xref: /linux/drivers/gpu/drm/sun4i/sun8i_vi_layer.h (revision 24168c5e6dfbdd5b414f048f47f75d64533296ca)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
4  */
5 
6 #ifndef _SUN8I_VI_LAYER_H_
7 #define _SUN8I_VI_LAYER_H_
8 
9 #include <drm/drm_plane.h>
10 
11 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR(base, layer) \
12 		((base) + 0x30 * (layer) + 0x0)
13 #define SUN8I_MIXER_CHAN_VI_LAYER_SIZE(base, layer) \
14 		((base) + 0x30 * (layer) + 0x4)
15 #define SUN8I_MIXER_CHAN_VI_LAYER_COORD(base, layer) \
16 		((base) + 0x30 * (layer) + 0x8)
17 #define SUN8I_MIXER_CHAN_VI_LAYER_PITCH(base, layer, plane) \
18 		((base) + 0x30 * (layer) + 0xc + 4 * (plane))
19 #define SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(base, layer, plane) \
20 		((base) + 0x30 * (layer) + 0x18 + 4 * (plane))
21 #define SUN8I_MIXER_CHAN_VI_OVL_SIZE(base) \
22 		((base) + 0xe8)
23 #define SUN8I_MIXER_CHAN_VI_HDS_Y(base) \
24 		((base) + 0xf0)
25 #define SUN8I_MIXER_CHAN_VI_HDS_UV(base) \
26 		((base) + 0xf4)
27 #define SUN8I_MIXER_CHAN_VI_VDS_Y(base) \
28 		((base) + 0xf8)
29 #define SUN8I_MIXER_CHAN_VI_VDS_UV(base) \
30 		((base) + 0xfc)
31 
32 #define SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG \
33 		(0xAA000 + 0x90)
34 
35 #define SUN8I_MIXER_FCC_GLOBAL_ALPHA(x)			((x) << 24)
36 #define SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK		GENMASK(31, 24)
37 
38 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN		BIT(0)
39 /* RGB mode should be set for RGB formats and cleared for YCbCr */
40 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE		BIT(15)
41 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET	8
42 #define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK	GENMASK(12, 8)
43 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK	GENMASK(2, 1)
44 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK	GENMASK(31, 24)
45 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(x)	((x) << 24)
46 
47 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL	((0) << 1)
48 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_LAYER	((1) << 1)
49 #define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED	((2) << 1)
50 
51 #define SUN8I_MIXER_CHAN_VI_DS_N(x)			((x) << 16)
52 #define SUN8I_MIXER_CHAN_VI_DS_M(x)			((x) << 0)
53 
54 struct sun8i_mixer;
55 
56 struct sun8i_vi_layer {
57 	struct drm_plane	plane;
58 	struct sun8i_mixer	*mixer;
59 	int			channel;
60 	int			overlay;
61 };
62 
63 static inline struct sun8i_vi_layer *
64 plane_to_sun8i_vi_layer(struct drm_plane *plane)
65 {
66 	return container_of(plane, struct sun8i_vi_layer, plane);
67 }
68 
69 struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
70 					       struct sun8i_mixer *mixer,
71 					       int index);
72 #endif /* _SUN8I_VI_LAYER_H_ */
73