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12#ifndef __LINUX_PINCTRL_CONSUMER_H
13#define __LINUX_PINCTRL_CONSUMER_H
14
15#include <linux/err.h>
16#include <linux/list.h>
17#include <linux/seq_file.h>
18#include <linux/pinctrl/pinctrl-state.h>
19
20
21struct pinctrl;
22struct pinctrl_state;
23struct device;
24
25#ifdef CONFIG_PINCTRL
26
27
28extern int pinctrl_request_gpio(unsigned gpio);
29extern void pinctrl_free_gpio(unsigned gpio);
30extern int pinctrl_gpio_direction_input(unsigned gpio);
31extern int pinctrl_gpio_direction_output(unsigned gpio);
32
33extern struct pinctrl * __must_check pinctrl_get(struct device *dev);
34extern void pinctrl_put(struct pinctrl *p);
35extern struct pinctrl_state * __must_check pinctrl_lookup_state(
36 struct pinctrl *p,
37 const char *name);
38extern int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s);
39
40extern struct pinctrl * __must_check devm_pinctrl_get(struct device *dev);
41extern void devm_pinctrl_put(struct pinctrl *p);
42
43#ifdef CONFIG_PM
44extern int pinctrl_pm_select_default_state(struct device *dev);
45extern int pinctrl_pm_select_sleep_state(struct device *dev);
46extern int pinctrl_pm_select_idle_state(struct device *dev);
47#else
48static inline int pinctrl_pm_select_default_state(struct device *dev)
49{
50 return 0;
51}
52static inline int pinctrl_pm_select_sleep_state(struct device *dev)
53{
54 return 0;
55}
56static inline int pinctrl_pm_select_idle_state(struct device *dev)
57{
58 return 0;
59}
60#endif
61
62#else
63
64static inline int pinctrl_request_gpio(unsigned gpio)
65{
66 return 0;
67}
68
69static inline void pinctrl_free_gpio(unsigned gpio)
70{
71}
72
73static inline int pinctrl_gpio_direction_input(unsigned gpio)
74{
75 return 0;
76}
77
78static inline int pinctrl_gpio_direction_output(unsigned gpio)
79{
80 return 0;
81}
82
83static inline struct pinctrl * __must_check pinctrl_get(struct device *dev)
84{
85 return NULL;
86}
87
88static inline void pinctrl_put(struct pinctrl *p)
89{
90}
91
92static inline struct pinctrl_state * __must_check pinctrl_lookup_state(
93 struct pinctrl *p,
94 const char *name)
95{
96 return NULL;
97}
98
99static inline int pinctrl_select_state(struct pinctrl *p,
100 struct pinctrl_state *s)
101{
102 return 0;
103}
104
105static inline struct pinctrl * __must_check devm_pinctrl_get(struct device *dev)
106{
107 return NULL;
108}
109
110static inline void devm_pinctrl_put(struct pinctrl *p)
111{
112}
113
114static inline int pinctrl_pm_select_default_state(struct device *dev)
115{
116 return 0;
117}
118
119static inline int pinctrl_pm_select_sleep_state(struct device *dev)
120{
121 return 0;
122}
123
124static inline int pinctrl_pm_select_idle_state(struct device *dev)
125{
126 return 0;
127}
128
129#endif
130
131static inline struct pinctrl * __must_check pinctrl_get_select(
132 struct device *dev, const char *name)
133{
134 struct pinctrl *p;
135 struct pinctrl_state *s;
136 int ret;
137
138 p = pinctrl_get(dev);
139 if (IS_ERR(p))
140 return p;
141
142 s = pinctrl_lookup_state(p, name);
143 if (IS_ERR(s)) {
144 pinctrl_put(p);
145 return ERR_CAST(s);
146 }
147
148 ret = pinctrl_select_state(p, s);
149 if (ret < 0) {
150 pinctrl_put(p);
151 return ERR_PTR(ret);
152 }
153
154 return p;
155}
156
157static inline struct pinctrl * __must_check pinctrl_get_select_default(
158 struct device *dev)
159{
160 return pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
161}
162
163static inline struct pinctrl * __must_check devm_pinctrl_get_select(
164 struct device *dev, const char *name)
165{
166 struct pinctrl *p;
167 struct pinctrl_state *s;
168 int ret;
169
170 p = devm_pinctrl_get(dev);
171 if (IS_ERR(p))
172 return p;
173
174 s = pinctrl_lookup_state(p, name);
175 if (IS_ERR(s)) {
176 devm_pinctrl_put(p);
177 return ERR_CAST(s);
178 }
179
180 ret = pinctrl_select_state(p, s);
181 if (ret < 0) {
182 devm_pinctrl_put(p);
183 return ERR_PTR(ret);
184 }
185
186 return p;
187}
188
189static inline struct pinctrl * __must_check devm_pinctrl_get_select_default(
190 struct device *dev)
191{
192 return devm_pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
193}
194
195#endif
196