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v4.6
   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 "drmP.h"
  25#include "radeon.h"
  26#include "radeon_asic.h"
  27#include "sumod.h"
  28#include "r600_dpm.h"
  29#include "cypress_dpm.h"
  30#include "sumo_dpm.h"
  31#include <linux/seq_file.h>
  32
  33#define SUMO_MAX_DEEPSLEEP_DIVIDER_ID 5
  34#define SUMO_MINIMUM_ENGINE_CLOCK 800
  35#define BOOST_DPM_LEVEL 7
  36
  37static const u32 sumo_utc[SUMO_PM_NUMBER_OF_TC] =
  38{
  39	SUMO_UTC_DFLT_00,
  40	SUMO_UTC_DFLT_01,
  41	SUMO_UTC_DFLT_02,
  42	SUMO_UTC_DFLT_03,
  43	SUMO_UTC_DFLT_04,
  44	SUMO_UTC_DFLT_05,
  45	SUMO_UTC_DFLT_06,
  46	SUMO_UTC_DFLT_07,
  47	SUMO_UTC_DFLT_08,
  48	SUMO_UTC_DFLT_09,
  49	SUMO_UTC_DFLT_10,
  50	SUMO_UTC_DFLT_11,
  51	SUMO_UTC_DFLT_12,
  52	SUMO_UTC_DFLT_13,
  53	SUMO_UTC_DFLT_14,
  54};
  55
  56static const u32 sumo_dtc[SUMO_PM_NUMBER_OF_TC] =
  57{
  58	SUMO_DTC_DFLT_00,
  59	SUMO_DTC_DFLT_01,
  60	SUMO_DTC_DFLT_02,
  61	SUMO_DTC_DFLT_03,
  62	SUMO_DTC_DFLT_04,
  63	SUMO_DTC_DFLT_05,
  64	SUMO_DTC_DFLT_06,
  65	SUMO_DTC_DFLT_07,
  66	SUMO_DTC_DFLT_08,
  67	SUMO_DTC_DFLT_09,
  68	SUMO_DTC_DFLT_10,
  69	SUMO_DTC_DFLT_11,
  70	SUMO_DTC_DFLT_12,
  71	SUMO_DTC_DFLT_13,
  72	SUMO_DTC_DFLT_14,
  73};
  74
  75static struct sumo_ps *sumo_get_ps(struct radeon_ps *rps)
  76{
  77	struct sumo_ps *ps = rps->ps_priv;
  78
  79	return ps;
  80}
  81
  82struct sumo_power_info *sumo_get_pi(struct radeon_device *rdev)
  83{
  84	struct sumo_power_info *pi = rdev->pm.dpm.priv;
  85
  86	return pi;
  87}
  88
  89static void sumo_gfx_clockgating_enable(struct radeon_device *rdev, bool enable)
  90{
  91	if (enable)
  92		WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
  93	else {
  94		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
  95		WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
  96		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
  97		RREG32(GB_ADDR_CONFIG);
  98	}
  99}
 100
 101#define CGCG_CGTT_LOCAL0_MASK 0xE5BFFFFF
 102#define CGCG_CGTT_LOCAL1_MASK 0xEFFF07FF
 103
 104static void sumo_mg_clockgating_enable(struct radeon_device *rdev, bool enable)
 105{
 106	u32 local0;
 107	u32 local1;
 108
 109	local0 = RREG32(CG_CGTT_LOCAL_0);
 110	local1 = RREG32(CG_CGTT_LOCAL_1);
 111
 112	if (enable) {
 113		WREG32(CG_CGTT_LOCAL_0, (0 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
 114		WREG32(CG_CGTT_LOCAL_1, (0 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
 115	} else {
 116		WREG32(CG_CGTT_LOCAL_0, (0xFFFFFFFF & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
 117		WREG32(CG_CGTT_LOCAL_1, (0xFFFFCFFF & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
 118	}
 119}
 120
 121static void sumo_program_git(struct radeon_device *rdev)
 122{
 123	u32 p, u;
 124	u32 xclk = radeon_get_xclk(rdev);
 125
 126	r600_calculate_u_and_p(SUMO_GICST_DFLT,
 127			       xclk, 16, &p, &u);
 128
 129	WREG32_P(CG_GIT, CG_GICST(p), ~CG_GICST_MASK);
 130}
 131
 132static void sumo_program_grsd(struct radeon_device *rdev)
 133{
 134	u32 p, u;
 135	u32 xclk = radeon_get_xclk(rdev);
 136	u32 grs = 256 * 25 / 100;
 137
 138	r600_calculate_u_and_p(1, xclk, 14, &p, &u);
 139
 140	WREG32(CG_GCOOR, PHC(grs) | SDC(p) | SU(u));
 141}
 142
 143void sumo_gfx_clockgating_initialize(struct radeon_device *rdev)
 144{
 145	sumo_program_git(rdev);
 146	sumo_program_grsd(rdev);
 147}
 148
 149static void sumo_gfx_powergating_initialize(struct radeon_device *rdev)
 150{
 151	u32 rcu_pwr_gating_cntl;
 152	u32 p, u;
 153	u32 p_c, p_p, d_p;
 154	u32 r_t, i_t;
 155	u32 xclk = radeon_get_xclk(rdev);
 156
 157	if (rdev->family == CHIP_PALM) {
 158		p_c = 4;
 159		d_p = 10;
 160		r_t = 10;
 161		i_t = 4;
 162		p_p = 50 + 1000/200 + 6 * 32;
 163	} else {
 164		p_c = 16;
 165		d_p = 50;
 166		r_t = 50;
 167		i_t  = 50;
 168		p_p = 113;
 169	}
 170
 171	WREG32(CG_SCRATCH2, 0x01B60A17);
 172
 173	r600_calculate_u_and_p(SUMO_GFXPOWERGATINGT_DFLT,
 174			       xclk, 16, &p, &u);
 175
 176	WREG32_P(CG_PWR_GATING_CNTL, PGP(p) | PGU(u),
 177		 ~(PGP_MASK | PGU_MASK));
 178
 179	r600_calculate_u_and_p(SUMO_VOLTAGEDROPT_DFLT,
 180			       xclk, 16, &p, &u);
 181
 182	WREG32_P(CG_CG_VOLTAGE_CNTL, PGP(p) | PGU(u),
 183		 ~(PGP_MASK | PGU_MASK));
 184
 185	if (rdev->family == CHIP_PALM) {
 186		WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x10103210);
 187		WREG32_RCU(RCU_PWR_GATING_SEQ1, 0x10101010);
 188	} else {
 189		WREG32_RCU(RCU_PWR_GATING_SEQ0, 0x76543210);
 190		WREG32_RCU(RCU_PWR_GATING_SEQ1, 0xFEDCBA98);
 191	}
 192
 193	rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
 194	rcu_pwr_gating_cntl &=
 195		~(RSVD_MASK | PCV_MASK | PGS_MASK);
 196	rcu_pwr_gating_cntl |= PCV(p_c) | PGS(1) | PWR_GATING_EN;
 197	if (rdev->family == CHIP_PALM) {
 198		rcu_pwr_gating_cntl &= ~PCP_MASK;
 199		rcu_pwr_gating_cntl |= PCP(0x77);
 200	}
 201	WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
 202
 203	rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
 204	rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
 205	rcu_pwr_gating_cntl |= MPPU(p_p) | MPPD(50);
 206	WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
 207
 208	rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
 209	rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
 210	rcu_pwr_gating_cntl |= DPPU(d_p) | DPPD(50);
 211	WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
 212
 213	rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_4);
 214	rcu_pwr_gating_cntl &= ~(RT_MASK | IT_MASK);
 215	rcu_pwr_gating_cntl |= RT(r_t) | IT(i_t);
 216	WREG32_RCU(RCU_PWR_GATING_CNTL_4, rcu_pwr_gating_cntl);
 217
 218	if (rdev->family == CHIP_PALM)
 219		WREG32_RCU(RCU_PWR_GATING_CNTL_5, 0xA02);
 220
 221	sumo_smu_pg_init(rdev);
 222
 223	rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
 224	rcu_pwr_gating_cntl &=
 225		~(RSVD_MASK | PCV_MASK | PGS_MASK);
 226	rcu_pwr_gating_cntl |= PCV(p_c) | PGS(4) | PWR_GATING_EN;
 227	if (rdev->family == CHIP_PALM) {
 228		rcu_pwr_gating_cntl &= ~PCP_MASK;
 229		rcu_pwr_gating_cntl |= PCP(0x77);
 230	}
 231	WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
 232
 233	if (rdev->family == CHIP_PALM) {
 234		rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
 235		rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
 236		rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50);
 237		WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
 238
 239		rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
 240		rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
 241		rcu_pwr_gating_cntl |= DPPU(16) | DPPD(50);
 242		WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
 243	}
 244
 245	sumo_smu_pg_init(rdev);
 246
 247	rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL);
 248	rcu_pwr_gating_cntl &=
 249		~(RSVD_MASK | PCV_MASK | PGS_MASK);
 250	rcu_pwr_gating_cntl |= PGS(5) | PWR_GATING_EN;
 251
 252	if (rdev->family == CHIP_PALM) {
 253		rcu_pwr_gating_cntl |= PCV(4);
 254		rcu_pwr_gating_cntl &= ~PCP_MASK;
 255		rcu_pwr_gating_cntl |= PCP(0x77);
 256	} else
 257		rcu_pwr_gating_cntl |= PCV(11);
 258	WREG32_RCU(RCU_PWR_GATING_CNTL, rcu_pwr_gating_cntl);
 259
 260	if (rdev->family == CHIP_PALM) {
 261		rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_2);
 262		rcu_pwr_gating_cntl &= ~(MPPU_MASK | MPPD_MASK);
 263		rcu_pwr_gating_cntl |= MPPU(113) | MPPD(50);
 264		WREG32_RCU(RCU_PWR_GATING_CNTL_2, rcu_pwr_gating_cntl);
 265
 266		rcu_pwr_gating_cntl = RREG32_RCU(RCU_PWR_GATING_CNTL_3);
 267		rcu_pwr_gating_cntl &= ~(DPPU_MASK | DPPD_MASK);
 268		rcu_pwr_gating_cntl |= DPPU(22) | DPPD(50);
 269		WREG32_RCU(RCU_PWR_GATING_CNTL_3, rcu_pwr_gating_cntl);
 270	}
 271
 272	sumo_smu_pg_init(rdev);
 273}
 274
 275static void sumo_gfx_powergating_enable(struct radeon_device *rdev, bool enable)
 276{
 277	if (enable)
 278		WREG32_P(CG_PWR_GATING_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN);
 279	else {
 280		WREG32_P(CG_PWR_GATING_CNTL, 0, ~DYN_PWR_DOWN_EN);
 281		RREG32(GB_ADDR_CONFIG);
 282	}
 283}
 284
 285static int sumo_enable_clock_power_gating(struct radeon_device *rdev)
 286{
 287	struct sumo_power_info *pi = sumo_get_pi(rdev);
 288
 289	if (pi->enable_gfx_clock_gating)
 290		sumo_gfx_clockgating_initialize(rdev);
 291	if (pi->enable_gfx_power_gating)
 292		sumo_gfx_powergating_initialize(rdev);
 293	if (pi->enable_mg_clock_gating)
 294		sumo_mg_clockgating_enable(rdev, true);
 295	if (pi->enable_gfx_clock_gating)
 296		sumo_gfx_clockgating_enable(rdev, true);
 297	if (pi->enable_gfx_power_gating)
 298		sumo_gfx_powergating_enable(rdev, true);
 299
 300	return 0;
 301}
 302
 303static void sumo_disable_clock_power_gating(struct radeon_device *rdev)
 304{
 305	struct sumo_power_info *pi = sumo_get_pi(rdev);
 306
 307	if (pi->enable_gfx_clock_gating)
 308		sumo_gfx_clockgating_enable(rdev, false);
 309	if (pi->enable_gfx_power_gating)
 310		sumo_gfx_powergating_enable(rdev, false);
 311	if (pi->enable_mg_clock_gating)
 312		sumo_mg_clockgating_enable(rdev, false);
 313}
 314
 315static void sumo_calculate_bsp(struct radeon_device *rdev,
 316			       u32 high_clk)
 317{
 318	struct sumo_power_info *pi = sumo_get_pi(rdev);
 319	u32 xclk = radeon_get_xclk(rdev);
 320
 321	pi->pasi = 65535 * 100 / high_clk;
 322	pi->asi = 65535 * 100 / high_clk;
 323
 324	r600_calculate_u_and_p(pi->asi,
 325			       xclk, 16, &pi->bsp, &pi->bsu);
 326
 327	r600_calculate_u_and_p(pi->pasi,
 328			       xclk, 16, &pi->pbsp, &pi->pbsu);
 329
 330	pi->dsp = BSP(pi->bsp) | BSU(pi->bsu);
 331	pi->psp = BSP(pi->pbsp) | BSU(pi->pbsu);
 332}
 333
 334static void sumo_init_bsp(struct radeon_device *rdev)
 335{
 336	struct sumo_power_info *pi = sumo_get_pi(rdev);
 337
 338	WREG32(CG_BSP_0, pi->psp);
 339}
 340
 341
 342static void sumo_program_bsp(struct radeon_device *rdev,
 343			     struct radeon_ps *rps)
 344{
 345	struct sumo_power_info *pi = sumo_get_pi(rdev);
 346	struct sumo_ps *ps = sumo_get_ps(rps);
 347	u32 i;
 348	u32 highest_engine_clock = ps->levels[ps->num_levels - 1].sclk;
 349
 350	if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 351		highest_engine_clock = pi->boost_pl.sclk;
 352
 353	sumo_calculate_bsp(rdev, highest_engine_clock);
 354
 355	for (i = 0; i < ps->num_levels - 1; i++)
 356		WREG32(CG_BSP_0 + (i * 4), pi->dsp);
 357
 358	WREG32(CG_BSP_0 + (i * 4), pi->psp);
 359
 360	if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 361		WREG32(CG_BSP_0 + (BOOST_DPM_LEVEL * 4), pi->psp);
 362}
 363
 364static void sumo_write_at(struct radeon_device *rdev,
 365			  u32 index, u32 value)
 366{
 367	if (index == 0)
 368		WREG32(CG_AT_0, value);
 369	else if (index == 1)
 370		WREG32(CG_AT_1, value);
 371	else if (index == 2)
 372		WREG32(CG_AT_2, value);
 373	else if (index == 3)
 374		WREG32(CG_AT_3, value);
 375	else if (index == 4)
 376		WREG32(CG_AT_4, value);
 377	else if (index == 5)
 378		WREG32(CG_AT_5, value);
 379	else if (index == 6)
 380		WREG32(CG_AT_6, value);
 381	else if (index == 7)
 382		WREG32(CG_AT_7, value);
 383}
 384
 385static void sumo_program_at(struct radeon_device *rdev,
 386			    struct radeon_ps *rps)
 387{
 388	struct sumo_power_info *pi = sumo_get_pi(rdev);
 389	struct sumo_ps *ps = sumo_get_ps(rps);
 390	u32 asi;
 391	u32 i;
 392	u32 m_a;
 393	u32 a_t;
 394	u32 r[SUMO_MAX_HARDWARE_POWERLEVELS];
 395	u32 l[SUMO_MAX_HARDWARE_POWERLEVELS];
 396
 397	r[0] = SUMO_R_DFLT0;
 398	r[1] = SUMO_R_DFLT1;
 399	r[2] = SUMO_R_DFLT2;
 400	r[3] = SUMO_R_DFLT3;
 401	r[4] = SUMO_R_DFLT4;
 402
 403	l[0] = SUMO_L_DFLT0;
 404	l[1] = SUMO_L_DFLT1;
 405	l[2] = SUMO_L_DFLT2;
 406	l[3] = SUMO_L_DFLT3;
 407	l[4] = SUMO_L_DFLT4;
 408
 409	for (i = 0; i < ps->num_levels; i++) {
 410		asi = (i == ps->num_levels - 1) ? pi->pasi : pi->asi;
 411
 412		m_a = asi * ps->levels[i].sclk / 100;
 413
 414		a_t = CG_R(m_a * r[i] / 100) | CG_L(m_a * l[i] / 100);
 415
 416		sumo_write_at(rdev, i, a_t);
 417	}
 418
 419	if (ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) {
 420		asi = pi->pasi;
 421
 422		m_a = asi * pi->boost_pl.sclk / 100;
 423
 424		a_t = CG_R(m_a * r[ps->num_levels - 1] / 100) |
 425			CG_L(m_a * l[ps->num_levels - 1] / 100);
 426
 427		sumo_write_at(rdev, BOOST_DPM_LEVEL, a_t);
 428	}
 429}
 430
 431static void sumo_program_tp(struct radeon_device *rdev)
 432{
 433	int i;
 434	enum r600_td td = R600_TD_DFLT;
 435
 436	for (i = 0; i < SUMO_PM_NUMBER_OF_TC; i++) {
 437		WREG32_P(CG_FFCT_0 + (i * 4), UTC_0(sumo_utc[i]), ~UTC_0_MASK);
 438		WREG32_P(CG_FFCT_0 + (i * 4), DTC_0(sumo_dtc[i]), ~DTC_0_MASK);
 439	}
 440
 441	if (td == R600_TD_AUTO)
 442		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_FORCE_TREND_SEL);
 443	else
 444		WREG32_P(SCLK_PWRMGT_CNTL, FIR_FORCE_TREND_SEL, ~FIR_FORCE_TREND_SEL);
 445
 446	if (td == R600_TD_UP)
 447		WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_TREND_MODE);
 448
 449	if (td == R600_TD_DOWN)
 450		WREG32_P(SCLK_PWRMGT_CNTL, FIR_TREND_MODE, ~FIR_TREND_MODE);
 451}
 452
 453void sumo_program_vc(struct radeon_device *rdev, u32 vrc)
 454{
 455	WREG32(CG_FTV, vrc);
 456}
 457
 458void sumo_clear_vc(struct radeon_device *rdev)
 459{
 460	WREG32(CG_FTV, 0);
 461}
 462
 463void sumo_program_sstp(struct radeon_device *rdev)
 464{
 465	u32 p, u;
 466	u32 xclk = radeon_get_xclk(rdev);
 467
 468	r600_calculate_u_and_p(SUMO_SST_DFLT,
 469			       xclk, 16, &p, &u);
 470
 471	WREG32(CG_SSP, SSTU(u) | SST(p));
 472}
 473
 474static void sumo_set_divider_value(struct radeon_device *rdev,
 475				   u32 index, u32 divider)
 476{
 477	u32 reg_index = index / 4;
 478	u32 field_index = index % 4;
 479
 480	if (field_index == 0)
 481		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 482			 SCLK_FSTATE_0_DIV(divider), ~SCLK_FSTATE_0_DIV_MASK);
 483	else if (field_index == 1)
 484		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 485			 SCLK_FSTATE_1_DIV(divider), ~SCLK_FSTATE_1_DIV_MASK);
 486	else if (field_index == 2)
 487		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 488			 SCLK_FSTATE_2_DIV(divider), ~SCLK_FSTATE_2_DIV_MASK);
 489	else if (field_index == 3)
 490		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 491			 SCLK_FSTATE_3_DIV(divider), ~SCLK_FSTATE_3_DIV_MASK);
 492}
 493
 494static void sumo_set_ds_dividers(struct radeon_device *rdev,
 495				 u32 index, u32 divider)
 496{
 497	struct sumo_power_info *pi = sumo_get_pi(rdev);
 498
 499	if (pi->enable_sclk_ds) {
 500		u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_6);
 501
 502		dpm_ctrl &= ~(0x7 << (index * 3));
 503		dpm_ctrl |= (divider << (index * 3));
 504		WREG32(CG_SCLK_DPM_CTRL_6, dpm_ctrl);
 505	}
 506}
 507
 508static void sumo_set_ss_dividers(struct radeon_device *rdev,
 509				 u32 index, u32 divider)
 510{
 511	struct sumo_power_info *pi = sumo_get_pi(rdev);
 512
 513	if (pi->enable_sclk_ds) {
 514		u32 dpm_ctrl = RREG32(CG_SCLK_DPM_CTRL_11);
 515
 516		dpm_ctrl &= ~(0x7 << (index * 3));
 517		dpm_ctrl |= (divider << (index * 3));
 518		WREG32(CG_SCLK_DPM_CTRL_11, dpm_ctrl);
 519	}
 520}
 521
 522static void sumo_set_vid(struct radeon_device *rdev, u32 index, u32 vid)
 523{
 524	u32 voltage_cntl = RREG32(CG_DPM_VOLTAGE_CNTL);
 525
 526	voltage_cntl &= ~(DPM_STATE0_LEVEL_MASK << (index * 2));
 527	voltage_cntl |= (vid << (DPM_STATE0_LEVEL_SHIFT + index * 2));
 528	WREG32(CG_DPM_VOLTAGE_CNTL, voltage_cntl);
 529}
 530
 531static void sumo_set_allos_gnb_slow(struct radeon_device *rdev, u32 index, u32 gnb_slow)
 532{
 533	struct sumo_power_info *pi = sumo_get_pi(rdev);
 534	u32 temp = gnb_slow;
 535	u32 cg_sclk_dpm_ctrl_3;
 536
 537	if (pi->driver_nbps_policy_disable)
 538		temp = 1;
 539
 540	cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3);
 541	cg_sclk_dpm_ctrl_3 &= ~(GNB_SLOW_FSTATE_0_MASK << index);
 542	cg_sclk_dpm_ctrl_3 |= (temp << (GNB_SLOW_FSTATE_0_SHIFT + index));
 543
 544	WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3);
 545}
 546
 547static void sumo_program_power_level(struct radeon_device *rdev,
 548				     struct sumo_pl *pl, u32 index)
 549{
 550	struct sumo_power_info *pi = sumo_get_pi(rdev);
 551	int ret;
 552	struct atom_clock_dividers dividers;
 553	u32 ds_en = RREG32(DEEP_SLEEP_CNTL) & ENABLE_DS;
 554
 555	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
 556					     pl->sclk, false, &dividers);
 557	if (ret)
 558		return;
 559
 560	sumo_set_divider_value(rdev, index, dividers.post_div);
 561
 562	sumo_set_vid(rdev, index, pl->vddc_index);
 563
 564	if (pl->ss_divider_index == 0 || pl->ds_divider_index == 0) {
 565		if (ds_en)
 566			WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS);
 567	} else {
 568		sumo_set_ss_dividers(rdev, index, pl->ss_divider_index);
 569		sumo_set_ds_dividers(rdev, index, pl->ds_divider_index);
 570
 571		if (!ds_en)
 572			WREG32_P(DEEP_SLEEP_CNTL, ENABLE_DS, ~ENABLE_DS);
 573	}
 574
 575	sumo_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow);
 576
 577	if (pi->enable_boost)
 578		sumo_set_tdp_limit(rdev, index, pl->sclk_dpm_tdp_limit);
 579}
 580
 581static void sumo_power_level_enable(struct radeon_device *rdev, u32 index, bool enable)
 582{
 583	u32 reg_index = index / 4;
 584	u32 field_index = index % 4;
 585
 586	if (field_index == 0)
 587		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 588			 enable ? SCLK_FSTATE_0_VLD : 0, ~SCLK_FSTATE_0_VLD);
 589	else if (field_index == 1)
 590		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 591			 enable ? SCLK_FSTATE_1_VLD : 0, ~SCLK_FSTATE_1_VLD);
 592	else if (field_index == 2)
 593		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 594			 enable ? SCLK_FSTATE_2_VLD : 0, ~SCLK_FSTATE_2_VLD);
 595	else if (field_index == 3)
 596		WREG32_P(CG_SCLK_DPM_CTRL + (reg_index * 4),
 597			 enable ? SCLK_FSTATE_3_VLD : 0, ~SCLK_FSTATE_3_VLD);
 598}
 599
 600static bool sumo_dpm_enabled(struct radeon_device *rdev)
 601{
 602	if (RREG32(CG_SCLK_DPM_CTRL_3) & DPM_SCLK_ENABLE)
 603		return true;
 604	else
 605		return false;
 606}
 607
 608static void sumo_start_dpm(struct radeon_device *rdev)
 609{
 610	WREG32_P(CG_SCLK_DPM_CTRL_3, DPM_SCLK_ENABLE, ~DPM_SCLK_ENABLE);
 611}
 612
 613static void sumo_stop_dpm(struct radeon_device *rdev)
 614{
 615	WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~DPM_SCLK_ENABLE);
 616}
 617
 618static void sumo_set_forced_mode(struct radeon_device *rdev, bool enable)
 619{
 620	if (enable)
 621		WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE_EN, ~FORCE_SCLK_STATE_EN);
 622	else
 623		WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_SCLK_STATE_EN);
 624}
 625
 626static void sumo_set_forced_mode_enabled(struct radeon_device *rdev)
 627{
 628	int i;
 629
 630	sumo_set_forced_mode(rdev, true);
 631	for (i = 0; i < rdev->usec_timeout; i++) {
 632		if (RREG32(CG_SCLK_STATUS) & SCLK_OVERCLK_DETECT)
 633			break;
 634		udelay(1);
 635	}
 636}
 637
 638static void sumo_wait_for_level_0(struct radeon_device *rdev)
 639{
 640	int i;
 641
 642	for (i = 0; i < rdev->usec_timeout; i++) {
 643		if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_SCLK_INDEX_MASK) == 0)
 644			break;
 645		udelay(1);
 646	}
 647	for (i = 0; i < rdev->usec_timeout; i++) {
 648		if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) == 0)
 649			break;
 650		udelay(1);
 651	}
 652}
 653
 654static void sumo_set_forced_mode_disabled(struct radeon_device *rdev)
 655{
 656	sumo_set_forced_mode(rdev, false);
 657}
 658
 659static void sumo_enable_power_level_0(struct radeon_device *rdev)
 660{
 661	sumo_power_level_enable(rdev, 0, true);
 662}
 663
 664static void sumo_patch_boost_state(struct radeon_device *rdev,
 665				   struct radeon_ps *rps)
 666{
 667	struct sumo_power_info *pi = sumo_get_pi(rdev);
 668	struct sumo_ps *new_ps = sumo_get_ps(rps);
 669
 670	if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE) {
 671		pi->boost_pl = new_ps->levels[new_ps->num_levels - 1];
 672		pi->boost_pl.sclk = pi->sys_info.boost_sclk;
 673		pi->boost_pl.vddc_index = pi->sys_info.boost_vid_2bit;
 674		pi->boost_pl.sclk_dpm_tdp_limit = pi->sys_info.sclk_dpm_tdp_limit_boost;
 675	}
 676}
 677
 678static void sumo_pre_notify_alt_vddnb_change(struct radeon_device *rdev,
 679					     struct radeon_ps *new_rps,
 680					     struct radeon_ps *old_rps)
 681{
 682	struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 683	struct sumo_ps *old_ps = sumo_get_ps(old_rps);
 684	u32 nbps1_old = 0;
 685	u32 nbps1_new = 0;
 686
 687	if (old_ps != NULL)
 688		nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0;
 689
 690	nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE) ? 1 : 0;
 691
 692	if (nbps1_old == 1 && nbps1_new == 0)
 693		sumo_smu_notify_alt_vddnb_change(rdev, 0, 0);
 694}
 695
 696static void sumo_post_notify_alt_vddnb_change(struct radeon_device *rdev,
 697					      struct radeon_ps *new_rps,
 698					      struct radeon_ps *old_rps)
 699{
 700	struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 701	struct sumo_ps *old_ps = sumo_get_ps(old_rps);
 702	u32 nbps1_old = 0;
 703	u32 nbps1_new = 0;
 704
 705	if (old_ps != NULL)
 706		nbps1_old = (old_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0;
 707
 708	nbps1_new = (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)? 1 : 0;
 709
 710	if (nbps1_old == 0 && nbps1_new == 1)
 711		sumo_smu_notify_alt_vddnb_change(rdev, 1, 1);
 712}
 713
 714static void sumo_enable_boost(struct radeon_device *rdev,
 715			      struct radeon_ps *rps,
 716			      bool enable)
 717{
 718	struct sumo_ps *new_ps = sumo_get_ps(rps);
 719
 720	if (enable) {
 721		if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 722			sumo_boost_state_enable(rdev, true);
 723	} else
 724		sumo_boost_state_enable(rdev, false);
 725}
 726
 727static void sumo_set_forced_level(struct radeon_device *rdev, u32 index)
 728{
 729	WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_SCLK_STATE(index), ~FORCE_SCLK_STATE_MASK);
 730}
 731
 732static void sumo_set_forced_level_0(struct radeon_device *rdev)
 733{
 734	sumo_set_forced_level(rdev, 0);
 735}
 736
 737static void sumo_program_wl(struct radeon_device *rdev,
 738			    struct radeon_ps *rps)
 739{
 740	struct sumo_ps *new_ps = sumo_get_ps(rps);
 741	u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4);
 742
 743	dpm_ctrl4 &= 0xFFFFFF00;
 744	dpm_ctrl4 |= (1 << (new_ps->num_levels - 1));
 745
 746	if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 747		dpm_ctrl4 |= (1 << BOOST_DPM_LEVEL);
 748
 749	WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4);
 750}
 751
 752static void sumo_program_power_levels_0_to_n(struct radeon_device *rdev,
 753					     struct radeon_ps *new_rps,
 754					     struct radeon_ps *old_rps)
 755{
 756	struct sumo_power_info *pi = sumo_get_pi(rdev);
 757	struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 758	struct sumo_ps *old_ps = sumo_get_ps(old_rps);
 759	u32 i;
 760	u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels;
 761
 762	for (i = 0; i < new_ps->num_levels; i++) {
 763		sumo_program_power_level(rdev, &new_ps->levels[i], i);
 764		sumo_power_level_enable(rdev, i, true);
 765	}
 766
 767	for (i = new_ps->num_levels; i < n_current_state_levels; i++)
 768		sumo_power_level_enable(rdev, i, false);
 769
 770	if (new_ps->flags & SUMO_POWERSTATE_FLAGS_BOOST_STATE)
 771		sumo_program_power_level(rdev, &pi->boost_pl, BOOST_DPM_LEVEL);
 772}
 773
 774static void sumo_enable_acpi_pm(struct radeon_device *rdev)
 775{
 776	WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
 777}
 778
 779static void sumo_program_power_level_enter_state(struct radeon_device *rdev)
 780{
 781	WREG32_P(CG_SCLK_DPM_CTRL_5, SCLK_FSTATE_BOOTUP(0), ~SCLK_FSTATE_BOOTUP_MASK);
 782}
 783
 784static void sumo_program_acpi_power_level(struct radeon_device *rdev)
 785{
 786	struct sumo_power_info *pi = sumo_get_pi(rdev);
 787	struct atom_clock_dividers dividers;
 788	int ret;
 789
 790	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
 791					     pi->acpi_pl.sclk,
 792					     false, &dividers);
 793	if (ret)
 794		return;
 795
 796	WREG32_P(CG_ACPI_CNTL, SCLK_ACPI_DIV(dividers.post_div), ~SCLK_ACPI_DIV_MASK);
 797	WREG32_P(CG_ACPI_VOLTAGE_CNTL, 0, ~ACPI_VOLTAGE_EN);
 798}
 799
 800static void sumo_program_bootup_state(struct radeon_device *rdev)
 801{
 802	struct sumo_power_info *pi = sumo_get_pi(rdev);
 803	u32 dpm_ctrl4 = RREG32(CG_SCLK_DPM_CTRL_4);
 804	u32 i;
 805
 806	sumo_program_power_level(rdev, &pi->boot_pl, 0);
 807
 808	dpm_ctrl4 &= 0xFFFFFF00;
 809	WREG32(CG_SCLK_DPM_CTRL_4, dpm_ctrl4);
 810
 811	for (i = 1; i < 8; i++)
 812		sumo_power_level_enable(rdev, i, false);
 813}
 814
 815static void sumo_setup_uvd_clocks(struct radeon_device *rdev,
 816				  struct radeon_ps *new_rps,
 817				  struct radeon_ps *old_rps)
 818{
 819	struct sumo_power_info *pi = sumo_get_pi(rdev);
 820
 821	if (pi->enable_gfx_power_gating) {
 822		sumo_gfx_powergating_enable(rdev, false);
 823	}
 824
 825	radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk);
 826
 827	if (pi->enable_gfx_power_gating) {
 828		if (!pi->disable_gfx_power_gating_in_uvd ||
 829		    !r600_is_uvd_state(new_rps->class, new_rps->class2))
 830			sumo_gfx_powergating_enable(rdev, true);
 831	}
 832}
 833
 834static void sumo_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
 835						    struct radeon_ps *new_rps,
 836						    struct radeon_ps *old_rps)
 837{
 838	struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 839	struct sumo_ps *current_ps = sumo_get_ps(old_rps);
 840
 841	if ((new_rps->vclk == old_rps->vclk) &&
 842	    (new_rps->dclk == old_rps->dclk))
 843		return;
 844
 845	if (new_ps->levels[new_ps->num_levels - 1].sclk >=
 846	    current_ps->levels[current_ps->num_levels - 1].sclk)
 847		return;
 848
 849	sumo_setup_uvd_clocks(rdev, new_rps, old_rps);
 850}
 851
 852static void sumo_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
 853						   struct radeon_ps *new_rps,
 854						   struct radeon_ps *old_rps)
 855{
 856	struct sumo_ps *new_ps = sumo_get_ps(new_rps);
 857	struct sumo_ps *current_ps = sumo_get_ps(old_rps);
 858
 859	if ((new_rps->vclk == old_rps->vclk) &&
 860	    (new_rps->dclk == old_rps->dclk))
 861		return;
 862
 863	if (new_ps->levels[new_ps->num_levels - 1].sclk <
 864	    current_ps->levels[current_ps->num_levels - 1].sclk)
 865		return;
 866
 867	sumo_setup_uvd_clocks(rdev, new_rps, old_rps);
 868}
 869
 870void sumo_take_smu_control(struct radeon_device *rdev, bool enable)
 871{
 872/* This bit selects who handles display phy powergating.
 873 * Clear the bit to let atom handle it.
 874 * Set it to let the driver handle it.
 875 * For now we just let atom handle it.
 876 */
 877#if 0
 878	u32 v = RREG32(DOUT_SCRATCH3);
 879
 880	if (enable)
 881		v |= 0x4;
 882	else
 883		v &= 0xFFFFFFFB;
 884
 885	WREG32(DOUT_SCRATCH3, v);
 886#endif
 887}
 888
 889static void sumo_enable_sclk_ds(struct radeon_device *rdev, bool enable)
 890{
 891	if (enable) {
 892		u32 deep_sleep_cntl = RREG32(DEEP_SLEEP_CNTL);
 893		u32 deep_sleep_cntl2 = RREG32(DEEP_SLEEP_CNTL2);
 894		u32 t = 1;
 895
 896		deep_sleep_cntl &= ~R_DIS;
 897		deep_sleep_cntl &= ~HS_MASK;
 898		deep_sleep_cntl |= HS(t > 4095 ? 4095 : t);
 899
 900		deep_sleep_cntl2 |= LB_UFP_EN;
 901		deep_sleep_cntl2 &= INOUT_C_MASK;
 902		deep_sleep_cntl2 |= INOUT_C(0xf);
 903
 904		WREG32(DEEP_SLEEP_CNTL2, deep_sleep_cntl2);
 905		WREG32(DEEP_SLEEP_CNTL, deep_sleep_cntl);
 906	} else
 907		WREG32_P(DEEP_SLEEP_CNTL, 0, ~ENABLE_DS);
 908}
 909
 910static void sumo_program_bootup_at(struct radeon_device *rdev)
 911{
 912	WREG32_P(CG_AT_0, CG_R(0xffff), ~CG_R_MASK);
 913	WREG32_P(CG_AT_0, CG_L(0), ~CG_L_MASK);
 914}
 915
 916static void sumo_reset_am(struct radeon_device *rdev)
 917{
 918	WREG32_P(SCLK_PWRMGT_CNTL, FIR_RESET, ~FIR_RESET);
 919}
 920
 921static void sumo_start_am(struct radeon_device *rdev)
 922{
 923	WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_RESET);
 924}
 925
 926static void sumo_program_ttp(struct radeon_device *rdev)
 927{
 928	u32 xclk = radeon_get_xclk(rdev);
 929	u32 p, u;
 930	u32 cg_sclk_dpm_ctrl_5 = RREG32(CG_SCLK_DPM_CTRL_5);
 931
 932	r600_calculate_u_and_p(1000,
 933			       xclk, 16, &p, &u);
 934
 935	cg_sclk_dpm_ctrl_5 &= ~(TT_TP_MASK | TT_TU_MASK);
 936	cg_sclk_dpm_ctrl_5 |= TT_TP(p) | TT_TU(u);
 937
 938	WREG32(CG_SCLK_DPM_CTRL_5, cg_sclk_dpm_ctrl_5);
 939}
 940
 941static void sumo_program_ttt(struct radeon_device *rdev)
 942{
 943	u32 cg_sclk_dpm_ctrl_3 = RREG32(CG_SCLK_DPM_CTRL_3);
 944	struct sumo_power_info *pi = sumo_get_pi(rdev);
 945
 946	cg_sclk_dpm_ctrl_3 &= ~(GNB_TT_MASK | GNB_THERMTHRO_MASK);
 947	cg_sclk_dpm_ctrl_3 |= GNB_TT(pi->thermal_auto_throttling + 49);
 948
 949	WREG32(CG_SCLK_DPM_CTRL_3, cg_sclk_dpm_ctrl_3);
 950}
 951
 952
 953static void sumo_enable_voltage_scaling(struct radeon_device *rdev, bool enable)
 954{
 955	if (enable) {
 956		WREG32_P(CG_DPM_VOLTAGE_CNTL, DPM_VOLTAGE_EN, ~DPM_VOLTAGE_EN);
 957		WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~CG_VOLTAGE_EN);
 958	} else {
 959		WREG32_P(CG_CG_VOLTAGE_CNTL, CG_VOLTAGE_EN, ~CG_VOLTAGE_EN);
 960		WREG32_P(CG_DPM_VOLTAGE_CNTL, 0, ~DPM_VOLTAGE_EN);
 961	}
 962}
 963
 964static void sumo_override_cnb_thermal_events(struct radeon_device *rdev)
 965{
 966	WREG32_P(CG_SCLK_DPM_CTRL_3, CNB_THERMTHRO_MASK_SCLK,
 967		 ~CNB_THERMTHRO_MASK_SCLK);
 968}
 969
 970static void sumo_program_dc_hto(struct radeon_device *rdev)
 971{
 972	u32 cg_sclk_dpm_ctrl_4 = RREG32(CG_SCLK_DPM_CTRL_4);
 973	u32 p, u;
 974	u32 xclk = radeon_get_xclk(rdev);
 975
 976	r600_calculate_u_and_p(100000,
 977			       xclk, 14, &p, &u);
 978
 979	cg_sclk_dpm_ctrl_4 &= ~(DC_HDC_MASK | DC_HU_MASK);
 980	cg_sclk_dpm_ctrl_4 |= DC_HDC(p) | DC_HU(u);
 981
 982	WREG32(CG_SCLK_DPM_CTRL_4, cg_sclk_dpm_ctrl_4);
 983}
 984
 985static void sumo_force_nbp_state(struct radeon_device *rdev,
 986				 struct radeon_ps *rps)
 987{
 988	struct sumo_power_info *pi = sumo_get_pi(rdev);
 989	struct sumo_ps *new_ps = sumo_get_ps(rps);
 990
 991	if (!pi->driver_nbps_policy_disable) {
 992		if (new_ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)
 993			WREG32_P(CG_SCLK_DPM_CTRL_3, FORCE_NB_PSTATE_1, ~FORCE_NB_PSTATE_1);
 994		else
 995			WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~FORCE_NB_PSTATE_1);
 996	}
 997}
 998
 999u32 sumo_get_sleep_divider_from_id(u32 id)
1000{
1001	return 1 << id;
1002}
1003
1004u32 sumo_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
1005					 u32 sclk,
1006					 u32 min_sclk_in_sr)
1007{
1008	struct sumo_power_info *pi = sumo_get_pi(rdev);
1009	u32 i;
1010	u32 temp;
1011	u32 min = (min_sclk_in_sr > SUMO_MINIMUM_ENGINE_CLOCK) ?
1012		min_sclk_in_sr : SUMO_MINIMUM_ENGINE_CLOCK;
1013
1014	if (sclk < min)
1015		return 0;
1016
1017	if (!pi->enable_sclk_ds)
1018		return 0;
1019
1020	for (i = SUMO_MAX_DEEPSLEEP_DIVIDER_ID;  ; i--) {
1021		temp = sclk / sumo_get_sleep_divider_from_id(i);
1022
1023		if (temp >= min || i == 0)
1024			break;
1025	}
1026	return i;
1027}
1028
1029static u32 sumo_get_valid_engine_clock(struct radeon_device *rdev,
1030				       u32 lower_limit)
1031{
1032	struct sumo_power_info *pi = sumo_get_pi(rdev);
1033	u32 i;
1034
1035	for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) {
1036		if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit)
1037			return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency;
1038	}
1039
1040	return pi->sys_info.sclk_voltage_mapping_table.entries[pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1].sclk_frequency;
1041}
1042
1043static void sumo_patch_thermal_state(struct radeon_device *rdev,
1044				     struct sumo_ps *ps,
1045				     struct sumo_ps *current_ps)
1046{
1047	struct sumo_power_info *pi = sumo_get_pi(rdev);
1048	u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
1049	u32 current_vddc;
1050	u32 current_sclk;
1051	u32 current_index = 0;
1052
1053	if (current_ps) {
1054		current_vddc = current_ps->levels[current_index].vddc_index;
1055		current_sclk = current_ps->levels[current_index].sclk;
1056	} else {
1057		current_vddc = pi->boot_pl.vddc_index;
1058		current_sclk = pi->boot_pl.sclk;
1059	}
1060
1061	ps->levels[0].vddc_index = current_vddc;
1062
1063	if (ps->levels[0].sclk > current_sclk)
1064		ps->levels[0].sclk = current_sclk;
1065
1066	ps->levels[0].ss_divider_index =
1067		sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr);
1068
1069	ps->levels[0].ds_divider_index =
1070		sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, SUMO_MINIMUM_ENGINE_CLOCK);
1071
1072	if (ps->levels[0].ds_divider_index > ps->levels[0].ss_divider_index + 1)
1073		ps->levels[0].ds_divider_index = ps->levels[0].ss_divider_index + 1;
1074
1075	if (ps->levels[0].ss_divider_index == ps->levels[0].ds_divider_index) {
1076		if (ps->levels[0].ss_divider_index > 1)
1077			ps->levels[0].ss_divider_index = ps->levels[0].ss_divider_index - 1;
1078	}
1079
1080	if (ps->levels[0].ss_divider_index == 0)
1081		ps->levels[0].ds_divider_index = 0;
1082
1083	if (ps->levels[0].ds_divider_index == 0)
1084		ps->levels[0].ss_divider_index = 0;
1085}
1086
1087static void sumo_apply_state_adjust_rules(struct radeon_device *rdev,
1088					  struct radeon_ps *new_rps,
1089					  struct radeon_ps *old_rps)
1090{
1091	struct sumo_ps *ps = sumo_get_ps(new_rps);
1092	struct sumo_ps *current_ps = sumo_get_ps(old_rps);
1093	struct sumo_power_info *pi = sumo_get_pi(rdev);
1094	u32 min_voltage = 0; /* ??? */
1095	u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */
1096	u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
1097	u32 i;
1098
1099	if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1100		return sumo_patch_thermal_state(rdev, ps, current_ps);
1101
1102	if (pi->enable_boost) {
1103		if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE)
1104			ps->flags |= SUMO_POWERSTATE_FLAGS_BOOST_STATE;
1105	}
1106
1107	if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_BATTERY) ||
1108	    (new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) ||
1109	    (new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE))
1110		ps->flags |= SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE;
1111
1112	for (i = 0; i < ps->num_levels; i++) {
1113		if (ps->levels[i].vddc_index < min_voltage)
1114			ps->levels[i].vddc_index = min_voltage;
1115
1116		if (ps->levels[i].sclk < min_sclk)
1117			ps->levels[i].sclk =
1118				sumo_get_valid_engine_clock(rdev, min_sclk);
1119
1120		ps->levels[i].ss_divider_index =
1121			sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr);
1122
1123		ps->levels[i].ds_divider_index =
1124			sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, SUMO_MINIMUM_ENGINE_CLOCK);
1125
1126		if (ps->levels[i].ds_divider_index > ps->levels[i].ss_divider_index + 1)
1127			ps->levels[i].ds_divider_index = ps->levels[i].ss_divider_index + 1;
1128
1129		if (ps->levels[i].ss_divider_index == ps->levels[i].ds_divider_index) {
1130			if (ps->levels[i].ss_divider_index > 1)
1131				ps->levels[i].ss_divider_index = ps->levels[i].ss_divider_index - 1;
1132		}
1133
1134		if (ps->levels[i].ss_divider_index == 0)
1135			ps->levels[i].ds_divider_index = 0;
1136
1137		if (ps->levels[i].ds_divider_index == 0)
1138			ps->levels[i].ss_divider_index = 0;
1139
1140		if (ps->flags & SUMO_POWERSTATE_FLAGS_FORCE_NBPS1_STATE)
1141			ps->levels[i].allow_gnb_slow = 1;
1142		else if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE) ||
1143			 (new_rps->class2 & ATOM_PPLIB_CLASSIFICATION2_MVC))
1144			ps->levels[i].allow_gnb_slow = 0;
1145		else if (i == ps->num_levels - 1)
1146			ps->levels[i].allow_gnb_slow = 0;
1147		else
1148			ps->levels[i].allow_gnb_slow = 1;
1149	}
1150}
1151
1152static void sumo_cleanup_asic(struct radeon_device *rdev)
1153{
1154	sumo_take_smu_control(rdev, false);
1155}
1156
1157static int sumo_set_thermal_temperature_range(struct radeon_device *rdev,
1158					      int min_temp, int max_temp)
1159{
1160	int low_temp = 0 * 1000;
1161	int high_temp = 255 * 1000;
1162
1163	if (low_temp < min_temp)
1164		low_temp = min_temp;
1165	if (high_temp > max_temp)
1166		high_temp = max_temp;
1167	if (high_temp < low_temp) {
1168		DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
1169		return -EINVAL;
1170	}
1171
1172	WREG32_P(CG_THERMAL_INT, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK);
1173	WREG32_P(CG_THERMAL_INT, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK);
1174
1175	rdev->pm.dpm.thermal.min_temp = low_temp;
1176	rdev->pm.dpm.thermal.max_temp = high_temp;
1177
1178	return 0;
1179}
1180
1181static void sumo_update_current_ps(struct radeon_device *rdev,
1182				   struct radeon_ps *rps)
1183{
1184	struct sumo_ps *new_ps = sumo_get_ps(rps);
1185	struct sumo_power_info *pi = sumo_get_pi(rdev);
1186
1187	pi->current_rps = *rps;
1188	pi->current_ps = *new_ps;
1189	pi->current_rps.ps_priv = &pi->current_ps;
1190}
1191
1192static void sumo_update_requested_ps(struct radeon_device *rdev,
1193				     struct radeon_ps *rps)
1194{
1195	struct sumo_ps *new_ps = sumo_get_ps(rps);
1196	struct sumo_power_info *pi = sumo_get_pi(rdev);
1197
1198	pi->requested_rps = *rps;
1199	pi->requested_ps = *new_ps;
1200	pi->requested_rps.ps_priv = &pi->requested_ps;
1201}
1202
1203int sumo_dpm_enable(struct radeon_device *rdev)
1204{
1205	struct sumo_power_info *pi = sumo_get_pi(rdev);
1206
1207	if (sumo_dpm_enabled(rdev))
1208		return -EINVAL;
1209
1210	sumo_program_bootup_state(rdev);
1211	sumo_init_bsp(rdev);
1212	sumo_reset_am(rdev);
1213	sumo_program_tp(rdev);
1214	sumo_program_bootup_at(rdev);
1215	sumo_start_am(rdev);
1216	if (pi->enable_auto_thermal_throttling) {
1217		sumo_program_ttp(rdev);
1218		sumo_program_ttt(rdev);
1219	}
1220	sumo_program_dc_hto(rdev);
1221	sumo_program_power_level_enter_state(rdev);
1222	sumo_enable_voltage_scaling(rdev, true);
1223	sumo_program_sstp(rdev);
1224	sumo_program_vc(rdev, SUMO_VRC_DFLT);
1225	sumo_override_cnb_thermal_events(rdev);
1226	sumo_start_dpm(rdev);
1227	sumo_wait_for_level_0(rdev);
1228	if (pi->enable_sclk_ds)
1229		sumo_enable_sclk_ds(rdev, true);
1230	if (pi->enable_boost)
1231		sumo_enable_boost_timer(rdev);
1232
1233	sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
1234
1235	return 0;
1236}
1237
1238int sumo_dpm_late_enable(struct radeon_device *rdev)
1239{
1240	int ret;
1241
1242	ret = sumo_enable_clock_power_gating(rdev);
1243	if (ret)
1244		return ret;
1245
1246	if (rdev->irq.installed &&
1247	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1248		ret = sumo_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
1249		if (ret)
1250			return ret;
1251		rdev->irq.dpm_thermal = true;
1252		radeon_irq_set(rdev);
1253	}
1254
1255	return 0;
1256}
1257
1258void sumo_dpm_disable(struct radeon_device *rdev)
1259{
1260	struct sumo_power_info *pi = sumo_get_pi(rdev);
1261
1262	if (!sumo_dpm_enabled(rdev))
1263		return;
1264	sumo_disable_clock_power_gating(rdev);
1265	if (pi->enable_sclk_ds)
1266		sumo_enable_sclk_ds(rdev, false);
1267	sumo_clear_vc(rdev);
1268	sumo_wait_for_level_0(rdev);
1269	sumo_stop_dpm(rdev);
1270	sumo_enable_voltage_scaling(rdev, false);
1271
1272	if (rdev->irq.installed &&
1273	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
1274		rdev->irq.dpm_thermal = false;
1275		radeon_irq_set(rdev);
1276	}
1277
1278	sumo_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
1279}
1280
1281int sumo_dpm_pre_set_power_state(struct radeon_device *rdev)
1282{
1283	struct sumo_power_info *pi = sumo_get_pi(rdev);
1284	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
1285	struct radeon_ps *new_ps = &requested_ps;
1286
1287	sumo_update_requested_ps(rdev, new_ps);
1288
1289	if (pi->enable_dynamic_patch_ps)
1290		sumo_apply_state_adjust_rules(rdev,
1291					      &pi->requested_rps,
1292					      &pi->current_rps);
1293
1294	return 0;
1295}
1296
1297int sumo_dpm_set_power_state(struct radeon_device *rdev)
1298{
1299	struct sumo_power_info *pi = sumo_get_pi(rdev);
1300	struct radeon_ps *new_ps = &pi->requested_rps;
1301	struct radeon_ps *old_ps = &pi->current_rps;
1302
1303	if (pi->enable_dpm)
1304		sumo_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
1305	if (pi->enable_boost) {
1306		sumo_enable_boost(rdev, new_ps, false);
1307		sumo_patch_boost_state(rdev, new_ps);
1308	}
1309	if (pi->enable_dpm) {
1310		sumo_pre_notify_alt_vddnb_change(rdev, new_ps, old_ps);
1311		sumo_enable_power_level_0(rdev);
1312		sumo_set_forced_level_0(rdev);
1313		sumo_set_forced_mode_enabled(rdev);
1314		sumo_wait_for_level_0(rdev);
1315		sumo_program_power_levels_0_to_n(rdev, new_ps, old_ps);
1316		sumo_program_wl(rdev, new_ps);
1317		sumo_program_bsp(rdev, new_ps);
1318		sumo_program_at(rdev, new_ps);
1319		sumo_force_nbp_state(rdev, new_ps);
1320		sumo_set_forced_mode_disabled(rdev);
1321		sumo_set_forced_mode_enabled(rdev);
1322		sumo_set_forced_mode_disabled(rdev);
1323		sumo_post_notify_alt_vddnb_change(rdev, new_ps, old_ps);
1324	}
1325	if (pi->enable_boost)
1326		sumo_enable_boost(rdev, new_ps, true);
1327	if (pi->enable_dpm)
1328		sumo_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
1329
1330	return 0;
1331}
1332
1333void sumo_dpm_post_set_power_state(struct radeon_device *rdev)
1334{
1335	struct sumo_power_info *pi = sumo_get_pi(rdev);
1336	struct radeon_ps *new_ps = &pi->requested_rps;
1337
1338	sumo_update_current_ps(rdev, new_ps);
1339}
1340
1341#if 0
1342void sumo_dpm_reset_asic(struct radeon_device *rdev)
1343{
1344	sumo_program_bootup_state(rdev);
1345	sumo_enable_power_level_0(rdev);
1346	sumo_set_forced_level_0(rdev);
1347	sumo_set_forced_mode_enabled(rdev);
1348	sumo_wait_for_level_0(rdev);
1349	sumo_set_forced_mode_disabled(rdev);
1350	sumo_set_forced_mode_enabled(rdev);
1351	sumo_set_forced_mode_disabled(rdev);
1352}
1353#endif
1354
1355void sumo_dpm_setup_asic(struct radeon_device *rdev)
1356{
1357	struct sumo_power_info *pi = sumo_get_pi(rdev);
1358
1359	sumo_initialize_m3_arb(rdev);
1360	pi->fw_version = sumo_get_running_fw_version(rdev);
1361	DRM_INFO("Found smc ucode version: 0x%08x\n", pi->fw_version);
1362	sumo_program_acpi_power_level(rdev);
1363	sumo_enable_acpi_pm(rdev);
1364	sumo_take_smu_control(rdev, true);
1365}
1366
1367void sumo_dpm_display_configuration_changed(struct radeon_device *rdev)
1368{
1369
1370}
1371
1372union power_info {
1373	struct _ATOM_POWERPLAY_INFO info;
1374	struct _ATOM_POWERPLAY_INFO_V2 info_2;
1375	struct _ATOM_POWERPLAY_INFO_V3 info_3;
1376	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
1377	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
1378	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
1379};
1380
1381union pplib_clock_info {
1382	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
1383	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
1384	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
1385	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
1386};
1387
1388union pplib_power_state {
1389	struct _ATOM_PPLIB_STATE v1;
1390	struct _ATOM_PPLIB_STATE_V2 v2;
1391};
1392
1393static void sumo_patch_boot_state(struct radeon_device *rdev,
1394				  struct sumo_ps *ps)
1395{
1396	struct sumo_power_info *pi = sumo_get_pi(rdev);
1397
1398	ps->num_levels = 1;
1399	ps->flags = 0;
1400	ps->levels[0] = pi->boot_pl;
1401}
1402
1403static void sumo_parse_pplib_non_clock_info(struct radeon_device *rdev,
1404					    struct radeon_ps *rps,
1405					    struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
1406					    u8 table_rev)
1407{
1408	struct sumo_ps *ps = sumo_get_ps(rps);
1409
1410	rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
1411	rps->class = le16_to_cpu(non_clock_info->usClassification);
1412	rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
1413
1414	if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
1415		rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
1416		rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
1417	} else {
1418		rps->vclk = 0;
1419		rps->dclk = 0;
1420	}
1421
1422	if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
1423		rdev->pm.dpm.boot_ps = rps;
1424		sumo_patch_boot_state(rdev, ps);
1425	}
1426	if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
1427		rdev->pm.dpm.uvd_ps = rps;
1428}
1429
1430static void sumo_parse_pplib_clock_info(struct radeon_device *rdev,
1431					struct radeon_ps *rps, int index,
1432					union pplib_clock_info *clock_info)
1433{
1434	struct sumo_power_info *pi = sumo_get_pi(rdev);
1435	struct sumo_ps *ps = sumo_get_ps(rps);
1436	struct sumo_pl *pl = &ps->levels[index];
1437	u32 sclk;
1438
1439	sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
1440	sclk |= clock_info->sumo.ucEngineClockHigh << 16;
1441	pl->sclk = sclk;
1442	pl->vddc_index = clock_info->sumo.vddcIndex;
1443	pl->sclk_dpm_tdp_limit = clock_info->sumo.tdpLimit;
1444
1445	ps->num_levels = index + 1;
1446
1447	if (pi->enable_sclk_ds) {
1448		pl->ds_divider_index = 5;
1449		pl->ss_divider_index = 4;
1450	}
1451}
1452
1453static int sumo_parse_power_table(struct radeon_device *rdev)
1454{
1455	struct radeon_mode_info *mode_info = &rdev->mode_info;
1456	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
1457	union pplib_power_state *power_state;
1458	int i, j, k, non_clock_array_index, clock_array_index;
1459	union pplib_clock_info *clock_info;
1460	struct _StateArray *state_array;
1461	struct _ClockInfoArray *clock_info_array;
1462	struct _NonClockInfoArray *non_clock_info_array;
1463	union power_info *power_info;
1464	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
1465	u16 data_offset;
1466	u8 frev, crev;
1467	u8 *power_state_offset;
1468	struct sumo_ps *ps;
1469
1470	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
1471				   &frev, &crev, &data_offset))
1472		return -EINVAL;
1473	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
1474
1475	state_array = (struct _StateArray *)
1476		(mode_info->atom_context->bios + data_offset +
1477		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
1478	clock_info_array = (struct _ClockInfoArray *)
1479		(mode_info->atom_context->bios + data_offset +
1480		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
1481	non_clock_info_array = (struct _NonClockInfoArray *)
1482		(mode_info->atom_context->bios + data_offset +
1483		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
1484
1485	rdev->pm.dpm.ps = kzalloc(sizeof(struct radeon_ps) *
1486				  state_array->ucNumEntries, 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}
v6.2
   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
1868u16 sumo_dpm_get_current_vddc(struct radeon_device *rdev)
1869{
1870	struct sumo_power_info *pi = sumo_get_pi(rdev);
1871	struct radeon_ps *rps = &pi->current_rps;
1872	struct sumo_ps *ps = sumo_get_ps(rps);
1873	struct sumo_pl *pl;
1874	u32 current_index =
1875		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >>
1876		CURR_INDEX_SHIFT;
1877
1878	if (current_index == BOOST_DPM_LEVEL) {
1879		pl = &pi->boost_pl;
1880	} else if (current_index >= ps->num_levels) {
1881		return 0;
1882	} else {
1883		pl = &ps->levels[current_index];
1884	}
1885	return sumo_convert_voltage_index_to_value(rdev, pl->vddc_index);
1886}
1887
1888void sumo_dpm_fini(struct radeon_device *rdev)
1889{
1890	int i;
1891
1892	sumo_cleanup_asic(rdev); /* ??? */
1893
1894	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
1895		kfree(rdev->pm.dpm.ps[i].ps_priv);
1896	}
1897	kfree(rdev->pm.dpm.ps);
1898	kfree(rdev->pm.dpm.priv);
1899}
1900
1901u32 sumo_dpm_get_sclk(struct radeon_device *rdev, bool low)
1902{
1903	struct sumo_power_info *pi = sumo_get_pi(rdev);
1904	struct sumo_ps *requested_state = sumo_get_ps(&pi->requested_rps);
1905
1906	if (low)
1907		return requested_state->levels[0].sclk;
1908	else
1909		return requested_state->levels[requested_state->num_levels - 1].sclk;
1910}
1911
1912u32 sumo_dpm_get_mclk(struct radeon_device *rdev, bool low)
1913{
1914	struct sumo_power_info *pi = sumo_get_pi(rdev);
1915
1916	return pi->sys_info.bootup_uma_clk;
1917}
1918
1919int sumo_dpm_force_performance_level(struct radeon_device *rdev,
1920				     enum radeon_dpm_forced_level level)
1921{
1922	struct sumo_power_info *pi = sumo_get_pi(rdev);
1923	struct radeon_ps *rps = &pi->current_rps;
1924	struct sumo_ps *ps = sumo_get_ps(rps);
1925	int i;
1926
1927	if (ps->num_levels <= 1)
1928		return 0;
1929
1930	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
1931		if (pi->enable_boost)
1932			sumo_enable_boost(rdev, rps, false);
1933		sumo_power_level_enable(rdev, ps->num_levels - 1, true);
1934		sumo_set_forced_level(rdev, ps->num_levels - 1);
1935		sumo_set_forced_mode_enabled(rdev);
1936		for (i = 0; i < ps->num_levels - 1; i++) {
1937			sumo_power_level_enable(rdev, i, false);
1938		}
1939		sumo_set_forced_mode(rdev, false);
1940		sumo_set_forced_mode_enabled(rdev);
1941		sumo_set_forced_mode(rdev, false);
1942	} else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {
1943		if (pi->enable_boost)
1944			sumo_enable_boost(rdev, rps, false);
1945		sumo_power_level_enable(rdev, 0, true);
1946		sumo_set_forced_level(rdev, 0);
1947		sumo_set_forced_mode_enabled(rdev);
1948		for (i = 1; i < ps->num_levels; i++) {
1949			sumo_power_level_enable(rdev, i, false);
1950		}
1951		sumo_set_forced_mode(rdev, false);
1952		sumo_set_forced_mode_enabled(rdev);
1953		sumo_set_forced_mode(rdev, false);
1954	} else {
1955		for (i = 0; i < ps->num_levels; i++) {
1956			sumo_power_level_enable(rdev, i, true);
1957		}
1958		if (pi->enable_boost)
1959			sumo_enable_boost(rdev, rps, true);
1960	}
1961
1962	rdev->pm.dpm.forced_level = level;
1963
1964	return 0;
1965}