patch-2.1.115 linux/drivers/sbus/char/sbuscons.c

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diff -u --recursive --new-file v2.1.114/linux/drivers/sbus/char/sbuscons.c linux/drivers/sbus/char/sbuscons.c
@@ -1,1686 +0,0 @@
-/* $Id: sbuscons.c,v 1.17 1998/04/24 12:29:54 davem Exp $
- * sbuscons.c: Routines specific to SBUS frame buffer consoles.
- *
- * Copyright (C) 1995 Peter Zaitcev (zaitcev@lab.ipmce.su)
- * Copyright (C) 1995,1996,1997 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1995, 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
- * Copyright (C) 1996 Dave Redman (djhr@tadpole.co.uk)
- * Copyright (C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
- *
- * Added font loading Nov/21, Miguel de Icaza (miguel@nuclecu.unam.mx)
- * Added render_screen and faster scrolling Nov/27, miguel
- * Added console palette code for cg6 Dec/13/95, miguel
- * Added generic frame buffer support Dec/14/95, miguel
- * Added cgsix and bwtwo drivers Jan/96, miguel
- * Added 4m, and cg3 driver Feb/96, miguel
- * Fixed the cursor on color displays Feb/96, miguel.
- * Cleaned up the detection code, generic 8bit depth display 
- *   code, Mar/96 miguel
- * Hacked support for cg14 video cards -- Apr/96, miguel.
- * Color support for cg14 video cards -- May/96, miguel.
- * Code split, Dave Redman, May/96
- * Be more VT change friendly, May/96, miguel.
- * Support for hw cursor and graphics acceleration, Jun/96, jj.
- * Added TurboGX+ detection (cgthree+), Aug/96, Iain Lea (iain@sbs.de)
- * Added TCX support (8/24bit), Aug/96, jj.
- * Support for multiple framebuffers, Sep/96, jj.
- * Fix bwtwo inversion and handle inverse monochrome cells in
- *   sun_blitc, Nov/96, ecd.
- * Fix sun_blitc and screen size on displays other than 1152x900, 
- *   128x54 chars, Nov/96, jj.
- * Fix cursor spots left on some non-accelerated fbs, changed
- *   software cursor to be like the hw one, Nov/96, jj.
- * 
- * Much of this driver is derived from the DEC TGA driver by
- * Jay Estabrook who has done a nice job with the console
- * driver abstraction btw.
- *
- * We try to make everything a power of two if possible to
- * speed up the bit blit.  Doing multiplies, divides, and
- * remainder routines end up calling software library routines
- * since not all Sparcs have the hardware to do it.
- *
- * TODO:
- * do not blank the screen when frame buffer is mapped.
- *
- */
-
-#include <linux/config.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/kd.h>
-#include <linux/malloc.h>
-#include <linux/major.h>
-#include <linux/mm.h>
-#include <linux/types.h>
-#include <linux/version.h>
-#include <linux/proc_fs.h>
-
-#include <asm/system.h>
-#include <asm/uaccess.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/bitops.h>
-#include <asm/oplib.h>
-#include <asm/sbus.h>
-#include <asm/fbio.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#ifndef __sparc_v9__
-#include <asm/sun4paddr.h>
-#endif
-
-#include <linux/kbd_kern.h>
-#include <linux/vt_kern.h>
-#include <linux/consolemap.h>
-#include <linux/selection.h>
-#include <linux/console_struct.h>
-
-#include "fb.h"
-
-#define cmapsz 8192
-
-#include "suncons_font.h"
-
-#define ASM_BLITC
-
-int sbus_hw_cursor_shown = 0;
-
-void sbus_hw_hide_cursor(void);
-void sbus_hw_set_cursor(int,int);
-
-static int sbus_blitc(uint, unsigned long);
-
-static void sbus_install_consops(void);
-
-extern void console_print(const char *);
-extern void putconsxy(int, char *);
-extern unsigned char vga_font[];
-extern int serial_console;
-extern char *console_fb_path;
-
-/* The following variables describe a Sparc console. */
-
-/* Screen dimensions and color depth. */
-static int con_depth, con_width, con_height, con_type;
-
-/* Base address of first line. */
-static unsigned char *con_fb_base;
-
-/* Screen parameters: we compute those at startup to make the code faster */
-static int chars_per_line;	/* number of bytes per line */
-static int ints_per_line;	/* number of ints per  line */
-static int ints_per_cursor;  	/* 14 * ints_per_line */
-static int skip_bytes;		/* number of bytes we skip for the y margin + x_margin */
-static int x_margin, y_margin;	/* the x and y margins */
-static int bytes_per_row;	/* bytes used by one screen line (of 16 scan lines)  */
-int sun_prom_console_id = 0;
-
-/* Functions used by the SPARC dependent console code
- * to perform the fb_restore_palette function.
- */
-extern void (*fb_restore_palette)(fbinfo_t *fbinfo);
-static void sbus_set_palette (void);
-
- /* Our screen looks like at 1152 X 900:
- *
- *  0,0
- *      ------------------------------------------------------------------
- *      |                          ^^^^^^^^^^^                           |
- *      |                          18 y-pixels                           |
- *      |                          ^^^^^^^^^^^                           |
- *   13 | <-64 pixels->|  <-- 128 8x16 characters -->    | <-64 pixels-> |
- *    ....
- *                         54 chars from top to bottom
- *    ....
- *  888 | <-64 pixels->|  <-- 128 8x16 characters -->    | <-64 pixels-> |
- *      |                          ^^^^^^^^^^^                           |
- *      |                          18 y-pixels                           |
- *      |                          ^^^^^^^^^^^                           |
- *      ------------------------------------------------------------------
- */
-/* First for MONO displays. */
-#define SCREEN_WIDTH     1152     /* Screen width in pixels  */
-#define SCREEN_HEIGHT    900      /* Screen height in pixels */
-#define CHARS_PER_LINE   144      /* Make this empirical for speed */
-#define NICE_Y_MARGIN    18       /* We skip 18 y-pixels at top/bottom */
-#define NICE_X_MARGIN    8        /* We skip 64 x-pixels at left/right */
-#define FBUF_TOP_SKIP    2592     /* Empirical, (CHARS_PER_LINE * NICE_Y_MARGIN) */
-#define CHAR_HEIGHT      16
-#define ONE_ROW          2304     /* CHARS_PER_LINE * CHAR_HEIGHT */
-
-/* Now we have this, to compute the base frame buffer position
- * for a new character to be rendered. 1 and 8 bit depth.
- */
-#define FBUF_OFFSET(cindex) \
-        (((FBUF_TOP_SKIP) + (((cindex)>>7) * ONE_ROW)) + \
-	 ((NICE_X_MARGIN) + (((cindex)&127))))
-
-
-#define COLOR_FBUF_OFFSET(cindex) (*color_fbuf_offset)(cindex)
-
-/* These four routines are optimizations for the _generic routine for
- * the most common cases.
- * I guess doing twice sll is much faster than doing .mul, sra faster
- * than doing .div, and the disadvantage that someone has to call it
- * (it cannot be inline) runs away, 'cause otherwise it would have to
- * call .mul anyway. 
- * The shifting + addition only routines won't eat any stack frame :))
- * Names come from width, screen_num_columns.
- */
-static int color_fbuf_offset_1280_144 (int cindex)
-{
-	register int i = (cindex/144);
-	/* (1280 * CHAR_HEIGHT) == 101.0000.0000.0000 */
-	return skip_bytes + (i << 14) + (i << 12) + ((cindex % 144) << 3);
-}
-
-static int color_fbuf_offset_1152_128 (int cindex)
-{
-	register int i = (cindex>>7);
-	/* (1152 * CHAR_HEIGHT) == 100.1000.0000.0000 */
-	return skip_bytes + (i << 14) + (i << 11) + ((cindex & 127) << 3);
-}
-
-static int color_fbuf_offset_1024_128 (int cindex)
-{
-	register int i = (cindex>>7);
-	/* (1024 * CHAR_HEIGHT) == 100.0000.0000.0000 */
-	return skip_bytes + (i << 14) + ((cindex & 127) << 3);
-}
-
-static int color_fbuf_offset_800_96 (int cindex)
-{
-	register int i = (cindex / 96);
-	/* (800 * CHAR_HEIGHT) == 11.0010.0000.0000 */
-	return skip_bytes + (i<<13) + (i<<12) + (i<<9) + ((cindex % 96)<<3);
-}
-
-static int color_fbuf_offset_640_80 (int cindex)
-{
-	register int i = (cindex/80);
-	/* (640 * CHAR_HEIGHT) == 10.1000.0000.0000 */
-	return skip_bytes + (i << 13) + (i << 11) + ((cindex % 80) << 3);
-}
-	 
-static int color_fbuf_offset_generic (int cindex)
-{
-	return skip_bytes + (cindex / video_num_columns) * bytes_per_row + ((cindex % video_num_columns) << 3);
-}
-
-static int (*color_fbuf_offset)(int) = color_fbuf_offset_generic;
-	 
-static int do_accel = 0;
-
-/* For the cursor, we just invert the 8x16 block at the cursor
- * location.  Easy enough...
- *
- * Hide the cursor from view, during blanking, usually...
- */
-static int cursor_pos = -1;
-
-static unsigned int under_cursor[4];
-
-static void sbus_hide_cursor(void)
-{
-	unsigned long flags;
-	int j;
-
-	if (fbinfo[0].setcursor) {
-		sbus_hw_hide_cursor();
-		return;
-	}
-	
-	if (vt_cons[fg_console]->vc_mode == KD_GRAPHICS)
-		return; /* Don't paint anything on fb which is not ours,
-			   but turn off the hw cursor in such case */
-	
-	__save_and_cli(flags);
-
-	if(cursor_pos == -1) {
-		__restore_flags (flags);
-		return;
-	}
-	switch (con_depth){
-	case 1: {
-		unsigned char *dst;
-		dst = (unsigned char *)((unsigned long)con_fb_base +
-					FBUF_OFFSET(cursor_pos));
-		for(j = 0; j < CHAR_HEIGHT; j++, dst += CHARS_PER_LINE)
-			*dst = ~(*dst);
-		break;
-	}
-	case 8: {
-		unsigned int *dst;
-		
-		dst = (unsigned int *)((unsigned long)con_fb_base +
-					COLOR_FBUF_OFFSET(cursor_pos)) + ints_per_cursor;
-		dst[0] = under_cursor[0];
-		dst[1] = under_cursor[1];
-		dst[ints_per_line] = under_cursor[2];
-		dst[ints_per_line+1] = under_cursor[3];
-		break;
-	}
-	default:
-		break;
-	}
-	cursor_pos = -1;
-	__restore_flags(flags);
-}
-
-static void sbus_set_cursor(int currcons)
-{
-	int j, idx, oldpos;
-	unsigned long flags;
-
-	if (currcons != fg_console || console_blanked || 
-	    vt_cons[currcons]->vc_mode == KD_GRAPHICS)
-		return;
-
-	if (fbinfo[0].setcursor) {
-		if (!vc_cons[currcons].d->vc_deccm)
-			sbus_hide_cursor();
-		else {
-			idx = (vc_cons[currcons].d->vc_pos - video_mem_base) >> 1;
-			
-			sbus_hw_set_cursor(x_margin + ((idx % video_num_columns) << 3), y_margin + ((idx / video_num_columns) * CHAR_HEIGHT));
-		}
-		return;
-	}
-
-	__save_and_cli(flags);
-
-	idx = (vc_cons[currcons].d->vc_pos - video_mem_base) >> 1;
-	oldpos = cursor_pos;
-	if (!vc_cons[currcons].d->vc_deccm) {
-		sbus_hide_cursor ();
-		__restore_flags (flags);
-		return;
-	}
-	cursor_pos = idx;
-	switch (con_depth){
-	case 1: {
-		unsigned char *dst, *opos;
-		
-		dst = (unsigned char *)((unsigned long)con_fb_base + FBUF_OFFSET(idx));
-		opos = (unsigned char *)((unsigned long)con_fb_base + FBUF_OFFSET(oldpos));
-		if(oldpos != -1) {
-			/* Restore what was at the old position */
-			for(j=0; j < CHAR_HEIGHT; j++, opos += CHARS_PER_LINE) {
-				*opos = ~*opos;
-			}
-		}
-		for(j=0; j < 16; j++, dst+=CHARS_PER_LINE) {
-			*dst = ~*dst;
-		}
-		break;
-	}
-	case 8: {
-		unsigned int *dst, *opos;
-		dst = (unsigned int *)((unsigned long)con_fb_base + COLOR_FBUF_OFFSET(idx)) + ints_per_cursor;
-			
-		if(oldpos != -1) {
-			opos = (unsigned int *)((unsigned long)con_fb_base + COLOR_FBUF_OFFSET(oldpos)) + ints_per_cursor;
-			opos[0] = under_cursor[0];
-			opos[1] = under_cursor[1];
-			opos[ints_per_line] = under_cursor[2];
-			opos[ints_per_line+1] = under_cursor[3];
-		}
-		under_cursor[0] = dst[0];
-		under_cursor[1] = dst[1];
-		under_cursor[2] = dst[ints_per_line];
-		under_cursor[3] = dst[ints_per_line+1];
-		dst[0] = 0x00000000;
-		dst[1] = 0x00000000;
-		dst[ints_per_line] = 0x00000000;
-		dst[ints_per_line+1] = 0x00000000;
-		break;
-	}
-	default:
-	}
-	__restore_flags(flags);
-}
-
-/*
- * Render the current screen
- * Only used at startup and when switching from KD_GRAPHICS to KD_TEXT
- * to avoid the caching that is being done in selection.h
- */
-
-static void sbus_render_screen(void)
-{
-    int count;
-    unsigned short *contents;
-
-    count = video_num_columns * video_num_lines;
-    contents = (unsigned short *) video_mem_base;
-
-    for (;count--; contents++)
-	sbus_blitc (*contents, (unsigned long) contents);
-}
-
-__initfunc(static void sbus_con_type_init(const char **display_desc))
-{
-        can_do_color = (con_type != FBTYPE_SUN2BW);
-
-        video_type = VIDEO_TYPE_SUN;
-        *display_desc = "SUN";
-
-	if (!serial_console) {
-		/* If we fall back to PROM then our output have to remain readable. */
-		prom_putchar('\033');  prom_putchar('[');  prom_putchar('H');
-
-		/*
-		 * fake the screen memory with some CPU memory
-		 */
-		video_mem_base = (unsigned long)kmalloc(video_screen_size, GFP_ATOMIC);
-		video_mem_term = (video_mem_base + video_screen_size);
-	}
-}
-
-__initfunc(static void sbus_con_type_init_finish(void))
-{
-	int i, cpu;
-	char *p = con_fb_base + skip_bytes;
-	char q[2] = {0,5};
-	int currcons = 0;
-	unsigned short *ush;
-	int ncpus;
-
-	if (serial_console)
-		return;
-	ncpus = linux_num_cpus;
-	if (ncpus > 4) ncpus = 4;
-	if (fbinfo[0].draw_penguin) {
-		(*fbinfo[0].draw_penguin)(x_margin, y_margin, ncpus);
-	} else if (con_depth == 8 && fbinfo[0].loadcmap) {
-		for (i = 0; i < linux_logo_colors; i++) {
-			fbinfo[0].color_map CM(i+32,0) = linux_logo_red [i];
-			fbinfo[0].color_map CM(i+32,1) = linux_logo_green [i];
-			fbinfo[0].color_map CM(i+32,2) = linux_logo_blue [i];
-		}
-		(*fbinfo [0].loadcmap)(&fbinfo [0], 0, linux_logo_colors + 32);
-		for (i = 0; i < 80; i++, p += chars_per_line){
-		        for (cpu = 0; cpu < ncpus; cpu++){
-				memcpy (p + (cpu * 88), linux_logo + 80 * i, 80);
-			}
-		}
-	} else if (con_depth == 1) {
-		for (i = 0; i < 80; i++, p += chars_per_line)
-			memcpy (p, linux_logo_bw + 10 * i, 10);
-	}
-	putconsxy(0, q);
-	ush = (unsigned short *) video_mem_base + video_num_columns * 2 + 20 + 11 * (ncpus - 1);
-
-	p = logo_banner;
-	for (; *p; p++, ush++) {
-		*ush = (vc_cons[currcons].d->vc_attr << 8) + *p;
-		sbus_blitc (*ush, (unsigned long) ush);
-	}
-	for (i = 0; i < 5; i++) {
-		ush = (unsigned short *) video_mem_base + i * video_num_columns;
-		memset (ush, 0, 20);
-	}
-}
-
-/*
- * NOTE: get_scrmem() and set_scrmem() are here only because
- * the VGA version of set_scrmem() has some direct VGA references.
- */
-static void sbus_get_scrmem(int currcons)
-{
-	struct vc_data *vcd = vc_cons[currcons].d;
-	
-	memcpyw((unsigned short *)vc_scrbuf[currcons],
-		(unsigned short *)vcd->vc_origin, 
-		video_screen_size);
-	vcd->vc_origin = vcd->vc_video_mem_start = 
-		(unsigned long)vc_scrbuf[currcons];
-	vcd->vc_scr_end = vcd->vc_video_mem_end = 
-		vcd->vc_video_mem_start + video_screen_size;
-	vcd->vc_pos = 
-		vcd->vc_origin + vcd->vc_y*video_size_row + (vcd->vc_x<<1);
-}
-
-static void sbus_set_scrmem(int currcons, long offset)
-{
-	struct vc_data *vcd = vc_cons[currcons].d;
-	
-	if (video_mem_term - video_mem_base < offset + video_screen_size)
-		offset = 0;
-	memcpyw((unsigned short *)(video_mem_base + offset),
-		(unsigned short *) vcd->vc_origin, 
-		video_screen_size);
-	vcd->vc_video_mem_start = video_mem_base;
-	vcd->vc_video_mem_end = video_mem_term;
-	vcd->vc_origin = video_mem_base + offset;
-	vcd->vc_scr_end = vcd->vc_origin + video_screen_size;
-	vcd->vc_pos = 
-		vcd->vc_origin + vcd->vc_y*video_size_row + (vcd->vc_x<<1);
-}
-
-/*
- * PIO_FONT support.
- */
-static int sbus_set_get_font(char * arg, int set, int ch512)
-{
-	int i, line;
-
-	if (!arg)
-		return -EINVAL;
-
-	/* download the current font */
-	if (!set){
-		if(clear_user(arg, cmapsz))
-			return -EFAULT;
-		for (i = 0; i < 256; i++) {
-			for (line = 0; line < CHAR_HEIGHT; line++) {
-				unsigned char value = vga_font[i];
-
-				/* Access checked by the above clear_user */
-				__put_user_ret (value, (arg + (i * 32 + line)),
-						-EFAULT);
-			}
-		}
-		return 0;
-	}
-	
-        /* set the font */
-        
-        if (verify_area (VERIFY_READ, arg, 256 * CHAR_HEIGHT)) return -EFAULT;
-	for (i = 0; i < 256; i++) {
-		for (line = 0; line < CHAR_HEIGHT; line++){
-			unsigned char value;
-			__get_user_ret(value, (arg + (i * 32 + line)),-EFAULT);
-			vga_font [i*CHAR_HEIGHT + line] = value;
-		}
-	}
-	return 0;
-}
-
-/*
- * Adjust the screen to fit a font of a certain height
- *
- * Returns < 0 for error, 0 if nothing changed, and the number
- * of lines on the adjusted console if changed.
- *
- * for now, we only support the built-in font...
- */
-static int sbus_con_adjust_height(unsigned long fontheight)
-{
-	return -EINVAL;
-}
-
-static int sbus_set_get_cmap(unsigned char * arg, int set)
-{
-	int i;
-
-	if(set)
-		i = VERIFY_READ;
-	else
-		i = VERIFY_WRITE;
-	if(verify_area(i, arg, (16 * 3 * sizeof(unsigned char))))
-		return -EFAULT;
-	for (i=0; i<16; i++) {
-		if (set) {
-			__get_user_ret(default_red[i], (arg+0),-EFAULT);
-			__get_user_ret(default_grn[i], (arg+1),-EFAULT);
-			__get_user_ret(default_blu[i], (arg+2),-EFAULT);
-		} else {
-			__put_user_ret(default_red[i], (arg+0),-EFAULT);
-			__put_user_ret(default_grn[i], (arg+1),-EFAULT);
-			__put_user_ret(default_blu[i], (arg+2),-EFAULT);
-		}
-		arg += 3;
-	}
-	if (set) {
-		for (i=0; i<MAX_NR_CONSOLES; i++)
-			if (vc_cons_allocated(i)) {
-				int j, k ;
-				for (j=k=0; j<16; j++) {
-					vc_cons[i].d->vc_palette[k++] = default_red[j];
-					vc_cons[i].d->vc_palette[k++] = default_grn[j];
-					vc_cons[i].d->vc_palette[k++] = default_blu[j];
-				}
-			}
-		sbus_set_palette();
-	}
-
-	return 0;
-}
-
-#ifdef CONFIG_SUN4
-extern __inline__ void memset_screen(void *s, unsigned c, size_t n)
-{
-	unsigned *p = (unsigned *)s;
-	int i;
-	
-	for (i = n / 4; i > 0; i--)
-		*p++ = c;
-}
-#else
-#define memset_screen memset
-#endif
-
-void sbus_clear_screen(void)
-{
-	if (fbinfo[0].fill) {
-		int rects [4];
-		
-		rects [0] = 0;
-		rects [1] = 0;
-		rects [2] = con_width;
-		rects [3] = con_height;
-		(*fbinfo[0].fill)(reverse_color_table[0], 1, rects);
-	} else if (fbinfo[0].base && fbinfo[0].base_depth)
-		memset_screen(con_fb_base,
-			(con_depth == 1) ? ~(0) : reverse_color_table[0],
-			(con_depth * con_height * con_width) / 8);
-	/* also clear out the "shadow" screen memory */
-	memset((char *)video_mem_base, 0, (video_mem_term - video_mem_base));
-	cursor_pos = -1;
-}
-
-static void sbus_clear_fb(int n)
-{
-	if (!n) {
-		sbus_clear_screen ();
-	} else if (fbinfo[n].base && fbinfo[n].base_depth) {
-		memset((void *)fbinfo[n].base,
-		       (fbinfo[n].base_depth == 1) ?
-			~(0) : reverse_color_table[0],
-		       (fbinfo[n].base_depth * fbinfo[n].type.fb_height
-					     * fbinfo[n].type.fb_width) / 8);
-	}
-}
-
-static void sbus_clear_margin(void)
-{
-	int h, he, i;
-	unsigned char *p;
-
-	if (fbinfo[0].fill) {
-		int rects [16];
-
-		rects [0] = 0;
-		rects [1] = 0;
-		rects [2] = con_width;
-		rects [3] = y_margin;
-		rects [4] = 0;
-		rects [5] = y_margin;
-		rects [6] = x_margin;
-		rects [7] = con_height;
-		rects [8] = con_width - x_margin;
-		rects [9] = y_margin;
-		rects [10] = con_width;
-		rects [11] = con_height;
-		rects [12] = x_margin;
-		rects [13] = con_height - y_margin;
-		rects [14] = con_width - x_margin;
-		rects [15] = con_height;
-		(*fbinfo[0].fill)(reverse_color_table[0], 4, rects);
-	} else {
-		memset (con_fb_base, 
-			(con_depth == 1) ? ~(0) : reverse_color_table[0],
-			skip_bytes - (x_margin<<1));
-		memset (con_fb_base + chars_per_line * con_height
-					- skip_bytes + (x_margin<<1),
-			(con_depth == 1) ? ~(0) : reverse_color_table[0],
-			skip_bytes - (x_margin<<1));
-		he = con_height - 2 * y_margin;
-		i = 2 * x_margin;
-		if (con_depth == 1) {
-			for (p = con_fb_base+skip_bytes-(x_margin<<1), h = 0;
-			     h <= he; p += chars_per_line, h++)
-				memset (p, ~(0), i);			
-		} else {
-			for (p = con_fb_base+skip_bytes-(x_margin<<1), h = 0;
-			     h <= he; p += chars_per_line, h++)
-				memset (p, reverse_color_table[0], i);
-		}
-	}
-	if (fbinfo [0].switch_from_graph)
-		(*fbinfo [0].switch_from_graph)();
-}
-
-/* Call the frame buffer routine for setting the palette */
-static void sbus_set_palette (void)
-{
-	if (console_blanked || vt_cons [fg_console]->vc_mode == KD_GRAPHICS)
-		return;
-
-	if (fbinfo [0].loadcmap){
-		int i, j;
-	
-		/* First keep color_map with the palette colors */
-		for (i = 0; i < 16; i++){
-			j = sparc_color_table [i];
-			fbinfo[0].color_map CM(i,0) = default_red [j];
-			fbinfo[0].color_map CM(i,1) = default_grn [j];
-			fbinfo[0].color_map CM(i,2) = default_blu [j];
-		}
-		(*fbinfo [0].loadcmap)(&fbinfo [0], 0, 16);
-	}
-}
-
-static void sbus_set_other_palette (int n)
-{
-	if (!n) {
-		sbus_set_palette ();
-		return;
-	}
-	if (fbinfo [n].loadcmap){
-		fbinfo[n].color_map CM(0,0) = 0;
-		fbinfo[n].color_map CM(0,1) = 0;
-		fbinfo[n].color_map CM(0,2) = 0;
-		(*fbinfo [n].loadcmap)(&fbinfo [n], 0, 1);
-	}
-}
-
-/* Called when returning to prom */
-static void sbus_console_restore_palette (void)
-{
-        if (fb_restore_palette)
-	        (*fb_restore_palette) (&fbinfo[0]);
-}
-
-__initfunc(void cg_postsetup(fbinfo_t *fb))
-{
-	fb->color_map = kmalloc(256 * 3, GFP_ATOMIC);
-}
-
-static char *known_cards [] __initdata = {
-	"cgsix", "cgthree", "cgRDI", "cgthree+", "bwtwo", "SUNW,tcx",
-	"cgfourteen", "SUNW,leo", "SUNW,ffb", 0
-};
-static char *v0_known_cards [] __initdata = {
-	"cgsix", "cgthree", "cgRDI", "cgthree+", "bwtwo", 0
-};
-
-__initfunc(static int known_card (char *name, char **known_cards))
-{
-	int i;
-
-	for (i = 0; known_cards [i]; i++)
-		if (strcmp (name, known_cards [i]) == 0)
-			return 1;
-	return 0;
-}
-
-static struct {
-	int depth;
-	int resx, resy;
-	int x_margin, y_margin;
-} scr_def [] = {
-	{ 8, 1280, 1024, 64, 80 },
-	{ 8, 1152, 1024, 64, 80 },
-	{ 8, 1152, 900,  64, 18 },
-	{ 8, 1024, 768,  0,  0 },
-	{ 8, 800, 600, 16, 12 },
-	{ 8, 640, 480, 0, 0 },
-	{ 1, 1152, 900,  8,  18 },
-	{ 0 },
-};
-
-__initfunc(static int cg14_present(void))
-{
-	int root, n;
-
-	root = prom_getchild (prom_root_node);
-	if ((n = prom_searchsiblings (root, "obio")) == 0)
-		return 0;
-
-	n = prom_getchild (n);
-	if ((n = prom_searchsiblings (n, "cgfourteen")) == 0)
-		return 0;
-	return n;
-}
-
-__initfunc(static int creator_present (void))
-{
-#ifdef __sparc_v9__
-	int root, n;
-
-	root = prom_getchild (prom_root_node);
-	if ((n = prom_searchsiblings (root, "SUNW,ffb")) == 0)
-		return 0;
-	return n;
-#else
-	return 0;
-#endif
-}
-
-__initfunc(static void
-	   sparc_framebuffer_setup(int primary, int con_node,
-				   int type, struct linux_sbus_device *sbdp, 
-				   uint base, unsigned long con_base, int prom_fb,
-				   int parent_node))
-{
-	static int frame_buffers = 1;
-	int n, i;
-	int linebytes;
-	uint io = 0;
-	char *p;
-	
-	if (primary)
-		n = 0;
-	else {
-		if (frame_buffers == FRAME_BUFFERS)
-			return; /* Silently ignore */
-		n = frame_buffers++;
-	}
-	
-	if (prom_fb) sun_prom_console_id = n;
-		
-	if (sbdp)
-		io = sbdp->reg_addrs [0].which_io;
-
-	/* Fill in common fb information */
-	fbinfo [n].clear_fb       = sbus_clear_fb;
-	fbinfo [n].set_other_palette = sbus_set_other_palette;
-	fbinfo [n].type.fb_type   = type;
-	fbinfo [n].real_type	  = type;
-	fbinfo [n].prom_node	  = con_node;
-	memset (&(fbinfo [n].emulations), 0xff, sizeof (fbinfo [n].emulations));
-	fbinfo [n].type.fb_height = prom_getintdefault(con_node, "height", 900);
-	fbinfo [n].type.fb_width  = prom_getintdefault(con_node, "width", 1152);
-	fbinfo [n].type.fb_depth  = (type == FBTYPE_SUN2BW) ? 1 : 8;
-	linebytes = prom_getintdefault(con_node, "linebytes", fbinfo[n].type.fb_width * fbinfo[n].type.fb_depth / 8);
-	fbinfo [n].type.fb_size   = PAGE_ALIGN((linebytes) * (fbinfo [n].type.fb_height));
-	fbinfo [n].space = io;
-	fbinfo [n].blanked = 0;
-	if (con_base >= PAGE_OFFSET)
-		fbinfo [n].base = con_base;
-	else
-		fbinfo [n].base = 0;
-	fbinfo [n].cursor.hwsize.fbx = 32;
-	fbinfo [n].cursor.hwsize.fby = 32;
-	fbinfo [n].proc_entry.node = parent_node;
-	fbinfo [n].proc_entry.rdev = MKDEV(GRAPHDEV_MAJOR, n);
-	fbinfo [n].proc_entry.mode = S_IFCHR | S_IRUSR | S_IWUSR;
-	prom_getname (con_node, fbinfo [n].proc_entry.name, 32 - 3);
-	p = strchr (fbinfo [n].proc_entry.name, 0);
-        sprintf (p, ":%d", n);
-	
-	/* Should be filled in for supported video cards */
-	fbinfo [n].mmap = 0; 
-	fbinfo [n].loadcmap = 0;
-	fbinfo [n].ioctl = 0;
-	fbinfo [n].reset = 0;
-	fbinfo [n].blank = 0;
-	fbinfo [n].unblank = 0;
-	fbinfo [n].setcursor = 0;
-	fbinfo [n].base_depth = fbinfo [n].type.fb_depth;
-	
-	/* Per card setup */
-	switch (fbinfo [n].type.fb_type){
-#ifdef SUN_FB_CGTHREE
-	case FBTYPE_SUN3COLOR:
-		cg3_setup (&fbinfo [n], n, base, io, sbdp);
-		break;
-#endif
-#ifdef SUN_FB_TCX
-	case FBTYPE_TCXCOLOR:
-		tcx_setup (&fbinfo [n], n, con_node, base, sbdp);
-		break;
-#endif
-#ifdef SUN_FB_CGSIX
-	case FBTYPE_SUNFAST_COLOR:
-		cg6_setup (&fbinfo [n], n, base, io);
-		break;
-#endif
-#ifdef SUN_FB_BWTWO
-	case FBTYPE_SUN2BW:
-		bwtwo_setup (&fbinfo [n], n, base, io, sbdp);
-		break;
-#endif
-#ifdef SUN_FB_CGFOURTEEN
-	case FBTYPE_MDICOLOR:
-		cg14_setup (&fbinfo [n], n, con_node, base, io);
-		break;
-#endif
-#ifdef SUN_FB_LEO
-	case FBTYPE_SUNLEO:
-		leo_setup (&fbinfo [n], n, base, io);
-		break;
-#endif
-#if defined(SUN_FB_CREATOR) && defined(__sparc_v9__)
-	case FBTYPE_CREATOR:
-		creator_setup (&fbinfo [n], n, con_node, base, io);
-		break;
-#endif
-	default:
-		fbinfo [n].type.fb_type = FBTYPE_NOTYPE;
-		return;
-	}
-
-	if (n)
-		return;
-	
-	/* Code below here is just executed for the first frame buffer */
-	con_type = type;
-	con_height = fbinfo [n].type.fb_height;
-	con_width = fbinfo [n].type.fb_width;
-	con_depth = (type == FBTYPE_SUN2BW) ? 1 : 8;
-	for (i = 0; scr_def [i].depth; i++){
-		if ((scr_def [i].resx != con_width) ||
-		    (scr_def [i].resy != con_height))
-			continue;
-		if (scr_def [i].depth != con_depth)
-			continue;
-		x_margin = scr_def [i].x_margin;
-		y_margin = scr_def [i].y_margin;
-		chars_per_line = (con_width * con_depth) / 8;
-		skip_bytes = chars_per_line * y_margin + x_margin;
-		ints_per_line = chars_per_line / 4;
-		ints_per_cursor = 14 * ints_per_line;
-		bytes_per_row = CHAR_HEIGHT * chars_per_line;
-		ORIG_VIDEO_COLS = con_width / 8 -
-			2 * x_margin / con_depth;
-		ORIG_VIDEO_LINES = (con_height - 2 * y_margin) / 16;
-		switch (chars_per_line) {
-		case 1280:
-			if (ORIG_VIDEO_COLS == 144)
-				color_fbuf_offset =
-					color_fbuf_offset_1280_144;
-			break;
-		case 1152:
-			if (ORIG_VIDEO_COLS == 128)
-				color_fbuf_offset =
-					color_fbuf_offset_1152_128;
-			break;
-		case 1024:
-			if (ORIG_VIDEO_COLS == 128)
-				color_fbuf_offset =
-					color_fbuf_offset_1024_128;
-			break;
-		case 800:
-			if (ORIG_VIDEO_COLS == 96)
-				color_fbuf_offset =
-					color_fbuf_offset_800_96;
-			break;
-		case 640:
-			if (ORIG_VIDEO_COLS == 80)
-				color_fbuf_offset =
-					color_fbuf_offset_640_80;
-			break;
-		}
-		break;
-	}
-	
-	if (!scr_def [i].depth){
-		x_margin = y_margin = 0;
-		prom_printf ("console: unknown video resolution %dx%d,"
-			     " depth %d\n",
-			     con_width, con_height, con_depth);
-		prom_halt ();
-	}
-	
-	/* P3: I fear this strips 15inch 1024/768 PC-like
-	 * monitors out. */
-	if ((linebytes*8) / con_depth != con_width) {
-		prom_printf("console: unusual video, linebytes=%d, "
-			    "width=%d, height=%d depth=%d\n",
-			    linebytes, con_width, con_height,
-			    con_depth);
-		prom_halt ();
-	}
-}
-
-__initfunc(int sbus_console_probe(void))
-{
-	int propl, con_node, default_node = 0;
-	char prop[16];
-	struct linux_sbus_device *sbdp, *sbdprom;
-	struct linux_sbus *sbus;
-	int creator = 0, cg14 = 0;
-	char prom_name[40];	
-	int type, card_found = 0;
-	unsigned long con_base;
-	u32 tmp;
-	u32 prom_console_node = 0;
-
-	if(SBus_chain == 0) {
-#ifdef CONFIG_SUN4
-		sparc_framebuffer_setup (1,0,FBTYPE_SUN2BW,NULL,SUN4_300_BWTWO_PHYSADDR,0,0,0);
-#else	
-		creator = creator_present();
-		if (!creator)
-			return -1;
-		sparc_framebuffer_setup (1, creator, FBTYPE_CREATOR,
-					 0, 0, 0, 0, prom_root_node);
-#endif
-	} else {
-		sbdprom = 0;
-		
-		switch(prom_vers) {
-		
-		case PROM_V0:
-		/* V0 proms are at sun4c only. Can skip many checks. */
-		con_type = FBTYPE_NOTYPE;
-		for_each_sbusdev(sbdp, SBus_chain) {
-			/* If no "address" than it is not the PROM console. */
-			if(sbdp->num_vaddrs) {
-				if(known_card(sbdp->prom_name, v0_known_cards)) {
-				   	sbdprom = sbdp;
-					strncpy(prom_name, sbdp->prom_name, sizeof (prom_name));
-					break;
-				}
-			}
-		}
-		if(!sbdprom) return -1;
-		for_each_sbusdev(sbdp, SBus_chain) {
-			con_node = sbdp->prom_node;
-
-			if(!strncmp(sbdp->prom_name, "cgsix", 5) ||
-			   !strncmp(sbdp->prom_name, "cgthree+", 8)) {
-				type = FBTYPE_SUNFAST_COLOR;
-			} else if(!strncmp(sbdp->prom_name, "cgthree", 7) ||
-			   !strncmp(sbdp->prom_name, "cgRDI", 5)) {
-				type = FBTYPE_SUN3COLOR;
-			} else if (!strncmp(sbdp->prom_name, "bwtwo", 5)) {
-				type = FBTYPE_SUN2BW;
-			} else
-				continue;
-			sparc_framebuffer_setup (sbdprom == sbdp, con_node, type, sbdp, 
-						 (uint)sbdp->reg_addrs [0].phys_addr, sbdp->sbus_vaddrs[0], 0,
-						 sbdp->my_bus->prom_node);
-			/* XXX HACK */
-			if (sbdprom == sbdp && !strncmp(sbdp->prom_name, "cgRDI", 5))
-				break;
-		}
-		break;
-		
-		case PROM_V2:
-		case PROM_V3:
-		case PROM_P1275:
-		if (console_fb_path) {
-			char *q, c;
-
-			for (q = console_fb_path; *q && *q != ' '; q++);
-			c = *q;
-			*q = 0;
-			default_node = prom_pathtoinode(console_fb_path);
-			if (default_node) {
-				prom_printf ("Using %s for console\n", console_fb_path);
-				prom_console_node = prom_inst2pkg(prom_stdout);
-				if (prom_console_node == default_node)
-					prom_console_node = 0;
-			}
-		}
-		if (!default_node)
-			default_node = prom_inst2pkg(prom_stdout);
-		propl = prom_getproperty(default_node, "device_type",
-					 prop, sizeof (prop));
-		if (propl < 0) {
-			prom_printf ("output-device doesn't have device_type property\n");
-			prom_halt ();
-		} else if (propl != sizeof("display") || strncmp("display", prop, sizeof("display"))) {
-		    	prop [propl] = 0;
-			prom_printf ("console_probe: output-device is %s"
-				     " (not \"display\")\n", prop);
-			prom_halt ();
-		}
-		for_all_sbusdev(sbdp, sbus) {
-			if ((sbdp->prom_node == default_node)
-			    && known_card (sbdp->prom_name, known_cards)) {
-			    	sbdprom = sbdp;
-				break;
-			}
-		}
-		if (sbdprom)
-		    card_found = 1;
-		if (!card_found)
-		    card_found = cg14 = cg14_present ();
-		if (!card_found){
-			card_found = creator = creator_present ();
-		}
-		if (!card_found){
-			prom_printf ("Could not find a known video card on this machine\n");
-			prom_halt ();
-		}
-		
-		for_all_sbusdev(sbdp, sbus) {
-			if (!known_card (sbdp->prom_name, known_cards))
-				continue;
-			con_node = sbdp->prom_node;
-			prom_apply_sbus_ranges (sbdp->my_bus, &sbdp->reg_addrs [0],
-						sbdp->num_registers, sbdp);
-
-			propl = prom_getproperty(con_node, "address", (char *) &tmp, 4);
-			con_base = tmp;
-			if (propl != 4) con_base = 0;
-			propl = prom_getproperty(con_node, "emulation", prom_name, sizeof (prom_name));
-			if (propl < 0 || propl >= sizeof (prom_name)) {
-				/* Early cg3s had no "emulation". */
-				propl = prom_getproperty(con_node, "name", prom_name, sizeof (prom_name));
-				if (propl < 0) {
-					prom_printf("console: no device name!!\n");
-					return -1;
-				}
-			}
-			prom_name [sizeof (prom_name) - 1] = 0;
-			if(!strcmp(prom_name, "cgsix") ||
-			   !strcmp(prom_name, "cgthree+")) {
-				type = FBTYPE_SUNFAST_COLOR;
-			} else if(!strcmp(prom_name, "cgthree") ||
-			   !strcmp(prom_name, "cgRDI")) {
-				type = FBTYPE_SUN3COLOR;
-			} else if(!strcmp(prom_name, "cgfourteen")) {
-				type = FBTYPE_MDICOLOR;
-			} else if(!strcmp(prom_name, "SUNW,leo")) {
-				type = FBTYPE_SUNLEO;
-			} else if(!strcmp(prom_name, "bwtwo")) {
-				type = FBTYPE_SUN2BW;
-			} else if(!strcmp(prom_name,"SUNW,tcx")){
-				sparc_framebuffer_setup (sbdprom == sbdp, con_node, FBTYPE_TCXCOLOR, sbdp,
-							 (uint)sbdp->reg_addrs [10].phys_addr, con_base, 
-							 prom_console_node == con_node, sbdp->my_bus->prom_node);
-				continue;
-			} else {
-				prom_printf("console: \"%s\" is unsupported\n", prom_name);
-				continue;
-			}
-			sparc_framebuffer_setup (sbdprom == sbdp, con_node, type, sbdp,
-						 (uint)sbdp->reg_addrs [0].phys_addr, con_base,
-						 prom_console_node == con_node, sbdp->my_bus->prom_node);
-			/* XXX HACK */
-			if (sbdprom == sbdp && !strncmp(sbdp->prom_name, "cgRDI", 5))
-				break;
-		}
-		if (cg14) {
-			sparc_framebuffer_setup (!sbdprom, cg14, FBTYPE_MDICOLOR, 
-						 0, 0, 0, prom_console_node == cg14,
-						 prom_searchsiblings (prom_getchild (prom_root_node), "obio"));
-		}
-		if (creator){
-			sparc_framebuffer_setup (!sbdprom, creator, FBTYPE_CREATOR,
-						 0, 0, 0, prom_console_node == creator,
-						 prom_root_node);
-		}
-		break;
-		
-		default:
-		return -1;
-		}
-	}
-	
-	if (fbinfo [0].type.fb_type == FBTYPE_NOTYPE) {
-		prom_printf ("Couldn't setup your primary frame buffer.\n");
-		prom_halt ();
-	}
-
-	if (fbinfo [0].blitc)
-		do_accel = 1;
-	
-	con_fb_base = (unsigned char *)fbinfo[0].base;
-	if (!con_fb_base){
-		prom_printf ("PROM does not have an 'address' property for this\n"
-			     "frame buffer and the Linux drivers do not know how\n"
-			     "to map the video of this device\n");
-		prom_halt ();
-	}
-	sbus_install_consops();
-	return fb_init ();
-}
-
-/*
- * sbus_blitc
- *
- * Displays an ASCII character at a specified character cell
- *  position.
- *
- * Called from scr_writew() when the destination is
- *  the "shadow" screen
- */
-static uint
-fontmask_bits[16] = {
-    0x00000000,
-    0x000000ff,
-    0x0000ff00,
-    0x0000ffff,
-    0x00ff0000,
-    0x00ff00ff,
-    0x00ffff00,
-    0x00ffffff,
-    0xff000000,
-    0xff0000ff,
-    0xff00ff00,
-    0xff00ffff,
-    0xffff0000,
-    0xffff00ff,
-    0xffffff00,
-    0xffffffff
-};
-
-static int sbus_blitc(uint charattr, unsigned long addr)
-{
-	unsigned int fgmask, bgmask;
-	unsigned char attrib;
-	int j, idx;
-	unsigned char *font_row;
-
-	if (do_accel) {
-		(*fbinfo[0].blitc)(charattr, 
-			        x_margin + (((addr - video_mem_base) % video_size_row)<<2),
-		 	        y_margin + CHAR_HEIGHT * ((addr - video_mem_base) / video_size_row));
-		return 0;
-	}
-
-  	/* Invalidate the cursor position if necessary. */
-	idx = (addr - video_mem_base) >> 1;
-
-	attrib = CHARATTR_TO_SUNCOLOR(charattr);
-	font_row = &vga_font[(j = (charattr & 0xff)) << 4];
-
-	switch (con_depth){
-	case 1: {
-		register unsigned char *dst;
-		unsigned long flags;
-		
-		dst = (unsigned char *)(((unsigned long)con_fb_base) + FBUF_OFFSET(idx));
-
-		__save_and_cli(flags);
-		if ((!(charattr & 0xf000)) ^ (idx == cursor_pos)) {
-			for(j = 0; j < CHAR_HEIGHT; j++, font_row++, dst+=CHARS_PER_LINE)
-				*dst = ~(*font_row);
-		} else {
-			for(j = 0; j < CHAR_HEIGHT; j++, font_row++, dst+=CHARS_PER_LINE)
-				*dst = *font_row;
-		}
-		__restore_flags(flags);
-		break;
-	}
-	case 8: {
-#ifdef ASM_BLITC		
-		const int cpl = chars_per_line;
-		/* The register assignment is important here, do not modify without touching the assembly code as well */
-		register unsigned int x1 __asm__("g4"), x2 __asm__("g5"), x3 __asm__("g2"), x4 __asm__("g3"), flags __asm__("g7");
-		register unsigned int *dst;
-#else		
-		const int ipl = ints_per_line;
-		unsigned int data2, data3, data4;
-		unsigned int data, rowbits;
-		register unsigned int *dst;
-		unsigned long flags;
-#endif		
-		const uint *fontm_bits = fontmask_bits;
-		
-		dst = (unsigned int *)(((unsigned long)con_fb_base) + COLOR_FBUF_OFFSET(idx));
-		if (j == ' ') /* space is quite common, so we optimize a bit */ {
-#ifdef ASM_BLITC
-#define BLITC_SPACE \
-		"\n\t std	%3, [%0]" \
-		"\n\t std	%3, [%0 + %1]" \
-		"\n\t add	%0, %2, %0"
-#define BLITC_SPC \
-		"\n\t std	%0, [%1]" \
-		"\n\t std	%0, [%1 + %2]"
-
-			x1 = attrib >> 4;
-			x1 |= x1 << 8;
-			x1 |= x1 << 16;
-			x3 = cpl << 1;
-			
-			__asm__ __volatile__ (
-				"\n\t mov	%3, %4"
-				BLITC_SPACE
-				BLITC_SPACE
-				BLITC_SPACE
-				BLITC_SPACE
-				BLITC_SPACE
-				BLITC_SPACE
-				BLITC_SPACE
-				: "=r" (dst)
-				: "r" (cpl), "r" (x3), "r" (x1), "r" (x2));
-			__save_and_cli (flags);
-			if (idx != cursor_pos)
-				__asm__ __volatile__ (
-					BLITC_SPC
-					: /* no outputs */
-					: "r" (x1), "r" (dst), "r" (cpl));
-			else
-				__asm__ __volatile__ (BLITC_SPC
-					: /* no outputs */
-					: "r" (x1), "r" (under_cursor),
-					  "i" (8));
-			__restore_flags (flags);
-#else
-			bgmask = attrib >> 4;
-			bgmask |= bgmask << 8;
-			bgmask |= bgmask << 16;
-			
-	                for(j = 0; j < CHAR_HEIGHT - 2; j++, font_row++, dst += ipl) {
-        	                *dst = bgmask;
-        	                *(dst+1) = bgmask;
-                	}
-                	/* Prevent cursor spots left on the screen */
-			__save_and_cli(flags);
-			if (idx != cursor_pos) {
-	                	*dst = bgmask;
-        	        	*(dst+1) = bgmask;
-                		dst += ipl;
-	                	*dst = bgmask;
-        	        	*(dst+1) = bgmask;
-                	} else {
-	                	under_cursor [0] = bgmask;
-        	        	under_cursor [1] = bgmask;
-                		under_cursor [2] = bgmask;
-	                	under_cursor [3] = bgmask;
-        	        }
-	                __restore_flags(flags);
-#endif
-		} else /* non-space */ {
-			fgmask = attrib & 0x0f;
-			bgmask = attrib >> 4;
-			fgmask |= fgmask << 8;
-			fgmask |= fgmask << 16;
-			bgmask |= bgmask << 8;
-			bgmask |= bgmask << 16;
-
-#ifdef ASM_BLITC
-#define BLITC_INIT \
-			"\n\t ld	[%0], %%g2"
-#define BLITC_BODY(ST1,SC1,ST2,SC2)  \
-			"\n\t " #ST1 "	%%g2, " #SC1 ", %%g7"  \
-			"\n\t " #ST2 "	%%g2, " #SC2 ", %7"  \
-			"\n\t and	%%g7, 0x3c, %%g7"  \
-			"\n\t and	%7, 0x3c, %7"  \
-			"\n\t ld	[%1 + %%g7], %6"  \
-			"\n\t and	%6, %2, %%g7"  \
-			"\n\t andn	%3, %6, %6"  \
-			"\n\t or	%%g7, %6, %6"  \
-			"\n\t ld	[%1 + %7], %7"  \
-			"\n\t and	%7, %2, %%g7"  \
-			"\n\t andn	%3, %7, %7"  \
-			"\n\t or	%%g7, %7, %7"
-#define BLITC_BODYEND \
-			"\n\t sll	%3, 2, %%g7"  \
-			"\n\t srl	%3, 2, %3"  \
-			"\n\t and	%%g7, 0x3c, %%g7"  \
-			"\n\t and	%3, 0x3c, %3"  \
-			"\n\t ld	[%0 + %%g7], %4"  \
-			"\n\t and	%4, %1, %%g7"  \
-			"\n\t andn	%2, %4, %4"  \
-			"\n\t or	%%g7, %4, %4"  \
-			"\n\t ld	[%0 + %3], %3"  \
-			"\n\t and	%3, %1, %%g7"  \
-			"\n\t andn	%2, %3, %3"  \
-			"\n\t or	%%g7, %3, %3"
-#define BLITC_STOREIT \
-			"\n\t std	%6, [%5]"  \
-			"\n\t add	%5, %4, %5"  \
-			"\n\t" 
-#define BLITC_STORE \
-			"\n\t std	%%g4, [%0]"  \
-			"\n\t std	%%g2, [%0 + %1]"
-	
-			for (j = 0; j < 3; j++, font_row+=4) {
-				__asm__ __volatile__ (BLITC_INIT
-					BLITC_BODY(srl, 26, srl, 22)
-					BLITC_STOREIT
-					BLITC_BODY(srl, 18, srl, 14)
-					BLITC_STOREIT
-					BLITC_BODY(srl, 10, srl, 6)
-					BLITC_STOREIT
-					BLITC_BODY(srl, 2, sll, 2)
-					BLITC_STOREIT
-					: : "r" (font_row), "r" (fontm_bits), "r" (fgmask), "r" (bgmask), "r" (cpl), "r" (dst),
-					    "r" (x1), "r" (x2));
-			}
-			__asm__ __volatile__ (BLITC_INIT
-				BLITC_BODY(srl, 26, srl, 22)
-				BLITC_STOREIT
-				BLITC_BODY(srl, 18, srl, 14)
-				BLITC_STOREIT
-				/* Now prepare date for the 15th line, but don't put it anywhere yet (leave it in g4,g5) */
-				BLITC_BODY(srl, 10, srl, 6)
-				: : "r" (font_row), "r" (fontm_bits), "r" (fgmask), "r" (bgmask), "r" (cpl), "r" (dst),
-				    "r" (x1), "r" (x2));
-			/* Prepare the data the bottom line (and put it into g2,g3) */
-			__asm__ __volatile__ (BLITC_BODYEND : : "r" (fontm_bits), "r" (fgmask), "r" (bgmask),
-								"r" (x3), "r" (x4));
-			__save_and_cli(flags);
-			if (idx != cursor_pos)
-				__asm__ __volatile__ (BLITC_STORE : : "r" (dst), "r" (cpl));
-			else
-				__asm__ __volatile__ (BLITC_STORE : : "r" (under_cursor), "i" (8));
-			__restore_flags (flags);
-#else
-	                for(j = 0; j < CHAR_HEIGHT - 2; j++, font_row++, dst += ipl) {
-        	                rowbits = *font_row;
-                	        data = fontm_bits[(rowbits>>4)&0xf];
-	                        data = (data & fgmask) | (~data & bgmask);
-        	                *dst = data;
-                	        data = fontm_bits[rowbits&0xf];
-	                        data = (data & fgmask) | (~data & bgmask);
-        	                *(dst+1) = data;
-                	}
-	                rowbits = *font_row;
-        	        data = fontm_bits[(rowbits>>4)&0xf];
-                	data = (data & fgmask) | (~data & bgmask);
-	                data2 = fontm_bits[rowbits&0xf];
-        	        data2 = (data2 & fgmask) | (~data2 & bgmask);
-                	rowbits = font_row[1];
-	                data3 = fontm_bits[(rowbits>>4)&0xf];
-        	        data3 = (data3 & fgmask) | (~data3 & bgmask);
-                	data4 = fontm_bits[rowbits&0xf];
-	                data4 = (data4 & fgmask) | (~data4 & bgmask);
-        	        
-                	/* Prevent cursor spots left on the screen */
-			__save_and_cli(flags);
-			
-			if (idx != cursor_pos) {
-	                	*dst = data;
-        	        	*(dst+1) = data2;
-                		dst += ipl;
-	                	*dst = data3;
-        	        	*(dst+1) = data4;
-                	} else {
-	                	under_cursor [0] = data;
-        	        	under_cursor [1] = data2;
-                		under_cursor [2] = data3;
-	                	under_cursor [3] = data4;
-        	        }
-                	
-	                __restore_flags(flags);
-#endif
-		}
-		break;
-	} /* case */
-	} /* switch */
-	return (0);
-}
-
-static void sbus_scr_writew(unsigned short val, unsigned short * addr)
-{
-        /*
-         * always deposit the char/attr, then see if it was to "screen" mem.
-	 * if so, then render the char/attr onto the real screen.
-         */
-	if (*addr != val) {
-        	*addr = val;
-		if ((unsigned long)addr < video_mem_term &&
-		    (unsigned long)addr >= video_mem_base &&
-		    vt_cons [fg_console]->vc_mode == KD_TEXT)
-			sbus_blitc(val, (unsigned long) addr);
-	}
-}
-
-static unsigned short sbus_scr_readw(unsigned short * addr)
-{
-	return *addr;
-}
-
-static void sbus_memsetw(void * s, unsigned short c, unsigned int count)
-{
-	unsigned short * addr = (unsigned short *) s;
-
-	count >>= 1;
-	if (vt_cons[fg_console]->vc_mode == KD_GRAPHICS) {
-		while (count) {
-			count--;
-			*addr++ = c;
-		}
-		return;
-	}
-	if ((unsigned long) addr + count > video_mem_term ||
-	    (unsigned long) addr < video_mem_base) {
-	    	if ((unsigned long) addr + count <= video_mem_term ||
-	    	    (unsigned long) addr > video_mem_base) {
-			while (count) {
-				count--;
-				*addr++ = c;
-			}
-			return;
-	    	} else {
-			while (count) {
-				count--;
-				scr_writew(c, addr++);
-			}
-		}
-#define GX_SETW (*fbinfo[0].setw)(x_margin + ((xoff - (addr - last)) << 3), y_margin + CHAR_HEIGHT * yoff, c, addr - last);
-	} else if (do_accel) {
-		int yoff = (((long)addr - (long)video_mem_base) >> 1) / video_num_columns;
-		int xoff = (((long)addr - (long)video_mem_base) >> 1) % video_num_columns;
-		unsigned short * last = addr;
-		
-		while (count) {
-			count--;
-			if (*addr != c) {
-				if (xoff == video_num_columns) {
-					if (last != addr)
-						GX_SETW
-					xoff = 0;
-					yoff++;
-					last = addr;
-				}
-				*addr++ = c;
-				xoff++;
-			} else {
-				if (last != addr)
-					GX_SETW
-				if (xoff == video_num_columns) {
-					xoff = 0;
-					yoff++;
-				}
-				addr++;
-				xoff++;
-				last = addr;
-			}
-		}
-		if (last != addr)
-			GX_SETW
-	} else {
-		while (count) {
-			count--;
-			if (*addr != c) {
-				sbus_blitc(c, (unsigned long)addr);
-				*addr++ = c;
-			} else
-				addr++;
-		}
-	}
-}
-
-static void sbus_memcpyw(unsigned short *to, unsigned short *from, unsigned int count)
-{
-	if (vt_cons[fg_console]->vc_mode == KD_GRAPHICS) {
-		memcpy(to, from, count);
-		return;
-	}
-	if ((unsigned long) to + count > video_mem_term ||
-	    (unsigned long) to < video_mem_base) {
-	    	if ((unsigned long) to + count <= video_mem_term ||
-	    	    (unsigned long) to > video_mem_base)
-	    	    	memcpy(to, from, count);
-	    	else {
-	    		count >>= 1;
-			while (count) {
-				count--;
-				scr_writew(scr_readw(from++), to++);
-			}
-		}
-#define GX_CPYW (*fbinfo[0].cpyw)(x_margin + ((xoff - (to - last)) << 3), y_margin + CHAR_HEIGHT * yoff, last, to - last);
-	} else if (do_accel) {
-		int yoff = (((long)to - (long)video_mem_base) >> 1) / video_num_columns;
-		int xoff = (((long)to - (long)video_mem_base) >> 1) % video_num_columns;
-		unsigned short * last = to;
-		
-		count >>=1;
-		while (count) {
-			count--;
-			if (*to != *from) {
-				if (xoff == video_num_columns) {
-					if (last != to)
-						GX_CPYW
-					xoff = 0;
-					yoff++;
-					last = to;
-				} else if (last != to && (*last & 0xff00) != (*from & 0xff00)) {
-					GX_CPYW
-					last = to;
-				}
-				*to++ = *from++;
-				xoff++;
-			} else {
-				if (last != to)
-					GX_CPYW
-				if (xoff == video_num_columns) {
-					xoff = 0;
-					yoff++;
-				}
-				to++;
-				xoff++;
-				last = to;
-				from++;
-			}
-		}
-		if (last != to)
-			GX_CPYW
-	} else {
-		count >>= 1;
-		while (count) {
-			count--;
-			if (*to != *from) {
-				sbus_blitc(*from, (unsigned long)to);
-				*to++ = *from++;
-			} else {
-				from++;
-				to++;
-			}
-		}
-	}
-}
-
-#undef pos
-int sbus_hw_scursor (struct fbcursor *cursor, fbinfo_t *fb)
-{
-	int op;
-	int i, bytes = 0;
-	struct fbcursor f;
-	char red[2], green[2], blue[2];
-	
-	if (copy_from_user (&f, cursor, sizeof(struct fbcursor)))
-		return -EFAULT;
-	op = f.set;
-	if (op & FB_CUR_SETSHAPE){
-		if ((uint) f.size.fbx > fb->cursor.hwsize.fbx)
-			return -EINVAL;
-		if ((uint) f.size.fby > fb->cursor.hwsize.fby)
-			return -EINVAL;
-		if (f.size.fbx > 32)
-			bytes = f.size.fby << 3;
-		else
-			bytes = f.size.fby << 2;
-	}
-	if (op & FB_CUR_SETCMAP){
-		if (f.cmap.index || f.cmap.count != 2)
-			return -EINVAL;
-		if (copy_from_user (red, f.cmap.red, 2) ||
-		    copy_from_user (green, f.cmap.green, 2) ||
-		    copy_from_user (blue, f.cmap.blue, 2))
-			return -EFAULT;
-	}
-	if (op & FB_CUR_SETCMAP)
-		(*fb->setcursormap) (fb, red, green, blue);
-	if (op & FB_CUR_SETSHAPE){
-		uint u;
-		
-		fb->cursor.size = f.size;
-		memset ((void *)&fb->cursor.bits, 0, sizeof (fb->cursor.bits));
-		if (copy_from_user (fb->cursor.bits [0], f.mask, bytes) ||
-		    copy_from_user (fb->cursor.bits [1], f.image, bytes))
-			return -EFAULT;
-		if (f.size.fbx <= 32) {
-			u = ~(0xffffffff >> f.size.fbx);
-			for (i = fb->cursor.size.fby - 1; i >= 0; i--) {
-				fb->cursor.bits [0][i] &= u;
-				fb->cursor.bits [1][i] &= fb->cursor.bits [0][i];
-			}
-		} else {
-			u = ~(0xffffffff >> (f.size.fbx - 32));
-			for (i = fb->cursor.size.fby - 1; i >= 0; i--) {
-				fb->cursor.bits [0][2*i+1] &= u;
-				fb->cursor.bits [1][2*i] &= fb->cursor.bits [0][2*i];
-				fb->cursor.bits [1][2*i+1] &= fb->cursor.bits [0][2*i+1];
-			}
-		}
-		(*fb->setcurshape) (fb);
-	}
-	if (op & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)){
-		if (op & FB_CUR_SETCUR)
-			fb->cursor.enable = f.enable;
-		if (op & FB_CUR_SETPOS)
-			fb->cursor.cpos = f.pos;
-		if (op & FB_CUR_SETHOT)
-			fb->cursor.chot = f.hot;
-		(*fb->setcursor) (fb);
-	}
-	return 0;
-}
-
-static unsigned char hw_cursor_cmap[2] = { 0, 0xff };
-
-void sbus_hw_hide_cursor (void)
-{
-	fbinfo[0].cursor.enable = 0;
-	(*fbinfo[0].setcursor)(&fbinfo[0]);
-	sbus_hw_cursor_shown = 0;
-}
-
-void sbus_hw_set_cursor (int xoff, int yoff)
-{
-	if (!sbus_hw_cursor_shown) {
-		fbinfo[0].cursor.size.fbx = CHAR_WIDTH;
-		fbinfo[0].cursor.size.fby = CHAR_HEIGHT;
-		fbinfo[0].cursor.chot.fbx = 0;
-		fbinfo[0].cursor.chot.fby = 0;
-		fbinfo[0].cursor.enable = 1;
-		memset (fbinfo[0].cursor.bits, 0, sizeof (fbinfo[0].cursor.bits));
-		fbinfo[0].cursor.bits[0][CHAR_HEIGHT - 2] = 0xff000000;
-		fbinfo[0].cursor.bits[1][CHAR_HEIGHT - 2] = 0xff000000;
-		fbinfo[0].cursor.bits[0][CHAR_HEIGHT - 1] = 0xff000000;
-		fbinfo[0].cursor.bits[1][CHAR_HEIGHT - 1] = 0xff000000;
-		(*fbinfo[0].setcursormap) (&fbinfo[0], hw_cursor_cmap, hw_cursor_cmap, hw_cursor_cmap);
-		(*fbinfo[0].setcurshape) (&fbinfo[0]);
-		sbus_hw_cursor_shown = 1;
-	}
-	fbinfo[0].cursor.cpos.fbx = xoff;
-	fbinfo[0].cursor.cpos.fby = yoff;
-	(*fbinfo[0].setcursor)(&fbinfo[0]);
-}
-
-__initfunc(static void sbus_install_consops(void))
-{
-	suncons_ops.memsetw = sbus_memsetw;
-	suncons_ops.memcpyw = sbus_memcpyw;
-	suncons_ops.scr_writew = sbus_scr_writew;
-	suncons_ops.scr_readw = sbus_scr_readw;
-
-	suncons_ops.get_scrmem = sbus_get_scrmem;
-	suncons_ops.set_scrmem = sbus_set_scrmem;
-
-	suncons_ops.hide_cursor = sbus_hide_cursor;
-	suncons_ops.set_cursor = sbus_set_cursor;
-	suncons_ops.set_get_font = sbus_set_get_font;
-	suncons_ops.con_adjust_height = sbus_con_adjust_height;
-	suncons_ops.set_get_cmap = sbus_set_get_cmap;
-	suncons_ops.set_palette = sbus_set_palette;
-	suncons_ops.set_other_palette = sbus_set_other_palette;
-	suncons_ops.console_restore_palette = sbus_console_restore_palette;
-
-	suncons_ops.con_type_init = sbus_con_type_init;
-	suncons_ops.con_type_init_finish = sbus_con_type_init_finish;
-
-	suncons_ops.clear_screen = sbus_clear_screen;
-	suncons_ops.render_screen = sbus_render_screen;
-	suncons_ops.clear_margin = sbus_clear_margin;
-}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov