release/src-rt-6.x.4708/cfe/cfe/pccons/vga_subr.h

   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 (mpl@broadcom.com)
  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
  52 typedef 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
  66 void vga_clear(vga_term_t *vga);
  67 void vga_setcursor(vga_term_t *vga,int x,int y);
  68 void vga_writechar(vga_term_t *vga,uint8_t ch,uint8_t attr);
  69 void vga_writestr(vga_term_t *vga,uint8_t *str,uint8_t attr,int len);
  70 void vga_reset(vga_term_t *vga);
  71 void vga_init(vga_term_t *vga,physaddr_t buffer,void (*outfunc)(unsigned int port,uint8_t val));