Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu / drivers / pinctrl / pinconf.h
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/* 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 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 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 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 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 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