blob: d0c03fd7087141359d3d733791bbca2020de0de0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/drivers/video/fonts.c -- `Soft' font definitions
3 *
4 * Created 1995 by Geert Uytterhoeven
5 * Rewritten 1998 by Martin Mares <mj@ucw.cz>
6 *
7 * 2001 - Documented with DocBook
8 * - Brad Douglas <brad@neruo.com>
9 *
10 * This file is subject to the terms and conditions of the GNU General Public
11 * License. See the file COPYING in the main directory of this archive
12 * for more details.
13 */
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/module.h>
16#include <linux/types.h>
17#include <linux/string.h>
Adrian Bunk7b892802008-02-06 01:36:29 -080018#if defined(__mc68000__)
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <asm/setup.h>
20#endif
21#include <linux/font.h>
22
23#define NO_FONTS
24
Jan Beulich2f4516d2005-09-13 01:25:44 -070025static const struct font_desc *fonts[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#ifdef CONFIG_FONT_8x8
27#undef NO_FONTS
28 &font_vga_8x8,
29#endif
30#ifdef CONFIG_FONT_8x16
31#undef NO_FONTS
32 &font_vga_8x16,
33#endif
34#ifdef CONFIG_FONT_6x11
35#undef NO_FONTS
36 &font_vga_6x11,
37#endif
Jurriaan303b86d2005-06-21 17:17:06 -070038#ifdef CONFIG_FONT_7x14
39#undef NO_FONTS
40 &font_7x14,
41#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#ifdef CONFIG_FONT_SUN8x16
43#undef NO_FONTS
44 &font_sun_8x16,
45#endif
46#ifdef CONFIG_FONT_SUN12x22
47#undef NO_FONTS
48 &font_sun_12x22,
49#endif
Jurriaan303b86d2005-06-21 17:17:06 -070050#ifdef CONFIG_FONT_10x18
51#undef NO_FONTS
52 &font_10x18,
53#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070054#ifdef CONFIG_FONT_ACORN_8x8
55#undef NO_FONTS
56 &font_acorn_8x8,
57#endif
58#ifdef CONFIG_FONT_PEARL_8x8
59#undef NO_FONTS
60 &font_pearl_8x8,
61#endif
62#ifdef CONFIG_FONT_MINI_4x6
63#undef NO_FONTS
64 &font_mini_4x6,
65#endif
66};
67
Tobias Klauserd1ae4182006-03-27 01:17:39 -080068#define num_fonts ARRAY_SIZE(fonts)
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70#ifdef NO_FONTS
71#error No fonts configured.
72#endif
73
74
75/**
76 * find_font - find a font
77 * @name: string name of a font
78 *
79 * Find a specified font with string name @name.
80 *
81 * Returns %NULL if no font found, or a pointer to the
82 * specified font.
83 *
84 */
85
Jan Beulich2f4516d2005-09-13 01:25:44 -070086const struct font_desc *find_font(const char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -070087{
88 unsigned int i;
89
90 for (i = 0; i < num_fonts; i++)
91 if (!strcmp(fonts[i]->name, name))
92 return fonts[i];
93 return NULL;
94}
95
96
97/**
98 * get_default_font - get default font
99 * @xres: screen size of X
100 * @yres: screen size of Y
Antonino A. Daplas2d2699d2007-05-08 00:39:11 -0700101 * @font_w: bit array of supported widths (1 - 32)
102 * @font_h: bit array of supported heights (1 - 32)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 *
104 * Get the default font for a specified screen size.
105 * Dimensions are in pixels.
106 *
107 * Returns %NULL if no font is found, or a pointer to the
108 * chosen font.
109 *
110 */
111
Antonino A. Daplas2d2699d2007-05-08 00:39:11 -0700112const struct font_desc *get_default_font(int xres, int yres, u32 font_w,
113 u32 font_h)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114{
115 int i, c, cc;
Jan Beulich2f4516d2005-09-13 01:25:44 -0700116 const struct font_desc *f, *g;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117
118 g = NULL;
119 cc = -10000;
120 for(i=0; i<num_fonts; i++) {
121 f = fonts[i];
122 c = f->pref;
Adrian Bunk7b892802008-02-06 01:36:29 -0800123#if defined(__mc68000__)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124#ifdef CONFIG_FONT_PEARL_8x8
125 if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX)
126 c = 100;
127#endif
128#ifdef CONFIG_FONT_6x11
129 if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX)
130 c = 100;
131#endif
132#endif
133 if ((yres < 400) == (f->height <= 8))
134 c += 1000;
Antonino A. Daplas2d2699d2007-05-08 00:39:11 -0700135
Antonino A. Daplasc81f7172007-07-31 00:37:36 -0700136 if ((font_w & (1 << (f->width - 1))) &&
137 (font_h & (1 << (f->height - 1))))
Antonino A. Daplas2d2699d2007-05-08 00:39:11 -0700138 c += 1000;
139
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 if (c > cc) {
141 cc = c;
142 g = f;
143 }
144 }
145 return g;
146}
147
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148EXPORT_SYMBOL(find_font);
149EXPORT_SYMBOL(get_default_font);
150
151MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
152MODULE_DESCRIPTION("Console Fonts");
153MODULE_LICENSE("GPL");