diff options
Diffstat (limited to 'drivers/video/console/fonts.c')
-rw-r--r-- | drivers/video/console/fonts.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/video/console/fonts.c b/drivers/video/console/fonts.c new file mode 100644 index 000000000000..465d678230ae --- /dev/null +++ b/drivers/video/console/fonts.c | |||
@@ -0,0 +1,139 @@ | |||
1 | /* | ||
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 | |||
15 | #include <linux/config.h> | ||
16 | #include <linux/module.h> | ||
17 | #include <linux/types.h> | ||
18 | #include <linux/string.h> | ||
19 | #if defined(__mc68000__) || defined(CONFIG_APUS) | ||
20 | #include <asm/setup.h> | ||
21 | #endif | ||
22 | #include <linux/font.h> | ||
23 | |||
24 | #define NO_FONTS | ||
25 | |||
26 | static struct font_desc *fonts[] = { | ||
27 | #ifdef CONFIG_FONT_8x8 | ||
28 | #undef NO_FONTS | ||
29 | &font_vga_8x8, | ||
30 | #endif | ||
31 | #ifdef CONFIG_FONT_8x16 | ||
32 | #undef NO_FONTS | ||
33 | &font_vga_8x16, | ||
34 | #endif | ||
35 | #ifdef CONFIG_FONT_6x11 | ||
36 | #undef NO_FONTS | ||
37 | &font_vga_6x11, | ||
38 | #endif | ||
39 | #ifdef CONFIG_FONT_SUN8x16 | ||
40 | #undef NO_FONTS | ||
41 | &font_sun_8x16, | ||
42 | #endif | ||
43 | #ifdef CONFIG_FONT_SUN12x22 | ||
44 | #undef NO_FONTS | ||
45 | &font_sun_12x22, | ||
46 | #endif | ||
47 | #ifdef CONFIG_FONT_ACORN_8x8 | ||
48 | #undef NO_FONTS | ||
49 | &font_acorn_8x8, | ||
50 | #endif | ||
51 | #ifdef CONFIG_FONT_PEARL_8x8 | ||
52 | #undef NO_FONTS | ||
53 | &font_pearl_8x8, | ||
54 | #endif | ||
55 | #ifdef CONFIG_FONT_MINI_4x6 | ||
56 | #undef NO_FONTS | ||
57 | &font_mini_4x6, | ||
58 | #endif | ||
59 | }; | ||
60 | |||
61 | #define num_fonts (sizeof(fonts)/sizeof(*fonts)) | ||
62 | |||
63 | #ifdef NO_FONTS | ||
64 | #error No fonts configured. | ||
65 | #endif | ||
66 | |||
67 | |||
68 | /** | ||
69 | * find_font - find a font | ||
70 | * @name: string name of a font | ||
71 | * | ||
72 | * Find a specified font with string name @name. | ||
73 | * | ||
74 | * Returns %NULL if no font found, or a pointer to the | ||
75 | * specified font. | ||
76 | * | ||
77 | */ | ||
78 | |||
79 | struct font_desc *find_font(char *name) | ||
80 | { | ||
81 | unsigned int i; | ||
82 | |||
83 | for (i = 0; i < num_fonts; i++) | ||
84 | if (!strcmp(fonts[i]->name, name)) | ||
85 | return fonts[i]; | ||
86 | return NULL; | ||
87 | } | ||
88 | |||
89 | |||
90 | /** | ||
91 | * get_default_font - get default font | ||
92 | * @xres: screen size of X | ||
93 | * @yres: screen size of Y | ||
94 | * | ||
95 | * Get the default font for a specified screen size. | ||
96 | * Dimensions are in pixels. | ||
97 | * | ||
98 | * Returns %NULL if no font is found, or a pointer to the | ||
99 | * chosen font. | ||
100 | * | ||
101 | */ | ||
102 | |||
103 | struct font_desc *get_default_font(int xres, int yres) | ||
104 | { | ||
105 | int i, c, cc; | ||
106 | struct font_desc *f, *g; | ||
107 | |||
108 | g = NULL; | ||
109 | cc = -10000; | ||
110 | for(i=0; i<num_fonts; i++) { | ||
111 | f = fonts[i]; | ||
112 | c = f->pref; | ||
113 | #if defined(__mc68000__) || defined(CONFIG_APUS) | ||
114 | #ifdef CONFIG_FONT_PEARL_8x8 | ||
115 | if (MACH_IS_AMIGA && f->idx == PEARL8x8_IDX) | ||
116 | c = 100; | ||
117 | #endif | ||
118 | #ifdef CONFIG_FONT_6x11 | ||
119 | if (MACH_IS_MAC && xres < 640 && f->idx == VGA6x11_IDX) | ||
120 | c = 100; | ||
121 | #endif | ||
122 | #endif | ||
123 | if ((yres < 400) == (f->height <= 8)) | ||
124 | c += 1000; | ||
125 | if (c > cc) { | ||
126 | cc = c; | ||
127 | g = f; | ||
128 | } | ||
129 | } | ||
130 | return g; | ||
131 | } | ||
132 | |||
133 | EXPORT_SYMBOL(fonts); | ||
134 | EXPORT_SYMBOL(find_font); | ||
135 | EXPORT_SYMBOL(get_default_font); | ||
136 | |||
137 | MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>"); | ||
138 | MODULE_DESCRIPTION("Console Fonts"); | ||
139 | MODULE_LICENSE("GPL"); | ||