1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (C) 2019-2022 Bootlin
4 * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
5 */
6
7#ifndef _LOGICVC_LAYER_H_
8#define _LOGICVC_LAYER_H_
9
10#include <linux/of.h>
11#include <linux/types.h>
12#include <drm/drm_plane.h>
13
14#define LOGICVC_LAYER_COLORSPACE_RGB		0
15#define LOGICVC_LAYER_COLORSPACE_YUV		1
16
17#define LOGICVC_LAYER_ALPHA_LAYER		0
18#define LOGICVC_LAYER_ALPHA_PIXEL		1
19
20struct logicvc_layer_buffer_setup {
21	u8 buffer_sel;
22	u16 voffset;
23	u16 hoffset;
24};
25
26struct logicvc_layer_config {
27	u32 colorspace;
28	u32 depth;
29	u32 alpha_mode;
30	u32 base_offset;
31	u32 buffer_offset;
32	bool primary;
33};
34
35struct logicvc_layer_formats {
36	u32 colorspace;
37	u32 depth;
38	bool alpha;
39	uint32_t *formats;
40};
41
42struct logicvc_layer {
43	struct logicvc_layer_config config;
44	struct logicvc_layer_formats *formats;
45	struct device_node *of_node;
46
47	struct drm_plane drm_plane;
48	struct list_head list;
49	u32 index;
50};
51
52int logicvc_layer_buffer_find_setup(struct logicvc_drm *logicvc,
53				    struct logicvc_layer *layer,
54				    struct drm_plane_state *state,
55				    struct logicvc_layer_buffer_setup *setup);
56struct logicvc_layer *logicvc_layer_get_from_index(struct logicvc_drm *logicvc,
57						   u32 index);
58struct logicvc_layer *logicvc_layer_get_from_type(struct logicvc_drm *logicvc,
59						  enum drm_plane_type type);
60struct logicvc_layer *logicvc_layer_get_primary(struct logicvc_drm *logicvc);
61void logicvc_layers_attach_crtc(struct logicvc_drm *logicvc);
62int logicvc_layers_init(struct logicvc_drm *logicvc);
63
64#endif
65