diff options
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h')
-rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h new file mode 100644 index 000000000000..60f39e77b098 --- /dev/null +++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h @@ -0,0 +1,89 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. + * Author: James.Qian.Wang <james.qian.wang@arm.com> + * + */ + +#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) DRM_FORMAT_MOD_ARM_AFBC(x) + +/* afbc layerout */ +#define AFBC_16x16(x) AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | (x)) +#define AFBC_32x8(x) AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 | (x)) + +/* afbc features */ +#define _YTR AFBC_FORMAT_MOD_YTR +#define _SPLIT AFBC_FORMAT_MOD_SPLIT +#define _SPARSE AFBC_FORMAT_MOD_SPARSE +#define _CBR AFBC_FORMAT_MOD_CBR +#define _TILED AFBC_FORMAT_MOD_TILED +#define _SC AFBC_FORMAT_MOD_SC + +/* layer_type */ +#define KOMEDA_FMT_RICH_LAYER BIT(0) +#define KOMEDA_FMT_SIMPLE_LAYER BIT(1) +#define KOMEDA_FMT_WB_LAYER BIT(2) + +#define AFBC_TH_LAYOUT_ALIGNMENT 8 +#define AFBC_HEADER_SIZE 16 +#define AFBC_SUPERBLK_ALIGNMENT 128 +#define AFBC_SUPERBLK_PIXELS 256 +#define AFBC_BODY_START_ALIGNMENT 1024 +#define AFBC_TH_BODY_START_ALIGNMENT 4096 + +/** + * 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. + * @tile_size: format tiled size, used by ARM format X0L0/X0L2 + * @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 { + u32 hw_id; + u32 fourcc; + u32 tile_size; + u32 supported_layer_types; + u32 supported_rots; + u32 supported_afbc_layouts; + u64 supported_afbc_features; +}; + +/** + * struct komeda_format_caps_table - format_caps mananger + * + * @n_formats: the size of format_caps list. + * @format_caps: format_caps list. + */ +struct komeda_format_caps_table { + u32 n_formats; + const struct komeda_format_caps *format_caps; +}; + +const struct komeda_format_caps * +komeda_get_format_caps(struct komeda_format_caps_table *table, + u32 fourcc, 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); + +#endif |