Release 4.12 drivers/pinctrl/pinmux.h
/*
* Internal interface between the core pin control system and the
* pinmux 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>
*
* License terms: GNU General Public License (GPL) version 2
*/
#ifdef CONFIG_PINMUX
int pinmux_check_ops(struct pinctrl_dev *pctldev);
int pinmux_validate_map(struct pinctrl_map const *map, int i);
int pinmux_request_gpio(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned pin, unsigned gpio);
void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
struct pinctrl_gpio_range *range);
int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned pin, bool input);
int pinmux_map_to_setting(struct pinctrl_map const *map,
struct pinctrl_setting *setting);
void pinmux_free_setting(struct pinctrl_setting const *setting);
int pinmux_enable_setting(struct pinctrl_setting const *setting);
void pinmux_disable_setting(struct pinctrl_setting const *setting);
#else
static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
{
return 0;
}
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static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
{
return 0;
}
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static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned pin, unsigned gpio)
{
return 0;
}
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static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
unsigned pin,
struct pinctrl_gpio_range *range)
{
}
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static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned pin, bool input)
{
return 0;
}
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static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
struct pinctrl_setting *setting)
{
return 0;
}
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static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
{
}
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static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
{
return 0;
}
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static inline void pinmux_disable_setting(
struct pinctrl_setting const *setting)
{
}
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#endif
#if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)
void pinmux_show_map(struct seq_file *s, struct pinctrl_map const *map);
void pinmux_show_setting(struct seq_file *s,
struct pinctrl_setting const *setting);
void pinmux_init_device_debugfs(struct dentry *devroot,
struct pinctrl_dev *pctldev);
#else
static inline void pinmux_show_map(struct seq_file *s,
struct pinctrl_map const *map)
{
}
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static inline void pinmux_show_setting(struct seq_file *s,
struct pinctrl_setting const *setting)
{
}
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static inline void pinmux_init_device_debugfs(struct dentry *devroot,
struct pinctrl_dev *pctldev)
{
}
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#endif
#ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS
/**
* struct function_desc - generic function descriptor
* @name: name of the function
* @group_names: array of pin group names
* @num_group_names: number of pin group names
* @data: pin controller driver specific data
*/
struct function_desc {
const char *name;
const char **group_names;
int num_group_names;
void *data;
};
int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev);
const char *
pinmux_generic_get_function_name(struct pinctrl_dev *pctldev,
unsigned int selector);
int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
unsigned int selector,
const char * const **groups,
unsigned * const num_groups);
struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev,
unsigned int selector);
int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
const char *name,
const char **groups,
unsigned const num_groups,
void *data);
int pinmux_generic_remove_function(struct pinctrl_dev *pctldev,
unsigned int selector);
static inline int
pinmux_generic_remove_last_function(struct pinctrl_dev *pctldev)
{
return pinmux_generic_remove_function(pctldev,
pctldev->num_functions - 1);
}
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void pinmux_generic_free_functions(struct pinctrl_dev *pctldev);
#else
static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev)
{
}
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#endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */
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