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/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* VGA "teletype" routines File: VGA_SUBR.H
*
* These routines implement a simple "glass tty" interface
* to a vga monitor.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
/* *********************************************************************
* Structures
********************************************************************* */
typedef struct vga_term_s {
physaddr_t vga_buffer;
int vga_nrows;
int vga_ncols;
int vga_cursorX;
int vga_cursorY;
void (*vga_outb)(unsigned int isaport,uint8_t val);
} vga_term_t;
/* *********************************************************************
* Prototypes
********************************************************************* */
void vga_clear(vga_term_t *vga);
void vga_setcursor(vga_term_t *vga,int x,int y);
void vga_writechar(vga_term_t *vga,uint8_t ch,uint8_t attr);
void vga_writestr(vga_term_t *vga,uint8_t *str,uint8_t attr,int len);
void vga_reset(vga_term_t *vga);
void vga_init(vga_term_t *vga,physaddr_t buffer,void (*outfunc)(unsigned int port,uint8_t val));
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