xref: /dragonfly/sys/dev/drm/amd/amdgpu/amdgpu_dpm.h (revision 655933d6)
1 /*
2  * Copyright 2014 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 __AMDGPU_DPM_H__
24 #define __AMDGPU_DPM_H__
25 
26 enum amdgpu_int_thermal_type {
27 	THERMAL_TYPE_NONE,
28 	THERMAL_TYPE_EXTERNAL,
29 	THERMAL_TYPE_EXTERNAL_GPIO,
30 	THERMAL_TYPE_RV6XX,
31 	THERMAL_TYPE_RV770,
32 	THERMAL_TYPE_ADT7473_WITH_INTERNAL,
33 	THERMAL_TYPE_EVERGREEN,
34 	THERMAL_TYPE_SUMO,
35 	THERMAL_TYPE_NI,
36 	THERMAL_TYPE_SI,
37 	THERMAL_TYPE_EMC2103_WITH_INTERNAL,
38 	THERMAL_TYPE_CI,
39 	THERMAL_TYPE_KV,
40 };
41 
42 enum amdgpu_dpm_auto_throttle_src {
43 	AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
44 	AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
45 };
46 
47 enum amdgpu_dpm_event_src {
48 	AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
49 	AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
50 	AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
51 	AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
52 	AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
53 };
54 
55 struct amdgpu_ps {
56 	u32 caps; /* vbios flags */
57 	u32 class; /* vbios flags */
58 	u32 class2; /* vbios flags */
59 	/* UVD clocks */
60 	u32 vclk;
61 	u32 dclk;
62 	/* VCE clocks */
63 	u32 evclk;
64 	u32 ecclk;
65 	bool vce_active;
66 	enum amd_vce_level vce_level;
67 	/* asic priv */
68 	void *ps_priv;
69 };
70 
71 struct amdgpu_dpm_thermal {
72 	/* thermal interrupt work */
73 	struct work_struct work;
74 	/* low temperature threshold */
75 	int                min_temp;
76 	/* high temperature threshold */
77 	int                max_temp;
78 	/* was last interrupt low to high or high to low */
79 	bool               high_to_low;
80 	/* interrupt source */
81 	struct amdgpu_irq_src	irq;
82 };
83 
84 enum amdgpu_clk_action
85 {
86 	AMDGPU_SCLK_UP = 1,
87 	AMDGPU_SCLK_DOWN
88 };
89 
90 struct amdgpu_blacklist_clocks
91 {
92 	u32 sclk;
93 	u32 mclk;
94 	enum amdgpu_clk_action action;
95 };
96 
97 struct amdgpu_clock_and_voltage_limits {
98 	u32 sclk;
99 	u32 mclk;
100 	u16 vddc;
101 	u16 vddci;
102 };
103 
104 struct amdgpu_clock_array {
105 	u32 count;
106 	u32 *values;
107 };
108 
109 struct amdgpu_clock_voltage_dependency_entry {
110 	u32 clk;
111 	u16 v;
112 };
113 
114 struct amdgpu_clock_voltage_dependency_table {
115 	u32 count;
116 	struct amdgpu_clock_voltage_dependency_entry *entries;
117 };
118 
119 union amdgpu_cac_leakage_entry {
120 	struct {
121 		u16 vddc;
122 		u32 leakage;
123 	};
124 	struct {
125 		u16 vddc1;
126 		u16 vddc2;
127 		u16 vddc3;
128 	};
129 };
130 
131 struct amdgpu_cac_leakage_table {
132 	u32 count;
133 	union amdgpu_cac_leakage_entry *entries;
134 };
135 
136 struct amdgpu_phase_shedding_limits_entry {
137 	u16 voltage;
138 	u32 sclk;
139 	u32 mclk;
140 };
141 
142 struct amdgpu_phase_shedding_limits_table {
143 	u32 count;
144 	struct amdgpu_phase_shedding_limits_entry *entries;
145 };
146 
147 struct amdgpu_uvd_clock_voltage_dependency_entry {
148 	u32 vclk;
149 	u32 dclk;
150 	u16 v;
151 };
152 
153 struct amdgpu_uvd_clock_voltage_dependency_table {
154 	u8 count;
155 	struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
156 };
157 
158 struct amdgpu_vce_clock_voltage_dependency_entry {
159 	u32 ecclk;
160 	u32 evclk;
161 	u16 v;
162 };
163 
164 struct amdgpu_vce_clock_voltage_dependency_table {
165 	u8 count;
166 	struct amdgpu_vce_clock_voltage_dependency_entry *entries;
167 };
168 
169 struct amdgpu_ppm_table {
170 	u8 ppm_design;
171 	u16 cpu_core_number;
172 	u32 platform_tdp;
173 	u32 small_ac_platform_tdp;
174 	u32 platform_tdc;
175 	u32 small_ac_platform_tdc;
176 	u32 apu_tdp;
177 	u32 dgpu_tdp;
178 	u32 dgpu_ulv_power;
179 	u32 tj_max;
180 };
181 
182 struct amdgpu_cac_tdp_table {
183 	u16 tdp;
184 	u16 configurable_tdp;
185 	u16 tdc;
186 	u16 battery_power_limit;
187 	u16 small_power_limit;
188 	u16 low_cac_leakage;
189 	u16 high_cac_leakage;
190 	u16 maximum_power_delivery_limit;
191 };
192 
193 struct amdgpu_dpm_dynamic_state {
194 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
195 	struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
196 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
197 	struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
198 	struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
199 	struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
200 	struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
201 	struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
202 	struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
203 	struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
204 	struct amdgpu_clock_array valid_sclk_values;
205 	struct amdgpu_clock_array valid_mclk_values;
206 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
207 	struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
208 	u32 mclk_sclk_ratio;
209 	u32 sclk_mclk_delta;
210 	u16 vddc_vddci_delta;
211 	u16 min_vddc_for_pcie_gen2;
212 	struct amdgpu_cac_leakage_table cac_leakage_table;
213 	struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
214 	struct amdgpu_ppm_table *ppm_table;
215 	struct amdgpu_cac_tdp_table *cac_tdp_table;
216 };
217 
218 struct amdgpu_dpm_fan {
219 	u16 t_min;
220 	u16 t_med;
221 	u16 t_high;
222 	u16 pwm_min;
223 	u16 pwm_med;
224 	u16 pwm_high;
225 	u8 t_hyst;
226 	u32 cycle_delay;
227 	u16 t_max;
228 	u8 control_mode;
229 	u16 default_max_fan_pwm;
230 	u16 default_fan_output_sensitivity;
231 	u16 fan_output_sensitivity;
232 	bool ucode_fan_control;
233 };
234 
235 enum amdgpu_pcie_gen {
236 	AMDGPU_PCIE_GEN1 = 0,
237 	AMDGPU_PCIE_GEN2 = 1,
238 	AMDGPU_PCIE_GEN3 = 2,
239 	AMDGPU_PCIE_GEN_INVALID = 0xffff
240 };
241 
242 #define amdgpu_dpm_pre_set_power_state(adev) \
243 		((adev)->powerplay.pp_funcs->pre_set_power_state((adev)->powerplay.pp_handle))
244 
245 #define amdgpu_dpm_set_power_state(adev) \
246 		((adev)->powerplay.pp_funcs->set_power_state((adev)->powerplay.pp_handle))
247 
248 #define amdgpu_dpm_post_set_power_state(adev) \
249 		((adev)->powerplay.pp_funcs->post_set_power_state((adev)->powerplay.pp_handle))
250 
251 #define amdgpu_dpm_display_configuration_changed(adev) \
252 		((adev)->powerplay.pp_funcs->display_configuration_changed((adev)->powerplay.pp_handle))
253 
254 #define amdgpu_dpm_print_power_state(adev, ps) \
255 		((adev)->powerplay.pp_funcs->print_power_state((adev)->powerplay.pp_handle, (ps)))
256 
257 #define amdgpu_dpm_vblank_too_short(adev) \
258 		((adev)->powerplay.pp_funcs->vblank_too_short((adev)->powerplay.pp_handle))
259 
260 #define amdgpu_dpm_enable_bapm(adev, e) \
261 		((adev)->powerplay.pp_funcs->enable_bapm((adev)->powerplay.pp_handle, (e)))
262 
263 #define amdgpu_dpm_read_sensor(adev, idx, value, size) \
264 		((adev)->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, (idx), (value), (size)))
265 
266 #define amdgpu_dpm_set_fan_control_mode(adev, m) \
267 		((adev)->powerplay.pp_funcs->set_fan_control_mode((adev)->powerplay.pp_handle, (m)))
268 
269 #define amdgpu_dpm_get_fan_control_mode(adev) \
270 		((adev)->powerplay.pp_funcs->get_fan_control_mode((adev)->powerplay.pp_handle))
271 
272 #define amdgpu_dpm_set_fan_speed_percent(adev, s) \
273 		((adev)->powerplay.pp_funcs->set_fan_speed_percent((adev)->powerplay.pp_handle, (s)))
274 
275 #define amdgpu_dpm_get_fan_speed_percent(adev, s) \
276 		((adev)->powerplay.pp_funcs->get_fan_speed_percent((adev)->powerplay.pp_handle, (s)))
277 
278 #define amdgpu_dpm_get_fan_speed_rpm(adev, s) \
279 		((adev)->powerplay.pp_funcs->get_fan_speed_rpm)((adev)->powerplay.pp_handle, (s))
280 
281 #define amdgpu_dpm_get_sclk(adev, l) \
282 		((adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l)))
283 
284 #define amdgpu_dpm_get_mclk(adev, l)  \
285 		((adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l)))
286 
287 #define amdgpu_dpm_force_performance_level(adev, l) \
288 		((adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)))
289 
290 #define amdgpu_dpm_get_current_power_state(adev) \
291 		((adev)->powerplay.pp_funcs->get_current_power_state((adev)->powerplay.pp_handle))
292 
293 #define amdgpu_dpm_get_pp_num_states(adev, data) \
294 		((adev)->powerplay.pp_funcs->get_pp_num_states((adev)->powerplay.pp_handle, data))
295 
296 #define amdgpu_dpm_get_pp_table(adev, table) \
297 		((adev)->powerplay.pp_funcs->get_pp_table((adev)->powerplay.pp_handle, table))
298 
299 #define amdgpu_dpm_set_pp_table(adev, buf, size) \
300 		((adev)->powerplay.pp_funcs->set_pp_table((adev)->powerplay.pp_handle, buf, size))
301 
302 #define amdgpu_dpm_print_clock_levels(adev, type, buf) \
303 		((adev)->powerplay.pp_funcs->print_clock_levels((adev)->powerplay.pp_handle, type, buf))
304 
305 #define amdgpu_dpm_force_clock_level(adev, type, level) \
306 		((adev)->powerplay.pp_funcs->force_clock_level((adev)->powerplay.pp_handle, type, level))
307 
308 #define amdgpu_dpm_get_sclk_od(adev) \
309 		((adev)->powerplay.pp_funcs->get_sclk_od((adev)->powerplay.pp_handle))
310 
311 #define amdgpu_dpm_set_sclk_od(adev, value) \
312 		((adev)->powerplay.pp_funcs->set_sclk_od((adev)->powerplay.pp_handle, value))
313 
314 #define amdgpu_dpm_get_mclk_od(adev) \
315 		((adev)->powerplay.pp_funcs->get_mclk_od((adev)->powerplay.pp_handle))
316 
317 #define amdgpu_dpm_set_mclk_od(adev, value) \
318 		((adev)->powerplay.pp_funcs->set_mclk_od((adev)->powerplay.pp_handle, value))
319 
320 #define amdgpu_dpm_dispatch_task(adev, task_id, user_state)		\
321 		((adev)->powerplay.pp_funcs->dispatch_tasks)((adev)->powerplay.pp_handle, (task_id), (user_state))
322 
323 #define amdgpu_dpm_check_state_equal(adev, cps, rps, equal) \
324 		((adev)->powerplay.pp_funcs->check_state_equal((adev)->powerplay.pp_handle, (cps), (rps), (equal)))
325 
326 #define amdgpu_dpm_get_vce_clock_state(adev, i)				\
327 		((adev)->powerplay.pp_funcs->get_vce_clock_state((adev)->powerplay.pp_handle, (i)))
328 
329 #define amdgpu_dpm_get_performance_level(adev)				\
330 		((adev)->powerplay.pp_funcs->get_performance_level((adev)->powerplay.pp_handle))
331 
332 #define amdgpu_dpm_reset_power_profile_state(adev, request) \
333 		((adev)->powerplay.pp_funcs->reset_power_profile_state(\
334 			(adev)->powerplay.pp_handle, request))
335 
336 #define amdgpu_dpm_switch_power_profile(adev, type, en) \
337 		((adev)->powerplay.pp_funcs->switch_power_profile(\
338 			(adev)->powerplay.pp_handle, type, en))
339 
340 #define amdgpu_dpm_set_clockgating_by_smu(adev, msg_id) \
341 		((adev)->powerplay.pp_funcs->set_clockgating_by_smu(\
342 			(adev)->powerplay.pp_handle, msg_id))
343 
344 #define amdgpu_dpm_set_powergating_by_smu(adev, block_type, gate) \
345 		((adev)->powerplay.pp_funcs->set_powergating_by_smu(\
346 			(adev)->powerplay.pp_handle, block_type, gate))
347 
348 #define amdgpu_dpm_get_power_profile_mode(adev, buf) \
349 		((adev)->powerplay.pp_funcs->get_power_profile_mode(\
350 			(adev)->powerplay.pp_handle, buf))
351 
352 #define amdgpu_dpm_set_power_profile_mode(adev, parameter, size) \
353 		((adev)->powerplay.pp_funcs->set_power_profile_mode(\
354 			(adev)->powerplay.pp_handle, parameter, size))
355 
356 #define amdgpu_dpm_odn_edit_dpm_table(adev, type, parameter, size) \
357 		((adev)->powerplay.pp_funcs->odn_edit_dpm_table(\
358 			(adev)->powerplay.pp_handle, type, parameter, size))
359 
360 struct amdgpu_dpm {
361 	struct amdgpu_ps        *ps;
362 	/* number of valid power states */
363 	int                     num_ps;
364 	/* current power state that is active */
365 	struct amdgpu_ps        *current_ps;
366 	/* requested power state */
367 	struct amdgpu_ps        *requested_ps;
368 	/* boot up power state */
369 	struct amdgpu_ps        *boot_ps;
370 	/* default uvd power state */
371 	struct amdgpu_ps        *uvd_ps;
372 	/* vce requirements */
373 	u32                  num_of_vce_states;
374 	struct amd_vce_state vce_states[AMD_MAX_VCE_LEVELS];
375 	enum amd_vce_level vce_level;
376 	enum amd_pm_state_type state;
377 	enum amd_pm_state_type user_state;
378 	enum amd_pm_state_type last_state;
379 	enum amd_pm_state_type last_user_state;
380 	u32                     platform_caps;
381 	u32                     voltage_response_time;
382 	u32                     backbias_response_time;
383 	void                    *priv;
384 	u32			new_active_crtcs;
385 	int			new_active_crtc_count;
386 	u32			current_active_crtcs;
387 	int			current_active_crtc_count;
388 	struct amdgpu_dpm_dynamic_state dyn_state;
389 	struct amdgpu_dpm_fan fan;
390 	u32 tdp_limit;
391 	u32 near_tdp_limit;
392 	u32 near_tdp_limit_adjusted;
393 	u32 sq_ramping_threshold;
394 	u32 cac_leakage;
395 	u16 tdp_od_limit;
396 	u32 tdp_adjustment;
397 	u16 load_line_slope;
398 	bool power_control;
399 	/* special states active */
400 	bool                    thermal_active;
401 	bool                    uvd_active;
402 	bool                    vce_active;
403 	/* thermal handling */
404 	struct amdgpu_dpm_thermal thermal;
405 	/* forced levels */
406 	enum amd_dpm_forced_level forced_level;
407 };
408 
409 struct amdgpu_pm {
410 	struct lock		mutex;
411 	u32                     current_sclk;
412 	u32                     current_mclk;
413 	u32                     default_sclk;
414 	u32                     default_mclk;
415 	struct amdgpu_i2c_chan *i2c_bus;
416 	/* internal thermal controller on rv6xx+ */
417 	enum amdgpu_int_thermal_type int_thermal_type;
418 	struct device	        *int_hwmon_dev;
419 	/* fan control parameters */
420 	bool                    no_fan;
421 	u8                      fan_pulses_per_revolution;
422 	u8                      fan_min_rpm;
423 	u8                      fan_max_rpm;
424 	/* dpm */
425 	bool                    dpm_enabled;
426 	bool                    sysfs_initialized;
427 	struct amdgpu_dpm       dpm;
428 	const struct firmware	*fw;	/* SMC firmware */
429 	uint32_t                fw_version;
430 	uint32_t                pcie_gen_mask;
431 	uint32_t                pcie_mlw_mask;
432 	struct amd_pp_display_configuration pm_display_cfg;/* set by dc */
433 	uint32_t                smu_prv_buffer_size;
434 	struct amdgpu_bo        *smu_prv_buffer;
435 	bool ac_power;
436 };
437 
438 #define R600_SSTU_DFLT                               0
439 #define R600_SST_DFLT                                0x00C8
440 
441 /* XXX are these ok? */
442 #define R600_TEMP_RANGE_MIN (90 * 1000)
443 #define R600_TEMP_RANGE_MAX (120 * 1000)
444 
445 #define FDO_PWM_MODE_STATIC  1
446 #define FDO_PWM_MODE_STATIC_RPM 5
447 
448 enum amdgpu_td {
449 	AMDGPU_TD_AUTO,
450 	AMDGPU_TD_UP,
451 	AMDGPU_TD_DOWN,
452 };
453 
454 enum amdgpu_display_watermark {
455 	AMDGPU_DISPLAY_WATERMARK_LOW = 0,
456 	AMDGPU_DISPLAY_WATERMARK_HIGH = 1,
457 };
458 
459 enum amdgpu_display_gap
460 {
461     AMDGPU_PM_DISPLAY_GAP_VBLANK_OR_WM = 0,
462     AMDGPU_PM_DISPLAY_GAP_VBLANK       = 1,
463     AMDGPU_PM_DISPLAY_GAP_WATERMARK    = 2,
464     AMDGPU_PM_DISPLAY_GAP_IGNORE       = 3,
465 };
466 
467 void amdgpu_dpm_print_class_info(u32 class, u32 class2);
468 void amdgpu_dpm_print_cap_info(u32 caps);
469 void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev,
470 				struct amdgpu_ps *rps);
471 u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev);
472 u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev);
473 void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev);
474 bool amdgpu_is_uvd_state(u32 class, u32 class2);
475 void amdgpu_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
476 			      u32 *p, u32 *u);
477 int amdgpu_calculate_at(u32 t, u32 h, u32 fh, u32 fl, u32 *tl, u32 *th);
478 
479 bool amdgpu_is_internal_thermal_sensor(enum amdgpu_int_thermal_type sensor);
480 
481 int amdgpu_get_platform_caps(struct amdgpu_device *adev);
482 
483 int amdgpu_parse_extended_power_table(struct amdgpu_device *adev);
484 void amdgpu_free_extended_power_table(struct amdgpu_device *adev);
485 
486 void amdgpu_add_thermal_controller(struct amdgpu_device *adev);
487 
488 enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev,
489 						 u32 sys_mask,
490 						 enum amdgpu_pcie_gen asic_gen,
491 						 enum amdgpu_pcie_gen default_gen);
492 
493 u16 amdgpu_get_pcie_lane_support(struct amdgpu_device *adev,
494 				 u16 asic_lanes,
495 				 u16 default_lanes);
496 u8 amdgpu_encode_pci_lane_width(u32 lanes);
497 
498 struct amd_vce_state*
499 amdgpu_get_vce_clock_state(void *handle, u32 idx);
500 
501 #endif
502