rv770_dpm.h revision 1.2 1 /* $NetBSD: rv770_dpm.h,v 1.2 2018/08/27 04:58:36 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 "rv770_smc.h"
29
30 struct rv770_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_spread_spectrum;
35 u32 cg_spll_spread_spectrum_2;
36 u32 mpll_ad_func_cntl;
37 u32 mpll_ad_func_cntl_2;
38 u32 mpll_dq_func_cntl;
39 u32 mpll_dq_func_cntl_2;
40 u32 mclk_pwrmgt_cntl;
41 u32 dll_cntl;
42 u32 mpll_ss1;
43 u32 mpll_ss2;
44 };
45
46 struct rv730_clock_registers {
47 u32 cg_spll_func_cntl;
48 u32 cg_spll_func_cntl_2;
49 u32 cg_spll_func_cntl_3;
50 u32 cg_spll_spread_spectrum;
51 u32 cg_spll_spread_spectrum_2;
52 u32 mclk_pwrmgt_cntl;
53 u32 dll_cntl;
54 u32 mpll_func_cntl;
55 u32 mpll_func_cntl2;
56 u32 mpll_func_cntl3;
57 u32 mpll_ss;
58 u32 mpll_ss2;
59 };
60
61 union r7xx_clock_registers {
62 struct rv770_clock_registers rv770;
63 struct rv730_clock_registers rv730;
64 };
65
66 struct vddc_table_entry {
67 u16 vddc;
68 u8 vddc_index;
69 u8 high_smio;
70 u32 low_smio;
71 };
72
73 #define MAX_NO_OF_MVDD_VALUES 2
74 #define MAX_NO_VREG_STEPS 32
75
76 struct rv7xx_power_info {
77 /* flags */
78 bool mem_gddr5;
79 bool pcie_gen2;
80 bool dynamic_pcie_gen2;
81 bool acpi_pcie_gen2;
82 bool boot_in_gen2;
83 bool voltage_control; /* vddc */
84 bool mvdd_control;
85 bool sclk_ss;
86 bool mclk_ss;
87 bool dynamic_ss;
88 bool gfx_clock_gating;
89 bool mg_clock_gating;
90 bool mgcgtssm;
91 bool power_gating;
92 bool thermal_protection;
93 bool display_gap;
94 bool dcodt;
95 bool ulps;
96 /* registers */
97 union r7xx_clock_registers clk_regs;
98 u32 s0_vid_lower_smio_cntl;
99 /* voltage */
100 u32 vddc_mask_low;
101 u32 mvdd_mask_low;
102 u32 mvdd_split_frequency;
103 u32 mvdd_low_smio[MAX_NO_OF_MVDD_VALUES];
104 u16 max_vddc;
105 u16 max_vddc_in_table;
106 u16 min_vddc_in_table;
107 struct vddc_table_entry vddc_table[MAX_NO_VREG_STEPS];
108 u8 valid_vddc_entries;
109 /* dc odt */
110 u32 mclk_odt_threshold;
111 u8 odt_value_0[2];
112 u8 odt_value_1[2];
113 /* stored values */
114 u32 boot_sclk;
115 u16 acpi_vddc;
116 u32 ref_div;
117 u32 active_auto_throttle_sources;
118 u32 mclk_stutter_mode_threshold;
119 u32 mclk_strobe_mode_threshold;
120 u32 mclk_edc_enable_threshold;
121 u32 bsp;
122 u32 bsu;
123 u32 pbsp;
124 u32 pbsu;
125 u32 dsp;
126 u32 psp;
127 u32 asi;
128 u32 pasi;
129 u32 vrc;
130 u32 restricted_levels;
131 u32 rlp;
132 u32 rmp;
133 u32 lhp;
134 u32 lmp;
135 /* smc offsets */
136 u16 state_table_start;
137 u16 soft_regs_start;
138 u16 sram_end;
139 /* scratch structs */
140 RV770_SMC_STATETABLE smc_statetable;
141 };
142
143 struct rv7xx_pl {
144 u32 sclk;
145 u32 mclk;
146 u16 vddc;
147 u16 vddci; /* eg+ only */
148 u32 flags;
149 enum radeon_pcie_gen pcie_gen; /* si+ only */
150 };
151
152 struct rv7xx_ps {
153 struct rv7xx_pl high;
154 struct rv7xx_pl medium;
155 struct rv7xx_pl low;
156 bool dc_compatible;
157 };
158
159 #define RV770_RLP_DFLT 10
160 #define RV770_RMP_DFLT 25
161 #define RV770_LHP_DFLT 25
162 #define RV770_LMP_DFLT 10
163 #define RV770_VRC_DFLT 0x003f
164 #define RV770_ASI_DFLT 1000
165 #define RV770_HASI_DFLT 200000
166 #define RV770_MGCGTTLOCAL0_DFLT 0x00100000
167 #define RV7XX_MGCGTTLOCAL0_DFLT 0
168 #define RV770_MGCGTTLOCAL1_DFLT 0xFFFF0000
169 #define RV770_MGCGCGTSSMCTRL_DFLT 0x55940000
170
171 #define MVDD_LOW_INDEX 0
172 #define MVDD_HIGH_INDEX 1
173
174 #define MVDD_LOW_VALUE 0
175 #define MVDD_HIGH_VALUE 0xffff
176
177 #define RV770_DEFAULT_VCLK_FREQ 53300 /* 10 khz */
178 #define RV770_DEFAULT_DCLK_FREQ 40000 /* 10 khz */
179
180 /* rv730/rv710 */
181 int rv730_populate_sclk_value(struct radeon_device *rdev,
182 u32 engine_clock,
183 RV770_SMC_SCLK_VALUE *sclk);
184 int rv730_populate_mclk_value(struct radeon_device *rdev,
185 u32 engine_clock, u32 memory_clock,
186 LPRV7XX_SMC_MCLK_VALUE mclk);
187 void rv730_read_clock_registers(struct radeon_device *rdev);
188 int rv730_populate_smc_acpi_state(struct radeon_device *rdev,
189 RV770_SMC_STATETABLE *table);
190 int rv730_populate_smc_initial_state(struct radeon_device *rdev,
191 struct radeon_ps *radeon_initial_state,
192 RV770_SMC_STATETABLE *table);
193 void rv730_program_memory_timing_parameters(struct radeon_device *rdev,
194 struct radeon_ps *radeon_state);
195 void rv730_power_gating_enable(struct radeon_device *rdev,
196 bool enable);
197 void rv730_start_dpm(struct radeon_device *rdev);
198 void rv730_stop_dpm(struct radeon_device *rdev);
199 void rv730_program_dcodt(struct radeon_device *rdev, bool use_dcodt);
200 void rv730_get_odt_values(struct radeon_device *rdev);
201
202 /* rv740 */
203 int rv740_populate_sclk_value(struct radeon_device *rdev, u32 engine_clock,
204 RV770_SMC_SCLK_VALUE *sclk);
205 int rv740_populate_mclk_value(struct radeon_device *rdev,
206 u32 engine_clock, u32 memory_clock,
207 RV7XX_SMC_MCLK_VALUE *mclk);
208 void rv740_read_clock_registers(struct radeon_device *rdev);
209 int rv740_populate_smc_acpi_state(struct radeon_device *rdev,
210 RV770_SMC_STATETABLE *table);
211 void rv740_enable_mclk_spread_spectrum(struct radeon_device *rdev,
212 bool enable);
213 u8 rv740_get_mclk_frequency_ratio(u32 memory_clock);
214 u32 rv740_get_dll_speed(bool is_gddr5, u32 memory_clock);
215 u32 rv740_get_decoded_reference_divider(u32 encoded_ref);
216
217 /* rv770 */
218 u32 rv770_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
219 int rv770_populate_vddc_value(struct radeon_device *rdev, u16 vddc,
220 RV770_SMC_VOLTAGE_VALUE *voltage);
221 int rv770_populate_mvdd_value(struct radeon_device *rdev, u32 mclk,
222 RV770_SMC_VOLTAGE_VALUE *voltage);
223 u8 rv770_get_seq_value(struct radeon_device *rdev,
224 struct rv7xx_pl *pl);
225 int rv770_populate_initial_mvdd_value(struct radeon_device *rdev,
226 RV770_SMC_VOLTAGE_VALUE *voltage);
227 u32 rv770_calculate_memory_refresh_rate(struct radeon_device *rdev,
228 u32 engine_clock);
229 void rv770_program_response_times(struct radeon_device *rdev);
230 int rv770_populate_smc_sp(struct radeon_device *rdev,
231 struct radeon_ps *radeon_state,
232 RV770_SMC_SWSTATE *smc_state);
233 int rv770_populate_smc_t(struct radeon_device *rdev,
234 struct radeon_ps *radeon_state,
235 RV770_SMC_SWSTATE *smc_state);
236 void rv770_read_voltage_smio_registers(struct radeon_device *rdev);
237 void rv770_get_memory_type(struct radeon_device *rdev);
238 void r7xx_start_smc(struct radeon_device *rdev);
239 u8 rv770_get_memory_module_index(struct radeon_device *rdev);
240 void rv770_get_max_vddc(struct radeon_device *rdev);
241 void rv770_get_pcie_gen2_status(struct radeon_device *rdev);
242 void rv770_enable_acpi_pm(struct radeon_device *rdev);
243 void rv770_restore_cgcg(struct radeon_device *rdev);
244 bool rv770_dpm_enabled(struct radeon_device *rdev);
245 void rv770_enable_voltage_control(struct radeon_device *rdev,
246 bool enable);
247 void rv770_enable_backbias(struct radeon_device *rdev,
248 bool enable);
249 void rv770_enable_thermal_protection(struct radeon_device *rdev,
250 bool enable);
251 void rv770_enable_auto_throttle_source(struct radeon_device *rdev,
252 enum radeon_dpm_auto_throttle_src source,
253 bool enable);
254 void rv770_setup_bsp(struct radeon_device *rdev);
255 void rv770_program_git(struct radeon_device *rdev);
256 void rv770_program_tp(struct radeon_device *rdev);
257 void rv770_program_tpp(struct radeon_device *rdev);
258 void rv770_program_sstp(struct radeon_device *rdev);
259 void rv770_program_engine_speed_parameters(struct radeon_device *rdev);
260 void rv770_program_vc(struct radeon_device *rdev);
261 void rv770_clear_vc(struct radeon_device *rdev);
262 int rv770_upload_firmware(struct radeon_device *rdev);
263 void rv770_stop_dpm(struct radeon_device *rdev);
264 void r7xx_stop_smc(struct radeon_device *rdev);
265 void rv770_reset_smio_status(struct radeon_device *rdev);
266 int rv770_restrict_performance_levels_before_switch(struct radeon_device *rdev);
267 int rv770_dpm_force_performance_level(struct radeon_device *rdev,
268 enum radeon_dpm_forced_level level);
269 int rv770_halt_smc(struct radeon_device *rdev);
270 int rv770_resume_smc(struct radeon_device *rdev);
271 int rv770_set_sw_state(struct radeon_device *rdev);
272 int rv770_set_boot_state(struct radeon_device *rdev);
273 int rv7xx_parse_power_table(struct radeon_device *rdev);
274 void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
275 struct radeon_ps *new_ps,
276 struct radeon_ps *old_ps);
277 void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
278 struct radeon_ps *new_ps,
279 struct radeon_ps *old_ps);
280 void rv770_get_engine_memory_ss(struct radeon_device *rdev);
281
282 /* smc */
283 int rv770_write_smc_soft_register(struct radeon_device *rdev,
284 u16 reg_offset, u32 value);
285
286 #endif
287