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