1 /*
2 * Copyright (c) 2016-2020 François Tigeot <ftigeot@wolfpond.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef _LINUX_GPIO_CONSUMER_H_
28 #define _LINUX_GPIO_CONSUMER_H_
29
30 #define GPIOD_FLAGS_BIT_DIR_SET 1
31 #define GPIOD_FLAGS_BIT_DIR_OUT 2
32 #define GPIOD_FLAGS_BIT_DIR_VAL 4
33
34 enum gpiod_flags {
35 GPIOD_ASIS = 0,
36 GPIOD_IN = GPIOD_FLAGS_BIT_DIR_SET,
37 GPIOD_OUT_LOW = GPIOD_FLAGS_BIT_DIR_SET | GPIOD_FLAGS_BIT_DIR_OUT,
38 GPIOD_OUT_HIGH = GPIOD_FLAGS_BIT_DIR_SET | GPIOD_FLAGS_BIT_DIR_OUT |
39 GPIOD_FLAGS_BIT_DIR_VAL,
40 };
41
42 static inline struct gpio_desc *
gpiod_get(struct device * dev,const char * con_id,enum gpiod_flags flags)43 gpiod_get(struct device *dev, const char *con_id, enum gpiod_flags flags)
44 {
45 kprintf("Stub: %s\n", __FUNCTION__);
46 return NULL;
47 }
48
49 static inline void
gpiod_put(struct gpio_desc * desc)50 gpiod_put(struct gpio_desc *desc)
51 {
52 kprintf("Stub: %s\n", __FUNCTION__);
53 }
54
55 static inline void
gpiod_set_value_cansleep(struct gpio_desc * desc,int value)56 gpiod_set_value_cansleep(struct gpio_desc *desc, int value)
57 {
58 kprintf("Stub: %s\n", __FUNCTION__);
59 }
60
61 static inline struct gpio_desc *
devm_gpiod_get_index(struct device * dev,const char * con_id,unsigned int idx,enum gpiod_flags flags)62 devm_gpiod_get_index(struct device *dev, const char *con_id,
63 unsigned int idx, enum gpiod_flags flags)
64 {
65 return ERR_PTR(-ENOSYS);
66 }
67
68 static inline void
gpiod_set_value(struct gpio_desc * desc,int value)69 gpiod_set_value(struct gpio_desc *desc, int value)
70 {
71 kprintf("Stub: %s\n", __FUNCTION__);
72 }
73
74 #endif /* _LINUX_GPIO_CONSUMER_H_ */
75