1 /*
2  * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  */
9 
10 #ifndef _SUN8I_VI_LAYER_H_
11 #define _SUN8I_VI_LAYER_H_
12 
13 #include <drm/drm_plane.h>
14 
15 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR(base, layer) \
16 		((base) + 0x30 * (layer) + 0x0)
17 #define SUN8I_MIXER_CHAN_VI_LAYER_SIZE(base, layer) \
18 		((base) + 0x30 * (layer) + 0x4)
19 #define SUN8I_MIXER_CHAN_VI_LAYER_COORD(base, layer) \
20 		((base) + 0x30 * (layer) + 0x8)
21 #define SUN8I_MIXER_CHAN_VI_LAYER_PITCH(base, layer, plane) \
22 		((base) + 0x30 * (layer) + 0xc + 4 * (plane))
23 #define SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(base, layer, plane) \
24 		((base) + 0x30 * (layer) + 0x18 + 4 * (plane))
25 #define SUN8I_MIXER_CHAN_VI_OVL_SIZE(base) \
26 		((base) + 0xe8)
27 #define SUN8I_MIXER_CHAN_VI_HDS_Y(base) \
28 		((base) + 0xf0)
29 #define SUN8I_MIXER_CHAN_VI_HDS_UV(base) \
30 		((base) + 0xf4)
31 #define SUN8I_MIXER_CHAN_VI_VDS_Y(base) \
32 		((base) + 0xf8)
33 #define SUN8I_MIXER_CHAN_VI_VDS_UV(base) \
34 		((base) + 0xfc)
35 
36 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN		BIT(0)
37 /* RGB mode should be set for RGB formats and cleared for YCbCr */
38 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE		BIT(15)
39 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET	8
40 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
41 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
42 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(x)	((x) << 24)
43 
44 #define SUN8I_MIXER_CHAN_VI_DS_N(x)			((x) << 16)
45 #define SUN8I_MIXER_CHAN_VI_DS_M(x)			((x) << 0)
46 
47 struct sun8i_mixer;
48 
49 struct sun8i_vi_layer {
50 	struct drm_plane	plane;
51 	struct sun8i_mixer	*mixer;
52 	int			channel;
53 	int			overlay;
54 };
55 
56 static inline struct sun8i_vi_layer *
57 plane_to_sun8i_vi_layer(struct drm_plane *plane)
58 {
59 	return container_of(plane, struct sun8i_vi_layer, plane);
60 }
61 
62 struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
63 					       struct sun8i_mixer *mixer,
64 					       int index);
65 #endif /* _SUN8I_VI_LAYER_H_ */
66