/* * 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 <drm/amd_asic_type.h>  #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,}; /*** 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:* <functionality>_v<version> (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)#define AMD_CG_SUPPORT_GFX_FGCG			(1 << 31)/* 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=<mask> 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=<mask> 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 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__ */