/* 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 */