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(ch, layer) \
22 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x0)
23 #define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(ch, layer) \
24 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x4)
25 #define SUN8I_MIXER_CHAN_UI_LAYER_COORD(ch, layer) \
26 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x8)
27 #define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(ch, layer) \
28 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0xc)
29 #define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(ch, layer) \
30 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x10)
31 #define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(ch, layer) \
32 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x14)
33 #define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(ch, layer) \
34 			(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x18)
35 #define SUN8I_MIXER_CHAN_UI_TOP_HADDR(ch)	(0x2000 + 0x1000 * (ch) + 0x80)
36 #define SUN8I_MIXER_CHAN_UI_BOT_HADDR(ch)	(0x2000 + 0x1000 * (ch) + 0x84)
37 #define SUN8I_MIXER_CHAN_UI_OVL_SIZE(ch)	(0x2000 + 0x1000 * (ch) + 0x88)
38 
39 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN		BIT(0)
40 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK	GENMASK(2, 1)
41 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
42 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET	8
43 #define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
44 
45 struct sun8i_mixer;
46 
47 struct sun8i_ui_layer {
48 	struct drm_plane	plane;
49 	struct sun8i_mixer	*mixer;
50 	int			channel;
51 	int			overlay;
52 };
53 
54 static inline struct sun8i_ui_layer *
55 plane_to_sun8i_ui_layer(struct drm_plane *plane)
56 {
57 	return container_of(plane, struct sun8i_ui_layer, plane);
58 }
59 
60 struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
61 					       struct sun8i_mixer *mixer,
62 					       int index);
63 #endif /* _SUN8I_UI_LAYER_H_ */
64