/* * 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 #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, }; /** * 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 */ 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 }; 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 (1 << 0) #define AMD_CG_SUPPORT_GFX_MGLS (1 << 1) #define AMD_CG_SUPPORT_GFX_CGCG (1 << 2) #define AMD_CG_SUPPORT_GFX_CGLS (1 << 3) #define AMD_CG_SUPPORT_GFX_CGTS (1 << 4) #define AMD_CG_SUPPORT_GFX_CGTS_LS (1 << 5) #define AMD_CG_SUPPORT_GFX_CP_LS (1 << 6) #define AMD_CG_SUPPORT_GFX_RLC_LS (1 << 7) #define AMD_CG_SUPPORT_MC_LS (1 << 8) #define AMD_CG_SUPPORT_MC_MGCG (1 << 9) #define AMD_CG_SUPPORT_SDMA_LS (1 << 10) #define AMD_CG_SUPPORT_SDMA_MGCG (1 << 11) #define AMD_CG_SUPPORT_BIF_LS (1 << 12) #define AMD_CG_SUPPORT_UVD_MGCG (1 << 13) #define AMD_CG_SUPPORT_VCE_MGCG (1 << 14) #define AMD_CG_SUPPORT_HDP_LS (1 << 15) #define AMD_CG_SUPPORT_HDP_MGCG (1 << 16) #define AMD_CG_SUPPORT_ROM_MGCG (1 << 17) #define AMD_CG_SUPPORT_DRM_LS (1 << 18) #define AMD_CG_SUPPORT_BIF_MGCG (1 << 19) #define AMD_CG_SUPPORT_GFX_3D_CGCG (1 << 20) #define AMD_CG_SUPPORT_GFX_3D_CGLS (1 << 21) #define AMD_CG_SUPPORT_DRM_MGCG (1 << 22) #define AMD_CG_SUPPORT_DF_MGCG (1 << 23) #define AMD_CG_SUPPORT_VCN_MGCG (1 << 24) #define AMD_CG_SUPPORT_HDP_DS (1 << 25) #define AMD_CG_SUPPORT_HDP_SD (1 << 26) #define AMD_CG_SUPPORT_IH_CG (1 << 27) #define AMD_CG_SUPPORT_ATHUB_LS (1 << 28) #define AMD_CG_SUPPORT_ATHUB_MGCG (1 << 29) #define AMD_CG_SUPPORT_JPEG_MGCG (1 << 30) /* 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) /** * 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. * * 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, }; enum DC_FEATURE_MASK { DC_FBC_MASK = 0x1, DC_MULTI_MON_PP_MCLK_SWITCH_MASK = 0x2, DC_DISABLE_FRACTIONAL_PWM_MASK = 0x4, DC_PSR_MASK = 0x8, }; enum DC_DEBUG_MASK { DC_DISABLE_PIPE_SPLIT = 0x1, DC_DISABLE_STUTTER = 0x2, DC_DISABLE_DSC = 0x4, DC_DISABLE_CLOCK_GATING = 0x8 }; 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 * @hw_init: sets up the hw state * @hw_fini: tears down the hw state * @late_fini: final cleanup * @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 * @enable_umd_pstate: enable UMD powerstate * * 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 (*hw_init)(void *handle); int (*hw_fini)(void *handle); void (*late_fini)(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, u32 *flags); int (*enable_umd_pstate)(void *handle, enum amd_dpm_forced_level *level); }; #endif /* __AMD_SHARED_H__ */