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1/* SPDX-License-Identifier: GPL-2.0-only OR MIT */2/* Copyright (c) 2023 Imagination Technologies Ltd. */3 4#ifndef PVR_STREAM_H5#define PVR_STREAM_H6 7#include <linux/bits.h>8#include <linux/limits.h>9#include <linux/types.h>10 11struct pvr_device;12 13struct pvr_job;14 15enum pvr_stream_type {16 PVR_STREAM_TYPE_GEOM = 0,17 PVR_STREAM_TYPE_FRAG,18 PVR_STREAM_TYPE_COMPUTE,19 PVR_STREAM_TYPE_TRANSFER,20 PVR_STREAM_TYPE_STATIC_RENDER_CONTEXT,21 PVR_STREAM_TYPE_STATIC_COMPUTE_CONTEXT,22 23 PVR_STREAM_TYPE_MAX24};25 26enum pvr_stream_size {27 PVR_STREAM_SIZE_8 = 0,28 PVR_STREAM_SIZE_16,29 PVR_STREAM_SIZE_32,30 PVR_STREAM_SIZE_64,31 PVR_STREAM_SIZE_ARRAY,32};33 34#define PVR_FEATURE_NOT BIT(31)35#define PVR_FEATURE_NONE U32_MAX36 37struct pvr_stream_def {38 u32 offset;39 enum pvr_stream_size size;40 u32 array_size;41 u32 feature;42};43 44struct pvr_stream_ext_def {45 const struct pvr_stream_def *stream;46 u32 stream_len;47 u32 header_mask;48 u32 quirk;49};50 51struct pvr_stream_ext_header {52 const struct pvr_stream_ext_def *ext_streams;53 u32 ext_streams_num;54 u32 valid_mask;55};56 57struct pvr_stream_cmd_defs {58 enum pvr_stream_type type;59 60 const struct pvr_stream_def *main_stream;61 u32 main_stream_len;62 63 u32 ext_nr_headers;64 const struct pvr_stream_ext_header *ext_headers;65 66 size_t dest_size;67};68 69int70pvr_stream_process(struct pvr_device *pvr_dev, const struct pvr_stream_cmd_defs *cmd_defs,71 void *stream, u32 stream_size, void *dest_out);72void73pvr_stream_create_musthave_masks(struct pvr_device *pvr_dev);74 75#endif /* PVR_STREAM_H */76