162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2014-2018 MediaTek Inc. 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Author: Maoguang Meng <maoguang.meng@mediatek.com> 662306a36Sopenharmony_ci * Sean Wang <sean.wang@mediatek.com> 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci */ 962306a36Sopenharmony_ci#ifndef __MTK_EINT_H 1062306a36Sopenharmony_ci#define __MTK_EINT_H 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#include <linux/irqdomain.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistruct mtk_eint_regs { 1562306a36Sopenharmony_ci unsigned int stat; 1662306a36Sopenharmony_ci unsigned int ack; 1762306a36Sopenharmony_ci unsigned int mask; 1862306a36Sopenharmony_ci unsigned int mask_set; 1962306a36Sopenharmony_ci unsigned int mask_clr; 2062306a36Sopenharmony_ci unsigned int sens; 2162306a36Sopenharmony_ci unsigned int sens_set; 2262306a36Sopenharmony_ci unsigned int sens_clr; 2362306a36Sopenharmony_ci unsigned int soft; 2462306a36Sopenharmony_ci unsigned int soft_set; 2562306a36Sopenharmony_ci unsigned int soft_clr; 2662306a36Sopenharmony_ci unsigned int pol; 2762306a36Sopenharmony_ci unsigned int pol_set; 2862306a36Sopenharmony_ci unsigned int pol_clr; 2962306a36Sopenharmony_ci unsigned int dom_en; 3062306a36Sopenharmony_ci unsigned int dbnc_ctrl; 3162306a36Sopenharmony_ci unsigned int dbnc_set; 3262306a36Sopenharmony_ci unsigned int dbnc_clr; 3362306a36Sopenharmony_ci}; 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_cistruct mtk_eint_hw { 3662306a36Sopenharmony_ci u8 port_mask; 3762306a36Sopenharmony_ci u8 ports; 3862306a36Sopenharmony_ci unsigned int ap_num; 3962306a36Sopenharmony_ci unsigned int db_cnt; 4062306a36Sopenharmony_ci const unsigned int *db_time; 4162306a36Sopenharmony_ci}; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ciextern const unsigned int debounce_time_mt2701[]; 4462306a36Sopenharmony_ciextern const unsigned int debounce_time_mt6765[]; 4562306a36Sopenharmony_ciextern const unsigned int debounce_time_mt6795[]; 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_cistruct mtk_eint; 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_cistruct mtk_eint_xt { 5062306a36Sopenharmony_ci int (*get_gpio_n)(void *data, unsigned long eint_n, 5162306a36Sopenharmony_ci unsigned int *gpio_n, 5262306a36Sopenharmony_ci struct gpio_chip **gpio_chip); 5362306a36Sopenharmony_ci int (*get_gpio_state)(void *data, unsigned long eint_n); 5462306a36Sopenharmony_ci int (*set_gpio_as_eint)(void *data, unsigned long eint_n); 5562306a36Sopenharmony_ci}; 5662306a36Sopenharmony_ci 5762306a36Sopenharmony_cistruct mtk_eint { 5862306a36Sopenharmony_ci struct device *dev; 5962306a36Sopenharmony_ci void __iomem *base; 6062306a36Sopenharmony_ci struct irq_domain *domain; 6162306a36Sopenharmony_ci int irq; 6262306a36Sopenharmony_ci 6362306a36Sopenharmony_ci int *dual_edge; 6462306a36Sopenharmony_ci u32 *wake_mask; 6562306a36Sopenharmony_ci u32 *cur_mask; 6662306a36Sopenharmony_ci 6762306a36Sopenharmony_ci /* Used to fit into various EINT device */ 6862306a36Sopenharmony_ci const struct mtk_eint_hw *hw; 6962306a36Sopenharmony_ci const struct mtk_eint_regs *regs; 7062306a36Sopenharmony_ci u16 num_db_time; 7162306a36Sopenharmony_ci 7262306a36Sopenharmony_ci /* Used to fit into various pinctrl device */ 7362306a36Sopenharmony_ci void *pctl; 7462306a36Sopenharmony_ci const struct mtk_eint_xt *gpio_xlate; 7562306a36Sopenharmony_ci}; 7662306a36Sopenharmony_ci 7762306a36Sopenharmony_ci#if IS_ENABLED(CONFIG_EINT_MTK) 7862306a36Sopenharmony_ciint mtk_eint_do_init(struct mtk_eint *eint); 7962306a36Sopenharmony_ciint mtk_eint_do_suspend(struct mtk_eint *eint); 8062306a36Sopenharmony_ciint mtk_eint_do_resume(struct mtk_eint *eint); 8162306a36Sopenharmony_ciint mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_n, 8262306a36Sopenharmony_ci unsigned int debounce); 8362306a36Sopenharmony_ciint mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n); 8462306a36Sopenharmony_ci 8562306a36Sopenharmony_ci#else 8662306a36Sopenharmony_cistatic inline int mtk_eint_do_init(struct mtk_eint *eint) 8762306a36Sopenharmony_ci{ 8862306a36Sopenharmony_ci return -EOPNOTSUPP; 8962306a36Sopenharmony_ci} 9062306a36Sopenharmony_ci 9162306a36Sopenharmony_cistatic inline int mtk_eint_do_suspend(struct mtk_eint *eint) 9262306a36Sopenharmony_ci{ 9362306a36Sopenharmony_ci return -EOPNOTSUPP; 9462306a36Sopenharmony_ci} 9562306a36Sopenharmony_ci 9662306a36Sopenharmony_cistatic inline int mtk_eint_do_resume(struct mtk_eint *eint) 9762306a36Sopenharmony_ci{ 9862306a36Sopenharmony_ci return -EOPNOTSUPP; 9962306a36Sopenharmony_ci} 10062306a36Sopenharmony_ci 10162306a36Sopenharmony_cistatic inline int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_n, 10262306a36Sopenharmony_ci unsigned int debounce) 10362306a36Sopenharmony_ci{ 10462306a36Sopenharmony_ci return -EOPNOTSUPP; 10562306a36Sopenharmony_ci} 10662306a36Sopenharmony_ci 10762306a36Sopenharmony_cistatic inline int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n) 10862306a36Sopenharmony_ci{ 10962306a36Sopenharmony_ci return -EOPNOTSUPP; 11062306a36Sopenharmony_ci} 11162306a36Sopenharmony_ci#endif 11262306a36Sopenharmony_ci#endif /* __MTK_EINT_H */ 113