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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240/* SPDX-License-Identifier: GPL-2.0-only *//* * Consumer interface the pin control subsystem * * Copyright (C) 2012 ST-Ericsson SA * Written on behalf of Linaro for ST-Ericsson * Based on bits of regulator core, gpio core and clk core * * Author: Linus Walleij <linus.walleij@linaro.org> */#ifndef __LINUX_PINCTRL_CONSUMER_H#define __LINUX_PINCTRL_CONSUMER_H
#include <linux/err.h>#include <linux/types.h>
#include <linux/pinctrl/pinctrl-state.h>
struct device;struct gpio_chip;
/* This struct is private to the core and should be regarded as a cookie */struct pinctrl;struct pinctrl_state;
#ifdef CONFIG_PINCTRL
/* External interface to pin control */bool pinctrl_gpio_can_use_line(struct gpio_chip *gc, unsigned int offset);int pinctrl_gpio_request(struct gpio_chip *gc, unsigned int offset);void pinctrl_gpio_free(struct gpio_chip *gc, unsigned int offset);int pinctrl_gpio_direction_input(struct gpio_chip *gc, unsigned int offset);int pinctrl_gpio_direction_output(struct gpio_chip *gc, unsigned int offset);int pinctrl_gpio_set_config(struct gpio_chip *gc, unsigned int offset, unsigned long config);int pinctrl_gpio_get_config(struct gpio_chip *gc, unsigned int offset, unsigned long *config);
struct pinctrl * __must_check pinctrl_get(struct device *dev);void pinctrl_put(struct pinctrl *p);struct pinctrl_state * __must_check pinctrl_lookup_state(struct pinctrl *p, const char *name);int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s);
struct pinctrl * __must_check devm_pinctrl_get(struct device *dev);void devm_pinctrl_put(struct pinctrl *p);int pinctrl_select_default_state(struct device *dev);
#ifdef CONFIG_PMint pinctrl_pm_select_default_state(struct device *dev);int pinctrl_pm_select_init_state(struct device *dev);int pinctrl_pm_select_sleep_state(struct device *dev);int pinctrl_pm_select_idle_state(struct device *dev);#elsestatic inline int pinctrl_pm_select_default_state(struct device *dev){ return 0;}static inline int pinctrl_pm_select_init_state(struct device *dev){ return 0;}static inline int pinctrl_pm_select_sleep_state(struct device *dev){ return 0;}static inline int pinctrl_pm_select_idle_state(struct device *dev){ return 0;}#endif
#else /* !CONFIG_PINCTRL */
static inline boolpinctrl_gpio_can_use_line(struct gpio_chip *gc, unsigned int offset){ return true;}
static inline intpinctrl_gpio_request(struct gpio_chip *gc, unsigned int offset){ return 0;}
static inline voidpinctrl_gpio_free(struct gpio_chip *gc, unsigned int offset){}
static inline intpinctrl_gpio_direction_input(struct gpio_chip *gc, unsigned int offset){ return 0;}
static inline intpinctrl_gpio_direction_output(struct gpio_chip *gc, unsigned int offset){ return 0;}
static inline intpinctrl_gpio_get_config(struct gpio_chip *gc, unsigned int offset, unsigned long *config){ return 0;}
static inline intpinctrl_gpio_set_config(struct gpio_chip *gc, unsigned int offset, unsigned long config){ return 0;}
static inline struct pinctrl * __must_check pinctrl_get(struct device *dev){ return NULL;}
static inline void pinctrl_put(struct pinctrl *p){}
static inline struct pinctrl_state * __must_check pinctrl_lookup_state(struct pinctrl *p, const char *name){ return NULL;}
static inline int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s){ return 0;}
static inline struct pinctrl * __must_check devm_pinctrl_get(struct device *dev){ return NULL;}
static inline void devm_pinctrl_put(struct pinctrl *p){}
static inline int pinctrl_select_default_state(struct device *dev){ return 0;}
static inline int pinctrl_pm_select_default_state(struct device *dev){ return 0;}
static inline int pinctrl_pm_select_init_state(struct device *dev){ return 0;}
static inline int pinctrl_pm_select_sleep_state(struct device *dev){ return 0;}
static inline int pinctrl_pm_select_idle_state(struct device *dev){ return 0;}
#endif /* CONFIG_PINCTRL */
static inline struct pinctrl * __must_check pinctrl_get_select(struct device *dev, const char *name){ struct pinctrl *p; struct pinctrl_state *s; int ret;
p = pinctrl_get(dev); if (IS_ERR(p)) return p;
s = pinctrl_lookup_state(p, name); if (IS_ERR(s)) { pinctrl_put(p); return ERR_CAST(s); }
ret = pinctrl_select_state(p, s); if (ret < 0) { pinctrl_put(p); return ERR_PTR(ret); }
return p;}
static inline struct pinctrl * __must_check pinctrl_get_select_default(struct device *dev){ return pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);}
static inline struct pinctrl * __must_check devm_pinctrl_get_select(struct device *dev, const char *name){ struct pinctrl *p; struct pinctrl_state *s; int ret;
p = devm_pinctrl_get(dev); if (IS_ERR(p)) return p;
s = pinctrl_lookup_state(p, name); if (IS_ERR(s)) { devm_pinctrl_put(p); return ERR_CAST(s); }
ret = pinctrl_select_state(p, s); if (ret < 0) { devm_pinctrl_put(p); return ERR_PTR(ret); }
return p;}
static inline struct pinctrl * __must_check devm_pinctrl_get_select_default(struct device *dev){ return devm_pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);}
#endif /* __LINUX_PINCTRL_CONSUMER_H */