1 /* 2 * Copyright (c) 2015-2020 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_FB_H_ 28 #define _LINUX_FB_H_ 29 30 #include <linux/kgdb.h> 31 #include <uapi/linux/fb.h> 32 33 #include <linux/fs.h> 34 #include <linux/init.h> 35 #include <linux/workqueue.h> 36 #include <linux/notifier.h> 37 #include <linux/list.h> 38 #include <linux/backlight.h> 39 #include <asm/io.h> 40 41 #include <machine/framebuffer.h> 42 43 struct videomode; 44 45 #define KHZ2PICOS(a) (1000000000UL/(a)) 46 47 struct apertures_struct { 48 unsigned int count; 49 struct aperture { 50 resource_size_t base; 51 resource_size_t size; 52 } ranges[0]; 53 }; 54 55 extern int remove_conflicting_framebuffers(struct apertures_struct *a, 56 const char *name, bool primary); 57 58 extern void fb_set_suspend(struct fb_info *info, int state); 59 60 extern int fb_get_options(const char *name, char **option); 61 62 #define FBINFO_STATE_RUNNING 0 63 64 struct device_node; 65 66 struct fb_info * framebuffer_alloc(size_t size, struct device *dev); 67 void framebuffer_release(struct fb_info *info); 68 69 #endif /* _LINUX_FB_H_ */ 70