GNU Linux-libre 4.14.290-gnu1
[releases.git] / drivers / gpu / drm / amd / powerplay / hwmgr / vega10_thermal.c
1 /*
2  * Copyright 2016 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 "vega10_thermal.h"
25 #include "vega10_hwmgr.h"
26 #include "vega10_smumgr.h"
27 #include "vega10_ppsmc.h"
28 #include "vega10_inc.h"
29 #include "pp_soc15.h"
30 #include "pp_debug.h"
31
32 static int vega10_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
33 {
34         PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr->smumgr,
35                                 PPSMC_MSG_GetCurrentRpm),
36                         "Attempt to get current RPM from SMC Failed!",
37                         return -1);
38         PP_ASSERT_WITH_CODE(!vega10_read_arg_from_smc(hwmgr->smumgr,
39                         current_rpm),
40                         "Attempt to read current RPM from SMC Failed!",
41                         return -1);
42         return 0;
43 }
44
45 int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
46                 struct phm_fan_speed_info *fan_speed_info)
47 {
48
49         if (hwmgr->thermal_controller.fanInfo.bNoFan)
50                 return 0;
51
52         fan_speed_info->supports_percent_read = true;
53         fan_speed_info->supports_percent_write = true;
54         fan_speed_info->min_percent = 0;
55         fan_speed_info->max_percent = 100;
56
57         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
58                         PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
59                 hwmgr->thermal_controller.fanInfo.
60                 ucTachometerPulsesPerRevolution) {
61                 fan_speed_info->supports_rpm_read = true;
62                 fan_speed_info->supports_rpm_write = true;
63                 fan_speed_info->min_rpm =
64                                 hwmgr->thermal_controller.fanInfo.ulMinRPM;
65                 fan_speed_info->max_rpm =
66                                 hwmgr->thermal_controller.fanInfo.ulMaxRPM;
67         } else {
68                 fan_speed_info->min_rpm = 0;
69                 fan_speed_info->max_rpm = 0;
70         }
71
72         return 0;
73 }
74
75 int vega10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
76                 uint32_t *speed)
77 {
78         uint32_t current_rpm;
79         uint32_t percent = 0;
80
81         if (hwmgr->thermal_controller.fanInfo.bNoFan)
82                 return 0;
83
84         if (vega10_get_current_rpm(hwmgr, &current_rpm))
85                 return -1;
86
87         if (hwmgr->thermal_controller.
88                         advanceFanControlParameters.usMaxFanRPM != 0)
89                 percent = current_rpm * 100 /
90                         hwmgr->thermal_controller.
91                         advanceFanControlParameters.usMaxFanRPM;
92
93         *speed = percent > 100 ? 100 : percent;
94
95         return 0;
96 }
97
98 int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
99 {
100         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
101         uint32_t tach_period;
102         uint32_t crystal_clock_freq;
103         int result = 0;
104
105         if (hwmgr->thermal_controller.fanInfo.bNoFan)
106                 return -1;
107
108         if (data->smu_features[GNLD_FAN_CONTROL].supported)
109                 result = vega10_get_current_rpm(hwmgr, speed);
110         else {
111                 uint32_t reg = soc15_get_register_offset(THM_HWID, 0,
112                                 mmCG_TACH_STATUS_BASE_IDX, mmCG_TACH_STATUS);
113                 tach_period = (cgs_read_register(hwmgr->device,
114                                 reg) & CG_TACH_STATUS__TACH_PERIOD_MASK) >>
115                                 CG_TACH_STATUS__TACH_PERIOD__SHIFT;
116
117                 if (tach_period == 0)
118                         return -EINVAL;
119
120                 crystal_clock_freq = smu7_get_xclk(hwmgr);
121
122                 *speed = 60 * crystal_clock_freq * 10000 / tach_period;
123         }
124
125         return result;
126 }
127
128 /**
129 * Set Fan Speed Control to static mode,
130 * so that the user can decide what speed to use.
131 * @param    hwmgr  the address of the powerplay hardware manager.
132 *           mode the fan control mode, 0 default, 1 by percent, 5, by RPM
133 * @exception Should always succeed.
134 */
135 int vega10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
136 {
137         uint32_t reg;
138
139         reg = soc15_get_register_offset(THM_HWID, 0,
140                         mmCG_FDO_CTRL2_BASE_IDX, mmCG_FDO_CTRL2);
141
142         if (hwmgr->fan_ctrl_is_in_default_mode) {
143                 hwmgr->fan_ctrl_default_mode =
144                                 (cgs_read_register(hwmgr->device, reg) &
145                                 CG_FDO_CTRL2__FDO_PWM_MODE_MASK) >>
146                                 CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT;
147                 hwmgr->tmin = (cgs_read_register(hwmgr->device, reg) &
148                                 CG_FDO_CTRL2__TMIN_MASK) >>
149                                 CG_FDO_CTRL2__TMIN__SHIFT;
150                 hwmgr->fan_ctrl_is_in_default_mode = false;
151         }
152
153         cgs_write_register(hwmgr->device, reg,
154                         (cgs_read_register(hwmgr->device, reg) &
155                         ~CG_FDO_CTRL2__TMIN_MASK) |
156                         (0 << CG_FDO_CTRL2__TMIN__SHIFT));
157         cgs_write_register(hwmgr->device, reg,
158                         (cgs_read_register(hwmgr->device, reg) &
159                         ~CG_FDO_CTRL2__FDO_PWM_MODE_MASK) |
160                         (mode << CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT));
161
162         return 0;
163 }
164
165 /**
166 * Reset Fan Speed Control to default mode.
167 * @param    hwmgr  the address of the powerplay hardware manager.
168 * @exception Should always succeed.
169 */
170 int vega10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
171 {
172         uint32_t reg;
173
174         reg = soc15_get_register_offset(THM_HWID, 0,
175                         mmCG_FDO_CTRL2_BASE_IDX, mmCG_FDO_CTRL2);
176
177         if (!hwmgr->fan_ctrl_is_in_default_mode) {
178                 cgs_write_register(hwmgr->device, reg,
179                                 (cgs_read_register(hwmgr->device, reg) &
180                                 ~CG_FDO_CTRL2__FDO_PWM_MODE_MASK) |
181                                 (hwmgr->fan_ctrl_default_mode <<
182                                 CG_FDO_CTRL2__FDO_PWM_MODE__SHIFT));
183                 cgs_write_register(hwmgr->device, reg,
184                                 (cgs_read_register(hwmgr->device, reg) &
185                                 ~CG_FDO_CTRL2__TMIN_MASK) |
186                                 (hwmgr->tmin << CG_FDO_CTRL2__TMIN__SHIFT));
187                 hwmgr->fan_ctrl_is_in_default_mode = true;
188         }
189
190         return 0;
191 }
192
193 /**
194  * @fn vega10_enable_fan_control_feature
195  * @brief Enables the SMC Fan Control Feature.
196  *
197  * @param    hwmgr - the address of the powerplay hardware manager.
198  * @return   0 on success. -1 otherwise.
199  */
200 static int vega10_enable_fan_control_feature(struct pp_hwmgr *hwmgr)
201 {
202         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
203
204         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
205                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(
206                                 hwmgr->smumgr, true,
207                                 data->smu_features[GNLD_FAN_CONTROL].
208                                 smu_feature_bitmap),
209                                 "Attempt to Enable FAN CONTROL feature Failed!",
210                                 return -1);
211                 data->smu_features[GNLD_FAN_CONTROL].enabled = true;
212         }
213
214         return 0;
215 }
216
217 static int vega10_disable_fan_control_feature(struct pp_hwmgr *hwmgr)
218 {
219         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
220
221         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
222                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(
223                                 hwmgr->smumgr, false,
224                                 data->smu_features[GNLD_FAN_CONTROL].
225                                 smu_feature_bitmap),
226                                 "Attempt to Enable FAN CONTROL feature Failed!",
227                                 return -1);
228                 data->smu_features[GNLD_FAN_CONTROL].enabled = false;
229         }
230
231         return 0;
232 }
233
234 int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
235 {
236         if (hwmgr->thermal_controller.fanInfo.bNoFan)
237                 return -1;
238
239         PP_ASSERT_WITH_CODE(!vega10_enable_fan_control_feature(hwmgr),
240                         "Attempt to Enable SMC FAN CONTROL Feature Failed!",
241                         return -1);
242
243         return 0;
244 }
245
246
247 int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
248 {
249         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
250
251         if (hwmgr->thermal_controller.fanInfo.bNoFan)
252                 return -1;
253
254         if (data->smu_features[GNLD_FAN_CONTROL].supported) {
255                 PP_ASSERT_WITH_CODE(!vega10_disable_fan_control_feature(hwmgr),
256                                 "Attempt to Disable SMC FAN CONTROL Feature Failed!",
257                                 return -1);
258         }
259         return 0;
260 }
261
262 /**
263 * Set Fan Speed in percent.
264 * @param    hwmgr  the address of the powerplay hardware manager.
265 * @param    speed is the percentage value (0% - 100%) to be set.
266 * @exception Fails is the 100% setting appears to be 0.
267 */
268 int vega10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
269                 uint32_t speed)
270 {
271         uint32_t duty100;
272         uint32_t duty;
273         uint64_t tmp64;
274         uint32_t reg;
275
276         if (hwmgr->thermal_controller.fanInfo.bNoFan)
277                 return 0;
278
279         if (speed > 100)
280                 speed = 100;
281
282         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
283                         PHM_PlatformCaps_MicrocodeFanControl))
284                 vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
285
286         reg = soc15_get_register_offset(THM_HWID, 0,
287                         mmCG_FDO_CTRL1_BASE_IDX, mmCG_FDO_CTRL1);
288
289         duty100 = (cgs_read_register(hwmgr->device, reg) &
290                         CG_FDO_CTRL1__FMAX_DUTY100_MASK) >>
291                         CG_FDO_CTRL1__FMAX_DUTY100__SHIFT;
292
293         if (duty100 == 0)
294                 return -EINVAL;
295
296         tmp64 = (uint64_t)speed * duty100;
297         do_div(tmp64, 100);
298         duty = (uint32_t)tmp64;
299
300         reg = soc15_get_register_offset(THM_HWID, 0,
301                         mmCG_FDO_CTRL0_BASE_IDX, mmCG_FDO_CTRL0);
302         cgs_write_register(hwmgr->device, reg,
303                         (cgs_read_register(hwmgr->device, reg) &
304                         ~CG_FDO_CTRL0__FDO_STATIC_DUTY_MASK) |
305                         (duty << CG_FDO_CTRL0__FDO_STATIC_DUTY__SHIFT));
306
307         return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
308 }
309
310 /**
311 * Reset Fan Speed to default.
312 * @param    hwmgr  the address of the powerplay hardware manager.
313 * @exception Always succeeds.
314 */
315 int vega10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
316 {
317         int result;
318
319         if (hwmgr->thermal_controller.fanInfo.bNoFan)
320                 return 0;
321
322         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
323                         PHM_PlatformCaps_MicrocodeFanControl)) {
324                 result = vega10_fan_ctrl_start_smc_fan_control(hwmgr);
325         } else
326                 result = vega10_fan_ctrl_set_default_mode(hwmgr);
327
328         return result;
329 }
330
331 /**
332 * Set Fan Speed in RPM.
333 * @param    hwmgr  the address of the powerplay hardware manager.
334 * @param    speed is the percentage value (min - max) to be set.
335 * @exception Fails is the speed not lie between min and max.
336 */
337 int vega10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
338 {
339         uint32_t tach_period;
340         uint32_t crystal_clock_freq;
341         int result = 0;
342         uint32_t reg;
343
344         if (hwmgr->thermal_controller.fanInfo.bNoFan ||
345                         (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
346                         (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
347                 return -1;
348
349         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
350                         PHM_PlatformCaps_MicrocodeFanControl))
351                 result = vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
352
353         if (!result) {
354                 crystal_clock_freq = smu7_get_xclk(hwmgr);
355                 tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
356                 reg = soc15_get_register_offset(THM_HWID, 0,
357                                 mmCG_TACH_STATUS_BASE_IDX, mmCG_TACH_STATUS);
358                 cgs_write_register(hwmgr->device, reg,
359                                 (cgs_read_register(hwmgr->device, reg) &
360                                 ~CG_TACH_STATUS__TACH_PERIOD_MASK) |
361                                 (tach_period << CG_TACH_STATUS__TACH_PERIOD__SHIFT));
362         }
363         return vega10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM);
364 }
365
366 /**
367 * Reads the remote temperature from the SIslands thermal controller.
368 *
369 * @param    hwmgr The address of the hardware manager.
370 */
371 int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr)
372 {
373         int temp;
374         uint32_t reg;
375
376         reg = soc15_get_register_offset(THM_HWID, 0,
377                         mmCG_TACH_STATUS_BASE_IDX,  mmCG_MULT_THERMAL_STATUS);
378
379         temp = cgs_read_register(hwmgr->device, reg);
380
381         temp = (temp & CG_MULT_THERMAL_STATUS__ASIC_MAX_TEMP_MASK) >>
382                         CG_MULT_THERMAL_STATUS__ASIC_MAX_TEMP__SHIFT;
383
384         temp = temp & 0x1ff;
385
386         temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
387
388         return temp;
389 }
390
391 /**
392 * Set the requested temperature range for high and low alert signals
393 *
394 * @param    hwmgr The address of the hardware manager.
395 * @param    range Temperature range to be programmed for
396 *           high and low alert signals
397 * @exception PP_Result_BadInput if the input data is not valid.
398 */
399 static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
400                 struct PP_TemperatureRange *range)
401 {
402         uint32_t low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP *
403                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
404         uint32_t high = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP *
405                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
406         uint32_t val, reg;
407
408         if (low < range->min)
409                 low = range->min;
410         if (high > range->max)
411                 high = range->max;
412
413         if (low > high)
414                 return -EINVAL;
415
416         reg = soc15_get_register_offset(THM_HWID, 0,
417                         mmTHM_THERMAL_INT_CTRL_BASE_IDX, mmTHM_THERMAL_INT_CTRL);
418
419         val = cgs_read_register(hwmgr->device, reg);
420
421         val &= (~THM_THERMAL_INT_CTRL__MAX_IH_CREDIT_MASK);
422         val |=  (5 << THM_THERMAL_INT_CTRL__MAX_IH_CREDIT__SHIFT);
423
424         val &= (~THM_THERMAL_INT_CTRL__THERM_IH_HW_ENA_MASK);
425         val |= (1 << THM_THERMAL_INT_CTRL__THERM_IH_HW_ENA__SHIFT);
426
427         val &= (~THM_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK);
428         val |= ((high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)
429                         << THM_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT);
430
431         val &= (~THM_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
432         val |= ((low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)
433                         << THM_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
434
435         val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);
436
437         cgs_write_register(hwmgr->device, reg, val);
438
439         return 0;
440 }
441
442 /**
443 * Programs thermal controller one-time setting registers
444 *
445 * @param    hwmgr The address of the hardware manager.
446 */
447 static int vega10_thermal_initialize(struct pp_hwmgr *hwmgr)
448 {
449         uint32_t reg;
450
451         if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
452                 reg = soc15_get_register_offset(THM_HWID, 0,
453                                 mmCG_TACH_CTRL_BASE_IDX, mmCG_TACH_CTRL);
454                 cgs_write_register(hwmgr->device, reg,
455                                 (cgs_read_register(hwmgr->device, reg) &
456                                 ~CG_TACH_CTRL__EDGE_PER_REV_MASK) |
457                                 ((hwmgr->thermal_controller.fanInfo.
458                                 ucTachometerPulsesPerRevolution - 1) <<
459                                 CG_TACH_CTRL__EDGE_PER_REV__SHIFT));
460         }
461
462         reg = soc15_get_register_offset(THM_HWID, 0,
463                         mmCG_FDO_CTRL2_BASE_IDX, mmCG_FDO_CTRL2);
464         cgs_write_register(hwmgr->device, reg,
465                         (cgs_read_register(hwmgr->device, reg) &
466                         ~CG_FDO_CTRL2__TACH_PWM_RESP_RATE_MASK) |
467                         (0x28 << CG_FDO_CTRL2__TACH_PWM_RESP_RATE__SHIFT));
468
469         return 0;
470 }
471
472 /**
473 * Enable thermal alerts on the RV770 thermal controller.
474 *
475 * @param    hwmgr The address of the hardware manager.
476 */
477 static int vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr)
478 {
479         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
480         uint32_t val = 0;
481         uint32_t reg;
482
483         if (data->smu_features[GNLD_FW_CTF].supported) {
484                 if (data->smu_features[GNLD_FW_CTF].enabled)
485                         printk("[Thermal_EnableAlert] FW CTF Already Enabled!\n");
486
487                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
488                                 true,
489                                 data->smu_features[GNLD_FW_CTF].smu_feature_bitmap),
490                                 "Attempt to Enable FW CTF feature Failed!",
491                                 return -1);
492                 data->smu_features[GNLD_FW_CTF].enabled = true;
493         }
494
495         val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT);
496         val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT);
497         val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT);
498
499         reg = soc15_get_register_offset(THM_HWID, 0, mmTHM_THERMAL_INT_ENA_BASE_IDX, mmTHM_THERMAL_INT_ENA);
500         cgs_write_register(hwmgr->device, reg, val);
501
502         return 0;
503 }
504
505 /**
506 * Disable thermal alerts on the RV770 thermal controller.
507 * @param    hwmgr The address of the hardware manager.
508 */
509 int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr)
510 {
511         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
512         uint32_t reg;
513
514         if (data->smu_features[GNLD_FW_CTF].supported) {
515                 if (!data->smu_features[GNLD_FW_CTF].enabled)
516                         printk("[Thermal_EnableAlert] FW CTF Already disabled!\n");
517
518
519                 PP_ASSERT_WITH_CODE(!vega10_enable_smc_features(hwmgr->smumgr,
520                         false,
521                         data->smu_features[GNLD_FW_CTF].smu_feature_bitmap),
522                         "Attempt to disable FW CTF feature Failed!",
523                         return -1);
524                 data->smu_features[GNLD_FW_CTF].enabled = false;
525         }
526
527         reg = soc15_get_register_offset(THM_HWID, 0, mmTHM_THERMAL_INT_ENA_BASE_IDX, mmTHM_THERMAL_INT_ENA);
528         cgs_write_register(hwmgr->device, reg, 0);
529
530         return 0;
531 }
532
533 /**
534 * Uninitialize the thermal controller.
535 * Currently just disables alerts.
536 * @param    hwmgr The address of the hardware manager.
537 */
538 int vega10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
539 {
540         int result = vega10_thermal_disable_alert(hwmgr);
541
542         if (!hwmgr->thermal_controller.fanInfo.bNoFan)
543                 vega10_fan_ctrl_set_default_mode(hwmgr);
544
545         return result;
546 }
547
548 /**
549 * Set up the fan table to control the fan using the SMC.
550 * @param    hwmgr  the address of the powerplay hardware manager.
551 * @param    pInput the pointer to input data
552 * @param    pOutput the pointer to output data
553 * @param    pStorage the pointer to temporary storage
554 * @param    Result the last failure code
555 * @return   result from set temperature range routine
556 */
557 int tf_vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr,
558                 void *input, void *output, void *storage, int result)
559 {
560         int ret;
561         struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
562         PPTable_t *table = &(data->smc_state_table.pp_table);
563
564         if (!data->smu_features[GNLD_FAN_CONTROL].supported)
565                 return 0;
566
567         table->FanMaximumRpm = (uint16_t)hwmgr->thermal_controller.
568                         advanceFanControlParameters.usMaxFanRPM;
569         table->FanThrottlingRpm = hwmgr->thermal_controller.
570                         advanceFanControlParameters.usFanRPMMaxLimit;
571         table->FanAcousticLimitRpm = (uint16_t)(hwmgr->thermal_controller.
572                         advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
573         table->FanTargetTemperature = hwmgr->thermal_controller.
574                         advanceFanControlParameters.usTMax;
575
576         smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
577                                 PPSMC_MSG_SetFanTemperatureTarget,
578                                 (uint32_t)table->FanTargetTemperature);
579
580         table->FanPwmMin = hwmgr->thermal_controller.
581                         advanceFanControlParameters.usPWMMin * 255 / 100;
582         table->FanTargetGfxclk = (uint16_t)(hwmgr->thermal_controller.
583                         advanceFanControlParameters.ulTargetGfxClk);
584         table->FanGainEdge = hwmgr->thermal_controller.
585                         advanceFanControlParameters.usFanGainEdge;
586         table->FanGainHotspot = hwmgr->thermal_controller.
587                         advanceFanControlParameters.usFanGainHotspot;
588         table->FanGainLiquid = hwmgr->thermal_controller.
589                         advanceFanControlParameters.usFanGainLiquid;
590         table->FanGainVrVddc = hwmgr->thermal_controller.
591                         advanceFanControlParameters.usFanGainVrVddc;
592         table->FanGainVrMvdd = hwmgr->thermal_controller.
593                         advanceFanControlParameters.usFanGainVrMvdd;
594         table->FanGainPlx = hwmgr->thermal_controller.
595                         advanceFanControlParameters.usFanGainPlx;
596         table->FanGainHbm = hwmgr->thermal_controller.
597                         advanceFanControlParameters.usFanGainHbm;
598         table->FanZeroRpmEnable = hwmgr->thermal_controller.
599                         advanceFanControlParameters.ucEnableZeroRPM;
600         table->FanStopTemp = hwmgr->thermal_controller.
601                         advanceFanControlParameters.usZeroRPMStopTemperature;
602         table->FanStartTemp = hwmgr->thermal_controller.
603                         advanceFanControlParameters.usZeroRPMStartTemperature;
604
605         ret = vega10_copy_table_to_smc(hwmgr->smumgr,
606                         (uint8_t *)(&(data->smc_state_table.pp_table)), PPTABLE);
607         if (ret)
608                 pr_info("Failed to update Fan Control Table in PPTable!");
609
610         return ret;
611 }
612
613 /**
614 * Start the fan control on the SMC.
615 * @param    hwmgr  the address of the powerplay hardware manager.
616 * @param    pInput the pointer to input data
617 * @param    pOutput the pointer to output data
618 * @param    pStorage the pointer to temporary storage
619 * @param    Result the last failure code
620 * @return   result from set temperature range routine
621 */
622 int tf_vega10_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr,
623                 void *input, void *output, void *storage, int result)
624 {
625 /* If the fantable setup has failed we could have disabled
626  * PHM_PlatformCaps_MicrocodeFanControl even after
627  * this function was included in the table.
628  * Make sure that we still think controlling the fan is OK.
629 */
630         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
631                         PHM_PlatformCaps_MicrocodeFanControl)) {
632                 vega10_fan_ctrl_start_smc_fan_control(hwmgr);
633         }
634
635         return 0;
636 }
637
638 /**
639 * Set temperature range for high and low alerts
640 * @param    hwmgr  the address of the powerplay hardware manager.
641 * @param    pInput the pointer to input data
642 * @param    pOutput the pointer to output data
643 * @param    pStorage the pointer to temporary storage
644 * @param    Result the last failure code
645 * @return   result from set temperature range routine
646 */
647 int tf_vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
648                 void *input, void *output, void *storage, int result)
649 {
650         struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input;
651
652         if (range == NULL)
653                 return -EINVAL;
654
655         return vega10_thermal_set_temperature_range(hwmgr, range);
656 }
657
658 /**
659 * Programs one-time setting registers
660 * @param    hwmgr  the address of the powerplay hardware manager.
661 * @param    pInput the pointer to input data
662 * @param    pOutput the pointer to output data
663 * @param    pStorage the pointer to temporary storage
664 * @param    Result the last failure code
665 * @return   result from initialize thermal controller routine
666 */
667 int tf_vega10_thermal_initialize(struct pp_hwmgr *hwmgr,
668                 void *input, void *output, void *storage, int result)
669 {
670         return vega10_thermal_initialize(hwmgr);
671 }
672
673 /**
674 * Enable high and low alerts
675 * @param    hwmgr  the address of the powerplay hardware manager.
676 * @param    pInput the pointer to input data
677 * @param    pOutput the pointer to output data
678 * @param    pStorage the pointer to temporary storage
679 * @param    Result the last failure code
680 * @return   result from enable alert routine
681 */
682 int tf_vega10_thermal_enable_alert(struct pp_hwmgr *hwmgr,
683                 void *input, void *output, void *storage, int result)
684 {
685         return vega10_thermal_enable_alert(hwmgr);
686 }
687
688 /**
689 * Disable high and low alerts
690 * @param    hwmgr  the address of the powerplay hardware manager.
691 * @param    pInput the pointer to input data
692 * @param    pOutput the pointer to output data
693 * @param    pStorage the pointer to temporary storage
694 * @param    Result the last failure code
695 * @return   result from disable alert routine
696 */
697 static int tf_vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr,
698                 void *input, void *output, void *storage, int result)
699 {
700         return vega10_thermal_disable_alert(hwmgr);
701 }
702
703 static struct phm_master_table_item
704 vega10_thermal_start_thermal_controller_master_list[] = {
705         { .tableFunction = tf_vega10_thermal_initialize },
706         { .tableFunction = tf_vega10_thermal_set_temperature_range },
707         { .tableFunction = tf_vega10_thermal_enable_alert },
708 /* We should restrict performance levels to low before we halt the SMC.
709  * On the other hand we are still in boot state when we do this
710  * so it would be pointless.
711  * If this assumption changes we have to revisit this table.
712  */
713         { .tableFunction = tf_vega10_thermal_setup_fan_table },
714         { .tableFunction = tf_vega10_thermal_start_smc_fan_control },
715         { }
716 };
717
718 static struct phm_master_table_header
719 vega10_thermal_start_thermal_controller_master = {
720         0,
721         PHM_MasterTableFlag_None,
722         vega10_thermal_start_thermal_controller_master_list
723 };
724
725 static struct phm_master_table_item
726 vega10_thermal_set_temperature_range_master_list[] = {
727         { .tableFunction = tf_vega10_thermal_disable_alert },
728         { .tableFunction = tf_vega10_thermal_set_temperature_range },
729         { .tableFunction = tf_vega10_thermal_enable_alert },
730         { }
731 };
732
733 struct phm_master_table_header
734 vega10_thermal_set_temperature_range_master = {
735         0,
736         PHM_MasterTableFlag_None,
737         vega10_thermal_set_temperature_range_master_list
738 };
739
740 int vega10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
741 {
742         if (!hwmgr->thermal_controller.fanInfo.bNoFan) {
743                 vega10_fan_ctrl_set_default_mode(hwmgr);
744                 vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
745         }
746         return 0;
747 }
748
749 /**
750 * Initializes the thermal controller related functions
751 * in the Hardware Manager structure.
752 * @param    hwmgr The address of the hardware manager.
753 * @exception Any error code from the low-level communication.
754 */
755 int pp_vega10_thermal_initialize(struct pp_hwmgr *hwmgr)
756 {
757         int result;
758
759         result = phm_construct_table(hwmgr,
760                         &vega10_thermal_set_temperature_range_master,
761                         &(hwmgr->set_temperature_range));
762
763         if (!result) {
764                 result = phm_construct_table(hwmgr,
765                                 &vega10_thermal_start_thermal_controller_master,
766                                 &(hwmgr->start_thermal_controller));
767                 if (result)
768                         phm_destroy_table(hwmgr,
769                                         &(hwmgr->set_temperature_range));
770         }
771
772         if (!result)
773                 hwmgr->fan_ctrl_is_in_default_mode = true;
774         return result;
775 }
776