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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>4 */5 6#ifndef _CLK_SOPHGO_CV18XX_IP_H_7#define _CLK_SOPHGO_CV18XX_IP_H_8 9#include <linux/compiler.h>10#include <linux/clk-provider.h>11#include <linux/bitfield.h>12 13struct cv1800_clk_common {14 void __iomem *base;15 spinlock_t *lock;16 struct clk_hw hw;17 unsigned long features;18};19 20#define CV1800_CLK_COMMON(_name, _parents, _op, _flags) \21 { \22 .hw.init = CLK_HW_INIT_PARENTS_DATA(_name, _parents, \23 _op, _flags), \24 }25 26static inline struct cv1800_clk_common *27hw_to_cv1800_clk_common(struct clk_hw *hw)28{29 return container_of(hw, struct cv1800_clk_common, hw);30}31 32struct cv1800_clk_regbit {33 u16 reg;34 s8 shift;35};36 37struct cv1800_clk_regfield {38 u16 reg;39 u8 shift;40 u8 width;41 s16 initval;42 unsigned long flags;43};44 45#define CV1800_CLK_BIT(_reg, _shift) \46 { \47 .reg = _reg, \48 .shift = _shift, \49 }50 51#define CV1800_CLK_REG(_reg, _shift, _width, _initval, _flags) \52 { \53 .reg = _reg, \54 .shift = _shift, \55 .width = _width, \56 .initval = _initval, \57 .flags = _flags, \58 }59 60#define cv1800_clk_regfield_genmask(_reg) \61 GENMASK((_reg)->shift + (_reg)->width - 1, (_reg)->shift)62#define cv1800_clk_regfield_get(_val, _reg) \63 (((_val) >> (_reg)->shift) & GENMASK((_reg)->width - 1, 0))64#define cv1800_clk_regfield_set(_val, _new, _reg) \65 (((_val) & ~cv1800_clk_regfield_genmask((_reg))) | \66 (((_new) & GENMASK((_reg)->width - 1, 0)) << (_reg)->shift))67 68#define _CV1800_SET_FIELD(_reg, _val, _field) \69 (((_reg) & ~(_field)) | FIELD_PREP((_field), (_val)))70 71int cv1800_clk_setbit(struct cv1800_clk_common *common,72 struct cv1800_clk_regbit *field);73int cv1800_clk_clearbit(struct cv1800_clk_common *common,74 struct cv1800_clk_regbit *field);75int cv1800_clk_checkbit(struct cv1800_clk_common *common,76 struct cv1800_clk_regbit *field);77 78void cv1800_clk_wait_for_lock(struct cv1800_clk_common *common,79 u32 reg, u32 lock);80 81#endif // _CLK_SOPHGO_CV18XX_IP_H_82