1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT */ 2 /* Copyright (c) 2023 Imagination Technologies Ltd. */ 3 4 #ifndef PVR_ROGUE_FWIF_COMMON_H 5 #define PVR_ROGUE_FWIF_COMMON_H 6 7 #include <linux/build_bug.h> 8 9 /* 10 * This macro represents a mask of LSBs that must be zero on data structure 11 * sizes and offsets to ensure they are 8-byte granular on types shared between 12 * the FW and host driver. 13 */ 14 #define PVR_FW_ALIGNMENT_LSB 7U 15 16 /* Macro to test structure size alignment. */ 17 #define PVR_FW_STRUCT_SIZE_ASSERT(_a) \ 18 static_assert((sizeof(_a) & PVR_FW_ALIGNMENT_LSB) == 0U, \ 19 "Size of " #_a " is not properly aligned") 20 21 /* The master definition for data masters known to the firmware. */ 22 23 #define PVR_FWIF_DM_GP (0) 24 /* Either TDM or 2D DM is present. */ 25 /* When the 'tla' feature is present in the hw (as per @pvr_device_features). */ 26 #define PVR_FWIF_DM_2D (1) 27 /* 28 * When the 'fastrender_dm' feature is present in the hw (as per 29 * @pvr_device_features). 30 */ 31 #define PVR_FWIF_DM_TDM (1) 32 33 #define PVR_FWIF_DM_GEOM (2) 34 #define PVR_FWIF_DM_FRAG (3) 35 #define PVR_FWIF_DM_CDM (4) 36 #define PVR_FWIF_DM_RAY (5) 37 #define PVR_FWIF_DM_GEOM2 (6) 38 #define PVR_FWIF_DM_GEOM3 (7) 39 #define PVR_FWIF_DM_GEOM4 (8) 40 41 #define PVR_FWIF_DM_LAST PVR_FWIF_DM_GEOM4 42 43 /* Maximum number of DM in use: GP, 2D/TDM, GEOM, 3D, CDM, RAY, GEOM2, GEOM3, GEOM4 */ 44 #define PVR_FWIF_DM_MAX (PVR_FWIF_DM_LAST + 1U) 45 46 /* GPU Utilisation states */ 47 #define PVR_FWIF_GPU_UTIL_STATE_IDLE 0U 48 #define PVR_FWIF_GPU_UTIL_STATE_ACTIVE 1U 49 #define PVR_FWIF_GPU_UTIL_STATE_BLOCKED 2U 50 #define PVR_FWIF_GPU_UTIL_STATE_NUM 3U 51 #define PVR_FWIF_GPU_UTIL_STATE_MASK 0x3ULL 52 53 /* 54 * Maximum amount of register writes that can be done by the register 55 * programmer (FW or META DMA). This is not a HW limitation, it is only 56 * a protection against malformed inputs to the register programmer. 57 */ 58 #define PVR_MAX_NUM_REGISTER_PROGRAMMER_WRITES 128U 59 60 #endif /* PVR_ROGUE_FWIF_COMMON_H */ 61