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 "pp_debug.h"
24 #include <linux/module.h>
25 #include <linux/slab.h>
26
27 #include "process_pptables_v1_0.h"
28 #include "ppatomctrl.h"
29 #include "atombios.h"
30 #include "hwmgr.h"
31 #include "cgs_common.h"
32 #include "pptable_v1_0.h"
33
34 /**
35 * set_hw_cap - Private Function used during initialization.
36 * @hwmgr: Pointer to the hardware manager.
37 * @setIt: A flag indication if the capability should be set (TRUE) or reset (FALSE).
38 * @cap: Which capability to set/reset.
39 */
set_hw_cap(struct pp_hwmgr * hwmgr,bool setIt,enum phm_platform_caps cap)40 static void set_hw_cap(struct pp_hwmgr *hwmgr, bool setIt, enum phm_platform_caps cap)
41 {
42 if (setIt)
43 phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap);
44 else
45 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap);
46 }
47
48
49 /**
50 * set_platform_caps - Private Function used during initialization.
51 * @hwmgr: Pointer to the hardware manager.
52 * @powerplay_caps: the bit array (from BIOS) of capability bits.
53 * Exception: the current implementation always returns 1.
54 */
set_platform_caps(struct pp_hwmgr * hwmgr,uint32_t powerplay_caps)55 static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps)
56 {
57 PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE16____),
58 "ATOM_PP_PLATFORM_CAP_ASPM_L1 is not supported!", continue);
59 PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE64____),
60 "ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY is not supported!", continue);
61 PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE512____),
62 "ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL is not supported!", continue);
63 PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE1024____),
64 "ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1 is not supported!", continue);
65 PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE2048____),
66 "ATOM_PP_PLATFORM_CAP_HTLINKCONTROL is not supported!", continue);
67
68 set_hw_cap(
69 hwmgr,
70 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_POWERPLAY),
71 PHM_PlatformCaps_PowerPlaySupport
72 );
73
74 set_hw_cap(
75 hwmgr,
76 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_SBIOSPOWERSOURCE),
77 PHM_PlatformCaps_BiosPowerSourceControl
78 );
79
80 set_hw_cap(
81 hwmgr,
82 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_HARDWAREDC),
83 PHM_PlatformCaps_AutomaticDCTransition
84 );
85
86 set_hw_cap(
87 hwmgr,
88 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_MVDD_CONTROL),
89 PHM_PlatformCaps_EnableMVDDControl
90 );
91
92 set_hw_cap(
93 hwmgr,
94 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDCI_CONTROL),
95 PHM_PlatformCaps_ControlVDDCI
96 );
97
98 set_hw_cap(
99 hwmgr,
100 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDGFX_CONTROL),
101 PHM_PlatformCaps_ControlVDDGFX
102 );
103
104 set_hw_cap(
105 hwmgr,
106 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_BACO),
107 PHM_PlatformCaps_BACO
108 );
109
110 set_hw_cap(
111 hwmgr,
112 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_DISABLE_VOLTAGE_ISLAND),
113 PHM_PlatformCaps_DisableVoltageIsland
114 );
115
116 set_hw_cap(
117 hwmgr,
118 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL),
119 PHM_PlatformCaps_CombinePCCWithThermalSignal
120 );
121
122 set_hw_cap(
123 hwmgr,
124 0 != (powerplay_caps & ATOM_TONGA_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE),
125 PHM_PlatformCaps_LoadPostProductionFirmware
126 );
127
128 return 0;
129 }
130
131 /*
132 * Private Function to get the PowerPlay Table Address.
133 */
get_powerplay_table(struct pp_hwmgr * hwmgr)134 static const void *get_powerplay_table(struct pp_hwmgr *hwmgr)
135 {
136 int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
137
138 u16 size;
139 u8 frev, crev;
140 void *table_address = (void *)hwmgr->soft_pp_table;
141
142 if (!table_address) {
143 table_address = (ATOM_Tonga_POWERPLAYTABLE *)
144 smu_atom_get_data_table(hwmgr->adev,
145 index, &size, &frev, &crev);
146 hwmgr->soft_pp_table = table_address; /*Cache the result in RAM.*/
147 hwmgr->soft_pp_table_size = size;
148 }
149
150 return table_address;
151 }
152
get_vddc_lookup_table(struct pp_hwmgr * hwmgr,phm_ppt_v1_voltage_lookup_table ** lookup_table,const ATOM_Tonga_Voltage_Lookup_Table * vddc_lookup_pp_tables,uint32_t max_levels)153 static int get_vddc_lookup_table(
154 struct pp_hwmgr *hwmgr,
155 phm_ppt_v1_voltage_lookup_table **lookup_table,
156 const ATOM_Tonga_Voltage_Lookup_Table *vddc_lookup_pp_tables,
157 uint32_t max_levels
158 )
159 {
160 uint32_t i;
161 phm_ppt_v1_voltage_lookup_table *table;
162 phm_ppt_v1_voltage_lookup_record *record;
163 ATOM_Tonga_Voltage_Lookup_Record *atom_record;
164
165 PP_ASSERT_WITH_CODE((0 != vddc_lookup_pp_tables->ucNumEntries),
166 "Invalid CAC Leakage PowerPlay Table!", return 1);
167
168 table = kzalloc(struct_size(table, entries, max_levels), GFP_KERNEL);
169 if (!table)
170 return -ENOMEM;
171
172 table->count = vddc_lookup_pp_tables->ucNumEntries;
173
174 for (i = 0; i < vddc_lookup_pp_tables->ucNumEntries; i++) {
175 record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
176 phm_ppt_v1_voltage_lookup_record,
177 entries, table, i);
178 atom_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
179 ATOM_Tonga_Voltage_Lookup_Record,
180 entries, vddc_lookup_pp_tables, i);
181 record->us_calculated = 0;
182 record->us_vdd = le16_to_cpu(atom_record->usVdd);
183 record->us_cac_low = le16_to_cpu(atom_record->usCACLow);
184 record->us_cac_mid = le16_to_cpu(atom_record->usCACMid);
185 record->us_cac_high = le16_to_cpu(atom_record->usCACHigh);
186 }
187
188 *lookup_table = table;
189
190 return 0;
191 }
192
193 /**
194 * get_platform_power_management_table - Private Function used during initialization.
195 * Initialize Platform Power Management Parameter table
196 * @hwmgr: Pointer to the hardware manager.
197 * @atom_ppm_table: Pointer to PPM table in VBIOS
198 */
get_platform_power_management_table(struct pp_hwmgr * hwmgr,ATOM_Tonga_PPM_Table * atom_ppm_table)199 static int get_platform_power_management_table(
200 struct pp_hwmgr *hwmgr,
201 ATOM_Tonga_PPM_Table *atom_ppm_table)
202 {
203 struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
204 struct phm_ppt_v1_information *pp_table_information =
205 (struct phm_ppt_v1_information *)(hwmgr->pptable);
206
207 if (NULL == ptr)
208 return -ENOMEM;
209
210 ptr->ppm_design
211 = atom_ppm_table->ucPpmDesign;
212 ptr->cpu_core_number
213 = le16_to_cpu(atom_ppm_table->usCpuCoreNumber);
214 ptr->platform_tdp
215 = le32_to_cpu(atom_ppm_table->ulPlatformTDP);
216 ptr->small_ac_platform_tdp
217 = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDP);
218 ptr->platform_tdc
219 = le32_to_cpu(atom_ppm_table->ulPlatformTDC);
220 ptr->small_ac_platform_tdc
221 = le32_to_cpu(atom_ppm_table->ulSmallACPlatformTDC);
222 ptr->apu_tdp
223 = le32_to_cpu(atom_ppm_table->ulApuTDP);
224 ptr->dgpu_tdp
225 = le32_to_cpu(atom_ppm_table->ulDGpuTDP);
226 ptr->dgpu_ulv_power
227 = le32_to_cpu(atom_ppm_table->ulDGpuUlvPower);
228 ptr->tj_max
229 = le32_to_cpu(atom_ppm_table->ulTjmax);
230
231 pp_table_information->ppm_parameter_table = ptr;
232
233 return 0;
234 }
235
236 /**
237 * init_dpm_2_parameters - Private Function used during initialization.
238 * Initialize TDP limits for DPM2
239 * @hwmgr: Pointer to the hardware manager.
240 * @powerplay_table: Pointer to the PowerPlay Table.
241 */
init_dpm_2_parameters(struct pp_hwmgr * hwmgr,const ATOM_Tonga_POWERPLAYTABLE * powerplay_table)242 static int init_dpm_2_parameters(
243 struct pp_hwmgr *hwmgr,
244 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
245 )
246 {
247 int result = 0;
248 struct phm_ppt_v1_information *pp_table_information = (struct phm_ppt_v1_information *)(hwmgr->pptable);
249 ATOM_Tonga_PPM_Table *atom_ppm_table;
250 uint32_t disable_ppm = 0;
251 uint32_t disable_power_control = 0;
252
253 pp_table_information->us_ulv_voltage_offset =
254 le16_to_cpu(powerplay_table->usUlvVoltageOffset);
255
256 pp_table_information->ppm_parameter_table = NULL;
257 pp_table_information->vddc_lookup_table = NULL;
258 pp_table_information->vddgfx_lookup_table = NULL;
259 /* TDP limits */
260 hwmgr->platform_descriptor.TDPODLimit =
261 le16_to_cpu(powerplay_table->usPowerControlLimit);
262 hwmgr->platform_descriptor.TDPAdjustment = 0;
263 hwmgr->platform_descriptor.VidAdjustment = 0;
264 hwmgr->platform_descriptor.VidAdjustmentPolarity = 0;
265 hwmgr->platform_descriptor.VidMinLimit = 0;
266 hwmgr->platform_descriptor.VidMaxLimit = 1500000;
267 hwmgr->platform_descriptor.VidStep = 6250;
268
269 disable_power_control = 0;
270 if (0 == disable_power_control) {
271 /* enable TDP overdrive (PowerControl) feature as well if supported */
272 if (hwmgr->platform_descriptor.TDPODLimit != 0)
273 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
274 PHM_PlatformCaps_PowerControl);
275 }
276
277 if (0 != powerplay_table->usVddcLookupTableOffset) {
278 const ATOM_Tonga_Voltage_Lookup_Table *pVddcCACTable =
279 (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
280 le16_to_cpu(powerplay_table->usVddcLookupTableOffset));
281
282 result = get_vddc_lookup_table(hwmgr,
283 &pp_table_information->vddc_lookup_table, pVddcCACTable, 16);
284 }
285
286 if (0 != powerplay_table->usVddgfxLookupTableOffset) {
287 const ATOM_Tonga_Voltage_Lookup_Table *pVddgfxCACTable =
288 (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
289 le16_to_cpu(powerplay_table->usVddgfxLookupTableOffset));
290
291 result = get_vddc_lookup_table(hwmgr,
292 &pp_table_information->vddgfx_lookup_table, pVddgfxCACTable, 16);
293 }
294
295 disable_ppm = 0;
296 if (0 == disable_ppm) {
297 atom_ppm_table = (ATOM_Tonga_PPM_Table *)
298 (((unsigned long)powerplay_table) + le16_to_cpu(powerplay_table->usPPMTableOffset));
299
300 if (0 != powerplay_table->usPPMTableOffset) {
301 if (get_platform_power_management_table(hwmgr, atom_ppm_table) == 0) {
302 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
303 PHM_PlatformCaps_EnablePlatformPowerManagement);
304 }
305 }
306 }
307
308 return result;
309 }
310
get_valid_clk(struct pp_hwmgr * hwmgr,struct phm_clock_array ** clk_table,phm_ppt_v1_clock_voltage_dependency_table const * clk_volt_pp_table)311 static int get_valid_clk(
312 struct pp_hwmgr *hwmgr,
313 struct phm_clock_array **clk_table,
314 phm_ppt_v1_clock_voltage_dependency_table const *clk_volt_pp_table
315 )
316 {
317 uint32_t i;
318 struct phm_clock_array *table;
319 phm_ppt_v1_clock_voltage_dependency_record *dep_record;
320
321 PP_ASSERT_WITH_CODE((0 != clk_volt_pp_table->count),
322 "Invalid PowerPlay Table!", return -1);
323
324 table = kzalloc(struct_size(table, values, clk_volt_pp_table->count),
325 GFP_KERNEL);
326 if (!table)
327 return -ENOMEM;
328
329 table->count = (uint32_t)clk_volt_pp_table->count;
330
331 for (i = 0; i < table->count; i++) {
332 dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
333 phm_ppt_v1_clock_voltage_dependency_record,
334 entries, clk_volt_pp_table, i);
335 table->values[i] = (uint32_t)dep_record->clk;
336 }
337 *clk_table = table;
338
339 return 0;
340 }
341
get_hard_limits(struct pp_hwmgr * hwmgr,struct phm_clock_and_voltage_limits * limits,ATOM_Tonga_Hard_Limit_Table const * limitable)342 static int get_hard_limits(
343 struct pp_hwmgr *hwmgr,
344 struct phm_clock_and_voltage_limits *limits,
345 ATOM_Tonga_Hard_Limit_Table const *limitable
346 )
347 {
348 PP_ASSERT_WITH_CODE((0 != limitable->ucNumEntries), "Invalid PowerPlay Table!", return -1);
349
350 /* currently we always take entries[0] parameters */
351 limits->sclk = le32_to_cpu(limitable->entries[0].ulSCLKLimit);
352 limits->mclk = le32_to_cpu(limitable->entries[0].ulMCLKLimit);
353 limits->vddc = le16_to_cpu(limitable->entries[0].usVddcLimit);
354 limits->vddci = le16_to_cpu(limitable->entries[0].usVddciLimit);
355 limits->vddgfx = le16_to_cpu(limitable->entries[0].usVddgfxLimit);
356
357 return 0;
358 }
359
get_mclk_voltage_dependency_table(struct pp_hwmgr * hwmgr,phm_ppt_v1_clock_voltage_dependency_table ** pp_tonga_mclk_dep_table,ATOM_Tonga_MCLK_Dependency_Table const * mclk_dep_table)360 static int get_mclk_voltage_dependency_table(
361 struct pp_hwmgr *hwmgr,
362 phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_mclk_dep_table,
363 ATOM_Tonga_MCLK_Dependency_Table const *mclk_dep_table
364 )
365 {
366 uint32_t i;
367 phm_ppt_v1_clock_voltage_dependency_table *mclk_table;
368 phm_ppt_v1_clock_voltage_dependency_record *mclk_table_record;
369 ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
370
371 PP_ASSERT_WITH_CODE((0 != mclk_dep_table->ucNumEntries),
372 "Invalid PowerPlay Table!", return -1);
373
374 mclk_table = kzalloc(struct_size(mclk_table, entries, mclk_dep_table->ucNumEntries),
375 GFP_KERNEL);
376 if (!mclk_table)
377 return -ENOMEM;
378
379 mclk_table->count = (uint32_t)mclk_dep_table->ucNumEntries;
380
381 for (i = 0; i < mclk_dep_table->ucNumEntries; i++) {
382 mclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
383 phm_ppt_v1_clock_voltage_dependency_record,
384 entries, mclk_table, i);
385 mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
386 ATOM_Tonga_MCLK_Dependency_Record,
387 entries, mclk_dep_table, i);
388 mclk_table_record->vddInd = mclk_dep_record->ucVddcInd;
389 mclk_table_record->vdd_offset = le16_to_cpu(mclk_dep_record->usVddgfxOffset);
390 mclk_table_record->vddci = le16_to_cpu(mclk_dep_record->usVddci);
391 mclk_table_record->mvdd = le16_to_cpu(mclk_dep_record->usMvdd);
392 mclk_table_record->clk = le32_to_cpu(mclk_dep_record->ulMclk);
393 }
394
395 *pp_tonga_mclk_dep_table = mclk_table;
396
397 return 0;
398 }
399
get_sclk_voltage_dependency_table(struct pp_hwmgr * hwmgr,phm_ppt_v1_clock_voltage_dependency_table ** pp_tonga_sclk_dep_table,PPTable_Generic_SubTable_Header const * sclk_dep_table)400 static int get_sclk_voltage_dependency_table(
401 struct pp_hwmgr *hwmgr,
402 phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_sclk_dep_table,
403 PPTable_Generic_SubTable_Header const *sclk_dep_table
404 )
405 {
406 uint32_t i;
407 phm_ppt_v1_clock_voltage_dependency_table *sclk_table;
408 phm_ppt_v1_clock_voltage_dependency_record *sclk_table_record;
409
410 if (sclk_dep_table->ucRevId < 1) {
411 const ATOM_Tonga_SCLK_Dependency_Table *tonga_table =
412 (ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table;
413 ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
414
415 PP_ASSERT_WITH_CODE((0 != tonga_table->ucNumEntries),
416 "Invalid PowerPlay Table!", return -1);
417
418 sclk_table = kzalloc(struct_size(sclk_table, entries, tonga_table->ucNumEntries),
419 GFP_KERNEL);
420 if (!sclk_table)
421 return -ENOMEM;
422
423 sclk_table->count = (uint32_t)tonga_table->ucNumEntries;
424
425 for (i = 0; i < tonga_table->ucNumEntries; i++) {
426 sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
427 ATOM_Tonga_SCLK_Dependency_Record,
428 entries, tonga_table, i);
429 sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
430 phm_ppt_v1_clock_voltage_dependency_record,
431 entries, sclk_table, i);
432 sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
433 sclk_table_record->vdd_offset = le16_to_cpu(sclk_dep_record->usVddcOffset);
434 sclk_table_record->clk = le32_to_cpu(sclk_dep_record->ulSclk);
435 sclk_table_record->cks_enable =
436 (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
437 sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
438 }
439 } else {
440 const ATOM_Polaris_SCLK_Dependency_Table *polaris_table =
441 (ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table;
442 ATOM_Polaris_SCLK_Dependency_Record *sclk_dep_record;
443
444 PP_ASSERT_WITH_CODE((0 != polaris_table->ucNumEntries),
445 "Invalid PowerPlay Table!", return -1);
446
447 sclk_table = kzalloc(struct_size(sclk_table, entries, polaris_table->ucNumEntries),
448 GFP_KERNEL);
449 if (!sclk_table)
450 return -ENOMEM;
451
452 sclk_table->count = (uint32_t)polaris_table->ucNumEntries;
453
454 for (i = 0; i < polaris_table->ucNumEntries; i++) {
455 sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
456 ATOM_Polaris_SCLK_Dependency_Record,
457 entries, polaris_table, i);
458 sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
459 phm_ppt_v1_clock_voltage_dependency_record,
460 entries, sclk_table, i);
461 sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
462 sclk_table_record->vdd_offset = le16_to_cpu(sclk_dep_record->usVddcOffset);
463 sclk_table_record->clk = le32_to_cpu(sclk_dep_record->ulSclk);
464 sclk_table_record->cks_enable =
465 (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
466 sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
467 sclk_table_record->sclk_offset = le32_to_cpu(sclk_dep_record->ulSclkOffset);
468 }
469 }
470 *pp_tonga_sclk_dep_table = sclk_table;
471
472 return 0;
473 }
474
get_pcie_table(struct pp_hwmgr * hwmgr,phm_ppt_v1_pcie_table ** pp_tonga_pcie_table,PPTable_Generic_SubTable_Header const * ptable)475 static int get_pcie_table(
476 struct pp_hwmgr *hwmgr,
477 phm_ppt_v1_pcie_table **pp_tonga_pcie_table,
478 PPTable_Generic_SubTable_Header const *ptable
479 )
480 {
481 uint32_t i, pcie_count;
482 phm_ppt_v1_pcie_table *pcie_table;
483 struct phm_ppt_v1_information *pp_table_information =
484 (struct phm_ppt_v1_information *)(hwmgr->pptable);
485 phm_ppt_v1_pcie_record *pcie_record;
486
487 if (ptable->ucRevId < 1) {
488 const ATOM_Tonga_PCIE_Table *atom_pcie_table = (ATOM_Tonga_PCIE_Table *)ptable;
489 ATOM_Tonga_PCIE_Record *atom_pcie_record;
490
491 PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
492 "Invalid PowerPlay Table!", return -1);
493
494 pcie_table = kzalloc(struct_size(pcie_table, entries,
495 atom_pcie_table->ucNumEntries),
496 GFP_KERNEL);
497 if (!pcie_table)
498 return -ENOMEM;
499
500 /*
501 * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
502 * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
503 */
504 pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
505 if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
506 pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
507 else
508 pr_err("Number of Pcie Entries exceed the number of SCLK Dpm Levels! Disregarding the excess entries...\n");
509
510 pcie_table->count = pcie_count;
511 for (i = 0; i < pcie_count; i++) {
512 pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
513 phm_ppt_v1_pcie_record,
514 entries, pcie_table, i);
515 atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
516 ATOM_Tonga_PCIE_Record,
517 entries, atom_pcie_table, i);
518 pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
519 pcie_record->lane_width = le16_to_cpu(atom_pcie_record->usPCIELaneWidth);
520 }
521
522 *pp_tonga_pcie_table = pcie_table;
523 } else {
524 /* Polaris10/Polaris11 and newer. */
525 const ATOM_Polaris10_PCIE_Table *atom_pcie_table = (ATOM_Polaris10_PCIE_Table *)ptable;
526 ATOM_Polaris10_PCIE_Record *atom_pcie_record;
527
528 PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
529 "Invalid PowerPlay Table!", return -1);
530
531 pcie_table = kzalloc(struct_size(pcie_table, entries,
532 atom_pcie_table->ucNumEntries),
533 GFP_KERNEL);
534 if (!pcie_table)
535 return -ENOMEM;
536
537 /*
538 * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
539 * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
540 */
541 pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
542 if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
543 pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
544 else
545 pr_err("Number of Pcie Entries exceed the number of SCLK Dpm Levels! Disregarding the excess entries...\n");
546
547 pcie_table->count = pcie_count;
548
549 for (i = 0; i < pcie_count; i++) {
550 pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
551 phm_ppt_v1_pcie_record,
552 entries, pcie_table, i);
553 atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
554 ATOM_Polaris10_PCIE_Record,
555 entries, atom_pcie_table, i);
556 pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
557 pcie_record->lane_width = le16_to_cpu(atom_pcie_record->usPCIELaneWidth);
558 pcie_record->pcie_sclk = le32_to_cpu(atom_pcie_record->ulPCIE_Sclk);
559 }
560
561 *pp_tonga_pcie_table = pcie_table;
562 }
563
564 return 0;
565 }
566
get_cac_tdp_table(struct pp_hwmgr * hwmgr,struct phm_cac_tdp_table ** cac_tdp_table,const PPTable_Generic_SubTable_Header * table)567 static int get_cac_tdp_table(
568 struct pp_hwmgr *hwmgr,
569 struct phm_cac_tdp_table **cac_tdp_table,
570 const PPTable_Generic_SubTable_Header * table
571 )
572 {
573 uint32_t table_size;
574 struct phm_cac_tdp_table *tdp_table;
575
576 table_size = sizeof(uint32_t) + sizeof(struct phm_cac_tdp_table);
577 tdp_table = kzalloc(table_size, GFP_KERNEL);
578
579 if (NULL == tdp_table)
580 return -ENOMEM;
581
582 hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
583
584 if (NULL == hwmgr->dyn_state.cac_dtp_table) {
585 kfree(tdp_table);
586 return -ENOMEM;
587 }
588
589 if (table->ucRevId < 3) {
590 const ATOM_Tonga_PowerTune_Table *tonga_table =
591 (ATOM_Tonga_PowerTune_Table *)table;
592 tdp_table->usTDP = le16_to_cpu(tonga_table->usTDP);
593 tdp_table->usConfigurableTDP =
594 le16_to_cpu(tonga_table->usConfigurableTDP);
595 tdp_table->usTDC = le16_to_cpu(tonga_table->usTDC);
596 tdp_table->usBatteryPowerLimit =
597 le16_to_cpu(tonga_table->usBatteryPowerLimit);
598 tdp_table->usSmallPowerLimit =
599 le16_to_cpu(tonga_table->usSmallPowerLimit);
600 tdp_table->usLowCACLeakage =
601 le16_to_cpu(tonga_table->usLowCACLeakage);
602 tdp_table->usHighCACLeakage =
603 le16_to_cpu(tonga_table->usHighCACLeakage);
604 tdp_table->usMaximumPowerDeliveryLimit =
605 le16_to_cpu(tonga_table->usMaximumPowerDeliveryLimit);
606 tdp_table->usDefaultTargetOperatingTemp =
607 le16_to_cpu(tonga_table->usTjMax);
608 tdp_table->usTargetOperatingTemp =
609 le16_to_cpu(tonga_table->usTjMax); /*Set the initial temp to the same as default */
610 tdp_table->usPowerTuneDataSetID =
611 le16_to_cpu(tonga_table->usPowerTuneDataSetID);
612 tdp_table->usSoftwareShutdownTemp =
613 le16_to_cpu(tonga_table->usSoftwareShutdownTemp);
614 tdp_table->usClockStretchAmount =
615 le16_to_cpu(tonga_table->usClockStretchAmount);
616 } else if (table->ucRevId < 4) { /* Fiji and newer */
617 const ATOM_Fiji_PowerTune_Table *fijitable =
618 (ATOM_Fiji_PowerTune_Table *)table;
619 tdp_table->usTDP = le16_to_cpu(fijitable->usTDP);
620 tdp_table->usConfigurableTDP = le16_to_cpu(fijitable->usConfigurableTDP);
621 tdp_table->usTDC = le16_to_cpu(fijitable->usTDC);
622 tdp_table->usBatteryPowerLimit = le16_to_cpu(fijitable->usBatteryPowerLimit);
623 tdp_table->usSmallPowerLimit = le16_to_cpu(fijitable->usSmallPowerLimit);
624 tdp_table->usLowCACLeakage = le16_to_cpu(fijitable->usLowCACLeakage);
625 tdp_table->usHighCACLeakage = le16_to_cpu(fijitable->usHighCACLeakage);
626 tdp_table->usMaximumPowerDeliveryLimit =
627 le16_to_cpu(fijitable->usMaximumPowerDeliveryLimit);
628 tdp_table->usDefaultTargetOperatingTemp =
629 le16_to_cpu(fijitable->usTjMax);
630 tdp_table->usTargetOperatingTemp =
631 le16_to_cpu(fijitable->usTjMax); /*Set the initial temp to the same as default */
632 tdp_table->usPowerTuneDataSetID =
633 le16_to_cpu(fijitable->usPowerTuneDataSetID);
634 tdp_table->usSoftwareShutdownTemp =
635 le16_to_cpu(fijitable->usSoftwareShutdownTemp);
636 tdp_table->usClockStretchAmount =
637 le16_to_cpu(fijitable->usClockStretchAmount);
638 tdp_table->usTemperatureLimitHotspot =
639 le16_to_cpu(fijitable->usTemperatureLimitHotspot);
640 tdp_table->usTemperatureLimitLiquid1 =
641 le16_to_cpu(fijitable->usTemperatureLimitLiquid1);
642 tdp_table->usTemperatureLimitLiquid2 =
643 le16_to_cpu(fijitable->usTemperatureLimitLiquid2);
644 tdp_table->usTemperatureLimitVrVddc =
645 le16_to_cpu(fijitable->usTemperatureLimitVrVddc);
646 tdp_table->usTemperatureLimitVrMvdd =
647 le16_to_cpu(fijitable->usTemperatureLimitVrMvdd);
648 tdp_table->usTemperatureLimitPlx =
649 le16_to_cpu(fijitable->usTemperatureLimitPlx);
650 tdp_table->ucLiquid1_I2C_address =
651 fijitable->ucLiquid1_I2C_address;
652 tdp_table->ucLiquid2_I2C_address =
653 fijitable->ucLiquid2_I2C_address;
654 tdp_table->ucLiquid_I2C_Line =
655 fijitable->ucLiquid_I2C_Line;
656 tdp_table->ucVr_I2C_address = fijitable->ucVr_I2C_address;
657 tdp_table->ucVr_I2C_Line = fijitable->ucVr_I2C_Line;
658 tdp_table->ucPlx_I2C_address = fijitable->ucPlx_I2C_address;
659 tdp_table->ucPlx_I2C_Line = fijitable->ucPlx_I2C_Line;
660 } else {
661 const ATOM_Polaris_PowerTune_Table *polaristable =
662 (ATOM_Polaris_PowerTune_Table *)table;
663 tdp_table->usTDP = le16_to_cpu(polaristable->usTDP);
664 tdp_table->usConfigurableTDP = le16_to_cpu(polaristable->usConfigurableTDP);
665 tdp_table->usTDC = le16_to_cpu(polaristable->usTDC);
666 tdp_table->usBatteryPowerLimit = le16_to_cpu(polaristable->usBatteryPowerLimit);
667 tdp_table->usSmallPowerLimit = le16_to_cpu(polaristable->usSmallPowerLimit);
668 tdp_table->usLowCACLeakage = le16_to_cpu(polaristable->usLowCACLeakage);
669 tdp_table->usHighCACLeakage = le16_to_cpu(polaristable->usHighCACLeakage);
670 tdp_table->usMaximumPowerDeliveryLimit =
671 le16_to_cpu(polaristable->usMaximumPowerDeliveryLimit);
672 tdp_table->usDefaultTargetOperatingTemp =
673 le16_to_cpu(polaristable->usTjMax);
674 tdp_table->usTargetOperatingTemp =
675 le16_to_cpu(polaristable->usTjMax); /*Set the initial temp to the same as default */
676 tdp_table->usPowerTuneDataSetID =
677 le16_to_cpu(polaristable->usPowerTuneDataSetID);
678 tdp_table->usSoftwareShutdownTemp =
679 le16_to_cpu(polaristable->usSoftwareShutdownTemp);
680 tdp_table->usClockStretchAmount =
681 le16_to_cpu(polaristable->usClockStretchAmount);
682 tdp_table->usTemperatureLimitHotspot =
683 le16_to_cpu(polaristable->usTemperatureLimitHotspot);
684 tdp_table->usTemperatureLimitLiquid1 =
685 le16_to_cpu(polaristable->usTemperatureLimitLiquid1);
686 tdp_table->usTemperatureLimitLiquid2 =
687 le16_to_cpu(polaristable->usTemperatureLimitLiquid2);
688 tdp_table->usTemperatureLimitVrVddc =
689 le16_to_cpu(polaristable->usTemperatureLimitVrVddc);
690 tdp_table->usTemperatureLimitVrMvdd =
691 le16_to_cpu(polaristable->usTemperatureLimitVrMvdd);
692 tdp_table->usTemperatureLimitPlx =
693 le16_to_cpu(polaristable->usTemperatureLimitPlx);
694 tdp_table->ucLiquid1_I2C_address =
695 polaristable->ucLiquid1_I2C_address;
696 tdp_table->ucLiquid2_I2C_address =
697 polaristable->ucLiquid2_I2C_address;
698 tdp_table->ucLiquid_I2C_Line =
699 polaristable->ucLiquid_I2C_Line;
700 tdp_table->ucVr_I2C_address = polaristable->ucVr_I2C_address;
701 tdp_table->ucVr_I2C_Line = polaristable->ucVr_I2C_Line;
702 tdp_table->ucPlx_I2C_address = polaristable->ucPlx_I2C_address;
703 tdp_table->ucPlx_I2C_Line = polaristable->ucPlx_I2C_Line;
704 tdp_table->usBoostPowerLimit = polaristable->usBoostPowerLimit;
705 tdp_table->ucCKS_LDO_REFSEL = polaristable->ucCKS_LDO_REFSEL;
706 tdp_table->ucHotSpotOnly = polaristable->ucHotSpotOnly;
707 }
708
709 *cac_tdp_table = tdp_table;
710
711 return 0;
712 }
713
get_mm_clock_voltage_table(struct pp_hwmgr * hwmgr,phm_ppt_v1_mm_clock_voltage_dependency_table ** tonga_mm_table,const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table)714 static int get_mm_clock_voltage_table(
715 struct pp_hwmgr *hwmgr,
716 phm_ppt_v1_mm_clock_voltage_dependency_table **tonga_mm_table,
717 const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table
718 )
719 {
720 uint32_t i;
721 const ATOM_Tonga_MM_Dependency_Record *mm_dependency_record;
722 phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table;
723 phm_ppt_v1_mm_clock_voltage_dependency_record *mm_table_record;
724
725 PP_ASSERT_WITH_CODE((0 != mm_dependency_table->ucNumEntries),
726 "Invalid PowerPlay Table!", return -1);
727 mm_table = kzalloc(struct_size(mm_table, entries, mm_dependency_table->ucNumEntries),
728 GFP_KERNEL);
729 if (!mm_table)
730 return -ENOMEM;
731
732 mm_table->count = mm_dependency_table->ucNumEntries;
733
734 for (i = 0; i < mm_dependency_table->ucNumEntries; i++) {
735 mm_dependency_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
736 ATOM_Tonga_MM_Dependency_Record,
737 entries, mm_dependency_table, i);
738 mm_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
739 phm_ppt_v1_mm_clock_voltage_dependency_record,
740 entries, mm_table, i);
741 mm_table_record->vddcInd = mm_dependency_record->ucVddcInd;
742 mm_table_record->vddgfx_offset = le16_to_cpu(mm_dependency_record->usVddgfxOffset);
743 mm_table_record->aclk = le32_to_cpu(mm_dependency_record->ulAClk);
744 mm_table_record->samclock = le32_to_cpu(mm_dependency_record->ulSAMUClk);
745 mm_table_record->eclk = le32_to_cpu(mm_dependency_record->ulEClk);
746 mm_table_record->vclk = le32_to_cpu(mm_dependency_record->ulVClk);
747 mm_table_record->dclk = le32_to_cpu(mm_dependency_record->ulDClk);
748 }
749
750 *tonga_mm_table = mm_table;
751
752 return 0;
753 }
754
get_gpio_table(struct pp_hwmgr * hwmgr,struct phm_ppt_v1_gpio_table ** pp_tonga_gpio_table,const ATOM_Tonga_GPIO_Table * atom_gpio_table)755 static int get_gpio_table(struct pp_hwmgr *hwmgr,
756 struct phm_ppt_v1_gpio_table **pp_tonga_gpio_table,
757 const ATOM_Tonga_GPIO_Table *atom_gpio_table)
758 {
759 uint32_t table_size;
760 struct phm_ppt_v1_gpio_table *pp_gpio_table;
761 struct phm_ppt_v1_information *pp_table_information =
762 (struct phm_ppt_v1_information *)(hwmgr->pptable);
763
764 table_size = sizeof(struct phm_ppt_v1_gpio_table);
765 pp_gpio_table = kzalloc(table_size, GFP_KERNEL);
766 if (!pp_gpio_table)
767 return -ENOMEM;
768
769 if (pp_table_information->vdd_dep_on_sclk->count <
770 atom_gpio_table->ucVRHotTriggeredSclkDpmIndex)
771 PP_ASSERT_WITH_CODE(false,
772 "SCLK DPM index for VRHot cannot exceed the total sclk level count!",);
773 else
774 pp_gpio_table->vrhot_triggered_sclk_dpm_index =
775 atom_gpio_table->ucVRHotTriggeredSclkDpmIndex;
776
777 *pp_tonga_gpio_table = pp_gpio_table;
778
779 return 0;
780 }
781 /**
782 * init_clock_voltage_dependency - Private Function used during initialization.
783 * Initialize clock voltage dependency
784 * @hwmgr: Pointer to the hardware manager.
785 * @powerplay_table: Pointer to the PowerPlay Table.
786 */
init_clock_voltage_dependency(struct pp_hwmgr * hwmgr,const ATOM_Tonga_POWERPLAYTABLE * powerplay_table)787 static int init_clock_voltage_dependency(
788 struct pp_hwmgr *hwmgr,
789 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
790 )
791 {
792 int result = 0;
793 struct phm_ppt_v1_information *pp_table_information =
794 (struct phm_ppt_v1_information *)(hwmgr->pptable);
795
796 const ATOM_Tonga_MM_Dependency_Table *mm_dependency_table =
797 (const ATOM_Tonga_MM_Dependency_Table *)(((unsigned long) powerplay_table) +
798 le16_to_cpu(powerplay_table->usMMDependencyTableOffset));
799 const PPTable_Generic_SubTable_Header *pPowerTuneTable =
800 (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
801 le16_to_cpu(powerplay_table->usPowerTuneTableOffset));
802 const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
803 (const ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long) powerplay_table) +
804 le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
805 const PPTable_Generic_SubTable_Header *sclk_dep_table =
806 (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
807 le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
808 const ATOM_Tonga_Hard_Limit_Table *pHardLimits =
809 (const ATOM_Tonga_Hard_Limit_Table *)(((unsigned long) powerplay_table) +
810 le16_to_cpu(powerplay_table->usHardLimitTableOffset));
811 const PPTable_Generic_SubTable_Header *pcie_table =
812 (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
813 le16_to_cpu(powerplay_table->usPCIETableOffset));
814 const ATOM_Tonga_GPIO_Table *gpio_table =
815 (const ATOM_Tonga_GPIO_Table *)(((unsigned long) powerplay_table) +
816 le16_to_cpu(powerplay_table->usGPIOTableOffset));
817
818 pp_table_information->vdd_dep_on_sclk = NULL;
819 pp_table_information->vdd_dep_on_mclk = NULL;
820 pp_table_information->mm_dep_table = NULL;
821 pp_table_information->pcie_table = NULL;
822 pp_table_information->gpio_table = NULL;
823
824 if (powerplay_table->usMMDependencyTableOffset != 0)
825 result = get_mm_clock_voltage_table(hwmgr,
826 &pp_table_information->mm_dep_table, mm_dependency_table);
827
828 if (result == 0 && powerplay_table->usPowerTuneTableOffset != 0)
829 result = get_cac_tdp_table(hwmgr,
830 &pp_table_information->cac_dtp_table, pPowerTuneTable);
831
832 if (result == 0 && powerplay_table->usSclkDependencyTableOffset != 0)
833 result = get_sclk_voltage_dependency_table(hwmgr,
834 &pp_table_information->vdd_dep_on_sclk, sclk_dep_table);
835
836 if (result == 0 && powerplay_table->usMclkDependencyTableOffset != 0)
837 result = get_mclk_voltage_dependency_table(hwmgr,
838 &pp_table_information->vdd_dep_on_mclk, mclk_dep_table);
839
840 if (result == 0 && powerplay_table->usPCIETableOffset != 0)
841 result = get_pcie_table(hwmgr,
842 &pp_table_information->pcie_table, pcie_table);
843
844 if (result == 0 && powerplay_table->usHardLimitTableOffset != 0)
845 result = get_hard_limits(hwmgr,
846 &pp_table_information->max_clock_voltage_on_dc, pHardLimits);
847
848 hwmgr->dyn_state.max_clock_voltage_on_dc.sclk =
849 pp_table_information->max_clock_voltage_on_dc.sclk;
850 hwmgr->dyn_state.max_clock_voltage_on_dc.mclk =
851 pp_table_information->max_clock_voltage_on_dc.mclk;
852 hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
853 pp_table_information->max_clock_voltage_on_dc.vddc;
854 hwmgr->dyn_state.max_clock_voltage_on_dc.vddci =
855 pp_table_information->max_clock_voltage_on_dc.vddci;
856
857 if (result == 0 && (NULL != pp_table_information->vdd_dep_on_mclk)
858 && (0 != pp_table_information->vdd_dep_on_mclk->count))
859 result = get_valid_clk(hwmgr, &pp_table_information->valid_mclk_values,
860 pp_table_information->vdd_dep_on_mclk);
861
862 if (result == 0 && (NULL != pp_table_information->vdd_dep_on_sclk)
863 && (0 != pp_table_information->vdd_dep_on_sclk->count))
864 result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values,
865 pp_table_information->vdd_dep_on_sclk);
866
867 if (!result && gpio_table)
868 result = get_gpio_table(hwmgr, &pp_table_information->gpio_table,
869 gpio_table);
870
871 return result;
872 }
873
874 /**
875 * init_over_drive_limits - Retrieves the (signed) Overdrive limits from VBIOS.
876 * The max engine clock, memory clock and max temperature come from the firmware info table.
877 *
878 * The information is placed into the platform descriptor.
879 *
880 * @hwmgr: source of the VBIOS table and owner of the platform descriptor to be updated.
881 * @powerplay_table: the address of the PowerPlay table.
882 *
883 * Return: 1 as long as the firmware info table was present and of a supported version.
884 */
init_over_drive_limits(struct pp_hwmgr * hwmgr,const ATOM_Tonga_POWERPLAYTABLE * powerplay_table)885 static int init_over_drive_limits(
886 struct pp_hwmgr *hwmgr,
887 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table)
888 {
889 hwmgr->platform_descriptor.overdriveLimit.engineClock =
890 le32_to_cpu(powerplay_table->ulMaxODEngineClock);
891 hwmgr->platform_descriptor.overdriveLimit.memoryClock =
892 le32_to_cpu(powerplay_table->ulMaxODMemoryClock);
893
894 hwmgr->platform_descriptor.minOverdriveVDDC = 0;
895 hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
896 hwmgr->platform_descriptor.overdriveVDDCStep = 0;
897
898 return 0;
899 }
900
901 /**
902 * init_thermal_controller - Private Function used during initialization.
903 * Inspect the PowerPlay table for obvious signs of corruption.
904 * @hwmgr: Pointer to the hardware manager.
905 * @powerplay_table: Pointer to the PowerPlay Table.
906 * Exception: This implementation always returns 1.
907 */
init_thermal_controller(struct pp_hwmgr * hwmgr,const ATOM_Tonga_POWERPLAYTABLE * powerplay_table)908 static int init_thermal_controller(
909 struct pp_hwmgr *hwmgr,
910 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
911 )
912 {
913 const PPTable_Generic_SubTable_Header *fan_table;
914 ATOM_Tonga_Thermal_Controller *thermal_controller;
915
916 thermal_controller = (ATOM_Tonga_Thermal_Controller *)
917 (((unsigned long)powerplay_table) +
918 le16_to_cpu(powerplay_table->usThermalControllerOffset));
919 PP_ASSERT_WITH_CODE((0 != powerplay_table->usThermalControllerOffset),
920 "Thermal controller table not set!", return -1);
921
922 hwmgr->thermal_controller.ucType = thermal_controller->ucType;
923 hwmgr->thermal_controller.ucI2cLine = thermal_controller->ucI2cLine;
924 hwmgr->thermal_controller.ucI2cAddress = thermal_controller->ucI2cAddress;
925
926 hwmgr->thermal_controller.fanInfo.bNoFan =
927 (0 != (thermal_controller->ucFanParameters & ATOM_TONGA_PP_FANPARAMETERS_NOFAN));
928
929 hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
930 thermal_controller->ucFanParameters &
931 ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
932
933 hwmgr->thermal_controller.fanInfo.ulMinRPM
934 = thermal_controller->ucFanMinRPM * 100UL;
935 hwmgr->thermal_controller.fanInfo.ulMaxRPM
936 = thermal_controller->ucFanMaxRPM * 100UL;
937
938 set_hw_cap(
939 hwmgr,
940 ATOM_TONGA_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
941 PHM_PlatformCaps_ThermalController
942 );
943
944 if (0 == powerplay_table->usFanTableOffset) {
945 hwmgr->thermal_controller.use_hw_fan_control = 1;
946 return 0;
947 }
948
949 fan_table = (const PPTable_Generic_SubTable_Header *)
950 (((unsigned long)powerplay_table) +
951 le16_to_cpu(powerplay_table->usFanTableOffset));
952
953 PP_ASSERT_WITH_CODE((0 != powerplay_table->usFanTableOffset),
954 "Fan table not set!", return -1);
955 PP_ASSERT_WITH_CODE((0 < fan_table->ucRevId),
956 "Unsupported fan table format!", return -1);
957
958 hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay
959 = 100000;
960 phm_cap_set(hwmgr->platform_descriptor.platformCaps,
961 PHM_PlatformCaps_MicrocodeFanControl);
962
963 if (fan_table->ucRevId < 8) {
964 const ATOM_Tonga_Fan_Table *tonga_fan_table =
965 (ATOM_Tonga_Fan_Table *)fan_table;
966 hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
967 = tonga_fan_table->ucTHyst;
968 hwmgr->thermal_controller.advanceFanControlParameters.usTMin
969 = le16_to_cpu(tonga_fan_table->usTMin);
970 hwmgr->thermal_controller.advanceFanControlParameters.usTMed
971 = le16_to_cpu(tonga_fan_table->usTMed);
972 hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
973 = le16_to_cpu(tonga_fan_table->usTHigh);
974 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
975 = le16_to_cpu(tonga_fan_table->usPWMMin);
976 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
977 = le16_to_cpu(tonga_fan_table->usPWMMed);
978 hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
979 = le16_to_cpu(tonga_fan_table->usPWMHigh);
980 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
981 = 10900; /* hard coded */
982 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
983 = le16_to_cpu(tonga_fan_table->usTMax);
984 hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
985 = tonga_fan_table->ucFanControlMode;
986 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
987 = le16_to_cpu(tonga_fan_table->usFanPWMMax);
988 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
989 = 4836;
990 hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
991 = le16_to_cpu(tonga_fan_table->usFanOutputSensitivity);
992 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
993 = le16_to_cpu(tonga_fan_table->usFanRPMMax);
994 hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
995 = (le32_to_cpu(tonga_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */
996 hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
997 = tonga_fan_table->ucTargetTemperature;
998 hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
999 = tonga_fan_table->ucMinimumPWMLimit;
1000 } else if (fan_table->ucRevId == 8) {
1001 const ATOM_Fiji_Fan_Table *fiji_fan_table =
1002 (ATOM_Fiji_Fan_Table *)fan_table;
1003 hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
1004 = fiji_fan_table->ucTHyst;
1005 hwmgr->thermal_controller.advanceFanControlParameters.usTMin
1006 = le16_to_cpu(fiji_fan_table->usTMin);
1007 hwmgr->thermal_controller.advanceFanControlParameters.usTMed
1008 = le16_to_cpu(fiji_fan_table->usTMed);
1009 hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
1010 = le16_to_cpu(fiji_fan_table->usTHigh);
1011 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
1012 = le16_to_cpu(fiji_fan_table->usPWMMin);
1013 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
1014 = le16_to_cpu(fiji_fan_table->usPWMMed);
1015 hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
1016 = le16_to_cpu(fiji_fan_table->usPWMHigh);
1017 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
1018 = le16_to_cpu(fiji_fan_table->usTMax);
1019 hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
1020 = fiji_fan_table->ucFanControlMode;
1021 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
1022 = le16_to_cpu(fiji_fan_table->usFanPWMMax);
1023 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
1024 = 4836;
1025 hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
1026 = le16_to_cpu(fiji_fan_table->usFanOutputSensitivity);
1027 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
1028 = le16_to_cpu(fiji_fan_table->usFanRPMMax);
1029 hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
1030 = (le32_to_cpu(fiji_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */
1031 hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
1032 = fiji_fan_table->ucTargetTemperature;
1033 hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
1034 = fiji_fan_table->ucMinimumPWMLimit;
1035
1036 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
1037 = le16_to_cpu(fiji_fan_table->usFanGainEdge);
1038 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
1039 = le16_to_cpu(fiji_fan_table->usFanGainHotspot);
1040 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
1041 = le16_to_cpu(fiji_fan_table->usFanGainLiquid);
1042 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
1043 = le16_to_cpu(fiji_fan_table->usFanGainVrVddc);
1044 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
1045 = le16_to_cpu(fiji_fan_table->usFanGainVrMvdd);
1046 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
1047 = le16_to_cpu(fiji_fan_table->usFanGainPlx);
1048 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
1049 = le16_to_cpu(fiji_fan_table->usFanGainHbm);
1050 } else if (fan_table->ucRevId >= 9) {
1051 const ATOM_Polaris_Fan_Table *polaris_fan_table =
1052 (ATOM_Polaris_Fan_Table *)fan_table;
1053 hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
1054 = polaris_fan_table->ucTHyst;
1055 hwmgr->thermal_controller.advanceFanControlParameters.usTMin
1056 = le16_to_cpu(polaris_fan_table->usTMin);
1057 hwmgr->thermal_controller.advanceFanControlParameters.usTMed
1058 = le16_to_cpu(polaris_fan_table->usTMed);
1059 hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
1060 = le16_to_cpu(polaris_fan_table->usTHigh);
1061 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
1062 = le16_to_cpu(polaris_fan_table->usPWMMin);
1063 hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
1064 = le16_to_cpu(polaris_fan_table->usPWMMed);
1065 hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
1066 = le16_to_cpu(polaris_fan_table->usPWMHigh);
1067 hwmgr->thermal_controller.advanceFanControlParameters.usTMax
1068 = le16_to_cpu(polaris_fan_table->usTMax);
1069 hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
1070 = polaris_fan_table->ucFanControlMode;
1071 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
1072 = le16_to_cpu(polaris_fan_table->usFanPWMMax);
1073 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
1074 = 4836;
1075 hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
1076 = le16_to_cpu(polaris_fan_table->usFanOutputSensitivity);
1077 hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
1078 = le16_to_cpu(polaris_fan_table->usFanRPMMax);
1079 hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
1080 = (le32_to_cpu(polaris_fan_table->ulMinFanSCLKAcousticLimit) / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */
1081 hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
1082 = polaris_fan_table->ucTargetTemperature;
1083 hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
1084 = polaris_fan_table->ucMinimumPWMLimit;
1085
1086 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
1087 = le16_to_cpu(polaris_fan_table->usFanGainEdge);
1088 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
1089 = le16_to_cpu(polaris_fan_table->usFanGainHotspot);
1090 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
1091 = le16_to_cpu(polaris_fan_table->usFanGainLiquid);
1092 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
1093 = le16_to_cpu(polaris_fan_table->usFanGainVrVddc);
1094 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
1095 = le16_to_cpu(polaris_fan_table->usFanGainVrMvdd);
1096 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
1097 = le16_to_cpu(polaris_fan_table->usFanGainPlx);
1098 hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
1099 = le16_to_cpu(polaris_fan_table->usFanGainHbm);
1100 hwmgr->thermal_controller.advanceFanControlParameters.ucEnableZeroRPM
1101 = le16_to_cpu(polaris_fan_table->ucEnableZeroRPM);
1102 hwmgr->thermal_controller.advanceFanControlParameters.ucFanStopTemperature
1103 = le16_to_cpu(polaris_fan_table->ucFanStopTemperature);
1104 hwmgr->thermal_controller.advanceFanControlParameters.ucFanStartTemperature
1105 = le16_to_cpu(polaris_fan_table->ucFanStartTemperature);
1106 }
1107
1108 return 0;
1109 }
1110
1111 /**
1112 * check_powerplay_tables - Private Function used during initialization.
1113 * Inspect the PowerPlay table for obvious signs of corruption.
1114 * @hwmgr: Pointer to the hardware manager.
1115 * @powerplay_table: Pointer to the PowerPlay Table.
1116 * Exception: 2 if the powerplay table is incorrect.
1117 */
check_powerplay_tables(struct pp_hwmgr * hwmgr,const ATOM_Tonga_POWERPLAYTABLE * powerplay_table)1118 static int check_powerplay_tables(
1119 struct pp_hwmgr *hwmgr,
1120 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
1121 )
1122 {
1123 const ATOM_Tonga_State_Array *state_arrays;
1124
1125 state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)powerplay_table) +
1126 le16_to_cpu(powerplay_table->usStateArrayOffset));
1127
1128 PP_ASSERT_WITH_CODE((ATOM_Tonga_TABLE_REVISION_TONGA <=
1129 powerplay_table->sHeader.ucTableFormatRevision),
1130 "Unsupported PPTable format!", return -1);
1131 PP_ASSERT_WITH_CODE((0 != powerplay_table->usStateArrayOffset),
1132 "State table is not set!", return -1);
1133 PP_ASSERT_WITH_CODE((0 < powerplay_table->sHeader.usStructureSize),
1134 "Invalid PowerPlay Table!", return -1);
1135 PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
1136 "Invalid PowerPlay Table!", return -1);
1137
1138 return 0;
1139 }
1140
pp_tables_v1_0_initialize(struct pp_hwmgr * hwmgr)1141 static int pp_tables_v1_0_initialize(struct pp_hwmgr *hwmgr)
1142 {
1143 int result = 0;
1144 const ATOM_Tonga_POWERPLAYTABLE *powerplay_table;
1145
1146 hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v1_information), GFP_KERNEL);
1147
1148 PP_ASSERT_WITH_CODE((NULL != hwmgr->pptable),
1149 "Failed to allocate hwmgr->pptable!", return -ENOMEM);
1150
1151 powerplay_table = get_powerplay_table(hwmgr);
1152
1153 PP_ASSERT_WITH_CODE((NULL != powerplay_table),
1154 "Missing PowerPlay Table!", return -1);
1155
1156 result = check_powerplay_tables(hwmgr, powerplay_table);
1157
1158 PP_ASSERT_WITH_CODE((result == 0),
1159 "check_powerplay_tables failed", return result);
1160
1161 result = set_platform_caps(hwmgr,
1162 le32_to_cpu(powerplay_table->ulPlatformCaps));
1163
1164 PP_ASSERT_WITH_CODE((result == 0),
1165 "set_platform_caps failed", return result);
1166
1167 result = init_thermal_controller(hwmgr, powerplay_table);
1168
1169 PP_ASSERT_WITH_CODE((result == 0),
1170 "init_thermal_controller failed", return result);
1171
1172 result = init_over_drive_limits(hwmgr, powerplay_table);
1173
1174 PP_ASSERT_WITH_CODE((result == 0),
1175 "init_over_drive_limits failed", return result);
1176
1177 result = init_clock_voltage_dependency(hwmgr, powerplay_table);
1178
1179 PP_ASSERT_WITH_CODE((result == 0),
1180 "init_clock_voltage_dependency failed", return result);
1181
1182 result = init_dpm_2_parameters(hwmgr, powerplay_table);
1183
1184 PP_ASSERT_WITH_CODE((result == 0),
1185 "init_dpm_2_parameters failed", return result);
1186
1187 return result;
1188 }
1189
pp_tables_v1_0_uninitialize(struct pp_hwmgr * hwmgr)1190 static int pp_tables_v1_0_uninitialize(struct pp_hwmgr *hwmgr)
1191 {
1192 struct phm_ppt_v1_information *pp_table_information =
1193 (struct phm_ppt_v1_information *)(hwmgr->pptable);
1194
1195 kfree(pp_table_information->vdd_dep_on_sclk);
1196 pp_table_information->vdd_dep_on_sclk = NULL;
1197
1198 kfree(pp_table_information->vdd_dep_on_mclk);
1199 pp_table_information->vdd_dep_on_mclk = NULL;
1200
1201 kfree(pp_table_information->valid_mclk_values);
1202 pp_table_information->valid_mclk_values = NULL;
1203
1204 kfree(pp_table_information->valid_sclk_values);
1205 pp_table_information->valid_sclk_values = NULL;
1206
1207 kfree(pp_table_information->vddc_lookup_table);
1208 pp_table_information->vddc_lookup_table = NULL;
1209
1210 kfree(pp_table_information->vddgfx_lookup_table);
1211 pp_table_information->vddgfx_lookup_table = NULL;
1212
1213 kfree(pp_table_information->mm_dep_table);
1214 pp_table_information->mm_dep_table = NULL;
1215
1216 kfree(pp_table_information->cac_dtp_table);
1217 pp_table_information->cac_dtp_table = NULL;
1218
1219 kfree(hwmgr->dyn_state.cac_dtp_table);
1220 hwmgr->dyn_state.cac_dtp_table = NULL;
1221
1222 kfree(pp_table_information->ppm_parameter_table);
1223 pp_table_information->ppm_parameter_table = NULL;
1224
1225 kfree(pp_table_information->pcie_table);
1226 pp_table_information->pcie_table = NULL;
1227
1228 kfree(pp_table_information->gpio_table);
1229 pp_table_information->gpio_table = NULL;
1230
1231 kfree(hwmgr->pptable);
1232 hwmgr->pptable = NULL;
1233
1234 return 0;
1235 }
1236
1237 const struct pp_table_func pptable_v1_0_funcs = {
1238 .pptable_init = pp_tables_v1_0_initialize,
1239 .pptable_fini = pp_tables_v1_0_uninitialize,
1240 };
1241
get_number_of_powerplay_table_entries_v1_0(struct pp_hwmgr * hwmgr)1242 int get_number_of_powerplay_table_entries_v1_0(struct pp_hwmgr *hwmgr)
1243 {
1244 ATOM_Tonga_State_Array const *state_arrays;
1245 const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1246
1247 PP_ASSERT_WITH_CODE((NULL != pp_table),
1248 "Missing PowerPlay Table!", return -1);
1249 PP_ASSERT_WITH_CODE((pp_table->sHeader.ucTableFormatRevision >=
1250 ATOM_Tonga_TABLE_REVISION_TONGA),
1251 "Incorrect PowerPlay table revision!", return -1);
1252
1253 state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
1254 le16_to_cpu(pp_table->usStateArrayOffset));
1255
1256 return (uint32_t)(state_arrays->ucNumEntries);
1257 }
1258
1259 /*
1260 * Private function to convert flags stored in the BIOS to software flags in PowerPlay.
1261 */
make_classification_flags(struct pp_hwmgr * hwmgr,uint16_t classification,uint16_t classification2)1262 static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
1263 uint16_t classification, uint16_t classification2)
1264 {
1265 uint32_t result = 0;
1266
1267 if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
1268 result |= PP_StateClassificationFlag_Boot;
1269
1270 if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
1271 result |= PP_StateClassificationFlag_Thermal;
1272
1273 if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
1274 result |= PP_StateClassificationFlag_LimitedPowerSource;
1275
1276 if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
1277 result |= PP_StateClassificationFlag_Rest;
1278
1279 if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
1280 result |= PP_StateClassificationFlag_Forced;
1281
1282 if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
1283 result |= PP_StateClassificationFlag_ACPI;
1284
1285 if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
1286 result |= PP_StateClassificationFlag_LimitedPowerSource_2;
1287
1288 return result;
1289 }
1290
ppt_get_num_of_vce_state_table_entries_v1_0(struct pp_hwmgr * hwmgr)1291 static int ppt_get_num_of_vce_state_table_entries_v1_0(struct pp_hwmgr *hwmgr)
1292 {
1293 const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1294 const ATOM_Tonga_VCE_State_Table *vce_state_table;
1295
1296
1297 if (pp_table == NULL)
1298 return 0;
1299
1300 vce_state_table = (void *)pp_table +
1301 le16_to_cpu(pp_table->usVCEStateTableOffset);
1302
1303 return vce_state_table->ucNumEntries;
1304 }
1305
ppt_get_vce_state_table_entry_v1_0(struct pp_hwmgr * hwmgr,uint32_t i,struct amd_vce_state * vce_state,void ** clock_info,uint32_t * flag)1306 static int ppt_get_vce_state_table_entry_v1_0(struct pp_hwmgr *hwmgr, uint32_t i,
1307 struct amd_vce_state *vce_state, void **clock_info, uint32_t *flag)
1308 {
1309 const ATOM_Tonga_VCE_State_Record *vce_state_record;
1310 ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
1311 ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
1312 ATOM_Tonga_MM_Dependency_Record *mm_dep_record;
1313 const ATOM_Tonga_POWERPLAYTABLE *pptable = get_powerplay_table(hwmgr);
1314 const ATOM_Tonga_VCE_State_Table *vce_state_table = (ATOM_Tonga_VCE_State_Table *)(((unsigned long)pptable)
1315 + le16_to_cpu(pptable->usVCEStateTableOffset));
1316 const ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = (ATOM_Tonga_SCLK_Dependency_Table *)(((unsigned long)pptable)
1317 + le16_to_cpu(pptable->usSclkDependencyTableOffset));
1318 const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = (ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long)pptable)
1319 + le16_to_cpu(pptable->usMclkDependencyTableOffset));
1320 const ATOM_Tonga_MM_Dependency_Table *mm_dep_table = (ATOM_Tonga_MM_Dependency_Table *)(((unsigned long)pptable)
1321 + le16_to_cpu(pptable->usMMDependencyTableOffset));
1322
1323 PP_ASSERT_WITH_CODE((i < vce_state_table->ucNumEntries),
1324 "Requested state entry ID is out of range!",
1325 return -EINVAL);
1326
1327 vce_state_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1328 ATOM_Tonga_VCE_State_Record,
1329 entries, vce_state_table, i);
1330 sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1331 ATOM_Tonga_SCLK_Dependency_Record,
1332 entries, sclk_dep_table,
1333 vce_state_record->ucSCLKIndex);
1334 mm_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1335 ATOM_Tonga_MM_Dependency_Record,
1336 entries, mm_dep_table,
1337 vce_state_record->ucVCEClockIndex);
1338 *flag = vce_state_record->ucFlag;
1339
1340 vce_state->evclk = le32_to_cpu(mm_dep_record->ulEClk);
1341 vce_state->ecclk = le32_to_cpu(mm_dep_record->ulEClk);
1342 vce_state->sclk = le32_to_cpu(sclk_dep_record->ulSclk);
1343
1344 if (vce_state_record->ucMCLKIndex >= mclk_dep_table->ucNumEntries)
1345 mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1346 ATOM_Tonga_MCLK_Dependency_Record,
1347 entries, mclk_dep_table,
1348 mclk_dep_table->ucNumEntries - 1);
1349 else
1350 mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1351 ATOM_Tonga_MCLK_Dependency_Record,
1352 entries, mclk_dep_table,
1353 vce_state_record->ucMCLKIndex);
1354
1355 vce_state->mclk = le32_to_cpu(mclk_dep_record->ulMclk);
1356 return 0;
1357 }
1358
1359 /**
1360 * get_powerplay_table_entry_v1_0 - Create a Power State out of an entry in the PowerPlay table.
1361 * This function is called by the hardware back-end.
1362 * @hwmgr: Pointer to the hardware manager.
1363 * @entry_index: The index of the entry to be extracted from the table.
1364 * @power_state: The address of the PowerState instance being created.
1365 * @call_back_func: The function to call into to fill power state
1366 * Return: -1 if the entry cannot be retrieved.
1367 */
get_powerplay_table_entry_v1_0(struct pp_hwmgr * hwmgr,uint32_t entry_index,struct pp_power_state * power_state,int (* call_back_func)(struct pp_hwmgr *,void *,struct pp_power_state *,void *,uint32_t))1368 int get_powerplay_table_entry_v1_0(struct pp_hwmgr *hwmgr,
1369 uint32_t entry_index, struct pp_power_state *power_state,
1370 int (*call_back_func)(struct pp_hwmgr *, void *,
1371 struct pp_power_state *, void *, uint32_t))
1372 {
1373 int result = 0;
1374 const ATOM_Tonga_State_Array *state_arrays;
1375 const ATOM_Tonga_State *state_entry;
1376 const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
1377 int i, j;
1378 uint32_t flags = 0;
1379
1380 PP_ASSERT_WITH_CODE((NULL != pp_table), "Missing PowerPlay Table!", return -1;);
1381 power_state->classification.bios_index = entry_index;
1382
1383 if (pp_table->sHeader.ucTableFormatRevision >=
1384 ATOM_Tonga_TABLE_REVISION_TONGA) {
1385 state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
1386 le16_to_cpu(pp_table->usStateArrayOffset));
1387
1388 PP_ASSERT_WITH_CODE((0 < pp_table->usStateArrayOffset),
1389 "Invalid PowerPlay Table State Array Offset.", return -1);
1390 PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
1391 "Invalid PowerPlay Table State Array.", return -1);
1392 PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
1393 "Invalid PowerPlay Table State Array Entry.", return -1);
1394
1395 state_entry = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
1396 ATOM_Tonga_State, entries,
1397 state_arrays, entry_index);
1398
1399 result = call_back_func(hwmgr, (void *)state_entry, power_state,
1400 (void *)pp_table,
1401 make_classification_flags(hwmgr,
1402 le16_to_cpu(state_entry->usClassification),
1403 le16_to_cpu(state_entry->usClassification2)));
1404 }
1405
1406 if (!result && (power_state->classification.flags &
1407 PP_StateClassificationFlag_Boot))
1408 result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
1409
1410 hwmgr->num_vce_state_tables = i = ppt_get_num_of_vce_state_table_entries_v1_0(hwmgr);
1411
1412 if ((i != 0) && (i <= AMD_MAX_VCE_LEVELS)) {
1413 for (j = 0; j < i; j++)
1414 ppt_get_vce_state_table_entry_v1_0(hwmgr, j, &(hwmgr->vce_states[j]), NULL, &flags);
1415 }
1416
1417 return result;
1418 }
1419
1420