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Merge tag 'mmc-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
[linux.git] / drivers / gpu / drm / sun4i / sun4i_frontend.h
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2017 Free Electrons
4  * Maxime Ripard <[email protected]>
5  */
6
7 #ifndef _SUN4I_FRONTEND_H_
8 #define _SUN4I_FRONTEND_H_
9
10 #include <linux/list.h>
11
12 #define SUN4I_FRONTEND_EN_REG                   0x000
13 #define SUN4I_FRONTEND_EN_EN                            BIT(0)
14
15 #define SUN4I_FRONTEND_FRM_CTRL_REG             0x004
16 #define SUN4I_FRONTEND_FRM_CTRL_COEF_ACCESS_CTRL        BIT(23)
17 #define SUN4I_FRONTEND_FRM_CTRL_FRM_START               BIT(16)
18 #define SUN4I_FRONTEND_FRM_CTRL_COEF_RDY                BIT(1)
19 #define SUN4I_FRONTEND_FRM_CTRL_REG_RDY                 BIT(0)
20
21 #define SUN4I_FRONTEND_BYPASS_REG               0x008
22 #define SUN4I_FRONTEND_BYPASS_CSC_EN                    BIT(1)
23
24 #define SUN4I_FRONTEND_BUF_ADDR0_REG            0x020
25
26 #define SUN4I_FRONTEND_LINESTRD0_REG            0x040
27
28 #define SUN4I_FRONTEND_INPUT_FMT_REG            0x04c
29 #define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED        (1 << 8)
30 #define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB           (5 << 4)
31 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX           0
32 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB           1
33
34 #define SUN4I_FRONTEND_OUTPUT_FMT_REG           0x05c
35 #define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888     1
36 #define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888     2
37
38 #define SUN4I_FRONTEND_CH0_INSIZE_REG           0x100
39 #define SUN4I_FRONTEND_INSIZE(h, w)                     ((((h) - 1) << 16) | (((w) - 1)))
40
41 #define SUN4I_FRONTEND_CH0_OUTSIZE_REG          0x104
42 #define SUN4I_FRONTEND_OUTSIZE(h, w)                    ((((h) - 1) << 16) | (((w) - 1)))
43
44 #define SUN4I_FRONTEND_CH0_HORZFACT_REG         0x108
45 #define SUN4I_FRONTEND_HORZFACT(i, f)                   (((i) << 16) | (f))
46
47 #define SUN4I_FRONTEND_CH0_VERTFACT_REG         0x10c
48 #define SUN4I_FRONTEND_VERTFACT(i, f)                   (((i) << 16) | (f))
49
50 #define SUN4I_FRONTEND_CH0_HORZPHASE_REG        0x110
51 #define SUN4I_FRONTEND_CH0_VERTPHASE0_REG       0x114
52 #define SUN4I_FRONTEND_CH0_VERTPHASE1_REG       0x118
53
54 #define SUN4I_FRONTEND_CH1_INSIZE_REG           0x200
55 #define SUN4I_FRONTEND_CH1_OUTSIZE_REG          0x204
56 #define SUN4I_FRONTEND_CH1_HORZFACT_REG         0x208
57 #define SUN4I_FRONTEND_CH1_VERTFACT_REG         0x20c
58
59 #define SUN4I_FRONTEND_CH1_HORZPHASE_REG        0x210
60 #define SUN4I_FRONTEND_CH1_VERTPHASE0_REG       0x214
61 #define SUN4I_FRONTEND_CH1_VERTPHASE1_REG       0x218
62
63 #define SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i)     (0x400 + i * 4)
64 #define SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i)     (0x480 + i * 4)
65 #define SUN4I_FRONTEND_CH0_VERTCOEF_REG(i)      (0x500 + i * 4)
66 #define SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i)     (0x600 + i * 4)
67 #define SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i)     (0x680 + i * 4)
68 #define SUN4I_FRONTEND_CH1_VERTCOEF_REG(i)      (0x700 + i * 4)
69
70 struct clk;
71 struct device_node;
72 struct drm_plane;
73 struct regmap;
74 struct reset_control;
75
76 struct sun4i_frontend {
77         struct list_head        list;
78         struct device           *dev;
79         struct device_node      *node;
80
81         struct clk              *bus_clk;
82         struct clk              *mod_clk;
83         struct clk              *ram_clk;
84         struct regmap           *regs;
85         struct reset_control    *reset;
86 };
87
88 extern const struct of_device_id sun4i_frontend_of_table[];
89
90 int sun4i_frontend_init(struct sun4i_frontend *frontend);
91 void sun4i_frontend_exit(struct sun4i_frontend *frontend);
92 int sun4i_frontend_enable(struct sun4i_frontend *frontend);
93
94 void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,
95                                   struct drm_plane *plane);
96 void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,
97                                  struct drm_plane *plane);
98 int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
99                                   struct drm_plane *plane, uint32_t out_fmt);
100 bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier);
101
102 #endif /* _SUN4I_FRONTEND_H_ */
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