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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
/* Copyright (c) 2023 Imagination Technologies Ltd. */
#ifndef PVR_STREAM_H
#define PVR_STREAM_H
#include <linux/bits.h>
#include <linux/limits.h>
#include <linux/types.h>
struct pvr_device;
struct pvr_job;
enum pvr_stream_type {
PVR_STREAM_TYPE_GEOM = 0,
PVR_STREAM_TYPE_FRAG,
PVR_STREAM_TYPE_COMPUTE,
PVR_STREAM_TYPE_TRANSFER,
PVR_STREAM_TYPE_STATIC_RENDER_CONTEXT,
PVR_STREAM_TYPE_STATIC_COMPUTE_CONTEXT,
PVR_STREAM_TYPE_MAX
};
enum pvr_stream_size {
PVR_STREAM_SIZE_8 = 0,
PVR_STREAM_SIZE_16,
PVR_STREAM_SIZE_32,
PVR_STREAM_SIZE_64,
PVR_STREAM_SIZE_ARRAY,
};
#define PVR_FEATURE_NOT BIT(31)
#define PVR_FEATURE_NONE U32_MAX
struct pvr_stream_def {
u32 offset;
enum pvr_stream_size size;
u32 array_size;
u32 feature;
};
struct pvr_stream_ext_def {
const struct pvr_stream_def *stream;
u32 stream_len;
u32 header_mask;
u32 quirk;
};
struct pvr_stream_ext_header {
const struct pvr_stream_ext_def *ext_streams;
u32 ext_streams_num;
u32 valid_mask;
};
struct pvr_stream_cmd_defs {
enum pvr_stream_type type;
const struct pvr_stream_def *main_stream;
u32 main_stream_len;
u32 ext_nr_headers;
const struct pvr_stream_ext_header *ext_headers;
size_t dest_size;
};
int
pvr_stream_process(struct pvr_device *pvr_dev, const struct pvr_stream_cmd_defs *cmd_defs,
void *stream, u32 stream_size, void *dest_out);
void
pvr_stream_create_musthave_masks(struct pvr_device *pvr_dev);
#endif /* PVR_STREAM_H */
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