1262785Sray/*- 2262785Sray * Copyright (c) 2014 The FreeBSD Foundation 3262785Sray * All rights reserved. 4262785Sray * 5262785Sray * This software was developed by Aleksandr Rybalko under sponsorship from the 6262785Sray * FreeBSD Foundation. 7262785Sray * 8262785Sray * Redistribution and use in source and binary forms, with or without 9262785Sray * modification, are permitted provided that the following conditions 10262785Sray * are met: 11262785Sray * 1. Redistributions of source code must retain the above copyright 12262785Sray * notice, this list of conditions and the following disclaimer. 13262785Sray * 2. Redistributions in binary form must reproduce the above copyright 14262785Sray * notice, this list of conditions and the following disclaimer in the 15262785Sray * documentation and/or other materials provided with the distribution. 16262785Sray * 17262785Sray * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18262785Sray * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19262785Sray * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20262785Sray * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21262785Sray * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22262785Sray * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23262785Sray * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24262785Sray * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25262785Sray * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26262785Sray * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27262785Sray * SUCH DAMAGE. 28262785Sray * 29262785Sray * $FreeBSD$ 30262785Sray */ 31262785Sray 32262785Sray#include <sys/cdefs.h> 33262785Sray__FBSDID("$FreeBSD$"); 34262785Sray 35262785Sray#include <sys/param.h> 36262785Sray#include <sys/systm.h> 37262785Sray#include <sys/kernel.h> 38262785Sray#include <sys/fbio.h> 39262785Sray#include <sys/linker.h> 40262785Sray 41262785Sray#include "opt_platform.h" 42262785Sray 43262785Sray#include <machine/metadata.h> 44262785Sray#include <machine/vm.h> 45262785Sray#include <machine/vmparam.h> 46262785Sray#include <vm/vm.h> 47262785Sray#include <vm/pmap.h> 48262785Sray#include <machine/pmap.h> 49262785Sray 50262785Sray#include <dev/vt/vt.h> 51262785Sray#include <dev/vt/hw/fb/vt_fb.h> 52262785Sray#include <dev/vt/colors/vt_termcolors.h> 53262785Sray 54267538Sraystatic vd_init_t vt_efifb_init; 55267538Sraystatic vd_probe_t vt_efifb_probe; 56262785Sray 57267538Sraystatic struct vt_driver vt_efifb_driver = { 58267538Sray .vd_name = "efifb", 59267538Sray .vd_probe = vt_efifb_probe, 60267538Sray .vd_init = vt_efifb_init, 61262785Sray .vd_blank = vt_fb_blank, 62271128Semaste .vd_bitblt_text = vt_fb_bitblt_text, 63271128Semaste .vd_bitblt_bmp = vt_fb_bitblt_bitmap, 64271769Sdumbbell .vd_drawrect = vt_fb_drawrect, 65271769Sdumbbell .vd_setpixel = vt_fb_setpixel, 66270981Semaste .vd_fb_ioctl = vt_fb_ioctl, 67270981Semaste .vd_fb_mmap = vt_fb_mmap, 68262785Sray /* Better than VGA, but still generic driver. */ 69262785Sray .vd_priority = VD_PRIORITY_GENERIC + 1, 70262785Sray}; 71262785Sray 72267538Sraystatic struct fb_info local_info; 73267538SrayVT_DRIVER_DECLARE(vt_efifb, vt_efifb_driver); 74262785Sray 75262785Sraystatic int 76267538Srayvt_efifb_probe(struct vt_device *vd) 77262785Sray{ 78267538Sray int disabled; 79267538Sray struct efi_fb *efifb; 80267538Sray caddr_t kmdp; 81267538Sray 82267538Sray disabled = 0; 83267538Sray TUNABLE_INT_FETCH("hw.syscons.disable", &disabled); 84267538Sray if (disabled != 0) 85267538Sray return (CN_DEAD); 86267538Sray 87267538Sray kmdp = preload_search_by_type("elf kernel"); 88267538Sray if (kmdp == NULL) 89267538Sray kmdp = preload_search_by_type("elf64 kernel"); 90267538Sray efifb = (struct efi_fb *)preload_search_info(kmdp, 91267538Sray MODINFO_METADATA | MODINFOMD_EFI_FB); 92267538Sray if (efifb == NULL) 93267538Sray return (CN_DEAD); 94267538Sray 95267538Sray return (CN_INTERNAL); 96267538Sray} 97267538Sray 98267538Sraystatic int 99267538Srayvt_efifb_init(struct vt_device *vd) 100267538Sray{ 101262785Sray struct fb_info *info; 102262785Sray struct efi_fb *efifb; 103262785Sray caddr_t kmdp; 104262785Sray 105262785Sray info = vd->vd_softc; 106267538Sray if (info == NULL) 107267538Sray info = vd->vd_softc = (void *)&local_info; 108262785Sray 109262785Sray kmdp = preload_search_by_type("elf kernel"); 110262785Sray if (kmdp == NULL) 111262785Sray kmdp = preload_search_by_type("elf64 kernel"); 112270974Semaste efifb = (struct efi_fb *)preload_search_info(kmdp, 113270974Semaste MODINFO_METADATA | MODINFOMD_EFI_FB); 114267538Sray if (efifb == NULL) 115262785Sray return (CN_DEAD); 116262785Sray 117262785Sray info->fb_height = efifb->fb_height; 118262785Sray info->fb_width = efifb->fb_width; 119262785Sray 120287128Smarcel info->fb_depth = fls(efifb->fb_mask_red | efifb->fb_mask_green | 121287128Smarcel efifb->fb_mask_blue | efifb->fb_mask_reserved); 122287128Smarcel /* Round to a multiple of the bits in a byte. */ 123287128Smarcel info->fb_bpp = (info->fb_depth + NBBY - 1) & ~(NBBY - 1); 124262785Sray 125287128Smarcel /* Stride in bytes, not pixels */ 126287128Smarcel info->fb_stride = efifb->fb_stride * (info->fb_bpp / NBBY); 127262785Sray 128270262Sdumbbell vt_generate_cons_palette(info->fb_cmap, COLOR_FORMAT_RGB, 129262785Sray efifb->fb_mask_red, ffs(efifb->fb_mask_red) - 1, 130262785Sray efifb->fb_mask_green, ffs(efifb->fb_mask_green) - 1, 131262785Sray efifb->fb_mask_blue, ffs(efifb->fb_mask_blue) - 1); 132262785Sray 133262785Sray info->fb_size = info->fb_height * info->fb_stride; 134262785Sray info->fb_pbase = efifb->fb_addr; 135287126Smarcel info->fb_vbase = (intptr_t)pmap_mapdev_attr(info->fb_pbase, 136287126Smarcel info->fb_size, VM_MEMATTR_WRITE_COMBINING); 137262785Sray 138262785Sray vt_fb_init(vd); 139262785Sray 140262785Sray return (CN_INTERNAL); 141262785Sray} 142