aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/sun4i/sun8i_mixer.h
blob: f34e70c42adf4707cee223d4bd8d9b1437f05a45 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/*
 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 */

#ifndef _SUN8I_MIXER_H_
#define _SUN8I_MIXER_H_

#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/reset.h>

#include "sun8i_csc.h"
#include "sunxi_engine.h"

#define SUN8I_MIXER_SIZE(w, h)			(((h) - 1) << 16 | ((w) - 1))
#define SUN8I_MIXER_COORD(x, y)			((y) << 16 | (x))

#define SUN8I_MIXER_GLOBAL_CTL			0x0
#define SUN8I_MIXER_GLOBAL_STATUS		0x4
#define SUN8I_MIXER_GLOBAL_DBUFF		0x8
#define SUN8I_MIXER_GLOBAL_SIZE			0xc

#define SUN8I_MIXER_GLOBAL_CTL_RT_EN		BIT(0)

#define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE		BIT(0)

#define SUN8I_MIXER_BLEND_PIPE_CTL		0x1000
#define SUN8I_MIXER_BLEND_ATTR_FCOLOR(x)	(0x1004 + 0x10 * (x) + 0x0)
#define SUN8I_MIXER_BLEND_ATTR_INSIZE(x)	(0x1004 + 0x10 * (x) + 0x4)
#define SUN8I_MIXER_BLEND_ATTR_COORD(x)		(0x1004 + 0x10 * (x) + 0x8)
#define SUN8I_MIXER_BLEND_ROUTE			0x1080
#define SUN8I_MIXER_BLEND_PREMULTIPLY		0x1084
#define SUN8I_MIXER_BLEND_BKCOLOR		0x1088
#define SUN8I_MIXER_BLEND_OUTSIZE		0x108c
#define SUN8I_MIXER_BLEND_MODE(x)		(0x1090 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_CK_CTL		0x10b0
#define SUN8I_MIXER_BLEND_CK_CFG		0x10b4
#define SUN8I_MIXER_BLEND_CK_MAX(x)		(0x10c0 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_CK_MIN(x)		(0x10e0 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_OUTCTL		0x10fc

#define SUN8I_MIXER_BLEND_PIPE_CTL_EN(pipe)	BIT(8 + pipe)
#define SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(pipe)	BIT(pipe)
/* colors are always in AARRGGBB format */
#define SUN8I_MIXER_BLEND_COLOR_BLACK		0xff000000
/* The following numbers are some still unknown magic numbers */
#define SUN8I_MIXER_BLEND_MODE_DEF		0x03010301

#define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED	BIT(1)

#define SUN8I_MIXER_FBFMT_ARGB8888	0
#define SUN8I_MIXER_FBFMT_ABGR8888	1
#define SUN8I_MIXER_FBFMT_RGBA8888	2
#define SUN8I_MIXER_FBFMT_BGRA8888	3
#define SUN8I_MIXER_FBFMT_XRGB8888	4
#define SUN8I_MIXER_FBFMT_XBGR8888	5
#define SUN8I_MIXER_FBFMT_RGBX8888	6
#define SUN8I_MIXER_FBFMT_BGRX8888	7
#define SUN8I_MIXER_FBFMT_RGB888	8
#define SUN8I_MIXER_FBFMT_BGR888	9
#define SUN8I_MIXER_FBFMT_RGB565	10
#define SUN8I_MIXER_FBFMT_BGR565	11
#define SUN8I_MIXER_FBFMT_ARGB4444	12
#define SUN8I_MIXER_FBFMT_ABGR4444	13
#define SUN8I_MIXER_FBFMT_RGBA4444	14
#define SUN8I_MIXER_FBFMT_BGRA4444	15
#define SUN8I_MIXER_FBFMT_ARGB1555	16
#define SUN8I_MIXER_FBFMT_ABGR1555	17
#define SUN8I_MIXER_FBFMT_RGBA5551	18
#define SUN8I_MIXER_FBFMT_BGRA5551	19

#define SUN8I_MIXER_FBFMT_YUYV		0
#define SUN8I_MIXER_FBFMT_UYVY		1
#define SUN8I_MIXER_FBFMT_YVYU		2
#define SUN8I_MIXER_FBFMT_VYUY		3
#define SUN8I_MIXER_FBFMT_NV16		4
#define SUN8I_MIXER_FBFMT_NV61		5
#define SUN8I_MIXER_FBFMT_YUV422	6
/* format 7 doesn't exist */
#define SUN8I_MIXER_FBFMT_NV12		8
#define SUN8I_MIXER_FBFMT_NV21		9
#define SUN8I_MIXER_FBFMT_YUV420	10
/* format 11 doesn't exist */
/* format 12 is semi-planar YUV411 UVUV */
/* format 13 is semi-planar YUV411 VUVU */
#define SUN8I_MIXER_FBFMT_YUV411	14

/*
 * These sub-engines are still unknown now, the EN registers are here only to
 * be used to disable these sub-engines.
 */
#define SUN8I_MIXER_FCE_EN			0xa0000
#define SUN8I_MIXER_BWS_EN			0xa2000
#define SUN8I_MIXER_LTI_EN			0xa4000
#define SUN8I_MIXER_PEAK_EN			0xa6000
#define SUN8I_MIXER_ASE_EN			0xa8000
#define SUN8I_MIXER_FCC_EN			0xaa000
#define SUN8I_MIXER_DCSC_EN			0xb0000

struct de2_fmt_info {
	u32			drm_fmt;
	u32			de2_fmt;
	bool			rgb;
	enum sun8i_csc_mode	csc;
};

/**
 * struct sun8i_mixer_cfg - mixer HW configuration
 * @vi_num: number of VI channels
 * @ui_num: number of UI channels
 * @scaler_mask: bitmask which tells which channel supports scaling
 *	First, scaler supports for VI channels is defined and after that, scaler
 *	support for UI channels. For example, if mixer has 2 VI channels without
 *	scaler and 2 UI channels with scaler, bitmask would be 0xC.
 * @ccsc: select set of CCSC base addresses
 *	Set value to 0 if this is first mixer or second mixer with VEP support.
 *	Set value to 1 if this is second mixer without VEP support. Other values
 *	are invalid.
 * @mod_rate: module clock rate that needs to be set in order to have
 *	a functional block.
 */
struct sun8i_mixer_cfg {
	int		vi_num;
	int		ui_num;
	int		scaler_mask;
	int		ccsc;
	unsigned long	mod_rate;
};

struct sun8i_mixer {
	struct sunxi_engine		engine;

	const struct sun8i_mixer_cfg	*cfg;

	struct reset_control		*reset;

	struct clk			*bus_clk;
	struct clk			*mod_clk;
};

static inline struct sun8i_mixer *
engine_to_sun8i_mixer(struct sunxi_engine *engine)
{
	return container_of(engine, struct sun8i_mixer, engine);
}

const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
#endif /* _SUN8I_MIXER_H_ */