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[linux.git] / tools / power / x86 / intel-speed-select / isst-core.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Intel Speed Select -- Enumerate and control features
4  * Copyright (c) 2019 Intel Corporation.
5  */
6
7 #include "isst.h"
8
9 int isst_get_ctdp_levels(int cpu, struct isst_pkg_ctdp *pkg_dev)
10 {
11         unsigned int resp;
12         int ret;
13
14         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
15                                      CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
16         if (ret)
17                 return ret;
18
19         debug_printf("cpu:%d CONFIG_TDP_GET_LEVELS_INFO resp:%x\n", cpu, resp);
20
21         pkg_dev->version = resp & 0xff;
22         pkg_dev->levels = (resp >> 8) & 0xff;
23         pkg_dev->current_level = (resp >> 16) & 0xff;
24         pkg_dev->locked = !!(resp & BIT(24));
25         pkg_dev->enabled = !!(resp & BIT(31));
26
27         return 0;
28 }
29
30 int isst_get_ctdp_control(int cpu, int config_index,
31                           struct isst_pkg_ctdp_level_info *ctdp_level)
32 {
33         unsigned int resp;
34         int ret;
35
36         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
37                                      CONFIG_TDP_GET_TDP_CONTROL, 0,
38                                      config_index, &resp);
39         if (ret)
40                 return ret;
41
42         ctdp_level->fact_support = resp & BIT(0);
43         ctdp_level->pbf_support = !!(resp & BIT(1));
44         ctdp_level->fact_enabled = !!(resp & BIT(16));
45         ctdp_level->pbf_enabled = !!(resp & BIT(17));
46
47         debug_printf(
48                 "cpu:%d CONFIG_TDP_GET_TDP_CONTROL resp:%x fact_support:%d pbf_support: %d fact_enabled:%d pbf_enabled:%d\n",
49                 cpu, resp, ctdp_level->fact_support, ctdp_level->pbf_support,
50                 ctdp_level->fact_enabled, ctdp_level->pbf_enabled);
51
52         return 0;
53 }
54
55 int isst_get_tdp_info(int cpu, int config_index,
56                       struct isst_pkg_ctdp_level_info *ctdp_level)
57 {
58         unsigned int resp;
59         int ret;
60
61         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
62                                      0, config_index, &resp);
63         if (ret)
64                 return ret;
65
66         ctdp_level->pkg_tdp = resp & GENMASK(14, 0);
67         ctdp_level->tdp_ratio = (resp & GENMASK(23, 16)) >> 16;
68
69         debug_printf(
70                 "cpu:%d ctdp:%d CONFIG_TDP_GET_TDP_INFO resp:%x tdp_ratio:%d pkg_tdp:%d\n",
71                 cpu, config_index, resp, ctdp_level->tdp_ratio,
72                 ctdp_level->pkg_tdp);
73         return 0;
74 }
75
76 int isst_get_pwr_info(int cpu, int config_index,
77                       struct isst_pkg_ctdp_level_info *ctdp_level)
78 {
79         unsigned int resp;
80         int ret;
81
82         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
83                                      0, config_index, &resp);
84         if (ret)
85                 return ret;
86
87         ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
88         ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
89
90         debug_printf(
91                 "cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
92                 cpu, config_index, resp, ctdp_level->pkg_max_power,
93                 ctdp_level->pkg_min_power);
94
95         return 0;
96 }
97
98 int isst_get_tjmax_info(int cpu, int config_index,
99                         struct isst_pkg_ctdp_level_info *ctdp_level)
100 {
101         unsigned int resp;
102         int ret;
103
104         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
105                                      0, config_index, &resp);
106         if (ret)
107                 return ret;
108
109         ctdp_level->t_proc_hot = resp & GENMASK(7, 0);
110
111         debug_printf(
112                 "cpu:%d ctdp:%d CONFIG_TDP_GET_TJMAX_INFO resp:%x t_proc_hot:%d\n",
113                 cpu, config_index, resp, ctdp_level->t_proc_hot);
114
115         return 0;
116 }
117
118 int isst_get_coremask_info(int cpu, int config_index,
119                            struct isst_pkg_ctdp_level_info *ctdp_level)
120 {
121         unsigned int resp;
122         int i, ret;
123
124         ctdp_level->cpu_count = 0;
125         for (i = 0; i < 2; ++i) {
126                 unsigned long long mask;
127                 int cpu_count = 0;
128
129                 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
130                                              CONFIG_TDP_GET_CORE_MASK, 0,
131                                              (i << 8) | config_index, &resp);
132                 if (ret)
133                         return ret;
134
135                 debug_printf(
136                         "cpu:%d ctdp:%d mask:%d CONFIG_TDP_GET_CORE_MASK resp:%x\n",
137                         cpu, config_index, i, resp);
138
139                 mask = (unsigned long long)resp << (32 * i);
140                 set_cpu_mask_from_punit_coremask(cpu, mask,
141                                                  ctdp_level->core_cpumask_size,
142                                                  ctdp_level->core_cpumask,
143                                                  &cpu_count);
144                 ctdp_level->cpu_count += cpu_count;
145                 debug_printf("cpu:%d ctdp:%d mask:%d cpu count:%d\n", cpu,
146                              config_index, i, ctdp_level->cpu_count);
147         }
148
149         return 0;
150 }
151
152 int isst_get_get_trl(int cpu, int level, int avx_level, int *trl)
153 {
154         unsigned int req, resp;
155         int ret;
156
157         req = level | (avx_level << 16);
158         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
159                                      CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
160                                      &resp);
161         if (ret)
162                 return ret;
163
164         debug_printf(
165                 "cpu:%d CONFIG_TDP_GET_TURBO_LIMIT_RATIOS req:%x resp:%x\n",
166                 cpu, req, resp);
167
168         trl[0] = resp & GENMASK(7, 0);
169         trl[1] = (resp & GENMASK(15, 8)) >> 8;
170         trl[2] = (resp & GENMASK(23, 16)) >> 16;
171         trl[3] = (resp & GENMASK(31, 24)) >> 24;
172
173         req = level | BIT(8) | (avx_level << 16);
174         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
175                                      CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
176                                      &resp);
177         if (ret)
178                 return ret;
179
180         debug_printf("cpu:%d CONFIG_TDP_GET_TURBO_LIMIT req:%x resp:%x\n", cpu,
181                      req, resp);
182
183         trl[4] = resp & GENMASK(7, 0);
184         trl[5] = (resp & GENMASK(15, 8)) >> 8;
185         trl[6] = (resp & GENMASK(23, 16)) >> 16;
186         trl[7] = (resp & GENMASK(31, 24)) >> 24;
187
188         return 0;
189 }
190
191 int isst_get_trl_bucket_info(int cpu, unsigned long long *buckets_info)
192 {
193         int ret;
194
195         debug_printf("cpu:%d bucket info via MSR\n", cpu);
196
197         *buckets_info = 0;
198
199         ret = isst_send_msr_command(cpu, 0x1ae, 0, buckets_info);
200         if (ret)
201                 return ret;
202
203         debug_printf("cpu:%d bucket info via MSR successful 0x%llx\n", cpu,
204                      *buckets_info);
205
206         return 0;
207 }
208
209 int isst_set_tdp_level_msr(int cpu, int tdp_level)
210 {
211         unsigned long long level = tdp_level;
212         int ret;
213
214         debug_printf("cpu: tdp_level via MSR %d\n", cpu, tdp_level);
215
216         if (isst_get_config_tdp_lock_status(cpu)) {
217                 debug_printf("cpu: tdp_locked %d\n", cpu);
218                 return -1;
219         }
220
221         if (tdp_level > 2)
222                 return -1; /* invalid value */
223
224         ret = isst_send_msr_command(cpu, 0x64b, 1, &level);
225         if (ret)
226                 return ret;
227
228         debug_printf("cpu: tdp_level via MSR successful %d\n", cpu, tdp_level);
229
230         return 0;
231 }
232
233 int isst_set_tdp_level(int cpu, int tdp_level)
234 {
235         unsigned int resp;
236         int ret;
237
238         ret = isst_send_mbox_command(cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
239                                      tdp_level, &resp);
240         if (ret)
241                 return isst_set_tdp_level_msr(cpu, tdp_level);
242
243         return 0;
244 }
245
246 int isst_get_pbf_info(int cpu, int level, struct isst_pbf_info *pbf_info)
247 {
248         unsigned int req, resp;
249         int i, ret;
250
251         pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
252
253         for (i = 0; i < 2; ++i) {
254                 unsigned long long mask;
255                 int count;
256
257                 ret = isst_send_mbox_command(cpu, CONFIG_TDP,
258                                              CONFIG_TDP_PBF_GET_CORE_MASK_INFO,
259                                              0, (i << 8) | level, &resp);
260                 if (ret)
261                         return ret;
262
263                 debug_printf(
264                         "cpu:%d CONFIG_TDP_PBF_GET_CORE_MASK_INFO resp:%x\n",
265                         cpu, resp);
266
267                 mask = (unsigned long long)resp << (32 * i);
268                 set_cpu_mask_from_punit_coremask(cpu, mask,
269                                                  pbf_info->core_cpumask_size,
270                                                  pbf_info->core_cpumask,
271                                                  &count);
272         }
273
274         req = level;
275         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
276                                      CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO, 0, req,
277                                      &resp);
278         if (ret)
279                 return ret;
280
281         debug_printf("cpu:%d CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO resp:%x\n", cpu,
282                      resp);
283
284         pbf_info->p1_low = resp & 0xff;
285         pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
286
287         req = level;
288         ret = isst_send_mbox_command(
289                 cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TDP_INFO, 0, req, &resp);
290         if (ret)
291                 return ret;
292
293         debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TDP_INFO resp:%x\n", cpu, resp);
294
295         pbf_info->tdp = resp & 0xffff;
296
297         req = level;
298         ret = isst_send_mbox_command(
299                 cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TJ_MAX_INFO, 0, req, &resp);
300         if (ret)
301                 return ret;
302
303         debug_printf("cpu:%d CONFIG_TDP_PBF_GET_TJ_MAX_INFO resp:%x\n", cpu,
304                      resp);
305         pbf_info->t_control = (resp >> 8) & 0xff;
306         pbf_info->t_prochot = resp & 0xff;
307
308         return 0;
309 }
310
311 void isst_get_pbf_info_complete(struct isst_pbf_info *pbf_info)
312 {
313         free_cpu_set(pbf_info->core_cpumask);
314 }
315
316 int isst_set_pbf_fact_status(int cpu, int pbf, int enable)
317 {
318         struct isst_pkg_ctdp pkg_dev;
319         struct isst_pkg_ctdp_level_info ctdp_level;
320         int current_level;
321         unsigned int req = 0, resp;
322         int ret;
323
324         ret = isst_get_ctdp_levels(cpu, &pkg_dev);
325         if (ret)
326                 return ret;
327
328         current_level = pkg_dev.current_level;
329
330         ret = isst_get_ctdp_control(cpu, current_level, &ctdp_level);
331         if (ret)
332                 return ret;
333
334         if (pbf) {
335                 if (ctdp_level.fact_enabled)
336                         req = BIT(16);
337
338                 if (enable)
339                         req |= BIT(17);
340                 else
341                         req &= ~BIT(17);
342         } else {
343                 if (ctdp_level.pbf_enabled)
344                         req = BIT(17);
345
346                 if (enable)
347                         req |= BIT(16);
348                 else
349                         req &= ~BIT(16);
350         }
351
352         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
353                                      CONFIG_TDP_SET_TDP_CONTROL, 0, req, &resp);
354         if (ret)
355                 return ret;
356
357         debug_printf("cpu:%d CONFIG_TDP_SET_TDP_CONTROL pbf/fact:%d req:%x\n",
358                      cpu, pbf, req);
359
360         return 0;
361 }
362
363 int isst_get_fact_bucket_info(int cpu, int level,
364                               struct isst_fact_bucket_info *bucket_info)
365 {
366         unsigned int resp;
367         int i, k, ret;
368
369         for (i = 0; i < 2; ++i) {
370                 int j;
371
372                 ret = isst_send_mbox_command(
373                         cpu, CONFIG_TDP,
374                         CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES, 0,
375                         (i << 8) | level, &resp);
376                 if (ret)
377                         return ret;
378
379                 debug_printf(
380                         "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES index:%d level:%d resp:%x\n",
381                         cpu, i, level, resp);
382
383                 for (j = 0; j < 4; ++j) {
384                         bucket_info[j + (i * 4)].high_priority_cores_count =
385                                 (resp >> (j * 8)) & 0xff;
386                 }
387         }
388
389         for (k = 0; k < 3; ++k) {
390                 for (i = 0; i < 2; ++i) {
391                         int j;
392
393                         ret = isst_send_mbox_command(
394                                 cpu, CONFIG_TDP,
395                                 CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS, 0,
396                                 (k << 16) | (i << 8) | level, &resp);
397                         if (ret)
398                                 return ret;
399
400                         debug_printf(
401                                 "cpu:%d CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS index:%d level:%d avx:%d resp:%x\n",
402                                 cpu, i, level, k, resp);
403
404                         for (j = 0; j < 4; ++j) {
405                                 switch (k) {
406                                 case 0:
407                                         bucket_info[j + (i * 4)].sse_trl =
408                                                 (resp >> (j * 8)) & 0xff;
409                                         break;
410                                 case 1:
411                                         bucket_info[j + (i * 4)].avx_trl =
412                                                 (resp >> (j * 8)) & 0xff;
413                                         break;
414                                 case 2:
415                                         bucket_info[j + (i * 4)].avx512_trl =
416                                                 (resp >> (j * 8)) & 0xff;
417                                         break;
418                                 default:
419                                         break;
420                                 }
421                         }
422                 }
423         }
424
425         return 0;
426 }
427
428 int isst_get_fact_info(int cpu, int level, struct isst_fact_info *fact_info)
429 {
430         unsigned int resp;
431         int ret;
432
433         ret = isst_send_mbox_command(cpu, CONFIG_TDP,
434                                      CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO, 0,
435                                      level, &resp);
436         if (ret)
437                 return ret;
438
439         debug_printf("cpu:%d CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO resp:%x\n",
440                      cpu, resp);
441
442         fact_info->lp_clipping_ratio_license_sse = resp & 0xff;
443         fact_info->lp_clipping_ratio_license_avx2 = (resp >> 8) & 0xff;
444         fact_info->lp_clipping_ratio_license_avx512 = (resp >> 16) & 0xff;
445
446         ret = isst_get_fact_bucket_info(cpu, level, fact_info->bucket_info);
447
448         return ret;
449 }
450
451 int isst_set_trl(int cpu, unsigned long long trl)
452 {
453         int ret;
454
455         if (!trl)
456                 trl = 0xFFFFFFFFFFFFFFFFULL;
457
458         ret = isst_send_msr_command(cpu, 0x1AD, 1, &trl);
459         if (ret)
460                 return ret;
461
462         return 0;
463 }
464
465 int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl)
466 {
467         unsigned long long msr_trl;
468         int ret;
469
470         if (trl) {
471                 msr_trl = trl;
472         } else {
473                 struct isst_pkg_ctdp pkg_dev;
474                 int trl[8];
475                 int i;
476
477                 ret = isst_get_ctdp_levels(cpu, &pkg_dev);
478                 if (ret)
479                         return ret;
480
481                 ret = isst_get_get_trl(cpu, pkg_dev.current_level, 0, trl);
482                 if (ret)
483                         return ret;
484
485                 msr_trl = 0;
486                 for (i = 0; i < 8; ++i) {
487                         unsigned long long _trl = trl[i];
488
489                         msr_trl |= (_trl << (i * 8));
490                 }
491         }
492         ret = isst_send_msr_command(cpu, 0x1AD, 1, &msr_trl);
493         if (ret)
494                 return ret;
495
496         return 0;
497 }
498
499 /* Return 1 if locked */
500 int isst_get_config_tdp_lock_status(int cpu)
501 {
502         unsigned long long tdp_control = 0;
503         int ret;
504
505         ret = isst_send_msr_command(cpu, 0x64b, 0, &tdp_control);
506         if (ret)
507                 return ret;
508
509         ret = !!(tdp_control & BIT(31));
510
511         return ret;
512 }
513
514 void isst_get_process_ctdp_complete(int cpu, struct isst_pkg_ctdp *pkg_dev)
515 {
516         int i;
517
518         if (!pkg_dev->processed)
519                 return;
520
521         for (i = 0; i < pkg_dev->levels; ++i) {
522                 struct isst_pkg_ctdp_level_info *ctdp_level;
523
524                 ctdp_level = &pkg_dev->ctdp_level[i];
525                 if (ctdp_level->pbf_support)
526                         free_cpu_set(ctdp_level->pbf_info.core_cpumask);
527                 free_cpu_set(ctdp_level->core_cpumask);
528         }
529 }
530
531 int isst_get_process_ctdp(int cpu, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
532 {
533         int i, ret;
534
535         if (pkg_dev->processed)
536                 return 0;
537
538         ret = isst_get_ctdp_levels(cpu, pkg_dev);
539         if (ret)
540                 return ret;
541
542         debug_printf("cpu: %d ctdp enable:%d current level: %d levels:%d\n",
543                      cpu, pkg_dev->enabled, pkg_dev->current_level,
544                      pkg_dev->levels);
545
546         for (i = 0; i <= pkg_dev->levels; ++i) {
547                 struct isst_pkg_ctdp_level_info *ctdp_level;
548
549                 if (tdp_level != 0xff && i != tdp_level)
550                         continue;
551
552                 debug_printf("cpu:%d Get Information for TDP level:%d\n", cpu,
553                              i);
554                 ctdp_level = &pkg_dev->ctdp_level[i];
555
556                 ctdp_level->processed = 1;
557                 ctdp_level->level = i;
558                 ctdp_level->control_cpu = cpu;
559                 ctdp_level->pkg_id = get_physical_package_id(cpu);
560                 ctdp_level->die_id = get_physical_die_id(cpu);
561
562                 ret = isst_get_ctdp_control(cpu, i, ctdp_level);
563                 if (ret)
564                         return ret;
565
566                 ret = isst_get_tdp_info(cpu, i, ctdp_level);
567                 if (ret)
568                         return ret;
569
570                 ret = isst_get_pwr_info(cpu, i, ctdp_level);
571                 if (ret)
572                         return ret;
573
574                 ret = isst_get_tjmax_info(cpu, i, ctdp_level);
575                 if (ret)
576                         return ret;
577
578                 ctdp_level->core_cpumask_size =
579                         alloc_cpu_set(&ctdp_level->core_cpumask);
580                 ret = isst_get_coremask_info(cpu, i, ctdp_level);
581                 if (ret)
582                         return ret;
583
584                 ret = isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
585                 if (ret)
586                         return ret;
587
588                 ret = isst_get_get_trl(cpu, i, 0,
589                                        ctdp_level->trl_sse_active_cores);
590                 if (ret)
591                         return ret;
592
593                 ret = isst_get_get_trl(cpu, i, 1,
594                                        ctdp_level->trl_avx_active_cores);
595                 if (ret)
596                         return ret;
597
598                 ret = isst_get_get_trl(cpu, i, 2,
599                                        ctdp_level->trl_avx_512_active_cores);
600                 if (ret)
601                         return ret;
602
603                 if (ctdp_level->pbf_support) {
604                         ret = isst_get_pbf_info(cpu, i, &ctdp_level->pbf_info);
605                         if (!ret)
606                                 ctdp_level->pbf_found = 1;
607                 }
608
609                 if (ctdp_level->fact_support) {
610                         ret = isst_get_fact_info(cpu, i,
611                                                  &ctdp_level->fact_info);
612                         if (ret)
613                                 return ret;
614                 }
615         }
616
617         pkg_dev->processed = 1;
618
619         return 0;
620 }
621
622 int isst_clos_get_clos_information(int cpu, int *enable, int *type)
623 {
624         unsigned int resp;
625         int ret;
626
627         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
628                                      &resp);
629         if (ret)
630                 return ret;
631
632         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
633
634         if (resp & BIT(1))
635                 *enable = 1;
636         else
637                 *enable = 0;
638
639         if (resp & BIT(2))
640                 *type = 1;
641         else
642                 *type = 0;
643
644         return 0;
645 }
646
647 int isst_pm_qos_config(int cpu, int enable_clos, int priority_type)
648 {
649         unsigned int req, resp;
650         int ret;
651
652         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
653                                      &resp);
654         if (ret)
655                 return ret;
656
657         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG resp:%x\n", cpu, resp);
658
659         req = resp;
660
661         if (enable_clos)
662                 req = req | BIT(1);
663         else
664                 req = req & ~BIT(1);
665
666         if (priority_type)
667                 req = req | BIT(2);
668         else
669                 req = req & ~BIT(2);
670
671         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
672                                      BIT(MBOX_CMD_WRITE_BIT), req, &resp);
673         if (ret)
674                 return ret;
675
676         debug_printf("cpu:%d CLOS_PM_QOS_CONFIG priority type:%d req:%x\n", cpu,
677                      priority_type, req);
678
679         return 0;
680 }
681
682 int isst_pm_get_clos(int cpu, int clos, struct isst_clos_config *clos_config)
683 {
684         unsigned int resp;
685         int ret;
686
687         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
688                                      &resp);
689         if (ret)
690                 return ret;
691
692         clos_config->pkg_id = get_physical_package_id(cpu);
693         clos_config->die_id = get_physical_die_id(cpu);
694
695         clos_config->epp = resp & 0x0f;
696         clos_config->clos_prop_prio = (resp >> 4) & 0x0f;
697         clos_config->clos_min = (resp >> 8) & 0xff;
698         clos_config->clos_max = (resp >> 16) & 0xff;
699         clos_config->clos_desired = (resp >> 24) & 0xff;
700
701         return 0;
702 }
703
704 int isst_set_clos(int cpu, int clos, struct isst_clos_config *clos_config)
705 {
706         unsigned int req, resp;
707         unsigned int param;
708         int ret;
709
710         req = clos_config->epp & 0x0f;
711         req |= (clos_config->clos_prop_prio & 0x0f) << 4;
712         req |= (clos_config->clos_min & 0xff) << 8;
713         req |= (clos_config->clos_max & 0xff) << 16;
714         req |= (clos_config->clos_desired & 0xff) << 24;
715
716         param = BIT(MBOX_CMD_WRITE_BIT) | clos;
717
718         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
719                                      &resp);
720         if (ret)
721                 return ret;
722
723         debug_printf("cpu:%d CLOS_PM_CLOS param:%x req:%x\n", cpu, param, req);
724
725         return 0;
726 }
727
728 int isst_clos_get_assoc_status(int cpu, int *clos_id)
729 {
730         unsigned int resp;
731         unsigned int param;
732         int core_id, ret;
733
734         core_id = find_phy_core_num(cpu);
735         param = core_id;
736
737         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
738                                      &resp);
739         if (ret)
740                 return ret;
741
742         debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x resp:%x\n", cpu, param,
743                      resp);
744         *clos_id = (resp >> 16) & 0x03;
745
746         return 0;
747 }
748
749 int isst_clos_associate(int cpu, int clos_id)
750 {
751         unsigned int req, resp;
752         unsigned int param;
753         int core_id, ret;
754
755         req = (clos_id & 0x03) << 16;
756         core_id = find_phy_core_num(cpu);
757         param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
758
759         ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
760                                      req, &resp);
761         if (ret)
762                 return ret;
763
764         debug_printf("cpu:%d CLOS_PQR_ASSOC param:%x req:%x\n", cpu, param,
765                      req);
766
767         return 0;
768 }