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authorwdenk <wdenk>2002-09-30 16:12:23 +0000
committerwdenk <wdenk>2002-09-30 16:12:23 +0000
commit858b1a643fcb1a0a5603c287c2b10124345a8910 (patch)
treebfffc455721851873b38cbdacf71f68ef4d4433c /board/mpl/common
parentef94f5da1de4efc6db1f7fcaf8f68c2b4c033fc9 (diff)
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Initial revision
Diffstat (limited to 'board/mpl/common')
-rw-r--r--board/mpl/common/video.c760
-rw-r--r--board/mpl/common/video.h75
2 files changed, 835 insertions, 0 deletions
diff --git a/board/mpl/common/video.c b/board/mpl/common/video.c
new file mode 100644
index 0000000..d92804a
--- /dev/null
+++ b/board/mpl/common/video.c
@@ -0,0 +1,760 @@
+/*
+ * (C) Copyright 2001
+ * Denis Peter, MPL AG Switzerland
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * Note: Parts of these software are imported from
+ * - UBL, The Universal Talkware Boot Loader
+ * Copyright (C) 2000 Universal Talkware Inc.
+ * - Linux
+ *
+ *
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_VIDEO
+
+#include <command.h>
+#include <asm/processor.h>
+#include <devices.h>
+#include "video.h"
+#include <pci.h>
+#include "vga_table.h"
+
+
+
+#ifdef CONFIG_VIDEO_CT69000
+#define VIDEO_VEND_ID 0x102C
+#define VIDEO_DEV_ID 0x00C0
+#else
+#error CONFIG_VIDEO_CT69000 must be defined
+#endif
+
+/*
+ * Routine for resent board info to video
+ * resides in pip405.c
+ */
+extern void video_write_board_info(void);
+
+#undef VGA_DEBUG
+
+#ifdef VGA_DEBUG
+#define PRINTF(fmt,args...) printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+#define VGA_MAXROWS 25
+#define VGA_MAXCOLS 80
+
+#define CRTC_CURSH 14 /* cursor high pos */
+#define CRTC_CURSL 15 /* cursor low pos */
+
+/* description of the hardware layout */
+
+#define ATTRI_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3c0 /* Index and Data write port of the attribute Registers */
+#define ATTRI_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3c1 /* Data port of the attribute Registers */
+#define STATUS_REG0 CFG_ISA_IO_BASE_ADDRESS | 0x3c2 /* Status Register 0 (read only) */
+#define MSR_REG_W CFG_ISA_IO_BASE_ADDRESS | 0x3c2 /* Misc. Output Register (write only) */
+#define SEQ_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3c4 /* Index port of the Sequencer Controller */
+#define SEQ_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3c5 /* Data port of the Sequencer Controller */
+#define COL_PAL_MASK CFG_ISA_IO_BASE_ADDRESS | 0x3c6 /* Color Palette Mask */
+#define COL_PAL_STAT CFG_ISA_IO_BASE_ADDRESS | 0x3c7 /* Color Palette Status (read only) */
+#define COL_PAL_IND_R CFG_ISA_IO_BASE_ADDRESS | 0x3c7 /* Color Palette Read Mode Index (write only) */
+#define COL_PAL_IND_W CFG_ISA_IO_BASE_ADDRESS | 0x3c8 /* Color Palette Write Mode Index */
+#define COL_PAL_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3c9 /* Color Palette Data Port */
+#define FCR_REG_R CFG_ISA_IO_BASE_ADDRESS | 0x3ca /* Feature Control Register (read only) */
+#define MSR_REG_R CFG_ISA_IO_BASE_ADDRESS | 0x3cc /* Misc. Output Register (read only) */
+#define GR_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3ce /* Index port of the Graphic Controller Registers */
+#define GR_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3cf /* Data port of the Graphic Controller Registers */
+#define FP_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d0 /* Index port of the Flat panel Registers */
+#define FP_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d1 /* Data port of the Flat panel Registers */
+#define MR_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d2 /* Index Port of the Multimedia Extension */
+#define MR_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d3 /* Data Port of the Multimedia Extension */
+#define CRT_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d4 /* Index port of the CRT Controller */
+#define CRT_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d5 /* Data port of the CRT Controller */
+#define XREG_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d6 /* Extended Register index */
+#define XREG_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d7 /* Extended Register data */
+#define STATUS_REG1 CFG_ISA_IO_BASE_ADDRESS | 0x3da /* Input Status Register 1 (read only) */
+#define FCR_REG_W CFG_ISA_IO_BASE_ADDRESS | 0x3da /* Feature Control Register (write only) */
+
+
+static unsigned char * video_fb; /* Frame buffer */
+
+/* current hardware state */
+
+static int video_row;
+static int video_col;
+static unsigned char video_attr;
+
+static unsigned int font_base_addr;
+/**********************************************************************
+ * some forward declerations...
+ */
+int video_init(int busdevfunc);
+void vga_set_attrib(void);
+void vga_set_crt(void);
+void vga_set_dac(void);
+void vga_set_gr(void);
+void vga_set_seq(void);
+void vga_set_xreg(void);
+void vga_write_sr(unsigned char reg,unsigned char val);
+void vga_write_gr(unsigned char reg,unsigned char val);
+void vga_write_cr(unsigned char reg,unsigned char val);
+void vga_set_font(void);
+
+/***************************************************************************
+ * Init VGA Device
+ */
+
+int drv_video_init (void)
+{
+ int error, devices = 1 ;
+ device_t vgadev ;
+ int busdevfunc;
+
+ busdevfunc=pci_find_device(VIDEO_VEND_ID,VIDEO_DEV_ID,0); /* get PCI Device ID */
+ if(busdevfunc==-1) {
+#ifdef CONFIG_VIDEO_ONBOARD
+ printf("Error VGA Controller (%04X,%04X) not found\n",VIDEO_VEND_ID,VIDEO_DEV_ID);
+#endif
+ return -1;
+ }
+ video_init(busdevfunc);
+ video_write_board_info();
+ memset (&vgadev, 0, sizeof(vgadev));
+
+ strcpy(vgadev.name, "vga");
+ vgadev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
+ vgadev.putc = video_putc;
+ vgadev.puts = video_puts;
+ vgadev.getc = NULL;
+ vgadev.tstc = NULL;
+ error = device_register (&vgadev);
+
+ return (error == 0) ? devices : error ;
+}
+
+
+/***********************************************************
+ * VGA Initializing
+ */
+
+int video_init(int busdevfunc)
+{
+ pci_read_config_dword(busdevfunc, PCI_BASE_ADDRESS_0, &font_base_addr);
+
+ video_fb = (char*)font_base_addr; /* we look into the big linaer memory area */
+
+ /* set the extended Registers */
+ vga_set_xreg();
+
+ /* set IO Addresses to 0x3Dx (color mode ) */
+ out8(MSR_REG_W,0x01);
+
+ /* Feature Control Register:
+ Bits 7-4 Reserved = 0
+ Bit 3 Vertical Sync select = 1 = Enabled
+ Bits 2-0 Reserved = 010 = as read from memory.
+ */
+ out8(FCR_REG_W,0x02);
+
+
+ /* Miscelaneous output Register:
+ Bits 7-6 (num lines) = 01 = VGA 400 lines,
+ Bit 5 (Odd/Even Page) = 1 = Sleect high page of memory,
+ Bit 4 reserved = 0,
+ Bits 3-2 (Clocl Select) = 01 = 28.322Mhz
+ Bit 1 = Display Ram Enable = 1 = Enable processor access.
+ Bit 0 = Io Address Select = 1 = Color Graphics Enulation.
+ */
+ out8(MSR_REG_W,0x67);
+ /* set the palette */
+ vga_set_dac();
+ /* set the attributes (before we bring up the engine
+ then we dont have to wait for refresh).
+ */
+ vga_set_attrib();
+
+ /* set the crontroller register. */
+ vga_set_crt();
+
+ vga_write_sr(0x00,0x01); /* synchronous reset */
+ vga_write_sr(0x01,0x00); /* clocking mode */
+ vga_write_sr(0x02,0x03); /* write to map 0, 1 */
+ vga_write_sr(0x03,0x00); /* select character map 0 */
+ vga_write_sr(0x04,0x03); /* even-odd addressing */
+ vga_write_sr(0x00,0x03); /* clear synchronous reset */
+
+ vga_set_seq(); /* Set the extended sr's. */
+
+ vga_set_gr(); /* Set the graphic registers. */
+
+ /* load the font */
+ vga_set_font();
+
+ /* initialize the rol/col counts and the text attribute. */
+ video_row=0;
+ video_col=0;
+ video_attr = VGA_ATTR_CLR_WHT;
+
+ /* Clear the video ram */
+ video_clear();
+
+ return 1;
+}
+
+void vga_set_font(void)
+{
+ int i,j;
+ char *fontmap;
+ fontmap = (char *)font_base_addr;
+
+ vga_write_sr(0x00,0x01); /* synchronous reset */
+ vga_write_sr(0x04,0x06); /* sequential addressing */
+ vga_write_sr(0x02,0x04); /* write to map 2 */
+ vga_write_sr(0x00,0x03); /* clear synchronous reset */
+
+ vga_write_gr(0x04,0x02); /* select map 2 */
+ vga_write_gr(0x05,0x00); /* disable odd-even addressing */
+ vga_write_gr(0x06,0x00); /* map start at 0xa0000 */
+
+ for(i=0;i<0x100;i++) {
+ for(j=0;j<0x10;j++) {
+ *((char *)fontmap+i*32+j)=(char)fontdata_8x16[i*16+j];
+ }
+ }
+ vga_write_sr(0x00,0x01); /* synchronous reset */
+ vga_write_sr(0x02,0x03); /* write to map 0 and 1 */
+ vga_write_sr(0x04,0x03); /* odd-even addressing */
+ vga_write_sr(0x03,0x00); /* Character map 0 & 1 */
+ vga_write_sr(0x00,0x03); /* clear synchronous reset */
+
+ vga_write_gr(0x04,0x00); /* select map 0 for CPU */
+ vga_write_gr(0x05,0x10); /* enable odd-even addressing */
+ vga_write_gr(0x06,0x0E); /* map start at 0xb8000 */
+}
+
+
+/* since we are BIG endian, swap attributes and char */
+unsigned short vga_swap_short(unsigned short val)
+{
+ unsigned short swapped;
+ swapped = ((val & 0xff)<<8) | ((val & 0xff00)>>8);
+ return swapped;
+}
+
+/****************************************************
+ * Routines usable Outside world
+ */
+
+/* scolls the text up row rows */
+void video_scroll(int row)
+{
+ unsigned short clear = ((unsigned short)video_attr << 8) | (' ');
+ unsigned short* addr16 = &((unsigned short *)video_fb)[(VGA_MAXROWS-row)*VGA_MAXCOLS];
+ int i;
+
+ clear=vga_swap_short(clear);
+ memcpy(video_fb, video_fb+row*(VGA_MAXCOLS*2), (VGA_MAXROWS-row)*(VGA_MAXCOLS*2));
+ for (i = 0 ; i < row * VGA_MAXCOLS ; i++)
+ addr16[i] = clear;
+ video_row-=row;
+ video_col=0;
+}
+
+
+unsigned long video_cursor(int col, int row)
+{
+ unsigned short off = row * VGA_MAXCOLS + col ;
+ unsigned long saved = (video_col << 16) | (video_row & 0xFFFF);
+ video_col = col;
+ video_row = row;
+
+ vga_write_cr(CRTC_CURSH,(unsigned char)((off & 0xff00)>>8)); /* Cursor pos. high */
+ vga_write_cr(CRTC_CURSL,(unsigned char)(off & 0xff)); /* Cursor pos. low */
+ return saved;
+}
+
+void video_set_lxy(unsigned long lxy)
+{
+ int col = (lxy >> 16) & 0xFFFF;
+ int row = lxy & 0xFFFF;
+ video_cursor(col,row);
+}
+
+unsigned long video_get_lxy(void)
+{
+ return (video_col << 16) | (video_row & 0xFFFF);
+}
+
+void video_clear(void)
+{
+ int i;
+ unsigned short clear = ((unsigned short)video_attr << 8) | (' ');
+ unsigned short * addr16 = (unsigned short * )video_fb;
+ clear=vga_swap_short(clear);
+ video_row = video_col = 0;
+ for (i = 0 ; i < 2000 ; i++) {
+ addr16[i] = clear;
+ }
+}
+
+void video_copy(unsigned short *buffer)
+{
+ int i;
+ unsigned short * addr16 = (unsigned short * )video_fb;
+ for (i = 0 ; i < 2000 ; i++) {
+ buffer[i] = addr16[i];
+ }
+}
+
+void video_write(unsigned short *buffer)
+{
+ int i;
+ unsigned short * addr16 = (unsigned short *)video_fb;
+ for (i = 0 ; i < 2000 ; i++) {
+ addr16[i] = buffer[i];
+ }
+}
+
+void video_putc(char ch)
+{
+ char* addr;
+#if 0
+ char buf[48];
+ char buf1[16];
+ static int i=0;
+
+ sprintf(buf1,"%02X ",ch);
+ serial_puts(buf1);
+ buf[i++]=((ch>=0x20)&&(ch<=0x7f)) ? ch : '.';
+ if(i>=16) {
+ buf[i++]='\n';
+ buf[i]='\0';
+ i=0;
+ serial_puts(" ");
+ serial_puts(buf);
+ }
+#endif
+ switch (ch) {
+ case '\n':
+ video_col=0;
+ video_row++;
+ break;
+ case '\r':
+ video_col=0;
+ break;
+ case '\t':
+ video_col += 8 - video_col % 8;
+ break;
+ case '\a':
+/* beep(); */
+ break;
+ case '\b':
+ if(video_col)
+ video_col--;
+ else
+ return;
+ break;
+ default:
+ addr = video_fb + 2 * video_row * 80 + 2 * video_col;
+
+ *((char *)addr+1) = (char) video_attr;
+ *((char *)addr) = (char) ch;
+ video_col++;
+ if (video_col > (VGA_MAXCOLS-1)) {
+ video_row++;
+ video_col=0;
+ }
+ }
+
+ /* If we're on the bottom of the secreen, wrap one row */
+ if (video_row > (VGA_MAXROWS-1))
+ video_scroll(1);
+ video_cursor(video_col, video_row);
+}
+
+
+unsigned char video_set_attr(unsigned char attr)
+{
+ unsigned char saved_attr = video_attr;
+ video_attr = attr;
+ return saved_attr;
+}
+
+unsigned char video_set_attr_xy(unsigned char attr, int x, int y)
+{
+ unsigned char *addr = video_fb + (x * 80 + y) * 2 + 1;
+ unsigned char saved_attr = *addr;
+ *addr = attr;
+ return saved_attr;
+}
+
+/* put char at xy */
+void video_putc_xy(char ch, int x, int y)
+{
+ video_col = x;
+ video_row = y;
+ video_putc(ch);
+}
+
+/* put char at xy relative to the position */
+void video_putc_rxy(char ch, int x, int y)
+{
+ video_col += x;
+ video_row += y;
+ video_putc(ch);
+}
+
+/* put char with attribute at xy */
+void video_putc_axy(char ch, char attr, int x, int y)
+{
+ unsigned char saved_attr = video_set_attr(attr);
+ video_col = x;
+ video_row = y;
+ video_putc(ch);
+ video_set_attr(saved_attr);
+}
+
+void video_puts(const char *s)
+{
+ while(*s) {
+ video_putc(*s);
+ s++;
+ }
+}
+
+void video_puts_a(const char *s, char attr)
+{
+ unsigned char saved_attr = video_set_attr(attr);
+ video_puts(s);
+ video_set_attr(saved_attr);
+}
+
+void video_puts_xy(const char *s, int x, int y)
+{
+ video_cursor(x,y);
+ video_puts(s);
+}
+
+void video_puts_axy(const char *s, char attr, int x, int y)
+{
+ unsigned char saved_attr = video_set_attr(attr);
+ video_puts_xy(s, x, y);
+ video_set_attr(saved_attr);
+}
+
+void video_wipe_ca_area(unsigned char ch, char attr, int x, int y, int w, int h)
+{
+ int r, c;
+ /* better to do this as word writes */
+ unsigned short * addr16 = (unsigned short *)video_fb + (y * 80 + x);
+ unsigned short charattr = (unsigned short)ch << 8 | attr;
+ charattr=vga_swap_short(charattr);
+ for (r = 0 ; r < h ; r++, addr16 += 80) {
+ for (c = 0 ; c < w ; c++) {
+ addr16[c] = charattr;
+ }
+ }
+}
+
+void video_wipe_a_area(unsigned char attr, int x, int y, int w, int h)
+{
+ int r, c;
+ /* better to do this as word writes */
+ unsigned short * addr16 = (unsigned short *)video_fb + (y * 80 + x);
+ for (r = 0 ; r < h ; r++, addr16 += 80) {
+ for (c = 0 ; c < w ; c++) {
+ ((char*)addr16)[c*2+1] = attr;
+ }
+ }
+}
+
+void video_wipe_c_area(unsigned char ch, int x, int y, int w, int h)
+{
+ int r, c;
+ /* better to do this as word writes */
+ unsigned short * addr16 = (unsigned short *)video_fb + (y * 80 + x);
+ for (r = 0 ; r < h ; r++, addr16 += 80) {
+ for (c = 0 ; c < w ; c++) {
+ ((char*)addr16)[c*2] = ch;
+ }
+ }
+}
+
+
+/*
+tl t tr
+l l
+bl b br
+*/
+typedef struct {
+ unsigned char tl; /* top left corner */
+ unsigned char t; /* top edge */
+ unsigned char tr; /* top right corner */
+ unsigned char l; /* left edge */
+ unsigned char r; /* right edge */
+ unsigned char bl; /* bottom left corner */
+ unsigned char b; /* bottom edge */
+ unsigned char br; /* bottom right corner */
+} box_chars_t;
+
+box_chars_t sbox_chars = {
+ 0xDA, 0xC4, 0xBF,
+ 0xB3, 0xB3,
+ 0xC0, 0xC4, 0xD9
+};
+
+box_chars_t dbox_chars = {
+ 0xC9, 0xCD, 0xBB,
+ 0xBA, 0xBA,
+ 0xC8, 0xCD, 0xBC
+};
+
+static char cmap[] = "0123456789ABCDEF";
+void video_putchex(char c)
+{
+ video_putc(cmap[(c >> 4 ) & 0xF]);
+ video_putc(cmap[c & 0xF]);
+}
+
+void video_putchexl(char c)
+{
+ video_putc(cmap[c & 0xF]);
+}
+
+void video_putchexh(char c)
+{
+ video_putc(cmap[(c >> 4) & 0xF]);
+}
+
+#define VGA_CELL_CA(a,c) (((unsigned short)c<<8)|a) /* for BIG endians */
+
+void video_gbox_area(box_chars_t *box_chars_p, int x, int y, int w, int h)
+{
+ int r, c;
+ /* better to do this as word writes */
+ unsigned short* addr16 = (unsigned short *)video_fb + (y * VGA_MAXCOLS + x);
+ for (r = 0 ; r < h ; r++, addr16 += VGA_MAXCOLS) {
+ if (r == 0) {
+ addr16[0] = VGA_CELL_CA(video_attr, box_chars_p->tl);
+ addr16[w-1] = VGA_CELL_CA(video_attr, box_chars_p->tr);
+ for (c = 1 ; c < w - 1 ; c++)
+ addr16[c] = VGA_CELL_CA(video_attr, box_chars_p->t);
+ } else if (r == h - 1) {
+ addr16[0] = VGA_CELL_CA(video_attr, box_chars_p->bl);
+ addr16[w-1] = VGA_CELL_CA(video_attr, box_chars_p->br);
+ for (c = 1 ; c < w - 1 ; c++)
+ addr16[c] = VGA_CELL_CA(video_attr, box_chars_p->b);
+ } else {
+ addr16[0] = VGA_CELL_CA(video_attr, box_chars_p->l);
+ addr16[w-1] = VGA_CELL_CA(video_attr, box_chars_p->r);
+ }
+ }
+}
+
+/* Writes a box on the screen */
+void video_box_area(int x, int y, int w, int h) {
+ video_gbox_area(&sbox_chars, x, y, w, h);
+}
+/*writes a box with double lines on the screen */
+void video_dbox_area(int x, int y, int w, int h) {
+ video_gbox_area(&dbox_chars, x, y, w, h);
+}
+
+/* routines to set the VGA registers */
+
+/* set attributes */
+void vga_set_attrib(void)
+{
+ int i;
+ unsigned char status;
+
+ status=in8(STATUS_REG1);
+ i=0;
+
+ while(attr[i].reg!=0xFF) {
+ out8(ATTRI_INDEX,attr[i].reg);
+ out8(ATTRI_INDEX,attr[i].val); /* Attribute uses index for index and data */
+ i++;
+ }
+ out8(ATTRI_INDEX,0x20); /* unblank the screen */
+}
+
+/* set CRT Controller Registers */
+void vga_set_crt(void)
+{
+ int i;
+ i=0;
+ while(crtc[i].reg!=0xFF) {
+ out8(CRT_INDEX,crtc[i].reg);
+ out8(CRT_DATA,crtc[i].val);
+ i++;
+ }
+}
+/* Set Palette Registers (DAC) */
+void vga_set_dac(void)
+{
+ int i;
+ for(i=0;i<256;i++) {
+ out8(COL_PAL_IND_W,(unsigned char)i);
+ out8(COL_PAL_DATA,dac[i][0]); /* red */
+ out8(COL_PAL_DATA,dac[i][1]); /* green */
+ out8(COL_PAL_DATA,dac[i][2]); /* blue */
+ }
+ out8(COL_PAL_MASK,0xff); /* set mask */
+}
+/* set Graphic Controller Register */
+void vga_set_gr(void)
+{
+ int i;
+ i=0;
+ while(grmr[i].reg!=0xFF) {
+ out8(GR_INDEX,grmr[i].reg);
+ out8(GR_DATA,grmr[i].val);
+ i++;
+ }
+}
+
+/* Set Sequencer Registers */
+void vga_set_seq(void)
+{
+ int i;
+ i=0;
+ while(seq[i].reg!=0xFF) {
+ out8(SEQ_INDEX,seq[i].reg);
+ out8(SEQ_DATA,seq[i].val);
+ i++;
+ }
+}
+
+
+/* Set Extension Registers */
+void vga_set_xreg(void)
+{
+ int i;
+ i=0;
+ while(xreg[i].reg!=0xFF) {
+ out8(XREG_INDEX,xreg[i].reg);
+ out8(XREG_DATA,xreg[i].val);
+ i++;
+ }
+}
+
+/************************************************************
+ * some helping routines
+ */
+
+void vga_write_sr(unsigned char reg,unsigned char val)
+{
+ out8(SEQ_INDEX,reg);
+ out8(SEQ_DATA,val);
+}
+
+
+void vga_write_gr(unsigned char reg,unsigned char val)
+{
+ out8(GR_INDEX,reg);
+ out8(GR_DATA,val);
+}
+
+void vga_write_cr(unsigned char reg,unsigned char val)
+{
+ out8(CRT_INDEX,reg);
+ out8(CRT_DATA,val);
+}
+
+
+#if 0
+void video_dump_reg(void)
+{
+ /* first dump attributes */
+ int i;
+ unsigned char status;
+
+
+ printf("Extended Regs:\n");
+ i=0;
+ while(xreg[i].reg!=0xFF) {
+ out8(XREG_INDEX,xreg[i].reg);
+ status=in8(XREG_DATA);
+ printf("XR%02X is %02X, should be %02X\n",xreg[i].reg,status,xreg[i].val);
+ i++;
+ }
+ printf("Sequencer Regs:\n");
+ i=0;
+ while(seq[i].reg!=0xFF) {
+ out8(SEQ_INDEX,seq[i].reg);
+ status=in8(SEQ_DATA);
+ printf("SR%02X is %02X, should be %02X\n",seq[i].reg,status,seq[i].val);
+ i++;
+ }
+ printf("Graphic Regs:\n");
+ i=0;
+ while(grmr[i].reg!=0xFF) {
+ out8(GR_INDEX,grmr[i].reg);
+ status=in8(GR_DATA);
+ printf("GR%02X is %02X, should be %02X\n",grmr[i].reg,status,grmr[i].val);
+ i++;
+ }
+ printf("CRT Regs:\n");
+ i=0;
+ while(crtc[i].reg!=0xFF) {
+ out8(CRT_INDEX,crtc[i].reg);
+ status=in8(CRT_DATA);
+ printf("CR%02X is %02X, should be %02X\n",crtc[i].reg,status,crtc[i].val);
+ i++;
+ }
+ printf("Attributes:\n");
+ status=in8(STATUS_REG1);
+ i=0;
+ while(attr[i].reg!=0xFF) {
+ out8(ATTRI_INDEX,attr[i].reg);
+ status=in8(ATTRI_DATA);
+ out8(ATTRI_INDEX,attr[i].val); /* Attribute uses index for index and data */
+ printf("AR%02X is %02X, should be %02X\n",attr[i].reg,status,attr[i].val);
+ i++;
+ }
+}
+#endif
+
+#endif /* CONFIG_VIDEO */
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/board/mpl/common/video.h b/board/mpl/common/video.h
new file mode 100644
index 0000000..f1fa8ab
--- /dev/null
+++ b/board/mpl/common/video.h
@@ -0,0 +1,75 @@
+/*
+ * (C) Copyright 2001
+ * Denis Peter, MPL AG Switzerland
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifdef CONFIG_VIDEO
+#ifndef _VIDEO_H
+#define _VIDEO_H
+
+int video_init(int busdevfunc);
+void video_clear(void);
+void video_putc(char ch);
+void video_puts(const char *s);
+void video_puts_a(const char *s, char attr);
+unsigned char video_set_attr(unsigned char attr);
+
+void video_box_area(int x, int y, int w, int h);
+void video_dbox_area(int x, int y, int w, int h);
+void video_wipe_c_area(unsigned char ch, int x, int y, int w, int h);
+
+void video_wipe_a_area(unsigned char attr, int x, int y, int w, int h);
+void video_wipe_ca_area(unsigned char ch, char attr, int x, int y, int w, int h);
+void video_puts_axy(const char *s, char attr, int x, int y);
+void video_putc_rxy(char ch, int x, int y);
+void video_putc_xy(char ch, int x, int y);
+unsigned char video_set_attr_xy(unsigned char attr, int x, int y);
+void video_copy(unsigned short *buffer);
+void video_write(unsigned short *buffer);
+
+#define VGA_ATTR_CLR_RED 0x4
+#define VGA_ATTR_CLR_GRN 0x2
+#define VGA_ATTR_CLR_BLU 0x1
+#define VGA_ATTR_CLR_YEL (VGA_ATTR_CLR_RED | VGA_ATTR_CLR_GRN)
+#define VGA_ATTR_CLR_CYN (VGA_ATTR_CLR_GRN | VGA_ATTR_CLR_BLU)
+#define VGA_ATTR_CLR_MAG (VGA_ATTR_CLR_BLU | VGA_ATTR_CLR_RED)
+#define VGA_ATTR_CLR_BLK 0
+#define VGA_ATTR_CLR_WHT (VGA_ATTR_CLR_RED | VGA_ATTR_CLR_GRN | VGA_ATTR_CLR_BLU)
+
+#define VGA_ATTR_BNK 0x80
+#define VGA_ATTR_ITN 0x08
+
+#define VGA_ATTR_BG_MSK 0x70
+#define VGA_ATTR_FG_MSK 0x07
+
+#define VGA_ATTR_BG_GET(v) (((v) & VGA_ATTR_BG_MSK)>>4)
+#define VGA_ATTR_BG_SET(v, c) (((c) & VGA_ATTR_FG_MSK)<<4) | (v & ~VGA_ATTR_BG_MSK))
+
+#define VGA_ATTR_FG_GET(v) ((v) & VGA_ATTR_FG_MSK)
+#define VGA_ATTR_FG_SET(v, c) ((c) & VGA_ATTR_FG_MSK) | (v & ~VGA_ATTR_FG_MSK))
+
+#define VGA_ATTR_FG_BG_SET(v, b, f) (VGA_ATTR_BG_SET(v, b) | VGA_ATTR_FG_SET(v, cf))
+
+#define VGA_ATTR_INVERT(A) ((((A)&0x7)<<4)|(((A)&0x70)>>4) |((A)&0x88))
+
+#endif /* _VIDEO_H */
+#endif /* CONFIG_VIDEO */