1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) Icenowy Zheng <icenowy@aosc.io>
 4 *
 5 * Based on sun4i_layer.h, which is:
 6 *   Copyright (C) 2015 Free Electrons
 7 *   Copyright (C) 2015 NextThing Co
 8 *
 9 *   Maxime Ripard <maxime.ripard@free-electrons.com>
10 */
11
12#ifndef _SUN8I_UI_LAYER_H_
13#define _SUN8I_UI_LAYER_H_
14
15#include <drm/drm_plane.h>
16
17#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(base, layer) \
18			((base) + 0x20 * (layer) + 0x0)
19#define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(base, layer) \
20			((base) + 0x20 * (layer) + 0x4)
21#define SUN8I_MIXER_CHAN_UI_LAYER_COORD(base, layer) \
22			((base) + 0x20 * (layer) + 0x8)
23#define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(base, layer) \
24			((base) + 0x20 * (layer) + 0xc)
25#define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(base, layer) \
26			((base) + 0x20 * (layer) + 0x10)
27#define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(base, layer) \
28			((base) + 0x20 * (layer) + 0x14)
29#define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(base, layer) \
30			((base) + 0x20 * (layer) + 0x18)
31#define SUN8I_MIXER_CHAN_UI_TOP_HADDR(base) \
32			((base) + 0x80)
33#define SUN8I_MIXER_CHAN_UI_BOT_HADDR(base) \
34			((base) + 0x84)
35#define SUN8I_MIXER_CHAN_UI_OVL_SIZE(base) \
36			((base) + 0x88)
37
38#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN		BIT(0)
39#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK	GENMASK(2, 1)
40#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
41#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET	8
42#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
43#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(x)		((x) << 24)
44
45#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_PIXEL		((0) << 1)
46#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_LAYER		((1) << 1)
47#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_COMBINED	((2) << 1)
48
49struct sun8i_mixer;
50
51struct sun8i_ui_layer {
52	struct drm_plane	plane;
53	struct sun8i_mixer	*mixer;
54	int			channel;
55	int			overlay;
56};
57
58static inline struct sun8i_ui_layer *
59plane_to_sun8i_ui_layer(struct drm_plane *plane)
60{
61	return container_of(plane, struct sun8i_ui_layer, plane);
62}
63
64struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
65					       struct sun8i_mixer *mixer,
66					       int index);
67#endif /* _SUN8I_UI_LAYER_H_ */