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

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diff -u --recursive --new-file v2.1.114/linux/drivers/sbus/char/cgsix.c linux/drivers/sbus/char/cgsix.c
@@ -1,688 +0,0 @@
-/* $Id: cgsix.c,v 1.39 1998/03/10 20:18:25 jj Exp $
- * cgsix.c: cgsix frame buffer driver
- *
- * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
- * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
- */
-#include <linux/kd.h>
-#include <linux/tty.h>
-#include <linux/malloc.h>
-#include <linux/proc_fs.h>
-
-#include <asm/sbus.h>
-#include <asm/io.h>
-#include <asm/fbio.h>
-#include <asm/pgtable.h>
-
-/* These must be included after asm/fbio.h */
-#include <linux/vt_kern.h>
-#include <linux/selection.h>
-#include <linux/console_struct.h>
-#include "fb.h"
-#include "cg_common.h"
-
-/* Offset of interesting structures in the OBIO space */
-/*
- * Brooktree is the video dac and is funny to program on the cg6.
- * (it's even funnier on the cg3)
- * The FBC could be the frame buffer control
- * The FHC could is the frame buffer hardware control.
- */
-#define CG6_ROM_OFFSET       0x0
-#define CG6_BROOKTREE_OFFSET 0x200000
-#define CG6_DHC_OFFSET       0x240000
-#define CG6_ALT_OFFSET       0x280000
-#define CG6_FHC_OFFSET       0x300000
-#define CG6_THC_OFFSET       0x301000
-#define CG6_FBC_OFFSET       0x700000
-#define CG6_TEC_OFFSET       0x701000
-#define CG6_RAM_OFFSET       0x800000
-
-/* FHC definitions */
-#define CG6_FHC_FBID_SHIFT           24
-#define CG6_FHC_FBID_MASK            255
-#define CG6_FHC_REV_SHIFT            20
-#define CG6_FHC_REV_MASK             15
-#define CG6_FHC_FROP_DISABLE         (1 << 19)
-#define CG6_FHC_ROW_DISABLE          (1 << 18)
-#define CG6_FHC_SRC_DISABLE          (1 << 17)
-#define CG6_FHC_DST_DISABLE          (1 << 16)
-#define CG6_FHC_RESET                (1 << 15)
-#define CG6_FHC_LITTLE_ENDIAN        (1 << 13)
-#define CG6_FHC_RES_MASK             (3 << 11)
-#define CG6_FHC_1024                 (0 << 11)
-#define CG6_FHC_1152                 (1 << 11)
-#define CG6_FHC_1280                 (2 << 11)
-#define CG6_FHC_1600                 (3 << 11)
-#define CG6_FHC_CPU_MASK             (3 << 9)
-#define CG6_FHC_CPU_SPARC            (0 << 9)
-#define CG6_FHC_CPU_68020            (1 << 9)
-#define CG6_FHC_CPU_386              (2 << 9)
-#define CG6_FHC_TEST		     (1 << 8)
-#define CG6_FHC_TEST_X_SHIFT	     4
-#define CG6_FHC_TEST_X_MASK	     15
-#define CG6_FHC_TEST_Y_SHIFT	     0
-#define CG6_FHC_TEST_Y_MASK	     15
-
-/* FBC mode definitions */
-#define CG6_FBC_BLIT_IGNORE		0x00000000
-#define CG6_FBC_BLIT_NOSRC		0x00100000
-#define CG6_FBC_BLIT_SRC		0x00200000
-#define CG6_FBC_BLIT_ILLEGAL		0x00300000
-#define CG6_FBC_BLIT_MASK		0x00300000
-
-#define CG6_FBC_VBLANK			0x00080000
-
-#define CG6_FBC_MODE_IGNORE		0x00000000
-#define CG6_FBC_MODE_COLOR8		0x00020000
-#define CG6_FBC_MODE_COLOR1		0x00040000
-#define CG6_FBC_MODE_HRMONO		0x00060000
-#define CG6_FBC_MODE_MASK		0x00060000
-
-#define CG6_FBC_DRAW_IGNORE		0x00000000
-#define CG6_FBC_DRAW_RENDER		0x00008000
-#define CG6_FBC_DRAW_PICK		0x00010000
-#define CG6_FBC_DRAW_ILLEGAL		0x00018000
-#define CG6_FBC_DRAW_MASK		0x00018000
-
-#define CG6_FBC_BWRITE0_IGNORE		0x00000000
-#define CG6_FBC_BWRITE0_ENABLE		0x00002000
-#define CG6_FBC_BWRITE0_DISABLE		0x00004000
-#define CG6_FBC_BWRITE0_ILLEGAL		0x00006000
-#define CG6_FBC_BWRITE0_MASK		0x00006000
-
-#define CG6_FBC_BWRITE1_IGNORE		0x00000000
-#define CG6_FBC_BWRITE1_ENABLE		0x00000800
-#define CG6_FBC_BWRITE1_DISABLE		0x00001000
-#define CG6_FBC_BWRITE1_ILLEGAL		0x00001800
-#define CG6_FBC_BWRITE1_MASK		0x00001800
-
-#define CG6_FBC_BREAD_IGNORE		0x00000000
-#define CG6_FBC_BREAD_0			0x00000200
-#define CG6_FBC_BREAD_1			0x00000400
-#define CG6_FBC_BREAD_ILLEGAL		0x00000600
-#define CG6_FBC_BREAD_MASK		0x00000600
-
-#define CG6_FBC_BDISP_IGNORE		0x00000000
-#define CG6_FBC_BDISP_0			0x00000080
-#define CG6_FBC_BDISP_1			0x00000100
-#define CG6_FBC_BDISP_ILLEGAL		0x00000180
-#define CG6_FBC_BDISP_MASK		0x00000180
-
-#define CG6_FBC_INDEX_MOD		0x00000040
-#define CG6_FBC_INDEX_MASK		0x00000030
-
-/* THC definitions */
-#define CG6_THC_MISC_REV_SHIFT       16
-#define CG6_THC_MISC_REV_MASK        15
-#define CG6_THC_MISC_RESET           (1 << 12)
-#define CG6_THC_MISC_VIDEO           (1 << 10)
-#define CG6_THC_MISC_SYNC            (1 << 9)
-#define CG6_THC_MISC_VSYNC           (1 << 8)
-#define CG6_THC_MISC_SYNC_ENAB       (1 << 7)
-#define CG6_THC_MISC_CURS_RES        (1 << 6)
-#define CG6_THC_MISC_INT_ENAB        (1 << 5)
-#define CG6_THC_MISC_INT             (1 << 4)
-#define CG6_THC_MISC_INIT            0x9f
-
-/* The contents are unknown */
-struct cg6_tec {
-	volatile int tec_matrix;
-	volatile int tec_clip;
-	volatile int tec_vdc;
-};
-
-struct cg6_thc {
-        uint thc_pad0[512];
-	volatile uint thc_hs;		/* hsync timing */
-	volatile uint thc_hsdvs;
-	volatile uint thc_hd;
-	volatile uint thc_vs;		/* vsync timing */
-	volatile uint thc_vd;
-	volatile uint thc_refresh;
-	volatile uint thc_misc;
-	uint thc_pad1[56];
-	volatile uint thc_cursxy;	/* cursor x,y position (16 bits each) */
-	volatile uint thc_cursmask[32];	/* cursor mask bits */
-	volatile uint thc_cursbits[32];	/* what to show where mask enabled */
-};
-
-struct cg6_fbc {
-	u32		xxx0[1];
-	volatile u32	mode;
-	volatile u32	clip;
-	u32		xxx1[1];	    
-	volatile u32	s;
-	volatile u32	draw;
-	volatile u32	blit;
-	volatile u32	font;
-	u32		xxx2[24];
-	volatile u32	x0, y0, z0, color0;
-	volatile u32	x1, y1, z1, color1;
-	volatile u32	x2, y2, z2, color2;
-	volatile u32	x3, y3, z3, color3;
-	volatile u32	offx, offy;
-	u32		xxx3[2];
-	volatile u32	incx, incy;
-	u32		xxx4[2];
-	volatile u32	clipminx, clipminy;
-	u32		xxx5[2];
-	volatile u32	clipmaxx, clipmaxy;
-	u32		xxx6[2];
-	volatile u32	fg;
-	volatile u32	bg;
-	volatile u32	alu;
-	volatile u32	pm;
-	volatile u32	pixelm;
-	u32		xxx7[2];
-	volatile u32	patalign;
-	volatile u32	pattern[8];
-	u32		xxx8[432];
-	volatile u32	apointx, apointy, apointz;
-	u32		xxx9[1];
-	volatile u32	rpointx, rpointy, rpointz;
-	u32		xxx10[5];
-	volatile u32	pointr, pointg, pointb, pointa;
-	volatile u32	alinex, aliney, alinez;
-	u32		xxx11[1];
-	volatile u32	rlinex, rliney, rlinez;
-	u32		xxx12[5];
-	volatile u32	liner, lineg, lineb, linea;
-	volatile u32	atrix, atriy, atriz;
-	u32		xxx13[1];
-	volatile u32	rtrix, rtriy, rtriz;
-	u32		xxx14[5];
-	volatile u32	trir, trig, trib, tria;
-	volatile u32	aquadx, aquady, aquadz;
-	u32		xxx15[1];
-	volatile u32	rquadx, rquady, rquadz;
-	u32		xxx16[5];
-	volatile u32	quadr, quadg, quadb, quada;
-	volatile u32	arectx, arecty, arectz;
-	u32		xxx17[1];
-	volatile u32	rrectx, rrecty, rrectz;
-	u32		xxx18[5];
-	volatile u32	rectr, rectg, rectb, recta;
-};
-
-static void
-cg6_restore_palette (fbinfo_t *fbinfo)
-{
-	volatile struct bt_regs *bt;
-
-	bt = fbinfo->info.cg6.bt;
-	bt->addr = 0;
-	bt->color_map = 0xffffffff;
-	bt->color_map = 0xffffffff;
-	bt->color_map = 0xffffffff;
-}
-
-static void cg6_blitc(unsigned short, int, int);
-static void cg6_setw(int, int, unsigned short, int);
-static void cg6_cpyw(int, int, unsigned short *, int);
-
-#if 0
-static void cg6_fill(int, int, int *);
-#endif
-
-/* Ugh: X wants to mmap a bunch of cute stuff at the same time :-( */
-/* So, we just mmap the things that are being asked for */
-static int
-cg6_mmap (struct inode *inode, struct file *file, struct vm_area_struct *vma,
-	  long base, fbinfo_t *fb)
-{
-	uint size, page, r, map_size;
-	unsigned long map_offset = 0;
-
-	size = vma->vm_end - vma->vm_start;
-        if (vma->vm_offset & ~PAGE_MASK)
-                return -ENXIO;
-
-#ifdef __sparc_v9__
-	/* Try to align RAM */
-#define ALIGNMENT 0x80000
-	map_offset = vma->vm_offset + size;
-	if (vma->vm_offset <= CG6_RAM && map_offset >= CG6_RAM + fb->type.fb_size) {
-		struct vm_area_struct *vmm = find_vma(current->mm, vma->vm_start);
-		int alignment = ALIGNMENT - ((vma->vm_start + CG6_RAM - vma->vm_offset) & (ALIGNMENT - 1));
-		int sz = 0, fbsz; 
-
-		if (alignment == ALIGNMENT) alignment = 0;
-		fbsz = ((fb->type.fb_size + ALIGNMENT - 1) & ~(ALIGNMENT - 1));
-		if (map_offset < CG6_RAM + fbsz)
-			sz = fbsz - map_offset + CG6_RAM;
-		if ((sz || alignment) && (!vmm || vmm->vm_start >= vma->vm_end + sz + alignment)) {
-			vma->vm_start += alignment;
-			vma->vm_end += alignment + sz;
-		}
-	}
-#undef ALIGNMENT
-#endif	
-
-	/* To stop the swapper from even considering these pages */
-	vma->vm_flags |= FB_MMAP_VM_FLAGS;
-	
-	/* Each page, see which map applies */
-	for (page = 0; page < size; ){
-		switch (vma->vm_offset+page){
-		case CG6_TEC:
-			map_size = PAGE_SIZE;
-			map_offset = get_phys ((unsigned long)fb->info.cg6.tec) & PAGE_MASK;
-			break;
-		case CG6_FBC:
-			map_size = PAGE_SIZE;
-			map_offset = get_phys ((unsigned long)fb->info.cg6.fbc);
-			break;
-		case CG6_FHC:
-			map_size = PAGE_SIZE;
-			map_offset = get_phys ((unsigned long)fb->info.cg6.fhc);
-			break;
-		case CG6_THC:
-			map_size = PAGE_SIZE;
-			map_offset = get_phys ((unsigned long)fb->info.cg6.thc) & PAGE_MASK;
-			break;
-		case CG6_BTREGS:
-			map_size = PAGE_SIZE;
-			map_offset = get_phys ((unsigned long)fb->info.cg6.bt);
-			break;
-
-		/* For Ultra, make sure the following two are right.
-		 * The above two happen to work out (for example FBC and
-		 * TEC will get mapped by one I/O page mapping because
-		 * of the 8192 byte page size, same for FHC/THC.  -DaveM
-		 */
-
-		case CG6_DHC:
-			map_size = /* PAGE_SIZE * 40 */ (4096 * 40);
-			map_offset = get_phys ((unsigned long)fb->info.cg6.dhc);
-			break;
-		case CG6_ROM:
-			map_size = /* PAGE_SIZE * 16 */ (4096 * 16);
-			map_offset = get_phys ((unsigned long)fb->info.cg6.rom);
-			break;
-		case CG6_RAM:
-			map_size = size-page;
-			map_offset = get_phys ((unsigned long) fb->base);
-			if (map_size < fb->type.fb_size)
-				map_size = fb->type.fb_size;
-			break;
-		default:
-			map_size = 0;
-			break;
-		}
-		if (!map_size){
-			page += PAGE_SIZE;
-			continue;
-		}
-		if (page + map_size > size)
-			map_size = size - page;
-		r = io_remap_page_range (vma->vm_start+page,
-					 map_offset,
-					 map_size, vma->vm_page_prot,
-					 fb->space);
-		if (r)
-			return -EAGAIN;
-		page += map_size;
-	}
-
-	vma->vm_file = file;
-	file->f_count++;
-        return 0;
-}
-
-static void
-cg6_loadcmap (fbinfo_t *fb, int index, int count)
-{
-	struct bt_regs *bt = fb->info.cg6.bt;
-	int i;
-	
-	bt->addr = index << 24;
-	for (i = index; count--; i++){
-		bt->color_map = fb->color_map CM(i,0) << 24;
-		bt->color_map = fb->color_map CM(i,1) << 24;
-		bt->color_map = fb->color_map CM(i,2) << 24;
-	}
-}
-
-static void
-cg6_setcursormap (fbinfo_t *fb, unsigned char *red,
-				 unsigned char *green,
-				 unsigned char *blue)
-{
-	struct bt_regs *bt = fb->info.cg6.bt;
-	
-	bt->addr = 1 << 24;
-	bt->cursor = red[0] << 24;
-	bt->cursor = green[0] << 24;
-	bt->cursor = blue[0] << 24;
-	bt->addr = 3 << 24;
-	bt->cursor = red[1] << 24;
-	bt->cursor = green[1] << 24;
-	bt->cursor = blue[1] << 24;
-}
-
-/* Load cursor information */
-static void
-cg6_setcursor (fbinfo_t *fb)
-{
-	uint v;
-	struct cg_cursor *c = &fb->cursor;
-
-	if (c->enable){
-		v = ((c->cpos.fbx - c->chot.fbx) << 16)
-		   |((c->cpos.fby - c->chot.fby) & 0xffff);
-	} else {
-		/* Magic constant to turn off the cursor */
-		v = ((65536-32) << 16) | (65536-32);
-	}
-	fb->info.cg6.thc->thc_cursxy = v;
-}
-
-/* Set cursor shape */
-static void
-cg6_setcurshape (fbinfo_t *fb)
-{
-	struct cg6_thc *thc = fb->info.cg6.thc;
-	int i;
-
-        for (i = 0; i < 32; i++){
-                thc->thc_cursmask [i] = fb->cursor.bits[0][i];
-                thc->thc_cursbits [i] = fb->cursor.bits[1][i];
-        }
-}
-
-static void
-cg6_blank (fbinfo_t *fb)
-{
-	fb->info.cg6.thc->thc_misc &= ~CG6_THC_MISC_VIDEO;
-	/* This should put us in power-save */
-	fb->info.cg6.thc->thc_misc &= ~CG6_THC_MISC_SYNC_ENAB;
-}
-
-static void
-cg6_unblank (fbinfo_t *fb)
-{
-	fb->info.cg6.thc->thc_misc |= CG6_THC_MISC_SYNC_ENAB;
-	fb->info.cg6.thc->thc_misc |= CG6_THC_MISC_VIDEO;
-}
-
-void
-cg6_reset (fbinfo_t *fb)
-{
-	struct cg6_info *cg6 = &(fb->info.cg6);
-	unsigned int rev, conf;
-
-	if (fb == &fbinfo[0])
-		sbus_hw_hide_cursor ();
-	/* Turn off stuff in the Transform Engine. */
-	cg6->tec->tec_matrix = 0;
-	cg6->tec->tec_clip = 0;
-	cg6->tec->tec_vdc = 0;
-
-	/* Take care of bugs in old revisions. */
-	rev = (*(cg6->fhc) >> CG6_FHC_REV_SHIFT) & CG6_FHC_REV_MASK;
-	if (rev < 5) {
-		conf = (*(cg6->fhc) & CG6_FHC_RES_MASK) |
-			CG6_FHC_CPU_68020 | CG6_FHC_TEST |
-			(11 << CG6_FHC_TEST_X_SHIFT) |
-			(11 << CG6_FHC_TEST_Y_SHIFT);
-		if (rev < 2)
-			conf |= CG6_FHC_DST_DISABLE;
-		*(cg6->fhc) = conf;
-	}
-
-	/* Set things in the FBC. */
-	cg6->fbc->mode &= ~(CG6_FBC_BLIT_MASK | CG6_FBC_MODE_MASK |
-			    CG6_FBC_DRAW_MASK | CG6_FBC_BWRITE0_MASK |
-			    CG6_FBC_BWRITE1_MASK | CG6_FBC_BREAD_MASK |
-			    CG6_FBC_BDISP_MASK);
-	cg6->fbc->mode |= (CG6_FBC_BLIT_SRC | CG6_FBC_MODE_COLOR8 |
-			   CG6_FBC_DRAW_RENDER | CG6_FBC_BWRITE0_ENABLE |
-			   CG6_FBC_BWRITE1_DISABLE | CG6_FBC_BREAD_0 |
-			   CG6_FBC_BDISP_0);
-	cg6->fbc->clip = 0;
-	cg6->fbc->offx = 0;
-	cg6->fbc->offy = 0;
-	cg6->fbc->clipminx = 0;
-	cg6->fbc->clipminy = 0;
-	cg6->fbc->clipmaxx = fb->type.fb_width - 1;
-	cg6->fbc->clipmaxy = fb->type.fb_height - 1;
-	/* Enable cursor in Brooktree DAC. */
-	cg6->bt->addr = 0x06 << 24;
-	cg6->bt->control |= 0x03 << 24;
-}
-
-__initfunc(void cg6_setup (fbinfo_t *fb, int slot, u32 cg6, int cg6_io))
-{
-	struct cg6_info *cg6info;
-	unsigned int rev, cpu, conf;
-
-	printk ("cgsix%d at 0x%8.8x ", slot, cg6);
-	
-	/* Fill in parameters we left out */
-	fb->type.fb_cmsize = 256;
-	fb->mmap = cg6_mmap;
-	fb->loadcmap = cg6_loadcmap;
-	fb->reset = cg6_reset;
-	fb->blank = cg6_blank;
-	fb->unblank = cg6_unblank;
-	fb->setcursor = cg6_setcursor;
-	fb->setcursormap = cg6_setcursormap;
-	fb->setcurshape = cg6_setcurshape;
-	fb->postsetup = cg_postsetup;
-	fb->blitc = cg6_blitc;
-	fb->setw = cg6_setw;
-	fb->cpyw = cg6_cpyw;
-	
-	cg6info = (struct cg6_info *) &fb->info.cg6;
-
-	/* Map the hardware registers */
-	cg6info->bt = sparc_alloc_io (cg6+CG6_BROOKTREE_OFFSET, 0,
-		 sizeof (struct bt_regs), "cgsix_dac", cg6_io, 0);
-	cg6info->fhc = sparc_alloc_io (cg6+CG6_FHC_OFFSET, 0,
-		 sizeof (int), "cgsix_fhc", cg6_io, 0);
-#if PAGE_SHIFT <= 12		 
-	cg6info->thc = sparc_alloc_io (cg6+CG6_THC_OFFSET, 0,
-		 sizeof (struct cg6_thc), "cgsix_thc", cg6_io, 0);
-#else
-	cg6info->thc = (struct cg6_thc *)(((char *)cg6info->fhc)+0x1000);
-#endif
-	cg6info->fbc = sparc_alloc_io (cg6+CG6_FBC_OFFSET, 0,
-		 0x1000, "cgsix_fbc", cg6_io, 0);
-#if PAGE_SHIFT <= 12		 
-	cg6info->tec = sparc_alloc_io (cg6+CG6_TEC_OFFSET, 0,
-		 sizeof (struct cg6_tec), "cgsix_tec", cg6_io, 0);
-#else
-	cg6info->tec = (struct cg6_tec *)(((char *)cg6info->fbc)+0x1000);
-#endif
-	cg6info->dhc = sparc_alloc_io (cg6+CG6_DHC_OFFSET, 0,
-		 0x40000, "cgsix_dhc", cg6_io, 0);
-	cg6info->rom = sparc_alloc_io (cg6+CG6_ROM_OFFSET, 0,
-		 0x10000, "cgsix_rom", cg6_io, 0);
-	if (!fb->base) {
-		fb->base = (unsigned long)
-			sparc_alloc_io (cg6+CG6_RAM_OFFSET, 0,
-					fb->type.fb_size, "cgsix_ram", cg6_io, 0);
-	}
-	if (slot == sun_prom_console_id)
-		fb_restore_palette = cg6_restore_palette;
-
-	/* Initialize Brooktree DAC */
-	cg6info->bt->addr = 0x04 << 24;		/* color planes */
-	cg6info->bt->control = 0xff << 24;
-	cg6info->bt->addr = 0x05 << 24;
-	cg6info->bt->control = 0x00 << 24;
-	cg6info->bt->addr = 0x06 << 24;		/* overlay plane */
-	cg6info->bt->control = 0x73 << 24;
-	cg6info->bt->addr = 0x07 << 24;
-	cg6info->bt->control = 0x00 << 24;
-
-#ifdef __sparc_v9__	
-	printk("VA %016lx ", fb->base);
-#endif
-
-	printk("TEC Rev %x ",
-		(cg6info->thc->thc_misc >> CG6_THC_MISC_REV_SHIFT) &
-		CG6_THC_MISC_REV_MASK);
-		
-	/* Get FHC Revision */
-	conf = *(cg6info->fhc);
-
-	cpu = conf & CG6_FHC_CPU_MASK;
-	printk("CPU ");
-	if (cpu == CG6_FHC_CPU_SPARC)
-		printk("sparc ");
-	else if (cpu == CG6_FHC_CPU_68020)
-		printk("68020 ");
-	else
-		printk("386 ");
-
-	rev = conf >> CG6_FHC_REV_SHIFT & CG6_FHC_REV_MASK;
-	printk("Rev %x\n", rev);
-
-	if (slot && sun_prom_console_id == slot)
-		return;
-
-	/* Reset the cg6 */
-	cg6_reset(fb);
-	
-	if (!slot) {
-		/* Enable Video */
-		cg6_unblank(fb);
-	} else {
-		cg6_blank(fb);
-	}
-}
-
-extern unsigned char vga_font[];
-
-#define GX_BLITC_START(attr) \
-	{ \
-		register struct cg6_fbc *gx = fbinfo[0].info.cg6.fbc; \
-		register uint i; \
-		do { \
-			i = gx->s; \
-		} while (i & 0x10000000); \
-		gx->fg = attr & 0xf; \
-		gx->bg = (attr>>4); \
-		gx->mode = 0x140000; \
-		gx->alu = 0xe880fc30; \
-		gx->pixelm = ~(0); \
-		gx->s = 0; \
-		gx->clip = 0; \
-		gx->pm = 0xff;
-#define GX_BLITC_BODY4(count,x,y,start,action) \
-		while (count >= 4) { \
-			count -= 4; \
-		    	gx->incx = 0; \
-		    	gx->incy = 1; \
-		    	gx->x0 = x; \
-		    	gx->x1 = (x += 32) - 1; \
-		    	gx->y0 = y; \
-		    	start; \
-		    	for (i = 0; i < CHAR_HEIGHT; i++) { \
-		    		action; \
-		    	} \
-		}
-#define GX_BLITC_BODY1(x,y,action) \
-		    	gx->incx = 0; \
-		    	gx->incy = 1; \
-		    	gx->x0 = x; \
-		    	gx->x1 = (x += 8) - 1; \
-		    	gx->y0 = y; \
-		    	for (i = 0; i < CHAR_HEIGHT; i++) { \
-		    		action; \
-		    	}
-#define GX_BLITC_END \
-	}
-	
-static void cg6_blitc(unsigned short charattr, int xoff, int yoff)
-{
-	unsigned char attrib = CHARATTR_TO_SUNCOLOR(charattr);
-	unsigned char *p = &vga_font[((unsigned char)charattr) << 4];
-	GX_BLITC_START(attrib)
-	GX_BLITC_BODY1(xoff, yoff, gx->font=((*p++) << 24))
-	GX_BLITC_END
-}
-
-static void cg6_setw(int xoff, int yoff, unsigned short c, int count)
-{
-	unsigned char attrib = CHARATTR_TO_SUNCOLOR(c);
-	unsigned char *p = &vga_font[((unsigned char)c) << 4];
-	register unsigned char *q;
-	register uint l;
-	GX_BLITC_START(attrib)
-	if (count >= 4) {
-		GX_BLITC_BODY4(count, xoff, yoff, q = p, 
-			l = *q++;
-			l |= l << 8;
-			l |= l << 16;
-			gx->font=l)
-	}
-	while (count) {
-		count--;
-		q = p;
-		GX_BLITC_BODY1(xoff, yoff, gx->font=((*q++) << 24));
-	}
-	GX_BLITC_END
-}
-
-static void cg6_cpyw(int xoff, int yoff, unsigned short *p, int count)
-{
-	unsigned char attrib = CHARATTR_TO_SUNCOLOR(*p);
-	unsigned char *p1, *p2, *p3, *p4;
-	GX_BLITC_START(attrib)
-	if (count >= 4) {
-		GX_BLITC_BODY4(count, xoff, yoff, 
-			p1 = &vga_font[((unsigned char)*p++) << 4];
-			p2 = &vga_font[((unsigned char)*p++) << 4];
-			p3 = &vga_font[((unsigned char)*p++) << 4];
-			p4 = &vga_font[((unsigned char)*p++) << 4], 
-			gx->font=((uint)*p4++) | ((((uint)*p3++) | ((((uint)*p2++) | (((uint)*p1++) << 8)) << 8)) << 8))
-	}
-	while (count) {
-		count--;
-		p1 = &vga_font[((unsigned char)*p++) << 4];
-		GX_BLITC_BODY1(xoff, yoff, gx->font=((*p1++) << 24));
-	}
-	GX_BLITC_END
-}
-
-#define GX_FILL_START(attr) \
-	{ \
-		register struct cg6_fbc *gx = fbinfo[0].info.cg6.fbc; \
-		register uint i; \
-		do { \
-			i = gx->s; \
-		} while (i & 0x10000000); \
-		gx->fg = attr & 0xf; \
-		gx->bg = 0; \
-		gx->pixelm = ~(0); \
-		gx->s = 0; \
-		gx->alu = 0xea80ff00; \
-		gx->pm = ~(0); \
-		gx->clip = 0;
-#define GX_FILL_END \
-	}
-	
-#if 0
-static void cg6_fill(int attrib, int count, int *boxes)
-{
-	register int r;
-	
-	attrib = 5;
-	GX_FILL_START(attrib)
-	while (count-- > 0) {
-		gx->arecty = boxes[1];
-		gx->arectx = boxes[0];
-		gx->arecty = boxes[3];
-		gx->arecty = boxes[2];
-		boxes += 4;
-		do {
-			r = gx->draw;
-		} while (r < 0 && (r & 0x20000000) );
-	}
-	GX_FILL_END
-}
-#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov