OpenCloudOS-Kernel/drivers/clk/sunxi-ng/ccu_gate.h

128 lines
3.1 KiB
C

/* 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_ */