1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
4  *
5  * display timings of helpers
6  */
7 
8 #ifndef __LINUX_OF_DISPLAY_TIMING_H
9 #define __LINUX_OF_DISPLAY_TIMING_H
10 
11 #include <linux/errno.h>
12 
13 struct device_node;
14 struct display_timing;
15 struct display_timings;
16 
17 #define OF_USE_NATIVE_MODE -1
18 
19 #ifdef CONFIG_OF
20 int of_get_display_timing(const struct device_node *np, const char *name,
21 		struct display_timing *dt);
22 struct display_timings *of_get_display_timings(const struct device_node *np);
23 #else
of_get_display_timing(const struct device_node * np,const char * name,struct display_timing * dt)24 static inline int of_get_display_timing(const struct device_node *np,
25 		const char *name, struct display_timing *dt)
26 {
27 	return -ENOSYS;
28 }
29 static inline struct display_timings *
of_get_display_timings(const struct device_node * np)30 of_get_display_timings(const struct device_node *np)
31 {
32 	return NULL;
33 }
34 #endif
35 
36 #endif
37