xref: /linux/drivers/gpu/drm/sun4i/sun8i_vi_layer.h (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
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(ch, layer) \
16 		(0x2000 + 0x1000 * (ch) + 0x30 * (layer) + 0x0)
17 #define SUN8I_MIXER_CHAN_VI_LAYER_SIZE(ch, layer) \
18 		(0x2000 + 0x1000 * (ch) + 0x30 * (layer) + 0x4)
19 #define SUN8I_MIXER_CHAN_VI_LAYER_COORD(ch, layer) \
20 		(0x2000 + 0x1000 * (ch) + 0x30 * (layer) + 0x8)
21 #define SUN8I_MIXER_CHAN_VI_LAYER_PITCH(ch, layer, plane) \
22 		(0x2000 + 0x1000 * (ch) + 0x30 * (layer) + 0xc + 4 * (plane))
23 #define SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(ch, layer, plane) \
24 		(0x2000 + 0x1000 * (ch) + 0x30 * (layer) + 0x18 + 4 * (plane))
25 #define SUN8I_MIXER_CHAN_VI_OVL_SIZE(ch)	(0x2000 + 0x1000 * (ch) + 0xe8)
26 
27 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN		BIT(0)
28 /* RGB mode should be set for RGB formats and cleared for YCbCr */
29 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE		BIT(15)
30 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET	8
31 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
32 
33 struct sun8i_mixer;
34 
35 struct sun8i_vi_layer {
36 	struct drm_plane	plane;
37 	struct sun8i_mixer	*mixer;
38 	int			channel;
39 	int			overlay;
40 };
41 
42 static inline struct sun8i_vi_layer *
43 plane_to_sun8i_vi_layer(struct drm_plane *plane)
44 {
45 	return container_of(plane, struct sun8i_vi_layer, plane);
46 }
47 
48 struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
49 					       struct sun8i_mixer *mixer,
50 					       int index);
51 #endif /* _SUN8I_VI_LAYER_H_ */
52