--- zzzz-none-000/linux-2.4.17/drivers/video/fbcon-afb.c	2001-10-15 20:47:13.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/drivers/video/fbcon-afb.c	2004-11-24 13:23:15.000000000 +0000
@@ -1,448 +1,448 @@
-/*
- *  linux/drivers/video/afb.c -- Low level frame buffer operations for
- *				 bitplanes à la Amiga
- *
- *	Created 5 Apr 1997 by Geert Uytterhoeven
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License.  See the file COPYING in the main directory of this archive for
- *  more details.
- */
-
-#include <linux/module.h>
-#include <linux/tty.h>
-#include <linux/console.h>
-#include <linux/string.h>
-#include <linux/fb.h>
-
-#include <video/fbcon.h>
-#include <video/fbcon-afb.h>
-
-
-    /*
-     *  Bitplanes à la Amiga
-     */
-
-static u8 expand_table[1024] = {
-    /*  bg = fg = 0 */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    /* bg = 0, fg = 1 */
-    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
-    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
-    0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
-    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
-    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
-    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
-    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
-    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
-    0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
-    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
-    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
-    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
-    0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
-    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
-    0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
-    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
-    0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
-    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
-    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
-    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
-    0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
-    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
-    0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
-    0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
-    0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
-    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
-    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
-    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
-    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
-    /* bg = 1, fg = 0 */
-    0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
-    0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
-    0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8,
-    0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0,
-    0xdf, 0xde, 0xdd, 0xdc, 0xdb, 0xda, 0xd9, 0xd8,
-    0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xd0,
-    0xcf, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc8,
-    0xc7, 0xc6, 0xc5, 0xc4, 0xc3, 0xc2, 0xc1, 0xc0,
-    0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
-    0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0,
-    0xaf, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa8,
-    0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xa0,
-    0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98,
-    0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90,
-    0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88,
-    0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80,
-    0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78,
-    0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70,
-    0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68,
-    0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61, 0x60,
-    0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x58,
-    0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x50,
-    0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x48,
-    0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x40,
-    0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38,
-    0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30,
-    0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28,
-    0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20,
-    0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18,
-    0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
-    0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08,
-    0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
-    /* bg = fg = 1 */
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
-};
-
-void fbcon_afb_setup(struct display *p)
-{
-    if (p->line_length)
-	p->next_line = p->line_length;
-    else
-	p->next_line = p->var.xres_virtual>>3;
-    p->next_plane = p->var.yres_virtual*p->next_line;
-}
-
-void fbcon_afb_bmove(struct display *p, int sy, int sx, int dy, int dx,
-		     int height, int width)
-{
-    u8 *src, *dest, *src0, *dest0;
-    u_short i, j;
-
-    if (sx == 0 && dx == 0 && width == p->next_line) {
-	src = p->screen_base+sy*fontheight(p)*width;
-	dest = p->screen_base+dy*fontheight(p)*width;
-	i = p->var.bits_per_pixel;
-	do {
-	    fb_memmove(dest, src, height*fontheight(p)*width);
-	    src += p->next_plane;
-	    dest += p->next_plane;
-	} while (--i);
-    } else if (dy <= sy) {
-	src0 = p->screen_base+sy*fontheight(p)*p->next_line+sx;
-	dest0 = p->screen_base+dy*fontheight(p)*p->next_line+dx;
-	i = p->var.bits_per_pixel;
-	do {
-	    src = src0;
-	    dest = dest0;
-	    j = height*fontheight(p);
-	    do {
-	        fb_memmove(dest, src, width);
-	        src += p->next_line;
-	        dest += p->next_line;
-	    } while (--j);
-	    src0 += p->next_plane;
-	    dest0 += p->next_plane;
-	} while (--i);
-    } else {
-	src0 = p->screen_base+(sy+height)*fontheight(p)*p->next_line+sx;
-	dest0 = p->screen_base+(dy+height)*fontheight(p)*p->next_line+dx;
-	i = p->var.bits_per_pixel;
-	do {
-	    src = src0;
-	    dest = dest0;
-	    j = height*fontheight(p);
-	    do {
-	        src -= p->next_line;
-	        dest -= p->next_line;
-	        fb_memmove(dest, src, width);
-	    } while (--j);
-	    src0 += p->next_plane;
-	    dest0 += p->next_plane;
-	} while (--i);
-    }
-}
-
-void fbcon_afb_clear(struct vc_data *conp, struct display *p, int sy, int sx,
-		     int height, int width)
-{
-    u8 *dest, *dest0;
-    u_short i, j;
-    int bg;
-
-    dest0 = p->screen_base+sy*fontheight(p)*p->next_line+sx;
-
-    bg = attr_bgcol_ec(p,conp);
-    i = p->var.bits_per_pixel;
-    do {
-	dest = dest0;
-	j = height*fontheight(p);
-	do {
-	    if (bg & 1)
-	        fb_memset255(dest, width);
-	    else
-	        fb_memclear(dest, width);
-	    dest += p->next_line;
-	} while (--j);
-	bg >>= 1;
-	dest0 += p->next_plane;
-    } while (--i);
-}
-
-void fbcon_afb_putc(struct vc_data *conp, struct display *p, int c, int yy,
-		    int xx)
-{
-    u8 *dest, *dest0, *cdat, *cdat0, *expand;
-    u_short i, j;
-    int fg, bg;
-
-    dest0 = p->screen_base+yy*fontheight(p)*p->next_line+xx;
-    cdat0 = p->fontdata+(c&p->charmask)*fontheight(p);
-    fg = attr_fgcol(p,c);
-    bg = attr_bgcol(p,c);
-
-    i = p->var.bits_per_pixel;
-    do {
-	dest = dest0;
-	cdat = cdat0;
-	expand = expand_table;
-	if (bg & 1)
-	    expand += 512;
-	if (fg & 1)
-	    expand += 256;
-	j = fontheight(p);
-	do {
-	    *dest = expand[*cdat++];
-	    dest += p->next_line;
-	} while (--j);
-	bg >>= 1;
-	fg >>= 1;
-	dest0 += p->next_plane;
-    } while (--i);
-}
-
-    /*
-     *  I've split the console character loop in two parts
-     *  (cfr. fbcon_putcs_ilbm())
-     */
-
-void fbcon_afb_putcs(struct vc_data *conp, struct display *p, 
-		     const unsigned short *s, int count, int yy, int xx)
-{
-    u8 *dest, *dest0, *dest1, *expand;
-    u8 *cdat1, *cdat2, *cdat3, *cdat4, *cdat10, *cdat20, *cdat30, *cdat40;
-    u_short i, j;
-    u16 c1, c2, c3, c4;
-    int fg0, bg0, fg, bg;
-
-    dest0 = p->screen_base+yy*fontheight(p)*p->next_line+xx;
-    c1 = scr_readw(s);
-    fg0 = attr_fgcol(p, c1);
-    bg0 = attr_bgcol(p, c1);
-
-    while (count--)
-	if (xx&3 || count < 3) {	/* Slow version */
-	    c1 = scr_readw(s++) & p->charmask;
-	    dest1 = dest0++;
-	    xx++;
-
-	    cdat10 = p->fontdata+c1*fontheight(p);
-	    fg = fg0;
-	    bg = bg0;
-
-	    i = p->var.bits_per_pixel;
-	    do {
-	        dest = dest1;
-	        cdat1 = cdat10;
-		expand = expand_table;
-		if (bg & 1)
-		    expand += 512;
-		if (fg & 1)
-		    expand += 256;
-		j = fontheight(p);
-		do {
-		    *dest = expand[*cdat1++];
-		    dest += p->next_line;
-	        } while (--j);
-	        bg >>= 1;
-	        fg >>= 1;
-		dest1 += p->next_plane;
-	    } while (--i);
-	} else {			/* Fast version */
-	    c1 = scr_readw(&s[0]) & p->charmask;
-	    c2 = scr_readw(&s[1]) & p->charmask;
-	    c3 = scr_readw(&s[2]) & p->charmask;
-	    c4 = scr_readw(&s[3]) & p->charmask;
-
-	    dest1 = dest0;
-	    cdat10 = p->fontdata+c1*fontheight(p);
-	    cdat20 = p->fontdata+c2*fontheight(p);
-	    cdat30 = p->fontdata+c3*fontheight(p);
-	    cdat40 = p->fontdata+c4*fontheight(p);
-	    fg = fg0;
-	    bg = bg0;
-
-	    i = p->var.bits_per_pixel;
-	    do {
-	        dest = dest1;
-	        cdat1 = cdat10;
-	        cdat2 = cdat20;
-	        cdat3 = cdat30;
-	        cdat4 = cdat40;
-		expand = expand_table;
-		if (bg & 1)
-		    expand += 512;
-		if (fg & 1)
-		    expand += 256;
-		j = fontheight(p);
-	        do {
-#if defined(__BIG_ENDIAN)
-		    *(u32 *)dest = expand[*cdat1++]<<24 |
-				   expand[*cdat2++]<<16 |
-				   expand[*cdat3++]<<8 |
-				   expand[*cdat4++];
-#elif defined(__LITTLE_ENDIAN)
-		    *(u32 *)dest = expand[*cdat1++] |
-				   expand[*cdat2++]<<8 |
-				   expand[*cdat3++]<<16 |
-				   expand[*cdat4++]<<24;
-#else
-#error FIXME: No endianness??
-#endif
-		    dest += p->next_line;
-	        } while (--j);
-	        bg >>= 1;
-	        fg >>= 1;
-		dest1 += p->next_plane;
-	    } while (--i);
-	    s += 4;
-	    dest0 += 4;
-	    xx += 4;
-	    count -= 3;
-	}
-}
-
-void fbcon_afb_revc(struct display *p, int xx, int yy)
-{
-    u8 *dest, *dest0;
-    u_short i, j;
-    int mask;
-
-    dest0 = p->screen_base+yy*fontheight(p)*p->next_line+xx;
-    mask = p->fgcol ^ p->bgcol;
-
-    /*
-     *  This should really obey the individual character's
-     *  background and foreground colors instead of simply
-     *  inverting.
-     */
-
-    i = p->var.bits_per_pixel;
-    do {
-	if (mask & 1) {
-	    dest = dest0;
-	    j = fontheight(p);
-	    do {
-	        *dest = ~*dest;
-		dest += p->next_line;
-	    } while (--j);
-	}
-	mask >>= 1;
-	dest0 += p->next_plane;
-    } while (--i);
-}
-
-
-    /*
-     *  `switch' for the low level operations
-     */
-
-struct display_switch fbcon_afb = {
-    setup:		fbcon_afb_setup,
-    bmove:		fbcon_afb_bmove,
-    clear:		fbcon_afb_clear,
-    putc:		fbcon_afb_putc,
-    putcs:		fbcon_afb_putcs,
-    revc:		fbcon_afb_revc,
-    fontwidthmask:	FONTWIDTH(8)
-};
-
-
-#ifdef MODULE
-MODULE_LICENSE("GPL");
-
-int init_module(void)
-{
-    return 0;
-}
-
-void cleanup_module(void)
-{}
-#endif /* MODULE */
-
-
-    /*
-     *  Visible symbols for modules
-     */
-
-EXPORT_SYMBOL(fbcon_afb);
-EXPORT_SYMBOL(fbcon_afb_setup);
-EXPORT_SYMBOL(fbcon_afb_bmove);
-EXPORT_SYMBOL(fbcon_afb_clear);
-EXPORT_SYMBOL(fbcon_afb_putc);
-EXPORT_SYMBOL(fbcon_afb_putcs);
-EXPORT_SYMBOL(fbcon_afb_revc);
+/*
+ *  linux/drivers/video/afb.c -- Low level frame buffer operations for
+ *				 bitplanes à la Amiga
+ *
+ *	Created 5 Apr 1997 by Geert Uytterhoeven
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License.  See the file COPYING in the main directory of this archive for
+ *  more details.
+ */
+
+#include <linux/module.h>
+#include <linux/tty.h>
+#include <linux/console.h>
+#include <linux/string.h>
+#include <linux/fb.h>
+
+#include <video/fbcon.h>
+#include <video/fbcon-afb.h>
+
+
+    /*
+     *  Bitplanes à la Amiga
+     */
+
+static u8 expand_table[1024] = {
+    /*  bg = fg = 0 */
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    /* bg = 0, fg = 1 */
+    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+    0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+    0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+    0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+    0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+    0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+    0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+    0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+    0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
+    0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+    0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+    0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+    0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+    0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+    0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+    0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+    0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+    0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+    0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+    0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+    0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
+    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
+    0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+    0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+    /* bg = 1, fg = 0 */
+    0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8,
+    0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
+    0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8,
+    0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0,
+    0xdf, 0xde, 0xdd, 0xdc, 0xdb, 0xda, 0xd9, 0xd8,
+    0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xd0,
+    0xcf, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc8,
+    0xc7, 0xc6, 0xc5, 0xc4, 0xc3, 0xc2, 0xc1, 0xc0,
+    0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8,
+    0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0,
+    0xaf, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa8,
+    0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xa0,
+    0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98,
+    0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90,
+    0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88,
+    0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80,
+    0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78,
+    0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70,
+    0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68,
+    0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61, 0x60,
+    0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x58,
+    0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x50,
+    0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x48,
+    0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x40,
+    0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38,
+    0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30,
+    0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28,
+    0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20,
+    0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18,
+    0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
+    0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08,
+    0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
+    /* bg = fg = 1 */
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+void fbcon_afb_setup(struct display *p)
+{
+    if (p->line_length)
+	p->next_line = p->line_length;
+    else
+	p->next_line = p->var.xres_virtual>>3;
+    p->next_plane = p->var.yres_virtual*p->next_line;
+}
+
+void fbcon_afb_bmove(struct display *p, int sy, int sx, int dy, int dx,
+		     int height, int width)
+{
+    u8 *src, *dest, *src0, *dest0;
+    u_short i, j;
+
+    if (sx == 0 && dx == 0 && width == p->next_line) {
+	src = p->screen_base+sy*fontheight(p)*width;
+	dest = p->screen_base+dy*fontheight(p)*width;
+	i = p->var.bits_per_pixel;
+	do {
+	    fb_memmove(dest, src, height*fontheight(p)*width);
+	    src += p->next_plane;
+	    dest += p->next_plane;
+	} while (--i);
+    } else if (dy <= sy) {
+	src0 = p->screen_base+sy*fontheight(p)*p->next_line+sx;
+	dest0 = p->screen_base+dy*fontheight(p)*p->next_line+dx;
+	i = p->var.bits_per_pixel;
+	do {
+	    src = src0;
+	    dest = dest0;
+	    j = height*fontheight(p);
+	    do {
+	        fb_memmove(dest, src, width);
+	        src += p->next_line;
+	        dest += p->next_line;
+	    } while (--j);
+	    src0 += p->next_plane;
+	    dest0 += p->next_plane;
+	} while (--i);
+    } else {
+	src0 = p->screen_base+(sy+height)*fontheight(p)*p->next_line+sx;
+	dest0 = p->screen_base+(dy+height)*fontheight(p)*p->next_line+dx;
+	i = p->var.bits_per_pixel;
+	do {
+	    src = src0;
+	    dest = dest0;
+	    j = height*fontheight(p);
+	    do {
+	        src -= p->next_line;
+	        dest -= p->next_line;
+	        fb_memmove(dest, src, width);
+	    } while (--j);
+	    src0 += p->next_plane;
+	    dest0 += p->next_plane;
+	} while (--i);
+    }
+}
+
+void fbcon_afb_clear(struct vc_data *conp, struct display *p, int sy, int sx,
+		     int height, int width)
+{
+    u8 *dest, *dest0;
+    u_short i, j;
+    int bg;
+
+    dest0 = p->screen_base+sy*fontheight(p)*p->next_line+sx;
+
+    bg = attr_bgcol_ec(p,conp);
+    i = p->var.bits_per_pixel;
+    do {
+	dest = dest0;
+	j = height*fontheight(p);
+	do {
+	    if (bg & 1)
+	        fb_memset255(dest, width);
+	    else
+	        fb_memclear(dest, width);
+	    dest += p->next_line;
+	} while (--j);
+	bg >>= 1;
+	dest0 += p->next_plane;
+    } while (--i);
+}
+
+void fbcon_afb_putc(struct vc_data *conp, struct display *p, int c, int yy,
+		    int xx)
+{
+    u8 *dest, *dest0, *cdat, *cdat0, *expand;
+    u_short i, j;
+    int fg, bg;
+
+    dest0 = p->screen_base+yy*fontheight(p)*p->next_line+xx;
+    cdat0 = p->fontdata+(c&p->charmask)*fontheight(p);
+    fg = attr_fgcol(p,c);
+    bg = attr_bgcol(p,c);
+
+    i = p->var.bits_per_pixel;
+    do {
+	dest = dest0;
+	cdat = cdat0;
+	expand = expand_table;
+	if (bg & 1)
+	    expand += 512;
+	if (fg & 1)
+	    expand += 256;
+	j = fontheight(p);
+	do {
+	    *dest = expand[*cdat++];
+	    dest += p->next_line;
+	} while (--j);
+	bg >>= 1;
+	fg >>= 1;
+	dest0 += p->next_plane;
+    } while (--i);
+}
+
+    /*
+     *  I've split the console character loop in two parts
+     *  (cfr. fbcon_putcs_ilbm())
+     */
+
+void fbcon_afb_putcs(struct vc_data *conp, struct display *p, 
+		     const unsigned short *s, int count, int yy, int xx)
+{
+    u8 *dest, *dest0, *dest1, *expand;
+    u8 *cdat1, *cdat2, *cdat3, *cdat4, *cdat10, *cdat20, *cdat30, *cdat40;
+    u_short i, j;
+    u16 c1, c2, c3, c4;
+    int fg0, bg0, fg, bg;
+
+    dest0 = p->screen_base+yy*fontheight(p)*p->next_line+xx;
+    c1 = scr_readw(s);
+    fg0 = attr_fgcol(p, c1);
+    bg0 = attr_bgcol(p, c1);
+
+    while (count--)
+	if (xx&3 || count < 3) {	/* Slow version */
+	    c1 = scr_readw(s++) & p->charmask;
+	    dest1 = dest0++;
+	    xx++;
+
+	    cdat10 = p->fontdata+c1*fontheight(p);
+	    fg = fg0;
+	    bg = bg0;
+
+	    i = p->var.bits_per_pixel;
+	    do {
+	        dest = dest1;
+	        cdat1 = cdat10;
+		expand = expand_table;
+		if (bg & 1)
+		    expand += 512;
+		if (fg & 1)
+		    expand += 256;
+		j = fontheight(p);
+		do {
+		    *dest = expand[*cdat1++];
+		    dest += p->next_line;
+	        } while (--j);
+	        bg >>= 1;
+	        fg >>= 1;
+		dest1 += p->next_plane;
+	    } while (--i);
+	} else {			/* Fast version */
+	    c1 = scr_readw(&s[0]) & p->charmask;
+	    c2 = scr_readw(&s[1]) & p->charmask;
+	    c3 = scr_readw(&s[2]) & p->charmask;
+	    c4 = scr_readw(&s[3]) & p->charmask;
+
+	    dest1 = dest0;
+	    cdat10 = p->fontdata+c1*fontheight(p);
+	    cdat20 = p->fontdata+c2*fontheight(p);
+	    cdat30 = p->fontdata+c3*fontheight(p);
+	    cdat40 = p->fontdata+c4*fontheight(p);
+	    fg = fg0;
+	    bg = bg0;
+
+	    i = p->var.bits_per_pixel;
+	    do {
+	        dest = dest1;
+	        cdat1 = cdat10;
+	        cdat2 = cdat20;
+	        cdat3 = cdat30;
+	        cdat4 = cdat40;
+		expand = expand_table;
+		if (bg & 1)
+		    expand += 512;
+		if (fg & 1)
+		    expand += 256;
+		j = fontheight(p);
+	        do {
+#if defined(__BIG_ENDIAN)
+		    *(u32 *)dest = expand[*cdat1++]<<24 |
+				   expand[*cdat2++]<<16 |
+				   expand[*cdat3++]<<8 |
+				   expand[*cdat4++];
+#elif defined(__LITTLE_ENDIAN)
+		    *(u32 *)dest = expand[*cdat1++] |
+				   expand[*cdat2++]<<8 |
+				   expand[*cdat3++]<<16 |
+				   expand[*cdat4++]<<24;
+#else
+#error FIXME: No endianness??
+#endif
+		    dest += p->next_line;
+	        } while (--j);
+	        bg >>= 1;
+	        fg >>= 1;
+		dest1 += p->next_plane;
+	    } while (--i);
+	    s += 4;
+	    dest0 += 4;
+	    xx += 4;
+	    count -= 3;
+	}
+}
+
+void fbcon_afb_revc(struct display *p, int xx, int yy)
+{
+    u8 *dest, *dest0;
+    u_short i, j;
+    int mask;
+
+    dest0 = p->screen_base+yy*fontheight(p)*p->next_line+xx;
+    mask = p->fgcol ^ p->bgcol;
+
+    /*
+     *  This should really obey the individual character's
+     *  background and foreground colors instead of simply
+     *  inverting.
+     */
+
+    i = p->var.bits_per_pixel;
+    do {
+	if (mask & 1) {
+	    dest = dest0;
+	    j = fontheight(p);
+	    do {
+	        *dest = ~*dest;
+		dest += p->next_line;
+	    } while (--j);
+	}
+	mask >>= 1;
+	dest0 += p->next_plane;
+    } while (--i);
+}
+
+
+    /*
+     *  `switch' for the low level operations
+     */
+
+struct display_switch fbcon_afb = {
+    setup:		fbcon_afb_setup,
+    bmove:		fbcon_afb_bmove,
+    clear:		fbcon_afb_clear,
+    putc:		fbcon_afb_putc,
+    putcs:		fbcon_afb_putcs,
+    revc:		fbcon_afb_revc,
+    fontwidthmask:	FONTWIDTH(8)
+};
+
+
+#ifdef MODULE
+MODULE_LICENSE("GPL");
+
+int init_module(void)
+{
+    return 0;
+}
+
+void cleanup_module(void)
+{}
+#endif /* MODULE */
+
+
+    /*
+     *  Visible symbols for modules
+     */
+
+EXPORT_SYMBOL(fbcon_afb);
+EXPORT_SYMBOL(fbcon_afb_setup);
+EXPORT_SYMBOL(fbcon_afb_bmove);
+EXPORT_SYMBOL(fbcon_afb_clear);
+EXPORT_SYMBOL(fbcon_afb_putc);
+EXPORT_SYMBOL(fbcon_afb_putcs);
+EXPORT_SYMBOL(fbcon_afb_revc);