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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 | |
1e2082b5 SW |
17 | int pinmux_validate_map(struct pinctrl_map const *map, int i); |
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 SW |
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 | ||
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 | ||
1e2082b5 SW |
41 | static inline int pinmux_validate_map(struct pinctrl_map const *map, int i) |
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 | ||
7ecdb16f SW |
66 | static inline int pinmux_map_to_setting(struct pinctrl_map const *map, |
67 | struct pinctrl_setting *setting) | |
2744e8af LW |
68 | { |
69 | return 0; | |
70 | } | |
71 | ||
7ecdb16f | 72 | static inline void pinmux_free_setting(struct pinctrl_setting const *setting) |
befe5bdf LW |
73 | { |
74 | } | |
75 | ||
7ecdb16f | 76 | static inline int pinmux_enable_setting(struct pinctrl_setting const *setting) |
befe5bdf | 77 | { |
7ecdb16f | 78 | return 0; |
befe5bdf LW |
79 | } |
80 | ||
7ecdb16f SW |
81 | static inline void pinmux_disable_setting( |
82 | struct pinctrl_setting const *setting) | |
befe5bdf LW |
83 | { |
84 | } | |
85 | ||
c736d73c SW |
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 | ||
1e2082b5 SW |
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) | |
03665e0f SW |
105 | { |
106 | } | |
107 | ||
1e2082b5 SW |
108 | static inline void pinmux_init_device_debugfs(struct dentry *devroot, |
109 | struct pinctrl_dev *pctldev) | |
2744e8af LW |
110 | { |
111 | } | |
112 | ||
113 | #endif | |
a76edc89 TL |
114 | |
115 | #ifdef CONFIG_GENERIC_PINMUX_FUNCTIONS | |
116 | ||
117 | /** | |
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 | |
123 | */ | |
124 | struct function_desc { | |
125 | const char *name; | |
126 | const char **group_names; | |
127 | int num_group_names; | |
128 | void *data; | |
129 | }; | |
130 | ||
131 | int pinmux_generic_get_function_count(struct pinctrl_dev *pctldev); | |
132 | ||
133 | const char * | |
134 | pinmux_generic_get_function_name(struct pinctrl_dev *pctldev, | |
135 | unsigned int selector); | |
136 | ||
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); | |
141 | ||
142 | struct function_desc *pinmux_generic_get_function(struct pinctrl_dev *pctldev, | |
143 | unsigned int selector); | |
144 | ||
145 | int pinmux_generic_add_function(struct pinctrl_dev *pctldev, | |
146 | const char *name, | |
147 | const char **groups, | |
148 | unsigned const num_groups, | |
149 | void *data); | |
150 | ||
151 | int pinmux_generic_remove_function(struct pinctrl_dev *pctldev, | |
152 | unsigned int selector); | |
153 | ||
154 | static inline int | |
155 | pinmux_generic_remove_last_function(struct pinctrl_dev *pctldev) | |
156 | { | |
157 | return pinmux_generic_remove_function(pctldev, | |
158 | pctldev->num_functions - 1); | |
159 | } | |
160 | ||
161 | void pinmux_generic_free_functions(struct pinctrl_dev *pctldev); | |
162 | ||
163 | #else | |
164 | ||
165 | static inline void pinmux_generic_free_functions(struct pinctrl_dev *pctldev) | |
166 | { | |
167 | } | |
168 | ||
169 | #endif /* CONFIG_GENERIC_PINMUX_FUNCTIONS */ |