xref: /openbmc/linux/drivers/gpu/drm/radeon/ni_dpm.h (revision 4f3db074)
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 __NI_DPM_H__
24 #define __NI_DPM_H__
25 
26 #include "cypress_dpm.h"
27 #include "btc_dpm.h"
28 #include "nislands_smc.h"
29 
30 struct ni_clock_registers {
31 	u32 cg_spll_func_cntl;
32 	u32 cg_spll_func_cntl_2;
33 	u32 cg_spll_func_cntl_3;
34 	u32 cg_spll_func_cntl_4;
35 	u32 cg_spll_spread_spectrum;
36 	u32 cg_spll_spread_spectrum_2;
37 	u32 mclk_pwrmgt_cntl;
38 	u32 dll_cntl;
39 	u32 mpll_ad_func_cntl;
40 	u32 mpll_ad_func_cntl_2;
41 	u32 mpll_dq_func_cntl;
42 	u32 mpll_dq_func_cntl_2;
43 	u32 mpll_ss1;
44 	u32 mpll_ss2;
45 };
46 
47 struct ni_mc_reg_entry {
48 	u32 mclk_max;
49 	u32 mc_data[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
50 };
51 
52 struct ni_mc_reg_table {
53 	u8 last;
54 	u8 num_entries;
55 	u16 valid_flag;
56 	struct ni_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
57 	SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
58 };
59 
60 #define NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT 2
61 
62 enum ni_dc_cac_level
63 {
64 	NISLANDS_DCCAC_LEVEL_0 = 0,
65 	NISLANDS_DCCAC_LEVEL_1,
66 	NISLANDS_DCCAC_LEVEL_2,
67 	NISLANDS_DCCAC_LEVEL_3,
68 	NISLANDS_DCCAC_LEVEL_4,
69 	NISLANDS_DCCAC_LEVEL_5,
70 	NISLANDS_DCCAC_LEVEL_6,
71 	NISLANDS_DCCAC_LEVEL_7,
72 	NISLANDS_DCCAC_MAX_LEVELS
73 };
74 
75 struct ni_leakage_coeffients
76 {
77 	u32 at;
78 	u32 bt;
79 	u32 av;
80 	u32 bv;
81 	s32 t_slope;
82 	s32 t_intercept;
83 	u32 t_ref;
84 };
85 
86 struct ni_cac_data
87 {
88 	struct ni_leakage_coeffients leakage_coefficients;
89 	u32 i_leakage;
90 	s32 leakage_minimum_temperature;
91 	u32 pwr_const;
92 	u32 dc_cac_value;
93 	u32 bif_cac_value;
94 	u32 lkge_pwr;
95 	u8 mc_wr_weight;
96 	u8 mc_rd_weight;
97 	u8 allow_ovrflw;
98 	u8 num_win_tdp;
99 	u8 l2num_win_tdp;
100 	u8 lts_truncate_n;
101 };
102 
103 struct ni_cac_weights
104 {
105 	u32 weight_tcp_sig0;
106 	u32 weight_tcp_sig1;
107 	u32 weight_ta_sig;
108 	u32 weight_tcc_en0;
109 	u32 weight_tcc_en1;
110 	u32 weight_tcc_en2;
111 	u32 weight_cb_en0;
112 	u32 weight_cb_en1;
113 	u32 weight_cb_en2;
114 	u32 weight_cb_en3;
115 	u32 weight_db_sig0;
116 	u32 weight_db_sig1;
117 	u32 weight_db_sig2;
118 	u32 weight_db_sig3;
119 	u32 weight_sxm_sig0;
120 	u32 weight_sxm_sig1;
121 	u32 weight_sxm_sig2;
122 	u32 weight_sxs_sig0;
123 	u32 weight_sxs_sig1;
124 	u32 weight_xbr_0;
125 	u32 weight_xbr_1;
126 	u32 weight_xbr_2;
127 	u32 weight_spi_sig0;
128 	u32 weight_spi_sig1;
129 	u32 weight_spi_sig2;
130 	u32 weight_spi_sig3;
131 	u32 weight_spi_sig4;
132 	u32 weight_spi_sig5;
133 	u32 weight_lds_sig0;
134 	u32 weight_lds_sig1;
135 	u32 weight_sc;
136 	u32 weight_bif;
137 	u32 weight_cp;
138 	u32 weight_pa_sig0;
139 	u32 weight_pa_sig1;
140 	u32 weight_vgt_sig0;
141 	u32 weight_vgt_sig1;
142 	u32 weight_vgt_sig2;
143 	u32 weight_dc_sig0;
144 	u32 weight_dc_sig1;
145 	u32 weight_dc_sig2;
146 	u32 weight_dc_sig3;
147 	u32 weight_uvd_sig0;
148 	u32 weight_uvd_sig1;
149 	u32 weight_spare0;
150 	u32 weight_spare1;
151 	u32 weight_sq_vsp;
152 	u32 weight_sq_vsp0;
153 	u32 weight_sq_gpr;
154 	u32 ovr_mode_spare_0;
155 	u32 ovr_val_spare_0;
156 	u32 ovr_mode_spare_1;
157 	u32 ovr_val_spare_1;
158 	u32 vsp;
159 	u32 vsp0;
160 	u32 gpr;
161 	u8 mc_read_weight;
162 	u8 mc_write_weight;
163 	u32 tid_cnt;
164 	u32 tid_unit;
165 	u32 l2_lta_window_size;
166 	u32 lts_truncate;
167 	u32 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
168 	u32 pcie_cac[SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES];
169 	bool enable_power_containment_by_default;
170 };
171 
172 struct ni_ps {
173 	u16 performance_level_count;
174 	bool dc_compatible;
175 	struct rv7xx_pl performance_levels[NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
176 };
177 
178 struct ni_power_info {
179 	/* must be first! */
180 	struct evergreen_power_info eg;
181 	struct ni_clock_registers clock_registers;
182 	struct ni_mc_reg_table mc_reg_table;
183 	u32 mclk_rtt_mode_threshold;
184 	/* flags */
185 	bool use_power_boost_limit;
186 	bool support_cac_long_term_average;
187 	bool cac_enabled;
188 	bool cac_configuration_required;
189 	bool driver_calculate_cac_leakage;
190 	bool pc_enabled;
191 	bool enable_power_containment;
192 	bool enable_cac;
193 	bool enable_sq_ramping;
194 	/* smc offsets */
195 	u16 arb_table_start;
196 	u16 fan_table_start;
197 	u16 cac_table_start;
198 	u16 spll_table_start;
199 	/* CAC stuff */
200 	struct ni_cac_data cac_data;
201 	u32 dc_cac_table[NISLANDS_DCCAC_MAX_LEVELS];
202 	const struct ni_cac_weights *cac_weights;
203 	u8 lta_window_size;
204 	u8 lts_truncate;
205 	struct ni_ps current_ps;
206 	struct ni_ps requested_ps;
207 	/* scratch structs */
208 	SMC_NIslands_MCRegisters smc_mc_reg_table;
209 	NISLANDS_SMC_STATETABLE smc_statetable;
210 };
211 
212 #define NISLANDS_INITIAL_STATE_ARB_INDEX    0
213 #define NISLANDS_ACPI_STATE_ARB_INDEX       1
214 #define NISLANDS_ULV_STATE_ARB_INDEX        2
215 #define NISLANDS_DRIVER_STATE_ARB_INDEX     3
216 
217 #define NISLANDS_DPM2_MAX_PULSE_SKIP        256
218 
219 #define NISLANDS_DPM2_NEAR_TDP_DEC          10
220 #define NISLANDS_DPM2_ABOVE_SAFE_INC        5
221 #define NISLANDS_DPM2_BELOW_SAFE_INC        20
222 
223 #define NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
224 
225 #define NISLANDS_DPM2_MAXPS_PERCENT_H                   90
226 #define NISLANDS_DPM2_MAXPS_PERCENT_M                   0
227 
228 #define NISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
229 #define NISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
230 #define NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
231 #define NISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
232 #define NISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
233 
234 int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
235 				u32 arb_freq_src, u32 arb_freq_dest);
236 void ni_update_current_ps(struct radeon_device *rdev,
237 			  struct radeon_ps *rps);
238 void ni_update_requested_ps(struct radeon_device *rdev,
239 			    struct radeon_ps *rps);
240 
241 void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
242 					   struct radeon_ps *new_ps,
243 					   struct radeon_ps *old_ps);
244 void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
245 					  struct radeon_ps *new_ps,
246 					  struct radeon_ps *old_ps);
247 
248 bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
249 
250 #endif
251