1 /* 2 * Copyright 2017 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 24 #ifndef __KGD_PP_INTERFACE_H__ 25 #define __KGD_PP_INTERFACE_H__ 26 27 extern const struct amdgpu_ip_block_version pp_smu_ip_block; 28 29 struct amd_vce_state { 30 /* vce clocks */ 31 u32 evclk; 32 u32 ecclk; 33 /* gpu clocks */ 34 u32 sclk; 35 u32 mclk; 36 u8 clk_idx; 37 u8 pstate; 38 }; 39 40 41 enum amd_dpm_forced_level { 42 AMD_DPM_FORCED_LEVEL_AUTO = 0x1, 43 AMD_DPM_FORCED_LEVEL_MANUAL = 0x2, 44 AMD_DPM_FORCED_LEVEL_LOW = 0x4, 45 AMD_DPM_FORCED_LEVEL_HIGH = 0x8, 46 AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD = 0x10, 47 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK = 0x20, 48 AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK = 0x40, 49 AMD_DPM_FORCED_LEVEL_PROFILE_PEAK = 0x80, 50 AMD_DPM_FORCED_LEVEL_PROFILE_EXIT = 0x100, 51 }; 52 53 enum amd_pm_state_type { 54 /* not used for dpm */ 55 POWER_STATE_TYPE_DEFAULT, 56 POWER_STATE_TYPE_POWERSAVE, 57 /* user selectable states */ 58 POWER_STATE_TYPE_BATTERY, 59 POWER_STATE_TYPE_BALANCED, 60 POWER_STATE_TYPE_PERFORMANCE, 61 /* internal states */ 62 POWER_STATE_TYPE_INTERNAL_UVD, 63 POWER_STATE_TYPE_INTERNAL_UVD_SD, 64 POWER_STATE_TYPE_INTERNAL_UVD_HD, 65 POWER_STATE_TYPE_INTERNAL_UVD_HD2, 66 POWER_STATE_TYPE_INTERNAL_UVD_MVC, 67 POWER_STATE_TYPE_INTERNAL_BOOT, 68 POWER_STATE_TYPE_INTERNAL_THERMAL, 69 POWER_STATE_TYPE_INTERNAL_ACPI, 70 POWER_STATE_TYPE_INTERNAL_ULV, 71 POWER_STATE_TYPE_INTERNAL_3DPERF, 72 }; 73 74 #define AMD_MAX_VCE_LEVELS 6 75 76 enum amd_vce_level { 77 AMD_VCE_LEVEL_AC_ALL = 0, /* AC, All cases */ 78 AMD_VCE_LEVEL_DC_EE = 1, /* DC, entropy encoding */ 79 AMD_VCE_LEVEL_DC_LL_LOW = 2, /* DC, low latency queue, res <= 720 */ 80 AMD_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */ 81 AMD_VCE_LEVEL_DC_GP_LOW = 4, /* DC, general purpose queue, res <= 720 */ 82 AMD_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */ 83 }; 84 85 enum amd_fan_ctrl_mode { 86 AMD_FAN_CTRL_NONE = 0, 87 AMD_FAN_CTRL_MANUAL = 1, 88 AMD_FAN_CTRL_AUTO = 2, 89 }; 90 91 enum pp_clock_type { 92 PP_SCLK, 93 PP_MCLK, 94 PP_PCIE, 95 PP_SOCCLK, 96 PP_FCLK, 97 PP_DCEFCLK, 98 PP_VCLK, 99 PP_DCLK, 100 OD_SCLK, 101 OD_MCLK, 102 OD_VDDC_CURVE, 103 OD_RANGE, 104 OD_VDDGFX_OFFSET, 105 OD_CCLK, 106 }; 107 108 enum amd_pp_sensors { 109 AMDGPU_PP_SENSOR_GFX_SCLK = 0, 110 AMDGPU_PP_SENSOR_CPU_CLK, 111 AMDGPU_PP_SENSOR_VDDNB, 112 AMDGPU_PP_SENSOR_VDDGFX, 113 AMDGPU_PP_SENSOR_UVD_VCLK, 114 AMDGPU_PP_SENSOR_UVD_DCLK, 115 AMDGPU_PP_SENSOR_VCE_ECCLK, 116 AMDGPU_PP_SENSOR_GPU_LOAD, 117 AMDGPU_PP_SENSOR_MEM_LOAD, 118 AMDGPU_PP_SENSOR_GFX_MCLK, 119 AMDGPU_PP_SENSOR_GPU_TEMP, 120 AMDGPU_PP_SENSOR_EDGE_TEMP = AMDGPU_PP_SENSOR_GPU_TEMP, 121 AMDGPU_PP_SENSOR_HOTSPOT_TEMP, 122 AMDGPU_PP_SENSOR_MEM_TEMP, 123 AMDGPU_PP_SENSOR_VCE_POWER, 124 AMDGPU_PP_SENSOR_UVD_POWER, 125 AMDGPU_PP_SENSOR_GPU_POWER, 126 AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, 127 AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, 128 AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, 129 AMDGPU_PP_SENSOR_MIN_FAN_RPM, 130 AMDGPU_PP_SENSOR_MAX_FAN_RPM, 131 AMDGPU_PP_SENSOR_VCN_POWER_STATE, 132 }; 133 134 enum amd_pp_task { 135 AMD_PP_TASK_DISPLAY_CONFIG_CHANGE, 136 AMD_PP_TASK_ENABLE_USER_STATE, 137 AMD_PP_TASK_READJUST_POWER_STATE, 138 AMD_PP_TASK_COMPLETE_INIT, 139 AMD_PP_TASK_MAX 140 }; 141 142 enum PP_SMC_POWER_PROFILE { 143 PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT = 0x0, 144 PP_SMC_POWER_PROFILE_FULLSCREEN3D = 0x1, 145 PP_SMC_POWER_PROFILE_POWERSAVING = 0x2, 146 PP_SMC_POWER_PROFILE_VIDEO = 0x3, 147 PP_SMC_POWER_PROFILE_VR = 0x4, 148 PP_SMC_POWER_PROFILE_COMPUTE = 0x5, 149 PP_SMC_POWER_PROFILE_CUSTOM = 0x6, 150 PP_SMC_POWER_PROFILE_COUNT, 151 }; 152 153 enum { 154 PP_GROUP_UNKNOWN = 0, 155 PP_GROUP_GFX = 1, 156 PP_GROUP_SYS, 157 PP_GROUP_MAX 158 }; 159 160 enum PP_OD_DPM_TABLE_COMMAND { 161 PP_OD_EDIT_SCLK_VDDC_TABLE, 162 PP_OD_EDIT_MCLK_VDDC_TABLE, 163 PP_OD_EDIT_CCLK_VDDC_TABLE, 164 PP_OD_EDIT_VDDC_CURVE, 165 PP_OD_RESTORE_DEFAULT_TABLE, 166 PP_OD_COMMIT_DPM_TABLE, 167 PP_OD_EDIT_VDDGFX_OFFSET 168 }; 169 170 struct pp_states_info { 171 uint32_t nums; 172 uint32_t states[16]; 173 }; 174 175 enum PP_HWMON_TEMP { 176 PP_TEMP_EDGE = 0, 177 PP_TEMP_JUNCTION, 178 PP_TEMP_MEM, 179 PP_TEMP_MAX 180 }; 181 182 enum pp_mp1_state { 183 PP_MP1_STATE_NONE, 184 PP_MP1_STATE_SHUTDOWN, 185 PP_MP1_STATE_UNLOAD, 186 PP_MP1_STATE_RESET, 187 }; 188 189 enum pp_df_cstate { 190 DF_CSTATE_DISALLOW = 0, 191 DF_CSTATE_ALLOW, 192 }; 193 194 #define PP_GROUP_MASK 0xF0000000 195 #define PP_GROUP_SHIFT 28 196 197 #define PP_BLOCK_MASK 0x0FFFFF00 198 #define PP_BLOCK_SHIFT 8 199 200 #define PP_BLOCK_GFX_CG 0x01 201 #define PP_BLOCK_GFX_MG 0x02 202 #define PP_BLOCK_GFX_3D 0x04 203 #define PP_BLOCK_GFX_RLC 0x08 204 #define PP_BLOCK_GFX_CP 0x10 205 #define PP_BLOCK_SYS_BIF 0x01 206 #define PP_BLOCK_SYS_MC 0x02 207 #define PP_BLOCK_SYS_ROM 0x04 208 #define PP_BLOCK_SYS_DRM 0x08 209 #define PP_BLOCK_SYS_HDP 0x10 210 #define PP_BLOCK_SYS_SDMA 0x20 211 212 #define PP_STATE_MASK 0x0000000F 213 #define PP_STATE_SHIFT 0 214 #define PP_STATE_SUPPORT_MASK 0x000000F0 215 #define PP_STATE_SUPPORT_SHIFT 0 216 217 #define PP_STATE_CG 0x01 218 #define PP_STATE_LS 0x02 219 #define PP_STATE_DS 0x04 220 #define PP_STATE_SD 0x08 221 #define PP_STATE_SUPPORT_CG 0x10 222 #define PP_STATE_SUPPORT_LS 0x20 223 #define PP_STATE_SUPPORT_DS 0x40 224 #define PP_STATE_SUPPORT_SD 0x80 225 226 #define PP_CG_MSG_ID(group, block, support, state) \ 227 ((group) << PP_GROUP_SHIFT | (block) << PP_BLOCK_SHIFT | \ 228 (support) << PP_STATE_SUPPORT_SHIFT | (state) << PP_STATE_SHIFT) 229 230 #define XGMI_MODE_PSTATE_D3 0 231 #define XGMI_MODE_PSTATE_D0 1 232 233 struct seq_file; 234 enum amd_pp_clock_type; 235 struct amd_pp_simple_clock_info; 236 struct amd_pp_display_configuration; 237 struct amd_pp_clock_info; 238 struct pp_display_clock_request; 239 struct pp_clock_levels_with_voltage; 240 struct pp_clock_levels_with_latency; 241 struct amd_pp_clocks; 242 243 struct amd_pm_funcs { 244 /* export for dpm on ci and si */ 245 int (*pre_set_power_state)(void *handle); 246 int (*set_power_state)(void *handle); 247 void (*post_set_power_state)(void *handle); 248 void (*display_configuration_changed)(void *handle); 249 void (*print_power_state)(void *handle, void *ps); 250 bool (*vblank_too_short)(void *handle); 251 void (*enable_bapm)(void *handle, bool enable); 252 int (*check_state_equal)(void *handle, 253 void *cps, 254 void *rps, 255 bool *equal); 256 /* export for sysfs */ 257 void (*set_fan_control_mode)(void *handle, u32 mode); 258 u32 (*get_fan_control_mode)(void *handle); 259 int (*set_fan_speed_percent)(void *handle, u32 speed); 260 int (*get_fan_speed_percent)(void *handle, u32 *speed); 261 int (*force_clock_level)(void *handle, enum pp_clock_type type, uint32_t mask); 262 int (*print_clock_levels)(void *handle, enum pp_clock_type type, char *buf); 263 int (*force_performance_level)(void *handle, enum amd_dpm_forced_level level); 264 int (*get_sclk_od)(void *handle); 265 int (*set_sclk_od)(void *handle, uint32_t value); 266 int (*get_mclk_od)(void *handle); 267 int (*set_mclk_od)(void *handle, uint32_t value); 268 int (*read_sensor)(void *handle, int idx, void *value, int *size); 269 enum amd_dpm_forced_level (*get_performance_level)(void *handle); 270 enum amd_pm_state_type (*get_current_power_state)(void *handle); 271 int (*get_fan_speed_rpm)(void *handle, uint32_t *rpm); 272 int (*set_fan_speed_rpm)(void *handle, uint32_t rpm); 273 int (*get_pp_num_states)(void *handle, struct pp_states_info *data); 274 int (*get_pp_table)(void *handle, char **table); 275 int (*set_pp_table)(void *handle, const char *buf, size_t size); 276 void (*debugfs_print_current_performance_level)(void *handle, struct seq_file *m); 277 int (*switch_power_profile)(void *handle, enum PP_SMC_POWER_PROFILE type, bool en); 278 /* export to amdgpu */ 279 struct amd_vce_state *(*get_vce_clock_state)(void *handle, u32 idx); 280 int (*dispatch_tasks)(void *handle, enum amd_pp_task task_id, 281 enum amd_pm_state_type *user_state); 282 int (*load_firmware)(void *handle); 283 int (*wait_for_fw_loading_complete)(void *handle); 284 int (*set_powergating_by_smu)(void *handle, 285 uint32_t block_type, bool gate); 286 int (*set_clockgating_by_smu)(void *handle, uint32_t msg_id); 287 int (*set_power_limit)(void *handle, uint32_t n); 288 int (*get_power_limit)(void *handle, uint32_t *limit, bool default_limit); 289 int (*get_power_profile_mode)(void *handle, char *buf); 290 int (*set_power_profile_mode)(void *handle, long *input, uint32_t size); 291 int (*set_fine_grain_clk_vol)(void *handle, uint32_t type, long *input, uint32_t size); 292 int (*odn_edit_dpm_table)(void *handle, uint32_t type, long *input, uint32_t size); 293 int (*set_mp1_state)(void *handle, enum pp_mp1_state mp1_state); 294 int (*smu_i2c_bus_access)(void *handle, bool acquire); 295 int (*gfx_state_change_set)(void *handle, uint32_t state); 296 /* export to DC */ 297 u32 (*get_sclk)(void *handle, bool low); 298 u32 (*get_mclk)(void *handle, bool low); 299 int (*display_configuration_change)(void *handle, 300 const struct amd_pp_display_configuration *input); 301 int (*get_display_power_level)(void *handle, 302 struct amd_pp_simple_clock_info *output); 303 int (*get_current_clocks)(void *handle, 304 struct amd_pp_clock_info *clocks); 305 int (*get_clock_by_type)(void *handle, 306 enum amd_pp_clock_type type, 307 struct amd_pp_clocks *clocks); 308 int (*get_clock_by_type_with_latency)(void *handle, 309 enum amd_pp_clock_type type, 310 struct pp_clock_levels_with_latency *clocks); 311 int (*get_clock_by_type_with_voltage)(void *handle, 312 enum amd_pp_clock_type type, 313 struct pp_clock_levels_with_voltage *clocks); 314 int (*set_watermarks_for_clocks_ranges)(void *handle, 315 void *clock_ranges); 316 int (*display_clock_voltage_request)(void *handle, 317 struct pp_display_clock_request *clock); 318 int (*get_display_mode_validation_clocks)(void *handle, 319 struct amd_pp_simple_clock_info *clocks); 320 int (*notify_smu_enable_pwe)(void *handle); 321 int (*enable_mgpu_fan_boost)(void *handle); 322 int (*set_active_display_count)(void *handle, uint32_t count); 323 int (*set_hard_min_dcefclk_by_freq)(void *handle, uint32_t clock); 324 int (*set_hard_min_fclk_by_freq)(void *handle, uint32_t clock); 325 int (*set_min_deep_sleep_dcefclk)(void *handle, uint32_t clock); 326 int (*get_asic_baco_capability)(void *handle, bool *cap); 327 int (*get_asic_baco_state)(void *handle, int *state); 328 int (*set_asic_baco_state)(void *handle, int state); 329 int (*get_ppfeature_status)(void *handle, char *buf); 330 int (*set_ppfeature_status)(void *handle, uint64_t ppfeature_masks); 331 int (*asic_reset_mode_2)(void *handle); 332 int (*set_df_cstate)(void *handle, enum pp_df_cstate state); 333 int (*set_xgmi_pstate)(void *handle, uint32_t pstate); 334 ssize_t (*get_gpu_metrics)(void *handle, void **table); 335 }; 336 337 struct metrics_table_header { 338 uint16_t structure_size; 339 uint8_t format_revision; 340 uint8_t content_revision; 341 }; 342 343 /* 344 * gpu_metrics_v1_0 is not recommended as it's not naturally aligned. 345 * Use gpu_metrics_v1_1 or later instead. 346 */ 347 struct gpu_metrics_v1_0 { 348 struct metrics_table_header common_header; 349 350 /* Driver attached timestamp (in ns) */ 351 uint64_t system_clock_counter; 352 353 /* Temperature */ 354 uint16_t temperature_edge; 355 uint16_t temperature_hotspot; 356 uint16_t temperature_mem; 357 uint16_t temperature_vrgfx; 358 uint16_t temperature_vrsoc; 359 uint16_t temperature_vrmem; 360 361 /* Utilization */ 362 uint16_t average_gfx_activity; 363 uint16_t average_umc_activity; // memory controller 364 uint16_t average_mm_activity; // UVD or VCN 365 366 /* Power/Energy */ 367 uint16_t average_socket_power; 368 uint32_t energy_accumulator; 369 370 /* Average clocks */ 371 uint16_t average_gfxclk_frequency; 372 uint16_t average_socclk_frequency; 373 uint16_t average_uclk_frequency; 374 uint16_t average_vclk0_frequency; 375 uint16_t average_dclk0_frequency; 376 uint16_t average_vclk1_frequency; 377 uint16_t average_dclk1_frequency; 378 379 /* Current clocks */ 380 uint16_t current_gfxclk; 381 uint16_t current_socclk; 382 uint16_t current_uclk; 383 uint16_t current_vclk0; 384 uint16_t current_dclk0; 385 uint16_t current_vclk1; 386 uint16_t current_dclk1; 387 388 /* Throttle status */ 389 uint32_t throttle_status; 390 391 /* Fans */ 392 uint16_t current_fan_speed; 393 394 /* Link width/speed */ 395 uint8_t pcie_link_width; 396 uint8_t pcie_link_speed; // in 0.1 GT/s 397 }; 398 399 struct gpu_metrics_v1_1 { 400 struct metrics_table_header common_header; 401 402 /* Temperature */ 403 uint16_t temperature_edge; 404 uint16_t temperature_hotspot; 405 uint16_t temperature_mem; 406 uint16_t temperature_vrgfx; 407 uint16_t temperature_vrsoc; 408 uint16_t temperature_vrmem; 409 410 /* Utilization */ 411 uint16_t average_gfx_activity; 412 uint16_t average_umc_activity; // memory controller 413 uint16_t average_mm_activity; // UVD or VCN 414 415 /* Power/Energy */ 416 uint16_t average_socket_power; 417 uint64_t energy_accumulator; 418 419 /* Driver attached timestamp (in ns) */ 420 uint64_t system_clock_counter; 421 422 /* Average clocks */ 423 uint16_t average_gfxclk_frequency; 424 uint16_t average_socclk_frequency; 425 uint16_t average_uclk_frequency; 426 uint16_t average_vclk0_frequency; 427 uint16_t average_dclk0_frequency; 428 uint16_t average_vclk1_frequency; 429 uint16_t average_dclk1_frequency; 430 431 /* Current clocks */ 432 uint16_t current_gfxclk; 433 uint16_t current_socclk; 434 uint16_t current_uclk; 435 uint16_t current_vclk0; 436 uint16_t current_dclk0; 437 uint16_t current_vclk1; 438 uint16_t current_dclk1; 439 440 /* Throttle status */ 441 uint32_t throttle_status; 442 443 /* Fans */ 444 uint16_t current_fan_speed; 445 446 /* Link width/speed */ 447 uint16_t pcie_link_width; 448 uint16_t pcie_link_speed; // in 0.1 GT/s 449 450 uint16_t padding; 451 }; 452 453 /* 454 * gpu_metrics_v2_0 is not recommended as it's not naturally aligned. 455 * Use gpu_metrics_v2_1 or later instead. 456 */ 457 struct gpu_metrics_v2_0 { 458 struct metrics_table_header common_header; 459 460 /* Driver attached timestamp (in ns) */ 461 uint64_t system_clock_counter; 462 463 /* Temperature */ 464 uint16_t temperature_gfx; // gfx temperature on APUs 465 uint16_t temperature_soc; // soc temperature on APUs 466 uint16_t temperature_core[8]; // CPU core temperature on APUs 467 uint16_t temperature_l3[2]; 468 469 /* Utilization */ 470 uint16_t average_gfx_activity; 471 uint16_t average_mm_activity; // UVD or VCN 472 473 /* Power/Energy */ 474 uint16_t average_socket_power; // dGPU + APU power on A + A platform 475 uint16_t average_cpu_power; 476 uint16_t average_soc_power; 477 uint16_t average_gfx_power; 478 uint16_t average_core_power[8]; // CPU core power on APUs 479 480 /* Average clocks */ 481 uint16_t average_gfxclk_frequency; 482 uint16_t average_socclk_frequency; 483 uint16_t average_uclk_frequency; 484 uint16_t average_fclk_frequency; 485 uint16_t average_vclk_frequency; 486 uint16_t average_dclk_frequency; 487 488 /* Current clocks */ 489 uint16_t current_gfxclk; 490 uint16_t current_socclk; 491 uint16_t current_uclk; 492 uint16_t current_fclk; 493 uint16_t current_vclk; 494 uint16_t current_dclk; 495 uint16_t current_coreclk[8]; // CPU core clocks 496 uint16_t current_l3clk[2]; 497 498 /* Throttle status */ 499 uint32_t throttle_status; 500 501 /* Fans */ 502 uint16_t fan_pwm; 503 504 uint16_t padding; 505 }; 506 507 struct gpu_metrics_v2_1 { 508 struct metrics_table_header common_header; 509 510 /* Temperature */ 511 uint16_t temperature_gfx; // gfx temperature on APUs 512 uint16_t temperature_soc; // soc temperature on APUs 513 uint16_t temperature_core[8]; // CPU core temperature on APUs 514 uint16_t temperature_l3[2]; 515 516 /* Utilization */ 517 uint16_t average_gfx_activity; 518 uint16_t average_mm_activity; // UVD or VCN 519 520 /* Driver attached timestamp (in ns) */ 521 uint64_t system_clock_counter; 522 523 /* Power/Energy */ 524 uint16_t average_socket_power; // dGPU + APU power on A + A platform 525 uint16_t average_cpu_power; 526 uint16_t average_soc_power; 527 uint16_t average_gfx_power; 528 uint16_t average_core_power[8]; // CPU core power on APUs 529 530 /* Average clocks */ 531 uint16_t average_gfxclk_frequency; 532 uint16_t average_socclk_frequency; 533 uint16_t average_uclk_frequency; 534 uint16_t average_fclk_frequency; 535 uint16_t average_vclk_frequency; 536 uint16_t average_dclk_frequency; 537 538 /* Current clocks */ 539 uint16_t current_gfxclk; 540 uint16_t current_socclk; 541 uint16_t current_uclk; 542 uint16_t current_fclk; 543 uint16_t current_vclk; 544 uint16_t current_dclk; 545 uint16_t current_coreclk[8]; // CPU core clocks 546 uint16_t current_l3clk[2]; 547 548 /* Throttle status */ 549 uint32_t throttle_status; 550 551 /* Fans */ 552 uint16_t fan_pwm; 553 554 uint16_t padding[3]; 555 }; 556 557 #endif 558