From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- drivers/pinctrl/mediatek/mtk-eint.h | 106 ++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 drivers/pinctrl/mediatek/mtk-eint.h (limited to 'drivers/pinctrl/mediatek/mtk-eint.h') diff --git a/drivers/pinctrl/mediatek/mtk-eint.h b/drivers/pinctrl/mediatek/mtk-eint.h new file mode 100644 index 000000000..c286a9b94 --- /dev/null +++ b/drivers/pinctrl/mediatek/mtk-eint.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2014-2018 MediaTek Inc. + * + * Author: Maoguang Meng + * Sean Wang + * + */ +#ifndef __MTK_EINT_H +#define __MTK_EINT_H + +#include + +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 */ -- cgit v1.2.3