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Commit | Line | Data |
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2744e8af LW |
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 | ||
b9130b77 | 15 | int pinmux_check_ops(struct pinctrl_dev *pctldev); |
7ecdb16f | 16 | |
3f713b7c | 17 | int pinmux_validate_map(const struct pinctrl_map *map, int i); |
1e2082b5 | 18 | |
befe5bdf LW |
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); | |
7ecdb16f | 27 | |
3f713b7c | 28 | int pinmux_map_to_setting(const struct pinctrl_map *map, |
7ecdb16f | 29 | struct pinctrl_setting *setting); |
3f713b7c MY |
30 | void pinmux_free_setting(const struct pinctrl_setting *setting); |
31 | int pinmux_enable_setting(const struct pinctrl_setting *setting); | |
32 | void pinmux_disable_setting(const struct pinctrl_setting *setting); | |
7ecdb16f | 33 | |
2744e8af LW |
34 | #else |
35 | ||
b9130b77 | 36 | static inline int pinmux_check_ops(struct pinctrl_dev *pctldev) |
2744e8af LW |
37 | { |
38 | return 0; | |
39 | } | |
40 | ||
3f713b7c | 41 | static inline int pinmux_validate_map(const struct pinctrl_map *map, int i) |
1e2082b5 SW |
42 | { |
43 | return 0; | |
44 | } | |
45 | ||
befe5bdf LW |
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 | ||
3f713b7c | 66 | static inline int pinmux_map_to_setting(const struct pinctrl_map *map, |
7ecdb16f | 67 | struct pinctrl_setting *setting) |
2744e8af LW |
68 | { |
69 | return 0; | |
70 | } | |
71 | ||
3f713b7c | 72 | static inline void pinmux_free_setting(const struct pinctrl_setting *setting) |
befe5bdf LW |
73 | { |
74 | } | |
75 | ||
3f713b7c | 76 | static inline int pinmux_enable_setting(const struct pinctrl_setting *setting) |
befe5bdf | 77 | { |
7ecdb16f | 78 | return 0; |
befe5bdf LW |
79 | } |
80 | ||
3f713b7c | 81 | static inline void pinmux_disable_setting(const struct pinctrl_setting *setting) |
befe5bdf LW |
82 | { |
83 | } | |
84 | ||
c736d73c SW |
85 | #endif |
86 | ||
87 | #if defined(CONFIG_PINMUX) && defined(CONFIG_DEBUG_FS) | |
88 | ||
3f713b7c | 89 | void pinmux_show_map(struct seq_file *s, const struct pinctrl_map *map); |
c736d73c | 90 | void pinmux_show_setting(struct seq_file *s, |
3f713b7c | 91 | const struct pinctrl_setting *setting); |
c736d73c SW |
92 | void pinmux_init_device_debugfs(struct dentry *devroot, |
93 | struct pinctrl_dev *pctldev); | |
94 | ||
95 | #else | |
96 | ||
1e2082b5 | 97 | static inline void pinmux_show_map(struct seq_file *s, |
3f713b7c | 98 | const struct pinctrl_map *map) |
1e2082b5 SW |
99 | { |
100 | } | |
101 | ||
102 | static inline void pinmux_show_setting(struct seq_file *s, | |
3f713b7c | 103 | const struct pinctrl_setting *setting) |
03665e0f SW |
104 | { |
105 | } | |
106 | ||
1e2082b5 SW |
107 | static inline void pinmux_init_device_debugfs(struct dentry *devroot, |
108 | struct pinctrl_dev *pctldev) | |
2744e8af LW |
109 | { |
110 | } | |
111 | ||
112 | #endif | |
a76edc89 TL |
113 | |
114 | #ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS | |
115 | ||
116 | /** | |
117 | * struct function_desc - generic function descriptor | |
118 | * @name: name of the function | |
119 | * @group_names: array of pin group names | |
120 | * @num_group_names: number of pin group names | |
121 | * @data: pin controller driver specific data | |
122 | */ | |
123 | struct function_desc { | |
124 | const char *name; | |
125 | const char **group_names; | |
126 | int num_group_names; | |
127 | void *data; | |
128 | }; | |
129 | ||
130 | int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev); | |
131 | ||
132 | const char * | |
133 | pinmux_generic_get_function_name(struct pinctrl_dev *pctldev, | |
134 | unsigned int selector); | |
135 | ||
136 | int pinmux_generic_get_function_groups(struct pinctrl_dev *pctldev, | |
137 | unsigned int selector, | |
138 | const char * const **groups, | |
139 | unsigned * const num_groups); | |
140 | ||
141 | struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev, | |
142 | unsigned int selector); | |
143 | ||
144 | int pinmux_generic_add_function(struct pinctrl_dev *pctldev, | |
145 | const char *name, | |
146 | const char **groups, | |
147 | unsigned const num_groups, | |
148 | void *data); | |
149 | ||
150 | int pinmux_generic_remove_function(struct pinctrl_dev *pctldev, | |
151 | unsigned int selector); | |
152 | ||
153 | static inline int | |
154 | pinmux_generic_remove_last_function(struct pinctrl_dev *pctldev) | |
155 | { | |
156 | return pinmux_generic_remove_function(pctldev, | |
157 | pctldev->num_functions - 1); | |
158 | } | |
159 | ||
160 | void pinmux_generic_free_functions(struct pinctrl_dev *pctldev); | |
161 | ||
162 | #else | |
163 | ||
164 | static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev) | |
165 | { | |
166 | } | |
167 | ||
168 | #endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */ |