summaryrefslogtreecommitdiff
path: root/drivers/clk/sunxi-ng/ccu_gate.h
blob: dc05ce06737a6d14f88e8dbbd1d5d84355e35a30 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
 */

#ifndef _CCU_GATE_H_
#define _CCU_GATE_H_

#include <linux/clk-provider.h>

#include "ccu_common.h"

struct ccu_gate {
	u32			enable;

	struct ccu_common	common;
};

#define SUNXI_CCU_GATE(_struct, _name, _parent, _reg, _gate, _flags)	\
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.hw.init	= CLK_HW_INIT(_name,		\
						      _parent,		\
						      &ccu_gate_ops,	\
						      _flags),		\
		}							\
	}

#define SUNXI_CCU_GATE_HW(_struct, _name, _parent, _reg, _gate, _flags)	\
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.hw.init	= CLK_HW_INIT_HW(_name,		\
							 _parent,	\
							 &ccu_gate_ops,	\
							 _flags),	\
		}							\
	}

#define SUNXI_CCU_GATE_FW(_struct, _name, _parent, _reg, _gate, _flags)	\
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.hw.init	= CLK_HW_INIT_FW_NAME(_name,	\
							      _parent,	\
							      &ccu_gate_ops, \
							      _flags),	\
		}							\
	}

/*
 * The following macros allow the re-use of the data structure
 * holding the parent info.
 */
#define SUNXI_CCU_GATE_HWS(_struct, _name, _parent, _reg, _gate, _flags) \
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.hw.init	= CLK_HW_INIT_HWS(_name,	\
							  _parent,	\
							  &ccu_gate_ops, \
							  _flags),	\
		}							\
	}

#define SUNXI_CCU_GATE_HWS_WITH_PREDIV(_struct, _name, _parent, _reg,	\
				       _gate, _prediv, _flags)		\
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.prediv		= _prediv,			\
			.features	= CCU_FEATURE_ALL_PREDIV,	\
			.hw.init	= CLK_HW_INIT_HWS(_name,	\
							  _parent,	\
							  &ccu_gate_ops, \
							  _flags),	\
		}							\
	}

#define SUNXI_CCU_GATE_DATA(_struct, _name, _data, _reg, _gate, _flags)	\
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.hw.init	=				\
				CLK_HW_INIT_PARENTS_DATA(_name,		\
							 _data,		\
							 &ccu_gate_ops,	\
							 _flags),	\
		}							\
	}

#define SUNXI_CCU_GATE_DATA_WITH_PREDIV(_struct, _name, _parent, _reg,	\
					_gate, _prediv, _flags)		\
	struct ccu_gate _struct = {					\
		.enable	= _gate,					\
		.common	= {						\
			.reg		= _reg,				\
			.prediv		= _prediv,			\
			.features	= CCU_FEATURE_ALL_PREDIV,	\
			.hw.init	= CLK_HW_INIT_PARENTS_DATA(_name, \
								   _parent, \
								   &ccu_gate_ops, \
								   _flags), \
		}							\
	}

static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)
{
	struct ccu_common *common = hw_to_ccu_common(hw);

	return container_of(common, struct ccu_gate, common);
}

void ccu_gate_helper_disable(struct ccu_common *common, u32 gate);
int ccu_gate_helper_enable(struct ccu_common *common, u32 gate);
int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate);

extern const struct clk_ops ccu_gate_ops;

#endif /* _CCU_GATE_H_ */