xref: /netbsd/sys/external/bsd/drm2/dist/drm/radeon/ni_dpm.h (revision 677dec6e)
1 /*	$NetBSD: ni_dpm.h,v 1.3 2021/12/18 23:45:42 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2012 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 __NI_DPM_H__
26 #define __NI_DPM_H__
27 
28 #include "cypress_dpm.h"
29 #include "btc_dpm.h"
30 #include "nislands_smc.h"
31 
32 struct ni_clock_registers {
33 	u32 cg_spll_func_cntl;
34 	u32 cg_spll_func_cntl_2;
35 	u32 cg_spll_func_cntl_3;
36 	u32 cg_spll_func_cntl_4;
37 	u32 cg_spll_spread_spectrum;
38 	u32 cg_spll_spread_spectrum_2;
39 	u32 mclk_pwrmgt_cntl;
40 	u32 dll_cntl;
41 	u32 mpll_ad_func_cntl;
42 	u32 mpll_ad_func_cntl_2;
43 	u32 mpll_dq_func_cntl;
44 	u32 mpll_dq_func_cntl_2;
45 	u32 mpll_ss1;
46 	u32 mpll_ss2;
47 };
48 
49 struct ni_mc_reg_entry {
50 	u32 mclk_max;
51 	u32 mc_data[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
52 };
53 
54 struct ni_mc_reg_table {
55 	u8 last;
56 	u8 num_entries;
57 	u16 valid_flag;
58 	struct ni_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
59 	SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
60 };
61 
62 #define NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT 2
63 
64 enum ni_dc_cac_level
65 {
66 	NISLANDS_DCCAC_LEVEL_0 = 0,
67 	NISLANDS_DCCAC_LEVEL_1,
68 	NISLANDS_DCCAC_LEVEL_2,
69 	NISLANDS_DCCAC_LEVEL_3,
70 	NISLANDS_DCCAC_LEVEL_4,
71 	NISLANDS_DCCAC_LEVEL_5,
72 	NISLANDS_DCCAC_LEVEL_6,
73 	NISLANDS_DCCAC_LEVEL_7,
74 	NISLANDS_DCCAC_MAX_LEVELS
75 };
76 
77 struct ni_leakage_coeffients
78 {
79 	u32 at;
80 	u32 bt;
81 	u32 av;
82 	u32 bv;
83 	s32 t_slope;
84 	s32 t_intercept;
85 	u32 t_ref;
86 };
87 
88 struct ni_cac_data
89 {
90 	struct ni_leakage_coeffients leakage_coefficients;
91 	u32 i_leakage;
92 	s32 leakage_minimum_temperature;
93 	u32 pwr_const;
94 	u32 dc_cac_value;
95 	u32 bif_cac_value;
96 	u32 lkge_pwr;
97 	u8 mc_wr_weight;
98 	u8 mc_rd_weight;
99 	u8 allow_ovrflw;
100 	u8 num_win_tdp;
101 	u8 l2num_win_tdp;
102 	u8 lts_truncate_n;
103 };
104 
105 struct ni_cac_weights
106 {
107 	u32 weight_tcp_sig0;
108 	u32 weight_tcp_sig1;
109 	u32 weight_ta_sig;
110 	u32 weight_tcc_en0;
111 	u32 weight_tcc_en1;
112 	u32 weight_tcc_en2;
113 	u32 weight_cb_en0;
114 	u32 weight_cb_en1;
115 	u32 weight_cb_en2;
116 	u32 weight_cb_en3;
117 	u32 weight_db_sig0;
118 	u32 weight_db_sig1;
119 	u32 weight_db_sig2;
120 	u32 weight_db_sig3;
121 	u32 weight_sxm_sig0;
122 	u32 weight_sxm_sig1;
123 	u32 weight_sxm_sig2;
124 	u32 weight_sxs_sig0;
125 	u32 weight_sxs_sig1;
126 	u32 weight_xbr_0;
127 	u32 weight_xbr_1;
128 	u32 weight_xbr_2;
129 	u32 weight_spi_sig0;
130 	u32 weight_spi_sig1;
131 	u32 weight_spi_sig2;
132 	u32 weight_spi_sig3;
133 	u32 weight_spi_sig4;
134 	u32 weight_spi_sig5;
135 	u32 weight_lds_sig0;
136 	u32 weight_lds_sig1;
137 	u32 weight_sc;
138 	u32 weight_bif;
139 	u32 weight_cp;
140 	u32 weight_pa_sig0;
141 	u32 weight_pa_sig1;
142 	u32 weight_vgt_sig0;
143 	u32 weight_vgt_sig1;
144 	u32 weight_vgt_sig2;
145 	u32 weight_dc_sig0;
146 	u32 weight_dc_sig1;
147 	u32 weight_dc_sig2;
148 	u32 weight_dc_sig3;
149 	u32 weight_uvd_sig0;
150 	u32 weight_uvd_sig1;
151 	u32 weight_spare0;
152 	u32 weight_spare1;
153 	u32 weight_sq_vsp;
154 	u32 weight_sq_vsp0;
155 	u32 weight_sq_gpr;
156 	u32 ovr_mode_spare_0;
157 	u32 ovr_val_spare_0;
158 	u32 ovr_mode_spare_1;
159 	u32 ovr_val_spare_1;
160 	u32 vsp;
161 	u32 vsp0;
162 	u32 gpr;
163 	u8 mc_read_weight;
164 	u8 mc_write_weight;
165 	u32 tid_cnt;
166 	u32 tid_unit;
167 	u32 l2_lta_window_size;
168 	u32 lts_truncate;
169 	u32 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
170 	u32 pcie_cac[SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES];
171 	bool enable_power_containment_by_default;
172 };
173 
174 struct ni_ps {
175 	u16 performance_level_count;
176 	bool dc_compatible;
177 	struct rv7xx_pl performance_levels[NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
178 };
179 
180 struct ni_power_info {
181 	/* must be first! */
182 	struct evergreen_power_info eg;
183 	struct ni_clock_registers clock_registers;
184 	struct ni_mc_reg_table mc_reg_table;
185 	u32 mclk_rtt_mode_threshold;
186 	/* flags */
187 	bool use_power_boost_limit;
188 	bool support_cac_long_term_average;
189 	bool cac_enabled;
190 	bool cac_configuration_required;
191 	bool driver_calculate_cac_leakage;
192 	bool pc_enabled;
193 	bool enable_power_containment;
194 	bool enable_cac;
195 	bool enable_sq_ramping;
196 	/* smc offsets */
197 	u16 arb_table_start;
198 	u16 fan_table_start;
199 	u16 cac_table_start;
200 	u16 spll_table_start;
201 	/* CAC stuff */
202 	struct ni_cac_data cac_data;
203 	u32 dc_cac_table[NISLANDS_DCCAC_MAX_LEVELS];
204 	const struct ni_cac_weights *cac_weights;
205 	u8 lta_window_size;
206 	u8 lts_truncate;
207 	struct ni_ps current_ps;
208 	struct ni_ps requested_ps;
209 	/* scratch structs */
210 	SMC_NIslands_MCRegisters smc_mc_reg_table;
211 	NISLANDS_SMC_STATETABLE smc_statetable;
212 };
213 
214 #define NISLANDS_INITIAL_STATE_ARB_INDEX    0
215 #define NISLANDS_ACPI_STATE_ARB_INDEX       1
216 #define NISLANDS_ULV_STATE_ARB_INDEX        2
217 #define NISLANDS_DRIVER_STATE_ARB_INDEX     3
218 
219 #define NISLANDS_DPM2_MAX_PULSE_SKIP        256
220 
221 #define NISLANDS_DPM2_NEAR_TDP_DEC          10
222 #define NISLANDS_DPM2_ABOVE_SAFE_INC        5
223 #define NISLANDS_DPM2_BELOW_SAFE_INC        20
224 
225 #define NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
226 
227 #define NISLANDS_DPM2_MAXPS_PERCENT_H                   90
228 #define NISLANDS_DPM2_MAXPS_PERCENT_M                   0
229 
230 #define NISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
231 #define NISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
232 #define NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
233 #define NISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
234 #define NISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
235 
236 int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
237 				u32 arb_freq_src, u32 arb_freq_dest);
238 void ni_update_current_ps(struct radeon_device *rdev,
239 			  struct radeon_ps *rps);
240 void ni_update_requested_ps(struct radeon_device *rdev,
241 			    struct radeon_ps *rps);
242 
243 void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
244 					   struct radeon_ps *new_ps,
245 					   struct radeon_ps *old_ps);
246 void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
247 					  struct radeon_ps *new_ps,
248 					  struct radeon_ps *old_ps);
249 
250 bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
251 
252 #endif
253