• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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_ */
396