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pinmux.h
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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 <[email protected]>
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 
36 static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
37 {
38  return 0;
39 }
40 
41 static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
42 {
43  return 0;
44 }
45 
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 
53 static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
54  unsigned pin,
55  struct pinctrl_gpio_range *range)
56 {
57 }
58 
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 
66 static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
67  struct pinctrl_setting *setting)
68 {
69  return 0;
70 }
71 
72 static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
73 {
74 }
75 
76 static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
77 {
78  return 0;
79 }
80 
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 
98 static inline void pinmux_show_map(struct seq_file *s,
99  struct pinctrl_map const *map)
100 {
101 }
102 
103 static inline void pinmux_show_setting(struct seq_file *s,
104  struct pinctrl_setting const *setting)
105 {
106 }
107 
108 static inline void pinmux_init_device_debugfs(struct dentry *devroot,
109  struct pinctrl_dev *pctldev)
110 {
111 }
112 
113 #endif
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