pcdisplay_subr.c revision 1.1 1 1.1 drochner /* $NetBSD: pcdisplay_subr.c,v 1.1 1998/05/28 16:48:40 drochner Exp $ */
2 1.1 drochner
3 1.1 drochner /*
4 1.1 drochner * Copyright (c) 1995, 1996 Carnegie-Mellon University.
5 1.1 drochner * All rights reserved.
6 1.1 drochner *
7 1.1 drochner * Author: Chris G. Demetriou
8 1.1 drochner *
9 1.1 drochner * Permission to use, copy, modify and distribute this software and
10 1.1 drochner * its documentation is hereby granted, provided that both the copyright
11 1.1 drochner * notice and this permission notice appear in all copies of the
12 1.1 drochner * software, derivative works or modified versions, and any portions
13 1.1 drochner * thereof, and that both notices appear in supporting documentation.
14 1.1 drochner *
15 1.1 drochner * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 1.1 drochner * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 1.1 drochner * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 1.1 drochner *
19 1.1 drochner * Carnegie Mellon requests users of this software to return to
20 1.1 drochner *
21 1.1 drochner * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU
22 1.1 drochner * School of Computer Science
23 1.1 drochner * Carnegie Mellon University
24 1.1 drochner * Pittsburgh PA 15213-3890
25 1.1 drochner *
26 1.1 drochner * any improvements or extensions that they make and grant Carnegie the
27 1.1 drochner * rights to redistribute these changes.
28 1.1 drochner */
29 1.1 drochner
30 1.1 drochner #include <sys/param.h>
31 1.1 drochner #include <sys/systm.h>
32 1.1 drochner #include <sys/device.h>
33 1.1 drochner #include <machine/bus.h>
34 1.1 drochner
35 1.1 drochner #include <dev/isa/isavar.h>
36 1.1 drochner #include <dev/isa/isareg.h>
37 1.1 drochner
38 1.1 drochner #include <dev/ic/mc6845reg.h>
39 1.1 drochner #include <dev/ic/pcdisplayvar.h>
40 1.1 drochner
41 1.1 drochner #include <dev/wscons/wsdisplayvar.h>
42 1.1 drochner
43 1.1 drochner void
44 1.1 drochner pcdisplay_cursor(id, on, row, col)
45 1.1 drochner void *id;
46 1.1 drochner int on, row, col;
47 1.1 drochner {
48 1.1 drochner struct pcdisplayscreen *scr = id;
49 1.1 drochner int pos;
50 1.1 drochner
51 1.1 drochner #if 0
52 1.1 drochner printf("pcdisplay_cursor: %d %d\n", row, col);
53 1.1 drochner #endif
54 1.1 drochner scr->vc_crow = row;
55 1.1 drochner scr->vc_ccol = col;
56 1.1 drochner scr->cursoron = on;
57 1.1 drochner
58 1.1 drochner if (scr->active) {
59 1.1 drochner if (!on) {
60 1.1 drochner /* XXX disable cursor how??? */
61 1.1 drochner row = col = -1;
62 1.1 drochner }
63 1.1 drochner
64 1.1 drochner pos = row * scr->type->ncols + col;
65 1.1 drochner
66 1.1 drochner pcdisplay_6845_write(scr->hdl, cursorh, pos >> 8);
67 1.1 drochner pcdisplay_6845_write(scr->hdl, cursorl, pos);
68 1.1 drochner }
69 1.1 drochner }
70 1.1 drochner
71 1.1 drochner void
72 1.1 drochner pcdisplay_putstr(id, row, col, cp, len, attr)
73 1.1 drochner void *id;
74 1.1 drochner int row, col;
75 1.1 drochner char *cp;
76 1.1 drochner int len;
77 1.1 drochner long attr;
78 1.1 drochner {
79 1.1 drochner struct pcdisplayscreen *scr = id;
80 1.1 drochner bus_space_tag_t memt = scr->hdl->ph_memt;
81 1.1 drochner bus_space_handle_t memh = scr->hdl->ph_memh;
82 1.1 drochner int i, off;
83 1.1 drochner
84 1.1 drochner off = row * scr->type->ncols + col;
85 1.1 drochner
86 1.1 drochner if (scr->active) {
87 1.1 drochner off *= 2;
88 1.1 drochner
89 1.1 drochner for (i = 0; i < len; i++, cp++, off += 2)
90 1.1 drochner bus_space_write_2(memt, memh, off, (attr << 8) | *cp);
91 1.1 drochner } else {
92 1.1 drochner u_int16_t *m = &scr->mem[off];
93 1.1 drochner
94 1.1 drochner for (i = 0; i < len; i++, cp++)
95 1.1 drochner *m++ = *cp | (attr << 8);
96 1.1 drochner }
97 1.1 drochner }
98 1.1 drochner
99 1.1 drochner void
100 1.1 drochner pcdisplay_copycols(id, row, srccol, dstcol, ncols)
101 1.1 drochner void *id;
102 1.1 drochner int row, srccol, dstcol, ncols;
103 1.1 drochner {
104 1.1 drochner struct pcdisplayscreen *scr = id;
105 1.1 drochner bus_space_tag_t memt = scr->hdl->ph_memt;
106 1.1 drochner bus_space_handle_t memh = scr->hdl->ph_memh;
107 1.1 drochner bus_size_t srcoff, dstoff;
108 1.1 drochner
109 1.1 drochner srcoff = dstoff = row * scr->type->ncols;
110 1.1 drochner srcoff += srccol;
111 1.1 drochner dstoff += dstcol;
112 1.1 drochner
113 1.1 drochner if (scr->active)
114 1.1 drochner bus_space_copy_region_2(memt, memh, srcoff * 2,
115 1.1 drochner memh, dstoff * 2, ncols);
116 1.1 drochner else
117 1.1 drochner bcopy(&scr->mem[srcoff], &scr->mem[dstoff], ncols * 2);
118 1.1 drochner }
119 1.1 drochner
120 1.1 drochner void
121 1.1 drochner pcdisplay_erasecols(id, row, startcol, ncols, fillattr)
122 1.1 drochner void *id;
123 1.1 drochner int row, startcol, ncols;
124 1.1 drochner long fillattr;
125 1.1 drochner {
126 1.1 drochner struct pcdisplayscreen *scr = id;
127 1.1 drochner bus_space_tag_t memt = scr->hdl->ph_memt;
128 1.1 drochner bus_space_handle_t memh = scr->hdl->ph_memh;
129 1.1 drochner bus_size_t off;
130 1.1 drochner u_int16_t val;
131 1.1 drochner int i;
132 1.1 drochner
133 1.1 drochner off = row * scr->type->ncols + startcol;
134 1.1 drochner
135 1.1 drochner val = (fillattr << 8) | ' ';
136 1.1 drochner
137 1.1 drochner if (scr->active)
138 1.1 drochner bus_space_set_region_2(memt, memh, off * 2, val, ncols);
139 1.1 drochner else
140 1.1 drochner for (i = 0; i < ncols; i++)
141 1.1 drochner scr->mem[off + i] = val;
142 1.1 drochner }
143 1.1 drochner
144 1.1 drochner void
145 1.1 drochner pcdisplay_copyrows(id, srcrow, dstrow, nrows)
146 1.1 drochner void *id;
147 1.1 drochner int srcrow, dstrow, nrows;
148 1.1 drochner {
149 1.1 drochner struct pcdisplayscreen *scr = id;
150 1.1 drochner bus_space_tag_t memt = scr->hdl->ph_memt;
151 1.1 drochner bus_space_handle_t memh = scr->hdl->ph_memh;
152 1.1 drochner int ncols = scr->type->ncols;
153 1.1 drochner bus_size_t srcoff, dstoff;
154 1.1 drochner
155 1.1 drochner srcoff = srcrow * ncols + 0;
156 1.1 drochner dstoff = dstrow * ncols + 0;
157 1.1 drochner
158 1.1 drochner if (scr->active)
159 1.1 drochner bus_space_copy_region_2(memt, memh, srcoff * 2,
160 1.1 drochner memh, dstoff * 2, nrows * ncols);
161 1.1 drochner else
162 1.1 drochner bcopy(&scr->mem[srcoff], &scr->mem[dstoff],
163 1.1 drochner nrows * ncols * 2);
164 1.1 drochner }
165 1.1 drochner
166 1.1 drochner void
167 1.1 drochner pcdisplay_eraserows(id, startrow, nrows, fillattr)
168 1.1 drochner void *id;
169 1.1 drochner int startrow, nrows;
170 1.1 drochner long fillattr;
171 1.1 drochner {
172 1.1 drochner struct pcdisplayscreen *scr = id;
173 1.1 drochner bus_space_tag_t memt = scr->hdl->ph_memt;
174 1.1 drochner bus_space_handle_t memh = scr->hdl->ph_memh;
175 1.1 drochner bus_size_t off, count;
176 1.1 drochner u_int16_t val;
177 1.1 drochner int i;
178 1.1 drochner
179 1.1 drochner off = startrow * scr->type->ncols;
180 1.1 drochner count = nrows * scr->type->ncols;
181 1.1 drochner
182 1.1 drochner val = (fillattr << 8) | ' ';
183 1.1 drochner
184 1.1 drochner if (scr->active)
185 1.1 drochner bus_space_set_region_2(memt, memh, off * 2, val, count);
186 1.1 drochner else
187 1.1 drochner for (i = 0; i < count; i++)
188 1.1 drochner scr->mem[off + i] = val;
189 1.1 drochner }
190