1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * Copyright 2019 Toomas Soome <tsoome@me.com> 26 */ 27 28 #ifndef _SYS_FONT_H 29 #define _SYS_FONT_H 30 31 #include <sys/queue.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 enum vfnt_map { 38 VFNT_MAP_NORMAL = 0, /* Normal font. */ 39 VFNT_MAP_NORMAL_RH, /* Normal font right hand. */ 40 VFNT_MAP_BOLD, /* Bold font. */ 41 VFNT_MAP_BOLD_RH, /* Bold font right hand. */ 42 VFNT_MAPS /* Number of maps. */ 43 }; 44 45 /* 46 * If the custom console font was loaded, pass it for kernel as a module. 47 * We do not just load the font file, as the font file needs to be processed, 48 * and the early boot has very little resources. So we just set up the 49 * needed structures and make a copy of the byte arrays. 50 * 51 * Note we cannot copy the structures one to one due to the pointer size, 52 * so we record the data by using fixed size structure. 53 */ 54 struct font_info { 55 int32_t fi_checksum; 56 uint32_t fi_width; 57 uint32_t fi_height; 58 uint32_t fi_bitmap_size; 59 uint32_t fi_map_count[VFNT_MAPS]; 60 }; 61 62 struct font_map { 63 uint32_t font_src; /* Source glyph. */ 64 uint16_t font_dst; /* Target glyph. */ 65 uint16_t font_len; /* The number of glyphs in sequence. */ 66 }; 67 68 /* Any unknown glyph is mapped as first (offset 0) glyph in bitmap. */ 69 struct font { 70 struct font_map *vf_map[VFNT_MAPS]; /* Mapping tables. */ 71 uint8_t *vf_bytes; /* Font bitmap data. */ 72 uint32_t vf_width; /* Glyph width. */ 73 uint32_t vf_height; /* Glyph height. */ 74 uint32_t vf_map_count[VFNT_MAPS]; /* Entries in map */ 75 }; 76 77 typedef struct bitmap_data { 78 uint32_t width; 79 uint32_t height; 80 uint32_t compressed_size; 81 uint32_t uncompressed_size; 82 uint8_t *compressed_data; 83 struct font *font; 84 } bitmap_data_t; 85 86 typedef enum { 87 FONT_AUTO, /* This font is loaded by software */ 88 FONT_MANUAL, /* This font is loaded manually by user */ 89 FONT_BOOT, /* This font was passed to kernel by bootloader */ 90 FONT_BUILTIN, /* This font was built in at compile time */ 91 FONT_RELOAD /* This font is marked to be re-read from file */ 92 } FONT_FLAGS; 93 94 struct fontlist { 95 char *font_name; 96 FONT_FLAGS font_flags; 97 bitmap_data_t *font_data; 98 bitmap_data_t *(*font_load)(char *); 99 STAILQ_ENTRY(fontlist) font_next; 100 }; 101 102 #define FONT_HEADER_MAGIC "VFNT0002" 103 struct font_header { 104 uint8_t fh_magic[8]; 105 uint8_t fh_width; 106 uint8_t fh_height; 107 uint16_t fh_pad; 108 uint32_t fh_glyph_count; 109 uint32_t fh_map_count[4]; 110 } __attribute__((__packed__)); 111 112 typedef STAILQ_HEAD(font_list, fontlist) font_list_t; 113 extern font_list_t fonts; 114 115 /* 116 * Built in fonts. We are using Gallant as default on sparc to keep 117 * smooth transition from prom and 8x16 on x86, for vga text mode. 118 */ 119 #ifdef sparc 120 #define DEFAULT_FONT_DATA font_data_12x22 121 extern bitmap_data_t font_data_12x22; 122 #else 123 #define DEFAULT_FONT_DATA font_data_8x16 124 extern bitmap_data_t font_data_8x16; 125 #endif 126 #define BORDER_PIXELS 10 /* space from screen border */ 127 128 void reset_font_flags(void); 129 bitmap_data_t *set_font(short *, short *, short, short); 130 const uint8_t *font_lookup(const struct font *, uint32_t); 131 void font_bit_to_pix4(struct font *, uint8_t *, uint32_t, uint32_t, uint32_t); 132 void font_bit_to_pix8(struct font *, uint8_t *, uint32_t, uint32_t, uint32_t); 133 void font_bit_to_pix16(struct font *, uint16_t *, uint32_t, uint32_t, uint32_t); 134 void font_bit_to_pix24(struct font *, uint8_t *, uint32_t, uint32_t, uint32_t); 135 void font_bit_to_pix32(struct font *, uint32_t *, uint32_t, uint32_t, uint32_t); 136 137 #ifdef __cplusplus 138 } 139 #endif 140 141 #endif /* !_SYS_FONT_H */ 142