| 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 |
| 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 * |
| 30 | of_get_display_timings(const struct device_node *np) |
| 31 | { |
| 32 | return NULL; |
| 33 | } |
| 34 | #endif |
| 35 | |
| 36 | #endif |
| 37 | |