GNU Linux-libre 4.14.251-gnu1
[releases.git] / drivers / gpu / drm / amd / powerplay / hwmgr / smu7_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 <asm/div64.h>
25 #include "smu7_thermal.h"
26 #include "smu7_hwmgr.h"
27 #include "smu7_common.h"
28
29 int smu7_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
30                 struct phm_fan_speed_info *fan_speed_info)
31 {
32         if (hwmgr->thermal_controller.fanInfo.bNoFan)
33                 return -ENODEV;
34
35         fan_speed_info->supports_percent_read = true;
36         fan_speed_info->supports_percent_write = true;
37         fan_speed_info->min_percent = 0;
38         fan_speed_info->max_percent = 100;
39
40         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
41                         PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
42                 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
43                 fan_speed_info->supports_rpm_read = true;
44                 fan_speed_info->supports_rpm_write = true;
45                 fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM;
46                 fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
47         } else {
48                 fan_speed_info->min_rpm = 0;
49                 fan_speed_info->max_rpm = 0;
50         }
51
52         return 0;
53 }
54
55 int smu7_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
56                 uint32_t *speed)
57 {
58         uint32_t duty100;
59         uint32_t duty;
60         uint64_t tmp64;
61
62         if (hwmgr->thermal_controller.fanInfo.bNoFan)
63                 return -ENODEV;
64
65         duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
66                         CG_FDO_CTRL1, FMAX_DUTY100);
67         duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
68                         CG_THERMAL_STATUS, FDO_PWM_DUTY);
69
70         if (duty100 == 0)
71                 return -EINVAL;
72
73
74         tmp64 = (uint64_t)duty * 100;
75         do_div(tmp64, duty100);
76         *speed = (uint32_t)tmp64;
77
78         if (*speed > 100)
79                 *speed = 100;
80
81         return 0;
82 }
83
84 int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
85 {
86         uint32_t tach_period;
87         uint32_t crystal_clock_freq;
88
89         if (hwmgr->thermal_controller.fanInfo.bNoFan ||
90                         (hwmgr->thermal_controller.fanInfo.
91                                 ucTachometerPulsesPerRevolution == 0))
92                 return -ENODEV;
93
94         tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
95                         CG_TACH_STATUS, TACH_PERIOD);
96
97         if (tach_period == 0)
98                 return -EINVAL;
99
100         crystal_clock_freq = smu7_get_xclk(hwmgr);
101
102         *speed = 60 * crystal_clock_freq * 10000 / tach_period;
103
104         return 0;
105 }
106
107 /**
108 * Set Fan Speed Control to static mode, so that the user can decide what speed to use.
109 * @param    hwmgr  the address of the powerplay hardware manager.
110 *           mode    the fan control mode, 0 default, 1 by percent, 5, by RPM
111 * @exception Should always succeed.
112 */
113 int smu7_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
114 {
115         if (hwmgr->fan_ctrl_is_in_default_mode) {
116                 hwmgr->fan_ctrl_default_mode =
117                                 PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
118                                                 CG_FDO_CTRL2, FDO_PWM_MODE);
119                 hwmgr->tmin =
120                                 PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
121                                                 CG_FDO_CTRL2, TMIN);
122                 hwmgr->fan_ctrl_is_in_default_mode = false;
123         }
124
125         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
126                         CG_FDO_CTRL2, TMIN, 0);
127         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
128                         CG_FDO_CTRL2, FDO_PWM_MODE, mode);
129
130         return 0;
131 }
132
133 /**
134 * Reset Fan Speed Control to default mode.
135 * @param    hwmgr  the address of the powerplay hardware manager.
136 * @exception Should always succeed.
137 */
138 int smu7_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
139 {
140         if (!hwmgr->fan_ctrl_is_in_default_mode) {
141                 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
142                                 CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode);
143                 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
144                                 CG_FDO_CTRL2, TMIN, hwmgr->tmin);
145                 hwmgr->fan_ctrl_is_in_default_mode = true;
146         }
147
148         return 0;
149 }
150
151 int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
152 {
153         int result;
154
155         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
156                         PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
157                 cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
158                 result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
159
160                 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
161                                 PHM_PlatformCaps_FanSpeedInTableIsRPM))
162                         hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr,
163                                         hwmgr->thermal_controller.
164                                         advanceFanControlParameters.usMaxFanRPM);
165                 else
166                         hwmgr->hwmgr_func->set_max_fan_pwm_output(hwmgr,
167                                         hwmgr->thermal_controller.
168                                         advanceFanControlParameters.usMaxFanPWM);
169
170         } else {
171                 cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
172                 result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
173         }
174
175         if (!result && hwmgr->thermal_controller.
176                         advanceFanControlParameters.ucTargetTemperature)
177                 result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
178                                 PPSMC_MSG_SetFanTemperatureTarget,
179                                 hwmgr->thermal_controller.
180                                 advanceFanControlParameters.ucTargetTemperature);
181         hwmgr->fan_ctrl_enabled = true;
182
183         return result;
184 }
185
186
187 int smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
188 {
189         hwmgr->fan_ctrl_enabled = false;
190         return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl);
191 }
192
193 /**
194 * Set Fan Speed in percent.
195 * @param    hwmgr  the address of the powerplay hardware manager.
196 * @param    speed is the percentage value (0% - 100%) to be set.
197 * @exception Fails is the 100% setting appears to be 0.
198 */
199 int smu7_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
200                 uint32_t speed)
201 {
202         uint32_t duty100;
203         uint32_t duty;
204         uint64_t tmp64;
205
206         if (hwmgr->thermal_controller.fanInfo.bNoFan)
207                 return 0;
208
209         if (speed > 100)
210                 speed = 100;
211
212         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
213                         PHM_PlatformCaps_MicrocodeFanControl))
214                 smu7_fan_ctrl_stop_smc_fan_control(hwmgr);
215
216         duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
217                         CG_FDO_CTRL1, FMAX_DUTY100);
218
219         if (duty100 == 0)
220                 return -EINVAL;
221
222         tmp64 = (uint64_t)speed * duty100;
223         do_div(tmp64, 100);
224         duty = (uint32_t)tmp64;
225
226         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
227                         CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);
228
229         return smu7_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
230 }
231
232 /**
233 * Reset Fan Speed to default.
234 * @param    hwmgr  the address of the powerplay hardware manager.
235 * @exception Always succeeds.
236 */
237 int smu7_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
238 {
239         int result;
240
241         if (hwmgr->thermal_controller.fanInfo.bNoFan)
242                 return 0;
243
244         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
245                         PHM_PlatformCaps_MicrocodeFanControl)) {
246                 result = smu7_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
247                 if (!result)
248                         result = smu7_fan_ctrl_start_smc_fan_control(hwmgr);
249         } else
250                 result = smu7_fan_ctrl_set_default_mode(hwmgr);
251
252         return result;
253 }
254
255 /**
256 * Set Fan Speed in RPM.
257 * @param    hwmgr  the address of the powerplay hardware manager.
258 * @param    speed is the percentage value (min - max) to be set.
259 * @exception Fails is the speed not lie between min and max.
260 */
261 int smu7_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
262 {
263         uint32_t tach_period;
264         uint32_t crystal_clock_freq;
265
266         if (hwmgr->thermal_controller.fanInfo.bNoFan ||
267                         (hwmgr->thermal_controller.fanInfo.
268                         ucTachometerPulsesPerRevolution == 0) ||
269                         (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
270                         (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
271                 return 0;
272
273         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
274                         PHM_PlatformCaps_MicrocodeFanControl))
275                 smu7_fan_ctrl_stop_smc_fan_control(hwmgr);
276
277         crystal_clock_freq = smu7_get_xclk(hwmgr);
278
279         tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
280
281         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
282                                 CG_TACH_STATUS, TACH_PERIOD, tach_period);
283
284         return smu7_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC_RPM);
285 }
286
287 /**
288 * Reads the remote temperature from the SIslands thermal controller.
289 *
290 * @param    hwmgr The address of the hardware manager.
291 */
292 int smu7_thermal_get_temperature(struct pp_hwmgr *hwmgr)
293 {
294         int temp;
295
296         temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
297                         CG_MULT_THERMAL_STATUS, CTF_TEMP);
298
299         /* Bit 9 means the reading is lower than the lowest usable value. */
300         if (temp & 0x200)
301                 temp = SMU7_THERMAL_MAXIMUM_TEMP_READING;
302         else
303                 temp = temp & 0x1ff;
304
305         temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
306
307         return temp;
308 }
309
310 /**
311 * Set the requested temperature range for high and low alert signals
312 *
313 * @param    hwmgr The address of the hardware manager.
314 * @param    range Temperature range to be programmed for high and low alert signals
315 * @exception PP_Result_BadInput if the input data is not valid.
316 */
317 static int smu7_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
318                 uint32_t low_temp, uint32_t high_temp)
319 {
320         uint32_t low = SMU7_THERMAL_MINIMUM_ALERT_TEMP *
321                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
322         uint32_t high = SMU7_THERMAL_MAXIMUM_ALERT_TEMP *
323                         PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
324
325         if (low < low_temp)
326                 low = low_temp;
327         if (high > high_temp)
328                 high = high_temp;
329
330         if (low > high)
331                 return -EINVAL;
332
333         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
334                         CG_THERMAL_INT, DIG_THERM_INTH,
335                         (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
336         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
337                         CG_THERMAL_INT, DIG_THERM_INTL,
338                         (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
339         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
340                         CG_THERMAL_CTRL, DIG_THERM_DPM,
341                         (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
342
343         return 0;
344 }
345
346 /**
347 * Programs thermal controller one-time setting registers
348 *
349 * @param    hwmgr The address of the hardware manager.
350 */
351 static int smu7_thermal_initialize(struct pp_hwmgr *hwmgr)
352 {
353         if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution)
354                 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
355                                 CG_TACH_CTRL, EDGE_PER_REV,
356                                 hwmgr->thermal_controller.fanInfo.
357                                 ucTachometerPulsesPerRevolution - 1);
358
359         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
360                         CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28);
361
362         return 0;
363 }
364
365 /**
366 * Enable thermal alerts on the RV770 thermal controller.
367 *
368 * @param    hwmgr The address of the hardware manager.
369 */
370 int smu7_thermal_enable_alert(struct pp_hwmgr *hwmgr)
371 {
372         uint32_t alert;
373
374         alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
375                         CG_THERMAL_INT, THERM_INT_MASK);
376         alert &= ~(SMU7_THERMAL_HIGH_ALERT_MASK | SMU7_THERMAL_LOW_ALERT_MASK);
377         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
378                         CG_THERMAL_INT, THERM_INT_MASK, alert);
379
380         /* send message to SMU to enable internal thermal interrupts */
381         return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable);
382 }
383
384 /**
385 * Disable thermal alerts on the RV770 thermal controller.
386 * @param    hwmgr The address of the hardware manager.
387 */
388 int smu7_thermal_disable_alert(struct pp_hwmgr *hwmgr)
389 {
390         uint32_t alert;
391
392         alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
393                         CG_THERMAL_INT, THERM_INT_MASK);
394         alert |= (SMU7_THERMAL_HIGH_ALERT_MASK | SMU7_THERMAL_LOW_ALERT_MASK);
395         PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
396                         CG_THERMAL_INT, THERM_INT_MASK, alert);
397
398         /* send message to SMU to disable internal thermal interrupts */
399         return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable);
400 }
401
402 /**
403 * Uninitialize the thermal controller.
404 * Currently just disables alerts.
405 * @param    hwmgr The address of the hardware manager.
406 */
407 int smu7_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
408 {
409         int result = smu7_thermal_disable_alert(hwmgr);
410
411         if (!hwmgr->thermal_controller.fanInfo.bNoFan)
412                 smu7_fan_ctrl_set_default_mode(hwmgr);
413
414         return result;
415 }
416
417 /**
418 * Start the fan control on the SMC.
419 * @param    hwmgr  the address of the powerplay hardware manager.
420 * @param    pInput the pointer to input data
421 * @param    pOutput the pointer to output data
422 * @param    pStorage the pointer to temporary storage
423 * @param    Result the last failure code
424 * @return   result from set temperature range routine
425 */
426 static int tf_smu7_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr,
427                 void *input, void *output, void *storage, int result)
428 {
429 /* If the fantable setup has failed we could have disabled
430  * PHM_PlatformCaps_MicrocodeFanControl even after
431  * this function was included in the table.
432  * Make sure that we still think controlling the fan is OK.
433 */
434         if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
435                         PHM_PlatformCaps_MicrocodeFanControl)) {
436                 smu7_fan_ctrl_start_smc_fan_control(hwmgr);
437                 smu7_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
438         }
439
440         return 0;
441 }
442
443 /**
444 * Set temperature range for high and low alerts
445 * @param    hwmgr  the address of the powerplay hardware manager.
446 * @param    pInput the pointer to input data
447 * @param    pOutput the pointer to output data
448 * @param    pStorage the pointer to temporary storage
449 * @param    Result the last failure code
450 * @return   result from set temperature range routine
451 */
452 static int tf_smu7_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
453                 void *input, void *output, void *storage, int result)
454 {
455         struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input;
456
457         if (range == NULL)
458                 return -EINVAL;
459
460         return smu7_thermal_set_temperature_range(hwmgr, range->min, range->max);
461 }
462
463 /**
464 * Programs one-time setting registers
465 * @param    hwmgr  the address of the powerplay hardware manager.
466 * @param    pInput the pointer to input data
467 * @param    pOutput the pointer to output data
468 * @param    pStorage the pointer to temporary storage
469 * @param    Result the last failure code
470 * @return   result from initialize thermal controller routine
471 */
472 static int tf_smu7_thermal_initialize(struct pp_hwmgr *hwmgr,
473                 void *input, void *output, void *storage, int result)
474 {
475         return smu7_thermal_initialize(hwmgr);
476 }
477
478 /**
479 * Enable high and low alerts
480 * @param    hwmgr  the address of the powerplay hardware manager.
481 * @param    pInput the pointer to input data
482 * @param    pOutput the pointer to output data
483 * @param    pStorage the pointer to temporary storage
484 * @param    Result the last failure code
485 * @return   result from enable alert routine
486 */
487 static int tf_smu7_thermal_enable_alert(struct pp_hwmgr *hwmgr,
488                 void *input, void *output, void *storage, int result)
489 {
490         return smu7_thermal_enable_alert(hwmgr);
491 }
492
493 /**
494 * Disable high and low alerts
495 * @param    hwmgr  the address of the powerplay hardware manager.
496 * @param    pInput the pointer to input data
497 * @param    pOutput the pointer to output data
498 * @param    pStorage the pointer to temporary storage
499 * @param    Result the last failure code
500 * @return   result from disable alert routine
501 */
502 static int tf_smu7_thermal_disable_alert(struct pp_hwmgr *hwmgr,
503                 void *input, void *output, void *storage, int result)
504 {
505         return smu7_thermal_disable_alert(hwmgr);
506 }
507
508 static const struct phm_master_table_item
509 phm_thermal_start_thermal_controller_master_list[] = {
510         { .tableFunction = tf_smu7_thermal_initialize },
511         { .tableFunction = tf_smu7_thermal_set_temperature_range },
512         { .tableFunction = tf_smu7_thermal_enable_alert },
513         { .tableFunction = smum_thermal_avfs_enable },
514 /* We should restrict performance levels to low before we halt the SMC.
515  * On the other hand we are still in boot state when we do this
516  * so it would be pointless.
517  * If this assumption changes we have to revisit this table.
518  */
519         { .tableFunction = smum_thermal_setup_fan_table },
520         { .tableFunction = tf_smu7_thermal_start_smc_fan_control },
521         { }
522 };
523
524 static const struct phm_master_table_header
525 phm_thermal_start_thermal_controller_master = {
526         0,
527         PHM_MasterTableFlag_None,
528         phm_thermal_start_thermal_controller_master_list
529 };
530
531 static const struct phm_master_table_item
532 phm_thermal_set_temperature_range_master_list[] = {
533         { .tableFunction = tf_smu7_thermal_disable_alert },
534         { .tableFunction = tf_smu7_thermal_set_temperature_range },
535         { .tableFunction = tf_smu7_thermal_enable_alert },
536         { }
537 };
538
539 static const struct phm_master_table_header
540 phm_thermal_set_temperature_range_master = {
541         0,
542         PHM_MasterTableFlag_None,
543         phm_thermal_set_temperature_range_master_list
544 };
545
546 int smu7_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
547 {
548         if (!hwmgr->thermal_controller.fanInfo.bNoFan)
549                 smu7_fan_ctrl_set_default_mode(hwmgr);
550         return 0;
551 }
552
553 /**
554 * Initializes the thermal controller related functions in the Hardware Manager structure.
555 * @param    hwmgr The address of the hardware manager.
556 * @exception Any error code from the low-level communication.
557 */
558 int pp_smu7_thermal_initialize(struct pp_hwmgr *hwmgr)
559 {
560         int result;
561
562         result = phm_construct_table(hwmgr,
563                         &phm_thermal_set_temperature_range_master,
564                         &(hwmgr->set_temperature_range));
565
566         if (!result) {
567                 result = phm_construct_table(hwmgr,
568                                 &phm_thermal_start_thermal_controller_master,
569                                 &(hwmgr->start_thermal_controller));
570                 if (result)
571                         phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range));
572         }
573
574         if (!result)
575                 hwmgr->fan_ctrl_is_in_default_mode = true;
576         return result;
577 }
578
579 void pp_smu7_thermal_fini(struct pp_hwmgr *hwmgr)
580 {
581         phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range));
582         phm_destroy_table(hwmgr, &(hwmgr->start_thermal_controller));
583         return;
584 }