xref: /openbmc/linux/drivers/gpu/drm/radeon/si_dpm.h (revision 842ed298)
1 /*
2  * Copyright 2012 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 __SI_DPM_H__
24 #define __SI_DPM_H__
25 
26 #include "ni_dpm.h"
27 #include "sislands_smc.h"
28 
29 enum si_cac_config_reg_type
30 {
31 	SISLANDS_CACCONFIG_MMR = 0,
32 	SISLANDS_CACCONFIG_CGIND,
33 	SISLANDS_CACCONFIG_MAX
34 };
35 
36 struct si_cac_config_reg
37 {
38 	u32 offset;
39 	u32 mask;
40 	u32 shift;
41 	u32 value;
42 	enum si_cac_config_reg_type type;
43 };
44 
45 struct si_powertune_data
46 {
47 	u32 cac_window;
48 	u32 l2_lta_window_size_default;
49 	u8 lts_truncate_default;
50 	u8 shift_n_default;
51 	u8 operating_temp;
52 	struct ni_leakage_coeffients leakage_coefficients;
53 	u32 fixed_kt;
54 	u32 lkge_lut_v0_percent;
55 	u8 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
56 	bool enable_powertune_by_default;
57 };
58 
59 struct si_dyn_powertune_data
60 {
61 	u32 cac_leakage;
62 	s32 leakage_minimum_temperature;
63 	u32 wintime;
64 	u32 l2_lta_window_size;
65 	u8 lts_truncate;
66 	u8 shift_n;
67 	u8 dc_pwr_value;
68 	bool disable_uvd_powertune;
69 };
70 
71 struct si_dte_data
72 {
73 	u32 tau[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
74 	u32 r[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
75 	u32 k;
76 	u32 t0;
77 	u32 max_t;
78 	u8 window_size;
79 	u8 temp_select;
80 	u8 dte_mode;
81 	u8 tdep_count;
82 	u8 t_limits[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
83 	u32 tdep_tau[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
84 	u32 tdep_r[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
85 	u32 t_threshold;
86 	bool enable_dte_by_default;
87 };
88 
89 struct si_clock_registers {
90 	u32 cg_spll_func_cntl;
91 	u32 cg_spll_func_cntl_2;
92 	u32 cg_spll_func_cntl_3;
93 	u32 cg_spll_func_cntl_4;
94 	u32 cg_spll_spread_spectrum;
95 	u32 cg_spll_spread_spectrum_2;
96 	u32 dll_cntl;
97 	u32 mclk_pwrmgt_cntl;
98 	u32 mpll_ad_func_cntl;
99 	u32 mpll_dq_func_cntl;
100 	u32 mpll_func_cntl;
101 	u32 mpll_func_cntl_1;
102 	u32 mpll_func_cntl_2;
103 	u32 mpll_ss1;
104 	u32 mpll_ss2;
105 };
106 
107 struct si_mc_reg_entry {
108 	u32 mclk_max;
109 	u32 mc_data[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
110 };
111 
112 struct si_mc_reg_table {
113 	u8 last;
114 	u8 num_entries;
115 	u16 valid_flag;
116 	struct si_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
117 	SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
118 };
119 
120 #define SISLANDS_MCREGISTERTABLE_INITIAL_SLOT               0
121 #define SISLANDS_MCREGISTERTABLE_ACPI_SLOT                  1
122 #define SISLANDS_MCREGISTERTABLE_ULV_SLOT                   2
123 #define SISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT     3
124 
125 struct si_leakage_voltage_entry
126 {
127 	u16 voltage;
128 	u16 leakage_index;
129 };
130 
131 #define SISLANDS_LEAKAGE_INDEX0     0xff01
132 #define SISLANDS_MAX_LEAKAGE_COUNT  4
133 
134 struct si_leakage_voltage
135 {
136 	u16 count;
137 	struct si_leakage_voltage_entry entries[SISLANDS_MAX_LEAKAGE_COUNT];
138 };
139 
140 #define SISLANDS_MAX_HARDWARE_POWERLEVELS 5
141 
142 struct si_ulv_param {
143 	bool supported;
144 	u32 cg_ulv_control;
145 	u32 cg_ulv_parameter;
146 	u32 volt_change_delay;
147 	struct rv7xx_pl pl;
148 	bool one_pcie_lane_in_ulv;
149 };
150 
151 struct si_power_info {
152 	/* must be first! */
153 	struct ni_power_info ni;
154 	struct si_clock_registers clock_registers;
155 	struct si_mc_reg_table mc_reg_table;
156 	struct atom_voltage_table mvdd_voltage_table;
157 	struct atom_voltage_table vddc_phase_shed_table;
158 	struct si_leakage_voltage leakage_voltage;
159 	u16 mvdd_bootup_value;
160 	struct si_ulv_param ulv;
161 	u32 max_cu;
162 	/* pcie gen */
163 	enum radeon_pcie_gen force_pcie_gen;
164 	enum radeon_pcie_gen boot_pcie_gen;
165 	enum radeon_pcie_gen acpi_pcie_gen;
166 	u32 sys_pcie_mask;
167 	/* flags */
168 	bool enable_dte;
169 	bool enable_ppm;
170 	bool vddc_phase_shed_control;
171 	bool pspp_notify_required;
172 	bool sclk_deep_sleep_above_low;
173 	bool voltage_control_svi2;
174 	bool vddci_control_svi2;
175 	/* smc offsets */
176 	u32 sram_end;
177 	u32 state_table_start;
178 	u32 soft_regs_start;
179 	u32 mc_reg_table_start;
180 	u32 arb_table_start;
181 	u32 cac_table_start;
182 	u32 dte_table_start;
183 	u32 spll_table_start;
184 	u32 papm_cfg_table_start;
185 	u32 fan_table_start;
186 	/* CAC stuff */
187 	const struct si_cac_config_reg *cac_weights;
188 	const struct si_cac_config_reg *lcac_config;
189 	const struct si_cac_config_reg *cac_override;
190 	const struct si_powertune_data *powertune_data;
191 	struct si_dyn_powertune_data dyn_powertune_data;
192 	/* DTE stuff */
193 	struct si_dte_data dte_data;
194 	/* scratch structs */
195 	SMC_SIslands_MCRegisters smc_mc_reg_table;
196 	SISLANDS_SMC_STATETABLE smc_statetable;
197 	PP_SIslands_PAPMParameters papm_parm;
198 	/* SVI2 */
199 	u8 svd_gpio_id;
200 	u8 svc_gpio_id;
201 	/* fan control */
202 	bool fan_ctrl_is_in_default_mode;
203 	u32 t_min;
204 	u32 fan_ctrl_default_mode;
205 	bool fan_is_controlled_by_smc;
206 };
207 
208 #define SISLANDS_INITIAL_STATE_ARB_INDEX    0
209 #define SISLANDS_ACPI_STATE_ARB_INDEX       1
210 #define SISLANDS_ULV_STATE_ARB_INDEX        2
211 #define SISLANDS_DRIVER_STATE_ARB_INDEX     3
212 
213 #define SISLANDS_DPM2_MAX_PULSE_SKIP        256
214 
215 #define SISLANDS_DPM2_NEAR_TDP_DEC          10
216 #define SISLANDS_DPM2_ABOVE_SAFE_INC        5
217 #define SISLANDS_DPM2_BELOW_SAFE_INC        20
218 
219 #define SISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
220 
221 #define SISLANDS_DPM2_MAXPS_PERCENT_H                   99
222 #define SISLANDS_DPM2_MAXPS_PERCENT_M                   99
223 
224 #define SISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
225 #define SISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
226 #define SISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
227 #define SISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
228 #define SISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
229 
230 #define SISLANDS_DPM2_PWREFFICIENCYRATIO_MARGIN         10
231 
232 #define SISLANDS_VRC_DFLT                               0xC000B3
233 #define SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT             1687
234 #define SISLANDS_CGULVPARAMETER_DFLT                    0x00040035
235 #define SISLANDS_CGULVCONTROL_DFLT                      0x1f007550
236 
237 u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
238 u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode);
239 void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
240 					      u32 max_voltage_steps,
241 					      struct atom_voltage_table *voltage_table);
242 
243 #endif
244