/* * Copyright 2015 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __AMD_SHARED_H__ #define __AMD_SHARED_H__ #include #include #define AMD_MAX_USEC_TIMEOUT 1000000 /* 1000 ms */ /* * Chip flags */ enum amd_chip_flags { AMD_ASIC_MASK = 0x0000ffffUL, AMD_FLAGS_MASK = 0xffff0000UL, AMD_IS_MOBILITY = 0x00010000UL, AMD_IS_APU = 0x00020000UL, AMD_IS_PX = 0x00040000UL, AMD_EXP_HW_SUPPORT = 0x00080000UL, }; enum amd_apu_flags { AMD_APU_IS_RAVEN = 0x00000001UL, AMD_APU_IS_RAVEN2 = 0x00000002UL, AMD_APU_IS_PICASSO = 0x00000004UL, AMD_APU_IS_RENOIR = 0x00000008UL, AMD_APU_IS_GREEN_SARDINE = 0x00000010UL, AMD_APU_IS_VANGOGH = 0x00000020UL, AMD_APU_IS_CYAN_SKILLFISH2 = 0x00000040UL, }; /** * DOC: IP Blocks * * GPUs are composed of IP (intellectual property) blocks. These * IP blocks provide various functionalities: display, graphics, * video decode, etc. The IP blocks that comprise a particular GPU * are listed in the GPU's respective SoC file. amdgpu_device.c * acquires the list of IP blocks for the GPU in use on initialization. * It can then operate on this list to perform standard driver operations * such as: init, fini, suspend, resume, etc. * * * IP block implementations are named using the following convention: * _v (E.g.: gfx_v6_0). */ /** * enum amd_ip_block_type - Used to classify IP blocks by functionality. * * @AMD_IP_BLOCK_TYPE_COMMON: GPU Family * @AMD_IP_BLOCK_TYPE_GMC: Graphics Memory Controller * @AMD_IP_BLOCK_TYPE_IH: Interrupt Handler * @AMD_IP_BLOCK_TYPE_SMC: System Management Controller * @AMD_IP_BLOCK_TYPE_PSP: Platform Security Processor * @AMD_IP_BLOCK_TYPE_DCE: Display and Compositing Engine * @AMD_IP_BLOCK_TYPE_GFX: Graphics and Compute Engine * @AMD_IP_BLOCK_TYPE_SDMA: System DMA Engine * @AMD_IP_BLOCK_TYPE_UVD: Unified Video Decoder * @AMD_IP_BLOCK_TYPE_VCE: Video Compression Engine * @AMD_IP_BLOCK_TYPE_ACP: Audio Co-Processor * @AMD_IP_BLOCK_TYPE_VCN: Video Core/Codec Next * @AMD_IP_BLOCK_TYPE_MES: Micro-Engine Scheduler * @AMD_IP_BLOCK_TYPE_JPEG: JPEG Engine * @AMD_IP_BLOCK_TYPE_VPE: Video Processing Engine * @AMD_IP_BLOCK_TYPE_UMSCH_MM: User Mode Scheduler for Multimedia * @AMD_IP_BLOCK_TYPE_ISP: Image Signal Processor * @AMD_IP_BLOCK_TYPE_NUM: Total number of IP block types */ enum amd_ip_block_type { AMD_IP_BLOCK_TYPE_COMMON, AMD_IP_BLOCK_TYPE_GMC, AMD_IP_BLOCK_TYPE_IH, AMD_IP_BLOCK_TYPE_SMC, AMD_IP_BLOCK_TYPE_PSP, AMD_IP_BLOCK_TYPE_DCE, AMD_IP_BLOCK_TYPE_GFX, AMD_IP_BLOCK_TYPE_SDMA, AMD_IP_BLOCK_TYPE_UVD, AMD_IP_BLOCK_TYPE_VCE, AMD_IP_BLOCK_TYPE_ACP, AMD_IP_BLOCK_TYPE_VCN, AMD_IP_BLOCK_TYPE_MES, AMD_IP_BLOCK_TYPE_JPEG, AMD_IP_BLOCK_TYPE_VPE, AMD_IP_BLOCK_TYPE_UMSCH_MM, AMD_IP_BLOCK_TYPE_ISP, AMD_IP_BLOCK_TYPE_NUM, }; enum amd_clockgating_state { AMD_CG_STATE_GATE = 0, AMD_CG_STATE_UNGATE, }; enum amd_powergating_state { AMD_PG_STATE_GATE = 0, AMD_PG_STATE_UNGATE, }; /* CG flags */ #define AMD_CG_SUPPORT_GFX_MGCG (1ULL << 0) #define AMD_CG_SUPPORT_GFX_MGLS (1ULL << 1) #define AMD_CG_SUPPORT_GFX_CGCG (1ULL << 2) #define AMD_CG_SUPPORT_GFX_CGLS (1ULL << 3) #define AMD_CG_SUPPORT_GFX_CGTS (1ULL << 4) #define AMD_CG_SUPPORT_GFX_CGTS_LS (1ULL << 5) #define AMD_CG_SUPPORT_GFX_CP_LS (1ULL << 6) #define AMD_CG_SUPPORT_GFX_RLC_LS (1ULL << 7) #define AMD_CG_SUPPORT_MC_LS (1ULL << 8) #define AMD_CG_SUPPORT_MC_MGCG (1ULL << 9) #define AMD_CG_SUPPORT_SDMA_LS (1ULL << 10) #define AMD_CG_SUPPORT_SDMA_MGCG (1ULL << 11) #define AMD_CG_SUPPORT_BIF_LS (1ULL << 12) #define AMD_CG_SUPPORT_UVD_MGCG (1ULL << 13) #define AMD_CG_SUPPORT_VCE_MGCG (1ULL << 14) #define AMD_CG_SUPPORT_HDP_LS (1ULL << 15) #define AMD_CG_SUPPORT_HDP_MGCG (1ULL << 16) #define AMD_CG_SUPPORT_ROM_MGCG (1ULL << 17) #define AMD_CG_SUPPORT_DRM_LS (1ULL << 18) #define AMD_CG_SUPPORT_BIF_MGCG (1ULL << 19) #define AMD_CG_SUPPORT_GFX_3D_CGCG (1ULL << 20) #define AMD_CG_SUPPORT_GFX_3D_CGLS (1ULL << 21) #define AMD_CG_SUPPORT_DRM_MGCG (1ULL << 22) #define AMD_CG_SUPPORT_DF_MGCG (1ULL << 23) #define AMD_CG_SUPPORT_VCN_MGCG (1ULL << 24) #define AMD_CG_SUPPORT_HDP_DS (1ULL << 25) #define AMD_CG_SUPPORT_HDP_SD (1ULL << 26) #define AMD_CG_SUPPORT_IH_CG (1ULL << 27) #define AMD_CG_SUPPORT_ATHUB_LS (1ULL << 28) #define AMD_CG_SUPPORT_ATHUB_MGCG (1ULL << 29) #define AMD_CG_SUPPORT_JPEG_MGCG (1ULL << 30) #define AMD_CG_SUPPORT_GFX_FGCG (1ULL << 31) #define AMD_CG_SUPPORT_REPEATER_FGCG (1ULL << 32) #define AMD_CG_SUPPORT_GFX_PERF_CLK (1ULL << 33) /* PG flags */ #define AMD_PG_SUPPORT_GFX_PG (1 << 0) #define AMD_PG_SUPPORT_GFX_SMG (1 << 1) #define AMD_PG_SUPPORT_GFX_DMG (1 << 2) #define AMD_PG_SUPPORT_UVD (1 << 3) #define AMD_PG_SUPPORT_VCE (1 << 4) #define AMD_PG_SUPPORT_CP (1 << 5) #define AMD_PG_SUPPORT_GDS (1 << 6) #define AMD_PG_SUPPORT_RLC_SMU_HS (1 << 7) #define AMD_PG_SUPPORT_SDMA (1 << 8) #define AMD_PG_SUPPORT_ACP (1 << 9) #define AMD_PG_SUPPORT_SAMU (1 << 10) #define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11) #define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12) #define AMD_PG_SUPPORT_MMHUB (1 << 13) #define AMD_PG_SUPPORT_VCN (1 << 14) #define AMD_PG_SUPPORT_VCN_DPG (1 << 15) #define AMD_PG_SUPPORT_ATHUB (1 << 16) #define AMD_PG_SUPPORT_JPEG (1 << 17) #define AMD_PG_SUPPORT_IH_SRAM_PG (1 << 18) #define AMD_PG_SUPPORT_JPEG_DPG (1 << 19) /** * enum PP_FEATURE_MASK - Used to mask power play features. * * @PP_SCLK_DPM_MASK: Dynamic adjustment of the system (graphics) clock. * @PP_MCLK_DPM_MASK: Dynamic adjustment of the memory clock. * @PP_PCIE_DPM_MASK: Dynamic adjustment of PCIE clocks and lanes. * @PP_SCLK_DEEP_SLEEP_MASK: System (graphics) clock deep sleep. * @PP_POWER_CONTAINMENT_MASK: Power containment. * @PP_UVD_HANDSHAKE_MASK: Unified video decoder handshake. * @PP_SMC_VOLTAGE_CONTROL_MASK: Dynamic voltage control. * @PP_VBI_TIME_SUPPORT_MASK: Vertical blank interval support. * @PP_ULV_MASK: Ultra low voltage. * @PP_ENABLE_GFX_CG_THRU_SMU: SMU control of GFX engine clockgating. * @PP_CLOCK_STRETCH_MASK: Clock stretching. * @PP_OD_FUZZY_FAN_CONTROL_MASK: Overdrive fuzzy fan control. * @PP_SOCCLK_DPM_MASK: Dynamic adjustment of the SoC clock. * @PP_DCEFCLK_DPM_MASK: Dynamic adjustment of the Display Controller Engine Fabric clock. * @PP_OVERDRIVE_MASK: Over- and under-clocking support. * @PP_GFXOFF_MASK: Dynamic graphics engine power control. * @PP_ACG_MASK: Adaptive clock generator. * @PP_STUTTER_MODE: Stutter mode. * @PP_AVFS_MASK: Adaptive voltage and frequency scaling. * @PP_GFX_DCS_MASK: GFX Async DCS. * * To override these settings on boot, append amdgpu.ppfeaturemask= to * the kernel's command line parameters. This is usually done through a system's * boot loader (E.g. GRUB). If manually loading the driver, pass * ppfeaturemask= as a modprobe parameter. */ enum PP_FEATURE_MASK { PP_SCLK_DPM_MASK = 0x1, PP_MCLK_DPM_MASK = 0x2, PP_PCIE_DPM_MASK = 0x4, PP_SCLK_DEEP_SLEEP_MASK = 0x8, PP_POWER_CONTAINMENT_MASK = 0x10, PP_UVD_HANDSHAKE_MASK = 0x20, PP_SMC_VOLTAGE_CONTROL_MASK = 0x40, PP_VBI_TIME_SUPPORT_MASK = 0x80, PP_ULV_MASK = 0x100, PP_ENABLE_GFX_CG_THRU_SMU = 0x200, PP_CLOCK_STRETCH_MASK = 0x400, PP_OD_FUZZY_FAN_CONTROL_MASK = 0x800, PP_SOCCLK_DPM_MASK = 0x1000, PP_DCEFCLK_DPM_MASK = 0x2000, PP_OVERDRIVE_MASK = 0x4000, PP_GFXOFF_MASK = 0x8000, PP_ACG_MASK = 0x10000, PP_STUTTER_MODE = 0x20000, PP_AVFS_MASK = 0x40000, PP_GFX_DCS_MASK = 0x80000, }; enum amd_harvest_ip_mask { AMD_HARVEST_IP_VCN_MASK = 0x1, AMD_HARVEST_IP_JPEG_MASK = 0x2, AMD_HARVEST_IP_DMU_MASK = 0x4, }; enum DC_FEATURE_MASK { //Default value can be found at "uint amdgpu_dc_feature_mask" DC_FBC_MASK = (1 << 0), //0x1, disabled by default DC_MULTI_MON_PP_MCLK_SWITCH_MASK = (1 << 1), //0x2, enabled by default DC_DISABLE_FRACTIONAL_PWM_MASK = (1 << 2), //0x4, disabled by default DC_PSR_MASK = (1 << 3), //0x8, disabled by default for dcn < 3.1 DC_EDP_NO_POWER_SEQUENCING = (1 << 4), //0x10, disabled by default DC_DISABLE_LTTPR_DP1_4A = (1 << 5), //0x20, disabled by default DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default DC_PSR_ALLOW_SMU_OPT = (1 << 7), //0x80, disabled by default DC_PSR_ALLOW_MULTI_DISP_OPT = (1 << 8), //0x100, disabled by default DC_REPLAY_MASK = (1 << 9), //0x200, disabled by default for dcn < 3.1.4 }; /** * enum DC_DEBUG_MASK - Bits that are useful for debugging the Display Core IP */ enum DC_DEBUG_MASK { /** * @DC_DISABLE_PIPE_SPLIT: If set, disable pipe-splitting */ DC_DISABLE_PIPE_SPLIT = 0x1, /** * @DC_DISABLE_STUTTER: If set, disable memory stutter mode */ DC_DISABLE_STUTTER = 0x2, /** * @DC_DISABLE_DSC: If set, disable display stream compression */ DC_DISABLE_DSC = 0x4, /** * @DC_DISABLE_CLOCK_GATING: If set, disable clock gating optimizations */ DC_DISABLE_CLOCK_GATING = 0x8, /** * @DC_DISABLE_PSR: If set, disable Panel self refresh v1 and PSR-SU */ DC_DISABLE_PSR = 0x10, /** * @DC_FORCE_SUBVP_MCLK_SWITCH: If set, force mclk switch in subvp, even * if mclk switch in vblank is possible */ DC_FORCE_SUBVP_MCLK_SWITCH = 0x20, /** * @DC_DISABLE_MPO: If set, disable multi-plane offloading */ DC_DISABLE_MPO = 0x40, /** * @DC_ENABLE_DPIA_TRACE: If set, enable trace logging for DPIA */ DC_ENABLE_DPIA_TRACE = 0x80, /** * @DC_ENABLE_DML2: If set, force usage of DML2, even if the DCN version * does not default to it. */ DC_ENABLE_DML2 = 0x100, /** * @DC_DISABLE_PSR_SU: If set, disable PSR SU */ DC_DISABLE_PSR_SU = 0x200, /** * @DC_DISABLE_REPLAY: If set, disable Panel Replay */ DC_DISABLE_REPLAY = 0x400, /** * @DC_DISABLE_IPS: If set, disable all Idle Power States, all the time. * If more than one IPS debug bit is set, the lowest bit takes * precedence. For example, if DC_FORCE_IPS_ENABLE and * DC_DISABLE_IPS_DYNAMIC are set, then DC_DISABLE_IPS_DYNAMIC takes * precedence. */ DC_DISABLE_IPS = 0x800, /** * @DC_DISABLE_IPS_DYNAMIC: If set, disable all IPS, all the time, * *except* when driver goes into suspend. */ DC_DISABLE_IPS_DYNAMIC = 0x1000, /** * @DC_DISABLE_IPS2_DYNAMIC: If set, disable IPS2 (IPS1 allowed) if * there is an enabled display. Otherwise, enable all IPS. */ DC_DISABLE_IPS2_DYNAMIC = 0x2000, /** * @DC_FORCE_IPS_ENABLE: If set, force enable all IPS, all the time. */ DC_FORCE_IPS_ENABLE = 0x4000, }; enum amd_dpm_forced_level; /** * struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks * @name: Name of IP block * @early_init: sets up early driver state (pre sw_init), * does not configure hw - Optional * @late_init: sets up late driver/hw state (post hw_init) - Optional * @sw_init: sets up driver state, does not configure hw * @sw_fini: tears down driver state, does not configure hw * @early_fini: tears down stuff before dev detached from driver * @hw_init: sets up the hw state * @hw_fini: tears down the hw state * @late_fini: final cleanup * @prepare_suspend: handle IP specific changes to prepare for suspend * (such as allocating any required memory) * @suspend: handles IP specific hw/sw changes for suspend * @resume: handles IP specific hw/sw changes for resume * @is_idle: returns current IP block idle status * @wait_for_idle: poll for idle * @check_soft_reset: check soft reset the IP block * @pre_soft_reset: pre soft reset the IP block * @soft_reset: soft reset the IP block * @post_soft_reset: post soft reset the IP block * @set_clockgating_state: enable/disable cg for the IP block * @set_powergating_state: enable/disable pg for the IP block * @get_clockgating_state: get current clockgating status * @dump_ip_state: dump the IP state of the ASIC during a gpu hang * @print_ip_state: print the IP state in devcoredump for each IP of the ASIC * * These hooks provide an interface for controlling the operational state * of IP blocks. After acquiring a list of IP blocks for the GPU in use, * the driver can make chip-wide state changes by walking this list and * making calls to hooks from each IP block. This list is ordered to ensure * that the driver initializes the IP blocks in a safe sequence. */ struct amd_ip_funcs { char *name; int (*early_init)(void *handle); int (*late_init)(void *handle); int (*sw_init)(void *handle); int (*sw_fini)(void *handle); int (*early_fini)(void *handle); int (*hw_init)(void *handle); int (*hw_fini)(void *handle); void (*late_fini)(void *handle); int (*prepare_suspend)(void *handle); int (*suspend)(void *handle); int (*resume)(void *handle); bool (*is_idle)(void *handle); int (*wait_for_idle)(void *handle); bool (*check_soft_reset)(void *handle); int (*pre_soft_reset)(void *handle); int (*soft_reset)(void *handle); int (*post_soft_reset)(void *handle); int (*set_clockgating_state)(void *handle, enum amd_clockgating_state state); int (*set_powergating_state)(void *handle, enum amd_powergating_state state); void (*get_clockgating_state)(void *handle, u64 *flags); void (*dump_ip_state)(void *handle); void (*print_ip_state)(void *handle, struct drm_printer *p); }; #endif /* __AMD_SHARED_H__ */