summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
blob: a188174747c9f1465a04a9a5c62af5dfa135b348 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
/*
 * Copyright 2015 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */
#include <asm/div64.h>
#include "tonga_thermal.h"
#include "tonga_hwmgr.h"
#include "tonga_smumgr.h"
#include "tonga_ppsmc.h"
#include "smu/smu_7_1_2_d.h"
#include "smu/smu_7_1_2_sh_mask.h"

/**
* Get Fan Speed Control Parameters.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pSpeed is the address of the structure where the result is to be placed.
* @exception Always succeeds except if we cannot zero out the output structure.
*/
int tonga_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info)
{

	if (hwmgr->thermal_controller.fanInfo.bNoFan)
		return 0;

	fan_speed_info->supports_percent_read = true;
	fan_speed_info->supports_percent_write = true;
	fan_speed_info->min_percent = 0;
	fan_speed_info->max_percent = 100;

	if (0 != hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
		fan_speed_info->supports_rpm_read = true;
		fan_speed_info->supports_rpm_write = true;
		fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM;
		fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
	} else {
		fan_speed_info->min_rpm = 0;
		fan_speed_info->max_rpm = 0;
	}

	return 0;
}

/**
* Get Fan Speed in percent.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pSpeed is the address of the structure where the result is to be placed.
* @exception Fails is the 100% setting appears to be 0.
*/
int tonga_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t *speed)
{
	uint32_t duty100;
	uint32_t duty;
	uint64_t tmp64;

	if (hwmgr->thermal_controller.fanInfo.bNoFan)
		return 0;

	duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100);
	duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_STATUS, FDO_PWM_DUTY);

	if (0 == duty100)
		return -EINVAL;


	tmp64 = (uint64_t)duty * 100;
	do_div(tmp64, duty100);
	*speed = (uint32_t)tmp64;

	if (*speed > 100)
		*speed = 100;

	return 0;
}

/**
* Get Fan Speed in RPM.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    speed is the address of the structure where the result is to be placed.
* @exception Returns not supported if no fan is found or if pulses per revolution are not set
*/
int tonga_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
{
	return 0;
}

/**
* Set Fan Speed Control to static mode, so that the user can decide what speed to use.
* @param    hwmgr  the address of the powerplay hardware manager.
*           mode    the fan control mode, 0 default, 1 by percent, 5, by RPM
* @exception Should always succeed.
*/
int tonga_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
{

	if (hwmgr->fan_ctrl_is_in_default_mode) {
		hwmgr->fan_ctrl_default_mode = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE);
		hwmgr->tmin = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN);
		hwmgr->fan_ctrl_is_in_default_mode = false;
	}

	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN, 0);
	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE, mode);

	return 0;
}

/**
* Reset Fan Speed Control to default mode.
* @param    hwmgr  the address of the powerplay hardware manager.
* @exception Should always succeed.
*/
int tonga_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
{
	if (!hwmgr->fan_ctrl_is_in_default_mode) {
		PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode);
		PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TMIN, hwmgr->tmin);
		hwmgr->fan_ctrl_is_in_default_mode = true;
	}

	return 0;
}

int tonga_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
{
	int result;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
		cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
		result = (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ?  0 : -EINVAL;
/*
		if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_FanSpeedInTableIsRPM))
			hwmgr->set_max_fan_rpm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM);
		else
			hwmgr->set_max_fan_pwm_output(hwmgr, hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM);
*/
	} else {
		cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
		result = (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl) == 0) ?  0 : -EINVAL;
	}
/* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command.
	if (result == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature != 0)
		result = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanTemperatureTarget, \
								hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature) ? 0 : -EINVAL);
*/
	return result;
}


int tonga_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
{
	return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl) == 0) ?  0 : -EINVAL;
}

/**
* Set Fan Speed in percent.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    speed is the percentage value (0% - 100%) to be set.
* @exception Fails is the 100% setting appears to be 0.
*/
int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed)
{
	uint32_t duty100;
	uint32_t duty;
	uint64_t tmp64;

	if (hwmgr->thermal_controller.fanInfo.bNoFan)
		return -EINVAL;

	if (speed > 100)
		speed = 100;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
		tonga_fan_ctrl_stop_smc_fan_control(hwmgr);

	duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100);

	if (0 == duty100)
		return -EINVAL;

	tmp64 = (uint64_t)speed * 100;
	do_div(tmp64, duty100);
	duty = (uint32_t)tmp64;

	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);

	return tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
}

/**
* Reset Fan Speed to default.
* @param    hwmgr  the address of the powerplay hardware manager.
* @exception Always succeeds.
*/
int tonga_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
{
	int result;

	if (hwmgr->thermal_controller.fanInfo.bNoFan)
		return 0;

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) {
		result = tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
		if (0 == result)
			result = tonga_fan_ctrl_start_smc_fan_control(hwmgr);
	} else
		result = tonga_fan_ctrl_set_default_mode(hwmgr);

	return result;
}

/**
* Set Fan Speed in RPM.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    speed is the percentage value (min - max) to be set.
* @exception Fails is the speed not lie between min and max.
*/
int tonga_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
{
	return 0;
}

/**
* Reads the remote temperature from the SIslands thermal controller.
*
* @param    hwmgr The address of the hardware manager.
*/
int tonga_thermal_get_temperature(struct pp_hwmgr *hwmgr)
{
	int temp;

	temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_STATUS, CTF_TEMP);

/* Bit 9 means the reading is lower than the lowest usable value. */
	if (0 != (0x200 & temp))
		temp = TONGA_THERMAL_MAXIMUM_TEMP_READING;
	else
		temp = (temp & 0x1ff);

	temp = temp * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;

	return temp;
}

/**
* Set the requested temperature range for high and low alert signals
*
* @param    hwmgr The address of the hardware manager.
* @param    range Temperature range to be programmed for high and low alert signals
* @exception PP_Result_BadInput if the input data is not valid.
*/
static int tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, uint32_t low_temp, uint32_t high_temp)
{
	uint32_t low = TONGA_THERMAL_MINIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
	uint32_t high = TONGA_THERMAL_MAXIMUM_ALERT_TEMP * PP_TEMPERATURE_UNITS_PER_CENTIGRADES;

	if (low < low_temp)
		low = low_temp;
	if (high > high_temp)
		high = high_temp;

	if (low > high)
		return -EINVAL;

	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, DIG_THERM_INTH, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, DIG_THERM_INTL, (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL, DIG_THERM_DPM, (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));

	return 0;
}

/**
* Programs thermal controller one-time setting registers
*
* @param    hwmgr The address of the hardware manager.
*/
static int tonga_thermal_initialize(struct pp_hwmgr *hwmgr)
{
	if (0 != hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution)
		PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
						CG_TACH_CTRL, EDGE_PER_REV,
						hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution - 1);

	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28);

	return 0;
}

/**
* Enable thermal alerts on the RV770 thermal controller.
*
* @param    hwmgr The address of the hardware manager.
*/
static int tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr)
{
	uint32_t alert;

	alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK);
	alert &= ~(TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_THERMAL_LOW_ALERT_MASK);
	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK, alert);

	/* send message to SMU to enable internal thermal interrupts */
	return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable) == 0) ? 0 : -1;
}

/**
* Disable thermal alerts on the RV770 thermal controller.
* @param    hwmgr The address of the hardware manager.
*/
static int tonga_thermal_disable_alert(struct pp_hwmgr *hwmgr)
{
	uint32_t alert;

	alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK);
	alert |= (TONGA_THERMAL_HIGH_ALERT_MASK | TONGA_THERMAL_LOW_ALERT_MASK);
	PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_INT, THERM_INT_MASK, alert);

	/* send message to SMU to disable internal thermal interrupts */
	return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable) == 0) ? 0 : -1;
}

/**
* Uninitialize the thermal controller.
* Currently just disables alerts.
* @param    hwmgr The address of the hardware manager.
*/
int tonga_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
{
	int result = tonga_thermal_disable_alert(hwmgr);

	if (hwmgr->thermal_controller.fanInfo.bNoFan)
		tonga_fan_ctrl_set_default_mode(hwmgr);

	return result;
}

/**
* Set up the fan table to control the fan using the SMC.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from set temperature range routine
*/
int tf_tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result)
{
	struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
	SMU72_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
	uint32_t duty100;
	uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
	uint16_t fdo_min, slope1, slope2;
	uint32_t reference_clock;
	int res;
	uint64_t tmp64;

	if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
		return 0;

	if (0 == data->fan_table_start) {
		phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
		return 0;
	}

	duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100);

	if (0 == duty100) {
		phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
		return 0;
	}

	tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin * duty100;
	do_div(tmp64, 10000);
	fdo_min = (uint16_t)tmp64;

	t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed - hwmgr->thermal_controller.advanceFanControlParameters.usTMin;
	t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh - hwmgr->thermal_controller.advanceFanControlParameters.usTMed;

	pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin;
	pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed;

	slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
	slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);

	fan_table.TempMin = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMin) / 100);
	fan_table.TempMed = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMed) / 100);
	fan_table.TempMax = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMax) / 100);

	fan_table.Slope1 = cpu_to_be16(slope1);
	fan_table.Slope2 = cpu_to_be16(slope2);

	fan_table.FdoMin = cpu_to_be16(fdo_min);

	fan_table.HystDown = cpu_to_be16(hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst);

	fan_table.HystUp = cpu_to_be16(1);

	fan_table.HystSlope = cpu_to_be16(1);

	fan_table.TempRespLim = cpu_to_be16(5);

	reference_clock = tonga_get_xclk(hwmgr);

	fan_table.RefreshPeriod = cpu_to_be32((hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay * reference_clock) / 1600);

	fan_table.FdoMax = cpu_to_be16((uint16_t)duty100);

	fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_CTRL, TEMP_SEL);

	fan_table.FanControl_GL_Flag = 1;

	res = tonga_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), data->sram_end);
/* TO DO FOR SOME DEVICE ID 0X692b, send this msg return invalid command.
	if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit != 0)
		res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanMinPwm, \
						hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit) ? 0 : -1);

	if (res == 0 && hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit != 0)
		res = (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanSclkTarget, \
					hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit) ? 0 : -1);

	if (0 != res)
		phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
*/
	return 0;
}

/**
* Start the fan control on the SMC.
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from set temperature range routine
*/
int tf_tonga_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result)
{
/* If the fantable setup has failed we could have disabled PHM_PlatformCaps_MicrocodeFanControl even after this function was included in the table.
 * Make sure that we still think controlling the fan is OK.
*/
	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) {
		tonga_fan_ctrl_start_smc_fan_control(hwmgr);
		tonga_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
	}

	return 0;
}

/**
* Set temperature range for high and low alerts
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from set temperature range routine
*/
int tf_tonga_thermal_set_temperature_range(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result)
{
	struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input;

	if (range == NULL)
		return -EINVAL;

	return tonga_thermal_set_temperature_range(hwmgr, range->min, range->max);
}

/**
* Programs one-time setting registers
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from initialize thermal controller routine
*/
int tf_tonga_thermal_initialize(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result)
{
    return tonga_thermal_initialize(hwmgr);
}

/**
* Enable high and low alerts
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from enable alert routine
*/
int tf_tonga_thermal_enable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result)
{
	return tonga_thermal_enable_alert(hwmgr);
}

/**
* Disable high and low alerts
* @param    hwmgr  the address of the powerplay hardware manager.
* @param    pInput the pointer to input data
* @param    pOutput the pointer to output data
* @param    pStorage the pointer to temporary storage
* @param    Result the last failure code
* @return   result from disable alert routine
*/
static int tf_tonga_thermal_disable_alert(struct pp_hwmgr *hwmgr, void *input, void *output, void *storage, int result)
{
	return tonga_thermal_disable_alert(hwmgr);
}

static struct phm_master_table_item tonga_thermal_start_thermal_controller_master_list[] = {
	{ NULL, tf_tonga_thermal_initialize },
	{ NULL, tf_tonga_thermal_set_temperature_range },
	{ NULL, tf_tonga_thermal_enable_alert },
/* We should restrict performance levels to low before we halt the SMC.
 * On the other hand we are still in boot state when we do this so it would be pointless.
 * If this assumption changes we have to revisit this table.
 */
	{ NULL, tf_tonga_thermal_setup_fan_table},
	{ NULL, tf_tonga_thermal_start_smc_fan_control},
	{ NULL, NULL }
};

static struct phm_master_table_header tonga_thermal_start_thermal_controller_master = {
	0,
	PHM_MasterTableFlag_None,
	tonga_thermal_start_thermal_controller_master_list
};

static struct phm_master_table_item tonga_thermal_set_temperature_range_master_list[] = {
	{ NULL, tf_tonga_thermal_disable_alert},
	{ NULL, tf_tonga_thermal_set_temperature_range},
	{ NULL, tf_tonga_thermal_enable_alert},
	{ NULL, NULL }
};

struct phm_master_table_header tonga_thermal_set_temperature_range_master = {
	0,
	PHM_MasterTableFlag_None,
	tonga_thermal_set_temperature_range_master_list
};

int tonga_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
{
	if (!hwmgr->thermal_controller.fanInfo.bNoFan)
		tonga_fan_ctrl_set_default_mode(hwmgr);
	return 0;
}

/**
* Initializes the thermal controller related functions in the Hardware Manager structure.
* @param    hwmgr The address of the hardware manager.
* @exception Any error code from the low-level communication.
*/
int pp_tonga_thermal_initialize(struct pp_hwmgr *hwmgr)
{
	int result;

	result = phm_construct_table(hwmgr, &tonga_thermal_set_temperature_range_master, &(hwmgr->set_temperature_range));

	if (0 == result) {
		result = phm_construct_table(hwmgr,
						&tonga_thermal_start_thermal_controller_master,
						&(hwmgr->start_thermal_controller));
		if (0 != result)
			phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range));
	}

	if (0 == result)
		hwmgr->fan_ctrl_is_in_default_mode = true;
	return result;
}

OpenPOWER on IntegriCloud