linux/drivers/gpu/drm/sun4i/sun8i_tcon_top.h

45 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2018 Jernej Skrabec <jernej.skrabec@siol.net> */
#ifndef _SUN8I_TCON_TOP_H_
#define _SUN8I_TCON_TOP_H_
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/reset.h>
#include <linux/spinlock.h>
#define TCON_TOP_TCON_TV_SETUP_REG 0x00
#define TCON_TOP_PORT_SEL_REG 0x1C
#define TCON_TOP_PORT_DE0_MSK GENMASK(1, 0)
#define TCON_TOP_PORT_DE1_MSK GENMASK(5, 4)
#define TCON_TOP_GATE_SRC_REG 0x20
#define TCON_TOP_HDMI_SRC_MSK GENMASK(29, 28)
#define TCON_TOP_TCON_TV1_GATE 24
#define TCON_TOP_TCON_TV0_GATE 20
#define TCON_TOP_TCON_DSI_GATE 16
#define CLK_NUM 3
struct sun8i_tcon_top {
struct clk *bus;
struct clk_hw_onecell_data *clk_data;
void __iomem *regs;
struct reset_control *rst;
/*
* spinlock is used to synchronize access to same
* register where multiple clock gates can be set.
*/
spinlock_t reg_lock;
};
extern const struct of_device_id sun8i_tcon_top_of_table[];
int sun8i_tcon_top_set_hdmi_src(struct device *dev, int tcon);
int sun8i_tcon_top_de_config(struct device *dev, int mixer, int tcon);
#endif /* _SUN8I_TCON_TOP_H_ */