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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.
49 * interim extra handle for backwards compatibility
50 * as some existing functionality not yet implemented
56 struct pp_smu_wm_set_range {
58 uint32_t min_fill_clk_khz;
59 uint32_t max_fill_clk_khz;
60 uint32_t min_drain_clk_khz;
61 uint32_t max_drain_clk_khz;
64 #define MAX_WATERMARK_SETS 4
66 struct pp_smu_wm_range_sets {
67 unsigned int num_reader_wm_sets;
68 struct pp_smu_wm_set_range reader_wm_sets[MAX_WATERMARK_SETS];
70 unsigned int num_writer_wm_sets;
71 struct pp_smu_wm_set_range writer_wm_sets[MAX_WATERMARK_SETS];
74 struct pp_smu_display_requirement_rv {
75 /* PPSMC_MSG_SetDisplayCount: count
76 * 0 triggers S0i2 optimization
78 unsigned int display_count;
80 /* PPSMC_MSG_SetHardMinFclkByFreq: khz
81 * FCLK will vary with DPM, but never below requested hard min
83 unsigned int hard_min_fclk_khz;
85 /* PPSMC_MSG_SetHardMinDcefclkByFreq: khz
86 * fixed clock at requested freq, either from FCH bypass or DFS
88 unsigned int hard_min_dcefclk_khz;
90 /* PPSMC_MSG_SetMinDeepSleepDcefclk: mhz
91 * when DF is in cstate, dcf clock is further divided down
92 * to just above given frequency
94 unsigned int min_deep_sleep_dcefclk_mhz;
97 struct pp_smu_funcs_rv {
100 /* PPSMC_MSG_SetDisplayCount
101 * 0 triggers S0i2 optimization
103 void (*set_display_count)(struct pp_smu *pp, int count);
105 /* which SMU message? are reader and writer WM separate SMU msg? */
106 void (*set_wm_ranges)(struct pp_smu *pp,
107 struct pp_smu_wm_range_sets *ranges);
109 /* PPSMC_MSG_SetHardMinDcfclkByFreq
110 * fixed clock at requested freq, either from FCH bypass or DFS
112 void (*set_hard_min_dcfclk_by_freq)(struct pp_smu *pp, int khz);
114 /* PPSMC_MSG_SetMinDeepSleepDcfclk
115 * when DF is in cstate, dcf clock is further divided down
116 * to just above given frequency
118 void (*set_min_deep_sleep_dcfclk)(struct pp_smu *pp, int mhz);
120 /* PPSMC_MSG_SetHardMinFclkByFreq
121 * FCLK will vary with DPM, but never below requested hard min
123 void (*set_hard_min_fclk_by_freq)(struct pp_smu *pp, int khz);
125 /* PPSMC_MSG_SetHardMinSocclkByFreq
126 * Needed for DWB support
128 void (*set_hard_min_socclk_by_freq)(struct pp_smu *pp, int khz);
131 void (*set_pme_wa_enable)(struct pp_smu *pp);
134 * Legacy functions. Used for backwards comp. with existing
137 void (*set_display_requirement)(struct pp_smu *pp,
138 struct pp_smu_display_requirement_rv *req);
141 struct pp_smu_funcs {
144 struct pp_smu_funcs_rv rv_funcs;
148 #endif /* DM_PP_SMU_IF__H */