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Linux 4.2.1
[linux/fpc-iii.git] / drivers / gpu / drm / radeon / sumo_dpm.c
blobcd0862809adff2f2749f90eff0b85007cc5e1d4f
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
37 static 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
56 static 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
75 static 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
82 struct 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
89 static 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
104 static 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
121 static 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
132 static 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
143 void sumo_gfx_clockgating_initialize(struct radeon_device *rdev)
144 {
145 sumo_program_git(rdev);
146 sumo_program_grsd(rdev);
147 }
148
149 static 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
275 static 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
285 static 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
303 static 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
315 static 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
334 static 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
342 static 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
364 static 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
385 static 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
431 static 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
453 void sumo_program_vc(struct radeon_device *rdev, u32 vrc)
454 {
455 WREG32(CG_FTV, vrc);
456 }
457
458 void sumo_clear_vc(struct radeon_device *rdev)
459 {
460 WREG32(CG_FTV, 0);
461 }
462
463 void 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
474 static 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
494 static 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
508 static 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
522 static 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
531 static 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
547 static 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
581 static 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
600 static 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
608 static 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
613 static void sumo_stop_dpm(struct radeon_device *rdev)
614 {
615 WREG32_P(CG_SCLK_DPM_CTRL_3, 0, ~DPM_SCLK_ENABLE);
616 }
617
618 static 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
626 static 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
638 static 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
654 static void sumo_set_forced_mode_disabled(struct radeon_device *rdev)
655 {
656 sumo_set_forced_mode(rdev, false);
657 }
658
659 static void sumo_enable_power_level_0(struct radeon_device *rdev)
660 {
661 sumo_power_level_enable(rdev, 0, true);
662 }
663
664 static 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
678 static 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
696 static 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
714 static 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
727 static 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
732 static void sumo_set_forced_level_0(struct radeon_device *rdev)
733 {
734 sumo_set_forced_level(rdev, 0);
735 }
736
737 static 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
752 static 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
774 static void sumo_enable_acpi_pm(struct radeon_device *rdev)
775 {
776 WREG32_P(GENERAL_PWRMGT, STATIC_PM_EN, ~STATIC_PM_EN);
777 }
778
779 static 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
784 static 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
800 static 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
815 static 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
834 static 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
852 static 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
870 void 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
889 static 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
910 static 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
916 static void sumo_reset_am(struct radeon_device *rdev)
917 {
918 WREG32_P(SCLK_PWRMGT_CNTL, FIR_RESET, ~FIR_RESET);
919 }
920
921 static void sumo_start_am(struct radeon_device *rdev)
922 {
923 WREG32_P(SCLK_PWRMGT_CNTL, 0, ~FIR_RESET);
924 }
925
926 static 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
941 static 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
953 static 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
964 static 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
970 static 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
985 static 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
999 u32 sumo_get_sleep_divider_from_id(u32 id)
1000 {
1001 return 1 << id;
1002 }
1003
1004 u32 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
1029 static 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
1043 static 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
1087 static 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
1152 static void sumo_cleanup_asic(struct radeon_device *rdev)
1153 {
1154 sumo_take_smu_control(rdev, false);
1155 }
1156
1157 static 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
1181 static 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
1192 static 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
1203 int 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
1238 int 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
1258 void 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
1281 int 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
1297 int 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
1333 void 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
1342 void 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
1355 void 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
1367 void sumo_dpm_display_configuration_changed(struct radeon_device *rdev)
1368 {
1369
1370 }
1371
1372 union 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
1381 union 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
1388 union pplib_power_state {
1389 struct _ATOM_PPLIB_STATE v1;
1390 struct _ATOM_PPLIB_STATE_V2 v2;
1391 };
1392
1393 static 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
1403 static 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
1430 static 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
1453 static 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
1528 u32 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
1543 u32 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
1558 static 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
1570 static 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
1592 void 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
1614 void 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
1648 union 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
1655 static 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
1726 static 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
1740 int 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
1794 void 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
1812 void 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
1840 u32 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
1861 u32 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
1868 void 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
1881 u32 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
1892 u32 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
1899 int 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 }
Linux with added FPC-III support