/* SPDX-License-Identifier: GPL-2.0 */ /* * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. * Author: James.Qian.Wang <[email protected]> * */ #ifndef _KOMEDA_FORMAT_CAPS_H_ #define _KOMEDA_FORMAT_CAPS_H_ #include <linux/types.h> #include <uapi/drm/drm_fourcc.h> #include <drm/drm_fourcc.h> #define AFBC(x) … /* afbc layerout */ #define AFBC_16x16(x) … #define AFBC_32x8(x) … /* afbc features */ #define _YTR … #define _SPLIT … #define _SPARSE … #define _CBR … #define _TILED … #define _SC … /* layer_type */ #define KOMEDA_FMT_RICH_LAYER … #define KOMEDA_FMT_SIMPLE_LAYER … #define KOMEDA_FMT_WB_LAYER … #define AFBC_TH_LAYOUT_ALIGNMENT … #define AFBC_HEADER_SIZE … #define AFBC_SUPERBLK_ALIGNMENT … #define AFBC_SUPERBLK_PIXELS … #define AFBC_BODY_START_ALIGNMENT … #define AFBC_TH_BODY_START_ALIGNMENT … /** * struct komeda_format_caps * * komeda_format_caps is for describing ARM display specific features and * limitations for a specific format, and format_caps will be linked into * &komeda_framebuffer like a extension of &drm_format_info. * * NOTE: one fourcc may has two different format_caps items for fourcc and * fourcc+modifier * * @hw_id: hw format id, hw specific value. * @fourcc: drm fourcc format. * @supported_layer_types: indicate which layer supports this format * @supported_rots: allowed rotations for this format * @supported_afbc_layouts: supported afbc layerout * @supported_afbc_features: supported afbc features */ struct komeda_format_caps { … }; /** * struct komeda_format_caps_table - format_caps mananger * * @n_formats: the size of format_caps list. * @format_caps: format_caps list. * @format_mod_supported: Optional. Some HW may have special requirements or * limitations which can not be described by format_caps, this func supply HW * the ability to do the further HW specific check. */ struct komeda_format_caps_table { … }; extern u64 komeda_supported_modifiers[]; const struct komeda_format_caps * komeda_get_format_caps(struct komeda_format_caps_table *table, u32 fourcc, u64 modifier); u32 komeda_get_afbc_format_bpp(const struct drm_format_info *info, u64 modifier); u32 *komeda_get_layer_fourcc_list(struct komeda_format_caps_table *table, u32 layer_type, u32 *n_fmts); void komeda_put_fourcc_list(u32 *fourcc_list); bool komeda_format_mod_supported(struct komeda_format_caps_table *table, u32 layer_type, u32 fourcc, u64 modifier, u32 rot); #endif
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