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gerrit-public.fairphone.software / kernel / msm-4.9 / 330ee00412bbaefa7d0597a1bed7804e818ba91c / . / drivers / pinctrl / pinmux.h
blob: d1a98b1c9fcea6541b90683c377f76107539302f [file] [log] [blame]
Linus Walleij2744e8a2011-05-02 20:50:54 +0200[diff] [blame]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
Tony Lindgrenb9130b72012-01-24 16:28:08 -0800[diff] [blame]15int pinmux_check_ops(struct pinctrl_dev *pctldev);
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]16
Stephen Warren1e2082b2012-03-02 13:05:48 -0700[diff] [blame]17int pinmux_validate_map(struct pinctrl_map const *map, int i);
18
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]19int pinmux_request_gpio(struct pinctrl_dev *pctldev,
20 struct pinctrl_gpio_range *range,
21 unsigned pin, unsigned gpio);
22void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
23 struct pinctrl_gpio_range *range);
24int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
25 struct pinctrl_gpio_range *range,
26 unsigned pin, bool input);
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]27
28int pinmux_map_to_setting(struct pinctrl_map const *map,
29 struct pinctrl_setting *setting);
30void pinmux_free_setting(struct pinctrl_setting const *setting);
31int pinmux_enable_setting(struct pinctrl_setting const *setting);
32void pinmux_disable_setting(struct pinctrl_setting const *setting);
33
Linus Walleij2744e8a2011-05-02 20:50:54 +0200[diff] [blame]34#else
35
Tony Lindgrenb9130b72012-01-24 16:28:08 -0800[diff] [blame]36static inline int pinmux_check_ops(struct pinctrl_dev *pctldev)
Linus Walleij2744e8a2011-05-02 20:50:54 +0200[diff] [blame]37{
38 return 0;
39}
40
Stephen Warren1e2082b2012-03-02 13:05:48 -0700[diff] [blame]41static inline int pinmux_validate_map(struct pinctrl_map const *map, int i)
42{
43 return 0;
44}
45
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]46static inline int pinmux_request_gpio(struct pinctrl_dev *pctldev,
47 struct pinctrl_gpio_range *range,
48 unsigned pin, unsigned gpio)
Linus Walleij2744e8a2011-05-02 20:50:54 +0200[diff] [blame]49{
50 return 0;
51}
52
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]53static inline void pinmux_free_gpio(struct pinctrl_dev *pctldev,
54 unsigned pin,
55 struct pinctrl_gpio_range *range)
56{
57}
58
59static 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
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]66static inline int pinmux_map_to_setting(struct pinctrl_map const *map,
67 struct pinctrl_setting *setting)
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]68{
69 return 0;
70}
71
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]72static inline void pinmux_free_setting(struct pinctrl_setting const *setting)
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]73{
74}
75
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]76static inline int pinmux_enable_setting(struct pinctrl_setting const *setting)
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]77{
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]78 return 0;
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]79}
80
Stephen Warren7ecdb162012-03-02 13:05:45 -0700[diff] [blame]81static inline void pinmux_disable_setting(
82 struct pinctrl_setting const *setting)
Linus Walleijbefe5bd2012-02-09 19:47:48 +0100[diff] [blame]83{
84}
85
Stephen Warrenc736d732012-04-11 16:45:45 -0600[diff] [blame]86#endif
87
88#if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS)
89
90void pinmux_show_map(struct seq_file *s, struct pinctrl_map const *map);
91void pinmux_show_setting(struct seq_file *s,
92 struct pinctrl_setting const *setting);
93void pinmux_init_device_debugfs(struct dentry *devroot,
94 struct pinctrl_dev *pctldev);
95
96#else
97
Stephen Warren1e2082b2012-03-02 13:05:48 -0700[diff] [blame]98static inline void pinmux_show_map(struct seq_file *s,
99 struct pinctrl_map const *map)
Stephen Warren03665e02012-02-19 23:45:45 -0700[diff] [blame]100{
101}
102
Stephen Warren1e2082b2012-03-02 13:05:48 -0700[diff] [blame]103static inline void pinmux_show_setting(struct seq_file *s,
104 struct pinctrl_setting const *setting)
105{
106}
107
108static inline void pinmux_init_device_debugfs(struct dentry *devroot,
109 struct pinctrl_dev *pctldev)
Linus Walleij2744e8a2011-05-02 20:50:54 +0200[diff] [blame]110{
111}
112
113#endif