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/*-
* Copyright (c) 1999 FreeBSD(98) Porting Team.
* All rights reserved.
*
* 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 as
* the first lines of this file unmodified.
* 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 AUTHORS ``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 AUTHORS 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.
*
* $FreeBSD$
*/
#include "opt_syscons.h"
#include "opt_gdc.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/fbio.h>
#include <sys/consio.h>
#include <dev/fb/fbreg.h>
#include <dev/syscons/syscons.h>
#ifndef SC_RENDER_DEBUG
#define SC_RENDER_DEBUG 0
#endif
static vr_clear_t gdc_txtclear;
static vr_draw_border_t gdc_txtborder;
static vr_draw_t gdc_txtdraw;
static vr_set_cursor_t gdc_txtcursor_shape;
static vr_draw_cursor_t gdc_txtcursor;
#ifndef SC_NO_CUTPASTE
static vr_draw_mouse_t gdc_txtmouse;
#else
#define gdc_txtmouse (vr_draw_mouse_t *)gdc_nop
#endif
#ifndef SC_NO_MODE_CHANGE
static vr_draw_border_t gdc_grborder;
#endif
static void gdc_nop(scr_stat *scp, ...);
static sc_rndr_sw_t txtrndrsw = {
(vr_init_t *)gdc_nop,
gdc_txtclear,
gdc_txtborder,
gdc_txtdraw,
gdc_txtcursor_shape,
gdc_txtcursor,
(vr_blink_cursor_t *)gdc_nop,
(vr_set_mouse_t *)gdc_nop,
gdc_txtmouse,
};
RENDERER(gdc, 0, txtrndrsw, gdc_set);
#ifndef SC_NO_MODE_CHANGE
static sc_rndr_sw_t grrndrsw = {
(vr_init_t *)gdc_nop,
(vr_clear_t *)gdc_nop,
gdc_grborder,
(vr_draw_t *)gdc_nop,
(vr_set_cursor_t *)gdc_nop,
(vr_draw_cursor_t *)gdc_nop,
(vr_blink_cursor_t *)gdc_nop,
(vr_set_mouse_t *)gdc_nop,
(vr_draw_mouse_t *)gdc_nop,
};
RENDERER(gdc, GRAPHICS_MODE, grrndrsw, gdc_set);
#endif /* SC_NO_MODE_CHANGE */
RENDERER_MODULE(gdc, gdc_set);
static void
gdc_nop(scr_stat *scp, ...)
{
}
/* text mode renderer */
static void
gdc_txtclear(scr_stat *scp, int c, int attr)
{
sc_vtb_clear(&scp->scr, c, attr);
}
static void
gdc_txtborder(scr_stat *scp, int color)
{
vidd_set_border(scp->sc->adp, color);
}
static void
gdc_txtdraw(scr_stat *scp, int from, int count, int flip)
{
vm_offset_t p;
int c;
int a;
if (from + count > scp->xsize*scp->ysize)
count = scp->xsize*scp->ysize - from;
if (flip) {
for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
c = sc_vtb_getc(&scp->vtb, from);
a = sc_vtb_geta(&scp->vtb, from);
#if 0
a ^= 0x0800;
#else
a = (a & 0x8800) | ((a & 0x7000) >> 4)
| ((a & 0x0700) << 4);
#endif
p = sc_vtb_putchar(&scp->scr, p, c, a);
}
} else {
sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
}
}
static void
gdc_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
{
if (base < 0 || base >= scp->font_size)
return;
/* the caller may set height <= 0 in order to disable the cursor */
vidd_set_hw_cursor_shape(scp->sc->adp, base, height, scp->font_size,
blink);
}
static void
gdc_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
{
if (on) {
scp->status |= VR_CURSOR_ON;
vidd_set_hw_cursor(scp->sc->adp, at%scp->xsize,
at/scp->xsize);
} else {
if (scp->status & VR_CURSOR_ON)
vidd_set_hw_cursor(scp->sc->adp, -1, -1);
scp->status &= ~VR_CURSOR_ON;
}
}
#ifndef SC_NO_CUTPASTE
static void
draw_txtmouse(scr_stat *scp, int x, int y)
{
int at;
int a;
at = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
a = sc_vtb_geta(&scp->vtb, at);
#if 0
a ^= 0x0800;
#else
a = (a & 0x8800) | ((a & 0x7000) >> 4)
| ((a & 0x0700) << 4);
#endif
sc_vtb_putc(&scp->scr, at, sc_vtb_getc(&scp->scr, at), a);
}
static void
remove_txtmouse(scr_stat *scp, int x, int y)
{
}
static void
gdc_txtmouse(scr_stat *scp, int x, int y, int on)
{
if (on)
draw_txtmouse(scp, x, y);
else
remove_txtmouse(scp, x, y);
}
#endif /* SC_NO_CUTPASTE */
#ifndef SC_NO_MODE_CHANGE
/* graphics mode renderer */
static void
gdc_grborder(scr_stat *scp, int color)
{
vidd_set_border(scp->sc->adp, color);
}
#endif /* SC_NO_MODE_CHANGE */
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