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 */
40static 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 */
55static 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 */
134static 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
153static 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 */
199static 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(*ptr), 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 */
242static 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
311static 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
342static 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
360static 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
400static 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
475static 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
567static 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
714static 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
755static 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 */
787static 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 */
885static 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 */
908static 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 */
1118static 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
1141static 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
1190static 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
1237const 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
1242int 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 */
1262static 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
1291static 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
1306static 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 */
1368int 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