/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2018 MediaTek Inc. * * Author: Sean Wang <[email protected]> * */ #ifndef __PINCTRL_MTK_COMMON_V2_H #define __PINCTRL_MTK_COMMON_V2_H #include <linux/gpio/driver.h> #define MTK_INPUT … #define MTK_OUTPUT … #define MTK_DISABLE … #define MTK_ENABLE … #define MTK_PULLDOWN … #define MTK_PULLUP … #define MTK_PULL_PU_PD_TYPE … #define MTK_PULL_PULLSEL_TYPE … #define MTK_PULL_PUPD_R1R0_TYPE … /* MTK_PULL_RSEL_TYPE can select resistance and can be * turned on/off itself. But it can't be selected pull up/down */ #define MTK_PULL_RSEL_TYPE … /* MTK_PULL_PU_PD_RSEL_TYPE is a type which is controlled by * MTK_PULL_PU_PD_TYPE and MTK_PULL_RSEL_TYPE. */ #define MTK_PULL_PU_PD_RSEL_TYPE … #define MTK_PULL_TYPE_MASK … #define EINT_NA … #define NO_EINT_SUPPORT … #define PIN_FIELD_CALC(_s_pin, _e_pin, _i_base, _s_addr, _x_addrs, \ _s_bit, _x_bits, _sz_reg, _fixed) … #define PIN_FIELD(_s_pin, _e_pin, _s_addr, _x_addrs, _s_bit, _x_bits) … #define PINS_FIELD(_s_pin, _e_pin, _s_addr, _x_addrs, _s_bit, _x_bits) … #define PIN_RSEL(_s_pin, _e_pin, _rsel_index, _up_resl, _down_rsel) … /* List these attributes which could be modified for the pin */ enum { … }; /* Group the pins by the driving current */ enum { … }; static const char * const mtk_default_register_base_names[] __maybe_unused = …; /* struct mtk_pin_field - the structure that holds the information of the field * used to describe the attribute for the pin * @base: the index pointing to the entry in base address list * @offset: the register offset relative to the base address * @mask: the mask used to filter out the field from the register * @bitpos: the start bit relative to the register * @next: the indication that the field would be extended to the next register */ struct mtk_pin_field { … }; /* struct mtk_pin_field_calc - the structure that holds the range providing * the guide used to look up the relevant field * @s_pin: the start pin within the range * @e_pin: the end pin within the range * @i_base: the index pointing to the entry in base address list * @s_addr: the start address for the range * @x_addrs: the address distance between two consecutive registers * within the range * @s_bit: the start bit for the first register within the range * @x_bits: the bit distance between two consecutive pins within * the range * @sz_reg: the size of bits in a register * @fixed: the consecutive pins share the same bits with the 1st * pin */ struct mtk_pin_field_calc { … }; /** * struct mtk_pin_rsel - the structure that provides bias resistance selection. * @s_pin: the start pin within the rsel range * @e_pin: the end pin within the rsel range * @rsel_index: the rsel bias resistance index * @up_rsel: the pullup rsel bias resistance value * @down_rsel: the pulldown rsel bias resistance value */ struct mtk_pin_rsel { … }; /* struct mtk_pin_reg_calc - the structure that holds all ranges used to * determine which register the pin would make use of * for certain pin attribute. * @range: the start address for the range * @nranges: the number of items in the range */ struct mtk_pin_reg_calc { … }; /** * struct mtk_func_desc - the structure that providing information * all the funcs for this pin * @name: the name of function * @muxval: the mux to the function */ struct mtk_func_desc { … }; /** * struct mtk_eint_desc - the structure that providing information * for eint data per pin * @eint_m: the eint mux for this pin * @eitn_n: the eint number for this pin */ struct mtk_eint_desc { … }; /** * struct mtk_pin_desc - the structure that providing information * for each pin of chips * @number: unique pin number from the global pin number space * @name: name for this pin * @eint: the eint data for this pin * @drv_n: the index with the driving group * @funcs: all available functions for this pins (only used in * those drivers compatible to pinctrl-mtk-common.c-like * ones) */ struct mtk_pin_desc { … }; struct mtk_pinctrl_group { … }; struct mtk_pinctrl; /* struct mtk_pin_soc - the structure that holds SoC-specific data */ struct mtk_pin_soc { … }; struct mtk_pinctrl { … }; void mtk_rmw(struct mtk_pinctrl *pctl, u8 i, u32 reg, u32 mask, u32 set); int mtk_hw_set_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int field, int value); int mtk_hw_get_value(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int field, int *value); int mtk_build_eint(struct mtk_pinctrl *hw, struct platform_device *pdev); int mtk_pinconf_bias_disable_set(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc); int mtk_pinconf_bias_disable_get(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int *res); int mtk_pinconf_bias_set(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, bool pullup); int mtk_pinconf_bias_get(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, bool pullup, int *res); int mtk_pinconf_bias_disable_set_rev1(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc); int mtk_pinconf_bias_disable_get_rev1(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int *res); int mtk_pinconf_bias_set_rev1(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, bool pullup); int mtk_pinconf_bias_get_rev1(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, bool pullup, int *res); int mtk_pinconf_bias_set_combo(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 pullup, u32 enable); int mtk_pinconf_bias_get_combo(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 *pullup, u32 *enable); int mtk_pinconf_drive_set(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 arg); int mtk_pinconf_drive_get(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int *val); int mtk_pinconf_drive_set_rev1(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 arg); int mtk_pinconf_drive_get_rev1(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int *val); int mtk_pinconf_drive_set_raw(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 arg); int mtk_pinconf_drive_get_raw(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, int *val); int mtk_pinconf_adv_pull_set(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, bool pullup, u32 arg); int mtk_pinconf_adv_pull_get(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, bool pullup, u32 *val); int mtk_pinconf_adv_drive_set(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 arg); int mtk_pinconf_adv_drive_get(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 *val); int mtk_pinconf_adv_drive_set_raw(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 arg); int mtk_pinconf_adv_drive_get_raw(struct mtk_pinctrl *hw, const struct mtk_pin_desc *desc, u32 *val); bool mtk_is_virt_gpio(struct mtk_pinctrl *hw, unsigned int gpio_n); #endif /* __PINCTRL_MTK_COMMON_V2_H */
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