diff options
Diffstat (limited to 'cfe/cfe/pccons/vga_subr.h')
-rw-r--r-- | cfe/cfe/pccons/vga_subr.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/cfe/cfe/pccons/vga_subr.h b/cfe/cfe/pccons/vga_subr.h new file mode 100644 index 0000000..eb0e0e0 --- /dev/null +++ b/cfe/cfe/pccons/vga_subr.h @@ -0,0 +1,82 @@ +/* ********************************************************************* + * 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)); + + + + + + + + + + + |