65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2019-2022 Bootlin
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* Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
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*/
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#ifndef _LOGICVC_LAYER_H_
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#define _LOGICVC_LAYER_H_
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#include <linux/of.h>
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#include <linux/types.h>
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#include <drm/drm_plane.h>
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#define LOGICVC_LAYER_COLORSPACE_RGB 0
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#define LOGICVC_LAYER_COLORSPACE_YUV 1
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#define LOGICVC_LAYER_ALPHA_LAYER 0
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#define LOGICVC_LAYER_ALPHA_PIXEL 1
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struct logicvc_layer_buffer_setup {
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u8 buffer_sel;
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u16 voffset;
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u16 hoffset;
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};
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struct logicvc_layer_config {
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u32 colorspace;
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u32 depth;
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u32 alpha_mode;
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u32 base_offset;
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u32 buffer_offset;
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bool primary;
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};
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struct logicvc_layer_formats {
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u32 colorspace;
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u32 depth;
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bool alpha;
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uint32_t *formats;
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};
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struct logicvc_layer {
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struct logicvc_layer_config config;
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struct logicvc_layer_formats *formats;
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struct device_node *of_node;
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struct drm_plane drm_plane;
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struct list_head list;
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u32 index;
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};
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int logicvc_layer_buffer_find_setup(struct logicvc_drm *logicvc,
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struct logicvc_layer *layer,
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struct drm_plane_state *state,
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struct logicvc_layer_buffer_setup *setup);
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struct logicvc_layer *logicvc_layer_get_from_index(struct logicvc_drm *logicvc,
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u32 index);
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struct logicvc_layer *logicvc_layer_get_from_type(struct logicvc_drm *logicvc,
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enum drm_plane_type type);
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struct logicvc_layer *logicvc_layer_get_primary(struct logicvc_drm *logicvc);
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void logicvc_layers_attach_crtc(struct logicvc_drm *logicvc);
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int logicvc_layers_init(struct logicvc_drm *logicvc);
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#endif
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