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_SHARED_H__ 24 #define __AMD_SHARED_H__ 25 26 #include <drm/amd_asic_type.h> 27 #include <drm/drm_print.h> 28 29 30 #define AMD_MAX_USEC_TIMEOUT 1000000 /* 1000 ms */ 31 struct amdgpu_ip_block; 32 33 34 /* 35 * Chip flags 36 */ 37 enum amd_chip_flags { 38 AMD_ASIC_MASK = 0x0000ffffUL, 39 AMD_FLAGS_MASK = 0xffff0000UL, 40 AMD_IS_MOBILITY = 0x00010000UL, 41 AMD_IS_APU = 0x00020000UL, 42 AMD_IS_PX = 0x00040000UL, 43 AMD_EXP_HW_SUPPORT = 0x00080000UL, 44 }; 45 46 enum amd_apu_flags { 47 AMD_APU_IS_RAVEN = 0x00000001UL, 48 AMD_APU_IS_RAVEN2 = 0x00000002UL, 49 AMD_APU_IS_PICASSO = 0x00000004UL, 50 AMD_APU_IS_RENOIR = 0x00000008UL, 51 AMD_APU_IS_GREEN_SARDINE = 0x00000010UL, 52 AMD_APU_IS_VANGOGH = 0x00000020UL, 53 AMD_APU_IS_CYAN_SKILLFISH2 = 0x00000040UL, 54 }; 55 56 /** 57 * DOC: IP Blocks 58 * 59 * GPUs are composed of IP (intellectual property) blocks. These 60 * IP blocks provide various functionalities: display, graphics, 61 * video decode, etc. The IP blocks that comprise a particular GPU 62 * are listed in the GPU's respective SoC file. amdgpu_device.c 63 * acquires the list of IP blocks for the GPU in use on initialization. 64 * It can then operate on this list to perform standard driver operations 65 * such as: init, fini, suspend, resume, etc. 66 * 67 * 68 * IP block implementations are named using the following convention: 69 * <functionality>_v<version> (E.g.: gfx_v6_0). 70 */ 71 72 /** 73 * enum amd_ip_block_type - Used to classify IP blocks by functionality. 74 * 75 * @AMD_IP_BLOCK_TYPE_COMMON: GPU Family 76 * @AMD_IP_BLOCK_TYPE_GMC: Graphics Memory Controller 77 * @AMD_IP_BLOCK_TYPE_IH: Interrupt Handler 78 * @AMD_IP_BLOCK_TYPE_SMC: System Management Controller 79 * @AMD_IP_BLOCK_TYPE_PSP: Platform Security Processor 80 * @AMD_IP_BLOCK_TYPE_DCE: Display and Compositing Engine 81 * @AMD_IP_BLOCK_TYPE_GFX: Graphics and Compute Engine 82 * @AMD_IP_BLOCK_TYPE_SDMA: System DMA Engine 83 * @AMD_IP_BLOCK_TYPE_UVD: Unified Video Decoder 84 * @AMD_IP_BLOCK_TYPE_VCE: Video Compression Engine 85 * @AMD_IP_BLOCK_TYPE_ACP: Audio Co-Processor 86 * @AMD_IP_BLOCK_TYPE_VCN: Video Core/Codec Next 87 * @AMD_IP_BLOCK_TYPE_MES: Micro-Engine Scheduler 88 * @AMD_IP_BLOCK_TYPE_JPEG: JPEG Engine 89 * @AMD_IP_BLOCK_TYPE_VPE: Video Processing Engine 90 * @AMD_IP_BLOCK_TYPE_UMSCH_MM: User Mode Scheduler for Multimedia 91 * @AMD_IP_BLOCK_TYPE_ISP: Image Signal Processor 92 * @AMD_IP_BLOCK_TYPE_NUM: Total number of IP block types 93 */ 94 enum amd_ip_block_type { 95 AMD_IP_BLOCK_TYPE_COMMON, 96 AMD_IP_BLOCK_TYPE_GMC, 97 AMD_IP_BLOCK_TYPE_IH, 98 AMD_IP_BLOCK_TYPE_SMC, 99 AMD_IP_BLOCK_TYPE_PSP, 100 AMD_IP_BLOCK_TYPE_DCE, 101 AMD_IP_BLOCK_TYPE_GFX, 102 AMD_IP_BLOCK_TYPE_SDMA, 103 AMD_IP_BLOCK_TYPE_UVD, 104 AMD_IP_BLOCK_TYPE_VCE, 105 AMD_IP_BLOCK_TYPE_ACP, 106 AMD_IP_BLOCK_TYPE_VCN, 107 AMD_IP_BLOCK_TYPE_MES, 108 AMD_IP_BLOCK_TYPE_JPEG, 109 AMD_IP_BLOCK_TYPE_VPE, 110 AMD_IP_BLOCK_TYPE_UMSCH_MM, 111 AMD_IP_BLOCK_TYPE_ISP, 112 AMD_IP_BLOCK_TYPE_RAS, 113 AMD_IP_BLOCK_TYPE_NUM, 114 }; 115 116 enum amd_clockgating_state { 117 AMD_CG_STATE_GATE = 0, 118 AMD_CG_STATE_UNGATE, 119 }; 120 121 122 enum amd_powergating_state { 123 AMD_PG_STATE_GATE = 0, 124 AMD_PG_STATE_UNGATE, 125 }; 126 127 128 /* CG flags */ 129 #define AMD_CG_SUPPORT_GFX_MGCG (1ULL << 0) 130 #define AMD_CG_SUPPORT_GFX_MGLS (1ULL << 1) 131 #define AMD_CG_SUPPORT_GFX_CGCG (1ULL << 2) 132 #define AMD_CG_SUPPORT_GFX_CGLS (1ULL << 3) 133 #define AMD_CG_SUPPORT_GFX_CGTS (1ULL << 4) 134 #define AMD_CG_SUPPORT_GFX_CGTS_LS (1ULL << 5) 135 #define AMD_CG_SUPPORT_GFX_CP_LS (1ULL << 6) 136 #define AMD_CG_SUPPORT_GFX_RLC_LS (1ULL << 7) 137 #define AMD_CG_SUPPORT_MC_LS (1ULL << 8) 138 #define AMD_CG_SUPPORT_MC_MGCG (1ULL << 9) 139 #define AMD_CG_SUPPORT_SDMA_LS (1ULL << 10) 140 #define AMD_CG_SUPPORT_SDMA_MGCG (1ULL << 11) 141 #define AMD_CG_SUPPORT_BIF_LS (1ULL << 12) 142 #define AMD_CG_SUPPORT_UVD_MGCG (1ULL << 13) 143 #define AMD_CG_SUPPORT_VCE_MGCG (1ULL << 14) 144 #define AMD_CG_SUPPORT_HDP_LS (1ULL << 15) 145 #define AMD_CG_SUPPORT_HDP_MGCG (1ULL << 16) 146 #define AMD_CG_SUPPORT_ROM_MGCG (1ULL << 17) 147 #define AMD_CG_SUPPORT_DRM_LS (1ULL << 18) 148 #define AMD_CG_SUPPORT_BIF_MGCG (1ULL << 19) 149 #define AMD_CG_SUPPORT_GFX_3D_CGCG (1ULL << 20) 150 #define AMD_CG_SUPPORT_GFX_3D_CGLS (1ULL << 21) 151 #define AMD_CG_SUPPORT_DRM_MGCG (1ULL << 22) 152 #define AMD_CG_SUPPORT_DF_MGCG (1ULL << 23) 153 #define AMD_CG_SUPPORT_VCN_MGCG (1ULL << 24) 154 #define AMD_CG_SUPPORT_HDP_DS (1ULL << 25) 155 #define AMD_CG_SUPPORT_HDP_SD (1ULL << 26) 156 #define AMD_CG_SUPPORT_IH_CG (1ULL << 27) 157 #define AMD_CG_SUPPORT_ATHUB_LS (1ULL << 28) 158 #define AMD_CG_SUPPORT_ATHUB_MGCG (1ULL << 29) 159 #define AMD_CG_SUPPORT_JPEG_MGCG (1ULL << 30) 160 #define AMD_CG_SUPPORT_GFX_FGCG (1ULL << 31) 161 #define AMD_CG_SUPPORT_REPEATER_FGCG (1ULL << 32) 162 #define AMD_CG_SUPPORT_GFX_PERF_CLK (1ULL << 33) 163 /* PG flags */ 164 #define AMD_PG_SUPPORT_GFX_PG (1 << 0) 165 #define AMD_PG_SUPPORT_GFX_SMG (1 << 1) 166 #define AMD_PG_SUPPORT_GFX_DMG (1 << 2) 167 #define AMD_PG_SUPPORT_UVD (1 << 3) 168 #define AMD_PG_SUPPORT_VCE (1 << 4) 169 #define AMD_PG_SUPPORT_CP (1 << 5) 170 #define AMD_PG_SUPPORT_GDS (1 << 6) 171 #define AMD_PG_SUPPORT_RLC_SMU_HS (1 << 7) 172 #define AMD_PG_SUPPORT_SDMA (1 << 8) 173 #define AMD_PG_SUPPORT_ACP (1 << 9) 174 #define AMD_PG_SUPPORT_SAMU (1 << 10) 175 #define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11) 176 #define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12) 177 #define AMD_PG_SUPPORT_MMHUB (1 << 13) 178 #define AMD_PG_SUPPORT_VCN (1 << 14) 179 #define AMD_PG_SUPPORT_VCN_DPG (1 << 15) 180 #define AMD_PG_SUPPORT_ATHUB (1 << 16) 181 #define AMD_PG_SUPPORT_JPEG (1 << 17) 182 #define AMD_PG_SUPPORT_IH_SRAM_PG (1 << 18) 183 #define AMD_PG_SUPPORT_JPEG_DPG (1 << 19) 184 185 /** 186 * enum PP_FEATURE_MASK - Used to mask power play features. 187 * 188 * @PP_SCLK_DPM_MASK: Dynamic adjustment of the system (graphics) clock. 189 * @PP_MCLK_DPM_MASK: Dynamic adjustment of the memory clock. 190 * @PP_PCIE_DPM_MASK: Dynamic adjustment of PCIE clocks and lanes. 191 * @PP_SCLK_DEEP_SLEEP_MASK: System (graphics) clock deep sleep. 192 * @PP_POWER_CONTAINMENT_MASK: Power containment. 193 * @PP_UVD_HANDSHAKE_MASK: Unified video decoder handshake. 194 * @PP_SMC_VOLTAGE_CONTROL_MASK: Dynamic voltage control. 195 * @PP_VBI_TIME_SUPPORT_MASK: Vertical blank interval support. 196 * @PP_ULV_MASK: Ultra low voltage. 197 * @PP_ENABLE_GFX_CG_THRU_SMU: SMU control of GFX engine clockgating. 198 * @PP_CLOCK_STRETCH_MASK: Clock stretching. 199 * @PP_OD_FUZZY_FAN_CONTROL_MASK: Overdrive fuzzy fan control. 200 * @PP_SOCCLK_DPM_MASK: Dynamic adjustment of the SoC clock. 201 * @PP_DCEFCLK_DPM_MASK: Dynamic adjustment of the Display Controller Engine Fabric clock. 202 * @PP_OVERDRIVE_MASK: Over- and under-clocking support. 203 * @PP_GFXOFF_MASK: Dynamic graphics engine power control. 204 * @PP_ACG_MASK: Adaptive clock generator. 205 * @PP_STUTTER_MODE: Stutter mode. 206 * @PP_AVFS_MASK: Adaptive voltage and frequency scaling. 207 * @PP_GFX_DCS_MASK: GFX Async DCS. 208 * 209 * To override these settings on boot, append amdgpu.ppfeaturemask=<mask> to 210 * the kernel's command line parameters. This is usually done through a system's 211 * boot loader (E.g. GRUB). If manually loading the driver, pass 212 * ppfeaturemask=<mask> as a modprobe parameter. 213 */ 214 enum PP_FEATURE_MASK { 215 PP_SCLK_DPM_MASK = 0x1, 216 PP_MCLK_DPM_MASK = 0x2, 217 PP_PCIE_DPM_MASK = 0x4, 218 PP_SCLK_DEEP_SLEEP_MASK = 0x8, 219 PP_POWER_CONTAINMENT_MASK = 0x10, 220 PP_UVD_HANDSHAKE_MASK = 0x20, 221 PP_SMC_VOLTAGE_CONTROL_MASK = 0x40, 222 PP_VBI_TIME_SUPPORT_MASK = 0x80, 223 PP_ULV_MASK = 0x100, 224 PP_ENABLE_GFX_CG_THRU_SMU = 0x200, 225 PP_CLOCK_STRETCH_MASK = 0x400, 226 PP_OD_FUZZY_FAN_CONTROL_MASK = 0x800, 227 PP_SOCCLK_DPM_MASK = 0x1000, 228 PP_DCEFCLK_DPM_MASK = 0x2000, 229 PP_OVERDRIVE_MASK = 0x4000, 230 PP_GFXOFF_MASK = 0x8000, 231 PP_ACG_MASK = 0x10000, 232 PP_STUTTER_MODE = 0x20000, 233 PP_AVFS_MASK = 0x40000, 234 PP_GFX_DCS_MASK = 0x80000, 235 }; 236 237 enum amd_harvest_ip_mask { 238 AMD_HARVEST_IP_VCN_MASK = 0x1, 239 AMD_HARVEST_IP_JPEG_MASK = 0x2, 240 AMD_HARVEST_IP_DMU_MASK = 0x4, 241 }; 242 243 /** 244 * enum DC_FEATURE_MASK - Bits that control DC feature defaults 245 */ 246 enum DC_FEATURE_MASK { 247 //Default value can be found at "uint amdgpu_dc_feature_mask" 248 /** 249 * @DC_FBC_MASK: (0x1) disabled by default 250 */ 251 DC_FBC_MASK = (1 << 0), 252 /** 253 * @DC_MULTI_MON_PP_MCLK_SWITCH_MASK: (0x2) enabled by default 254 */ 255 DC_MULTI_MON_PP_MCLK_SWITCH_MASK = (1 << 1), 256 /** 257 * @DC_DISABLE_FRACTIONAL_PWM_MASK: (0x4) disabled by default 258 */ 259 DC_DISABLE_FRACTIONAL_PWM_MASK = (1 << 2), 260 /** 261 * @DC_PSR_MASK: (0x8) disabled by default for DCN < 3.1 262 */ 263 DC_PSR_MASK = (1 << 3), 264 /** 265 * @DC_EDP_NO_POWER_SEQUENCING: (0x10) disabled by default 266 */ 267 DC_EDP_NO_POWER_SEQUENCING = (1 << 4), 268 /** 269 * @DC_DISABLE_LTTPR_DP1_4A: (0x20) disabled by default 270 */ 271 DC_DISABLE_LTTPR_DP1_4A = (1 << 5), 272 /** 273 * @DC_DISABLE_LTTPR_DP2_0: (0x40) disabled by default 274 */ 275 DC_DISABLE_LTTPR_DP2_0 = (1 << 6), 276 /** 277 * @DC_PSR_ALLOW_SMU_OPT: (0x80) disabled by default 278 */ 279 DC_PSR_ALLOW_SMU_OPT = (1 << 7), 280 /** 281 * @DC_PSR_ALLOW_MULTI_DISP_OPT: (0x100) disabled by default 282 */ 283 DC_PSR_ALLOW_MULTI_DISP_OPT = (1 << 8), 284 /** 285 * @DC_REPLAY_MASK: (0x200) disabled by default for DCN < 3.1.4 286 */ 287 DC_REPLAY_MASK = (1 << 9), 288 }; 289 290 /** 291 * enum DC_DEBUG_MASK - Bits that are useful for debugging the Display Core IP 292 */ 293 enum DC_DEBUG_MASK { 294 /** 295 * @DC_DISABLE_PIPE_SPLIT: (0x1) If set, disable pipe-splitting 296 */ 297 DC_DISABLE_PIPE_SPLIT = 0x1, 298 299 /** 300 * @DC_DISABLE_STUTTER: (0x2) If set, disable memory stutter mode 301 */ 302 DC_DISABLE_STUTTER = 0x2, 303 304 /** 305 * @DC_DISABLE_DSC: (0x4) If set, disable display stream compression 306 */ 307 DC_DISABLE_DSC = 0x4, 308 309 /** 310 * @DC_DISABLE_CLOCK_GATING: (0x8) If set, disable clock gating optimizations 311 */ 312 DC_DISABLE_CLOCK_GATING = 0x8, 313 314 /** 315 * @DC_DISABLE_PSR: (0x10) If set, disable Panel self refresh v1 and PSR-SU 316 */ 317 DC_DISABLE_PSR = 0x10, 318 319 /** 320 * @DC_FORCE_SUBVP_MCLK_SWITCH: (0x20) If set, force mclk switch in subvp, even 321 * if mclk switch in vblank is possible 322 */ 323 DC_FORCE_SUBVP_MCLK_SWITCH = 0x20, 324 325 /** 326 * @DC_DISABLE_MPO: (0x40) If set, disable multi-plane offloading 327 */ 328 DC_DISABLE_MPO = 0x40, 329 330 /** 331 * @DC_ENABLE_DPIA_TRACE: (0x80) If set, enable trace logging for DPIA 332 */ 333 DC_ENABLE_DPIA_TRACE = 0x80, 334 335 /** 336 * @DC_ENABLE_DML2: (0x100) If set, force usage of DML2, even if the DCN version 337 * does not default to it. 338 */ 339 DC_ENABLE_DML2 = 0x100, 340 341 /** 342 * @DC_DISABLE_PSR_SU: (0x200) If set, disable PSR SU 343 */ 344 DC_DISABLE_PSR_SU = 0x200, 345 346 /** 347 * @DC_DISABLE_REPLAY: (0x400) If set, disable Panel Replay 348 */ 349 DC_DISABLE_REPLAY = 0x400, 350 351 /** 352 * @DC_DISABLE_IPS: (0x800) If set, disable all Idle Power States, all the time. 353 * If more than one IPS debug bit is set, the lowest bit takes 354 * precedence. For example, if DC_FORCE_IPS_ENABLE and 355 * DC_DISABLE_IPS_DYNAMIC are set, then DC_DISABLE_IPS_DYNAMIC takes 356 * precedence. 357 */ 358 DC_DISABLE_IPS = 0x800, 359 360 /** 361 * @DC_DISABLE_IPS_DYNAMIC: (0x1000) If set, disable all IPS, all the time, 362 * *except* when driver goes into suspend. 363 */ 364 DC_DISABLE_IPS_DYNAMIC = 0x1000, 365 366 /** 367 * @DC_DISABLE_IPS2_DYNAMIC: (0x2000) If set, disable IPS2 (IPS1 allowed) if 368 * there is an enabled display. Otherwise, enable all IPS. 369 */ 370 DC_DISABLE_IPS2_DYNAMIC = 0x2000, 371 372 /** 373 * @DC_FORCE_IPS_ENABLE: (0x4000) If set, force enable all IPS, all the time. 374 */ 375 DC_FORCE_IPS_ENABLE = 0x4000, 376 /** 377 * @DC_DISABLE_ACPI_EDID: (0x8000) If set, don't attempt to fetch EDID for 378 * eDP display from ACPI _DDC method. 379 */ 380 DC_DISABLE_ACPI_EDID = 0x8000, 381 382 /** 383 * @DC_DISABLE_HDMI_CEC: (0x10000) If set, disable HDMI-CEC feature in amdgpu driver. 384 */ 385 DC_DISABLE_HDMI_CEC = 0x10000, 386 387 /** 388 * @DC_DISABLE_SUBVP_FAMS: (0x20000) If set, disable DCN Sub-Viewport & Firmware Assisted 389 * Memory Clock Switching (FAMS) feature in amdgpu driver. 390 */ 391 DC_DISABLE_SUBVP_FAMS = 0x20000, 392 /** 393 * @DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE: (0x40000) If set, disable support for custom 394 * brightness curves 395 */ 396 DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE = 0x40000, 397 398 /** 399 * @DC_HDCP_LC_FORCE_FW_ENABLE: (0x80000) If set, use HDCP Locality Check FW 400 * path regardless of reported HW capabilities. 401 */ 402 DC_HDCP_LC_FORCE_FW_ENABLE = 0x80000, 403 404 /** 405 * @DC_HDCP_LC_ENABLE_SW_FALLBACK: (0x100000) If set, upon HDCP Locality Check FW 406 * path failure, retry using legacy SW path. 407 */ 408 DC_HDCP_LC_ENABLE_SW_FALLBACK = 0x100000, 409 410 /** 411 * @DC_SKIP_DETECTION_LT: (0x200000) If set, skip detection link training 412 */ 413 DC_SKIP_DETECTION_LT = 0x200000, 414 }; 415 416 enum amd_dpm_forced_level; 417 418 /** 419 * struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks 420 * @name: Name of IP block 421 * @early_init: sets up early driver state (pre sw_init), 422 * does not configure hw - Optional 423 * @late_init: sets up late driver/hw state (post hw_init) - Optional 424 * @sw_init: sets up driver state, does not configure hw 425 * @sw_fini: tears down driver state, does not configure hw 426 * @early_fini: tears down stuff before dev detached from driver 427 * @hw_init: sets up the hw state 428 * @hw_fini: tears down the hw state 429 * @late_fini: final cleanup 430 * @prepare_suspend: handle IP specific changes to prepare for suspend 431 * (such as allocating any required memory) 432 * @suspend: handles IP specific hw/sw changes for suspend 433 * @resume: handles IP specific hw/sw changes for resume 434 * @complete: handles IP specific changes after resume 435 * @is_idle: returns current IP block idle status 436 * @wait_for_idle: poll for idle 437 * @check_soft_reset: check soft reset the IP block 438 * @pre_soft_reset: pre soft reset the IP block 439 * @soft_reset: soft reset the IP block 440 * @post_soft_reset: post soft reset the IP block 441 * @set_clockgating_state: enable/disable cg for the IP block 442 * @set_powergating_state: enable/disable pg for the IP block 443 * @get_clockgating_state: get current clockgating status 444 * @dump_ip_state: dump the IP state of the ASIC during a gpu hang 445 * @print_ip_state: print the IP state in devcoredump for each IP of the ASIC 446 * 447 * These hooks provide an interface for controlling the operational state 448 * of IP blocks. After acquiring a list of IP blocks for the GPU in use, 449 * the driver can make chip-wide state changes by walking this list and 450 * making calls to hooks from each IP block. This list is ordered to ensure 451 * that the driver initializes the IP blocks in a safe sequence. 452 */ 453 struct amd_ip_funcs { 454 char *name; 455 int (*early_init)(struct amdgpu_ip_block *ip_block); 456 int (*late_init)(struct amdgpu_ip_block *ip_block); 457 int (*sw_init)(struct amdgpu_ip_block *ip_block); 458 int (*sw_fini)(struct amdgpu_ip_block *ip_block); 459 int (*early_fini)(struct amdgpu_ip_block *ip_block); 460 int (*hw_init)(struct amdgpu_ip_block *ip_block); 461 int (*hw_fini)(struct amdgpu_ip_block *ip_block); 462 void (*late_fini)(struct amdgpu_ip_block *ip_block); 463 int (*prepare_suspend)(struct amdgpu_ip_block *ip_block); 464 int (*suspend)(struct amdgpu_ip_block *ip_block); 465 int (*resume)(struct amdgpu_ip_block *ip_block); 466 void (*complete)(struct amdgpu_ip_block *ip_block); 467 bool (*is_idle)(struct amdgpu_ip_block *ip_block); 468 int (*wait_for_idle)(struct amdgpu_ip_block *ip_block); 469 bool (*check_soft_reset)(struct amdgpu_ip_block *ip_block); 470 int (*pre_soft_reset)(struct amdgpu_ip_block *ip_block); 471 int (*soft_reset)(struct amdgpu_ip_block *ip_block); 472 int (*post_soft_reset)(struct amdgpu_ip_block *ip_block); 473 int (*set_clockgating_state)(struct amdgpu_ip_block *ip_block, 474 enum amd_clockgating_state state); 475 int (*set_powergating_state)(struct amdgpu_ip_block *ip_block, 476 enum amd_powergating_state state); 477 void (*get_clockgating_state)(struct amdgpu_ip_block *ip_block, u64 *flags); 478 void (*dump_ip_state)(struct amdgpu_ip_block *ip_block); 479 void (*print_ip_state)(struct amdgpu_ip_block *ip_block, struct drm_printer *p); 480 }; 481 482 483 #endif /* __AMD_SHARED_H__ */ 484