1/*  *********************************************************************
2    *  Broadcom Common Firmware Environment (CFE)
3    *
4    *  VGA "teletype" routines			File: VGA_SUBR.H
5    *
6    *  These routines implement a simple "glass tty" interface
7    *  to a vga monitor.
8    *
9    *  Author:  Mitch Lichtenberg
10    *
11    *********************************************************************
12    *
13    *  Copyright 2000,2001,2002,2003
14    *  Broadcom Corporation. All rights reserved.
15    *
16    *  This software is furnished under license and may be used and
17    *  copied only in accordance with the following terms and
18    *  conditions.  Subject to these conditions, you may download,
19    *  copy, install, use, modify and distribute modified or unmodified
20    *  copies of this software in source and/or binary form.  No title
21    *  or ownership is transferred hereby.
22    *
23    *  1) Any source code used, modified or distributed must reproduce
24    *     and retain this copyright notice and list of conditions
25    *     as they appear in the source file.
26    *
27    *  2) No right is granted to use any trade name, trademark, or
28    *     logo of Broadcom Corporation.  The "Broadcom Corporation"
29    *     name may not be used to endorse or promote products derived
30    *     from this software without the prior written permission of
31    *     Broadcom Corporation.
32    *
33    *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
34    *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
35    *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
36    *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
37    *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
38    *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
39    *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40    *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
41    *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
42    *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
43    *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
44    *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
45    *     THE POSSIBILITY OF SUCH DAMAGE.
46    ********************************************************************* */
47
48/*  *********************************************************************
49    *  Structures
50    ********************************************************************* */
51
52typedef struct vga_term_s {
53    physaddr_t vga_buffer;
54    int vga_nrows;
55    int vga_ncols;
56    int vga_cursorX;
57    int vga_cursorY;
58    void (*vga_outb)(unsigned int isaport,uint8_t val);
59} vga_term_t;
60
61/*  *********************************************************************
62    *  Prototypes
63    ********************************************************************* */
64
65
66void vga_clear(vga_term_t *vga);
67void vga_setcursor(vga_term_t *vga,int x,int y);
68void vga_writechar(vga_term_t *vga,uint8_t ch,uint8_t attr);
69void vga_writestr(vga_term_t *vga,hsaddr_t str,uint8_t attr,int len);
70void vga_reset(vga_term_t *vga);
71void vga_init(vga_term_t *vga,physaddr_t buffer,void (*outfunc)(unsigned int port,uint8_t val));
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