mirror of
https://github.com/opnsense/src.git
synced 2026-02-27 03:40:37 -05:00
4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
163 lines
4.6 KiB
C
163 lines
4.6 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2014 The FreeBSD Foundation
|
|
*
|
|
* This software was developed by Aleksandr Rybalko under sponsorship from the
|
|
* FreeBSD Foundation.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/fbio.h>
|
|
#include <sys/linker.h>
|
|
|
|
#include "opt_platform.h"
|
|
|
|
#include <machine/metadata.h>
|
|
#include <machine/vmparam.h>
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
#include <dev/vt/vt.h>
|
|
#include <dev/vt/hw/fb/vt_fb.h>
|
|
#include <dev/vt/colors/vt_termcolors.h>
|
|
|
|
static vd_init_t vt_vbefb_init;
|
|
static vd_fini_t vt_vbefb_fini;
|
|
static vd_probe_t vt_vbefb_probe;
|
|
|
|
static struct vt_driver vt_vbefb_driver = {
|
|
.vd_name = "vbefb",
|
|
.vd_probe = vt_vbefb_probe,
|
|
.vd_init = vt_vbefb_init,
|
|
.vd_fini = vt_vbefb_fini,
|
|
.vd_blank = vt_fb_blank,
|
|
.vd_bitblt_text = vt_fb_bitblt_text,
|
|
.vd_invalidate_text = vt_fb_invalidate_text,
|
|
.vd_bitblt_bmp = vt_fb_bitblt_bitmap,
|
|
.vd_drawrect = vt_fb_drawrect,
|
|
.vd_setpixel = vt_fb_setpixel,
|
|
.vd_fb_ioctl = vt_fb_ioctl,
|
|
.vd_fb_mmap = vt_fb_mmap,
|
|
.vd_suspend = vt_suspend,
|
|
.vd_resume = vt_resume,
|
|
/* Better than VGA, but still generic driver. */
|
|
.vd_priority = VD_PRIORITY_GENERIC + 1,
|
|
};
|
|
|
|
static struct fb_info local_vbe_info;
|
|
VT_DRIVER_DECLARE(vt_vbefb, vt_vbefb_driver);
|
|
|
|
static int
|
|
vt_vbefb_probe(struct vt_device *vd)
|
|
{
|
|
int disabled;
|
|
struct vbe_fb *vbefb;
|
|
caddr_t kmdp;
|
|
|
|
disabled = 0;
|
|
TUNABLE_INT_FETCH("hw.syscons.disable", &disabled);
|
|
if (disabled != 0)
|
|
return (CN_DEAD);
|
|
|
|
kmdp = preload_search_by_type("elf kernel");
|
|
if (kmdp == NULL)
|
|
kmdp = preload_search_by_type("elf64 kernel");
|
|
vbefb = (struct vbe_fb *)preload_search_info(kmdp,
|
|
MODINFO_METADATA | MODINFOMD_VBE_FB);
|
|
if (vbefb == NULL)
|
|
return (CN_DEAD);
|
|
|
|
return (CN_INTERNAL);
|
|
}
|
|
|
|
static int
|
|
vt_vbefb_init(struct vt_device *vd)
|
|
{
|
|
struct fb_info *info;
|
|
struct vbe_fb *vbefb;
|
|
caddr_t kmdp;
|
|
int format, roff, goff, boff;
|
|
|
|
info = vd->vd_softc;
|
|
if (info == NULL)
|
|
info = vd->vd_softc = (void *)&local_vbe_info;
|
|
|
|
kmdp = preload_search_by_type("elf kernel");
|
|
if (kmdp == NULL)
|
|
kmdp = preload_search_by_type("elf64 kernel");
|
|
vbefb = (struct vbe_fb *)preload_search_info(kmdp,
|
|
MODINFO_METADATA | MODINFOMD_VBE_FB);
|
|
if (vbefb == NULL)
|
|
return (CN_DEAD);
|
|
|
|
info->fb_height = vbefb->fb_height;
|
|
info->fb_width = vbefb->fb_width;
|
|
|
|
info->fb_depth = vbefb->fb_bpp;
|
|
/* Round to a multiple of the bits in a byte. */
|
|
info->fb_bpp = roundup2(vbefb->fb_bpp, NBBY);
|
|
|
|
/* Stride in bytes, not pixels */
|
|
info->fb_stride = vbefb->fb_stride * (info->fb_bpp / NBBY);
|
|
|
|
if (info->fb_depth == 8)
|
|
format = COLOR_FORMAT_VGA;
|
|
else
|
|
format = COLOR_FORMAT_RGB;
|
|
|
|
roff = ffs(vbefb->fb_mask_red) - 1;
|
|
goff = ffs(vbefb->fb_mask_green) - 1;
|
|
boff = ffs(vbefb->fb_mask_blue) - 1;
|
|
vt_config_cons_colors(info, format,
|
|
vbefb->fb_mask_red >> roff, roff,
|
|
vbefb->fb_mask_green >> goff, goff,
|
|
vbefb->fb_mask_blue >> boff, boff);
|
|
|
|
/* Mark cmap initialized. */
|
|
info->fb_cmsize = NCOLORS;
|
|
|
|
info->fb_size = info->fb_height * info->fb_stride;
|
|
info->fb_pbase = vbefb->fb_addr;
|
|
info->fb_vbase = (intptr_t)pmap_mapdev_attr(info->fb_pbase,
|
|
info->fb_size, VM_MEMATTR_WRITE_COMBINING);
|
|
|
|
vt_fb_init(vd);
|
|
|
|
return (CN_INTERNAL);
|
|
}
|
|
|
|
static void
|
|
vt_vbefb_fini(struct vt_device *vd, void *softc)
|
|
{
|
|
struct fb_info *info = softc;
|
|
|
|
vt_fb_fini(vd, softc);
|
|
pmap_unmapdev((void *)info->fb_vbase, info->fb_size);
|
|
}
|