2 * Internal interface between the core pin control system and the
5 * Copyright (C) 2011 ST-Ericsson SA
6 * Written on behalf of Linaro for ST-Ericsson
7 * Based on bits of regulator core, gpio core and clk core
9 * Author: Linus Walleij <linus.walleij@linaro.org>
11 * License terms: GNU General Public License (GPL) version 2
15 int pinmux_check_ops(struct pinctrl_dev *pctldev);
17 int pinmux_validate_map(struct pinctrl_map const *map, int i);
19 int pinmux_request_gpio(struct pinctrl_dev *pctldev,
20 struct pinctrl_gpio_range *range,
21 unsigned pin, unsigned gpio);
22 void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
23 struct pinctrl_gpio_range *range);
24 int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
25 struct pinctrl_gpio_range *range,
26 unsigned pin, bool input);
28 int pinmux_map_to_setting(struct pinctrl_map const *map,
29 struct pinctrl_setting *setting);
30 void pinmux_free_setting(struct pinctrl_setting const *setting);
31 int pinmux_enable_setting(struct pinctrl_setting const *setting);
32 void pinmux_disable_setting(struct pinctrl_setting const *setting);
36 static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
41 static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
46 static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
47 struct pinctrl_gpio_range *range,
48 unsigned pin, unsigned gpio)
53 static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
55 struct pinctrl_gpio_range *range)
59 static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
60 struct pinctrl_gpio_range *range,
61 unsigned pin, bool input)
66 static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
67 struct pinctrl_setting *setting)
72 static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
76 static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
81 static inline void pinmux_disable_setting(
82 struct pinctrl_setting const *setting)
88 #if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)
90 void pinmux_show_map(struct seq_file *s, struct pinctrl_map const *map);
91 void pinmux_show_setting(struct seq_file *s,
92 struct pinctrl_setting const *setting);
93 void pinmux_init_device_debugfs(struct dentry *devroot,
94 struct pinctrl_dev *pctldev);
98 static inline void pinmux_show_map(struct seq_file *s,
99 struct pinctrl_map const *map)
103 static inline void pinmux_show_setting(struct seq_file *s,
104 struct pinctrl_setting const *setting)
108 static inline void pinmux_init_device_debugfs(struct dentry *devroot,
109 struct pinctrl_dev *pctldev)
115 #ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS
118 * struct function_desc - generic function descriptor
119 * @name: name of the function
120 * @group_names: array of pin group names
121 * @num_group_names: number of pin group names
122 * @data: pin controller driver specific data
124 struct function_desc {
126 const char **group_names;
131 int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev);
134 pinmux_generic_get_function_name(struct pinctrl_dev *pctldev,
135 unsigned int selector);
137 int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev,
138 unsigned int selector,
139 const char * const **groups,
140 unsigned * const num_groups);
142 struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev,
143 unsigned int selector);
145 int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
148 unsigned const num_groups,
151 int pinmux_generic_remove_function(struct pinctrl_dev *pctldev,
152 unsigned int selector);
155 pinmux_generic_remove_last_function(struct pinctrl_dev *pctldev)
157 return pinmux_generic_remove_function(pctldev,
158 pctldev->num_functions - 1);
161 void pinmux_generic_free_functions(struct pinctrl_dev *pctldev);
165 static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev)
169 #endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */