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: stable/9/sys/pc98/cbus/scgdcrndr.c 174985 2007-12-29 23:26:59Z wkoszek $
27 */
28
29 #include "opt_syscons.h"
30 #include "opt_gdc.h"
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <sys/fbio.h>
37 #include <sys/consio.h>
38
39 #include <dev/fb/fbreg.h>
40 #include <dev/syscons/syscons.h>
41
42 #ifndef SC_RENDER_DEBUG
43 #define SC_RENDER_DEBUG 0
44 #endif
45
46 static vr_clear_t gdc_txtclear;
47 static vr_draw_border_t gdc_txtborder;
48 static vr_draw_t gdc_txtdraw;
49 static vr_set_cursor_t gdc_txtcursor_shape;
50 static vr_draw_cursor_t gdc_txtcursor;
51 #ifndef SC_NO_CUTPASTE
52 static vr_draw_mouse_t gdc_txtmouse;
53 #else
54 #define gdc_txtmouse (vr_draw_mouse_t *)gdc_nop
55 #endif
56
57 #ifndef SC_NO_MODE_CHANGE
58 static vr_draw_border_t gdc_grborder;
59 #endif
60
61 static void gdc_nop(scr_stat *scp, ...);
62
63 static sc_rndr_sw_t txtrndrsw = {
64 (vr_init_t *)gdc_nop,
65 gdc_txtclear,
66 gdc_txtborder,
67 gdc_txtdraw,
68 gdc_txtcursor_shape,
69 gdc_txtcursor,
70 (vr_blink_cursor_t *)gdc_nop,
71 (vr_set_mouse_t *)gdc_nop,
72 gdc_txtmouse,
73 };
74 RENDERER(gdc, 0, txtrndrsw, gdc_set);
75
76 #ifndef SC_NO_MODE_CHANGE
77 static sc_rndr_sw_t grrndrsw = {
78 (vr_init_t *)gdc_nop,
79 (vr_clear_t *)gdc_nop,
80 gdc_grborder,
81 (vr_draw_t *)gdc_nop,
82 (vr_set_cursor_t *)gdc_nop,
83 (vr_draw_cursor_t *)gdc_nop,
84 (vr_blink_cursor_t *)gdc_nop,
85 (vr_set_mouse_t *)gdc_nop,
86 (vr_draw_mouse_t *)gdc_nop,
87 };
88 RENDERER(gdc, GRAPHICS_MODE, grrndrsw, gdc_set);
89 #endif /* SC_NO_MODE_CHANGE */
90
91 RENDERER_MODULE(gdc, gdc_set);
92
93 static void
gdc_nop(scr_stat * scp,...)94 gdc_nop(scr_stat *scp, ...)
95 {
96 }
97
98 /* text mode renderer */
99
100 static void
gdc_txtclear(scr_stat * scp,int c,int attr)101 gdc_txtclear(scr_stat *scp, int c, int attr)
102 {
103 sc_vtb_clear(&scp->scr, c, attr);
104 }
105
106 static void
gdc_txtborder(scr_stat * scp,int color)107 gdc_txtborder(scr_stat *scp, int color)
108 {
109 vidd_set_border(scp->sc->adp, color);
110 }
111
112 static void
gdc_txtdraw(scr_stat * scp,int from,int count,int flip)113 gdc_txtdraw(scr_stat *scp, int from, int count, int flip)
114 {
115 vm_offset_t p;
116 int c;
117 int a;
118
119 if (from + count > scp->xsize*scp->ysize)
120 count = scp->xsize*scp->ysize - from;
121
122 if (flip) {
123 for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) {
124 c = sc_vtb_getc(&scp->vtb, from);
125 a = sc_vtb_geta(&scp->vtb, from);
126 #if 0
127 a ^= 0x0800;
128 #else
129 a = (a & 0x8800) | ((a & 0x7000) >> 4)
130 | ((a & 0x0700) << 4);
131 #endif
132 p = sc_vtb_putchar(&scp->scr, p, c, a);
133 }
134 } else {
135 sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count);
136 }
137 }
138
139 static void
gdc_txtcursor_shape(scr_stat * scp,int base,int height,int blink)140 gdc_txtcursor_shape(scr_stat *scp, int base, int height, int blink)
141 {
142 if (base < 0 || base >= scp->font_size)
143 return;
144 /* the caller may set height <= 0 in order to disable the cursor */
145 vidd_set_hw_cursor_shape(scp->sc->adp, base, height, scp->font_size,
146 blink);
147 }
148
149 static void
gdc_txtcursor(scr_stat * scp,int at,int blink,int on,int flip)150 gdc_txtcursor(scr_stat *scp, int at, int blink, int on, int flip)
151 {
152 if (on) {
153 scp->status |= VR_CURSOR_ON;
154 vidd_set_hw_cursor(scp->sc->adp, at%scp->xsize,
155 at/scp->xsize);
156 } else {
157 if (scp->status & VR_CURSOR_ON)
158 vidd_set_hw_cursor(scp->sc->adp, -1, -1);
159 scp->status &= ~VR_CURSOR_ON;
160 }
161 }
162
163 #ifndef SC_NO_CUTPASTE
164
165 static void
draw_txtmouse(scr_stat * scp,int x,int y)166 draw_txtmouse(scr_stat *scp, int x, int y)
167 {
168 int at;
169 int a;
170
171 at = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
172 a = sc_vtb_geta(&scp->vtb, at);
173 #if 0
174 a ^= 0x0800;
175 #else
176 a = (a & 0x8800) | ((a & 0x7000) >> 4)
177 | ((a & 0x0700) << 4);
178 #endif
179 sc_vtb_putc(&scp->scr, at, sc_vtb_getc(&scp->scr, at), a);
180 }
181
182 static void
remove_txtmouse(scr_stat * scp,int x,int y)183 remove_txtmouse(scr_stat *scp, int x, int y)
184 {
185 }
186
187 static void
gdc_txtmouse(scr_stat * scp,int x,int y,int on)188 gdc_txtmouse(scr_stat *scp, int x, int y, int on)
189 {
190 if (on)
191 draw_txtmouse(scp, x, y);
192 else
193 remove_txtmouse(scp, x, y);
194 }
195
196 #endif /* SC_NO_CUTPASTE */
197
198 #ifndef SC_NO_MODE_CHANGE
199
200 /* graphics mode renderer */
201
202 static void
gdc_grborder(scr_stat * scp,int color)203 gdc_grborder(scr_stat *scp, int color)
204 {
205 vidd_set_border(scp->sc->adp, color);
206 }
207
208 #endif /* SC_NO_MODE_CHANGE */
209