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