1 /* 2 * Copyright (c) 2016 Imre Vadász <imre@vdsz.com> 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 _MACHINE_FRAMEBUFFER_H_ 28 #define _MACHINE_FRAMEBUFFER_H_ 29 30 #ifdef _KERNEL 31 32 #include <sys/bus.h> 33 34 struct fb_info; 35 struct fb_var_screeninfo; 36 struct fb_cmap; 37 38 struct fb_ops { 39 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 40 int (*fb_set_par)(struct fb_info *); 41 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 42 int (*fb_blank)(int, struct fb_info *); 43 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 44 int (*fb_debug_enter)(struct fb_info *); 45 int (*fb_debug_leave)(struct fb_info *info); 46 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 47 unsigned long arg); 48 }; 49 50 struct fb_info { 51 vm_offset_t vaddr; 52 vm_paddr_t paddr; 53 uint16_t width; 54 uint16_t height; 55 uint16_t stride; 56 uint16_t depth; 57 int is_vga_boot_display; 58 void *par; 59 struct fb_ops fbops; 60 device_t device; 61 }; 62 63 int probe_efi_fb(int early); 64 65 int register_framebuffer(struct fb_info *fb_info); 66 void unregister_framebuffer(struct fb_info *fb_info); 67 68 extern struct fb_info efi_fb_info; 69 70 #endif /* _KERNEL */ 71 72 #endif /* !_MACHINE_FRAMEBUFFER_H_ */ 73