1/*-
2 * Copyright (c) 1999 Michael Smith <msmith@freebsd.org>
3 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@freebsd.org>
4 * Copyright (c) 2005 Antony Mawer <antony@mawer.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
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
44static int splash_on = FALSE;
45
46static int txt_init(video_adapter_t *adp);
47static int txt_end(video_adapter_t *adp);
48static 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
54static 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
62SPLASH_DECODER(splash_txt, txt_decoder);
63
64static void
65draw_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
85static int
86txt_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
97static int
98txt_end(video_adapter_t *adp)
99{
100
101	return (0);
102}
103
104static int
105txt_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