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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 "amd_shared.h" | |
29 | #include "cgs_common.h" | |
30 | ||
31 | enum amd_pp_event { | |
32 | AMD_PP_EVENT_INITIALIZE = 0, | |
33 | AMD_PP_EVENT_UNINITIALIZE, | |
34 | AMD_PP_EVENT_POWER_SOURCE_CHANGE, | |
35 | AMD_PP_EVENT_SUSPEND, | |
36 | AMD_PP_EVENT_RESUME, | |
37 | AMD_PP_EVENT_ENTER_REST_STATE, | |
38 | AMD_PP_EVENT_EXIT_REST_STATE, | |
39 | AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE, | |
40 | AMD_PP_EVENT_THERMAL_NOTIFICATION, | |
41 | AMD_PP_EVENT_VBIOS_NOTIFICATION, | |
42 | AMD_PP_EVENT_ENTER_THERMAL_STATE, | |
43 | AMD_PP_EVENT_EXIT_THERMAL_STATE, | |
44 | AMD_PP_EVENT_ENTER_FORCED_STATE, | |
45 | AMD_PP_EVENT_EXIT_FORCED_STATE, | |
46 | AMD_PP_EVENT_ENTER_EXCLUSIVE_MODE, | |
47 | AMD_PP_EVENT_EXIT_EXCLUSIVE_MODE, | |
48 | AMD_PP_EVENT_ENTER_SCREEN_SAVER, | |
49 | AMD_PP_EVENT_EXIT_SCREEN_SAVER, | |
50 | AMD_PP_EVENT_VPU_RECOVERY_BEGIN, | |
51 | AMD_PP_EVENT_VPU_RECOVERY_END, | |
52 | AMD_PP_EVENT_ENABLE_POWER_PLAY, | |
53 | AMD_PP_EVENT_DISABLE_POWER_PLAY, | |
54 | AMD_PP_EVENT_CHANGE_POWER_SOURCE_UI_LABEL, | |
55 | AMD_PP_EVENT_ENABLE_USER2D_PERFORMANCE, | |
56 | AMD_PP_EVENT_DISABLE_USER2D_PERFORMANCE, | |
57 | AMD_PP_EVENT_ENABLE_USER3D_PERFORMANCE, | |
58 | AMD_PP_EVENT_DISABLE_USER3D_PERFORMANCE, | |
59 | AMD_PP_EVENT_ENABLE_OVER_DRIVE_TEST, | |
60 | AMD_PP_EVENT_DISABLE_OVER_DRIVE_TEST, | |
61 | AMD_PP_EVENT_ENABLE_REDUCED_REFRESH_RATE, | |
62 | AMD_PP_EVENT_DISABLE_REDUCED_REFRESH_RATE, | |
63 | AMD_PP_EVENT_ENABLE_GFX_CLOCK_GATING, | |
64 | AMD_PP_EVENT_DISABLE_GFX_CLOCK_GATING, | |
65 | AMD_PP_EVENT_ENABLE_CGPG, | |
66 | AMD_PP_EVENT_DISABLE_CGPG, | |
67 | AMD_PP_EVENT_ENTER_TEXT_MODE, | |
68 | AMD_PP_EVENT_EXIT_TEXT_MODE, | |
69 | AMD_PP_EVENT_VIDEO_START, | |
70 | AMD_PP_EVENT_VIDEO_STOP, | |
71 | AMD_PP_EVENT_ENABLE_USER_STATE, | |
72 | AMD_PP_EVENT_DISABLE_USER_STATE, | |
73 | AMD_PP_EVENT_READJUST_POWER_STATE, | |
74 | AMD_PP_EVENT_START_INACTIVITY, | |
75 | AMD_PP_EVENT_STOP_INACTIVITY, | |
76 | AMD_PP_EVENT_LINKED_ADAPTERS_READY, | |
77 | AMD_PP_EVENT_ADAPTER_SAFE_TO_DISABLE, | |
78 | AMD_PP_EVENT_COMPLETE_INIT, | |
79 | AMD_PP_EVENT_CRITICAL_THERMAL_FAULT, | |
80 | AMD_PP_EVENT_BACKLIGHT_CHANGED, | |
81 | AMD_PP_EVENT_ENABLE_VARI_BRIGHT, | |
82 | AMD_PP_EVENT_DISABLE_VARI_BRIGHT, | |
83 | AMD_PP_EVENT_ENABLE_VARI_BRIGHT_ON_POWER_XPRESS, | |
84 | AMD_PP_EVENT_DISABLE_VARI_BRIGHT_ON_POWER_XPRESS, | |
85 | AMD_PP_EVENT_SET_VARI_BRIGHT_LEVEL, | |
86 | AMD_PP_EVENT_VARI_BRIGHT_MONITOR_MEASUREMENT, | |
87 | AMD_PP_EVENT_SCREEN_ON, | |
88 | AMD_PP_EVENT_SCREEN_OFF, | |
89 | AMD_PP_EVENT_PRE_DISPLAY_CONFIG_CHANGE, | |
90 | AMD_PP_EVENT_ENTER_ULP_STATE, | |
91 | AMD_PP_EVENT_EXIT_ULP_STATE, | |
92 | AMD_PP_EVENT_REGISTER_IP_STATE, | |
93 | AMD_PP_EVENT_UNREGISTER_IP_STATE, | |
94 | AMD_PP_EVENT_ENTER_MGPU_MODE, | |
95 | AMD_PP_EVENT_EXIT_MGPU_MODE, | |
96 | AMD_PP_EVENT_ENTER_MULTI_GPU_MODE, | |
97 | AMD_PP_EVENT_PRE_SUSPEND, | |
98 | AMD_PP_EVENT_PRE_RESUME, | |
99 | AMD_PP_EVENT_ENTER_BACOS, | |
100 | AMD_PP_EVENT_EXIT_BACOS, | |
101 | AMD_PP_EVENT_RESUME_BACO, | |
102 | AMD_PP_EVENT_RESET_BACO, | |
103 | AMD_PP_EVENT_PRE_DISPLAY_PHY_ACCESS, | |
104 | AMD_PP_EVENT_POST_DISPLAY_PHY_CCESS, | |
105 | AMD_PP_EVENT_START_COMPUTE_APPLICATION, | |
106 | AMD_PP_EVENT_STOP_COMPUTE_APPLICATION, | |
107 | AMD_PP_EVENT_REDUCE_POWER_LIMIT, | |
108 | AMD_PP_EVENT_ENTER_FRAME_LOCK, | |
109 | AMD_PP_EVENT_EXIT_FRAME_LOOCK, | |
110 | AMD_PP_EVENT_LONG_IDLE_REQUEST_BACO, | |
111 | AMD_PP_EVENT_LONG_IDLE_ENTER_BACO, | |
112 | AMD_PP_EVENT_LONG_IDLE_EXIT_BACO, | |
113 | AMD_PP_EVENT_HIBERNATE, | |
114 | AMD_PP_EVENT_CONNECTED_STANDBY, | |
115 | AMD_PP_EVENT_ENTER_SELF_REFRESH, | |
116 | AMD_PP_EVENT_EXIT_SELF_REFRESH, | |
117 | AMD_PP_EVENT_START_AVFS_BTC, | |
118 | AMD_PP_EVENT_MAX | |
119 | }; | |
120 | ||
121 | enum amd_dpm_forced_level { | |
122 | AMD_DPM_FORCED_LEVEL_AUTO = 0, | |
123 | AMD_DPM_FORCED_LEVEL_LOW = 1, | |
124 | AMD_DPM_FORCED_LEVEL_HIGH = 2, | |
125 | }; | |
126 | ||
127 | struct amd_pp_init { | |
128 | struct cgs_device *device; | |
129 | uint32_t chip_family; | |
130 | uint32_t chip_id; | |
131 | uint32_t rev_id; | |
132 | }; | |
133 | ||
134 | enum { | |
135 | PP_GROUP_UNKNOWN = 0, | |
136 | PP_GROUP_GFX = 1, | |
137 | PP_GROUP_SYS, | |
138 | PP_GROUP_MAX | |
139 | }; | |
140 | ||
141 | #define PP_GROUP_MASK 0xF0000000 | |
142 | #define PP_GROUP_SHIFT 28 | |
143 | ||
144 | #define PP_BLOCK_MASK 0x0FFFFF00 | |
145 | #define PP_BLOCK_SHIFT 8 | |
146 | ||
147 | #define PP_BLOCK_GFX_CG 0x01 | |
148 | #define PP_BLOCK_GFX_MG 0x02 | |
149 | #define PP_BLOCK_SYS_BIF 0x01 | |
150 | #define PP_BLOCK_SYS_MC 0x02 | |
151 | #define PP_BLOCK_SYS_ROM 0x04 | |
152 | #define PP_BLOCK_SYS_DRM 0x08 | |
153 | #define PP_BLOCK_SYS_HDP 0x10 | |
154 | #define PP_BLOCK_SYS_SDMA 0x20 | |
155 | ||
156 | #define PP_STATE_MASK 0x0000000F | |
157 | #define PP_STATE_SHIFT 0 | |
158 | #define PP_STATE_SUPPORT_MASK 0x000000F0 | |
159 | #define PP_STATE_SUPPORT_SHIFT 0 | |
160 | ||
161 | #define PP_STATE_CG 0x01 | |
162 | #define PP_STATE_LS 0x02 | |
163 | #define PP_STATE_DS 0x04 | |
164 | #define PP_STATE_SD 0x08 | |
165 | #define PP_STATE_SUPPORT_CG 0x10 | |
166 | #define PP_STATE_SUPPORT_LS 0x20 | |
167 | #define PP_STATE_SUPPORT_DS 0x40 | |
168 | #define PP_STATE_SUPPORT_SD 0x80 | |
169 | ||
170 | #define PP_CG_MSG_ID(group, block, support, state) (group << PP_GROUP_SHIFT |\ | |
171 | block << PP_BLOCK_SHIFT |\ | |
172 | support << PP_STATE_SUPPORT_SHIFT |\ | |
173 | state << PP_STATE_SHIFT) | |
174 | ||
175 | struct amd_powerplay_funcs { | |
176 | int (*get_temperature)(void *handle); | |
177 | int (*load_firmware)(void *handle); | |
178 | int (*wait_for_fw_loading_complete)(void *handle); | |
179 | int (*force_performance_level)(void *handle, enum amd_dpm_forced_level level); | |
180 | enum amd_dpm_forced_level (*get_performance_level)(void *handle); | |
181 | enum amd_pm_state_type (*get_current_power_state)(void *handle); | |
182 | int (*get_sclk)(void *handle, bool low); | |
183 | int (*get_mclk)(void *handle, bool low); | |
184 | int (*powergate_vce)(void *handle, bool gate); | |
185 | int (*powergate_uvd)(void *handle, bool gate); | |
186 | int (*dispatch_tasks)(void *handle, enum amd_pp_event event_id, | |
187 | void *input, void *output); | |
188 | void (*print_current_performance_level)(void *handle, | |
189 | struct seq_file *m); | |
190 | int (*set_fan_control_mode)(void *handle, uint32_t mode); | |
191 | int (*get_fan_control_mode)(void *handle); | |
192 | int (*set_fan_speed_percent)(void *handle, uint32_t percent); | |
193 | int (*get_fan_speed_percent)(void *handle, uint32_t *speed); | |
194 | }; | |
195 | ||
196 | struct amd_powerplay { | |
197 | void *pp_handle; | |
198 | const struct amd_ip_funcs *ip_funcs; | |
199 | const struct amd_powerplay_funcs *pp_funcs; | |
200 | }; | |
201 | ||
202 | int amd_powerplay_init(struct amd_pp_init *pp_init, | |
203 | struct amd_powerplay *amd_pp); | |
204 | int amd_powerplay_fini(void *handle); | |
205 | ||
206 | #endif /* _AMD_POWERPLAY_H_ */ |