| /* SPDX-License-Identifier: GPL-2.0 */ | |
| /* | |
| * Copyright (C) 2014-2018 MediaTek Inc. | |
| * | |
| * Author: Maoguang Meng <maoguang.meng@mediatek.com> | |
| * Sean Wang <sean.wang@mediatek.com> | |
| * | |
| */ | |
| #ifndef __MTK_EINT_H | |
| #define __MTK_EINT_H | |
| #include <linux/irqdomain.h> | |
| struct mtk_eint_regs { | |
| unsigned int stat; | |
| unsigned int ack; | |
| unsigned int mask; | |
| unsigned int mask_set; | |
| unsigned int mask_clr; | |
| unsigned int sens; | |
| unsigned int sens_set; | |
| unsigned int sens_clr; | |
| unsigned int soft; | |
| unsigned int soft_set; | |
| unsigned int soft_clr; | |
| unsigned int pol; | |
| unsigned int pol_set; | |
| unsigned int pol_clr; | |
| unsigned int dom_en; | |
| unsigned int dbnc_ctrl; | |
| unsigned int dbnc_set; | |
| unsigned int dbnc_clr; | |
| }; | |
| struct mtk_eint_hw { | |
| u8 port_mask; | |
| u8 ports; | |
| unsigned int ap_num; | |
| unsigned int db_cnt; | |
| }; | |
| struct mtk_eint; | |
| struct mtk_eint_xt { | |
| int (*get_gpio_n)(void *data, unsigned long eint_n, | |
| unsigned int *gpio_n, | |
| struct gpio_chip **gpio_chip); | |
| int (*get_gpio_state)(void *data, unsigned long eint_n); | |
| int (*set_gpio_as_eint)(void *data, unsigned long eint_n); | |
| }; | |
| struct mtk_eint { | |
| struct device *dev; | |
| void __iomem *base; | |
| struct irq_domain *domain; | |
| int irq; | |
| int *dual_edge; | |
| u32 *wake_mask; | |
| u32 *cur_mask; | |
| /* Used to fit into various EINT device */ | |
| const struct mtk_eint_hw *hw; | |
| const struct mtk_eint_regs *regs; | |
| /* Used to fit into various pinctrl device */ | |
| void *pctl; | |
| const struct mtk_eint_xt *gpio_xlate; | |
| }; | |
| #if IS_ENABLED(CONFIG_EINT_MTK) | |
| int mtk_eint_do_init(struct mtk_eint *eint); | |
| int mtk_eint_do_suspend(struct mtk_eint *eint); | |
| int mtk_eint_do_resume(struct mtk_eint *eint); | |
| int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_n, | |
| unsigned int debounce); | |
| int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n); | |
| #else | |
| static inline int mtk_eint_do_init(struct mtk_eint *eint) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| static inline int mtk_eint_do_suspend(struct mtk_eint *eint) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| static inline int mtk_eint_do_resume(struct mtk_eint *eint) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_n, | |
| unsigned int debounce) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n) | |
| { | |
| return -EOPNOTSUPP; | |
| } | |
| #endif | |
| #endif /* __MTK_EINT_H */ |