scgdcrndr.c revision 56337 
1/*-
2 * Copyright (c) 1999 FreeBSD(98) Porting Team.
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, this list of conditions and the following disclaimer as
10 *    the first lines of this file unmodified.
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 AUTHORS ``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 AUTHORS 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 * $FreeBSD: head/sys/pc98/cbus/scgdcrndr.c 56337 2000-01-20 15:16:49Z kato $
27 */
28
29#include "sc.h"
30#include "gdc.h"
31#include "opt_syscons.h"
32#include "opt_gdc.h"
33
34#if NSC > 0 && NGDC > 0
35
36#include <sys/param.h>
37#include <sys/kernel.h>
38
39#include <machine/console.h>
40
41#include <dev/fb/fbreg.h>
42#include <dev/syscons/syscons.h>
43
44#ifndef SC_RENDER_DEBUG
45#define SC_RENDER_DEBUG		0
46#endif
47
48static vr_clear_t		gdc_txtclear;
49static vr_draw_border_t		gdc_txtborder;
50static vr_draw_t		gdc_txtdraw;
51static vr_set_cursor_t		gdc_txtcursor_shape;
52static vr_draw_cursor_t		gdc_txtcursor;
53#ifndef SC_NO_CUTPASTE
54static vr_draw_mouse_t		gdc_txtmouse;
55#else
56#define gdc_txtmouse		(vr_draw_mouse_t *)gdc_nop
57#endif
58
59#ifndef SC_NO_MODE_CHANGE
60static vr_draw_border_t		gdc_grborder;
61#endif
62
63static void			gdc_nop(scr_stat *scp, ...);
64
65static struct linker_set	gdc_set;
66
67static sc_rndr_sw_t txtrndrsw = {
68	gdc_txtclear,
69	gdc_txtborder,
70	gdc_txtdraw,
71	gdc_txtcursor_shape,
72	gdc_txtcursor,
73	(vr_blink_cursor_t *)gdc_nop,
74	(vr_set_mouse_t *)gdc_nop,
75	gdc_txtmouse,
76};
77RENDERER(gdc, 0, txtrndrsw, gdc_set);
78
79#ifndef SC_NO_MODE_CHANGE
80static sc_rndr_sw_t grrndrsw = {
81	(vr_clear_t *)gdc_nop,
82	gdc_grborder,
83	(vr_draw_t *)gdc_nop,
84	(vr_set_cursor_t *)gdc_nop,
85	(vr_draw_cursor_t *)gdc_nop,
86	(vr_blink_cursor_t *)gdc_nop,
87	(vr_set_mouse_t *)gdc_nop,
88	(vr_draw_mouse_t *)gdc_nop,
89};
90RENDERER(gdc, GRAPHICS_MODE, grrndrsw, gdc_set);
91#endif /* SC_NO_MODE_CHANGE */
92
93RENDERER_MODULE(gdc, gdc_set);
94
95static void
96gdc_nop(scr_stat *scp, ...)
97{
98}
99
100/* text mode renderer */
101
102static void
103gdc_txtclear(scr_stat *scp, int c, int attr)
104{
105	sc_vtb_clear(&scp->scr, c, attr);
106}
107
108static void
109gdc_txtborder(scr_stat *scp, int color)
110{
111	(*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color);
112}
113
114static void
115gdc_txtdraw(scr_stat *scp, int from, int count, int flip)
116{
117	vm_offset_t p;
118	int c;
119	int a;
120
121	if (from + count > scp->xsize*scp->ysize)
122		count = scp->xsize*scp->ysize - from;
123
124	if (flip) {
125		p = sc_vtb_pointer(&scp->scr, from);
126		for (; count-- > 0; ++from) {
127			c = sc_vtb_getc(&scp->vtb, from);
128			a = sc_vtb_geta(&scp->vtb, from) ^ 0x4;
129			sc_vtb_putchar(&scp->scr, p, c, a);
130		}
131	} else {
132		sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
133	}
134}
135
136static void
137gdc_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
138{
139	if (base < 0 || base >= scp->font_size)
140		return;
141	/* the caller may set height <= 0 in order to disable the cursor */
142	(*vidsw[scp->sc->adapter]->set_hw_cursor_shape)(scp->sc->adp,
143							base, height,
144							scp->font_size, blink);
145}
146
147static void
148gdc_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
149{
150	if (on) {
151		scp->status |= VR_CURSOR_ON;
152		(*vidsw[scp->sc->adapter]->set_hw_cursor)(scp->sc->adp,
153						 at%scp->xsize, at/scp->xsize);
154	} else {
155		if (scp->status & VR_CURSOR_ON)
156			(*vidsw[scp->sc->adapter]->set_hw_cursor)(scp->sc->adp,
157								  -1, -1);
158		scp->status &= ~VR_CURSOR_ON;
159	}
160}
161
162#ifndef SC_NO_CUTPASTE
163
164static void
165draw_txtmouse(scr_stat *scp, int x, int y)
166{
167	int at;
168
169	at = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
170	sc_vtb_putc(&scp->scr, at,
171		    sc_vtb_getc(&scp->scr, at),
172		    sc_vtb_geta(&scp->scr, at) ^ 0x4);
173}
174
175static void
176remove_txtmouse(scr_stat *scp, int x, int y)
177{
178}
179
180static void
181gdc_txtmouse(scr_stat *scp, int x, int y, int on)
182{
183	if (on)
184		draw_txtmouse(scp, x, y);
185	else
186		remove_txtmouse(scp, x, y);
187}
188
189#endif /* SC_NO_CUTPASTE */
190
191#ifndef SC_NO_MODE_CHANGE
192
193/* graphics mode renderer */
194
195static void
196gdc_grborder(scr_stat *scp, int color)
197{
198	(*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color);
199}
200
201#endif /* SC_NO_MODE_CHANGE */
202
203#endif /* NSC > 0 && NGDC > 0 */
204