/* * 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 200000 /* 200 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_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 }; 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) /* 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) struct amd_ip_funcs { /* Name of IP block */ char *name; /* sets up early driver state (pre sw_init), does not configure hw - Optional */ int (*early_init)(void *handle); /* sets up late driver/hw state (post hw_init) - Optional */ int (*late_init)(void *handle); /* sets up driver state, does not configure hw */ int (*sw_init)(void *handle); /* tears down driver state, does not configure hw */ int (*sw_fini)(void *handle); /* sets up the hw state */ int (*hw_init)(void *handle); /* tears down the hw state */ int (*hw_fini)(void *handle); void (*late_fini)(void *handle); /* handles IP specific hw/sw changes for suspend */ int (*suspend)(void *handle); /* handles IP specific hw/sw changes for resume */ int (*resume)(void *handle); /* returns current IP block idle status */ bool (*is_idle)(void *handle); /* poll for idle */ int (*wait_for_idle)(void *handle); /* check soft reset the IP block */ bool (*check_soft_reset)(void *handle); /* pre soft reset the IP block */ int (*pre_soft_reset)(void *handle); /* soft reset the IP block */ int (*soft_reset)(void *handle); /* post soft reset the IP block */ int (*post_soft_reset)(void *handle); /* enable/disable cg for the IP block */ int (*set_clockgating_state)(void *handle, enum amd_clockgating_state state); /* enable/disable pg for the IP block */ int (*set_powergating_state)(void *handle, enum amd_powergating_state state); /* get current clockgating status */ void (*get_clockgating_state)(void *handle, u32 *flags); }; #endif /* __AMD_SHARED_H__ */