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/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-5-1 GuEe-GUI first version
*/
#ifndef __CCU_DDN_H__
#define __CCU_DDN_H__
#include "ccu.h"
struct ccu_ddn_tbl
{
rt_uint32_t num;
rt_uint32_t den;
};
struct ccu_ddn_info
{
rt_uint32_t factor;
rt_uint32_t num_mask;
rt_uint32_t den_mask;
rt_uint32_t num_shift;
rt_uint32_t den_shift;
};
struct ccu_ddn_config
{
rt_uint32_t tbl_size;
struct ccu_ddn_tbl *tbl;
struct ccu_ddn_info *info;
};
struct ccu_ddn
{
struct ccu_common common;
struct ccu_ddn_config ddn;
rt_uint32_t gate;
};
#define PLL_DDN_TBL(_num, _den) \
{ \
.num = (_num), \
.den = (_den), \
}
#define _SPACEMIT_CCU_DDN_CONFIG(_info, _table, _size) \
{ \
.info = (struct ccu_ddn_info *)_info, \
.tbl = (struct ccu_ddn_tbl *)_table, \
.tbl_size = _size, \
}
#define SPACEMIT_CCU_DDN(_struct, _name, _parent, _info, _table, \
_size, _base_type, _reg_ctrl, _flags) \
struct ccu_ddn _struct = \
{ \
.ddn = _SPACEMIT_CCU_DDN_CONFIG(_info, _table, _size), \
.common = \
{ \
.reg_ctrl = _reg_ctrl, \
.base_type = _base_type, \
.cell.name = _name, \
.cell.parent_name = _parent, \
.cell.parents_nr = 1, \
.cell.ops = &ccu_ddn_ops, \
.cell.flags = _flags, \
}, \
}
#define SPACEMIT_CCU_DDN_GATE(_struct, _name, _parent, _info, _table, _size, \
_base_type, _reg_ddn, _reg_gate, _gate_mask, _flags) \
struct ccu_ddn _struct = \
{ \
.gate = _gate_mask, \
.ddn = _SPACEMIT_CCU_DDN_CONFIG(_info, _table, _size), \
.common = \
{ \
.reg_ctrl = _reg_ddn, \
.reg_sel = _reg_gate, \
.base_type = _base_type, \
.cell.name = _name, \
.cell.parent_name = _parent, \
.cell.parents_nr = 1, \
.cell.ops = &ccu_ddn_ops, \
.cell.flags = _flags, \
} \
}
extern const struct rt_clk_ops ccu_ddn_ops;
rt_inline struct ccu_ddn *cell_to_ccu_ddn(struct rt_clk_cell *cell)
{
struct ccu_common *common = cell_to_ccu_common(cell);
return rt_container_of(common, struct ccu_ddn, common);
}
#endif /* __CCU_DDN_H__ */
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