diff options
Diffstat (limited to 'drivers/gpu/drm/imagination/pvr_stream.h')
-rw-r--r-- | drivers/gpu/drm/imagination/pvr_stream.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imagination/pvr_stream.h b/drivers/gpu/drm/imagination/pvr_stream.h new file mode 100644 index 0000000000..d92acb3a61 --- /dev/null +++ b/drivers/gpu/drm/imagination/pvr_stream.h @@ -0,0 +1,75 @@ +/* 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 */ |