Merge branch 'acpi-pm'
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / pm / powerplay / sislands_smc.h
1 /*
2  * Copyright 2013 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 #ifndef PP_SISLANDS_SMC_H
24 #define PP_SISLANDS_SMC_H
25
26 #include "ppsmc.h"
27
28 #pragma pack(push, 1)
29
30 #define SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE 16
31
32 struct PP_SIslands_Dpm2PerfLevel
33 {
34     uint8_t MaxPS;
35     uint8_t TgtAct;
36     uint8_t MaxPS_StepInc;
37     uint8_t MaxPS_StepDec;
38     uint8_t PSSamplingTime;
39     uint8_t NearTDPDec;
40     uint8_t AboveSafeInc;
41     uint8_t BelowSafeInc;
42     uint8_t PSDeltaLimit;
43     uint8_t PSDeltaWin;
44     uint16_t PwrEfficiencyRatio;
45     uint8_t Reserved[4];
46 };
47
48 typedef struct PP_SIslands_Dpm2PerfLevel PP_SIslands_Dpm2PerfLevel;
49
50 struct PP_SIslands_DPM2Status
51 {
52     uint32_t    dpm2Flags;
53     uint8_t     CurrPSkip;
54     uint8_t     CurrPSkipPowerShift;
55     uint8_t     CurrPSkipTDP;
56     uint8_t     CurrPSkipOCP;
57     uint8_t     MaxSPLLIndex;
58     uint8_t     MinSPLLIndex;
59     uint8_t     CurrSPLLIndex;
60     uint8_t     InfSweepMode;
61     uint8_t     InfSweepDir;
62     uint8_t     TDPexceeded;
63     uint8_t     reserved;
64     uint8_t     SwitchDownThreshold;
65     uint32_t    SwitchDownCounter;
66     uint32_t    SysScalingFactor;
67 };
68
69 typedef struct PP_SIslands_DPM2Status PP_SIslands_DPM2Status;
70
71 struct PP_SIslands_DPM2Parameters
72 {
73     uint32_t    TDPLimit;
74     uint32_t    NearTDPLimit;
75     uint32_t    SafePowerLimit;
76     uint32_t    PowerBoostLimit;
77     uint32_t    MinLimitDelta;
78 };
79 typedef struct PP_SIslands_DPM2Parameters PP_SIslands_DPM2Parameters;
80
81 struct PP_SIslands_PAPMStatus
82 {
83     uint32_t    EstimatedDGPU_T;
84     uint32_t    EstimatedDGPU_P;
85     uint32_t    EstimatedAPU_T;
86     uint32_t    EstimatedAPU_P;
87     uint8_t     dGPU_T_Limit_Exceeded;
88     uint8_t     reserved[3];
89 };
90 typedef struct PP_SIslands_PAPMStatus PP_SIslands_PAPMStatus;
91
92 struct PP_SIslands_PAPMParameters
93 {
94     uint32_t    NearTDPLimitTherm;
95     uint32_t    NearTDPLimitPAPM;
96     uint32_t    PlatformPowerLimit;
97     uint32_t    dGPU_T_Limit;
98     uint32_t    dGPU_T_Warning;
99     uint32_t    dGPU_T_Hysteresis;
100 };
101 typedef struct PP_SIslands_PAPMParameters PP_SIslands_PAPMParameters;
102
103 struct SISLANDS_SMC_SCLK_VALUE
104 {
105     uint32_t    vCG_SPLL_FUNC_CNTL;
106     uint32_t    vCG_SPLL_FUNC_CNTL_2;
107     uint32_t    vCG_SPLL_FUNC_CNTL_3;
108     uint32_t    vCG_SPLL_FUNC_CNTL_4;
109     uint32_t    vCG_SPLL_SPREAD_SPECTRUM;
110     uint32_t    vCG_SPLL_SPREAD_SPECTRUM_2;
111     uint32_t    sclk_value;
112 };
113
114 typedef struct SISLANDS_SMC_SCLK_VALUE SISLANDS_SMC_SCLK_VALUE;
115
116 struct SISLANDS_SMC_MCLK_VALUE
117 {
118     uint32_t    vMPLL_FUNC_CNTL;
119     uint32_t    vMPLL_FUNC_CNTL_1;
120     uint32_t    vMPLL_FUNC_CNTL_2;
121     uint32_t    vMPLL_AD_FUNC_CNTL;
122     uint32_t    vMPLL_DQ_FUNC_CNTL;
123     uint32_t    vMCLK_PWRMGT_CNTL;
124     uint32_t    vDLL_CNTL;
125     uint32_t    vMPLL_SS;
126     uint32_t    vMPLL_SS2;
127     uint32_t    mclk_value;
128 };
129
130 typedef struct SISLANDS_SMC_MCLK_VALUE SISLANDS_SMC_MCLK_VALUE;
131
132 struct SISLANDS_SMC_VOLTAGE_VALUE
133 {
134     uint16_t    value;
135     uint8_t     index;
136     uint8_t     phase_settings;
137 };
138
139 typedef struct SISLANDS_SMC_VOLTAGE_VALUE SISLANDS_SMC_VOLTAGE_VALUE;
140
141 struct SISLANDS_SMC_HW_PERFORMANCE_LEVEL
142 {
143     uint8_t                     ACIndex;
144     uint8_t                     displayWatermark;
145     uint8_t                     gen2PCIE;
146     uint8_t                     UVDWatermark;
147     uint8_t                     VCEWatermark;
148     uint8_t                     strobeMode;
149     uint8_t                     mcFlags;
150     uint8_t                     padding;
151     uint32_t                    aT;
152     uint32_t                    bSP;
153     SISLANDS_SMC_SCLK_VALUE     sclk;
154     SISLANDS_SMC_MCLK_VALUE     mclk;
155     SISLANDS_SMC_VOLTAGE_VALUE  vddc;
156     SISLANDS_SMC_VOLTAGE_VALUE  mvdd;
157     SISLANDS_SMC_VOLTAGE_VALUE  vddci;
158     SISLANDS_SMC_VOLTAGE_VALUE  std_vddc;
159     uint8_t                     hysteresisUp;
160     uint8_t                     hysteresisDown;
161     uint8_t                     stateFlags;
162     uint8_t                     arbRefreshState;
163     uint32_t                    SQPowerThrottle;
164     uint32_t                    SQPowerThrottle_2;
165     uint32_t                    MaxPoweredUpCU;
166     SISLANDS_SMC_VOLTAGE_VALUE  high_temp_vddc;
167     SISLANDS_SMC_VOLTAGE_VALUE  low_temp_vddc;
168     uint32_t                    reserved[2];
169     PP_SIslands_Dpm2PerfLevel   dpm2;
170 };
171
172 #define SISLANDS_SMC_STROBE_RATIO    0x0F
173 #define SISLANDS_SMC_STROBE_ENABLE   0x10
174
175 #define SISLANDS_SMC_MC_EDC_RD_FLAG  0x01
176 #define SISLANDS_SMC_MC_EDC_WR_FLAG  0x02
177 #define SISLANDS_SMC_MC_RTT_ENABLE   0x04
178 #define SISLANDS_SMC_MC_STUTTER_EN   0x08
179 #define SISLANDS_SMC_MC_PG_EN        0x10
180
181 typedef struct SISLANDS_SMC_HW_PERFORMANCE_LEVEL SISLANDS_SMC_HW_PERFORMANCE_LEVEL;
182
183 struct SISLANDS_SMC_SWSTATE
184 {
185         uint8_t                             flags;
186         uint8_t                             levelCount;
187         uint8_t                             padding2;
188         uint8_t                             padding3;
189         SISLANDS_SMC_HW_PERFORMANCE_LEVEL   levels[];
190 };
191
192 typedef struct SISLANDS_SMC_SWSTATE SISLANDS_SMC_SWSTATE;
193
194 #define SISLANDS_SMC_VOLTAGEMASK_VDDC  0
195 #define SISLANDS_SMC_VOLTAGEMASK_MVDD  1
196 #define SISLANDS_SMC_VOLTAGEMASK_VDDCI 2
197 #define SISLANDS_SMC_VOLTAGEMASK_VDDC_PHASE_SHEDDING 3
198 #define SISLANDS_SMC_VOLTAGEMASK_MAX   4
199
200 struct SISLANDS_SMC_VOLTAGEMASKTABLE
201 {
202     uint32_t lowMask[SISLANDS_SMC_VOLTAGEMASK_MAX];
203 };
204
205 typedef struct SISLANDS_SMC_VOLTAGEMASKTABLE SISLANDS_SMC_VOLTAGEMASKTABLE;
206
207 #define SISLANDS_MAX_NO_VREG_STEPS 32
208
209 struct SISLANDS_SMC_STATETABLE
210 {
211     uint8_t                             thermalProtectType;
212     uint8_t                             systemFlags;
213     uint8_t                             maxVDDCIndexInPPTable;
214     uint8_t                             extraFlags;
215     uint32_t                            lowSMIO[SISLANDS_MAX_NO_VREG_STEPS];
216     SISLANDS_SMC_VOLTAGEMASKTABLE       voltageMaskTable;
217     SISLANDS_SMC_VOLTAGEMASKTABLE       phaseMaskTable;
218     PP_SIslands_DPM2Parameters          dpm2Params;
219     SISLANDS_SMC_SWSTATE                initialState;
220     SISLANDS_SMC_SWSTATE                ACPIState;
221     SISLANDS_SMC_SWSTATE                ULVState;
222     SISLANDS_SMC_SWSTATE                driverState;
223     SISLANDS_SMC_HW_PERFORMANCE_LEVEL   dpmLevels[SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE - 1];
224 };
225
226 typedef struct SISLANDS_SMC_STATETABLE SISLANDS_SMC_STATETABLE;
227
228 #define SI_SMC_SOFT_REGISTER_mclk_chg_timeout         0x0
229 #define SI_SMC_SOFT_REGISTER_delay_vreg               0xC
230 #define SI_SMC_SOFT_REGISTER_delay_acpi               0x28
231 #define SI_SMC_SOFT_REGISTER_seq_index                0x5C
232 #define SI_SMC_SOFT_REGISTER_mvdd_chg_time            0x60
233 #define SI_SMC_SOFT_REGISTER_mclk_switch_lim          0x70
234 #define SI_SMC_SOFT_REGISTER_watermark_threshold      0x78
235 #define SI_SMC_SOFT_REGISTER_phase_shedding_delay     0x88
236 #define SI_SMC_SOFT_REGISTER_ulv_volt_change_delay    0x8C
237 #define SI_SMC_SOFT_REGISTER_mc_block_delay           0x98
238 #define SI_SMC_SOFT_REGISTER_ticks_per_us             0xA8
239 #define SI_SMC_SOFT_REGISTER_crtc_index               0xC4
240 #define SI_SMC_SOFT_REGISTER_mclk_change_block_cp_min 0xC8
241 #define SI_SMC_SOFT_REGISTER_mclk_change_block_cp_max 0xCC
242 #define SI_SMC_SOFT_REGISTER_non_ulv_pcie_link_width  0xF4
243 #define SI_SMC_SOFT_REGISTER_tdr_is_about_to_happen   0xFC
244 #define SI_SMC_SOFT_REGISTER_vr_hot_gpio              0x100
245 #define SI_SMC_SOFT_REGISTER_svi_rework_plat_type     0x118
246 #define SI_SMC_SOFT_REGISTER_svi_rework_gpio_id_svd   0x11c
247 #define SI_SMC_SOFT_REGISTER_svi_rework_gpio_id_svc   0x120
248
249 struct PP_SIslands_FanTable
250 {
251         uint8_t  fdo_mode;
252         uint8_t  padding;
253         int16_t  temp_min;
254         int16_t  temp_med;
255         int16_t  temp_max;
256         int16_t  slope1;
257         int16_t  slope2;
258         int16_t  fdo_min;
259         int16_t  hys_up;
260         int16_t  hys_down;
261         int16_t  hys_slope;
262         int16_t  temp_resp_lim;
263         int16_t  temp_curr;
264         int16_t  slope_curr;
265         int16_t  pwm_curr;
266         uint32_t refresh_period;
267         int16_t  fdo_max;
268         uint8_t  temp_src;
269         int8_t  padding2;
270 };
271
272 typedef struct PP_SIslands_FanTable PP_SIslands_FanTable;
273
274 #define SMC_SISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES 16
275 #define SMC_SISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES 32
276
277 #define SMC_SISLANDS_SCALE_I  7
278 #define SMC_SISLANDS_SCALE_R 12
279
280 struct PP_SIslands_CacConfig
281 {
282     uint16_t   cac_lkge_lut[SMC_SISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES][SMC_SISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES];
283     uint32_t   lkge_lut_V0;
284     uint32_t   lkge_lut_Vstep;
285     uint32_t   WinTime;
286     uint32_t   R_LL;
287     uint32_t   calculation_repeats;
288     uint32_t   l2numWin_TDP;
289     uint32_t   dc_cac;
290     uint8_t    lts_truncate_n;
291     uint8_t    SHIFT_N;
292     uint8_t    log2_PG_LKG_SCALE;
293     uint8_t    cac_temp;
294     uint32_t   lkge_lut_T0;
295     uint32_t   lkge_lut_Tstep;
296 };
297
298 typedef struct PP_SIslands_CacConfig PP_SIslands_CacConfig;
299
300 #define SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE 16
301 #define SMC_SISLANDS_MC_REGISTER_ARRAY_SET_COUNT 20
302
303 struct SMC_SIslands_MCRegisterAddress
304 {
305     uint16_t s0;
306     uint16_t s1;
307 };
308
309 typedef struct SMC_SIslands_MCRegisterAddress SMC_SIslands_MCRegisterAddress;
310
311 struct SMC_SIslands_MCRegisterSet
312 {
313     uint32_t value[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
314 };
315
316 typedef struct SMC_SIslands_MCRegisterSet SMC_SIslands_MCRegisterSet;
317
318 struct SMC_SIslands_MCRegisters
319 {
320     uint8_t                             last;
321     uint8_t                             reserved[3];
322     SMC_SIslands_MCRegisterAddress      address[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
323     SMC_SIslands_MCRegisterSet          data[SMC_SISLANDS_MC_REGISTER_ARRAY_SET_COUNT];
324 };
325
326 typedef struct SMC_SIslands_MCRegisters SMC_SIslands_MCRegisters;
327
328 struct SMC_SIslands_MCArbDramTimingRegisterSet
329 {
330     uint32_t mc_arb_dram_timing;
331     uint32_t mc_arb_dram_timing2;
332     uint8_t  mc_arb_rfsh_rate;
333     uint8_t  mc_arb_burst_time;
334     uint8_t  padding[2];
335 };
336
337 typedef struct SMC_SIslands_MCArbDramTimingRegisterSet SMC_SIslands_MCArbDramTimingRegisterSet;
338
339 struct SMC_SIslands_MCArbDramTimingRegisters
340 {
341     uint8_t                                     arb_current;
342     uint8_t                                     reserved[3];
343     SMC_SIslands_MCArbDramTimingRegisterSet     data[16];
344 };
345
346 typedef struct SMC_SIslands_MCArbDramTimingRegisters SMC_SIslands_MCArbDramTimingRegisters;
347
348 struct SMC_SISLANDS_SPLL_DIV_TABLE
349 {
350     uint32_t    freq[256];
351     uint32_t    ss[256];
352 };
353
354 #define SMC_SISLANDS_SPLL_DIV_TABLE_FBDIV_MASK  0x01ffffff
355 #define SMC_SISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT 0
356 #define SMC_SISLANDS_SPLL_DIV_TABLE_PDIV_MASK   0xfe000000
357 #define SMC_SISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT  25
358 #define SMC_SISLANDS_SPLL_DIV_TABLE_CLKV_MASK   0x000fffff
359 #define SMC_SISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT  0
360 #define SMC_SISLANDS_SPLL_DIV_TABLE_CLKS_MASK   0xfff00000
361 #define SMC_SISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT  20
362
363 typedef struct SMC_SISLANDS_SPLL_DIV_TABLE SMC_SISLANDS_SPLL_DIV_TABLE;
364
365 #define SMC_SISLANDS_DTE_MAX_FILTER_STAGES 5
366
367 #define SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE 16
368
369 struct Smc_SIslands_DTE_Configuration
370 {
371     uint32_t tau[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
372     uint32_t R[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
373     uint32_t K;
374     uint32_t T0;
375     uint32_t MaxT;
376     uint8_t  WindowSize;
377     uint8_t  Tdep_count;
378     uint8_t  temp_select;
379     uint8_t  DTE_mode;
380     uint8_t  T_limits[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
381     uint32_t Tdep_tau[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
382     uint32_t Tdep_R[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
383     uint32_t Tthreshold;
384 };
385
386 typedef struct Smc_SIslands_DTE_Configuration Smc_SIslands_DTE_Configuration;
387
388 #define SMC_SISLANDS_DTE_STATUS_FLAG_DTE_ON 1
389
390 #define SISLANDS_SMC_FIRMWARE_HEADER_LOCATION 0x10000
391
392 #define SISLANDS_SMC_FIRMWARE_HEADER_version                   0x0
393 #define SISLANDS_SMC_FIRMWARE_HEADER_flags                     0x4
394 #define SISLANDS_SMC_FIRMWARE_HEADER_softRegisters             0xC
395 #define SISLANDS_SMC_FIRMWARE_HEADER_stateTable                0x10
396 #define SISLANDS_SMC_FIRMWARE_HEADER_fanTable                  0x14
397 #define SISLANDS_SMC_FIRMWARE_HEADER_CacConfigTable            0x18
398 #define SISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable           0x24
399 #define SISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable 0x30
400 #define SISLANDS_SMC_FIRMWARE_HEADER_spllTable                 0x38
401 #define SISLANDS_SMC_FIRMWARE_HEADER_DteConfiguration          0x40
402 #define SISLANDS_SMC_FIRMWARE_HEADER_PAPMParameters            0x48
403
404 #pragma pack(pop)
405
406 int amdgpu_si_copy_bytes_to_smc(struct amdgpu_device *adev,
407                                 u32 smc_start_address,
408                                 const u8 *src, u32 byte_count, u32 limit);
409 void amdgpu_si_start_smc(struct amdgpu_device *adev);
410 void amdgpu_si_reset_smc(struct amdgpu_device *adev);
411 int amdgpu_si_program_jump_on_start(struct amdgpu_device *adev);
412 void amdgpu_si_smc_clock(struct amdgpu_device *adev, bool enable);
413 bool amdgpu_si_is_smc_running(struct amdgpu_device *adev);
414 PPSMC_Result amdgpu_si_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg);
415 PPSMC_Result amdgpu_si_wait_for_smc_inactive(struct amdgpu_device *adev);
416 int amdgpu_si_load_smc_ucode(struct amdgpu_device *adev, u32 limit);
417 int amdgpu_si_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
418                                   u32 *value, u32 limit);
419 int amdgpu_si_write_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
420                                    u32 value, u32 limit);
421
422 #endif
423