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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2019 Toomas Soome <tsoome@me.com>
*/
#ifndef _SYS_FONT_H
#define _SYS_FONT_H
#include <sys/queue.h>
#ifdef __cplusplus
extern "C" {
#endif
enum vfnt_map {
VFNT_MAP_NORMAL = 0, /* Normal font. */
VFNT_MAP_NORMAL_RH, /* Normal font right hand. */
VFNT_MAP_BOLD, /* Bold font. */
VFNT_MAP_BOLD_RH, /* Bold font right hand. */
VFNT_MAPS /* Number of maps. */
};
/*
* If the custom console font was loaded, pass it for kernel as a module.
* We do not just load the font file, as the font file needs to be processed,
* and the early boot has very little resources. So we just set up the
* needed structures and make a copy of the byte arrays.
*
* Note we cannot copy the structures one to one due to the pointer size,
* so we record the data by using fixed size structure.
*/
struct font_info {
int32_t fi_checksum;
uint32_t fi_width;
uint32_t fi_height;
uint32_t fi_bitmap_size;
uint32_t fi_map_count[VFNT_MAPS];
};
struct font_map {
uint32_t font_src; /* Source glyph. */
uint16_t font_dst; /* Target glyph. */
uint16_t font_len; /* The number of glyphs in sequence. */
};
/* Any unknown glyph is mapped as first (offset 0) glyph in bitmap. */
struct font {
struct font_map *vf_map[VFNT_MAPS]; /* Mapping tables. */
uint8_t *vf_bytes; /* Font bitmap data. */
uint32_t vf_width; /* Glyph width. */
uint32_t vf_height; /* Glyph height. */
uint32_t vf_map_count[VFNT_MAPS]; /* Entries in map */
};
typedef struct bitmap_data {
uint32_t width;
uint32_t height;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint8_t *compressed_data;
struct font *font;
} bitmap_data_t;
typedef enum {
FONT_AUTO,
FONT_MANUAL,
FONT_BOOT
} FONT_FLAGS;
struct fontlist {
char *font_name;
FONT_FLAGS font_flags;
bitmap_data_t *font_data;
bitmap_data_t *(*font_load)(char *);
STAILQ_ENTRY(fontlist) font_next;
};
#define FONT_HEADER_MAGIC "VFNT0002"
struct font_header {
uint8_t fh_magic[8];
uint8_t fh_width;
uint8_t fh_height;
uint16_t fh_pad;
uint32_t fh_glyph_count;
uint32_t fh_map_count[4];
} __attribute__((__packed__));
typedef STAILQ_HEAD(font_list, fontlist) font_list_t;
extern font_list_t fonts;
/*
* Built in fonts. We are using Gallant as default on sparc to keep
* smooth transition from prom and 8x16 on x86, for vga text mode.
*/
#ifdef sparc
#define DEFAULT_FONT_DATA font_data_12x22
extern bitmap_data_t font_data_12x22;
#else
#define DEFAULT_FONT_DATA font_data_8x16
extern bitmap_data_t font_data_8x16;
#endif
#define BORDER_PIXELS 10 /* space from screen border */
void reset_font_flags(void);
bitmap_data_t *set_font(short *, short *, short, short);
const uint8_t *font_lookup(const struct font *, uint32_t);
void font_bit_to_pix4(struct font *, uint8_t *, uint32_t, uint8_t, uint8_t);
void font_bit_to_pix8(struct font *, uint8_t *, uint32_t, uint8_t, uint8_t);
void font_bit_to_pix16(struct font *, uint16_t *, uint32_t, uint16_t, uint16_t);
void font_bit_to_pix24(struct font *, uint8_t *, uint32_t, uint32_t, uint32_t);
void font_bit_to_pix32(struct font *, uint32_t *, uint32_t, uint32_t, uint32_t);
#ifdef __cplusplus
}
#endif
#endif /* !_SYS_FONT_H */
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