Merge tag 'dm-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device...
[cascardo/linux.git] / drivers / gpu / drm / amd / powerplay / inc / amd_powerplay.h
1 /*
2  * Copyright 2015 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 _AMD_POWERPLAY_H_
24 #define _AMD_POWERPLAY_H_
25
26 #include <linux/seq_file.h>
27 #include <linux/types.h>
28 #include <linux/errno.h>
29 #include "amd_shared.h"
30 #include "cgs_common.h"
31
32 enum amd_pp_sensors {
33         AMDGPU_PP_SENSOR_GFX_SCLK = 0,
34         AMDGPU_PP_SENSOR_VDDNB,
35         AMDGPU_PP_SENSOR_VDDGFX,
36         AMDGPU_PP_SENSOR_UVD_VCLK,
37         AMDGPU_PP_SENSOR_UVD_DCLK,
38         AMDGPU_PP_SENSOR_VCE_ECCLK,
39         AMDGPU_PP_SENSOR_GPU_LOAD,
40         AMDGPU_PP_SENSOR_GFX_MCLK,
41         AMDGPU_PP_SENSOR_GPU_TEMP,
42         AMDGPU_PP_SENSOR_VCE_POWER,
43         AMDGPU_PP_SENSOR_UVD_POWER,
44 };
45
46 enum amd_pp_event {
47         AMD_PP_EVENT_INITIALIZE = 0,
48         AMD_PP_EVENT_UNINITIALIZE,
49         AMD_PP_EVENT_POWER_SOURCE_CHANGE,
50         AMD_PP_EVENT_SUSPEND,
51         AMD_PP_EVENT_RESUME,
52         AMD_PP_EVENT_ENTER_REST_STATE,
53         AMD_PP_EVENT_EXIT_REST_STATE,
54         AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE,
55         AMD_PP_EVENT_THERMAL_NOTIFICATION,
56         AMD_PP_EVENT_VBIOS_NOTIFICATION,
57         AMD_PP_EVENT_ENTER_THERMAL_STATE,
58         AMD_PP_EVENT_EXIT_THERMAL_STATE,
59         AMD_PP_EVENT_ENTER_FORCED_STATE,
60         AMD_PP_EVENT_EXIT_FORCED_STATE,
61         AMD_PP_EVENT_ENTER_EXCLUSIVE_MODE,
62         AMD_PP_EVENT_EXIT_EXCLUSIVE_MODE,
63         AMD_PP_EVENT_ENTER_SCREEN_SAVER,
64         AMD_PP_EVENT_EXIT_SCREEN_SAVER,
65         AMD_PP_EVENT_VPU_RECOVERY_BEGIN,
66         AMD_PP_EVENT_VPU_RECOVERY_END,
67         AMD_PP_EVENT_ENABLE_POWER_PLAY,
68         AMD_PP_EVENT_DISABLE_POWER_PLAY,
69         AMD_PP_EVENT_CHANGE_POWER_SOURCE_UI_LABEL,
70         AMD_PP_EVENT_ENABLE_USER2D_PERFORMANCE,
71         AMD_PP_EVENT_DISABLE_USER2D_PERFORMANCE,
72         AMD_PP_EVENT_ENABLE_USER3D_PERFORMANCE,
73         AMD_PP_EVENT_DISABLE_USER3D_PERFORMANCE,
74         AMD_PP_EVENT_ENABLE_OVER_DRIVE_TEST,
75         AMD_PP_EVENT_DISABLE_OVER_DRIVE_TEST,
76         AMD_PP_EVENT_ENABLE_REDUCED_REFRESH_RATE,
77         AMD_PP_EVENT_DISABLE_REDUCED_REFRESH_RATE,
78         AMD_PP_EVENT_ENABLE_GFX_CLOCK_GATING,
79         AMD_PP_EVENT_DISABLE_GFX_CLOCK_GATING,
80         AMD_PP_EVENT_ENABLE_CGPG,
81         AMD_PP_EVENT_DISABLE_CGPG,
82         AMD_PP_EVENT_ENTER_TEXT_MODE,
83         AMD_PP_EVENT_EXIT_TEXT_MODE,
84         AMD_PP_EVENT_VIDEO_START,
85         AMD_PP_EVENT_VIDEO_STOP,
86         AMD_PP_EVENT_ENABLE_USER_STATE,
87         AMD_PP_EVENT_DISABLE_USER_STATE,
88         AMD_PP_EVENT_READJUST_POWER_STATE,
89         AMD_PP_EVENT_START_INACTIVITY,
90         AMD_PP_EVENT_STOP_INACTIVITY,
91         AMD_PP_EVENT_LINKED_ADAPTERS_READY,
92         AMD_PP_EVENT_ADAPTER_SAFE_TO_DISABLE,
93         AMD_PP_EVENT_COMPLETE_INIT,
94         AMD_PP_EVENT_CRITICAL_THERMAL_FAULT,
95         AMD_PP_EVENT_BACKLIGHT_CHANGED,
96         AMD_PP_EVENT_ENABLE_VARI_BRIGHT,
97         AMD_PP_EVENT_DISABLE_VARI_BRIGHT,
98         AMD_PP_EVENT_ENABLE_VARI_BRIGHT_ON_POWER_XPRESS,
99         AMD_PP_EVENT_DISABLE_VARI_BRIGHT_ON_POWER_XPRESS,
100         AMD_PP_EVENT_SET_VARI_BRIGHT_LEVEL,
101         AMD_PP_EVENT_VARI_BRIGHT_MONITOR_MEASUREMENT,
102         AMD_PP_EVENT_SCREEN_ON,
103         AMD_PP_EVENT_SCREEN_OFF,
104         AMD_PP_EVENT_PRE_DISPLAY_CONFIG_CHANGE,
105         AMD_PP_EVENT_ENTER_ULP_STATE,
106         AMD_PP_EVENT_EXIT_ULP_STATE,
107         AMD_PP_EVENT_REGISTER_IP_STATE,
108         AMD_PP_EVENT_UNREGISTER_IP_STATE,
109         AMD_PP_EVENT_ENTER_MGPU_MODE,
110         AMD_PP_EVENT_EXIT_MGPU_MODE,
111         AMD_PP_EVENT_ENTER_MULTI_GPU_MODE,
112         AMD_PP_EVENT_PRE_SUSPEND,
113         AMD_PP_EVENT_PRE_RESUME,
114         AMD_PP_EVENT_ENTER_BACOS,
115         AMD_PP_EVENT_EXIT_BACOS,
116         AMD_PP_EVENT_RESUME_BACO,
117         AMD_PP_EVENT_RESET_BACO,
118         AMD_PP_EVENT_PRE_DISPLAY_PHY_ACCESS,
119         AMD_PP_EVENT_POST_DISPLAY_PHY_CCESS,
120         AMD_PP_EVENT_START_COMPUTE_APPLICATION,
121         AMD_PP_EVENT_STOP_COMPUTE_APPLICATION,
122         AMD_PP_EVENT_REDUCE_POWER_LIMIT,
123         AMD_PP_EVENT_ENTER_FRAME_LOCK,
124         AMD_PP_EVENT_EXIT_FRAME_LOOCK,
125         AMD_PP_EVENT_LONG_IDLE_REQUEST_BACO,
126         AMD_PP_EVENT_LONG_IDLE_ENTER_BACO,
127         AMD_PP_EVENT_LONG_IDLE_EXIT_BACO,
128         AMD_PP_EVENT_HIBERNATE,
129         AMD_PP_EVENT_CONNECTED_STANDBY,
130         AMD_PP_EVENT_ENTER_SELF_REFRESH,
131         AMD_PP_EVENT_EXIT_SELF_REFRESH,
132         AMD_PP_EVENT_START_AVFS_BTC,
133         AMD_PP_EVENT_MAX
134 };
135
136 enum amd_dpm_forced_level {
137         AMD_DPM_FORCED_LEVEL_AUTO = 0,
138         AMD_DPM_FORCED_LEVEL_LOW = 1,
139         AMD_DPM_FORCED_LEVEL_HIGH = 2,
140         AMD_DPM_FORCED_LEVEL_MANUAL = 3,
141 };
142
143 struct amd_pp_init {
144         struct cgs_device *device;
145         uint32_t chip_family;
146         uint32_t chip_id;
147 };
148
149 enum amd_pp_display_config_type{
150         AMD_PP_DisplayConfigType_None = 0,
151         AMD_PP_DisplayConfigType_DP54 ,
152         AMD_PP_DisplayConfigType_DP432 ,
153         AMD_PP_DisplayConfigType_DP324 ,
154         AMD_PP_DisplayConfigType_DP27,
155         AMD_PP_DisplayConfigType_DP243,
156         AMD_PP_DisplayConfigType_DP216,
157         AMD_PP_DisplayConfigType_DP162,
158         AMD_PP_DisplayConfigType_HDMI6G ,
159         AMD_PP_DisplayConfigType_HDMI297 ,
160         AMD_PP_DisplayConfigType_HDMI162,
161         AMD_PP_DisplayConfigType_LVDS,
162         AMD_PP_DisplayConfigType_DVI,
163         AMD_PP_DisplayConfigType_WIRELESS,
164         AMD_PP_DisplayConfigType_VGA
165 };
166
167 struct single_display_configuration
168 {
169         uint32_t controller_index;
170         uint32_t controller_id;
171         uint32_t signal_type;
172         uint32_t display_state;
173         /* phy id for the primary internal transmitter */
174         uint8_t primary_transmitter_phyi_d;
175         /* bitmap with the active lanes */
176         uint8_t primary_transmitter_active_lanemap;
177         /* phy id for the secondary internal transmitter (for dual-link dvi) */
178         uint8_t secondary_transmitter_phy_id;
179         /* bitmap with the active lanes */
180         uint8_t secondary_transmitter_active_lanemap;
181         /* misc phy settings for SMU. */
182         uint32_t config_flags;
183         uint32_t display_type;
184         uint32_t view_resolution_cx;
185         uint32_t view_resolution_cy;
186         enum amd_pp_display_config_type displayconfigtype;
187         uint32_t vertical_refresh; /* for active display */
188 };
189
190 #define MAX_NUM_DISPLAY 32
191
192 struct amd_pp_display_configuration {
193         bool nb_pstate_switch_disable;/* controls NB PState switch */
194         bool cpu_cc6_disable; /* controls CPU CState switch ( on or off) */
195         bool cpu_pstate_disable;
196         uint32_t cpu_pstate_separation_time;
197
198         uint32_t num_display;  /* total number of display*/
199         uint32_t num_path_including_non_display;
200         uint32_t crossfire_display_index;
201         uint32_t min_mem_set_clock;
202         uint32_t min_core_set_clock;
203         /* unit 10KHz x bit*/
204         uint32_t min_bus_bandwidth;
205         /* minimum required stutter sclk, in 10khz uint32_t ulMinCoreSetClk;*/
206         uint32_t min_core_set_clock_in_sr;
207
208         struct single_display_configuration displays[MAX_NUM_DISPLAY];
209
210         uint32_t vrefresh; /* for active display*/
211
212         uint32_t min_vblank_time; /* for active display*/
213         bool multi_monitor_in_sync;
214         /* Controller Index of primary display - used in MCLK SMC switching hang
215          * SW Workaround*/
216         uint32_t crtc_index;
217         /* htotal*1000/pixelclk - used in MCLK SMC switching hang SW Workaround*/
218         uint32_t line_time_in_us;
219         bool invalid_vblank_time;
220
221         uint32_t display_clk;
222         /*
223          * for given display configuration if multimonitormnsync == false then
224          * Memory clock DPMS with this latency or below is allowed, DPMS with
225          * higher latency not allowed.
226          */
227         uint32_t dce_tolerable_mclk_in_active_latency;
228 };
229
230 struct amd_pp_simple_clock_info {
231         uint32_t        engine_max_clock;
232         uint32_t        memory_max_clock;
233         uint32_t        level;
234 };
235
236 enum PP_DAL_POWERLEVEL {
237         PP_DAL_POWERLEVEL_INVALID = 0,
238         PP_DAL_POWERLEVEL_ULTRALOW,
239         PP_DAL_POWERLEVEL_LOW,
240         PP_DAL_POWERLEVEL_NOMINAL,
241         PP_DAL_POWERLEVEL_PERFORMANCE,
242
243         PP_DAL_POWERLEVEL_0 = PP_DAL_POWERLEVEL_ULTRALOW,
244         PP_DAL_POWERLEVEL_1 = PP_DAL_POWERLEVEL_LOW,
245         PP_DAL_POWERLEVEL_2 = PP_DAL_POWERLEVEL_NOMINAL,
246         PP_DAL_POWERLEVEL_3 = PP_DAL_POWERLEVEL_PERFORMANCE,
247         PP_DAL_POWERLEVEL_4 = PP_DAL_POWERLEVEL_3+1,
248         PP_DAL_POWERLEVEL_5 = PP_DAL_POWERLEVEL_4+1,
249         PP_DAL_POWERLEVEL_6 = PP_DAL_POWERLEVEL_5+1,
250         PP_DAL_POWERLEVEL_7 = PP_DAL_POWERLEVEL_6+1,
251 };
252
253 struct amd_pp_clock_info {
254         uint32_t min_engine_clock;
255         uint32_t max_engine_clock;
256         uint32_t min_memory_clock;
257         uint32_t max_memory_clock;
258         uint32_t min_bus_bandwidth;
259         uint32_t max_bus_bandwidth;
260         uint32_t max_engine_clock_in_sr;
261         uint32_t min_engine_clock_in_sr;
262         enum PP_DAL_POWERLEVEL max_clocks_state;
263 };
264
265 enum amd_pp_clock_type {
266         amd_pp_disp_clock = 1,
267         amd_pp_sys_clock,
268         amd_pp_mem_clock
269 };
270
271 #define MAX_NUM_CLOCKS 16
272
273 struct amd_pp_clocks {
274         uint32_t count;
275         uint32_t clock[MAX_NUM_CLOCKS];
276         uint32_t latency[MAX_NUM_CLOCKS];
277 };
278
279
280 enum {
281         PP_GROUP_UNKNOWN = 0,
282         PP_GROUP_GFX = 1,
283         PP_GROUP_SYS,
284         PP_GROUP_MAX
285 };
286
287 enum pp_clock_type {
288         PP_SCLK,
289         PP_MCLK,
290         PP_PCIE,
291 };
292
293 struct pp_states_info {
294         uint32_t nums;
295         uint32_t states[16];
296 };
297
298 #define PP_GROUP_MASK        0xF0000000
299 #define PP_GROUP_SHIFT       28
300
301 #define PP_BLOCK_MASK        0x0FFFFF00
302 #define PP_BLOCK_SHIFT       8
303
304 #define PP_BLOCK_GFX_CG         0x01
305 #define PP_BLOCK_GFX_MG         0x02
306 #define PP_BLOCK_GFX_3D         0x04
307 #define PP_BLOCK_GFX_RLC        0x08
308 #define PP_BLOCK_GFX_CP         0x10
309 #define PP_BLOCK_SYS_BIF        0x01
310 #define PP_BLOCK_SYS_MC         0x02
311 #define PP_BLOCK_SYS_ROM        0x04
312 #define PP_BLOCK_SYS_DRM        0x08
313 #define PP_BLOCK_SYS_HDP        0x10
314 #define PP_BLOCK_SYS_SDMA       0x20
315
316 #define PP_STATE_MASK           0x0000000F
317 #define PP_STATE_SHIFT          0
318 #define PP_STATE_SUPPORT_MASK   0x000000F0
319 #define PP_STATE_SUPPORT_SHIFT  0
320
321 #define PP_STATE_CG             0x01
322 #define PP_STATE_LS             0x02
323 #define PP_STATE_DS             0x04
324 #define PP_STATE_SD             0x08
325 #define PP_STATE_SUPPORT_CG     0x10
326 #define PP_STATE_SUPPORT_LS     0x20
327 #define PP_STATE_SUPPORT_DS     0x40
328 #define PP_STATE_SUPPORT_SD     0x80
329
330 #define PP_CG_MSG_ID(group, block, support, state) (group << PP_GROUP_SHIFT |\
331                                                                 block << PP_BLOCK_SHIFT |\
332                                                                 support << PP_STATE_SUPPORT_SHIFT |\
333                                                                 state << PP_STATE_SHIFT)
334
335 struct amd_powerplay_funcs {
336         int (*get_temperature)(void *handle);
337         int (*load_firmware)(void *handle);
338         int (*wait_for_fw_loading_complete)(void *handle);
339         int (*force_performance_level)(void *handle, enum amd_dpm_forced_level level);
340         enum amd_dpm_forced_level (*get_performance_level)(void *handle);
341         enum amd_pm_state_type (*get_current_power_state)(void *handle);
342         int (*get_sclk)(void *handle, bool low);
343         int (*get_mclk)(void *handle, bool low);
344         int (*powergate_vce)(void *handle, bool gate);
345         int (*powergate_uvd)(void *handle, bool gate);
346         int (*dispatch_tasks)(void *handle, enum amd_pp_event event_id,
347                                    void *input, void *output);
348         int (*set_fan_control_mode)(void *handle, uint32_t mode);
349         int (*get_fan_control_mode)(void *handle);
350         int (*set_fan_speed_percent)(void *handle, uint32_t percent);
351         int (*get_fan_speed_percent)(void *handle, uint32_t *speed);
352         int (*get_pp_num_states)(void *handle, struct pp_states_info *data);
353         int (*get_pp_table)(void *handle, char **table);
354         int (*set_pp_table)(void *handle, const char *buf, size_t size);
355         int (*force_clock_level)(void *handle, enum pp_clock_type type, uint32_t mask);
356         int (*print_clock_levels)(void *handle, enum pp_clock_type type, char *buf);
357         int (*get_sclk_od)(void *handle);
358         int (*set_sclk_od)(void *handle, uint32_t value);
359         int (*get_mclk_od)(void *handle);
360         int (*set_mclk_od)(void *handle, uint32_t value);
361         int (*read_sensor)(void *handle, int idx, int32_t *value);
362 };
363
364 struct amd_powerplay {
365         void *pp_handle;
366         const struct amd_ip_funcs *ip_funcs;
367         const struct amd_powerplay_funcs *pp_funcs;
368 };
369
370 int amd_powerplay_init(struct amd_pp_init *pp_init,
371                        struct amd_powerplay *amd_pp);
372
373 int amd_powerplay_fini(void *handle);
374
375 int amd_powerplay_reset(void *handle);
376
377 int amd_powerplay_display_configuration_change(void *handle,
378                 const struct amd_pp_display_configuration *input);
379
380 int amd_powerplay_get_display_power_level(void *handle,
381                 struct amd_pp_simple_clock_info *output);
382
383 int amd_powerplay_get_current_clocks(void *handle,
384                 struct amd_pp_clock_info *output);
385
386 int amd_powerplay_get_clock_by_type(void *handle,
387                 enum amd_pp_clock_type type,
388                 struct amd_pp_clocks *clocks);
389
390 int amd_powerplay_get_display_mode_validation_clocks(void *handle,
391                 struct amd_pp_simple_clock_info *output);
392
393 int amd_set_clockgating_by_smu(void *handle, uint32_t msg_id);
394
395 #endif /* _AMD_POWERPLAY_H_ */