xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */
2*4882a593Smuzhiyun /* Copyright (c) 2018 Jernej Skrabec <jernej.skrabec@siol.net> */
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifndef _SUN8I_TCON_TOP_H_
5*4882a593Smuzhiyun #define _SUN8I_TCON_TOP_H_
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/clk.h>
8*4882a593Smuzhiyun #include <linux/clk-provider.h>
9*4882a593Smuzhiyun #include <linux/reset.h>
10*4882a593Smuzhiyun #include <linux/spinlock.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define TCON_TOP_TCON_TV_SETUP_REG	0x00
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define TCON_TOP_PORT_SEL_REG		0x1C
15*4882a593Smuzhiyun #define TCON_TOP_PORT_DE0_MSK			GENMASK(1, 0)
16*4882a593Smuzhiyun #define TCON_TOP_PORT_DE1_MSK			GENMASK(5, 4)
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #define TCON_TOP_GATE_SRC_REG		0x20
19*4882a593Smuzhiyun #define TCON_TOP_HDMI_SRC_MSK			GENMASK(29, 28)
20*4882a593Smuzhiyun #define TCON_TOP_TCON_TV1_GATE			24
21*4882a593Smuzhiyun #define TCON_TOP_TCON_TV0_GATE			20
22*4882a593Smuzhiyun #define TCON_TOP_TCON_DSI_GATE			16
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #define CLK_NUM					3
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun struct sun8i_tcon_top {
27*4882a593Smuzhiyun 	struct clk			*bus;
28*4882a593Smuzhiyun 	struct clk_hw_onecell_data	*clk_data;
29*4882a593Smuzhiyun 	void __iomem			*regs;
30*4882a593Smuzhiyun 	struct reset_control		*rst;
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	/*
33*4882a593Smuzhiyun 	 * spinlock is used to synchronize access to same
34*4882a593Smuzhiyun 	 * register where multiple clock gates can be set.
35*4882a593Smuzhiyun 	 */
36*4882a593Smuzhiyun 	spinlock_t			reg_lock;
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun extern const struct of_device_id sun8i_tcon_top_of_table[];
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun int sun8i_tcon_top_set_hdmi_src(struct device *dev, int tcon);
42*4882a593Smuzhiyun int sun8i_tcon_top_de_config(struct device *dev, int mixer, int tcon);
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #endif /* _SUN8I_TCON_TOP_H_ */
45