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26 #ifndef DM_PP_SMU_IF__H
27 #define DM_PP_SMU_IF__H
30 * interface to PPLIB/SMU to setup clocks and pstate requirements on SoC
35 * PP_SMU_INTERFACE_X should be interpreted as the interface defined
36 * starting from X, where X is some family of ASICs. This is as
37 * opposed to interfaces used only for X. There will be some degree
38 * of interface sharing between families of ASIcs.
54 * interim extra handle for backwards compatibility
55 * as some existing functionality not yet implemented
62 PP_SMU_RESULT_UNDEFINED = 0,
65 PP_SMU_RESULT_UNSUPPORTED
68 #define PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MIN 0x0
69 #define PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX 0xFFFF
72 WM_TYPE_PSTATE_CHG = 0,
73 WM_TYPE_RETRAINING = 1,
76 /* This structure is a copy of WatermarkRowGeneric_t defined by smuxx_driver_if.h*/
77 struct pp_smu_wm_set_range {
78 uint16_t min_fill_clk_mhz;
79 uint16_t max_fill_clk_mhz;
80 uint16_t min_drain_clk_mhz;
81 uint16_t max_drain_clk_mhz;
87 #define MAX_WATERMARK_SETS 4
89 struct pp_smu_wm_range_sets {
90 unsigned int num_reader_wm_sets;
91 struct pp_smu_wm_set_range reader_wm_sets[MAX_WATERMARK_SETS];
93 unsigned int num_writer_wm_sets;
94 struct pp_smu_wm_set_range writer_wm_sets[MAX_WATERMARK_SETS];
97 struct pp_smu_funcs_rv {
100 /* PPSMC_MSG_SetDisplayCount
101 * 0 triggers S0i2 optimization
104 void (*set_display_count)(struct pp_smu *pp, int count);
106 /* reader and writer WM's are sent together as part of one table*/
108 * PPSMC_MSG_SetDriverDramAddrHigh
109 * PPSMC_MSG_SetDriverDramAddrLow
110 * PPSMC_MSG_TransferTableDram2Smu
113 void (*set_wm_ranges)(struct pp_smu *pp,
114 struct pp_smu_wm_range_sets *ranges);
116 /* PPSMC_MSG_SetHardMinDcfclkByFreq
117 * fixed clock at requested freq, either from FCH bypass or DFS
119 void (*set_hard_min_dcfclk_by_freq)(struct pp_smu *pp, int mhz);
121 /* PPSMC_MSG_SetMinDeepSleepDcfclk
122 * when DF is in cstate, dcf clock is further divided down
123 * to just above given frequency
125 void (*set_min_deep_sleep_dcfclk)(struct pp_smu *pp, int mhz);
127 /* PPSMC_MSG_SetHardMinFclkByFreq
128 * FCLK will vary with DPM, but never below requested hard min
130 void (*set_hard_min_fclk_by_freq)(struct pp_smu *pp, int mhz);
132 /* PPSMC_MSG_SetHardMinSocclkByFreq
133 * Needed for DWB support
135 void (*set_hard_min_socclk_by_freq)(struct pp_smu *pp, int mhz);
138 void (*set_pme_wa_enable)(struct pp_smu *pp);
141 /* Used by pp_smu_funcs_nv.set_voltage_by_freq
144 enum pp_smu_nv_clock_id {
151 * Used by pp_smu_funcs_nv.get_maximum_sustainable_clocks
153 struct pp_smu_nv_clock_table {
154 // voltage managed SMU, freq set by driver
155 unsigned int displayClockInKhz;
156 unsigned int dppClockInKhz;
157 unsigned int phyClockInKhz;
158 unsigned int pixelClockInKhz;
159 unsigned int dscClockInKhz;
161 // freq/voltage managed by SMU
162 unsigned int fabricClockInKhz;
163 unsigned int socClockInKhz;
164 unsigned int dcfClockInKhz;
165 unsigned int uClockInKhz;
168 struct pp_smu_funcs_nv {
169 struct pp_smu pp_smu;
171 /* PPSMC_MSG_SetDisplayCount
172 * 0 triggers S0i2 optimization
174 enum pp_smu_status (*set_display_count)(struct pp_smu *pp, int count);
176 /* PPSMC_MSG_SetHardMinDcfclkByFreq
177 * fixed clock at requested freq, either from FCH bypass or DFS
179 enum pp_smu_status (*set_hard_min_dcfclk_by_freq)(struct pp_smu *pp, int Mhz);
181 /* PPSMC_MSG_SetMinDeepSleepDcfclk
182 * when DF is in cstate, dcf clock is further divided down
183 * to just above given frequency
185 enum pp_smu_status (*set_min_deep_sleep_dcfclk)(struct pp_smu *pp, int Mhz);
187 /* PPSMC_MSG_SetHardMinUclkByFreq
188 * UCLK will vary with DPM, but never below requested hard min
190 enum pp_smu_status (*set_hard_min_uclk_by_freq)(struct pp_smu *pp, int Mhz);
192 /* PPSMC_MSG_SetHardMinSocclkByFreq
193 * Needed for DWB support
195 enum pp_smu_status (*set_hard_min_socclk_by_freq)(struct pp_smu *pp, int Mhz);
198 enum pp_smu_status (*set_pme_wa_enable)(struct pp_smu *pp);
200 /* PPSMC_MSG_SetHardMinByFreq
201 * Needed to set ASIC voltages for clocks programmed by DAL
203 enum pp_smu_status (*set_voltage_by_freq)(struct pp_smu *pp,
204 enum pp_smu_nv_clock_id clock_id, int Mhz);
206 /* reader and writer WM's are sent together as part of one table*/
208 * PPSMC_MSG_SetDriverDramAddrHigh
209 * PPSMC_MSG_SetDriverDramAddrLow
210 * PPSMC_MSG_TransferTableDram2Smu
213 * reader fill clk = uclk
214 * reader drain clk = dcfclk
215 * writer fill clk = socclk
216 * writer drain clk = uclk
218 enum pp_smu_status (*set_wm_ranges)(struct pp_smu *pp,
219 struct pp_smu_wm_range_sets *ranges);
221 /* Not a single SMU message. This call should return maximum sustainable limit for all
222 * clocks that DC depends on. These will be used as basis for mode enumeration.
224 enum pp_smu_status (*get_maximum_sustainable_clocks)(struct pp_smu *pp,
225 struct pp_smu_nv_clock_table *max_clocks);
227 /* This call should return the discrete uclk DPM states available
229 enum pp_smu_status (*get_uclk_dpm_states)(struct pp_smu *pp,
230 unsigned int *clock_values_in_khz, unsigned int *num_states);
232 /* Not a single SMU message. This call informs PPLIB that display will not be able
233 * to perform pstate handshaking in its current state. Typically this handshake
234 * is used to perform uCLK switching, so disabling pstate disables uCLK switching.
236 * Note that when setting handshake to unsupported, the call is pre-emptive. That means
237 * DC will make the call BEFORE setting up the display state which would cause pstate
238 * request to go un-acked. Only when the call completes should such a state be applied to
241 enum pp_smu_status (*set_pstate_handshake_support)(struct pp_smu *pp,
242 bool pstate_handshake_supported);
245 #define PP_SMU_NUM_SOCCLK_DPM_LEVELS 8
246 #define PP_SMU_NUM_DCFCLK_DPM_LEVELS 8
247 #define PP_SMU_NUM_FCLK_DPM_LEVELS 4
248 #define PP_SMU_NUM_MEMCLK_DPM_LEVELS 4
249 #define PP_SMU_NUM_DCLK_DPM_LEVELS 8
250 #define PP_SMU_NUM_VCLK_DPM_LEVELS 8
251 #define PP_SMU_NUM_VPECLK_DPM_LEVELS 8
254 uint32_t Freq; // In MHz
255 uint32_t Vol; // Millivolts with 2 fractional bits
259 /* this is a copy of the structure defined in smuxx_driver_if.h*/
261 struct dpm_clock DcfClocks[PP_SMU_NUM_DCFCLK_DPM_LEVELS];
262 struct dpm_clock SocClocks[PP_SMU_NUM_SOCCLK_DPM_LEVELS];
263 struct dpm_clock FClocks[PP_SMU_NUM_FCLK_DPM_LEVELS];
264 struct dpm_clock MemClocks[PP_SMU_NUM_MEMCLK_DPM_LEVELS];
265 struct dpm_clock VClocks[PP_SMU_NUM_VCLK_DPM_LEVELS];
266 struct dpm_clock DClocks[PP_SMU_NUM_DCLK_DPM_LEVELS];
267 struct dpm_clock VPEClocks[PP_SMU_NUM_VPECLK_DPM_LEVELS];
271 struct pp_smu_funcs_rn {
272 struct pp_smu pp_smu;
275 * reader and writer WM's are sent together as part of one table
277 * PPSMC_MSG_SetDriverDramAddrHigh
278 * PPSMC_MSG_SetDriverDramAddrLow
279 * PPSMC_MSG_TransferTableDram2Smu
282 enum pp_smu_status (*set_wm_ranges)(struct pp_smu *pp,
283 struct pp_smu_wm_range_sets *ranges);
285 enum pp_smu_status (*get_dpm_clock_table) (struct pp_smu *pp,
286 struct dpm_clocks *clock_table);
289 struct pp_smu_funcs_vgh {
290 struct pp_smu pp_smu;
293 * reader and writer WM's are sent together as part of one table
295 * PPSMC_MSG_SetDriverDramAddrHigh
296 * PPSMC_MSG_SetDriverDramAddrLow
297 * PPSMC_MSG_TransferTableDram2Smu
300 // TODO: Check whether this is moved to DAL, and remove as needed
301 enum pp_smu_status (*set_wm_ranges)(struct pp_smu *pp,
302 struct pp_smu_wm_range_sets *ranges);
304 // TODO: Check whether this is moved to DAL, and remove as needed
305 enum pp_smu_status (*get_dpm_clock_table) (struct pp_smu *pp,
306 struct dpm_clocks *clock_table);
308 enum pp_smu_status (*notify_smu_timeout) (struct pp_smu *pp);
311 struct pp_smu_funcs {
314 struct pp_smu_funcs_rv rv_funcs;
315 struct pp_smu_funcs_nv nv_funcs;
316 struct pp_smu_funcs_rn rn_funcs;
317 struct pp_smu_funcs_vgh vgh_funcs;
321 #endif /* DM_PP_SMU_IF__H */