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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 Free Electrons
* Maxime Ripard <maxime.ripard@free-electrons.com>
*/
#ifndef _SUN4I_FRONTEND_H_
#define _SUN4I_FRONTEND_H_
#include <linux/list.h>
#define SUN4I_FRONTEND_EN_REG 0x000
#define SUN4I_FRONTEND_EN_EN BIT(0)
#define SUN4I_FRONTEND_FRM_CTRL_REG 0x004
#define SUN4I_FRONTEND_FRM_CTRL_COEF_ACCESS_CTRL BIT(23)
#define SUN4I_FRONTEND_FRM_CTRL_FRM_START BIT(16)
#define SUN4I_FRONTEND_FRM_CTRL_COEF_RDY BIT(1)
#define SUN4I_FRONTEND_FRM_CTRL_REG_RDY BIT(0)
#define SUN4I_FRONTEND_BYPASS_REG 0x008
#define SUN4I_FRONTEND_BYPASS_CSC_EN BIT(1)
#define SUN4I_FRONTEND_BUF_ADDR0_REG 0x020
#define SUN4I_FRONTEND_LINESTRD0_REG 0x040
#define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c
#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8)
#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB (5 << 4)
#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX 0
#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB 1
#define SUN4I_FRONTEND_OUTPUT_FMT_REG 0x05c
#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888 1
#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888 2
#define SUN4I_FRONTEND_CH0_INSIZE_REG 0x100
#define SUN4I_FRONTEND_INSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1)))
#define SUN4I_FRONTEND_CH0_OUTSIZE_REG 0x104
#define SUN4I_FRONTEND_OUTSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1)))
#define SUN4I_FRONTEND_CH0_HORZFACT_REG 0x108
#define SUN4I_FRONTEND_HORZFACT(i, f) (((i) << 16) | (f))
#define SUN4I_FRONTEND_CH0_VERTFACT_REG 0x10c
#define SUN4I_FRONTEND_VERTFACT(i, f) (((i) << 16) | (f))
#define SUN4I_FRONTEND_CH0_HORZPHASE_REG 0x110
#define SUN4I_FRONTEND_CH0_VERTPHASE0_REG 0x114
#define SUN4I_FRONTEND_CH0_VERTPHASE1_REG 0x118
#define SUN4I_FRONTEND_CH1_INSIZE_REG 0x200
#define SUN4I_FRONTEND_CH1_OUTSIZE_REG 0x204
#define SUN4I_FRONTEND_CH1_HORZFACT_REG 0x208
#define SUN4I_FRONTEND_CH1_VERTFACT_REG 0x20c
#define SUN4I_FRONTEND_CH1_HORZPHASE_REG 0x210
#define SUN4I_FRONTEND_CH1_VERTPHASE0_REG 0x214
#define SUN4I_FRONTEND_CH1_VERTPHASE1_REG 0x218
#define SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i) (0x400 + i * 4)
#define SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i) (0x480 + i * 4)
#define SUN4I_FRONTEND_CH0_VERTCOEF_REG(i) (0x500 + i * 4)
#define SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i) (0x600 + i * 4)
#define SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i) (0x680 + i * 4)
#define SUN4I_FRONTEND_CH1_VERTCOEF_REG(i) (0x700 + i * 4)
struct clk;
struct device_node;
struct drm_plane;
struct regmap;
struct reset_control;
struct sun4i_frontend {
struct list_head list;
struct device *dev;
struct device_node *node;
struct clk *bus_clk;
struct clk *mod_clk;
struct clk *ram_clk;
struct regmap *regs;
struct reset_control *reset;
};
extern const struct of_device_id sun4i_frontend_of_table[];
int sun4i_frontend_init(struct sun4i_frontend *frontend);
void sun4i_frontend_exit(struct sun4i_frontend *frontend);
int sun4i_frontend_enable(struct sun4i_frontend *frontend);
void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,
struct drm_plane *plane);
void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,
struct drm_plane *plane);
int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
struct drm_plane *plane, uint32_t out_fmt);
bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier);
#endif /* _SUN4I_FRONTEND_H_ */
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