GNU Linux-libre 4.9.306-gnu1
[releases.git] / drivers / gpu / drm / sun4i / sun4i_backend.h
1 /*
2  * Copyright (C) 2015 Free Electrons
3  * Copyright (C) 2015 NextThing Co
4  *
5  * Maxime Ripard <maxime.ripard@free-electrons.com>
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  */
12
13 #ifndef _SUN4I_BACKEND_H_
14 #define _SUN4I_BACKEND_H_
15
16 #include <linux/clk.h>
17 #include <linux/regmap.h>
18 #include <linux/reset.h>
19
20 #define SUN4I_BACKEND_MODCTL_REG                0x800
21 #define SUN4I_BACKEND_MODCTL_LINE_SEL                   BIT(29)
22 #define SUN4I_BACKEND_MODCTL_ITLMOD_EN                  BIT(28)
23 #define SUN4I_BACKEND_MODCTL_OUT_SEL                    GENMASK(22, 20)
24 #define SUN4I_BACKEND_MODCTL_OUT_LCD                            (0 << 20)
25 #define SUN4I_BACKEND_MODCTL_OUT_FE0                            (6 << 20)
26 #define SUN4I_BACKEND_MODCTL_OUT_FE1                            (7 << 20)
27 #define SUN4I_BACKEND_MODCTL_HWC_EN                     BIT(16)
28 #define SUN4I_BACKEND_MODCTL_LAY_EN(l)                  BIT(8 + l)
29 #define SUN4I_BACKEND_MODCTL_OCSC_EN                    BIT(5)
30 #define SUN4I_BACKEND_MODCTL_DFLK_EN                    BIT(4)
31 #define SUN4I_BACKEND_MODCTL_DLP_START_CTL              BIT(2)
32 #define SUN4I_BACKEND_MODCTL_START_CTL                  BIT(1)
33 #define SUN4I_BACKEND_MODCTL_DEBE_EN                    BIT(0)
34
35 #define SUN4I_BACKEND_BACKCOLOR_REG             0x804
36 #define SUN4I_BACKEND_BACKCOLOR(r, g, b)                (((r) << 16) | ((g) << 8) | (b))
37
38 #define SUN4I_BACKEND_DISSIZE_REG               0x808
39 #define SUN4I_BACKEND_DISSIZE(w, h)                     (((((h) - 1) & 0xffff) << 16) | \
40                                                          (((w) - 1) & 0xffff))
41
42 #define SUN4I_BACKEND_LAYSIZE_REG(l)            (0x810 + (0x4 * (l)))
43 #define SUN4I_BACKEND_LAYSIZE(w, h)                     (((((h) - 1) & 0x1fff) << 16) | \
44                                                          (((w) - 1) & 0x1fff))
45
46 #define SUN4I_BACKEND_LAYCOOR_REG(l)            (0x820 + (0x4 * (l)))
47 #define SUN4I_BACKEND_LAYCOOR(x, y)                     ((((u32)(y) & 0xffff) << 16) | \
48                                                          ((u32)(x) & 0xffff))
49
50 #define SUN4I_BACKEND_LAYLINEWIDTH_REG(l)       (0x840 + (0x4 * (l)))
51
52 #define SUN4I_BACKEND_LAYFB_L32ADD_REG(l)       (0x850 + (0x4 * (l)))
53
54 #define SUN4I_BACKEND_LAYFB_H4ADD_REG           0x860
55 #define SUN4I_BACKEND_LAYFB_H4ADD_MSK(l)                GENMASK(3 + ((l) * 8), (l) * 8)
56 #define SUN4I_BACKEND_LAYFB_H4ADD(l, val)               ((val) << ((l) * 8))
57
58 #define SUN4I_BACKEND_REGBUFFCTL_REG            0x870
59 #define SUN4I_BACKEND_REGBUFFCTL_AUTOLOAD_DIS           BIT(1)
60 #define SUN4I_BACKEND_REGBUFFCTL_LOADCTL                BIT(0)
61
62 #define SUN4I_BACKEND_CKMAX_REG                 0x880
63 #define SUN4I_BACKEND_CKMIN_REG                 0x884
64 #define SUN4I_BACKEND_CKCFG_REG                 0x888
65 #define SUN4I_BACKEND_ATTCTL_REG0(l)            (0x890 + (0x4 * (l)))
66 #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK      BIT(15)
67 #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(x)                ((x) << 15)
68 #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL_MASK       GENMASK(11, 10)
69 #define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL(x)                 ((x) << 10)
70
71 #define SUN4I_BACKEND_ATTCTL_REG1(l)            (0x8a0 + (0x4 * (l)))
72 #define SUN4I_BACKEND_ATTCTL_REG1_LAY_HSCAFCT           GENMASK(15, 14)
73 #define SUN4I_BACKEND_ATTCTL_REG1_LAY_WSCAFCT           GENMASK(13, 12)
74 #define SUN4I_BACKEND_ATTCTL_REG1_LAY_FBFMT             GENMASK(11, 8)
75 #define SUN4I_BACKEND_LAY_FBFMT_1BPP                            (0 << 8)
76 #define SUN4I_BACKEND_LAY_FBFMT_2BPP                            (1 << 8)
77 #define SUN4I_BACKEND_LAY_FBFMT_4BPP                            (2 << 8)
78 #define SUN4I_BACKEND_LAY_FBFMT_8BPP                            (3 << 8)
79 #define SUN4I_BACKEND_LAY_FBFMT_RGB655                          (4 << 8)
80 #define SUN4I_BACKEND_LAY_FBFMT_RGB565                          (5 << 8)
81 #define SUN4I_BACKEND_LAY_FBFMT_RGB556                          (6 << 8)
82 #define SUN4I_BACKEND_LAY_FBFMT_ARGB1555                        (7 << 8)
83 #define SUN4I_BACKEND_LAY_FBFMT_RGBA5551                        (8 << 8)
84 #define SUN4I_BACKEND_LAY_FBFMT_XRGB8888                        (9 << 8)
85 #define SUN4I_BACKEND_LAY_FBFMT_ARGB8888                        (10 << 8)
86 #define SUN4I_BACKEND_LAY_FBFMT_RGB888                          (11 << 8)
87 #define SUN4I_BACKEND_LAY_FBFMT_ARGB4444                        (12 << 8)
88 #define SUN4I_BACKEND_LAY_FBFMT_RGBA4444                        (13 << 8)
89
90 #define SUN4I_BACKEND_DLCDPCTL_REG              0x8b0
91 #define SUN4I_BACKEND_DLCDPFRMBUF_ADDRCTL_REG   0x8b4
92 #define SUN4I_BACKEND_DLCDPCOOR_REG0            0x8b8
93 #define SUN4I_BACKEND_DLCDPCOOR_REG1            0x8bc
94
95 #define SUN4I_BACKEND_INT_EN_REG                0x8c0
96 #define SUN4I_BACKEND_INT_FLAG_REG              0x8c4
97 #define SUN4I_BACKEND_REG_LOAD_FINISHED                 BIT(1)
98
99 #define SUN4I_BACKEND_HWCCTL_REG                0x8d8
100 #define SUN4I_BACKEND_HWCFBCTL_REG              0x8e0
101 #define SUN4I_BACKEND_WBCTL_REG                 0x8f0
102 #define SUN4I_BACKEND_WBADD_REG                 0x8f4
103 #define SUN4I_BACKEND_WBLINEWIDTH_REG           0x8f8
104 #define SUN4I_BACKEND_SPREN_REG                 0x900
105 #define SUN4I_BACKEND_SPRFMTCTL_REG             0x908
106 #define SUN4I_BACKEND_SPRALPHACTL_REG           0x90c
107 #define SUN4I_BACKEND_IYUVCTL_REG               0x920
108 #define SUN4I_BACKEND_IYUVADD_REG(c)            (0x930 + (0x4 * (c)))
109 #define SUN4I_BACKEND_IYUVLINEWITDTH_REG(c)     (0x940 + (0x4 * (c)))
110 #define SUN4I_BACKEND_YGCOEF_REG(c)             (0x950 + (0x4 * (c)))
111 #define SUN4I_BACKEND_YGCONS_REG                0x95c
112 #define SUN4I_BACKEND_URCOEF_REG(c)             (0x960 + (0x4 * (c)))
113 #define SUN4I_BACKEND_URCONS_REG                0x96c
114 #define SUN4I_BACKEND_VBCOEF_REG(c)             (0x970 + (0x4 * (c)))
115 #define SUN4I_BACKEND_VBCONS_REG                0x97c
116 #define SUN4I_BACKEND_KSCTL_REG                 0x980
117 #define SUN4I_BACKEND_KSBKCOLOR_REG             0x984
118 #define SUN4I_BACKEND_KSFSTLINEWIDTH_REG        0x988
119 #define SUN4I_BACKEND_KSVSCAFCT_REG             0x98c
120 #define SUN4I_BACKEND_KSHSCACOEF_REG(x)         (0x9a0 + (0x4 * (x)))
121 #define SUN4I_BACKEND_OCCTL_REG                 0x9c0
122 #define SUN4I_BACKEND_OCCTL_ENABLE                      BIT(0)
123
124 #define SUN4I_BACKEND_OCRCOEF_REG(x)            (0x9d0 + (0x4 * (x)))
125 #define SUN4I_BACKEND_OCRCONS_REG               0x9dc
126 #define SUN4I_BACKEND_OCGCOEF_REG(x)            (0x9e0 + (0x4 * (x)))
127 #define SUN4I_BACKEND_OCGCONS_REG               0x9ec
128 #define SUN4I_BACKEND_OCBCOEF_REG(x)            (0x9f0 + (0x4 * (x)))
129 #define SUN4I_BACKEND_OCBCONS_REG               0x9fc
130 #define SUN4I_BACKEND_SPRCOORCTL_REG(s)         (0xa00 + (0x4 * (s)))
131 #define SUN4I_BACKEND_SPRATTCTL_REG(s)          (0xb00 + (0x4 * (s)))
132 #define SUN4I_BACKEND_SPRADD_REG(s)             (0xc00 + (0x4 * (s)))
133 #define SUN4I_BACKEND_SPRLINEWIDTH_REG(s)       (0xd00 + (0x4 * (s)))
134
135 #define SUN4I_BACKEND_SPRPALTAB_OFF             0x4000
136 #define SUN4I_BACKEND_GAMMATAB_OFF              0x4400
137 #define SUN4I_BACKEND_HWCPATTERN_OFF            0x4800
138 #define SUN4I_BACKEND_HWCCOLORTAB_OFF           0x4c00
139 #define SUN4I_BACKEND_PIPE_OFF(p)               (0x5000 + (0x400 * (p)))
140
141 struct sun4i_backend {
142         struct regmap           *regs;
143
144         struct reset_control    *reset;
145
146         struct clk              *bus_clk;
147         struct clk              *mod_clk;
148         struct clk              *ram_clk;
149
150         struct clk              *sat_clk;
151         struct reset_control    *sat_reset;
152 };
153
154 void sun4i_backend_apply_color_correction(struct sun4i_backend *backend);
155 void sun4i_backend_disable_color_correction(struct sun4i_backend *backend);
156
157 void sun4i_backend_commit(struct sun4i_backend *backend);
158
159 void sun4i_backend_layer_enable(struct sun4i_backend *backend,
160                                 int layer, bool enable);
161 int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
162                                      int layer, struct drm_plane *plane);
163 int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
164                                        int layer, struct drm_plane *plane);
165 int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
166                                       int layer, struct drm_plane *plane);
167
168 #endif /* _SUN4I_BACKEND_H_ */