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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Internal interface between the core pin control system and the
* pin config portions
*
* Copyright (C) 2011 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>
*/
#include <linux/errno.h>
struct dentry;
struct device_node;
struct seq_file;
struct pinctrl_dev;
struct pinctrl_map;
struct pinctrl_setting;
#ifdef CONFIG_PINCONF
int pinconf_check_ops(struct pinctrl_dev *pctldev);
int pinconf_validate_map(const struct pinctrl_map *map, int i);
int pinconf_map_to_setting(const struct pinctrl_map *map,
struct pinctrl_setting *setting);
void pinconf_free_setting(const struct pinctrl_setting *setting);
int pinconf_apply_setting(const struct pinctrl_setting *setting);
int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, size_t nconfigs);
/*
* You will only be interested in these if you're using PINCONF
* so don't supply any stubs for these.
*/
int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *config);
int pin_config_group_get(const char *dev_name, const char *pin_group,
unsigned long *config);
#else
static inline int pinconf_check_ops(struct pinctrl_dev *pctldev)
{
return 0;
}
static inline int pinconf_validate_map(const struct pinctrl_map *map, int i)
{
return 0;
}
static inline int pinconf_map_to_setting(const struct pinctrl_map *map,
struct pinctrl_setting *setting)
{
return 0;
}
static inline void pinconf_free_setting(const struct pinctrl_setting *setting)
{
}
static inline int pinconf_apply_setting(const struct pinctrl_setting *setting)
{
return 0;
}
static inline int pinconf_set_config(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, size_t nconfigs)
{
return -ENOTSUPP;
}
#endif
#if defined(CONFIG_PINCONF) && defined(CONFIG_DEBUG_FS)
void pinconf_show_map(struct seq_file *s, const struct pinctrl_map *map);
void pinconf_show_setting(struct seq_file *s,
const struct pinctrl_setting *setting);
void pinconf_init_device_debugfs(struct dentry *devroot,
struct pinctrl_dev *pctldev);
#else
static inline void pinconf_show_map(struct seq_file *s,
const struct pinctrl_map *map)
{
}
static inline void pinconf_show_setting(struct seq_file *s,
const struct pinctrl_setting *setting)
{
}
static inline void pinconf_init_device_debugfs(struct dentry *devroot,
struct pinctrl_dev *pctldev)
{
}
#endif
/*
* The following functions are available if the driver uses the generic
* pin config.
*/
#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS)
void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
struct seq_file *s, const char *gname,
unsigned int pin);
void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
struct seq_file *s, unsigned long config);
#else
static inline void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev,
struct seq_file *s,
const char *gname, unsigned int pin)
{
return;
}
static inline void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
struct seq_file *s,
unsigned long config)
{
return;
}
#endif
#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_OF)
int pinconf_generic_parse_dt_config(struct device_node *np,
struct pinctrl_dev *pctldev,
unsigned long **configs,
unsigned int *nconfigs);
#endif
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