1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1999 Michael Smith <msmith@freebsd.org>
5 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@freebsd.org>
6 * Copyright (c) 2005 Antony Mawer <antony@mawer.org>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/module.h>
34 #include <sys/kernel.h>
35 #include <sys/consio.h>
36 #include <sys/fbio.h>
37
38 #include <machine/pc/display.h>
39
40 #include <dev/fb/fbreg.h>
41 #include <dev/fb/splashreg.h>
42 #include <dev/syscons/syscons.h>
43
44 static int splash_on = FALSE;
45
46 static int txt_init(video_adapter_t *adp);
47 static int txt_end(video_adapter_t *adp);
48 static int txt_splash(video_adapter_t * adp, const int on);
49
50 /* These are rows by columns of the text-mode display device. */
51 #define BIN_IMAGE_WIDTH 80
52 #define BIN_IMAGE_HEIGHT 25
53
54 static splash_decoder_t txt_decoder = {
55 .name = "splash_txt",
56 .init = txt_init,
57 .term = txt_end,
58 .splash = txt_splash,
59 .data_type = SPLASH_IMAGE,
60 };
61
62 SPLASH_DECODER(splash_txt, txt_decoder);
63
64 static void
draw_text_splash(sc_softc_t * sc)65 draw_text_splash(sc_softc_t *sc)
66 {
67 u_int x, y;
68 u_char ch, attr;
69 u_char *pdata = txt_decoder.data;
70
71 /* Init failed. */
72 if (txt_decoder.data == NULL)
73 return;
74 for (y = 0; y < BIN_IMAGE_HEIGHT; y++) {
75 for (x = 0; x < BIN_IMAGE_WIDTH; x++) {
76 ch = *pdata++;
77 attr = *pdata++;
78 sc_vtb_putc(&sc->cur_scp->scr,
79 (y * sc->cur_scp->xsize) + x,
80 sc->scr_map[ch], (int)attr << 8);
81 }
82 }
83 }
84
85 static int
txt_init(video_adapter_t * adp)86 txt_init(video_adapter_t *adp)
87 {
88
89 /* Ensure that the image data exists. */
90 if (txt_decoder.data == NULL || txt_decoder.data_size <= 0) {
91 printf("splash_txt: No ASCII bitmap file found\n");
92 return (ENODEV);
93 }
94 return (0);
95 }
96
97 static int
txt_end(video_adapter_t * adp)98 txt_end(video_adapter_t *adp)
99 {
100
101 return (0);
102 }
103
104 static int
txt_splash(video_adapter_t * adp,const int on)105 txt_splash(video_adapter_t *adp, const int on)
106 {
107 sc_softc_t *sc;
108 scr_stat *scp;
109
110 sc = sc_find_softc(adp, NULL);
111 if (sc == NULL)
112 return (EAGAIN);
113 scp = sc->cur_scp;
114 if (on) {
115 if (!splash_on) {
116 if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
117 return EAGAIN;
118 /* Clear screen and set border colour. */
119 sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
120 (FG_LIGHTGREY | BG_BLACK) << 8);
121 (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
122 sc_set_border(scp, 0);
123 splash_on = TRUE;
124 /* Display the splash screen. */
125 draw_text_splash(sc);
126 }
127 return (0);
128 } else {
129 /* The video mode will be restored by the caller. */
130 splash_on = FALSE;
131 return (0);
132 }
133 }
134
135
136