Merge tag 'bcm2835-dt-next-fixes-2017-11-15' into devicetree/fixes
[sfrench/cifs-2.6.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_dpm.h
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 #define SCLK_DEEP_SLEEP_MASK 0x8
56
57 struct amdgpu_ps {
58         u32 caps; /* vbios flags */
59         u32 class; /* vbios flags */
60         u32 class2; /* vbios flags */
61         /* UVD clocks */
62         u32 vclk;
63         u32 dclk;
64         /* VCE clocks */
65         u32 evclk;
66         u32 ecclk;
67         bool vce_active;
68         enum amd_vce_level vce_level;
69         /* asic priv */
70         void *ps_priv;
71 };
72
73 struct amdgpu_dpm_thermal {
74         /* thermal interrupt work */
75         struct work_struct work;
76         /* low temperature threshold */
77         int                min_temp;
78         /* high temperature threshold */
79         int                max_temp;
80         /* was last interrupt low to high or high to low */
81         bool               high_to_low;
82         /* interrupt source */
83         struct amdgpu_irq_src   irq;
84 };
85
86 enum amdgpu_clk_action
87 {
88         AMDGPU_SCLK_UP = 1,
89         AMDGPU_SCLK_DOWN
90 };
91
92 struct amdgpu_blacklist_clocks
93 {
94         u32 sclk;
95         u32 mclk;
96         enum amdgpu_clk_action action;
97 };
98
99 struct amdgpu_clock_and_voltage_limits {
100         u32 sclk;
101         u32 mclk;
102         u16 vddc;
103         u16 vddci;
104 };
105
106 struct amdgpu_clock_array {
107         u32 count;
108         u32 *values;
109 };
110
111 struct amdgpu_clock_voltage_dependency_entry {
112         u32 clk;
113         u16 v;
114 };
115
116 struct amdgpu_clock_voltage_dependency_table {
117         u32 count;
118         struct amdgpu_clock_voltage_dependency_entry *entries;
119 };
120
121 union amdgpu_cac_leakage_entry {
122         struct {
123                 u16 vddc;
124                 u32 leakage;
125         };
126         struct {
127                 u16 vddc1;
128                 u16 vddc2;
129                 u16 vddc3;
130         };
131 };
132
133 struct amdgpu_cac_leakage_table {
134         u32 count;
135         union amdgpu_cac_leakage_entry *entries;
136 };
137
138 struct amdgpu_phase_shedding_limits_entry {
139         u16 voltage;
140         u32 sclk;
141         u32 mclk;
142 };
143
144 struct amdgpu_phase_shedding_limits_table {
145         u32 count;
146         struct amdgpu_phase_shedding_limits_entry *entries;
147 };
148
149 struct amdgpu_uvd_clock_voltage_dependency_entry {
150         u32 vclk;
151         u32 dclk;
152         u16 v;
153 };
154
155 struct amdgpu_uvd_clock_voltage_dependency_table {
156         u8 count;
157         struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
158 };
159
160 struct amdgpu_vce_clock_voltage_dependency_entry {
161         u32 ecclk;
162         u32 evclk;
163         u16 v;
164 };
165
166 struct amdgpu_vce_clock_voltage_dependency_table {
167         u8 count;
168         struct amdgpu_vce_clock_voltage_dependency_entry *entries;
169 };
170
171 struct amdgpu_ppm_table {
172         u8 ppm_design;
173         u16 cpu_core_number;
174         u32 platform_tdp;
175         u32 small_ac_platform_tdp;
176         u32 platform_tdc;
177         u32 small_ac_platform_tdc;
178         u32 apu_tdp;
179         u32 dgpu_tdp;
180         u32 dgpu_ulv_power;
181         u32 tj_max;
182 };
183
184 struct amdgpu_cac_tdp_table {
185         u16 tdp;
186         u16 configurable_tdp;
187         u16 tdc;
188         u16 battery_power_limit;
189         u16 small_power_limit;
190         u16 low_cac_leakage;
191         u16 high_cac_leakage;
192         u16 maximum_power_delivery_limit;
193 };
194
195 struct amdgpu_dpm_dynamic_state {
196         struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
197         struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
198         struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
199         struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
200         struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
201         struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
202         struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
203         struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
204         struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
205         struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
206         struct amdgpu_clock_array valid_sclk_values;
207         struct amdgpu_clock_array valid_mclk_values;
208         struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
209         struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
210         u32 mclk_sclk_ratio;
211         u32 sclk_mclk_delta;
212         u16 vddc_vddci_delta;
213         u16 min_vddc_for_pcie_gen2;
214         struct amdgpu_cac_leakage_table cac_leakage_table;
215         struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
216         struct amdgpu_ppm_table *ppm_table;
217         struct amdgpu_cac_tdp_table *cac_tdp_table;
218 };
219
220 struct amdgpu_dpm_fan {
221         u16 t_min;
222         u16 t_med;
223         u16 t_high;
224         u16 pwm_min;
225         u16 pwm_med;
226         u16 pwm_high;
227         u8 t_hyst;
228         u32 cycle_delay;
229         u16 t_max;
230         u8 control_mode;
231         u16 default_max_fan_pwm;
232         u16 default_fan_output_sensitivity;
233         u16 fan_output_sensitivity;
234         bool ucode_fan_control;
235 };
236
237 enum amdgpu_pcie_gen {
238         AMDGPU_PCIE_GEN1 = 0,
239         AMDGPU_PCIE_GEN2 = 1,
240         AMDGPU_PCIE_GEN3 = 2,
241         AMDGPU_PCIE_GEN_INVALID = 0xffff
242 };
243
244 #define amdgpu_dpm_pre_set_power_state(adev) \
245                 ((adev)->powerplay.pp_funcs->pre_set_power_state((adev)->powerplay.pp_handle))
246
247 #define amdgpu_dpm_set_power_state(adev) \
248                 ((adev)->powerplay.pp_funcs->set_power_state((adev)->powerplay.pp_handle))
249
250 #define amdgpu_dpm_post_set_power_state(adev) \
251                 ((adev)->powerplay.pp_funcs->post_set_power_state((adev)->powerplay.pp_handle))
252
253 #define amdgpu_dpm_display_configuration_changed(adev) \
254                 ((adev)->powerplay.pp_funcs->display_configuration_changed((adev)->powerplay.pp_handle))
255
256 #define amdgpu_dpm_print_power_state(adev, ps) \
257                 ((adev)->powerplay.pp_funcs->print_power_state((adev)->powerplay.pp_handle, (ps)))
258
259 #define amdgpu_dpm_vblank_too_short(adev) \
260                 ((adev)->powerplay.pp_funcs->vblank_too_short((adev)->powerplay.pp_handle))
261
262 #define amdgpu_dpm_enable_bapm(adev, e) \
263                 ((adev)->powerplay.pp_funcs->enable_bapm((adev)->powerplay.pp_handle, (e)))
264
265 #define amdgpu_dpm_read_sensor(adev, idx, value, size) \
266                 ((adev)->powerplay.pp_funcs->read_sensor((adev)->powerplay.pp_handle, (idx), (value), (size)))
267
268 #define amdgpu_dpm_get_temperature(adev) \
269                 ((adev)->powerplay.pp_funcs->get_temperature((adev)->powerplay.pp_handle))
270
271 #define amdgpu_dpm_set_fan_control_mode(adev, m) \
272                 ((adev)->powerplay.pp_funcs->set_fan_control_mode((adev)->powerplay.pp_handle, (m)))
273
274 #define amdgpu_dpm_get_fan_control_mode(adev) \
275                 ((adev)->powerplay.pp_funcs->get_fan_control_mode((adev)->powerplay.pp_handle))
276
277 #define amdgpu_dpm_set_fan_speed_percent(adev, s) \
278                 ((adev)->powerplay.pp_funcs->set_fan_speed_percent((adev)->powerplay.pp_handle, (s)))
279
280 #define amdgpu_dpm_get_fan_speed_percent(adev, s) \
281                 ((adev)->powerplay.pp_funcs->get_fan_speed_percent((adev)->powerplay.pp_handle, (s)))
282
283 #define amdgpu_dpm_get_fan_speed_rpm(adev, s) \
284                 ((adev)->powerplay.pp_funcs->get_fan_speed_rpm)((adev)->powerplay.pp_handle, (s))
285
286 #define amdgpu_dpm_get_sclk(adev, l) \
287                 ((adev)->powerplay.pp_funcs->get_sclk((adev)->powerplay.pp_handle, (l)))
288
289 #define amdgpu_dpm_get_mclk(adev, l)  \
290                 ((adev)->powerplay.pp_funcs->get_mclk((adev)->powerplay.pp_handle, (l)))
291
292 #define amdgpu_dpm_force_performance_level(adev, l) \
293                 ((adev)->powerplay.pp_funcs->force_performance_level((adev)->powerplay.pp_handle, (l)))
294
295 #define amdgpu_dpm_powergate_uvd(adev, g) \
296                 ((adev)->powerplay.pp_funcs->powergate_uvd((adev)->powerplay.pp_handle, (g)))
297
298 #define amdgpu_dpm_powergate_vce(adev, g) \
299                 ((adev)->powerplay.pp_funcs->powergate_vce((adev)->powerplay.pp_handle, (g)))
300
301 #define amdgpu_dpm_get_current_power_state(adev) \
302                 ((adev)->powerplay.pp_funcs->get_current_power_state((adev)->powerplay.pp_handle))
303
304 #define amdgpu_dpm_get_pp_num_states(adev, data) \
305                 ((adev)->powerplay.pp_funcs->get_pp_num_states((adev)->powerplay.pp_handle, data))
306
307 #define amdgpu_dpm_get_pp_table(adev, table) \
308                 ((adev)->powerplay.pp_funcs->get_pp_table((adev)->powerplay.pp_handle, table))
309
310 #define amdgpu_dpm_set_pp_table(adev, buf, size) \
311                 ((adev)->powerplay.pp_funcs->set_pp_table((adev)->powerplay.pp_handle, buf, size))
312
313 #define amdgpu_dpm_print_clock_levels(adev, type, buf) \
314                 ((adev)->powerplay.pp_funcs->print_clock_levels((adev)->powerplay.pp_handle, type, buf))
315
316 #define amdgpu_dpm_force_clock_level(adev, type, level) \
317                 ((adev)->powerplay.pp_funcs->force_clock_level((adev)->powerplay.pp_handle, type, level))
318
319 #define amdgpu_dpm_get_sclk_od(adev) \
320                 ((adev)->powerplay.pp_funcs->get_sclk_od((adev)->powerplay.pp_handle))
321
322 #define amdgpu_dpm_set_sclk_od(adev, value) \
323                 ((adev)->powerplay.pp_funcs->set_sclk_od((adev)->powerplay.pp_handle, value))
324
325 #define amdgpu_dpm_get_mclk_od(adev) \
326                 ((adev)->powerplay.pp_funcs->get_mclk_od((adev)->powerplay.pp_handle))
327
328 #define amdgpu_dpm_set_mclk_od(adev, value) \
329                 ((adev)->powerplay.pp_funcs->set_mclk_od((adev)->powerplay.pp_handle, value))
330
331 #define amdgpu_dpm_dispatch_task(adev, task_id, input, output)          \
332                 ((adev)->powerplay.pp_funcs->dispatch_tasks)((adev)->powerplay.pp_handle, (task_id), (input), (output))
333
334 #define amdgpu_dpm_check_state_equal(adev, cps, rps, equal) \
335                 ((adev)->powerplay.pp_funcs->check_state_equal((adev)->powerplay.pp_handle, (cps), (rps), (equal)))
336
337 #define amdgpu_dpm_get_vce_clock_state(adev, i)                         \
338                 ((adev)->powerplay.pp_funcs->get_vce_clock_state((adev)->powerplay.pp_handle, (i)))
339
340 #define amdgpu_dpm_get_performance_level(adev)                          \
341                 ((adev)->powerplay.pp_funcs->get_performance_level((adev)->powerplay.pp_handle))
342
343 #define amdgpu_dpm_reset_power_profile_state(adev, request) \
344                 ((adev)->powerplay.pp_funcs->reset_power_profile_state(\
345                         (adev)->powerplay.pp_handle, request))
346
347 #define amdgpu_dpm_get_power_profile_state(adev, query) \
348                 ((adev)->powerplay.pp_funcs->get_power_profile_state(\
349                         (adev)->powerplay.pp_handle, query))
350
351 #define amdgpu_dpm_set_power_profile_state(adev, request) \
352                 ((adev)->powerplay.pp_funcs->set_power_profile_state(\
353                         (adev)->powerplay.pp_handle, request))
354
355 #define amdgpu_dpm_switch_power_profile(adev, type) \
356                 ((adev)->powerplay.pp_funcs->switch_power_profile(\
357                         (adev)->powerplay.pp_handle, type))
358
359 #define amdgpu_dpm_set_clockgating_by_smu(adev, msg_id) \
360                 ((adev)->powerplay.pp_funcs->set_clockgating_by_smu(\
361                         (adev)->powerplay.pp_handle, msg_id))
362
363 struct amdgpu_dpm {
364         struct amdgpu_ps        *ps;
365         /* number of valid power states */
366         int                     num_ps;
367         /* current power state that is active */
368         struct amdgpu_ps        *current_ps;
369         /* requested power state */
370         struct amdgpu_ps        *requested_ps;
371         /* boot up power state */
372         struct amdgpu_ps        *boot_ps;
373         /* default uvd power state */
374         struct amdgpu_ps        *uvd_ps;
375         /* vce requirements */
376         u32                  num_of_vce_states;
377         struct amd_vce_state vce_states[AMD_MAX_VCE_LEVELS];
378         enum amd_vce_level vce_level;
379         enum amd_pm_state_type state;
380         enum amd_pm_state_type user_state;
381         enum amd_pm_state_type last_state;
382         enum amd_pm_state_type last_user_state;
383         u32                     platform_caps;
384         u32                     voltage_response_time;
385         u32                     backbias_response_time;
386         void                    *priv;
387         u32                     new_active_crtcs;
388         int                     new_active_crtc_count;
389         u32                     current_active_crtcs;
390         int                     current_active_crtc_count;
391         struct amdgpu_dpm_dynamic_state dyn_state;
392         struct amdgpu_dpm_fan fan;
393         u32 tdp_limit;
394         u32 near_tdp_limit;
395         u32 near_tdp_limit_adjusted;
396         u32 sq_ramping_threshold;
397         u32 cac_leakage;
398         u16 tdp_od_limit;
399         u32 tdp_adjustment;
400         u16 load_line_slope;
401         bool power_control;
402         bool ac_power;
403         /* special states active */
404         bool                    thermal_active;
405         bool                    uvd_active;
406         bool                    vce_active;
407         /* thermal handling */
408         struct amdgpu_dpm_thermal thermal;
409         /* forced levels */
410         enum amd_dpm_forced_level forced_level;
411 };
412
413 struct amdgpu_pm {
414         struct mutex            mutex;
415         u32                     current_sclk;
416         u32                     current_mclk;
417         u32                     default_sclk;
418         u32                     default_mclk;
419         struct amdgpu_i2c_chan *i2c_bus;
420         /* internal thermal controller on rv6xx+ */
421         enum amdgpu_int_thermal_type int_thermal_type;
422         struct device           *int_hwmon_dev;
423         /* fan control parameters */
424         bool                    no_fan;
425         u8                      fan_pulses_per_revolution;
426         u8                      fan_min_rpm;
427         u8                      fan_max_rpm;
428         /* dpm */
429         bool                    dpm_enabled;
430         bool                    sysfs_initialized;
431         struct amdgpu_dpm       dpm;
432         const struct firmware   *fw;    /* SMC firmware */
433         uint32_t                fw_version;
434         uint32_t                pcie_gen_mask;
435         uint32_t                pcie_mlw_mask;
436         struct amd_pp_display_configuration pm_display_cfg;/* set by dc */
437 };
438
439 #define R600_SSTU_DFLT                               0
440 #define R600_SST_DFLT                                0x00C8
441
442 /* XXX are these ok? */
443 #define R600_TEMP_RANGE_MIN (90 * 1000)
444 #define R600_TEMP_RANGE_MAX (120 * 1000)
445
446 #define FDO_PWM_MODE_STATIC  1
447 #define FDO_PWM_MODE_STATIC_RPM 5
448
449 enum amdgpu_td {
450         AMDGPU_TD_AUTO,
451         AMDGPU_TD_UP,
452         AMDGPU_TD_DOWN,
453 };
454
455 enum amdgpu_display_watermark {
456         AMDGPU_DISPLAY_WATERMARK_LOW = 0,
457         AMDGPU_DISPLAY_WATERMARK_HIGH = 1,
458 };
459
460 enum amdgpu_display_gap
461 {
462     AMDGPU_PM_DISPLAY_GAP_VBLANK_OR_WM = 0,
463     AMDGPU_PM_DISPLAY_GAP_VBLANK       = 1,
464     AMDGPU_PM_DISPLAY_GAP_WATERMARK    = 2,
465     AMDGPU_PM_DISPLAY_GAP_IGNORE       = 3,
466 };
467
468 void amdgpu_dpm_print_class_info(u32 class, u32 class2);
469 void amdgpu_dpm_print_cap_info(u32 caps);
470 void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev,
471                                 struct amdgpu_ps *rps);
472 u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev);
473 u32 amdgpu_dpm_get_vrefresh(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