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path: root/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c711
1 files changed, 711 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c
new file mode 100644
index 000000000000..956e00ca361a
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c
@@ -0,0 +1,711 @@
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 "polaris10_thermal.h"
25#include "polaris10_hwmgr.h"
26#include "polaris10_smumgr.h"
27#include "polaris10_ppsmc.h"
28#include "smu/smu_7_1_3_d.h"
29#include "smu/smu_7_1_3_sh_mask.h"
30
31int polaris10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
32 struct phm_fan_speed_info *fan_speed_info)
33{
34 if (hwmgr->thermal_controller.fanInfo.bNoFan)
35 return 0;
36
37 fan_speed_info->supports_percent_read = true;
38 fan_speed_info->supports_percent_write = true;
39 fan_speed_info->min_percent = 0;
40 fan_speed_info->max_percent = 100;
41
42 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
43 PHM_PlatformCaps_FanSpeedInTableIsRPM) &&
44 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution) {
45 fan_speed_info->supports_rpm_read = true;
46 fan_speed_info->supports_rpm_write = true;
47 fan_speed_info->min_rpm = hwmgr->thermal_controller.fanInfo.ulMinRPM;
48 fan_speed_info->max_rpm = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
49 } else {
50 fan_speed_info->min_rpm = 0;
51 fan_speed_info->max_rpm = 0;
52 }
53
54 return 0;
55}
56
57int polaris10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
58 uint32_t *speed)
59{
60 uint32_t duty100;
61 uint32_t duty;
62 uint64_t tmp64;
63
64 if (hwmgr->thermal_controller.fanInfo.bNoFan)
65 return 0;
66
67 duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
68 CG_FDO_CTRL1, FMAX_DUTY100);
69 duty = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
70 CG_THERMAL_STATUS, FDO_PWM_DUTY);
71
72 if (duty100 == 0)
73 return -EINVAL;
74
75
76 tmp64 = (uint64_t)duty * 100;
77 do_div(tmp64, duty100);
78 *speed = (uint32_t)tmp64;
79
80 if (*speed > 100)
81 *speed = 100;
82
83 return 0;
84}
85
86int polaris10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
87{
88 uint32_t tach_period;
89 uint32_t crystal_clock_freq;
90
91 if (hwmgr->thermal_controller.fanInfo.bNoFan ||
92 (hwmgr->thermal_controller.fanInfo.
93 ucTachometerPulsesPerRevolution == 0))
94 return 0;
95
96 tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
97 CG_TACH_STATUS, TACH_PERIOD);
98
99 if (tach_period == 0)
100 return -EINVAL;
101
102 crystal_clock_freq = tonga_get_xclk(hwmgr);
103
104 *speed = 60 * crystal_clock_freq * 10000 / tach_period;
105
106 return 0;
107}
108
109/**
110* Set Fan Speed Control to static mode, so that the user can decide what speed to use.
111* @param hwmgr the address of the powerplay hardware manager.
112* mode the fan control mode, 0 default, 1 by percent, 5, by RPM
113* @exception Should always succeed.
114*/
115int polaris10_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
116{
117
118 if (hwmgr->fan_ctrl_is_in_default_mode) {
119 hwmgr->fan_ctrl_default_mode =
120 PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
121 CG_FDO_CTRL2, FDO_PWM_MODE);
122 hwmgr->tmin =
123 PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
124 CG_FDO_CTRL2, TMIN);
125 hwmgr->fan_ctrl_is_in_default_mode = false;
126 }
127
128 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
129 CG_FDO_CTRL2, TMIN, 0);
130 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
131 CG_FDO_CTRL2, FDO_PWM_MODE, mode);
132
133 return 0;
134}
135
136/**
137* Reset Fan Speed Control to default mode.
138* @param hwmgr the address of the powerplay hardware manager.
139* @exception Should always succeed.
140*/
141int polaris10_fan_ctrl_set_default_mode(struct pp_hwmgr *hwmgr)
142{
143 if (!hwmgr->fan_ctrl_is_in_default_mode) {
144 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
145 CG_FDO_CTRL2, FDO_PWM_MODE, hwmgr->fan_ctrl_default_mode);
146 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
147 CG_FDO_CTRL2, TMIN, hwmgr->tmin);
148 hwmgr->fan_ctrl_is_in_default_mode = true;
149 }
150
151 return 0;
152}
153
154int polaris10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
155{
156 int result;
157
158 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
159 PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
160 cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
161 result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
162
163 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
164 PHM_PlatformCaps_FanSpeedInTableIsRPM))
165 hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr,
166 hwmgr->thermal_controller.
167 advanceFanControlParameters.usMaxFanRPM);
168 else
169 hwmgr->hwmgr_func->set_max_fan_pwm_output(hwmgr,
170 hwmgr->thermal_controller.
171 advanceFanControlParameters.usMaxFanPWM);
172
173 } else {
174 cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
175 result = smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StartFanControl);
176 }
177
178 if (!result && hwmgr->thermal_controller.
179 advanceFanControlParameters.ucTargetTemperature)
180 result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
181 PPSMC_MSG_SetFanTemperatureTarget,
182 hwmgr->thermal_controller.
183 advanceFanControlParameters.ucTargetTemperature);
184
185 return result;
186}
187
188
189int polaris10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
190{
191 return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_StopFanControl);
192}
193
194/**
195* Set Fan Speed in percent.
196* @param hwmgr the address of the powerplay hardware manager.
197* @param speed is the percentage value (0% - 100%) to be set.
198* @exception Fails is the 100% setting appears to be 0.
199*/
200int polaris10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
201 uint32_t speed)
202{
203 uint32_t duty100;
204 uint32_t duty;
205 uint64_t tmp64;
206
207 if (hwmgr->thermal_controller.fanInfo.bNoFan)
208 return 0;
209
210 if (speed > 100)
211 speed = 100;
212
213 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
214 PHM_PlatformCaps_MicrocodeFanControl))
215 polaris10_fan_ctrl_stop_smc_fan_control(hwmgr);
216
217 duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
218 CG_FDO_CTRL1, FMAX_DUTY100);
219
220 if (duty100 == 0)
221 return -EINVAL;
222
223 tmp64 = (uint64_t)speed * duty100;
224 do_div(tmp64, 100);
225 duty = (uint32_t)tmp64;
226
227 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
228 CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);
229
230 return polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
231}
232
233/**
234* Reset Fan Speed to default.
235* @param hwmgr the address of the powerplay hardware manager.
236* @exception Always succeeds.
237*/
238int polaris10_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
239{
240 int result;
241
242 if (hwmgr->thermal_controller.fanInfo.bNoFan)
243 return 0;
244
245 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
246 PHM_PlatformCaps_MicrocodeFanControl)) {
247 result = polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
248 if (!result)
249 result = polaris10_fan_ctrl_start_smc_fan_control(hwmgr);
250 } else
251 result = polaris10_fan_ctrl_set_default_mode(hwmgr);
252
253 return result;
254}
255
256/**
257* Set Fan Speed in RPM.
258* @param hwmgr the address of the powerplay hardware manager.
259* @param speed is the percentage value (min - max) to be set.
260* @exception Fails is the speed not lie between min and max.
261*/
262int polaris10_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed)
263{
264 uint32_t tach_period;
265 uint32_t crystal_clock_freq;
266
267 if (hwmgr->thermal_controller.fanInfo.bNoFan ||
268 (hwmgr->thermal_controller.fanInfo.
269 ucTachometerPulsesPerRevolution == 0) ||
270 (speed < hwmgr->thermal_controller.fanInfo.ulMinRPM) ||
271 (speed > hwmgr->thermal_controller.fanInfo.ulMaxRPM))
272 return 0;
273
274 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
275 PHM_PlatformCaps_MicrocodeFanControl))
276 polaris10_fan_ctrl_stop_smc_fan_control(hwmgr);
277
278 crystal_clock_freq = tonga_get_xclk(hwmgr);
279
280 tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
281
282 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
283 CG_TACH_STATUS, TACH_PERIOD, tach_period);
284
285 return polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
286}
287
288/**
289* Reads the remote temperature from the SIslands thermal controller.
290*
291* @param hwmgr The address of the hardware manager.
292*/
293int polaris10_thermal_get_temperature(struct pp_hwmgr *hwmgr)
294{
295 int temp;
296
297 temp = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
298 CG_MULT_THERMAL_STATUS, CTF_TEMP);
299
300 /* Bit 9 means the reading is lower than the lowest usable value. */
301 if (temp & 0x200)
302 temp = POLARIS10_THERMAL_MAXIMUM_TEMP_READING;
303 else
304 temp = temp & 0x1ff;
305
306 temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
307
308 return temp;
309}
310
311/**
312* Set the requested temperature range for high and low alert signals
313*
314* @param hwmgr The address of the hardware manager.
315* @param range Temperature range to be programmed for high and low alert signals
316* @exception PP_Result_BadInput if the input data is not valid.
317*/
318static int polaris10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
319 uint32_t low_temp, uint32_t high_temp)
320{
321 uint32_t low = POLARIS10_THERMAL_MINIMUM_ALERT_TEMP *
322 PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
323 uint32_t high = POLARIS10_THERMAL_MAXIMUM_ALERT_TEMP *
324 PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
325
326 if (low < low_temp)
327 low = low_temp;
328 if (high > high_temp)
329 high = high_temp;
330
331 if (low > high)
332 return -EINVAL;
333
334 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
335 CG_THERMAL_INT, DIG_THERM_INTH,
336 (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
337 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
338 CG_THERMAL_INT, DIG_THERM_INTL,
339 (low / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
340 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
341 CG_THERMAL_CTRL, DIG_THERM_DPM,
342 (high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES));
343
344 return 0;
345}
346
347/**
348* Programs thermal controller one-time setting registers
349*
350* @param hwmgr The address of the hardware manager.
351*/
352static int polaris10_thermal_initialize(struct pp_hwmgr *hwmgr)
353{
354 if (hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution)
355 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
356 CG_TACH_CTRL, EDGE_PER_REV,
357 hwmgr->thermal_controller.fanInfo.
358 ucTachometerPulsesPerRevolution - 1);
359
360 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
361 CG_FDO_CTRL2, TACH_PWM_RESP_RATE, 0x28);
362
363 return 0;
364}
365
366/**
367* Enable thermal alerts on the RV770 thermal controller.
368*
369* @param hwmgr The address of the hardware manager.
370*/
371static int polaris10_thermal_enable_alert(struct pp_hwmgr *hwmgr)
372{
373 uint32_t alert;
374
375 alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
376 CG_THERMAL_INT, THERM_INT_MASK);
377 alert &= ~(POLARIS10_THERMAL_HIGH_ALERT_MASK | POLARIS10_THERMAL_LOW_ALERT_MASK);
378 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
379 CG_THERMAL_INT, THERM_INT_MASK, alert);
380
381 /* send message to SMU to enable internal thermal interrupts */
382 return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Enable);
383}
384
385/**
386* Disable thermal alerts on the RV770 thermal controller.
387* @param hwmgr The address of the hardware manager.
388*/
389static int polaris10_thermal_disable_alert(struct pp_hwmgr *hwmgr)
390{
391 uint32_t alert;
392
393 alert = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
394 CG_THERMAL_INT, THERM_INT_MASK);
395 alert |= (POLARIS10_THERMAL_HIGH_ALERT_MASK | POLARIS10_THERMAL_LOW_ALERT_MASK);
396 PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
397 CG_THERMAL_INT, THERM_INT_MASK, alert);
398
399 /* send message to SMU to disable internal thermal interrupts */
400 return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_Thermal_Cntl_Disable);
401}
402
403/**
404* Uninitialize the thermal controller.
405* Currently just disables alerts.
406* @param hwmgr The address of the hardware manager.
407*/
408int polaris10_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
409{
410 int result = polaris10_thermal_disable_alert(hwmgr);
411
412 if (!hwmgr->thermal_controller.fanInfo.bNoFan)
413 polaris10_fan_ctrl_set_default_mode(hwmgr);
414
415 return result;
416}
417
418/**
419* Set up the fan table to control the fan using the SMC.
420* @param hwmgr the address of the powerplay hardware manager.
421* @param pInput the pointer to input data
422* @param pOutput the pointer to output data
423* @param pStorage the pointer to temporary storage
424* @param Result the last failure code
425* @return result from set temperature range routine
426*/
427int tf_polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr,
428 void *input, void *output, void *storage, int result)
429{
430 struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
431 SMU74_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
432 uint32_t duty100;
433 uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
434 uint16_t fdo_min, slope1, slope2;
435 uint32_t reference_clock;
436 int res;
437 uint64_t tmp64;
438
439 if (data->fan_table_start == 0) {
440 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
441 PHM_PlatformCaps_MicrocodeFanControl);
442 return 0;
443 }
444
445 duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
446 CG_FDO_CTRL1, FMAX_DUTY100);
447
448 if (duty100 == 0) {
449 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
450 PHM_PlatformCaps_MicrocodeFanControl);
451 return 0;
452 }
453
454 tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.
455 usPWMMin * duty100;
456 do_div(tmp64, 10000);
457 fdo_min = (uint16_t)tmp64;
458
459 t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed -
460 hwmgr->thermal_controller.advanceFanControlParameters.usTMin;
461 t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh -
462 hwmgr->thermal_controller.advanceFanControlParameters.usTMed;
463
464 pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed -
465 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin;
466 pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh -
467 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed;
468
469 slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
470 slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);
471
472 fan_table.TempMin = cpu_to_be16((50 + hwmgr->
473 thermal_controller.advanceFanControlParameters.usTMin) / 100);
474 fan_table.TempMed = cpu_to_be16((50 + hwmgr->
475 thermal_controller.advanceFanControlParameters.usTMed) / 100);
476 fan_table.TempMax = cpu_to_be16((50 + hwmgr->
477 thermal_controller.advanceFanControlParameters.usTMax) / 100);
478
479 fan_table.Slope1 = cpu_to_be16(slope1);
480 fan_table.Slope2 = cpu_to_be16(slope2);
481
482 fan_table.FdoMin = cpu_to_be16(fdo_min);
483
484 fan_table.HystDown = cpu_to_be16(hwmgr->
485 thermal_controller.advanceFanControlParameters.ucTHyst);
486
487 fan_table.HystUp = cpu_to_be16(1);
488
489 fan_table.HystSlope = cpu_to_be16(1);
490
491 fan_table.TempRespLim = cpu_to_be16(5);
492
493 reference_clock = tonga_get_xclk(hwmgr);
494
495 fan_table.RefreshPeriod = cpu_to_be32((hwmgr->
496 thermal_controller.advanceFanControlParameters.ulCycleDelay *
497 reference_clock) / 1600);
498
499 fan_table.FdoMax = cpu_to_be16((uint16_t)duty100);
500
501 fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(
502 hwmgr->device, CGS_IND_REG__SMC,
503 CG_MULT_THERMAL_CTRL, TEMP_SEL);
504
505 res = polaris10_copy_bytes_to_smc(hwmgr->smumgr, data->fan_table_start,
506 (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table),
507 data->sram_end);
508
509 if (!res && hwmgr->thermal_controller.
510 advanceFanControlParameters.ucMinimumPWMLimit)
511 res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
512 PPSMC_MSG_SetFanMinPwm,
513 hwmgr->thermal_controller.
514 advanceFanControlParameters.ucMinimumPWMLimit);
515
516 if (!res && hwmgr->thermal_controller.
517 advanceFanControlParameters.ulMinFanSCLKAcousticLimit)
518 res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
519 PPSMC_MSG_SetFanSclkTarget,
520 hwmgr->thermal_controller.
521 advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
522
523 if (res)
524 phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
525 PHM_PlatformCaps_MicrocodeFanControl);
526
527 return 0;
528}
529
530/**
531* Start the fan control on the SMC.
532* @param hwmgr the address of the powerplay hardware manager.
533* @param pInput the pointer to input data
534* @param pOutput the pointer to output data
535* @param pStorage the pointer to temporary storage
536* @param Result the last failure code
537* @return result from set temperature range routine
538*/
539int tf_polaris10_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr,
540 void *input, void *output, void *storage, int result)
541{
542/* If the fantable setup has failed we could have disabled
543 * PHM_PlatformCaps_MicrocodeFanControl even after
544 * this function was included in the table.
545 * Make sure that we still think controlling the fan is OK.
546*/
547 if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
548 PHM_PlatformCaps_MicrocodeFanControl)) {
549 polaris10_fan_ctrl_start_smc_fan_control(hwmgr);
550 polaris10_fan_ctrl_set_static_mode(hwmgr, FDO_PWM_MODE_STATIC);
551 }
552
553 return 0;
554}
555
556/**
557* Set temperature range for high and low alerts
558* @param hwmgr the address of the powerplay hardware manager.
559* @param pInput the pointer to input data
560* @param pOutput the pointer to output data
561* @param pStorage the pointer to temporary storage
562* @param Result the last failure code
563* @return result from set temperature range routine
564*/
565int tf_polaris10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
566 void *input, void *output, void *storage, int result)
567{
568 struct PP_TemperatureRange *range = (struct PP_TemperatureRange *)input;
569
570 if (range == NULL)
571 return -EINVAL;
572
573 return polaris10_thermal_set_temperature_range(hwmgr, range->min, range->max);
574}
575
576/**
577* Programs one-time setting registers
578* @param hwmgr the address of the powerplay hardware manager.
579* @param pInput the pointer to input data
580* @param pOutput the pointer to output data
581* @param pStorage the pointer to temporary storage
582* @param Result the last failure code
583* @return result from initialize thermal controller routine
584*/
585int tf_polaris10_thermal_initialize(struct pp_hwmgr *hwmgr,
586 void *input, void *output, void *storage, int result)
587{
588 return polaris10_thermal_initialize(hwmgr);
589}
590
591/**
592* Enable high and low alerts
593* @param hwmgr the address of the powerplay hardware manager.
594* @param pInput the pointer to input data
595* @param pOutput the pointer to output data
596* @param pStorage the pointer to temporary storage
597* @param Result the last failure code
598* @return result from enable alert routine
599*/
600int tf_polaris10_thermal_enable_alert(struct pp_hwmgr *hwmgr,
601 void *input, void *output, void *storage, int result)
602{
603 return polaris10_thermal_enable_alert(hwmgr);
604}
605
606/**
607* Disable high and low alerts
608* @param hwmgr the address of the powerplay hardware manager.
609* @param pInput the pointer to input data
610* @param pOutput the pointer to output data
611* @param pStorage the pointer to temporary storage
612* @param Result the last failure code
613* @return result from disable alert routine
614*/
615static int tf_polaris10_thermal_disable_alert(struct pp_hwmgr *hwmgr,
616 void *input, void *output, void *storage, int result)
617{
618 return polaris10_thermal_disable_alert(hwmgr);
619}
620
621static int tf_polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr,
622 void *input, void *output, void *storage, int result)
623{
624 int ret;
625 struct pp_smumgr *smumgr = (struct pp_smumgr *)(hwmgr->smumgr);
626 struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend);
627
628 if (smu_data->avfs.avfs_btc_status != AVFS_BTC_ENABLEAVFS)
629 return 0;
630
631 ret = (smum_send_msg_to_smc(smumgr, PPSMC_MSG_EnableAvfs) == 0) ?
632 0 : -1;
633
634 if (!ret)
635 /* If this param is not changed, this function could fire unnecessarily */
636 smu_data->avfs.avfs_btc_status = AVFS_BTC_COMPLETED_PREVIOUSLY;
637
638 return ret;
639}
640
641static const struct phm_master_table_item
642polaris10_thermal_start_thermal_controller_master_list[] = {
643 {NULL, tf_polaris10_thermal_initialize},
644 {NULL, tf_polaris10_thermal_set_temperature_range},
645 {NULL, tf_polaris10_thermal_enable_alert},
646 {NULL, tf_polaris10_thermal_avfs_enable},
647/* We should restrict performance levels to low before we halt the SMC.
648 * On the other hand we are still in boot state when we do this
649 * so it would be pointless.
650 * If this assumption changes we have to revisit this table.
651 */
652 {NULL, tf_polaris10_thermal_setup_fan_table},
653 {NULL, tf_polaris10_thermal_start_smc_fan_control},
654 {NULL, NULL}
655};
656
657static const struct phm_master_table_header
658polaris10_thermal_start_thermal_controller_master = {
659 0,
660 PHM_MasterTableFlag_None,
661 polaris10_thermal_start_thermal_controller_master_list
662};
663
664static const struct phm_master_table_item
665polaris10_thermal_set_temperature_range_master_list[] = {
666 {NULL, tf_polaris10_thermal_disable_alert},
667 {NULL, tf_polaris10_thermal_set_temperature_range},
668 {NULL, tf_polaris10_thermal_enable_alert},
669 {NULL, NULL}
670};
671
672static const struct phm_master_table_header
673polaris10_thermal_set_temperature_range_master = {
674 0,
675 PHM_MasterTableFlag_None,
676 polaris10_thermal_set_temperature_range_master_list
677};
678
679int polaris10_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr)
680{
681 if (!hwmgr->thermal_controller.fanInfo.bNoFan)
682 polaris10_fan_ctrl_set_default_mode(hwmgr);
683 return 0;
684}
685
686/**
687* Initializes the thermal controller related functions in the Hardware Manager structure.
688* @param hwmgr The address of the hardware manager.
689* @exception Any error code from the low-level communication.
690*/
691int pp_polaris10_thermal_initialize(struct pp_hwmgr *hwmgr)
692{
693 int result;
694
695 result = phm_construct_table(hwmgr,
696 &polaris10_thermal_set_temperature_range_master,
697 &(hwmgr->set_temperature_range));
698
699 if (!result) {
700 result = phm_construct_table(hwmgr,
701 &polaris10_thermal_start_thermal_controller_master,
702 &(hwmgr->start_thermal_controller));
703 if (result)
704 phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range));
705 }
706
707 if (!result)
708 hwmgr->fan_ctrl_is_in_default_mode = true;
709 return result;
710}
711
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