;
1588                disp_clk_voltage_mapping_table->num_max_voltage_levels = 1;
1589        }
1590}
1591
1592void sumo_construct_sclk_voltage_mapping_table(struct radeon_device *rdev,
1593                                               struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table,
1594                                               ATOM_AVAILABLE_SCLK_LIST *table)
1595{
1596        u32 i;
1597        u32 n = 0;
1598        u32 prev_sclk = 0;
1599
1600        for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
1601                if (table[i].ulSupportedSCLK > prev_sclk) {
1602                        sclk_voltage_mapping_table->entries[n].sclk_frequency =
1603                                table[i].ulSupportedSCLK;
1604                        sclk_voltage_mapping_table->entries[n].vid_2bit =
1605                                table[i].usVoltageIndex;
1606                        prev_sclk = table[i].ulSupportedSCLK;
1607                        n++;
1608                }
1609        }
1610
1611        sclk_voltage_mapping_table->num_max_dpm_entries = n;
1612}
1613
1614void sumo_construct_vid_mapping_table(struct radeon_device *rdev,
1615                                      struct sumo_vid_mapping_table *vid_mapping_table,
1616                                      ATOM_AVAILABLE_SCLK_LIST *table)
1617{
1618        u32 i, j;
1619
1620        for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
1621                if (table[i].ulSupportedSCLK != 0) {
1622                        vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit =
1623                                table[i].usVoltageID;
1624                        vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =
1625                                table[i].usVoltageIndex;
1626                }
1627        }
1628
1629        for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
1630                if (vid_mapping_table->entries[i].vid_7bit == 0) {
1631                        for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
1632                                if (vid_mapping_table->entries[j].vid_7bit != 0) {
1633                                        vid_mapping_table->entries[i] =
1634                                                vid_mapping_table->entries[j];
1635                                        vid_mapping_table->entries[j].vid_7bit = 0;
1636                                        break;
1637                                }
1638                        }
1639
1640                        if (j == SUMO_MAX_NUMBER_VOLTAGES)
1641                                break;
1642                }
1643        }
1644
1645        vid_mapping_table->num_entries = i;
1646}
1647
1648union igp_info {
1649        struct _ATOM_INTEGRATED_SYSTEM_INFO info;
1650        struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
1651        struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
1652        struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
1653};
1654
1655static int sumo_parse_sys_info_table(struct radeon_device *rdev)
1656{
1657        struct sumo_power_info *pi = sumo_get_pi(rdev);
1658        struct radeon_mode_info *mode_info = &rdev->mode_info;
1659        int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1660        union igp_info *igp_info;
1661        u8 frev, crev;
1662        u16 data_offset;
1663        int i;
1664
1665        if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1666                                   &frev, &crev, &data_offset)) {
1667                igp_info = (union igp_info *)(mode_info->atom_context->bios +
1668                                              data_offset);
1669
1670                if (crev != 6) {
1671                        DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1672                        return -EINVAL;
1673                }
1674                pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_6.ulBootUpEngineClock);
1675                pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_6.ulMinEngineClock);
1676                pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_6.ulBootUpUMAClock);
1677                pi->sys_info.bootup_nb_voltage_index =
1678                        le16_to_cpu(igp_info->info_6.usBootUpNBVoltage);
1679                if (igp_info->info_6.ucHtcTmpLmt == 0)
1680                        pi->sys_info.htc_tmp_lmt = 203;
1681                else
1682                        pi->sys_info.htc_tmp_lmt = igp_info->info_6.ucHtcTmpLmt;
1683                if (igp_info->info_6.ucHtcHystLmt == 0)
1684                        pi->sys_info.htc_hyst_lmt = 5;
1685                else
1686                        pi->sys_info.htc_hyst_lmt = igp_info->info_6.ucHtcHystLmt;
1687                if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
1688                        DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
1689                }
1690                for (i = 0; i < NUMBER_OF_M3ARB_PARAM_SETS; i++) {
1691                        pi->sys_info.csr_m3_arb_cntl_default[i] =
1692                                le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_DEFAULT[i]);
1693                        pi->sys_info.csr_m3_arb_cntl_uvd[i] =
1694                                le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_UVD[i]);
1695                        pi->sys_info.csr_m3_arb_cntl_fs3d[i] =
1696                                le32_to_cpu(igp_info->info_6.ulCSR_M3_ARB_CNTL_FS3D[i]);
1697                }
1698                pi->sys_info.sclk_dpm_boost_margin =
1699                        le32_to_cpu(igp_info->info_6.SclkDpmBoostMargin);
1700                pi->sys_info.sclk_dpm_throttle_margin =
1701                        le32_to_cpu(igp_info->info_6.SclkDpmThrottleMargin);
1702                pi->sys_info.sclk_dpm_tdp_limit_pg =
1703                        le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitPG);
1704                pi->sys_info.gnb_tdp_limit = le16_to_cpu(igp_info->info_6.GnbTdpLimit);
1705                pi->sys_info.sclk_dpm_tdp_limit_boost =
1706                        le16_to_cpu(igp_info->info_6.SclkDpmTdpLimitBoost);
1707                pi->sys_info.boost_sclk = le32_to_cpu(igp_info->info_6.ulBoostEngineCLock);
1708                pi->sys_info.boost_vid_2bit = igp_info->info_6.ulBoostVid_2bit;
1709                if (igp_info->info_6.EnableBoost)
1710                        pi->sys_info.enable_boost = true;
1711                else
1712                        pi->sys_info.enable_boost = false;
1713                sumo_construct_display_voltage_mapping_table(rdev,
1714                                                             &pi->sys_info.disp_clk_voltage_mapping_table,
1715                                                             igp_info->info_6.sDISPCLK_Voltage);
1716                sumo_construct_sclk_voltage_mapping_table(rdev,
1717                                                          &pi->sys_info.sclk_voltage_mapping_table,
1718                                                          igp_info->info_6.sAvail_SCLK);
1719                sumo_construct_vid_mapping_table(rdev, &pi->sys_info.vid_mapping_table,
1720                                                 igp_info->info_6.sAvail_SCLK);
1721
1722        }
1723        return 0;
1724}
1725
1726static void sumo_construct_boot_and_acpi_state(struct radeon_device *rdev)
1727{
1728        struct sumo_power_info *pi = sumo_get_pi(rdev);
1729
1730        pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
1731        pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
1732        pi->boot_pl.ds_divider_index = 0;
1733        pi->boot_pl.ss_divider_index = 0;
1734        pi->boot_pl.allow_gnb_slow = 1;
1735        pi->acpi_pl = pi->boot_pl;
1736        pi->current_ps.num_levels = 1;
1737        pi->current_ps.levels[0] = pi->boot_pl;
1738}
1739
1740int sumo_dpm_init(struct radeon_device *rdev)
1741{
1742        struct sumo_power_info *pi;
1743        u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT;
1744        int ret;
1745
1746        pi = kzalloc(sizeof(struct sumo_power_info), GFP_KERNEL);
1747        if (pi == NULL)
1748                return -ENOMEM;
1749        rdev->pm.dpm.priv = pi;
1750
1751        pi->driver_nbps_policy_disable = false;
1752        if ((rdev->family == CHIP_PALM) && (hw_rev < 3))
1753                pi->disable_gfx_power_gating_in_uvd = true;
1754        else
1755                pi->disable_gfx_power_gating_in_uvd = false;
1756        pi->enable_alt_vddnb = true;
1757        pi->enable_sclk_ds = true;
1758        pi->enable_dynamic_m3_arbiter = false;
1759        pi->enable_dynamic_patch_ps = true;
1760        /* Some PALM chips don't seem to properly ungate gfx when UVD is in use;
1761         * for now just disable gfx PG.
1762         */
1763        if (rdev->family == CHIP_PALM)
1764                pi->enable_gfx_power_gating = false;
1765        else
1766                pi->enable_gfx_power_gating = true;
1767        pi->enable_gfx_clock_gating = true;
1768        pi->enable_mg_clock_gating = true;
1769        pi->enable_auto_thermal_throttling = true;
1770
1771        ret = sumo_parse_sys_info_table(rdev);
1772        if (ret)
1773                return ret;
1774
1775        sumo_construct_boot_and_acpi_state(rdev);
1776
1777        ret = r600_get_platform_caps(rdev);
1778        if (ret)
1779                return ret;
1780
1781        ret = sumo_parse_power_table(rdev);
1782        if (ret)
1783                return ret;
1784
1785        pi->pasi = CYPRESS_HASI_DFLT;
1786        pi->asi = RV770_ASI_DFLT;
1787        pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt;
1788        pi->enable_boost = pi->sys_info.enable_boost;
1789        pi->enable_dpm = true;
1790
1791        return 0;
1792}
1793
1794void sumo_dpm_print_power_state(struct radeon_device *rdev,
1795                                struct radeon_ps *rps)
1796{
1797        int i;
1798        struct sumo_ps *ps = sumo_get_ps(rps);
1799
1800        r600_dpm_print_class_info(rps->class, rps->class2);
1801        r600_dpm_print_cap_info(rps->caps);
1802        printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
1803        for (i = 0; i < ps->num_levels; i++) {
1804                struct sumo_pl *pl = &ps->levels[i];
1805                printk("\t\tpower level %d    sclk: %u vddc: %u\n",
1806                       i, pl->sclk,
1807                       sumo_convert_voltage_index_to_value(rdev, pl->vddc_index));
1808        }
1809        r600_dpm_print_ps_status(rdev, rps);
1810}
1811
1812void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
1813                                                      struct seq_file *m)
1814{
1815        struct sumo_power_info *pi = sumo_get_pi(rdev);
1816        struct radeon_ps *rps = &pi->current_rps;
1817        struct sumo_ps *ps = sumo_get_ps(rps);
1818        struct sumo_pl *pl;
1819        u32 current_index =
1820                (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >>
1821                CURR_INDEX_SHIFT;
1822
1823        if (current_index == BOOST_DPM_LEVEL) {
1824                pl = &pi->boost_pl;
1825                seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
1826                seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
1827                           current_index, pl->sclk,
1828                           sumo_convert_voltage_index_to_value(rdev, pl->vddc_index));
1829        } else if (current_index >= ps->num_levels) {
1830                seq_printf(m, "invalid dpm profile %d\n", current_index);
1831        } else {
1832                pl = &ps->levels[current_index];
1833                seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
1834                seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
1835                           current_index, pl->sclk,
1836                           sumo_convert_voltage_index_to_value(rdev, pl->vddc_index));
1837        }
1838}
1839
1840u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev)
1841{
1842        struct sumo_power_info *pi = sumo_get_pi(rdev);
1843        struct radeon_ps *rps = &pi->current_rps;
1844        struct sumo_ps *ps = sumo_get_ps(rps);
1845        struct sumo_pl *pl;
1846        u32 current_index =
1847                (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >>
1848                CURR_INDEX_SHIFT;
1849
1850        if (current_index == BOOST_DPM_LEVEL) {
1851                pl = &pi->boost_pl;
1852                return pl->sclk;
1853        } else if (current_index >= ps->num_levels) {
1854                return 0;
1855        } else {
1856                pl = &ps->levels[current_index];
1857                return pl->sclk;
1858        }
1859}
1860
1861u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev)
1862{
1863        struct sumo_power_info *pi = sumo_get_pi(rdev);
1864
1865        return pi->sys_info.bootup_uma_clk;
1866}
1867
1868void sumo_dpm_fini(struct radeon_device *rdev)
1869{
1870        int i;
1871
1872        sumo_cleanup_asic(rdev); /* ??? */
1873
1874        for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
1875                kfree(rdev->pm.dpm.ps[i].ps_priv);
1876        }
1877        kfree(rdev->pm.dpm.ps);
1878        kfree(rdev->pm.dpm.priv);
1879}
1880
1881u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low)
1882{
1883        struct sumo_power_info *pi = sumo_get_pi(rdev);
1884        struct sumo_ps *requested_state = sumo_get_ps(&pi->requested_rps);
1885
1886        if (low)
1887                return requested_state->levels[0].sclk;
1888        else
1889                return requested_state->levels[requested_state->num_levels - 1].sclk;
1890}
1891
1892u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low)
1893{
1894        struct sumo_power_info *pi = sumo_get_pi(rdev);
1895
1896        return pi->sys_info.bootup_uma_clk;
1897}
1898
1899int sumo_dpm_force_performance_level(struct radeon_device *rdev,
1900                                     enum radeon_dpm_forced_level level)
1901{
1902        struct sumo_power_info *pi = sumo_get_pi(rdev);
1903        struct radeon_ps *rps = &pi->current_rps;
1904        struct sumo_ps *ps = sumo_get_ps(rps);
1905        int i;
1906
1907        if (ps->num_levels <= 1)
1908                return 0;
1909
1910        if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1911                if (pi->enable_boost)
1912                        sumo_enable_boost(rdev, rps, false);
1913                sumo_power_level_enable(rdev, ps->num_levels - 1, true);
1914                sumo_set_forced_level(rdev, ps->num_levels - 1);
1915                sumo_set_forced_mode_enabled(rdev);
1916                for (i = 0; i < ps->num_levels - 1; i++) {
1917                        sumo_power_level_enable(rdev, i, false);
1918                }
1919                sumo_set_forced_mode(rdev, false);
1920                sumo_set_forced_mode_enabled(rdev);
1921                sumo_set_forced_mode(rdev, false);
1922        } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1923                if (pi->enable_boost)
1924                        sumo_enable_boost(rdev, rps, false);
1925                sumo_power_level_enable(rdev, 0, true);
1926                sumo_set_forced_level(rdev, 0);
1927                sumo_set_forced_mode_enabled(rdev);
1928                for (i = 1; i < ps->num_levels; i++) {
1929                        sumo_power_level_enable(rdev, i, false);
1930                }
1931                sumo_set_forced_mode(rdev, false);
1932                sumo_set_forced_mode_enabled(rdev);
1933                sumo_set_forced_mode(rdev, false);
1934        } else {
1935                for (i = 0; i < ps->num_levels; i++) {
1936                        sumo_power_level_enable(rdev, i, true);
1937                }
1938                if (pi->enable_boost)
1939                        sumo_enable_boost(rdev, rps, true);
1940        }
1941
1942        rdev->pm.dpm.forced_level = level;
1943
1944        return 0;
1945}
1946