1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
4  */
5 
6 #ifndef _SUN8I_MIXER_H_
7 #define _SUN8I_MIXER_H_
8 
9 #include <linux/clk.h>
10 #include <linux/regmap.h>
11 #include <linux/reset.h>
12 
13 #include "sun8i_csc.h"
14 #include "sunxi_engine.h"
15 
16 #define SUN8I_MIXER_SIZE(w, h)			(((h) - 1) << 16 | ((w) - 1))
17 #define SUN8I_MIXER_COORD(x, y)			((y) << 16 | (x))
18 
19 #define SUN8I_MIXER_GLOBAL_CTL			0x0
20 #define SUN8I_MIXER_GLOBAL_STATUS		0x4
21 #define SUN8I_MIXER_GLOBAL_DBUFF		0x8
22 #define SUN8I_MIXER_GLOBAL_SIZE			0xc
23 
24 #define SUN8I_MIXER_GLOBAL_CTL_RT_EN		BIT(0)
25 
26 #define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE		BIT(0)
27 
28 #define DE2_MIXER_UNIT_SIZE			0x6000
29 #define DE3_MIXER_UNIT_SIZE			0x3000
30 
31 #define DE2_BLD_BASE				0x1000
32 #define DE2_CH_BASE				0x2000
33 #define DE2_CH_SIZE				0x1000
34 
35 #define DE3_BLD_BASE				0x0800
36 #define DE3_CH_BASE				0x1000
37 #define DE3_CH_SIZE				0x0800
38 
39 #define SUN8I_MIXER_BLEND_PIPE_CTL(base)	((base) + 0)
40 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, x)	((base) + 0x4 + 0x10 * (x))
41 #define SUN8I_MIXER_BLEND_ATTR_INSIZE(base, x)	((base) + 0x8 + 0x10 * (x))
42 #define SUN8I_MIXER_BLEND_ATTR_COORD(base, x)	((base) + 0xc + 0x10 * (x))
43 #define SUN8I_MIXER_BLEND_ROUTE(base)		((base) + 0x80)
44 #define SUN8I_MIXER_BLEND_PREMULTIPLY(base)	((base) + 0x84)
45 #define SUN8I_MIXER_BLEND_BKCOLOR(base)		((base) + 0x88)
46 #define SUN8I_MIXER_BLEND_OUTSIZE(base)		((base) + 0x8c)
47 #define SUN8I_MIXER_BLEND_MODE(base, x)		((base) + 0x90 + 0x04 * (x))
48 #define SUN8I_MIXER_BLEND_CK_CTL(base)		((base) + 0xb0)
49 #define SUN8I_MIXER_BLEND_CK_CFG(base)		((base) + 0xb4)
50 #define SUN8I_MIXER_BLEND_CK_MAX(base, x)	((base) + 0xc0 + 0x04 * (x))
51 #define SUN8I_MIXER_BLEND_CK_MIN(base, x)	((base) + 0xe0 + 0x04 * (x))
52 #define SUN8I_MIXER_BLEND_OUTCTL(base)		((base) + 0xfc)
53 #define SUN50I_MIXER_BLEND_CSC_CTL(base)	((base) + 0x100)
54 #define SUN50I_MIXER_BLEND_CSC_COEFF(base, layer, x, y) \
55 	((base) + 0x110 + (layer) * 0x30 +  (x) * 0x10 + 4 * (y))
56 #define SUN50I_MIXER_BLEND_CSC_CONST(base, layer, i) \
57 	((base) + 0x110 + (layer) * 0x30 +  (i) * 0x10 + 0x0c)
58 
59 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK	GENMASK(12, 8)
60 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN(pipe)	BIT(8 + pipe)
61 #define SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(pipe)	BIT(pipe)
62 
63 /* colors are always in AARRGGBB format */
64 #define SUN8I_MIXER_BLEND_COLOR_BLACK		0xff000000
65 /* The following numbers are some still unknown magic numbers */
66 #define SUN8I_MIXER_BLEND_MODE_DEF		0x03010301
67 
68 #define SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(n)	(0xf << ((n) << 2))
69 #define SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(n)	((n) << 2)
70 
71 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED	BIT(1)
72 
73 #define SUN50I_MIXER_BLEND_CSC_CTL_EN(ch)	BIT(ch)
74 #define SUN50I_MIXER_BLEND_CSC_CONST_VAL(d, c)	(((d) << 16) | ((c) & 0xffff))
75 
76 #define SUN8I_MIXER_FBFMT_ARGB8888	0
77 #define SUN8I_MIXER_FBFMT_ABGR8888	1
78 #define SUN8I_MIXER_FBFMT_RGBA8888	2
79 #define SUN8I_MIXER_FBFMT_BGRA8888	3
80 #define SUN8I_MIXER_FBFMT_XRGB8888	4
81 #define SUN8I_MIXER_FBFMT_XBGR8888	5
82 #define SUN8I_MIXER_FBFMT_RGBX8888	6
83 #define SUN8I_MIXER_FBFMT_BGRX8888	7
84 #define SUN8I_MIXER_FBFMT_RGB888	8
85 #define SUN8I_MIXER_FBFMT_BGR888	9
86 #define SUN8I_MIXER_FBFMT_RGB565	10
87 #define SUN8I_MIXER_FBFMT_BGR565	11
88 #define SUN8I_MIXER_FBFMT_ARGB4444	12
89 #define SUN8I_MIXER_FBFMT_ABGR4444	13
90 #define SUN8I_MIXER_FBFMT_RGBA4444	14
91 #define SUN8I_MIXER_FBFMT_BGRA4444	15
92 #define SUN8I_MIXER_FBFMT_ARGB1555	16
93 #define SUN8I_MIXER_FBFMT_ABGR1555	17
94 #define SUN8I_MIXER_FBFMT_RGBA5551	18
95 #define SUN8I_MIXER_FBFMT_BGRA5551	19
96 
97 #define SUN8I_MIXER_FBFMT_YUYV		0
98 #define SUN8I_MIXER_FBFMT_UYVY		1
99 #define SUN8I_MIXER_FBFMT_YVYU		2
100 #define SUN8I_MIXER_FBFMT_VYUY		3
101 #define SUN8I_MIXER_FBFMT_NV16		4
102 #define SUN8I_MIXER_FBFMT_NV61		5
103 #define SUN8I_MIXER_FBFMT_YUV422	6
104 /* format 7 doesn't exist */
105 #define SUN8I_MIXER_FBFMT_NV12		8
106 #define SUN8I_MIXER_FBFMT_NV21		9
107 #define SUN8I_MIXER_FBFMT_YUV420	10
108 /* format 11 doesn't exist */
109 /* format 12 is semi-planar YUV411 UVUV */
110 /* format 13 is semi-planar YUV411 VUVU */
111 #define SUN8I_MIXER_FBFMT_YUV411	14
112 
113 /*
114  * Sub-engines listed bellow are unused for now. The EN registers are here only
115  * to be used to disable these sub-engines.
116  */
117 #define SUN8I_MIXER_FCE_EN			0xa0000
118 #define SUN8I_MIXER_BWS_EN			0xa2000
119 #define SUN8I_MIXER_LTI_EN			0xa4000
120 #define SUN8I_MIXER_PEAK_EN			0xa6000
121 #define SUN8I_MIXER_ASE_EN			0xa8000
122 #define SUN8I_MIXER_FCC_EN			0xaa000
123 #define SUN8I_MIXER_DCSC_EN			0xb0000
124 
125 #define SUN50I_MIXER_FCE_EN			0x70000
126 #define SUN50I_MIXER_PEAK_EN			0x70800
127 #define SUN50I_MIXER_LCTI_EN			0x71000
128 #define SUN50I_MIXER_BLS_EN			0x71800
129 #define SUN50I_MIXER_FCC_EN			0x72000
130 #define SUN50I_MIXER_DNS_EN			0x80000
131 #define SUN50I_MIXER_DRC_EN			0xa0000
132 #define SUN50I_MIXER_FMT_EN			0xa8000
133 #define SUN50I_MIXER_CDC0_EN			0xd0000
134 #define SUN50I_MIXER_CDC1_EN			0xd8000
135 
136 struct de2_fmt_info {
137 	u32			drm_fmt;
138 	u32			de2_fmt;
139 	bool			rgb;
140 	enum sun8i_csc_mode	csc;
141 };
142 
143 /**
144  * struct sun8i_mixer_cfg - mixer HW configuration
145  * @vi_num: number of VI channels
146  * @ui_num: number of UI channels
147  * @scaler_mask: bitmask which tells which channel supports scaling
148  *	First, scaler supports for VI channels is defined and after that, scaler
149  *	support for UI channels. For example, if mixer has 2 VI channels without
150  *	scaler and 2 UI channels with scaler, bitmask would be 0xC.
151  * @ccsc: select set of CCSC base addresses
152  *	Set value to 0 if this is first mixer or second mixer with VEP support.
153  *	Set value to 1 if this is second mixer without VEP support. Other values
154  *	are invalid.
155  * @mod_rate: module clock rate that needs to be set in order to have
156  *	a functional block.
157  * @is_de3: true, if this is next gen display engine 3.0, false otherwise.
158  * @scaline_yuv: size of a scanline for VI scaler for YUV formats.
159  */
160 struct sun8i_mixer_cfg {
161 	int		vi_num;
162 	int		ui_num;
163 	int		scaler_mask;
164 	int		ccsc;
165 	unsigned long	mod_rate;
166 	unsigned int	is_de3 : 1;
167 	unsigned int	scanline_yuv;
168 };
169 
170 struct sun8i_mixer {
171 	struct sunxi_engine		engine;
172 
173 	const struct sun8i_mixer_cfg	*cfg;
174 
175 	struct reset_control		*reset;
176 
177 	struct clk			*bus_clk;
178 	struct clk			*mod_clk;
179 };
180 
181 static inline struct sun8i_mixer *
182 engine_to_sun8i_mixer(struct sunxi_engine *engine)
183 {
184 	return container_of(engine, struct sun8i_mixer, engine);
185 }
186 
187 static inline u32
188 sun8i_blender_base(struct sun8i_mixer *mixer)
189 {
190 	return mixer->cfg->is_de3 ? DE3_BLD_BASE : DE2_BLD_BASE;
191 }
192 
193 static inline u32
194 sun8i_channel_base(struct sun8i_mixer *mixer, int channel)
195 {
196 	if (mixer->cfg->is_de3)
197 		return DE3_CH_BASE + channel * DE3_CH_SIZE;
198 	else
199 		return DE2_CH_BASE + channel * DE2_CH_SIZE;
200 }
201 
202 const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
203 #endif /* _SUN8I_MIXER_H_ */
204