/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_VGASUBR_H
#define _SYS_VGASUBR_H

#ifdef  __cplusplus
extern "C" {
#endif

#ifdef _KERNEL

struct vgaregmap {
        uint8_t                 *addr;
        ddi_acc_handle_t        handle;
        boolean_t               mapped;
};
typedef struct vgaregmap *vgaregmap_t;

#elif defined(_STANDALONE)

typedef uint_t vgaregmap_t;

#endif

extern int vga_get_reg(vgaregmap_t reg, int i);
extern void vga_set_reg(vgaregmap_t reg, int i, int v);
extern int vga_get_crtc(vgaregmap_t reg, int i);
extern void vga_set_crtc(vgaregmap_t reg, int i, int v);
extern int vga_get_seq(vgaregmap_t reg, int i);
extern void vga_set_seq(vgaregmap_t reg, int i, int v);
extern int vga_get_grc(vgaregmap_t reg, int i);
extern void vga_set_grc(vgaregmap_t reg, int i, int v);
extern int vga_get_atr(vgaregmap_t reg, int i);
extern void vga_set_atr(vgaregmap_t reg, int i, int v);
extern void vga_put_cmap(vgaregmap_t reg,
        int index, unsigned char r, unsigned char g, unsigned char b);
extern void vga_get_cmap(vgaregmap_t reg,
        int index, unsigned char *r, unsigned char *g, unsigned char *b);
extern void vga_get_hardware_settings(vgaregmap_t reg,
        int *width, int *height);
extern void vga_set_indexed(vgaregmap_t reg, int indexreg,
        int datareg, unsigned char index, unsigned char val);
extern int vga_get_indexed(vgaregmap_t reg, int indexreg,
        int datareg, unsigned char index);

#define VGA_MISC_TEXT   0x67
#define NUM_CRTC_REG    25
#define NUM_SEQ_REG     5
#define NUM_GRC_REG     9
#define NUM_ATR_REG     21

extern unsigned char VGA_ATR_TEXT[NUM_ATR_REG];
extern unsigned char VGA_SEQ_TEXT[NUM_SEQ_REG];
extern unsigned char VGA_CRTC_TEXT[NUM_CRTC_REG];
extern unsigned char VGA_GRC_TEXT[NUM_GRC_REG];
extern unsigned char VGA_TEXT_PALETTES[64][3];

#if     defined(DEBUG)
extern void vga_dump_regs(vgaregmap_t reg,
        int maxseq, int maxcrtc, int maxatr, int maxgrc);
#endif


#ifdef  __cplusplus
}
#endif

#endif /* _SYS_VGASUBR_H */