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      1 /*	$NetBSD: rv770_dpm.h,v 1.3 2021/12/18 23:45:43 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2011 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 #ifndef __RV770_DPM_H__
     26 #define __RV770_DPM_H__
     27 
     28 #include "radeon.h"
     29 #include "rv770_smc.h"
     30 
     31 struct rv770_clock_registers {
     32 	u32 cg_spll_func_cntl;
     33 	u32 cg_spll_func_cntl_2;
     34 	u32 cg_spll_func_cntl_3;
     35 	u32 cg_spll_spread_spectrum;
     36 	u32 cg_spll_spread_spectrum_2;
     37 	u32 mpll_ad_func_cntl;
     38 	u32 mpll_ad_func_cntl_2;
     39 	u32 mpll_dq_func_cntl;
     40 	u32 mpll_dq_func_cntl_2;
     41 	u32 mclk_pwrmgt_cntl;
     42 	u32 dll_cntl;
     43 	u32 mpll_ss1;
     44 	u32 mpll_ss2;
     45 };
     46 
     47 struct rv730_clock_registers {
     48 	u32 cg_spll_func_cntl;
     49 	u32 cg_spll_func_cntl_2;
     50 	u32 cg_spll_func_cntl_3;
     51 	u32 cg_spll_spread_spectrum;
     52 	u32 cg_spll_spread_spectrum_2;
     53 	u32 mclk_pwrmgt_cntl;
     54 	u32 dll_cntl;
     55 	u32 mpll_func_cntl;
     56 	u32 mpll_func_cntl2;
     57 	u32 mpll_func_cntl3;
     58 	u32 mpll_ss;
     59 	u32 mpll_ss2;
     60 };
     61 
     62 union r7xx_clock_registers {
     63 	struct rv770_clock_registers rv770;
     64 	struct rv730_clock_registers rv730;
     65 };
     66 
     67 struct vddc_table_entry {
     68 	u16 vddc;
     69 	u8 vddc_index;
     70 	u8 high_smio;
     71 	u32 low_smio;
     72 };
     73 
     74 #define MAX_NO_OF_MVDD_VALUES 2
     75 #define MAX_NO_VREG_STEPS 32
     76 
     77 struct rv7xx_power_info {
     78 	/* flags */
     79 	bool mem_gddr5;
     80 	bool pcie_gen2;
     81 	bool dynamic_pcie_gen2;
     82 	bool acpi_pcie_gen2;
     83 	bool boot_in_gen2;
     84 	bool voltage_control; /* vddc */
     85 	bool mvdd_control;
     86 	bool sclk_ss;
     87 	bool mclk_ss;
     88 	bool dynamic_ss;
     89 	bool gfx_clock_gating;
     90 	bool mg_clock_gating;
     91 	bool mgcgtssm;
     92 	bool power_gating;
     93 	bool thermal_protection;
     94 	bool display_gap;
     95 	bool dcodt;
     96 	bool ulps;
     97 	/* registers */
     98 	union r7xx_clock_registers clk_regs;
     99 	u32 s0_vid_lower_smio_cntl;
    100 	/* voltage */
    101 	u32 vddc_mask_low;
    102 	u32 mvdd_mask_low;
    103 	u32 mvdd_split_frequency;
    104 	u32 mvdd_low_smio[MAX_NO_OF_MVDD_VALUES];
    105 	u16 max_vddc;
    106 	u16 max_vddc_in_table;
    107 	u16 min_vddc_in_table;
    108 	struct vddc_table_entry vddc_table[MAX_NO_VREG_STEPS];
    109 	u8 valid_vddc_entries;
    110 	/* dc odt */
    111 	u32 mclk_odt_threshold;
    112 	u8 odt_value_0[2];
    113 	u8 odt_value_1[2];
    114 	/* stored values */
    115 	u32 boot_sclk;
    116 	u16 acpi_vddc;
    117 	u32 ref_div;
    118 	u32 active_auto_throttle_sources;
    119 	u32 mclk_stutter_mode_threshold;
    120 	u32 mclk_strobe_mode_threshold;
    121 	u32 mclk_edc_enable_threshold;
    122 	u32 bsp;
    123 	u32 bsu;
    124 	u32 pbsp;
    125 	u32 pbsu;
    126 	u32 dsp;
    127 	u32 psp;
    128 	u32 asi;
    129 	u32 pasi;
    130 	u32 vrc;
    131 	u32 restricted_levels;
    132 	u32 rlp;
    133 	u32 rmp;
    134 	u32 lhp;
    135 	u32 lmp;
    136 	/* smc offsets */
    137 	u16 state_table_start;
    138 	u16 soft_regs_start;
    139 	u16 sram_end;
    140 	/* scratch structs */
    141 	RV770_SMC_STATETABLE smc_statetable;
    142 };
    143 
    144 struct rv7xx_pl {
    145 	u32 sclk;
    146 	u32 mclk;
    147 	u16 vddc;
    148 	u16 vddci; /* eg+ only */
    149 	u32 flags;
    150 	enum radeon_pcie_gen pcie_gen; /* si+ only */
    151 };
    152 
    153 struct rv7xx_ps {
    154 	struct rv7xx_pl high;
    155 	struct rv7xx_pl medium;
    156 	struct rv7xx_pl low;
    157 	bool dc_compatible;
    158 };
    159 
    160 #define RV770_RLP_DFLT                                10
    161 #define RV770_RMP_DFLT                                25
    162 #define RV770_LHP_DFLT                                25
    163 #define RV770_LMP_DFLT                                10
    164 #define RV770_VRC_DFLT                                0x003f
    165 #define RV770_ASI_DFLT                                1000
    166 #define RV770_HASI_DFLT                               200000
    167 #define RV770_MGCGTTLOCAL0_DFLT                       0x00100000
    168 #define RV7XX_MGCGTTLOCAL0_DFLT                       0
    169 #define RV770_MGCGTTLOCAL1_DFLT                       0xFFFF0000
    170 #define RV770_MGCGCGTSSMCTRL_DFLT                     0x55940000
    171 
    172 #define MVDD_LOW_INDEX  0
    173 #define MVDD_HIGH_INDEX 1
    174 
    175 #define MVDD_LOW_VALUE  0
    176 #define MVDD_HIGH_VALUE 0xffff
    177 
    178 #define RV770_DEFAULT_VCLK_FREQ  53300 /* 10 khz */
    179 #define RV770_DEFAULT_DCLK_FREQ  40000 /* 10 khz */
    180 
    181 /* rv730/rv710 */
    182 int rv730_populate_sclk_value(struct radeon_device *rdev,
    183 			      u32 engine_clock,
    184 			      RV770_SMC_SCLK_VALUE *sclk);
    185 int rv730_populate_mclk_value(struct radeon_device *rdev,
    186 			      u32 engine_clock, u32 memory_clock,
    187 			      LPRV7XX_SMC_MCLK_VALUE mclk);
    188 void rv730_read_clock_registers(struct radeon_device *rdev);
    189 int rv730_populate_smc_acpi_state(struct radeon_device *rdev,
    190 				  RV770_SMC_STATETABLE *table);
    191 int rv730_populate_smc_initial_state(struct radeon_device *rdev,
    192 				     struct radeon_ps *radeon_initial_state,
    193 				     RV770_SMC_STATETABLE *table);
    194 void rv730_program_memory_timing_parameters(struct radeon_device *rdev,
    195 					    struct radeon_ps *radeon_state);
    196 void rv730_power_gating_enable(struct radeon_device *rdev,
    197 			       bool enable);
    198 void rv730_start_dpm(struct radeon_device *rdev);
    199 void rv730_stop_dpm(struct radeon_device *rdev);
    200 void rv730_program_dcodt(struct radeon_device *rdev, bool use_dcodt);
    201 void rv730_get_odt_values(struct radeon_device *rdev);
    202 
    203 /* rv740 */
    204 int rv740_populate_sclk_value(struct radeon_device *rdev, u32 engine_clock,
    205 			      RV770_SMC_SCLK_VALUE *sclk);
    206 int rv740_populate_mclk_value(struct radeon_device *rdev,
    207 			      u32 engine_clock, u32 memory_clock,
    208 			      RV7XX_SMC_MCLK_VALUE *mclk);
    209 void rv740_read_clock_registers(struct radeon_device *rdev);
    210 int rv740_populate_smc_acpi_state(struct radeon_device *rdev,
    211 				  RV770_SMC_STATETABLE *table);
    212 void rv740_enable_mclk_spread_spectrum(struct radeon_device *rdev,
    213 				       bool enable);
    214 u8 rv740_get_mclk_frequency_ratio(u32 memory_clock);
    215 u32 rv740_get_dll_speed(bool is_gddr5, u32 memory_clock);
    216 u32 rv740_get_decoded_reference_divider(u32 encoded_ref);
    217 
    218 /* rv770 */
    219 u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
    220 int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
    221 			      RV770_SMC_VOLTAGE_VALUE *voltage);
    222 int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
    223 			      RV770_SMC_VOLTAGE_VALUE *voltage);
    224 u8 rv770_get_seq_value(struct radeon_device *rdev,
    225 		       struct rv7xx_pl *pl);
    226 int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
    227 				      RV770_SMC_VOLTAGE_VALUE *voltage);
    228 u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
    229 					u32 engine_clock);
    230 void rv770_program_response_times(struct radeon_device *rdev);
    231 int rv770_populate_smc_sp(struct radeon_device *rdev,
    232 			  struct radeon_ps *radeon_state,
    233 			  RV770_SMC_SWSTATE *smc_state);
    234 int rv770_populate_smc_t(struct radeon_device *rdev,
    235 			 struct radeon_ps *radeon_state,
    236 			 RV770_SMC_SWSTATE *smc_state);
    237 void rv770_read_voltage_smio_registers(struct radeon_device *rdev);
    238 void rv770_get_memory_type(struct radeon_device *rdev);
    239 void r7xx_start_smc(struct radeon_device *rdev);
    240 u8 rv770_get_memory_module_index(struct radeon_device *rdev);
    241 void rv770_get_max_vddc(struct radeon_device *rdev);
    242 void rv770_get_pcie_gen2_status(struct radeon_device *rdev);
    243 void rv770_enable_acpi_pm(struct radeon_device *rdev);
    244 void rv770_restore_cgcg(struct radeon_device *rdev);
    245 bool rv770_dpm_enabled(struct radeon_device *rdev);
    246 void rv770_enable_voltage_control(struct radeon_device *rdev,
    247 				  bool enable);
    248 void rv770_enable_backbias(struct radeon_device *rdev,
    249 			   bool enable);
    250 void rv770_enable_thermal_protection(struct radeon_device *rdev,
    251 				     bool enable);
    252 void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
    253 				       enum radeon_dpm_auto_throttle_src source,
    254 				       bool enable);
    255 void rv770_setup_bsp(struct radeon_device *rdev);
    256 void rv770_program_git(struct radeon_device *rdev);
    257 void rv770_program_tp(struct radeon_device *rdev);
    258 void rv770_program_tpp(struct radeon_device *rdev);
    259 void rv770_program_sstp(struct radeon_device *rdev);
    260 void rv770_program_engine_speed_parameters(struct radeon_device *rdev);
    261 void rv770_program_vc(struct radeon_device *rdev);
    262 void rv770_clear_vc(struct radeon_device *rdev);
    263 int rv770_upload_firmware(struct radeon_device *rdev);
    264 void rv770_stop_dpm(struct radeon_device *rdev);
    265 void r7xx_stop_smc(struct radeon_device *rdev);
    266 void rv770_reset_smio_status(struct radeon_device *rdev);
    267 int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev);
    268 int rv770_dpm_force_performance_level(struct radeon_device *rdev,
    269 				      enum radeon_dpm_forced_level level);
    270 int rv770_halt_smc(struct radeon_device *rdev);
    271 int rv770_resume_smc(struct radeon_device *rdev);
    272 int rv770_set_sw_state(struct radeon_device *rdev);
    273 int rv770_set_boot_state(struct radeon_device *rdev);
    274 int rv7xx_parse_power_table(struct radeon_device *rdev);
    275 void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
    276 					      struct radeon_ps *new_ps,
    277 					      struct radeon_ps *old_ps);
    278 void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
    279 					     struct radeon_ps *new_ps,
    280 					     struct radeon_ps *old_ps);
    281 void rv770_get_engine_memory_ss(struct radeon_device *rdev);
    282 
    283 /* smc */
    284 int rv770_write_smc_soft_register(struct radeon_device *rdev,
    285 				  u16 reg_offset, u32 value);
    286 
    287 #endif
    288