patch-2.3.48 linux/drivers/video/matrox/matroxfb_misc.c

• Lines: 661
• Date: Mon Feb 21 11:08:22 2000
• Orig file: v2.3.47/linux/drivers/video/matrox/matroxfb_misc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/drivers/video/matrox/matroxfb_misc.c linux/drivers/video/matrox/matroxfb_misc.c
@@ -0,0 +1,660 @@
+/*
+ *
+ * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
+ *
+ * (c) 1998,1999,2000 Petr Vandrovec <vandrove@vc.cvut.cz>
+ *
+ * Version: 1.21 2000/01/09
+ *
+ * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
+ *
+ * Contributors: "menion?" <menion@mindless.com>
+ *                     Betatesting, fixes, ideas
+ *
+ *               "Kurt Garloff" <garloff@kg1.ping.de>
+ *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
+ *
+ *               "Tom Rini" <trini@kernel.crashing.org>
+ *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
+ *
+ *               "Bibek Sahu" <scorpio@dodds.net>
+ *                     Access device through readb|w|l and write b|w|l
+ *                     Extensive debugging stuff
+ *
+ *               "Daniel Haun" <haund@usa.net>
+ *                     Testing, hardware cursor fixes
+ *
+ *               "Scott Wood" <sawst46+@pitt.edu>
+ *                     Fixes
+ *
+ *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
+ *                     Betatesting
+ *
+ *               "Kelly French" <targon@hazmat.com>
+ *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
+ *                     Betatesting, bug reporting
+ *
+ *               "Pablo Bianucci" <pbian@pccp.com.ar>
+ *                     Fixes, ideas, betatesting
+ *
+ *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
+ *                     Fixes, enhandcements, ideas, betatesting
+ *
+ *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
+ *                     PPC betatesting, PPC support, backward compatibility
+ *
+ *               "Paul Womar" <Paul@pwomar.demon.co.uk>
+ *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
+ *                     PPC betatesting
+ *
+ *               "Thomas Pornin" <pornin@bolet.ens.fr>
+ *                     Alpha betatesting
+ *
+ *               "Pieter van Leuven" <pvl@iae.nl>
+ *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
+ *                     G100 testing
+ *
+ *               "H. Peter Arvin" <hpa@transmeta.com>
+ *                     Ideas
+ *
+ *               "Cort Dougan" <cort@cs.nmt.edu>
+ *                     CHRP fixes and PReP cleanup
+ *
+ *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
+ *                     G400 support
+ *
+ * (following author is not in any relation with this code, but his code
+ *  is included in this driver)
+ *
+ * Based on framebuffer driver for VBE 2.0 compliant graphic boards
+ *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
+ *
+ * (following author is not in any relation with this code, but his ideas
+ *  were used when writting this driver)
+ *
+ *		 FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
+ *
+ */
+
+/* make checkconfig does not check includes for this... */
+#include <linux/config.h>
+
+#include "matroxfb_misc.h"
+#include <linux/interrupt.h>
+#include <linux/matroxfb.h>
+
+void matroxfb_createcursorshape(WPMINFO struct display* p, int vmode) {
+	unsigned int h;
+	unsigned int cu, cd;
+
+	h = fontheight(p);
+
+	if (vmode & FB_VMODE_DOUBLE)
+		h *= 2;
+	cd = h;
+	if (cd >= 10)
+		cd--;
+	switch (ACCESS_FBINFO(cursor.type) = (p->conp->vc_cursor_type & CUR_HWMASK)) {
+		case CUR_NONE:
+				cu = cd;
+				break;
+		case CUR_UNDERLINE:
+				cu = cd - 2;
+				break;
+		case CUR_LOWER_THIRD:
+				cu = (h * 2) / 3;
+				break;
+		case CUR_LOWER_HALF:
+				cu = h / 2;
+				break;
+		case CUR_TWO_THIRDS:
+				cu = h / 3;
+				break;
+		case CUR_BLOCK:
+		default:
+				cu = 0;
+				cd = h;
+				break;
+	}
+	ACCESS_FBINFO(cursor.w) = fontwidth(p);
+	ACCESS_FBINFO(cursor.u) = cu;
+	ACCESS_FBINFO(cursor.d) = cd;
+}
+
+void matroxfb_DAC_out(CPMINFO int reg, int val) {
+	DBG_REG("outDAC");
+	mga_outb(M_RAMDAC_BASE+M_X_INDEX, reg);
+	mga_outb(M_RAMDAC_BASE+M_X_DATAREG, val);
+}
+
+int matroxfb_DAC_in(CPMINFO int reg) {
+	DBG_REG("inDAC");
+	mga_outb(M_RAMDAC_BASE+M_X_INDEX, reg);
+	return mga_inb(M_RAMDAC_BASE+M_X_DATAREG);
+}
+
+void matroxfb_var2my(struct fb_var_screeninfo* var, struct my_timming* mt) {
+	unsigned int pixclock = var->pixclock;
+
+	DBG("var2my")
+
+	if (!pixclock) pixclock = 10000;	/* 10ns = 100MHz */
+	mt->pixclock = 1000000000 / pixclock;
+	if (mt->pixclock < 1) mt->pixclock = 1;
+	mt->dblscan = var->vmode & FB_VMODE_DOUBLE;
+	mt->interlaced = var->vmode & FB_VMODE_INTERLACED;
+	mt->HDisplay = var->xres;
+	mt->HSyncStart = mt->HDisplay + var->right_margin;
+	mt->HSyncEnd = mt->HSyncStart + var->hsync_len;
+	mt->HTotal = mt->HSyncEnd + var->left_margin;
+	mt->VDisplay = var->yres;
+	mt->VSyncStart = mt->VDisplay + var->lower_margin;
+	mt->VSyncEnd = mt->VSyncStart + var->vsync_len;
+	mt->VTotal = mt->VSyncEnd + var->upper_margin;
+	mt->sync = var->sync;
+}
+
+int matroxfb_PLL_calcclock(const struct matrox_pll_features* pll, unsigned int freq, unsigned int fmax,
+		unsigned int* in, unsigned int* feed, unsigned int* post) {
+	unsigned int bestdiff = ~0;
+	unsigned int bestvco = 0;
+	unsigned int fxtal = pll->ref_freq;
+	unsigned int fwant;
+	unsigned int p;
+
+	DBG("PLL_calcclock")
+
+	fwant = freq;
+
+#ifdef DEBUG
+	printk(KERN_ERR "post_shift_max: %d\n", pll->post_shift_max);
+	printk(KERN_ERR "ref_freq: %d\n", pll->ref_freq);
+	printk(KERN_ERR "freq: %d\n", freq);
+	printk(KERN_ERR "vco_freq_min: %d\n", pll->vco_freq_min);
+	printk(KERN_ERR "in_div_min: %d\n", pll->in_div_min);
+	printk(KERN_ERR "in_div_max: %d\n", pll->in_div_max);
+	printk(KERN_ERR "feed_div_min: %d\n", pll->feed_div_min);
+	printk(KERN_ERR "feed_div_max: %d\n", pll->feed_div_max);
+	printk(KERN_ERR "fmax: %d\n", fmax);
+#endif
+	for (p = 1; p <= pll->post_shift_max; p++) {
+		if (fwant * 2 > fmax)
+			break;
+		fwant *= 2;
+	}
+	if (fwant < pll->vco_freq_min) fwant = pll->vco_freq_min;
+	if (fwant > fmax) fwant = fmax;
+	for (; p-- > 0; fwant >>= 1, bestdiff >>= 1) {
+		unsigned int m;
+
+		if (fwant < pll->vco_freq_min) break;
+		for (m = pll->in_div_min; m <= pll->in_div_max; m++) {
+			unsigned int diff, fvco;
+			unsigned int n;
+
+			n = (fwant * (m + 1) + (fxtal >> 1)) / fxtal - 1;
+			if (n > pll->feed_div_max)
+				break;
+			if (n < pll->feed_div_min)
+				n = pll->feed_div_min;
+			fvco = (fxtal * (n + 1)) / (m + 1);
+			if (fvco < fwant)
+				diff = fwant - fvco;
+			else
+				diff = fvco - fwant;
+			if (diff < bestdiff) {
+				bestdiff = diff;
+				*post = p;
+				*in = m;
+				*feed = n;
+				bestvco = fvco;
+			}
+		}
+	}
+	dprintk(KERN_ERR "clk: %02X %02X %02X %d %d %d\n", *in, *feed, *post, fxtal, bestvco, fwant);
+	return bestvco;
+}
+
+int matroxfb_vgaHWinit(CPMINFO struct matrox_hw_state* hw, struct my_timming* m, struct display* p) {
+	unsigned int hd, hs, he, hbe, ht;
+	unsigned int vd, vs, ve, vt;
+	unsigned int wd;
+	unsigned int divider;
+	int i;
+	int text = p->type == FB_TYPE_TEXT;
+	int fwidth;
+
+	if (text) {
+		fwidth = fontwidth(p);
+		if (!fwidth) fwidth = 8;
+	} else
+		fwidth = 8;
+
+	DBG("vgaHWinit")
+
+	hw->SEQ[0] = 0x00;
+	if (fwidth == 9)
+		hw->SEQ[1] = 0x00;
+	else
+		hw->SEQ[1] = 0x01;	/* or 0x09 */
+	hw->SEQ[2] = 0x0F;	/* bitplanes */
+	hw->SEQ[3] = 0x00;
+	if (text)
+		hw->SEQ[4] = 0x02;
+	else
+		hw->SEQ[4] = 0x0E;
+	/* CRTC 0..7, 9, 16..19, 21, 22 are reprogrammed by Matrox Millennium code... Hope that by MGA1064 too */
+	if (m->dblscan) {
+		m->VTotal <<= 1;
+		m->VDisplay <<= 1;
+		m->VSyncStart <<= 1;
+		m->VSyncEnd <<= 1;
+	}
+	if (m->interlaced) {
+		m->VTotal >>= 1;
+		m->VDisplay >>= 1;
+		m->VSyncStart >>= 1;
+		m->VSyncEnd >>= 1;
+	}
+
+	/* GCTL is ignored when not using 0xA0000 aperture */
+	hw->GCTL[0] = 0x00;
+	hw->GCTL[1] = 0x00;
+	hw->GCTL[2] = 0x00;
+	hw->GCTL[3] = 0x00;
+	hw->GCTL[4] = 0x00;
+	if (text) {
+		hw->GCTL[5] = 0x10;
+		hw->GCTL[6] = 0x02;
+	} else {
+		hw->GCTL[5] = 0x40;
+		hw->GCTL[6] = 0x05;
+	}
+	hw->GCTL[7] = 0x0F;
+	hw->GCTL[8] = 0xFF;
+
+	/* Whole ATTR is ignored in PowerGraphics mode */
+	for (i = 0; i < 16; i++)
+		hw->ATTR[i] = i;
+	if (text) {
+		hw->ATTR[16] = 0x04;
+	} else {
+		hw->ATTR[16] = 0x41;
+	}
+	hw->ATTR[17] = 0xFF;
+	hw->ATTR[18] = 0x0F;
+	if (fwidth == 9)
+		hw->ATTR[19] = 0x08;
+	else
+		hw->ATTR[19] = 0x00;
+	hw->ATTR[20] = 0x00;
+
+	if (text) {
+		hd = m->HDisplay / fwidth;
+		hs = m->HSyncStart / fwidth;
+		he = m->HSyncEnd / fwidth;
+		ht = m->HTotal / fwidth;
+		divider = 8;
+	} else {
+		hd = m->HDisplay >> 3;
+		hs = m->HSyncStart >> 3;
+		he = m->HSyncEnd >> 3;
+		ht = m->HTotal >> 3;
+		/* standard timmings are in 8pixels, but for interleaved we cannot */
+		/* do it for 4bpp (because of (4bpp >> 1(interleaved))/4 == 0) */
+		/* using 16 or more pixels per unit can save us */
+		divider = ACCESS_FBINFO(curr.final_bppShift);
+	}
+	while (divider & 3) {
+		hd >>= 1;
+		hs >>= 1;
+		he >>= 1;
+		ht >>= 1;
+		divider <<= 1;
+	}
+	divider = divider / 4;
+	/* divider can be from 1 to 8 */
+	while (divider > 8) {
+		hd <<= 1;
+		hs <<= 1;
+		he <<= 1;
+		ht <<= 1;
+		divider >>= 1;
+	}
+	hd = hd - 1;
+	hs = hs - 1;
+	he = he - 1;
+	ht = ht - 1;
+	vd = m->VDisplay - 1;
+	vs = m->VSyncStart - 1;
+	ve = m->VSyncEnd - 1;
+	vt = m->VTotal - 2;
+	/* G200 cannot work with (ht & 7) == 6 */
+	if (((ht & 0x07) == 0x06) || ((ht & 0x0F) == 0x04))
+		ht++;
+	if (text) {
+		hbe = ht - 1;
+		wd = p->var.xres_virtual / (fwidth * 2);
+	} else {
+		hbe = ht;
+		wd = p->var.xres_virtual * ACCESS_FBINFO(curr.final_bppShift) / 64;
+	}
+
+	hw->CRTCEXT[0] = 0;
+	hw->CRTCEXT[5] = 0;
+	if (m->interlaced) {
+		hw->CRTCEXT[0] = 0x80;
+		hw->CRTCEXT[5] = (hs + he - ht) >> 1;
+		if (!m->dblscan)
+			wd <<= 1;
+		vt &= ~1;
+	}
+	hw->CRTCEXT[0] |=  (wd & 0x300) >> 4;
+	hw->CRTCEXT[1] = (((ht - 4) & 0x100) >> 8) |
+			  ((hd      & 0x100) >> 7) | /* blanking */
+			  ((hs      & 0x100) >> 6) | /* sync start */
+			   (hbe     & 0x040);	 /* end hor. blanking */
+	if (ACCESS_FBINFO(output.ph) & MATROXFB_OUTPUT_CONN_SECONDARY)
+		hw->CRTCEXT[1] |= 0x88;		/* enable horizontal and vertical vidrst */
+	hw->CRTCEXT[2] =  ((vt & 0xC00) >> 10) |
+			  ((vd & 0x400) >>  8) |	/* disp end */
+			  ((vd & 0xC00) >>  7) |	/* vblanking start */
+			  ((vs & 0xC00) >>  5);
+	if (text)
+		hw->CRTCEXT[3] = 0x00;
+	else
+		hw->CRTCEXT[3] = (divider - 1) | 0x80;
+	hw->CRTCEXT[4] = 0;
+
+	hw->CRTC[0] = ht-4;
+	hw->CRTC[1] = hd;
+	hw->CRTC[2] = hd;
+	hw->CRTC[3] = (hbe & 0x1F) | 0x80;
+	hw->CRTC[4] = hs;
+	hw->CRTC[5] = ((hbe & 0x20) << 2) | (he & 0x1F);
+	if (text)
+		hw->CRTC[5] |= 0x60;	/* delay sync for 3 clocks (to same picture position on MGA and VGA) */
+	hw->CRTC[6] = vt & 0xFF;
+	hw->CRTC[7] = ((vt & 0x100) >> 8) |
+		      ((vd & 0x100) >> 7) |
+		      ((vs & 0x100) >> 6) |
+		      ((vd & 0x100) >> 5) |
+		      0x10                |
+		      ((vt & 0x200) >> 4) |
+		      ((vd & 0x200) >> 3) |
+		      ((vs & 0x200) >> 2);
+	hw->CRTC[8] = 0x00;
+	hw->CRTC[9] = ((vd & 0x200) >> 4) | 0x40;
+	if (text)
+		hw->CRTC[9] |= fontheight(p) - 1;
+	if (m->dblscan && !m->interlaced)
+		hw->CRTC[9] |= 0x80;
+	for (i = 10; i < 16; i++)
+		hw->CRTC[i] = 0x00;
+	hw->CRTC[16] = vs /* & 0xFF */;
+	hw->CRTC[17] = (ve & 0x0F) | 0x20;
+	hw->CRTC[18] = vd /* & 0xFF */;
+	hw->CRTC[19] = wd /* & 0xFF */;
+	hw->CRTC[20] = 0x00;
+	hw->CRTC[21] = vd /* & 0xFF */;
+	hw->CRTC[22] = (vt + 1) /* & 0xFF */;
+	if (text) {
+		if (ACCESS_FBINFO(devflags.textmode) == 1)
+			hw->CRTC[23] = 0xC3;
+		else
+			hw->CRTC[23] = 0xA3;
+		if (ACCESS_FBINFO(devflags.textmode) == 4)
+			hw->CRTC[20] = 0x5F;
+		else
+			hw->CRTC[20] = 0x1F;
+	} else
+		hw->CRTC[23] = 0xC3;
+	hw->CRTC[24] = 0xFF;
+	return 0;
+};
+
+void matroxfb_vgaHWrestore(WPMINFO struct matrox_hw_state* hw, struct matrox_hw_state* oldhw) {
+	int i;
+	CRITFLAGS
+
+	DBG("vgaHWrestore")
+
+	dprintk(KERN_INFO "MiscOutReg: %02X\n", hw->MiscOutReg);
+	dprintk(KERN_INFO "SEQ regs:   ");
+	for (i = 0; i < 5; i++)
+		dprintk("%02X:", hw->SEQ[i]);
+	dprintk("\n");
+	dprintk(KERN_INFO "GDC regs:   ");
+	for (i = 0; i < 9; i++)
+		dprintk("%02X:", hw->GCTL[i]);
+	dprintk("\n");
+	dprintk(KERN_INFO "CRTC regs: ");
+	for (i = 0; i < 25; i++)
+		dprintk("%02X:", hw->CRTC[i]);
+	dprintk("\n");
+	dprintk(KERN_INFO "ATTR regs: ");
+	for (i = 0; i < 21; i++)
+		dprintk("%02X:", hw->ATTR[i]);
+	dprintk("\n");
+
+	CRITBEGIN
+
+	mga_inb(M_ATTR_RESET);
+	mga_outb(M_ATTR_INDEX, 0);
+	mga_outb(M_MISC_REG, hw->MiscOutReg);
+	for (i = 1; i < 5; i++)
+		mga_setr(M_SEQ_INDEX, i, hw->SEQ[i]);
+	mga_setr(M_CRTC_INDEX, 17, hw->CRTC[17] & 0x7F);
+	for (i = 0; i < 25; i++)
+		mga_setr(M_CRTC_INDEX, i, hw->CRTC[i]);
+	for (i = 0; i < 9; i++)
+		mga_setr(M_GRAPHICS_INDEX, i, hw->GCTL[i]);
+	for (i = 0; i < 21; i++) {
+		mga_inb(M_ATTR_RESET);
+		mga_outb(M_ATTR_INDEX, i);
+		mga_outb(M_ATTR_INDEX, hw->ATTR[i]);
+	}
+	mga_outb(M_PALETTE_MASK, 0xFF);
+	mga_outb(M_DAC_REG, 0x00);
+	for (i = 0; i < 768; i++)
+		mga_outb(M_DAC_VAL, hw->DACpal[i]);
+	mga_inb(M_ATTR_RESET);
+	mga_outb(M_ATTR_INDEX, 0x20);
+
+	CRITEND
+}
+
+void matroxfb_fastfont_init(struct matrox_fb_info* minfo){
+	unsigned int size;
+
+	size = ACCESS_FBINFO(fastfont.size);
+	ACCESS_FBINFO(fastfont.size) = 0;
+	if (size) {
+		unsigned int end = ACCESS_FBINFO(video.len_usable);
+
+		if (size < end) {
+			unsigned int start;
+
+			start = (end - size) & PAGE_MASK;
+			if (start >= 0x00100000) {
+				ACCESS_FBINFO(video.len_usable) = start;
+				ACCESS_FBINFO(fastfont.mgabase) = start * 8;
+				ACCESS_FBINFO(fastfont.vbase) = ACCESS_FBINFO(video.vbase);
+				vaddr_add(&ACCESS_FBINFO(fastfont.vbase), start);
+				ACCESS_FBINFO(fastfont.size) = end - start;
+			}
+		}
+	}
+}
+
+#ifndef FNTCHARCNT
+#define FNTCHARCNT(fd)	(((int *)(fd))[-3])
+#endif
+
+int matrox_text_loadfont(WPMINFO struct display* p) {
+	unsigned int fsize;
+	unsigned int width;
+	vaddr_t dst;
+	unsigned int i;
+	u_int8_t* font;
+	CRITFLAGS
+
+	if (!p || !p->fontdata)
+		return 0;
+	width = fontwidth(p);
+	fsize = p->userfont?FNTCHARCNT(p->fontdata):256;
+
+	dst = ACCESS_FBINFO(video.vbase);
+	i = 2;
+	font = (u_int8_t*)p->fontdata;
+
+	CRITBEGIN
+
+	mga_setr(M_SEQ_INDEX, 0x02, 0x04);
+	while (fsize--) {
+		int l;
+
+		for (l = 0; l < fontheight(p); l++) {
+			mga_writeb(dst, i, *font++);
+			if (fontwidth(p) > 8) font++;
+			i += ACCESS_FBINFO(devflags.vgastep);
+		}
+		i += (32 - fontheight(p)) * ACCESS_FBINFO(devflags.vgastep);
+	}
+	mga_setr(M_SEQ_INDEX, 0x02, 0x03);
+
+	CRITEND
+
+	return 1;
+}
+
+int matroxfb_fastfont_tryset(WPMINFO struct display* p) {
+	unsigned int fsize;
+	unsigned int width;
+	CRITFLAGS
+
+	if (!p || !p->fontdata)
+		return 0;
+	width = fontwidth(p);
+	if (width > 32)
+		return 0;
+	fsize = (p->userfont?FNTCHARCNT(p->fontdata):256) * fontheight(p);
+	if (((fsize * width + 31) / 32) * 4 > ACCESS_FBINFO(fastfont.size))
+		return 0;
+
+	CRITBEGIN
+
+	mga_outl(M_OPMODE, M_OPMODE_8BPP);
+	if (width <= 8) {
+		if (width == 8)
+			mga_memcpy_toio(ACCESS_FBINFO(fastfont.vbase), 0, p->fontdata, fsize);
+		else {
+			vaddr_t dst;
+			unsigned int i;
+			u_int8_t* font;
+			u_int32_t mask, valid, reg;
+
+			dst = ACCESS_FBINFO(fastfont.vbase);
+			font = (u_int8_t*)p->fontdata;
+			mask = ~0 << (8 - width);
+			valid = 0;
+			reg = 0;
+			i = 0;
+			while (fsize--) {
+				reg |= (*font++ & mask) << (8 - valid);
+				valid += width;
+				if (valid >= 8) {
+					mga_writeb(dst, i++, reg >> 8);
+					reg = reg << 8;
+					valid -= 8;
+				}
+			}
+			if (valid)
+				mga_writeb(dst, i, reg >> 8);
+		}
+	} else if (width <= 16) {
+		if (width == 16)
+			mga_memcpy_toio(ACCESS_FBINFO(fastfont.vbase), 0, p->fontdata, fsize*2);
+		else {
+			vaddr_t dst;
+			u_int16_t* font;
+			u_int32_t mask, valid, reg;
+			unsigned int i;
+
+			dst = ACCESS_FBINFO(fastfont.vbase);
+			font = (u_int16_t*)p->fontdata;
+			mask = ~0 << (16 - width);
+			valid = 0;
+			reg = 0;
+			i = 0;
+			while (fsize--) {
+				reg |= (ntohs(*font++) & mask) << (16 - valid);
+				valid += width;
+				if (valid >= 16) {
+					mga_writew(dst, i, htons(reg >> 16));
+					i += 2;
+					reg = reg << 16;
+					valid -= 16;
+				}
+			}
+			if (valid)
+				mga_writew(dst, i, htons(reg >> 16));
+		}
+	} else {
+		if (width == 32)
+			mga_memcpy_toio(ACCESS_FBINFO(fastfont.vbase), 0, p->fontdata, fsize*4);
+		else {
+			vaddr_t dst;
+			u_int32_t* font;
+			u_int32_t mask, valid, reg;
+			unsigned int i;
+
+			dst = ACCESS_FBINFO(fastfont.vbase);
+			font = (u_int32_t*)p->fontdata;
+			mask = ~0 << (32 - width);
+			valid = 0;
+			reg = 0;
+			i = 0;
+			while (fsize--) {
+				reg |= (ntohl(*font) & mask) >> valid;
+				valid += width;
+				if (valid >= 32) {
+					mga_writel(dst, i, htonl(reg));
+					i += 4;
+					valid -= 32;
+					if (valid)
+						reg = (ntohl(*font) & mask) << (width - valid);
+					else
+						reg = 0;
+				}
+				font++;
+			}
+			if (valid)
+				mga_writel(dst, i, htonl(reg));
+		}
+	}
+	mga_outl(M_OPMODE, ACCESS_FBINFO(accel.m_opmode));
+
+	CRITEND
+
+	return 1;
+}
+
+EXPORT_SYMBOL(matroxfb_DAC_in);
+EXPORT_SYMBOL(matroxfb_DAC_out);
+EXPORT_SYMBOL(matroxfb_var2my);
+EXPORT_SYMBOL(matroxfb_PLL_calcclock);
+#ifndef CONFIG_FB_MATROX_MULTIHEAD
+struct matrox_fb_info matroxfb_global_mxinfo;
+EXPORT_SYMBOL(matroxfb_global_mxinfo);
+#endif
+EXPORT_SYMBOL(matrox_text_loadfont);	/* for matroxfb_accel */
+EXPORT_SYMBOL(matroxfb_createcursorshape);	/* accel, DAC1064, Ti3026 */
+EXPORT_SYMBOL(matroxfb_fastfont_tryset);	/* accel */
+EXPORT_SYMBOL(matroxfb_fastfont_init);		/* DAC1064, Ti3026 */
+EXPORT_SYMBOL(matroxfb_vgaHWinit);		/* DAC1064, Ti3026 */
+EXPORT_SYMBOL(matroxfb_vgaHWrestore);		/* DAC1064, Ti3026 */
+#ifdef MATROXFB_USE_SPINLOCK
+spinlock_t matroxfb_spinlock = SPIN_LOCK_UNLOCKED;
+EXPORT_SYMBOL(matroxfb_spinlock);
+#endif