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
smu7_fan_ctrl_get_fan_speed_info(struct pp_hwmgr * hwmgr,struct phm_fan_speed_info * fan_speed_info)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
smu7_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr * hwmgr,uint32_t * speed)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
smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr * hwmgr,uint32_t * speed)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 */
smu7_fan_ctrl_set_static_mode(struct pp_hwmgr * hwmgr,uint32_t mode)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 */
smu7_fan_ctrl_set_default_mode(struct pp_hwmgr * hwmgr)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
smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr * hwmgr)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
smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr * hwmgr)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 */
smu7_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr * hwmgr,uint32_t speed)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 */
smu7_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr * hwmgr)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 */
smu7_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr * hwmgr,uint32_t speed)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 */
smu7_thermal_get_temperature(struct pp_hwmgr * hwmgr)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 */
smu7_thermal_set_temperature_range(struct pp_hwmgr * hwmgr,uint32_t low_temp,uint32_t high_temp)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 */
smu7_thermal_initialize(struct pp_hwmgr * hwmgr)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 */
smu7_thermal_enable_alert(struct pp_hwmgr * hwmgr)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 */
smu7_thermal_disable_alert(struct pp_hwmgr * hwmgr)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 */
smu7_thermal_stop_thermal_controller(struct pp_hwmgr * hwmgr)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 */
tf_smu7_thermal_start_smc_fan_control(struct pp_hwmgr * hwmgr,void * input,void * output,void * storage,int result)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 */
tf_smu7_thermal_set_temperature_range(struct pp_hwmgr * hwmgr,void * input,void * output,void * storage,int result)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 */
tf_smu7_thermal_initialize(struct pp_hwmgr * hwmgr,void * input,void * output,void * storage,int result)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 */
tf_smu7_thermal_enable_alert(struct pp_hwmgr * hwmgr,void * input,void * output,void * storage,int result)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 */
tf_smu7_thermal_disable_alert(struct pp_hwmgr * hwmgr,void * input,void * output,void * storage,int result)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
smu7_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr * hwmgr)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 */
pp_smu7_thermal_initialize(struct pp_hwmgr * hwmgr)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
pp_smu7_thermal_fini(struct pp_hwmgr * hwmgr)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 }