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24#include "vega12_thermal.h"
25#include "vega12_hwmgr.h"
26#include "vega12_smumgr.h"
27#include "vega12_ppsmc.h"
28#include "vega12_inc.h"
29#include "soc15_common.h"
30#include "pp_debug.h"
31
32static int vega12_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
33{
34 PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
35 PPSMC_MSG_GetCurrentRpm,
36 current_rpm),
37 "Attempt to get current RPM from SMC Failed!",
38 return -EINVAL);
39
40 return 0;
41}
42
43int vega12_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
44 struct phm_fan_speed_info *fan_speed_info)
45{
46 memset(fan_speed_info, 0, sizeof(*fan_speed_info));
47 fan_speed_info->supports_percent_read = false;
48 fan_speed_info->supports_percent_write = false;
49 fan_speed_info->supports_rpm_read = true;
50 fan_speed_info->supports_rpm_write = true;
51
52 return 0;
53}
54
55int vega12_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed)
56{
57 *speed = 0;
58
59 return vega12_get_current_rpm(hwmgr, speed);
60}
61
62
63
64
65
66
67
68static int vega12_enable_fan_control_feature(struct pp_hwmgr *hwmgr)
69{
70#if 0
71 struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
72
73 if (data->smu_features[GNLD_FAN_CONTROL].supported) {
74 PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(
75 hwmgr, true,
76 data->smu_features[GNLD_FAN_CONTROL].
77 smu_feature_bitmap),
78 "Attempt to Enable FAN CONTROL feature Failed!",
79 return -1);
80 data->smu_features[GNLD_FAN_CONTROL].enabled = true;
81 }
82#endif
83 return 0;
84}
85
86static int vega12_disable_fan_control_feature(struct pp_hwmgr *hwmgr)
87{
88#if 0
89 struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
90
91 if (data->smu_features[GNLD_FAN_CONTROL].supported) {
92 PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(
93 hwmgr, false,
94 data->smu_features[GNLD_FAN_CONTROL].
95 smu_feature_bitmap),
96 "Attempt to Enable FAN CONTROL feature Failed!",
97 return -1);
98 data->smu_features[GNLD_FAN_CONTROL].enabled = false;
99 }
100#endif
101 return 0;
102}
103
104int vega12_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
105{
106 struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
107
108 if (data->smu_features[GNLD_FAN_CONTROL].supported)
109 PP_ASSERT_WITH_CODE(
110 !vega12_enable_fan_control_feature(hwmgr),
111 "Attempt to Enable SMC FAN CONTROL Feature Failed!",
112 return -1);
113
114 return 0;
115}
116
117
118int vega12_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
119{
120 struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
121
122 if (data->smu_features[GNLD_FAN_CONTROL].supported)
123 PP_ASSERT_WITH_CODE(!vega12_disable_fan_control_feature(hwmgr),
124 "Attempt to Disable SMC FAN CONTROL Feature Failed!",
125 return -1);
126
127 return 0;
128}
129
130
131
132
133
134
135int vega12_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr)
136{
137 return vega12_fan_ctrl_start_smc_fan_control(hwmgr);
138}
139
140
141
142
143
144
145int vega12_thermal_get_temperature(struct pp_hwmgr *hwmgr)
146{
147 struct amdgpu_device *adev = hwmgr->adev;
148 int temp = 0;
149
150 temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS);
151
152 temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >>
153 CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT;
154
155 temp = temp & 0x1ff;
156
157 temp *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
158 return temp;
159}
160
161
162
163
164
165
166
167
168
169static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
170 struct PP_TemperatureRange *range)
171{
172 struct phm_ppt_v3_information *pptable_information =
173 (struct phm_ppt_v3_information *)hwmgr->pptable;
174 struct amdgpu_device *adev = hwmgr->adev;
175 int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP;
176 int high = VEGA12_THERMAL_MAXIMUM_ALERT_TEMP;
177 uint32_t val;
178
179
180 if (low < range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES)
181 low = range->min / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
182 if (high > pptable_information->us_software_shutdown_temp)
183 high = pptable_information->us_software_shutdown_temp;
184
185 if (low > high)
186 return -EINVAL;
187
188 val = RREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL);
189
190 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, MAX_IH_CREDIT, 5);
191 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, THERM_IH_HW_ENA, 1);
192 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTH, high);
193 val = REG_SET_FIELD(val, THM_THERMAL_INT_CTRL, DIG_THERM_INTL, low);
194 val = val & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);
195
196 WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_CTRL, val);
197
198 return 0;
199}
200
201
202
203
204
205
206static int vega12_thermal_enable_alert(struct pp_hwmgr *hwmgr)
207{
208 struct amdgpu_device *adev = hwmgr->adev;
209 uint32_t val = 0;
210
211 val |= (1 << THM_THERMAL_INT_ENA__THERM_INTH_CLR__SHIFT);
212 val |= (1 << THM_THERMAL_INT_ENA__THERM_INTL_CLR__SHIFT);
213 val |= (1 << THM_THERMAL_INT_ENA__THERM_TRIGGER_CLR__SHIFT);
214
215 WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, val);
216
217 return 0;
218}
219
220
221
222
223
224int vega12_thermal_disable_alert(struct pp_hwmgr *hwmgr)
225{
226 struct amdgpu_device *adev = hwmgr->adev;
227
228 WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0);
229
230 return 0;
231}
232
233
234
235
236
237
238int vega12_thermal_stop_thermal_controller(struct pp_hwmgr *hwmgr)
239{
240 int result = vega12_thermal_disable_alert(hwmgr);
241
242 return result;
243}
244
245
246
247
248
249static int vega12_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
250{
251 int ret;
252 struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
253 PPTable_t *table = &(data->smc_state_table.pp_table);
254
255 ret = smum_send_msg_to_smc_with_parameter(hwmgr,
256 PPSMC_MSG_SetFanTemperatureTarget,
257 (uint32_t)table->FanTargetTemperature,
258 NULL);
259
260 return ret;
261}
262
263
264
265
266
267
268static int vega12_thermal_start_smc_fan_control(struct pp_hwmgr *hwmgr)
269{
270
271
272
273
274
275 if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl))
276 vega12_fan_ctrl_start_smc_fan_control(hwmgr);
277
278 return 0;
279}
280
281
282int vega12_start_thermal_controller(struct pp_hwmgr *hwmgr,
283 struct PP_TemperatureRange *range)
284{
285 int ret = 0;
286
287 if (range == NULL)
288 return -EINVAL;
289
290 ret = vega12_thermal_set_temperature_range(hwmgr, range);
291 if (ret)
292 return -EINVAL;
293
294 vega12_thermal_enable_alert(hwmgr);
295
296
297
298
299
300 ret = vega12_thermal_setup_fan_table(hwmgr);
301 if (ret)
302 return -EINVAL;
303
304 vega12_thermal_start_smc_fan_control(hwmgr);
305
306 return 0;
307};
308