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3bace359 JZ |
1 | /* |
2 | * Copyright 2015 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 | #include <linux/errno.h> | |
24 | #include "hwmgr.h" | |
25 | #include "hardwaremanager.h" | |
28a18bab | 26 | #include "power_state.h" |
e273b041 | 27 | #include "pp_debug.h" |
3bace359 | 28 | |
88b8dcbe RZ |
29 | #define PHM_FUNC_CHECK(hw) \ |
30 | do { \ | |
31 | if ((hw) == NULL || (hw)->hwmgr_func == NULL) \ | |
32 | return -EINVAL; \ | |
33 | } while (0) | |
34 | ||
28a18bab RZ |
35 | bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr) |
36 | { | |
37 | return hwmgr->block_hw_access; | |
38 | } | |
39 | ||
40 | int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block) | |
41 | { | |
42 | hwmgr->block_hw_access = block; | |
43 | return 0; | |
44 | } | |
45 | ||
3bace359 JZ |
46 | int phm_setup_asic(struct pp_hwmgr *hwmgr) |
47 | { | |
88b8dcbe RZ |
48 | PHM_FUNC_CHECK(hwmgr); |
49 | ||
3bace359 JZ |
50 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
51 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
52 | if (NULL != hwmgr->hwmgr_func->asic_setup) | |
53 | return hwmgr->hwmgr_func->asic_setup(hwmgr); | |
54 | } else { | |
28a18bab | 55 | return phm_dispatch_table(hwmgr, &(hwmgr->setup_asic), |
3bace359 JZ |
56 | NULL, NULL); |
57 | } | |
58 | ||
59 | return 0; | |
60 | } | |
61 | ||
e1d32e60 RZ |
62 | int phm_power_down_asic(struct pp_hwmgr *hwmgr) |
63 | { | |
64 | PHM_FUNC_CHECK(hwmgr); | |
65 | ||
66 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, | |
67 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
68 | if (NULL != hwmgr->hwmgr_func->power_off_asic) | |
69 | return hwmgr->hwmgr_func->power_off_asic(hwmgr); | |
70 | } else { | |
71 | return phm_dispatch_table(hwmgr, &(hwmgr->power_down_asic), | |
72 | NULL, NULL); | |
73 | } | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
28a18bab RZ |
78 | int phm_set_power_state(struct pp_hwmgr *hwmgr, |
79 | const struct pp_hw_power_state *pcurrent_state, | |
80 | const struct pp_hw_power_state *pnew_power_state) | |
81 | { | |
82 | struct phm_set_power_state_input states; | |
83 | ||
88b8dcbe RZ |
84 | PHM_FUNC_CHECK(hwmgr); |
85 | ||
28a18bab RZ |
86 | states.pcurrent_state = pcurrent_state; |
87 | states.pnew_state = pnew_power_state; | |
88 | ||
89 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, | |
90 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
91 | if (NULL != hwmgr->hwmgr_func->power_state_set) | |
92 | return hwmgr->hwmgr_func->power_state_set(hwmgr, &states); | |
93 | } else { | |
94 | return phm_dispatch_table(hwmgr, &(hwmgr->set_power_state), &states, NULL); | |
95 | } | |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
3bace359 JZ |
100 | int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr) |
101 | { | |
4cd05a74 RZ |
102 | int ret = 1; |
103 | bool enabled; | |
88b8dcbe RZ |
104 | PHM_FUNC_CHECK(hwmgr); |
105 | ||
3bace359 JZ |
106 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
107 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
108 | if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable) | |
4cd05a74 | 109 | ret = hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr); |
3bace359 | 110 | } else { |
4cd05a74 | 111 | ret = phm_dispatch_table(hwmgr, |
3bace359 JZ |
112 | &(hwmgr->enable_dynamic_state_management), |
113 | NULL, NULL); | |
114 | } | |
4cd05a74 RZ |
115 | |
116 | enabled = ret == 0 ? true : false; | |
117 | ||
118 | cgs_notify_dpm_enabled(hwmgr->device, enabled); | |
119 | ||
80597521 EH |
120 | return ret; |
121 | } | |
122 | ||
123 | int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr) | |
124 | { | |
125 | int ret = -1; | |
126 | bool enabled; | |
127 | ||
128 | PHM_FUNC_CHECK(hwmgr); | |
129 | ||
130 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, | |
131 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
132 | if (hwmgr->hwmgr_func->dynamic_state_management_disable) | |
133 | ret = hwmgr->hwmgr_func->dynamic_state_management_disable(hwmgr); | |
134 | } else { | |
135 | ret = phm_dispatch_table(hwmgr, | |
136 | &(hwmgr->disable_dynamic_state_management), | |
137 | NULL, NULL); | |
138 | } | |
139 | ||
140 | enabled = ret == 0 ? false : true; | |
141 | ||
142 | cgs_notify_dpm_enabled(hwmgr->device, enabled); | |
143 | ||
4cd05a74 | 144 | return ret; |
3bace359 | 145 | } |
28a18bab RZ |
146 | |
147 | int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level) | |
148 | { | |
88b8dcbe RZ |
149 | PHM_FUNC_CHECK(hwmgr); |
150 | ||
28a18bab RZ |
151 | if (hwmgr->hwmgr_func->force_dpm_level != NULL) |
152 | return hwmgr->hwmgr_func->force_dpm_level(hwmgr, level); | |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
157 | int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, | |
158 | struct pp_power_state *adjusted_ps, | |
159 | const struct pp_power_state *current_ps) | |
160 | { | |
88b8dcbe RZ |
161 | PHM_FUNC_CHECK(hwmgr); |
162 | ||
28a18bab RZ |
163 | if (hwmgr->hwmgr_func->apply_state_adjust_rules != NULL) |
164 | return hwmgr->hwmgr_func->apply_state_adjust_rules( | |
165 | hwmgr, | |
166 | adjusted_ps, | |
167 | current_ps); | |
168 | return 0; | |
169 | } | |
170 | ||
171 | int phm_powerdown_uvd(struct pp_hwmgr *hwmgr) | |
172 | { | |
88b8dcbe RZ |
173 | PHM_FUNC_CHECK(hwmgr); |
174 | ||
28a18bab RZ |
175 | if (hwmgr->hwmgr_func->powerdown_uvd != NULL) |
176 | return hwmgr->hwmgr_func->powerdown_uvd(hwmgr); | |
177 | return 0; | |
178 | } | |
179 | ||
180 | int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate) | |
181 | { | |
88b8dcbe RZ |
182 | PHM_FUNC_CHECK(hwmgr); |
183 | ||
28a18bab RZ |
184 | if (hwmgr->hwmgr_func->powergate_uvd != NULL) |
185 | return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate); | |
186 | return 0; | |
187 | } | |
188 | ||
189 | int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate) | |
190 | { | |
88b8dcbe RZ |
191 | PHM_FUNC_CHECK(hwmgr); |
192 | ||
28a18bab RZ |
193 | if (hwmgr->hwmgr_func->powergate_vce != NULL) |
194 | return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate); | |
195 | return 0; | |
196 | } | |
197 | ||
198 | int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr) | |
199 | { | |
88b8dcbe RZ |
200 | PHM_FUNC_CHECK(hwmgr); |
201 | ||
28a18bab RZ |
202 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, |
203 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
204 | if (NULL != hwmgr->hwmgr_func->enable_clock_power_gating) | |
205 | return hwmgr->hwmgr_func->enable_clock_power_gating(hwmgr); | |
206 | } else { | |
207 | return phm_dispatch_table(hwmgr, &(hwmgr->enable_clock_power_gatings), NULL, NULL); | |
208 | } | |
209 | return 0; | |
210 | } | |
6f3bf747 RZ |
211 | |
212 | int phm_display_configuration_changed(struct pp_hwmgr *hwmgr) | |
213 | { | |
88b8dcbe | 214 | PHM_FUNC_CHECK(hwmgr); |
6f3bf747 RZ |
215 | |
216 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, | |
217 | PHM_PlatformCaps_TablelessHardwareInterface)) { | |
218 | if (NULL != hwmgr->hwmgr_func->display_config_changed) | |
219 | hwmgr->hwmgr_func->display_config_changed(hwmgr); | |
220 | } else | |
221 | return phm_dispatch_table(hwmgr, &hwmgr->display_configuration_changed, NULL, NULL); | |
73afe621 | 222 | return 0; |
6f3bf747 RZ |
223 | } |
224 | ||
225 | int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr) | |
226 | { | |
88b8dcbe | 227 | PHM_FUNC_CHECK(hwmgr); |
6f3bf747 RZ |
228 | |
229 | if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, | |
230 | PHM_PlatformCaps_TablelessHardwareInterface)) | |
eafbbd98 | 231 | if (NULL != hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment) |
6f3bf747 RZ |
232 | hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment(hwmgr); |
233 | ||
73afe621 | 234 | return 0; |
6f3bf747 | 235 | } |
fba4eef5 RZ |
236 | |
237 | int phm_stop_thermal_controller(struct pp_hwmgr *hwmgr) | |
238 | { | |
88b8dcbe RZ |
239 | PHM_FUNC_CHECK(hwmgr); |
240 | ||
241 | if (hwmgr->hwmgr_func->stop_thermal_controller == NULL) | |
fba4eef5 RZ |
242 | return -EINVAL; |
243 | ||
244 | return hwmgr->hwmgr_func->stop_thermal_controller(hwmgr); | |
245 | } | |
246 | ||
247 | int phm_register_thermal_interrupt(struct pp_hwmgr *hwmgr, const void *info) | |
248 | { | |
88b8dcbe RZ |
249 | PHM_FUNC_CHECK(hwmgr); |
250 | ||
251 | if (hwmgr->hwmgr_func->register_internal_thermal_interrupt == NULL) | |
fba4eef5 RZ |
252 | return -EINVAL; |
253 | ||
254 | return hwmgr->hwmgr_func->register_internal_thermal_interrupt(hwmgr, info); | |
255 | } | |
256 | ||
257 | /** | |
258 | * Initializes the thermal controller subsystem. | |
259 | * | |
260 | * @param pHwMgr the address of the powerplay hardware manager. | |
261 | * @param pTemperatureRange the address of the structure holding the temperature range. | |
262 | * @exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the dispatcher. | |
263 | */ | |
264 | int phm_start_thermal_controller(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *temperature_range) | |
265 | { | |
fba4eef5 RZ |
266 | return phm_dispatch_table(hwmgr, &(hwmgr->start_thermal_controller), temperature_range, NULL); |
267 | } | |
09b4c872 RZ |
268 | |
269 | ||
270 | bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr) | |
271 | { | |
88b8dcbe RZ |
272 | PHM_FUNC_CHECK(hwmgr); |
273 | ||
274 | if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL) | |
f20024d8 | 275 | return false; |
09b4c872 RZ |
276 | |
277 | return hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration(hwmgr); | |
278 | } | |
279 | ||
280 | ||
281 | int phm_check_states_equal(struct pp_hwmgr *hwmgr, | |
282 | const struct pp_hw_power_state *pstate1, | |
283 | const struct pp_hw_power_state *pstate2, | |
284 | bool *equal) | |
285 | { | |
88b8dcbe RZ |
286 | PHM_FUNC_CHECK(hwmgr); |
287 | ||
288 | if (hwmgr->hwmgr_func->check_states_equal == NULL) | |
09b4c872 RZ |
289 | return -EINVAL; |
290 | ||
291 | return hwmgr->hwmgr_func->check_states_equal(hwmgr, pstate1, pstate2, equal); | |
292 | } | |
7fb72a1f RZ |
293 | |
294 | int phm_store_dal_configuration_data(struct pp_hwmgr *hwmgr, | |
295 | const struct amd_pp_display_configuration *display_config) | |
296 | { | |
88b8dcbe | 297 | PHM_FUNC_CHECK(hwmgr); |
14f63411 | 298 | |
1d7b84d1 | 299 | if (display_config == NULL) |
7fb72a1f RZ |
300 | return -EINVAL; |
301 | ||
14f63411 | 302 | hwmgr->display_config = *display_config; |
1d7b84d1 RZ |
303 | |
304 | if (hwmgr->hwmgr_func->store_cc6_data == NULL) | |
305 | return -EINVAL; | |
306 | ||
023efca2 | 307 | /* TODO: pass other display configuration in the future */ |
7fb72a1f | 308 | |
14f63411 EY |
309 | if (hwmgr->hwmgr_func->store_cc6_data) |
310 | hwmgr->hwmgr_func->store_cc6_data(hwmgr, | |
311 | display_config->cpu_pstate_separation_time, | |
312 | display_config->cpu_cc6_disable, | |
313 | display_config->cpu_pstate_disable, | |
314 | display_config->nb_pstate_switch_disable); | |
315 | ||
316 | return 0; | |
7fb72a1f | 317 | } |
73afe621 | 318 | |
c4dd206b | 319 | int phm_get_dal_power_level(struct pp_hwmgr *hwmgr, |
47329134 | 320 | struct amd_pp_simple_clock_info *info) |
c4dd206b | 321 | { |
88b8dcbe RZ |
322 | PHM_FUNC_CHECK(hwmgr); |
323 | ||
324 | if (info == NULL || hwmgr->hwmgr_func->get_dal_power_level == NULL) | |
c4dd206b | 325 | return -EINVAL; |
1c9a9082 | 326 | return hwmgr->hwmgr_func->get_dal_power_level(hwmgr, info); |
c4dd206b VP |
327 | } |
328 | ||
73afe621 RZ |
329 | int phm_set_cpu_power_state(struct pp_hwmgr *hwmgr) |
330 | { | |
88b8dcbe RZ |
331 | PHM_FUNC_CHECK(hwmgr); |
332 | ||
333 | if (hwmgr->hwmgr_func->set_cpu_power_state != NULL) | |
73afe621 RZ |
334 | return hwmgr->hwmgr_func->set_cpu_power_state(hwmgr); |
335 | ||
336 | return 0; | |
337 | } | |
e273b041 RZ |
338 | |
339 | ||
340 | int phm_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, | |
341 | PHM_PerformanceLevelDesignation designation, uint32_t index, | |
342 | PHM_PerformanceLevel *level) | |
343 | { | |
344 | PHM_FUNC_CHECK(hwmgr); | |
345 | if (hwmgr->hwmgr_func->get_performance_level == NULL) | |
346 | return -EINVAL; | |
347 | ||
348 | return hwmgr->hwmgr_func->get_performance_level(hwmgr, state, designation, index, level); | |
349 | ||
350 | ||
351 | } | |
352 | ||
353 | ||
354 | /** | |
355 | * Gets Clock Info. | |
356 | * | |
357 | * @param pHwMgr the address of the powerplay hardware manager. | |
358 | * @param pPowerState the address of the Power State structure. | |
359 | * @param pClockInfo the address of PP_ClockInfo structure where the result will be returned. | |
360 | * @exception PP_Result_Failed if any of the paramters is NULL, otherwise the return value from the back-end. | |
361 | */ | |
362 | int phm_get_clock_info(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *pclock_info, | |
363 | PHM_PerformanceLevelDesignation designation) | |
364 | { | |
365 | int result; | |
366 | PHM_PerformanceLevel performance_level; | |
367 | ||
368 | PHM_FUNC_CHECK(hwmgr); | |
369 | ||
370 | PP_ASSERT_WITH_CODE((NULL != state), "Invalid Input!", return -EINVAL); | |
371 | PP_ASSERT_WITH_CODE((NULL != pclock_info), "Invalid Input!", return -EINVAL); | |
372 | ||
373 | result = phm_get_performance_level(hwmgr, state, PHM_PerformanceLevelDesignation_Activity, 0, &performance_level); | |
374 | ||
375 | PP_ASSERT_WITH_CODE((0 == result), "Failed to retrieve minimum clocks.", return result); | |
376 | ||
377 | ||
378 | pclock_info->min_mem_clk = performance_level.memory_clock; | |
379 | pclock_info->min_eng_clk = performance_level.coreClock; | |
380 | pclock_info->min_bus_bandwidth = performance_level.nonLocalMemoryFreq * performance_level.nonLocalMemoryWidth; | |
381 | ||
382 | ||
383 | result = phm_get_performance_level(hwmgr, state, designation, | |
384 | (hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1), &performance_level); | |
385 | ||
386 | PP_ASSERT_WITH_CODE((0 == result), "Failed to retrieve maximum clocks.", return result); | |
387 | ||
388 | pclock_info->max_mem_clk = performance_level.memory_clock; | |
389 | pclock_info->max_eng_clk = performance_level.coreClock; | |
390 | pclock_info->max_bus_bandwidth = performance_level.nonLocalMemoryFreq * performance_level.nonLocalMemoryWidth; | |
391 | ||
392 | return 0; | |
393 | } | |
394 | ||
395 | int phm_get_current_shallow_sleep_clocks(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, struct pp_clock_info *clock_info) | |
396 | { | |
397 | PHM_FUNC_CHECK(hwmgr); | |
398 | ||
399 | if (hwmgr->hwmgr_func->get_current_shallow_sleep_clocks == NULL) | |
400 | return -EINVAL; | |
401 | ||
402 | return hwmgr->hwmgr_func->get_current_shallow_sleep_clocks(hwmgr, state, clock_info); | |
403 | ||
404 | } | |
405 | ||
406 | int phm_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type type, struct amd_pp_clocks *clocks) | |
407 | { | |
408 | PHM_FUNC_CHECK(hwmgr); | |
409 | ||
410 | if (hwmgr->hwmgr_func->get_clock_by_type == NULL) | |
411 | return -EINVAL; | |
412 | ||
413 | return hwmgr->hwmgr_func->get_clock_by_type(hwmgr, type, clocks); | |
414 | ||
415 | } | |
416 | ||
417 | int phm_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct amd_pp_simple_clock_info *clocks) | |
418 | { | |
419 | PHM_FUNC_CHECK(hwmgr); | |
420 | ||
421 | if (hwmgr->hwmgr_func->get_max_high_clocks == NULL) | |
422 | return -EINVAL; | |
423 | ||
424 | return hwmgr->hwmgr_func->get_max_high_clocks(hwmgr, clocks); | |
425 | } |