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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ /* Copyright (c) 2023 Imagination Technologies Ltd. */ #ifndef PVR_ROGUE_FWIF_COMMON_H #define PVR_ROGUE_FWIF_COMMON_H #include <linux/build_bug.h> /* * This macro represents a mask of LSBs that must be zero on data structure * sizes and offsets to ensure they are 8-byte granular on types shared between * the FW and host driver. */ #define PVR_FW_ALIGNMENT_LSB 7U /* Macro to test structure size alignment. */ #define PVR_FW_STRUCT_SIZE_ASSERT(_a) \ static_assert((sizeof(_a) & PVR_FW_ALIGNMENT_LSB) == 0U, \ "Size of " #_a " is not properly aligned") /* The master definition for data masters known to the firmware. */ #define PVR_FWIF_DM_GP (0) /* Either TDM or 2D DM is present. */ /* When the 'tla' feature is present in the hw (as per @pvr_device_features). */ #define PVR_FWIF_DM_2D (1) /* * When the 'fastrender_dm' feature is present in the hw (as per * @pvr_device_features). */ #define PVR_FWIF_DM_TDM (1) #define PVR_FWIF_DM_GEOM (2) #define PVR_FWIF_DM_FRAG (3) #define PVR_FWIF_DM_CDM (4) #define PVR_FWIF_DM_RAY (5) #define PVR_FWIF_DM_GEOM2 (6) #define PVR_FWIF_DM_GEOM3 (7) #define PVR_FWIF_DM_GEOM4 (8) #define PVR_FWIF_DM_LAST PVR_FWIF_DM_GEOM4 /* Maximum number of DM in use: GP, 2D/TDM, GEOM, 3D, CDM, RAY, GEOM2, GEOM3, GEOM4 */ #define PVR_FWIF_DM_MAX (PVR_FWIF_DM_LAST + 1U) /* GPU Utilisation states */ #define PVR_FWIF_GPU_UTIL_STATE_IDLE 0U #define PVR_FWIF_GPU_UTIL_STATE_ACTIVE 1U #define PVR_FWIF_GPU_UTIL_STATE_BLOCKED 2U #define PVR_FWIF_GPU_UTIL_STATE_NUM 3U #define PVR_FWIF_GPU_UTIL_STATE_MASK 0x3ULL /* * Maximum amount of register writes that can be done by the register * programmer (FW or META DMA). This is not a HW limitation, it is only * a protection against malformed inputs to the register programmer. */ #define PVR_MAX_NUM_REGISTER_PROGRAMMER_WRITES 128U #endif /* PVR_ROGUE_FWIF_COMMON_H */ |