1 /*
2 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
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_MIXER_H_
11 #define _SUN8I_MIXER_H_
12
13 #include <linux/clk.h>
14 #include <linux/regmap.h>
15 #include <linux/reset.h>
16
17 #include "sun8i_csc.h"
18 #include "sunxi_engine.h"
19
20 #define SUN8I_MIXER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1))
21 #define SUN8I_MIXER_COORD(x, y) ((y) << 16 | (x))
22
23 #define SUN8I_MIXER_GLOBAL_CTL 0x0
24 #define SUN8I_MIXER_GLOBAL_STATUS 0x4
25 #define SUN8I_MIXER_GLOBAL_DBUFF 0x8
26 #define SUN8I_MIXER_GLOBAL_SIZE 0xc
27
28 #define SUN8I_MIXER_GLOBAL_CTL_RT_EN BIT(0)
29
30 #define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE BIT(0)
31
32 #define SUN8I_MIXER_BLEND_PIPE_CTL 0x1000
33 #define SUN8I_MIXER_BLEND_ATTR_FCOLOR(x) (0x1004 + 0x10 * (x) + 0x0)
34 #define SUN8I_MIXER_BLEND_ATTR_INSIZE(x) (0x1004 + 0x10 * (x) + 0x4)
35 #define SUN8I_MIXER_BLEND_ATTR_COORD(x) (0x1004 + 0x10 * (x) + 0x8)
36 #define SUN8I_MIXER_BLEND_ROUTE 0x1080
37 #define SUN8I_MIXER_BLEND_PREMULTIPLY 0x1084
38 #define SUN8I_MIXER_BLEND_BKCOLOR 0x1088
39 #define SUN8I_MIXER_BLEND_OUTSIZE 0x108c
40 #define SUN8I_MIXER_BLEND_MODE(x) (0x1090 + 0x04 * (x))
41 #define SUN8I_MIXER_BLEND_CK_CTL 0x10b0
42 #define SUN8I_MIXER_BLEND_CK_CFG 0x10b4
43 #define SUN8I_MIXER_BLEND_CK_MAX(x) (0x10c0 + 0x04 * (x))
44 #define SUN8I_MIXER_BLEND_CK_MIN(x) (0x10e0 + 0x04 * (x))
45 #define SUN8I_MIXER_BLEND_OUTCTL 0x10fc
46
47 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK GENMASK(12, 8)
48 #define SUN8I_MIXER_BLEND_PIPE_CTL_EN(pipe) BIT(8 + pipe)
49 #define SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(pipe) BIT(pipe)
50 /* colors are always in AARRGGBB format */
51 #define SUN8I_MIXER_BLEND_COLOR_BLACK 0xff000000
52 /* The following numbers are some still unknown magic numbers */
53 #define SUN8I_MIXER_BLEND_MODE_DEF 0x03010301
54
55 #define SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(n) (0xf << ((n) << 2))
56 #define SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(n) ((n) << 2)
57
58 #define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED BIT(1)
59
60 #define SUN8I_MIXER_FBFMT_ARGB8888 0
61 #define SUN8I_MIXER_FBFMT_ABGR8888 1
62 #define SUN8I_MIXER_FBFMT_RGBA8888 2
63 #define SUN8I_MIXER_FBFMT_BGRA8888 3
64 #define SUN8I_MIXER_FBFMT_XRGB8888 4
65 #define SUN8I_MIXER_FBFMT_XBGR8888 5
66 #define SUN8I_MIXER_FBFMT_RGBX8888 6
67 #define SUN8I_MIXER_FBFMT_BGRX8888 7
68 #define SUN8I_MIXER_FBFMT_RGB888 8
69 #define SUN8I_MIXER_FBFMT_BGR888 9
70 #define SUN8I_MIXER_FBFMT_RGB565 10
71 #define SUN8I_MIXER_FBFMT_BGR565 11
72 #define SUN8I_MIXER_FBFMT_ARGB4444 12
73 #define SUN8I_MIXER_FBFMT_ABGR4444 13
74 #define SUN8I_MIXER_FBFMT_RGBA4444 14
75 #define SUN8I_MIXER_FBFMT_BGRA4444 15
76 #define SUN8I_MIXER_FBFMT_ARGB1555 16
77 #define SUN8I_MIXER_FBFMT_ABGR1555 17
78 #define SUN8I_MIXER_FBFMT_RGBA5551 18
79 #define SUN8I_MIXER_FBFMT_BGRA5551 19
80
81 #define SUN8I_MIXER_FBFMT_YUYV 0
82 #define SUN8I_MIXER_FBFMT_UYVY 1
83 #define SUN8I_MIXER_FBFMT_YVYU 2
84 #define SUN8I_MIXER_FBFMT_VYUY 3
85 #define SUN8I_MIXER_FBFMT_NV16 4
86 #define SUN8I_MIXER_FBFMT_NV61 5
87 #define SUN8I_MIXER_FBFMT_YUV422 6
88 /* format 7 doesn't exist */
89 #define SUN8I_MIXER_FBFMT_NV12 8
90 #define SUN8I_MIXER_FBFMT_NV21 9
91 #define SUN8I_MIXER_FBFMT_YUV420 10
92 /* format 11 doesn't exist */
93 /* format 12 is semi-planar YUV411 UVUV */
94 /* format 13 is semi-planar YUV411 VUVU */
95 #define SUN8I_MIXER_FBFMT_YUV411 14
96
97 /*
98 * These sub-engines are still unknown now, the EN registers are here only to
99 * be used to disable these sub-engines.
100 */
101 #define SUN8I_MIXER_FCE_EN 0xa0000
102 #define SUN8I_MIXER_BWS_EN 0xa2000
103 #define SUN8I_MIXER_LTI_EN 0xa4000
104 #define SUN8I_MIXER_PEAK_EN 0xa6000
105 #define SUN8I_MIXER_ASE_EN 0xa8000
106 #define SUN8I_MIXER_FCC_EN 0xaa000
107 #define SUN8I_MIXER_DCSC_EN 0xb0000
108
109 struct de2_fmt_info {
110 u32 drm_fmt;
111 u32 de2_fmt;
112 bool rgb;
113 enum sun8i_csc_mode csc;
114 };
115
116 /**
117 * struct sun8i_mixer_cfg - mixer HW configuration
118 * @vi_num: number of VI channels
119 * @ui_num: number of UI channels
120 * @scaler_mask: bitmask which tells which channel supports scaling
121 * First, scaler supports for VI channels is defined and after that, scaler
122 * support for UI channels. For example, if mixer has 2 VI channels without
123 * scaler and 2 UI channels with scaler, bitmask would be 0xC.
124 * @ccsc: select set of CCSC base addresses
125 * Set value to 0 if this is first mixer or second mixer with VEP support.
126 * Set value to 1 if this is second mixer without VEP support. Other values
127 * are invalid.
128 * @mod_rate: module clock rate that needs to be set in order to have
129 * a functional block.
130 */
131 struct sun8i_mixer_cfg {
132 int vi_num;
133 int ui_num;
134 int scaler_mask;
135 int ccsc;
136 unsigned long mod_rate;
137 };
138
139 struct sun8i_mixer {
140 struct sunxi_engine engine;
141
142 const struct sun8i_mixer_cfg *cfg;
143
144 struct reset_control *reset;
145
146 struct clk *bus_clk;
147 struct clk *mod_clk;
148 };
149
150 static inline struct sun8i_mixer *
engine_to_sun8i_mixer(struct sunxi_engine * engine)151 engine_to_sun8i_mixer(struct sunxi_engine *engine)
152 {
153 return container_of(engine, struct sun8i_mixer, engine);
154 }
155
156 const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
157 #endif /* _SUN8I_MIXER_H_ */
158