xref: /openbmc/linux/drivers/gpu/drm/radeon/ci_dpm.h (revision 0883c2c0)
1 /*
2  * Copyright 2013 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 __CI_DPM_H__
24 #define __CI_DPM_H__
25 
26 #include "ppsmc.h"
27 
28 #define SMU__NUM_SCLK_DPM_STATE  8
29 #define SMU__NUM_MCLK_DPM_LEVELS 6
30 #define SMU__NUM_LCLK_DPM_LEVELS 8
31 #define SMU__NUM_PCIE_DPM_LEVELS 8
32 #include "smu7_discrete.h"
33 
34 #define CISLANDS_MAX_HARDWARE_POWERLEVELS 2
35 
36 #define CISLANDS_UNUSED_GPIO_PIN 0x7F
37 
38 struct ci_pl {
39 	u32 mclk;
40 	u32 sclk;
41 	enum radeon_pcie_gen pcie_gen;
42 	u16 pcie_lane;
43 };
44 
45 struct ci_ps {
46 	u16 performance_level_count;
47 	bool dc_compatible;
48 	u32 sclk_t;
49 	struct ci_pl performance_levels[CISLANDS_MAX_HARDWARE_POWERLEVELS];
50 };
51 
52 struct ci_dpm_level {
53 	bool enabled;
54 	u32 value;
55 	u32 param1;
56 };
57 
58 #define CISLAND_MAX_DEEPSLEEP_DIVIDER_ID 5
59 #define MAX_REGULAR_DPM_NUMBER 8
60 #define CISLAND_MINIMUM_ENGINE_CLOCK 800
61 
62 struct ci_single_dpm_table {
63 	u32 count;
64 	struct ci_dpm_level dpm_levels[MAX_REGULAR_DPM_NUMBER];
65 };
66 
67 struct ci_dpm_table {
68 	struct ci_single_dpm_table sclk_table;
69 	struct ci_single_dpm_table mclk_table;
70 	struct ci_single_dpm_table pcie_speed_table;
71 	struct ci_single_dpm_table vddc_table;
72 	struct ci_single_dpm_table vddci_table;
73 	struct ci_single_dpm_table mvdd_table;
74 };
75 
76 struct ci_mc_reg_entry {
77 	u32 mclk_max;
78 	u32 mc_data[SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE];
79 };
80 
81 struct ci_mc_reg_table {
82 	u8 last;
83 	u8 num_entries;
84 	u16 valid_flag;
85 	struct ci_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
86 	SMU7_Discrete_MCRegisterAddress mc_reg_address[SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE];
87 };
88 
89 struct ci_ulv_parm
90 {
91 	bool supported;
92 	u32 cg_ulv_parameter;
93 	u32 volt_change_delay;
94 	struct ci_pl pl;
95 };
96 
97 #define CISLANDS_MAX_LEAKAGE_COUNT  8
98 
99 struct ci_leakage_voltage {
100 	u16 count;
101 	u16 leakage_id[CISLANDS_MAX_LEAKAGE_COUNT];
102 	u16 actual_voltage[CISLANDS_MAX_LEAKAGE_COUNT];
103 };
104 
105 struct ci_dpm_level_enable_mask {
106 	u32 uvd_dpm_enable_mask;
107 	u32 vce_dpm_enable_mask;
108 	u32 acp_dpm_enable_mask;
109 	u32 samu_dpm_enable_mask;
110 	u32 sclk_dpm_enable_mask;
111 	u32 mclk_dpm_enable_mask;
112 	u32 pcie_dpm_enable_mask;
113 };
114 
115 struct ci_vbios_boot_state
116 {
117 	u16 mvdd_bootup_value;
118 	u16 vddc_bootup_value;
119 	u16 vddci_bootup_value;
120 	u32 sclk_bootup_value;
121 	u32 mclk_bootup_value;
122 	u16 pcie_gen_bootup_value;
123 	u16 pcie_lane_bootup_value;
124 };
125 
126 struct ci_clock_registers {
127 	u32 cg_spll_func_cntl;
128 	u32 cg_spll_func_cntl_2;
129 	u32 cg_spll_func_cntl_3;
130 	u32 cg_spll_func_cntl_4;
131 	u32 cg_spll_spread_spectrum;
132 	u32 cg_spll_spread_spectrum_2;
133 	u32 dll_cntl;
134 	u32 mclk_pwrmgt_cntl;
135 	u32 mpll_ad_func_cntl;
136 	u32 mpll_dq_func_cntl;
137 	u32 mpll_func_cntl;
138 	u32 mpll_func_cntl_1;
139 	u32 mpll_func_cntl_2;
140 	u32 mpll_ss1;
141 	u32 mpll_ss2;
142 };
143 
144 struct ci_thermal_temperature_setting {
145 	s32 temperature_low;
146 	s32 temperature_high;
147 	s32 temperature_shutdown;
148 };
149 
150 struct ci_pcie_perf_range {
151 	u16 max;
152 	u16 min;
153 };
154 
155 enum ci_pt_config_reg_type {
156 	CISLANDS_CONFIGREG_MMR = 0,
157 	CISLANDS_CONFIGREG_SMC_IND,
158 	CISLANDS_CONFIGREG_DIDT_IND,
159 	CISLANDS_CONFIGREG_CACHE,
160 	CISLANDS_CONFIGREG_MAX
161 };
162 
163 #define POWERCONTAINMENT_FEATURE_BAPM            0x00000001
164 #define POWERCONTAINMENT_FEATURE_TDCLimit        0x00000002
165 #define POWERCONTAINMENT_FEATURE_PkgPwrLimit     0x00000004
166 
167 struct ci_pt_config_reg {
168 	u32 offset;
169 	u32 mask;
170 	u32 shift;
171 	u32 value;
172 	enum ci_pt_config_reg_type type;
173 };
174 
175 struct ci_pt_defaults {
176 	u8 svi_load_line_en;
177 	u8 svi_load_line_vddc;
178 	u8 tdc_vddc_throttle_release_limit_perc;
179 	u8 tdc_mawt;
180 	u8 tdc_waterfall_ctl;
181 	u8 dte_ambient_temp_base;
182 	u32 display_cac;
183 	u32 bapm_temp_gradient;
184 	u16 bapmti_r[SMU7_DTE_ITERATIONS * SMU7_DTE_SOURCES * SMU7_DTE_SINKS];
185 	u16 bapmti_rc[SMU7_DTE_ITERATIONS * SMU7_DTE_SOURCES * SMU7_DTE_SINKS];
186 };
187 
188 #define DPMTABLE_OD_UPDATE_SCLK     0x00000001
189 #define DPMTABLE_OD_UPDATE_MCLK     0x00000002
190 #define DPMTABLE_UPDATE_SCLK        0x00000004
191 #define DPMTABLE_UPDATE_MCLK        0x00000008
192 
193 struct ci_power_info {
194 	struct ci_dpm_table dpm_table;
195 	u32 voltage_control;
196 	u32 mvdd_control;
197 	u32 vddci_control;
198 	u32 active_auto_throttle_sources;
199 	struct ci_clock_registers clock_registers;
200 	u16 acpi_vddc;
201 	u16 acpi_vddci;
202 	enum radeon_pcie_gen force_pcie_gen;
203 	enum radeon_pcie_gen acpi_pcie_gen;
204 	struct ci_leakage_voltage vddc_leakage;
205 	struct ci_leakage_voltage vddci_leakage;
206 	u16 max_vddc_in_pp_table;
207 	u16 min_vddc_in_pp_table;
208 	u16 max_vddci_in_pp_table;
209 	u16 min_vddci_in_pp_table;
210 	u32 mclk_strobe_mode_threshold;
211 	u32 mclk_stutter_mode_threshold;
212 	u32 mclk_edc_enable_threshold;
213 	u32 mclk_edc_wr_enable_threshold;
214 	struct ci_vbios_boot_state vbios_boot_state;
215 	/* smc offsets */
216 	u32 sram_end;
217 	u32 dpm_table_start;
218 	u32 soft_regs_start;
219 	u32 mc_reg_table_start;
220 	u32 fan_table_start;
221 	u32 arb_table_start;
222 	/* smc tables */
223 	SMU7_Discrete_DpmTable smc_state_table;
224 	SMU7_Discrete_MCRegisters smc_mc_reg_table;
225 	SMU7_Discrete_PmFuses smc_powertune_table;
226 	/* other stuff */
227 	struct ci_mc_reg_table mc_reg_table;
228 	struct atom_voltage_table vddc_voltage_table;
229 	struct atom_voltage_table vddci_voltage_table;
230 	struct atom_voltage_table mvdd_voltage_table;
231 	struct ci_ulv_parm ulv;
232 	u32 power_containment_features;
233 	const struct ci_pt_defaults *powertune_defaults;
234 	u32 dte_tj_offset;
235 	bool vddc_phase_shed_control;
236 	struct ci_thermal_temperature_setting thermal_temp_setting;
237 	struct ci_dpm_level_enable_mask dpm_level_enable_mask;
238 	u32 need_update_smu7_dpm_table;
239 	u32 sclk_dpm_key_disabled;
240 	u32 mclk_dpm_key_disabled;
241 	u32 pcie_dpm_key_disabled;
242 	u32 thermal_sclk_dpm_enabled;
243 	struct ci_pcie_perf_range pcie_gen_performance;
244 	struct ci_pcie_perf_range pcie_lane_performance;
245 	struct ci_pcie_perf_range pcie_gen_powersaving;
246 	struct ci_pcie_perf_range pcie_lane_powersaving;
247 	u32 activity_target[SMU7_MAX_LEVELS_GRAPHICS];
248 	u32 mclk_activity_target;
249 	u32 low_sclk_interrupt_t;
250 	u32 last_mclk_dpm_enable_mask;
251 	u32 sys_pcie_mask;
252 	/* caps */
253 	bool caps_power_containment;
254 	bool caps_cac;
255 	bool caps_sq_ramping;
256 	bool caps_db_ramping;
257 	bool caps_td_ramping;
258 	bool caps_tcp_ramping;
259 	bool caps_fps;
260 	bool caps_sclk_ds;
261 	bool caps_sclk_ss_support;
262 	bool caps_mclk_ss_support;
263 	bool caps_uvd_dpm;
264 	bool caps_vce_dpm;
265 	bool caps_samu_dpm;
266 	bool caps_acp_dpm;
267 	bool caps_automatic_dc_transition;
268 	bool caps_sclk_throttle_low_notification;
269 	bool caps_dynamic_ac_timing;
270 	bool caps_od_fuzzy_fan_control_support;
271 	/* flags */
272 	bool thermal_protection;
273 	bool pcie_performance_request;
274 	bool dynamic_ss;
275 	bool dll_default_on;
276 	bool cac_enabled;
277 	bool uvd_enabled;
278 	bool battery_state;
279 	bool pspp_notify_required;
280 	bool mem_gddr5;
281 	bool enable_bapm_feature;
282 	bool enable_tdc_limit_feature;
283 	bool enable_pkg_pwr_tracking_feature;
284 	bool use_pcie_performance_levels;
285 	bool use_pcie_powersaving_levels;
286 	bool uvd_power_gated;
287 	/* driver states */
288 	struct radeon_ps current_rps;
289 	struct ci_ps current_ps;
290 	struct radeon_ps requested_rps;
291 	struct ci_ps requested_ps;
292 	/* fan control */
293 	bool fan_ctrl_is_in_default_mode;
294 	bool fan_is_controlled_by_smc;
295 	u32 t_min;
296 	u32 fan_ctrl_default_mode;
297 };
298 
299 #define CISLANDS_VOLTAGE_CONTROL_NONE                   0x0
300 #define CISLANDS_VOLTAGE_CONTROL_BY_GPIO                0x1
301 #define CISLANDS_VOLTAGE_CONTROL_BY_SVID2               0x2
302 
303 #define CISLANDS_Q88_FORMAT_CONVERSION_UNIT             256
304 
305 #define CISLANDS_VRC_DFLT0                              0x3FFFC000
306 #define CISLANDS_VRC_DFLT1                              0x000400
307 #define CISLANDS_VRC_DFLT2                              0xC00080
308 #define CISLANDS_VRC_DFLT3                              0xC00200
309 #define CISLANDS_VRC_DFLT4                              0xC01680
310 #define CISLANDS_VRC_DFLT5                              0xC00033
311 #define CISLANDS_VRC_DFLT6                              0xC00033
312 #define CISLANDS_VRC_DFLT7                              0x3FFFC000
313 
314 #define CISLANDS_CGULVPARAMETER_DFLT                    0x00040035
315 #define CISLAND_TARGETACTIVITY_DFLT                     30
316 #define CISLAND_MCLK_TARGETACTIVITY_DFLT                10
317 
318 #define PCIE_PERF_REQ_REMOVE_REGISTRY   0
319 #define PCIE_PERF_REQ_FORCE_LOWPOWER    1
320 #define PCIE_PERF_REQ_PECI_GEN1         2
321 #define PCIE_PERF_REQ_PECI_GEN2         3
322 #define PCIE_PERF_REQ_PECI_GEN3         4
323 
324 int ci_copy_bytes_to_smc(struct radeon_device *rdev,
325 			 u32 smc_start_address,
326 			 const u8 *src, u32 byte_count, u32 limit);
327 void ci_start_smc(struct radeon_device *rdev);
328 void ci_reset_smc(struct radeon_device *rdev);
329 int ci_program_jump_on_start(struct radeon_device *rdev);
330 void ci_stop_smc_clock(struct radeon_device *rdev);
331 void ci_start_smc_clock(struct radeon_device *rdev);
332 bool ci_is_smc_running(struct radeon_device *rdev);
333 PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
334 PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev);
335 int ci_load_smc_ucode(struct radeon_device *rdev, u32 limit);
336 int ci_read_smc_sram_dword(struct radeon_device *rdev,
337 			   u32 smc_address, u32 *value, u32 limit);
338 int ci_write_smc_sram_dword(struct radeon_device *rdev,
339 			    u32 smc_address, u32 value, u32 limit);
340 
341 #endif
342