tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2017 Free Electrons
4 * Maxime Ripard <maxime.ripard@free-electrons.com>
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(mod) ((mod) << 8)
30#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT(fmt) ((fmt) << 4)
31#define SUN4I_FRONTEND_INPUT_FMT_PS(ps) (ps)
32
33#define SUN4I_FRONTEND_OUTPUT_FMT_REG 0x05c
34#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT(fmt) (fmt)
35
36#define SUN4I_FRONTEND_CH0_INSIZE_REG 0x100
37#define SUN4I_FRONTEND_INSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1)))
38
39#define SUN4I_FRONTEND_CH0_OUTSIZE_REG 0x104
40#define SUN4I_FRONTEND_OUTSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1)))
41
42#define SUN4I_FRONTEND_CH0_HORZFACT_REG 0x108
43#define SUN4I_FRONTEND_HORZFACT(i, f) (((i) << 16) | (f))
44
45#define SUN4I_FRONTEND_CH0_VERTFACT_REG 0x10c
46#define SUN4I_FRONTEND_VERTFACT(i, f) (((i) << 16) | (f))
47
48#define SUN4I_FRONTEND_CH0_HORZPHASE_REG 0x110
49#define SUN4I_FRONTEND_CH0_VERTPHASE0_REG 0x114
50#define SUN4I_FRONTEND_CH0_VERTPHASE1_REG 0x118
51
52#define SUN4I_FRONTEND_CH1_INSIZE_REG 0x200
53#define SUN4I_FRONTEND_CH1_OUTSIZE_REG 0x204
54#define SUN4I_FRONTEND_CH1_HORZFACT_REG 0x208
55#define SUN4I_FRONTEND_CH1_VERTFACT_REG 0x20c
56
57#define SUN4I_FRONTEND_CH1_HORZPHASE_REG 0x210
58#define SUN4I_FRONTEND_CH1_VERTPHASE0_REG 0x214
59#define SUN4I_FRONTEND_CH1_VERTPHASE1_REG 0x218
60
61#define SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i) (0x400 + i * 4)
62#define SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i) (0x480 + i * 4)
63#define SUN4I_FRONTEND_CH0_VERTCOEF_REG(i) (0x500 + i * 4)
64#define SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i) (0x600 + i * 4)
65#define SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i) (0x680 + i * 4)
66#define SUN4I_FRONTEND_CH1_VERTCOEF_REG(i) (0x700 + i * 4)
67
68struct clk;
69struct device_node;
70struct drm_plane;
71struct regmap;
72struct reset_control;
73
74struct sun4i_frontend {
75 struct list_head list;
76 struct device *dev;
77 struct device_node *node;
78
79 struct clk *bus_clk;
80 struct clk *mod_clk;
81 struct clk *ram_clk;
82 struct regmap *regs;
83 struct reset_control *reset;
84};
85
86extern const struct of_device_id sun4i_frontend_of_table[];
87
88int sun4i_frontend_init(struct sun4i_frontend *frontend);
89void sun4i_frontend_exit(struct sun4i_frontend *frontend);
90int sun4i_frontend_enable(struct sun4i_frontend *frontend);
91
92void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,
93 struct drm_plane *plane);
94void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,
95 struct drm_plane *plane);
96int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
97 struct drm_plane *plane, uint32_t out_fmt);
98
99#endif /* _SUN4I_FRONTEND_H_ */