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 "sunxi_engine.h"
14 
15 #define SUN8I_MIXER_SIZE(w, h)			(((h) - 1) << 16 | ((w) - 1))
16 #define SUN8I_MIXER_COORD(x, y)			((y) << 16 | (x))
17 
18 #define SUN8I_MIXER_GLOBAL_CTL			0x0
19 #define SUN8I_MIXER_GLOBAL_STATUS		0x4
20 #define SUN8I_MIXER_GLOBAL_DBUFF		0x8
21 #define SUN8I_MIXER_GLOBAL_SIZE			0xc
22 
23 #define SUN8I_MIXER_GLOBAL_CTL_RT_EN		BIT(0)
24 
25 #define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE		BIT(0)
26 
27 #define DE2_MIXER_UNIT_SIZE			0x6000
28 #define DE3_MIXER_UNIT_SIZE			0x3000
29 
30 #define DE2_BLD_BASE				0x1000
31 #define DE2_CH_BASE				0x2000
32 #define DE2_CH_SIZE				0x1000
33 
34 #define DE3_BLD_BASE				0x0800
35 #define DE3_CH_BASE				0x1000
36 #define DE3_CH_SIZE				0x0800
37 
38 #define SUN8I_MIXER_BLEND_PIPE_CTL(base)	((base) + 0)
39 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, x)	((base) + 0x4 + 0x10 * (x))
40 #define SUN8I_MIXER_BLEND_ATTR_INSIZE(base, x)	((base) + 0x8 + 0x10 * (x))
41 #define SUN8I_MIXER_BLEND_ATTR_COORD(base, x)	((base) + 0xc + 0x10 * (x))
42 #define SUN8I_MIXER_BLEND_ROUTE(base)		((base) + 0x80)
43 #define SUN8I_MIXER_BLEND_PREMULTIPLY(base)	((base) + 0x84)
44 #define SUN8I_MIXER_BLEND_BKCOLOR(base)		((base) + 0x88)
45 #define SUN8I_MIXER_BLEND_OUTSIZE(base)		((base) + 0x8c)
46 #define SUN8I_MIXER_BLEND_MODE(base, x)		((base) + 0x90 + 0x04 * (x))
47 #define SUN8I_MIXER_BLEND_CK_CTL(base)		((base) + 0xb0)
48 #define SUN8I_MIXER_BLEND_CK_CFG(base)		((base) + 0xb4)
49 #define SUN8I_MIXER_BLEND_CK_MAX(base, x)	((base) + 0xc0 + 0x04 * (x))
50 #define SUN8I_MIXER_BLEND_CK_MIN(base, x)	((base) + 0xe0 + 0x04 * (x))
51 #define SUN8I_MIXER_BLEND_OUTCTL(base)		((base) + 0xfc)
52 #define SUN50I_MIXER_BLEND_CSC_CTL(base)	((base) + 0x100)
53 #define SUN50I_MIXER_BLEND_CSC_COEFF(base, layer, x, y) \
54 	((base) + 0x110 + (layer) * 0x30 +  (x) * 0x10 + 4 * (y))
55 #define SUN50I_MIXER_BLEND_CSC_CONST(base, layer, i) \
56 	((base) + 0x110 + (layer) * 0x30 +  (i) * 0x10 + 0x0c)
57 
58 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK	GENMASK(12, 8)
59 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN(pipe)	BIT(8 + pipe)
60 #define SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(pipe)	BIT(pipe)
61 
62 /* colors are always in AARRGGBB format */
63 #define SUN8I_MIXER_BLEND_COLOR_BLACK		0xff000000
64 /* The following numbers are some still unknown magic numbers */
65 #define SUN8I_MIXER_BLEND_MODE_DEF		0x03010301
66 
67 #define SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(n)	(0xf << ((n) << 2))
68 #define SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(n)	((n) << 2)
69 
70 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED	BIT(1)
71 
72 #define SUN50I_MIXER_BLEND_CSC_CTL_EN(ch)	BIT(ch)
73 #define SUN50I_MIXER_BLEND_CSC_CONST_VAL(d, c)	(((d) << 16) | ((c) & 0xffff))
74 
75 #define SUN8I_MIXER_FBFMT_ARGB8888	0
76 #define SUN8I_MIXER_FBFMT_ABGR8888	1
77 #define SUN8I_MIXER_FBFMT_RGBA8888	2
78 #define SUN8I_MIXER_FBFMT_BGRA8888	3
79 #define SUN8I_MIXER_FBFMT_XRGB8888	4
80 #define SUN8I_MIXER_FBFMT_XBGR8888	5
81 #define SUN8I_MIXER_FBFMT_RGBX8888	6
82 #define SUN8I_MIXER_FBFMT_BGRX8888	7
83 #define SUN8I_MIXER_FBFMT_RGB888	8
84 #define SUN8I_MIXER_FBFMT_BGR888	9
85 #define SUN8I_MIXER_FBFMT_RGB565	10
86 #define SUN8I_MIXER_FBFMT_BGR565	11
87 #define SUN8I_MIXER_FBFMT_ARGB4444	12
88 #define SUN8I_MIXER_FBFMT_ABGR4444	13
89 #define SUN8I_MIXER_FBFMT_RGBA4444	14
90 #define SUN8I_MIXER_FBFMT_BGRA4444	15
91 #define SUN8I_MIXER_FBFMT_ARGB1555	16
92 #define SUN8I_MIXER_FBFMT_ABGR1555	17
93 #define SUN8I_MIXER_FBFMT_RGBA5551	18
94 #define SUN8I_MIXER_FBFMT_BGRA5551	19
95 #define SUN8I_MIXER_FBFMT_ARGB2101010	20
96 #define SUN8I_MIXER_FBFMT_ABGR2101010	21
97 #define SUN8I_MIXER_FBFMT_RGBA1010102	22
98 #define SUN8I_MIXER_FBFMT_BGRA1010102	23
99 
100 #define SUN8I_MIXER_FBFMT_YUYV		0
101 #define SUN8I_MIXER_FBFMT_UYVY		1
102 #define SUN8I_MIXER_FBFMT_YVYU		2
103 #define SUN8I_MIXER_FBFMT_VYUY		3
104 #define SUN8I_MIXER_FBFMT_NV16		4
105 #define SUN8I_MIXER_FBFMT_NV61		5
106 #define SUN8I_MIXER_FBFMT_YUV422	6
107 /* format 7 doesn't exist */
108 #define SUN8I_MIXER_FBFMT_NV12		8
109 #define SUN8I_MIXER_FBFMT_NV21		9
110 #define SUN8I_MIXER_FBFMT_YUV420	10
111 /* format 11 doesn't exist */
112 /* format 12 is semi-planar YUV411 UVUV */
113 /* format 13 is semi-planar YUV411 VUVU */
114 #define SUN8I_MIXER_FBFMT_YUV411	14
115 /* format 15 doesn't exist */
116 /* format 16 is P010 YVU */
117 #define SUN8I_MIXER_FBFMT_P010_YUV	17
118 /* format 18 is P210 YVU */
119 #define SUN8I_MIXER_FBFMT_P210_YUV	19
120 /* format 20 is packed YVU444 10-bit */
121 /* format 21 is packed YUV444 10-bit */
122 
123 /*
124  * Sub-engines listed bellow are unused for now. The EN registers are here only
125  * to be used to disable these sub-engines.
126  */
127 #define SUN8I_MIXER_FCE_EN			0xa0000
128 #define SUN8I_MIXER_BWS_EN			0xa2000
129 #define SUN8I_MIXER_LTI_EN			0xa4000
130 #define SUN8I_MIXER_PEAK_EN			0xa6000
131 #define SUN8I_MIXER_ASE_EN			0xa8000
132 #define SUN8I_MIXER_FCC_EN			0xaa000
133 #define SUN8I_MIXER_DCSC_EN			0xb0000
134 
135 #define SUN50I_MIXER_FCE_EN			0x70000
136 #define SUN50I_MIXER_PEAK_EN			0x70800
137 #define SUN50I_MIXER_LCTI_EN			0x71000
138 #define SUN50I_MIXER_BLS_EN			0x71800
139 #define SUN50I_MIXER_FCC_EN			0x72000
140 #define SUN50I_MIXER_DNS_EN			0x80000
141 #define SUN50I_MIXER_DRC_EN			0xa0000
142 #define SUN50I_MIXER_FMT_EN			0xa8000
143 #define SUN50I_MIXER_CDC0_EN			0xd0000
144 #define SUN50I_MIXER_CDC1_EN			0xd8000
145 
146 /**
147  * struct sun8i_mixer_cfg - mixer HW configuration
148  * @vi_num: number of VI channels
149  * @ui_num: number of UI channels
150  * @scaler_mask: bitmask which tells which channel supports scaling
151  *	First, scaler supports for VI channels is defined and after that, scaler
152  *	support for UI channels. For example, if mixer has 2 VI channels without
153  *	scaler and 2 UI channels with scaler, bitmask would be 0xC.
154  * @ccsc: select set of CCSC base addresses
155  *	Set value to 0 if this is first mixer or second mixer with VEP support.
156  *	Set value to 1 if this is second mixer without VEP support. Other values
157  *	are invalid.
158  * @mod_rate: module clock rate that needs to be set in order to have
159  *	a functional block.
160  * @is_de3: true, if this is next gen display engine 3.0, false otherwise.
161  * @scaline_yuv: size of a scanline for VI scaler for YUV formats.
162  */
163 struct sun8i_mixer_cfg {
164 	int		vi_num;
165 	int		ui_num;
166 	int		scaler_mask;
167 	int		ccsc;
168 	unsigned long	mod_rate;
169 	unsigned int	is_de3 : 1;
170 	unsigned int	scanline_yuv;
171 };
172 
173 struct sun8i_mixer {
174 	struct sunxi_engine		engine;
175 
176 	const struct sun8i_mixer_cfg	*cfg;
177 
178 	struct reset_control		*reset;
179 
180 	struct clk			*bus_clk;
181 	struct clk			*mod_clk;
182 };
183 
184 static inline struct sun8i_mixer *
185 engine_to_sun8i_mixer(struct sunxi_engine *engine)
186 {
187 	return container_of(engine, struct sun8i_mixer, engine);
188 }
189 
190 static inline u32
191 sun8i_blender_base(struct sun8i_mixer *mixer)
192 {
193 	return mixer->cfg->is_de3 ? DE3_BLD_BASE : DE2_BLD_BASE;
194 }
195 
196 static inline u32
197 sun8i_channel_base(struct sun8i_mixer *mixer, int channel)
198 {
199 	if (mixer->cfg->is_de3)
200 		return DE3_CH_BASE + channel * DE3_CH_SIZE;
201 	else
202 		return DE2_CH_BASE + channel * DE2_CH_SIZE;
203 }
204 
205 int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format);
206 #endif /* _SUN8I_MIXER_H_ */
207