1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * display timings of helpers 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __LINUX_OF_DISPLAY_TIMING_H 9*4882a593Smuzhiyun #define __LINUX_OF_DISPLAY_TIMING_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/errno.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct device_node; 14*4882a593Smuzhiyun struct display_timing; 15*4882a593Smuzhiyun struct display_timings; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define OF_USE_NATIVE_MODE -1 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifdef CONFIG_OF 20*4882a593Smuzhiyun int of_get_display_timing(const struct device_node *np, const char *name, 21*4882a593Smuzhiyun struct display_timing *dt); 22*4882a593Smuzhiyun struct display_timings *of_get_display_timings(const struct device_node *np); 23*4882a593Smuzhiyun #else of_get_display_timing(const struct device_node * np,const char * name,struct display_timing * dt)24*4882a593Smuzhiyunstatic inline int of_get_display_timing(const struct device_node *np, 25*4882a593Smuzhiyun const char *name, struct display_timing *dt) 26*4882a593Smuzhiyun { 27*4882a593Smuzhiyun return -ENOSYS; 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun static inline struct display_timings * of_get_display_timings(const struct device_node * np)30*4882a593Smuzhiyunof_get_display_timings(const struct device_node *np) 31*4882a593Smuzhiyun { 32*4882a593Smuzhiyun return NULL; 33*4882a593Smuzhiyun } 34*4882a593Smuzhiyun #endif 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif 37