1 /*
2 * Internal interface between the core pin control system and the
3 * pinmux portions
4 *
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
8 *
9 * Author: Linus Walleij <linus.walleij@linaro.org>
10 *
11 * License terms: GNU General Public License (GPL) version 2
12 */
13 #ifdef CONFIG_PINMUX
14
15 int pinmux_check_ops(struct pinctrl_dev *pctldev);
16
17 int pinmux_validate_map(struct pinctrl_map const *map, int i);
18
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);
27
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);
33
34 #else
35
pinmux_check_ops(struct pinctrl_dev * pctldev)36 static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
37 {
38 return 0;
39 }
40
pinmux_validate_map(struct pinctrl_map const * map,int i)41 static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
42 {
43 return 0;
44 }
45
pinmux_request_gpio(struct pinctrl_dev * pctldev,struct pinctrl_gpio_range * range,unsigned pin,unsigned gpio)46 static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
47 struct pinctrl_gpio_range *range,
48 unsigned pin, unsigned gpio)
49 {
50 return 0;
51 }
52
pinmux_free_gpio(struct pinctrl_dev * pctldev,unsigned pin,struct pinctrl_gpio_range * range)53 static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
54 unsigned pin,
55 struct pinctrl_gpio_range *range)
56 {
57 }
58
pinmux_gpio_direction(struct pinctrl_dev * pctldev,struct pinctrl_gpio_range * range,unsigned pin,bool input)59 static inline int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
60 struct pinctrl_gpio_range *range,
61 unsigned pin, bool input)
62 {
63 return 0;
64 }
65
pinmux_map_to_setting(struct pinctrl_map const * map,struct pinctrl_setting * setting)66 static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
67 struct pinctrl_setting *setting)
68 {
69 return 0;
70 }
71
pinmux_free_setting(struct pinctrl_setting const * setting)72 static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
73 {
74 }
75
pinmux_enable_setting(struct pinctrl_setting const * setting)76 static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
77 {
78 return 0;
79 }
80
pinmux_disable_setting(struct pinctrl_setting const * setting)81 static inline void pinmux_disable_setting(
82 struct pinctrl_setting const *setting)
83 {
84 }
85
86 #endif
87
88 #if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)
89
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);
95
96 #else
97
pinmux_show_map(struct seq_file * s,struct pinctrl_map const * map)98 static inline void pinmux_show_map(struct seq_file *s,
99 struct pinctrl_map const *map)
100 {
101 }
102
pinmux_show_setting(struct seq_file * s,struct pinctrl_setting const * setting)103 static inline void pinmux_show_setting(struct seq_file *s,
104 struct pinctrl_setting const *setting)
105 {
106 }
107
pinmux_init_device_debugfs(struct dentry * devroot,struct pinctrl_dev * pctldev)108 static inline void pinmux_init_device_debugfs(struct dentry *devroot,
109 struct pinctrl_dev *pctldev)
110 {
111 }
112
113 #endif
114