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 struct device_node;
12 struct display_timing;
13 struct display_timings;
14 
15 #define OF_USE_NATIVE_MODE -1
16 
17 #ifdef CONFIG_OF
18 int of_get_display_timing(const struct device_node *np, const char *name,
19 		struct display_timing *dt);
20 struct display_timings *of_get_display_timings(const struct device_node *np);
21 #else
22 static inline int of_get_display_timing(const struct device_node *np,
23 		const char *name, struct display_timing *dt)
24 {
25 	return -ENOSYS;
26 }
27 static inline struct display_timings *
28 of_get_display_timings(const struct device_node *np)
29 {
30 	return NULL;
31 }
32 #endif
33 
34 #endif
35